Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: (104 commits)
IB/iser: Don't change itt endianness
IB/mlx4: Update module version and release date
IPoIB: Handle case when P_Key is deleted and re-added at same index
IB/iser: Release connection resources on RDMA_CM_EVENT_DEVICE_REMOVAL event
IB/mlx4: Fix incorrect comment
IB/mlx4: Fix race when detaching a QP from a multicast group
IB/ehca: Support all ibv_devinfo values in query_device() and query_port()
RDMA/nes: Free IRQ before killing tasklet
IB/mthca: Update module version and release date
IB/mlx4: Update QP state if query QP succeeds
IB/mthca: Update QP state if query QP succeeds
RDMA/amso1100: Add check for NULL reply_msg in c2_intr()
IB/mlx4: Add support for resizing CQs
IB/mlx4: Add support for modifying CQ moderation parameters
IPoIB: Support modifying IPoIB CQ event moderation
IB/core: Add support for modify CQ
IPoIB: Add basic ethtool support
mlx4_core: Increase max number of QPs to 128K
RDMA/amso1100: Add support for "send with invalidate" work requests
IB/core: Add support for "send with invalidate" work requests
...
diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c
index faa7ce3..a47fe64 100644
--- a/drivers/infiniband/core/cm.c
+++ b/drivers/infiniband/core/cm.c
@@ -467,6 +467,31 @@
return memcmp(src, dst_data->data, IB_CM_COMPARE_SIZE);
}
+/*
+ * Trivial helpers to strip endian annotation and compare; the
+ * endianness doesn't actually matter since we just need a stable
+ * order for the RB tree.
+ */
+static int be32_lt(__be32 a, __be32 b)
+{
+ return (__force u32) a < (__force u32) b;
+}
+
+static int be32_gt(__be32 a, __be32 b)
+{
+ return (__force u32) a > (__force u32) b;
+}
+
+static int be64_lt(__be64 a, __be64 b)
+{
+ return (__force u64) a < (__force u64) b;
+}
+
+static int be64_gt(__be64 a, __be64 b)
+{
+ return (__force u64) a > (__force u64) b;
+}
+
static struct cm_id_private * cm_insert_listen(struct cm_id_private *cm_id_priv)
{
struct rb_node **link = &cm.listen_service_table.rb_node;
@@ -492,9 +517,9 @@
link = &(*link)->rb_left;
else if (cm_id_priv->id.device > cur_cm_id_priv->id.device)
link = &(*link)->rb_right;
- else if (service_id < cur_cm_id_priv->id.service_id)
+ else if (be64_lt(service_id, cur_cm_id_priv->id.service_id))
link = &(*link)->rb_left;
- else if (service_id > cur_cm_id_priv->id.service_id)
+ else if (be64_gt(service_id, cur_cm_id_priv->id.service_id))
link = &(*link)->rb_right;
else if (data_cmp < 0)
link = &(*link)->rb_left;
@@ -527,9 +552,9 @@
node = node->rb_left;
else if (device > cm_id_priv->id.device)
node = node->rb_right;
- else if (service_id < cm_id_priv->id.service_id)
+ else if (be64_lt(service_id, cm_id_priv->id.service_id))
node = node->rb_left;
- else if (service_id > cm_id_priv->id.service_id)
+ else if (be64_gt(service_id, cm_id_priv->id.service_id))
node = node->rb_right;
else if (data_cmp < 0)
node = node->rb_left;
@@ -552,13 +577,13 @@
parent = *link;
cur_timewait_info = rb_entry(parent, struct cm_timewait_info,
remote_id_node);
- if (remote_id < cur_timewait_info->work.remote_id)
+ if (be32_lt(remote_id, cur_timewait_info->work.remote_id))
link = &(*link)->rb_left;
- else if (remote_id > cur_timewait_info->work.remote_id)
+ else if (be32_gt(remote_id, cur_timewait_info->work.remote_id))
link = &(*link)->rb_right;
- else if (remote_ca_guid < cur_timewait_info->remote_ca_guid)
+ else if (be64_lt(remote_ca_guid, cur_timewait_info->remote_ca_guid))
link = &(*link)->rb_left;
- else if (remote_ca_guid > cur_timewait_info->remote_ca_guid)
+ else if (be64_gt(remote_ca_guid, cur_timewait_info->remote_ca_guid))
link = &(*link)->rb_right;
else
return cur_timewait_info;
@@ -578,13 +603,13 @@
while (node) {
timewait_info = rb_entry(node, struct cm_timewait_info,
remote_id_node);
- if (remote_id < timewait_info->work.remote_id)
+ if (be32_lt(remote_id, timewait_info->work.remote_id))
node = node->rb_left;
- else if (remote_id > timewait_info->work.remote_id)
+ else if (be32_gt(remote_id, timewait_info->work.remote_id))
node = node->rb_right;
- else if (remote_ca_guid < timewait_info->remote_ca_guid)
+ else if (be64_lt(remote_ca_guid, timewait_info->remote_ca_guid))
node = node->rb_left;
- else if (remote_ca_guid > timewait_info->remote_ca_guid)
+ else if (be64_gt(remote_ca_guid, timewait_info->remote_ca_guid))
node = node->rb_right;
else
return timewait_info;
@@ -605,13 +630,13 @@
parent = *link;
cur_timewait_info = rb_entry(parent, struct cm_timewait_info,
remote_qp_node);
- if (remote_qpn < cur_timewait_info->remote_qpn)
+ if (be32_lt(remote_qpn, cur_timewait_info->remote_qpn))
link = &(*link)->rb_left;
- else if (remote_qpn > cur_timewait_info->remote_qpn)
+ else if (be32_gt(remote_qpn, cur_timewait_info->remote_qpn))
link = &(*link)->rb_right;
- else if (remote_ca_guid < cur_timewait_info->remote_ca_guid)
+ else if (be64_lt(remote_ca_guid, cur_timewait_info->remote_ca_guid))
link = &(*link)->rb_left;
- else if (remote_ca_guid > cur_timewait_info->remote_ca_guid)
+ else if (be64_gt(remote_ca_guid, cur_timewait_info->remote_ca_guid))
link = &(*link)->rb_right;
else
return cur_timewait_info;
@@ -635,9 +660,9 @@
parent = *link;
cur_cm_id_priv = rb_entry(parent, struct cm_id_private,
sidr_id_node);
- if (remote_id < cur_cm_id_priv->id.remote_id)
+ if (be32_lt(remote_id, cur_cm_id_priv->id.remote_id))
link = &(*link)->rb_left;
- else if (remote_id > cur_cm_id_priv->id.remote_id)
+ else if (be32_gt(remote_id, cur_cm_id_priv->id.remote_id))
link = &(*link)->rb_right;
else {
int cmp;
@@ -2848,7 +2873,7 @@
cm_format_mad_hdr(&sidr_req_msg->hdr, CM_SIDR_REQ_ATTR_ID,
cm_form_tid(cm_id_priv, CM_MSG_SEQUENCE_SIDR));
sidr_req_msg->request_id = cm_id_priv->id.local_id;
- sidr_req_msg->pkey = cpu_to_be16(param->path->pkey);
+ sidr_req_msg->pkey = param->path->pkey;
sidr_req_msg->service_id = param->service_id;
if (param->private_data && param->private_data_len)
diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index d81c156..671f137 100644
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -1289,7 +1289,7 @@
new_cm_id = rdma_create_id(listen_id->id.event_handler,
listen_id->id.context,
RDMA_PS_TCP);
- if (!new_cm_id) {
+ if (IS_ERR(new_cm_id)) {
ret = -ENOMEM;
goto out;
}
diff --git a/drivers/infiniband/core/fmr_pool.c b/drivers/infiniband/core/fmr_pool.c
index 06d502c..1286dc1 100644
--- a/drivers/infiniband/core/fmr_pool.c
+++ b/drivers/infiniband/core/fmr_pool.c
@@ -158,8 +158,7 @@
#endif
}
- list_splice(&pool->dirty_list, &unmap_list);
- INIT_LIST_HEAD(&pool->dirty_list);
+ list_splice_init(&pool->dirty_list, &unmap_list);
pool->dirty_len = 0;
spin_unlock_irq(&pool->pool_lock);
diff --git a/drivers/infiniband/core/ucma.c b/drivers/infiniband/core/ucma.c
index 15937eb..ca4cf3a 100644
--- a/drivers/infiniband/core/ucma.c
+++ b/drivers/infiniband/core/ucma.c
@@ -614,7 +614,7 @@
if (!ctx->cm_id->device)
goto out;
- resp.node_guid = ctx->cm_id->device->node_guid;
+ resp.node_guid = (__force __u64) ctx->cm_id->device->node_guid;
resp.port_num = ctx->cm_id->port_num;
switch (rdma_node_get_transport(ctx->cm_id->device->node_type)) {
case RDMA_TRANSPORT_IB:
diff --git a/drivers/infiniband/core/uverbs.h b/drivers/infiniband/core/uverbs.h
index c75eb6c..2cad8b4 100644
--- a/drivers/infiniband/core/uverbs.h
+++ b/drivers/infiniband/core/uverbs.h
@@ -81,13 +81,13 @@
struct ib_uverbs_event_file {
struct kref ref;
- struct file *file;
struct ib_uverbs_file *uverbs_file;
spinlock_t lock;
- int is_async;
wait_queue_head_t poll_wait;
struct fasync_struct *async_queue;
struct list_head event_list;
+ int is_async;
+ int is_closed;
};
struct ib_uverbs_file {
diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c
index 495c803..2c3bff5 100644
--- a/drivers/infiniband/core/uverbs_cmd.c
+++ b/drivers/infiniband/core/uverbs_cmd.c
@@ -1065,6 +1065,7 @@
attr.srq = srq;
attr.sq_sig_type = cmd.sq_sig_all ? IB_SIGNAL_ALL_WR : IB_SIGNAL_REQ_WR;
attr.qp_type = cmd.qp_type;
+ attr.create_flags = 0;
attr.cap.max_send_wr = cmd.max_send_wr;
attr.cap.max_recv_wr = cmd.max_recv_wr;
@@ -1462,7 +1463,6 @@
next->num_sge = user_wr->num_sge;
next->opcode = user_wr->opcode;
next->send_flags = user_wr->send_flags;
- next->imm_data = (__be32 __force) user_wr->imm_data;
if (is_ud) {
next->wr.ud.ah = idr_read_ah(user_wr->wr.ud.ah,
@@ -1475,14 +1475,24 @@
next->wr.ud.remote_qkey = user_wr->wr.ud.remote_qkey;
} else {
switch (next->opcode) {
- case IB_WR_RDMA_WRITE:
case IB_WR_RDMA_WRITE_WITH_IMM:
+ next->ex.imm_data =
+ (__be32 __force) user_wr->ex.imm_data;
+ case IB_WR_RDMA_WRITE:
case IB_WR_RDMA_READ:
next->wr.rdma.remote_addr =
user_wr->wr.rdma.remote_addr;
next->wr.rdma.rkey =
user_wr->wr.rdma.rkey;
break;
+ case IB_WR_SEND_WITH_IMM:
+ next->ex.imm_data =
+ (__be32 __force) user_wr->ex.imm_data;
+ break;
+ case IB_WR_SEND_WITH_INV:
+ next->ex.invalidate_rkey =
+ user_wr->ex.invalidate_rkey;
+ break;
case IB_WR_ATOMIC_CMP_AND_SWP:
case IB_WR_ATOMIC_FETCH_AND_ADD:
next->wr.atomic.remote_addr =
diff --git a/drivers/infiniband/core/uverbs_main.c b/drivers/infiniband/core/uverbs_main.c
index 7c2ac39..f49f946 100644
--- a/drivers/infiniband/core/uverbs_main.c
+++ b/drivers/infiniband/core/uverbs_main.c
@@ -352,7 +352,7 @@
struct ib_uverbs_event *entry, *tmp;
spin_lock_irq(&file->lock);
- file->file = NULL;
+ file->is_closed = 1;
list_for_each_entry_safe(entry, tmp, &file->event_list, list) {
if (entry->counter)
list_del(&entry->obj_list);
@@ -390,7 +390,7 @@
return;
spin_lock_irqsave(&file->lock, flags);
- if (!file->file) {
+ if (file->is_closed) {
spin_unlock_irqrestore(&file->lock, flags);
return;
}
@@ -423,7 +423,7 @@
unsigned long flags;
spin_lock_irqsave(&file->async_file->lock, flags);
- if (!file->async_file->file) {
+ if (!file->async_file->is_closed) {
spin_unlock_irqrestore(&file->async_file->lock, flags);
return;
}
@@ -509,6 +509,7 @@
ev_file->uverbs_file = uverbs_file;
ev_file->async_queue = NULL;
ev_file->is_async = is_async;
+ ev_file->is_closed = 0;
*fd = get_unused_fd();
if (*fd < 0) {
@@ -516,25 +517,18 @@
goto err;
}
- filp = get_empty_filp();
- if (!filp) {
- ret = -ENFILE;
- goto err_fd;
- }
-
- ev_file->file = filp;
-
/*
* fops_get() can't fail here, because we're coming from a
* system call on a uverbs file, which will already have a
* module reference.
*/
- filp->f_op = fops_get(&uverbs_event_fops);
- filp->f_path.mnt = mntget(uverbs_event_mnt);
- filp->f_path.dentry = dget(uverbs_event_mnt->mnt_root);
- filp->f_mapping = filp->f_path.dentry->d_inode->i_mapping;
- filp->f_flags = O_RDONLY;
- filp->f_mode = FMODE_READ;
+ filp = alloc_file(uverbs_event_mnt, dget(uverbs_event_mnt->mnt_root),
+ FMODE_READ, fops_get(&uverbs_event_fops));
+ if (!filp) {
+ ret = -ENFILE;
+ goto err_fd;
+ }
+
filp->private_data = ev_file;
return filp;
diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c
index 86ed8af..0504208 100644
--- a/drivers/infiniband/core/verbs.c
+++ b/drivers/infiniband/core/verbs.c
@@ -248,7 +248,9 @@
struct ib_srq_attr *srq_attr,
enum ib_srq_attr_mask srq_attr_mask)
{
- return srq->device->modify_srq(srq, srq_attr, srq_attr_mask, NULL);
+ return srq->device->modify_srq ?
+ srq->device->modify_srq(srq, srq_attr, srq_attr_mask, NULL) :
+ -ENOSYS;
}
EXPORT_SYMBOL(ib_modify_srq);
@@ -628,6 +630,13 @@
}
EXPORT_SYMBOL(ib_create_cq);
+int ib_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period)
+{
+ return cq->device->modify_cq ?
+ cq->device->modify_cq(cq, cq_count, cq_period) : -ENOSYS;
+}
+EXPORT_SYMBOL(ib_modify_cq);
+
int ib_destroy_cq(struct ib_cq *cq)
{
if (atomic_read(&cq->usecnt))
@@ -672,6 +681,9 @@
{
struct ib_mr *mr;
+ if (!pd->device->reg_phys_mr)
+ return ERR_PTR(-ENOSYS);
+
mr = pd->device->reg_phys_mr(pd, phys_buf_array, num_phys_buf,
mr_access_flags, iova_start);
diff --git a/drivers/infiniband/hw/amso1100/c2.c b/drivers/infiniband/hw/amso1100/c2.c
index f283a9f..113f3c0 100644
--- a/drivers/infiniband/hw/amso1100/c2.c
+++ b/drivers/infiniband/hw/amso1100/c2.c
@@ -130,10 +130,10 @@
tx_desc->status = 0;
/* Set TXP_HTXD_UNINIT */
- __raw_writeq(cpu_to_be64(0x1122334455667788ULL),
+ __raw_writeq((__force u64) cpu_to_be64(0x1122334455667788ULL),
(void __iomem *) txp_desc + C2_TXP_ADDR);
__raw_writew(0, (void __iomem *) txp_desc + C2_TXP_LEN);
- __raw_writew(cpu_to_be16(TXP_HTXD_UNINIT),
+ __raw_writew((__force u16) cpu_to_be16(TXP_HTXD_UNINIT),
(void __iomem *) txp_desc + C2_TXP_FLAGS);
elem->skb = NULL;
@@ -179,13 +179,13 @@
rx_desc->status = 0;
/* Set RXP_HRXD_UNINIT */
- __raw_writew(cpu_to_be16(RXP_HRXD_OK),
+ __raw_writew((__force u16) cpu_to_be16(RXP_HRXD_OK),
(void __iomem *) rxp_desc + C2_RXP_STATUS);
__raw_writew(0, (void __iomem *) rxp_desc + C2_RXP_COUNT);
__raw_writew(0, (void __iomem *) rxp_desc + C2_RXP_LEN);
- __raw_writeq(cpu_to_be64(0x99aabbccddeeffULL),
+ __raw_writeq((__force u64) cpu_to_be64(0x99aabbccddeeffULL),
(void __iomem *) rxp_desc + C2_RXP_ADDR);
- __raw_writew(cpu_to_be16(RXP_HRXD_UNINIT),
+ __raw_writew((__force u16) cpu_to_be16(RXP_HRXD_UNINIT),
(void __iomem *) rxp_desc + C2_RXP_FLAGS);
elem->skb = NULL;
@@ -239,10 +239,11 @@
rxp_hdr->flags = RXP_HRXD_READY;
__raw_writew(0, elem->hw_desc + C2_RXP_STATUS);
- __raw_writew(cpu_to_be16((u16) maplen - sizeof(*rxp_hdr)),
+ __raw_writew((__force u16) cpu_to_be16((u16) maplen - sizeof(*rxp_hdr)),
elem->hw_desc + C2_RXP_LEN);
- __raw_writeq(cpu_to_be64(mapaddr), elem->hw_desc + C2_RXP_ADDR);
- __raw_writew(cpu_to_be16(RXP_HRXD_READY), elem->hw_desc + C2_RXP_FLAGS);
+ __raw_writeq((__force u64) cpu_to_be64(mapaddr), elem->hw_desc + C2_RXP_ADDR);
+ __raw_writew((__force u16) cpu_to_be16(RXP_HRXD_READY),
+ elem->hw_desc + C2_RXP_FLAGS);
elem->skb = skb;
elem->mapaddr = mapaddr;
@@ -290,9 +291,9 @@
__raw_writew(0, elem->hw_desc + C2_RXP_STATUS);
__raw_writew(0, elem->hw_desc + C2_RXP_COUNT);
__raw_writew(0, elem->hw_desc + C2_RXP_LEN);
- __raw_writeq(cpu_to_be64(0x99aabbccddeeffULL),
+ __raw_writeq((__force u64) cpu_to_be64(0x99aabbccddeeffULL),
elem->hw_desc + C2_RXP_ADDR);
- __raw_writew(cpu_to_be16(RXP_HRXD_UNINIT),
+ __raw_writew((__force u16) cpu_to_be16(RXP_HRXD_UNINIT),
elem->hw_desc + C2_RXP_FLAGS);
if (elem->skb) {
@@ -346,16 +347,16 @@
elem->hw_desc + C2_TXP_LEN);
__raw_writeq(0,
elem->hw_desc + C2_TXP_ADDR);
- __raw_writew(cpu_to_be16(TXP_HTXD_DONE),
+ __raw_writew((__force u16) cpu_to_be16(TXP_HTXD_DONE),
elem->hw_desc + C2_TXP_FLAGS);
c2_port->netstats.tx_dropped++;
break;
} else {
__raw_writew(0,
elem->hw_desc + C2_TXP_LEN);
- __raw_writeq(cpu_to_be64(0x1122334455667788ULL),
+ __raw_writeq((__force u64) cpu_to_be64(0x1122334455667788ULL),
elem->hw_desc + C2_TXP_ADDR);
- __raw_writew(cpu_to_be16(TXP_HTXD_UNINIT),
+ __raw_writew((__force u16) cpu_to_be16(TXP_HTXD_UNINIT),
elem->hw_desc + C2_TXP_FLAGS);
}
@@ -390,7 +391,7 @@
for (elem = tx_ring->to_clean; elem != tx_ring->to_use;
elem = elem->next) {
txp_htxd.flags =
- be16_to_cpu(readw(elem->hw_desc + C2_TXP_FLAGS));
+ be16_to_cpu((__force __be16) readw(elem->hw_desc + C2_TXP_FLAGS));
if (txp_htxd.flags != TXP_HTXD_DONE)
break;
@@ -398,7 +399,7 @@
if (netif_msg_tx_done(c2_port)) {
/* PCI reads are expensive in fast path */
txp_htxd.len =
- be16_to_cpu(readw(elem->hw_desc + C2_TXP_LEN));
+ be16_to_cpu((__force __be16) readw(elem->hw_desc + C2_TXP_LEN));
pr_debug("%s: tx done slot %3Zu status 0x%x len "
"%5u bytes\n",
netdev->name, elem - tx_ring->start,
@@ -448,10 +449,12 @@
/* Write the descriptor to the adapter's rx ring */
__raw_writew(0, elem->hw_desc + C2_RXP_STATUS);
__raw_writew(0, elem->hw_desc + C2_RXP_COUNT);
- __raw_writew(cpu_to_be16((u16) elem->maplen - sizeof(*rxp_hdr)),
+ __raw_writew((__force u16) cpu_to_be16((u16) elem->maplen - sizeof(*rxp_hdr)),
elem->hw_desc + C2_RXP_LEN);
- __raw_writeq(cpu_to_be64(elem->mapaddr), elem->hw_desc + C2_RXP_ADDR);
- __raw_writew(cpu_to_be16(RXP_HRXD_READY), elem->hw_desc + C2_RXP_FLAGS);
+ __raw_writeq((__force u64) cpu_to_be64(elem->mapaddr),
+ elem->hw_desc + C2_RXP_ADDR);
+ __raw_writew((__force u16) cpu_to_be16(RXP_HRXD_READY),
+ elem->hw_desc + C2_RXP_FLAGS);
pr_debug("packet dropped\n");
c2_port->netstats.rx_dropped++;
@@ -653,7 +656,7 @@
i++, elem++) {
rxp_hdr = (struct c2_rxp_hdr *) elem->skb->data;
rxp_hdr->flags = 0;
- __raw_writew(cpu_to_be16(RXP_HRXD_READY),
+ __raw_writew((__force u16) cpu_to_be16(RXP_HRXD_READY),
elem->hw_desc + C2_RXP_FLAGS);
}
@@ -787,9 +790,12 @@
elem->maplen = maplen;
/* Tell HW to xmit */
- __raw_writeq(cpu_to_be64(mapaddr), elem->hw_desc + C2_TXP_ADDR);
- __raw_writew(cpu_to_be16(maplen), elem->hw_desc + C2_TXP_LEN);
- __raw_writew(cpu_to_be16(TXP_HTXD_READY), elem->hw_desc + C2_TXP_FLAGS);
+ __raw_writeq((__force u64) cpu_to_be64(mapaddr),
+ elem->hw_desc + C2_TXP_ADDR);
+ __raw_writew((__force u16) cpu_to_be16(maplen),
+ elem->hw_desc + C2_TXP_LEN);
+ __raw_writew((__force u16) cpu_to_be16(TXP_HTXD_READY),
+ elem->hw_desc + C2_TXP_FLAGS);
c2_port->netstats.tx_packets++;
c2_port->netstats.tx_bytes += maplen;
@@ -810,11 +816,11 @@
elem->maplen = maplen;
/* Tell HW to xmit */
- __raw_writeq(cpu_to_be64(mapaddr),
+ __raw_writeq((__force u64) cpu_to_be64(mapaddr),
elem->hw_desc + C2_TXP_ADDR);
- __raw_writew(cpu_to_be16(maplen),
+ __raw_writew((__force u16) cpu_to_be16(maplen),
elem->hw_desc + C2_TXP_LEN);
- __raw_writew(cpu_to_be16(TXP_HTXD_READY),
+ __raw_writew((__force u16) cpu_to_be16(TXP_HTXD_READY),
elem->hw_desc + C2_TXP_FLAGS);
c2_port->netstats.tx_packets++;
@@ -1005,7 +1011,7 @@
/* Remap the adapter PCI registers in BAR4 */
mmio_regs = ioremap_nocache(reg4_start + C2_PCI_REGS_OFFSET,
sizeof(struct c2_adapter_pci_regs));
- if (mmio_regs == 0UL) {
+ if (!mmio_regs) {
printk(KERN_ERR PFX
"Unable to remap adapter PCI registers in BAR4\n");
ret = -EIO;
@@ -1029,10 +1035,10 @@
}
/* Validate the adapter version */
- if (be32_to_cpu(readl(mmio_regs + C2_REGS_VERS)) != C2_VERSION) {
+ if (be32_to_cpu((__force __be32) readl(mmio_regs + C2_REGS_VERS)) != C2_VERSION) {
printk(KERN_ERR PFX "Version mismatch "
"[fw=%u, c2=%u], Adapter not claimed\n",
- be32_to_cpu(readl(mmio_regs + C2_REGS_VERS)),
+ be32_to_cpu((__force __be32) readl(mmio_regs + C2_REGS_VERS)),
C2_VERSION);
ret = -EINVAL;
iounmap(mmio_regs);
@@ -1040,12 +1046,12 @@
}
/* Validate the adapter IVN */
- if (be32_to_cpu(readl(mmio_regs + C2_REGS_IVN)) != C2_IVN) {
+ if (be32_to_cpu((__force __be32) readl(mmio_regs + C2_REGS_IVN)) != C2_IVN) {
printk(KERN_ERR PFX "Downlevel FIrmware level. You should be using "
"the OpenIB device support kit. "
"[fw=0x%x, c2=0x%x], Adapter not claimed\n",
- be32_to_cpu(readl(mmio_regs + C2_REGS_IVN)),
- C2_IVN);
+ be32_to_cpu((__force __be32) readl(mmio_regs + C2_REGS_IVN)),
+ C2_IVN);
ret = -EINVAL;
iounmap(mmio_regs);
goto bail2;
@@ -1068,7 +1074,7 @@
/* Get the last RX index */
c2dev->cur_rx =
- (be32_to_cpu(readl(mmio_regs + C2_REGS_HRX_CUR)) -
+ (be32_to_cpu((__force __be32) readl(mmio_regs + C2_REGS_HRX_CUR)) -
0xffffc000) / sizeof(struct c2_rxp_desc);
/* Request an interrupt line for the driver */
@@ -1090,7 +1096,7 @@
}
/* Save off the actual size prior to unmapping mmio_regs */
- kva_map_size = be32_to_cpu(readl(mmio_regs + C2_REGS_PCI_WINSIZE));
+ kva_map_size = be32_to_cpu((__force __be32) readl(mmio_regs + C2_REGS_PCI_WINSIZE));
/* Unmap the adapter PCI registers in BAR4 */
iounmap(mmio_regs);
@@ -1109,7 +1115,7 @@
/* Remap the adapter HRXDQ PA space to kernel VA space */
c2dev->mmio_rxp_ring = ioremap_nocache(reg4_start + C2_RXP_HRXDQ_OFFSET,
C2_RXP_HRXDQ_SIZE);
- if (c2dev->mmio_rxp_ring == 0UL) {
+ if (!c2dev->mmio_rxp_ring) {
printk(KERN_ERR PFX "Unable to remap MMIO HRXDQ region\n");
ret = -EIO;
goto bail6;
@@ -1118,7 +1124,7 @@
/* Remap the adapter HTXDQ PA space to kernel VA space */
c2dev->mmio_txp_ring = ioremap_nocache(reg4_start + C2_TXP_HTXDQ_OFFSET,
C2_TXP_HTXDQ_SIZE);
- if (c2dev->mmio_txp_ring == 0UL) {
+ if (!c2dev->mmio_txp_ring) {
printk(KERN_ERR PFX "Unable to remap MMIO HTXDQ region\n");
ret = -EIO;
goto bail7;
@@ -1129,7 +1135,7 @@
/* Remap the PCI registers in adapter BAR0 to kernel VA space */
c2dev->regs = ioremap_nocache(reg0_start, reg0_len);
- if (c2dev->regs == 0UL) {
+ if (!c2dev->regs) {
printk(KERN_ERR PFX "Unable to remap BAR0\n");
ret = -EIO;
goto bail8;
@@ -1139,7 +1145,7 @@
c2dev->pa = reg4_start + C2_PCI_REGS_OFFSET;
c2dev->kva = ioremap_nocache(reg4_start + C2_PCI_REGS_OFFSET,
kva_map_size);
- if (c2dev->kva == 0UL) {
+ if (!c2dev->kva) {
printk(KERN_ERR PFX "Unable to remap BAR4\n");
ret = -EIO;
goto bail9;
diff --git a/drivers/infiniband/hw/amso1100/c2.h b/drivers/infiniband/hw/amso1100/c2.h
index fa58200..ed38ab8 100644
--- a/drivers/infiniband/hw/amso1100/c2.h
+++ b/drivers/infiniband/hw/amso1100/c2.h
@@ -346,7 +346,7 @@
// spinlock_t aeq_lock;
// spinlock_t rnic_lock;
- u16 *hint_count;
+ __be16 *hint_count;
dma_addr_t hint_count_dma;
u16 hints_read;
@@ -425,10 +425,10 @@
#endif
#define C2_SET_CUR_RX(c2dev, cur_rx) \
- __raw_writel(cpu_to_be32(cur_rx), c2dev->mmio_txp_ring + 4092)
+ __raw_writel((__force u32) cpu_to_be32(cur_rx), c2dev->mmio_txp_ring + 4092)
#define C2_GET_CUR_RX(c2dev) \
- be32_to_cpu(readl(c2dev->mmio_txp_ring + 4092))
+ be32_to_cpu((__force __be32) readl(c2dev->mmio_txp_ring + 4092))
static inline struct c2_dev *to_c2dev(struct ib_device *ibdev)
{
@@ -485,8 +485,8 @@
extern int c2_rnic_init(struct c2_dev *c2dev);
extern void c2_rnic_term(struct c2_dev *c2dev);
extern void c2_rnic_interrupt(struct c2_dev *c2dev);
-extern int c2_del_addr(struct c2_dev *c2dev, u32 inaddr, u32 inmask);
-extern int c2_add_addr(struct c2_dev *c2dev, u32 inaddr, u32 inmask);
+extern int c2_del_addr(struct c2_dev *c2dev, __be32 inaddr, __be32 inmask);
+extern int c2_add_addr(struct c2_dev *c2dev, __be32 inaddr, __be32 inmask);
/* QPs */
extern int c2_alloc_qp(struct c2_dev *c2dev, struct c2_pd *pd,
@@ -545,7 +545,7 @@
extern int c2_init_mqsp_pool(struct c2_dev *c2dev, gfp_t gfp_mask,
struct sp_chunk **root);
extern void c2_free_mqsp_pool(struct c2_dev *c2dev, struct sp_chunk *root);
-extern u16 *c2_alloc_mqsp(struct c2_dev *c2dev, struct sp_chunk *head,
- dma_addr_t *dma_addr, gfp_t gfp_mask);
-extern void c2_free_mqsp(u16 * mqsp);
+extern __be16 *c2_alloc_mqsp(struct c2_dev *c2dev, struct sp_chunk *head,
+ dma_addr_t *dma_addr, gfp_t gfp_mask);
+extern void c2_free_mqsp(__be16* mqsp);
#endif
diff --git a/drivers/infiniband/hw/amso1100/c2_ae.c b/drivers/infiniband/hw/amso1100/c2_ae.c
index a31439b..62af742 100644
--- a/drivers/infiniband/hw/amso1100/c2_ae.c
+++ b/drivers/infiniband/hw/amso1100/c2_ae.c
@@ -61,7 +61,7 @@
default:
printk(KERN_ERR PFX
"%s - Unable to convert CM status: %d\n",
- __FUNCTION__, c2_status);
+ __func__, c2_status);
return -EIO;
}
}
@@ -193,9 +193,9 @@
pr_debug("%s: event = %s, user_context=%llx, "
"resource_type=%x, "
"resource=%x, qp_state=%s\n",
- __FUNCTION__,
+ __func__,
to_event_str(event_id),
- (unsigned long long) be64_to_cpu(wr->ae.ae_generic.user_context),
+ (unsigned long long) wr->ae.ae_generic.user_context,
be32_to_cpu(wr->ae.ae_generic.resource_type),
be32_to_cpu(wr->ae.ae_generic.resource),
to_qp_state_str(be32_to_cpu(wr->ae.ae_generic.qp_state)));
@@ -259,7 +259,7 @@
BUG_ON(1);
pr_debug("%s:%d Unexpected event_id=%d on QP=%p, "
"CM_ID=%p\n",
- __FUNCTION__, __LINE__,
+ __func__, __LINE__,
event_id, qp, cm_id);
break;
}
@@ -276,7 +276,7 @@
pr_debug("C2_RES_IND_EP event_id=%d\n", event_id);
if (event_id != CCAE_CONNECTION_REQUEST) {
pr_debug("%s: Invalid event_id: %d\n",
- __FUNCTION__, event_id);
+ __func__, event_id);
break;
}
cm_event.event = IW_CM_EVENT_CONNECT_REQUEST;
diff --git a/drivers/infiniband/hw/amso1100/c2_alloc.c b/drivers/infiniband/hw/amso1100/c2_alloc.c
index 0315f99..e911016 100644
--- a/drivers/infiniband/hw/amso1100/c2_alloc.c
+++ b/drivers/infiniband/hw/amso1100/c2_alloc.c
@@ -87,8 +87,8 @@
}
}
-u16 *c2_alloc_mqsp(struct c2_dev *c2dev, struct sp_chunk *head,
- dma_addr_t *dma_addr, gfp_t gfp_mask)
+__be16 *c2_alloc_mqsp(struct c2_dev *c2dev, struct sp_chunk *head,
+ dma_addr_t *dma_addr, gfp_t gfp_mask)
{
u16 mqsp;
@@ -113,14 +113,14 @@
*dma_addr = head->dma_addr +
((unsigned long) &(head->shared_ptr[mqsp]) -
(unsigned long) head);
- pr_debug("%s addr %p dma_addr %llx\n", __FUNCTION__,
+ pr_debug("%s addr %p dma_addr %llx\n", __func__,
&(head->shared_ptr[mqsp]), (unsigned long long) *dma_addr);
- return &(head->shared_ptr[mqsp]);
+ return (__force __be16 *) &(head->shared_ptr[mqsp]);
}
return NULL;
}
-void c2_free_mqsp(u16 * mqsp)
+void c2_free_mqsp(__be16 *mqsp)
{
struct sp_chunk *head;
u16 idx;
@@ -129,7 +129,7 @@
head = (struct sp_chunk *) ((unsigned long) mqsp & PAGE_MASK);
/* Link head to new mqsp */
- *mqsp = head->head;
+ *mqsp = (__force __be16) head->head;
/* Compute the shared_ptr index */
idx = ((unsigned long) mqsp & ~PAGE_MASK) >> 1;
diff --git a/drivers/infiniband/hw/amso1100/c2_cq.c b/drivers/infiniband/hw/amso1100/c2_cq.c
index d2b3366..bb17cce 100644
--- a/drivers/infiniband/hw/amso1100/c2_cq.c
+++ b/drivers/infiniband/hw/amso1100/c2_cq.c
@@ -422,8 +422,8 @@
goto bail1;
reply = (struct c2wr_cq_destroy_rep *) (unsigned long) (vq_req->reply_msg);
-
- vq_repbuf_free(c2dev, reply);
+ if (reply)
+ vq_repbuf_free(c2dev, reply);
bail1:
vq_req_free(c2dev, vq_req);
bail0:
diff --git a/drivers/infiniband/hw/amso1100/c2_intr.c b/drivers/infiniband/hw/amso1100/c2_intr.c
index 0d0bc33..3b50954 100644
--- a/drivers/infiniband/hw/amso1100/c2_intr.c
+++ b/drivers/infiniband/hw/amso1100/c2_intr.c
@@ -174,7 +174,11 @@
return;
}
- err = c2_errno(reply_msg);
+ if (reply_msg)
+ err = c2_errno(reply_msg);
+ else
+ err = -ENOMEM;
+
if (!err) switch (req->event) {
case IW_CM_EVENT_ESTABLISHED:
c2_set_qp_state(req->qp,
diff --git a/drivers/infiniband/hw/amso1100/c2_mm.c b/drivers/infiniband/hw/amso1100/c2_mm.c
index 1e4f464..b506fe2 100644
--- a/drivers/infiniband/hw/amso1100/c2_mm.c
+++ b/drivers/infiniband/hw/amso1100/c2_mm.c
@@ -45,7 +45,7 @@
* Reply buffer _is_ freed by this function.
*/
static int
-send_pbl_messages(struct c2_dev *c2dev, u32 stag_index,
+send_pbl_messages(struct c2_dev *c2dev, __be32 stag_index,
unsigned long va, u32 pbl_depth,
struct c2_vq_req *vq_req, int pbl_type)
{
diff --git a/drivers/infiniband/hw/amso1100/c2_mq.c b/drivers/infiniband/hw/amso1100/c2_mq.c
index b88a755..0cddc49 100644
--- a/drivers/infiniband/hw/amso1100/c2_mq.c
+++ b/drivers/infiniband/hw/amso1100/c2_mq.c
@@ -64,7 +64,7 @@
q->priv = (q->priv + 1) % q->q_size;
q->hint_count++;
/* Update peer's offset. */
- __raw_writew(cpu_to_be16(q->priv), &q->peer->shared);
+ __raw_writew((__force u16) cpu_to_be16(q->priv), &q->peer->shared);
}
}
@@ -105,7 +105,7 @@
#endif
q->priv = (q->priv + 1) % q->q_size;
/* Update peer's offset. */
- __raw_writew(cpu_to_be16(q->priv), &q->peer->shared);
+ __raw_writew((__force u16) cpu_to_be16(q->priv), &q->peer->shared);
}
}
diff --git a/drivers/infiniband/hw/amso1100/c2_mq.h b/drivers/infiniband/hw/amso1100/c2_mq.h
index 9185bbb..acede00 100644
--- a/drivers/infiniband/hw/amso1100/c2_mq.h
+++ b/drivers/infiniband/hw/amso1100/c2_mq.h
@@ -75,7 +75,7 @@
u16 hint_count;
u16 priv;
struct c2_mq_shared __iomem *peer;
- u16 *shared;
+ __be16 *shared;
dma_addr_t shared_dma;
u32 q_size;
u32 msg_size;
diff --git a/drivers/infiniband/hw/amso1100/c2_provider.c b/drivers/infiniband/hw/amso1100/c2_provider.c
index 7a6cece..e10d27a 100644
--- a/drivers/infiniband/hw/amso1100/c2_provider.c
+++ b/drivers/infiniband/hw/amso1100/c2_provider.c
@@ -67,7 +67,7 @@
{
struct c2_dev *c2dev = to_c2dev(ibdev);
- pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
+ pr_debug("%s:%u\n", __func__, __LINE__);
*props = c2dev->props;
return 0;
@@ -76,7 +76,7 @@
static int c2_query_port(struct ib_device *ibdev,
u8 port, struct ib_port_attr *props)
{
- pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
+ pr_debug("%s:%u\n", __func__, __LINE__);
props->max_mtu = IB_MTU_4096;
props->lid = 0;
@@ -102,14 +102,14 @@
u8 port, int port_modify_mask,
struct ib_port_modify *props)
{
- pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
+ pr_debug("%s:%u\n", __func__, __LINE__);
return 0;
}
static int c2_query_pkey(struct ib_device *ibdev,
u8 port, u16 index, u16 * pkey)
{
- pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
+ pr_debug("%s:%u\n", __func__, __LINE__);
*pkey = 0;
return 0;
}
@@ -119,7 +119,7 @@
{
struct c2_dev *c2dev = to_c2dev(ibdev);
- pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
+ pr_debug("%s:%u\n", __func__, __LINE__);
memset(&(gid->raw[0]), 0, sizeof(gid->raw));
memcpy(&(gid->raw[0]), c2dev->pseudo_netdev->dev_addr, 6);
@@ -134,7 +134,7 @@
{
struct c2_ucontext *context;
- pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
+ pr_debug("%s:%u\n", __func__, __LINE__);
context = kmalloc(sizeof(*context), GFP_KERNEL);
if (!context)
return ERR_PTR(-ENOMEM);
@@ -144,14 +144,14 @@
static int c2_dealloc_ucontext(struct ib_ucontext *context)
{
- pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
+ pr_debug("%s:%u\n", __func__, __LINE__);
kfree(context);
return 0;
}
static int c2_mmap_uar(struct ib_ucontext *context, struct vm_area_struct *vma)
{
- pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
+ pr_debug("%s:%u\n", __func__, __LINE__);
return -ENOSYS;
}
@@ -162,7 +162,7 @@
struct c2_pd *pd;
int err;
- pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
+ pr_debug("%s:%u\n", __func__, __LINE__);
pd = kmalloc(sizeof(*pd), GFP_KERNEL);
if (!pd)
@@ -187,7 +187,7 @@
static int c2_dealloc_pd(struct ib_pd *pd)
{
- pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
+ pr_debug("%s:%u\n", __func__, __LINE__);
c2_pd_free(to_c2dev(pd->device), to_c2pd(pd));
kfree(pd);
@@ -196,13 +196,13 @@
static struct ib_ah *c2_ah_create(struct ib_pd *pd, struct ib_ah_attr *ah_attr)
{
- pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
+ pr_debug("%s:%u\n", __func__, __LINE__);
return ERR_PTR(-ENOSYS);
}
static int c2_ah_destroy(struct ib_ah *ah)
{
- pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
+ pr_debug("%s:%u\n", __func__, __LINE__);
return -ENOSYS;
}
@@ -230,7 +230,7 @@
qp = c2_find_qpn(c2dev, qpn);
pr_debug("%s Returning QP=%p for QPN=%d, device=%p, refcount=%d\n",
- __FUNCTION__, qp, qpn, device,
+ __func__, qp, qpn, device,
(qp?atomic_read(&qp->refcount):0));
return (qp?&qp->ibqp:NULL);
@@ -243,13 +243,16 @@
struct c2_qp *qp;
int err;
- pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
+ pr_debug("%s:%u\n", __func__, __LINE__);
+
+ if (init_attr->create_flags)
+ return ERR_PTR(-EINVAL);
switch (init_attr->qp_type) {
case IB_QPT_RC:
qp = kzalloc(sizeof(*qp), GFP_KERNEL);
if (!qp) {
- pr_debug("%s: Unable to allocate QP\n", __FUNCTION__);
+ pr_debug("%s: Unable to allocate QP\n", __func__);
return ERR_PTR(-ENOMEM);
}
spin_lock_init(&qp->lock);
@@ -266,7 +269,7 @@
break;
default:
- pr_debug("%s: Invalid QP type: %d\n", __FUNCTION__,
+ pr_debug("%s: Invalid QP type: %d\n", __func__,
init_attr->qp_type);
return ERR_PTR(-EINVAL);
break;
@@ -285,7 +288,7 @@
struct c2_qp *qp = to_c2qp(ib_qp);
pr_debug("%s:%u qp=%p,qp->state=%d\n",
- __FUNCTION__, __LINE__,ib_qp,qp->state);
+ __func__, __LINE__, ib_qp, qp->state);
c2_free_qp(to_c2dev(ib_qp->device), qp);
kfree(qp);
return 0;
@@ -300,13 +303,13 @@
cq = kmalloc(sizeof(*cq), GFP_KERNEL);
if (!cq) {
- pr_debug("%s: Unable to allocate CQ\n", __FUNCTION__);
+ pr_debug("%s: Unable to allocate CQ\n", __func__);
return ERR_PTR(-ENOMEM);
}
err = c2_init_cq(to_c2dev(ibdev), entries, NULL, cq);
if (err) {
- pr_debug("%s: error initializing CQ\n", __FUNCTION__);
+ pr_debug("%s: error initializing CQ\n", __func__);
kfree(cq);
return ERR_PTR(err);
}
@@ -318,7 +321,7 @@
{
struct c2_cq *cq = to_c2cq(ib_cq);
- pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
+ pr_debug("%s:%u\n", __func__, __LINE__);
c2_free_cq(to_c2dev(ib_cq->device), cq);
kfree(cq);
@@ -400,7 +403,7 @@
mr->umem = NULL;
pr_debug("%s - page shift %d, pbl_depth %d, total_len %u, "
"*iova_start %llx, first pa %llx, last pa %llx\n",
- __FUNCTION__, page_shift, pbl_depth, total_len,
+ __func__, page_shift, pbl_depth, total_len,
(unsigned long long) *iova_start,
(unsigned long long) page_list[0],
(unsigned long long) page_list[pbl_depth-1]);
@@ -422,7 +425,7 @@
struct ib_phys_buf bl;
u64 kva = 0;
- pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
+ pr_debug("%s:%u\n", __func__, __LINE__);
/* AMSO1100 limit */
bl.size = 0xffffffff;
@@ -442,7 +445,7 @@
struct c2_pd *c2pd = to_c2pd(pd);
struct c2_mr *c2mr;
- pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
+ pr_debug("%s:%u\n", __func__, __LINE__);
c2mr = kmalloc(sizeof(*c2mr), GFP_KERNEL);
if (!c2mr)
@@ -506,7 +509,7 @@
struct c2_mr *mr = to_c2mr(ib_mr);
int err;
- pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
+ pr_debug("%s:%u\n", __func__, __LINE__);
err = c2_stag_dealloc(to_c2dev(ib_mr->device), ib_mr->lkey);
if (err)
@@ -523,14 +526,14 @@
static ssize_t show_rev(struct class_device *cdev, char *buf)
{
struct c2_dev *dev = container_of(cdev, struct c2_dev, ibdev.class_dev);
- pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
+ pr_debug("%s:%u\n", __func__, __LINE__);
return sprintf(buf, "%x\n", dev->props.hw_ver);
}
static ssize_t show_fw_ver(struct class_device *cdev, char *buf)
{
struct c2_dev *dev = container_of(cdev, struct c2_dev, ibdev.class_dev);
- pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
+ pr_debug("%s:%u\n", __func__, __LINE__);
return sprintf(buf, "%x.%x.%x\n",
(int) (dev->props.fw_ver >> 32),
(int) (dev->props.fw_ver >> 16) & 0xffff,
@@ -539,13 +542,13 @@
static ssize_t show_hca(struct class_device *cdev, char *buf)
{
- pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
+ pr_debug("%s:%u\n", __func__, __LINE__);
return sprintf(buf, "AMSO1100\n");
}
static ssize_t show_board(struct class_device *cdev, char *buf)
{
- pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
+ pr_debug("%s:%u\n", __func__, __LINE__);
return sprintf(buf, "%.*s\n", 32, "AMSO1100 Board ID");
}
@@ -575,13 +578,13 @@
static int c2_multicast_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
{
- pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
+ pr_debug("%s:%u\n", __func__, __LINE__);
return -ENOSYS;
}
static int c2_multicast_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
{
- pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
+ pr_debug("%s:%u\n", __func__, __LINE__);
return -ENOSYS;
}
@@ -592,13 +595,13 @@
struct ib_grh *in_grh,
struct ib_mad *in_mad, struct ib_mad *out_mad)
{
- pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
+ pr_debug("%s:%u\n", __func__, __LINE__);
return -ENOSYS;
}
static int c2_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *iw_param)
{
- pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
+ pr_debug("%s:%u\n", __func__, __LINE__);
/* Request a connection */
return c2_llp_connect(cm_id, iw_param);
@@ -606,7 +609,7 @@
static int c2_accept(struct iw_cm_id *cm_id, struct iw_cm_conn_param *iw_param)
{
- pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
+ pr_debug("%s:%u\n", __func__, __LINE__);
/* Accept the new connection */
return c2_llp_accept(cm_id, iw_param);
@@ -616,7 +619,7 @@
{
int err;
- pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
+ pr_debug("%s:%u\n", __func__, __LINE__);
err = c2_llp_reject(cm_id, pdata, pdata_len);
return err;
@@ -626,10 +629,10 @@
{
int err;
- pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
+ pr_debug("%s:%u\n", __func__, __LINE__);
err = c2_llp_service_create(cm_id, backlog);
pr_debug("%s:%u err=%d\n",
- __FUNCTION__, __LINE__,
+ __func__, __LINE__,
err);
return err;
}
@@ -637,7 +640,7 @@
static int c2_service_destroy(struct iw_cm_id *cm_id)
{
int err;
- pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
+ pr_debug("%s:%u\n", __func__, __LINE__);
err = c2_llp_service_destroy(cm_id);
@@ -743,7 +746,7 @@
netdev = alloc_netdev(sizeof(*netdev), name, setup);
if (!netdev) {
printk(KERN_ERR PFX "%s - etherdev alloc failed",
- __FUNCTION__);
+ __func__);
return NULL;
}
@@ -780,7 +783,7 @@
if (ret)
goto out2;
- pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
+ pr_debug("%s:%u\n", __func__, __LINE__);
strlcpy(dev->ibdev.name, "amso%d", IB_DEVICE_NAME_MAX);
dev->ibdev.owner = THIS_MODULE;
dev->ibdev.uverbs_cmd_mask =
@@ -873,13 +876,13 @@
out2:
free_netdev(dev->pseudo_netdev);
out3:
- pr_debug("%s:%u ret=%d\n", __FUNCTION__, __LINE__, ret);
+ pr_debug("%s:%u ret=%d\n", __func__, __LINE__, ret);
return ret;
}
void c2_unregister_device(struct c2_dev *dev)
{
- pr_debug("%s:%u\n", __FUNCTION__, __LINE__);
+ pr_debug("%s:%u\n", __func__, __LINE__);
unregister_netdev(dev->pseudo_netdev);
free_netdev(dev->pseudo_netdev);
ib_unregister_device(&dev->ibdev);
diff --git a/drivers/infiniband/hw/amso1100/c2_qp.c b/drivers/infiniband/hw/amso1100/c2_qp.c
index 01d0786..a6d8944 100644
--- a/drivers/infiniband/hw/amso1100/c2_qp.c
+++ b/drivers/infiniband/hw/amso1100/c2_qp.c
@@ -121,7 +121,7 @@
int new_state = to_ib_state(c2_state);
pr_debug("%s: qp[%p] state modify %s --> %s\n",
- __FUNCTION__,
+ __func__,
qp,
to_ib_state_str(qp->state),
to_ib_state_str(new_state));
@@ -141,7 +141,7 @@
int err;
pr_debug("%s:%d qp=%p, %s --> %s\n",
- __FUNCTION__, __LINE__,
+ __func__, __LINE__,
qp,
to_ib_state_str(qp->state),
to_ib_state_str(attr->qp_state));
@@ -224,7 +224,7 @@
qp->state = next_state;
#ifdef DEBUG
else
- pr_debug("%s: c2_errno=%d\n", __FUNCTION__, err);
+ pr_debug("%s: c2_errno=%d\n", __func__, err);
#endif
/*
* If we're going to error and generating the event here, then
@@ -243,7 +243,7 @@
vq_req_free(c2dev, vq_req);
pr_debug("%s:%d qp=%p, cur_state=%s\n",
- __FUNCTION__, __LINE__,
+ __func__, __LINE__,
qp,
to_ib_state_str(qp->state));
return err;
@@ -811,16 +811,24 @@
switch (ib_wr->opcode) {
case IB_WR_SEND:
- if (ib_wr->send_flags & IB_SEND_SOLICITED) {
- c2_wr_set_id(&wr, C2_WR_TYPE_SEND_SE);
- msg_size = sizeof(struct c2wr_send_req);
+ case IB_WR_SEND_WITH_INV:
+ if (ib_wr->opcode == IB_WR_SEND) {
+ if (ib_wr->send_flags & IB_SEND_SOLICITED)
+ c2_wr_set_id(&wr, C2_WR_TYPE_SEND_SE);
+ else
+ c2_wr_set_id(&wr, C2_WR_TYPE_SEND);
+ wr.sqwr.send.remote_stag = 0;
} else {
- c2_wr_set_id(&wr, C2_WR_TYPE_SEND);
- msg_size = sizeof(struct c2wr_send_req);
+ if (ib_wr->send_flags & IB_SEND_SOLICITED)
+ c2_wr_set_id(&wr, C2_WR_TYPE_SEND_SE_INV);
+ else
+ c2_wr_set_id(&wr, C2_WR_TYPE_SEND_INV);
+ wr.sqwr.send.remote_stag =
+ cpu_to_be32(ib_wr->ex.invalidate_rkey);
}
- wr.sqwr.send.remote_stag = 0;
- msg_size += sizeof(struct c2_data_addr) * ib_wr->num_sge;
+ msg_size = sizeof(struct c2wr_send_req) +
+ sizeof(struct c2_data_addr) * ib_wr->num_sge;
if (ib_wr->num_sge > qp->send_sgl_depth) {
err = -EINVAL;
break;
diff --git a/drivers/infiniband/hw/amso1100/c2_rnic.c b/drivers/infiniband/hw/amso1100/c2_rnic.c
index 1687c51..9a054c6 100644
--- a/drivers/infiniband/hw/amso1100/c2_rnic.c
+++ b/drivers/infiniband/hw/amso1100/c2_rnic.c
@@ -208,7 +208,7 @@
/*
* Add an IP address to the RNIC interface
*/
-int c2_add_addr(struct c2_dev *c2dev, u32 inaddr, u32 inmask)
+int c2_add_addr(struct c2_dev *c2dev, __be32 inaddr, __be32 inmask)
{
struct c2_vq_req *vq_req;
struct c2wr_rnic_setconfig_req *wr;
@@ -270,7 +270,7 @@
/*
* Delete an IP address from the RNIC interface
*/
-int c2_del_addr(struct c2_dev *c2dev, u32 inaddr, u32 inmask)
+int c2_del_addr(struct c2_dev *c2dev, __be32 inaddr, __be32 inmask)
{
struct c2_vq_req *vq_req;
struct c2wr_rnic_setconfig_req *wr;
@@ -455,7 +455,8 @@
IB_DEVICE_CURR_QP_STATE_MOD |
IB_DEVICE_SYS_IMAGE_GUID |
IB_DEVICE_ZERO_STAG |
- IB_DEVICE_SEND_W_INV | IB_DEVICE_MEM_WINDOW);
+ IB_DEVICE_MEM_WINDOW |
+ IB_DEVICE_SEND_W_INV);
/* Allocate the qptr_array */
c2dev->qptr_array = vmalloc(C2_MAX_CQS * sizeof(void *));
@@ -506,17 +507,17 @@
mmio_regs = c2dev->kva;
/* Initialize the Verbs Request Queue */
c2_mq_req_init(&c2dev->req_vq, 0,
- be32_to_cpu(readl(mmio_regs + C2_REGS_Q0_QSIZE)),
- be32_to_cpu(readl(mmio_regs + C2_REGS_Q0_MSGSIZE)),
+ be32_to_cpu((__force __be32) readl(mmio_regs + C2_REGS_Q0_QSIZE)),
+ be32_to_cpu((__force __be32) readl(mmio_regs + C2_REGS_Q0_MSGSIZE)),
mmio_regs +
- be32_to_cpu(readl(mmio_regs + C2_REGS_Q0_POOLSTART)),
+ be32_to_cpu((__force __be32) readl(mmio_regs + C2_REGS_Q0_POOLSTART)),
mmio_regs +
- be32_to_cpu(readl(mmio_regs + C2_REGS_Q0_SHARED)),
+ be32_to_cpu((__force __be32) readl(mmio_regs + C2_REGS_Q0_SHARED)),
C2_MQ_ADAPTER_TARGET);
/* Initialize the Verbs Reply Queue */
- qsize = be32_to_cpu(readl(mmio_regs + C2_REGS_Q1_QSIZE));
- msgsize = be32_to_cpu(readl(mmio_regs + C2_REGS_Q1_MSGSIZE));
+ qsize = be32_to_cpu((__force __be32) readl(mmio_regs + C2_REGS_Q1_QSIZE));
+ msgsize = be32_to_cpu((__force __be32) readl(mmio_regs + C2_REGS_Q1_MSGSIZE));
q1_pages = dma_alloc_coherent(&c2dev->pcidev->dev, qsize * msgsize,
&c2dev->rep_vq.host_dma, GFP_KERNEL);
if (!q1_pages) {
@@ -524,7 +525,7 @@
goto bail1;
}
pci_unmap_addr_set(&c2dev->rep_vq, mapping, c2dev->rep_vq.host_dma);
- pr_debug("%s rep_vq va %p dma %llx\n", __FUNCTION__, q1_pages,
+ pr_debug("%s rep_vq va %p dma %llx\n", __func__, q1_pages,
(unsigned long long) c2dev->rep_vq.host_dma);
c2_mq_rep_init(&c2dev->rep_vq,
1,
@@ -532,12 +533,12 @@
msgsize,
q1_pages,
mmio_regs +
- be32_to_cpu(readl(mmio_regs + C2_REGS_Q1_SHARED)),
+ be32_to_cpu((__force __be32) readl(mmio_regs + C2_REGS_Q1_SHARED)),
C2_MQ_HOST_TARGET);
/* Initialize the Asynchronus Event Queue */
- qsize = be32_to_cpu(readl(mmio_regs + C2_REGS_Q2_QSIZE));
- msgsize = be32_to_cpu(readl(mmio_regs + C2_REGS_Q2_MSGSIZE));
+ qsize = be32_to_cpu((__force __be32) readl(mmio_regs + C2_REGS_Q2_QSIZE));
+ msgsize = be32_to_cpu((__force __be32) readl(mmio_regs + C2_REGS_Q2_MSGSIZE));
q2_pages = dma_alloc_coherent(&c2dev->pcidev->dev, qsize * msgsize,
&c2dev->aeq.host_dma, GFP_KERNEL);
if (!q2_pages) {
@@ -545,7 +546,7 @@
goto bail2;
}
pci_unmap_addr_set(&c2dev->aeq, mapping, c2dev->aeq.host_dma);
- pr_debug("%s aeq va %p dma %llx\n", __FUNCTION__, q2_pages,
+ pr_debug("%s aeq va %p dma %llx\n", __func__, q2_pages,
(unsigned long long) c2dev->aeq.host_dma);
c2_mq_rep_init(&c2dev->aeq,
2,
@@ -553,7 +554,7 @@
msgsize,
q2_pages,
mmio_regs +
- be32_to_cpu(readl(mmio_regs + C2_REGS_Q2_SHARED)),
+ be32_to_cpu((__force __be32) readl(mmio_regs + C2_REGS_Q2_SHARED)),
C2_MQ_HOST_TARGET);
/* Initialize the verbs request allocator */
diff --git a/drivers/infiniband/hw/amso1100/c2_vq.c b/drivers/infiniband/hw/amso1100/c2_vq.c
index cfdacb1..9ce7819b 100644
--- a/drivers/infiniband/hw/amso1100/c2_vq.c
+++ b/drivers/infiniband/hw/amso1100/c2_vq.c
@@ -197,7 +197,7 @@
*/
while (msg == NULL) {
pr_debug("%s:%d no available msg in VQ, waiting...\n",
- __FUNCTION__, __LINE__);
+ __func__, __LINE__);
init_waitqueue_entry(&__wait, current);
add_wait_queue(&c2dev->req_vq_wo, &__wait);
spin_unlock(&c2dev->vqlock);
diff --git a/drivers/infiniband/hw/amso1100/c2_wr.h b/drivers/infiniband/hw/amso1100/c2_wr.h
index 3ec6c43..c65fbdd 100644
--- a/drivers/infiniband/hw/amso1100/c2_wr.h
+++ b/drivers/infiniband/hw/amso1100/c2_wr.h
@@ -180,8 +180,8 @@
};
struct c2_netaddr {
- u32 ip_addr;
- u32 netmask;
+ __be32 ip_addr;
+ __be32 netmask;
u32 mtu;
};
@@ -199,9 +199,9 @@
* A Scatter Gather Entry.
*/
struct c2_data_addr {
- u32 stag;
- u32 length;
- u64 to;
+ __be32 stag;
+ __be32 length;
+ __be64 to;
};
/*
@@ -274,7 +274,7 @@
* from the host to adapter by libccil, but we copy it anyway
* to make the memcpy to the adapter better aligned.
*/
- u32 wqe_count;
+ __be32 wqe_count;
/* Put these fields next so that later 32- and 64-bit
* quantities are naturally aligned.
@@ -316,8 +316,8 @@
struct c2wr_rnic_open_req {
struct c2wr_hdr hdr;
u64 user_context;
- u16 flags; /* See enum c2_rnic_flags */
- u16 port_num;
+ __be16 flags; /* See enum c2_rnic_flags */
+ __be16 port_num;
} __attribute__((packed));
struct c2wr_rnic_open_rep {
@@ -341,30 +341,30 @@
struct c2wr_rnic_query_rep {
struct c2wr_hdr hdr;
u64 user_context;
- u32 vendor_id;
- u32 part_number;
- u32 hw_version;
- u32 fw_ver_major;
- u32 fw_ver_minor;
- u32 fw_ver_patch;
+ __be32 vendor_id;
+ __be32 part_number;
+ __be32 hw_version;
+ __be32 fw_ver_major;
+ __be32 fw_ver_minor;
+ __be32 fw_ver_patch;
char fw_ver_build_str[WR_BUILD_STR_LEN];
- u32 max_qps;
- u32 max_qp_depth;
+ __be32 max_qps;
+ __be32 max_qp_depth;
u32 max_srq_depth;
u32 max_send_sgl_depth;
u32 max_rdma_sgl_depth;
- u32 max_cqs;
- u32 max_cq_depth;
+ __be32 max_cqs;
+ __be32 max_cq_depth;
u32 max_cq_event_handlers;
- u32 max_mrs;
+ __be32 max_mrs;
u32 max_pbl_depth;
- u32 max_pds;
- u32 max_global_ird;
+ __be32 max_pds;
+ __be32 max_global_ird;
u32 max_global_ord;
- u32 max_qp_ird;
- u32 max_qp_ord;
+ __be32 max_qp_ird;
+ __be32 max_qp_ord;
u32 flags;
- u32 max_mws;
+ __be32 max_mws;
u32 pbe_range_low;
u32 pbe_range_high;
u32 max_srqs;
@@ -405,7 +405,7 @@
struct c2wr_rnic_setconfig_req {
struct c2wr_hdr hdr;
u32 rnic_handle;
- u32 option; /* See c2_setconfig_cmd_t */
+ __be32 option; /* See c2_setconfig_cmd_t */
/* variable data and pad. See c2_netaddr and c2_route */
u8 data[0];
} __attribute__((packed)) ;
@@ -441,18 +441,18 @@
*/
struct c2wr_cq_create_req {
struct c2wr_hdr hdr;
- u64 shared_ht;
+ __be64 shared_ht;
u64 user_context;
- u64 msg_pool;
+ __be64 msg_pool;
u32 rnic_handle;
- u32 msg_size;
- u32 depth;
+ __be32 msg_size;
+ __be32 depth;
} __attribute__((packed)) ;
struct c2wr_cq_create_rep {
struct c2wr_hdr hdr;
- u32 mq_index;
- u32 adapter_shared;
+ __be32 mq_index;
+ __be32 adapter_shared;
u32 cq_handle;
} __attribute__((packed)) ;
@@ -585,40 +585,40 @@
struct c2wr_qp_create_req {
struct c2wr_hdr hdr;
- u64 shared_sq_ht;
- u64 shared_rq_ht;
+ __be64 shared_sq_ht;
+ __be64 shared_rq_ht;
u64 user_context;
u32 rnic_handle;
u32 sq_cq_handle;
u32 rq_cq_handle;
- u32 sq_depth;
- u32 rq_depth;
+ __be32 sq_depth;
+ __be32 rq_depth;
u32 srq_handle;
u32 srq_limit;
- u32 flags; /* see enum c2wr_qp_flags */
- u32 send_sgl_depth;
- u32 recv_sgl_depth;
- u32 rdma_write_sgl_depth;
- u32 ord;
- u32 ird;
+ __be32 flags; /* see enum c2wr_qp_flags */
+ __be32 send_sgl_depth;
+ __be32 recv_sgl_depth;
+ __be32 rdma_write_sgl_depth;
+ __be32 ord;
+ __be32 ird;
u32 pd_id;
} __attribute__((packed)) ;
struct c2wr_qp_create_rep {
struct c2wr_hdr hdr;
- u32 sq_depth;
- u32 rq_depth;
+ __be32 sq_depth;
+ __be32 rq_depth;
u32 send_sgl_depth;
u32 recv_sgl_depth;
u32 rdma_write_sgl_depth;
u32 ord;
u32 ird;
- u32 sq_msg_size;
- u32 sq_mq_index;
- u32 sq_mq_start;
- u32 rq_msg_size;
- u32 rq_mq_index;
- u32 rq_mq_start;
+ __be32 sq_msg_size;
+ __be32 sq_mq_index;
+ __be32 sq_mq_start;
+ __be32 rq_msg_size;
+ __be32 rq_mq_index;
+ __be32 rq_mq_start;
u32 qp_handle;
} __attribute__((packed)) ;
@@ -667,11 +667,11 @@
u32 stream_msg_length;
u32 rnic_handle;
u32 qp_handle;
- u32 next_qp_state;
- u32 ord;
- u32 ird;
- u32 sq_depth;
- u32 rq_depth;
+ __be32 next_qp_state;
+ __be32 ord;
+ __be32 ird;
+ __be32 sq_depth;
+ __be32 rq_depth;
u32 llp_ep_handle;
} __attribute__((packed)) ;
@@ -721,10 +721,10 @@
struct c2wr_hdr hdr;
u32 rnic_handle;
u32 qp_handle;
- u32 remote_addr;
- u16 remote_port;
+ __be32 remote_addr;
+ __be16 remote_port;
u16 pad;
- u32 private_data_length;
+ __be32 private_data_length;
u8 private_data[0]; /* Private data in-line. */
} __attribute__((packed)) ;
@@ -759,25 +759,25 @@
struct c2wr_nsmr_register_req {
struct c2wr_hdr hdr;
- u64 va;
+ __be64 va;
u32 rnic_handle;
- u16 flags;
+ __be16 flags;
u8 stag_key;
u8 pad;
u32 pd_id;
- u32 pbl_depth;
- u32 pbe_size;
- u32 fbo;
- u32 length;
- u32 addrs_length;
+ __be32 pbl_depth;
+ __be32 pbe_size;
+ __be32 fbo;
+ __be32 length;
+ __be32 addrs_length;
/* array of paddrs (must be aligned on a 64bit boundary) */
- u64 paddrs[0];
+ __be64 paddrs[0];
} __attribute__((packed)) ;
struct c2wr_nsmr_register_rep {
struct c2wr_hdr hdr;
u32 pbl_depth;
- u32 stag_index;
+ __be32 stag_index;
} __attribute__((packed)) ;
union c2wr_nsmr_register {
@@ -788,11 +788,11 @@
struct c2wr_nsmr_pbl_req {
struct c2wr_hdr hdr;
u32 rnic_handle;
- u32 flags;
- u32 stag_index;
- u32 addrs_length;
+ __be32 flags;
+ __be32 stag_index;
+ __be32 addrs_length;
/* array of paddrs (must be aligned on a 64bit boundary) */
- u64 paddrs[0];
+ __be64 paddrs[0];
} __attribute__((packed)) ;
struct c2wr_nsmr_pbl_rep {
@@ -847,7 +847,7 @@
struct c2wr_stag_dealloc_req {
struct c2wr_hdr hdr;
u32 rnic_handle;
- u32 stag_index;
+ __be32 stag_index;
} __attribute__((packed)) ;
struct c2wr_stag_dealloc_rep {
@@ -949,7 +949,7 @@
u64 qp_user_context; /* c2_user_qp_t * */
u32 qp_state; /* Current QP State */
u32 handle; /* QPID or EP Handle */
- u32 bytes_rcvd; /* valid for RECV WCs */
+ __be32 bytes_rcvd; /* valid for RECV WCs */
u32 stag;
} __attribute__((packed)) ;
@@ -984,8 +984,8 @@
*/
struct c2wr_send_req {
struct c2_sq_hdr sq_hdr;
- u32 sge_len;
- u32 remote_stag;
+ __be32 sge_len;
+ __be32 remote_stag;
u8 data[0]; /* SGE array */
} __attribute__((packed));
@@ -996,9 +996,9 @@
struct c2wr_rdma_write_req {
struct c2_sq_hdr sq_hdr;
- u64 remote_to;
- u32 remote_stag;
- u32 sge_len;
+ __be64 remote_to;
+ __be32 remote_stag;
+ __be32 sge_len;
u8 data[0]; /* SGE array */
} __attribute__((packed));
@@ -1009,11 +1009,11 @@
struct c2wr_rdma_read_req {
struct c2_sq_hdr sq_hdr;
- u64 local_to;
- u64 remote_to;
- u32 local_stag;
- u32 remote_stag;
- u32 length;
+ __be64 local_to;
+ __be64 remote_to;
+ __be32 local_stag;
+ __be32 remote_stag;
+ __be32 length;
} __attribute__((packed));
union c2wr_rdma_read {
@@ -1113,9 +1113,9 @@
struct c2wr_ae_hdr {
struct c2wr_hdr hdr;
u64 user_context; /* user context for this res. */
- u32 resource_type; /* see enum c2_resource_indicator */
- u32 resource; /* handle for resource */
- u32 qp_state; /* current QP State */
+ __be32 resource_type; /* see enum c2_resource_indicator */
+ __be32 resource; /* handle for resource */
+ __be32 qp_state; /* current QP State */
} __attribute__((packed));
/*
@@ -1124,11 +1124,11 @@
*/
struct c2wr_ae_active_connect_results {
struct c2wr_ae_hdr ae_hdr;
- u32 laddr;
- u32 raddr;
- u16 lport;
- u16 rport;
- u32 private_data_length;
+ __be32 laddr;
+ __be32 raddr;
+ __be16 lport;
+ __be16 rport;
+ __be32 private_data_length;
u8 private_data[0]; /* data is in-line in the msg. */
} __attribute__((packed));
@@ -1142,11 +1142,11 @@
struct c2wr_ae_connection_request {
struct c2wr_ae_hdr ae_hdr;
u32 cr_handle; /* connreq handle (sock ptr) */
- u32 laddr;
- u32 raddr;
- u16 lport;
- u16 rport;
- u32 private_data_length;
+ __be32 laddr;
+ __be32 raddr;
+ __be16 lport;
+ __be16 rport;
+ __be32 private_data_length;
u8 private_data[0]; /* data is in-line in the msg. */
} __attribute__((packed));
@@ -1158,12 +1158,12 @@
struct c2wr_init_req {
struct c2wr_hdr hdr;
- u64 hint_count;
- u64 q0_host_shared;
- u64 q1_host_shared;
- u64 q1_host_msg_pool;
- u64 q2_host_shared;
- u64 q2_host_msg_pool;
+ __be64 hint_count;
+ __be64 q0_host_shared;
+ __be64 q1_host_shared;
+ __be64 q1_host_msg_pool;
+ __be64 q2_host_shared;
+ __be64 q2_host_msg_pool;
} __attribute__((packed));
struct c2wr_init_rep {
@@ -1276,10 +1276,10 @@
struct c2wr_hdr hdr;
u64 user_context; /* returned in AEs. */
u32 rnic_handle;
- u32 local_addr; /* local addr, or 0 */
- u16 local_port; /* 0 means "pick one" */
+ __be32 local_addr; /* local addr, or 0 */
+ __be16 local_port; /* 0 means "pick one" */
u16 pad;
- u32 backlog; /* tradional tcp listen bl */
+ __be32 backlog; /* tradional tcp listen bl */
} __attribute__((packed));
struct c2wr_ep_listen_create_rep {
@@ -1340,7 +1340,7 @@
u32 rnic_handle;
u32 qp_handle; /* QP to bind to this LLP conn */
u32 ep_handle; /* LLP handle to accept */
- u32 private_data_length;
+ __be32 private_data_length;
u8 private_data[0]; /* data in-line in msg. */
} __attribute__((packed));
@@ -1508,7 +1508,7 @@
{
((struct c2wr_hdr *) wr)->sge_count = sge_count;
}
-static __inline__ u32 c2_wr_get_wqe_count(void *wr)
+static __inline__ __be32 c2_wr_get_wqe_count(void *wr)
{
return ((struct c2wr_hdr *) wr)->wqe_count;
}
diff --git a/drivers/infiniband/hw/cxgb3/cxio_dbg.c b/drivers/infiniband/hw/cxgb3/cxio_dbg.c
index 75f7b16..a8d24d5 100644
--- a/drivers/infiniband/hw/cxgb3/cxio_dbg.c
+++ b/drivers/infiniband/hw/cxgb3/cxio_dbg.c
@@ -45,16 +45,16 @@
m = kmalloc(sizeof(*m) + size, GFP_ATOMIC);
if (!m) {
- PDBG("%s couldn't allocate memory.\n", __FUNCTION__);
+ PDBG("%s couldn't allocate memory.\n", __func__);
return;
}
m->mem_id = MEM_PMRX;
m->addr = (stag>>8) * 32 + rdev->rnic_info.tpt_base;
m->len = size;
- PDBG("%s TPT addr 0x%x len %d\n", __FUNCTION__, m->addr, m->len);
+ PDBG("%s TPT addr 0x%x len %d\n", __func__, m->addr, m->len);
rc = rdev->t3cdev_p->ctl(rdev->t3cdev_p, RDMA_GET_MEM, m);
if (rc) {
- PDBG("%s toectl returned error %d\n", __FUNCTION__, rc);
+ PDBG("%s toectl returned error %d\n", __func__, rc);
kfree(m);
return;
}
@@ -82,17 +82,17 @@
m = kmalloc(sizeof(*m) + size, GFP_ATOMIC);
if (!m) {
- PDBG("%s couldn't allocate memory.\n", __FUNCTION__);
+ PDBG("%s couldn't allocate memory.\n", __func__);
return;
}
m->mem_id = MEM_PMRX;
m->addr = pbl_addr;
m->len = size;
PDBG("%s PBL addr 0x%x len %d depth %d\n",
- __FUNCTION__, m->addr, m->len, npages);
+ __func__, m->addr, m->len, npages);
rc = rdev->t3cdev_p->ctl(rdev->t3cdev_p, RDMA_GET_MEM, m);
if (rc) {
- PDBG("%s toectl returned error %d\n", __FUNCTION__, rc);
+ PDBG("%s toectl returned error %d\n", __func__, rc);
kfree(m);
return;
}
@@ -144,16 +144,16 @@
m = kmalloc(sizeof(*m) + size, GFP_ATOMIC);
if (!m) {
- PDBG("%s couldn't allocate memory.\n", __FUNCTION__);
+ PDBG("%s couldn't allocate memory.\n", __func__);
return;
}
m->mem_id = MEM_PMRX;
m->addr = ((hwtid)<<10) + rdev->rnic_info.rqt_base;
m->len = size;
- PDBG("%s RQT addr 0x%x len %d\n", __FUNCTION__, m->addr, m->len);
+ PDBG("%s RQT addr 0x%x len %d\n", __func__, m->addr, m->len);
rc = rdev->t3cdev_p->ctl(rdev->t3cdev_p, RDMA_GET_MEM, m);
if (rc) {
- PDBG("%s toectl returned error %d\n", __FUNCTION__, rc);
+ PDBG("%s toectl returned error %d\n", __func__, rc);
kfree(m);
return;
}
@@ -177,16 +177,16 @@
m = kmalloc(sizeof(*m) + size, GFP_ATOMIC);
if (!m) {
- PDBG("%s couldn't allocate memory.\n", __FUNCTION__);
+ PDBG("%s couldn't allocate memory.\n", __func__);
return;
}
m->mem_id = MEM_CM;
m->addr = hwtid * size;
m->len = size;
- PDBG("%s TCB %d len %d\n", __FUNCTION__, m->addr, m->len);
+ PDBG("%s TCB %d len %d\n", __func__, m->addr, m->len);
rc = rdev->t3cdev_p->ctl(rdev->t3cdev_p, RDMA_GET_MEM, m);
if (rc) {
- PDBG("%s toectl returned error %d\n", __FUNCTION__, rc);
+ PDBG("%s toectl returned error %d\n", __func__, rc);
kfree(m);
return;
}
diff --git a/drivers/infiniband/hw/cxgb3/cxio_hal.c b/drivers/infiniband/hw/cxgb3/cxio_hal.c
index 03c5ff6..66eb703 100644
--- a/drivers/infiniband/hw/cxgb3/cxio_hal.c
+++ b/drivers/infiniband/hw/cxgb3/cxio_hal.c
@@ -140,7 +140,7 @@
struct t3_modify_qp_wr *wqe;
struct sk_buff *skb = alloc_skb(sizeof(*wqe), GFP_KERNEL);
if (!skb) {
- PDBG("%s alloc_skb failed\n", __FUNCTION__);
+ PDBG("%s alloc_skb failed\n", __func__);
return -ENOMEM;
}
wqe = (struct t3_modify_qp_wr *) skb_put(skb, sizeof(*wqe));
@@ -225,7 +225,7 @@
}
out:
mutex_unlock(&uctx->lock);
- PDBG("%s qpid 0x%x\n", __FUNCTION__, qpid);
+ PDBG("%s qpid 0x%x\n", __func__, qpid);
return qpid;
}
@@ -237,7 +237,7 @@
entry = kmalloc(sizeof *entry, GFP_KERNEL);
if (!entry)
return;
- PDBG("%s qpid 0x%x\n", __FUNCTION__, qpid);
+ PDBG("%s qpid 0x%x\n", __func__, qpid);
entry->qpid = qpid;
mutex_lock(&uctx->lock);
list_add_tail(&entry->entry, &uctx->qpids);
@@ -300,7 +300,7 @@
if (!kernel_domain)
wq->udb = (u64)rdev_p->rnic_info.udbell_physbase +
(wq->qpid << rdev_p->qpshift);
- PDBG("%s qpid 0x%x doorbell 0x%p udb 0x%llx\n", __FUNCTION__,
+ PDBG("%s qpid 0x%x doorbell 0x%p udb 0x%llx\n", __func__,
wq->qpid, wq->doorbell, (unsigned long long) wq->udb);
return 0;
err4:
@@ -345,7 +345,7 @@
{
struct t3_cqe cqe;
- PDBG("%s wq %p cq %p sw_rptr 0x%x sw_wptr 0x%x\n", __FUNCTION__,
+ PDBG("%s wq %p cq %p sw_rptr 0x%x sw_wptr 0x%x\n", __func__,
wq, cq, cq->sw_rptr, cq->sw_wptr);
memset(&cqe, 0, sizeof(cqe));
cqe.header = cpu_to_be32(V_CQE_STATUS(TPT_ERR_SWFLUSH) |
@@ -363,10 +363,10 @@
{
u32 ptr;
- PDBG("%s wq %p cq %p\n", __FUNCTION__, wq, cq);
+ PDBG("%s wq %p cq %p\n", __func__, wq, cq);
/* flush RQ */
- PDBG("%s rq_rptr %u rq_wptr %u skip count %u\n", __FUNCTION__,
+ PDBG("%s rq_rptr %u rq_wptr %u skip count %u\n", __func__,
wq->rq_rptr, wq->rq_wptr, count);
ptr = wq->rq_rptr + count;
while (ptr++ != wq->rq_wptr)
@@ -378,7 +378,7 @@
{
struct t3_cqe cqe;
- PDBG("%s wq %p cq %p sw_rptr 0x%x sw_wptr 0x%x\n", __FUNCTION__,
+ PDBG("%s wq %p cq %p sw_rptr 0x%x sw_wptr 0x%x\n", __func__,
wq, cq, cq->sw_rptr, cq->sw_wptr);
memset(&cqe, 0, sizeof(cqe));
cqe.header = cpu_to_be32(V_CQE_STATUS(TPT_ERR_SWFLUSH) |
@@ -415,11 +415,11 @@
{
struct t3_cqe *cqe, *swcqe;
- PDBG("%s cq %p cqid 0x%x\n", __FUNCTION__, cq, cq->cqid);
+ PDBG("%s cq %p cqid 0x%x\n", __func__, cq, cq->cqid);
cqe = cxio_next_hw_cqe(cq);
while (cqe) {
PDBG("%s flushing hwcq rptr 0x%x to swcq wptr 0x%x\n",
- __FUNCTION__, cq->rptr, cq->sw_wptr);
+ __func__, cq->rptr, cq->sw_wptr);
swcqe = cq->sw_queue + Q_PTR2IDX(cq->sw_wptr, cq->size_log2);
*swcqe = *cqe;
swcqe->header |= cpu_to_be32(V_CQE_SWCQE(1));
@@ -461,7 +461,7 @@
(*count)++;
ptr++;
}
- PDBG("%s cq %p count %d\n", __FUNCTION__, cq, *count);
+ PDBG("%s cq %p count %d\n", __func__, cq, *count);
}
void cxio_count_rcqes(struct t3_cq *cq, struct t3_wq *wq, int *count)
@@ -470,7 +470,7 @@
u32 ptr;
*count = 0;
- PDBG("%s count zero %d\n", __FUNCTION__, *count);
+ PDBG("%s count zero %d\n", __func__, *count);
ptr = cq->sw_rptr;
while (!Q_EMPTY(ptr, cq->sw_wptr)) {
cqe = cq->sw_queue + (Q_PTR2IDX(ptr, cq->size_log2));
@@ -479,7 +479,7 @@
(*count)++;
ptr++;
}
- PDBG("%s cq %p count %d\n", __FUNCTION__, cq, *count);
+ PDBG("%s cq %p count %d\n", __func__, cq, *count);
}
static int cxio_hal_init_ctrl_cq(struct cxio_rdev *rdev_p)
@@ -506,12 +506,12 @@
skb = alloc_skb(sizeof(*wqe), GFP_KERNEL);
if (!skb) {
- PDBG("%s alloc_skb failed\n", __FUNCTION__);
+ PDBG("%s alloc_skb failed\n", __func__);
return -ENOMEM;
}
err = cxio_hal_init_ctrl_cq(rdev_p);
if (err) {
- PDBG("%s err %d initializing ctrl_cq\n", __FUNCTION__, err);
+ PDBG("%s err %d initializing ctrl_cq\n", __func__, err);
goto err;
}
rdev_p->ctrl_qp.workq = dma_alloc_coherent(
@@ -521,7 +521,7 @@
&(rdev_p->ctrl_qp.dma_addr),
GFP_KERNEL);
if (!rdev_p->ctrl_qp.workq) {
- PDBG("%s dma_alloc_coherent failed\n", __FUNCTION__);
+ PDBG("%s dma_alloc_coherent failed\n", __func__);
err = -ENOMEM;
goto err;
}
@@ -591,25 +591,25 @@
addr &= 0x7FFFFFF;
nr_wqe = len % 96 ? len / 96 + 1 : len / 96; /* 96B max per WQE */
PDBG("%s wptr 0x%x rptr 0x%x len %d, nr_wqe %d data %p addr 0x%0x\n",
- __FUNCTION__, rdev_p->ctrl_qp.wptr, rdev_p->ctrl_qp.rptr, len,
+ __func__, rdev_p->ctrl_qp.wptr, rdev_p->ctrl_qp.rptr, len,
nr_wqe, data, addr);
utx_len = 3; /* in 32B unit */
for (i = 0; i < nr_wqe; i++) {
if (Q_FULL(rdev_p->ctrl_qp.rptr, rdev_p->ctrl_qp.wptr,
T3_CTRL_QP_SIZE_LOG2)) {
PDBG("%s ctrl_qp full wtpr 0x%0x rptr 0x%0x, "
- "wait for more space i %d\n", __FUNCTION__,
+ "wait for more space i %d\n", __func__,
rdev_p->ctrl_qp.wptr, rdev_p->ctrl_qp.rptr, i);
if (wait_event_interruptible(rdev_p->ctrl_qp.waitq,
!Q_FULL(rdev_p->ctrl_qp.rptr,
rdev_p->ctrl_qp.wptr,
T3_CTRL_QP_SIZE_LOG2))) {
PDBG("%s ctrl_qp workq interrupted\n",
- __FUNCTION__);
+ __func__);
return -ERESTARTSYS;
}
PDBG("%s ctrl_qp wakeup, continue posting work request "
- "i %d\n", __FUNCTION__, i);
+ "i %d\n", __func__, i);
}
wqe = (__be64 *)(rdev_p->ctrl_qp.workq + (rdev_p->ctrl_qp.wptr %
(1 << T3_CTRL_QP_SIZE_LOG2)));
@@ -630,7 +630,7 @@
if ((i != 0) &&
(i % (((1 << T3_CTRL_QP_SIZE_LOG2)) >> 1) == 0)) {
flag = T3_COMPLETION_FLAG;
- PDBG("%s force completion at i %d\n", __FUNCTION__, i);
+ PDBG("%s force completion at i %d\n", __func__, i);
}
/* build the utx mem command */
@@ -701,7 +701,7 @@
*stag = (stag_idx << 8) | ((*stag) & 0xFF);
}
PDBG("%s stag_state 0x%0x type 0x%0x pdid 0x%0x, stag_idx 0x%x\n",
- __FUNCTION__, stag_state, type, pdid, stag_idx);
+ __func__, stag_state, type, pdid, stag_idx);
if (reset_tpt_entry)
cxio_hal_pblpool_free(rdev_p, *pbl_addr, *pbl_size << 3);
@@ -718,7 +718,7 @@
if (pbl) {
PDBG("%s *pdb_addr 0x%x, pbl_base 0x%x, pbl_size %d\n",
- __FUNCTION__, *pbl_addr, rdev_p->rnic_info.pbl_base,
+ __func__, *pbl_addr, rdev_p->rnic_info.pbl_base,
*pbl_size);
err = cxio_hal_ctrl_qp_write_mem(rdev_p,
(*pbl_addr >> 5),
@@ -814,7 +814,7 @@
struct sk_buff *skb = alloc_skb(sizeof(*wqe), GFP_ATOMIC);
if (!skb)
return -ENOMEM;
- PDBG("%s rdev_p %p\n", __FUNCTION__, rdev_p);
+ PDBG("%s rdev_p %p\n", __func__, rdev_p);
wqe = (struct t3_rdma_init_wr *) __skb_put(skb, sizeof(*wqe));
wqe->wrh.op_seop_flags = cpu_to_be32(V_FW_RIWR_OP(T3_WR_INIT));
wqe->wrh.gen_tid_len = cpu_to_be32(V_FW_RIWR_TID(attr->tid) |
@@ -856,7 +856,7 @@
struct respQ_msg_t *rsp_msg = (struct respQ_msg_t *) skb->data;
PDBG("%d: %s cq_id 0x%x cq_ptr 0x%x genbit %0x overflow %0x an %0x"
" se %0x notify %0x cqbranch %0x creditth %0x\n",
- cnt, __FUNCTION__, RSPQ_CQID(rsp_msg), RSPQ_CQPTR(rsp_msg),
+ cnt, __func__, RSPQ_CQID(rsp_msg), RSPQ_CQPTR(rsp_msg),
RSPQ_GENBIT(rsp_msg), RSPQ_OVERFLOW(rsp_msg), RSPQ_AN(rsp_msg),
RSPQ_SE(rsp_msg), RSPQ_NOTIFY(rsp_msg), RSPQ_CQBRANCH(rsp_msg),
RSPQ_CREDIT_THRESH(rsp_msg));
@@ -868,7 +868,7 @@
CQE_WRID_HI(rsp_msg->cqe), CQE_WRID_LOW(rsp_msg->cqe));
rdev_p = (struct cxio_rdev *)t3cdev_p->ulp;
if (!rdev_p) {
- PDBG("%s called by t3cdev %p with null ulp\n", __FUNCTION__,
+ PDBG("%s called by t3cdev %p with null ulp\n", __func__,
t3cdev_p);
return 0;
}
@@ -908,13 +908,13 @@
strncpy(rdev_p->dev_name, rdev_p->t3cdev_p->name,
T3_MAX_DEV_NAME_LEN);
} else {
- PDBG("%s t3cdev_p or dev_name must be set\n", __FUNCTION__);
+ PDBG("%s t3cdev_p or dev_name must be set\n", __func__);
return -EINVAL;
}
list_add_tail(&rdev_p->entry, &rdev_list);
- PDBG("%s opening rnic dev %s\n", __FUNCTION__, rdev_p->dev_name);
+ PDBG("%s opening rnic dev %s\n", __func__, rdev_p->dev_name);
memset(&rdev_p->ctrl_qp, 0, sizeof(rdev_p->ctrl_qp));
if (!rdev_p->t3cdev_p)
rdev_p->t3cdev_p = dev2t3cdev(netdev_p);
@@ -923,14 +923,14 @@
&(rdev_p->rnic_info));
if (err) {
printk(KERN_ERR "%s t3cdev_p(%p)->ctl returned error %d.\n",
- __FUNCTION__, rdev_p->t3cdev_p, err);
+ __func__, rdev_p->t3cdev_p, err);
goto err1;
}
err = rdev_p->t3cdev_p->ctl(rdev_p->t3cdev_p, GET_PORTS,
&(rdev_p->port_info));
if (err) {
printk(KERN_ERR "%s t3cdev_p(%p)->ctl returned error %d.\n",
- __FUNCTION__, rdev_p->t3cdev_p, err);
+ __func__, rdev_p->t3cdev_p, err);
goto err1;
}
@@ -947,7 +947,7 @@
rdev_p->qpmask = (65536 >> ilog2(rdev_p->qpnr)) - 1;
PDBG("%s rnic %s info: tpt_base 0x%0x tpt_top 0x%0x num stags %d "
"pbl_base 0x%0x pbl_top 0x%0x rqt_base 0x%0x, rqt_top 0x%0x\n",
- __FUNCTION__, rdev_p->dev_name, rdev_p->rnic_info.tpt_base,
+ __func__, rdev_p->dev_name, rdev_p->rnic_info.tpt_base,
rdev_p->rnic_info.tpt_top, cxio_num_stags(rdev_p),
rdev_p->rnic_info.pbl_base,
rdev_p->rnic_info.pbl_top, rdev_p->rnic_info.rqt_base,
@@ -961,7 +961,7 @@
err = cxio_hal_init_ctrl_qp(rdev_p);
if (err) {
printk(KERN_ERR "%s error %d initializing ctrl_qp.\n",
- __FUNCTION__, err);
+ __func__, err);
goto err1;
}
err = cxio_hal_init_resource(rdev_p, cxio_num_stags(rdev_p), 0,
@@ -969,19 +969,19 @@
T3_MAX_NUM_PD);
if (err) {
printk(KERN_ERR "%s error %d initializing hal resources.\n",
- __FUNCTION__, err);
+ __func__, err);
goto err2;
}
err = cxio_hal_pblpool_create(rdev_p);
if (err) {
printk(KERN_ERR "%s error %d initializing pbl mem pool.\n",
- __FUNCTION__, err);
+ __func__, err);
goto err3;
}
err = cxio_hal_rqtpool_create(rdev_p);
if (err) {
printk(KERN_ERR "%s error %d initializing rqt mem pool.\n",
- __FUNCTION__, err);
+ __func__, err);
goto err4;
}
return 0;
@@ -1043,7 +1043,7 @@
* Insert this completed cqe into the swcq.
*/
PDBG("%s moving cqe into swcq sq idx %ld cq idx %ld\n",
- __FUNCTION__, Q_PTR2IDX(ptr, wq->sq_size_log2),
+ __func__, Q_PTR2IDX(ptr, wq->sq_size_log2),
Q_PTR2IDX(cq->sw_wptr, cq->size_log2));
sqp->cqe.header |= htonl(V_CQE_SWCQE(1));
*(cq->sw_queue + Q_PTR2IDX(cq->sw_wptr, cq->size_log2))
@@ -1112,7 +1112,7 @@
PDBG("%s CQE OOO %d qpid 0x%0x genbit %d type %d status 0x%0x"
" opcode 0x%0x len 0x%0x wrid_hi_stag 0x%x wrid_low_msn 0x%x\n",
- __FUNCTION__, CQE_OOO(*hw_cqe), CQE_QPID(*hw_cqe),
+ __func__, CQE_OOO(*hw_cqe), CQE_QPID(*hw_cqe),
CQE_GENBIT(*hw_cqe), CQE_TYPE(*hw_cqe), CQE_STATUS(*hw_cqe),
CQE_OPCODE(*hw_cqe), CQE_LEN(*hw_cqe), CQE_WRID_HI(*hw_cqe),
CQE_WRID_LOW(*hw_cqe));
@@ -1215,7 +1215,7 @@
struct t3_swsq *sqp;
PDBG("%s out of order completion going in swsq at idx %ld\n",
- __FUNCTION__,
+ __func__,
Q_PTR2IDX(CQE_WRID_SQ_WPTR(*hw_cqe), wq->sq_size_log2));
sqp = wq->sq +
Q_PTR2IDX(CQE_WRID_SQ_WPTR(*hw_cqe), wq->sq_size_log2);
@@ -1234,13 +1234,13 @@
*/
if (SQ_TYPE(*hw_cqe)) {
wq->sq_rptr = CQE_WRID_SQ_WPTR(*hw_cqe);
- PDBG("%s completing sq idx %ld\n", __FUNCTION__,
+ PDBG("%s completing sq idx %ld\n", __func__,
Q_PTR2IDX(wq->sq_rptr, wq->sq_size_log2));
*cookie = (wq->sq +
Q_PTR2IDX(wq->sq_rptr, wq->sq_size_log2))->wr_id;
wq->sq_rptr++;
} else {
- PDBG("%s completing rq idx %ld\n", __FUNCTION__,
+ PDBG("%s completing rq idx %ld\n", __func__,
Q_PTR2IDX(wq->rq_rptr, wq->rq_size_log2));
*cookie = *(wq->rq + Q_PTR2IDX(wq->rq_rptr, wq->rq_size_log2));
wq->rq_rptr++;
@@ -1255,11 +1255,11 @@
skip_cqe:
if (SW_CQE(*hw_cqe)) {
PDBG("%s cq %p cqid 0x%x skip sw cqe sw_rptr 0x%x\n",
- __FUNCTION__, cq, cq->cqid, cq->sw_rptr);
+ __func__, cq, cq->cqid, cq->sw_rptr);
++cq->sw_rptr;
} else {
PDBG("%s cq %p cqid 0x%x skip hw cqe rptr 0x%x\n",
- __FUNCTION__, cq, cq->cqid, cq->rptr);
+ __func__, cq, cq->cqid, cq->rptr);
++cq->rptr;
/*
diff --git a/drivers/infiniband/hw/cxgb3/cxio_resource.c b/drivers/infiniband/hw/cxgb3/cxio_resource.c
index d3095ae..45ed4f2 100644
--- a/drivers/infiniband/hw/cxgb3/cxio_resource.c
+++ b/drivers/infiniband/hw/cxgb3/cxio_resource.c
@@ -206,13 +206,13 @@
u32 cxio_hal_get_qpid(struct cxio_hal_resource *rscp)
{
u32 qpid = cxio_hal_get_resource(rscp->qpid_fifo);
- PDBG("%s qpid 0x%x\n", __FUNCTION__, qpid);
+ PDBG("%s qpid 0x%x\n", __func__, qpid);
return qpid;
}
void cxio_hal_put_qpid(struct cxio_hal_resource *rscp, u32 qpid)
{
- PDBG("%s qpid 0x%x\n", __FUNCTION__, qpid);
+ PDBG("%s qpid 0x%x\n", __func__, qpid);
cxio_hal_put_resource(rscp->qpid_fifo, qpid);
}
@@ -255,13 +255,13 @@
u32 cxio_hal_pblpool_alloc(struct cxio_rdev *rdev_p, int size)
{
unsigned long addr = gen_pool_alloc(rdev_p->pbl_pool, size);
- PDBG("%s addr 0x%x size %d\n", __FUNCTION__, (u32)addr, size);
+ PDBG("%s addr 0x%x size %d\n", __func__, (u32)addr, size);
return (u32)addr;
}
void cxio_hal_pblpool_free(struct cxio_rdev *rdev_p, u32 addr, int size)
{
- PDBG("%s addr 0x%x size %d\n", __FUNCTION__, addr, size);
+ PDBG("%s addr 0x%x size %d\n", __func__, addr, size);
gen_pool_free(rdev_p->pbl_pool, (unsigned long)addr, size);
}
@@ -292,13 +292,13 @@
u32 cxio_hal_rqtpool_alloc(struct cxio_rdev *rdev_p, int size)
{
unsigned long addr = gen_pool_alloc(rdev_p->rqt_pool, size << 6);
- PDBG("%s addr 0x%x size %d\n", __FUNCTION__, (u32)addr, size << 6);
+ PDBG("%s addr 0x%x size %d\n", __func__, (u32)addr, size << 6);
return (u32)addr;
}
void cxio_hal_rqtpool_free(struct cxio_rdev *rdev_p, u32 addr, int size)
{
- PDBG("%s addr 0x%x size %d\n", __FUNCTION__, addr, size << 6);
+ PDBG("%s addr 0x%x size %d\n", __func__, addr, size << 6);
gen_pool_free(rdev_p->rqt_pool, (unsigned long)addr, size << 6);
}
diff --git a/drivers/infiniband/hw/cxgb3/iwch.c b/drivers/infiniband/hw/cxgb3/iwch.c
index 0315c9d..6ba4138 100644
--- a/drivers/infiniband/hw/cxgb3/iwch.c
+++ b/drivers/infiniband/hw/cxgb3/iwch.c
@@ -65,7 +65,7 @@
static void rnic_init(struct iwch_dev *rnicp)
{
- PDBG("%s iwch_dev %p\n", __FUNCTION__, rnicp);
+ PDBG("%s iwch_dev %p\n", __func__, rnicp);
idr_init(&rnicp->cqidr);
idr_init(&rnicp->qpidr);
idr_init(&rnicp->mmidr);
@@ -106,7 +106,7 @@
struct iwch_dev *rnicp;
static int vers_printed;
- PDBG("%s t3cdev %p\n", __FUNCTION__, tdev);
+ PDBG("%s t3cdev %p\n", __func__, tdev);
if (!vers_printed++)
printk(KERN_INFO MOD "Chelsio T3 RDMA Driver - version %s\n",
DRV_VERSION);
@@ -144,7 +144,7 @@
static void close_rnic_dev(struct t3cdev *tdev)
{
struct iwch_dev *dev, *tmp;
- PDBG("%s t3cdev %p\n", __FUNCTION__, tdev);
+ PDBG("%s t3cdev %p\n", __func__, tdev);
mutex_lock(&dev_mutex);
list_for_each_entry_safe(dev, tmp, &dev_list, entry) {
if (dev->rdev.t3cdev_p == tdev) {
diff --git a/drivers/infiniband/hw/cxgb3/iwch.h b/drivers/infiniband/hw/cxgb3/iwch.h
index caf4e60..9ad9b1e 100644
--- a/drivers/infiniband/hw/cxgb3/iwch.h
+++ b/drivers/infiniband/hw/cxgb3/iwch.h
@@ -147,7 +147,7 @@
void *handle, u32 id)
{
int ret;
- u32 newid;
+ int newid;
do {
if (!idr_pre_get(idr, GFP_KERNEL)) {
diff --git a/drivers/infiniband/hw/cxgb3/iwch_cm.c b/drivers/infiniband/hw/cxgb3/iwch_cm.c
index 99f2f2a..72ca360 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_cm.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_cm.c
@@ -110,9 +110,9 @@
static void start_ep_timer(struct iwch_ep *ep)
{
- PDBG("%s ep %p\n", __FUNCTION__, ep);
+ PDBG("%s ep %p\n", __func__, ep);
if (timer_pending(&ep->timer)) {
- PDBG("%s stopped / restarted timer ep %p\n", __FUNCTION__, ep);
+ PDBG("%s stopped / restarted timer ep %p\n", __func__, ep);
del_timer_sync(&ep->timer);
} else
get_ep(&ep->com);
@@ -124,7 +124,7 @@
static void stop_ep_timer(struct iwch_ep *ep)
{
- PDBG("%s ep %p\n", __FUNCTION__, ep);
+ PDBG("%s ep %p\n", __func__, ep);
del_timer_sync(&ep->timer);
put_ep(&ep->com);
}
@@ -190,7 +190,7 @@
static void set_emss(struct iwch_ep *ep, u16 opt)
{
- PDBG("%s ep %p opt %u\n", __FUNCTION__, ep, opt);
+ PDBG("%s ep %p opt %u\n", __func__, ep, opt);
ep->emss = T3C_DATA(ep->com.tdev)->mtus[G_TCPOPT_MSS(opt)] - 40;
if (G_TCPOPT_TSTAMP(opt))
ep->emss -= 12;
@@ -220,7 +220,7 @@
unsigned long flags;
spin_lock_irqsave(&epc->lock, flags);
- PDBG("%s - %s -> %s\n", __FUNCTION__, states[epc->state], states[new]);
+ PDBG("%s - %s -> %s\n", __func__, states[epc->state], states[new]);
__state_set(epc, new);
spin_unlock_irqrestore(&epc->lock, flags);
return;
@@ -236,7 +236,7 @@
spin_lock_init(&epc->lock);
init_waitqueue_head(&epc->waitq);
}
- PDBG("%s alloc ep %p\n", __FUNCTION__, epc);
+ PDBG("%s alloc ep %p\n", __func__, epc);
return epc;
}
@@ -244,13 +244,13 @@
{
struct iwch_ep_common *epc;
epc = container_of(kref, struct iwch_ep_common, kref);
- PDBG("%s ep %p state %s\n", __FUNCTION__, epc, states[state_read(epc)]);
+ PDBG("%s ep %p state %s\n", __func__, epc, states[state_read(epc)]);
kfree(epc);
}
static void release_ep_resources(struct iwch_ep *ep)
{
- PDBG("%s ep %p tid %d\n", __FUNCTION__, ep, ep->hwtid);
+ PDBG("%s ep %p tid %d\n", __func__, ep, ep->hwtid);
cxgb3_remove_tid(ep->com.tdev, (void *)ep, ep->hwtid);
dst_release(ep->dst);
l2t_release(L2DATA(ep->com.tdev), ep->l2t);
@@ -349,7 +349,7 @@
static void arp_failure_discard(struct t3cdev *dev, struct sk_buff *skb)
{
- PDBG("%s t3cdev %p\n", __FUNCTION__, dev);
+ PDBG("%s t3cdev %p\n", __func__, dev);
kfree_skb(skb);
}
@@ -370,7 +370,7 @@
{
struct cpl_abort_req *req = cplhdr(skb);
- PDBG("%s t3cdev %p\n", __FUNCTION__, dev);
+ PDBG("%s t3cdev %p\n", __func__, dev);
req->cmd = CPL_ABORT_NO_RST;
cxgb3_ofld_send(dev, skb);
}
@@ -380,10 +380,10 @@
struct cpl_close_con_req *req;
struct sk_buff *skb;
- PDBG("%s ep %p\n", __FUNCTION__, ep);
+ PDBG("%s ep %p\n", __func__, ep);
skb = get_skb(NULL, sizeof(*req), gfp);
if (!skb) {
- printk(KERN_ERR MOD "%s - failed to alloc skb\n", __FUNCTION__);
+ printk(KERN_ERR MOD "%s - failed to alloc skb\n", __func__);
return -ENOMEM;
}
skb->priority = CPL_PRIORITY_DATA;
@@ -400,11 +400,11 @@
{
struct cpl_abort_req *req;
- PDBG("%s ep %p\n", __FUNCTION__, ep);
+ PDBG("%s ep %p\n", __func__, ep);
skb = get_skb(skb, sizeof(*req), gfp);
if (!skb) {
printk(KERN_ERR MOD "%s - failed to alloc skb.\n",
- __FUNCTION__);
+ __func__);
return -ENOMEM;
}
skb->priority = CPL_PRIORITY_DATA;
@@ -426,12 +426,12 @@
unsigned int mtu_idx;
int wscale;
- PDBG("%s ep %p\n", __FUNCTION__, ep);
+ PDBG("%s ep %p\n", __func__, ep);
skb = get_skb(NULL, sizeof(*req), GFP_KERNEL);
if (!skb) {
printk(KERN_ERR MOD "%s - failed to alloc skb.\n",
- __FUNCTION__);
+ __func__);
return -ENOMEM;
}
mtu_idx = find_best_mtu(T3C_DATA(ep->com.tdev), dst_mtu(ep->dst));
@@ -470,7 +470,7 @@
struct mpa_message *mpa;
int len;
- PDBG("%s ep %p pd_len %d\n", __FUNCTION__, ep, ep->plen);
+ PDBG("%s ep %p pd_len %d\n", __func__, ep, ep->plen);
BUG_ON(skb_cloned(skb));
@@ -530,13 +530,13 @@
struct mpa_message *mpa;
struct sk_buff *skb;
- PDBG("%s ep %p plen %d\n", __FUNCTION__, ep, plen);
+ PDBG("%s ep %p plen %d\n", __func__, ep, plen);
mpalen = sizeof(*mpa) + plen;
skb = get_skb(NULL, mpalen + sizeof(*req), GFP_KERNEL);
if (!skb) {
- printk(KERN_ERR MOD "%s - cannot alloc skb!\n", __FUNCTION__);
+ printk(KERN_ERR MOD "%s - cannot alloc skb!\n", __func__);
return -ENOMEM;
}
skb_reserve(skb, sizeof(*req));
@@ -580,13 +580,13 @@
int len;
struct sk_buff *skb;
- PDBG("%s ep %p plen %d\n", __FUNCTION__, ep, plen);
+ PDBG("%s ep %p plen %d\n", __func__, ep, plen);
mpalen = sizeof(*mpa) + plen;
skb = get_skb(NULL, mpalen + sizeof(*req), GFP_KERNEL);
if (!skb) {
- printk(KERN_ERR MOD "%s - cannot alloc skb!\n", __FUNCTION__);
+ printk(KERN_ERR MOD "%s - cannot alloc skb!\n", __func__);
return -ENOMEM;
}
skb->priority = CPL_PRIORITY_DATA;
@@ -630,7 +630,7 @@
struct cpl_act_establish *req = cplhdr(skb);
unsigned int tid = GET_TID(req);
- PDBG("%s ep %p tid %d\n", __FUNCTION__, ep, tid);
+ PDBG("%s ep %p tid %d\n", __func__, ep, tid);
dst_confirm(ep->dst);
@@ -663,7 +663,7 @@
{
struct iw_cm_event event;
- PDBG("%s ep %p\n", __FUNCTION__, ep);
+ PDBG("%s ep %p\n", __func__, ep);
memset(&event, 0, sizeof(event));
event.event = IW_CM_EVENT_CLOSE;
if (ep->com.cm_id) {
@@ -680,7 +680,7 @@
{
struct iw_cm_event event;
- PDBG("%s ep %p\n", __FUNCTION__, ep);
+ PDBG("%s ep %p\n", __func__, ep);
memset(&event, 0, sizeof(event));
event.event = IW_CM_EVENT_DISCONNECT;
if (ep->com.cm_id) {
@@ -694,7 +694,7 @@
{
struct iw_cm_event event;
- PDBG("%s ep %p\n", __FUNCTION__, ep);
+ PDBG("%s ep %p\n", __func__, ep);
memset(&event, 0, sizeof(event));
event.event = IW_CM_EVENT_CLOSE;
event.status = -ECONNRESET;
@@ -712,7 +712,7 @@
{
struct iw_cm_event event;
- PDBG("%s ep %p status %d\n", __FUNCTION__, ep, status);
+ PDBG("%s ep %p status %d\n", __func__, ep, status);
memset(&event, 0, sizeof(event));
event.event = IW_CM_EVENT_CONNECT_REPLY;
event.status = status;
@@ -724,7 +724,7 @@
event.private_data = ep->mpa_pkt + sizeof(struct mpa_message);
}
if (ep->com.cm_id) {
- PDBG("%s ep %p tid %d status %d\n", __FUNCTION__, ep,
+ PDBG("%s ep %p tid %d status %d\n", __func__, ep,
ep->hwtid, status);
ep->com.cm_id->event_handler(ep->com.cm_id, &event);
}
@@ -739,7 +739,7 @@
{
struct iw_cm_event event;
- PDBG("%s ep %p tid %d\n", __FUNCTION__, ep, ep->hwtid);
+ PDBG("%s ep %p tid %d\n", __func__, ep, ep->hwtid);
memset(&event, 0, sizeof(event));
event.event = IW_CM_EVENT_CONNECT_REQUEST;
event.local_addr = ep->com.local_addr;
@@ -759,11 +759,11 @@
{
struct iw_cm_event event;
- PDBG("%s ep %p\n", __FUNCTION__, ep);
+ PDBG("%s ep %p\n", __func__, ep);
memset(&event, 0, sizeof(event));
event.event = IW_CM_EVENT_ESTABLISHED;
if (ep->com.cm_id) {
- PDBG("%s ep %p tid %d\n", __FUNCTION__, ep, ep->hwtid);
+ PDBG("%s ep %p tid %d\n", __func__, ep, ep->hwtid);
ep->com.cm_id->event_handler(ep->com.cm_id, &event);
}
}
@@ -773,7 +773,7 @@
struct cpl_rx_data_ack *req;
struct sk_buff *skb;
- PDBG("%s ep %p credits %u\n", __FUNCTION__, ep, credits);
+ PDBG("%s ep %p credits %u\n", __func__, ep, credits);
skb = get_skb(NULL, sizeof(*req), GFP_KERNEL);
if (!skb) {
printk(KERN_ERR MOD "update_rx_credits - cannot alloc skb!\n");
@@ -797,7 +797,7 @@
enum iwch_qp_attr_mask mask;
int err;
- PDBG("%s ep %p\n", __FUNCTION__, ep);
+ PDBG("%s ep %p\n", __func__, ep);
/*
* Stop mpa timer. If it expired, then the state has
@@ -884,7 +884,7 @@
ep->mpa_attr.xmit_marker_enabled = mpa->flags & MPA_MARKERS ? 1 : 0;
ep->mpa_attr.version = mpa_rev;
PDBG("%s - crc_enabled=%d, recv_marker_enabled=%d, "
- "xmit_marker_enabled=%d, version=%d\n", __FUNCTION__,
+ "xmit_marker_enabled=%d, version=%d\n", __func__,
ep->mpa_attr.crc_enabled, ep->mpa_attr.recv_marker_enabled,
ep->mpa_attr.xmit_marker_enabled, ep->mpa_attr.version);
@@ -915,7 +915,7 @@
struct mpa_message *mpa;
u16 plen;
- PDBG("%s ep %p\n", __FUNCTION__, ep);
+ PDBG("%s ep %p\n", __func__, ep);
/*
* Stop mpa timer. If it expired, then the state has
@@ -935,7 +935,7 @@
return;
}
- PDBG("%s enter (%s line %u)\n", __FUNCTION__, __FILE__, __LINE__);
+ PDBG("%s enter (%s line %u)\n", __func__, __FILE__, __LINE__);
/*
* Copy the new data into our accumulation buffer.
@@ -950,7 +950,7 @@
*/
if (ep->mpa_pkt_len < sizeof(*mpa))
return;
- PDBG("%s enter (%s line %u)\n", __FUNCTION__, __FILE__, __LINE__);
+ PDBG("%s enter (%s line %u)\n", __func__, __FILE__, __LINE__);
mpa = (struct mpa_message *) ep->mpa_pkt;
/*
@@ -1000,7 +1000,7 @@
ep->mpa_attr.xmit_marker_enabled = mpa->flags & MPA_MARKERS ? 1 : 0;
ep->mpa_attr.version = mpa_rev;
PDBG("%s - crc_enabled=%d, recv_marker_enabled=%d, "
- "xmit_marker_enabled=%d, version=%d\n", __FUNCTION__,
+ "xmit_marker_enabled=%d, version=%d\n", __func__,
ep->mpa_attr.crc_enabled, ep->mpa_attr.recv_marker_enabled,
ep->mpa_attr.xmit_marker_enabled, ep->mpa_attr.version);
@@ -1017,7 +1017,7 @@
struct cpl_rx_data *hdr = cplhdr(skb);
unsigned int dlen = ntohs(hdr->len);
- PDBG("%s ep %p dlen %u\n", __FUNCTION__, ep, dlen);
+ PDBG("%s ep %p dlen %u\n", __func__, ep, dlen);
skb_pull(skb, sizeof(*hdr));
skb_trim(skb, dlen);
@@ -1037,7 +1037,7 @@
default:
printk(KERN_ERR MOD "%s Unexpected streaming data."
" ep %p state %d tid %d\n",
- __FUNCTION__, ep, state_read(&ep->com), ep->hwtid);
+ __func__, ep, state_read(&ep->com), ep->hwtid);
/*
* The ep will timeout and inform the ULP of the failure.
@@ -1063,7 +1063,7 @@
struct cpl_wr_ack *hdr = cplhdr(skb);
unsigned int credits = ntohs(hdr->credits);
- PDBG("%s ep %p credits %u\n", __FUNCTION__, ep, credits);
+ PDBG("%s ep %p credits %u\n", __func__, ep, credits);
if (credits == 0)
return CPL_RET_BUF_DONE;
@@ -1084,7 +1084,7 @@
{
struct iwch_ep *ep = ctx;
- PDBG("%s ep %p\n", __FUNCTION__, ep);
+ PDBG("%s ep %p\n", __func__, ep);
/*
* We get 2 abort replies from the HW. The first one must
@@ -1115,7 +1115,7 @@
struct iwch_ep *ep = ctx;
struct cpl_act_open_rpl *rpl = cplhdr(skb);
- PDBG("%s ep %p status %u errno %d\n", __FUNCTION__, ep, rpl->status,
+ PDBG("%s ep %p status %u errno %d\n", __func__, ep, rpl->status,
status2errno(rpl->status));
connect_reply_upcall(ep, status2errno(rpl->status));
state_set(&ep->com, DEAD);
@@ -1133,7 +1133,7 @@
struct sk_buff *skb;
struct cpl_pass_open_req *req;
- PDBG("%s ep %p\n", __FUNCTION__, ep);
+ PDBG("%s ep %p\n", __func__, ep);
skb = get_skb(NULL, sizeof(*req), GFP_KERNEL);
if (!skb) {
printk(KERN_ERR MOD "t3c_listen_start failed to alloc skb!\n");
@@ -1162,7 +1162,7 @@
struct iwch_listen_ep *ep = ctx;
struct cpl_pass_open_rpl *rpl = cplhdr(skb);
- PDBG("%s ep %p status %d error %d\n", __FUNCTION__, ep,
+ PDBG("%s ep %p status %d error %d\n", __func__, ep,
rpl->status, status2errno(rpl->status));
ep->com.rpl_err = status2errno(rpl->status);
ep->com.rpl_done = 1;
@@ -1176,10 +1176,10 @@
struct sk_buff *skb;
struct cpl_close_listserv_req *req;
- PDBG("%s ep %p\n", __FUNCTION__, ep);
+ PDBG("%s ep %p\n", __func__, ep);
skb = get_skb(NULL, sizeof(*req), GFP_KERNEL);
if (!skb) {
- printk(KERN_ERR MOD "%s - failed to alloc skb\n", __FUNCTION__);
+ printk(KERN_ERR MOD "%s - failed to alloc skb\n", __func__);
return -ENOMEM;
}
req = (struct cpl_close_listserv_req *) skb_put(skb, sizeof(*req));
@@ -1197,7 +1197,7 @@
struct iwch_listen_ep *ep = ctx;
struct cpl_close_listserv_rpl *rpl = cplhdr(skb);
- PDBG("%s ep %p\n", __FUNCTION__, ep);
+ PDBG("%s ep %p\n", __func__, ep);
ep->com.rpl_err = status2errno(rpl->status);
ep->com.rpl_done = 1;
wake_up(&ep->com.waitq);
@@ -1211,7 +1211,7 @@
u32 opt0h, opt0l, opt2;
int wscale;
- PDBG("%s ep %p\n", __FUNCTION__, ep);
+ PDBG("%s ep %p\n", __func__, ep);
BUG_ON(skb_cloned(skb));
skb_trim(skb, sizeof(*rpl));
skb_get(skb);
@@ -1244,7 +1244,7 @@
static void reject_cr(struct t3cdev *tdev, u32 hwtid, __be32 peer_ip,
struct sk_buff *skb)
{
- PDBG("%s t3cdev %p tid %u peer_ip %x\n", __FUNCTION__, tdev, hwtid,
+ PDBG("%s t3cdev %p tid %u peer_ip %x\n", __func__, tdev, hwtid,
peer_ip);
BUG_ON(skb_cloned(skb));
skb_trim(skb, sizeof(struct cpl_tid_release));
@@ -1279,11 +1279,11 @@
struct rtable *rt;
struct iff_mac tim;
- PDBG("%s parent ep %p tid %u\n", __FUNCTION__, parent_ep, hwtid);
+ PDBG("%s parent ep %p tid %u\n", __func__, parent_ep, hwtid);
if (state_read(&parent_ep->com) != LISTEN) {
printk(KERN_ERR "%s - listening ep not in LISTEN\n",
- __FUNCTION__);
+ __func__);
goto reject;
}
@@ -1295,7 +1295,7 @@
if (tdev->ctl(tdev, GET_IFF_FROM_MAC, &tim) < 0 || !tim.dev) {
printk(KERN_ERR
"%s bad dst mac %02x %02x %02x %02x %02x %02x\n",
- __FUNCTION__,
+ __func__,
req->dst_mac[0],
req->dst_mac[1],
req->dst_mac[2],
@@ -1313,21 +1313,21 @@
req->peer_port, G_PASS_OPEN_TOS(ntohl(req->tos_tid)));
if (!rt) {
printk(KERN_ERR MOD "%s - failed to find dst entry!\n",
- __FUNCTION__);
+ __func__);
goto reject;
}
dst = &rt->u.dst;
l2t = t3_l2t_get(tdev, dst->neighbour, dst->neighbour->dev);
if (!l2t) {
printk(KERN_ERR MOD "%s - failed to allocate l2t entry!\n",
- __FUNCTION__);
+ __func__);
dst_release(dst);
goto reject;
}
child_ep = alloc_ep(sizeof(*child_ep), GFP_KERNEL);
if (!child_ep) {
printk(KERN_ERR MOD "%s - failed to allocate ep entry!\n",
- __FUNCTION__);
+ __func__);
l2t_release(L2DATA(tdev), l2t);
dst_release(dst);
goto reject;
@@ -1362,7 +1362,7 @@
struct iwch_ep *ep = ctx;
struct cpl_pass_establish *req = cplhdr(skb);
- PDBG("%s ep %p\n", __FUNCTION__, ep);
+ PDBG("%s ep %p\n", __func__, ep);
ep->snd_seq = ntohl(req->snd_isn);
ep->rcv_seq = ntohl(req->rcv_isn);
@@ -1383,7 +1383,7 @@
int disconnect = 1;
int release = 0;
- PDBG("%s ep %p\n", __FUNCTION__, ep);
+ PDBG("%s ep %p\n", __func__, ep);
dst_confirm(ep->dst);
spin_lock_irqsave(&ep->com.lock, flags);
@@ -1473,7 +1473,7 @@
int state;
if (is_neg_adv_abort(req->status)) {
- PDBG("%s neg_adv_abort ep %p tid %d\n", __FUNCTION__, ep,
+ PDBG("%s neg_adv_abort ep %p tid %d\n", __func__, ep,
ep->hwtid);
t3_l2t_send_event(ep->com.tdev, ep->l2t);
return CPL_RET_BUF_DONE;
@@ -1489,7 +1489,7 @@
}
state = state_read(&ep->com);
- PDBG("%s ep %p state %u\n", __FUNCTION__, ep, state);
+ PDBG("%s ep %p state %u\n", __func__, ep, state);
switch (state) {
case CONNECTING:
break;
@@ -1528,14 +1528,14 @@
if (ret)
printk(KERN_ERR MOD
"%s - qp <- error failed!\n",
- __FUNCTION__);
+ __func__);
}
peer_abort_upcall(ep);
break;
case ABORTING:
break;
case DEAD:
- PDBG("%s PEER_ABORT IN DEAD STATE!!!!\n", __FUNCTION__);
+ PDBG("%s PEER_ABORT IN DEAD STATE!!!!\n", __func__);
return CPL_RET_BUF_DONE;
default:
BUG_ON(1);
@@ -1546,7 +1546,7 @@
rpl_skb = get_skb(skb, sizeof(*rpl), GFP_KERNEL);
if (!rpl_skb) {
printk(KERN_ERR MOD "%s - cannot allocate skb!\n",
- __FUNCTION__);
+ __func__);
dst_release(ep->dst);
l2t_release(L2DATA(ep->com.tdev), ep->l2t);
put_ep(&ep->com);
@@ -1573,7 +1573,7 @@
unsigned long flags;
int release = 0;
- PDBG("%s ep %p\n", __FUNCTION__, ep);
+ PDBG("%s ep %p\n", __func__, ep);
BUG_ON(!ep);
/* The cm_id may be null if we failed to connect */
@@ -1624,9 +1624,9 @@
{
struct iwch_ep *ep = ctx;
- PDBG("%s ep %p\n", __FUNCTION__, ep);
+ PDBG("%s ep %p\n", __func__, ep);
skb_pull(skb, sizeof(struct cpl_rdma_terminate));
- PDBG("%s saving %d bytes of term msg\n", __FUNCTION__, skb->len);
+ PDBG("%s saving %d bytes of term msg\n", __func__, skb->len);
skb_copy_from_linear_data(skb, ep->com.qp->attr.terminate_buffer,
skb->len);
ep->com.qp->attr.terminate_msg_len = skb->len;
@@ -1639,13 +1639,13 @@
struct cpl_rdma_ec_status *rep = cplhdr(skb);
struct iwch_ep *ep = ctx;
- PDBG("%s ep %p tid %u status %d\n", __FUNCTION__, ep, ep->hwtid,
+ PDBG("%s ep %p tid %u status %d\n", __func__, ep, ep->hwtid,
rep->status);
if (rep->status) {
struct iwch_qp_attributes attrs;
printk(KERN_ERR MOD "%s BAD CLOSE - Aborting tid %u\n",
- __FUNCTION__, ep->hwtid);
+ __func__, ep->hwtid);
stop_ep_timer(ep);
attrs.next_state = IWCH_QP_STATE_ERROR;
iwch_modify_qp(ep->com.qp->rhp,
@@ -1663,7 +1663,7 @@
unsigned long flags;
spin_lock_irqsave(&ep->com.lock, flags);
- PDBG("%s ep %p tid %u state %d\n", __FUNCTION__, ep, ep->hwtid,
+ PDBG("%s ep %p tid %u state %d\n", __func__, ep, ep->hwtid,
ep->com.state);
switch (ep->com.state) {
case MPA_REQ_SENT:
@@ -1693,7 +1693,7 @@
{
int err;
struct iwch_ep *ep = to_ep(cm_id);
- PDBG("%s ep %p tid %u\n", __FUNCTION__, ep, ep->hwtid);
+ PDBG("%s ep %p tid %u\n", __func__, ep, ep->hwtid);
if (state_read(&ep->com) == DEAD) {
put_ep(&ep->com);
@@ -1718,7 +1718,7 @@
struct iwch_dev *h = to_iwch_dev(cm_id->device);
struct iwch_qp *qp = get_qhp(h, conn_param->qpn);
- PDBG("%s ep %p tid %u\n", __FUNCTION__, ep, ep->hwtid);
+ PDBG("%s ep %p tid %u\n", __func__, ep, ep->hwtid);
if (state_read(&ep->com) == DEAD)
return -ECONNRESET;
@@ -1739,7 +1739,7 @@
ep->com.rpl_err = 0;
ep->ird = conn_param->ird;
ep->ord = conn_param->ord;
- PDBG("%s %d ird %d ord %d\n", __FUNCTION__, __LINE__, ep->ird, ep->ord);
+ PDBG("%s %d ird %d ord %d\n", __func__, __LINE__, ep->ird, ep->ord);
get_ep(&ep->com);
@@ -1810,7 +1810,7 @@
ep = alloc_ep(sizeof(*ep), GFP_KERNEL);
if (!ep) {
- printk(KERN_ERR MOD "%s - cannot alloc ep.\n", __FUNCTION__);
+ printk(KERN_ERR MOD "%s - cannot alloc ep.\n", __func__);
err = -ENOMEM;
goto out;
}
@@ -1827,7 +1827,7 @@
ep->com.cm_id = cm_id;
ep->com.qp = get_qhp(h, conn_param->qpn);
BUG_ON(!ep->com.qp);
- PDBG("%s qpn 0x%x qp %p cm_id %p\n", __FUNCTION__, conn_param->qpn,
+ PDBG("%s qpn 0x%x qp %p cm_id %p\n", __func__, conn_param->qpn,
ep->com.qp, cm_id);
/*
@@ -1835,7 +1835,7 @@
*/
ep->atid = cxgb3_alloc_atid(h->rdev.t3cdev_p, &t3c_client, ep);
if (ep->atid == -1) {
- printk(KERN_ERR MOD "%s - cannot alloc atid.\n", __FUNCTION__);
+ printk(KERN_ERR MOD "%s - cannot alloc atid.\n", __func__);
err = -ENOMEM;
goto fail2;
}
@@ -1847,7 +1847,7 @@
cm_id->local_addr.sin_port,
cm_id->remote_addr.sin_port, IPTOS_LOWDELAY);
if (!rt) {
- printk(KERN_ERR MOD "%s - cannot find route.\n", __FUNCTION__);
+ printk(KERN_ERR MOD "%s - cannot find route.\n", __func__);
err = -EHOSTUNREACH;
goto fail3;
}
@@ -1857,7 +1857,7 @@
ep->l2t = t3_l2t_get(ep->com.tdev, ep->dst->neighbour,
ep->dst->neighbour->dev);
if (!ep->l2t) {
- printk(KERN_ERR MOD "%s - cannot alloc l2e.\n", __FUNCTION__);
+ printk(KERN_ERR MOD "%s - cannot alloc l2e.\n", __func__);
err = -ENOMEM;
goto fail4;
}
@@ -1894,11 +1894,11 @@
ep = alloc_ep(sizeof(*ep), GFP_KERNEL);
if (!ep) {
- printk(KERN_ERR MOD "%s - cannot alloc ep.\n", __FUNCTION__);
+ printk(KERN_ERR MOD "%s - cannot alloc ep.\n", __func__);
err = -ENOMEM;
goto fail1;
}
- PDBG("%s ep %p\n", __FUNCTION__, ep);
+ PDBG("%s ep %p\n", __func__, ep);
ep->com.tdev = h->rdev.t3cdev_p;
cm_id->add_ref(cm_id);
ep->com.cm_id = cm_id;
@@ -1910,7 +1910,7 @@
*/
ep->stid = cxgb3_alloc_stid(h->rdev.t3cdev_p, &t3c_client, ep);
if (ep->stid == -1) {
- printk(KERN_ERR MOD "%s - cannot alloc atid.\n", __FUNCTION__);
+ printk(KERN_ERR MOD "%s - cannot alloc atid.\n", __func__);
err = -ENOMEM;
goto fail2;
}
@@ -1942,7 +1942,7 @@
int err;
struct iwch_listen_ep *ep = to_listen_ep(cm_id);
- PDBG("%s ep %p\n", __FUNCTION__, ep);
+ PDBG("%s ep %p\n", __func__, ep);
might_sleep();
state_set(&ep->com, DEAD);
@@ -1965,11 +1965,11 @@
spin_lock_irqsave(&ep->com.lock, flags);
- PDBG("%s ep %p state %s, abrupt %d\n", __FUNCTION__, ep,
+ PDBG("%s ep %p state %s, abrupt %d\n", __func__, ep,
states[ep->com.state], abrupt);
if (ep->com.state == DEAD) {
- PDBG("%s already dead ep %p\n", __FUNCTION__, ep);
+ PDBG("%s already dead ep %p\n", __func__, ep);
goto out;
}
@@ -2020,7 +2020,7 @@
if (ep->dst != old)
return 0;
- PDBG("%s ep %p redirect to dst %p l2t %p\n", __FUNCTION__, ep, new,
+ PDBG("%s ep %p redirect to dst %p l2t %p\n", __func__, ep, new,
l2t);
dst_hold(new);
l2t_release(L2DATA(ep->com.tdev), ep->l2t);
diff --git a/drivers/infiniband/hw/cxgb3/iwch_cm.h b/drivers/infiniband/hw/cxgb3/iwch_cm.h
index 6107e7c..2bb7fbd 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_cm.h
+++ b/drivers/infiniband/hw/cxgb3/iwch_cm.h
@@ -54,13 +54,13 @@
#define MPA_FLAGS_MASK 0xE0
#define put_ep(ep) { \
- PDBG("put_ep (via %s:%u) ep %p refcnt %d\n", __FUNCTION__, __LINE__, \
+ PDBG("put_ep (via %s:%u) ep %p refcnt %d\n", __func__, __LINE__, \
ep, atomic_read(&((ep)->kref.refcount))); \
kref_put(&((ep)->kref), __free_ep); \
}
#define get_ep(ep) { \
- PDBG("get_ep (via %s:%u) ep %p, refcnt %d\n", __FUNCTION__, __LINE__, \
+ PDBG("get_ep (via %s:%u) ep %p, refcnt %d\n", __func__, __LINE__, \
ep, atomic_read(&((ep)->kref.refcount))); \
kref_get(&((ep)->kref)); \
}
diff --git a/drivers/infiniband/hw/cxgb3/iwch_cq.c b/drivers/infiniband/hw/cxgb3/iwch_cq.c
index d7624c1..4ee8ccd 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_cq.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_cq.c
@@ -67,7 +67,7 @@
ret = cxio_poll_cq(wq, &(chp->cq), &cqe, &cqe_flushed, &cookie,
&credit);
if (t3a_device(chp->rhp) && credit) {
- PDBG("%s updating %d cq credits on id %d\n", __FUNCTION__,
+ PDBG("%s updating %d cq credits on id %d\n", __func__,
credit, chp->cq.cqid);
cxio_hal_cq_op(&rhp->rdev, &chp->cq, CQ_CREDIT_UPDATE, credit);
}
@@ -83,7 +83,7 @@
wc->vendor_err = CQE_STATUS(cqe);
PDBG("%s qpid 0x%x type %d opcode %d status 0x%x wrid hi 0x%x "
- "lo 0x%x cookie 0x%llx\n", __FUNCTION__,
+ "lo 0x%x cookie 0x%llx\n", __func__,
CQE_QPID(cqe), CQE_TYPE(cqe),
CQE_OPCODE(cqe), CQE_STATUS(cqe), CQE_WRID_HI(cqe),
CQE_WRID_LOW(cqe), (unsigned long long) cookie);
diff --git a/drivers/infiniband/hw/cxgb3/iwch_ev.c b/drivers/infiniband/hw/cxgb3/iwch_ev.c
index b406766..7b67a67 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_ev.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_ev.c
@@ -52,7 +52,7 @@
if (!qhp) {
printk(KERN_ERR "%s unaffiliated error 0x%x qpid 0x%x\n",
- __FUNCTION__, CQE_STATUS(rsp_msg->cqe),
+ __func__, CQE_STATUS(rsp_msg->cqe),
CQE_QPID(rsp_msg->cqe));
spin_unlock(&rnicp->lock);
return;
@@ -61,14 +61,14 @@
if ((qhp->attr.state == IWCH_QP_STATE_ERROR) ||
(qhp->attr.state == IWCH_QP_STATE_TERMINATE)) {
PDBG("%s AE received after RTS - "
- "qp state %d qpid 0x%x status 0x%x\n", __FUNCTION__,
+ "qp state %d qpid 0x%x status 0x%x\n", __func__,
qhp->attr.state, qhp->wq.qpid, CQE_STATUS(rsp_msg->cqe));
spin_unlock(&rnicp->lock);
return;
}
printk(KERN_ERR "%s - AE qpid 0x%x opcode %d status 0x%x "
- "type %d wrid.hi 0x%x wrid.lo 0x%x \n", __FUNCTION__,
+ "type %d wrid.hi 0x%x wrid.lo 0x%x \n", __func__,
CQE_QPID(rsp_msg->cqe), CQE_OPCODE(rsp_msg->cqe),
CQE_STATUS(rsp_msg->cqe), CQE_TYPE(rsp_msg->cqe),
CQE_WRID_HI(rsp_msg->cqe), CQE_WRID_LOW(rsp_msg->cqe));
@@ -132,10 +132,10 @@
(CQE_STATUS(rsp_msg->cqe) == 0)) {
if (SQ_TYPE(rsp_msg->cqe)) {
PDBG("%s QPID 0x%x ep %p disconnecting\n",
- __FUNCTION__, qhp->wq.qpid, qhp->ep);
+ __func__, qhp->wq.qpid, qhp->ep);
iwch_ep_disconnect(qhp->ep, 0, GFP_ATOMIC);
} else {
- PDBG("%s post REQ_ERR AE QPID 0x%x\n", __FUNCTION__,
+ PDBG("%s post REQ_ERR AE QPID 0x%x\n", __func__,
qhp->wq.qpid);
post_qp_event(rnicp, chp, rsp_msg,
IB_EVENT_QP_REQ_ERR, 0);
@@ -180,7 +180,7 @@
case TPT_ERR_INVALIDATE_SHARED_MR:
case TPT_ERR_INVALIDATE_MR_WITH_MW_BOUND:
printk(KERN_ERR "%s - CQE Err qpid 0x%x opcode %d status 0x%x "
- "type %d wrid.hi 0x%x wrid.lo 0x%x \n", __FUNCTION__,
+ "type %d wrid.hi 0x%x wrid.lo 0x%x \n", __func__,
CQE_QPID(rsp_msg->cqe), CQE_OPCODE(rsp_msg->cqe),
CQE_STATUS(rsp_msg->cqe), CQE_TYPE(rsp_msg->cqe),
CQE_WRID_HI(rsp_msg->cqe), CQE_WRID_LOW(rsp_msg->cqe));
diff --git a/drivers/infiniband/hw/cxgb3/iwch_mem.c b/drivers/infiniband/hw/cxgb3/iwch_mem.c
index b8797c6..58c3d61 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_mem.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_mem.c
@@ -62,7 +62,7 @@
mmid = stag >> 8;
mhp->ibmr.rkey = mhp->ibmr.lkey = stag;
insert_handle(rhp, &rhp->mmidr, mhp, mmid);
- PDBG("%s mmid 0x%x mhp %p\n", __FUNCTION__, mmid, mhp);
+ PDBG("%s mmid 0x%x mhp %p\n", __func__, mmid, mhp);
return 0;
}
@@ -96,7 +96,7 @@
mmid = stag >> 8;
mhp->ibmr.rkey = mhp->ibmr.lkey = stag;
insert_handle(rhp, &rhp->mmidr, mhp, mmid);
- PDBG("%s mmid 0x%x mhp %p\n", __FUNCTION__, mmid, mhp);
+ PDBG("%s mmid 0x%x mhp %p\n", __func__, mmid, mhp);
return 0;
}
@@ -163,7 +163,7 @@
((u64) j << *shift));
PDBG("%s va 0x%llx mask 0x%llx shift %d len %lld pbl_size %d\n",
- __FUNCTION__, (unsigned long long) *iova_start,
+ __func__, (unsigned long long) *iova_start,
(unsigned long long) mask, *shift, (unsigned long long) *total_size,
*npages);
diff --git a/drivers/infiniband/hw/cxgb3/iwch_provider.c b/drivers/infiniband/hw/cxgb3/iwch_provider.c
index b2ea921..ca72654 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_provider.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_provider.c
@@ -101,7 +101,7 @@
struct iwch_ucontext *ucontext = to_iwch_ucontext(context);
struct iwch_mm_entry *mm, *tmp;
- PDBG("%s context %p\n", __FUNCTION__, context);
+ PDBG("%s context %p\n", __func__, context);
list_for_each_entry_safe(mm, tmp, &ucontext->mmaps, entry)
kfree(mm);
cxio_release_ucontext(&rhp->rdev, &ucontext->uctx);
@@ -115,7 +115,7 @@
struct iwch_ucontext *context;
struct iwch_dev *rhp = to_iwch_dev(ibdev);
- PDBG("%s ibdev %p\n", __FUNCTION__, ibdev);
+ PDBG("%s ibdev %p\n", __func__, ibdev);
context = kzalloc(sizeof(*context), GFP_KERNEL);
if (!context)
return ERR_PTR(-ENOMEM);
@@ -129,7 +129,7 @@
{
struct iwch_cq *chp;
- PDBG("%s ib_cq %p\n", __FUNCTION__, ib_cq);
+ PDBG("%s ib_cq %p\n", __func__, ib_cq);
chp = to_iwch_cq(ib_cq);
remove_handle(chp->rhp, &chp->rhp->cqidr, chp->cq.cqid);
@@ -151,7 +151,7 @@
struct iwch_create_cq_req ureq;
struct iwch_ucontext *ucontext = NULL;
- PDBG("%s ib_dev %p entries %d\n", __FUNCTION__, ibdev, entries);
+ PDBG("%s ib_dev %p entries %d\n", __func__, ibdev, entries);
rhp = to_iwch_dev(ibdev);
chp = kzalloc(sizeof(*chp), GFP_KERNEL);
if (!chp)
@@ -233,7 +233,7 @@
struct t3_cq oldcq, newcq;
int ret;
- PDBG("%s ib_cq %p cqe %d\n", __FUNCTION__, cq, cqe);
+ PDBG("%s ib_cq %p cqe %d\n", __func__, cq, cqe);
/* We don't downsize... */
if (cqe <= cq->cqe)
@@ -281,7 +281,7 @@
ret = cxio_destroy_cq(&chp->rhp->rdev, &oldcq);
if (ret) {
printk(KERN_ERR MOD "%s - cxio_destroy_cq failed %d\n",
- __FUNCTION__, ret);
+ __func__, ret);
}
/* add user hooks here */
@@ -316,7 +316,7 @@
chp->cq.rptr = rptr;
} else
spin_lock_irqsave(&chp->lock, flag);
- PDBG("%s rptr 0x%x\n", __FUNCTION__, chp->cq.rptr);
+ PDBG("%s rptr 0x%x\n", __func__, chp->cq.rptr);
err = cxio_hal_cq_op(&rhp->rdev, &chp->cq, cq_op, 0);
spin_unlock_irqrestore(&chp->lock, flag);
if (err < 0)
@@ -337,7 +337,7 @@
struct iwch_ucontext *ucontext;
u64 addr;
- PDBG("%s pgoff 0x%lx key 0x%x len %d\n", __FUNCTION__, vma->vm_pgoff,
+ PDBG("%s pgoff 0x%lx key 0x%x len %d\n", __func__, vma->vm_pgoff,
key, len);
if (vma->vm_start & (PAGE_SIZE-1)) {
@@ -390,7 +390,7 @@
php = to_iwch_pd(pd);
rhp = php->rhp;
- PDBG("%s ibpd %p pdid 0x%x\n", __FUNCTION__, pd, php->pdid);
+ PDBG("%s ibpd %p pdid 0x%x\n", __func__, pd, php->pdid);
cxio_hal_put_pdid(rhp->rdev.rscp, php->pdid);
kfree(php);
return 0;
@@ -404,7 +404,7 @@
u32 pdid;
struct iwch_dev *rhp;
- PDBG("%s ibdev %p\n", __FUNCTION__, ibdev);
+ PDBG("%s ibdev %p\n", __func__, ibdev);
rhp = (struct iwch_dev *) ibdev;
pdid = cxio_hal_get_pdid(rhp->rdev.rscp);
if (!pdid)
@@ -422,7 +422,7 @@
return ERR_PTR(-EFAULT);
}
}
- PDBG("%s pdid 0x%0x ptr 0x%p\n", __FUNCTION__, pdid, php);
+ PDBG("%s pdid 0x%0x ptr 0x%p\n", __func__, pdid, php);
return &php->ibpd;
}
@@ -432,7 +432,7 @@
struct iwch_mr *mhp;
u32 mmid;
- PDBG("%s ib_mr %p\n", __FUNCTION__, ib_mr);
+ PDBG("%s ib_mr %p\n", __func__, ib_mr);
/* There can be no memory windows */
if (atomic_read(&ib_mr->usecnt))
return -EINVAL;
@@ -447,7 +447,7 @@
kfree((void *) (unsigned long) mhp->kva);
if (mhp->umem)
ib_umem_release(mhp->umem);
- PDBG("%s mmid 0x%x ptr %p\n", __FUNCTION__, mmid, mhp);
+ PDBG("%s mmid 0x%x ptr %p\n", __func__, mmid, mhp);
kfree(mhp);
return 0;
}
@@ -467,7 +467,7 @@
struct iwch_mr *mhp;
int ret;
- PDBG("%s ib_pd %p\n", __FUNCTION__, pd);
+ PDBG("%s ib_pd %p\n", __func__, pd);
php = to_iwch_pd(pd);
rhp = php->rhp;
@@ -531,7 +531,7 @@
int npages;
int ret;
- PDBG("%s ib_mr %p ib_pd %p\n", __FUNCTION__, mr, pd);
+ PDBG("%s ib_mr %p ib_pd %p\n", __func__, mr, pd);
/* There can be no memory windows */
if (atomic_read(&mr->usecnt))
@@ -594,7 +594,7 @@
struct iwch_mr *mhp;
struct iwch_reg_user_mr_resp uresp;
- PDBG("%s ib_pd %p\n", __FUNCTION__, pd);
+ PDBG("%s ib_pd %p\n", __func__, pd);
php = to_iwch_pd(pd);
rhp = php->rhp;
@@ -649,7 +649,7 @@
if (udata && !t3a_device(rhp)) {
uresp.pbl_addr = (mhp->attr.pbl_addr -
rhp->rdev.rnic_info.pbl_base) >> 3;
- PDBG("%s user resp pbl_addr 0x%x\n", __FUNCTION__,
+ PDBG("%s user resp pbl_addr 0x%x\n", __func__,
uresp.pbl_addr);
if (ib_copy_to_udata(udata, &uresp, sizeof (uresp))) {
@@ -673,7 +673,7 @@
u64 kva;
struct ib_mr *ibmr;
- PDBG("%s ib_pd %p\n", __FUNCTION__, pd);
+ PDBG("%s ib_pd %p\n", __func__, pd);
/*
* T3 only supports 32 bits of size.
@@ -710,7 +710,7 @@
mhp->attr.stag = stag;
mmid = (stag) >> 8;
insert_handle(rhp, &rhp->mmidr, mhp, mmid);
- PDBG("%s mmid 0x%x mhp %p stag 0x%x\n", __FUNCTION__, mmid, mhp, stag);
+ PDBG("%s mmid 0x%x mhp %p stag 0x%x\n", __func__, mmid, mhp, stag);
return &(mhp->ibmw);
}
@@ -726,7 +726,7 @@
cxio_deallocate_window(&rhp->rdev, mhp->attr.stag);
remove_handle(rhp, &rhp->mmidr, mmid);
kfree(mhp);
- PDBG("%s ib_mw %p mmid 0x%x ptr %p\n", __FUNCTION__, mw, mmid, mhp);
+ PDBG("%s ib_mw %p mmid 0x%x ptr %p\n", __func__, mw, mmid, mhp);
return 0;
}
@@ -754,7 +754,7 @@
cxio_destroy_qp(&rhp->rdev, &qhp->wq,
ucontext ? &ucontext->uctx : &rhp->rdev.uctx);
- PDBG("%s ib_qp %p qpid 0x%0x qhp %p\n", __FUNCTION__,
+ PDBG("%s ib_qp %p qpid 0x%0x qhp %p\n", __func__,
ib_qp, qhp->wq.qpid, qhp);
kfree(qhp);
return 0;
@@ -773,7 +773,7 @@
int wqsize, sqsize, rqsize;
struct iwch_ucontext *ucontext;
- PDBG("%s ib_pd %p\n", __FUNCTION__, pd);
+ PDBG("%s ib_pd %p\n", __func__, pd);
if (attrs->qp_type != IB_QPT_RC)
return ERR_PTR(-EINVAL);
php = to_iwch_pd(pd);
@@ -805,7 +805,7 @@
*/
sqsize = roundup_pow_of_two(attrs->cap.max_send_wr);
wqsize = roundup_pow_of_two(rqsize + sqsize);
- PDBG("%s wqsize %d sqsize %d rqsize %d\n", __FUNCTION__,
+ PDBG("%s wqsize %d sqsize %d rqsize %d\n", __func__,
wqsize, sqsize, rqsize);
qhp = kzalloc(sizeof(*qhp), GFP_KERNEL);
if (!qhp)
@@ -898,7 +898,7 @@
init_timer(&(qhp->timer));
PDBG("%s sq_num_entries %d, rq_num_entries %d "
"qpid 0x%0x qhp %p dma_addr 0x%llx size %d\n",
- __FUNCTION__, qhp->attr.sq_num_entries, qhp->attr.rq_num_entries,
+ __func__, qhp->attr.sq_num_entries, qhp->attr.rq_num_entries,
qhp->wq.qpid, qhp, (unsigned long long) qhp->wq.dma_addr,
1 << qhp->wq.size_log2);
return &qhp->ibqp;
@@ -912,7 +912,7 @@
enum iwch_qp_attr_mask mask = 0;
struct iwch_qp_attributes attrs;
- PDBG("%s ib_qp %p\n", __FUNCTION__, ibqp);
+ PDBG("%s ib_qp %p\n", __func__, ibqp);
/* iwarp does not support the RTR state */
if ((attr_mask & IB_QP_STATE) && (attr->qp_state == IB_QPS_RTR))
@@ -945,20 +945,20 @@
void iwch_qp_add_ref(struct ib_qp *qp)
{
- PDBG("%s ib_qp %p\n", __FUNCTION__, qp);
+ PDBG("%s ib_qp %p\n", __func__, qp);
atomic_inc(&(to_iwch_qp(qp)->refcnt));
}
void iwch_qp_rem_ref(struct ib_qp *qp)
{
- PDBG("%s ib_qp %p\n", __FUNCTION__, qp);
+ PDBG("%s ib_qp %p\n", __func__, qp);
if (atomic_dec_and_test(&(to_iwch_qp(qp)->refcnt)))
wake_up(&(to_iwch_qp(qp)->wait));
}
static struct ib_qp *iwch_get_qp(struct ib_device *dev, int qpn)
{
- PDBG("%s ib_dev %p qpn 0x%x\n", __FUNCTION__, dev, qpn);
+ PDBG("%s ib_dev %p qpn 0x%x\n", __func__, dev, qpn);
return (struct ib_qp *)get_qhp(to_iwch_dev(dev), qpn);
}
@@ -966,7 +966,7 @@
static int iwch_query_pkey(struct ib_device *ibdev,
u8 port, u16 index, u16 * pkey)
{
- PDBG("%s ibdev %p\n", __FUNCTION__, ibdev);
+ PDBG("%s ibdev %p\n", __func__, ibdev);
*pkey = 0;
return 0;
}
@@ -977,7 +977,7 @@
struct iwch_dev *dev;
PDBG("%s ibdev %p, port %d, index %d, gid %p\n",
- __FUNCTION__, ibdev, port, index, gid);
+ __func__, ibdev, port, index, gid);
dev = to_iwch_dev(ibdev);
BUG_ON(port == 0 || port > 2);
memset(&(gid->raw[0]), 0, sizeof(gid->raw));
@@ -990,7 +990,7 @@
{
struct iwch_dev *dev;
- PDBG("%s ibdev %p\n", __FUNCTION__, ibdev);
+ PDBG("%s ibdev %p\n", __func__, ibdev);
dev = to_iwch_dev(ibdev);
memset(props, 0, sizeof *props);
@@ -1017,7 +1017,7 @@
static int iwch_query_port(struct ib_device *ibdev,
u8 port, struct ib_port_attr *props)
{
- PDBG("%s ibdev %p\n", __FUNCTION__, ibdev);
+ PDBG("%s ibdev %p\n", __func__, ibdev);
props->max_mtu = IB_MTU_4096;
props->lid = 0;
props->lmc = 0;
@@ -1045,7 +1045,7 @@
{
struct iwch_dev *dev = container_of(cdev, struct iwch_dev,
ibdev.class_dev);
- PDBG("%s class dev 0x%p\n", __FUNCTION__, cdev);
+ PDBG("%s class dev 0x%p\n", __func__, cdev);
return sprintf(buf, "%d\n", dev->rdev.t3cdev_p->type);
}
@@ -1056,7 +1056,7 @@
struct ethtool_drvinfo info;
struct net_device *lldev = dev->rdev.t3cdev_p->lldev;
- PDBG("%s class dev 0x%p\n", __FUNCTION__, cdev);
+ PDBG("%s class dev 0x%p\n", __func__, cdev);
rtnl_lock();
lldev->ethtool_ops->get_drvinfo(lldev, &info);
rtnl_unlock();
@@ -1070,7 +1070,7 @@
struct ethtool_drvinfo info;
struct net_device *lldev = dev->rdev.t3cdev_p->lldev;
- PDBG("%s class dev 0x%p\n", __FUNCTION__, cdev);
+ PDBG("%s class dev 0x%p\n", __func__, cdev);
rtnl_lock();
lldev->ethtool_ops->get_drvinfo(lldev, &info);
rtnl_unlock();
@@ -1081,7 +1081,7 @@
{
struct iwch_dev *dev = container_of(cdev, struct iwch_dev,
ibdev.class_dev);
- PDBG("%s class dev 0x%p\n", __FUNCTION__, dev);
+ PDBG("%s class dev 0x%p\n", __func__, dev);
return sprintf(buf, "%x.%x\n", dev->rdev.rnic_info.pdev->vendor,
dev->rdev.rnic_info.pdev->device);
}
@@ -1103,14 +1103,13 @@
int ret;
int i;
- PDBG("%s iwch_dev %p\n", __FUNCTION__, dev);
+ PDBG("%s iwch_dev %p\n", __func__, dev);
strlcpy(dev->ibdev.name, "cxgb3_%d", IB_DEVICE_NAME_MAX);
memset(&dev->ibdev.node_guid, 0, sizeof(dev->ibdev.node_guid));
memcpy(&dev->ibdev.node_guid, dev->rdev.t3cdev_p->lldev->dev_addr, 6);
dev->ibdev.owner = THIS_MODULE;
dev->device_cap_flags =
- (IB_DEVICE_ZERO_STAG |
- IB_DEVICE_SEND_W_INV | IB_DEVICE_MEM_WINDOW);
+ (IB_DEVICE_ZERO_STAG | IB_DEVICE_MEM_WINDOW);
dev->ibdev.uverbs_cmd_mask =
(1ull << IB_USER_VERBS_CMD_GET_CONTEXT) |
@@ -1207,7 +1206,7 @@
{
int i;
- PDBG("%s iwch_dev %p\n", __FUNCTION__, dev);
+ PDBG("%s iwch_dev %p\n", __func__, dev);
for (i = 0; i < ARRAY_SIZE(iwch_class_attributes); ++i)
class_device_remove_file(&dev->ibdev.class_dev,
iwch_class_attributes[i]);
diff --git a/drivers/infiniband/hw/cxgb3/iwch_provider.h b/drivers/infiniband/hw/cxgb3/iwch_provider.h
index 48833f3..61356f9 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_provider.h
+++ b/drivers/infiniband/hw/cxgb3/iwch_provider.h
@@ -213,7 +213,7 @@
if (mm->key == key && mm->len == len) {
list_del_init(&mm->entry);
spin_unlock(&ucontext->mmap_lock);
- PDBG("%s key 0x%x addr 0x%llx len %d\n", __FUNCTION__,
+ PDBG("%s key 0x%x addr 0x%llx len %d\n", __func__,
key, (unsigned long long) mm->addr, mm->len);
return mm;
}
@@ -226,7 +226,7 @@
struct iwch_mm_entry *mm)
{
spin_lock(&ucontext->mmap_lock);
- PDBG("%s key 0x%x addr 0x%llx len %d\n", __FUNCTION__,
+ PDBG("%s key 0x%x addr 0x%llx len %d\n", __func__,
mm->key, (unsigned long long) mm->addr, mm->len);
list_add_tail(&mm->entry, &ucontext->mmaps);
spin_unlock(&ucontext->mmap_lock);
diff --git a/drivers/infiniband/hw/cxgb3/iwch_qp.c b/drivers/infiniband/hw/cxgb3/iwch_qp.c
index ea2cdd7..8891c3b 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_qp.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_qp.c
@@ -72,7 +72,7 @@
wqe->send.reserved[2] = 0;
if (wr->opcode == IB_WR_SEND_WITH_IMM) {
plen = 4;
- wqe->send.sgl[0].stag = wr->imm_data;
+ wqe->send.sgl[0].stag = wr->ex.imm_data;
wqe->send.sgl[0].len = __constant_cpu_to_be32(0);
wqe->send.num_sgle = __constant_cpu_to_be32(0);
*flit_cnt = 5;
@@ -112,7 +112,7 @@
if (wr->opcode == IB_WR_RDMA_WRITE_WITH_IMM) {
plen = 4;
- wqe->write.sgl[0].stag = wr->imm_data;
+ wqe->write.sgl[0].stag = wr->ex.imm_data;
wqe->write.sgl[0].len = __constant_cpu_to_be32(0);
wqe->write.num_sgle = __constant_cpu_to_be32(0);
*flit_cnt = 6;
@@ -168,30 +168,30 @@
mhp = get_mhp(rhp, (sg_list[i].lkey) >> 8);
if (!mhp) {
- PDBG("%s %d\n", __FUNCTION__, __LINE__);
+ PDBG("%s %d\n", __func__, __LINE__);
return -EIO;
}
if (!mhp->attr.state) {
- PDBG("%s %d\n", __FUNCTION__, __LINE__);
+ PDBG("%s %d\n", __func__, __LINE__);
return -EIO;
}
if (mhp->attr.zbva) {
- PDBG("%s %d\n", __FUNCTION__, __LINE__);
+ PDBG("%s %d\n", __func__, __LINE__);
return -EIO;
}
if (sg_list[i].addr < mhp->attr.va_fbo) {
- PDBG("%s %d\n", __FUNCTION__, __LINE__);
+ PDBG("%s %d\n", __func__, __LINE__);
return -EINVAL;
}
if (sg_list[i].addr + ((u64) sg_list[i].length) <
sg_list[i].addr) {
- PDBG("%s %d\n", __FUNCTION__, __LINE__);
+ PDBG("%s %d\n", __func__, __LINE__);
return -EINVAL;
}
if (sg_list[i].addr + ((u64) sg_list[i].length) >
mhp->attr.va_fbo + ((u64) mhp->attr.len)) {
- PDBG("%s %d\n", __FUNCTION__, __LINE__);
+ PDBG("%s %d\n", __func__, __LINE__);
return -EINVAL;
}
offset = sg_list[i].addr - mhp->attr.va_fbo;
@@ -290,7 +290,7 @@
qhp->wq.oldest_read = sqp;
break;
default:
- PDBG("%s post of type=%d TBD!\n", __FUNCTION__,
+ PDBG("%s post of type=%d TBD!\n", __func__,
wr->opcode);
err = -EINVAL;
}
@@ -309,7 +309,7 @@
Q_GENBIT(qhp->wq.wptr, qhp->wq.size_log2),
0, t3_wr_flit_cnt);
PDBG("%s cookie 0x%llx wq idx 0x%x swsq idx %ld opcode %d\n",
- __FUNCTION__, (unsigned long long) wr->wr_id, idx,
+ __func__, (unsigned long long) wr->wr_id, idx,
Q_PTR2IDX(qhp->wq.sq_wptr, qhp->wq.sq_size_log2),
sqp->opcode);
wr = wr->next;
@@ -361,7 +361,7 @@
Q_GENBIT(qhp->wq.wptr, qhp->wq.size_log2),
0, sizeof(struct t3_receive_wr) >> 3);
PDBG("%s cookie 0x%llx idx 0x%x rq_wptr 0x%x rw_rptr 0x%x "
- "wqe %p \n", __FUNCTION__, (unsigned long long) wr->wr_id,
+ "wqe %p \n", __func__, (unsigned long long) wr->wr_id,
idx, qhp->wq.rq_wptr, qhp->wq.rq_rptr, wqe);
++(qhp->wq.rq_wptr);
++(qhp->wq.wptr);
@@ -407,7 +407,7 @@
return -ENOMEM;
}
idx = Q_PTR2IDX(qhp->wq.wptr, qhp->wq.size_log2);
- PDBG("%s: idx 0x%0x, mw 0x%p, mw_bind 0x%p\n", __FUNCTION__, idx,
+ PDBG("%s: idx 0x%0x, mw 0x%p, mw_bind 0x%p\n", __func__, idx,
mw, mw_bind);
wqe = (union t3_wr *) (qhp->wq.queue + idx);
@@ -595,10 +595,10 @@
struct terminate_message *term;
struct sk_buff *skb;
- PDBG("%s %d\n", __FUNCTION__, __LINE__);
+ PDBG("%s %d\n", __func__, __LINE__);
skb = alloc_skb(40, GFP_ATOMIC);
if (!skb) {
- printk(KERN_ERR "%s cannot send TERMINATE!\n", __FUNCTION__);
+ printk(KERN_ERR "%s cannot send TERMINATE!\n", __func__);
return -ENOMEM;
}
wqe = (union t3_wr *)skb_put(skb, 40);
@@ -629,7 +629,7 @@
rchp = get_chp(qhp->rhp, qhp->attr.rcq);
schp = get_chp(qhp->rhp, qhp->attr.scq);
- PDBG("%s qhp %p rchp %p schp %p\n", __FUNCTION__, qhp, rchp, schp);
+ PDBG("%s qhp %p rchp %p schp %p\n", __func__, qhp, rchp, schp);
/* take a ref on the qhp since we must release the lock */
atomic_inc(&qhp->refcnt);
spin_unlock_irqrestore(&qhp->lock, *flag);
@@ -720,11 +720,11 @@
init_attr.flags |= capable(CAP_NET_BIND_SERVICE) ? PRIV_QP : 0;
init_attr.irs = qhp->ep->rcv_seq;
PDBG("%s init_attr.rq_addr 0x%x init_attr.rq_size = %d "
- "flags 0x%x qpcaps 0x%x\n", __FUNCTION__,
+ "flags 0x%x qpcaps 0x%x\n", __func__,
init_attr.rq_addr, init_attr.rq_size,
init_attr.flags, init_attr.qpcaps);
ret = cxio_rdma_init(&rhp->rdev, &init_attr);
- PDBG("%s ret %d\n", __FUNCTION__, ret);
+ PDBG("%s ret %d\n", __func__, ret);
return ret;
}
@@ -742,7 +742,7 @@
int free = 0;
struct iwch_ep *ep = NULL;
- PDBG("%s qhp %p qpid 0x%x ep %p state %d -> %d\n", __FUNCTION__,
+ PDBG("%s qhp %p qpid 0x%x ep %p state %d -> %d\n", __func__,
qhp, qhp->wq.qpid, qhp->ep, qhp->attr.state,
(mask & IWCH_QP_ATTR_NEXT_STATE) ? attrs->next_state : -1);
@@ -899,14 +899,14 @@
break;
default:
printk(KERN_ERR "%s in a bad state %d\n",
- __FUNCTION__, qhp->attr.state);
+ __func__, qhp->attr.state);
ret = -EINVAL;
goto err;
break;
}
goto out;
err:
- PDBG("%s disassociating ep %p qpid 0x%x\n", __FUNCTION__, qhp->ep,
+ PDBG("%s disassociating ep %p qpid 0x%x\n", __func__, qhp->ep,
qhp->wq.qpid);
/* disassociate the LLP connection */
@@ -939,7 +939,7 @@
if (free)
put_ep(&ep->com);
- PDBG("%s exit state %d\n", __FUNCTION__, qhp->attr.state);
+ PDBG("%s exit state %d\n", __func__, qhp->attr.state);
return ret;
}
diff --git a/drivers/infiniband/hw/ehca/ehca_av.c b/drivers/infiniband/hw/ehca/ehca_av.c
index 194c1c3..56735ea 100644
--- a/drivers/infiniband/hw/ehca/ehca_av.c
+++ b/drivers/infiniband/hw/ehca/ehca_av.c
@@ -41,9 +41,6 @@
* POSSIBILITY OF SUCH DAMAGE.
*/
-
-#include <asm/current.h>
-
#include "ehca_tools.h"
#include "ehca_iverbs.h"
#include "hcp_if.h"
@@ -170,17 +167,8 @@
{
struct ehca_av *av;
struct ehca_ud_av new_ehca_av;
- struct ehca_pd *my_pd = container_of(ah->pd, struct ehca_pd, ib_pd);
struct ehca_shca *shca = container_of(ah->pd->device, struct ehca_shca,
ib_device);
- u32 cur_pid = current->tgid;
-
- if (my_pd->ib_pd.uobject && my_pd->ib_pd.uobject->context &&
- my_pd->ownpid != cur_pid) {
- ehca_err(ah->device, "Invalid caller pid=%x ownpid=%x",
- cur_pid, my_pd->ownpid);
- return -EINVAL;
- }
memset(&new_ehca_av, 0, sizeof(new_ehca_av));
new_ehca_av.sl = ah_attr->sl;
@@ -242,15 +230,6 @@
int ehca_query_ah(struct ib_ah *ah, struct ib_ah_attr *ah_attr)
{
struct ehca_av *av = container_of(ah, struct ehca_av, ib_ah);
- struct ehca_pd *my_pd = container_of(ah->pd, struct ehca_pd, ib_pd);
- u32 cur_pid = current->tgid;
-
- if (my_pd->ib_pd.uobject && my_pd->ib_pd.uobject->context &&
- my_pd->ownpid != cur_pid) {
- ehca_err(ah->device, "Invalid caller pid=%x ownpid=%x",
- cur_pid, my_pd->ownpid);
- return -EINVAL;
- }
memcpy(&ah_attr->grh.dgid, &av->av.grh.word_3,
sizeof(ah_attr->grh.dgid));
@@ -273,16 +252,6 @@
int ehca_destroy_ah(struct ib_ah *ah)
{
- struct ehca_pd *my_pd = container_of(ah->pd, struct ehca_pd, ib_pd);
- u32 cur_pid = current->tgid;
-
- if (my_pd->ib_pd.uobject && my_pd->ib_pd.uobject->context &&
- my_pd->ownpid != cur_pid) {
- ehca_err(ah->device, "Invalid caller pid=%x ownpid=%x",
- cur_pid, my_pd->ownpid);
- return -EINVAL;
- }
-
kmem_cache_free(av_cache, container_of(ah, struct ehca_av, ib_ah));
return 0;
diff --git a/drivers/infiniband/hw/ehca/ehca_classes.h b/drivers/infiniband/hw/ehca/ehca_classes.h
index 92cce8a..0d13fe0 100644
--- a/drivers/infiniband/hw/ehca/ehca_classes.h
+++ b/drivers/infiniband/hw/ehca/ehca_classes.h
@@ -132,7 +132,6 @@
struct ehca_pd {
struct ib_pd ib_pd;
struct ipz_pd fw_pd;
- u32 ownpid;
/* small queue mgmt */
struct mutex lock;
struct list_head free[2];
@@ -215,7 +214,6 @@
atomic_t nr_events; /* #events seen */
wait_queue_head_t wait_completion;
spinlock_t task_lock;
- u32 ownpid;
/* mmap counter for resources mapped into user space */
u32 mm_count_queue;
u32 mm_count_galpa;
diff --git a/drivers/infiniband/hw/ehca/ehca_cq.c b/drivers/infiniband/hw/ehca/ehca_cq.c
index 0467c15..ec0cfcf 100644
--- a/drivers/infiniband/hw/ehca/ehca_cq.c
+++ b/drivers/infiniband/hw/ehca/ehca_cq.c
@@ -43,8 +43,6 @@
* POSSIBILITY OF SUCH DAMAGE.
*/
-#include <asm/current.h>
-
#include "ehca_iverbs.h"
#include "ehca_classes.h"
#include "ehca_irq.h"
@@ -148,7 +146,6 @@
spin_lock_init(&my_cq->task_lock);
atomic_set(&my_cq->nr_events, 0);
init_waitqueue_head(&my_cq->wait_completion);
- my_cq->ownpid = current->tgid;
cq = &my_cq->ib_cq;
@@ -320,7 +317,6 @@
struct ehca_shca *shca = container_of(device, struct ehca_shca,
ib_device);
struct ipz_adapter_handle adapter_handle = shca->ipz_hca_handle;
- u32 cur_pid = current->tgid;
unsigned long flags;
if (cq->uobject) {
@@ -329,12 +325,6 @@
"user space cq_num=%x", my_cq->cq_number);
return -EINVAL;
}
- if (my_cq->ownpid != cur_pid) {
- ehca_err(device, "Invalid caller pid=%x ownpid=%x "
- "cq_num=%x",
- cur_pid, my_cq->ownpid, my_cq->cq_number);
- return -EINVAL;
- }
}
/*
@@ -374,15 +364,6 @@
int ehca_resize_cq(struct ib_cq *cq, int cqe, struct ib_udata *udata)
{
- struct ehca_cq *my_cq = container_of(cq, struct ehca_cq, ib_cq);
- u32 cur_pid = current->tgid;
-
- if (cq->uobject && my_cq->ownpid != cur_pid) {
- ehca_err(cq->device, "Invalid caller pid=%x ownpid=%x",
- cur_pid, my_cq->ownpid);
- return -EINVAL;
- }
-
/* TODO: proper resize needs to be done */
ehca_err(cq->device, "not implemented yet");
diff --git a/drivers/infiniband/hw/ehca/ehca_hca.c b/drivers/infiniband/hw/ehca/ehca_hca.c
index 5bd7b59..2515cbd 100644
--- a/drivers/infiniband/hw/ehca/ehca_hca.c
+++ b/drivers/infiniband/hw/ehca/ehca_hca.c
@@ -43,6 +43,11 @@
#include "ehca_iverbs.h"
#include "hcp_if.h"
+static unsigned int limit_uint(unsigned int value)
+{
+ return min_t(unsigned int, value, INT_MAX);
+}
+
int ehca_query_device(struct ib_device *ibdev, struct ib_device_attr *props)
{
int i, ret = 0;
@@ -83,37 +88,40 @@
props->vendor_id = rblock->vendor_id >> 8;
props->vendor_part_id = rblock->vendor_part_id >> 16;
props->hw_ver = rblock->hw_ver;
- props->max_qp = min_t(unsigned, rblock->max_qp, INT_MAX);
- props->max_qp_wr = min_t(unsigned, rblock->max_wqes_wq, INT_MAX);
- props->max_sge = min_t(unsigned, rblock->max_sge, INT_MAX);
- props->max_sge_rd = min_t(unsigned, rblock->max_sge_rd, INT_MAX);
- props->max_cq = min_t(unsigned, rblock->max_cq, INT_MAX);
- props->max_cqe = min_t(unsigned, rblock->max_cqe, INT_MAX);
- props->max_mr = min_t(unsigned, rblock->max_mr, INT_MAX);
- props->max_mw = min_t(unsigned, rblock->max_mw, INT_MAX);
- props->max_pd = min_t(unsigned, rblock->max_pd, INT_MAX);
- props->max_ah = min_t(unsigned, rblock->max_ah, INT_MAX);
- props->max_fmr = min_t(unsigned, rblock->max_mr, INT_MAX);
+ props->max_qp = limit_uint(rblock->max_qp);
+ props->max_qp_wr = limit_uint(rblock->max_wqes_wq);
+ props->max_sge = limit_uint(rblock->max_sge);
+ props->max_sge_rd = limit_uint(rblock->max_sge_rd);
+ props->max_cq = limit_uint(rblock->max_cq);
+ props->max_cqe = limit_uint(rblock->max_cqe);
+ props->max_mr = limit_uint(rblock->max_mr);
+ props->max_mw = limit_uint(rblock->max_mw);
+ props->max_pd = limit_uint(rblock->max_pd);
+ props->max_ah = limit_uint(rblock->max_ah);
+ props->max_ee = limit_uint(rblock->max_rd_ee_context);
+ props->max_rdd = limit_uint(rblock->max_rd_domain);
+ props->max_fmr = limit_uint(rblock->max_mr);
+ props->local_ca_ack_delay = limit_uint(rblock->local_ca_ack_delay);
+ props->max_qp_rd_atom = limit_uint(rblock->max_rr_qp);
+ props->max_ee_rd_atom = limit_uint(rblock->max_rr_ee_context);
+ props->max_res_rd_atom = limit_uint(rblock->max_rr_hca);
+ props->max_qp_init_rd_atom = limit_uint(rblock->max_act_wqs_qp);
+ props->max_ee_init_rd_atom = limit_uint(rblock->max_act_wqs_ee_context);
if (EHCA_BMASK_GET(HCA_CAP_SRQ, shca->hca_cap)) {
- props->max_srq = props->max_qp;
- props->max_srq_wr = props->max_qp_wr;
+ props->max_srq = limit_uint(props->max_qp);
+ props->max_srq_wr = limit_uint(props->max_qp_wr);
props->max_srq_sge = 3;
}
- props->max_pkeys = 16;
- props->local_ca_ack_delay
- = rblock->local_ca_ack_delay;
- props->max_raw_ipv6_qp
- = min_t(unsigned, rblock->max_raw_ipv6_qp, INT_MAX);
- props->max_raw_ethy_qp
- = min_t(unsigned, rblock->max_raw_ethy_qp, INT_MAX);
- props->max_mcast_grp
- = min_t(unsigned, rblock->max_mcast_grp, INT_MAX);
- props->max_mcast_qp_attach
- = min_t(unsigned, rblock->max_mcast_qp_attach, INT_MAX);
+ props->max_pkeys = 16;
+ props->local_ca_ack_delay = limit_uint(rblock->local_ca_ack_delay);
+ props->max_raw_ipv6_qp = limit_uint(rblock->max_raw_ipv6_qp);
+ props->max_raw_ethy_qp = limit_uint(rblock->max_raw_ethy_qp);
+ props->max_mcast_grp = limit_uint(rblock->max_mcast_grp);
+ props->max_mcast_qp_attach = limit_uint(rblock->max_mcast_qp_attach);
props->max_total_mcast_qp_attach
- = min_t(unsigned, rblock->max_total_mcast_qp_attach, INT_MAX);
+ = limit_uint(rblock->max_total_mcast_qp_attach);
/* translate device capabilities */
props->device_cap_flags = IB_DEVICE_SYS_IMAGE_GUID |
@@ -128,6 +136,46 @@
return ret;
}
+static int map_mtu(struct ehca_shca *shca, u32 fw_mtu)
+{
+ switch (fw_mtu) {
+ case 0x1:
+ return IB_MTU_256;
+ case 0x2:
+ return IB_MTU_512;
+ case 0x3:
+ return IB_MTU_1024;
+ case 0x4:
+ return IB_MTU_2048;
+ case 0x5:
+ return IB_MTU_4096;
+ default:
+ ehca_err(&shca->ib_device, "Unknown MTU size: %x.",
+ fw_mtu);
+ return 0;
+ }
+}
+
+static int map_number_of_vls(struct ehca_shca *shca, u32 vl_cap)
+{
+ switch (vl_cap) {
+ case 0x1:
+ return 1;
+ case 0x2:
+ return 2;
+ case 0x3:
+ return 4;
+ case 0x4:
+ return 8;
+ case 0x5:
+ return 15;
+ default:
+ ehca_err(&shca->ib_device, "invalid Vl Capability: %x.",
+ vl_cap);
+ return 0;
+ }
+}
+
int ehca_query_port(struct ib_device *ibdev,
u8 port, struct ib_port_attr *props)
{
@@ -152,31 +200,13 @@
memset(props, 0, sizeof(struct ib_port_attr));
- switch (rblock->max_mtu) {
- case 0x1:
- props->active_mtu = props->max_mtu = IB_MTU_256;
- break;
- case 0x2:
- props->active_mtu = props->max_mtu = IB_MTU_512;
- break;
- case 0x3:
- props->active_mtu = props->max_mtu = IB_MTU_1024;
- break;
- case 0x4:
- props->active_mtu = props->max_mtu = IB_MTU_2048;
- break;
- case 0x5:
- props->active_mtu = props->max_mtu = IB_MTU_4096;
- break;
- default:
- ehca_err(&shca->ib_device, "Unknown MTU size: %x.",
- rblock->max_mtu);
- break;
- }
-
+ props->active_mtu = props->max_mtu = map_mtu(shca, rblock->max_mtu);
props->port_cap_flags = rblock->capability_mask;
props->gid_tbl_len = rblock->gid_tbl_len;
- props->max_msg_sz = rblock->max_msg_sz;
+ if (rblock->max_msg_sz)
+ props->max_msg_sz = rblock->max_msg_sz;
+ else
+ props->max_msg_sz = 0x1 << 31;
props->bad_pkey_cntr = rblock->bad_pkey_cntr;
props->qkey_viol_cntr = rblock->qkey_viol_cntr;
props->pkey_tbl_len = rblock->pkey_tbl_len;
@@ -186,6 +216,7 @@
props->sm_sl = rblock->sm_sl;
props->subnet_timeout = rblock->subnet_timeout;
props->init_type_reply = rblock->init_type_reply;
+ props->max_vl_num = map_number_of_vls(shca, rblock->vl_cap);
if (rblock->state && rblock->phys_width) {
props->phys_state = rblock->phys_pstate;
@@ -314,7 +345,7 @@
return ret;
}
-const u32 allowed_port_caps = (
+static const u32 allowed_port_caps = (
IB_PORT_SM | IB_PORT_LED_INFO_SUP | IB_PORT_CM_SUP |
IB_PORT_SNMP_TUNNEL_SUP | IB_PORT_DEVICE_MGMT_SUP |
IB_PORT_VENDOR_CLASS_SUP);
diff --git a/drivers/infiniband/hw/ehca/ehca_main.c b/drivers/infiniband/hw/ehca/ehca_main.c
index a86ebcc..65b3362 100644
--- a/drivers/infiniband/hw/ehca/ehca_main.c
+++ b/drivers/infiniband/hw/ehca/ehca_main.c
@@ -57,16 +57,17 @@
MODULE_DESCRIPTION("IBM eServer HCA InfiniBand Device Driver");
MODULE_VERSION(HCAD_VERSION);
-int ehca_open_aqp1 = 0;
+static int ehca_open_aqp1 = 0;
+static int ehca_hw_level = 0;
+static int ehca_poll_all_eqs = 1;
+static int ehca_mr_largepage = 1;
+
int ehca_debug_level = 0;
-int ehca_hw_level = 0;
int ehca_nr_ports = 2;
int ehca_use_hp_mr = 0;
int ehca_port_act_time = 30;
-int ehca_poll_all_eqs = 1;
int ehca_static_rate = -1;
int ehca_scaling_code = 0;
-int ehca_mr_largepage = 1;
int ehca_lock_hcalls = -1;
module_param_named(open_aqp1, ehca_open_aqp1, int, S_IRUGO);
@@ -396,7 +397,7 @@
return ret;
}
-int ehca_init_device(struct ehca_shca *shca)
+static int ehca_init_device(struct ehca_shca *shca)
{
int ret;
@@ -579,8 +580,8 @@
return 1;
}
-DRIVER_ATTR(debug_level, S_IRUSR | S_IWUSR,
- ehca_show_debug_level, ehca_store_debug_level);
+static DRIVER_ATTR(debug_level, S_IRUSR | S_IWUSR,
+ ehca_show_debug_level, ehca_store_debug_level);
static struct attribute *ehca_drv_attrs[] = {
&driver_attr_debug_level.attr,
@@ -941,7 +942,7 @@
spin_unlock(&shca_list_lock);
}
-int __init ehca_module_init(void)
+static int __init ehca_module_init(void)
{
int ret;
@@ -988,7 +989,7 @@
return ret;
};
-void __exit ehca_module_exit(void)
+static void __exit ehca_module_exit(void)
{
if (ehca_poll_all_eqs == 1)
del_timer_sync(&poll_eqs_timer);
diff --git a/drivers/infiniband/hw/ehca/ehca_mrmw.c b/drivers/infiniband/hw/ehca/ehca_mrmw.c
index e239bbf..f26997f 100644
--- a/drivers/infiniband/hw/ehca/ehca_mrmw.c
+++ b/drivers/infiniband/hw/ehca/ehca_mrmw.c
@@ -40,8 +40,6 @@
* POSSIBILITY OF SUCH DAMAGE.
*/
-#include <asm/current.h>
-
#include <rdma/ib_umem.h>
#include "ehca_iverbs.h"
@@ -419,7 +417,6 @@
struct ehca_shca *shca =
container_of(mr->device, struct ehca_shca, ib_device);
struct ehca_mr *e_mr = container_of(mr, struct ehca_mr, ib.ib_mr);
- struct ehca_pd *my_pd = container_of(mr->pd, struct ehca_pd, ib_pd);
u64 new_size;
u64 *new_start;
u32 new_acl;
@@ -429,15 +426,6 @@
u32 num_kpages = 0;
u32 num_hwpages = 0;
struct ehca_mr_pginfo pginfo;
- u32 cur_pid = current->tgid;
-
- if (my_pd->ib_pd.uobject && my_pd->ib_pd.uobject->context &&
- (my_pd->ownpid != cur_pid)) {
- ehca_err(mr->device, "Invalid caller pid=%x ownpid=%x",
- cur_pid, my_pd->ownpid);
- ret = -EINVAL;
- goto rereg_phys_mr_exit0;
- }
if (!(mr_rereg_mask & IB_MR_REREG_TRANS)) {
/* TODO not supported, because PHYP rereg hCall needs pages */
@@ -577,19 +565,9 @@
struct ehca_shca *shca =
container_of(mr->device, struct ehca_shca, ib_device);
struct ehca_mr *e_mr = container_of(mr, struct ehca_mr, ib.ib_mr);
- struct ehca_pd *my_pd = container_of(mr->pd, struct ehca_pd, ib_pd);
- u32 cur_pid = current->tgid;
unsigned long sl_flags;
struct ehca_mr_hipzout_parms hipzout;
- if (my_pd->ib_pd.uobject && my_pd->ib_pd.uobject->context &&
- (my_pd->ownpid != cur_pid)) {
- ehca_err(mr->device, "Invalid caller pid=%x ownpid=%x",
- cur_pid, my_pd->ownpid);
- ret = -EINVAL;
- goto query_mr_exit0;
- }
-
if ((e_mr->flags & EHCA_MR_FLAG_FMR)) {
ehca_err(mr->device, "not supported for FMR, mr=%p e_mr=%p "
"e_mr->flags=%x", mr, e_mr, e_mr->flags);
@@ -634,16 +612,6 @@
struct ehca_shca *shca =
container_of(mr->device, struct ehca_shca, ib_device);
struct ehca_mr *e_mr = container_of(mr, struct ehca_mr, ib.ib_mr);
- struct ehca_pd *my_pd = container_of(mr->pd, struct ehca_pd, ib_pd);
- u32 cur_pid = current->tgid;
-
- if (my_pd->ib_pd.uobject && my_pd->ib_pd.uobject->context &&
- (my_pd->ownpid != cur_pid)) {
- ehca_err(mr->device, "Invalid caller pid=%x ownpid=%x",
- cur_pid, my_pd->ownpid);
- ret = -EINVAL;
- goto dereg_mr_exit0;
- }
if ((e_mr->flags & EHCA_MR_FLAG_FMR)) {
ehca_err(mr->device, "not supported for FMR, mr=%p e_mr=%p "
@@ -1952,9 +1920,8 @@
return ret;
}
-int ehca_set_pagebuf_phys(struct ehca_mr_pginfo *pginfo,
- u32 number,
- u64 *kpage)
+static int ehca_set_pagebuf_phys(struct ehca_mr_pginfo *pginfo,
+ u32 number, u64 *kpage)
{
int ret = 0;
struct ib_phys_buf *pbuf;
@@ -2012,9 +1979,8 @@
return ret;
}
-int ehca_set_pagebuf_fmr(struct ehca_mr_pginfo *pginfo,
- u32 number,
- u64 *kpage)
+static int ehca_set_pagebuf_fmr(struct ehca_mr_pginfo *pginfo,
+ u32 number, u64 *kpage)
{
int ret = 0;
u64 *fmrlist;
diff --git a/drivers/infiniband/hw/ehca/ehca_pd.c b/drivers/infiniband/hw/ehca/ehca_pd.c
index 43bcf08..2fe5548 100644
--- a/drivers/infiniband/hw/ehca/ehca_pd.c
+++ b/drivers/infiniband/hw/ehca/ehca_pd.c
@@ -38,8 +38,6 @@
* POSSIBILITY OF SUCH DAMAGE.
*/
-#include <asm/current.h>
-
#include "ehca_tools.h"
#include "ehca_iverbs.h"
@@ -58,7 +56,6 @@
return ERR_PTR(-ENOMEM);
}
- pd->ownpid = current->tgid;
for (i = 0; i < 2; i++) {
INIT_LIST_HEAD(&pd->free[i]);
INIT_LIST_HEAD(&pd->full[i]);
@@ -85,18 +82,10 @@
int ehca_dealloc_pd(struct ib_pd *pd)
{
- u32 cur_pid = current->tgid;
struct ehca_pd *my_pd = container_of(pd, struct ehca_pd, ib_pd);
int i, leftovers = 0;
struct ipz_small_queue_page *page, *tmp;
- if (my_pd->ib_pd.uobject && my_pd->ib_pd.uobject->context &&
- my_pd->ownpid != cur_pid) {
- ehca_err(pd->device, "Invalid caller pid=%x ownpid=%x",
- cur_pid, my_pd->ownpid);
- return -EINVAL;
- }
-
for (i = 0; i < 2; i++) {
list_splice(&my_pd->full[i], &my_pd->free[i]);
list_for_each_entry_safe(page, tmp, &my_pd->free[i], list) {
diff --git a/drivers/infiniband/hw/ehca/ehca_qp.c b/drivers/infiniband/hw/ehca/ehca_qp.c
index 1012f15..3eb14a5 100644
--- a/drivers/infiniband/hw/ehca/ehca_qp.c
+++ b/drivers/infiniband/hw/ehca/ehca_qp.c
@@ -43,9 +43,6 @@
* POSSIBILITY OF SUCH DAMAGE.
*/
-
-#include <asm/current.h>
-
#include "ehca_classes.h"
#include "ehca_tools.h"
#include "ehca_qes.h"
@@ -424,6 +421,9 @@
u32 swqe_size = 0, rwqe_size = 0, ib_qp_num;
unsigned long flags;
+ if (init_attr->create_flags)
+ return ERR_PTR(-EINVAL);
+
memset(&parms, 0, sizeof(parms));
qp_type = init_attr->qp_type;
@@ -1526,16 +1526,6 @@
struct ehca_shca *shca = container_of(ibqp->device, struct ehca_shca,
ib_device);
struct ehca_qp *my_qp = container_of(ibqp, struct ehca_qp, ib_qp);
- struct ehca_pd *my_pd = container_of(my_qp->ib_qp.pd, struct ehca_pd,
- ib_pd);
- u32 cur_pid = current->tgid;
-
- if (my_pd->ib_pd.uobject && my_pd->ib_pd.uobject->context &&
- my_pd->ownpid != cur_pid) {
- ehca_err(ibqp->pd->device, "Invalid caller pid=%x ownpid=%x",
- cur_pid, my_pd->ownpid);
- return -EINVAL;
- }
/* The if-block below caches qp_attr to be modified for GSI and SMI
* qps during the initialization by ib_mad. When the respective port
@@ -1636,23 +1626,13 @@
int qp_attr_mask, struct ib_qp_init_attr *qp_init_attr)
{
struct ehca_qp *my_qp = container_of(qp, struct ehca_qp, ib_qp);
- struct ehca_pd *my_pd = container_of(my_qp->ib_qp.pd, struct ehca_pd,
- ib_pd);
struct ehca_shca *shca = container_of(qp->device, struct ehca_shca,
ib_device);
struct ipz_adapter_handle adapter_handle = shca->ipz_hca_handle;
struct hcp_modify_qp_control_block *qpcb;
- u32 cur_pid = current->tgid;
int cnt, ret = 0;
u64 h_ret;
- if (my_pd->ib_pd.uobject && my_pd->ib_pd.uobject->context &&
- my_pd->ownpid != cur_pid) {
- ehca_err(qp->device, "Invalid caller pid=%x ownpid=%x",
- cur_pid, my_pd->ownpid);
- return -EINVAL;
- }
-
if (qp_attr_mask & QP_ATTR_QUERY_NOT_SUPPORTED) {
ehca_err(qp->device, "Invalid attribute mask "
"ehca_qp=%p qp_num=%x qp_attr_mask=%x ",
@@ -1797,8 +1777,6 @@
{
struct ehca_qp *my_qp =
container_of(ibsrq, struct ehca_qp, ib_srq);
- struct ehca_pd *my_pd =
- container_of(ibsrq->pd, struct ehca_pd, ib_pd);
struct ehca_shca *shca =
container_of(ibsrq->pd->device, struct ehca_shca, ib_device);
struct hcp_modify_qp_control_block *mqpcb;
@@ -1806,14 +1784,6 @@
u64 h_ret;
int ret = 0;
- u32 cur_pid = current->tgid;
- if (my_pd->ib_pd.uobject && my_pd->ib_pd.uobject->context &&
- my_pd->ownpid != cur_pid) {
- ehca_err(ibsrq->pd->device, "Invalid caller pid=%x ownpid=%x",
- cur_pid, my_pd->ownpid);
- return -EINVAL;
- }
-
mqpcb = ehca_alloc_fw_ctrlblock(GFP_KERNEL);
if (!mqpcb) {
ehca_err(ibsrq->device, "Could not get zeroed page for mqpcb "
@@ -1864,22 +1834,13 @@
int ehca_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr)
{
struct ehca_qp *my_qp = container_of(srq, struct ehca_qp, ib_srq);
- struct ehca_pd *my_pd = container_of(srq->pd, struct ehca_pd, ib_pd);
struct ehca_shca *shca = container_of(srq->device, struct ehca_shca,
ib_device);
struct ipz_adapter_handle adapter_handle = shca->ipz_hca_handle;
struct hcp_modify_qp_control_block *qpcb;
- u32 cur_pid = current->tgid;
int ret = 0;
u64 h_ret;
- if (my_pd->ib_pd.uobject && my_pd->ib_pd.uobject->context &&
- my_pd->ownpid != cur_pid) {
- ehca_err(srq->device, "Invalid caller pid=%x ownpid=%x",
- cur_pid, my_pd->ownpid);
- return -EINVAL;
- }
-
qpcb = ehca_alloc_fw_ctrlblock(GFP_KERNEL);
if (!qpcb) {
ehca_err(srq->device, "Out of memory for qpcb "
@@ -1919,7 +1880,6 @@
struct ehca_pd *my_pd = container_of(my_qp->ib_qp.pd, struct ehca_pd,
ib_pd);
struct ehca_sport *sport = &shca->sport[my_qp->init_attr.port_num - 1];
- u32 cur_pid = current->tgid;
u32 qp_num = my_qp->real_qp_num;
int ret;
u64 h_ret;
@@ -1934,11 +1894,6 @@
"user space qp_num=%x", qp_num);
return -EINVAL;
}
- if (my_pd->ownpid != cur_pid) {
- ehca_err(dev, "Invalid caller pid=%x ownpid=%x",
- cur_pid, my_pd->ownpid);
- return -EINVAL;
- }
}
if (my_qp->send_cq) {
diff --git a/drivers/infiniband/hw/ehca/ehca_reqs.c b/drivers/infiniband/hw/ehca/ehca_reqs.c
index 2ce8cff..a20bbf4 100644
--- a/drivers/infiniband/hw/ehca/ehca_reqs.c
+++ b/drivers/infiniband/hw/ehca/ehca_reqs.c
@@ -188,7 +188,7 @@
if (send_wr->opcode == IB_WR_SEND_WITH_IMM ||
send_wr->opcode == IB_WR_RDMA_WRITE_WITH_IMM) {
/* this might not work as long as HW does not support it */
- wqe_p->immediate_data = be32_to_cpu(send_wr->imm_data);
+ wqe_p->immediate_data = be32_to_cpu(send_wr->ex.imm_data);
wqe_p->wr_flag |= WQE_WRFLAG_IMM_DATA_PRESENT;
}
diff --git a/drivers/infiniband/hw/ehca/ehca_tools.h b/drivers/infiniband/hw/ehca/ehca_tools.h
index 4a8346a..ec950bf 100644
--- a/drivers/infiniband/hw/ehca/ehca_tools.h
+++ b/drivers/infiniband/hw/ehca/ehca_tools.h
@@ -73,37 +73,37 @@
if (unlikely(ehca_debug_level)) \
dev_printk(KERN_DEBUG, (ib_dev)->dma_device, \
"PU%04x EHCA_DBG:%s " format "\n", \
- raw_smp_processor_id(), __FUNCTION__, \
+ raw_smp_processor_id(), __func__, \
## arg); \
} while (0)
#define ehca_info(ib_dev, format, arg...) \
dev_info((ib_dev)->dma_device, "PU%04x EHCA_INFO:%s " format "\n", \
- raw_smp_processor_id(), __FUNCTION__, ## arg)
+ raw_smp_processor_id(), __func__, ## arg)
#define ehca_warn(ib_dev, format, arg...) \
dev_warn((ib_dev)->dma_device, "PU%04x EHCA_WARN:%s " format "\n", \
- raw_smp_processor_id(), __FUNCTION__, ## arg)
+ raw_smp_processor_id(), __func__, ## arg)
#define ehca_err(ib_dev, format, arg...) \
dev_err((ib_dev)->dma_device, "PU%04x EHCA_ERR:%s " format "\n", \
- raw_smp_processor_id(), __FUNCTION__, ## arg)
+ raw_smp_processor_id(), __func__, ## arg)
/* use this one only if no ib_dev available */
#define ehca_gen_dbg(format, arg...) \
do { \
if (unlikely(ehca_debug_level)) \
printk(KERN_DEBUG "PU%04x EHCA_DBG:%s " format "\n", \
- raw_smp_processor_id(), __FUNCTION__, ## arg); \
+ raw_smp_processor_id(), __func__, ## arg); \
} while (0)
#define ehca_gen_warn(format, arg...) \
printk(KERN_INFO "PU%04x EHCA_WARN:%s " format "\n", \
- raw_smp_processor_id(), __FUNCTION__, ## arg)
+ raw_smp_processor_id(), __func__, ## arg)
#define ehca_gen_err(format, arg...) \
printk(KERN_ERR "PU%04x EHCA_ERR:%s " format "\n", \
- raw_smp_processor_id(), __FUNCTION__, ## arg)
+ raw_smp_processor_id(), __func__, ## arg)
/**
* ehca_dmp - printk a memory block, whose length is n*8 bytes.
@@ -118,7 +118,7 @@
for (x = 0; x < l; x += 16) { \
printk(KERN_INFO "EHCA_DMP:%s " format \
" adr=%p ofs=%04x %016lx %016lx\n", \
- __FUNCTION__, ##args, deb, x, \
+ __func__, ##args, deb, x, \
*((u64 *)&deb[0]), *((u64 *)&deb[8])); \
deb += 16; \
} \
diff --git a/drivers/infiniband/hw/ehca/ehca_uverbs.c b/drivers/infiniband/hw/ehca/ehca_uverbs.c
index 5234d6c..1b07f2b 100644
--- a/drivers/infiniband/hw/ehca/ehca_uverbs.c
+++ b/drivers/infiniband/hw/ehca/ehca_uverbs.c
@@ -40,8 +40,6 @@
* POSSIBILITY OF SUCH DAMAGE.
*/
-#include <asm/current.h>
-
#include "ehca_classes.h"
#include "ehca_iverbs.h"
#include "ehca_mrmw.h"
@@ -253,11 +251,9 @@
u32 idr_handle = fileoffset & 0x1FFFFFF;
u32 q_type = (fileoffset >> 27) & 0x1; /* CQ, QP,... */
u32 rsrc_type = (fileoffset >> 25) & 0x3; /* sq,rq,cmnd_window */
- u32 cur_pid = current->tgid;
u32 ret;
struct ehca_cq *cq;
struct ehca_qp *qp;
- struct ehca_pd *pd;
struct ib_uobject *uobject;
switch (q_type) {
@@ -270,13 +266,6 @@
if (!cq)
return -EINVAL;
- if (cq->ownpid != cur_pid) {
- ehca_err(cq->ib_cq.device,
- "Invalid caller pid=%x ownpid=%x",
- cur_pid, cq->ownpid);
- return -ENOMEM;
- }
-
if (!cq->ib_cq.uobject || cq->ib_cq.uobject->context != context)
return -EINVAL;
@@ -298,14 +287,6 @@
if (!qp)
return -EINVAL;
- pd = container_of(qp->ib_qp.pd, struct ehca_pd, ib_pd);
- if (pd->ownpid != cur_pid) {
- ehca_err(qp->ib_qp.device,
- "Invalid caller pid=%x ownpid=%x",
- cur_pid, pd->ownpid);
- return -ENOMEM;
- }
-
uobject = IS_SRQ(qp) ? qp->ib_srq.uobject : qp->ib_qp.uobject;
if (!uobject || uobject->context != context)
return -EINVAL;
diff --git a/drivers/infiniband/hw/ipath/Makefile b/drivers/infiniband/hw/ipath/Makefile
index fe67388..75a6c91 100644
--- a/drivers/infiniband/hw/ipath/Makefile
+++ b/drivers/infiniband/hw/ipath/Makefile
@@ -20,17 +20,20 @@
ipath_qp.o \
ipath_rc.o \
ipath_ruc.o \
+ ipath_sdma.o \
ipath_srq.o \
ipath_stats.o \
ipath_sysfs.o \
ipath_uc.o \
ipath_ud.o \
ipath_user_pages.o \
+ ipath_user_sdma.o \
ipath_verbs_mcast.o \
ipath_verbs.o
ib_ipath-$(CONFIG_HT_IRQ) += ipath_iba6110.o
ib_ipath-$(CONFIG_PCI_MSI) += ipath_iba6120.o
+ib_ipath-$(CONFIG_PCI_MSI) += ipath_iba7220.o ipath_sd7220.o ipath_sd7220_img.o
ib_ipath-$(CONFIG_X86_64) += ipath_wc_x86_64.o
ib_ipath-$(CONFIG_PPC64) += ipath_wc_ppc64.o
diff --git a/drivers/infiniband/hw/ipath/ipath_7220.h b/drivers/infiniband/hw/ipath/ipath_7220.h
new file mode 100644
index 0000000..74fa5cc
--- /dev/null
+++ b/drivers/infiniband/hw/ipath/ipath_7220.h
@@ -0,0 +1,57 @@
+#ifndef _IPATH_7220_H
+#define _IPATH_7220_H
+/*
+ * Copyright (c) 2007 QLogic Corporation. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses. You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+/*
+ * This header file provides the declarations and common definitions
+ * for (mostly) manipulation of the SerDes blocks within the IBA7220.
+ * the functions declared should only be called from within other
+ * 7220-related files such as ipath_iba7220.c or ipath_sd7220.c.
+ */
+int ipath_sd7220_presets(struct ipath_devdata *dd);
+int ipath_sd7220_init(struct ipath_devdata *dd, int was_reset);
+int ipath_sd7220_prog_ld(struct ipath_devdata *dd, int sdnum, u8 *img,
+ int len, int offset);
+int ipath_sd7220_prog_vfy(struct ipath_devdata *dd, int sdnum, const u8 *img,
+ int len, int offset);
+/*
+ * Below used for sdnum parameter, selecting one of the two sections
+ * used for PCIe, or the single SerDes used for IB, which is the
+ * only one currently used
+ */
+#define IB_7220_SERDES 2
+
+int ipath_sd7220_ib_load(struct ipath_devdata *dd);
+int ipath_sd7220_ib_vfy(struct ipath_devdata *dd);
+
+#endif /* _IPATH_7220_H */
diff --git a/drivers/infiniband/hw/ipath/ipath_common.h b/drivers/infiniband/hw/ipath/ipath_common.h
index 591901a..28cfe97 100644
--- a/drivers/infiniband/hw/ipath/ipath_common.h
+++ b/drivers/infiniband/hw/ipath/ipath_common.h
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2006, 2007 QLogic Corporation. All rights reserved.
+ * Copyright (c) 2006, 2007, 2008 QLogic Corporation. All rights reserved.
* Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved.
*
* This software is available to you under a choice of one of two
@@ -80,6 +80,8 @@
#define IPATH_IB_LINKDOWN_DISABLE 5
#define IPATH_IB_LINK_LOOPBACK 6 /* enable local loopback */
#define IPATH_IB_LINK_EXTERNAL 7 /* normal, disable local loopback */
+#define IPATH_IB_LINK_NO_HRTBT 8 /* disable Heartbeat, e.g. for loopback */
+#define IPATH_IB_LINK_HRTBT 9 /* enable heartbeat, normal, non-loopback */
/*
* These 3 values (SDR and DDR may be ORed for auto-speed
@@ -198,7 +200,8 @@
#define IPATH_RUNTIME_FORCE_WC_ORDER 0x4
#define IPATH_RUNTIME_RCVHDR_COPY 0x8
#define IPATH_RUNTIME_MASTER 0x10
-/* 0x20 and 0x40 are no longer used, but are reserved for ABI compatibility */
+#define IPATH_RUNTIME_NODMA_RTAIL 0x80
+#define IPATH_RUNTIME_SDMA 0x200
#define IPATH_RUNTIME_FORCE_PIOAVAIL 0x400
#define IPATH_RUNTIME_PIO_REGSWAPPED 0x800
@@ -444,8 +447,9 @@
#define IPATH_CMD_PIOAVAILUPD 27 /* force an update of PIOAvail reg */
#define IPATH_CMD_POLL_TYPE 28 /* set the kind of polling we want */
#define IPATH_CMD_ARMLAUNCH_CTRL 29 /* armlaunch detection control */
-
-#define IPATH_CMD_MAX 29
+/* 30 is unused */
+#define IPATH_CMD_SDMA_INFLIGHT 31 /* sdma inflight counter request */
+#define IPATH_CMD_SDMA_COMPLETE 32 /* sdma completion counter request */
/*
* Poll types
@@ -483,6 +487,17 @@
union {
struct ipath_tid_info tid_info;
struct ipath_user_info user_info;
+
+ /*
+ * address in userspace where we should put the sdma
+ * inflight counter
+ */
+ __u64 sdma_inflight;
+ /*
+ * address in userspace where we should put the sdma
+ * completion counter
+ */
+ __u64 sdma_complete;
/* address in userspace of struct ipath_port_info to
write result to */
__u64 port_info;
@@ -537,7 +552,7 @@
/* The second diag_pkt struct is the expanded version that allows
* more control over the packet, specifically, by allowing a custom
- * pbc (+ extra) qword, so that special modes and deliberate
+ * pbc (+ static rate) qword, so that special modes and deliberate
* changes to CRCs can be used. The elements were also re-ordered
* for better alignment and to avoid padding issues.
*/
@@ -662,8 +677,12 @@
#define INFINIPATH_RHF_LENGTH_SHIFT 0
#define INFINIPATH_RHF_RCVTYPE_MASK 0x7
#define INFINIPATH_RHF_RCVTYPE_SHIFT 11
-#define INFINIPATH_RHF_EGRINDEX_MASK 0x7FF
+#define INFINIPATH_RHF_EGRINDEX_MASK 0xFFF
#define INFINIPATH_RHF_EGRINDEX_SHIFT 16
+#define INFINIPATH_RHF_SEQ_MASK 0xF
+#define INFINIPATH_RHF_SEQ_SHIFT 0
+#define INFINIPATH_RHF_HDRQ_OFFSET_MASK 0x7FF
+#define INFINIPATH_RHF_HDRQ_OFFSET_SHIFT 4
#define INFINIPATH_RHF_H_ICRCERR 0x80000000
#define INFINIPATH_RHF_H_VCRCERR 0x40000000
#define INFINIPATH_RHF_H_PARITYERR 0x20000000
@@ -673,6 +692,8 @@
#define INFINIPATH_RHF_H_TIDERR 0x02000000
#define INFINIPATH_RHF_H_MKERR 0x01000000
#define INFINIPATH_RHF_H_IBERR 0x00800000
+#define INFINIPATH_RHF_H_ERR_MASK 0xFF800000
+#define INFINIPATH_RHF_L_USE_EGR 0x80000000
#define INFINIPATH_RHF_L_SWA 0x00008000
#define INFINIPATH_RHF_L_SWB 0x00004000
@@ -696,6 +717,7 @@
/* SendPIO per-buffer control */
#define INFINIPATH_SP_TEST 0x40
#define INFINIPATH_SP_TESTEBP 0x20
+#define INFINIPATH_SP_TRIGGER_SHIFT 15
/* SendPIOAvail bits */
#define INFINIPATH_SENDPIOAVAIL_BUSY_SHIFT 1
@@ -762,6 +784,7 @@
#define IPATH_MSN_MASK 0xFFFFFF
#define IPATH_QPN_MASK 0xFFFFFF
#define IPATH_MULTICAST_LID_BASE 0xC000
+#define IPATH_EAGER_TID_ID INFINIPATH_I_TID_MASK
#define IPATH_MULTICAST_QPN 0xFFFFFF
/* Receive Header Queue: receive type (from infinipath) */
@@ -781,7 +804,7 @@
*/
static inline __u32 ipath_hdrget_err_flags(const __le32 * rbuf)
{
- return __le32_to_cpu(rbuf[1]);
+ return __le32_to_cpu(rbuf[1]) & INFINIPATH_RHF_H_ERR_MASK;
}
static inline __u32 ipath_hdrget_rcv_type(const __le32 * rbuf)
@@ -802,6 +825,23 @@
& INFINIPATH_RHF_EGRINDEX_MASK;
}
+static inline __u32 ipath_hdrget_seq(const __le32 *rbuf)
+{
+ return (__le32_to_cpu(rbuf[1]) >> INFINIPATH_RHF_SEQ_SHIFT)
+ & INFINIPATH_RHF_SEQ_MASK;
+}
+
+static inline __u32 ipath_hdrget_offset(const __le32 *rbuf)
+{
+ return (__le32_to_cpu(rbuf[1]) >> INFINIPATH_RHF_HDRQ_OFFSET_SHIFT)
+ & INFINIPATH_RHF_HDRQ_OFFSET_MASK;
+}
+
+static inline __u32 ipath_hdrget_use_egr_buf(const __le32 *rbuf)
+{
+ return __le32_to_cpu(rbuf[0]) & INFINIPATH_RHF_L_USE_EGR;
+}
+
static inline __u32 ipath_hdrget_ipath_ver(__le32 hdrword)
{
return (__le32_to_cpu(hdrword) >> INFINIPATH_I_VERS_SHIFT)
diff --git a/drivers/infiniband/hw/ipath/ipath_debug.h b/drivers/infiniband/hw/ipath/ipath_debug.h
index d6f6953..65926cd 100644
--- a/drivers/infiniband/hw/ipath/ipath_debug.h
+++ b/drivers/infiniband/hw/ipath/ipath_debug.h
@@ -66,6 +66,7 @@
#define __IPATH_IPATHERR 0x40000 /* Ethernet (IPATH) errors */
#define __IPATH_IPATHPD 0x80000 /* Ethernet (IPATH) packet dump */
#define __IPATH_IPATHTABLE 0x100000 /* Ethernet (IPATH) table dump */
+#define __IPATH_LINKVERBDBG 0x200000 /* very verbose linkchange debug */
#else /* _IPATH_DEBUGGING */
@@ -89,6 +90,7 @@
#define __IPATH_IPATHERR 0x0 /* Ethernet (IPATH) errors on */
#define __IPATH_IPATHPD 0x0 /* Ethernet (IPATH) packet dump on */
#define __IPATH_IPATHTABLE 0x0 /* Ethernet (IPATH) packet dump on */
+#define __IPATH_LINKVERBDBG 0x0 /* very verbose linkchange debug */
#endif /* _IPATH_DEBUGGING */
diff --git a/drivers/infiniband/hw/ipath/ipath_diag.c b/drivers/infiniband/hw/ipath/ipath_diag.c
index 4137c77..6d49d2f 100644
--- a/drivers/infiniband/hw/ipath/ipath_diag.c
+++ b/drivers/infiniband/hw/ipath/ipath_diag.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2006, 2007 QLogic Corporation. All rights reserved.
+ * Copyright (c) 2006, 2007, 2008 QLogic Corporation. All rights reserved.
* Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved.
*
* This software is available to you under a choice of one of two
@@ -330,13 +330,19 @@
struct ipath_devdata *dd;
ssize_t ret = 0;
u64 val;
+ u32 l_state, lt_state; /* LinkState, LinkTrainingState */
- if (count != sizeof(dp)) {
+ if (count < sizeof(odp)) {
ret = -EINVAL;
goto bail;
}
- if (copy_from_user(&dp, data, sizeof(dp))) {
+ if (count == sizeof(dp)) {
+ if (copy_from_user(&dp, data, sizeof(dp))) {
+ ret = -EFAULT;
+ goto bail;
+ }
+ } else if (copy_from_user(&odp, data, sizeof(odp))) {
ret = -EFAULT;
goto bail;
}
@@ -396,10 +402,17 @@
ret = -ENODEV;
goto bail;
}
- /* Check link state, but not if we have custom PBC */
- val = dd->ipath_lastibcstat & IPATH_IBSTATE_MASK;
- if (!dp.pbc_wd && val != IPATH_IBSTATE_INIT &&
- val != IPATH_IBSTATE_ARM && val != IPATH_IBSTATE_ACTIVE) {
+ /*
+ * Want to skip check for l_state if using custom PBC,
+ * because we might be trying to force an SM packet out.
+ * first-cut, skip _all_ state checking in that case.
+ */
+ val = ipath_ib_state(dd, dd->ipath_lastibcstat);
+ lt_state = ipath_ib_linktrstate(dd, dd->ipath_lastibcstat);
+ l_state = ipath_ib_linkstate(dd, dd->ipath_lastibcstat);
+ if (!dp.pbc_wd && (lt_state != INFINIPATH_IBCS_LT_STATE_LINKUP ||
+ (val != dd->ib_init && val != dd->ib_arm &&
+ val != dd->ib_active))) {
ipath_cdbg(VERBOSE, "unit %u not ready (state %llx)\n",
dd->ipath_unit, (unsigned long long) val);
ret = -EINVAL;
@@ -431,15 +444,17 @@
goto bail;
}
- piobuf = ipath_getpiobuf(dd, &pbufn);
+ plen >>= 2; /* in dwords */
+
+ piobuf = ipath_getpiobuf(dd, plen, &pbufn);
if (!piobuf) {
ipath_cdbg(VERBOSE, "No PIO buffers avail unit for %u\n",
dd->ipath_unit);
ret = -EBUSY;
goto bail;
}
-
- plen >>= 2; /* in dwords */
+ /* disarm it just to be extra sure */
+ ipath_disarm_piobufs(dd, pbufn, 1);
if (ipath_debug & __IPATH_PKTDBG)
ipath_cdbg(VERBOSE, "unit %u 0x%x+1w pio%d\n",
diff --git a/drivers/infiniband/hw/ipath/ipath_driver.c b/drivers/infiniband/hw/ipath/ipath_driver.c
index ca4d0ac..e0a64f0 100644
--- a/drivers/infiniband/hw/ipath/ipath_driver.c
+++ b/drivers/infiniband/hw/ipath/ipath_driver.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2006, 2007 QLogic Corporation. All rights reserved.
+ * Copyright (c) 2006, 2007, 2008 QLogic Corporation. All rights reserved.
* Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved.
*
* This software is available to you under a choice of one of two
@@ -41,7 +41,6 @@
#include "ipath_kernel.h"
#include "ipath_verbs.h"
-#include "ipath_common.h"
static void ipath_update_pio_bufs(struct ipath_devdata *);
@@ -73,10 +72,27 @@
MODULE_PARM_DESC(debug, "mask for debug prints");
EXPORT_SYMBOL_GPL(ipath_debug);
+unsigned ipath_mtu4096 = 1; /* max 4KB IB mtu by default, if supported */
+module_param_named(mtu4096, ipath_mtu4096, uint, S_IRUGO);
+MODULE_PARM_DESC(mtu4096, "enable MTU of 4096 bytes, if supported");
+
+static unsigned ipath_hol_timeout_ms = 13000;
+module_param_named(hol_timeout_ms, ipath_hol_timeout_ms, uint, S_IRUGO);
+MODULE_PARM_DESC(hol_timeout_ms,
+ "duration of user app suspension after link failure");
+
+unsigned ipath_linkrecovery = 1;
+module_param_named(linkrecovery, ipath_linkrecovery, uint, S_IWUSR | S_IRUGO);
+MODULE_PARM_DESC(linkrecovery, "enable workaround for link recovery issue");
+
MODULE_LICENSE("GPL");
-MODULE_AUTHOR("QLogic <support@pathscale.com>");
+MODULE_AUTHOR("QLogic <support@qlogic.com>");
MODULE_DESCRIPTION("QLogic InfiniPath driver");
+/*
+ * Table to translate the LINKTRAININGSTATE portion of
+ * IBCStatus to a human-readable form.
+ */
const char *ipath_ibcstatus_str[] = {
"Disabled",
"LinkUp",
@@ -91,9 +107,20 @@
"CfgWaitRmt",
"CfgIdle",
"RecovRetrain",
- "LState0xD", /* unused */
+ "CfgTxRevLane", /* unused before IBA7220 */
"RecovWaitRmt",
"RecovIdle",
+ /* below were added for IBA7220 */
+ "CfgEnhanced",
+ "CfgTest",
+ "CfgWaitRmtTest",
+ "CfgWaitCfgEnhanced",
+ "SendTS_T",
+ "SendTstIdles",
+ "RcvTS_T",
+ "SendTst_TS1s",
+ "LTState18", "LTState19", "LTState1A", "LTState1B",
+ "LTState1C", "LTState1D", "LTState1E", "LTState1F"
};
static void __devexit ipath_remove_one(struct pci_dev *);
@@ -102,8 +129,10 @@
/* Only needed for registration, nothing else needs this info */
#define PCI_VENDOR_ID_PATHSCALE 0x1fc1
+#define PCI_VENDOR_ID_QLOGIC 0x1077
#define PCI_DEVICE_ID_INFINIPATH_HT 0xd
#define PCI_DEVICE_ID_INFINIPATH_PE800 0x10
+#define PCI_DEVICE_ID_INFINIPATH_7220 0x7220
/* Number of seconds before our card status check... */
#define STATUS_TIMEOUT 60
@@ -111,6 +140,7 @@
static const struct pci_device_id ipath_pci_tbl[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_PATHSCALE, PCI_DEVICE_ID_INFINIPATH_HT) },
{ PCI_DEVICE(PCI_VENDOR_ID_PATHSCALE, PCI_DEVICE_ID_INFINIPATH_PE800) },
+ { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_INFINIPATH_7220) },
{ 0, }
};
@@ -126,19 +156,6 @@
},
};
-static void ipath_check_status(struct work_struct *work)
-{
- struct ipath_devdata *dd = container_of(work, struct ipath_devdata,
- status_work.work);
-
- /*
- * If we don't have any interrupts, let the user know and
- * don't bother checking again.
- */
- if (dd->ipath_int_counter == 0)
- dev_err(&dd->pcidev->dev, "No interrupts detected.\n");
-}
-
static inline void read_bars(struct ipath_devdata *dd, struct pci_dev *dev,
u32 *bar0, u32 *bar1)
{
@@ -206,8 +223,6 @@
dd->pcidev = pdev;
pci_set_drvdata(pdev, dd);
- INIT_DELAYED_WORK(&dd->status_work, ipath_check_status);
-
list_add(&dd->ipath_list, &ipath_dev_list);
bail_unlock:
@@ -234,12 +249,12 @@
return dd;
}
-int ipath_count_units(int *npresentp, int *nupp, u32 *maxportsp)
+int ipath_count_units(int *npresentp, int *nupp, int *maxportsp)
{
int nunits, npresent, nup;
struct ipath_devdata *dd;
unsigned long flags;
- u32 maxports;
+ int maxports;
nunits = npresent = nup = maxports = 0;
@@ -304,7 +319,7 @@
u32 *addr;
u64 msecs, emsecs;
- piobuf = ipath_getpiobuf(dd, &pbnum);
+ piobuf = ipath_getpiobuf(dd, 0, &pbnum);
if (!piobuf) {
dev_info(&dd->pcidev->dev,
"No PIObufs for checking perf, skipping\n");
@@ -336,7 +351,14 @@
ipath_disable_armlaunch(dd);
- writeq(0, piobuf); /* length 0, no dwords actually sent */
+ /*
+ * length 0, no dwords actually sent, and mark as VL15
+ * on chips where that may matter (due to IB flowcontrol)
+ */
+ if ((dd->ipath_flags & IPATH_HAS_PBC_CNT))
+ writeq(1UL << 63, piobuf);
+ else
+ writeq(0, piobuf);
ipath_flush_wc();
/*
@@ -377,6 +399,7 @@
struct ipath_devdata *dd;
unsigned long long addr;
u32 bar0 = 0, bar1 = 0;
+ u8 rev;
dd = ipath_alloc_devdata(pdev);
if (IS_ERR(dd)) {
@@ -408,7 +431,7 @@
}
addr = pci_resource_start(pdev, 0);
len = pci_resource_len(pdev, 0);
- ipath_cdbg(VERBOSE, "regbase (0) %llx len %d pdev->irq %d, vend %x/%x "
+ ipath_cdbg(VERBOSE, "regbase (0) %llx len %d irq %d, vend %x/%x "
"driver_data %lx\n", addr, len, pdev->irq, ent->vendor,
ent->device, ent->driver_data);
@@ -512,6 +535,13 @@
"CONFIG_PCI_MSI is not enabled\n", ent->device);
return -ENODEV;
#endif
+ case PCI_DEVICE_ID_INFINIPATH_7220:
+#ifndef CONFIG_PCI_MSI
+ ipath_dbg("CONFIG_PCI_MSI is not enabled, "
+ "using IntX for unit %u\n", dd->ipath_unit);
+#endif
+ ipath_init_iba7220_funcs(dd);
+ break;
default:
ipath_dev_err(dd, "Found unknown QLogic deviceid 0x%x, "
"failing\n", ent->device);
@@ -533,7 +563,13 @@
goto bail_regions;
}
- dd->ipath_pcirev = pdev->revision;
+ ret = pci_read_config_byte(pdev, PCI_REVISION_ID, &rev);
+ if (ret) {
+ ipath_dev_err(dd, "Failed to read PCI revision ID unit "
+ "%u: err %d\n", dd->ipath_unit, -ret);
+ goto bail_regions; /* shouldn't ever happen */
+ }
+ dd->ipath_pcirev = rev;
#if defined(__powerpc__)
/* There isn't a generic way to specify writethrough mappings */
@@ -556,14 +592,6 @@
ipath_cdbg(VERBOSE, "mapped io addr %llx to kregbase %p\n",
addr, dd->ipath_kregbase);
- /*
- * clear ipath_flags here instead of in ipath_init_chip as it is set
- * by ipath_setup_htconfig.
- */
- dd->ipath_flags = 0;
- dd->ipath_lli_counter = 0;
- dd->ipath_lli_errors = 0;
-
if (dd->ipath_f_bus(dd, pdev))
ipath_dev_err(dd, "Failed to setup config space; "
"continuing anyway\n");
@@ -608,13 +636,11 @@
ipath_diag_add(dd);
ipath_register_ib_device(dd);
- /* Check that card status in STATUS_TIMEOUT seconds. */
- schedule_delayed_work(&dd->status_work, HZ * STATUS_TIMEOUT);
-
goto bail;
bail_irqsetup:
- if (pdev->irq) free_irq(pdev->irq, dd);
+ if (pdev->irq)
+ free_irq(pdev->irq, dd);
bail_iounmap:
iounmap((volatile void __iomem *) dd->ipath_kregbase);
@@ -654,6 +680,10 @@
ipath_disable_wc(dd);
}
+ if (dd->ipath_spectriggerhit)
+ dev_info(&dd->pcidev->dev, "%lu special trigger hits\n",
+ dd->ipath_spectriggerhit);
+
if (dd->ipath_pioavailregs_dma) {
dma_free_coherent(&dd->pcidev->dev, PAGE_SIZE,
(void *) dd->ipath_pioavailregs_dma,
@@ -706,6 +736,8 @@
tmpp = dd->ipath_pageshadow;
dd->ipath_pageshadow = NULL;
vfree(tmpp);
+
+ dd->ipath_egrtidbase = NULL;
}
/*
@@ -738,7 +770,6 @@
*/
ipath_shutdown_device(dd);
- cancel_delayed_work(&dd->status_work);
flush_scheduled_work();
if (dd->verbs_dev)
@@ -823,20 +854,8 @@
ipath_read_kreg64(dd, dd->ipath_kregs->kr_scratch);
spin_unlock_irqrestore(&dd->ipath_sendctrl_lock, flags);
}
-
- /*
- * Disable PIOAVAILUPD, then re-enable, reading scratch in
- * between. This seems to avoid a chip timing race that causes
- * pioavail updates to memory to stop. We xor as we don't
- * know the state of the bit when we're called.
- */
- spin_lock_irqsave(&dd->ipath_sendctrl_lock, flags);
- ipath_write_kreg(dd, dd->ipath_kregs->kr_sendctrl,
- dd->ipath_sendctrl ^ INFINIPATH_S_PIOBUFAVAILUPD);
- ipath_read_kreg64(dd, dd->ipath_kregs->kr_scratch);
- ipath_write_kreg(dd, dd->ipath_kregs->kr_sendctrl,
- dd->ipath_sendctrl);
- spin_unlock_irqrestore(&dd->ipath_sendctrl_lock, flags);
+ /* on some older chips, update may not happen after cancel */
+ ipath_force_pio_avail_update(dd);
}
/**
@@ -873,18 +892,52 @@
(unsigned long long) ipath_read_kreg64(
dd, dd->ipath_kregs->kr_ibcctrl),
(unsigned long long) val,
- ipath_ibcstatus_str[val & 0xf]);
+ ipath_ibcstatus_str[val & dd->ibcs_lts_mask]);
}
return (dd->ipath_flags & state) ? 0 : -ETIMEDOUT;
}
+static void decode_sdma_errs(struct ipath_devdata *dd, ipath_err_t err,
+ char *buf, size_t blen)
+{
+ static const struct {
+ ipath_err_t err;
+ const char *msg;
+ } errs[] = {
+ { INFINIPATH_E_SDMAGENMISMATCH, "SDmaGenMismatch" },
+ { INFINIPATH_E_SDMAOUTOFBOUND, "SDmaOutOfBound" },
+ { INFINIPATH_E_SDMATAILOUTOFBOUND, "SDmaTailOutOfBound" },
+ { INFINIPATH_E_SDMABASE, "SDmaBase" },
+ { INFINIPATH_E_SDMA1STDESC, "SDma1stDesc" },
+ { INFINIPATH_E_SDMARPYTAG, "SDmaRpyTag" },
+ { INFINIPATH_E_SDMADWEN, "SDmaDwEn" },
+ { INFINIPATH_E_SDMAMISSINGDW, "SDmaMissingDw" },
+ { INFINIPATH_E_SDMAUNEXPDATA, "SDmaUnexpData" },
+ { INFINIPATH_E_SDMADESCADDRMISALIGN, "SDmaDescAddrMisalign" },
+ { INFINIPATH_E_SENDBUFMISUSE, "SendBufMisuse" },
+ { INFINIPATH_E_SDMADISABLED, "SDmaDisabled" },
+ };
+ int i;
+ int expected;
+ size_t bidx = 0;
+
+ for (i = 0; i < ARRAY_SIZE(errs); i++) {
+ expected = (errs[i].err != INFINIPATH_E_SDMADISABLED) ? 0 :
+ test_bit(IPATH_SDMA_ABORTING, &dd->ipath_sdma_status);
+ if ((err & errs[i].err) && !expected)
+ bidx += snprintf(buf + bidx, blen - bidx,
+ "%s ", errs[i].msg);
+ }
+}
+
/*
* Decode the error status into strings, deciding whether to always
* print * it or not depending on "normal packet errors" vs everything
* else. Return 1 if "real" errors, otherwise 0 if only packet
* errors, so caller can decide what to print with the string.
*/
-int ipath_decode_err(char *buf, size_t blen, ipath_err_t err)
+int ipath_decode_err(struct ipath_devdata *dd, char *buf, size_t blen,
+ ipath_err_t err)
{
int iserr = 1;
*buf = '\0';
@@ -922,6 +975,8 @@
strlcat(buf, "rbadversion ", blen);
if (err & INFINIPATH_E_RHDR)
strlcat(buf, "rhdr ", blen);
+ if (err & INFINIPATH_E_SENDSPECIALTRIGGER)
+ strlcat(buf, "sendspecialtrigger ", blen);
if (err & INFINIPATH_E_RLONGPKTLEN)
strlcat(buf, "rlongpktlen ", blen);
if (err & INFINIPATH_E_RMAXPKTLEN)
@@ -964,6 +1019,10 @@
strlcat(buf, "hardware ", blen);
if (err & INFINIPATH_E_RESET)
strlcat(buf, "reset ", blen);
+ if (err & INFINIPATH_E_SDMAERRS)
+ decode_sdma_errs(dd, err, buf, blen);
+ if (err & INFINIPATH_E_INVALIDEEPCMD)
+ strlcat(buf, "invalideepromcmd ", blen);
done:
return iserr;
}
@@ -1076,18 +1135,17 @@
u32 eflags,
u32 l,
u32 etail,
- u64 *rc)
+ __le32 *rhf_addr,
+ struct ipath_message_header *hdr)
{
char emsg[128];
- struct ipath_message_header *hdr;
get_rhf_errstring(eflags, emsg, sizeof emsg);
- hdr = (struct ipath_message_header *)&rc[1];
ipath_cdbg(PKT, "RHFerrs %x hdrqtail=%x typ=%u "
"tlen=%x opcode=%x egridx=%x: %s\n",
eflags, l,
- ipath_hdrget_rcv_type((__le32 *) rc),
- ipath_hdrget_length_in_bytes((__le32 *) rc),
+ ipath_hdrget_rcv_type(rhf_addr),
+ ipath_hdrget_length_in_bytes(rhf_addr),
be32_to_cpu(hdr->bth[0]) >> 24,
etail, emsg);
@@ -1112,55 +1170,52 @@
*/
void ipath_kreceive(struct ipath_portdata *pd)
{
- u64 *rc;
struct ipath_devdata *dd = pd->port_dd;
+ __le32 *rhf_addr;
void *ebuf;
const u32 rsize = dd->ipath_rcvhdrentsize; /* words */
const u32 maxcnt = dd->ipath_rcvhdrcnt * rsize; /* words */
u32 etail = -1, l, hdrqtail;
struct ipath_message_header *hdr;
- u32 eflags, i, etype, tlen, pkttot = 0, updegr=0, reloop=0;
+ u32 eflags, i, etype, tlen, pkttot = 0, updegr = 0, reloop = 0;
static u64 totcalls; /* stats, may eventually remove */
-
- if (!dd->ipath_hdrqtailptr) {
- ipath_dev_err(dd,
- "hdrqtailptr not set, can't do receives\n");
- goto bail;
- }
+ int last;
l = pd->port_head;
- hdrqtail = ipath_get_rcvhdrtail(pd);
- if (l == hdrqtail)
- goto bail;
+ rhf_addr = (__le32 *) pd->port_rcvhdrq + l + dd->ipath_rhf_offset;
+ if (dd->ipath_flags & IPATH_NODMA_RTAIL) {
+ u32 seq = ipath_hdrget_seq(rhf_addr);
+
+ if (seq != pd->port_seq_cnt)
+ goto bail;
+ hdrqtail = 0;
+ } else {
+ hdrqtail = ipath_get_rcvhdrtail(pd);
+ if (l == hdrqtail)
+ goto bail;
+ smp_rmb();
+ }
reloop:
- for (i = 0; l != hdrqtail; i++) {
- u32 qp;
- u8 *bthbytes;
-
- rc = (u64 *) (pd->port_rcvhdrq + (l << 2));
- hdr = (struct ipath_message_header *)&rc[1];
- /*
- * could make a network order version of IPATH_KD_QP, and
- * do the obvious shift before masking to speed this up.
- */
- qp = ntohl(hdr->bth[1]) & 0xffffff;
- bthbytes = (u8 *) hdr->bth;
-
- eflags = ipath_hdrget_err_flags((__le32 *) rc);
- etype = ipath_hdrget_rcv_type((__le32 *) rc);
+ for (last = 0, i = 1; !last; i++) {
+ hdr = dd->ipath_f_get_msgheader(dd, rhf_addr);
+ eflags = ipath_hdrget_err_flags(rhf_addr);
+ etype = ipath_hdrget_rcv_type(rhf_addr);
/* total length */
- tlen = ipath_hdrget_length_in_bytes((__le32 *) rc);
+ tlen = ipath_hdrget_length_in_bytes(rhf_addr);
ebuf = NULL;
- if (etype != RCVHQ_RCV_TYPE_EXPECTED) {
+ if ((dd->ipath_flags & IPATH_NODMA_RTAIL) ?
+ ipath_hdrget_use_egr_buf(rhf_addr) :
+ (etype != RCVHQ_RCV_TYPE_EXPECTED)) {
/*
- * it turns out that the chips uses an eager buffer
+ * It turns out that the chip uses an eager buffer
* for all non-expected packets, whether it "needs"
* one or not. So always get the index, but don't
* set ebuf (so we try to copy data) unless the
* length requires it.
*/
- etail = ipath_hdrget_index((__le32 *) rc);
+ etail = ipath_hdrget_index(rhf_addr);
+ updegr = 1;
if (tlen > sizeof(*hdr) ||
etype == RCVHQ_RCV_TYPE_NON_KD)
ebuf = ipath_get_egrbuf(dd, etail);
@@ -1171,75 +1226,91 @@
* packets; only ipathhdrerr should be set.
*/
- if (etype != RCVHQ_RCV_TYPE_NON_KD && etype !=
- RCVHQ_RCV_TYPE_ERROR && ipath_hdrget_ipath_ver(
- hdr->iph.ver_port_tid_offset) !=
- IPS_PROTO_VERSION) {
+ if (etype != RCVHQ_RCV_TYPE_NON_KD &&
+ etype != RCVHQ_RCV_TYPE_ERROR &&
+ ipath_hdrget_ipath_ver(hdr->iph.ver_port_tid_offset) !=
+ IPS_PROTO_VERSION)
ipath_cdbg(PKT, "Bad InfiniPath protocol version "
"%x\n", etype);
- }
if (unlikely(eflags))
- ipath_rcv_hdrerr(dd, eflags, l, etail, rc);
+ ipath_rcv_hdrerr(dd, eflags, l, etail, rhf_addr, hdr);
else if (etype == RCVHQ_RCV_TYPE_NON_KD) {
- ipath_ib_rcv(dd->verbs_dev, rc + 1, ebuf, tlen);
+ ipath_ib_rcv(dd->verbs_dev, (u32 *)hdr, ebuf, tlen);
if (dd->ipath_lli_counter)
dd->ipath_lli_counter--;
+ } else if (etype == RCVHQ_RCV_TYPE_EAGER) {
+ u8 opcode = be32_to_cpu(hdr->bth[0]) >> 24;
+ u32 qp = be32_to_cpu(hdr->bth[1]) & 0xffffff;
ipath_cdbg(PKT, "typ %x, opcode %x (eager, "
"qp=%x), len %x; ignored\n",
- etype, bthbytes[0], qp, tlen);
+ etype, opcode, qp, tlen);
}
- else if (etype == RCVHQ_RCV_TYPE_EAGER)
- ipath_cdbg(PKT, "typ %x, opcode %x (eager, "
- "qp=%x), len %x; ignored\n",
- etype, bthbytes[0], qp, tlen);
else if (etype == RCVHQ_RCV_TYPE_EXPECTED)
ipath_dbg("Bug: Expected TID, opcode %x; ignored\n",
- be32_to_cpu(hdr->bth[0]) & 0xff);
+ be32_to_cpu(hdr->bth[0]) >> 24);
else {
/*
* error packet, type of error unknown.
* Probably type 3, but we don't know, so don't
* even try to print the opcode, etc.
+ * Usually caused by a "bad packet", that has no
+ * BTH, when the LRH says it should.
*/
- ipath_dbg("Error Pkt, but no eflags! egrbuf %x, "
- "len %x\nhdrq@%lx;hdrq+%x rhf: %llx; "
- "hdr %llx %llx %llx %llx %llx\n",
- etail, tlen, (unsigned long) rc, l,
- (unsigned long long) rc[0],
- (unsigned long long) rc[1],
- (unsigned long long) rc[2],
- (unsigned long long) rc[3],
- (unsigned long long) rc[4],
- (unsigned long long) rc[5]);
+ ipath_cdbg(ERRPKT, "Error Pkt, but no eflags! egrbuf"
+ " %x, len %x hdrq+%x rhf: %Lx\n",
+ etail, tlen, l,
+ le64_to_cpu(*(__le64 *) rhf_addr));
+ if (ipath_debug & __IPATH_ERRPKTDBG) {
+ u32 j, *d, dw = rsize-2;
+ if (rsize > (tlen>>2))
+ dw = tlen>>2;
+ d = (u32 *)hdr;
+ printk(KERN_DEBUG "EPkt rcvhdr(%x dw):\n",
+ dw);
+ for (j = 0; j < dw; j++)
+ printk(KERN_DEBUG "%8x%s", d[j],
+ (j%8) == 7 ? "\n" : " ");
+ printk(KERN_DEBUG ".\n");
+ }
}
l += rsize;
if (l >= maxcnt)
l = 0;
- if (etype != RCVHQ_RCV_TYPE_EXPECTED)
- updegr = 1;
+ rhf_addr = (__le32 *) pd->port_rcvhdrq +
+ l + dd->ipath_rhf_offset;
+ if (dd->ipath_flags & IPATH_NODMA_RTAIL) {
+ u32 seq = ipath_hdrget_seq(rhf_addr);
+
+ if (++pd->port_seq_cnt > 13)
+ pd->port_seq_cnt = 1;
+ if (seq != pd->port_seq_cnt)
+ last = 1;
+ } else if (l == hdrqtail)
+ last = 1;
/*
* update head regs on last packet, and every 16 packets.
* Reduce bus traffic, while still trying to prevent
* rcvhdrq overflows, for when the queue is nearly full
*/
- if (l == hdrqtail || (i && !(i&0xf))) {
- u64 lval;
- if (l == hdrqtail)
- /* request IBA6120 interrupt only on last */
- lval = dd->ipath_rhdrhead_intr_off | l;
- else
- lval = l;
- (void)ipath_write_ureg(dd, ur_rcvhdrhead, lval, 0);
+ if (last || !(i & 0xf)) {
+ u64 lval = l;
+
+ /* request IBA6120 and 7220 interrupt only on last */
+ if (last)
+ lval |= dd->ipath_rhdrhead_intr_off;
+ ipath_write_ureg(dd, ur_rcvhdrhead, lval,
+ pd->port_port);
if (updegr) {
- (void)ipath_write_ureg(dd, ur_rcvegrindexhead,
- etail, 0);
+ ipath_write_ureg(dd, ur_rcvegrindexhead,
+ etail, pd->port_port);
updegr = 0;
}
}
}
- if (!dd->ipath_rhdrhead_intr_off && !reloop) {
+ if (!dd->ipath_rhdrhead_intr_off && !reloop &&
+ !(dd->ipath_flags & IPATH_NODMA_RTAIL)) {
/* IBA6110 workaround; we can have a race clearing chip
* interrupt with another interrupt about to be delivered,
* and can clear it before it is delivered on the GPIO
@@ -1301,7 +1372,6 @@
* happens when all buffers are in use, so only cpu overhead, not
* latency or bandwidth is affected.
*/
-#define _IPATH_ALL_CHECKBITS 0x5555555555555555ULL
if (!dd->ipath_pioavailregs_dma) {
ipath_dbg("Update shadow pioavail, but regs_dma NULL!\n");
return;
@@ -1346,7 +1416,7 @@
piov = le64_to_cpu(dd->ipath_pioavailregs_dma[i ^ 1]);
else
piov = le64_to_cpu(dd->ipath_pioavailregs_dma[i]);
- pchg = _IPATH_ALL_CHECKBITS &
+ pchg = dd->ipath_pioavailkernel[i] &
~(dd->ipath_pioavailshadow[i] ^ piov);
pchbusy = pchg << INFINIPATH_SENDPIOAVAIL_BUSY_SHIFT;
if (pchg && (pchbusy & dd->ipath_pioavailshadow[i])) {
@@ -1397,27 +1467,63 @@
return ret;
}
-/**
- * ipath_getpiobuf - find an available pio buffer
- * @dd: the infinipath device
- * @pbufnum: the buffer number is placed here
+/*
+ * debugging code and stats updates if no pio buffers available.
+ */
+static noinline void no_pio_bufs(struct ipath_devdata *dd)
+{
+ unsigned long *shadow = dd->ipath_pioavailshadow;
+ __le64 *dma = (__le64 *)dd->ipath_pioavailregs_dma;
+
+ dd->ipath_upd_pio_shadow = 1;
+
+ /*
+ * not atomic, but if we lose a stat count in a while, that's OK
+ */
+ ipath_stats.sps_nopiobufs++;
+ if (!(++dd->ipath_consec_nopiobuf % 100000)) {
+ ipath_dbg("%u pio sends with no bufavail; dmacopy: "
+ "%llx %llx %llx %llx; shadow: %lx %lx %lx %lx\n",
+ dd->ipath_consec_nopiobuf,
+ (unsigned long long) le64_to_cpu(dma[0]),
+ (unsigned long long) le64_to_cpu(dma[1]),
+ (unsigned long long) le64_to_cpu(dma[2]),
+ (unsigned long long) le64_to_cpu(dma[3]),
+ shadow[0], shadow[1], shadow[2], shadow[3]);
+ /*
+ * 4 buffers per byte, 4 registers above, cover rest
+ * below
+ */
+ if ((dd->ipath_piobcnt2k + dd->ipath_piobcnt4k) >
+ (sizeof(shadow[0]) * 4 * 4))
+ ipath_dbg("2nd group: dmacopy: %llx %llx "
+ "%llx %llx; shadow: %lx %lx %lx %lx\n",
+ (unsigned long long)le64_to_cpu(dma[4]),
+ (unsigned long long)le64_to_cpu(dma[5]),
+ (unsigned long long)le64_to_cpu(dma[6]),
+ (unsigned long long)le64_to_cpu(dma[7]),
+ shadow[4], shadow[5], shadow[6],
+ shadow[7]);
+ }
+}
+
+/*
+ * common code for normal driver pio buffer allocation, and reserved
+ * allocation.
*
* do appropriate marking as busy, etc.
* returns buffer number if one found (>=0), negative number is error.
- * Used by ipath_layer_send
*/
-u32 __iomem *ipath_getpiobuf(struct ipath_devdata *dd, u32 * pbufnum)
+static u32 __iomem *ipath_getpiobuf_range(struct ipath_devdata *dd,
+ u32 *pbufnum, u32 first, u32 last, u32 firsti)
{
- int i, j, starti, updated = 0;
- unsigned piobcnt, iter;
+ int i, j, updated = 0;
+ unsigned piobcnt;
unsigned long flags;
unsigned long *shadow = dd->ipath_pioavailshadow;
u32 __iomem *buf;
- piobcnt = (unsigned)(dd->ipath_piobcnt2k
- + dd->ipath_piobcnt4k);
- starti = dd->ipath_lastport_piobuf;
- iter = piobcnt - starti;
+ piobcnt = last - first;
if (dd->ipath_upd_pio_shadow) {
/*
* Minor optimization. If we had no buffers on last call,
@@ -1425,12 +1531,10 @@
* if no buffers were updated, to be paranoid
*/
ipath_update_pio_bufs(dd);
- /* we scanned here, don't do it at end of scan */
- updated = 1;
- i = starti;
+ updated++;
+ i = first;
} else
- i = dd->ipath_lastpioindex;
-
+ i = firsti;
rescan:
/*
* while test_and_set_bit() is atomic, we do that and then the
@@ -1438,104 +1542,141 @@
* of the remaining armlaunch errors.
*/
spin_lock_irqsave(&ipath_pioavail_lock, flags);
- for (j = 0; j < iter; j++, i++) {
- if (i >= piobcnt)
- i = starti;
- /*
- * To avoid bus lock overhead, we first find a candidate
- * buffer, then do the test and set, and continue if that
- * fails.
- */
- if (test_bit((2 * i) + 1, shadow) ||
- test_and_set_bit((2 * i) + 1, shadow))
+ for (j = 0; j < piobcnt; j++, i++) {
+ if (i >= last)
+ i = first;
+ if (__test_and_set_bit((2 * i) + 1, shadow))
continue;
/* flip generation bit */
- change_bit(2 * i, shadow);
+ __change_bit(2 * i, shadow);
break;
}
spin_unlock_irqrestore(&ipath_pioavail_lock, flags);
- if (j == iter) {
- volatile __le64 *dma = dd->ipath_pioavailregs_dma;
-
- /*
- * first time through; shadow exhausted, but may be real
- * buffers available, so go see; if any updated, rescan
- * (once)
- */
+ if (j == piobcnt) {
if (!updated) {
+ /*
+ * first time through; shadow exhausted, but may be
+ * buffers available, try an update and then rescan.
+ */
ipath_update_pio_bufs(dd);
- updated = 1;
- i = starti;
+ updated++;
+ i = first;
+ goto rescan;
+ } else if (updated == 1 && piobcnt <=
+ ((dd->ipath_sendctrl
+ >> INFINIPATH_S_UPDTHRESH_SHIFT) &
+ INFINIPATH_S_UPDTHRESH_MASK)) {
+ /*
+ * for chips supporting and using the update
+ * threshold we need to force an update of the
+ * in-memory copy if the count is less than the
+ * thershold, then check one more time.
+ */
+ ipath_force_pio_avail_update(dd);
+ ipath_update_pio_bufs(dd);
+ updated++;
+ i = first;
goto rescan;
}
- dd->ipath_upd_pio_shadow = 1;
- /*
- * not atomic, but if we lose one once in a while, that's OK
- */
- ipath_stats.sps_nopiobufs++;
- if (!(++dd->ipath_consec_nopiobuf % 100000)) {
- ipath_dbg(
- "%u pio sends with no bufavail; dmacopy: "
- "%llx %llx %llx %llx; shadow: "
- "%lx %lx %lx %lx\n",
- dd->ipath_consec_nopiobuf,
- (unsigned long long) le64_to_cpu(dma[0]),
- (unsigned long long) le64_to_cpu(dma[1]),
- (unsigned long long) le64_to_cpu(dma[2]),
- (unsigned long long) le64_to_cpu(dma[3]),
- shadow[0], shadow[1], shadow[2],
- shadow[3]);
- /*
- * 4 buffers per byte, 4 registers above, cover rest
- * below
- */
- if ((dd->ipath_piobcnt2k + dd->ipath_piobcnt4k) >
- (sizeof(shadow[0]) * 4 * 4))
- ipath_dbg("2nd group: dmacopy: %llx %llx "
- "%llx %llx; shadow: %lx %lx "
- "%lx %lx\n",
- (unsigned long long)
- le64_to_cpu(dma[4]),
- (unsigned long long)
- le64_to_cpu(dma[5]),
- (unsigned long long)
- le64_to_cpu(dma[6]),
- (unsigned long long)
- le64_to_cpu(dma[7]),
- shadow[4], shadow[5],
- shadow[6], shadow[7]);
- }
+
+ no_pio_bufs(dd);
buf = NULL;
- goto bail;
+ } else {
+ if (i < dd->ipath_piobcnt2k)
+ buf = (u32 __iomem *) (dd->ipath_pio2kbase +
+ i * dd->ipath_palign);
+ else
+ buf = (u32 __iomem *)
+ (dd->ipath_pio4kbase +
+ (i - dd->ipath_piobcnt2k) * dd->ipath_4kalign);
+ if (pbufnum)
+ *pbufnum = i;
}
- /*
- * set next starting place. Since it's just an optimization,
- * it doesn't matter who wins on this, so no locking
- */
- dd->ipath_lastpioindex = i + 1;
- if (dd->ipath_upd_pio_shadow)
- dd->ipath_upd_pio_shadow = 0;
- if (dd->ipath_consec_nopiobuf)
- dd->ipath_consec_nopiobuf = 0;
- if (i < dd->ipath_piobcnt2k)
- buf = (u32 __iomem *) (dd->ipath_pio2kbase +
- i * dd->ipath_palign);
- else
- buf = (u32 __iomem *)
- (dd->ipath_pio4kbase +
- (i - dd->ipath_piobcnt2k) * dd->ipath_4kalign);
- ipath_cdbg(VERBOSE, "Return piobuf%u %uk @ %p\n",
- i, (i < dd->ipath_piobcnt2k) ? 2 : 4, buf);
- if (pbufnum)
- *pbufnum = i;
-
-bail:
return buf;
}
/**
+ * ipath_getpiobuf - find an available pio buffer
+ * @dd: the infinipath device
+ * @plen: the size of the PIO buffer needed in 32-bit words
+ * @pbufnum: the buffer number is placed here
+ */
+u32 __iomem *ipath_getpiobuf(struct ipath_devdata *dd, u32 plen, u32 *pbufnum)
+{
+ u32 __iomem *buf;
+ u32 pnum, nbufs;
+ u32 first, lasti;
+
+ if (plen + 1 >= IPATH_SMALLBUF_DWORDS) {
+ first = dd->ipath_piobcnt2k;
+ lasti = dd->ipath_lastpioindexl;
+ } else {
+ first = 0;
+ lasti = dd->ipath_lastpioindex;
+ }
+ nbufs = dd->ipath_piobcnt2k + dd->ipath_piobcnt4k;
+ buf = ipath_getpiobuf_range(dd, &pnum, first, nbufs, lasti);
+
+ if (buf) {
+ /*
+ * Set next starting place. It's just an optimization,
+ * it doesn't matter who wins on this, so no locking
+ */
+ if (plen + 1 >= IPATH_SMALLBUF_DWORDS)
+ dd->ipath_lastpioindexl = pnum + 1;
+ else
+ dd->ipath_lastpioindex = pnum + 1;
+ if (dd->ipath_upd_pio_shadow)
+ dd->ipath_upd_pio_shadow = 0;
+ if (dd->ipath_consec_nopiobuf)
+ dd->ipath_consec_nopiobuf = 0;
+ ipath_cdbg(VERBOSE, "Return piobuf%u %uk @ %p\n",
+ pnum, (pnum < dd->ipath_piobcnt2k) ? 2 : 4, buf);
+ if (pbufnum)
+ *pbufnum = pnum;
+
+ }
+ return buf;
+}
+
+/**
+ * ipath_chg_pioavailkernel - change which send buffers are available for kernel
+ * @dd: the infinipath device
+ * @start: the starting send buffer number
+ * @len: the number of send buffers
+ * @avail: true if the buffers are available for kernel use, false otherwise
+ */
+void ipath_chg_pioavailkernel(struct ipath_devdata *dd, unsigned start,
+ unsigned len, int avail)
+{
+ unsigned long flags;
+ unsigned end;
+
+ /* There are two bits per send buffer (busy and generation) */
+ start *= 2;
+ len *= 2;
+ end = start + len;
+
+ /* Set or clear the generation bits. */
+ spin_lock_irqsave(&ipath_pioavail_lock, flags);
+ while (start < end) {
+ if (avail) {
+ __clear_bit(start + INFINIPATH_SENDPIOAVAIL_BUSY_SHIFT,
+ dd->ipath_pioavailshadow);
+ __set_bit(start, dd->ipath_pioavailkernel);
+ } else {
+ __set_bit(start + INFINIPATH_SENDPIOAVAIL_BUSY_SHIFT,
+ dd->ipath_pioavailshadow);
+ __clear_bit(start, dd->ipath_pioavailkernel);
+ }
+ start += 2;
+ }
+ spin_unlock_irqrestore(&ipath_pioavail_lock, flags);
+}
+
+/**
* ipath_create_rcvhdrq - create a receive header queue
* @dd: the infinipath device
* @pd: the port data
@@ -1566,19 +1707,27 @@
ret = -ENOMEM;
goto bail;
}
- pd->port_rcvhdrtail_kvaddr = dma_alloc_coherent(
- &dd->pcidev->dev, PAGE_SIZE, &phys_hdrqtail, GFP_KERNEL);
- if (!pd->port_rcvhdrtail_kvaddr) {
- ipath_dev_err(dd, "attempt to allocate 1 page "
- "for port %u rcvhdrqtailaddr failed\n",
- pd->port_port);
- ret = -ENOMEM;
- dma_free_coherent(&dd->pcidev->dev, amt,
- pd->port_rcvhdrq, pd->port_rcvhdrq_phys);
- pd->port_rcvhdrq = NULL;
- goto bail;
+
+ if (!(dd->ipath_flags & IPATH_NODMA_RTAIL)) {
+ pd->port_rcvhdrtail_kvaddr = dma_alloc_coherent(
+ &dd->pcidev->dev, PAGE_SIZE, &phys_hdrqtail,
+ GFP_KERNEL);
+ if (!pd->port_rcvhdrtail_kvaddr) {
+ ipath_dev_err(dd, "attempt to allocate 1 page "
+ "for port %u rcvhdrqtailaddr "
+ "failed\n", pd->port_port);
+ ret = -ENOMEM;
+ dma_free_coherent(&dd->pcidev->dev, amt,
+ pd->port_rcvhdrq,
+ pd->port_rcvhdrq_phys);
+ pd->port_rcvhdrq = NULL;
+ goto bail;
+ }
+ pd->port_rcvhdrqtailaddr_phys = phys_hdrqtail;
+ ipath_cdbg(VERBOSE, "port %d hdrtailaddr, %llx "
+ "physical\n", pd->port_port,
+ (unsigned long long) phys_hdrqtail);
}
- pd->port_rcvhdrqtailaddr_phys = phys_hdrqtail;
pd->port_rcvhdrq_size = amt;
@@ -1588,10 +1737,6 @@
(unsigned long) pd->port_rcvhdrq_phys,
(unsigned long) pd->port_rcvhdrq_size,
pd->port_port);
-
- ipath_cdbg(VERBOSE, "port %d hdrtailaddr, %llx physical\n",
- pd->port_port,
- (unsigned long long) phys_hdrqtail);
}
else
ipath_cdbg(VERBOSE, "reuse port %d rcvhdrq @%p %llx phys; "
@@ -1615,7 +1760,6 @@
ipath_write_kreg_port(dd, dd->ipath_kregs->kr_rcvhdraddr,
pd->port_port, pd->port_rcvhdrq_phys);
- ret = 0;
bail:
return ret;
}
@@ -1632,52 +1776,149 @@
*/
void ipath_cancel_sends(struct ipath_devdata *dd, int restore_sendctrl)
{
- ipath_dbg("Cancelling all in-progress send buffers\n");
- dd->ipath_lastcancel = jiffies+HZ/2; /* skip armlaunch errs a bit */
- /*
- * the abort bit is auto-clearing. We read scratch to be sure
- * that cancels and the abort have taken effect in the chip.
- */
- ipath_write_kreg(dd, dd->ipath_kregs->kr_sendctrl,
- INFINIPATH_S_ABORT);
- ipath_read_kreg64(dd, dd->ipath_kregs->kr_scratch);
- ipath_disarm_piobufs(dd, 0,
- (unsigned)(dd->ipath_piobcnt2k + dd->ipath_piobcnt4k));
- if (restore_sendctrl) /* else done by caller later */
- ipath_write_kreg(dd, dd->ipath_kregs->kr_sendctrl,
- dd->ipath_sendctrl);
+ unsigned long flags;
- /* and again, be sure all have hit the chip */
+ if (dd->ipath_flags & IPATH_IB_AUTONEG_INPROG) {
+ ipath_cdbg(VERBOSE, "Ignore while in autonegotiation\n");
+ goto bail;
+ }
+ /*
+ * If we have SDMA, and it's not disabled, we have to kick off the
+ * abort state machine, provided we aren't already aborting.
+ * If we are in the process of aborting SDMA (!DISABLED, but ABORTING),
+ * we skip the rest of this routine. It is already "in progress"
+ */
+ if (dd->ipath_flags & IPATH_HAS_SEND_DMA) {
+ int skip_cancel;
+ u64 *statp = &dd->ipath_sdma_status;
+
+ spin_lock_irqsave(&dd->ipath_sdma_lock, flags);
+ skip_cancel =
+ !test_bit(IPATH_SDMA_DISABLED, statp) &&
+ test_and_set_bit(IPATH_SDMA_ABORTING, statp);
+ spin_unlock_irqrestore(&dd->ipath_sdma_lock, flags);
+ if (skip_cancel)
+ goto bail;
+ }
+
+ ipath_dbg("Cancelling all in-progress send buffers\n");
+
+ /* skip armlaunch errs for a while */
+ dd->ipath_lastcancel = jiffies + HZ / 2;
+
+ /*
+ * The abort bit is auto-clearing. We also don't want pioavail
+ * update happening during this, and we don't want any other
+ * sends going out, so turn those off for the duration. We read
+ * the scratch register to be sure that cancels and the abort
+ * have taken effect in the chip. Otherwise two parts are same
+ * as ipath_force_pio_avail_update()
+ */
+ spin_lock_irqsave(&dd->ipath_sendctrl_lock, flags);
+ dd->ipath_sendctrl &= ~(INFINIPATH_S_PIOBUFAVAILUPD
+ | INFINIPATH_S_PIOENABLE);
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_sendctrl,
+ dd->ipath_sendctrl | INFINIPATH_S_ABORT);
ipath_read_kreg64(dd, dd->ipath_kregs->kr_scratch);
+ spin_unlock_irqrestore(&dd->ipath_sendctrl_lock, flags);
+
+ /* disarm all send buffers */
+ ipath_disarm_piobufs(dd, 0,
+ dd->ipath_piobcnt2k + dd->ipath_piobcnt4k);
+
+ if (restore_sendctrl) {
+ /* else done by caller later if needed */
+ spin_lock_irqsave(&dd->ipath_sendctrl_lock, flags);
+ dd->ipath_sendctrl |= INFINIPATH_S_PIOBUFAVAILUPD |
+ INFINIPATH_S_PIOENABLE;
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_sendctrl,
+ dd->ipath_sendctrl);
+ /* and again, be sure all have hit the chip */
+ ipath_read_kreg64(dd, dd->ipath_kregs->kr_scratch);
+ spin_unlock_irqrestore(&dd->ipath_sendctrl_lock, flags);
+ }
+
+ if ((dd->ipath_flags & IPATH_HAS_SEND_DMA) &&
+ !test_bit(IPATH_SDMA_DISABLED, &dd->ipath_sdma_status) &&
+ test_bit(IPATH_SDMA_RUNNING, &dd->ipath_sdma_status)) {
+ spin_lock_irqsave(&dd->ipath_sdma_lock, flags);
+ /* only wait so long for intr */
+ dd->ipath_sdma_abort_intr_timeout = jiffies + HZ;
+ dd->ipath_sdma_reset_wait = 200;
+ __set_bit(IPATH_SDMA_DISARMED, &dd->ipath_sdma_status);
+ if (!test_bit(IPATH_SDMA_SHUTDOWN, &dd->ipath_sdma_status))
+ tasklet_hi_schedule(&dd->ipath_sdma_abort_task);
+ spin_unlock_irqrestore(&dd->ipath_sdma_lock, flags);
+ }
+bail:;
}
-
-static void ipath_set_ib_lstate(struct ipath_devdata *dd, int which)
+/*
+ * Force an update of in-memory copy of the pioavail registers, when
+ * needed for any of a variety of reasons. We read the scratch register
+ * to make it highly likely that the update will have happened by the
+ * time we return. If already off (as in cancel_sends above), this
+ * routine is a nop, on the assumption that the caller will "do the
+ * right thing".
+ */
+void ipath_force_pio_avail_update(struct ipath_devdata *dd)
{
+ unsigned long flags;
+
+ spin_lock_irqsave(&dd->ipath_sendctrl_lock, flags);
+ if (dd->ipath_sendctrl & INFINIPATH_S_PIOBUFAVAILUPD) {
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_sendctrl,
+ dd->ipath_sendctrl & ~INFINIPATH_S_PIOBUFAVAILUPD);
+ ipath_read_kreg64(dd, dd->ipath_kregs->kr_scratch);
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_sendctrl,
+ dd->ipath_sendctrl);
+ ipath_read_kreg64(dd, dd->ipath_kregs->kr_scratch);
+ }
+ spin_unlock_irqrestore(&dd->ipath_sendctrl_lock, flags);
+}
+
+static void ipath_set_ib_lstate(struct ipath_devdata *dd, int linkcmd,
+ int linitcmd)
+{
+ u64 mod_wd;
static const char *what[4] = {
[0] = "NOP",
[INFINIPATH_IBCC_LINKCMD_DOWN] = "DOWN",
[INFINIPATH_IBCC_LINKCMD_ARMED] = "ARMED",
[INFINIPATH_IBCC_LINKCMD_ACTIVE] = "ACTIVE"
};
- int linkcmd = (which >> INFINIPATH_IBCC_LINKCMD_SHIFT) &
- INFINIPATH_IBCC_LINKCMD_MASK;
- ipath_cdbg(VERBOSE, "Trying to move unit %u to %s, current ltstate "
- "is %s\n", dd->ipath_unit,
- what[linkcmd],
- ipath_ibcstatus_str[
- (ipath_read_kreg64
- (dd, dd->ipath_kregs->kr_ibcstatus) >>
- INFINIPATH_IBCS_LINKTRAININGSTATE_SHIFT) &
- INFINIPATH_IBCS_LINKTRAININGSTATE_MASK]);
- /* flush all queued sends when going to DOWN to be sure that
- * they don't block MAD packets */
- if (linkcmd == INFINIPATH_IBCC_LINKCMD_DOWN)
- ipath_cancel_sends(dd, 1);
+ if (linitcmd == INFINIPATH_IBCC_LINKINITCMD_DISABLE) {
+ /*
+ * If we are told to disable, note that so link-recovery
+ * code does not attempt to bring us back up.
+ */
+ preempt_disable();
+ dd->ipath_flags |= IPATH_IB_LINK_DISABLED;
+ preempt_enable();
+ } else if (linitcmd) {
+ /*
+ * Any other linkinitcmd will lead to LINKDOWN and then
+ * to INIT (if all is well), so clear flag to let
+ * link-recovery code attempt to bring us back up.
+ */
+ preempt_disable();
+ dd->ipath_flags &= ~IPATH_IB_LINK_DISABLED;
+ preempt_enable();
+ }
+
+ mod_wd = (linkcmd << dd->ibcc_lc_shift) |
+ (linitcmd << INFINIPATH_IBCC_LINKINITCMD_SHIFT);
+ ipath_cdbg(VERBOSE,
+ "Moving unit %u to %s (initcmd=0x%x), current ltstate is %s\n",
+ dd->ipath_unit, what[linkcmd], linitcmd,
+ ipath_ibcstatus_str[ipath_ib_linktrstate(dd,
+ ipath_read_kreg64(dd, dd->ipath_kregs->kr_ibcstatus))]);
ipath_write_kreg(dd, dd->ipath_kregs->kr_ibcctrl,
- dd->ipath_ibcctrl | which);
+ dd->ipath_ibcctrl | mod_wd);
+ /* read from chip so write is flushed */
+ (void) ipath_read_kreg64(dd, dd->ipath_kregs->kr_ibcstatus);
}
int ipath_set_linkstate(struct ipath_devdata *dd, u8 newstate)
@@ -1687,30 +1928,28 @@
switch (newstate) {
case IPATH_IB_LINKDOWN_ONLY:
- ipath_set_ib_lstate(dd, INFINIPATH_IBCC_LINKCMD_DOWN <<
- INFINIPATH_IBCC_LINKCMD_SHIFT);
+ ipath_set_ib_lstate(dd, INFINIPATH_IBCC_LINKCMD_DOWN, 0);
/* don't wait */
ret = 0;
goto bail;
case IPATH_IB_LINKDOWN:
- ipath_set_ib_lstate(dd, INFINIPATH_IBCC_LINKINITCMD_POLL <<
- INFINIPATH_IBCC_LINKINITCMD_SHIFT);
+ ipath_set_ib_lstate(dd, INFINIPATH_IBCC_LINKCMD_DOWN,
+ INFINIPATH_IBCC_LINKINITCMD_POLL);
/* don't wait */
ret = 0;
goto bail;
case IPATH_IB_LINKDOWN_SLEEP:
- ipath_set_ib_lstate(dd, INFINIPATH_IBCC_LINKINITCMD_SLEEP <<
- INFINIPATH_IBCC_LINKINITCMD_SHIFT);
+ ipath_set_ib_lstate(dd, INFINIPATH_IBCC_LINKCMD_DOWN,
+ INFINIPATH_IBCC_LINKINITCMD_SLEEP);
/* don't wait */
ret = 0;
goto bail;
case IPATH_IB_LINKDOWN_DISABLE:
- ipath_set_ib_lstate(dd,
- INFINIPATH_IBCC_LINKINITCMD_DISABLE <<
- INFINIPATH_IBCC_LINKINITCMD_SHIFT);
+ ipath_set_ib_lstate(dd, INFINIPATH_IBCC_LINKCMD_DOWN,
+ INFINIPATH_IBCC_LINKINITCMD_DISABLE);
/* don't wait */
ret = 0;
goto bail;
@@ -1725,8 +1964,8 @@
ret = -EINVAL;
goto bail;
}
- ipath_set_ib_lstate(dd, INFINIPATH_IBCC_LINKCMD_ARMED <<
- INFINIPATH_IBCC_LINKCMD_SHIFT);
+ ipath_set_ib_lstate(dd, INFINIPATH_IBCC_LINKCMD_ARMED, 0);
+
/*
* Since the port can transition to ACTIVE by receiving
* a non VL 15 packet, wait for either state.
@@ -1743,8 +1982,7 @@
ret = -EINVAL;
goto bail;
}
- ipath_set_ib_lstate(dd, INFINIPATH_IBCC_LINKCMD_ACTIVE <<
- INFINIPATH_IBCC_LINKCMD_SHIFT);
+ ipath_set_ib_lstate(dd, INFINIPATH_IBCC_LINKCMD_ACTIVE, 0);
lstate = IPATH_LINKACTIVE;
break;
@@ -1753,16 +1991,41 @@
dd->ipath_ibcctrl |= INFINIPATH_IBCC_LOOPBACK;
ipath_write_kreg(dd, dd->ipath_kregs->kr_ibcctrl,
dd->ipath_ibcctrl);
+
+ /* turn heartbeat off, as it causes loopback to fail */
+ dd->ipath_f_set_ib_cfg(dd, IPATH_IB_CFG_HRTBT,
+ IPATH_IB_HRTBT_OFF);
+ /* don't wait */
ret = 0;
- goto bail; // no state change to wait for
+ goto bail;
case IPATH_IB_LINK_EXTERNAL:
- dev_info(&dd->pcidev->dev, "Disabling IB local loopback (normal)\n");
+ dev_info(&dd->pcidev->dev,
+ "Disabling IB local loopback (normal)\n");
+ dd->ipath_f_set_ib_cfg(dd, IPATH_IB_CFG_HRTBT,
+ IPATH_IB_HRTBT_ON);
dd->ipath_ibcctrl &= ~INFINIPATH_IBCC_LOOPBACK;
ipath_write_kreg(dd, dd->ipath_kregs->kr_ibcctrl,
dd->ipath_ibcctrl);
+ /* don't wait */
ret = 0;
- goto bail; // no state change to wait for
+ goto bail;
+
+ /*
+ * Heartbeat can be explicitly enabled by the user via
+ * "hrtbt_enable" "file", and if disabled, trying to enable here
+ * will have no effect. Implicit changes (heartbeat off when
+ * loopback on, and vice versa) are included to ease testing.
+ */
+ case IPATH_IB_LINK_HRTBT:
+ ret = dd->ipath_f_set_ib_cfg(dd, IPATH_IB_CFG_HRTBT,
+ IPATH_IB_HRTBT_ON);
+ goto bail;
+
+ case IPATH_IB_LINK_NO_HRTBT:
+ ret = dd->ipath_f_set_ib_cfg(dd, IPATH_IB_CFG_HRTBT,
+ IPATH_IB_HRTBT_OFF);
+ goto bail;
default:
ipath_dbg("Invalid linkstate 0x%x requested\n", newstate);
@@ -1785,7 +2048,7 @@
* sanity checking on this, and we don't deal with what happens to
* programs that are already running when the size changes.
* NOTE: changing the MTU will usually cause the IBC to go back to
- * link initialize (IPATH_IBSTATE_INIT) state...
+ * link INIT state...
*/
int ipath_set_mtu(struct ipath_devdata *dd, u16 arg)
{
@@ -1800,7 +2063,7 @@
* piosize). We check that it's one of the valid IB sizes.
*/
if (arg != 256 && arg != 512 && arg != 1024 && arg != 2048 &&
- arg != 4096) {
+ (arg != 4096 || !ipath_mtu4096)) {
ipath_dbg("Trying to set invalid mtu %u, failing\n", arg);
ret = -EINVAL;
goto bail;
@@ -1816,6 +2079,8 @@
if (arg >= (piosize - IPATH_PIO_MAXIBHDR)) {
/* Only if it's not the initial value (or reset to it) */
if (piosize != dd->ipath_init_ibmaxlen) {
+ if (arg > piosize && arg <= dd->ipath_init_ibmaxlen)
+ piosize = dd->ipath_init_ibmaxlen;
dd->ipath_ibmaxlen = piosize;
changed = 1;
}
@@ -1829,24 +2094,17 @@
}
if (changed) {
+ u64 ibc = dd->ipath_ibcctrl, ibdw;
/*
- * set the IBC maxpktlength to the size of our pio
- * buffers in words
+ * update our housekeeping variables, and set IBC max
+ * size, same as init code; max IBC is max we allow in
+ * buffer, less the qword pbc, plus 1 for ICRC, in dwords
*/
- u64 ibc = dd->ipath_ibcctrl;
+ dd->ipath_ibmaxlen = piosize - 2 * sizeof(u32);
+ ibdw = (dd->ipath_ibmaxlen >> 2) + 1;
ibc &= ~(INFINIPATH_IBCC_MAXPKTLEN_MASK <<
- INFINIPATH_IBCC_MAXPKTLEN_SHIFT);
-
- piosize = piosize - 2 * sizeof(u32); /* ignore pbc */
- dd->ipath_ibmaxlen = piosize;
- piosize /= sizeof(u32); /* in words */
- /*
- * for ICRC, which we only send in diag test pkt mode, and
- * we don't need to worry about that for mtu
- */
- piosize += 1;
-
- ibc |= piosize << INFINIPATH_IBCC_MAXPKTLEN_SHIFT;
+ dd->ibcc_mpl_shift);
+ ibc |= ibdw << dd->ibcc_mpl_shift;
dd->ipath_ibcctrl = ibc;
ipath_write_kreg(dd, dd->ipath_kregs->kr_ibcctrl,
dd->ipath_ibcctrl);
@@ -1859,11 +2117,16 @@
return ret;
}
-int ipath_set_lid(struct ipath_devdata *dd, u32 arg, u8 lmc)
+int ipath_set_lid(struct ipath_devdata *dd, u32 lid, u8 lmc)
{
- dd->ipath_lid = arg;
+ dd->ipath_lid = lid;
dd->ipath_lmc = lmc;
+ dd->ipath_f_set_ib_cfg(dd, IPATH_IB_CFG_LIDLMC, lid |
+ (~((1U << lmc) - 1)) << 16);
+
+ dev_info(&dd->pcidev->dev, "We got a lid: 0x%x\n", lid);
+
return 0;
}
@@ -1925,10 +2188,8 @@
* but leave that to per-chip functions.
*/
val = ipath_read_kreg64(dd, dd->ipath_kregs->kr_ibcstatus);
- ltstate = (val >> INFINIPATH_IBCS_LINKTRAININGSTATE_SHIFT) &
- INFINIPATH_IBCS_LINKTRAININGSTATE_MASK;
- lstate = (val >> INFINIPATH_IBCS_LINKSTATE_SHIFT) &
- INFINIPATH_IBCS_LINKSTATE_MASK;
+ ltstate = ipath_ib_linktrstate(dd, val);
+ lstate = ipath_ib_linkstate(dd, val);
dd->ipath_f_setextled(dd, lstate, ltstate);
mod_timer(&dd->ipath_led_override_timer, jiffies + timeoff);
@@ -1969,9 +2230,8 @@
dd->ipath_led_override_timer.data = (unsigned long) dd;
dd->ipath_led_override_timer.expires = jiffies + 1;
add_timer(&dd->ipath_led_override_timer);
- } else {
+ } else
atomic_dec(&dd->ipath_led_override_timer_active);
- }
}
/**
@@ -1989,6 +2249,8 @@
ipath_dbg("Shutting down the device\n");
+ ipath_hol_up(dd); /* make sure user processes aren't suspended */
+
dd->ipath_flags |= IPATH_LINKUNK;
dd->ipath_flags &= ~(IPATH_INITTED | IPATH_LINKDOWN |
IPATH_LINKINIT | IPATH_LINKARMED |
@@ -2003,6 +2265,9 @@
ipath_write_kreg(dd, dd->ipath_kregs->kr_rcvctrl,
dd->ipath_rcvctrl);
+ if (dd->ipath_flags & IPATH_HAS_SEND_DMA)
+ teardown_sdma(dd);
+
/*
* gracefully stop all sends allowing any in progress to trickle out
* first.
@@ -2020,10 +2285,16 @@
*/
udelay(5);
- ipath_set_ib_lstate(dd, INFINIPATH_IBCC_LINKINITCMD_DISABLE <<
- INFINIPATH_IBCC_LINKINITCMD_SHIFT);
+ dd->ipath_f_setextled(dd, 0, 0); /* make sure LEDs are off */
+
+ ipath_set_ib_lstate(dd, 0, INFINIPATH_IBCC_LINKINITCMD_DISABLE);
ipath_cancel_sends(dd, 0);
+ /*
+ * we are shutting down, so tell components that care. We don't do
+ * this on just a link state change, much like ethernet, a cable
+ * unplug, etc. doesn't change driver state
+ */
signal_ib_event(dd, IB_EVENT_PORT_ERR);
/* disable IBC */
@@ -2038,10 +2309,20 @@
*/
dd->ipath_f_quiet_serdes(dd);
+ /* stop all the timers that might still be running */
+ del_timer_sync(&dd->ipath_hol_timer);
if (dd->ipath_stats_timer_active) {
del_timer_sync(&dd->ipath_stats_timer);
dd->ipath_stats_timer_active = 0;
}
+ if (dd->ipath_intrchk_timer.data) {
+ del_timer_sync(&dd->ipath_intrchk_timer);
+ dd->ipath_intrchk_timer.data = 0;
+ }
+ if (atomic_read(&dd->ipath_led_override_timer_active)) {
+ del_timer_sync(&dd->ipath_led_override_timer);
+ atomic_set(&dd->ipath_led_override_timer_active, 0);
+ }
/*
* clear all interrupts and errors, so that the next time the driver
@@ -2115,13 +2396,13 @@
ipath_cdbg(VERBOSE, "free closed port %d "
"ipath_port0_skbinfo @ %p\n", pd->port_port,
skbinfo);
- for (e = 0; e < dd->ipath_rcvegrcnt; e++)
- if (skbinfo[e].skb) {
- pci_unmap_single(dd->pcidev, skbinfo[e].phys,
- dd->ipath_ibmaxlen,
- PCI_DMA_FROMDEVICE);
- dev_kfree_skb(skbinfo[e].skb);
- }
+ for (e = 0; e < dd->ipath_p0_rcvegrcnt; e++)
+ if (skbinfo[e].skb) {
+ pci_unmap_single(dd->pcidev, skbinfo[e].phys,
+ dd->ipath_ibmaxlen,
+ PCI_DMA_FROMDEVICE);
+ dev_kfree_skb(skbinfo[e].skb);
+ }
vfree(skbinfo);
}
kfree(pd->port_tid_pg_list);
@@ -2144,6 +2425,7 @@
*/
idr_init(&unit_table);
if (!idr_pre_get(&unit_table, GFP_KERNEL)) {
+ printk(KERN_ERR IPATH_DRV_NAME ": idr_pre_get() failed\n");
ret = -ENOMEM;
goto bail;
}
@@ -2235,13 +2517,18 @@
}
}
+ if (dd->ipath_flags & IPATH_HAS_SEND_DMA)
+ teardown_sdma(dd);
+
dd->ipath_flags &= ~IPATH_INITTED;
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_intmask, 0ULL);
ret = dd->ipath_f_reset(dd);
- if (ret != 1)
- ipath_dbg("reset was not successful\n");
- ipath_dbg("Trying to reinitialize unit %u after reset attempt\n",
- unit);
- ret = ipath_init_chip(dd, 1);
+ if (ret == 1) {
+ ipath_dbg("Reinitializing unit %u after reset attempt\n",
+ unit);
+ ret = ipath_init_chip(dd, 1);
+ } else
+ ret = -EAGAIN;
if (ret)
ipath_dev_err(dd, "Reinitialize unit %u after "
"reset failed with %d\n", unit, ret);
@@ -2253,13 +2540,121 @@
return ret;
}
+/*
+ * send a signal to all the processes that have the driver open
+ * through the normal interfaces (i.e., everything other than diags
+ * interface). Returns number of signalled processes.
+ */
+static int ipath_signal_procs(struct ipath_devdata *dd, int sig)
+{
+ int i, sub, any = 0;
+ pid_t pid;
+
+ if (!dd->ipath_pd)
+ return 0;
+ for (i = 1; i < dd->ipath_cfgports; i++) {
+ if (!dd->ipath_pd[i] || !dd->ipath_pd[i]->port_cnt ||
+ !dd->ipath_pd[i]->port_pid)
+ continue;
+ pid = dd->ipath_pd[i]->port_pid;
+ dev_info(&dd->pcidev->dev, "context %d in use "
+ "(PID %u), sending signal %d\n",
+ i, pid, sig);
+ kill_proc(pid, sig, 1);
+ any++;
+ for (sub = 0; sub < INFINIPATH_MAX_SUBPORT; sub++) {
+ pid = dd->ipath_pd[i]->port_subpid[sub];
+ if (!pid)
+ continue;
+ dev_info(&dd->pcidev->dev, "sub-context "
+ "%d:%d in use (PID %u), sending "
+ "signal %d\n", i, sub, pid, sig);
+ kill_proc(pid, sig, 1);
+ any++;
+ }
+ }
+ return any;
+}
+
+static void ipath_hol_signal_down(struct ipath_devdata *dd)
+{
+ if (ipath_signal_procs(dd, SIGSTOP))
+ ipath_dbg("Stopped some processes\n");
+ ipath_cancel_sends(dd, 1);
+}
+
+
+static void ipath_hol_signal_up(struct ipath_devdata *dd)
+{
+ if (ipath_signal_procs(dd, SIGCONT))
+ ipath_dbg("Continued some processes\n");
+}
+
+/*
+ * link is down, stop any users processes, and flush pending sends
+ * to prevent HoL blocking, then start the HoL timer that
+ * periodically continues, then stop procs, so they can detect
+ * link down if they want, and do something about it.
+ * Timer may already be running, so use __mod_timer, not add_timer.
+ */
+void ipath_hol_down(struct ipath_devdata *dd)
+{
+ dd->ipath_hol_state = IPATH_HOL_DOWN;
+ ipath_hol_signal_down(dd);
+ dd->ipath_hol_next = IPATH_HOL_DOWNCONT;
+ dd->ipath_hol_timer.expires = jiffies +
+ msecs_to_jiffies(ipath_hol_timeout_ms);
+ __mod_timer(&dd->ipath_hol_timer, dd->ipath_hol_timer.expires);
+}
+
+/*
+ * link is up, continue any user processes, and ensure timer
+ * is a nop, if running. Let timer keep running, if set; it
+ * will nop when it sees the link is up
+ */
+void ipath_hol_up(struct ipath_devdata *dd)
+{
+ ipath_hol_signal_up(dd);
+ dd->ipath_hol_state = IPATH_HOL_UP;
+}
+
+/*
+ * toggle the running/not running state of user proceses
+ * to prevent HoL blocking on chip resources, but still allow
+ * user processes to do link down special case handling.
+ * Should only be called via the timer
+ */
+void ipath_hol_event(unsigned long opaque)
+{
+ struct ipath_devdata *dd = (struct ipath_devdata *)opaque;
+
+ if (dd->ipath_hol_next == IPATH_HOL_DOWNSTOP
+ && dd->ipath_hol_state != IPATH_HOL_UP) {
+ dd->ipath_hol_next = IPATH_HOL_DOWNCONT;
+ ipath_dbg("Stopping processes\n");
+ ipath_hol_signal_down(dd);
+ } else { /* may do "extra" if also in ipath_hol_up() */
+ dd->ipath_hol_next = IPATH_HOL_DOWNSTOP;
+ ipath_dbg("Continuing processes\n");
+ ipath_hol_signal_up(dd);
+ }
+ if (dd->ipath_hol_state == IPATH_HOL_UP)
+ ipath_dbg("link's up, don't resched timer\n");
+ else {
+ dd->ipath_hol_timer.expires = jiffies +
+ msecs_to_jiffies(ipath_hol_timeout_ms);
+ __mod_timer(&dd->ipath_hol_timer,
+ dd->ipath_hol_timer.expires);
+ }
+}
+
int ipath_set_rx_pol_inv(struct ipath_devdata *dd, u8 new_pol_inv)
{
u64 val;
- if ( new_pol_inv > INFINIPATH_XGXS_RX_POL_MASK ) {
+
+ if (new_pol_inv > INFINIPATH_XGXS_RX_POL_MASK)
return -1;
- }
- if ( dd->ipath_rx_pol_inv != new_pol_inv ) {
+ if (dd->ipath_rx_pol_inv != new_pol_inv) {
dd->ipath_rx_pol_inv = new_pol_inv;
val = ipath_read_kreg64(dd, dd->ipath_kregs->kr_xgxsconfig);
val &= ~(INFINIPATH_XGXS_RX_POL_MASK <<
diff --git a/drivers/infiniband/hw/ipath/ipath_eeprom.c b/drivers/infiniband/hw/ipath/ipath_eeprom.c
index e28a42f..dc37277 100644
--- a/drivers/infiniband/hw/ipath/ipath_eeprom.c
+++ b/drivers/infiniband/hw/ipath/ipath_eeprom.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2006, 2007 QLogic Corporation. All rights reserved.
+ * Copyright (c) 2006, 2007, 2008 QLogic Corporation. All rights reserved.
* Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved.
*
* This software is available to you under a choice of one of two
@@ -62,6 +62,33 @@
* accessing eeprom contents from within the kernel, only via sysfs.
*/
+/* Added functionality for IBA7220-based cards */
+#define IPATH_EEPROM_DEV_V1 0xA0
+#define IPATH_EEPROM_DEV_V2 0xA2
+#define IPATH_TEMP_DEV 0x98
+#define IPATH_BAD_DEV (IPATH_EEPROM_DEV_V2+2)
+#define IPATH_NO_DEV (0xFF)
+
+/*
+ * The number of I2C chains is proliferating. Table below brings
+ * some order to the madness. The basic principle is that the
+ * table is scanned from the top, and a "probe" is made to the
+ * device probe_dev. If that succeeds, the chain is considered
+ * to be of that type, and dd->i2c_chain_type is set to the index+1
+ * of the entry.
+ * The +1 is so static initialization can mean "unknown, do probe."
+ */
+static struct i2c_chain_desc {
+ u8 probe_dev; /* If seen at probe, chain is this type */
+ u8 eeprom_dev; /* Dev addr (if any) for EEPROM */
+ u8 temp_dev; /* Dev Addr (if any) for Temp-sense */
+} i2c_chains[] = {
+ { IPATH_BAD_DEV, IPATH_NO_DEV, IPATH_NO_DEV }, /* pre-iba7220 bds */
+ { IPATH_EEPROM_DEV_V1, IPATH_EEPROM_DEV_V1, IPATH_TEMP_DEV}, /* V1 */
+ { IPATH_EEPROM_DEV_V2, IPATH_EEPROM_DEV_V2, IPATH_TEMP_DEV}, /* V2 */
+ { IPATH_NO_DEV }
+};
+
enum i2c_type {
i2c_line_scl = 0,
i2c_line_sda
@@ -75,13 +102,6 @@
#define READ_CMD 1
#define WRITE_CMD 0
-static int eeprom_init;
-
-/*
- * The gpioval manipulation really should be protected by spinlocks
- * or be converted to use atomic operations.
- */
-
/**
* i2c_gpio_set - set a GPIO line
* @dd: the infinipath device
@@ -241,6 +261,27 @@
}
/**
+ * rd_byte - read a byte, leaving ACK, STOP, etc up to caller
+ * @dd: the infinipath device
+ *
+ * Returns byte shifted out of device
+ */
+static int rd_byte(struct ipath_devdata *dd)
+{
+ int bit_cntr, data;
+
+ data = 0;
+
+ for (bit_cntr = 7; bit_cntr >= 0; --bit_cntr) {
+ data <<= 1;
+ scl_out(dd, i2c_line_high);
+ data |= sda_in(dd, 0);
+ scl_out(dd, i2c_line_low);
+ }
+ return data;
+}
+
+/**
* wr_byte - write a byte, one bit at a time
* @dd: the infinipath device
* @data: the byte to write
@@ -331,7 +372,6 @@
ipath_cdbg(VERBOSE, "Resetting i2c eeprom; initial gpioout reg "
"is %llx\n", (unsigned long long) *gpioval);
- eeprom_init = 1;
/*
* This is to get the i2c into a known state, by first going low,
* then tristate sda (and then tristate scl as first thing
@@ -340,12 +380,17 @@
scl_out(dd, i2c_line_low);
sda_out(dd, i2c_line_high);
+ /* Clock up to 9 cycles looking for SDA hi, then issue START and STOP */
while (clock_cycles_left--) {
scl_out(dd, i2c_line_high);
+ /* SDA seen high, issue START by dropping it while SCL high */
if (sda_in(dd, 0)) {
sda_out(dd, i2c_line_low);
scl_out(dd, i2c_line_low);
+ /* ATMEL spec says must be followed by STOP. */
+ scl_out(dd, i2c_line_high);
+ sda_out(dd, i2c_line_high);
ret = 0;
goto bail;
}
@@ -359,29 +404,121 @@
return ret;
}
-/**
- * ipath_eeprom_read - receives bytes from the eeprom via I2C
- * @dd: the infinipath device
- * @eeprom_offset: address to read from
- * @buffer: where to store result
- * @len: number of bytes to receive
+/*
+ * Probe for I2C device at specified address. Returns 0 for "success"
+ * to match rest of this file.
+ * Leave bus in "reasonable" state for further commands.
*/
+static int i2c_probe(struct ipath_devdata *dd, int devaddr)
+{
+ int ret = 0;
+
+ ret = eeprom_reset(dd);
+ if (ret) {
+ ipath_dev_err(dd, "Failed reset probing device 0x%02X\n",
+ devaddr);
+ return ret;
+ }
+ /*
+ * Reset no longer leaves bus in start condition, so normal
+ * i2c_startcmd() will do.
+ */
+ ret = i2c_startcmd(dd, devaddr | READ_CMD);
+ if (ret)
+ ipath_cdbg(VERBOSE, "Failed startcmd for device 0x%02X\n",
+ devaddr);
+ else {
+ /*
+ * Device did respond. Complete a single-byte read, because some
+ * devices apparently cannot handle STOP immediately after they
+ * ACK the start-cmd.
+ */
+ int data;
+ data = rd_byte(dd);
+ stop_cmd(dd);
+ ipath_cdbg(VERBOSE, "Response from device 0x%02X\n", devaddr);
+ }
+ return ret;
+}
+
+/*
+ * Returns the "i2c type". This is a pointer to a struct that describes
+ * the I2C chain on this board. To minimize impact on struct ipath_devdata,
+ * the (small integer) index into the table is actually memoized, rather
+ * then the pointer.
+ * Memoization is because the type is determined on the first call per chip.
+ * An alternative would be to move type determination to early
+ * init code.
+ */
+static struct i2c_chain_desc *ipath_i2c_type(struct ipath_devdata *dd)
+{
+ int idx;
+
+ /* Get memoized index, from previous successful probes */
+ idx = dd->ipath_i2c_chain_type - 1;
+ if (idx >= 0 && idx < (ARRAY_SIZE(i2c_chains) - 1))
+ goto done;
+
+ idx = 0;
+ while (i2c_chains[idx].probe_dev != IPATH_NO_DEV) {
+ /* if probe succeeds, this is type */
+ if (!i2c_probe(dd, i2c_chains[idx].probe_dev))
+ break;
+ ++idx;
+ }
+
+ /*
+ * Old EEPROM (first entry) may require a reset after probe,
+ * rather than being able to "start" after "stop"
+ */
+ if (idx == 0)
+ eeprom_reset(dd);
+
+ if (i2c_chains[idx].probe_dev == IPATH_NO_DEV)
+ idx = -1;
+ else
+ dd->ipath_i2c_chain_type = idx + 1;
+done:
+ return (idx >= 0) ? i2c_chains + idx : NULL;
+}
static int ipath_eeprom_internal_read(struct ipath_devdata *dd,
u8 eeprom_offset, void *buffer, int len)
{
- /* compiler complains unless initialized */
- u8 single_byte = 0;
- int bit_cntr;
int ret;
+ struct i2c_chain_desc *icd;
+ u8 *bp = buffer;
- if (!eeprom_init)
- eeprom_reset(dd);
+ ret = 1;
+ icd = ipath_i2c_type(dd);
+ if (!icd)
+ goto bail;
- eeprom_offset = (eeprom_offset << 1) | READ_CMD;
-
- if (i2c_startcmd(dd, eeprom_offset)) {
- ipath_dbg("Failed startcmd\n");
+ if (icd->eeprom_dev == IPATH_NO_DEV) {
+ /* legacy not-really-I2C */
+ ipath_cdbg(VERBOSE, "Start command only address\n");
+ eeprom_offset = (eeprom_offset << 1) | READ_CMD;
+ ret = i2c_startcmd(dd, eeprom_offset);
+ } else {
+ /* Actual I2C */
+ ipath_cdbg(VERBOSE, "Start command uses devaddr\n");
+ if (i2c_startcmd(dd, icd->eeprom_dev | WRITE_CMD)) {
+ ipath_dbg("Failed EEPROM startcmd\n");
+ stop_cmd(dd);
+ ret = 1;
+ goto bail;
+ }
+ ret = wr_byte(dd, eeprom_offset);
+ stop_cmd(dd);
+ if (ret) {
+ ipath_dev_err(dd, "Failed to write EEPROM address\n");
+ ret = 1;
+ goto bail;
+ }
+ ret = i2c_startcmd(dd, icd->eeprom_dev | READ_CMD);
+ }
+ if (ret) {
+ ipath_dbg("Failed startcmd for dev %02X\n", icd->eeprom_dev);
stop_cmd(dd);
ret = 1;
goto bail;
@@ -392,22 +529,11 @@
* incrementing the address.
*/
while (len-- > 0) {
- /* get data */
- single_byte = 0;
- for (bit_cntr = 8; bit_cntr; bit_cntr--) {
- u8 bit;
- scl_out(dd, i2c_line_high);
- bit = sda_in(dd, 0);
- single_byte |= bit << (bit_cntr - 1);
- scl_out(dd, i2c_line_low);
- }
-
+ /* get and store data */
+ *bp++ = rd_byte(dd);
/* send ack if not the last byte */
if (len)
send_ack(dd);
-
- *((u8 *) buffer) = single_byte;
- buffer++;
}
stop_cmd(dd);
@@ -418,31 +544,40 @@
return ret;
}
-
-/**
- * ipath_eeprom_write - writes data to the eeprom via I2C
- * @dd: the infinipath device
- * @eeprom_offset: where to place data
- * @buffer: data to write
- * @len: number of bytes to write
- */
static int ipath_eeprom_internal_write(struct ipath_devdata *dd, u8 eeprom_offset,
const void *buffer, int len)
{
- u8 single_byte;
int sub_len;
const u8 *bp = buffer;
int max_wait_time, i;
int ret;
+ struct i2c_chain_desc *icd;
- if (!eeprom_init)
- eeprom_reset(dd);
+ ret = 1;
+ icd = ipath_i2c_type(dd);
+ if (!icd)
+ goto bail;
while (len > 0) {
- if (i2c_startcmd(dd, (eeprom_offset << 1) | WRITE_CMD)) {
- ipath_dbg("Failed to start cmd offset %u\n",
- eeprom_offset);
- goto failed_write;
+ if (icd->eeprom_dev == IPATH_NO_DEV) {
+ if (i2c_startcmd(dd,
+ (eeprom_offset << 1) | WRITE_CMD)) {
+ ipath_dbg("Failed to start cmd offset %u\n",
+ eeprom_offset);
+ goto failed_write;
+ }
+ } else {
+ /* Real I2C */
+ if (i2c_startcmd(dd, icd->eeprom_dev | WRITE_CMD)) {
+ ipath_dbg("Failed EEPROM startcmd\n");
+ goto failed_write;
+ }
+ ret = wr_byte(dd, eeprom_offset);
+ if (ret) {
+ ipath_dev_err(dd, "Failed to write EEPROM "
+ "address\n");
+ goto failed_write;
+ }
}
sub_len = min(len, 4);
@@ -468,9 +603,11 @@
* the writes have completed. We do this inline to avoid
* the debug prints that are in the real read routine
* if the startcmd fails.
+ * We also use the proper device address, so it doesn't matter
+ * whether we have real eeprom_dev. legacy likes any address.
*/
max_wait_time = 100;
- while (i2c_startcmd(dd, READ_CMD)) {
+ while (i2c_startcmd(dd, icd->eeprom_dev | READ_CMD)) {
stop_cmd(dd);
if (!--max_wait_time) {
ipath_dbg("Did not get successful read to "
@@ -478,15 +615,8 @@
goto failed_write;
}
}
- /* now read the zero byte */
- for (i = single_byte = 0; i < 8; i++) {
- u8 bit;
- scl_out(dd, i2c_line_high);
- bit = sda_in(dd, 0);
- scl_out(dd, i2c_line_low);
- single_byte <<= 1;
- single_byte |= bit;
- }
+ /* now read (and ignore) the resulting byte */
+ rd_byte(dd);
stop_cmd(dd);
}
@@ -501,9 +631,12 @@
return ret;
}
-/*
- * The public entry-points ipath_eeprom_read() and ipath_eeprom_write()
- * are now just wrappers around the internal functions.
+/**
+ * ipath_eeprom_read - receives bytes from the eeprom via I2C
+ * @dd: the infinipath device
+ * @eeprom_offset: address to read from
+ * @buffer: where to store result
+ * @len: number of bytes to receive
*/
int ipath_eeprom_read(struct ipath_devdata *dd, u8 eeprom_offset,
void *buff, int len)
@@ -519,6 +652,13 @@
return ret;
}
+/**
+ * ipath_eeprom_write - writes data to the eeprom via I2C
+ * @dd: the infinipath device
+ * @eeprom_offset: where to place data
+ * @buffer: data to write
+ * @len: number of bytes to write
+ */
int ipath_eeprom_write(struct ipath_devdata *dd, u8 eeprom_offset,
const void *buff, int len)
{
@@ -820,7 +960,7 @@
* if we log an hour at 31 minutes, then we would need to set
* active_time to -29 to accurately count the _next_ hour.
*/
- if (new_time > 3600) {
+ if (new_time >= 3600) {
new_hrs = new_time / 3600;
atomic_sub((new_hrs * 3600), &dd->ipath_active_time);
new_hrs += dd->ipath_eep_hrs;
@@ -885,3 +1025,159 @@
spin_unlock_irqrestore(&dd->ipath_eep_st_lock, flags);
return;
}
+
+static int ipath_tempsense_internal_read(struct ipath_devdata *dd, u8 regnum)
+{
+ int ret;
+ struct i2c_chain_desc *icd;
+
+ ret = -ENOENT;
+
+ icd = ipath_i2c_type(dd);
+ if (!icd)
+ goto bail;
+
+ if (icd->temp_dev == IPATH_NO_DEV) {
+ /* tempsense only exists on new, real-I2C boards */
+ ret = -ENXIO;
+ goto bail;
+ }
+
+ if (i2c_startcmd(dd, icd->temp_dev | WRITE_CMD)) {
+ ipath_dbg("Failed tempsense startcmd\n");
+ stop_cmd(dd);
+ ret = -ENXIO;
+ goto bail;
+ }
+ ret = wr_byte(dd, regnum);
+ stop_cmd(dd);
+ if (ret) {
+ ipath_dev_err(dd, "Failed tempsense WR command %02X\n",
+ regnum);
+ ret = -ENXIO;
+ goto bail;
+ }
+ if (i2c_startcmd(dd, icd->temp_dev | READ_CMD)) {
+ ipath_dbg("Failed tempsense RD startcmd\n");
+ stop_cmd(dd);
+ ret = -ENXIO;
+ goto bail;
+ }
+ /*
+ * We can only clock out one byte per command, sensibly
+ */
+ ret = rd_byte(dd);
+ stop_cmd(dd);
+
+bail:
+ return ret;
+}
+
+#define VALID_TS_RD_REG_MASK 0xBF
+
+/**
+ * ipath_tempsense_read - read register of temp sensor via I2C
+ * @dd: the infinipath device
+ * @regnum: register to read from
+ *
+ * returns reg contents (0..255) or < 0 for error
+ */
+int ipath_tempsense_read(struct ipath_devdata *dd, u8 regnum)
+{
+ int ret;
+
+ if (regnum > 7)
+ return -EINVAL;
+
+ /* return a bogus value for (the one) register we do not have */
+ if (!((1 << regnum) & VALID_TS_RD_REG_MASK))
+ return 0;
+
+ ret = mutex_lock_interruptible(&dd->ipath_eep_lock);
+ if (!ret) {
+ ret = ipath_tempsense_internal_read(dd, regnum);
+ mutex_unlock(&dd->ipath_eep_lock);
+ }
+
+ /*
+ * There are three possibilities here:
+ * ret is actual value (0..255)
+ * ret is -ENXIO or -EINVAL from code in this file
+ * ret is -EINTR from mutex_lock_interruptible.
+ */
+ return ret;
+}
+
+static int ipath_tempsense_internal_write(struct ipath_devdata *dd,
+ u8 regnum, u8 data)
+{
+ int ret = -ENOENT;
+ struct i2c_chain_desc *icd;
+
+ icd = ipath_i2c_type(dd);
+ if (!icd)
+ goto bail;
+
+ if (icd->temp_dev == IPATH_NO_DEV) {
+ /* tempsense only exists on new, real-I2C boards */
+ ret = -ENXIO;
+ goto bail;
+ }
+ if (i2c_startcmd(dd, icd->temp_dev | WRITE_CMD)) {
+ ipath_dbg("Failed tempsense startcmd\n");
+ stop_cmd(dd);
+ ret = -ENXIO;
+ goto bail;
+ }
+ ret = wr_byte(dd, regnum);
+ if (ret) {
+ stop_cmd(dd);
+ ipath_dev_err(dd, "Failed to write tempsense command %02X\n",
+ regnum);
+ ret = -ENXIO;
+ goto bail;
+ }
+ ret = wr_byte(dd, data);
+ stop_cmd(dd);
+ ret = i2c_startcmd(dd, icd->temp_dev | READ_CMD);
+ if (ret) {
+ ipath_dev_err(dd, "Failed tempsense data wrt to %02X\n",
+ regnum);
+ ret = -ENXIO;
+ }
+
+bail:
+ return ret;
+}
+
+#define VALID_TS_WR_REG_MASK ((1 << 9) | (1 << 0xB) | (1 << 0xD))
+
+/**
+ * ipath_tempsense_write - write register of temp sensor via I2C
+ * @dd: the infinipath device
+ * @regnum: register to write
+ * @data: data to write
+ *
+ * returns 0 for success or < 0 for error
+ */
+int ipath_tempsense_write(struct ipath_devdata *dd, u8 regnum, u8 data)
+{
+ int ret;
+
+ if (regnum > 15 || !((1 << regnum) & VALID_TS_WR_REG_MASK))
+ return -EINVAL;
+
+ ret = mutex_lock_interruptible(&dd->ipath_eep_lock);
+ if (!ret) {
+ ret = ipath_tempsense_internal_write(dd, regnum, data);
+ mutex_unlock(&dd->ipath_eep_lock);
+ }
+
+ /*
+ * There are three possibilities here:
+ * ret is 0 for success
+ * ret is -ENXIO or -EINVAL from code in this file
+ * ret is -EINTR from mutex_lock_interruptible.
+ */
+ return ret;
+}
diff --git a/drivers/infiniband/hw/ipath/ipath_file_ops.c b/drivers/infiniband/hw/ipath/ipath_file_ops.c
index 7e025c8..1e627aa 100644
--- a/drivers/infiniband/hw/ipath/ipath_file_ops.c
+++ b/drivers/infiniband/hw/ipath/ipath_file_ops.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2006, 2007 QLogic Corporation. All rights reserved.
+ * Copyright (c) 2006, 2007, 2008 QLogic Corporation. All rights reserved.
* Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved.
*
* This software is available to you under a choice of one of two
@@ -36,21 +36,28 @@
#include <linux/cdev.h>
#include <linux/swap.h>
#include <linux/vmalloc.h>
+#include <linux/highmem.h>
+#include <linux/io.h>
+#include <linux/jiffies.h>
#include <asm/pgtable.h>
#include "ipath_kernel.h"
#include "ipath_common.h"
+#include "ipath_user_sdma.h"
static int ipath_open(struct inode *, struct file *);
static int ipath_close(struct inode *, struct file *);
static ssize_t ipath_write(struct file *, const char __user *, size_t,
loff_t *);
+static ssize_t ipath_writev(struct kiocb *, const struct iovec *,
+ unsigned long , loff_t);
static unsigned int ipath_poll(struct file *, struct poll_table_struct *);
static int ipath_mmap(struct file *, struct vm_area_struct *);
static const struct file_operations ipath_file_ops = {
.owner = THIS_MODULE,
.write = ipath_write,
+ .aio_write = ipath_writev,
.open = ipath_open,
.release = ipath_close,
.poll = ipath_poll,
@@ -184,6 +191,29 @@
kinfo->spi_piobufbase = (u64) pd->port_piobufs +
dd->ipath_palign * kinfo->spi_piocnt * slave;
}
+
+ /*
+ * Set the PIO avail update threshold to no larger
+ * than the number of buffers per process. Note that
+ * we decrease it here, but won't ever increase it.
+ */
+ if (dd->ipath_pioupd_thresh &&
+ kinfo->spi_piocnt < dd->ipath_pioupd_thresh) {
+ unsigned long flags;
+
+ dd->ipath_pioupd_thresh = kinfo->spi_piocnt;
+ ipath_dbg("Decreased pio update threshold to %u\n",
+ dd->ipath_pioupd_thresh);
+ spin_lock_irqsave(&dd->ipath_sendctrl_lock, flags);
+ dd->ipath_sendctrl &= ~(INFINIPATH_S_UPDTHRESH_MASK
+ << INFINIPATH_S_UPDTHRESH_SHIFT);
+ dd->ipath_sendctrl |= dd->ipath_pioupd_thresh
+ << INFINIPATH_S_UPDTHRESH_SHIFT;
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_sendctrl,
+ dd->ipath_sendctrl);
+ spin_unlock_irqrestore(&dd->ipath_sendctrl_lock, flags);
+ }
+
if (shared) {
kinfo->spi_port_uregbase = (u64) dd->ipath_uregbase +
dd->ipath_ureg_align * pd->port_port;
@@ -219,7 +249,12 @@
kinfo->spi_pioalign = dd->ipath_palign;
kinfo->spi_qpair = IPATH_KD_QP;
- kinfo->spi_piosize = dd->ipath_ibmaxlen;
+ /*
+ * user mode PIO buffers are always 2KB, even when 4KB can
+ * be received, and sent via the kernel; this is ibmaxlen
+ * for 2K MTU.
+ */
+ kinfo->spi_piosize = dd->ipath_piosize2k - 2 * sizeof(u32);
kinfo->spi_mtu = dd->ipath_ibmaxlen; /* maxlen, not ibmtu */
kinfo->spi_port = pd->port_port;
kinfo->spi_subport = subport_fp(fp);
@@ -1598,6 +1633,9 @@
port_fp(fp) = pd;
pd->port_pid = current->pid;
strncpy(pd->port_comm, current->comm, sizeof(pd->port_comm));
+ ipath_chg_pioavailkernel(dd,
+ dd->ipath_pbufsport * (pd->port_port - 1),
+ dd->ipath_pbufsport, 0);
ipath_stats.sps_ports++;
ret = 0;
} else
@@ -1760,7 +1798,7 @@
for (ndev = 0; ndev < devmax; ndev++) {
struct ipath_devdata *dd = ipath_lookup(ndev);
- if (!dd)
+ if (!usable(dd))
continue;
for (i = 1; i < dd->ipath_cfgports; i++) {
struct ipath_portdata *pd = dd->ipath_pd[i];
@@ -1839,10 +1877,9 @@
if (ipath_compatible_subports(swmajor, swminor) &&
uinfo->spu_subport_cnt &&
(ret = find_shared_port(fp, uinfo))) {
- mutex_unlock(&ipath_mutex);
if (ret > 0)
ret = 0;
- goto done;
+ goto done_chk_sdma;
}
i_minor = iminor(fp->f_path.dentry->d_inode) - IPATH_USER_MINOR_BASE;
@@ -1854,6 +1891,21 @@
else
ret = find_best_unit(fp, uinfo);
+done_chk_sdma:
+ if (!ret) {
+ struct ipath_filedata *fd = fp->private_data;
+ const struct ipath_portdata *pd = fd->pd;
+ const struct ipath_devdata *dd = pd->port_dd;
+
+ fd->pq = ipath_user_sdma_queue_create(&dd->pcidev->dev,
+ dd->ipath_unit,
+ pd->port_port,
+ fd->subport);
+
+ if (!fd->pq)
+ ret = -ENOMEM;
+ }
+
mutex_unlock(&ipath_mutex);
done:
@@ -1922,22 +1974,25 @@
pd->port_hdrqfull_poll = pd->port_hdrqfull;
/*
- * now enable the port; the tail registers will be written to memory
- * by the chip as soon as it sees the write to
- * dd->ipath_kregs->kr_rcvctrl. The update only happens on
- * transition from 0 to 1, so clear it first, then set it as part of
- * enabling the port. This will (very briefly) affect any other
- * open ports, but it shouldn't be long enough to be an issue.
- * We explictly set the in-memory copy to 0 beforehand, so we don't
- * have to wait to be sure the DMA update has happened.
+ * Now enable the port for receive.
+ * For chips that are set to DMA the tail register to memory
+ * when they change (and when the update bit transitions from
+ * 0 to 1. So for those chips, we turn it off and then back on.
+ * This will (very briefly) affect any other open ports, but the
+ * duration is very short, and therefore isn't an issue. We
+ * explictly set the in-memory tail copy to 0 beforehand, so we
+ * don't have to wait to be sure the DMA update has happened
+ * (chip resets head/tail to 0 on transition to enable).
*/
- if (pd->port_rcvhdrtail_kvaddr)
- ipath_clear_rcvhdrtail(pd);
set_bit(dd->ipath_r_portenable_shift + pd->port_port,
&dd->ipath_rcvctrl);
- ipath_write_kreg(dd, dd->ipath_kregs->kr_rcvctrl,
+ if (!(dd->ipath_flags & IPATH_NODMA_RTAIL)) {
+ if (pd->port_rcvhdrtail_kvaddr)
+ ipath_clear_rcvhdrtail(pd);
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_rcvctrl,
dd->ipath_rcvctrl &
~(1ULL << dd->ipath_r_tailupd_shift));
+ }
ipath_write_kreg(dd, dd->ipath_kregs->kr_rcvctrl,
dd->ipath_rcvctrl);
/* Notify any waiting slaves */
@@ -1965,14 +2020,15 @@
ipath_cdbg(VERBOSE, "Port %u unlocking any locked expTID pages\n",
pd->port_port);
for (i = port_tidbase; i < maxtid; i++) {
- if (!dd->ipath_pageshadow[i])
+ struct page *ps = dd->ipath_pageshadow[i];
+
+ if (!ps)
continue;
+ dd->ipath_pageshadow[i] = NULL;
pci_unmap_page(dd->pcidev, dd->ipath_physshadow[i],
PAGE_SIZE, PCI_DMA_FROMDEVICE);
- ipath_release_user_pages_on_close(&dd->ipath_pageshadow[i],
- 1);
- dd->ipath_pageshadow[i] = NULL;
+ ipath_release_user_pages_on_close(&ps, 1);
cnt++;
ipath_stats.sps_pageunlocks++;
}
@@ -2007,6 +2063,13 @@
mutex_unlock(&ipath_mutex);
goto bail;
}
+
+ dd = pd->port_dd;
+
+ /* drain user sdma queue */
+ ipath_user_sdma_queue_drain(dd, fd->pq);
+ ipath_user_sdma_queue_destroy(fd->pq);
+
if (--pd->port_cnt) {
/*
* XXX If the master closes the port before the slave(s),
@@ -2019,7 +2082,6 @@
goto bail;
}
port = pd->port_port;
- dd = pd->port_dd;
if (pd->port_hdrqfull) {
ipath_cdbg(PROC, "%s[%u] had %u rcvhdrqfull errors "
@@ -2039,7 +2101,7 @@
pd->port_rcvnowait = pd->port_pionowait = 0;
}
if (pd->port_flag) {
- ipath_dbg("port %u port_flag still set to 0x%lx\n",
+ ipath_cdbg(PROC, "port %u port_flag set: 0x%lx\n",
pd->port_port, pd->port_flag);
pd->port_flag = 0;
}
@@ -2076,6 +2138,7 @@
i = dd->ipath_pbufsport * (port - 1);
ipath_disarm_piobufs(dd, i, dd->ipath_pbufsport);
+ ipath_chg_pioavailkernel(dd, i, dd->ipath_pbufsport, 1);
dd->ipath_f_clear_tids(dd, pd->port_port);
@@ -2140,17 +2203,31 @@
return ret;
}
-static int ipath_force_pio_avail_update(struct ipath_devdata *dd)
+static int ipath_sdma_get_inflight(struct ipath_user_sdma_queue *pq,
+ u32 __user *inflightp)
{
- unsigned long flags;
+ const u32 val = ipath_user_sdma_inflight_counter(pq);
- spin_lock_irqsave(&dd->ipath_sendctrl_lock, flags);
- ipath_write_kreg(dd, dd->ipath_kregs->kr_sendctrl,
- dd->ipath_sendctrl & ~INFINIPATH_S_PIOBUFAVAILUPD);
- ipath_read_kreg64(dd, dd->ipath_kregs->kr_scratch);
- ipath_write_kreg(dd, dd->ipath_kregs->kr_sendctrl, dd->ipath_sendctrl);
- ipath_read_kreg64(dd, dd->ipath_kregs->kr_scratch);
- spin_unlock_irqrestore(&dd->ipath_sendctrl_lock, flags);
+ if (put_user(val, inflightp))
+ return -EFAULT;
+
+ return 0;
+}
+
+static int ipath_sdma_get_complete(struct ipath_devdata *dd,
+ struct ipath_user_sdma_queue *pq,
+ u32 __user *completep)
+{
+ u32 val;
+ int err;
+
+ err = ipath_user_sdma_make_progress(dd, pq);
+ if (err < 0)
+ return err;
+
+ val = ipath_user_sdma_complete_counter(pq);
+ if (put_user(val, completep))
+ return -EFAULT;
return 0;
}
@@ -2229,6 +2306,16 @@
dest = &cmd.cmd.armlaunch_ctrl;
src = &ucmd->cmd.armlaunch_ctrl;
break;
+ case IPATH_CMD_SDMA_INFLIGHT:
+ copy = sizeof(cmd.cmd.sdma_inflight);
+ dest = &cmd.cmd.sdma_inflight;
+ src = &ucmd->cmd.sdma_inflight;
+ break;
+ case IPATH_CMD_SDMA_COMPLETE:
+ copy = sizeof(cmd.cmd.sdma_complete);
+ dest = &cmd.cmd.sdma_complete;
+ src = &ucmd->cmd.sdma_complete;
+ break;
default:
ret = -EINVAL;
goto bail;
@@ -2299,7 +2386,7 @@
cmd.cmd.slave_mask_addr);
break;
case IPATH_CMD_PIOAVAILUPD:
- ret = ipath_force_pio_avail_update(pd->port_dd);
+ ipath_force_pio_avail_update(pd->port_dd);
break;
case IPATH_CMD_POLL_TYPE:
pd->poll_type = cmd.cmd.poll_type;
@@ -2310,6 +2397,17 @@
else
ipath_disable_armlaunch(pd->port_dd);
break;
+ case IPATH_CMD_SDMA_INFLIGHT:
+ ret = ipath_sdma_get_inflight(user_sdma_queue_fp(fp),
+ (u32 __user *) (unsigned long)
+ cmd.cmd.sdma_inflight);
+ break;
+ case IPATH_CMD_SDMA_COMPLETE:
+ ret = ipath_sdma_get_complete(pd->port_dd,
+ user_sdma_queue_fp(fp),
+ (u32 __user *) (unsigned long)
+ cmd.cmd.sdma_complete);
+ break;
}
if (ret >= 0)
@@ -2319,6 +2417,20 @@
return ret;
}
+static ssize_t ipath_writev(struct kiocb *iocb, const struct iovec *iov,
+ unsigned long dim, loff_t off)
+{
+ struct file *filp = iocb->ki_filp;
+ struct ipath_filedata *fp = filp->private_data;
+ struct ipath_portdata *pd = port_fp(filp);
+ struct ipath_user_sdma_queue *pq = fp->pq;
+
+ if (!dim)
+ return -EINVAL;
+
+ return ipath_user_sdma_writev(pd->port_dd, pq, iov, dim);
+}
+
static struct class *ipath_class;
static int init_cdev(int minor, char *name, const struct file_operations *fops,
diff --git a/drivers/infiniband/hw/ipath/ipath_iba6110.c b/drivers/infiniband/hw/ipath/ipath_iba6110.c
index 9e2ced3..02831ad 100644
--- a/drivers/infiniband/hw/ipath/ipath_iba6110.c
+++ b/drivers/infiniband/hw/ipath/ipath_iba6110.c
@@ -40,6 +40,7 @@
#include <linux/pci.h>
#include <linux/delay.h>
#include <linux/htirq.h>
+#include <rdma/ib_verbs.h>
#include "ipath_kernel.h"
#include "ipath_registers.h"
@@ -305,7 +306,9 @@
/* kr_intstatus, kr_intclear, kr_intmask bits */
#define INFINIPATH_I_RCVURG_MASK ((1U<<9)-1)
+#define INFINIPATH_I_RCVURG_SHIFT 0
#define INFINIPATH_I_RCVAVAIL_MASK ((1U<<9)-1)
+#define INFINIPATH_I_RCVAVAIL_SHIFT 12
/* kr_hwerrclear, kr_hwerrmask, kr_hwerrstatus, bits */
#define INFINIPATH_HWE_HTCMEMPARITYERR_SHIFT 0
@@ -476,7 +479,13 @@
#define RXE_EAGER_PARITY (INFINIPATH_HWE_RXEMEMPARITYERR_EAGERTID \
<< INFINIPATH_HWE_RXEMEMPARITYERR_SHIFT)
-static int ipath_ht_txe_recover(struct ipath_devdata *);
+static void ipath_ht_txe_recover(struct ipath_devdata *dd)
+{
+ ++ipath_stats.sps_txeparity;
+ dev_info(&dd->pcidev->dev,
+ "Recovering from TXE PIO parity error\n");
+}
+
/**
* ipath_ht_handle_hwerrors - display hardware errors.
@@ -557,11 +566,11 @@
* occur if a processor speculative read is done to the PIO
* buffer while we are sending a packet, for example.
*/
- if ((hwerrs & TXE_PIO_PARITY) && ipath_ht_txe_recover(dd))
+ if (hwerrs & TXE_PIO_PARITY) {
+ ipath_ht_txe_recover(dd);
hwerrs &= ~TXE_PIO_PARITY;
- if (hwerrs & RXE_EAGER_PARITY)
- ipath_dev_err(dd, "RXE parity, Eager TID error is not "
- "recoverable\n");
+ }
+
if (!hwerrs) {
ipath_dbg("Clearing freezemode on ignored or "
"recovered hardware error\n");
@@ -735,11 +744,10 @@
*/
dd->ipath_flags |= IPATH_32BITCOUNTERS;
dd->ipath_flags |= IPATH_GPIO_INTR;
- if (dd->ipath_htspeed != 800)
+ if (dd->ipath_lbus_speed != 800)
ipath_dev_err(dd,
"Incorrectly configured for HT @ %uMHz\n",
- dd->ipath_htspeed);
- ret = 0;
+ dd->ipath_lbus_speed);
/*
* set here, not in ipath_init_*_funcs because we have to do
@@ -839,7 +847,7 @@
/*
* now write them back to clear the error.
*/
- pci_write_config_byte(pdev, link_off,
+ pci_write_config_word(pdev, link_off,
linkctrl & (0xf << 8));
}
}
@@ -904,7 +912,7 @@
break;
}
- dd->ipath_htwidth = width;
+ dd->ipath_lbus_width = width;
if (linkwidth != 0x11) {
ipath_dev_err(dd, "Not configured for 16 bit HT "
@@ -952,8 +960,13 @@
speed = 200;
break;
}
- dd->ipath_htspeed = speed;
+ dd->ipath_lbus_speed = speed;
}
+
+ snprintf(dd->ipath_lbus_info, sizeof(dd->ipath_lbus_info),
+ "HyperTransport,%uMHz,x%u\n",
+ dd->ipath_lbus_speed,
+ dd->ipath_lbus_width);
}
static int ipath_ht_intconfig(struct ipath_devdata *dd)
@@ -1653,22 +1666,6 @@
}
-static int ipath_ht_txe_recover(struct ipath_devdata *dd)
-{
- int cnt = ++ipath_stats.sps_txeparity;
- if (cnt >= IPATH_MAX_PARITY_ATTEMPTS) {
- if (cnt == IPATH_MAX_PARITY_ATTEMPTS)
- ipath_dev_err(dd,
- "Too many attempts to recover from "
- "TXE parity, giving up\n");
- return 0;
- }
- dev_info(&dd->pcidev->dev,
- "Recovering from TXE PIO parity error\n");
- return 1;
-}
-
-
/**
* ipath_init_ht_get_base_info - set chip-specific flags for user code
* @dd: the infinipath device
diff --git a/drivers/infiniband/hw/ipath/ipath_iba6120.c b/drivers/infiniband/hw/ipath/ipath_iba6120.c
index c7a2f50..421cc2a 100644
--- a/drivers/infiniband/hw/ipath/ipath_iba6120.c
+++ b/drivers/infiniband/hw/ipath/ipath_iba6120.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2006, 2007 QLogic Corporation. All rights reserved.
+ * Copyright (c) 2006, 2007, 2008 QLogic Corporation. All rights reserved.
* Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved.
*
* This software is available to you under a choice of one of two
@@ -38,7 +38,7 @@
#include <linux/interrupt.h>
#include <linux/pci.h>
#include <linux/delay.h>
-
+#include <rdma/ib_verbs.h>
#include "ipath_kernel.h"
#include "ipath_registers.h"
@@ -311,9 +311,14 @@
.cr_ibsymbolerrcnt = IPATH_CREG_OFFSET(IBSymbolErrCnt)
};
+/* kr_control bits */
+#define INFINIPATH_C_RESET 1U
+
/* kr_intstatus, kr_intclear, kr_intmask bits */
#define INFINIPATH_I_RCVURG_MASK ((1U<<5)-1)
+#define INFINIPATH_I_RCVURG_SHIFT 0
#define INFINIPATH_I_RCVAVAIL_MASK ((1U<<5)-1)
+#define INFINIPATH_I_RCVAVAIL_SHIFT 12
/* kr_hwerrclear, kr_hwerrmask, kr_hwerrstatus, bits */
#define INFINIPATH_HWE_PCIEMEMPARITYERR_MASK 0x000000000000003fULL
@@ -338,6 +343,9 @@
#define INFINIPATH_EXTS_MEMBIST_ENDTEST 0x0000000000004000
#define INFINIPATH_EXTS_MEMBIST_FOUND 0x0000000000008000
+/* kr_xgxsconfig bits */
+#define INFINIPATH_XGXS_RESET 0x5ULL
+
#define _IPATH_GPIO_SDA_NUM 1
#define _IPATH_GPIO_SCL_NUM 0
@@ -346,6 +354,16 @@
#define IPATH_GPIO_SCL (1ULL << \
(_IPATH_GPIO_SCL_NUM+INFINIPATH_EXTC_GPIOOE_SHIFT))
+#define INFINIPATH_RT_BUFSIZE_MASK 0xe0000000ULL
+#define INFINIPATH_RT_BUFSIZE_SHIFTVAL(tid) \
+ ((((tid) & INFINIPATH_RT_BUFSIZE_MASK) >> 29) + 11 - 1)
+#define INFINIPATH_RT_BUFSIZE(tid) (1 << INFINIPATH_RT_BUFSIZE_SHIFTVAL(tid))
+#define INFINIPATH_RT_IS_VALID(tid) \
+ (((tid) & INFINIPATH_RT_BUFSIZE_MASK) && \
+ ((((tid) & INFINIPATH_RT_BUFSIZE_MASK) != INFINIPATH_RT_BUFSIZE_MASK)))
+#define INFINIPATH_RT_ADDR_MASK 0x1FFFFFFFULL /* 29 bits valid */
+#define INFINIPATH_RT_ADDR_SHIFT 10
+
#define INFINIPATH_R_INTRAVAIL_SHIFT 16
#define INFINIPATH_R_TAILUPD_SHIFT 31
@@ -372,6 +390,8 @@
#define TXE_PIO_PARITY ((INFINIPATH_HWE_TXEMEMPARITYERR_PIOBUF | \
INFINIPATH_HWE_TXEMEMPARITYERR_PIOPBC) \
<< INFINIPATH_HWE_TXEMEMPARITYERR_SHIFT)
+#define RXE_EAGER_PARITY (INFINIPATH_HWE_RXEMEMPARITYERR_EAGERTID \
+ << INFINIPATH_HWE_RXEMEMPARITYERR_SHIFT)
static void ipath_pe_put_tid_2(struct ipath_devdata *, u64 __iomem *,
u32, unsigned long);
@@ -450,10 +470,8 @@
* make sure we get this much out, unless told to be quiet,
* or it's occurred within the last 5 seconds
*/
- if ((hwerrs & ~(dd->ipath_lasthwerror |
- ((INFINIPATH_HWE_TXEMEMPARITYERR_PIOBUF |
- INFINIPATH_HWE_TXEMEMPARITYERR_PIOPBC)
- << INFINIPATH_HWE_TXEMEMPARITYERR_SHIFT))) ||
+ if ((hwerrs & ~(dd->ipath_lasthwerror | TXE_PIO_PARITY |
+ RXE_EAGER_PARITY)) ||
(ipath_debug & __IPATH_VERBDBG))
dev_info(&dd->pcidev->dev, "Hardware error: hwerr=0x%llx "
"(cleared)\n", (unsigned long long) hwerrs);
@@ -465,7 +483,7 @@
(hwerrs & ~dd->ipath_hwe_bitsextant));
ctrl = ipath_read_kreg32(dd, dd->ipath_kregs->kr_control);
- if (ctrl & INFINIPATH_C_FREEZEMODE) {
+ if ((ctrl & INFINIPATH_C_FREEZEMODE) && !ipath_diag_inuse) {
/*
* parity errors in send memory are recoverable,
* just cancel the send (if indicated in * sendbuffererror),
@@ -540,12 +558,40 @@
dd->ipath_hwerrmask);
}
- if (*msg)
- ipath_dev_err(dd, "%s hardware error\n", msg);
- if (isfatal && !ipath_diag_inuse && dd->ipath_freezemsg) {
+ if (hwerrs) {
/*
- * for /sys status file ; if no trailing } is copied, we'll
- * know it was truncated.
+ * if any set that we aren't ignoring; only
+ * make the complaint once, in case it's stuck
+ * or recurring, and we get here multiple
+ * times.
+ */
+ ipath_dev_err(dd, "%s hardware error\n", msg);
+ if (dd->ipath_flags & IPATH_INITTED) {
+ ipath_set_linkstate(dd, IPATH_IB_LINKDOWN);
+ ipath_setup_pe_setextled(dd,
+ INFINIPATH_IBCS_L_STATE_DOWN,
+ INFINIPATH_IBCS_LT_STATE_DISABLED);
+ ipath_dev_err(dd, "Fatal Hardware Error (freeze "
+ "mode), no longer usable, SN %.16s\n",
+ dd->ipath_serial);
+ isfatal = 1;
+ }
+ *dd->ipath_statusp &= ~IPATH_STATUS_IB_READY;
+ /* mark as having had error */
+ *dd->ipath_statusp |= IPATH_STATUS_HWERROR;
+ /*
+ * mark as not usable, at a minimum until driver
+ * is reloaded, probably until reboot, since no
+ * other reset is possible.
+ */
+ dd->ipath_flags &= ~IPATH_INITTED;
+ } else
+ *msg = 0; /* recovered from all of them */
+
+ if (isfatal && !ipath_diag_inuse && dd->ipath_freezemsg && msg) {
+ /*
+ * for /sys status file ; if no trailing brace is copied,
+ * we'll know it was truncated.
*/
snprintf(dd->ipath_freezemsg, dd->ipath_freezelen,
"{%s}", msg);
@@ -610,7 +656,6 @@
dd->ipath_f_put_tid = ipath_pe_put_tid_2;
}
-
/*
* set here, not in ipath_init_*_funcs because we have to do
* it after we can read chip registers.
@@ -838,7 +883,7 @@
extctl = dd->ipath_extctrl & ~(INFINIPATH_EXTC_LED1PRIPORT_ON |
INFINIPATH_EXTC_LED2PRIPORT_ON);
- if (ltst & INFINIPATH_IBCS_LT_STATE_LINKUP)
+ if (ltst == INFINIPATH_IBCS_LT_STATE_LINKUP)
extctl |= INFINIPATH_EXTC_LED2PRIPORT_ON;
if (lst == INFINIPATH_IBCS_L_STATE_ACTIVE)
extctl |= INFINIPATH_EXTC_LED1PRIPORT_ON;
@@ -863,6 +908,62 @@
pci_disable_msi(dd->pcidev);
}
+static void ipath_6120_pcie_params(struct ipath_devdata *dd)
+{
+ u16 linkstat, speed;
+ int pos;
+
+ pos = pci_find_capability(dd->pcidev, PCI_CAP_ID_EXP);
+ if (!pos) {
+ ipath_dev_err(dd, "Can't find PCI Express capability!\n");
+ goto bail;
+ }
+
+ pci_read_config_word(dd->pcidev, pos + PCI_EXP_LNKSTA,
+ &linkstat);
+ /*
+ * speed is bits 0-4, linkwidth is bits 4-8
+ * no defines for them in headers
+ */
+ speed = linkstat & 0xf;
+ linkstat >>= 4;
+ linkstat &= 0x1f;
+ dd->ipath_lbus_width = linkstat;
+
+ switch (speed) {
+ case 1:
+ dd->ipath_lbus_speed = 2500; /* Gen1, 2.5GHz */
+ break;
+ case 2:
+ dd->ipath_lbus_speed = 5000; /* Gen1, 5GHz */
+ break;
+ default: /* not defined, assume gen1 */
+ dd->ipath_lbus_speed = 2500;
+ break;
+ }
+
+ if (linkstat < 8)
+ ipath_dev_err(dd,
+ "PCIe width %u (x8 HCA), performance reduced\n",
+ linkstat);
+ else
+ ipath_cdbg(VERBOSE, "PCIe speed %u width %u (x8 HCA)\n",
+ dd->ipath_lbus_speed, linkstat);
+
+ if (speed != 1)
+ ipath_dev_err(dd,
+ "PCIe linkspeed %u is incorrect; "
+ "should be 1 (2500)!\n", speed);
+bail:
+ /* fill in string, even on errors */
+ snprintf(dd->ipath_lbus_info, sizeof(dd->ipath_lbus_info),
+ "PCIe,%uMHz,x%u\n",
+ dd->ipath_lbus_speed,
+ dd->ipath_lbus_width);
+
+ return;
+}
+
/**
* ipath_setup_pe_config - setup PCIe config related stuff
* @dd: the infinipath device
@@ -920,19 +1021,8 @@
} else
ipath_dev_err(dd, "Can't find MSI capability, "
"can't save MSI settings for reset\n");
- if ((pos = pci_find_capability(dd->pcidev, PCI_CAP_ID_EXP))) {
- u16 linkstat;
- pci_read_config_word(dd->pcidev, pos + PCI_EXP_LNKSTA,
- &linkstat);
- linkstat >>= 4;
- linkstat &= 0x1f;
- if (linkstat != 8)
- ipath_dev_err(dd, "PCIe width %u, "
- "performance reduced\n", linkstat);
- }
- else
- ipath_dev_err(dd, "Can't find PCI Express "
- "capability!\n");
+
+ ipath_6120_pcie_params(dd);
dd->ipath_link_width_supported = IB_WIDTH_1X | IB_WIDTH_4X;
dd->ipath_link_speed_supported = IPATH_IB_SDR;
@@ -1065,10 +1155,7 @@
INFINIPATH_HWE_RXEMEMPARITYERR_MASK <<
INFINIPATH_HWE_RXEMEMPARITYERR_SHIFT;
- dd->ipath_eep_st_masks[2].errs_to_log =
- INFINIPATH_E_INVALIDADDR | INFINIPATH_E_RESET;
-
-
+ dd->ipath_eep_st_masks[2].errs_to_log = INFINIPATH_E_RESET;
dd->delay_mult = 2; /* SDR, 4X, can't change */
}
@@ -1142,6 +1229,9 @@
u64 val;
int i;
int ret;
+ u16 cmdval;
+
+ pci_read_config_word(dd->pcidev, PCI_COMMAND, &cmdval);
/* Use ERROR so it shows up in logs, etc. */
ipath_dev_err(dd, "Resetting InfiniPath unit %u\n", dd->ipath_unit);
@@ -1169,10 +1259,14 @@
ipath_dev_err(dd, "rewrite of BAR1 failed: %d\n",
r);
/* now re-enable memory access */
+ pci_write_config_word(dd->pcidev, PCI_COMMAND, cmdval);
if ((r = pci_enable_device(dd->pcidev)))
ipath_dev_err(dd, "pci_enable_device failed after "
"reset: %d\n", r);
- /* whether it worked or not, mark as present, again */
+ /*
+ * whether it fully enabled or not, mark as present,
+ * again (but not INITTED)
+ */
dd->ipath_flags |= IPATH_PRESENT;
val = ipath_read_kreg64(dd, dd->ipath_kregs->kr_revision);
if (val == dd->ipath_revision) {
@@ -1190,6 +1284,8 @@
ret = 0; /* failed */
bail:
+ if (ret)
+ ipath_6120_pcie_params(dd);
return ret;
}
@@ -1209,16 +1305,21 @@
{
u32 __iomem *tidp32 = (u32 __iomem *)tidptr;
unsigned long flags = 0; /* keep gcc quiet */
+ int tidx;
+ spinlock_t *tidlockp;
+
+ if (!dd->ipath_kregbase)
+ return;
if (pa != dd->ipath_tidinvalid) {
if (pa & ((1U << 11) - 1)) {
dev_info(&dd->pcidev->dev, "BUG: physaddr %lx "
- "not 4KB aligned!\n", pa);
+ "not 2KB aligned!\n", pa);
return;
}
pa >>= 11;
/* paranoia check */
- if (pa & (7<<29))
+ if (pa & ~INFINIPATH_RT_ADDR_MASK)
ipath_dev_err(dd,
"BUG: Physical page address 0x%lx "
"has bits set in 31-29\n", pa);
@@ -1238,14 +1339,22 @@
* call can be done from interrupt level for the port 0 eager TIDs,
* so we have to use irqsave locks.
*/
- spin_lock_irqsave(&dd->ipath_tid_lock, flags);
+ /*
+ * Assumes tidptr always > ipath_egrtidbase
+ * if type == RCVHQ_RCV_TYPE_EAGER.
+ */
+ tidx = tidptr - dd->ipath_egrtidbase;
+
+ tidlockp = (type == RCVHQ_RCV_TYPE_EAGER && tidx < dd->ipath_rcvegrcnt)
+ ? &dd->ipath_kernel_tid_lock : &dd->ipath_user_tid_lock;
+ spin_lock_irqsave(tidlockp, flags);
ipath_write_kreg(dd, dd->ipath_kregs->kr_scratch, 0xfeeddeaf);
- if (dd->ipath_kregbase)
- writel(pa, tidp32);
+ writel(pa, tidp32);
ipath_write_kreg(dd, dd->ipath_kregs->kr_scratch, 0xdeadbeef);
mmiowb();
- spin_unlock_irqrestore(&dd->ipath_tid_lock, flags);
+ spin_unlock_irqrestore(tidlockp, flags);
}
+
/**
* ipath_pe_put_tid_2 - write a TID in chip, Revision 2 or higher
* @dd: the infinipath device
@@ -1261,6 +1370,10 @@
u32 type, unsigned long pa)
{
u32 __iomem *tidp32 = (u32 __iomem *)tidptr;
+ u32 tidx;
+
+ if (!dd->ipath_kregbase)
+ return;
if (pa != dd->ipath_tidinvalid) {
if (pa & ((1U << 11) - 1)) {
@@ -1270,7 +1383,7 @@
}
pa >>= 11;
/* paranoia check */
- if (pa & (7<<29))
+ if (pa & ~INFINIPATH_RT_ADDR_MASK)
ipath_dev_err(dd,
"BUG: Physical page address 0x%lx "
"has bits set in 31-29\n", pa);
@@ -1280,8 +1393,8 @@
else /* for now, always full 4KB page */
pa |= 2 << 29;
}
- if (dd->ipath_kregbase)
- writel(pa, tidp32);
+ tidx = tidptr - dd->ipath_egrtidbase;
+ writel(pa, tidp32);
mmiowb();
}
@@ -1379,17 +1492,13 @@
dd->ipath_egrtidbase = (u64 __iomem *)
((char __iomem *) dd->ipath_kregbase + dd->ipath_rcvegrbase);
- /*
- * To truly support a 4KB MTU (for usermode), we need to
- * bump this to a larger value. For now, we use them for
- * the kernel only.
- */
- dd->ipath_rcvegrbufsize = 2048;
+ dd->ipath_rcvegrbufsize = ipath_mtu4096 ? 4096 : 2048;
/*
* the min() check here is currently a nop, but it may not always
* be, depending on just how we do ipath_rcvegrbufsize
*/
- dd->ipath_ibmaxlen = min(dd->ipath_piosize2k,
+ dd->ipath_ibmaxlen = min(ipath_mtu4096 ? dd->ipath_piosize4k :
+ dd->ipath_piosize2k,
dd->ipath_rcvegrbufsize +
(dd->ipath_rcvhdrentsize << 2));
dd->ipath_init_ibmaxlen = dd->ipath_ibmaxlen;
diff --git a/drivers/infiniband/hw/ipath/ipath_iba7220.c b/drivers/infiniband/hw/ipath/ipath_iba7220.c
new file mode 100644
index 0000000..1b2de2c
--- /dev/null
+++ b/drivers/infiniband/hw/ipath/ipath_iba7220.c
@@ -0,0 +1,2571 @@
+/*
+ * Copyright (c) 2006, 2007, 2008 QLogic Corporation. All rights reserved.
+ * Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses. You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+/*
+ * This file contains all of the code that is specific to the
+ * InfiniPath 7220 chip (except that specific to the SerDes)
+ */
+
+#include <linux/interrupt.h>
+#include <linux/pci.h>
+#include <linux/delay.h>
+#include <linux/io.h>
+#include <rdma/ib_verbs.h>
+
+#include "ipath_kernel.h"
+#include "ipath_registers.h"
+#include "ipath_7220.h"
+
+static void ipath_setup_7220_setextled(struct ipath_devdata *, u64, u64);
+
+static unsigned ipath_compat_ddr_negotiate = 1;
+
+module_param_named(compat_ddr_negotiate, ipath_compat_ddr_negotiate, uint,
+ S_IWUSR | S_IRUGO);
+MODULE_PARM_DESC(compat_ddr_negotiate,
+ "Attempt pre-IBTA 1.2 DDR speed negotiation");
+
+static unsigned ipath_sdma_fetch_arb = 1;
+module_param_named(fetch_arb, ipath_sdma_fetch_arb, uint, S_IRUGO);
+MODULE_PARM_DESC(fetch_arb, "IBA7220: change SDMA descriptor arbitration");
+
+/*
+ * This file contains almost all the chip-specific register information and
+ * access functions for the QLogic InfiniPath 7220 PCI-Express chip, with the
+ * exception of SerDes support, which in in ipath_sd7220.c.
+ *
+ * This lists the InfiniPath registers, in the actual chip layout.
+ * This structure should never be directly accessed.
+ */
+struct _infinipath_do_not_use_kernel_regs {
+ unsigned long long Revision;
+ unsigned long long Control;
+ unsigned long long PageAlign;
+ unsigned long long PortCnt;
+ unsigned long long DebugPortSelect;
+ unsigned long long DebugSigsIntSel; /* was Reserved0;*/
+ unsigned long long SendRegBase;
+ unsigned long long UserRegBase;
+ unsigned long long CounterRegBase;
+ unsigned long long Scratch;
+ unsigned long long EEPROMAddrCmd; /* was Reserved1; */
+ unsigned long long EEPROMData; /* was Reserved2; */
+ unsigned long long IntBlocked;
+ unsigned long long IntMask;
+ unsigned long long IntStatus;
+ unsigned long long IntClear;
+ unsigned long long ErrorMask;
+ unsigned long long ErrorStatus;
+ unsigned long long ErrorClear;
+ unsigned long long HwErrMask;
+ unsigned long long HwErrStatus;
+ unsigned long long HwErrClear;
+ unsigned long long HwDiagCtrl;
+ unsigned long long MDIO;
+ unsigned long long IBCStatus;
+ unsigned long long IBCCtrl;
+ unsigned long long ExtStatus;
+ unsigned long long ExtCtrl;
+ unsigned long long GPIOOut;
+ unsigned long long GPIOMask;
+ unsigned long long GPIOStatus;
+ unsigned long long GPIOClear;
+ unsigned long long RcvCtrl;
+ unsigned long long RcvBTHQP;
+ unsigned long long RcvHdrSize;
+ unsigned long long RcvHdrCnt;
+ unsigned long long RcvHdrEntSize;
+ unsigned long long RcvTIDBase;
+ unsigned long long RcvTIDCnt;
+ unsigned long long RcvEgrBase;
+ unsigned long long RcvEgrCnt;
+ unsigned long long RcvBufBase;
+ unsigned long long RcvBufSize;
+ unsigned long long RxIntMemBase;
+ unsigned long long RxIntMemSize;
+ unsigned long long RcvPartitionKey;
+ unsigned long long RcvQPMulticastPort;
+ unsigned long long RcvPktLEDCnt;
+ unsigned long long IBCDDRCtrl;
+ unsigned long long HRTBT_GUID;
+ unsigned long long IB_SDTEST_IF_TX;
+ unsigned long long IB_SDTEST_IF_RX;
+ unsigned long long IBCDDRCtrl2;
+ unsigned long long IBCDDRStatus;
+ unsigned long long JIntReload;
+ unsigned long long IBNCModeCtrl;
+ unsigned long long SendCtrl;
+ unsigned long long SendBufBase;
+ unsigned long long SendBufSize;
+ unsigned long long SendBufCnt;
+ unsigned long long SendAvailAddr;
+ unsigned long long TxIntMemBase;
+ unsigned long long TxIntMemSize;
+ unsigned long long SendDmaBase;
+ unsigned long long SendDmaLenGen;
+ unsigned long long SendDmaTail;
+ unsigned long long SendDmaHead;
+ unsigned long long SendDmaHeadAddr;
+ unsigned long long SendDmaBufMask0;
+ unsigned long long SendDmaBufMask1;
+ unsigned long long SendDmaBufMask2;
+ unsigned long long SendDmaStatus;
+ unsigned long long SendBufferError;
+ unsigned long long SendBufferErrorCONT1;
+ unsigned long long SendBufErr2; /* was Reserved6SBE[0/6] */
+ unsigned long long Reserved6L[2];
+ unsigned long long AvailUpdCount;
+ unsigned long long RcvHdrAddr0;
+ unsigned long long RcvHdrAddrs[16]; /* Why enumerate? */
+ unsigned long long Reserved7hdtl; /* Align next to 300 */
+ unsigned long long RcvHdrTailAddr0; /* 300, like others */
+ unsigned long long RcvHdrTailAddrs[16];
+ unsigned long long Reserved9SW[7]; /* was [8]; we have 17 ports */
+ unsigned long long IbsdEpbAccCtl; /* IB Serdes EPB access control */
+ unsigned long long IbsdEpbTransReg; /* IB Serdes EPB Transaction */
+ unsigned long long Reserved10sds; /* was SerdesStatus on */
+ unsigned long long XGXSConfig;
+ unsigned long long IBSerDesCtrl; /* Was IBPLLCfg on Monty */
+ unsigned long long EEPCtlStat; /* for "boot" EEPROM/FLASH */
+ unsigned long long EEPAddrCmd;
+ unsigned long long EEPData;
+ unsigned long long PcieEpbAccCtl;
+ unsigned long long PcieEpbTransCtl;
+ unsigned long long EfuseCtl; /* E-Fuse control */
+ unsigned long long EfuseData[4];
+ unsigned long long ProcMon;
+ /* this chip moves following two from previous 200, 208 */
+ unsigned long long PCIeRBufTestReg0;
+ unsigned long long PCIeRBufTestReg1;
+ /* added for this chip */
+ unsigned long long PCIeRBufTestReg2;
+ unsigned long long PCIeRBufTestReg3;
+ /* added for this chip, debug only */
+ unsigned long long SPC_JTAG_ACCESS_REG;
+ unsigned long long LAControlReg;
+ unsigned long long GPIODebugSelReg;
+ unsigned long long DebugPortValueReg;
+ /* added for this chip, DMA */
+ unsigned long long SendDmaBufUsed[3];
+ unsigned long long SendDmaReqTagUsed;
+ /*
+ * added for this chip, EFUSE: note that these program 64-bit
+ * words 2 and 3 */
+ unsigned long long efuse_pgm_data[2];
+ unsigned long long Reserved11LAalign[10]; /* Skip 4B0..4F8 */
+ /* we have 30 regs for DDS and RXEQ in IB SERDES */
+ unsigned long long SerDesDDSRXEQ[30];
+ unsigned long long Reserved12LAalign[2]; /* Skip 5F0, 5F8 */
+ /* added for LA debug support */
+ unsigned long long LAMemory[32];
+};
+
+struct _infinipath_do_not_use_counters {
+ __u64 LBIntCnt;
+ __u64 LBFlowStallCnt;
+ __u64 TxSDmaDescCnt; /* was Reserved1 */
+ __u64 TxUnsupVLErrCnt;
+ __u64 TxDataPktCnt;
+ __u64 TxFlowPktCnt;
+ __u64 TxDwordCnt;
+ __u64 TxLenErrCnt;
+ __u64 TxMaxMinLenErrCnt;
+ __u64 TxUnderrunCnt;
+ __u64 TxFlowStallCnt;
+ __u64 TxDroppedPktCnt;
+ __u64 RxDroppedPktCnt;
+ __u64 RxDataPktCnt;
+ __u64 RxFlowPktCnt;
+ __u64 RxDwordCnt;
+ __u64 RxLenErrCnt;
+ __u64 RxMaxMinLenErrCnt;
+ __u64 RxICRCErrCnt;
+ __u64 RxVCRCErrCnt;
+ __u64 RxFlowCtrlErrCnt;
+ __u64 RxBadFormatCnt;
+ __u64 RxLinkProblemCnt;
+ __u64 RxEBPCnt;
+ __u64 RxLPCRCErrCnt;
+ __u64 RxBufOvflCnt;
+ __u64 RxTIDFullErrCnt;
+ __u64 RxTIDValidErrCnt;
+ __u64 RxPKeyMismatchCnt;
+ __u64 RxP0HdrEgrOvflCnt;
+ __u64 RxP1HdrEgrOvflCnt;
+ __u64 RxP2HdrEgrOvflCnt;
+ __u64 RxP3HdrEgrOvflCnt;
+ __u64 RxP4HdrEgrOvflCnt;
+ __u64 RxP5HdrEgrOvflCnt;
+ __u64 RxP6HdrEgrOvflCnt;
+ __u64 RxP7HdrEgrOvflCnt;
+ __u64 RxP8HdrEgrOvflCnt;
+ __u64 RxP9HdrEgrOvflCnt; /* was Reserved6 */
+ __u64 RxP10HdrEgrOvflCnt; /* was Reserved7 */
+ __u64 RxP11HdrEgrOvflCnt; /* new for IBA7220 */
+ __u64 RxP12HdrEgrOvflCnt; /* new for IBA7220 */
+ __u64 RxP13HdrEgrOvflCnt; /* new for IBA7220 */
+ __u64 RxP14HdrEgrOvflCnt; /* new for IBA7220 */
+ __u64 RxP15HdrEgrOvflCnt; /* new for IBA7220 */
+ __u64 RxP16HdrEgrOvflCnt; /* new for IBA7220 */
+ __u64 IBStatusChangeCnt;
+ __u64 IBLinkErrRecoveryCnt;
+ __u64 IBLinkDownedCnt;
+ __u64 IBSymbolErrCnt;
+ /* The following are new for IBA7220 */
+ __u64 RxVL15DroppedPktCnt;
+ __u64 RxOtherLocalPhyErrCnt;
+ __u64 PcieRetryBufDiagQwordCnt;
+ __u64 ExcessBufferOvflCnt;
+ __u64 LocalLinkIntegrityErrCnt;
+ __u64 RxVlErrCnt;
+ __u64 RxDlidFltrCnt;
+ __u64 Reserved8[7];
+ __u64 PSStat;
+ __u64 PSStart;
+ __u64 PSInterval;
+ __u64 PSRcvDataCount;
+ __u64 PSRcvPktsCount;
+ __u64 PSXmitDataCount;
+ __u64 PSXmitPktsCount;
+ __u64 PSXmitWaitCount;
+};
+
+#define IPATH_KREG_OFFSET(field) (offsetof( \
+ struct _infinipath_do_not_use_kernel_regs, field) / sizeof(u64))
+#define IPATH_CREG_OFFSET(field) (offsetof( \
+ struct _infinipath_do_not_use_counters, field) / sizeof(u64))
+
+static const struct ipath_kregs ipath_7220_kregs = {
+ .kr_control = IPATH_KREG_OFFSET(Control),
+ .kr_counterregbase = IPATH_KREG_OFFSET(CounterRegBase),
+ .kr_debugportselect = IPATH_KREG_OFFSET(DebugPortSelect),
+ .kr_errorclear = IPATH_KREG_OFFSET(ErrorClear),
+ .kr_errormask = IPATH_KREG_OFFSET(ErrorMask),
+ .kr_errorstatus = IPATH_KREG_OFFSET(ErrorStatus),
+ .kr_extctrl = IPATH_KREG_OFFSET(ExtCtrl),
+ .kr_extstatus = IPATH_KREG_OFFSET(ExtStatus),
+ .kr_gpio_clear = IPATH_KREG_OFFSET(GPIOClear),
+ .kr_gpio_mask = IPATH_KREG_OFFSET(GPIOMask),
+ .kr_gpio_out = IPATH_KREG_OFFSET(GPIOOut),
+ .kr_gpio_status = IPATH_KREG_OFFSET(GPIOStatus),
+ .kr_hwdiagctrl = IPATH_KREG_OFFSET(HwDiagCtrl),
+ .kr_hwerrclear = IPATH_KREG_OFFSET(HwErrClear),
+ .kr_hwerrmask = IPATH_KREG_OFFSET(HwErrMask),
+ .kr_hwerrstatus = IPATH_KREG_OFFSET(HwErrStatus),
+ .kr_ibcctrl = IPATH_KREG_OFFSET(IBCCtrl),
+ .kr_ibcstatus = IPATH_KREG_OFFSET(IBCStatus),
+ .kr_intblocked = IPATH_KREG_OFFSET(IntBlocked),
+ .kr_intclear = IPATH_KREG_OFFSET(IntClear),
+ .kr_intmask = IPATH_KREG_OFFSET(IntMask),
+ .kr_intstatus = IPATH_KREG_OFFSET(IntStatus),
+ .kr_mdio = IPATH_KREG_OFFSET(MDIO),
+ .kr_pagealign = IPATH_KREG_OFFSET(PageAlign),
+ .kr_partitionkey = IPATH_KREG_OFFSET(RcvPartitionKey),
+ .kr_portcnt = IPATH_KREG_OFFSET(PortCnt),
+ .kr_rcvbthqp = IPATH_KREG_OFFSET(RcvBTHQP),
+ .kr_rcvbufbase = IPATH_KREG_OFFSET(RcvBufBase),
+ .kr_rcvbufsize = IPATH_KREG_OFFSET(RcvBufSize),
+ .kr_rcvctrl = IPATH_KREG_OFFSET(RcvCtrl),
+ .kr_rcvegrbase = IPATH_KREG_OFFSET(RcvEgrBase),
+ .kr_rcvegrcnt = IPATH_KREG_OFFSET(RcvEgrCnt),
+ .kr_rcvhdrcnt = IPATH_KREG_OFFSET(RcvHdrCnt),
+ .kr_rcvhdrentsize = IPATH_KREG_OFFSET(RcvHdrEntSize),
+ .kr_rcvhdrsize = IPATH_KREG_OFFSET(RcvHdrSize),
+ .kr_rcvintmembase = IPATH_KREG_OFFSET(RxIntMemBase),
+ .kr_rcvintmemsize = IPATH_KREG_OFFSET(RxIntMemSize),
+ .kr_rcvtidbase = IPATH_KREG_OFFSET(RcvTIDBase),
+ .kr_rcvtidcnt = IPATH_KREG_OFFSET(RcvTIDCnt),
+ .kr_revision = IPATH_KREG_OFFSET(Revision),
+ .kr_scratch = IPATH_KREG_OFFSET(Scratch),
+ .kr_sendbuffererror = IPATH_KREG_OFFSET(SendBufferError),
+ .kr_sendctrl = IPATH_KREG_OFFSET(SendCtrl),
+ .kr_sendpioavailaddr = IPATH_KREG_OFFSET(SendAvailAddr),
+ .kr_sendpiobufbase = IPATH_KREG_OFFSET(SendBufBase),
+ .kr_sendpiobufcnt = IPATH_KREG_OFFSET(SendBufCnt),
+ .kr_sendpiosize = IPATH_KREG_OFFSET(SendBufSize),
+ .kr_sendregbase = IPATH_KREG_OFFSET(SendRegBase),
+ .kr_txintmembase = IPATH_KREG_OFFSET(TxIntMemBase),
+ .kr_txintmemsize = IPATH_KREG_OFFSET(TxIntMemSize),
+ .kr_userregbase = IPATH_KREG_OFFSET(UserRegBase),
+
+ .kr_xgxsconfig = IPATH_KREG_OFFSET(XGXSConfig),
+
+ /* send dma related regs */
+ .kr_senddmabase = IPATH_KREG_OFFSET(SendDmaBase),
+ .kr_senddmalengen = IPATH_KREG_OFFSET(SendDmaLenGen),
+ .kr_senddmatail = IPATH_KREG_OFFSET(SendDmaTail),
+ .kr_senddmahead = IPATH_KREG_OFFSET(SendDmaHead),
+ .kr_senddmaheadaddr = IPATH_KREG_OFFSET(SendDmaHeadAddr),
+ .kr_senddmabufmask0 = IPATH_KREG_OFFSET(SendDmaBufMask0),
+ .kr_senddmabufmask1 = IPATH_KREG_OFFSET(SendDmaBufMask1),
+ .kr_senddmabufmask2 = IPATH_KREG_OFFSET(SendDmaBufMask2),
+ .kr_senddmastatus = IPATH_KREG_OFFSET(SendDmaStatus),
+
+ /* SerDes related regs */
+ .kr_ibserdesctrl = IPATH_KREG_OFFSET(IBSerDesCtrl),
+ .kr_ib_epbacc = IPATH_KREG_OFFSET(IbsdEpbAccCtl),
+ .kr_ib_epbtrans = IPATH_KREG_OFFSET(IbsdEpbTransReg),
+ .kr_pcie_epbacc = IPATH_KREG_OFFSET(PcieEpbAccCtl),
+ .kr_pcie_epbtrans = IPATH_KREG_OFFSET(PcieEpbTransCtl),
+ .kr_ib_ddsrxeq = IPATH_KREG_OFFSET(SerDesDDSRXEQ),
+
+ /*
+ * These should not be used directly via ipath_read_kreg64(),
+ * use them with ipath_read_kreg64_port()
+ */
+ .kr_rcvhdraddr = IPATH_KREG_OFFSET(RcvHdrAddr0),
+ .kr_rcvhdrtailaddr = IPATH_KREG_OFFSET(RcvHdrTailAddr0),
+
+ /*
+ * The rcvpktled register controls one of the debug port signals, so
+ * a packet activity LED can be connected to it.
+ */
+ .kr_rcvpktledcnt = IPATH_KREG_OFFSET(RcvPktLEDCnt),
+ .kr_pcierbuftestreg0 = IPATH_KREG_OFFSET(PCIeRBufTestReg0),
+ .kr_pcierbuftestreg1 = IPATH_KREG_OFFSET(PCIeRBufTestReg1),
+
+ .kr_hrtbt_guid = IPATH_KREG_OFFSET(HRTBT_GUID),
+ .kr_ibcddrctrl = IPATH_KREG_OFFSET(IBCDDRCtrl),
+ .kr_ibcddrstatus = IPATH_KREG_OFFSET(IBCDDRStatus),
+ .kr_jintreload = IPATH_KREG_OFFSET(JIntReload)
+};
+
+static const struct ipath_cregs ipath_7220_cregs = {
+ .cr_badformatcnt = IPATH_CREG_OFFSET(RxBadFormatCnt),
+ .cr_erricrccnt = IPATH_CREG_OFFSET(RxICRCErrCnt),
+ .cr_errlinkcnt = IPATH_CREG_OFFSET(RxLinkProblemCnt),
+ .cr_errlpcrccnt = IPATH_CREG_OFFSET(RxLPCRCErrCnt),
+ .cr_errpkey = IPATH_CREG_OFFSET(RxPKeyMismatchCnt),
+ .cr_errrcvflowctrlcnt = IPATH_CREG_OFFSET(RxFlowCtrlErrCnt),
+ .cr_err_rlencnt = IPATH_CREG_OFFSET(RxLenErrCnt),
+ .cr_errslencnt = IPATH_CREG_OFFSET(TxLenErrCnt),
+ .cr_errtidfull = IPATH_CREG_OFFSET(RxTIDFullErrCnt),
+ .cr_errtidvalid = IPATH_CREG_OFFSET(RxTIDValidErrCnt),
+ .cr_errvcrccnt = IPATH_CREG_OFFSET(RxVCRCErrCnt),
+ .cr_ibstatuschange = IPATH_CREG_OFFSET(IBStatusChangeCnt),
+ .cr_intcnt = IPATH_CREG_OFFSET(LBIntCnt),
+ .cr_invalidrlencnt = IPATH_CREG_OFFSET(RxMaxMinLenErrCnt),
+ .cr_invalidslencnt = IPATH_CREG_OFFSET(TxMaxMinLenErrCnt),
+ .cr_lbflowstallcnt = IPATH_CREG_OFFSET(LBFlowStallCnt),
+ .cr_pktrcvcnt = IPATH_CREG_OFFSET(RxDataPktCnt),
+ .cr_pktrcvflowctrlcnt = IPATH_CREG_OFFSET(RxFlowPktCnt),
+ .cr_pktsendcnt = IPATH_CREG_OFFSET(TxDataPktCnt),
+ .cr_pktsendflowcnt = IPATH_CREG_OFFSET(TxFlowPktCnt),
+ .cr_portovflcnt = IPATH_CREG_OFFSET(RxP0HdrEgrOvflCnt),
+ .cr_rcvebpcnt = IPATH_CREG_OFFSET(RxEBPCnt),
+ .cr_rcvovflcnt = IPATH_CREG_OFFSET(RxBufOvflCnt),
+ .cr_senddropped = IPATH_CREG_OFFSET(TxDroppedPktCnt),
+ .cr_sendstallcnt = IPATH_CREG_OFFSET(TxFlowStallCnt),
+ .cr_sendunderruncnt = IPATH_CREG_OFFSET(TxUnderrunCnt),
+ .cr_wordrcvcnt = IPATH_CREG_OFFSET(RxDwordCnt),
+ .cr_wordsendcnt = IPATH_CREG_OFFSET(TxDwordCnt),
+ .cr_unsupvlcnt = IPATH_CREG_OFFSET(TxUnsupVLErrCnt),
+ .cr_rxdroppktcnt = IPATH_CREG_OFFSET(RxDroppedPktCnt),
+ .cr_iblinkerrrecovcnt = IPATH_CREG_OFFSET(IBLinkErrRecoveryCnt),
+ .cr_iblinkdowncnt = IPATH_CREG_OFFSET(IBLinkDownedCnt),
+ .cr_ibsymbolerrcnt = IPATH_CREG_OFFSET(IBSymbolErrCnt),
+ .cr_vl15droppedpktcnt = IPATH_CREG_OFFSET(RxVL15DroppedPktCnt),
+ .cr_rxotherlocalphyerrcnt =
+ IPATH_CREG_OFFSET(RxOtherLocalPhyErrCnt),
+ .cr_excessbufferovflcnt = IPATH_CREG_OFFSET(ExcessBufferOvflCnt),
+ .cr_locallinkintegrityerrcnt =
+ IPATH_CREG_OFFSET(LocalLinkIntegrityErrCnt),
+ .cr_rxvlerrcnt = IPATH_CREG_OFFSET(RxVlErrCnt),
+ .cr_rxdlidfltrcnt = IPATH_CREG_OFFSET(RxDlidFltrCnt),
+ .cr_psstat = IPATH_CREG_OFFSET(PSStat),
+ .cr_psstart = IPATH_CREG_OFFSET(PSStart),
+ .cr_psinterval = IPATH_CREG_OFFSET(PSInterval),
+ .cr_psrcvdatacount = IPATH_CREG_OFFSET(PSRcvDataCount),
+ .cr_psrcvpktscount = IPATH_CREG_OFFSET(PSRcvPktsCount),
+ .cr_psxmitdatacount = IPATH_CREG_OFFSET(PSXmitDataCount),
+ .cr_psxmitpktscount = IPATH_CREG_OFFSET(PSXmitPktsCount),
+ .cr_psxmitwaitcount = IPATH_CREG_OFFSET(PSXmitWaitCount),
+};
+
+/* kr_control bits */
+#define INFINIPATH_C_RESET (1U<<7)
+
+/* kr_intstatus, kr_intclear, kr_intmask bits */
+#define INFINIPATH_I_RCVURG_MASK ((1ULL<<17)-1)
+#define INFINIPATH_I_RCVURG_SHIFT 32
+#define INFINIPATH_I_RCVAVAIL_MASK ((1ULL<<17)-1)
+#define INFINIPATH_I_RCVAVAIL_SHIFT 0
+#define INFINIPATH_I_SERDESTRIMDONE (1ULL<<27)
+
+/* kr_hwerrclear, kr_hwerrmask, kr_hwerrstatus, bits */
+#define INFINIPATH_HWE_PCIEMEMPARITYERR_MASK 0x00000000000000ffULL
+#define INFINIPATH_HWE_PCIEMEMPARITYERR_SHIFT 0
+#define INFINIPATH_HWE_PCIEPOISONEDTLP 0x0000000010000000ULL
+#define INFINIPATH_HWE_PCIECPLTIMEOUT 0x0000000020000000ULL
+#define INFINIPATH_HWE_PCIEBUSPARITYXTLH 0x0000000040000000ULL
+#define INFINIPATH_HWE_PCIEBUSPARITYXADM 0x0000000080000000ULL
+#define INFINIPATH_HWE_PCIEBUSPARITYRADM 0x0000000100000000ULL
+#define INFINIPATH_HWE_COREPLL_FBSLIP 0x0080000000000000ULL
+#define INFINIPATH_HWE_COREPLL_RFSLIP 0x0100000000000000ULL
+#define INFINIPATH_HWE_PCIE1PLLFAILED 0x0400000000000000ULL
+#define INFINIPATH_HWE_PCIE0PLLFAILED 0x0800000000000000ULL
+#define INFINIPATH_HWE_SERDESPLLFAILED 0x1000000000000000ULL
+/* specific to this chip */
+#define INFINIPATH_HWE_PCIECPLDATAQUEUEERR 0x0000000000000040ULL
+#define INFINIPATH_HWE_PCIECPLHDRQUEUEERR 0x0000000000000080ULL
+#define INFINIPATH_HWE_SDMAMEMREADERR 0x0000000010000000ULL
+#define INFINIPATH_HWE_CLK_UC_PLLNOTLOCKED 0x2000000000000000ULL
+#define INFINIPATH_HWE_PCIESERDESQ0PCLKNOTDETECT 0x0100000000000000ULL
+#define INFINIPATH_HWE_PCIESERDESQ1PCLKNOTDETECT 0x0200000000000000ULL
+#define INFINIPATH_HWE_PCIESERDESQ2PCLKNOTDETECT 0x0400000000000000ULL
+#define INFINIPATH_HWE_PCIESERDESQ3PCLKNOTDETECT 0x0800000000000000ULL
+#define INFINIPATH_HWE_DDSRXEQMEMORYPARITYERR 0x0000008000000000ULL
+#define INFINIPATH_HWE_IB_UC_MEMORYPARITYERR 0x0000004000000000ULL
+#define INFINIPATH_HWE_PCIE_UC_OCT0MEMORYPARITYERR 0x0000001000000000ULL
+#define INFINIPATH_HWE_PCIE_UC_OCT1MEMORYPARITYERR 0x0000002000000000ULL
+
+#define IBA7220_IBCS_LINKTRAININGSTATE_MASK 0x1F
+#define IBA7220_IBCS_LINKSTATE_SHIFT 5
+#define IBA7220_IBCS_LINKSPEED_SHIFT 8
+#define IBA7220_IBCS_LINKWIDTH_SHIFT 9
+
+#define IBA7220_IBCC_LINKINITCMD_MASK 0x7ULL
+#define IBA7220_IBCC_LINKCMD_SHIFT 19
+#define IBA7220_IBCC_MAXPKTLEN_SHIFT 21
+
+/* kr_ibcddrctrl bits */
+#define IBA7220_IBC_DLIDLMC_MASK 0xFFFFFFFFUL
+#define IBA7220_IBC_DLIDLMC_SHIFT 32
+#define IBA7220_IBC_HRTBT_MASK 3
+#define IBA7220_IBC_HRTBT_SHIFT 16
+#define IBA7220_IBC_HRTBT_ENB 0x10000UL
+#define IBA7220_IBC_LANE_REV_SUPPORTED (1<<8)
+#define IBA7220_IBC_LREV_MASK 1
+#define IBA7220_IBC_LREV_SHIFT 8
+#define IBA7220_IBC_RXPOL_MASK 1
+#define IBA7220_IBC_RXPOL_SHIFT 7
+#define IBA7220_IBC_WIDTH_SHIFT 5
+#define IBA7220_IBC_WIDTH_MASK 0x3
+#define IBA7220_IBC_WIDTH_1X_ONLY (0<<IBA7220_IBC_WIDTH_SHIFT)
+#define IBA7220_IBC_WIDTH_4X_ONLY (1<<IBA7220_IBC_WIDTH_SHIFT)
+#define IBA7220_IBC_WIDTH_AUTONEG (2<<IBA7220_IBC_WIDTH_SHIFT)
+#define IBA7220_IBC_SPEED_AUTONEG (1<<1)
+#define IBA7220_IBC_SPEED_SDR (1<<2)
+#define IBA7220_IBC_SPEED_DDR (1<<3)
+#define IBA7220_IBC_SPEED_AUTONEG_MASK (0x7<<1)
+#define IBA7220_IBC_IBTA_1_2_MASK (1)
+
+/* kr_ibcddrstatus */
+/* link latency shift is 0, don't bother defining */
+#define IBA7220_DDRSTAT_LINKLAT_MASK 0x3ffffff
+
+/* kr_extstatus bits */
+#define INFINIPATH_EXTS_FREQSEL 0x2
+#define INFINIPATH_EXTS_SERDESSEL 0x4
+#define INFINIPATH_EXTS_MEMBIST_ENDTEST 0x0000000000004000
+#define INFINIPATH_EXTS_MEMBIST_DISABLED 0x0000000000008000
+
+/* kr_xgxsconfig bits */
+#define INFINIPATH_XGXS_RESET 0x5ULL
+#define INFINIPATH_XGXS_FC_SAFE (1ULL<<63)
+
+/* kr_rcvpktledcnt */
+#define IBA7220_LEDBLINK_ON_SHIFT 32 /* 4ns period on after packet */
+#define IBA7220_LEDBLINK_OFF_SHIFT 0 /* 4ns period off before next on */
+
+#define _IPATH_GPIO_SDA_NUM 1
+#define _IPATH_GPIO_SCL_NUM 0
+
+#define IPATH_GPIO_SDA (1ULL << \
+ (_IPATH_GPIO_SDA_NUM+INFINIPATH_EXTC_GPIOOE_SHIFT))
+#define IPATH_GPIO_SCL (1ULL << \
+ (_IPATH_GPIO_SCL_NUM+INFINIPATH_EXTC_GPIOOE_SHIFT))
+
+#define IBA7220_R_INTRAVAIL_SHIFT 17
+#define IBA7220_R_TAILUPD_SHIFT 35
+#define IBA7220_R_PORTCFG_SHIFT 36
+
+#define INFINIPATH_JINT_PACKETSHIFT 16
+#define INFINIPATH_JINT_DEFAULT_IDLE_TICKS 0
+#define INFINIPATH_JINT_DEFAULT_MAX_PACKETS 0
+
+#define IBA7220_HDRHEAD_PKTINT_SHIFT 32 /* interrupt cnt in upper 32 bits */
+
+/*
+ * the size bits give us 2^N, in KB units. 0 marks as invalid,
+ * and 7 is reserved. We currently use only 2KB and 4KB
+ */
+#define IBA7220_TID_SZ_SHIFT 37 /* shift to 3bit size selector */
+#define IBA7220_TID_SZ_2K (1UL<<IBA7220_TID_SZ_SHIFT) /* 2KB */
+#define IBA7220_TID_SZ_4K (2UL<<IBA7220_TID_SZ_SHIFT) /* 4KB */
+#define IBA7220_TID_PA_SHIFT 11U /* TID addr in chip stored w/o low bits */
+
+#define IPATH_AUTONEG_TRIES 5 /* sequential retries to negotiate DDR */
+
+static char int_type[16] = "auto";
+module_param_string(interrupt_type, int_type, sizeof(int_type), 0444);
+MODULE_PARM_DESC(int_type, " interrupt_type=auto|force_msi|force_intx\n");
+
+/* packet rate matching delay; chip has support */
+static u8 rate_to_delay[2][2] = {
+ /* 1x, 4x */
+ { 8, 2 }, /* SDR */
+ { 4, 1 } /* DDR */
+};
+
+/* 7220 specific hardware errors... */
+static const struct ipath_hwerror_msgs ipath_7220_hwerror_msgs[] = {
+ INFINIPATH_HWE_MSG(PCIEPOISONEDTLP, "PCIe Poisoned TLP"),
+ INFINIPATH_HWE_MSG(PCIECPLTIMEOUT, "PCIe completion timeout"),
+ /*
+ * In practice, it's unlikely wthat we'll see PCIe PLL, or bus
+ * parity or memory parity error failures, because most likely we
+ * won't be able to talk to the core of the chip. Nonetheless, we
+ * might see them, if they are in parts of the PCIe core that aren't
+ * essential.
+ */
+ INFINIPATH_HWE_MSG(PCIE1PLLFAILED, "PCIePLL1"),
+ INFINIPATH_HWE_MSG(PCIE0PLLFAILED, "PCIePLL0"),
+ INFINIPATH_HWE_MSG(PCIEBUSPARITYXTLH, "PCIe XTLH core parity"),
+ INFINIPATH_HWE_MSG(PCIEBUSPARITYXADM, "PCIe ADM TX core parity"),
+ INFINIPATH_HWE_MSG(PCIEBUSPARITYRADM, "PCIe ADM RX core parity"),
+ INFINIPATH_HWE_MSG(RXDSYNCMEMPARITYERR, "Rx Dsync"),
+ INFINIPATH_HWE_MSG(SERDESPLLFAILED, "SerDes PLL"),
+ INFINIPATH_HWE_MSG(PCIECPLDATAQUEUEERR, "PCIe cpl header queue"),
+ INFINIPATH_HWE_MSG(PCIECPLHDRQUEUEERR, "PCIe cpl data queue"),
+ INFINIPATH_HWE_MSG(SDMAMEMREADERR, "Send DMA memory read"),
+ INFINIPATH_HWE_MSG(CLK_UC_PLLNOTLOCKED, "uC PLL clock not locked"),
+ INFINIPATH_HWE_MSG(PCIESERDESQ0PCLKNOTDETECT,
+ "PCIe serdes Q0 no clock"),
+ INFINIPATH_HWE_MSG(PCIESERDESQ1PCLKNOTDETECT,
+ "PCIe serdes Q1 no clock"),
+ INFINIPATH_HWE_MSG(PCIESERDESQ2PCLKNOTDETECT,
+ "PCIe serdes Q2 no clock"),
+ INFINIPATH_HWE_MSG(PCIESERDESQ3PCLKNOTDETECT,
+ "PCIe serdes Q3 no clock"),
+ INFINIPATH_HWE_MSG(DDSRXEQMEMORYPARITYERR,
+ "DDS RXEQ memory parity"),
+ INFINIPATH_HWE_MSG(IB_UC_MEMORYPARITYERR, "IB uC memory parity"),
+ INFINIPATH_HWE_MSG(PCIE_UC_OCT0MEMORYPARITYERR,
+ "PCIe uC oct0 memory parity"),
+ INFINIPATH_HWE_MSG(PCIE_UC_OCT1MEMORYPARITYERR,
+ "PCIe uC oct1 memory parity"),
+};
+
+static void autoneg_work(struct work_struct *);
+
+/*
+ * the offset is different for different configured port numbers, since
+ * port0 is fixed in size, but others can vary. Make it a function to
+ * make the issue more obvious.
+*/
+static inline u32 port_egrtid_idx(struct ipath_devdata *dd, unsigned port)
+{
+ return port ? dd->ipath_p0_rcvegrcnt +
+ (port-1) * dd->ipath_rcvegrcnt : 0;
+}
+
+static void ipath_7220_txe_recover(struct ipath_devdata *dd)
+{
+ ++ipath_stats.sps_txeparity;
+
+ dev_info(&dd->pcidev->dev,
+ "Recovering from TXE PIO parity error\n");
+ ipath_disarm_senderrbufs(dd, 1);
+}
+
+
+/**
+ * ipath_7220_handle_hwerrors - display hardware errors.
+ * @dd: the infinipath device
+ * @msg: the output buffer
+ * @msgl: the size of the output buffer
+ *
+ * Use same msg buffer as regular errors to avoid excessive stack
+ * use. Most hardware errors are catastrophic, but for right now,
+ * we'll print them and continue. We reuse the same message buffer as
+ * ipath_handle_errors() to avoid excessive stack usage.
+ */
+static void ipath_7220_handle_hwerrors(struct ipath_devdata *dd, char *msg,
+ size_t msgl)
+{
+ ipath_err_t hwerrs;
+ u32 bits, ctrl;
+ int isfatal = 0;
+ char bitsmsg[64];
+ int log_idx;
+
+ hwerrs = ipath_read_kreg64(dd, dd->ipath_kregs->kr_hwerrstatus);
+ if (!hwerrs) {
+ /*
+ * better than printing cofusing messages
+ * This seems to be related to clearing the crc error, or
+ * the pll error during init.
+ */
+ ipath_cdbg(VERBOSE, "Called but no hardware errors set\n");
+ goto bail;
+ } else if (hwerrs == ~0ULL) {
+ ipath_dev_err(dd, "Read of hardware error status failed "
+ "(all bits set); ignoring\n");
+ goto bail;
+ }
+ ipath_stats.sps_hwerrs++;
+
+ /*
+ * Always clear the error status register, except MEMBISTFAIL,
+ * regardless of whether we continue or stop using the chip.
+ * We want that set so we know it failed, even across driver reload.
+ * We'll still ignore it in the hwerrmask. We do this partly for
+ * diagnostics, but also for support.
+ */
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_hwerrclear,
+ hwerrs&~INFINIPATH_HWE_MEMBISTFAILED);
+
+ hwerrs &= dd->ipath_hwerrmask;
+
+ /* We log some errors to EEPROM, check if we have any of those. */
+ for (log_idx = 0; log_idx < IPATH_EEP_LOG_CNT; ++log_idx)
+ if (hwerrs & dd->ipath_eep_st_masks[log_idx].hwerrs_to_log)
+ ipath_inc_eeprom_err(dd, log_idx, 1);
+ /*
+ * Make sure we get this much out, unless told to be quiet,
+ * or it's occurred within the last 5 seconds.
+ */
+ if ((hwerrs & ~(dd->ipath_lasthwerror |
+ ((INFINIPATH_HWE_TXEMEMPARITYERR_PIOBUF |
+ INFINIPATH_HWE_TXEMEMPARITYERR_PIOPBC)
+ << INFINIPATH_HWE_TXEMEMPARITYERR_SHIFT))) ||
+ (ipath_debug & __IPATH_VERBDBG))
+ dev_info(&dd->pcidev->dev, "Hardware error: hwerr=0x%llx "
+ "(cleared)\n", (unsigned long long) hwerrs);
+ dd->ipath_lasthwerror |= hwerrs;
+
+ if (hwerrs & ~dd->ipath_hwe_bitsextant)
+ ipath_dev_err(dd, "hwerror interrupt with unknown errors "
+ "%llx set\n", (unsigned long long)
+ (hwerrs & ~dd->ipath_hwe_bitsextant));
+
+ if (hwerrs & INFINIPATH_HWE_IB_UC_MEMORYPARITYERR)
+ ipath_sd7220_clr_ibpar(dd);
+
+ ctrl = ipath_read_kreg32(dd, dd->ipath_kregs->kr_control);
+ if ((ctrl & INFINIPATH_C_FREEZEMODE) && !ipath_diag_inuse) {
+ /*
+ * Parity errors in send memory are recoverable,
+ * just cancel the send (if indicated in * sendbuffererror),
+ * count the occurrence, unfreeze (if no other handled
+ * hardware error bits are set), and continue.
+ */
+ if (hwerrs & ((INFINIPATH_HWE_TXEMEMPARITYERR_PIOBUF |
+ INFINIPATH_HWE_TXEMEMPARITYERR_PIOPBC)
+ << INFINIPATH_HWE_TXEMEMPARITYERR_SHIFT)) {
+ ipath_7220_txe_recover(dd);
+ hwerrs &= ~((INFINIPATH_HWE_TXEMEMPARITYERR_PIOBUF |
+ INFINIPATH_HWE_TXEMEMPARITYERR_PIOPBC)
+ << INFINIPATH_HWE_TXEMEMPARITYERR_SHIFT);
+ if (!hwerrs) {
+ /* else leave in freeze mode */
+ ipath_write_kreg(dd,
+ dd->ipath_kregs->kr_control,
+ dd->ipath_control);
+ goto bail;
+ }
+ }
+ if (hwerrs) {
+ /*
+ * If any set that we aren't ignoring only make the
+ * complaint once, in case it's stuck or recurring,
+ * and we get here multiple times
+ * Force link down, so switch knows, and
+ * LEDs are turned off.
+ */
+ if (dd->ipath_flags & IPATH_INITTED) {
+ ipath_set_linkstate(dd, IPATH_IB_LINKDOWN);
+ ipath_setup_7220_setextled(dd,
+ INFINIPATH_IBCS_L_STATE_DOWN,
+ INFINIPATH_IBCS_LT_STATE_DISABLED);
+ ipath_dev_err(dd, "Fatal Hardware Error "
+ "(freeze mode), no longer"
+ " usable, SN %.16s\n",
+ dd->ipath_serial);
+ isfatal = 1;
+ }
+ /*
+ * Mark as having had an error for driver, and also
+ * for /sys and status word mapped to user programs.
+ * This marks unit as not usable, until reset.
+ */
+ *dd->ipath_statusp &= ~IPATH_STATUS_IB_READY;
+ *dd->ipath_statusp |= IPATH_STATUS_HWERROR;
+ dd->ipath_flags &= ~IPATH_INITTED;
+ } else {
+ ipath_dbg("Clearing freezemode on ignored hardware "
+ "error\n");
+ ipath_clear_freeze(dd);
+ }
+ }
+
+ *msg = '\0';
+
+ if (hwerrs & INFINIPATH_HWE_MEMBISTFAILED) {
+ strlcat(msg, "[Memory BIST test failed, "
+ "InfiniPath hardware unusable]", msgl);
+ /* ignore from now on, so disable until driver reloaded */
+ *dd->ipath_statusp |= IPATH_STATUS_HWERROR;
+ dd->ipath_hwerrmask &= ~INFINIPATH_HWE_MEMBISTFAILED;
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_hwerrmask,
+ dd->ipath_hwerrmask);
+ }
+
+ ipath_format_hwerrors(hwerrs,
+ ipath_7220_hwerror_msgs,
+ ARRAY_SIZE(ipath_7220_hwerror_msgs),
+ msg, msgl);
+
+ if (hwerrs & (INFINIPATH_HWE_PCIEMEMPARITYERR_MASK
+ << INFINIPATH_HWE_PCIEMEMPARITYERR_SHIFT)) {
+ bits = (u32) ((hwerrs >>
+ INFINIPATH_HWE_PCIEMEMPARITYERR_SHIFT) &
+ INFINIPATH_HWE_PCIEMEMPARITYERR_MASK);
+ snprintf(bitsmsg, sizeof bitsmsg,
+ "[PCIe Mem Parity Errs %x] ", bits);
+ strlcat(msg, bitsmsg, msgl);
+ }
+
+#define _IPATH_PLL_FAIL (INFINIPATH_HWE_COREPLL_FBSLIP | \
+ INFINIPATH_HWE_COREPLL_RFSLIP)
+
+ if (hwerrs & _IPATH_PLL_FAIL) {
+ snprintf(bitsmsg, sizeof bitsmsg,
+ "[PLL failed (%llx), InfiniPath hardware unusable]",
+ (unsigned long long) hwerrs & _IPATH_PLL_FAIL);
+ strlcat(msg, bitsmsg, msgl);
+ /* ignore from now on, so disable until driver reloaded */
+ dd->ipath_hwerrmask &= ~(hwerrs & _IPATH_PLL_FAIL);
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_hwerrmask,
+ dd->ipath_hwerrmask);
+ }
+
+ if (hwerrs & INFINIPATH_HWE_SERDESPLLFAILED) {
+ /*
+ * If it occurs, it is left masked since the eternal
+ * interface is unused.
+ */
+ dd->ipath_hwerrmask &= ~INFINIPATH_HWE_SERDESPLLFAILED;
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_hwerrmask,
+ dd->ipath_hwerrmask);
+ }
+
+ ipath_dev_err(dd, "%s hardware error\n", msg);
+ /*
+ * For /sys status file. if no trailing } is copied, we'll
+ * know it was truncated.
+ */
+ if (isfatal && !ipath_diag_inuse && dd->ipath_freezemsg)
+ snprintf(dd->ipath_freezemsg, dd->ipath_freezelen,
+ "{%s}", msg);
+bail:;
+}
+
+/**
+ * ipath_7220_boardname - fill in the board name
+ * @dd: the infinipath device
+ * @name: the output buffer
+ * @namelen: the size of the output buffer
+ *
+ * info is based on the board revision register
+ */
+static int ipath_7220_boardname(struct ipath_devdata *dd, char *name,
+ size_t namelen)
+{
+ char *n = NULL;
+ u8 boardrev = dd->ipath_boardrev;
+ int ret;
+
+ if (boardrev == 15) {
+ /*
+ * Emulator sometimes comes up all-ones, rather than zero.
+ */
+ boardrev = 0;
+ dd->ipath_boardrev = boardrev;
+ }
+ switch (boardrev) {
+ case 0:
+ n = "InfiniPath_7220_Emulation";
+ break;
+ case 1:
+ n = "InfiniPath_QLE7240";
+ break;
+ case 2:
+ n = "InfiniPath_QLE7280";
+ break;
+ case 3:
+ n = "InfiniPath_QLE7242";
+ break;
+ case 4:
+ n = "InfiniPath_QEM7240";
+ break;
+ case 5:
+ n = "InfiniPath_QMI7240";
+ break;
+ case 6:
+ n = "InfiniPath_QMI7264";
+ break;
+ case 7:
+ n = "InfiniPath_QMH7240";
+ break;
+ case 8:
+ n = "InfiniPath_QME7240";
+ break;
+ case 9:
+ n = "InfiniPath_QLE7250";
+ break;
+ case 10:
+ n = "InfiniPath_QLE7290";
+ break;
+ case 11:
+ n = "InfiniPath_QEM7250";
+ break;
+ case 12:
+ n = "InfiniPath_QLE-Bringup";
+ break;
+ default:
+ ipath_dev_err(dd,
+ "Don't yet know about board with ID %u\n",
+ boardrev);
+ snprintf(name, namelen, "Unknown_InfiniPath_PCIe_%u",
+ boardrev);
+ break;
+ }
+ if (n)
+ snprintf(name, namelen, "%s", n);
+
+ if (dd->ipath_majrev != 5 || !dd->ipath_minrev ||
+ dd->ipath_minrev > 2) {
+ ipath_dev_err(dd, "Unsupported InfiniPath hardware "
+ "revision %u.%u!\n",
+ dd->ipath_majrev, dd->ipath_minrev);
+ ret = 1;
+ } else if (dd->ipath_minrev == 1) {
+ /* Rev1 chips are prototype. Complain, but allow use */
+ ipath_dev_err(dd, "Unsupported hardware "
+ "revision %u.%u, Contact support@qlogic.com\n",
+ dd->ipath_majrev, dd->ipath_minrev);
+ ret = 0;
+ } else
+ ret = 0;
+
+ /*
+ * Set here not in ipath_init_*_funcs because we have to do
+ * it after we can read chip registers.
+ */
+ dd->ipath_ureg_align = 0x10000; /* 64KB alignment */
+
+ return ret;
+}
+
+/**
+ * ipath_7220_init_hwerrors - enable hardware errors
+ * @dd: the infinipath device
+ *
+ * now that we have finished initializing everything that might reasonably
+ * cause a hardware error, and cleared those errors bits as they occur,
+ * we can enable hardware errors in the mask (potentially enabling
+ * freeze mode), and enable hardware errors as errors (along with
+ * everything else) in errormask
+ */
+static void ipath_7220_init_hwerrors(struct ipath_devdata *dd)
+{
+ ipath_err_t val;
+ u64 extsval;
+
+ extsval = ipath_read_kreg64(dd, dd->ipath_kregs->kr_extstatus);
+
+ if (!(extsval & (INFINIPATH_EXTS_MEMBIST_ENDTEST |
+ INFINIPATH_EXTS_MEMBIST_DISABLED)))
+ ipath_dev_err(dd, "MemBIST did not complete!\n");
+ if (extsval & INFINIPATH_EXTS_MEMBIST_DISABLED)
+ dev_info(&dd->pcidev->dev, "MemBIST is disabled.\n");
+
+ val = ~0ULL; /* barring bugs, all hwerrors become interrupts, */
+
+ if (!dd->ipath_boardrev) /* no PLL for Emulator */
+ val &= ~INFINIPATH_HWE_SERDESPLLFAILED;
+
+ if (dd->ipath_minrev == 1)
+ val &= ~(1ULL << 42); /* TXE LaunchFIFO Parity rev1 issue */
+
+ val &= ~INFINIPATH_HWE_IB_UC_MEMORYPARITYERR;
+ dd->ipath_hwerrmask = val;
+
+ /*
+ * special trigger "error" is for debugging purposes. It
+ * works around a processor/chipset problem. The error
+ * interrupt allows us to count occurrences, but we don't
+ * want to pay the overhead for normal use. Emulation only
+ */
+ if (!dd->ipath_boardrev)
+ dd->ipath_maskederrs = INFINIPATH_E_SENDSPECIALTRIGGER;
+}
+
+/*
+ * All detailed interaction with the SerDes has been moved to ipath_sd7220.c
+ *
+ * The portion of IBA7220-specific bringup_serdes() that actually deals with
+ * registers and memory within the SerDes itself is ipath_sd7220_init().
+ */
+
+/**
+ * ipath_7220_bringup_serdes - bring up the serdes
+ * @dd: the infinipath device
+ */
+static int ipath_7220_bringup_serdes(struct ipath_devdata *dd)
+{
+ int ret = 0;
+ u64 val, prev_val, guid;
+ int was_reset; /* Note whether uC was reset */
+
+ ipath_dbg("Trying to bringup serdes\n");
+
+ if (ipath_read_kreg64(dd, dd->ipath_kregs->kr_hwerrstatus) &
+ INFINIPATH_HWE_SERDESPLLFAILED) {
+ ipath_dbg("At start, serdes PLL failed bit set "
+ "in hwerrstatus, clearing and continuing\n");
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_hwerrclear,
+ INFINIPATH_HWE_SERDESPLLFAILED);
+ }
+
+ if (!dd->ipath_ibcddrctrl) {
+ /* not on re-init after reset */
+ dd->ipath_ibcddrctrl =
+ ipath_read_kreg64(dd, dd->ipath_kregs->kr_ibcddrctrl);
+
+ if (dd->ipath_link_speed_enabled ==
+ (IPATH_IB_SDR | IPATH_IB_DDR))
+ dd->ipath_ibcddrctrl |=
+ IBA7220_IBC_SPEED_AUTONEG_MASK |
+ IBA7220_IBC_IBTA_1_2_MASK;
+ else
+ dd->ipath_ibcddrctrl |=
+ dd->ipath_link_speed_enabled == IPATH_IB_DDR
+ ? IBA7220_IBC_SPEED_DDR :
+ IBA7220_IBC_SPEED_SDR;
+ if ((dd->ipath_link_width_enabled & (IB_WIDTH_1X |
+ IB_WIDTH_4X)) == (IB_WIDTH_1X | IB_WIDTH_4X))
+ dd->ipath_ibcddrctrl |= IBA7220_IBC_WIDTH_AUTONEG;
+ else
+ dd->ipath_ibcddrctrl |=
+ dd->ipath_link_width_enabled == IB_WIDTH_4X
+ ? IBA7220_IBC_WIDTH_4X_ONLY :
+ IBA7220_IBC_WIDTH_1X_ONLY;
+
+ /* always enable these on driver reload, not sticky */
+ dd->ipath_ibcddrctrl |=
+ IBA7220_IBC_RXPOL_MASK << IBA7220_IBC_RXPOL_SHIFT;
+ dd->ipath_ibcddrctrl |=
+ IBA7220_IBC_HRTBT_MASK << IBA7220_IBC_HRTBT_SHIFT;
+ /*
+ * automatic lane reversal detection for receive
+ * doesn't work correctly in rev 1, so disable it
+ * on that rev, otherwise enable (disabling not
+ * sticky across reload for >rev1)
+ */
+ if (dd->ipath_minrev == 1)
+ dd->ipath_ibcddrctrl &=
+ ~IBA7220_IBC_LANE_REV_SUPPORTED;
+ else
+ dd->ipath_ibcddrctrl |=
+ IBA7220_IBC_LANE_REV_SUPPORTED;
+ }
+
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_ibcddrctrl,
+ dd->ipath_ibcddrctrl);
+
+ ipath_write_kreg(dd, IPATH_KREG_OFFSET(IBNCModeCtrl), 0Ull);
+
+ /* IBA7220 has SERDES MPU reset in D0 of what _was_ IBPLLCfg */
+ val = ipath_read_kreg64(dd, dd->ipath_kregs->kr_ibserdesctrl);
+ /* remember if uC was in Reset or not, for dactrim */
+ was_reset = (val & 1);
+ ipath_cdbg(VERBOSE, "IBReset %s xgxsconfig %llx\n",
+ was_reset ? "Asserted" : "Negated", (unsigned long long)
+ ipath_read_kreg64(dd, dd->ipath_kregs->kr_xgxsconfig));
+
+ if (dd->ipath_boardrev) {
+ /*
+ * Hardware is not emulator, and may have been reset. Init it.
+ * Below will release reset, but needs to know if chip was
+ * originally in reset, to only trim DACs on first time
+ * after chip reset or powercycle (not driver reload)
+ */
+ ret = ipath_sd7220_init(dd, was_reset);
+ }
+
+ val = ipath_read_kreg64(dd, dd->ipath_kregs->kr_xgxsconfig);
+ prev_val = val;
+ val |= INFINIPATH_XGXS_FC_SAFE;
+ if (val != prev_val) {
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_xgxsconfig, val);
+ ipath_read_kreg32(dd, dd->ipath_kregs->kr_scratch);
+ }
+ if (val & INFINIPATH_XGXS_RESET)
+ val &= ~INFINIPATH_XGXS_RESET;
+ if (val != prev_val)
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_xgxsconfig, val);
+
+ ipath_cdbg(VERBOSE, "done: xgxs=%llx from %llx\n",
+ (unsigned long long)
+ ipath_read_kreg64(dd, dd->ipath_kregs->kr_xgxsconfig),
+ prev_val);
+
+ guid = be64_to_cpu(dd->ipath_guid);
+
+ if (!guid) {
+ /* have to have something, so use likely unique tsc */
+ guid = get_cycles();
+ ipath_dbg("No GUID for heartbeat, faking %llx\n",
+ (unsigned long long)guid);
+ } else
+ ipath_cdbg(VERBOSE, "Wrote %llX to HRTBT_GUID\n", guid);
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_hrtbt_guid, guid);
+ return ret;
+}
+
+static void ipath_7220_config_jint(struct ipath_devdata *dd,
+ u16 idle_ticks, u16 max_packets)
+{
+
+ /*
+ * We can request a receive interrupt for 1 or more packets
+ * from current offset.
+ */
+ if (idle_ticks == 0 || max_packets == 0)
+ /* interrupt after one packet if no mitigation */
+ dd->ipath_rhdrhead_intr_off =
+ 1ULL << IBA7220_HDRHEAD_PKTINT_SHIFT;
+ else
+ /* Turn off RcvHdrHead interrupts if using mitigation */
+ dd->ipath_rhdrhead_intr_off = 0ULL;
+
+ /* refresh kernel RcvHdrHead registers... */
+ ipath_write_ureg(dd, ur_rcvhdrhead,
+ dd->ipath_rhdrhead_intr_off |
+ dd->ipath_pd[0]->port_head, 0);
+
+ dd->ipath_jint_max_packets = max_packets;
+ dd->ipath_jint_idle_ticks = idle_ticks;
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_jintreload,
+ ((u64) max_packets << INFINIPATH_JINT_PACKETSHIFT) |
+ idle_ticks);
+}
+
+/**
+ * ipath_7220_quiet_serdes - set serdes to txidle
+ * @dd: the infinipath device
+ * Called when driver is being unloaded
+ */
+static void ipath_7220_quiet_serdes(struct ipath_devdata *dd)
+{
+ u64 val;
+ dd->ipath_flags &= ~IPATH_IB_AUTONEG_INPROG;
+ wake_up(&dd->ipath_autoneg_wait);
+ cancel_delayed_work(&dd->ipath_autoneg_work);
+ flush_scheduled_work();
+ ipath_shutdown_relock_poll(dd);
+ val = ipath_read_kreg64(dd, dd->ipath_kregs->kr_xgxsconfig);
+ val |= INFINIPATH_XGXS_RESET;
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_xgxsconfig, val);
+}
+
+static int ipath_7220_intconfig(struct ipath_devdata *dd)
+{
+ ipath_7220_config_jint(dd, dd->ipath_jint_idle_ticks,
+ dd->ipath_jint_max_packets);
+ return 0;
+}
+
+/**
+ * ipath_setup_7220_setextled - set the state of the two external LEDs
+ * @dd: the infinipath device
+ * @lst: the L state
+ * @ltst: the LT state
+ *
+ * These LEDs indicate the physical and logical state of IB link.
+ * For this chip (at least with recommended board pinouts), LED1
+ * is Yellow (logical state) and LED2 is Green (physical state),
+ *
+ * Note: We try to match the Mellanox HCA LED behavior as best
+ * we can. Green indicates physical link state is OK (something is
+ * plugged in, and we can train).
+ * Amber indicates the link is logically up (ACTIVE).
+ * Mellanox further blinks the amber LED to indicate data packet
+ * activity, but we have no hardware support for that, so it would
+ * require waking up every 10-20 msecs and checking the counters
+ * on the chip, and then turning the LED off if appropriate. That's
+ * visible overhead, so not something we will do.
+ *
+ */
+static void ipath_setup_7220_setextled(struct ipath_devdata *dd, u64 lst,
+ u64 ltst)
+{
+ u64 extctl, ledblink = 0;
+ unsigned long flags = 0;
+
+ /* the diags use the LED to indicate diag info, so we leave
+ * the external LED alone when the diags are running */
+ if (ipath_diag_inuse)
+ return;
+
+ /* Allow override of LED display for, e.g. Locating system in rack */
+ if (dd->ipath_led_override) {
+ ltst = (dd->ipath_led_override & IPATH_LED_PHYS)
+ ? INFINIPATH_IBCS_LT_STATE_LINKUP
+ : INFINIPATH_IBCS_LT_STATE_DISABLED;
+ lst = (dd->ipath_led_override & IPATH_LED_LOG)
+ ? INFINIPATH_IBCS_L_STATE_ACTIVE
+ : INFINIPATH_IBCS_L_STATE_DOWN;
+ }
+
+ spin_lock_irqsave(&dd->ipath_gpio_lock, flags);
+ extctl = dd->ipath_extctrl & ~(INFINIPATH_EXTC_LED1PRIPORT_ON |
+ INFINIPATH_EXTC_LED2PRIPORT_ON);
+ if (ltst == INFINIPATH_IBCS_LT_STATE_LINKUP) {
+ extctl |= INFINIPATH_EXTC_LED1PRIPORT_ON;
+ /*
+ * counts are in chip clock (4ns) periods.
+ * This is 1/16 sec (66.6ms) on,
+ * 3/16 sec (187.5 ms) off, with packets rcvd
+ */
+ ledblink = ((66600*1000UL/4) << IBA7220_LEDBLINK_ON_SHIFT)
+ | ((187500*1000UL/4) << IBA7220_LEDBLINK_OFF_SHIFT);
+ }
+ if (lst == INFINIPATH_IBCS_L_STATE_ACTIVE)
+ extctl |= INFINIPATH_EXTC_LED2PRIPORT_ON;
+ dd->ipath_extctrl = extctl;
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_extctrl, extctl);
+ spin_unlock_irqrestore(&dd->ipath_gpio_lock, flags);
+
+ if (ledblink) /* blink the LED on packet receive */
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_rcvpktledcnt,
+ ledblink);
+}
+
+/*
+ * Similar to pci_intx(pdev, 1), except that we make sure
+ * msi is off...
+ */
+static void ipath_enable_intx(struct pci_dev *pdev)
+{
+ u16 cw, new;
+ int pos;
+
+ /* first, turn on INTx */
+ pci_read_config_word(pdev, PCI_COMMAND, &cw);
+ new = cw & ~PCI_COMMAND_INTX_DISABLE;
+ if (new != cw)
+ pci_write_config_word(pdev, PCI_COMMAND, new);
+
+ /* then turn off MSI */
+ pos = pci_find_capability(pdev, PCI_CAP_ID_MSI);
+ if (pos) {
+ pci_read_config_word(pdev, pos + PCI_MSI_FLAGS, &cw);
+ new = cw & ~PCI_MSI_FLAGS_ENABLE;
+ if (new != cw)
+ pci_write_config_word(pdev, pos + PCI_MSI_FLAGS, new);
+ }
+}
+
+static int ipath_msi_enabled(struct pci_dev *pdev)
+{
+ int pos, ret = 0;
+
+ pos = pci_find_capability(pdev, PCI_CAP_ID_MSI);
+ if (pos) {
+ u16 cw;
+
+ pci_read_config_word(pdev, pos + PCI_MSI_FLAGS, &cw);
+ ret = !!(cw & PCI_MSI_FLAGS_ENABLE);
+ }
+ return ret;
+}
+
+/*
+ * disable msi interrupt if enabled, and clear the flag.
+ * flag is used primarily for the fallback to IntX, but
+ * is also used in reinit after reset as a flag.
+ */
+static void ipath_7220_nomsi(struct ipath_devdata *dd)
+{
+ dd->ipath_msi_lo = 0;
+#ifdef CONFIG_PCI_MSI
+ if (ipath_msi_enabled(dd->pcidev)) {
+ /*
+ * free, but don't zero; later kernels require
+ * it be freed before disable_msi, so the intx
+ * setup has to request it again.
+ */
+ if (dd->ipath_irq)
+ free_irq(dd->ipath_irq, dd);
+ pci_disable_msi(dd->pcidev);
+ }
+#endif
+}
+
+/*
+ * ipath_setup_7220_cleanup - clean up any per-chip chip-specific stuff
+ * @dd: the infinipath device
+ *
+ * Nothing but msi interrupt cleanup for now.
+ *
+ * This is called during driver unload.
+ */
+static void ipath_setup_7220_cleanup(struct ipath_devdata *dd)
+{
+ ipath_7220_nomsi(dd);
+}
+
+
+static void ipath_7220_pcie_params(struct ipath_devdata *dd, u32 boardrev)
+{
+ u16 linkstat, minwidth, speed;
+ int pos;
+
+ pos = pci_find_capability(dd->pcidev, PCI_CAP_ID_EXP);
+ if (!pos) {
+ ipath_dev_err(dd, "Can't find PCI Express capability!\n");
+ goto bail;
+ }
+
+ pci_read_config_word(dd->pcidev, pos + PCI_EXP_LNKSTA,
+ &linkstat);
+ /*
+ * speed is bits 0-4, linkwidth is bits 4-8
+ * no defines for them in headers
+ */
+ speed = linkstat & 0xf;
+ linkstat >>= 4;
+ linkstat &= 0x1f;
+ dd->ipath_lbus_width = linkstat;
+ switch (boardrev) {
+ case 0:
+ case 2:
+ case 10:
+ case 12:
+ minwidth = 16; /* x16 capable boards */
+ break;
+ default:
+ minwidth = 8; /* x8 capable boards */
+ break;
+ }
+
+ switch (speed) {
+ case 1:
+ dd->ipath_lbus_speed = 2500; /* Gen1, 2.5GHz */
+ break;
+ case 2:
+ dd->ipath_lbus_speed = 5000; /* Gen1, 5GHz */
+ break;
+ default: /* not defined, assume gen1 */
+ dd->ipath_lbus_speed = 2500;
+ break;
+ }
+
+ if (linkstat < minwidth)
+ ipath_dev_err(dd,
+ "PCIe width %u (x%u HCA), performance "
+ "reduced\n", linkstat, minwidth);
+ else
+ ipath_cdbg(VERBOSE, "PCIe speed %u width %u (x%u HCA)\n",
+ dd->ipath_lbus_speed, linkstat, minwidth);
+
+ if (speed != 1)
+ ipath_dev_err(dd,
+ "PCIe linkspeed %u is incorrect; "
+ "should be 1 (2500)!\n", speed);
+
+bail:
+ /* fill in string, even on errors */
+ snprintf(dd->ipath_lbus_info, sizeof(dd->ipath_lbus_info),
+ "PCIe,%uMHz,x%u\n",
+ dd->ipath_lbus_speed,
+ dd->ipath_lbus_width);
+ return;
+}
+
+
+/**
+ * ipath_setup_7220_config - setup PCIe config related stuff
+ * @dd: the infinipath device
+ * @pdev: the PCI device
+ *
+ * The pci_enable_msi() call will fail on systems with MSI quirks
+ * such as those with AMD8131, even if the device of interest is not
+ * attached to that device, (in the 2.6.13 - 2.6.15 kernels, at least, fixed
+ * late in 2.6.16).
+ * All that can be done is to edit the kernel source to remove the quirk
+ * check until that is fixed.
+ * We do not need to call enable_msi() for our HyperTransport chip,
+ * even though it uses MSI, and we want to avoid the quirk warning, so
+ * So we call enable_msi only for PCIe. If we do end up needing
+ * pci_enable_msi at some point in the future for HT, we'll move the
+ * call back into the main init_one code.
+ * We save the msi lo and hi values, so we can restore them after
+ * chip reset (the kernel PCI infrastructure doesn't yet handle that
+ * correctly).
+ */
+static int ipath_setup_7220_config(struct ipath_devdata *dd,
+ struct pci_dev *pdev)
+{
+ int pos, ret = -1;
+ u32 boardrev;
+
+ dd->ipath_msi_lo = 0; /* used as a flag during reset processing */
+#ifdef CONFIG_PCI_MSI
+ pos = pci_find_capability(pdev, PCI_CAP_ID_MSI);
+ if (!strcmp(int_type, "force_msi") || !strcmp(int_type, "auto"))
+ ret = pci_enable_msi(pdev);
+ if (ret) {
+ if (!strcmp(int_type, "force_msi")) {
+ ipath_dev_err(dd, "pci_enable_msi failed: %d, "
+ "force_msi is on, so not continuing.\n",
+ ret);
+ return ret;
+ }
+
+ ipath_enable_intx(pdev);
+ if (!strcmp(int_type, "auto"))
+ ipath_dev_err(dd, "pci_enable_msi failed: %d, "
+ "falling back to INTx\n", ret);
+ } else if (pos) {
+ u16 control;
+ pci_read_config_dword(pdev, pos + PCI_MSI_ADDRESS_LO,
+ &dd->ipath_msi_lo);
+ pci_read_config_dword(pdev, pos + PCI_MSI_ADDRESS_HI,
+ &dd->ipath_msi_hi);
+ pci_read_config_word(pdev, pos + PCI_MSI_FLAGS,
+ &control);
+ /* now save the data (vector) info */
+ pci_read_config_word(pdev,
+ pos + ((control & PCI_MSI_FLAGS_64BIT)
+ ? PCI_MSI_DATA_64 :
+ PCI_MSI_DATA_32),
+ &dd->ipath_msi_data);
+ } else
+ ipath_dev_err(dd, "Can't find MSI capability, "
+ "can't save MSI settings for reset\n");
+#else
+ ipath_dbg("PCI_MSI not configured, using IntX interrupts\n");
+ ipath_enable_intx(pdev);
+#endif
+
+ dd->ipath_irq = pdev->irq;
+
+ /*
+ * We save the cachelinesize also, although it doesn't
+ * really matter.
+ */
+ pci_read_config_byte(pdev, PCI_CACHE_LINE_SIZE,
+ &dd->ipath_pci_cacheline);
+
+ /*
+ * this function called early, ipath_boardrev not set yet. Can't
+ * use ipath_read_kreg64() yet, too early in init, so use readq()
+ */
+ boardrev = (readq(&dd->ipath_kregbase[dd->ipath_kregs->kr_revision])
+ >> INFINIPATH_R_BOARDID_SHIFT) & INFINIPATH_R_BOARDID_MASK;
+
+ ipath_7220_pcie_params(dd, boardrev);
+
+ dd->ipath_flags |= IPATH_NODMA_RTAIL | IPATH_HAS_SEND_DMA |
+ IPATH_HAS_PBC_CNT | IPATH_HAS_THRESH_UPDATE;
+ dd->ipath_pioupd_thresh = 4U; /* set default update threshold */
+ return 0;
+}
+
+static void ipath_init_7220_variables(struct ipath_devdata *dd)
+{
+ /*
+ * setup the register offsets, since they are different for each
+ * chip
+ */
+ dd->ipath_kregs = &ipath_7220_kregs;
+ dd->ipath_cregs = &ipath_7220_cregs;
+
+ /*
+ * bits for selecting i2c direction and values,
+ * used for I2C serial flash
+ */
+ dd->ipath_gpio_sda_num = _IPATH_GPIO_SDA_NUM;
+ dd->ipath_gpio_scl_num = _IPATH_GPIO_SCL_NUM;
+ dd->ipath_gpio_sda = IPATH_GPIO_SDA;
+ dd->ipath_gpio_scl = IPATH_GPIO_SCL;
+
+ /*
+ * Fill in data for field-values that change in IBA7220.
+ * We dynamically specify only the mask for LINKTRAININGSTATE
+ * and only the shift for LINKSTATE, as they are the only ones
+ * that change. Also precalculate the 3 link states of interest
+ * and the combined mask.
+ */
+ dd->ibcs_ls_shift = IBA7220_IBCS_LINKSTATE_SHIFT;
+ dd->ibcs_lts_mask = IBA7220_IBCS_LINKTRAININGSTATE_MASK;
+ dd->ibcs_mask = (INFINIPATH_IBCS_LINKSTATE_MASK <<
+ dd->ibcs_ls_shift) | dd->ibcs_lts_mask;
+ dd->ib_init = (INFINIPATH_IBCS_LT_STATE_LINKUP <<
+ INFINIPATH_IBCS_LINKTRAININGSTATE_SHIFT) |
+ (INFINIPATH_IBCS_L_STATE_INIT << dd->ibcs_ls_shift);
+ dd->ib_arm = (INFINIPATH_IBCS_LT_STATE_LINKUP <<
+ INFINIPATH_IBCS_LINKTRAININGSTATE_SHIFT) |
+ (INFINIPATH_IBCS_L_STATE_ARM << dd->ibcs_ls_shift);
+ dd->ib_active = (INFINIPATH_IBCS_LT_STATE_LINKUP <<
+ INFINIPATH_IBCS_LINKTRAININGSTATE_SHIFT) |
+ (INFINIPATH_IBCS_L_STATE_ACTIVE << dd->ibcs_ls_shift);
+
+ /*
+ * Fill in data for ibcc field-values that change in IBA7220.
+ * We dynamically specify only the mask for LINKINITCMD
+ * and only the shift for LINKCMD and MAXPKTLEN, as they are
+ * the only ones that change.
+ */
+ dd->ibcc_lic_mask = IBA7220_IBCC_LINKINITCMD_MASK;
+ dd->ibcc_lc_shift = IBA7220_IBCC_LINKCMD_SHIFT;
+ dd->ibcc_mpl_shift = IBA7220_IBCC_MAXPKTLEN_SHIFT;
+
+ /* Fill in shifts for RcvCtrl. */
+ dd->ipath_r_portenable_shift = INFINIPATH_R_PORTENABLE_SHIFT;
+ dd->ipath_r_intravail_shift = IBA7220_R_INTRAVAIL_SHIFT;
+ dd->ipath_r_tailupd_shift = IBA7220_R_TAILUPD_SHIFT;
+ dd->ipath_r_portcfg_shift = IBA7220_R_PORTCFG_SHIFT;
+
+ /* variables for sanity checking interrupt and errors */
+ dd->ipath_hwe_bitsextant =
+ (INFINIPATH_HWE_RXEMEMPARITYERR_MASK <<
+ INFINIPATH_HWE_RXEMEMPARITYERR_SHIFT) |
+ (INFINIPATH_HWE_TXEMEMPARITYERR_MASK <<
+ INFINIPATH_HWE_TXEMEMPARITYERR_SHIFT) |
+ (INFINIPATH_HWE_PCIEMEMPARITYERR_MASK <<
+ INFINIPATH_HWE_PCIEMEMPARITYERR_SHIFT) |
+ INFINIPATH_HWE_PCIE1PLLFAILED |
+ INFINIPATH_HWE_PCIE0PLLFAILED |
+ INFINIPATH_HWE_PCIEPOISONEDTLP |
+ INFINIPATH_HWE_PCIECPLTIMEOUT |
+ INFINIPATH_HWE_PCIEBUSPARITYXTLH |
+ INFINIPATH_HWE_PCIEBUSPARITYXADM |
+ INFINIPATH_HWE_PCIEBUSPARITYRADM |
+ INFINIPATH_HWE_MEMBISTFAILED |
+ INFINIPATH_HWE_COREPLL_FBSLIP |
+ INFINIPATH_HWE_COREPLL_RFSLIP |
+ INFINIPATH_HWE_SERDESPLLFAILED |
+ INFINIPATH_HWE_IBCBUSTOSPCPARITYERR |
+ INFINIPATH_HWE_IBCBUSFRSPCPARITYERR |
+ INFINIPATH_HWE_PCIECPLDATAQUEUEERR |
+ INFINIPATH_HWE_PCIECPLHDRQUEUEERR |
+ INFINIPATH_HWE_SDMAMEMREADERR |
+ INFINIPATH_HWE_CLK_UC_PLLNOTLOCKED |
+ INFINIPATH_HWE_PCIESERDESQ0PCLKNOTDETECT |
+ INFINIPATH_HWE_PCIESERDESQ1PCLKNOTDETECT |
+ INFINIPATH_HWE_PCIESERDESQ2PCLKNOTDETECT |
+ INFINIPATH_HWE_PCIESERDESQ3PCLKNOTDETECT |
+ INFINIPATH_HWE_DDSRXEQMEMORYPARITYERR |
+ INFINIPATH_HWE_IB_UC_MEMORYPARITYERR |
+ INFINIPATH_HWE_PCIE_UC_OCT0MEMORYPARITYERR |
+ INFINIPATH_HWE_PCIE_UC_OCT1MEMORYPARITYERR;
+ dd->ipath_i_bitsextant =
+ INFINIPATH_I_SDMAINT | INFINIPATH_I_SDMADISABLED |
+ (INFINIPATH_I_RCVURG_MASK << INFINIPATH_I_RCVURG_SHIFT) |
+ (INFINIPATH_I_RCVAVAIL_MASK <<
+ INFINIPATH_I_RCVAVAIL_SHIFT) |
+ INFINIPATH_I_ERROR | INFINIPATH_I_SPIOSENT |
+ INFINIPATH_I_SPIOBUFAVAIL | INFINIPATH_I_GPIO |
+ INFINIPATH_I_JINT | INFINIPATH_I_SERDESTRIMDONE;
+ dd->ipath_e_bitsextant =
+ INFINIPATH_E_RFORMATERR | INFINIPATH_E_RVCRC |
+ INFINIPATH_E_RICRC | INFINIPATH_E_RMINPKTLEN |
+ INFINIPATH_E_RMAXPKTLEN | INFINIPATH_E_RLONGPKTLEN |
+ INFINIPATH_E_RSHORTPKTLEN | INFINIPATH_E_RUNEXPCHAR |
+ INFINIPATH_E_RUNSUPVL | INFINIPATH_E_REBP |
+ INFINIPATH_E_RIBFLOW | INFINIPATH_E_RBADVERSION |
+ INFINIPATH_E_RRCVEGRFULL | INFINIPATH_E_RRCVHDRFULL |
+ INFINIPATH_E_RBADTID | INFINIPATH_E_RHDRLEN |
+ INFINIPATH_E_RHDR | INFINIPATH_E_RIBLOSTLINK |
+ INFINIPATH_E_SENDSPECIALTRIGGER |
+ INFINIPATH_E_SDMADISABLED | INFINIPATH_E_SMINPKTLEN |
+ INFINIPATH_E_SMAXPKTLEN | INFINIPATH_E_SUNDERRUN |
+ INFINIPATH_E_SPKTLEN | INFINIPATH_E_SDROPPEDSMPPKT |
+ INFINIPATH_E_SDROPPEDDATAPKT |
+ INFINIPATH_E_SPIOARMLAUNCH | INFINIPATH_E_SUNEXPERRPKTNUM |
+ INFINIPATH_E_SUNSUPVL | INFINIPATH_E_SENDBUFMISUSE |
+ INFINIPATH_E_SDMAGENMISMATCH | INFINIPATH_E_SDMAOUTOFBOUND |
+ INFINIPATH_E_SDMATAILOUTOFBOUND | INFINIPATH_E_SDMABASE |
+ INFINIPATH_E_SDMA1STDESC | INFINIPATH_E_SDMARPYTAG |
+ INFINIPATH_E_SDMADWEN | INFINIPATH_E_SDMAMISSINGDW |
+ INFINIPATH_E_SDMAUNEXPDATA |
+ INFINIPATH_E_IBSTATUSCHANGED | INFINIPATH_E_INVALIDADDR |
+ INFINIPATH_E_RESET | INFINIPATH_E_HARDWARE |
+ INFINIPATH_E_SDMADESCADDRMISALIGN |
+ INFINIPATH_E_INVALIDEEPCMD;
+
+ dd->ipath_i_rcvavail_mask = INFINIPATH_I_RCVAVAIL_MASK;
+ dd->ipath_i_rcvurg_mask = INFINIPATH_I_RCVURG_MASK;
+ dd->ipath_i_rcvavail_shift = INFINIPATH_I_RCVAVAIL_SHIFT;
+ dd->ipath_i_rcvurg_shift = INFINIPATH_I_RCVURG_SHIFT;
+ dd->ipath_flags |= IPATH_INTREG_64 | IPATH_HAS_MULT_IB_SPEED
+ | IPATH_HAS_LINK_LATENCY;
+
+ /*
+ * EEPROM error log 0 is TXE Parity errors. 1 is RXE Parity.
+ * 2 is Some Misc, 3 is reserved for future.
+ */
+ dd->ipath_eep_st_masks[0].hwerrs_to_log =
+ INFINIPATH_HWE_TXEMEMPARITYERR_MASK <<
+ INFINIPATH_HWE_TXEMEMPARITYERR_SHIFT;
+
+ dd->ipath_eep_st_masks[1].hwerrs_to_log =
+ INFINIPATH_HWE_RXEMEMPARITYERR_MASK <<
+ INFINIPATH_HWE_RXEMEMPARITYERR_SHIFT;
+
+ dd->ipath_eep_st_masks[2].errs_to_log = INFINIPATH_E_RESET;
+
+ ipath_linkrecovery = 0;
+
+ init_waitqueue_head(&dd->ipath_autoneg_wait);
+ INIT_DELAYED_WORK(&dd->ipath_autoneg_work, autoneg_work);
+
+ dd->ipath_link_width_supported = IB_WIDTH_1X | IB_WIDTH_4X;
+ dd->ipath_link_speed_supported = IPATH_IB_SDR | IPATH_IB_DDR;
+
+ dd->ipath_link_width_enabled = dd->ipath_link_width_supported;
+ dd->ipath_link_speed_enabled = dd->ipath_link_speed_supported;
+ /*
+ * set the initial values to reasonable default, will be set
+ * for real when link is up.
+ */
+ dd->ipath_link_width_active = IB_WIDTH_4X;
+ dd->ipath_link_speed_active = IPATH_IB_SDR;
+ dd->delay_mult = rate_to_delay[0][1];
+}
+
+
+/*
+ * Setup the MSI stuff again after a reset. I'd like to just call
+ * pci_enable_msi() and request_irq() again, but when I do that,
+ * the MSI enable bit doesn't get set in the command word, and
+ * we switch to to a different interrupt vector, which is confusing,
+ * so I instead just do it all inline. Perhaps somehow can tie this
+ * into the PCIe hotplug support at some point
+ * Note, because I'm doing it all here, I don't call pci_disable_msi()
+ * or free_irq() at the start of ipath_setup_7220_reset().
+ */
+static int ipath_reinit_msi(struct ipath_devdata *dd)
+{
+ int ret = 0;
+#ifdef CONFIG_PCI_MSI
+ int pos;
+ u16 control;
+ if (!dd->ipath_msi_lo) /* Using intX, or init problem */
+ goto bail;
+
+ pos = pci_find_capability(dd->pcidev, PCI_CAP_ID_MSI);
+ if (!pos) {
+ ipath_dev_err(dd, "Can't find MSI capability, "
+ "can't restore MSI settings\n");
+ goto bail;
+ }
+ ipath_cdbg(VERBOSE, "Writing msi_lo 0x%x to config offset 0x%x\n",
+ dd->ipath_msi_lo, pos + PCI_MSI_ADDRESS_LO);
+ pci_write_config_dword(dd->pcidev, pos + PCI_MSI_ADDRESS_LO,
+ dd->ipath_msi_lo);
+ ipath_cdbg(VERBOSE, "Writing msi_lo 0x%x to config offset 0x%x\n",
+ dd->ipath_msi_hi, pos + PCI_MSI_ADDRESS_HI);
+ pci_write_config_dword(dd->pcidev, pos + PCI_MSI_ADDRESS_HI,
+ dd->ipath_msi_hi);
+ pci_read_config_word(dd->pcidev, pos + PCI_MSI_FLAGS, &control);
+ if (!(control & PCI_MSI_FLAGS_ENABLE)) {
+ ipath_cdbg(VERBOSE, "MSI control at off %x was %x, "
+ "setting MSI enable (%x)\n", pos + PCI_MSI_FLAGS,
+ control, control | PCI_MSI_FLAGS_ENABLE);
+ control |= PCI_MSI_FLAGS_ENABLE;
+ pci_write_config_word(dd->pcidev, pos + PCI_MSI_FLAGS,
+ control);
+ }
+ /* now rewrite the data (vector) info */
+ pci_write_config_word(dd->pcidev, pos +
+ ((control & PCI_MSI_FLAGS_64BIT) ? 12 : 8),
+ dd->ipath_msi_data);
+ ret = 1;
+bail:
+#endif
+ if (!ret) {
+ ipath_dbg("Using IntX, MSI disabled or not configured\n");
+ ipath_enable_intx(dd->pcidev);
+ ret = 1;
+ }
+ /*
+ * We restore the cachelinesize also, although it doesn't really
+ * matter.
+ */
+ pci_write_config_byte(dd->pcidev, PCI_CACHE_LINE_SIZE,
+ dd->ipath_pci_cacheline);
+ /* and now set the pci master bit again */
+ pci_set_master(dd->pcidev);
+
+ return ret;
+}
+
+/*
+ * This routine sleeps, so it can only be called from user context, not
+ * from interrupt context. If we need interrupt context, we can split
+ * it into two routines.
+ */
+static int ipath_setup_7220_reset(struct ipath_devdata *dd)
+{
+ u64 val;
+ int i;
+ int ret;
+ u16 cmdval;
+
+ pci_read_config_word(dd->pcidev, PCI_COMMAND, &cmdval);
+
+ /* Use dev_err so it shows up in logs, etc. */
+ ipath_dev_err(dd, "Resetting InfiniPath unit %u\n", dd->ipath_unit);
+
+ /* keep chip from being accessed in a few places */
+ dd->ipath_flags &= ~(IPATH_INITTED | IPATH_PRESENT);
+ val = dd->ipath_control | INFINIPATH_C_RESET;
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_control, val);
+ mb();
+
+ for (i = 1; i <= 5; i++) {
+ int r;
+
+ /*
+ * Allow MBIST, etc. to complete; longer on each retry.
+ * We sometimes get machine checks from bus timeout if no
+ * response, so for now, make it *really* long.
+ */
+ msleep(1000 + (1 + i) * 2000);
+ r = pci_write_config_dword(dd->pcidev, PCI_BASE_ADDRESS_0,
+ dd->ipath_pcibar0);
+ if (r)
+ ipath_dev_err(dd, "rewrite of BAR0 failed: %d\n", r);
+ r = pci_write_config_dword(dd->pcidev, PCI_BASE_ADDRESS_1,
+ dd->ipath_pcibar1);
+ if (r)
+ ipath_dev_err(dd, "rewrite of BAR1 failed: %d\n", r);
+ /* now re-enable memory access */
+ pci_write_config_word(dd->pcidev, PCI_COMMAND, cmdval);
+ r = pci_enable_device(dd->pcidev);
+ if (r)
+ ipath_dev_err(dd, "pci_enable_device failed after "
+ "reset: %d\n", r);
+ /*
+ * whether it fully enabled or not, mark as present,
+ * again (but not INITTED)
+ */
+ dd->ipath_flags |= IPATH_PRESENT;
+ val = ipath_read_kreg64(dd, dd->ipath_kregs->kr_revision);
+ if (val == dd->ipath_revision) {
+ ipath_cdbg(VERBOSE, "Got matching revision "
+ "register %llx on try %d\n",
+ (unsigned long long) val, i);
+ ret = ipath_reinit_msi(dd);
+ goto bail;
+ }
+ /* Probably getting -1 back */
+ ipath_dbg("Didn't get expected revision register, "
+ "got %llx, try %d\n", (unsigned long long) val,
+ i + 1);
+ }
+ ret = 0; /* failed */
+
+bail:
+ if (ret)
+ ipath_7220_pcie_params(dd, dd->ipath_boardrev);
+
+ return ret;
+}
+
+/**
+ * ipath_7220_put_tid - write a TID to the chip
+ * @dd: the infinipath device
+ * @tidptr: pointer to the expected TID (in chip) to udpate
+ * @tidtype: 0 for eager, 1 for expected
+ * @pa: physical address of in memory buffer; ipath_tidinvalid if freeing
+ *
+ * This exists as a separate routine to allow for selection of the
+ * appropriate "flavor". The static calls in cleanup just use the
+ * revision-agnostic form, as they are not performance critical.
+ */
+static void ipath_7220_put_tid(struct ipath_devdata *dd, u64 __iomem *tidptr,
+ u32 type, unsigned long pa)
+{
+ if (pa != dd->ipath_tidinvalid) {
+ u64 chippa = pa >> IBA7220_TID_PA_SHIFT;
+
+ /* paranoia checks */
+ if (pa != (chippa << IBA7220_TID_PA_SHIFT)) {
+ dev_info(&dd->pcidev->dev, "BUG: physaddr %lx "
+ "not 2KB aligned!\n", pa);
+ return;
+ }
+ if (pa >= (1UL << IBA7220_TID_SZ_SHIFT)) {
+ ipath_dev_err(dd,
+ "BUG: Physical page address 0x%lx "
+ "larger than supported\n", pa);
+ return;
+ }
+
+ if (type == RCVHQ_RCV_TYPE_EAGER)
+ chippa |= dd->ipath_tidtemplate;
+ else /* for now, always full 4KB page */
+ chippa |= IBA7220_TID_SZ_4K;
+ writeq(chippa, tidptr);
+ } else
+ writeq(pa, tidptr);
+ mmiowb();
+}
+
+/**
+ * ipath_7220_clear_tid - clear all TID entries for a port, expected and eager
+ * @dd: the infinipath device
+ * @port: the port
+ *
+ * clear all TID entries for a port, expected and eager.
+ * Used from ipath_close(). On this chip, TIDs are only 32 bits,
+ * not 64, but they are still on 64 bit boundaries, so tidbase
+ * is declared as u64 * for the pointer math, even though we write 32 bits
+ */
+static void ipath_7220_clear_tids(struct ipath_devdata *dd, unsigned port)
+{
+ u64 __iomem *tidbase;
+ unsigned long tidinv;
+ int i;
+
+ if (!dd->ipath_kregbase)
+ return;
+
+ ipath_cdbg(VERBOSE, "Invalidate TIDs for port %u\n", port);
+
+ tidinv = dd->ipath_tidinvalid;
+ tidbase = (u64 __iomem *)
+ ((char __iomem *)(dd->ipath_kregbase) +
+ dd->ipath_rcvtidbase +
+ port * dd->ipath_rcvtidcnt * sizeof(*tidbase));
+
+ for (i = 0; i < dd->ipath_rcvtidcnt; i++)
+ ipath_7220_put_tid(dd, &tidbase[i], RCVHQ_RCV_TYPE_EXPECTED,
+ tidinv);
+
+ tidbase = (u64 __iomem *)
+ ((char __iomem *)(dd->ipath_kregbase) +
+ dd->ipath_rcvegrbase + port_egrtid_idx(dd, port)
+ * sizeof(*tidbase));
+
+ for (i = port ? dd->ipath_rcvegrcnt : dd->ipath_p0_rcvegrcnt; i; i--)
+ ipath_7220_put_tid(dd, &tidbase[i-1], RCVHQ_RCV_TYPE_EAGER,
+ tidinv);
+}
+
+/**
+ * ipath_7220_tidtemplate - setup constants for TID updates
+ * @dd: the infinipath device
+ *
+ * We setup stuff that we use a lot, to avoid calculating each time
+ */
+static void ipath_7220_tidtemplate(struct ipath_devdata *dd)
+{
+ /* For now, we always allocate 4KB buffers (at init) so we can
+ * receive max size packets. We may want a module parameter to
+ * specify 2KB or 4KB and/or make be per port instead of per device
+ * for those who want to reduce memory footprint. Note that the
+ * ipath_rcvhdrentsize size must be large enough to hold the largest
+ * IB header (currently 96 bytes) that we expect to handle (plus of
+ * course the 2 dwords of RHF).
+ */
+ if (dd->ipath_rcvegrbufsize == 2048)
+ dd->ipath_tidtemplate = IBA7220_TID_SZ_2K;
+ else if (dd->ipath_rcvegrbufsize == 4096)
+ dd->ipath_tidtemplate = IBA7220_TID_SZ_4K;
+ else {
+ dev_info(&dd->pcidev->dev, "BUG: unsupported egrbufsize "
+ "%u, using %u\n", dd->ipath_rcvegrbufsize,
+ 4096);
+ dd->ipath_tidtemplate = IBA7220_TID_SZ_4K;
+ }
+ dd->ipath_tidinvalid = 0;
+}
+
+static int ipath_7220_early_init(struct ipath_devdata *dd)
+{
+ u32 i, s;
+
+ if (strcmp(int_type, "auto") &&
+ strcmp(int_type, "force_msi") &&
+ strcmp(int_type, "force_intx")) {
+ ipath_dev_err(dd, "Invalid interrupt_type: '%s', expecting "
+ "auto, force_msi or force_intx\n", int_type);
+ return -EINVAL;
+ }
+
+ /*
+ * Control[4] has been added to change the arbitration within
+ * the SDMA engine between favoring data fetches over descriptor
+ * fetches. ipath_sdma_fetch_arb==0 gives data fetches priority.
+ */
+ if (ipath_sdma_fetch_arb && (dd->ipath_minrev > 1))
+ dd->ipath_control |= 1<<4;
+
+ dd->ipath_flags |= IPATH_4BYTE_TID;
+
+ /*
+ * For openfabrics, we need to be able to handle an IB header of
+ * 24 dwords. HT chip has arbitrary sized receive buffers, so we
+ * made them the same size as the PIO buffers. This chip does not
+ * handle arbitrary size buffers, so we need the header large enough
+ * to handle largest IB header, but still have room for a 2KB MTU
+ * standard IB packet.
+ */
+ dd->ipath_rcvhdrentsize = 24;
+ dd->ipath_rcvhdrsize = IPATH_DFLT_RCVHDRSIZE;
+ dd->ipath_rhf_offset =
+ dd->ipath_rcvhdrentsize - sizeof(u64) / sizeof(u32);
+
+ dd->ipath_rcvegrbufsize = ipath_mtu4096 ? 4096 : 2048;
+ /*
+ * the min() check here is currently a nop, but it may not always
+ * be, depending on just how we do ipath_rcvegrbufsize
+ */
+ dd->ipath_ibmaxlen = min(ipath_mtu4096 ? dd->ipath_piosize4k :
+ dd->ipath_piosize2k,
+ dd->ipath_rcvegrbufsize +
+ (dd->ipath_rcvhdrentsize << 2));
+ dd->ipath_init_ibmaxlen = dd->ipath_ibmaxlen;
+
+ ipath_7220_config_jint(dd, INFINIPATH_JINT_DEFAULT_IDLE_TICKS,
+ INFINIPATH_JINT_DEFAULT_MAX_PACKETS);
+
+ if (dd->ipath_boardrev) /* no eeprom on emulator */
+ ipath_get_eeprom_info(dd);
+
+ /* start of code to check and print procmon */
+ s = ipath_read_kreg32(dd, IPATH_KREG_OFFSET(ProcMon));
+ s &= ~(1U<<31); /* clear done bit */
+ s |= 1U<<14; /* clear counter (write 1 to clear) */
+ ipath_write_kreg(dd, IPATH_KREG_OFFSET(ProcMon), s);
+ /* make sure clear_counter low long enough before start */
+ ipath_read_kreg32(dd, dd->ipath_kregs->kr_scratch);
+ ipath_read_kreg32(dd, dd->ipath_kregs->kr_scratch);
+
+ s &= ~(1U<<14); /* allow counter to count (before starting) */
+ ipath_write_kreg(dd, IPATH_KREG_OFFSET(ProcMon), s);
+ ipath_read_kreg32(dd, dd->ipath_kregs->kr_scratch);
+ ipath_read_kreg32(dd, dd->ipath_kregs->kr_scratch);
+ s = ipath_read_kreg32(dd, IPATH_KREG_OFFSET(ProcMon));
+
+ s |= 1U<<15; /* start the counter */
+ s &= ~(1U<<31); /* clear done bit */
+ s &= ~0x7ffU; /* clear frequency bits */
+ s |= 0xe29; /* set frequency bits, in case cleared */
+ ipath_write_kreg(dd, IPATH_KREG_OFFSET(ProcMon), s);
+
+ s = 0;
+ for (i = 500; i > 0 && !(s&(1ULL<<31)); i--) {
+ ipath_read_kreg32(dd, dd->ipath_kregs->kr_scratch);
+ s = ipath_read_kreg32(dd, IPATH_KREG_OFFSET(ProcMon));
+ }
+ if (!(s&(1U<<31)))
+ ipath_dev_err(dd, "ProcMon register not valid: 0x%x\n", s);
+ else
+ ipath_dbg("ProcMon=0x%x, count=0x%x\n", s, (s>>16)&0x1ff);
+
+ return 0;
+}
+
+/**
+ * ipath_init_7220_get_base_info - set chip-specific flags for user code
+ * @pd: the infinipath port
+ * @kbase: ipath_base_info pointer
+ *
+ * We set the PCIE flag because the lower bandwidth on PCIe vs
+ * HyperTransport can affect some user packet algorithims.
+ */
+static int ipath_7220_get_base_info(struct ipath_portdata *pd, void *kbase)
+{
+ struct ipath_base_info *kinfo = kbase;
+
+ kinfo->spi_runtime_flags |=
+ IPATH_RUNTIME_PCIE | IPATH_RUNTIME_NODMA_RTAIL |
+ IPATH_RUNTIME_SDMA;
+
+ return 0;
+}
+
+static void ipath_7220_free_irq(struct ipath_devdata *dd)
+{
+ free_irq(dd->ipath_irq, dd);
+ dd->ipath_irq = 0;
+}
+
+static struct ipath_message_header *
+ipath_7220_get_msgheader(struct ipath_devdata *dd, __le32 *rhf_addr)
+{
+ u32 offset = ipath_hdrget_offset(rhf_addr);
+
+ return (struct ipath_message_header *)
+ (rhf_addr - dd->ipath_rhf_offset + offset);
+}
+
+static void ipath_7220_config_ports(struct ipath_devdata *dd, ushort cfgports)
+{
+ u32 nchipports;
+
+ nchipports = ipath_read_kreg32(dd, dd->ipath_kregs->kr_portcnt);
+ if (!cfgports) {
+ int ncpus = num_online_cpus();
+
+ if (ncpus <= 4)
+ dd->ipath_portcnt = 5;
+ else if (ncpus <= 8)
+ dd->ipath_portcnt = 9;
+ if (dd->ipath_portcnt)
+ ipath_dbg("Auto-configured for %u ports, %d cpus "
+ "online\n", dd->ipath_portcnt, ncpus);
+ } else if (cfgports <= nchipports)
+ dd->ipath_portcnt = cfgports;
+ if (!dd->ipath_portcnt) /* none of the above, set to max */
+ dd->ipath_portcnt = nchipports;
+ /*
+ * chip can be configured for 5, 9, or 17 ports, and choice
+ * affects number of eager TIDs per port (1K, 2K, 4K).
+ */
+ if (dd->ipath_portcnt > 9)
+ dd->ipath_rcvctrl |= 2ULL << IBA7220_R_PORTCFG_SHIFT;
+ else if (dd->ipath_portcnt > 5)
+ dd->ipath_rcvctrl |= 1ULL << IBA7220_R_PORTCFG_SHIFT;
+ /* else configure for default 5 receive ports */
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_rcvctrl,
+ dd->ipath_rcvctrl);
+ dd->ipath_p0_rcvegrcnt = 2048; /* always */
+ if (dd->ipath_flags & IPATH_HAS_SEND_DMA)
+ dd->ipath_pioreserved = 1; /* reserve a buffer */
+}
+
+
+static int ipath_7220_get_ib_cfg(struct ipath_devdata *dd, int which)
+{
+ int lsb, ret = 0;
+ u64 maskr; /* right-justified mask */
+
+ switch (which) {
+ case IPATH_IB_CFG_HRTBT: /* Get Heartbeat off/enable/auto */
+ lsb = IBA7220_IBC_HRTBT_SHIFT;
+ maskr = IBA7220_IBC_HRTBT_MASK;
+ break;
+
+ case IPATH_IB_CFG_LWID_ENB: /* Get allowed Link-width */
+ ret = dd->ipath_link_width_enabled;
+ goto done;
+
+ case IPATH_IB_CFG_LWID: /* Get currently active Link-width */
+ ret = dd->ipath_link_width_active;
+ goto done;
+
+ case IPATH_IB_CFG_SPD_ENB: /* Get allowed Link speeds */
+ ret = dd->ipath_link_speed_enabled;
+ goto done;
+
+ case IPATH_IB_CFG_SPD: /* Get current Link spd */
+ ret = dd->ipath_link_speed_active;
+ goto done;
+
+ case IPATH_IB_CFG_RXPOL_ENB: /* Get Auto-RX-polarity enable */
+ lsb = IBA7220_IBC_RXPOL_SHIFT;
+ maskr = IBA7220_IBC_RXPOL_MASK;
+ break;
+
+ case IPATH_IB_CFG_LREV_ENB: /* Get Auto-Lane-reversal enable */
+ lsb = IBA7220_IBC_LREV_SHIFT;
+ maskr = IBA7220_IBC_LREV_MASK;
+ break;
+
+ case IPATH_IB_CFG_LINKLATENCY:
+ ret = ipath_read_kreg64(dd, dd->ipath_kregs->kr_ibcddrstatus)
+ & IBA7220_DDRSTAT_LINKLAT_MASK;
+ goto done;
+
+ default:
+ ret = -ENOTSUPP;
+ goto done;
+ }
+ ret = (int)((dd->ipath_ibcddrctrl >> lsb) & maskr);
+done:
+ return ret;
+}
+
+static int ipath_7220_set_ib_cfg(struct ipath_devdata *dd, int which, u32 val)
+{
+ int lsb, ret = 0, setforce = 0;
+ u64 maskr; /* right-justified mask */
+
+ switch (which) {
+ case IPATH_IB_CFG_LIDLMC:
+ /*
+ * Set LID and LMC. Combined to avoid possible hazard
+ * caller puts LMC in 16MSbits, DLID in 16LSbits of val
+ */
+ lsb = IBA7220_IBC_DLIDLMC_SHIFT;
+ maskr = IBA7220_IBC_DLIDLMC_MASK;
+ break;
+
+ case IPATH_IB_CFG_HRTBT: /* set Heartbeat off/enable/auto */
+ if (val & IPATH_IB_HRTBT_ON &&
+ (dd->ipath_flags & IPATH_NO_HRTBT))
+ goto bail;
+ lsb = IBA7220_IBC_HRTBT_SHIFT;
+ maskr = IBA7220_IBC_HRTBT_MASK;
+ break;
+
+ case IPATH_IB_CFG_LWID_ENB: /* set allowed Link-width */
+ /*
+ * As with speed, only write the actual register if
+ * the link is currently down, otherwise takes effect
+ * on next link change.
+ */
+ dd->ipath_link_width_enabled = val;
+ if ((dd->ipath_flags & (IPATH_LINKDOWN|IPATH_LINKINIT)) !=
+ IPATH_LINKDOWN)
+ goto bail;
+ /*
+ * We set the IPATH_IB_FORCE_NOTIFY bit so updown
+ * will get called because we want update
+ * link_width_active, and the change may not take
+ * effect for some time (if we are in POLL), so this
+ * flag will force the updown routine to be called
+ * on the next ibstatuschange down interrupt, even
+ * if it's not an down->up transition.
+ */
+ val--; /* convert from IB to chip */
+ maskr = IBA7220_IBC_WIDTH_MASK;
+ lsb = IBA7220_IBC_WIDTH_SHIFT;
+ setforce = 1;
+ dd->ipath_flags |= IPATH_IB_FORCE_NOTIFY;
+ break;
+
+ case IPATH_IB_CFG_SPD_ENB: /* set allowed Link speeds */
+ /*
+ * If we turn off IB1.2, need to preset SerDes defaults,
+ * but not right now. Set a flag for the next time
+ * we command the link down. As with width, only write the
+ * actual register if the link is currently down, otherwise
+ * takes effect on next link change. Since setting is being
+ * explictly requested (via MAD or sysfs), clear autoneg
+ * failure status if speed autoneg is enabled.
+ */
+ dd->ipath_link_speed_enabled = val;
+ if (dd->ipath_ibcddrctrl & IBA7220_IBC_IBTA_1_2_MASK &&
+ !(val & (val - 1)))
+ dd->ipath_presets_needed = 1;
+ if ((dd->ipath_flags & (IPATH_LINKDOWN|IPATH_LINKINIT)) !=
+ IPATH_LINKDOWN)
+ goto bail;
+ /*
+ * We set the IPATH_IB_FORCE_NOTIFY bit so updown
+ * will get called because we want update
+ * link_speed_active, and the change may not take
+ * effect for some time (if we are in POLL), so this
+ * flag will force the updown routine to be called
+ * on the next ibstatuschange down interrupt, even
+ * if it's not an down->up transition. When setting
+ * speed autoneg, clear AUTONEG_FAILED.
+ */
+ if (val == (IPATH_IB_SDR | IPATH_IB_DDR)) {
+ val = IBA7220_IBC_SPEED_AUTONEG_MASK |
+ IBA7220_IBC_IBTA_1_2_MASK;
+ dd->ipath_flags &= ~IPATH_IB_AUTONEG_FAILED;
+ } else
+ val = val == IPATH_IB_DDR ? IBA7220_IBC_SPEED_DDR
+ : IBA7220_IBC_SPEED_SDR;
+ maskr = IBA7220_IBC_SPEED_AUTONEG_MASK |
+ IBA7220_IBC_IBTA_1_2_MASK;
+ lsb = 0; /* speed bits are low bits */
+ setforce = 1;
+ break;
+
+ case IPATH_IB_CFG_RXPOL_ENB: /* set Auto-RX-polarity enable */
+ lsb = IBA7220_IBC_RXPOL_SHIFT;
+ maskr = IBA7220_IBC_RXPOL_MASK;
+ break;
+
+ case IPATH_IB_CFG_LREV_ENB: /* set Auto-Lane-reversal enable */
+ lsb = IBA7220_IBC_LREV_SHIFT;
+ maskr = IBA7220_IBC_LREV_MASK;
+ break;
+
+ default:
+ ret = -ENOTSUPP;
+ goto bail;
+ }
+ dd->ipath_ibcddrctrl &= ~(maskr << lsb);
+ dd->ipath_ibcddrctrl |= (((u64) val & maskr) << lsb);
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_ibcddrctrl,
+ dd->ipath_ibcddrctrl);
+ if (setforce)
+ dd->ipath_flags |= IPATH_IB_FORCE_NOTIFY;
+bail:
+ return ret;
+}
+
+static void ipath_7220_read_counters(struct ipath_devdata *dd,
+ struct infinipath_counters *cntrs)
+{
+ u64 *counters = (u64 *) cntrs;
+ int i;
+
+ for (i = 0; i < sizeof(*cntrs) / sizeof(u64); i++)
+ counters[i] = ipath_snap_cntr(dd, i);
+}
+
+/* if we are using MSI, try to fallback to IntX */
+static int ipath_7220_intr_fallback(struct ipath_devdata *dd)
+{
+ if (dd->ipath_msi_lo) {
+ dev_info(&dd->pcidev->dev, "MSI interrupt not detected,"
+ " trying IntX interrupts\n");
+ ipath_7220_nomsi(dd);
+ ipath_enable_intx(dd->pcidev);
+ /*
+ * some newer kernels require free_irq before disable_msi,
+ * and irq can be changed during disable and intx enable
+ * and we need to therefore use the pcidev->irq value,
+ * not our saved MSI value.
+ */
+ dd->ipath_irq = dd->pcidev->irq;
+ if (request_irq(dd->ipath_irq, ipath_intr, IRQF_SHARED,
+ IPATH_DRV_NAME, dd))
+ ipath_dev_err(dd,
+ "Could not re-request_irq for IntX\n");
+ return 1;
+ }
+ return 0;
+}
+
+/*
+ * reset the XGXS (between serdes and IBC). Slightly less intrusive
+ * than resetting the IBC or external link state, and useful in some
+ * cases to cause some retraining. To do this right, we reset IBC
+ * as well.
+ */
+static void ipath_7220_xgxs_reset(struct ipath_devdata *dd)
+{
+ u64 val, prev_val;
+
+ prev_val = ipath_read_kreg64(dd, dd->ipath_kregs->kr_xgxsconfig);
+ val = prev_val | INFINIPATH_XGXS_RESET;
+ prev_val &= ~INFINIPATH_XGXS_RESET; /* be sure */
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_control,
+ dd->ipath_control & ~INFINIPATH_C_LINKENABLE);
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_xgxsconfig, val);
+ ipath_read_kreg32(dd, dd->ipath_kregs->kr_scratch);
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_xgxsconfig, prev_val);
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_control,
+ dd->ipath_control);
+}
+
+
+/* Still needs cleanup, too much hardwired stuff */
+static void autoneg_send(struct ipath_devdata *dd,
+ u32 *hdr, u32 dcnt, u32 *data)
+{
+ int i;
+ u64 cnt;
+ u32 __iomem *piobuf;
+ u32 pnum;
+
+ i = 0;
+ cnt = 7 + dcnt + 1; /* 7 dword header, dword data, icrc */
+ while (!(piobuf = ipath_getpiobuf(dd, cnt, &pnum))) {
+ if (i++ > 15) {
+ ipath_dbg("Couldn't get pio buffer for send\n");
+ return;
+ }
+ udelay(2);
+ }
+ if (dd->ipath_flags&IPATH_HAS_PBC_CNT)
+ cnt |= 0x80000000UL<<32; /* mark as VL15 */
+ writeq(cnt, piobuf);
+ ipath_flush_wc();
+ __iowrite32_copy(piobuf + 2, hdr, 7);
+ __iowrite32_copy(piobuf + 9, data, dcnt);
+ ipath_flush_wc();
+}
+
+/*
+ * _start packet gets sent twice at start, _done gets sent twice at end
+ */
+static void ipath_autoneg_send(struct ipath_devdata *dd, int which)
+{
+ static u32 swapped;
+ u32 dw, i, hcnt, dcnt, *data;
+ static u32 hdr[7] = { 0xf002ffff, 0x48ffff, 0x6400abba };
+ static u32 madpayload_start[0x40] = {
+ 0x1810103, 0x1, 0x0, 0x0, 0x2c90000, 0x2c9, 0x0, 0x0,
+ 0xffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
+ 0x1, 0x1388, 0x15e, 0x1, /* rest 0's */
+ };
+ static u32 madpayload_done[0x40] = {
+ 0x1810103, 0x1, 0x0, 0x0, 0x2c90000, 0x2c9, 0x0, 0x0,
+ 0xffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
+ 0x40000001, 0x1388, 0x15e, /* rest 0's */
+ };
+ dcnt = sizeof(madpayload_start)/sizeof(madpayload_start[0]);
+ hcnt = sizeof(hdr)/sizeof(hdr[0]);
+ if (!swapped) {
+ /* for maintainability, do it at runtime */
+ for (i = 0; i < hcnt; i++) {
+ dw = (__force u32) cpu_to_be32(hdr[i]);
+ hdr[i] = dw;
+ }
+ for (i = 0; i < dcnt; i++) {
+ dw = (__force u32) cpu_to_be32(madpayload_start[i]);
+ madpayload_start[i] = dw;
+ dw = (__force u32) cpu_to_be32(madpayload_done[i]);
+ madpayload_done[i] = dw;
+ }
+ swapped = 1;
+ }
+
+ data = which ? madpayload_done : madpayload_start;
+ ipath_cdbg(PKT, "Sending %s special MADs\n", which?"done":"start");
+
+ autoneg_send(dd, hdr, dcnt, data);
+ ipath_read_kreg64(dd, dd->ipath_kregs->kr_scratch);
+ udelay(2);
+ autoneg_send(dd, hdr, dcnt, data);
+ ipath_read_kreg64(dd, dd->ipath_kregs->kr_scratch);
+ udelay(2);
+}
+
+
+
+/*
+ * Do the absolute minimum to cause an IB speed change, and make it
+ * ready, but don't actually trigger the change. The caller will
+ * do that when ready (if link is in Polling training state, it will
+ * happen immediately, otherwise when link next goes down)
+ *
+ * This routine should only be used as part of the DDR autonegotation
+ * code for devices that are not compliant with IB 1.2 (or code that
+ * fixes things up for same).
+ *
+ * When link has gone down, and autoneg enabled, or autoneg has
+ * failed and we give up until next time we set both speeds, and
+ * then we want IBTA enabled as well as "use max enabled speed.
+ */
+static void set_speed_fast(struct ipath_devdata *dd, u32 speed)
+{
+ dd->ipath_ibcddrctrl &= ~(IBA7220_IBC_SPEED_AUTONEG_MASK |
+ IBA7220_IBC_IBTA_1_2_MASK |
+ (IBA7220_IBC_WIDTH_MASK << IBA7220_IBC_WIDTH_SHIFT));
+
+ if (speed == (IPATH_IB_SDR | IPATH_IB_DDR))
+ dd->ipath_ibcddrctrl |= IBA7220_IBC_SPEED_AUTONEG_MASK |
+ IBA7220_IBC_IBTA_1_2_MASK;
+ else
+ dd->ipath_ibcddrctrl |= speed == IPATH_IB_DDR ?
+ IBA7220_IBC_SPEED_DDR : IBA7220_IBC_SPEED_SDR;
+
+ /*
+ * Convert from IB-style 1 = 1x, 2 = 4x, 3 = auto
+ * to chip-centric 0 = 1x, 1 = 4x, 2 = auto
+ */
+ dd->ipath_ibcddrctrl |= (u64)(dd->ipath_link_width_enabled - 1) <<
+ IBA7220_IBC_WIDTH_SHIFT;
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_ibcddrctrl,
+ dd->ipath_ibcddrctrl);
+ ipath_cdbg(VERBOSE, "setup for IB speed (%x) done\n", speed);
+}
+
+
+/*
+ * this routine is only used when we are not talking to another
+ * IB 1.2-compliant device that we think can do DDR.
+ * (This includes all existing switch chips as of Oct 2007.)
+ * 1.2-compliant devices go directly to DDR prior to reaching INIT
+ */
+static void try_auto_neg(struct ipath_devdata *dd)
+{
+ /*
+ * required for older non-IB1.2 DDR switches. Newer
+ * non-IB-compliant switches don't need it, but so far,
+ * aren't bothered by it either. "Magic constant"
+ */
+ ipath_write_kreg(dd, IPATH_KREG_OFFSET(IBNCModeCtrl),
+ 0x3b9dc07);
+ dd->ipath_flags |= IPATH_IB_AUTONEG_INPROG;
+ ipath_autoneg_send(dd, 0);
+ set_speed_fast(dd, IPATH_IB_DDR);
+ ipath_toggle_rclkrls(dd);
+ /* 2 msec is minimum length of a poll cycle */
+ schedule_delayed_work(&dd->ipath_autoneg_work,
+ msecs_to_jiffies(2));
+}
+
+
+static int ipath_7220_ib_updown(struct ipath_devdata *dd, int ibup, u64 ibcs)
+{
+ int ret = 0;
+ u32 ltstate = ipath_ib_linkstate(dd, ibcs);
+
+ dd->ipath_link_width_active =
+ ((ibcs >> IBA7220_IBCS_LINKWIDTH_SHIFT) & 1) ?
+ IB_WIDTH_4X : IB_WIDTH_1X;
+ dd->ipath_link_speed_active =
+ ((ibcs >> IBA7220_IBCS_LINKSPEED_SHIFT) & 1) ?
+ IPATH_IB_DDR : IPATH_IB_SDR;
+
+ if (!ibup) {
+ /*
+ * when link goes down we don't want aeq running, so it
+ * won't't interfere with IBC training, etc., and we need
+ * to go back to the static SerDes preset values
+ */
+ if (dd->ipath_x1_fix_tries &&
+ ltstate <= INFINIPATH_IBCS_LT_STATE_SLEEPQUIET &&
+ ltstate != INFINIPATH_IBCS_LT_STATE_LINKUP)
+ dd->ipath_x1_fix_tries = 0;
+ if (!(dd->ipath_flags & (IPATH_IB_AUTONEG_FAILED |
+ IPATH_IB_AUTONEG_INPROG)))
+ set_speed_fast(dd, dd->ipath_link_speed_enabled);
+ if (!(dd->ipath_flags & IPATH_IB_AUTONEG_INPROG)) {
+ ipath_cdbg(VERBOSE, "Setting RXEQ defaults\n");
+ ipath_sd7220_presets(dd);
+ }
+ /* this might better in ipath_sd7220_presets() */
+ ipath_set_relock_poll(dd, ibup);
+ } else {
+ if (ipath_compat_ddr_negotiate &&
+ !(dd->ipath_flags & (IPATH_IB_AUTONEG_FAILED |
+ IPATH_IB_AUTONEG_INPROG)) &&
+ dd->ipath_link_speed_active == IPATH_IB_SDR &&
+ (dd->ipath_link_speed_enabled &
+ (IPATH_IB_DDR | IPATH_IB_SDR)) ==
+ (IPATH_IB_DDR | IPATH_IB_SDR) &&
+ dd->ipath_autoneg_tries < IPATH_AUTONEG_TRIES) {
+ /* we are SDR, and DDR auto-negotiation enabled */
+ ++dd->ipath_autoneg_tries;
+ ipath_dbg("DDR negotiation try, %u/%u\n",
+ dd->ipath_autoneg_tries,
+ IPATH_AUTONEG_TRIES);
+ try_auto_neg(dd);
+ ret = 1; /* no other IB status change processing */
+ } else if ((dd->ipath_flags & IPATH_IB_AUTONEG_INPROG)
+ && dd->ipath_link_speed_active == IPATH_IB_SDR) {
+ ipath_autoneg_send(dd, 1);
+ set_speed_fast(dd, IPATH_IB_DDR);
+ udelay(2);
+ ipath_toggle_rclkrls(dd);
+ ret = 1; /* no other IB status change processing */
+ } else {
+ if ((dd->ipath_flags & IPATH_IB_AUTONEG_INPROG) &&
+ (dd->ipath_link_speed_active & IPATH_IB_DDR)) {
+ ipath_dbg("Got to INIT with DDR autoneg\n");
+ dd->ipath_flags &= ~(IPATH_IB_AUTONEG_INPROG
+ | IPATH_IB_AUTONEG_FAILED);
+ dd->ipath_autoneg_tries = 0;
+ /* re-enable SDR, for next link down */
+ set_speed_fast(dd,
+ dd->ipath_link_speed_enabled);
+ wake_up(&dd->ipath_autoneg_wait);
+ } else if (dd->ipath_flags & IPATH_IB_AUTONEG_FAILED) {
+ /*
+ * clear autoneg failure flag, and do setup
+ * so we'll try next time link goes down and
+ * back to INIT (possibly connected to different
+ * device).
+ */
+ ipath_dbg("INIT %sDR after autoneg failure\n",
+ (dd->ipath_link_speed_active &
+ IPATH_IB_DDR) ? "D" : "S");
+ dd->ipath_flags &= ~IPATH_IB_AUTONEG_FAILED;
+ dd->ipath_ibcddrctrl |=
+ IBA7220_IBC_IBTA_1_2_MASK;
+ ipath_write_kreg(dd,
+ IPATH_KREG_OFFSET(IBNCModeCtrl), 0);
+ }
+ }
+ /*
+ * if we are in 1X, and are in autoneg width, it
+ * could be due to an xgxs problem, so if we haven't
+ * already tried, try twice to get to 4X; if we
+ * tried, and couldn't, report it, since it will
+ * probably not be what is desired.
+ */
+ if ((dd->ipath_link_width_enabled & (IB_WIDTH_1X |
+ IB_WIDTH_4X)) == (IB_WIDTH_1X | IB_WIDTH_4X)
+ && dd->ipath_link_width_active == IB_WIDTH_1X
+ && dd->ipath_x1_fix_tries < 3) {
+ if (++dd->ipath_x1_fix_tries == 3)
+ dev_info(&dd->pcidev->dev,
+ "IB link is in 1X mode\n");
+ else {
+ ipath_cdbg(VERBOSE, "IB 1X in "
+ "auto-width, try %u to be "
+ "sure it's really 1X; "
+ "ltstate %u\n",
+ dd->ipath_x1_fix_tries,
+ ltstate);
+ dd->ipath_f_xgxs_reset(dd);
+ ret = 1; /* skip other processing */
+ }
+ }
+
+ if (!ret) {
+ dd->delay_mult = rate_to_delay
+ [(ibcs >> IBA7220_IBCS_LINKSPEED_SHIFT) & 1]
+ [(ibcs >> IBA7220_IBCS_LINKWIDTH_SHIFT) & 1];
+
+ ipath_set_relock_poll(dd, ibup);
+ }
+ }
+
+ if (!ret)
+ ipath_setup_7220_setextled(dd, ipath_ib_linkstate(dd, ibcs),
+ ltstate);
+ return ret;
+}
+
+
+/*
+ * Handle the empirically determined mechanism for auto-negotiation
+ * of DDR speed with switches.
+ */
+static void autoneg_work(struct work_struct *work)
+{
+ struct ipath_devdata *dd;
+ u64 startms;
+ u32 lastlts, i;
+
+ dd = container_of(work, struct ipath_devdata,
+ ipath_autoneg_work.work);
+
+ startms = jiffies_to_msecs(jiffies);
+
+ /*
+ * busy wait for this first part, it should be at most a
+ * few hundred usec, since we scheduled ourselves for 2msec.
+ */
+ for (i = 0; i < 25; i++) {
+ lastlts = ipath_ib_linktrstate(dd, dd->ipath_lastibcstat);
+ if (lastlts == INFINIPATH_IBCS_LT_STATE_POLLQUIET) {
+ ipath_set_linkstate(dd, IPATH_IB_LINKDOWN_DISABLE);
+ break;
+ }
+ udelay(100);
+ }
+
+ if (!(dd->ipath_flags & IPATH_IB_AUTONEG_INPROG))
+ goto done; /* we got there early or told to stop */
+
+ /* we expect this to timeout */
+ if (wait_event_timeout(dd->ipath_autoneg_wait,
+ !(dd->ipath_flags & IPATH_IB_AUTONEG_INPROG),
+ msecs_to_jiffies(90)))
+ goto done;
+
+ ipath_toggle_rclkrls(dd);
+
+ /* we expect this to timeout */
+ if (wait_event_timeout(dd->ipath_autoneg_wait,
+ !(dd->ipath_flags & IPATH_IB_AUTONEG_INPROG),
+ msecs_to_jiffies(1700)))
+ goto done;
+
+ set_speed_fast(dd, IPATH_IB_SDR);
+ ipath_toggle_rclkrls(dd);
+
+ /*
+ * wait up to 250 msec for link to train and get to INIT at DDR;
+ * this should terminate early
+ */
+ wait_event_timeout(dd->ipath_autoneg_wait,
+ !(dd->ipath_flags & IPATH_IB_AUTONEG_INPROG),
+ msecs_to_jiffies(250));
+done:
+ if (dd->ipath_flags & IPATH_IB_AUTONEG_INPROG) {
+ ipath_dbg("Did not get to DDR INIT (%x) after %Lu msecs\n",
+ ipath_ib_state(dd, dd->ipath_lastibcstat),
+ jiffies_to_msecs(jiffies)-startms);
+ dd->ipath_flags &= ~IPATH_IB_AUTONEG_INPROG;
+ if (dd->ipath_autoneg_tries == IPATH_AUTONEG_TRIES) {
+ dd->ipath_flags |= IPATH_IB_AUTONEG_FAILED;
+ ipath_dbg("Giving up on DDR until next IB "
+ "link Down\n");
+ dd->ipath_autoneg_tries = 0;
+ }
+ set_speed_fast(dd, dd->ipath_link_speed_enabled);
+ }
+}
+
+
+/**
+ * ipath_init_iba7220_funcs - set up the chip-specific function pointers
+ * @dd: the infinipath device
+ *
+ * This is global, and is called directly at init to set up the
+ * chip-specific function pointers for later use.
+ */
+void ipath_init_iba7220_funcs(struct ipath_devdata *dd)
+{
+ dd->ipath_f_intrsetup = ipath_7220_intconfig;
+ dd->ipath_f_bus = ipath_setup_7220_config;
+ dd->ipath_f_reset = ipath_setup_7220_reset;
+ dd->ipath_f_get_boardname = ipath_7220_boardname;
+ dd->ipath_f_init_hwerrors = ipath_7220_init_hwerrors;
+ dd->ipath_f_early_init = ipath_7220_early_init;
+ dd->ipath_f_handle_hwerrors = ipath_7220_handle_hwerrors;
+ dd->ipath_f_quiet_serdes = ipath_7220_quiet_serdes;
+ dd->ipath_f_bringup_serdes = ipath_7220_bringup_serdes;
+ dd->ipath_f_clear_tids = ipath_7220_clear_tids;
+ dd->ipath_f_put_tid = ipath_7220_put_tid;
+ dd->ipath_f_cleanup = ipath_setup_7220_cleanup;
+ dd->ipath_f_setextled = ipath_setup_7220_setextled;
+ dd->ipath_f_get_base_info = ipath_7220_get_base_info;
+ dd->ipath_f_free_irq = ipath_7220_free_irq;
+ dd->ipath_f_tidtemplate = ipath_7220_tidtemplate;
+ dd->ipath_f_intr_fallback = ipath_7220_intr_fallback;
+ dd->ipath_f_xgxs_reset = ipath_7220_xgxs_reset;
+ dd->ipath_f_get_ib_cfg = ipath_7220_get_ib_cfg;
+ dd->ipath_f_set_ib_cfg = ipath_7220_set_ib_cfg;
+ dd->ipath_f_config_jint = ipath_7220_config_jint;
+ dd->ipath_f_config_ports = ipath_7220_config_ports;
+ dd->ipath_f_read_counters = ipath_7220_read_counters;
+ dd->ipath_f_get_msgheader = ipath_7220_get_msgheader;
+ dd->ipath_f_ib_updown = ipath_7220_ib_updown;
+
+ /* initialize chip-specific variables */
+ ipath_init_7220_variables(dd);
+}
diff --git a/drivers/infiniband/hw/ipath/ipath_init_chip.c b/drivers/infiniband/hw/ipath/ipath_init_chip.c
index 4471674..27dd894 100644
--- a/drivers/infiniband/hw/ipath/ipath_init_chip.c
+++ b/drivers/infiniband/hw/ipath/ipath_init_chip.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2006, 2007 QLogic Corporation. All rights reserved.
+ * Copyright (c) 2006, 2007, 2008 QLogic Corporation. All rights reserved.
* Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved.
*
* This software is available to you under a choice of one of two
@@ -155,24 +155,13 @@
dd->ipath_control);
/*
- * Note that prior to try 14 or 15 of IB, the credit scaling
- * wasn't working, because it was swapped for writes with the
- * 1 bit default linkstate field
+ * set initial max size pkt IBC will send, including ICRC; it's the
+ * PIO buffer size in dwords, less 1; also see ipath_set_mtu()
*/
+ val = (dd->ipath_ibmaxlen >> 2) + 1;
+ ibc = val << dd->ibcc_mpl_shift;
- /* ignore pbc and align word */
- val = dd->ipath_piosize2k - 2 * sizeof(u32);
- /*
- * for ICRC, which we only send in diag test pkt mode, and we
- * don't need to worry about that for mtu
- */
- val += 1;
- /*
- * Set the IBC maxpktlength to the size of our pio buffers the
- * maxpktlength is in words. This is *not* the IB data MTU.
- */
- ibc = (val / sizeof(u32)) << INFINIPATH_IBCC_MAXPKTLEN_SHIFT;
- /* in KB */
+ /* flowcontrolwatermark is in units of KBytes */
ibc |= 0x5ULL << INFINIPATH_IBCC_FLOWCTRLWATERMARK_SHIFT;
/*
* How often flowctrl sent. More or less in usecs; balance against
@@ -191,10 +180,13 @@
/*
* Want to start out with both LINKCMD and LINKINITCMD in NOP
* (0 and 0). Don't put linkinitcmd in ipath_ibcctrl, want that
- * to stay a NOP
+ * to stay a NOP. Flag that we are disabled, for the (unlikely)
+ * case that some recovery path is trying to bring the link up
+ * before we are ready.
*/
ibc |= INFINIPATH_IBCC_LINKINITCMD_DISABLE <<
INFINIPATH_IBCC_LINKINITCMD_SHIFT;
+ dd->ipath_flags |= IPATH_IB_LINK_DISABLED;
ipath_cdbg(VERBOSE, "Writing 0x%llx to ibcctrl\n",
(unsigned long long) ibc);
ipath_write_kreg(dd, dd->ipath_kregs->kr_ibcctrl, ibc);
@@ -227,17 +219,26 @@
pd->port_cnt = 1;
/* The port 0 pkey table is used by the layer interface. */
pd->port_pkeys[0] = IPATH_DEFAULT_P_KEY;
+ pd->port_seq_cnt = 1;
}
return pd;
}
-static int init_chip_first(struct ipath_devdata *dd,
- struct ipath_portdata **pdp)
+static int init_chip_first(struct ipath_devdata *dd)
{
- struct ipath_portdata *pd = NULL;
+ struct ipath_portdata *pd;
int ret = 0;
u64 val;
+ spin_lock_init(&dd->ipath_kernel_tid_lock);
+ spin_lock_init(&dd->ipath_user_tid_lock);
+ spin_lock_init(&dd->ipath_sendctrl_lock);
+ spin_lock_init(&dd->ipath_sdma_lock);
+ spin_lock_init(&dd->ipath_gpio_lock);
+ spin_lock_init(&dd->ipath_eep_st_lock);
+ spin_lock_init(&dd->ipath_sdepb_lock);
+ mutex_init(&dd->ipath_eep_lock);
+
/*
* skip cfgports stuff because we are not allocating memory,
* and we don't want problems if the portcnt changed due to
@@ -250,12 +251,14 @@
else if (ipath_cfgports <= dd->ipath_portcnt) {
dd->ipath_cfgports = ipath_cfgports;
ipath_dbg("Configured to use %u ports out of %u in chip\n",
- dd->ipath_cfgports, dd->ipath_portcnt);
+ dd->ipath_cfgports, ipath_read_kreg32(dd,
+ dd->ipath_kregs->kr_portcnt));
} else {
dd->ipath_cfgports = dd->ipath_portcnt;
ipath_dbg("Tried to configured to use %u ports; chip "
"only supports %u\n", ipath_cfgports,
- dd->ipath_portcnt);
+ ipath_read_kreg32(dd,
+ dd->ipath_kregs->kr_portcnt));
}
/*
* Allocate full portcnt array, rather than just cfgports, because
@@ -295,12 +298,9 @@
val = ipath_read_kreg64(dd, dd->ipath_kregs->kr_sendpiosize);
dd->ipath_piosize2k = val & ~0U;
dd->ipath_piosize4k = val >> 32;
- /*
- * Note: the chips support a maximum MTU of 4096, but the driver
- * hasn't implemented this feature yet, so set the initial value
- * to 2048.
- */
- dd->ipath_ibmtu = 2048;
+ if (dd->ipath_piosize4k == 0 && ipath_mtu4096)
+ ipath_mtu4096 = 0; /* 4KB not supported by this chip */
+ dd->ipath_ibmtu = ipath_mtu4096 ? 4096 : 2048;
val = ipath_read_kreg64(dd, dd->ipath_kregs->kr_sendpiobufcnt);
dd->ipath_piobcnt2k = val & ~0U;
dd->ipath_piobcnt4k = val >> 32;
@@ -328,43 +328,46 @@
else ipath_dbg("%u 2k piobufs @ %p\n",
dd->ipath_piobcnt2k, dd->ipath_pio2kbase);
- spin_lock_init(&dd->ipath_tid_lock);
- spin_lock_init(&dd->ipath_sendctrl_lock);
- spin_lock_init(&dd->ipath_gpio_lock);
- spin_lock_init(&dd->ipath_eep_st_lock);
- mutex_init(&dd->ipath_eep_lock);
-
done:
- *pdp = pd;
return ret;
}
/**
* init_chip_reset - re-initialize after a reset, or enable
* @dd: the infinipath device
- * @pdp: output for port data
*
* sanity check at least some of the values after reset, and
* ensure no receive or transmit (explictly, in case reset
* failed
*/
-static int init_chip_reset(struct ipath_devdata *dd,
- struct ipath_portdata **pdp)
+static int init_chip_reset(struct ipath_devdata *dd)
{
u32 rtmp;
+ int i;
+ unsigned long flags;
- *pdp = dd->ipath_pd[0];
- /* ensure chip does no sends or receives while we re-initialize */
- dd->ipath_control = dd->ipath_sendctrl = dd->ipath_rcvctrl = 0U;
- ipath_write_kreg(dd, dd->ipath_kregs->kr_rcvctrl, dd->ipath_rcvctrl);
+ /*
+ * ensure chip does no sends or receives, tail updates, or
+ * pioavail updates while we re-initialize
+ */
+ dd->ipath_rcvctrl &= ~(1ULL << dd->ipath_r_tailupd_shift);
+ for (i = 0; i < dd->ipath_portcnt; i++) {
+ clear_bit(dd->ipath_r_portenable_shift + i,
+ &dd->ipath_rcvctrl);
+ clear_bit(dd->ipath_r_intravail_shift + i,
+ &dd->ipath_rcvctrl);
+ }
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_rcvctrl,
+ dd->ipath_rcvctrl);
+
+ spin_lock_irqsave(&dd->ipath_sendctrl_lock, flags);
+ dd->ipath_sendctrl = 0U; /* no sdma, etc */
ipath_write_kreg(dd, dd->ipath_kregs->kr_sendctrl, dd->ipath_sendctrl);
- ipath_write_kreg(dd, dd->ipath_kregs->kr_control, dd->ipath_control);
+ ipath_read_kreg64(dd, dd->ipath_kregs->kr_scratch);
+ spin_unlock_irqrestore(&dd->ipath_sendctrl_lock, flags);
- rtmp = ipath_read_kreg32(dd, dd->ipath_kregs->kr_portcnt);
- if (dd->ipath_portcnt != rtmp)
- dev_info(&dd->pcidev->dev, "portcnt was %u before "
- "reset, now %u, using original\n",
- dd->ipath_portcnt, rtmp);
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_control, 0ULL);
+
rtmp = ipath_read_kreg32(dd, dd->ipath_kregs->kr_rcvtidcnt);
if (rtmp != dd->ipath_rcvtidcnt)
dev_info(&dd->pcidev->dev, "tidcnt was %u before "
@@ -467,10 +470,10 @@
dd->ipath_physshadow = addrs;
}
-static void enable_chip(struct ipath_devdata *dd,
- struct ipath_portdata *pd, int reinit)
+static void enable_chip(struct ipath_devdata *dd, int reinit)
{
u32 val;
+ u64 rcvmask;
unsigned long flags;
int i;
@@ -484,17 +487,28 @@
/* Enable PIO send, and update of PIOavail regs to memory. */
dd->ipath_sendctrl = INFINIPATH_S_PIOENABLE |
INFINIPATH_S_PIOBUFAVAILUPD;
+
+ /*
+ * Set the PIO avail update threshold to host memory
+ * on chips that support it.
+ */
+ if (dd->ipath_pioupd_thresh)
+ dd->ipath_sendctrl |= dd->ipath_pioupd_thresh
+ << INFINIPATH_S_UPDTHRESH_SHIFT;
ipath_write_kreg(dd, dd->ipath_kregs->kr_sendctrl, dd->ipath_sendctrl);
ipath_read_kreg64(dd, dd->ipath_kregs->kr_scratch);
spin_unlock_irqrestore(&dd->ipath_sendctrl_lock, flags);
/*
- * enable port 0 receive, and receive interrupt. other ports
- * done as user opens and inits them.
+ * Enable kernel ports' receive and receive interrupt.
+ * Other ports done as user opens and inits them.
*/
- dd->ipath_rcvctrl = (1ULL << dd->ipath_r_tailupd_shift) |
- (1ULL << dd->ipath_r_portenable_shift) |
- (1ULL << dd->ipath_r_intravail_shift);
+ rcvmask = 1ULL;
+ dd->ipath_rcvctrl |= (rcvmask << dd->ipath_r_portenable_shift) |
+ (rcvmask << dd->ipath_r_intravail_shift);
+ if (!(dd->ipath_flags & IPATH_NODMA_RTAIL))
+ dd->ipath_rcvctrl |= (1ULL << dd->ipath_r_tailupd_shift);
+
ipath_write_kreg(dd, dd->ipath_kregs->kr_rcvctrl,
dd->ipath_rcvctrl);
@@ -505,16 +519,16 @@
dd->ipath_flags |= IPATH_INITTED;
/*
- * init our shadow copies of head from tail values, and write
- * head values to match.
+ * Init our shadow copies of head from tail values,
+ * and write head values to match.
*/
val = ipath_read_ureg32(dd, ur_rcvegrindextail, 0);
- (void)ipath_write_ureg(dd, ur_rcvegrindexhead, val, 0);
+ ipath_write_ureg(dd, ur_rcvegrindexhead, val, 0);
/* Initialize so we interrupt on next packet received */
- (void)ipath_write_ureg(dd, ur_rcvhdrhead,
- dd->ipath_rhdrhead_intr_off |
- dd->ipath_pd[0]->port_head, 0);
+ ipath_write_ureg(dd, ur_rcvhdrhead,
+ dd->ipath_rhdrhead_intr_off |
+ dd->ipath_pd[0]->port_head, 0);
/*
* by now pioavail updates to memory should have occurred, so
@@ -523,25 +537,26 @@
* initial values of the generation bit correct.
*/
for (i = 0; i < dd->ipath_pioavregs; i++) {
- __le64 val;
+ __le64 pioavail;
/*
* Chip Errata bug 6641; even and odd qwords>3 are swapped.
*/
if (i > 3 && (dd->ipath_flags & IPATH_SWAP_PIOBUFS))
- val = dd->ipath_pioavailregs_dma[i ^ 1];
+ pioavail = dd->ipath_pioavailregs_dma[i ^ 1];
else
- val = dd->ipath_pioavailregs_dma[i];
- dd->ipath_pioavailshadow[i] = le64_to_cpu(val);
+ pioavail = dd->ipath_pioavailregs_dma[i];
+ dd->ipath_pioavailshadow[i] = le64_to_cpu(pioavail) |
+ (~dd->ipath_pioavailkernel[i] <<
+ INFINIPATH_SENDPIOAVAIL_BUSY_SHIFT);
}
/* can get counters, stats, etc. */
dd->ipath_flags |= IPATH_PRESENT;
}
-static int init_housekeeping(struct ipath_devdata *dd,
- struct ipath_portdata **pdp, int reinit)
+static int init_housekeeping(struct ipath_devdata *dd, int reinit)
{
- char boardn[32];
+ char boardn[40];
int ret = 0;
/*
@@ -600,18 +615,9 @@
ipath_write_kreg(dd, dd->ipath_kregs->kr_errorclear,
INFINIPATH_E_RESET);
- if (reinit)
- ret = init_chip_reset(dd, pdp);
- else
- ret = init_chip_first(dd, pdp);
-
- if (ret)
- goto done;
-
- ipath_cdbg(VERBOSE, "Revision %llx (PCI %x), %u ports, %u tids, "
- "%u egrtids\n", (unsigned long long) dd->ipath_revision,
- dd->ipath_pcirev, dd->ipath_portcnt, dd->ipath_rcvtidcnt,
- dd->ipath_rcvegrcnt);
+ ipath_cdbg(VERBOSE, "Revision %llx (PCI %x)\n",
+ (unsigned long long) dd->ipath_revision,
+ dd->ipath_pcirev);
if (((dd->ipath_revision >> INFINIPATH_R_SOFTWARE_SHIFT) &
INFINIPATH_R_SOFTWARE_MASK) != IPATH_CHIP_SWVERSION) {
@@ -650,10 +656,39 @@
ipath_dbg("%s", dd->ipath_boardversion);
+ if (ret)
+ goto done;
+
+ if (reinit)
+ ret = init_chip_reset(dd);
+ else
+ ret = init_chip_first(dd);
+
done:
return ret;
}
+static void verify_interrupt(unsigned long opaque)
+{
+ struct ipath_devdata *dd = (struct ipath_devdata *) opaque;
+
+ if (!dd)
+ return; /* being torn down */
+
+ /*
+ * If we don't have any interrupts, let the user know and
+ * don't bother checking again.
+ */
+ if (dd->ipath_int_counter == 0) {
+ if (!dd->ipath_f_intr_fallback(dd))
+ dev_err(&dd->pcidev->dev, "No interrupts detected, "
+ "not usable.\n");
+ else /* re-arm the timer to see if fallback works */
+ mod_timer(&dd->ipath_intrchk_timer, jiffies + HZ/2);
+ } else
+ ipath_cdbg(VERBOSE, "%u interrupts at timer check\n",
+ dd->ipath_int_counter);
+}
/**
* ipath_init_chip - do the actual initialization sequence on the chip
@@ -676,11 +711,11 @@
u32 val32, kpiobufs;
u32 piobufs, uports;
u64 val;
- struct ipath_portdata *pd = NULL; /* keep gcc4 happy */
+ struct ipath_portdata *pd;
gfp_t gfp_flags = GFP_USER | __GFP_COMP;
unsigned long flags;
- ret = init_housekeeping(dd, &pd, reinit);
+ ret = init_housekeeping(dd, reinit);
if (ret)
goto done;
@@ -700,7 +735,7 @@
* we now use routines that backend onto __get_free_pages, the
* rest would be wasted.
*/
- dd->ipath_rcvhdrcnt = dd->ipath_rcvegrcnt;
+ dd->ipath_rcvhdrcnt = max(dd->ipath_p0_rcvegrcnt, dd->ipath_rcvegrcnt);
ipath_write_kreg(dd, dd->ipath_kregs->kr_rcvhdrcnt,
dd->ipath_rcvhdrcnt);
@@ -731,8 +766,8 @@
if (kpiobufs + (uports * IPATH_MIN_USER_PORT_BUFCNT) > piobufs) {
int i = (int) piobufs -
(int) (uports * IPATH_MIN_USER_PORT_BUFCNT);
- if (i < 0)
- i = 0;
+ if (i < 1)
+ i = 1;
dev_info(&dd->pcidev->dev, "Allocating %d PIO bufs of "
"%d for kernel leaves too few for %d user ports "
"(%d each); using %u\n", kpiobufs,
@@ -751,24 +786,40 @@
ipath_dbg("allocating %u pbufs/port leaves %u unused, "
"add to kernel\n", dd->ipath_pbufsport, val32);
dd->ipath_lastport_piobuf -= val32;
+ kpiobufs += val32;
ipath_dbg("%u pbufs/port leaves %u unused, add to kernel\n",
dd->ipath_pbufsport, val32);
}
- dd->ipath_lastpioindex = dd->ipath_lastport_piobuf;
+ dd->ipath_lastpioindex = 0;
+ dd->ipath_lastpioindexl = dd->ipath_piobcnt2k;
+ ipath_chg_pioavailkernel(dd, 0, piobufs, 1);
ipath_cdbg(VERBOSE, "%d PIO bufs for kernel out of %d total %u "
"each for %u user ports\n", kpiobufs,
piobufs, dd->ipath_pbufsport, uports);
+ if (dd->ipath_pioupd_thresh) {
+ if (dd->ipath_pbufsport < dd->ipath_pioupd_thresh)
+ dd->ipath_pioupd_thresh = dd->ipath_pbufsport;
+ if (kpiobufs < dd->ipath_pioupd_thresh)
+ dd->ipath_pioupd_thresh = kpiobufs;
+ }
- dd->ipath_f_early_init(dd);
+ ret = dd->ipath_f_early_init(dd);
+ if (ret) {
+ ipath_dev_err(dd, "Early initialization failure\n");
+ goto done;
+ }
+
/*
- * cancel any possible active sends from early driver load.
+ * Cancel any possible active sends from early driver load.
* Follows early_init because some chips have to initialize
* PIO buffers in early_init to avoid false parity errors.
*/
ipath_cancel_sends(dd, 0);
- /* early_init sets rcvhdrentsize and rcvhdrsize, so this must be
- * done after early_init */
+ /*
+ * Early_init sets rcvhdrentsize and rcvhdrsize, so this must be
+ * done after early_init.
+ */
dd->ipath_hdrqlast =
dd->ipath_rcvhdrentsize * (dd->ipath_rcvhdrcnt - 1);
ipath_write_kreg(dd, dd->ipath_kregs->kr_rcvhdrentsize,
@@ -783,8 +834,8 @@
goto done;
}
- (void)ipath_write_kreg(dd, dd->ipath_kregs->kr_sendpioavailaddr,
- dd->ipath_pioavailregs_phys);
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_sendpioavailaddr,
+ dd->ipath_pioavailregs_phys);
/*
* this is to detect s/w errors, which the h/w works around by
* ignoring the low 6 bits of address, if it wasn't aligned.
@@ -843,58 +894,65 @@
/* enable errors that are masked, at least this first time. */
ipath_write_kreg(dd, dd->ipath_kregs->kr_errormask,
~dd->ipath_maskederrs);
- dd->ipath_errormask = ipath_read_kreg64(dd,
- dd->ipath_kregs->kr_errormask);
+ dd->ipath_maskederrs = 0; /* don't re-enable ignored in timer */
+ dd->ipath_errormask =
+ ipath_read_kreg64(dd, dd->ipath_kregs->kr_errormask);
/* clear any interrupts up to this point (ints still not enabled) */
ipath_write_kreg(dd, dd->ipath_kregs->kr_intclear, -1LL);
+ dd->ipath_f_tidtemplate(dd);
+
/*
* Set up the port 0 (kernel) rcvhdr q and egr TIDs. If doing
* re-init, the simplest way to handle this is to free
* existing, and re-allocate.
* Need to re-create rest of port 0 portdata as well.
*/
+ pd = dd->ipath_pd[0];
if (reinit) {
- /* Alloc and init new ipath_portdata for port0,
+ struct ipath_portdata *npd;
+
+ /*
+ * Alloc and init new ipath_portdata for port0,
* Then free old pd. Could lead to fragmentation, but also
* makes later support for hot-swap easier.
*/
- struct ipath_portdata *npd;
npd = create_portdata0(dd);
if (npd) {
ipath_free_pddata(dd, pd);
- dd->ipath_pd[0] = pd = npd;
+ dd->ipath_pd[0] = npd;
+ pd = npd;
} else {
- ipath_dev_err(dd, "Unable to allocate portdata for"
- " port 0, failing\n");
+ ipath_dev_err(dd, "Unable to allocate portdata"
+ " for port 0, failing\n");
ret = -ENOMEM;
goto done;
}
}
- dd->ipath_f_tidtemplate(dd);
ret = ipath_create_rcvhdrq(dd, pd);
- if (!ret) {
- dd->ipath_hdrqtailptr =
- (volatile __le64 *)pd->port_rcvhdrtail_kvaddr;
+ if (!ret)
ret = create_port0_egr(dd);
- }
- if (ret)
- ipath_dev_err(dd, "failed to allocate port 0 (kernel) "
+ if (ret) {
+ ipath_dev_err(dd, "failed to allocate kernel port's "
"rcvhdrq and/or egr bufs\n");
+ goto done;
+ }
else
- enable_chip(dd, pd, reinit);
+ enable_chip(dd, reinit);
-
- if (!ret && !reinit) {
- /* used when we close a port, for DMA already in flight at close */
+ if (!reinit) {
+ /*
+ * Used when we close a port, for DMA already in flight
+ * at close.
+ */
dd->ipath_dummy_hdrq = dma_alloc_coherent(
- &dd->pcidev->dev, pd->port_rcvhdrq_size,
+ &dd->pcidev->dev, dd->ipath_pd[0]->port_rcvhdrq_size,
&dd->ipath_dummy_hdrq_phys,
gfp_flags);
- if (!dd->ipath_dummy_hdrq ) {
+ if (!dd->ipath_dummy_hdrq) {
dev_info(&dd->pcidev->dev,
"Couldn't allocate 0x%lx bytes for dummy hdrq\n",
- pd->port_rcvhdrq_size);
+ dd->ipath_pd[0]->port_rcvhdrq_size);
/* fallback to just 0'ing */
dd->ipath_dummy_hdrq_phys = 0UL;
}
@@ -906,7 +964,7 @@
*/
ipath_write_kreg(dd, dd->ipath_kregs->kr_intclear, 0ULL);
- if(!dd->ipath_stats_timer_active) {
+ if (!dd->ipath_stats_timer_active) {
/*
* first init, or after an admin disable/enable
* set up stats retrieval timer, even if we had errors
@@ -922,6 +980,16 @@
dd->ipath_stats_timer_active = 1;
}
+ /* Set up SendDMA if chip supports it */
+ if (dd->ipath_flags & IPATH_HAS_SEND_DMA)
+ ret = setup_sdma(dd);
+
+ /* Set up HoL state */
+ init_timer(&dd->ipath_hol_timer);
+ dd->ipath_hol_timer.function = ipath_hol_event;
+ dd->ipath_hol_timer.data = (unsigned long)dd;
+ dd->ipath_hol_state = IPATH_HOL_UP;
+
done:
if (!ret) {
*dd->ipath_statusp |= IPATH_STATUS_CHIP_PRESENT;
@@ -934,6 +1002,20 @@
0ULL);
/* chip is usable; mark it as initialized */
*dd->ipath_statusp |= IPATH_STATUS_INITTED;
+
+ /*
+ * setup to verify we get an interrupt, and fallback
+ * to an alternate if necessary and possible
+ */
+ if (!reinit) {
+ init_timer(&dd->ipath_intrchk_timer);
+ dd->ipath_intrchk_timer.function =
+ verify_interrupt;
+ dd->ipath_intrchk_timer.data =
+ (unsigned long) dd;
+ }
+ dd->ipath_intrchk_timer.expires = jiffies + HZ/2;
+ add_timer(&dd->ipath_intrchk_timer);
} else
ipath_dev_err(dd, "No interrupts enabled, couldn't "
"setup interrupt address\n");
diff --git a/drivers/infiniband/hw/ipath/ipath_intr.c b/drivers/infiniband/hw/ipath/ipath_intr.c
index 92e58c9..1b58f47 100644
--- a/drivers/infiniband/hw/ipath/ipath_intr.c
+++ b/drivers/infiniband/hw/ipath/ipath_intr.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2006, 2007 QLogic Corporation. All rights reserved.
+ * Copyright (c) 2006, 2007, 2008 QLogic Corporation. All rights reserved.
* Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved.
*
* This software is available to you under a choice of one of two
@@ -32,6 +32,7 @@
*/
#include <linux/pci.h>
+#include <linux/delay.h>
#include "ipath_kernel.h"
#include "ipath_verbs.h"
@@ -59,9 +60,11 @@
dev_info(&dd->pcidev->dev,
"Rewrite PIO buffer %u, to recover from parity error\n",
pnum);
- *pbuf = dwcnt+1; /* no flush required, since already in freeze */
- while(--dwcnt)
- *pbuf++ = 0;
+
+ /* no flush required, since already in freeze */
+ writel(dwcnt + 1, pbuf);
+ while (--dwcnt)
+ writel(0, pbuf++);
}
/*
@@ -70,7 +73,7 @@
* If rewrite is true, and bits are set in the sendbufferror registers,
* we'll write to the buffer, for error recovery on parity errors.
*/
-static void ipath_disarm_senderrbufs(struct ipath_devdata *dd, int rewrite)
+void ipath_disarm_senderrbufs(struct ipath_devdata *dd, int rewrite)
{
u32 piobcnt;
unsigned long sbuf[4];
@@ -84,12 +87,14 @@
dd, dd->ipath_kregs->kr_sendbuffererror);
sbuf[1] = ipath_read_kreg64(
dd, dd->ipath_kregs->kr_sendbuffererror + 1);
- if (piobcnt > 128) {
+ if (piobcnt > 128)
sbuf[2] = ipath_read_kreg64(
dd, dd->ipath_kregs->kr_sendbuffererror + 2);
+ if (piobcnt > 192)
sbuf[3] = ipath_read_kreg64(
dd, dd->ipath_kregs->kr_sendbuffererror + 3);
- }
+ else
+ sbuf[3] = 0;
if (sbuf[0] || sbuf[1] || (piobcnt > 128 && (sbuf[2] || sbuf[3]))) {
int i;
@@ -254,24 +259,20 @@
}
/* return the strings for the most common link states */
-static char *ib_linkstate(u32 linkstate)
+static char *ib_linkstate(struct ipath_devdata *dd, u64 ibcs)
{
char *ret;
+ u32 state;
- switch (linkstate) {
- case IPATH_IBSTATE_INIT:
+ state = ipath_ib_state(dd, ibcs);
+ if (state == dd->ib_init)
ret = "Init";
- break;
- case IPATH_IBSTATE_ARM:
+ else if (state == dd->ib_arm)
ret = "Arm";
- break;
- case IPATH_IBSTATE_ACTIVE:
+ else if (state == dd->ib_active)
ret = "Active";
- break;
- default:
+ else
ret = "Down";
- }
-
return ret;
}
@@ -286,103 +287,172 @@
}
static void handle_e_ibstatuschanged(struct ipath_devdata *dd,
- ipath_err_t errs, int noprint)
+ ipath_err_t errs)
{
- u64 val;
- u32 ltstate, lstate;
+ u32 ltstate, lstate, ibstate, lastlstate;
+ u32 init = dd->ib_init;
+ u32 arm = dd->ib_arm;
+ u32 active = dd->ib_active;
+ const u64 ibcs = ipath_read_kreg64(dd, dd->ipath_kregs->kr_ibcstatus);
+
+ lstate = ipath_ib_linkstate(dd, ibcs); /* linkstate */
+ ibstate = ipath_ib_state(dd, ibcs);
+ /* linkstate at last interrupt */
+ lastlstate = ipath_ib_linkstate(dd, dd->ipath_lastibcstat);
+ ltstate = ipath_ib_linktrstate(dd, ibcs); /* linktrainingtate */
/*
- * even if diags are enabled, we want to notice LINKINIT, etc.
- * We just don't want to change the LED state, or
- * dd->ipath_kregs->kr_ibcctrl
+ * Since going into a recovery state causes the link state to go
+ * down and since recovery is transitory, it is better if we "miss"
+ * ever seeing the link training state go into recovery (i.e.,
+ * ignore this transition for link state special handling purposes)
+ * without even updating ipath_lastibcstat.
*/
- val = ipath_read_kreg64(dd, dd->ipath_kregs->kr_ibcstatus);
- lstate = val & IPATH_IBSTATE_MASK;
+ if ((ltstate == INFINIPATH_IBCS_LT_STATE_RECOVERRETRAIN) ||
+ (ltstate == INFINIPATH_IBCS_LT_STATE_RECOVERWAITRMT) ||
+ (ltstate == INFINIPATH_IBCS_LT_STATE_RECOVERIDLE))
+ goto done;
/*
- * this is confusing enough when it happens that I want to always put it
- * on the console and in the logs. If it was a requested state change,
- * we'll have already cleared the flags, so we won't print this warning
+ * if linkstate transitions into INIT from any of the various down
+ * states, or if it transitions from any of the up (INIT or better)
+ * states into any of the down states (except link recovery), then
+ * call the chip-specific code to take appropriate actions.
*/
- if ((lstate != IPATH_IBSTATE_ARM && lstate != IPATH_IBSTATE_ACTIVE)
- && (dd->ipath_flags & (IPATH_LINKARMED | IPATH_LINKACTIVE))) {
- dev_info(&dd->pcidev->dev, "Link state changed from %s to %s\n",
- (dd->ipath_flags & IPATH_LINKARMED) ? "ARM" : "ACTIVE",
- ib_linkstate(lstate));
- /*
- * Flush all queued sends when link went to DOWN or INIT,
- * to be sure that they don't block SMA and other MAD packets
- */
- ipath_cancel_sends(dd, 1);
- }
- else if (lstate == IPATH_IBSTATE_INIT || lstate == IPATH_IBSTATE_ARM ||
- lstate == IPATH_IBSTATE_ACTIVE) {
- /*
- * only print at SMA if there is a change, debug if not
- * (sometimes we want to know that, usually not).
- */
- if (lstate == ((unsigned) dd->ipath_lastibcstat
- & IPATH_IBSTATE_MASK)) {
- ipath_dbg("Status change intr but no change (%s)\n",
- ib_linkstate(lstate));
+ if (lstate >= INFINIPATH_IBCS_L_STATE_INIT &&
+ lastlstate == INFINIPATH_IBCS_L_STATE_DOWN) {
+ /* transitioned to UP */
+ if (dd->ipath_f_ib_updown(dd, 1, ibcs)) {
+ /* link came up, so we must no longer be disabled */
+ dd->ipath_flags &= ~IPATH_IB_LINK_DISABLED;
+ ipath_cdbg(LINKVERB, "LinkUp handled, skipped\n");
+ goto skip_ibchange; /* chip-code handled */
}
- else
- ipath_cdbg(VERBOSE, "Unit %u link state %s, last "
- "was %s\n", dd->ipath_unit,
- ib_linkstate(lstate),
- ib_linkstate((unsigned)
- dd->ipath_lastibcstat
- & IPATH_IBSTATE_MASK));
+ } else if ((lastlstate >= INFINIPATH_IBCS_L_STATE_INIT ||
+ (dd->ipath_flags & IPATH_IB_FORCE_NOTIFY)) &&
+ ltstate <= INFINIPATH_IBCS_LT_STATE_CFGWAITRMT &&
+ ltstate != INFINIPATH_IBCS_LT_STATE_LINKUP) {
+ int handled;
+ handled = dd->ipath_f_ib_updown(dd, 0, ibcs);
+ dd->ipath_flags &= ~IPATH_IB_FORCE_NOTIFY;
+ if (handled) {
+ ipath_cdbg(LINKVERB, "LinkDown handled, skipped\n");
+ goto skip_ibchange; /* chip-code handled */
+ }
}
- else {
- lstate = dd->ipath_lastibcstat & IPATH_IBSTATE_MASK;
- if (lstate == IPATH_IBSTATE_INIT ||
- lstate == IPATH_IBSTATE_ARM ||
- lstate == IPATH_IBSTATE_ACTIVE)
- ipath_cdbg(VERBOSE, "Unit %u link state down"
- " (state 0x%x), from %s\n",
- dd->ipath_unit,
- (u32)val & IPATH_IBSTATE_MASK,
- ib_linkstate(lstate));
- else
- ipath_cdbg(VERBOSE, "Unit %u link state changed "
- "to 0x%x from down (%x)\n",
- dd->ipath_unit, (u32) val, lstate);
+
+ /*
+ * Significant enough to always print and get into logs, if it was
+ * unexpected. If it was a requested state change, we'll have
+ * already cleared the flags, so we won't print this warning
+ */
+ if ((ibstate != arm && ibstate != active) &&
+ (dd->ipath_flags & (IPATH_LINKARMED | IPATH_LINKACTIVE))) {
+ dev_info(&dd->pcidev->dev, "Link state changed from %s "
+ "to %s\n", (dd->ipath_flags & IPATH_LINKARMED) ?
+ "ARM" : "ACTIVE", ib_linkstate(dd, ibcs));
}
- ltstate = (val >> INFINIPATH_IBCS_LINKTRAININGSTATE_SHIFT) &
- INFINIPATH_IBCS_LINKTRAININGSTATE_MASK;
- lstate = (val >> INFINIPATH_IBCS_LINKSTATE_SHIFT) &
- INFINIPATH_IBCS_LINKSTATE_MASK;
if (ltstate == INFINIPATH_IBCS_LT_STATE_POLLACTIVE ||
ltstate == INFINIPATH_IBCS_LT_STATE_POLLQUIET) {
- u32 last_ltstate;
-
+ u32 lastlts;
+ lastlts = ipath_ib_linktrstate(dd, dd->ipath_lastibcstat);
/*
- * Ignore cycling back and forth from Polling.Active
- * to Polling.Quiet while waiting for the other end of
- * the link to come up. We will cycle back and forth
- * between them if no cable is plugged in,
- * the other device is powered off or disabled, etc.
+ * Ignore cycling back and forth from Polling.Active to
+ * Polling.Quiet while waiting for the other end of the link
+ * to come up, except to try and decide if we are connected
+ * to a live IB device or not. We will cycle back and
+ * forth between them if no cable is plugged in, the other
+ * device is powered off or disabled, etc.
*/
- last_ltstate = (dd->ipath_lastibcstat >>
- INFINIPATH_IBCS_LINKTRAININGSTATE_SHIFT)
- & INFINIPATH_IBCS_LINKTRAININGSTATE_MASK;
- if (last_ltstate == INFINIPATH_IBCS_LT_STATE_POLLACTIVE
- || last_ltstate ==
- INFINIPATH_IBCS_LT_STATE_POLLQUIET) {
- if (dd->ipath_ibpollcnt > 40) {
+ if (lastlts == INFINIPATH_IBCS_LT_STATE_POLLACTIVE ||
+ lastlts == INFINIPATH_IBCS_LT_STATE_POLLQUIET) {
+ if (!(dd->ipath_flags & IPATH_IB_AUTONEG_INPROG) &&
+ (++dd->ipath_ibpollcnt == 40)) {
dd->ipath_flags |= IPATH_NOCABLE;
*dd->ipath_statusp |=
IPATH_STATUS_IB_NOCABLE;
- } else
- dd->ipath_ibpollcnt++;
+ ipath_cdbg(LINKVERB, "Set NOCABLE\n");
+ }
+ ipath_cdbg(LINKVERB, "POLL change to %s (%x)\n",
+ ipath_ibcstatus_str[ltstate], ibstate);
goto skip_ibchange;
}
}
- dd->ipath_ibpollcnt = 0; /* some state other than 2 or 3 */
+
+ dd->ipath_ibpollcnt = 0; /* not poll*, now */
ipath_stats.sps_iblink++;
- if (ltstate != INFINIPATH_IBCS_LT_STATE_LINKUP) {
+
+ if (ibstate != init && dd->ipath_lastlinkrecov && ipath_linkrecovery) {
+ u64 linkrecov;
+ linkrecov = ipath_snap_cntr(dd,
+ dd->ipath_cregs->cr_iblinkerrrecovcnt);
+ if (linkrecov != dd->ipath_lastlinkrecov) {
+ ipath_dbg("IB linkrecov up %Lx (%s %s) recov %Lu\n",
+ ibcs, ib_linkstate(dd, ibcs),
+ ipath_ibcstatus_str[ltstate],
+ linkrecov);
+ /* and no more until active again */
+ dd->ipath_lastlinkrecov = 0;
+ ipath_set_linkstate(dd, IPATH_IB_LINKDOWN);
+ goto skip_ibchange;
+ }
+ }
+
+ if (ibstate == init || ibstate == arm || ibstate == active) {
+ *dd->ipath_statusp &= ~IPATH_STATUS_IB_NOCABLE;
+ if (ibstate == init || ibstate == arm) {
+ *dd->ipath_statusp &= ~IPATH_STATUS_IB_READY;
+ if (dd->ipath_flags & IPATH_LINKACTIVE)
+ signal_ib_event(dd, IB_EVENT_PORT_ERR);
+ }
+ if (ibstate == arm) {
+ dd->ipath_flags |= IPATH_LINKARMED;
+ dd->ipath_flags &= ~(IPATH_LINKUNK |
+ IPATH_LINKINIT | IPATH_LINKDOWN |
+ IPATH_LINKACTIVE | IPATH_NOCABLE);
+ ipath_hol_down(dd);
+ } else if (ibstate == init) {
+ /*
+ * set INIT and DOWN. Down is checked by
+ * most of the other code, but INIT is
+ * useful to know in a few places.
+ */
+ dd->ipath_flags |= IPATH_LINKINIT |
+ IPATH_LINKDOWN;
+ dd->ipath_flags &= ~(IPATH_LINKUNK |
+ IPATH_LINKARMED | IPATH_LINKACTIVE |
+ IPATH_NOCABLE);
+ ipath_hol_down(dd);
+ } else { /* active */
+ dd->ipath_lastlinkrecov = ipath_snap_cntr(dd,
+ dd->ipath_cregs->cr_iblinkerrrecovcnt);
+ *dd->ipath_statusp |=
+ IPATH_STATUS_IB_READY | IPATH_STATUS_IB_CONF;
+ dd->ipath_flags |= IPATH_LINKACTIVE;
+ dd->ipath_flags &= ~(IPATH_LINKUNK | IPATH_LINKINIT
+ | IPATH_LINKDOWN | IPATH_LINKARMED |
+ IPATH_NOCABLE);
+ if (dd->ipath_flags & IPATH_HAS_SEND_DMA)
+ ipath_restart_sdma(dd);
+ signal_ib_event(dd, IB_EVENT_PORT_ACTIVE);
+ /* LED active not handled in chip _f_updown */
+ dd->ipath_f_setextled(dd, lstate, ltstate);
+ ipath_hol_up(dd);
+ }
+
+ /*
+ * print after we've already done the work, so as not to
+ * delay the state changes and notifications, for debugging
+ */
+ if (lstate == lastlstate)
+ ipath_cdbg(LINKVERB, "Unchanged from last: %s "
+ "(%x)\n", ib_linkstate(dd, ibcs), ibstate);
+ else
+ ipath_cdbg(VERBOSE, "Unit %u: link up to %s %s (%x)\n",
+ dd->ipath_unit, ib_linkstate(dd, ibcs),
+ ipath_ibcstatus_str[ltstate], ibstate);
+ } else { /* down */
if (dd->ipath_flags & IPATH_LINKACTIVE)
signal_ib_event(dd, IB_EVENT_PORT_ERR);
dd->ipath_flags |= IPATH_LINKDOWN;
@@ -391,69 +461,28 @@
IPATH_LINKARMED);
*dd->ipath_statusp &= ~IPATH_STATUS_IB_READY;
dd->ipath_lli_counter = 0;
- if (!noprint) {
- if (((dd->ipath_lastibcstat >>
- INFINIPATH_IBCS_LINKSTATE_SHIFT) &
- INFINIPATH_IBCS_LINKSTATE_MASK)
- == INFINIPATH_IBCS_L_STATE_ACTIVE)
- /* if from up to down be more vocal */
- ipath_cdbg(VERBOSE,
- "Unit %u link now down (%s)\n",
- dd->ipath_unit,
- ipath_ibcstatus_str[ltstate]);
- else
- ipath_cdbg(VERBOSE, "Unit %u link is "
- "down (%s)\n", dd->ipath_unit,
- ipath_ibcstatus_str[ltstate]);
- }
- dd->ipath_f_setextled(dd, lstate, ltstate);
- } else if ((val & IPATH_IBSTATE_MASK) == IPATH_IBSTATE_ACTIVE) {
- dd->ipath_flags |= IPATH_LINKACTIVE;
- dd->ipath_flags &=
- ~(IPATH_LINKUNK | IPATH_LINKINIT | IPATH_LINKDOWN |
- IPATH_LINKARMED | IPATH_NOCABLE);
- *dd->ipath_statusp &= ~IPATH_STATUS_IB_NOCABLE;
- *dd->ipath_statusp |=
- IPATH_STATUS_IB_READY | IPATH_STATUS_IB_CONF;
- dd->ipath_f_setextled(dd, lstate, ltstate);
- signal_ib_event(dd, IB_EVENT_PORT_ACTIVE);
- } else if ((val & IPATH_IBSTATE_MASK) == IPATH_IBSTATE_INIT) {
- if (dd->ipath_flags & IPATH_LINKACTIVE)
- signal_ib_event(dd, IB_EVENT_PORT_ERR);
- /*
- * set INIT and DOWN. Down is checked by most of the other
- * code, but INIT is useful to know in a few places.
- */
- dd->ipath_flags |= IPATH_LINKINIT | IPATH_LINKDOWN;
- dd->ipath_flags &=
- ~(IPATH_LINKUNK | IPATH_LINKACTIVE | IPATH_LINKARMED
- | IPATH_NOCABLE);
- *dd->ipath_statusp &= ~(IPATH_STATUS_IB_NOCABLE
- | IPATH_STATUS_IB_READY);
- dd->ipath_f_setextled(dd, lstate, ltstate);
- } else if ((val & IPATH_IBSTATE_MASK) == IPATH_IBSTATE_ARM) {
- if (dd->ipath_flags & IPATH_LINKACTIVE)
- signal_ib_event(dd, IB_EVENT_PORT_ERR);
- dd->ipath_flags |= IPATH_LINKARMED;
- dd->ipath_flags &=
- ~(IPATH_LINKUNK | IPATH_LINKDOWN | IPATH_LINKINIT |
- IPATH_LINKACTIVE | IPATH_NOCABLE);
- *dd->ipath_statusp &= ~(IPATH_STATUS_IB_NOCABLE
- | IPATH_STATUS_IB_READY);
- dd->ipath_f_setextled(dd, lstate, ltstate);
- } else {
- if (!noprint)
- ipath_dbg("IBstatuschange unit %u: %s (%x)\n",
- dd->ipath_unit,
- ipath_ibcstatus_str[ltstate], ltstate);
+ if (lastlstate != INFINIPATH_IBCS_L_STATE_DOWN)
+ ipath_cdbg(VERBOSE, "Unit %u link state down "
+ "(state 0x%x), from %s\n",
+ dd->ipath_unit, lstate,
+ ib_linkstate(dd, dd->ipath_lastibcstat));
+ else
+ ipath_cdbg(LINKVERB, "Unit %u link state changed "
+ "to %s (0x%x) from down (%x)\n",
+ dd->ipath_unit,
+ ipath_ibcstatus_str[ltstate],
+ ibstate, lastlstate);
}
+
skip_ibchange:
- dd->ipath_lastibcstat = val;
+ dd->ipath_lastibcstat = ibcs;
+done:
+ return;
}
static void handle_supp_msgs(struct ipath_devdata *dd,
- unsigned supp_msgs, char *msg, int msgsz)
+ unsigned supp_msgs, char *msg, u32 msgsz)
{
/*
* Print the message unless it's ibc status change only, which
@@ -461,12 +490,19 @@
*/
if (dd->ipath_lasterror & ~INFINIPATH_E_IBSTATUSCHANGED) {
int iserr;
- iserr = ipath_decode_err(msg, msgsz,
+ ipath_err_t mask;
+ iserr = ipath_decode_err(dd, msg, msgsz,
dd->ipath_lasterror &
~INFINIPATH_E_IBSTATUSCHANGED);
- if (dd->ipath_lasterror &
- ~(INFINIPATH_E_RRCVEGRFULL |
- INFINIPATH_E_RRCVHDRFULL | INFINIPATH_E_PKTERRS))
+
+ mask = INFINIPATH_E_RRCVEGRFULL | INFINIPATH_E_RRCVHDRFULL |
+ INFINIPATH_E_PKTERRS | INFINIPATH_E_SDMADISABLED;
+
+ /* if we're in debug, then don't mask SDMADISABLED msgs */
+ if (ipath_debug & __IPATH_DBG)
+ mask &= ~INFINIPATH_E_SDMADISABLED;
+
+ if (dd->ipath_lasterror & ~mask)
ipath_dev_err(dd, "Suppressed %u messages for "
"fast-repeating errors (%s) (%llx)\n",
supp_msgs, msg,
@@ -493,7 +529,7 @@
static unsigned handle_frequent_errors(struct ipath_devdata *dd,
ipath_err_t errs, char *msg,
- int msgsz, int *noprint)
+ u32 msgsz, int *noprint)
{
unsigned long nc;
static unsigned long nextmsg_time;
@@ -523,19 +559,125 @@
return supp_msgs;
}
+static void handle_sdma_errors(struct ipath_devdata *dd, ipath_err_t errs)
+{
+ unsigned long flags;
+ int expected;
+
+ if (ipath_debug & __IPATH_DBG) {
+ char msg[128];
+ ipath_decode_err(dd, msg, sizeof msg, errs &
+ INFINIPATH_E_SDMAERRS);
+ ipath_dbg("errors %lx (%s)\n", (unsigned long)errs, msg);
+ }
+ if (ipath_debug & __IPATH_VERBDBG) {
+ unsigned long tl, hd, status, lengen;
+ tl = ipath_read_kreg64(dd, dd->ipath_kregs->kr_senddmatail);
+ hd = ipath_read_kreg64(dd, dd->ipath_kregs->kr_senddmahead);
+ status = ipath_read_kreg64(dd
+ , dd->ipath_kregs->kr_senddmastatus);
+ lengen = ipath_read_kreg64(dd,
+ dd->ipath_kregs->kr_senddmalengen);
+ ipath_cdbg(VERBOSE, "sdma tl 0x%lx hd 0x%lx status 0x%lx "
+ "lengen 0x%lx\n", tl, hd, status, lengen);
+ }
+
+ spin_lock_irqsave(&dd->ipath_sdma_lock, flags);
+ __set_bit(IPATH_SDMA_DISABLED, &dd->ipath_sdma_status);
+ expected = test_bit(IPATH_SDMA_ABORTING, &dd->ipath_sdma_status);
+ spin_unlock_irqrestore(&dd->ipath_sdma_lock, flags);
+ if (!expected)
+ ipath_cancel_sends(dd, 1);
+}
+
+static void handle_sdma_intr(struct ipath_devdata *dd, u64 istat)
+{
+ unsigned long flags;
+ int expected;
+
+ if ((istat & INFINIPATH_I_SDMAINT) &&
+ !test_bit(IPATH_SDMA_SHUTDOWN, &dd->ipath_sdma_status))
+ ipath_sdma_intr(dd);
+
+ if (istat & INFINIPATH_I_SDMADISABLED) {
+ expected = test_bit(IPATH_SDMA_ABORTING,
+ &dd->ipath_sdma_status);
+ ipath_dbg("%s SDmaDisabled intr\n",
+ expected ? "expected" : "unexpected");
+ spin_lock_irqsave(&dd->ipath_sdma_lock, flags);
+ __set_bit(IPATH_SDMA_DISABLED, &dd->ipath_sdma_status);
+ spin_unlock_irqrestore(&dd->ipath_sdma_lock, flags);
+ if (!expected)
+ ipath_cancel_sends(dd, 1);
+ if (!test_bit(IPATH_SDMA_SHUTDOWN, &dd->ipath_sdma_status))
+ tasklet_hi_schedule(&dd->ipath_sdma_abort_task);
+ }
+}
+
+static int handle_hdrq_full(struct ipath_devdata *dd)
+{
+ int chkerrpkts = 0;
+ u32 hd, tl;
+ u32 i;
+
+ ipath_stats.sps_hdrqfull++;
+ for (i = 0; i < dd->ipath_cfgports; i++) {
+ struct ipath_portdata *pd = dd->ipath_pd[i];
+
+ if (i == 0) {
+ /*
+ * For kernel receive queues, we just want to know
+ * if there are packets in the queue that we can
+ * process.
+ */
+ if (pd->port_head != ipath_get_hdrqtail(pd))
+ chkerrpkts |= 1 << i;
+ continue;
+ }
+
+ /* Skip if user context is not open */
+ if (!pd || !pd->port_cnt)
+ continue;
+
+ /* Don't report the same point multiple times. */
+ if (dd->ipath_flags & IPATH_NODMA_RTAIL)
+ tl = ipath_read_ureg32(dd, ur_rcvhdrtail, i);
+ else
+ tl = ipath_get_rcvhdrtail(pd);
+ if (tl == pd->port_lastrcvhdrqtail)
+ continue;
+
+ hd = ipath_read_ureg32(dd, ur_rcvhdrhead, i);
+ if (hd == (tl + 1) || (!hd && tl == dd->ipath_hdrqlast)) {
+ pd->port_lastrcvhdrqtail = tl;
+ pd->port_hdrqfull++;
+ /* flush hdrqfull so that poll() sees it */
+ wmb();
+ wake_up_interruptible(&pd->port_wait);
+ }
+ }
+
+ return chkerrpkts;
+}
+
static int handle_errors(struct ipath_devdata *dd, ipath_err_t errs)
{
char msg[128];
u64 ignore_this_time = 0;
- int i, iserr = 0;
+ u64 iserr = 0;
int chkerrpkts = 0, noprint = 0;
unsigned supp_msgs;
int log_idx;
- supp_msgs = handle_frequent_errors(dd, errs, msg, sizeof msg, &noprint);
+ /*
+ * don't report errors that are masked, either at init
+ * (not set in ipath_errormask), or temporarily (set in
+ * ipath_maskederrs)
+ */
+ errs &= dd->ipath_errormask & ~dd->ipath_maskederrs;
- /* don't report errors that are masked */
- errs &= ~dd->ipath_maskederrs;
+ supp_msgs = handle_frequent_errors(dd, errs, msg, (u32)sizeof msg,
+ &noprint);
/* do these first, they are most important */
if (errs & INFINIPATH_E_HARDWARE) {
@@ -550,6 +692,9 @@
}
}
+ if (errs & INFINIPATH_E_SDMAERRS)
+ handle_sdma_errors(dd, errs);
+
if (!noprint && (errs & ~dd->ipath_e_bitsextant))
ipath_dev_err(dd, "error interrupt with unknown errors "
"%llx set\n", (unsigned long long)
@@ -580,18 +725,19 @@
* ones on this particular interrupt, which also isn't great
*/
dd->ipath_maskederrs |= dd->ipath_lasterror | errs;
+
dd->ipath_errormask &= ~dd->ipath_maskederrs;
ipath_write_kreg(dd, dd->ipath_kregs->kr_errormask,
- dd->ipath_errormask);
- s_iserr = ipath_decode_err(msg, sizeof msg,
- dd->ipath_maskederrs);
+ dd->ipath_errormask);
+ s_iserr = ipath_decode_err(dd, msg, sizeof msg,
+ dd->ipath_maskederrs);
if (dd->ipath_maskederrs &
- ~(INFINIPATH_E_RRCVEGRFULL |
- INFINIPATH_E_RRCVHDRFULL | INFINIPATH_E_PKTERRS))
+ ~(INFINIPATH_E_RRCVEGRFULL |
+ INFINIPATH_E_RRCVHDRFULL | INFINIPATH_E_PKTERRS))
ipath_dev_err(dd, "Temporarily disabling "
"error(s) %llx reporting; too frequent (%s)\n",
- (unsigned long long)dd->ipath_maskederrs,
+ (unsigned long long) dd->ipath_maskederrs,
msg);
else {
/*
@@ -633,26 +779,43 @@
INFINIPATH_E_IBSTATUSCHANGED);
}
- /* likely due to cancel, so suppress */
+ if (errs & INFINIPATH_E_SENDSPECIALTRIGGER) {
+ dd->ipath_spectriggerhit++;
+ ipath_dbg("%lu special trigger hits\n",
+ dd->ipath_spectriggerhit);
+ }
+
+ /* likely due to cancel; so suppress message unless verbose */
if ((errs & (INFINIPATH_E_SPKTLEN | INFINIPATH_E_SPIOARMLAUNCH)) &&
dd->ipath_lastcancel > jiffies) {
- ipath_dbg("Suppressed armlaunch/spktlen after error send cancel\n");
+ /* armlaunch takes precedence; it often causes both. */
+ ipath_cdbg(VERBOSE,
+ "Suppressed %s error (%llx) after sendbuf cancel\n",
+ (errs & INFINIPATH_E_SPIOARMLAUNCH) ?
+ "armlaunch" : "sendpktlen", (unsigned long long)errs);
errs &= ~(INFINIPATH_E_SPIOARMLAUNCH | INFINIPATH_E_SPKTLEN);
}
if (!errs)
return 0;
- if (!noprint)
+ if (!noprint) {
+ ipath_err_t mask;
/*
- * the ones we mask off are handled specially below or above
+ * The ones we mask off are handled specially below
+ * or above. Also mask SDMADISABLED by default as it
+ * is too chatty.
*/
- ipath_decode_err(msg, sizeof msg,
- errs & ~(INFINIPATH_E_IBSTATUSCHANGED |
- INFINIPATH_E_RRCVEGRFULL |
- INFINIPATH_E_RRCVHDRFULL |
- INFINIPATH_E_HARDWARE));
- else
+ mask = INFINIPATH_E_IBSTATUSCHANGED |
+ INFINIPATH_E_RRCVEGRFULL | INFINIPATH_E_RRCVHDRFULL |
+ INFINIPATH_E_HARDWARE | INFINIPATH_E_SDMADISABLED;
+
+ /* if we're in debug, then don't mask SDMADISABLED msgs */
+ if (ipath_debug & __IPATH_DBG)
+ mask &= ~INFINIPATH_E_SDMADISABLED;
+
+ ipath_decode_err(dd, msg, sizeof msg, errs & ~mask);
+ } else
/* so we don't need if (!noprint) at strlcat's below */
*msg = 0;
@@ -677,40 +840,8 @@
* fast_stats, no more than every 5 seconds, user ports get printed
* on close
*/
- if (errs & INFINIPATH_E_RRCVHDRFULL) {
- u32 hd, tl;
- ipath_stats.sps_hdrqfull++;
- for (i = 0; i < dd->ipath_cfgports; i++) {
- struct ipath_portdata *pd = dd->ipath_pd[i];
- if (i == 0) {
- hd = pd->port_head;
- tl = (u32) le64_to_cpu(
- *dd->ipath_hdrqtailptr);
- } else if (pd && pd->port_cnt &&
- pd->port_rcvhdrtail_kvaddr) {
- /*
- * don't report same point multiple times,
- * except kernel
- */
- tl = *(u64 *) pd->port_rcvhdrtail_kvaddr;
- if (tl == pd->port_lastrcvhdrqtail)
- continue;
- hd = ipath_read_ureg32(dd, ur_rcvhdrhead,
- i);
- } else
- continue;
- if (hd == (tl + 1) ||
- (!hd && tl == dd->ipath_hdrqlast)) {
- if (i == 0)
- chkerrpkts = 1;
- pd->port_lastrcvhdrqtail = tl;
- pd->port_hdrqfull++;
- /* flush hdrqfull so that poll() sees it */
- wmb();
- wake_up_interruptible(&pd->port_wait);
- }
- }
- }
+ if (errs & INFINIPATH_E_RRCVHDRFULL)
+ chkerrpkts |= handle_hdrq_full(dd);
if (errs & INFINIPATH_E_RRCVEGRFULL) {
struct ipath_portdata *pd = dd->ipath_pd[0];
@@ -721,9 +852,8 @@
* vs user)
*/
ipath_stats.sps_etidfull++;
- if (pd->port_head !=
- (u32) le64_to_cpu(*dd->ipath_hdrqtailptr))
- chkerrpkts = 1;
+ if (pd->port_head != ipath_get_hdrqtail(pd))
+ chkerrpkts |= 1;
}
/*
@@ -741,16 +871,13 @@
dd->ipath_flags &= ~(IPATH_LINKUNK | IPATH_LINKINIT
| IPATH_LINKARMED | IPATH_LINKACTIVE);
*dd->ipath_statusp &= ~IPATH_STATUS_IB_READY;
- if (!noprint) {
- u64 st = ipath_read_kreg64(
- dd, dd->ipath_kregs->kr_ibcstatus);
- ipath_dbg("Lost link, link now down (%s)\n",
- ipath_ibcstatus_str[st & 0xf]);
- }
+ ipath_dbg("Lost link, link now down (%s)\n",
+ ipath_ibcstatus_str[ipath_read_kreg64(dd,
+ dd->ipath_kregs->kr_ibcstatus) & 0xf]);
}
if (errs & INFINIPATH_E_IBSTATUSCHANGED)
- handle_e_ibstatuschanged(dd, errs, noprint);
+ handle_e_ibstatuschanged(dd, errs);
if (errs & INFINIPATH_E_RESET) {
if (!noprint)
@@ -765,9 +892,6 @@
if (!noprint && *msg) {
if (iserr)
ipath_dev_err(dd, "%s error\n", msg);
- else
- dev_info(&dd->pcidev->dev, "%s packet problems\n",
- msg);
}
if (dd->ipath_state_wanted & dd->ipath_flags) {
ipath_cdbg(VERBOSE, "driver wanted state %x, iflags now %x, "
@@ -779,7 +903,6 @@
return chkerrpkts;
}
-
/*
* try to cleanup as much as possible for anything that might have gone
* wrong while in freeze mode, such as pio buffers being written by user
@@ -796,8 +919,7 @@
void ipath_clear_freeze(struct ipath_devdata *dd)
{
int i, im;
- __le64 val;
- unsigned long flags;
+ u64 val;
/* disable error interrupts, to avoid confusion */
ipath_write_kreg(dd, dd->ipath_kregs->kr_errormask, 0ULL);
@@ -816,14 +938,7 @@
dd->ipath_control);
/* ensure pio avail updates continue */
- spin_lock_irqsave(&dd->ipath_sendctrl_lock, flags);
- ipath_write_kreg(dd, dd->ipath_kregs->kr_sendctrl,
- dd->ipath_sendctrl & ~INFINIPATH_S_PIOBUFAVAILUPD);
- ipath_read_kreg64(dd, dd->ipath_kregs->kr_scratch);
- ipath_write_kreg(dd, dd->ipath_kregs->kr_sendctrl,
- dd->ipath_sendctrl);
- ipath_read_kreg64(dd, dd->ipath_kregs->kr_scratch);
- spin_unlock_irqrestore(&dd->ipath_sendctrl_lock, flags);
+ ipath_force_pio_avail_update(dd);
/*
* We just enabled pioavailupdate, so dma copy is almost certainly
@@ -831,10 +946,13 @@
*/
for (i = 0; i < dd->ipath_pioavregs; i++) {
/* deal with 6110 chip bug */
- im = i > 3 ? i ^ 1 : i;
+ im = (i > 3 && (dd->ipath_flags & IPATH_SWAP_PIOBUFS)) ?
+ i ^ 1 : i;
val = ipath_read_kreg64(dd, (0x1000 / sizeof(u64)) + im);
- dd->ipath_pioavailregs_dma[i] = dd->ipath_pioavailshadow[i]
- = le64_to_cpu(val);
+ dd->ipath_pioavailregs_dma[i] = cpu_to_le64(val);
+ dd->ipath_pioavailshadow[i] = val |
+ (~dd->ipath_pioavailkernel[i] <<
+ INFINIPATH_SENDPIOAVAIL_BUSY_SHIFT);
}
/*
@@ -950,7 +1068,7 @@
* process was waiting for a packet to arrive, and didn't want
* to poll
*/
-static void handle_urcv(struct ipath_devdata *dd, u32 istat)
+static void handle_urcv(struct ipath_devdata *dd, u64 istat)
{
u64 portr;
int i;
@@ -966,12 +1084,13 @@
* and ipath_poll_next()...
*/
rmb();
- portr = ((istat >> INFINIPATH_I_RCVAVAIL_SHIFT) &
- dd->ipath_i_rcvavail_mask)
- | ((istat >> INFINIPATH_I_RCVURG_SHIFT) &
- dd->ipath_i_rcvurg_mask);
+ portr = ((istat >> dd->ipath_i_rcvavail_shift) &
+ dd->ipath_i_rcvavail_mask) |
+ ((istat >> dd->ipath_i_rcvurg_shift) &
+ dd->ipath_i_rcvurg_mask);
for (i = 1; i < dd->ipath_cfgports; i++) {
struct ipath_portdata *pd = dd->ipath_pd[i];
+
if (portr & (1 << i) && pd && pd->port_cnt) {
if (test_and_clear_bit(IPATH_PORT_WAITING_RCV,
&pd->port_flag)) {
@@ -988,7 +1107,7 @@
}
if (rcvdint) {
/* only want to take one interrupt, so turn off the rcv
- * interrupt for all the ports that we did the wakeup on
+ * interrupt for all the ports that we set the rcv_waiting
* (but never for kernel port)
*/
ipath_write_kreg(dd, dd->ipath_kregs->kr_rcvctrl,
@@ -999,12 +1118,11 @@
irqreturn_t ipath_intr(int irq, void *data)
{
struct ipath_devdata *dd = data;
- u32 istat, chk0rcv = 0;
+ u64 istat, chk0rcv = 0;
ipath_err_t estat = 0;
irqreturn_t ret;
static unsigned unexpected = 0;
- static const u32 port0rbits = (1U<<INFINIPATH_I_RCVAVAIL_SHIFT) |
- (1U<<INFINIPATH_I_RCVURG_SHIFT);
+ u64 kportrbits;
ipath_stats.sps_ints++;
@@ -1053,17 +1171,17 @@
if (unlikely(istat & ~dd->ipath_i_bitsextant))
ipath_dev_err(dd,
- "interrupt with unknown interrupts %x set\n",
- istat & (u32) ~ dd->ipath_i_bitsextant);
- else
- ipath_cdbg(VERBOSE, "intr stat=0x%x\n", istat);
+ "interrupt with unknown interrupts %Lx set\n",
+ istat & ~dd->ipath_i_bitsextant);
+ else if (istat & ~INFINIPATH_I_ERROR) /* errors do own printing */
+ ipath_cdbg(VERBOSE, "intr stat=0x%Lx\n", istat);
- if (unlikely(istat & INFINIPATH_I_ERROR)) {
+ if (istat & INFINIPATH_I_ERROR) {
ipath_stats.sps_errints++;
estat = ipath_read_kreg64(dd,
dd->ipath_kregs->kr_errorstatus);
if (!estat)
- dev_info(&dd->pcidev->dev, "error interrupt (%x), "
+ dev_info(&dd->pcidev->dev, "error interrupt (%Lx), "
"but no error bits set!\n", istat);
else if (estat == -1LL)
/*
@@ -1073,9 +1191,7 @@
ipath_dev_err(dd, "Read of error status failed "
"(all bits set); ignoring\n");
else
- if (handle_errors(dd, estat))
- /* force calling ipath_kreceive() */
- chk0rcv = 1;
+ chk0rcv |= handle_errors(dd, estat);
}
if (istat & INFINIPATH_I_GPIO) {
@@ -1093,8 +1209,7 @@
gpiostatus = ipath_read_kreg32(
dd, dd->ipath_kregs->kr_gpio_status);
- /* First the error-counter case.
- */
+ /* First the error-counter case. */
if ((gpiostatus & IPATH_GPIO_ERRINTR_MASK) &&
(dd->ipath_flags & IPATH_GPIO_ERRINTRS)) {
/* want to clear the bits we see asserted. */
@@ -1156,7 +1271,6 @@
(u64) to_clear);
}
}
- chk0rcv |= istat & port0rbits;
/*
* Clear the interrupt bits we found set, unless they are receive
@@ -1169,22 +1283,25 @@
ipath_write_kreg(dd, dd->ipath_kregs->kr_intclear, istat);
/*
- * handle port0 receive before checking for pio buffers available,
- * since receives can overflow; piobuf waiters can afford a few
- * extra cycles, since they were waiting anyway, and user's waiting
- * for receive are at the bottom.
+ * Handle kernel receive queues before checking for pio buffers
+ * available since receives can overflow; piobuf waiters can afford
+ * a few extra cycles, since they were waiting anyway, and user's
+ * waiting for receive are at the bottom.
*/
- if (chk0rcv) {
+ kportrbits = (1ULL << dd->ipath_i_rcvavail_shift) |
+ (1ULL << dd->ipath_i_rcvurg_shift);
+ if (chk0rcv || (istat & kportrbits)) {
+ istat &= ~kportrbits;
ipath_kreceive(dd->ipath_pd[0]);
- istat &= ~port0rbits;
}
- if (istat & ((dd->ipath_i_rcvavail_mask <<
- INFINIPATH_I_RCVAVAIL_SHIFT)
- | (dd->ipath_i_rcvurg_mask <<
- INFINIPATH_I_RCVURG_SHIFT)))
+ if (istat & ((dd->ipath_i_rcvavail_mask << dd->ipath_i_rcvavail_shift) |
+ (dd->ipath_i_rcvurg_mask << dd->ipath_i_rcvurg_shift)))
handle_urcv(dd, istat);
+ if (istat & (INFINIPATH_I_SDMAINT | INFINIPATH_I_SDMADISABLED))
+ handle_sdma_intr(dd, istat);
+
if (istat & INFINIPATH_I_SPIOBUFAVAIL) {
unsigned long flags;
@@ -1195,7 +1312,10 @@
ipath_read_kreg64(dd, dd->ipath_kregs->kr_scratch);
spin_unlock_irqrestore(&dd->ipath_sendctrl_lock, flags);
- handle_layer_pioavail(dd);
+ if (!(dd->ipath_flags & IPATH_HAS_SEND_DMA))
+ handle_layer_pioavail(dd);
+ else
+ ipath_dbg("unexpected BUFAVAIL intr\n");
}
ret = IRQ_HANDLED;
diff --git a/drivers/infiniband/hw/ipath/ipath_kernel.h b/drivers/infiniband/hw/ipath/ipath_kernel.h
index ecf3f7f..5863cbe 100644
--- a/drivers/infiniband/hw/ipath/ipath_kernel.h
+++ b/drivers/infiniband/hw/ipath/ipath_kernel.h
@@ -1,7 +1,7 @@
#ifndef _IPATH_KERNEL_H
#define _IPATH_KERNEL_H
/*
- * Copyright (c) 2006, 2007 QLogic Corporation. All rights reserved.
+ * Copyright (c) 2006, 2007, 2008 QLogic Corporation. All rights reserved.
* Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved.
*
* This software is available to you under a choice of one of two
@@ -42,6 +42,8 @@
#include <linux/pci.h>
#include <linux/dma-mapping.h>
#include <linux/mutex.h>
+#include <linux/list.h>
+#include <linux/scatterlist.h>
#include <asm/io.h>
#include <rdma/ib_verbs.h>
@@ -175,9 +177,13 @@
u16 poll_type;
/* port rcvhdrq head offset */
u32 port_head;
+ /* receive packet sequence counter */
+ u32 port_seq_cnt;
};
struct sk_buff;
+struct ipath_sge_state;
+struct ipath_verbs_txreq;
/*
* control information for layered drivers
@@ -191,6 +197,40 @@
dma_addr_t phys;
};
+struct ipath_sdma_txreq {
+ int flags;
+ int sg_count;
+ union {
+ struct scatterlist *sg;
+ void *map_addr;
+ };
+ void (*callback)(void *, int);
+ void *callback_cookie;
+ int callback_status;
+ u16 start_idx; /* sdma private */
+ u16 next_descq_idx; /* sdma private */
+ struct list_head list; /* sdma private */
+};
+
+struct ipath_sdma_desc {
+ __le64 qw[2];
+};
+
+#define IPATH_SDMA_TXREQ_F_USELARGEBUF 0x1
+#define IPATH_SDMA_TXREQ_F_HEADTOHOST 0x2
+#define IPATH_SDMA_TXREQ_F_INTREQ 0x4
+#define IPATH_SDMA_TXREQ_F_FREEBUF 0x8
+#define IPATH_SDMA_TXREQ_F_FREEDESC 0x10
+#define IPATH_SDMA_TXREQ_F_VL15 0x20
+
+#define IPATH_SDMA_TXREQ_S_OK 0
+#define IPATH_SDMA_TXREQ_S_SENDERROR 1
+#define IPATH_SDMA_TXREQ_S_ABORTED 2
+#define IPATH_SDMA_TXREQ_S_SHUTDOWN 3
+
+/* max dwords in small buffer packet */
+#define IPATH_SMALLBUF_DWORDS (dd->ipath_piosize2k >> 2)
+
/*
* Possible IB config parameters for ipath_f_get/set_ib_cfg()
*/
@@ -221,11 +261,6 @@
unsigned long ipath_physaddr;
/* base of memory alloced for ipath_kregbase, for free */
u64 *ipath_kregalloc;
- /*
- * virtual address where port0 rcvhdrqtail updated for this unit.
- * only written to by the chip, not the driver.
- */
- volatile __le64 *ipath_hdrqtailptr;
/* ipath_cfgports pointers */
struct ipath_portdata **ipath_pd;
/* sk_buffs used by port 0 eager receive queue */
@@ -283,6 +318,7 @@
/* per chip actions needed for IB Link up/down changes */
int (*ipath_f_ib_updown)(struct ipath_devdata *, int, u64);
+ unsigned ipath_lastegr_idx;
struct ipath_ibdev *verbs_dev;
struct timer_list verbs_timer;
/* total dwords sent (summed from counter) */
@@ -309,6 +345,7 @@
ipath_err_t ipath_lasthwerror;
/* errors masked because they occur too fast */
ipath_err_t ipath_maskederrs;
+ u64 ipath_lastlinkrecov; /* link recoveries at last ACTIVE */
/* time in jiffies at which to re-enable maskederrs */
unsigned long ipath_unmasktime;
/* count of egrfull errors, combined for all ports */
@@ -347,6 +384,7 @@
u32 ipath_lastrpkts;
/* pio bufs allocated per port */
u32 ipath_pbufsport;
+ u32 ipath_pioupd_thresh; /* update threshold, some chips */
/*
* number of ports configured as max; zero is set to number chip
* supports, less gives more pio bufs/port, etc.
@@ -365,6 +403,7 @@
* get to multiple devices
*/
u32 ipath_lastpioindex;
+ u32 ipath_lastpioindexl;
/* max length of freezemsg */
u32 ipath_freezelen;
/*
@@ -381,6 +420,15 @@
u32 ipath_pcibar0;
/* so we can rewrite it after a chip reset */
u32 ipath_pcibar1;
+ u32 ipath_x1_fix_tries;
+ u32 ipath_autoneg_tries;
+ u32 serdes_first_init_done;
+
+ struct ipath_relock {
+ atomic_t ipath_relock_timer_active;
+ struct timer_list ipath_relock_timer;
+ unsigned int ipath_relock_interval; /* in jiffies */
+ } ipath_relock_singleton;
/* interrupt number */
int ipath_irq;
@@ -403,7 +451,7 @@
u64 __iomem *ipath_egrtidbase;
/* lock to workaround chip bug 9437 and others */
spinlock_t ipath_kernel_tid_lock;
- spinlock_t ipath_tid_lock;
+ spinlock_t ipath_user_tid_lock;
spinlock_t ipath_sendctrl_lock;
/*
@@ -422,11 +470,48 @@
struct class_device *diag_class_dev;
/* timer used to prevent stats overflow, error throttling, etc. */
struct timer_list ipath_stats_timer;
+ /* timer to verify interrupts work, and fallback if possible */
+ struct timer_list ipath_intrchk_timer;
void *ipath_dummy_hdrq; /* used after port close */
dma_addr_t ipath_dummy_hdrq_phys;
+ /* SendDMA related entries */
+ spinlock_t ipath_sdma_lock;
+ u64 ipath_sdma_status;
+ unsigned long ipath_sdma_abort_jiffies;
+ unsigned long ipath_sdma_abort_intr_timeout;
+ unsigned long ipath_sdma_buf_jiffies;
+ struct ipath_sdma_desc *ipath_sdma_descq;
+ u64 ipath_sdma_descq_added;
+ u64 ipath_sdma_descq_removed;
+ int ipath_sdma_desc_nreserved;
+ u16 ipath_sdma_descq_cnt;
+ u16 ipath_sdma_descq_tail;
+ u16 ipath_sdma_descq_head;
+ u16 ipath_sdma_next_intr;
+ u16 ipath_sdma_reset_wait;
+ u8 ipath_sdma_generation;
+ struct tasklet_struct ipath_sdma_abort_task;
+ struct tasklet_struct ipath_sdma_notify_task;
+ struct list_head ipath_sdma_activelist;
+ struct list_head ipath_sdma_notifylist;
+ atomic_t ipath_sdma_vl15_count;
+ struct timer_list ipath_sdma_vl15_timer;
+
+ dma_addr_t ipath_sdma_descq_phys;
+ volatile __le64 *ipath_sdma_head_dma;
+ dma_addr_t ipath_sdma_head_phys;
+
unsigned long ipath_ureg_align; /* user register alignment */
+ struct delayed_work ipath_autoneg_work;
+ wait_queue_head_t ipath_autoneg_wait;
+
+ /* HoL blocking / user app forward-progress state */
+ unsigned ipath_hol_state;
+ unsigned ipath_hol_next;
+ struct timer_list ipath_hol_timer;
+
/*
* Shadow copies of registers; size indicates read access size.
* Most of them are readonly, but some are write-only register,
@@ -447,6 +532,8 @@
* init time.
*/
unsigned long ipath_pioavailshadow[8];
+ /* bitmap of send buffers available for the kernel to use with PIO. */
+ unsigned long ipath_pioavailkernel[8];
/* shadow of kr_gpio_out, for rmw ops */
u64 ipath_gpio_out;
/* shadow the gpio mask register */
@@ -472,6 +559,8 @@
u64 ipath_intconfig;
/* kr_sendpiobufbase value */
u64 ipath_piobufbase;
+ /* kr_ibcddrctrl shadow */
+ u64 ipath_ibcddrctrl;
/* these are the "32 bit" regs */
@@ -488,7 +577,10 @@
unsigned long ipath_rcvctrl;
/* shadow kr_sendctrl */
unsigned long ipath_sendctrl;
- unsigned long ipath_lastcancel; /* to not count armlaunch after cancel */
+ /* to not count armlaunch after cancel */
+ unsigned long ipath_lastcancel;
+ /* count cases where special trigger was needed (double write) */
+ unsigned long ipath_spectriggerhit;
/* value we put in kr_rcvhdrcnt */
u32 ipath_rcvhdrcnt;
@@ -510,6 +602,7 @@
u32 ipath_piobcnt4k;
/* size in bytes of "4KB" PIO buffers */
u32 ipath_piosize4k;
+ u32 ipath_pioreserved; /* reserved special-inkernel; */
/* kr_rcvegrbase value */
u32 ipath_rcvegrbase;
/* kr_rcvegrcnt value */
@@ -546,10 +639,10 @@
u32 ipath_init_ibmaxlen;
/* size of each rcvegrbuffer */
u32 ipath_rcvegrbufsize;
- /* width (2,4,8,16,32) from HT config reg */
- u32 ipath_htwidth;
- /* HT speed (200,400,800,1000) from HT config */
- u32 ipath_htspeed;
+ /* localbus width (1, 2,4,8,16,32) from config space */
+ u32 ipath_lbus_width;
+ /* localbus speed (HT: 200,400,800,1000; PCIe 2500) */
+ u32 ipath_lbus_speed;
/*
* number of sequential ibcstatus change for polling active/quiet
* (i.e., link not coming up).
@@ -573,21 +666,14 @@
*/
u8 ipath_serial[16];
/* human readable board version */
- u8 ipath_boardversion[80];
+ u8 ipath_boardversion[96];
+ u8 ipath_lbus_info[32]; /* human readable localbus info */
/* chip major rev, from ipath_revision */
u8 ipath_majrev;
/* chip minor rev, from ipath_revision */
u8 ipath_minrev;
/* board rev, from ipath_revision */
u8 ipath_boardrev;
-
- u8 ipath_r_portenable_shift;
- u8 ipath_r_intravail_shift;
- u8 ipath_r_tailupd_shift;
- u8 ipath_r_portcfg_shift;
-
- /* unit # of this chip, if present */
- int ipath_unit;
/* saved for restore after reset */
u8 ipath_pci_cacheline;
/* LID mask control */
@@ -603,6 +689,14 @@
/* Rx Polarity inversion (compensate for ~tx on partner) */
u8 ipath_rx_pol_inv;
+ u8 ipath_r_portenable_shift;
+ u8 ipath_r_intravail_shift;
+ u8 ipath_r_tailupd_shift;
+ u8 ipath_r_portcfg_shift;
+
+ /* unit # of this chip, if present */
+ int ipath_unit;
+
/* local link integrity counter */
u32 ipath_lli_counter;
/* local link integrity errors */
@@ -617,9 +711,6 @@
u32 ipath_overrun_thresh_errs;
u32 ipath_lli_errs;
- /* status check work */
- struct delayed_work status_work;
-
/*
* Not all devices managed by a driver instance are the same
* type, so these fields must be per-device.
@@ -632,8 +723,8 @@
* Below should be computable from number of ports,
* since they are never modified.
*/
- u32 ipath_i_rcvavail_mask;
- u32 ipath_i_rcvurg_mask;
+ u64 ipath_i_rcvavail_mask;
+ u64 ipath_i_rcvurg_mask;
u16 ipath_i_rcvurg_shift;
u16 ipath_i_rcvavail_shift;
@@ -641,8 +732,9 @@
* Register bits for selecting i2c direction and values, used for
* I2C serial flash.
*/
- u16 ipath_gpio_sda_num;
- u16 ipath_gpio_scl_num;
+ u8 ipath_gpio_sda_num;
+ u8 ipath_gpio_scl_num;
+ u8 ipath_i2c_chain_type;
u64 ipath_gpio_sda;
u64 ipath_gpio_scl;
@@ -703,13 +795,51 @@
/* interrupt mitigation reload register info */
u16 ipath_jint_idle_ticks; /* idle clock ticks */
u16 ipath_jint_max_packets; /* max packets across all ports */
+
+ /*
+ * lock for access to SerDes, and flags to sequence preset
+ * versus steady-state. 7220-only at the moment.
+ */
+ spinlock_t ipath_sdepb_lock;
+ u8 ipath_presets_needed; /* Set if presets to be restored next DOWN */
};
+/* ipath_hol_state values (stopping/starting user proc, send flushing) */
+#define IPATH_HOL_UP 0
+#define IPATH_HOL_DOWN 1
+/* ipath_hol_next toggle values, used when hol_state IPATH_HOL_DOWN */
+#define IPATH_HOL_DOWNSTOP 0
+#define IPATH_HOL_DOWNCONT 1
+
+/* bit positions for sdma_status */
+#define IPATH_SDMA_ABORTING 0
+#define IPATH_SDMA_DISARMED 1
+#define IPATH_SDMA_DISABLED 2
+#define IPATH_SDMA_LAYERBUF 3
+#define IPATH_SDMA_RUNNING 62
+#define IPATH_SDMA_SHUTDOWN 63
+
+/* bit combinations that correspond to abort states */
+#define IPATH_SDMA_ABORT_NONE 0
+#define IPATH_SDMA_ABORT_ABORTING (1UL << IPATH_SDMA_ABORTING)
+#define IPATH_SDMA_ABORT_DISARMED ((1UL << IPATH_SDMA_ABORTING) | \
+ (1UL << IPATH_SDMA_DISARMED))
+#define IPATH_SDMA_ABORT_DISABLED ((1UL << IPATH_SDMA_ABORTING) | \
+ (1UL << IPATH_SDMA_DISABLED))
+#define IPATH_SDMA_ABORT_ABORTED ((1UL << IPATH_SDMA_ABORTING) | \
+ (1UL << IPATH_SDMA_DISARMED) | (1UL << IPATH_SDMA_DISABLED))
+#define IPATH_SDMA_ABORT_MASK ((1UL<<IPATH_SDMA_ABORTING) | \
+ (1UL << IPATH_SDMA_DISARMED) | (1UL << IPATH_SDMA_DISABLED))
+
+#define IPATH_SDMA_BUF_NONE 0
+#define IPATH_SDMA_BUF_MASK (1UL<<IPATH_SDMA_LAYERBUF)
+
/* Private data for file operations */
struct ipath_filedata {
struct ipath_portdata *pd;
unsigned subport;
unsigned tidcursor;
+ struct ipath_user_sdma_queue *pq;
};
extern struct list_head ipath_dev_list;
extern spinlock_t ipath_devs_lock;
@@ -718,7 +848,7 @@
int ipath_init_chip(struct ipath_devdata *, int);
int ipath_enable_wc(struct ipath_devdata *dd);
void ipath_disable_wc(struct ipath_devdata *dd);
-int ipath_count_units(int *npresentp, int *nupp, u32 *maxportsp);
+int ipath_count_units(int *npresentp, int *nupp, int *maxportsp);
void ipath_shutdown_device(struct ipath_devdata *);
void ipath_clear_freeze(struct ipath_devdata *);
@@ -741,7 +871,8 @@
extern int ipath_diag_inuse;
irqreturn_t ipath_intr(int irq, void *devid);
-int ipath_decode_err(char *buf, size_t blen, ipath_err_t err);
+int ipath_decode_err(struct ipath_devdata *dd, char *buf, size_t blen,
+ ipath_err_t err);
#if __IPATH_INFO || __IPATH_DBG
extern const char *ipath_ibcstatus_str[];
#endif
@@ -774,6 +905,13 @@
int ipath_set_rx_pol_inv(struct ipath_devdata *dd, u8 new_pol_inv);
void ipath_enable_armlaunch(struct ipath_devdata *);
void ipath_disable_armlaunch(struct ipath_devdata *);
+void ipath_hol_down(struct ipath_devdata *);
+void ipath_hol_up(struct ipath_devdata *);
+void ipath_hol_event(unsigned long);
+void ipath_toggle_rclkrls(struct ipath_devdata *);
+void ipath_sd7220_clr_ibpar(struct ipath_devdata *);
+void ipath_set_relock_poll(struct ipath_devdata *, int);
+void ipath_shutdown_relock_poll(struct ipath_devdata *);
/* for use in system calls, where we want to know device type, etc. */
#define port_fp(fp) ((struct ipath_filedata *)(fp)->private_data)->pd
@@ -781,11 +919,15 @@
((struct ipath_filedata *)(fp)->private_data)->subport
#define tidcursor_fp(fp) \
((struct ipath_filedata *)(fp)->private_data)->tidcursor
+#define user_sdma_queue_fp(fp) \
+ ((struct ipath_filedata *)(fp)->private_data)->pq
/*
* values for ipath_flags
*/
-/* The chip is up and initted */
+ /* chip can report link latency (IB 1.2) */
+#define IPATH_HAS_LINK_LATENCY 0x1
+ /* The chip is up and initted */
#define IPATH_INITTED 0x2
/* set if any user code has set kr_rcvhdrsize */
#define IPATH_RCVHDRSZ_SET 0x4
@@ -809,6 +951,8 @@
#define IPATH_LINKUNK 0x400
/* Write combining flush needed for PIO */
#define IPATH_PIO_FLUSH_WC 0x1000
+ /* DMA Receive tail pointer */
+#define IPATH_NODMA_RTAIL 0x2000
/* no IB cable, or no device on IB cable */
#define IPATH_NOCABLE 0x4000
/* Supports port zero per packet receive interrupts via
@@ -819,16 +963,26 @@
/* packet/word counters are 32 bit, else those 4 counters
* are 64bit */
#define IPATH_32BITCOUNTERS 0x20000
- /* can miss port0 rx interrupts */
/* Interrupt register is 64 bits */
#define IPATH_INTREG_64 0x40000
+ /* can miss port0 rx interrupts */
#define IPATH_DISABLED 0x80000 /* administratively disabled */
/* Use GPIO interrupts for new counters */
#define IPATH_GPIO_ERRINTRS 0x100000
#define IPATH_SWAP_PIOBUFS 0x200000
+ /* Supports Send DMA */
+#define IPATH_HAS_SEND_DMA 0x400000
+ /* Supports Send Count (not just word count) in PBC */
+#define IPATH_HAS_PBC_CNT 0x800000
/* Suppress heartbeat, even if turning off loopback */
#define IPATH_NO_HRTBT 0x1000000
+#define IPATH_HAS_THRESH_UPDATE 0x4000000
#define IPATH_HAS_MULT_IB_SPEED 0x8000000
+#define IPATH_IB_AUTONEG_INPROG 0x10000000
+#define IPATH_IB_AUTONEG_FAILED 0x20000000
+ /* Linkdown-disable intentionally, Do not attempt to bring up */
+#define IPATH_IB_LINK_DISABLED 0x40000000
+#define IPATH_IB_FORCE_NOTIFY 0x80000000 /* force notify on next ib change */
/* Bits in GPIO for the added interrupts */
#define IPATH_GPIO_PORT0_BIT 2
@@ -847,13 +1001,18 @@
/* free up any allocated data at closes */
void ipath_free_data(struct ipath_portdata *dd);
-u32 __iomem *ipath_getpiobuf(struct ipath_devdata *, u32 *);
+u32 __iomem *ipath_getpiobuf(struct ipath_devdata *, u32, u32 *);
+void ipath_chg_pioavailkernel(struct ipath_devdata *dd, unsigned start,
+ unsigned len, int avail);
+void ipath_init_iba7220_funcs(struct ipath_devdata *);
void ipath_init_iba6120_funcs(struct ipath_devdata *);
void ipath_init_iba6110_funcs(struct ipath_devdata *);
void ipath_get_eeprom_info(struct ipath_devdata *);
int ipath_update_eeprom_log(struct ipath_devdata *dd);
void ipath_inc_eeprom_err(struct ipath_devdata *dd, u32 eidx, u32 incr);
u64 ipath_snap_cntr(struct ipath_devdata *, ipath_creg);
+void ipath_disarm_senderrbufs(struct ipath_devdata *, int);
+void ipath_force_pio_avail_update(struct ipath_devdata *);
void signal_ib_event(struct ipath_devdata *dd, enum ib_event_type ev);
/*
@@ -865,6 +1024,34 @@
#define IPATH_LED_LOG 2 /* Logical (link) YELLOW LED */
void ipath_set_led_override(struct ipath_devdata *dd, unsigned int val);
+/* send dma routines */
+int setup_sdma(struct ipath_devdata *);
+void teardown_sdma(struct ipath_devdata *);
+void ipath_restart_sdma(struct ipath_devdata *);
+void ipath_sdma_intr(struct ipath_devdata *);
+int ipath_sdma_verbs_send(struct ipath_devdata *, struct ipath_sge_state *,
+ u32, struct ipath_verbs_txreq *);
+/* ipath_sdma_lock should be locked before calling this. */
+int ipath_sdma_make_progress(struct ipath_devdata *dd);
+
+/* must be called under ipath_sdma_lock */
+static inline u16 ipath_sdma_descq_freecnt(const struct ipath_devdata *dd)
+{
+ return dd->ipath_sdma_descq_cnt -
+ (dd->ipath_sdma_descq_added - dd->ipath_sdma_descq_removed) -
+ 1 - dd->ipath_sdma_desc_nreserved;
+}
+
+static inline void ipath_sdma_desc_reserve(struct ipath_devdata *dd, u16 cnt)
+{
+ dd->ipath_sdma_desc_nreserved += cnt;
+}
+
+static inline void ipath_sdma_desc_unreserve(struct ipath_devdata *dd, u16 cnt)
+{
+ dd->ipath_sdma_desc_nreserved -= cnt;
+}
+
/*
* number of words used for protocol header if not set by ipath_userinit();
*/
@@ -875,6 +1062,8 @@
void ipath_release_user_pages_on_close(struct page **, size_t);
int ipath_eeprom_read(struct ipath_devdata *, u8, void *, int);
int ipath_eeprom_write(struct ipath_devdata *, u8, const void *, int);
+int ipath_tempsense_read(struct ipath_devdata *, u8 regnum);
+int ipath_tempsense_write(struct ipath_devdata *, u8 regnum, u8 data);
/* these are used for the registers that vary with port */
void ipath_write_kreg_port(const struct ipath_devdata *, ipath_kreg,
@@ -891,8 +1080,7 @@
/*
* At the moment, none of the s-registers are writable, so no
- * ipath_write_sreg(), and none of the c-registers are writable, so no
- * ipath_write_creg().
+ * ipath_write_sreg().
*/
/**
@@ -1001,6 +1189,27 @@
pd->port_rcvhdrtail_kvaddr));
}
+static inline u32 ipath_get_hdrqtail(const struct ipath_portdata *pd)
+{
+ const struct ipath_devdata *dd = pd->port_dd;
+ u32 hdrqtail;
+
+ if (dd->ipath_flags & IPATH_NODMA_RTAIL) {
+ __le32 *rhf_addr;
+ u32 seq;
+
+ rhf_addr = (__le32 *) pd->port_rcvhdrq +
+ pd->port_head + dd->ipath_rhf_offset;
+ seq = ipath_hdrget_seq(rhf_addr);
+ hdrqtail = pd->port_head;
+ if (seq == pd->port_seq_cnt)
+ hdrqtail++;
+ } else
+ hdrqtail = ipath_get_rcvhdrtail(pd);
+
+ return hdrqtail;
+}
+
static inline u64 ipath_read_ireg(const struct ipath_devdata *dd, ipath_kreg r)
{
return (dd->ipath_flags & IPATH_INTREG_64) ?
@@ -1029,6 +1238,21 @@
}
/*
+ * from contents of IBCStatus (or a saved copy), return logical link state
+ * combination of link state and linktraining state (down, active, init,
+ * arm, etc.
+ */
+static inline u32 ipath_ib_state(struct ipath_devdata *dd, u64 ibcs)
+{
+ u32 ibs;
+ ibs = (u32)(ibcs >> INFINIPATH_IBCS_LINKTRAININGSTATE_SHIFT) &
+ dd->ibcs_lts_mask;
+ ibs |= (u32)(ibcs &
+ (INFINIPATH_IBCS_LINKSTATE_MASK << dd->ibcs_ls_shift));
+ return ibs;
+}
+
+/*
* sysfs interface.
*/
@@ -1053,6 +1277,7 @@
dma_addr_t ipath_map_page(struct pci_dev *, struct page *, unsigned long,
size_t, int);
dma_addr_t ipath_map_single(struct pci_dev *, void *, size_t, int);
+const char *ipath_get_unit_name(int unit);
/*
* Flush write combining store buffers (if present) and perform a write
@@ -1065,11 +1290,8 @@
#endif
extern unsigned ipath_debug; /* debugging bit mask */
-
-#define IPATH_MAX_PARITY_ATTEMPTS 10000 /* max times to try recovery */
-
-const char *ipath_get_unit_name(int unit);
-
+extern unsigned ipath_linkrecovery;
+extern unsigned ipath_mtu4096;
extern struct mutex ipath_mutex;
#define IPATH_DRV_NAME "ib_ipath"
@@ -1096,7 +1318,7 @@
# define __IPATH_DBG_WHICH(which,fmt,...) \
do { \
- if(unlikely(ipath_debug&(which))) \
+ if (unlikely(ipath_debug & (which))) \
printk(KERN_DEBUG IPATH_DRV_NAME ": %s: " fmt, \
__func__,##__VA_ARGS__); \
} while(0)
diff --git a/drivers/infiniband/hw/ipath/ipath_mad.c b/drivers/infiniband/hw/ipath/ipath_mad.c
index b34b91d..1ff46ae 100644
--- a/drivers/infiniband/hw/ipath/ipath_mad.c
+++ b/drivers/infiniband/hw/ipath/ipath_mad.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2006, 2007 QLogic Corporation. All rights reserved.
+ * Copyright (c) 2006, 2007, 2008 QLogic Corporation. All rights reserved.
* Copyright (c) 2005, 2006 PathScale, Inc. All rights reserved.
*
* This software is available to you under a choice of one of two
@@ -146,6 +146,15 @@
return reply(smp);
}
+static void set_link_width_enabled(struct ipath_devdata *dd, u32 w)
+{
+ (void) dd->ipath_f_set_ib_cfg(dd, IPATH_IB_CFG_LWID_ENB, w);
+}
+
+static void set_link_speed_enabled(struct ipath_devdata *dd, u32 s)
+{
+ (void) dd->ipath_f_set_ib_cfg(dd, IPATH_IB_CFG_SPD_ENB, s);
+}
static int get_overrunthreshold(struct ipath_devdata *dd)
{
@@ -226,6 +235,7 @@
struct ib_device *ibdev, u8 port)
{
struct ipath_ibdev *dev;
+ struct ipath_devdata *dd;
struct ib_port_info *pip = (struct ib_port_info *)smp->data;
u16 lid;
u8 ibcstat;
@@ -239,6 +249,7 @@
}
dev = to_idev(ibdev);
+ dd = dev->dd;
/* Clear all fields. Only set the non-zero fields. */
memset(smp->data, 0, sizeof(smp->data));
@@ -248,25 +259,28 @@
dev->mkeyprot == 0)
pip->mkey = dev->mkey;
pip->gid_prefix = dev->gid_prefix;
- lid = dev->dd->ipath_lid;
+ lid = dd->ipath_lid;
pip->lid = lid ? cpu_to_be16(lid) : IB_LID_PERMISSIVE;
pip->sm_lid = cpu_to_be16(dev->sm_lid);
pip->cap_mask = cpu_to_be32(dev->port_cap_flags);
/* pip->diag_code; */
pip->mkey_lease_period = cpu_to_be16(dev->mkey_lease_period);
pip->local_port_num = port;
- pip->link_width_enabled = dev->link_width_enabled;
- pip->link_width_supported = 3; /* 1x or 4x */
- pip->link_width_active = 2; /* 4x */
- pip->linkspeed_portstate = 0x10; /* 2.5Gbps */
- ibcstat = dev->dd->ipath_lastibcstat;
- pip->linkspeed_portstate |= ((ibcstat >> 4) & 0x3) + 1;
+ pip->link_width_enabled = dd->ipath_link_width_enabled;
+ pip->link_width_supported = dd->ipath_link_width_supported;
+ pip->link_width_active = dd->ipath_link_width_active;
+ pip->linkspeed_portstate = dd->ipath_link_speed_supported << 4;
+ ibcstat = dd->ipath_lastibcstat;
+ /* map LinkState to IB portinfo values. */
+ pip->linkspeed_portstate |= ipath_ib_linkstate(dd, ibcstat) + 1;
+
pip->portphysstate_linkdown =
- (ipath_cvt_physportstate[ibcstat & 0xf] << 4) |
- (get_linkdowndefaultstate(dev->dd) ? 1 : 2);
- pip->mkeyprot_resv_lmc = (dev->mkeyprot << 6) | dev->dd->ipath_lmc;
- pip->linkspeedactive_enabled = 0x11; /* 2.5Gbps, 2.5Gbps */
- switch (dev->dd->ipath_ibmtu) {
+ (ipath_cvt_physportstate[ibcstat & dd->ibcs_lts_mask] << 4) |
+ (get_linkdowndefaultstate(dd) ? 1 : 2);
+ pip->mkeyprot_resv_lmc = (dev->mkeyprot << 6) | dd->ipath_lmc;
+ pip->linkspeedactive_enabled = (dd->ipath_link_speed_active << 4) |
+ dd->ipath_link_speed_enabled;
+ switch (dd->ipath_ibmtu) {
case 4096:
mtu = IB_MTU_4096;
break;
@@ -292,19 +306,15 @@
/* pip->vl_arb_high_cap; // only one VL */
/* pip->vl_arb_low_cap; // only one VL */
/* InitTypeReply = 0 */
- /*
- * Note: the chips support a maximum MTU of 4096, but the driver
- * hasn't implemented this feature yet, so set the maximum value
- * to 2048.
- */
- pip->inittypereply_mtucap = IB_MTU_2048;
- // HCAs ignore VLStallCount and HOQLife
+ /* our mtu cap depends on whether 4K MTU enabled or not */
+ pip->inittypereply_mtucap = ipath_mtu4096 ? IB_MTU_4096 : IB_MTU_2048;
+ /* HCAs ignore VLStallCount and HOQLife */
/* pip->vlstallcnt_hoqlife; */
pip->operationalvl_pei_peo_fpi_fpo = 0x10; /* OVLs = 1 */
pip->mkey_violations = cpu_to_be16(dev->mkey_violations);
/* P_KeyViolations are counted by hardware. */
pip->pkey_violations =
- cpu_to_be16((ipath_get_cr_errpkey(dev->dd) -
+ cpu_to_be16((ipath_get_cr_errpkey(dd) -
dev->z_pkey_violations) & 0xFFFF);
pip->qkey_violations = cpu_to_be16(dev->qkey_violations);
/* Only the hardware GUID is supported for now */
@@ -313,10 +323,17 @@
/* 32.768 usec. response time (guessing) */
pip->resv_resptimevalue = 3;
pip->localphyerrors_overrunerrors =
- (get_phyerrthreshold(dev->dd) << 4) |
- get_overrunthreshold(dev->dd);
+ (get_phyerrthreshold(dd) << 4) |
+ get_overrunthreshold(dd);
/* pip->max_credit_hint; */
- /* pip->link_roundtrip_latency[3]; */
+ if (dev->port_cap_flags & IB_PORT_LINK_LATENCY_SUP) {
+ u32 v;
+
+ v = dd->ipath_f_get_ib_cfg(dd, IPATH_IB_CFG_LINKLATENCY);
+ pip->link_roundtrip_latency[0] = v >> 16;
+ pip->link_roundtrip_latency[1] = v >> 8;
+ pip->link_roundtrip_latency[2] = v;
+ }
ret = reply(smp);
@@ -444,19 +461,25 @@
ib_dispatch_event(&event);
}
- /* Only 4x supported but allow 1x or 4x to be set (see 14.2.6.6). */
+ /* Allow 1x or 4x to be set (see 14.2.6.6). */
lwe = pip->link_width_enabled;
- if ((lwe >= 4 && lwe <= 8) || (lwe >= 0xC && lwe <= 0xFE))
- goto err;
- if (lwe == 0xFF)
- dev->link_width_enabled = 3; /* 1x or 4x */
- else if (lwe)
- dev->link_width_enabled = lwe;
+ if (lwe) {
+ if (lwe == 0xFF)
+ lwe = dd->ipath_link_width_supported;
+ else if (lwe >= 16 || (lwe & ~dd->ipath_link_width_supported))
+ goto err;
+ set_link_width_enabled(dd, lwe);
+ }
- /* Only 2.5 Gbs supported. */
+ /* Allow 2.5 or 5.0 Gbs. */
lse = pip->linkspeedactive_enabled & 0xF;
- if (lse >= 2 && lse <= 0xE)
- goto err;
+ if (lse) {
+ if (lse == 15)
+ lse = dd->ipath_link_speed_supported;
+ else if (lse >= 8 || (lse & ~dd->ipath_link_speed_supported))
+ goto err;
+ set_link_speed_enabled(dd, lse);
+ }
/* Set link down default state. */
switch (pip->portphysstate_linkdown & 0xF) {
@@ -491,6 +514,8 @@
mtu = 2048;
break;
case IB_MTU_4096:
+ if (!ipath_mtu4096)
+ goto err;
mtu = 4096;
break;
default:
@@ -565,6 +590,10 @@
else
goto err;
ipath_set_linkstate(dd, lstate);
+ if (lstate == IPATH_IB_LINKDOWN_DISABLE) {
+ ret = IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_CONSUMED;
+ goto done;
+ }
ipath_wait_linkstate(dd, IPATH_LINKINIT | IPATH_LINKARMED |
IPATH_LINKACTIVE, 1000);
break;
@@ -948,10 +977,14 @@
* nsec. 0 == 4 nsec., 1 == 8 nsec., ..., 255 == 1020 nsec. Sample
* intervals are counted in ticks. Since we use Linux timers, that
* count in jiffies, we can't sample for less than 1000 ticks if HZ
- * == 1000 (4000 ticks if HZ is 250).
+ * == 1000 (4000 ticks if HZ is 250). link_speed_active returns 2 for
+ * DDR, 1 for SDR, set the tick to 1 for DDR, 0 for SDR on chips that
+ * have hardware support for delaying packets.
*/
- /* XXX This is WRONG. */
- p->tick = 250; /* 1 usec. */
+ if (crp->cr_psstat)
+ p->tick = dev->dd->ipath_link_speed_active - 1;
+ else
+ p->tick = 250; /* 1 usec. */
p->counter_width = 4; /* 32 bit counters */
p->counter_mask0_9 = COUNTER_MASK0_9;
spin_lock_irqsave(&dev->pending_lock, flags);
@@ -1364,7 +1397,8 @@
}
/* Is the mkey in the process of expiring? */
- if (dev->mkey_lease_timeout && jiffies >= dev->mkey_lease_timeout) {
+ if (dev->mkey_lease_timeout &&
+ time_after_eq(jiffies, dev->mkey_lease_timeout)) {
/* Clear timeout and mkey protection field. */
dev->mkey_lease_timeout = 0;
dev->mkeyprot = 0;
diff --git a/drivers/infiniband/hw/ipath/ipath_qp.c b/drivers/infiniband/hw/ipath/ipath_qp.c
index 087ed31..dd5b6e9 100644
--- a/drivers/infiniband/hw/ipath/ipath_qp.c
+++ b/drivers/infiniband/hw/ipath/ipath_qp.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2006, 2007 QLogic Corporation. All rights reserved.
+ * Copyright (c) 2006, 2007, 2008 QLogic Corporation. All rights reserved.
* Copyright (c) 2005, 2006 PathScale, Inc. All rights reserved.
*
* This software is available to you under a choice of one of two
@@ -340,6 +340,7 @@
qp->s_flags &= IPATH_S_SIGNAL_REQ_WR;
qp->s_hdrwords = 0;
qp->s_wqe = NULL;
+ qp->s_pkt_delay = 0;
qp->s_psn = 0;
qp->r_psn = 0;
qp->r_msn = 0;
@@ -392,7 +393,6 @@
qp->ibqp.qp_num, qp->remote_qpn, err);
spin_lock(&dev->pending_lock);
- /* XXX What if its already removed by the timeout code? */
if (!list_empty(&qp->timerwait))
list_del_init(&qp->timerwait);
if (!list_empty(&qp->piowait))
@@ -516,13 +516,13 @@
goto inval;
/*
- * Note: the chips support a maximum MTU of 4096, but the driver
- * hasn't implemented this feature yet, so don't allow Path MTU
- * values greater than 2048.
+ * don't allow invalid Path MTU values or greater than 2048
+ * unless we are configured for a 4KB MTU
*/
- if (attr_mask & IB_QP_PATH_MTU)
- if (attr->path_mtu > IB_MTU_2048)
- goto inval;
+ if ((attr_mask & IB_QP_PATH_MTU) &&
+ (ib_mtu_enum_to_int(attr->path_mtu) == -1 ||
+ (attr->path_mtu > IB_MTU_2048 && !ipath_mtu4096)))
+ goto inval;
if (attr_mask & IB_QP_PATH_MIG_STATE)
if (attr->path_mig_state != IB_MIG_MIGRATED &&
@@ -564,8 +564,10 @@
if (attr_mask & IB_QP_ACCESS_FLAGS)
qp->qp_access_flags = attr->qp_access_flags;
- if (attr_mask & IB_QP_AV)
+ if (attr_mask & IB_QP_AV) {
qp->remote_ah_attr = attr->ah_attr;
+ qp->s_dmult = ipath_ib_rate_to_mult(attr->ah_attr.static_rate);
+ }
if (attr_mask & IB_QP_PATH_MTU)
qp->path_mtu = attr->path_mtu;
@@ -748,22 +750,33 @@
size_t sz;
struct ib_qp *ret;
- if (init_attr->cap.max_send_sge > ib_ipath_max_sges ||
- init_attr->cap.max_recv_sge > ib_ipath_max_sges ||
- init_attr->cap.max_send_wr > ib_ipath_max_qp_wrs ||
- init_attr->cap.max_recv_wr > ib_ipath_max_qp_wrs) {
- ret = ERR_PTR(-ENOMEM);
+ if (init_attr->create_flags) {
+ ret = ERR_PTR(-EINVAL);
goto bail;
}
- if (init_attr->cap.max_send_sge +
- init_attr->cap.max_recv_sge +
- init_attr->cap.max_send_wr +
- init_attr->cap.max_recv_wr == 0) {
+ if (init_attr->cap.max_send_sge > ib_ipath_max_sges ||
+ init_attr->cap.max_send_wr > ib_ipath_max_qp_wrs) {
ret = ERR_PTR(-EINVAL);
goto bail;
}
+ /* Check receive queue parameters if no SRQ is specified. */
+ if (!init_attr->srq) {
+ if (init_attr->cap.max_recv_sge > ib_ipath_max_sges ||
+ init_attr->cap.max_recv_wr > ib_ipath_max_qp_wrs) {
+ ret = ERR_PTR(-EINVAL);
+ goto bail;
+ }
+ if (init_attr->cap.max_send_sge +
+ init_attr->cap.max_send_wr +
+ init_attr->cap.max_recv_sge +
+ init_attr->cap.max_recv_wr == 0) {
+ ret = ERR_PTR(-EINVAL);
+ goto bail;
+ }
+ }
+
switch (init_attr->qp_type) {
case IB_QPT_UC:
case IB_QPT_RC:
@@ -840,6 +853,7 @@
goto bail_qp;
}
qp->ip = NULL;
+ qp->s_tx = NULL;
ipath_reset_qp(qp, init_attr->qp_type);
break;
@@ -945,12 +959,20 @@
/* Stop the sending tasklet. */
tasklet_kill(&qp->s_task);
+ if (qp->s_tx) {
+ atomic_dec(&qp->refcount);
+ if (qp->s_tx->txreq.flags & IPATH_SDMA_TXREQ_F_FREEBUF)
+ kfree(qp->s_tx->txreq.map_addr);
+ }
+
/* Make sure the QP isn't on the timeout list. */
spin_lock_irqsave(&dev->pending_lock, flags);
if (!list_empty(&qp->timerwait))
list_del_init(&qp->timerwait);
if (!list_empty(&qp->piowait))
list_del_init(&qp->piowait);
+ if (qp->s_tx)
+ list_add(&qp->s_tx->txreq.list, &dev->txreq_free);
spin_unlock_irqrestore(&dev->pending_lock, flags);
/*
@@ -1021,7 +1043,6 @@
qp->ibqp.qp_num, qp->remote_qpn, wc->status);
spin_lock(&dev->pending_lock);
- /* XXX What if its already removed by the timeout code? */
if (!list_empty(&qp->timerwait))
list_del_init(&qp->timerwait);
if (!list_empty(&qp->piowait))
diff --git a/drivers/infiniband/hw/ipath/ipath_rc.c b/drivers/infiniband/hw/ipath/ipath_rc.c
index 40f3e37..c405dfb 100644
--- a/drivers/infiniband/hw/ipath/ipath_rc.c
+++ b/drivers/infiniband/hw/ipath/ipath_rc.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2006, 2007 QLogic Corporation. All rights reserved.
+ * Copyright (c) 2006, 2007, 2008 QLogic Corporation. All rights reserved.
* Copyright (c) 2005, 2006 PathScale, Inc. All rights reserved.
*
* This software is available to you under a choice of one of two
@@ -31,6 +31,8 @@
* SOFTWARE.
*/
+#include <linux/io.h>
+
#include "ipath_verbs.h"
#include "ipath_kernel.h"
@@ -306,7 +308,7 @@
else {
qp->s_state = OP(SEND_ONLY_WITH_IMMEDIATE);
/* Immediate data comes after the BTH */
- ohdr->u.imm_data = wqe->wr.imm_data;
+ ohdr->u.imm_data = wqe->wr.ex.imm_data;
hwords += 1;
}
if (wqe->wr.send_flags & IB_SEND_SOLICITED)
@@ -344,7 +346,7 @@
qp->s_state =
OP(RDMA_WRITE_ONLY_WITH_IMMEDIATE);
/* Immediate data comes after RETH */
- ohdr->u.rc.imm_data = wqe->wr.imm_data;
+ ohdr->u.rc.imm_data = wqe->wr.ex.imm_data;
hwords += 1;
if (wqe->wr.send_flags & IB_SEND_SOLICITED)
bth0 |= 1 << 23;
@@ -488,7 +490,7 @@
else {
qp->s_state = OP(SEND_LAST_WITH_IMMEDIATE);
/* Immediate data comes after the BTH */
- ohdr->u.imm_data = wqe->wr.imm_data;
+ ohdr->u.imm_data = wqe->wr.ex.imm_data;
hwords += 1;
}
if (wqe->wr.send_flags & IB_SEND_SOLICITED)
@@ -524,7 +526,7 @@
else {
qp->s_state = OP(RDMA_WRITE_LAST_WITH_IMMEDIATE);
/* Immediate data comes after the BTH */
- ohdr->u.imm_data = wqe->wr.imm_data;
+ ohdr->u.imm_data = wqe->wr.ex.imm_data;
hwords += 1;
if (wqe->wr.send_flags & IB_SEND_SOLICITED)
bth0 |= 1 << 23;
@@ -585,19 +587,39 @@
static void send_rc_ack(struct ipath_qp *qp)
{
struct ipath_ibdev *dev = to_idev(qp->ibqp.device);
+ struct ipath_devdata *dd;
u16 lrh0;
u32 bth0;
u32 hwords;
+ u32 __iomem *piobuf;
struct ipath_ib_header hdr;
struct ipath_other_headers *ohdr;
unsigned long flags;
+ spin_lock_irqsave(&qp->s_lock, flags);
+
/* Don't send ACK or NAK if a RDMA read or atomic is pending. */
if (qp->r_head_ack_queue != qp->s_tail_ack_queue ||
(qp->s_flags & IPATH_S_ACK_PENDING) ||
qp->s_ack_state != OP(ACKNOWLEDGE))
goto queue_ack;
+ spin_unlock_irqrestore(&qp->s_lock, flags);
+
+ dd = dev->dd;
+ piobuf = ipath_getpiobuf(dd, 0, NULL);
+ if (!piobuf) {
+ /*
+ * We are out of PIO buffers at the moment.
+ * Pass responsibility for sending the ACK to the
+ * send tasklet so that when a PIO buffer becomes
+ * available, the ACK is sent ahead of other outgoing
+ * packets.
+ */
+ spin_lock_irqsave(&qp->s_lock, flags);
+ goto queue_ack;
+ }
+
/* Construct the header. */
ohdr = &hdr.u.oth;
lrh0 = IPATH_LRH_BTH;
@@ -611,7 +633,7 @@
lrh0 = IPATH_LRH_GRH;
}
/* read pkey_index w/o lock (its atomic) */
- bth0 = ipath_get_pkey(dev->dd, qp->s_pkey_index) |
+ bth0 = ipath_get_pkey(dd, qp->s_pkey_index) |
(OP(ACKNOWLEDGE) << 24) | (1 << 22);
if (qp->r_nak_state)
ohdr->u.aeth = cpu_to_be32((qp->r_msn & IPATH_MSN_MASK) |
@@ -623,30 +645,29 @@
hdr.lrh[0] = cpu_to_be16(lrh0);
hdr.lrh[1] = cpu_to_be16(qp->remote_ah_attr.dlid);
hdr.lrh[2] = cpu_to_be16(hwords + SIZE_OF_CRC);
- hdr.lrh[3] = cpu_to_be16(dev->dd->ipath_lid);
+ hdr.lrh[3] = cpu_to_be16(dd->ipath_lid);
ohdr->bth[0] = cpu_to_be32(bth0);
ohdr->bth[1] = cpu_to_be32(qp->remote_qpn);
ohdr->bth[2] = cpu_to_be32(qp->r_ack_psn & IPATH_PSN_MASK);
- /*
- * If we can send the ACK, clear the ACK state.
- */
- if (ipath_verbs_send(qp, &hdr, hwords, NULL, 0) == 0) {
- dev->n_unicast_xmit++;
- goto done;
- }
+ writeq(hwords + 1, piobuf);
- /*
- * We are out of PIO buffers at the moment.
- * Pass responsibility for sending the ACK to the
- * send tasklet so that when a PIO buffer becomes
- * available, the ACK is sent ahead of other outgoing
- * packets.
- */
- dev->n_rc_qacks++;
+ if (dd->ipath_flags & IPATH_PIO_FLUSH_WC) {
+ u32 *hdrp = (u32 *) &hdr;
+
+ ipath_flush_wc();
+ __iowrite32_copy(piobuf + 2, hdrp, hwords - 1);
+ ipath_flush_wc();
+ __raw_writel(hdrp[hwords - 1], piobuf + hwords + 1);
+ } else
+ __iowrite32_copy(piobuf + 2, (u32 *) &hdr, hwords);
+
+ ipath_flush_wc();
+
+ dev->n_unicast_xmit++;
+ goto done;
queue_ack:
- spin_lock_irqsave(&qp->s_lock, flags);
dev->n_rc_qacks++;
qp->s_flags |= IPATH_S_ACK_PENDING;
qp->s_nak_state = qp->r_nak_state;
diff --git a/drivers/infiniband/hw/ipath/ipath_registers.h b/drivers/infiniband/hw/ipath/ipath_registers.h
index 92ad73a..8f44d0c 100644
--- a/drivers/infiniband/hw/ipath/ipath_registers.h
+++ b/drivers/infiniband/hw/ipath/ipath_registers.h
@@ -63,67 +63,92 @@
/* kr_control bits */
#define INFINIPATH_C_FREEZEMODE 0x00000002
#define INFINIPATH_C_LINKENABLE 0x00000004
-#define INFINIPATH_C_RESET 0x00000001
/* kr_sendctrl bits */
#define INFINIPATH_S_DISARMPIOBUF_SHIFT 16
+#define INFINIPATH_S_UPDTHRESH_SHIFT 24
+#define INFINIPATH_S_UPDTHRESH_MASK 0x1f
#define IPATH_S_ABORT 0
#define IPATH_S_PIOINTBUFAVAIL 1
#define IPATH_S_PIOBUFAVAILUPD 2
#define IPATH_S_PIOENABLE 3
+#define IPATH_S_SDMAINTENABLE 9
+#define IPATH_S_SDMASINGLEDESCRIPTOR 10
+#define IPATH_S_SDMAENABLE 11
+#define IPATH_S_SDMAHALT 12
#define IPATH_S_DISARM 31
#define INFINIPATH_S_ABORT (1U << IPATH_S_ABORT)
#define INFINIPATH_S_PIOINTBUFAVAIL (1U << IPATH_S_PIOINTBUFAVAIL)
#define INFINIPATH_S_PIOBUFAVAILUPD (1U << IPATH_S_PIOBUFAVAILUPD)
#define INFINIPATH_S_PIOENABLE (1U << IPATH_S_PIOENABLE)
+#define INFINIPATH_S_SDMAINTENABLE (1U << IPATH_S_SDMAINTENABLE)
+#define INFINIPATH_S_SDMASINGLEDESCRIPTOR \
+ (1U << IPATH_S_SDMASINGLEDESCRIPTOR)
+#define INFINIPATH_S_SDMAENABLE (1U << IPATH_S_SDMAENABLE)
+#define INFINIPATH_S_SDMAHALT (1U << IPATH_S_SDMAHALT)
#define INFINIPATH_S_DISARM (1U << IPATH_S_DISARM)
-/* kr_rcvctrl bits */
+/* kr_rcvctrl bits that are the same on multiple chips */
#define INFINIPATH_R_PORTENABLE_SHIFT 0
#define INFINIPATH_R_QPMAP_ENABLE (1ULL << 38)
/* kr_intstatus, kr_intclear, kr_intmask bits */
-#define INFINIPATH_I_RCVURG_SHIFT 0
-#define INFINIPATH_I_RCVAVAIL_SHIFT 12
-#define INFINIPATH_I_ERROR 0x80000000
-#define INFINIPATH_I_SPIOSENT 0x40000000
-#define INFINIPATH_I_SPIOBUFAVAIL 0x20000000
-#define INFINIPATH_I_GPIO 0x10000000
+#define INFINIPATH_I_SDMAINT 0x8000000000000000ULL
+#define INFINIPATH_I_SDMADISABLED 0x4000000000000000ULL
+#define INFINIPATH_I_ERROR 0x0000000080000000ULL
+#define INFINIPATH_I_SPIOSENT 0x0000000040000000ULL
+#define INFINIPATH_I_SPIOBUFAVAIL 0x0000000020000000ULL
+#define INFINIPATH_I_GPIO 0x0000000010000000ULL
+#define INFINIPATH_I_JINT 0x0000000004000000ULL
/* kr_errorstatus, kr_errorclear, kr_errormask bits */
-#define INFINIPATH_E_RFORMATERR 0x0000000000000001ULL
-#define INFINIPATH_E_RVCRC 0x0000000000000002ULL
-#define INFINIPATH_E_RICRC 0x0000000000000004ULL
-#define INFINIPATH_E_RMINPKTLEN 0x0000000000000008ULL
-#define INFINIPATH_E_RMAXPKTLEN 0x0000000000000010ULL
-#define INFINIPATH_E_RLONGPKTLEN 0x0000000000000020ULL
-#define INFINIPATH_E_RSHORTPKTLEN 0x0000000000000040ULL
-#define INFINIPATH_E_RUNEXPCHAR 0x0000000000000080ULL
-#define INFINIPATH_E_RUNSUPVL 0x0000000000000100ULL
-#define INFINIPATH_E_REBP 0x0000000000000200ULL
-#define INFINIPATH_E_RIBFLOW 0x0000000000000400ULL
-#define INFINIPATH_E_RBADVERSION 0x0000000000000800ULL
-#define INFINIPATH_E_RRCVEGRFULL 0x0000000000001000ULL
-#define INFINIPATH_E_RRCVHDRFULL 0x0000000000002000ULL
-#define INFINIPATH_E_RBADTID 0x0000000000004000ULL
-#define INFINIPATH_E_RHDRLEN 0x0000000000008000ULL
-#define INFINIPATH_E_RHDR 0x0000000000010000ULL
-#define INFINIPATH_E_RIBLOSTLINK 0x0000000000020000ULL
-#define INFINIPATH_E_SMINPKTLEN 0x0000000020000000ULL
-#define INFINIPATH_E_SMAXPKTLEN 0x0000000040000000ULL
-#define INFINIPATH_E_SUNDERRUN 0x0000000080000000ULL
-#define INFINIPATH_E_SPKTLEN 0x0000000100000000ULL
-#define INFINIPATH_E_SDROPPEDSMPPKT 0x0000000200000000ULL
-#define INFINIPATH_E_SDROPPEDDATAPKT 0x0000000400000000ULL
-#define INFINIPATH_E_SPIOARMLAUNCH 0x0000000800000000ULL
-#define INFINIPATH_E_SUNEXPERRPKTNUM 0x0000001000000000ULL
-#define INFINIPATH_E_SUNSUPVL 0x0000002000000000ULL
-#define INFINIPATH_E_IBSTATUSCHANGED 0x0001000000000000ULL
-#define INFINIPATH_E_INVALIDADDR 0x0002000000000000ULL
-#define INFINIPATH_E_RESET 0x0004000000000000ULL
-#define INFINIPATH_E_HARDWARE 0x0008000000000000ULL
+#define INFINIPATH_E_RFORMATERR 0x0000000000000001ULL
+#define INFINIPATH_E_RVCRC 0x0000000000000002ULL
+#define INFINIPATH_E_RICRC 0x0000000000000004ULL
+#define INFINIPATH_E_RMINPKTLEN 0x0000000000000008ULL
+#define INFINIPATH_E_RMAXPKTLEN 0x0000000000000010ULL
+#define INFINIPATH_E_RLONGPKTLEN 0x0000000000000020ULL
+#define INFINIPATH_E_RSHORTPKTLEN 0x0000000000000040ULL
+#define INFINIPATH_E_RUNEXPCHAR 0x0000000000000080ULL
+#define INFINIPATH_E_RUNSUPVL 0x0000000000000100ULL
+#define INFINIPATH_E_REBP 0x0000000000000200ULL
+#define INFINIPATH_E_RIBFLOW 0x0000000000000400ULL
+#define INFINIPATH_E_RBADVERSION 0x0000000000000800ULL
+#define INFINIPATH_E_RRCVEGRFULL 0x0000000000001000ULL
+#define INFINIPATH_E_RRCVHDRFULL 0x0000000000002000ULL
+#define INFINIPATH_E_RBADTID 0x0000000000004000ULL
+#define INFINIPATH_E_RHDRLEN 0x0000000000008000ULL
+#define INFINIPATH_E_RHDR 0x0000000000010000ULL
+#define INFINIPATH_E_RIBLOSTLINK 0x0000000000020000ULL
+#define INFINIPATH_E_SENDSPECIALTRIGGER 0x0000000008000000ULL
+#define INFINIPATH_E_SDMADISABLED 0x0000000010000000ULL
+#define INFINIPATH_E_SMINPKTLEN 0x0000000020000000ULL
+#define INFINIPATH_E_SMAXPKTLEN 0x0000000040000000ULL
+#define INFINIPATH_E_SUNDERRUN 0x0000000080000000ULL
+#define INFINIPATH_E_SPKTLEN 0x0000000100000000ULL
+#define INFINIPATH_E_SDROPPEDSMPPKT 0x0000000200000000ULL
+#define INFINIPATH_E_SDROPPEDDATAPKT 0x0000000400000000ULL
+#define INFINIPATH_E_SPIOARMLAUNCH 0x0000000800000000ULL
+#define INFINIPATH_E_SUNEXPERRPKTNUM 0x0000001000000000ULL
+#define INFINIPATH_E_SUNSUPVL 0x0000002000000000ULL
+#define INFINIPATH_E_SENDBUFMISUSE 0x0000004000000000ULL
+#define INFINIPATH_E_SDMAGENMISMATCH 0x0000008000000000ULL
+#define INFINIPATH_E_SDMAOUTOFBOUND 0x0000010000000000ULL
+#define INFINIPATH_E_SDMATAILOUTOFBOUND 0x0000020000000000ULL
+#define INFINIPATH_E_SDMABASE 0x0000040000000000ULL
+#define INFINIPATH_E_SDMA1STDESC 0x0000080000000000ULL
+#define INFINIPATH_E_SDMARPYTAG 0x0000100000000000ULL
+#define INFINIPATH_E_SDMADWEN 0x0000200000000000ULL
+#define INFINIPATH_E_SDMAMISSINGDW 0x0000400000000000ULL
+#define INFINIPATH_E_SDMAUNEXPDATA 0x0000800000000000ULL
+#define INFINIPATH_E_IBSTATUSCHANGED 0x0001000000000000ULL
+#define INFINIPATH_E_INVALIDADDR 0x0002000000000000ULL
+#define INFINIPATH_E_RESET 0x0004000000000000ULL
+#define INFINIPATH_E_HARDWARE 0x0008000000000000ULL
+#define INFINIPATH_E_SDMADESCADDRMISALIGN 0x0010000000000000ULL
+#define INFINIPATH_E_INVALIDEEPCMD 0x0020000000000000ULL
/*
* this is used to print "common" packet errors only when the
@@ -134,6 +159,17 @@
| INFINIPATH_E_RICRC | INFINIPATH_E_RSHORTPKTLEN \
| INFINIPATH_E_REBP )
+/* Convenience for decoding Send DMA errors */
+#define INFINIPATH_E_SDMAERRS ( \
+ INFINIPATH_E_SDMAGENMISMATCH | INFINIPATH_E_SDMAOUTOFBOUND | \
+ INFINIPATH_E_SDMATAILOUTOFBOUND | INFINIPATH_E_SDMABASE | \
+ INFINIPATH_E_SDMA1STDESC | INFINIPATH_E_SDMARPYTAG | \
+ INFINIPATH_E_SDMADWEN | INFINIPATH_E_SDMAMISSINGDW | \
+ INFINIPATH_E_SDMAUNEXPDATA | \
+ INFINIPATH_E_SDMADESCADDRMISALIGN | \
+ INFINIPATH_E_SDMADISABLED | \
+ INFINIPATH_E_SENDBUFMISUSE)
+
/* kr_hwerrclear, kr_hwerrmask, kr_hwerrstatus, bits */
/* TXEMEMPARITYERR bit 0: PIObuf, 1: PIOpbc, 2: launchfifo
* RXEMEMPARITYERR bit 0: rcvbuf, 1: lookupq, 2: expTID, 3: eagerTID
@@ -158,7 +194,7 @@
#define INFINIPATH_HWE_RXEMEMPARITYERR_HDRINFO 0x40ULL
/* waldo specific -- find the rest in ipath_6110.c */
#define INFINIPATH_HWE_RXDSYNCMEMPARITYERR 0x0000000400000000ULL
-/* monty specific -- find the rest in ipath_6120.c */
+/* 6120/7220 specific -- find the rest in ipath_6120.c and ipath_7220.c */
#define INFINIPATH_HWE_MEMBISTFAILED 0x0040000000000000ULL
/* kr_hwdiagctrl bits */
@@ -185,8 +221,8 @@
#define INFINIPATH_IBCC_LINKINITCMD_SLEEP 3
#define INFINIPATH_IBCC_LINKINITCMD_SHIFT 16
#define INFINIPATH_IBCC_LINKCMD_MASK 0x3ULL
-#define INFINIPATH_IBCC_LINKCMD_DOWN 1 /* move to 0x11 */
-#define INFINIPATH_IBCC_LINKCMD_ARMED 2 /* move to 0x21 */
+#define INFINIPATH_IBCC_LINKCMD_DOWN 1 /* move to 0x11 */
+#define INFINIPATH_IBCC_LINKCMD_ARMED 2 /* move to 0x21 */
#define INFINIPATH_IBCC_LINKCMD_ACTIVE 3 /* move to 0x31 */
#define INFINIPATH_IBCC_LINKCMD_SHIFT 18
#define INFINIPATH_IBCC_MAXPKTLEN_MASK 0x7FFULL
@@ -201,10 +237,9 @@
#define INFINIPATH_IBCC_LINKDOWNDEFAULTSTATE 0x4000000000000000ULL
/* kr_ibcstatus bits */
-#define INFINIPATH_IBCS_LINKTRAININGSTATE_MASK 0xF
#define INFINIPATH_IBCS_LINKTRAININGSTATE_SHIFT 0
#define INFINIPATH_IBCS_LINKSTATE_MASK 0x7
-#define INFINIPATH_IBCS_LINKSTATE_SHIFT 4
+
#define INFINIPATH_IBCS_TXREADY 0x40000000
#define INFINIPATH_IBCS_TXCREDITOK 0x80000000
/* link training states (shift by
@@ -222,30 +257,13 @@
#define INFINIPATH_IBCS_LT_STATE_RECOVERRETRAIN 0x0c
#define INFINIPATH_IBCS_LT_STATE_RECOVERWAITRMT 0x0e
#define INFINIPATH_IBCS_LT_STATE_RECOVERIDLE 0x0f
-/* link state machine states (shift by INFINIPATH_IBCS_LINKSTATE_SHIFT) */
+/* link state machine states (shift by ibcs_ls_shift) */
#define INFINIPATH_IBCS_L_STATE_DOWN 0x0
#define INFINIPATH_IBCS_L_STATE_INIT 0x1
#define INFINIPATH_IBCS_L_STATE_ARM 0x2
#define INFINIPATH_IBCS_L_STATE_ACTIVE 0x3
#define INFINIPATH_IBCS_L_STATE_ACT_DEFER 0x4
-/* combination link status states that we use with some frequency */
-#define IPATH_IBSTATE_MASK ((INFINIPATH_IBCS_LINKTRAININGSTATE_MASK \
- << INFINIPATH_IBCS_LINKTRAININGSTATE_SHIFT) | \
- (INFINIPATH_IBCS_LINKSTATE_MASK \
- <<INFINIPATH_IBCS_LINKSTATE_SHIFT))
-#define IPATH_IBSTATE_INIT ((INFINIPATH_IBCS_L_STATE_INIT \
- << INFINIPATH_IBCS_LINKSTATE_SHIFT) | \
- (INFINIPATH_IBCS_LT_STATE_LINKUP \
- <<INFINIPATH_IBCS_LINKTRAININGSTATE_SHIFT))
-#define IPATH_IBSTATE_ARM ((INFINIPATH_IBCS_L_STATE_ARM \
- << INFINIPATH_IBCS_LINKSTATE_SHIFT) | \
- (INFINIPATH_IBCS_LT_STATE_LINKUP \
- <<INFINIPATH_IBCS_LINKTRAININGSTATE_SHIFT))
-#define IPATH_IBSTATE_ACTIVE ((INFINIPATH_IBCS_L_STATE_ACTIVE \
- << INFINIPATH_IBCS_LINKSTATE_SHIFT) | \
- (INFINIPATH_IBCS_LT_STATE_LINKUP \
- <<INFINIPATH_IBCS_LINKTRAININGSTATE_SHIFT))
/* kr_extstatus bits */
#define INFINIPATH_EXTS_SERDESPLLLOCK 0x1
@@ -286,8 +304,7 @@
/* L1 Power down; use with RXDETECT, Otherwise not used on IB side */
#define INFINIPATH_SERDC0_L1PWR_DN 0xF0ULL
-/* kr_xgxsconfig bits */
-#define INFINIPATH_XGXS_RESET 0x7ULL
+/* common kr_xgxsconfig bits (or safe in all, even if not implemented) */
#define INFINIPATH_XGXS_RX_POL_SHIFT 19
#define INFINIPATH_XGXS_RX_POL_MASK 0xfULL
@@ -417,6 +434,29 @@
ipath_kreg kr_pcieq1serdesconfig0;
ipath_kreg kr_pcieq1serdesconfig1;
ipath_kreg kr_pcieq1serdesstatus;
+ ipath_kreg kr_hrtbt_guid;
+ ipath_kreg kr_ibcddrctrl;
+ ipath_kreg kr_ibcddrstatus;
+ ipath_kreg kr_jintreload;
+
+ /* send dma related regs */
+ ipath_kreg kr_senddmabase;
+ ipath_kreg kr_senddmalengen;
+ ipath_kreg kr_senddmatail;
+ ipath_kreg kr_senddmahead;
+ ipath_kreg kr_senddmaheadaddr;
+ ipath_kreg kr_senddmabufmask0;
+ ipath_kreg kr_senddmabufmask1;
+ ipath_kreg kr_senddmabufmask2;
+ ipath_kreg kr_senddmastatus;
+
+ /* SerDes related regs (IBA7220-only) */
+ ipath_kreg kr_ibserdesctrl;
+ ipath_kreg kr_ib_epbacc;
+ ipath_kreg kr_ib_epbtrans;
+ ipath_kreg kr_pcie_epbacc;
+ ipath_kreg kr_pcie_epbtrans;
+ ipath_kreg kr_ib_ddsrxeq;
};
struct ipath_cregs {
diff --git a/drivers/infiniband/hw/ipath/ipath_ruc.c b/drivers/infiniband/hw/ipath/ipath_ruc.c
index a59bdbd..8ac5c1d 100644
--- a/drivers/infiniband/hw/ipath/ipath_ruc.c
+++ b/drivers/infiniband/hw/ipath/ipath_ruc.c
@@ -310,7 +310,7 @@
switch (wqe->wr.opcode) {
case IB_WR_SEND_WITH_IMM:
wc.wc_flags = IB_WC_WITH_IMM;
- wc.imm_data = wqe->wr.imm_data;
+ wc.imm_data = wqe->wr.ex.imm_data;
/* FALLTHROUGH */
case IB_WR_SEND:
if (!ipath_get_rwqe(qp, 0)) {
@@ -339,7 +339,7 @@
goto err;
}
wc.wc_flags = IB_WC_WITH_IMM;
- wc.imm_data = wqe->wr.imm_data;
+ wc.imm_data = wqe->wr.ex.imm_data;
if (!ipath_get_rwqe(qp, 1))
goto rnr_nak;
/* FALLTHROUGH */
@@ -483,14 +483,16 @@
static void want_buffer(struct ipath_devdata *dd)
{
- unsigned long flags;
+ if (!(dd->ipath_flags & IPATH_HAS_SEND_DMA)) {
+ unsigned long flags;
- spin_lock_irqsave(&dd->ipath_sendctrl_lock, flags);
- dd->ipath_sendctrl |= INFINIPATH_S_PIOINTBUFAVAIL;
- ipath_write_kreg(dd, dd->ipath_kregs->kr_sendctrl,
- dd->ipath_sendctrl);
- ipath_read_kreg64(dd, dd->ipath_kregs->kr_scratch);
- spin_unlock_irqrestore(&dd->ipath_sendctrl_lock, flags);
+ spin_lock_irqsave(&dd->ipath_sendctrl_lock, flags);
+ dd->ipath_sendctrl |= INFINIPATH_S_PIOINTBUFAVAIL;
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_sendctrl,
+ dd->ipath_sendctrl);
+ ipath_read_kreg64(dd, dd->ipath_kregs->kr_scratch);
+ spin_unlock_irqrestore(&dd->ipath_sendctrl_lock, flags);
+ }
}
/**
diff --git a/drivers/infiniband/hw/ipath/ipath_sd7220.c b/drivers/infiniband/hw/ipath/ipath_sd7220.c
new file mode 100644
index 0000000..aa47eb5
--- /dev/null
+++ b/drivers/infiniband/hw/ipath/ipath_sd7220.c
@@ -0,0 +1,1462 @@
+/*
+ * Copyright (c) 2006, 2007, 2008 QLogic Corporation. All rights reserved.
+ * Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses. You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+/*
+ * This file contains all of the code that is specific to the SerDes
+ * on the InfiniPath 7220 chip.
+ */
+
+#include <linux/pci.h>
+#include <linux/delay.h>
+
+#include "ipath_kernel.h"
+#include "ipath_registers.h"
+#include "ipath_7220.h"
+
+/*
+ * The IBSerDesMappTable is a memory that holds values to be stored in
+ * various SerDes registers by IBC. It is not part of the normal kregs
+ * map and is used in exactly one place, hence the #define below.
+ */
+#define KR_IBSerDesMappTable (0x94000 / (sizeof(uint64_t)))
+
+/*
+ * Below used for sdnum parameter, selecting one of the two sections
+ * used for PCIe, or the single SerDes used for IB.
+ */
+#define PCIE_SERDES0 0
+#define PCIE_SERDES1 1
+
+/*
+ * The EPB requires addressing in a particular form. EPB_LOC() is intended
+ * to make #definitions a little more readable.
+ */
+#define EPB_ADDR_SHF 8
+#define EPB_LOC(chn, elt, reg) \
+ (((elt & 0xf) | ((chn & 7) << 4) | ((reg & 0x3f) << 9)) << \
+ EPB_ADDR_SHF)
+#define EPB_IB_QUAD0_CS_SHF (25)
+#define EPB_IB_QUAD0_CS (1U << EPB_IB_QUAD0_CS_SHF)
+#define EPB_IB_UC_CS_SHF (26)
+#define EPB_PCIE_UC_CS_SHF (27)
+#define EPB_GLOBAL_WR (1U << (EPB_ADDR_SHF + 8))
+
+/* Forward declarations. */
+static int ipath_sd7220_reg_mod(struct ipath_devdata *dd, int sdnum, u32 loc,
+ u32 data, u32 mask);
+static int ibsd_mod_allchnls(struct ipath_devdata *dd, int loc, int val,
+ int mask);
+static int ipath_sd_trimdone_poll(struct ipath_devdata *dd);
+static void ipath_sd_trimdone_monitor(struct ipath_devdata *dd,
+ const char *where);
+static int ipath_sd_setvals(struct ipath_devdata *dd);
+static int ipath_sd_early(struct ipath_devdata *dd);
+static int ipath_sd_dactrim(struct ipath_devdata *dd);
+/* Set the registers that IBC may muck with to their default "preset" values */
+int ipath_sd7220_presets(struct ipath_devdata *dd);
+static int ipath_internal_presets(struct ipath_devdata *dd);
+/* Tweak the register (CMUCTRL5) that contains the TRIMSELF controls */
+static int ipath_sd_trimself(struct ipath_devdata *dd, int val);
+static int epb_access(struct ipath_devdata *dd, int sdnum, int claim);
+
+void ipath_set_relock_poll(struct ipath_devdata *dd, int ibup);
+
+/*
+ * Below keeps track of whether the "once per power-on" initialization has
+ * been done, because uC code Version 1.32.17 or higher allows the uC to
+ * be reset at will, and Automatic Equalization may require it. So the
+ * state of the reset "pin", as reflected in was_reset parameter to
+ * ipath_sd7220_init() is no longer valid. Instead, we check for the
+ * actual uC code having been loaded.
+ */
+static int ipath_ibsd_ucode_loaded(struct ipath_devdata *dd)
+{
+ if (!dd->serdes_first_init_done && (ipath_sd7220_ib_vfy(dd) > 0))
+ dd->serdes_first_init_done = 1;
+ return dd->serdes_first_init_done;
+}
+
+/* repeat #define for local use. "Real" #define is in ipath_iba7220.c */
+#define INFINIPATH_HWE_IB_UC_MEMORYPARITYERR 0x0000004000000000ULL
+#define IB_MPREG5 (EPB_LOC(6, 0, 0xE) | (1L << EPB_IB_UC_CS_SHF))
+#define IB_MPREG6 (EPB_LOC(6, 0, 0xF) | (1U << EPB_IB_UC_CS_SHF))
+#define UC_PAR_CLR_D 8
+#define UC_PAR_CLR_M 0xC
+#define IB_CTRL2(chn) (EPB_LOC(chn, 7, 3) | EPB_IB_QUAD0_CS)
+#define START_EQ1(chan) EPB_LOC(chan, 7, 0x27)
+
+void ipath_sd7220_clr_ibpar(struct ipath_devdata *dd)
+{
+ int ret;
+
+ /* clear, then re-enable parity errs */
+ ret = ipath_sd7220_reg_mod(dd, IB_7220_SERDES, IB_MPREG6,
+ UC_PAR_CLR_D, UC_PAR_CLR_M);
+ if (ret < 0) {
+ ipath_dev_err(dd, "Failed clearing IBSerDes Parity err\n");
+ goto bail;
+ }
+ ret = ipath_sd7220_reg_mod(dd, IB_7220_SERDES, IB_MPREG6, 0,
+ UC_PAR_CLR_M);
+
+ ipath_read_kreg32(dd, dd->ipath_kregs->kr_scratch);
+ udelay(4);
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_hwerrclear,
+ INFINIPATH_HWE_IB_UC_MEMORYPARITYERR);
+ ipath_read_kreg32(dd, dd->ipath_kregs->kr_scratch);
+bail:
+ return;
+}
+
+/*
+ * After a reset or other unusual event, the epb interface may need
+ * to be re-synchronized, between the host and the uC.
+ * returns <0 for failure to resync within IBSD_RESYNC_TRIES (not expected)
+ */
+#define IBSD_RESYNC_TRIES 3
+#define IB_PGUDP(chn) (EPB_LOC((chn), 2, 1) | EPB_IB_QUAD0_CS)
+#define IB_CMUDONE(chn) (EPB_LOC((chn), 7, 0xF) | EPB_IB_QUAD0_CS)
+
+static int ipath_resync_ibepb(struct ipath_devdata *dd)
+{
+ int ret, pat, tries, chn;
+ u32 loc;
+
+ ret = -1;
+ chn = 0;
+ for (tries = 0; tries < (4 * IBSD_RESYNC_TRIES); ++tries) {
+ loc = IB_PGUDP(chn);
+ ret = ipath_sd7220_reg_mod(dd, IB_7220_SERDES, loc, 0, 0);
+ if (ret < 0) {
+ ipath_dev_err(dd, "Failed read in resync\n");
+ continue;
+ }
+ if (ret != 0xF0 && ret != 0x55 && tries == 0)
+ ipath_dev_err(dd, "unexpected pattern in resync\n");
+ pat = ret ^ 0xA5; /* alternate F0 and 55 */
+ ret = ipath_sd7220_reg_mod(dd, IB_7220_SERDES, loc, pat, 0xFF);
+ if (ret < 0) {
+ ipath_dev_err(dd, "Failed write in resync\n");
+ continue;
+ }
+ ret = ipath_sd7220_reg_mod(dd, IB_7220_SERDES, loc, 0, 0);
+ if (ret < 0) {
+ ipath_dev_err(dd, "Failed re-read in resync\n");
+ continue;
+ }
+ if (ret != pat) {
+ ipath_dev_err(dd, "Failed compare1 in resync\n");
+ continue;
+ }
+ loc = IB_CMUDONE(chn);
+ ret = ipath_sd7220_reg_mod(dd, IB_7220_SERDES, loc, 0, 0);
+ if (ret < 0) {
+ ipath_dev_err(dd, "Failed CMUDONE rd in resync\n");
+ continue;
+ }
+ if ((ret & 0x70) != ((chn << 4) | 0x40)) {
+ ipath_dev_err(dd, "Bad CMUDONE value %02X, chn %d\n",
+ ret, chn);
+ continue;
+ }
+ if (++chn == 4)
+ break; /* Success */
+ }
+ ipath_cdbg(VERBOSE, "Resync in %d tries\n", tries);
+ return (ret > 0) ? 0 : ret;
+}
+
+/*
+ * Localize the stuff that should be done to change IB uC reset
+ * returns <0 for errors.
+ */
+static int ipath_ibsd_reset(struct ipath_devdata *dd, int assert_rst)
+{
+ u64 rst_val;
+ int ret = 0;
+ unsigned long flags;
+
+ rst_val = ipath_read_kreg64(dd, dd->ipath_kregs->kr_ibserdesctrl);
+ if (assert_rst) {
+ /*
+ * Vendor recommends "interrupting" uC before reset, to
+ * minimize possible glitches.
+ */
+ spin_lock_irqsave(&dd->ipath_sdepb_lock, flags);
+ epb_access(dd, IB_7220_SERDES, 1);
+ rst_val |= 1ULL;
+ /* Squelch possible parity error from _asserting_ reset */
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_hwerrmask,
+ dd->ipath_hwerrmask &
+ ~INFINIPATH_HWE_IB_UC_MEMORYPARITYERR);
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_ibserdesctrl, rst_val);
+ /* flush write, delay to ensure it took effect */
+ ipath_read_kreg32(dd, dd->ipath_kregs->kr_scratch);
+ udelay(2);
+ /* once it's reset, can remove interrupt */
+ epb_access(dd, IB_7220_SERDES, -1);
+ spin_unlock_irqrestore(&dd->ipath_sdepb_lock, flags);
+ } else {
+ /*
+ * Before we de-assert reset, we need to deal with
+ * possible glitch on the Parity-error line.
+ * Suppress it around the reset, both in chip-level
+ * hwerrmask and in IB uC control reg. uC will allow
+ * it again during startup.
+ */
+ u64 val;
+ rst_val &= ~(1ULL);
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_hwerrmask,
+ dd->ipath_hwerrmask &
+ ~INFINIPATH_HWE_IB_UC_MEMORYPARITYERR);
+
+ ret = ipath_resync_ibepb(dd);
+ if (ret < 0)
+ ipath_dev_err(dd, "unable to re-sync IB EPB\n");
+
+ /* set uC control regs to suppress parity errs */
+ ret = ipath_sd7220_reg_mod(dd, IB_7220_SERDES, IB_MPREG5, 1, 1);
+ if (ret < 0)
+ goto bail;
+ /* IB uC code past Version 1.32.17 allow suppression of wdog */
+ ret = ipath_sd7220_reg_mod(dd, IB_7220_SERDES, IB_MPREG6, 0x80,
+ 0x80);
+ if (ret < 0) {
+ ipath_dev_err(dd, "Failed to set WDOG disable\n");
+ goto bail;
+ }
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_ibserdesctrl, rst_val);
+ /* flush write, delay for startup */
+ ipath_read_kreg32(dd, dd->ipath_kregs->kr_scratch);
+ udelay(1);
+ /* clear, then re-enable parity errs */
+ ipath_sd7220_clr_ibpar(dd);
+ val = ipath_read_kreg64(dd, dd->ipath_kregs->kr_hwerrstatus);
+ if (val & INFINIPATH_HWE_IB_UC_MEMORYPARITYERR) {
+ ipath_dev_err(dd, "IBUC Parity still set after RST\n");
+ dd->ipath_hwerrmask &=
+ ~INFINIPATH_HWE_IB_UC_MEMORYPARITYERR;
+ }
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_hwerrmask,
+ dd->ipath_hwerrmask);
+ }
+
+bail:
+ return ret;
+}
+
+static void ipath_sd_trimdone_monitor(struct ipath_devdata *dd,
+ const char *where)
+{
+ int ret, chn, baduns;
+ u64 val;
+
+ if (!where)
+ where = "?";
+
+ /* give time for reset to settle out in EPB */
+ udelay(2);
+
+ ret = ipath_resync_ibepb(dd);
+ if (ret < 0)
+ ipath_dev_err(dd, "not able to re-sync IB EPB (%s)\n", where);
+
+ /* Do "sacrificial read" to get EPB in sane state after reset */
+ ret = ipath_sd7220_reg_mod(dd, IB_7220_SERDES, IB_CTRL2(0), 0, 0);
+ if (ret < 0)
+ ipath_dev_err(dd, "Failed TRIMDONE 1st read, (%s)\n", where);
+
+ /* Check/show "summary" Trim-done bit in IBCStatus */
+ val = ipath_read_kreg64(dd, dd->ipath_kregs->kr_ibcstatus);
+ if (val & (1ULL << 11))
+ ipath_cdbg(VERBOSE, "IBCS TRIMDONE set (%s)\n", where);
+ else
+ ipath_dev_err(dd, "IBCS TRIMDONE clear (%s)\n", where);
+
+ udelay(2);
+
+ ret = ipath_sd7220_reg_mod(dd, IB_7220_SERDES, IB_MPREG6, 0x80, 0x80);
+ if (ret < 0)
+ ipath_dev_err(dd, "Failed Dummy RMW, (%s)\n", where);
+ udelay(10);
+
+ baduns = 0;
+
+ for (chn = 3; chn >= 0; --chn) {
+ /* Read CTRL reg for each channel to check TRIMDONE */
+ ret = ipath_sd7220_reg_mod(dd, IB_7220_SERDES,
+ IB_CTRL2(chn), 0, 0);
+ if (ret < 0)
+ ipath_dev_err(dd, "Failed checking TRIMDONE, chn %d"
+ " (%s)\n", chn, where);
+
+ if (!(ret & 0x10)) {
+ int probe;
+ baduns |= (1 << chn);
+ ipath_dev_err(dd, "TRIMDONE cleared on chn %d (%02X)."
+ " (%s)\n", chn, ret, where);
+ probe = ipath_sd7220_reg_mod(dd, IB_7220_SERDES,
+ IB_PGUDP(0), 0, 0);
+ ipath_dev_err(dd, "probe is %d (%02X)\n",
+ probe, probe);
+ probe = ipath_sd7220_reg_mod(dd, IB_7220_SERDES,
+ IB_CTRL2(chn), 0, 0);
+ ipath_dev_err(dd, "re-read: %d (%02X)\n",
+ probe, probe);
+ ret = ipath_sd7220_reg_mod(dd, IB_7220_SERDES,
+ IB_CTRL2(chn), 0x10, 0x10);
+ if (ret < 0)
+ ipath_dev_err(dd,
+ "Err on TRIMDONE rewrite1\n");
+ }
+ }
+ for (chn = 3; chn >= 0; --chn) {
+ /* Read CTRL reg for each channel to check TRIMDONE */
+ if (baduns & (1 << chn)) {
+ ipath_dev_err(dd,
+ "Reseting TRIMDONE on chn %d (%s)\n",
+ chn, where);
+ ret = ipath_sd7220_reg_mod(dd, IB_7220_SERDES,
+ IB_CTRL2(chn), 0x10, 0x10);
+ if (ret < 0)
+ ipath_dev_err(dd, "Failed re-setting "
+ "TRIMDONE, chn %d (%s)\n",
+ chn, where);
+ }
+ }
+}
+
+/*
+ * Below is portion of IBA7220-specific bringup_serdes() that actually
+ * deals with registers and memory within the SerDes itself.
+ * Post IB uC code version 1.32.17, was_reset being 1 is not really
+ * informative, so we double-check.
+ */
+int ipath_sd7220_init(struct ipath_devdata *dd, int was_reset)
+{
+ int ret = 1; /* default to failure */
+ int first_reset;
+ int val_stat;
+
+ if (!was_reset) {
+ /* entered with reset not asserted, we need to do it */
+ ipath_ibsd_reset(dd, 1);
+ ipath_sd_trimdone_monitor(dd, "Driver-reload");
+ }
+
+ /* Substitute our deduced value for was_reset */
+ ret = ipath_ibsd_ucode_loaded(dd);
+ if (ret < 0) {
+ ret = 1;
+ goto done;
+ }
+ first_reset = !ret; /* First reset if IBSD uCode not yet loaded */
+
+ /*
+ * Alter some regs per vendor latest doc, reset-defaults
+ * are not right for IB.
+ */
+ ret = ipath_sd_early(dd);
+ if (ret < 0) {
+ ipath_dev_err(dd, "Failed to set IB SERDES early defaults\n");
+ ret = 1;
+ goto done;
+ }
+
+ /*
+ * Set DAC manual trim IB.
+ * We only do this once after chip has been reset (usually
+ * same as once per system boot).
+ */
+ if (first_reset) {
+ ret = ipath_sd_dactrim(dd);
+ if (ret < 0) {
+ ipath_dev_err(dd, "Failed IB SERDES DAC trim\n");
+ ret = 1;
+ goto done;
+ }
+ }
+
+ /*
+ * Set various registers (DDS and RXEQ) that will be
+ * controlled by IBC (in 1.2 mode) to reasonable preset values
+ * Calling the "internal" version avoids the "check for needed"
+ * and "trimdone monitor" that might be counter-productive.
+ */
+ ret = ipath_internal_presets(dd);
+ if (ret < 0) {
+ ipath_dev_err(dd, "Failed to set IB SERDES presets\n");
+ ret = 1;
+ goto done;
+ }
+ ret = ipath_sd_trimself(dd, 0x80);
+ if (ret < 0) {
+ ipath_dev_err(dd, "Failed to set IB SERDES TRIMSELF\n");
+ ret = 1;
+ goto done;
+ }
+
+ /* Load image, then try to verify */
+ ret = 0; /* Assume success */
+ if (first_reset) {
+ int vfy;
+ int trim_done;
+ ipath_dbg("SerDes uC was reset, reloading PRAM\n");
+ ret = ipath_sd7220_ib_load(dd);
+ if (ret < 0) {
+ ipath_dev_err(dd, "Failed to load IB SERDES image\n");
+ ret = 1;
+ goto done;
+ }
+
+ /* Loaded image, try to verify */
+ vfy = ipath_sd7220_ib_vfy(dd);
+ if (vfy != ret) {
+ ipath_dev_err(dd, "SERDES PRAM VFY failed\n");
+ ret = 1;
+ goto done;
+ }
+ /*
+ * Loaded and verified. Almost good...
+ * hold "success" in ret
+ */
+ ret = 0;
+
+ /*
+ * Prev steps all worked, continue bringup
+ * De-assert RESET to uC, only in first reset, to allow
+ * trimming.
+ *
+ * Since our default setup sets START_EQ1 to
+ * PRESET, we need to clear that for this very first run.
+ */
+ ret = ibsd_mod_allchnls(dd, START_EQ1(0), 0, 0x38);
+ if (ret < 0) {
+ ipath_dev_err(dd, "Failed clearing START_EQ1\n");
+ ret = 1;
+ goto done;
+ }
+
+ ipath_ibsd_reset(dd, 0);
+ /*
+ * If this is not the first reset, trimdone should be set
+ * already.
+ */
+ trim_done = ipath_sd_trimdone_poll(dd);
+ /*
+ * Whether or not trimdone succeeded, we need to put the
+ * uC back into reset to avoid a possible fight with the
+ * IBC state-machine.
+ */
+ ipath_ibsd_reset(dd, 1);
+
+ if (!trim_done) {
+ ipath_dev_err(dd, "No TRIMDONE seen\n");
+ ret = 1;
+ goto done;
+ }
+
+ ipath_sd_trimdone_monitor(dd, "First-reset");
+ /* Remember so we do not re-do the load, dactrim, etc. */
+ dd->serdes_first_init_done = 1;
+ }
+ /*
+ * Setup for channel training and load values for
+ * RxEq and DDS in tables used by IBC in IB1.2 mode
+ */
+
+ val_stat = ipath_sd_setvals(dd);
+ if (val_stat < 0)
+ ret = 1;
+done:
+ /* start relock timer regardless, but start at 1 second */
+ ipath_set_relock_poll(dd, -1);
+ return ret;
+}
+
+#define EPB_ACC_REQ 1
+#define EPB_ACC_GNT 0x100
+#define EPB_DATA_MASK 0xFF
+#define EPB_RD (1ULL << 24)
+#define EPB_TRANS_RDY (1ULL << 31)
+#define EPB_TRANS_ERR (1ULL << 30)
+#define EPB_TRANS_TRIES 5
+
+/*
+ * query, claim, release ownership of the EPB (External Parallel Bus)
+ * for a specified SERDES.
+ * the "claim" parameter is >0 to claim, <0 to release, 0 to query.
+ * Returns <0 for errors, >0 if we had ownership, else 0.
+ */
+static int epb_access(struct ipath_devdata *dd, int sdnum, int claim)
+{
+ u16 acc;
+ u64 accval;
+ int owned = 0;
+ u64 oct_sel = 0;
+
+ switch (sdnum) {
+ case IB_7220_SERDES :
+ /*
+ * The IB SERDES "ownership" is fairly simple. A single each
+ * request/grant.
+ */
+ acc = dd->ipath_kregs->kr_ib_epbacc;
+ break;
+ case PCIE_SERDES0 :
+ case PCIE_SERDES1 :
+ /* PCIe SERDES has two "octants", need to select which */
+ acc = dd->ipath_kregs->kr_pcie_epbacc;
+ oct_sel = (2 << (sdnum - PCIE_SERDES0));
+ break;
+ default :
+ return 0;
+ }
+
+ /* Make sure any outstanding transaction was seen */
+ ipath_read_kreg32(dd, dd->ipath_kregs->kr_scratch);
+ udelay(15);
+
+ accval = ipath_read_kreg32(dd, acc);
+
+ owned = !!(accval & EPB_ACC_GNT);
+ if (claim < 0) {
+ /* Need to release */
+ u64 pollval;
+ /*
+ * The only writeable bits are the request and CS.
+ * Both should be clear
+ */
+ u64 newval = 0;
+ ipath_write_kreg(dd, acc, newval);
+ /* First read after write is not trustworthy */
+ pollval = ipath_read_kreg32(dd, acc);
+ udelay(5);
+ pollval = ipath_read_kreg32(dd, acc);
+ if (pollval & EPB_ACC_GNT)
+ owned = -1;
+ } else if (claim > 0) {
+ /* Need to claim */
+ u64 pollval;
+ u64 newval = EPB_ACC_REQ | oct_sel;
+ ipath_write_kreg(dd, acc, newval);
+ /* First read after write is not trustworthy */
+ pollval = ipath_read_kreg32(dd, acc);
+ udelay(5);
+ pollval = ipath_read_kreg32(dd, acc);
+ if (!(pollval & EPB_ACC_GNT))
+ owned = -1;
+ }
+ return owned;
+}
+
+/*
+ * Lemma to deal with race condition of write..read to epb regs
+ */
+static int epb_trans(struct ipath_devdata *dd, u16 reg, u64 i_val, u64 *o_vp)
+{
+ int tries;
+ u64 transval;
+
+
+ ipath_write_kreg(dd, reg, i_val);
+ /* Throw away first read, as RDY bit may be stale */
+ transval = ipath_read_kreg64(dd, reg);
+
+ for (tries = EPB_TRANS_TRIES; tries; --tries) {
+ transval = ipath_read_kreg32(dd, reg);
+ if (transval & EPB_TRANS_RDY)
+ break;
+ udelay(5);
+ }
+ if (transval & EPB_TRANS_ERR)
+ return -1;
+ if (tries > 0 && o_vp)
+ *o_vp = transval;
+ return tries;
+}
+
+/**
+ *
+ * ipath_sd7220_reg_mod - modify SERDES register
+ * @dd: the infinipath device
+ * @sdnum: which SERDES to access
+ * @loc: location - channel, element, register, as packed by EPB_LOC() macro.
+ * @wd: Write Data - value to set in register
+ * @mask: ones where data should be spliced into reg.
+ *
+ * Basic register read/modify/write, with un-needed acesses elided. That is,
+ * a mask of zero will prevent write, while a mask of 0xFF will prevent read.
+ * returns current (presumed, if a write was done) contents of selected
+ * register, or <0 if errors.
+ */
+static int ipath_sd7220_reg_mod(struct ipath_devdata *dd, int sdnum, u32 loc,
+ u32 wd, u32 mask)
+{
+ u16 trans;
+ u64 transval;
+ int owned;
+ int tries, ret;
+ unsigned long flags;
+
+ switch (sdnum) {
+ case IB_7220_SERDES :
+ trans = dd->ipath_kregs->kr_ib_epbtrans;
+ break;
+ case PCIE_SERDES0 :
+ case PCIE_SERDES1 :
+ trans = dd->ipath_kregs->kr_pcie_epbtrans;
+ break;
+ default :
+ return -1;
+ }
+
+ /*
+ * All access is locked in software (vs other host threads) and
+ * hardware (vs uC access).
+ */
+ spin_lock_irqsave(&dd->ipath_sdepb_lock, flags);
+
+ owned = epb_access(dd, sdnum, 1);
+ if (owned < 0) {
+ spin_unlock_irqrestore(&dd->ipath_sdepb_lock, flags);
+ return -1;
+ }
+ ret = 0;
+ for (tries = EPB_TRANS_TRIES; tries; --tries) {
+ transval = ipath_read_kreg32(dd, trans);
+ if (transval & EPB_TRANS_RDY)
+ break;
+ udelay(5);
+ }
+
+ if (tries > 0) {
+ tries = 1; /* to make read-skip work */
+ if (mask != 0xFF) {
+ /*
+ * Not a pure write, so need to read.
+ * loc encodes chip-select as well as address
+ */
+ transval = loc | EPB_RD;
+ tries = epb_trans(dd, trans, transval, &transval);
+ }
+ if (tries > 0 && mask != 0) {
+ /*
+ * Not a pure read, so need to write.
+ */
+ wd = (wd & mask) | (transval & ~mask);
+ transval = loc | (wd & EPB_DATA_MASK);
+ tries = epb_trans(dd, trans, transval, &transval);
+ }
+ }
+ /* else, failed to see ready, what error-handling? */
+
+ /*
+ * Release bus. Failure is an error.
+ */
+ if (epb_access(dd, sdnum, -1) < 0)
+ ret = -1;
+ else
+ ret = transval & EPB_DATA_MASK;
+
+ spin_unlock_irqrestore(&dd->ipath_sdepb_lock, flags);
+ if (tries <= 0)
+ ret = -1;
+ return ret;
+}
+
+#define EPB_ROM_R (2)
+#define EPB_ROM_W (1)
+/*
+ * Below, all uC-related, use appropriate UC_CS, depending
+ * on which SerDes is used.
+ */
+#define EPB_UC_CTL EPB_LOC(6, 0, 0)
+#define EPB_MADDRL EPB_LOC(6, 0, 2)
+#define EPB_MADDRH EPB_LOC(6, 0, 3)
+#define EPB_ROMDATA EPB_LOC(6, 0, 4)
+#define EPB_RAMDATA EPB_LOC(6, 0, 5)
+
+/* Transfer date to/from uC Program RAM of IB or PCIe SerDes */
+static int ipath_sd7220_ram_xfer(struct ipath_devdata *dd, int sdnum, u32 loc,
+ u8 *buf, int cnt, int rd_notwr)
+{
+ u16 trans;
+ u64 transval;
+ u64 csbit;
+ int owned;
+ int tries;
+ int sofar;
+ int addr;
+ int ret;
+ unsigned long flags;
+ const char *op;
+
+ /* Pick appropriate transaction reg and "Chip select" for this serdes */
+ switch (sdnum) {
+ case IB_7220_SERDES :
+ csbit = 1ULL << EPB_IB_UC_CS_SHF;
+ trans = dd->ipath_kregs->kr_ib_epbtrans;
+ break;
+ case PCIE_SERDES0 :
+ case PCIE_SERDES1 :
+ /* PCIe SERDES has uC "chip select" in different bit, too */
+ csbit = 1ULL << EPB_PCIE_UC_CS_SHF;
+ trans = dd->ipath_kregs->kr_pcie_epbtrans;
+ break;
+ default :
+ return -1;
+ }
+
+ op = rd_notwr ? "Rd" : "Wr";
+ spin_lock_irqsave(&dd->ipath_sdepb_lock, flags);
+
+ owned = epb_access(dd, sdnum, 1);
+ if (owned < 0) {
+ spin_unlock_irqrestore(&dd->ipath_sdepb_lock, flags);
+ ipath_dbg("Could not get %s access to %s EPB: %X, loc %X\n",
+ op, (sdnum == IB_7220_SERDES) ? "IB" : "PCIe",
+ owned, loc);
+ return -1;
+ }
+
+ /*
+ * In future code, we may need to distinguish several address ranges,
+ * and select various memories based on this. For now, just trim
+ * "loc" (location including address and memory select) to
+ * "addr" (address within memory). we will only support PRAM
+ * The memory is 8KB.
+ */
+ addr = loc & 0x1FFF;
+ for (tries = EPB_TRANS_TRIES; tries; --tries) {
+ transval = ipath_read_kreg32(dd, trans);
+ if (transval & EPB_TRANS_RDY)
+ break;
+ udelay(5);
+ }
+
+ sofar = 0;
+ if (tries <= 0)
+ ipath_dbg("No initial RDY on EPB access request\n");
+ else {
+ /*
+ * Every "memory" access is doubly-indirect.
+ * We set two bytes of address, then read/write
+ * one or mores bytes of data.
+ */
+
+ /* First, we set control to "Read" or "Write" */
+ transval = csbit | EPB_UC_CTL |
+ (rd_notwr ? EPB_ROM_R : EPB_ROM_W);
+ tries = epb_trans(dd, trans, transval, &transval);
+ if (tries <= 0)
+ ipath_dbg("No EPB response to uC %s cmd\n", op);
+ while (tries > 0 && sofar < cnt) {
+ if (!sofar) {
+ /* Only set address at start of chunk */
+ int addrbyte = (addr + sofar) >> 8;
+ transval = csbit | EPB_MADDRH | addrbyte;
+ tries = epb_trans(dd, trans, transval,
+ &transval);
+ if (tries <= 0) {
+ ipath_dbg("No EPB response ADDRH\n");
+ break;
+ }
+ addrbyte = (addr + sofar) & 0xFF;
+ transval = csbit | EPB_MADDRL | addrbyte;
+ tries = epb_trans(dd, trans, transval,
+ &transval);
+ if (tries <= 0) {
+ ipath_dbg("No EPB response ADDRL\n");
+ break;
+ }
+ }
+
+ if (rd_notwr)
+ transval = csbit | EPB_ROMDATA | EPB_RD;
+ else
+ transval = csbit | EPB_ROMDATA | buf[sofar];
+ tries = epb_trans(dd, trans, transval, &transval);
+ if (tries <= 0) {
+ ipath_dbg("No EPB response DATA\n");
+ break;
+ }
+ if (rd_notwr)
+ buf[sofar] = transval & EPB_DATA_MASK;
+ ++sofar;
+ }
+ /* Finally, clear control-bit for Read or Write */
+ transval = csbit | EPB_UC_CTL;
+ tries = epb_trans(dd, trans, transval, &transval);
+ if (tries <= 0)
+ ipath_dbg("No EPB response to drop of uC %s cmd\n", op);
+ }
+
+ ret = sofar;
+ /* Release bus. Failure is an error */
+ if (epb_access(dd, sdnum, -1) < 0)
+ ret = -1;
+
+ spin_unlock_irqrestore(&dd->ipath_sdepb_lock, flags);
+ if (tries <= 0) {
+ ipath_dbg("SERDES PRAM %s failed after %d bytes\n", op, sofar);
+ ret = -1;
+ }
+ return ret;
+}
+
+#define PROG_CHUNK 64
+
+int ipath_sd7220_prog_ld(struct ipath_devdata *dd, int sdnum,
+ u8 *img, int len, int offset)
+{
+ int cnt, sofar, req;
+
+ sofar = 0;
+ while (sofar < len) {
+ req = len - sofar;
+ if (req > PROG_CHUNK)
+ req = PROG_CHUNK;
+ cnt = ipath_sd7220_ram_xfer(dd, sdnum, offset + sofar,
+ img + sofar, req, 0);
+ if (cnt < req) {
+ sofar = -1;
+ break;
+ }
+ sofar += req;
+ }
+ return sofar;
+}
+
+#define VFY_CHUNK 64
+#define SD_PRAM_ERROR_LIMIT 42
+
+int ipath_sd7220_prog_vfy(struct ipath_devdata *dd, int sdnum,
+ const u8 *img, int len, int offset)
+{
+ int cnt, sofar, req, idx, errors;
+ unsigned char readback[VFY_CHUNK];
+
+ errors = 0;
+ sofar = 0;
+ while (sofar < len) {
+ req = len - sofar;
+ if (req > VFY_CHUNK)
+ req = VFY_CHUNK;
+ cnt = ipath_sd7220_ram_xfer(dd, sdnum, sofar + offset,
+ readback, req, 1);
+ if (cnt < req) {
+ /* failed in read itself */
+ sofar = -1;
+ break;
+ }
+ for (idx = 0; idx < cnt; ++idx) {
+ if (readback[idx] != img[idx+sofar])
+ ++errors;
+ }
+ sofar += cnt;
+ }
+ return errors ? -errors : sofar;
+}
+
+/* IRQ not set up at this point in init, so we poll. */
+#define IB_SERDES_TRIM_DONE (1ULL << 11)
+#define TRIM_TMO (30)
+
+static int ipath_sd_trimdone_poll(struct ipath_devdata *dd)
+{
+ int trim_tmo, ret;
+ uint64_t val;
+
+ /*
+ * Default to failure, so IBC will not start
+ * without IB_SERDES_TRIM_DONE.
+ */
+ ret = 0;
+ for (trim_tmo = 0; trim_tmo < TRIM_TMO; ++trim_tmo) {
+ val = ipath_read_kreg64(dd, dd->ipath_kregs->kr_ibcstatus);
+ if (val & IB_SERDES_TRIM_DONE) {
+ ipath_cdbg(VERBOSE, "TRIMDONE after %d\n", trim_tmo);
+ ret = 1;
+ break;
+ }
+ msleep(10);
+ }
+ if (trim_tmo >= TRIM_TMO) {
+ ipath_dev_err(dd, "No TRIMDONE in %d tries\n", trim_tmo);
+ ret = 0;
+ }
+ return ret;
+}
+
+#define TX_FAST_ELT (9)
+
+/*
+ * Set the "negotiation" values for SERDES. These are used by the IB1.2
+ * link negotiation. Macros below are attempt to keep the values a
+ * little more human-editable.
+ * First, values related to Drive De-emphasis Settings.
+ */
+
+#define NUM_DDS_REGS 6
+#define DDS_REG_MAP 0x76A910 /* LSB-first list of regs (in elt 9) to mod */
+
+#define DDS_VAL(amp_d, main_d, ipst_d, ipre_d, amp_s, main_s, ipst_s, ipre_s) \
+ { { ((amp_d & 0x1F) << 1) | 1, ((amp_s & 0x1F) << 1) | 1, \
+ (main_d << 3) | 4 | (ipre_d >> 2), \
+ (main_s << 3) | 4 | (ipre_s >> 2), \
+ ((ipst_d & 0xF) << 1) | ((ipre_d & 3) << 6) | 0x21, \
+ ((ipst_s & 0xF) << 1) | ((ipre_s & 3) << 6) | 0x21 } }
+
+static struct dds_init {
+ uint8_t reg_vals[NUM_DDS_REGS];
+} dds_init_vals[] = {
+ /* DDR(FDR) SDR(HDR) */
+ /* Vendor recommends below for 3m cable */
+#define DDS_3M 0
+ DDS_VAL(31, 19, 12, 0, 29, 22, 9, 0),
+ DDS_VAL(31, 12, 15, 4, 31, 15, 15, 1),
+ DDS_VAL(31, 13, 15, 3, 31, 16, 15, 0),
+ DDS_VAL(31, 14, 15, 2, 31, 17, 14, 0),
+ DDS_VAL(31, 15, 15, 1, 31, 18, 13, 0),
+ DDS_VAL(31, 16, 15, 0, 31, 19, 12, 0),
+ DDS_VAL(31, 17, 14, 0, 31, 20, 11, 0),
+ DDS_VAL(31, 18, 13, 0, 30, 21, 10, 0),
+ DDS_VAL(31, 20, 11, 0, 28, 23, 8, 0),
+ DDS_VAL(31, 21, 10, 0, 27, 24, 7, 0),
+ DDS_VAL(31, 22, 9, 0, 26, 25, 6, 0),
+ DDS_VAL(30, 23, 8, 0, 25, 26, 5, 0),
+ DDS_VAL(29, 24, 7, 0, 23, 27, 4, 0),
+ /* Vendor recommends below for 1m cable */
+#define DDS_1M 13
+ DDS_VAL(28, 25, 6, 0, 21, 28, 3, 0),
+ DDS_VAL(27, 26, 5, 0, 19, 29, 2, 0),
+ DDS_VAL(25, 27, 4, 0, 17, 30, 1, 0)
+};
+
+/*
+ * Next, values related to Receive Equalization.
+ * In comments, FDR (Full) is IB DDR, HDR (Half) is IB SDR
+ */
+/* Hardware packs an element number and register address thus: */
+#define RXEQ_INIT_RDESC(elt, addr) (((elt) & 0xF) | ((addr) << 4))
+#define RXEQ_VAL(elt, adr, val0, val1, val2, val3) \
+ {RXEQ_INIT_RDESC((elt), (adr)), {(val0), (val1), (val2), (val3)} }
+
+#define RXEQ_VAL_ALL(elt, adr, val) \
+ {RXEQ_INIT_RDESC((elt), (adr)), {(val), (val), (val), (val)} }
+
+#define RXEQ_SDR_DFELTH 0
+#define RXEQ_SDR_TLTH 0
+#define RXEQ_SDR_G1CNT_Z1CNT 0x11
+#define RXEQ_SDR_ZCNT 23
+
+static struct rxeq_init {
+ u16 rdesc; /* in form used in SerDesDDSRXEQ */
+ u8 rdata[4];
+} rxeq_init_vals[] = {
+ /* Set Rcv Eq. to Preset node */
+ RXEQ_VAL_ALL(7, 0x27, 0x10),
+ /* Set DFELTHFDR/HDR thresholds */
+ RXEQ_VAL(7, 8, 0, 0, 0, 0), /* FDR */
+ RXEQ_VAL(7, 0x21, 0, 0, 0, 0), /* HDR */
+ /* Set TLTHFDR/HDR theshold */
+ RXEQ_VAL(7, 9, 2, 2, 2, 2), /* FDR */
+ RXEQ_VAL(7, 0x23, 2, 2, 2, 2), /* HDR */
+ /* Set Preamp setting 2 (ZFR/ZCNT) */
+ RXEQ_VAL(7, 0x1B, 12, 12, 12, 12), /* FDR */
+ RXEQ_VAL(7, 0x1C, 12, 12, 12, 12), /* HDR */
+ /* Set Preamp DC gain and Setting 1 (GFR/GHR) */
+ RXEQ_VAL(7, 0x1E, 0x10, 0x10, 0x10, 0x10), /* FDR */
+ RXEQ_VAL(7, 0x1F, 0x10, 0x10, 0x10, 0x10), /* HDR */
+ /* Toggle RELOCK (in VCDL_CTRL0) to lock to data */
+ RXEQ_VAL_ALL(6, 6, 0x20), /* Set D5 High */
+ RXEQ_VAL_ALL(6, 6, 0), /* Set D5 Low */
+};
+
+/* There are 17 values from vendor, but IBC only accesses the first 16 */
+#define DDS_ROWS (16)
+#define RXEQ_ROWS ARRAY_SIZE(rxeq_init_vals)
+
+static int ipath_sd_setvals(struct ipath_devdata *dd)
+{
+ int idx, midx;
+ int min_idx; /* Minimum index for this portion of table */
+ uint32_t dds_reg_map;
+ u64 __iomem *taddr, *iaddr;
+ uint64_t data;
+ uint64_t sdctl;
+
+ taddr = dd->ipath_kregbase + KR_IBSerDesMappTable;
+ iaddr = dd->ipath_kregbase + dd->ipath_kregs->kr_ib_ddsrxeq;
+
+ /*
+ * Init the DDS section of the table.
+ * Each "row" of the table provokes NUM_DDS_REG writes, to the
+ * registers indicated in DDS_REG_MAP.
+ */
+ sdctl = ipath_read_kreg64(dd, dd->ipath_kregs->kr_ibserdesctrl);
+ sdctl = (sdctl & ~(0x1f << 8)) | (NUM_DDS_REGS << 8);
+ sdctl = (sdctl & ~(0x1f << 13)) | (RXEQ_ROWS << 13);
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_ibserdesctrl, sdctl);
+
+ /*
+ * Iterate down table within loop for each register to store.
+ */
+ dds_reg_map = DDS_REG_MAP;
+ for (idx = 0; idx < NUM_DDS_REGS; ++idx) {
+ data = ((dds_reg_map & 0xF) << 4) | TX_FAST_ELT;
+ writeq(data, iaddr + idx);
+ mmiowb();
+ ipath_read_kreg32(dd, dd->ipath_kregs->kr_scratch);
+ dds_reg_map >>= 4;
+ for (midx = 0; midx < DDS_ROWS; ++midx) {
+ u64 __iomem *daddr = taddr + ((midx << 4) + idx);
+ data = dds_init_vals[midx].reg_vals[idx];
+ writeq(data, daddr);
+ mmiowb();
+ ipath_read_kreg32(dd, dd->ipath_kregs->kr_scratch);
+ } /* End inner for (vals for this reg, each row) */
+ } /* end outer for (regs to be stored) */
+
+ /*
+ * Init the RXEQ section of the table. As explained above the table
+ * rxeq_init_vals[], this runs in a different order, as the pattern
+ * of register references is more complex, but there are only
+ * four "data" values per register.
+ */
+ min_idx = idx; /* RXEQ indices pick up where DDS left off */
+ taddr += 0x100; /* RXEQ data is in second half of table */
+ /* Iterate through RXEQ register addresses */
+ for (idx = 0; idx < RXEQ_ROWS; ++idx) {
+ int didx; /* "destination" */
+ int vidx;
+
+ /* didx is offset by min_idx to address RXEQ range of regs */
+ didx = idx + min_idx;
+ /* Store the next RXEQ register address */
+ writeq(rxeq_init_vals[idx].rdesc, iaddr + didx);
+ mmiowb();
+ ipath_read_kreg32(dd, dd->ipath_kregs->kr_scratch);
+ /* Iterate through RXEQ values */
+ for (vidx = 0; vidx < 4; vidx++) {
+ data = rxeq_init_vals[idx].rdata[vidx];
+ writeq(data, taddr + (vidx << 6) + idx);
+ mmiowb();
+ ipath_read_kreg32(dd, dd->ipath_kregs->kr_scratch);
+ }
+ } /* end outer for (Reg-writes for RXEQ) */
+ return 0;
+}
+
+#define CMUCTRL5 EPB_LOC(7, 0, 0x15)
+#define RXHSCTRL0(chan) EPB_LOC(chan, 6, 0)
+#define VCDL_DAC2(chan) EPB_LOC(chan, 6, 5)
+#define VCDL_CTRL0(chan) EPB_LOC(chan, 6, 6)
+#define VCDL_CTRL2(chan) EPB_LOC(chan, 6, 8)
+#define START_EQ2(chan) EPB_LOC(chan, 7, 0x28)
+
+static int ibsd_sto_noisy(struct ipath_devdata *dd, int loc, int val, int mask)
+{
+ int ret = -1;
+ int sloc; /* shifted loc, for messages */
+
+ loc |= (1U << EPB_IB_QUAD0_CS_SHF);
+ sloc = loc >> EPB_ADDR_SHF;
+
+ ret = ipath_sd7220_reg_mod(dd, IB_7220_SERDES, loc, val, mask);
+ if (ret < 0)
+ ipath_dev_err(dd, "Write failed: elt %d,"
+ " addr 0x%X, chnl %d, val 0x%02X, mask 0x%02X\n",
+ (sloc & 0xF), (sloc >> 9) & 0x3f, (sloc >> 4) & 7,
+ val & 0xFF, mask & 0xFF);
+ return ret;
+}
+
+/*
+ * Repeat a "store" across all channels of the IB SerDes.
+ * Although nominally it inherits the "read value" of the last
+ * channel it modified, the only really useful return is <0 for
+ * failure, >= 0 for success. The parameter 'loc' is assumed to
+ * be the location for the channel-0 copy of the register to
+ * be modified.
+ */
+static int ibsd_mod_allchnls(struct ipath_devdata *dd, int loc, int val,
+ int mask)
+{
+ int ret = -1;
+ int chnl;
+
+ if (loc & EPB_GLOBAL_WR) {
+ /*
+ * Our caller has assured us that we can set all four
+ * channels at once. Trust that. If mask is not 0xFF,
+ * we will read the _specified_ channel for our starting
+ * value.
+ */
+ loc |= (1U << EPB_IB_QUAD0_CS_SHF);
+ chnl = (loc >> (4 + EPB_ADDR_SHF)) & 7;
+ if (mask != 0xFF) {
+ ret = ipath_sd7220_reg_mod(dd, IB_7220_SERDES,
+ loc & ~EPB_GLOBAL_WR, 0, 0);
+ if (ret < 0) {
+ int sloc = loc >> EPB_ADDR_SHF;
+ ipath_dev_err(dd, "pre-read failed: elt %d,"
+ " addr 0x%X, chnl %d\n", (sloc & 0xF),
+ (sloc >> 9) & 0x3f, chnl);
+ return ret;
+ }
+ val = (ret & ~mask) | (val & mask);
+ }
+ loc &= ~(7 << (4+EPB_ADDR_SHF));
+ ret = ipath_sd7220_reg_mod(dd, IB_7220_SERDES, loc, val, 0xFF);
+ if (ret < 0) {
+ int sloc = loc >> EPB_ADDR_SHF;
+ ipath_dev_err(dd, "Global WR failed: elt %d,"
+ " addr 0x%X, val %02X\n",
+ (sloc & 0xF), (sloc >> 9) & 0x3f, val);
+ }
+ return ret;
+ }
+ /* Clear "channel" and set CS so we can simply iterate */
+ loc &= ~(7 << (4+EPB_ADDR_SHF));
+ loc |= (1U << EPB_IB_QUAD0_CS_SHF);
+ for (chnl = 0; chnl < 4; ++chnl) {
+ int cloc;
+ cloc = loc | (chnl << (4+EPB_ADDR_SHF));
+ ret = ipath_sd7220_reg_mod(dd, IB_7220_SERDES, cloc, val, mask);
+ if (ret < 0) {
+ int sloc = loc >> EPB_ADDR_SHF;
+ ipath_dev_err(dd, "Write failed: elt %d,"
+ " addr 0x%X, chnl %d, val 0x%02X,"
+ " mask 0x%02X\n",
+ (sloc & 0xF), (sloc >> 9) & 0x3f, chnl,
+ val & 0xFF, mask & 0xFF);
+ break;
+ }
+ }
+ return ret;
+}
+
+/*
+ * Set the Tx values normally modified by IBC in IB1.2 mode to default
+ * values, as gotten from first row of init table.
+ */
+static int set_dds_vals(struct ipath_devdata *dd, struct dds_init *ddi)
+{
+ int ret;
+ int idx, reg, data;
+ uint32_t regmap;
+
+ regmap = DDS_REG_MAP;
+ for (idx = 0; idx < NUM_DDS_REGS; ++idx) {
+ reg = (regmap & 0xF);
+ regmap >>= 4;
+ data = ddi->reg_vals[idx];
+ /* Vendor says RMW not needed for these regs, use 0xFF mask */
+ ret = ibsd_mod_allchnls(dd, EPB_LOC(0, 9, reg), data, 0xFF);
+ if (ret < 0)
+ break;
+ }
+ return ret;
+}
+
+/*
+ * Set the Rx values normally modified by IBC in IB1.2 mode to default
+ * values, as gotten from selected column of init table.
+ */
+static int set_rxeq_vals(struct ipath_devdata *dd, int vsel)
+{
+ int ret;
+ int ridx;
+ int cnt = ARRAY_SIZE(rxeq_init_vals);
+
+ for (ridx = 0; ridx < cnt; ++ridx) {
+ int elt, reg, val, loc;
+ elt = rxeq_init_vals[ridx].rdesc & 0xF;
+ reg = rxeq_init_vals[ridx].rdesc >> 4;
+ loc = EPB_LOC(0, elt, reg);
+ val = rxeq_init_vals[ridx].rdata[vsel];
+ /* mask of 0xFF, because hardware does full-byte store. */
+ ret = ibsd_mod_allchnls(dd, loc, val, 0xFF);
+ if (ret < 0)
+ break;
+ }
+ return ret;
+}
+
+/*
+ * Set the default values (row 0) for DDR Driver Demphasis.
+ * we do this initially and whenever we turn off IB-1.2
+ * The "default" values for Rx equalization are also stored to
+ * SerDes registers. Formerly (and still default), we used set 2.
+ * For experimenting with cables and link-partners, we allow changing
+ * that via a module parameter.
+ */
+static unsigned ipath_rxeq_set = 2;
+module_param_named(rxeq_default_set, ipath_rxeq_set, uint,
+ S_IWUSR | S_IRUGO);
+MODULE_PARM_DESC(rxeq_default_set,
+ "Which set [0..3] of Rx Equalization values is default");
+
+static int ipath_internal_presets(struct ipath_devdata *dd)
+{
+ int ret = 0;
+
+ ret = set_dds_vals(dd, dds_init_vals + DDS_3M);
+
+ if (ret < 0)
+ ipath_dev_err(dd, "Failed to set default DDS values\n");
+ ret = set_rxeq_vals(dd, ipath_rxeq_set & 3);
+ if (ret < 0)
+ ipath_dev_err(dd, "Failed to set default RXEQ values\n");
+ return ret;
+}
+
+int ipath_sd7220_presets(struct ipath_devdata *dd)
+{
+ int ret = 0;
+
+ if (!dd->ipath_presets_needed)
+ return ret;
+ dd->ipath_presets_needed = 0;
+ /* Assert uC reset, so we don't clash with it. */
+ ipath_ibsd_reset(dd, 1);
+ udelay(2);
+ ipath_sd_trimdone_monitor(dd, "link-down");
+
+ ret = ipath_internal_presets(dd);
+return ret;
+}
+
+static int ipath_sd_trimself(struct ipath_devdata *dd, int val)
+{
+ return ibsd_sto_noisy(dd, CMUCTRL5, val, 0xFF);
+}
+
+static int ipath_sd_early(struct ipath_devdata *dd)
+{
+ int ret = -1; /* Default failed */
+ int chnl;
+
+ for (chnl = 0; chnl < 4; ++chnl) {
+ ret = ibsd_sto_noisy(dd, RXHSCTRL0(chnl), 0xD4, 0xFF);
+ if (ret < 0)
+ goto bail;
+ }
+ for (chnl = 0; chnl < 4; ++chnl) {
+ ret = ibsd_sto_noisy(dd, VCDL_DAC2(chnl), 0x2D, 0xFF);
+ if (ret < 0)
+ goto bail;
+ }
+ /* more fine-tuning of what will be default */
+ for (chnl = 0; chnl < 4; ++chnl) {
+ ret = ibsd_sto_noisy(dd, VCDL_CTRL2(chnl), 3, 0xF);
+ if (ret < 0)
+ goto bail;
+ }
+ for (chnl = 0; chnl < 4; ++chnl) {
+ ret = ibsd_sto_noisy(dd, START_EQ1(chnl), 0x10, 0xFF);
+ if (ret < 0)
+ goto bail;
+ }
+ for (chnl = 0; chnl < 4; ++chnl) {
+ ret = ibsd_sto_noisy(dd, START_EQ2(chnl), 0x30, 0xFF);
+ if (ret < 0)
+ goto bail;
+ }
+bail:
+ return ret;
+}
+
+#define BACTRL(chnl) EPB_LOC(chnl, 6, 0x0E)
+#define LDOUTCTRL1(chnl) EPB_LOC(chnl, 7, 6)
+#define RXHSSTATUS(chnl) EPB_LOC(chnl, 6, 0xF)
+
+static int ipath_sd_dactrim(struct ipath_devdata *dd)
+{
+ int ret = -1; /* Default failed */
+ int chnl;
+
+ for (chnl = 0; chnl < 4; ++chnl) {
+ ret = ibsd_sto_noisy(dd, BACTRL(chnl), 0x40, 0xFF);
+ if (ret < 0)
+ goto bail;
+ }
+ for (chnl = 0; chnl < 4; ++chnl) {
+ ret = ibsd_sto_noisy(dd, LDOUTCTRL1(chnl), 0x04, 0xFF);
+ if (ret < 0)
+ goto bail;
+ }
+ for (chnl = 0; chnl < 4; ++chnl) {
+ ret = ibsd_sto_noisy(dd, RXHSSTATUS(chnl), 0x04, 0xFF);
+ if (ret < 0)
+ goto bail;
+ }
+ /*
+ * delay for max possible number of steps, with slop.
+ * Each step is about 4usec.
+ */
+ udelay(415);
+ for (chnl = 0; chnl < 4; ++chnl) {
+ ret = ibsd_sto_noisy(dd, LDOUTCTRL1(chnl), 0x00, 0xFF);
+ if (ret < 0)
+ goto bail;
+ }
+bail:
+ return ret;
+}
+
+#define RELOCK_FIRST_MS 3
+#define RXLSPPM(chan) EPB_LOC(chan, 0, 2)
+void ipath_toggle_rclkrls(struct ipath_devdata *dd)
+{
+ int loc = RXLSPPM(0) | EPB_GLOBAL_WR;
+ int ret;
+
+ ret = ibsd_mod_allchnls(dd, loc, 0, 0x80);
+ if (ret < 0)
+ ipath_dev_err(dd, "RCLKRLS failed to clear D7\n");
+ else {
+ udelay(1);
+ ibsd_mod_allchnls(dd, loc, 0x80, 0x80);
+ }
+ /* And again for good measure */
+ udelay(1);
+ ret = ibsd_mod_allchnls(dd, loc, 0, 0x80);
+ if (ret < 0)
+ ipath_dev_err(dd, "RCLKRLS failed to clear D7\n");
+ else {
+ udelay(1);
+ ibsd_mod_allchnls(dd, loc, 0x80, 0x80);
+ }
+ /* Now reset xgxs and IBC to complete the recovery */
+ dd->ipath_f_xgxs_reset(dd);
+}
+
+/*
+ * Shut down the timer that polls for relock occasions, if needed
+ * this is "hooked" from ipath_7220_quiet_serdes(), which is called
+ * just before ipath_shutdown_device() in ipath_driver.c shuts down all
+ * the other timers
+ */
+void ipath_shutdown_relock_poll(struct ipath_devdata *dd)
+{
+ struct ipath_relock *irp = &dd->ipath_relock_singleton;
+ if (atomic_read(&irp->ipath_relock_timer_active)) {
+ del_timer_sync(&irp->ipath_relock_timer);
+ atomic_set(&irp->ipath_relock_timer_active, 0);
+ }
+}
+
+static unsigned ipath_relock_by_timer = 1;
+module_param_named(relock_by_timer, ipath_relock_by_timer, uint,
+ S_IWUSR | S_IRUGO);
+MODULE_PARM_DESC(relock_by_timer, "Allow relock attempt if link not up");
+
+static void ipath_run_relock(unsigned long opaque)
+{
+ struct ipath_devdata *dd = (struct ipath_devdata *)opaque;
+ struct ipath_relock *irp = &dd->ipath_relock_singleton;
+ u64 val, ltstate;
+
+ if (!(dd->ipath_flags & IPATH_INITTED)) {
+ /* Not yet up, just reenable the timer for later */
+ irp->ipath_relock_interval = HZ;
+ mod_timer(&irp->ipath_relock_timer, jiffies + HZ);
+ return;
+ }
+
+ /*
+ * Check link-training state for "stuck" state.
+ * if found, try relock and schedule another try at
+ * exponentially growing delay, maxed at one second.
+ * if not stuck, our work is done.
+ */
+ val = ipath_read_kreg64(dd, dd->ipath_kregs->kr_ibcstatus);
+ ltstate = ipath_ib_linktrstate(dd, val);
+
+ if (ltstate <= INFINIPATH_IBCS_LT_STATE_CFGWAITRMT
+ && ltstate != INFINIPATH_IBCS_LT_STATE_LINKUP) {
+ int timeoff;
+ /* Not up yet. Try again, if allowed by module-param */
+ if (ipath_relock_by_timer) {
+ if (dd->ipath_flags & IPATH_IB_AUTONEG_INPROG)
+ ipath_cdbg(VERBOSE, "Skip RELOCK in AUTONEG\n");
+ else if (!(dd->ipath_flags & IPATH_IB_LINK_DISABLED)) {
+ ipath_cdbg(VERBOSE, "RELOCK\n");
+ ipath_toggle_rclkrls(dd);
+ }
+ }
+ /* re-set timer for next check */
+ timeoff = irp->ipath_relock_interval << 1;
+ if (timeoff > HZ)
+ timeoff = HZ;
+ irp->ipath_relock_interval = timeoff;
+
+ mod_timer(&irp->ipath_relock_timer, jiffies + timeoff);
+ } else {
+ /* Up, so no more need to check so often */
+ mod_timer(&irp->ipath_relock_timer, jiffies + HZ);
+ }
+}
+
+void ipath_set_relock_poll(struct ipath_devdata *dd, int ibup)
+{
+ struct ipath_relock *irp = &dd->ipath_relock_singleton;
+
+ if (ibup > 0) {
+ /* we are now up, so relax timer to 1 second interval */
+ if (atomic_read(&irp->ipath_relock_timer_active))
+ mod_timer(&irp->ipath_relock_timer, jiffies + HZ);
+ } else {
+ /* Transition to down, (re-)set timer to short interval. */
+ int timeout;
+ timeout = (HZ * ((ibup == -1) ? 1000 : RELOCK_FIRST_MS))/1000;
+ if (timeout == 0)
+ timeout = 1;
+ /* If timer has not yet been started, do so. */
+ if (atomic_inc_return(&irp->ipath_relock_timer_active) == 1) {
+ init_timer(&irp->ipath_relock_timer);
+ irp->ipath_relock_timer.function = ipath_run_relock;
+ irp->ipath_relock_timer.data = (unsigned long) dd;
+ irp->ipath_relock_interval = timeout;
+ irp->ipath_relock_timer.expires = jiffies + timeout;
+ add_timer(&irp->ipath_relock_timer);
+ } else {
+ irp->ipath_relock_interval = timeout;
+ mod_timer(&irp->ipath_relock_timer, jiffies + timeout);
+ atomic_dec(&irp->ipath_relock_timer_active);
+ }
+ }
+}
+
diff --git a/drivers/infiniband/hw/ipath/ipath_sd7220_img.c b/drivers/infiniband/hw/ipath/ipath_sd7220_img.c
new file mode 100644
index 0000000..5ef59da
--- /dev/null
+++ b/drivers/infiniband/hw/ipath/ipath_sd7220_img.c
@@ -0,0 +1,1082 @@
+/*
+ * Copyright (c) 2007, 2008 QLogic Corporation. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses. You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+/*
+ * This file contains the memory image from the vendor, to be copied into
+ * the IB SERDES of the IBA7220 during initialization.
+ * The file also includes the two functions which use this image.
+ */
+#include <linux/pci.h>
+#include <linux/delay.h>
+
+#include "ipath_kernel.h"
+#include "ipath_registers.h"
+#include "ipath_7220.h"
+
+static unsigned char ipath_sd7220_ib_img[] = {
+/*0000*/0x02, 0x0A, 0x29, 0x02, 0x0A, 0x87, 0xE5, 0xE6,
+ 0x30, 0xE6, 0x04, 0x7F, 0x01, 0x80, 0x02, 0x7F,
+/*0010*/0x00, 0xE5, 0xE2, 0x30, 0xE4, 0x04, 0x7E, 0x01,
+ 0x80, 0x02, 0x7E, 0x00, 0xEE, 0x5F, 0x60, 0x08,
+/*0020*/0x53, 0xF9, 0xF7, 0xE4, 0xF5, 0xFE, 0x80, 0x08,
+ 0x7F, 0x0A, 0x12, 0x17, 0x31, 0x12, 0x0E, 0xA2,
+/*0030*/0x75, 0xFC, 0x08, 0xE4, 0xF5, 0xFD, 0xE5, 0xE7,
+ 0x20, 0xE7, 0x03, 0x43, 0xF9, 0x08, 0x22, 0x00,
+/*0040*/0x01, 0x20, 0x11, 0x00, 0x04, 0x20, 0x00, 0x75,
+ 0x51, 0x01, 0xE4, 0xF5, 0x52, 0xF5, 0x53, 0xF5,
+/*0050*/0x52, 0xF5, 0x7E, 0x7F, 0x04, 0x02, 0x04, 0x38,
+ 0xC2, 0x36, 0x05, 0x52, 0xE5, 0x52, 0xD3, 0x94,
+/*0060*/0x0C, 0x40, 0x05, 0x75, 0x52, 0x01, 0xD2, 0x36,
+ 0x90, 0x07, 0x0C, 0x74, 0x07, 0xF0, 0xA3, 0x74,
+/*0070*/0xFF, 0xF0, 0xE4, 0xF5, 0x0C, 0xA3, 0xF0, 0x90,
+ 0x07, 0x14, 0xF0, 0xA3, 0xF0, 0x75, 0x0B, 0x20,
+/*0080*/0xF5, 0x09, 0xE4, 0xF5, 0x08, 0xE5, 0x08, 0xD3,
+ 0x94, 0x30, 0x40, 0x03, 0x02, 0x04, 0x04, 0x12,
+/*0090*/0x00, 0x06, 0x15, 0x0B, 0xE5, 0x08, 0x70, 0x04,
+ 0x7F, 0x01, 0x80, 0x02, 0x7F, 0x00, 0xE5, 0x09,
+/*00A0*/0x70, 0x04, 0x7E, 0x01, 0x80, 0x02, 0x7E, 0x00,
+ 0xEE, 0x5F, 0x60, 0x05, 0x12, 0x18, 0x71, 0xD2,
+/*00B0*/0x35, 0x53, 0xE1, 0xF7, 0xE5, 0x08, 0x45, 0x09,
+ 0xFF, 0xE5, 0x0B, 0x25, 0xE0, 0x25, 0xE0, 0x24,
+/*00C0*/0x83, 0xF5, 0x82, 0xE4, 0x34, 0x07, 0xF5, 0x83,
+ 0xEF, 0xF0, 0x85, 0xE2, 0x20, 0xE5, 0x52, 0xD3,
+/*00D0*/0x94, 0x01, 0x40, 0x0D, 0x12, 0x19, 0xF3, 0xE0,
+ 0x54, 0xA0, 0x64, 0x40, 0x70, 0x03, 0x02, 0x03,
+/*00E0*/0xFB, 0x53, 0xF9, 0xF8, 0x90, 0x94, 0x70, 0xE4,
+ 0xF0, 0xE0, 0xF5, 0x10, 0xAF, 0x09, 0x12, 0x1E,
+/*00F0*/0xB3, 0xAF, 0x08, 0xEF, 0x44, 0x08, 0xF5, 0x82,
+ 0x75, 0x83, 0x80, 0xE0, 0xF5, 0x29, 0xEF, 0x44,
+/*0100*/0x07, 0x12, 0x1A, 0x3C, 0xF5, 0x22, 0x54, 0x40,
+ 0xD3, 0x94, 0x00, 0x40, 0x1E, 0xE5, 0x29, 0x54,
+/*0110*/0xF0, 0x70, 0x21, 0x12, 0x19, 0xF3, 0xE0, 0x44,
+ 0x80, 0xF0, 0xE5, 0x22, 0x54, 0x30, 0x65, 0x08,
+/*0120*/0x70, 0x09, 0x12, 0x19, 0xF3, 0xE0, 0x54, 0xBF,
+ 0xF0, 0x80, 0x09, 0x12, 0x19, 0xF3, 0x74, 0x40,
+/*0130*/0xF0, 0x02, 0x03, 0xFB, 0x12, 0x1A, 0x12, 0x75,
+ 0x83, 0xAE, 0x74, 0xFF, 0xF0, 0xAF, 0x08, 0x7E,
+/*0140*/0x00, 0xEF, 0x44, 0x07, 0xF5, 0x82, 0xE0, 0xFD,
+ 0xE5, 0x0B, 0x25, 0xE0, 0x25, 0xE0, 0x24, 0x81,
+/*0150*/0xF5, 0x82, 0xE4, 0x34, 0x07, 0xF5, 0x83, 0xED,
+ 0xF0, 0x90, 0x07, 0x0E, 0xE0, 0x04, 0xF0, 0xEF,
+/*0160*/0x44, 0x07, 0xF5, 0x82, 0x75, 0x83, 0x98, 0xE0,
+ 0xF5, 0x28, 0x12, 0x1A, 0x23, 0x40, 0x0C, 0x12,
+/*0170*/0x19, 0xF3, 0xE0, 0x44, 0x01, 0x12, 0x1A, 0x32,
+ 0x02, 0x03, 0xF6, 0xAF, 0x08, 0x7E, 0x00, 0x74,
+/*0180*/0x80, 0xCD, 0xEF, 0xCD, 0x8D, 0x82, 0xF5, 0x83,
+ 0xE0, 0x30, 0xE0, 0x0A, 0x12, 0x19, 0xF3, 0xE0,
+/*0190*/0x44, 0x20, 0xF0, 0x02, 0x03, 0xFB, 0x12, 0x19,
+ 0xF3, 0xE0, 0x54, 0xDF, 0xF0, 0xEE, 0x44, 0xAE,
+/*01A0*/0x12, 0x1A, 0x43, 0x30, 0xE4, 0x03, 0x02, 0x03,
+ 0xFB, 0x74, 0x9E, 0x12, 0x1A, 0x05, 0x20, 0xE0,
+/*01B0*/0x03, 0x02, 0x03, 0xFB, 0x8F, 0x82, 0x8E, 0x83,
+ 0xE0, 0x20, 0xE0, 0x03, 0x02, 0x03, 0xFB, 0x12,
+/*01C0*/0x19, 0xF3, 0xE0, 0x44, 0x10, 0xF0, 0xE5, 0xE3,
+ 0x20, 0xE7, 0x08, 0xE5, 0x08, 0x12, 0x1A, 0x3A,
+/*01D0*/0x44, 0x04, 0xF0, 0xAF, 0x08, 0x7E, 0x00, 0xEF,
+ 0x12, 0x1A, 0x3A, 0x20, 0xE2, 0x34, 0x12, 0x19,
+/*01E0*/0xF3, 0xE0, 0x44, 0x08, 0xF0, 0xE5, 0xE4, 0x30,
+ 0xE6, 0x04, 0x7D, 0x01, 0x80, 0x02, 0x7D, 0x00,
+/*01F0*/0xE5, 0x7E, 0xC3, 0x94, 0x04, 0x50, 0x04, 0x7C,
+ 0x01, 0x80, 0x02, 0x7C, 0x00, 0xEC, 0x4D, 0x60,
+/*0200*/0x05, 0xC2, 0x35, 0x02, 0x03, 0xFB, 0xEE, 0x44,
+ 0xD2, 0x12, 0x1A, 0x43, 0x44, 0x40, 0xF0, 0x02,
+/*0210*/0x03, 0xFB, 0x12, 0x19, 0xF3, 0xE0, 0x54, 0xF7,
+ 0xF0, 0x12, 0x1A, 0x12, 0x75, 0x83, 0xD2, 0xE0,
+/*0220*/0x54, 0xBF, 0xF0, 0x90, 0x07, 0x14, 0xE0, 0x04,
+ 0xF0, 0xE5, 0x7E, 0x70, 0x03, 0x75, 0x7E, 0x01,
+/*0230*/0xAF, 0x08, 0x7E, 0x00, 0x12, 0x1A, 0x23, 0x40,
+ 0x12, 0x12, 0x19, 0xF3, 0xE0, 0x44, 0x01, 0x12,
+/*0240*/0x19, 0xF2, 0xE0, 0x54, 0x02, 0x12, 0x1A, 0x32,
+ 0x02, 0x03, 0xFB, 0x12, 0x19, 0xF3, 0xE0, 0x44,
+/*0250*/0x02, 0x12, 0x19, 0xF2, 0xE0, 0x54, 0xFE, 0xF0,
+ 0xC2, 0x35, 0xEE, 0x44, 0x8A, 0x8F, 0x82, 0xF5,
+/*0260*/0x83, 0xE0, 0xF5, 0x17, 0x54, 0x8F, 0x44, 0x40,
+ 0xF0, 0x74, 0x90, 0xFC, 0xE5, 0x08, 0x44, 0x07,
+/*0270*/0xFD, 0xF5, 0x82, 0x8C, 0x83, 0xE0, 0x54, 0x3F,
+ 0x90, 0x07, 0x02, 0xF0, 0xE0, 0x54, 0xC0, 0x8D,
+/*0280*/0x82, 0x8C, 0x83, 0xF0, 0x74, 0x92, 0x12, 0x1A,
+ 0x05, 0x90, 0x07, 0x03, 0x12, 0x1A, 0x19, 0x74,
+/*0290*/0x82, 0x12, 0x1A, 0x05, 0x90, 0x07, 0x04, 0x12,
+ 0x1A, 0x19, 0x74, 0xB4, 0x12, 0x1A, 0x05, 0x90,
+/*02A0*/0x07, 0x05, 0x12, 0x1A, 0x19, 0x74, 0x94, 0xFE,
+ 0xE5, 0x08, 0x44, 0x06, 0x12, 0x1A, 0x0A, 0xF5,
+/*02B0*/0x10, 0x30, 0xE0, 0x04, 0xD2, 0x37, 0x80, 0x02,
+ 0xC2, 0x37, 0xE5, 0x10, 0x54, 0x7F, 0x8F, 0x82,
+/*02C0*/0x8E, 0x83, 0xF0, 0x30, 0x44, 0x30, 0x12, 0x1A,
+ 0x03, 0x54, 0x80, 0xD3, 0x94, 0x00, 0x40, 0x04,
+/*02D0*/0xD2, 0x39, 0x80, 0x02, 0xC2, 0x39, 0x8F, 0x82,
+ 0x8E, 0x83, 0xE0, 0x44, 0x80, 0xF0, 0x12, 0x1A,
+/*02E0*/0x03, 0x54, 0x40, 0xD3, 0x94, 0x00, 0x40, 0x04,
+ 0xD2, 0x3A, 0x80, 0x02, 0xC2, 0x3A, 0x8F, 0x82,
+/*02F0*/0x8E, 0x83, 0xE0, 0x44, 0x40, 0xF0, 0x74, 0x92,
+ 0xFE, 0xE5, 0x08, 0x44, 0x06, 0x12, 0x1A, 0x0A,
+/*0300*/0x30, 0xE7, 0x04, 0xD2, 0x38, 0x80, 0x02, 0xC2,
+ 0x38, 0x8F, 0x82, 0x8E, 0x83, 0xE0, 0x54, 0x7F,
+/*0310*/0xF0, 0x12, 0x1E, 0x46, 0xE4, 0xF5, 0x0A, 0x20,
+ 0x03, 0x02, 0x80, 0x03, 0x30, 0x43, 0x03, 0x12,
+/*0320*/0x19, 0x95, 0x20, 0x02, 0x02, 0x80, 0x03, 0x30,
+ 0x42, 0x03, 0x12, 0x0C, 0x8F, 0x30, 0x30, 0x06,
+/*0330*/0x12, 0x19, 0x95, 0x12, 0x0C, 0x8F, 0x12, 0x0D,
+ 0x47, 0x12, 0x19, 0xF3, 0xE0, 0x54, 0xFB, 0xF0,
+/*0340*/0xE5, 0x0A, 0xC3, 0x94, 0x01, 0x40, 0x46, 0x43,
+ 0xE1, 0x08, 0x12, 0x19, 0xF3, 0xE0, 0x44, 0x04,
+/*0350*/0xF0, 0xE5, 0xE4, 0x20, 0xE7, 0x2A, 0x12, 0x1A,
+ 0x12, 0x75, 0x83, 0xD2, 0xE0, 0x54, 0x08, 0xD3,
+/*0360*/0x94, 0x00, 0x40, 0x04, 0x7F, 0x01, 0x80, 0x02,
+ 0x7F, 0x00, 0xE5, 0x0A, 0xC3, 0x94, 0x01, 0x40,
+/*0370*/0x04, 0x7E, 0x01, 0x80, 0x02, 0x7E, 0x00, 0xEF,
+ 0x5E, 0x60, 0x05, 0x12, 0x1D, 0xD7, 0x80, 0x17,
+/*0380*/0x12, 0x1A, 0x12, 0x75, 0x83, 0xD2, 0xE0, 0x44,
+ 0x08, 0xF0, 0x02, 0x03, 0xFB, 0x12, 0x1A, 0x12,
+/*0390*/0x75, 0x83, 0xD2, 0xE0, 0x54, 0xF7, 0xF0, 0x12,
+ 0x1E, 0x46, 0x7F, 0x08, 0x12, 0x17, 0x31, 0x74,
+/*03A0*/0x8E, 0xFE, 0x12, 0x1A, 0x12, 0x8E, 0x83, 0xE0,
+ 0xF5, 0x10, 0x54, 0xFE, 0xF0, 0xE5, 0x10, 0x44,
+/*03B0*/0x01, 0xFF, 0xE5, 0x08, 0xFD, 0xED, 0x44, 0x07,
+ 0xF5, 0x82, 0xEF, 0xF0, 0xE5, 0x10, 0x54, 0xFE,
+/*03C0*/0xFF, 0xED, 0x44, 0x07, 0xF5, 0x82, 0xEF, 0x12,
+ 0x1A, 0x11, 0x75, 0x83, 0x86, 0xE0, 0x44, 0x10,
+/*03D0*/0x12, 0x1A, 0x11, 0xE0, 0x44, 0x10, 0xF0, 0x12,
+ 0x19, 0xF3, 0xE0, 0x54, 0xFD, 0x44, 0x01, 0xFF,
+/*03E0*/0x12, 0x19, 0xF3, 0xEF, 0x12, 0x1A, 0x32, 0x30,
+ 0x32, 0x0C, 0xE5, 0x08, 0x44, 0x08, 0xF5, 0x82,
+/*03F0*/0x75, 0x83, 0x82, 0x74, 0x05, 0xF0, 0xAF, 0x0B,
+ 0x12, 0x18, 0xD7, 0x74, 0x10, 0x25, 0x08, 0xF5,
+/*0400*/0x08, 0x02, 0x00, 0x85, 0x05, 0x09, 0xE5, 0x09,
+ 0xD3, 0x94, 0x07, 0x50, 0x03, 0x02, 0x00, 0x82,
+/*0410*/0xE5, 0x7E, 0xD3, 0x94, 0x00, 0x40, 0x04, 0x7F,
+ 0x01, 0x80, 0x02, 0x7F, 0x00, 0xE5, 0x7E, 0xC3,
+/*0420*/0x94, 0xFA, 0x50, 0x04, 0x7E, 0x01, 0x80, 0x02,
+ 0x7E, 0x00, 0xEE, 0x5F, 0x60, 0x02, 0x05, 0x7E,
+/*0430*/0x30, 0x35, 0x0B, 0x43, 0xE1, 0x01, 0x7F, 0x09,
+ 0x12, 0x17, 0x31, 0x02, 0x00, 0x58, 0x53, 0xE1,
+/*0440*/0xFE, 0x02, 0x00, 0x58, 0x8E, 0x6A, 0x8F, 0x6B,
+ 0x8C, 0x6C, 0x8D, 0x6D, 0x75, 0x6E, 0x01, 0x75,
+/*0450*/0x6F, 0x01, 0x75, 0x70, 0x01, 0xE4, 0xF5, 0x73,
+ 0xF5, 0x74, 0xF5, 0x75, 0x90, 0x07, 0x2F, 0xF0,
+/*0460*/0xF5, 0x3C, 0xF5, 0x3E, 0xF5, 0x46, 0xF5, 0x47,
+ 0xF5, 0x3D, 0xF5, 0x3F, 0xF5, 0x6F, 0xE5, 0x6F,
+/*0470*/0x70, 0x0F, 0xE5, 0x6B, 0x45, 0x6A, 0x12, 0x07,
+ 0x2A, 0x75, 0x83, 0x80, 0x74, 0x3A, 0xF0, 0x80,
+/*0480*/0x09, 0x12, 0x07, 0x2A, 0x75, 0x83, 0x80, 0x74,
+ 0x1A, 0xF0, 0xE4, 0xF5, 0x6E, 0xC3, 0x74, 0x3F,
+/*0490*/0x95, 0x6E, 0xFF, 0x12, 0x08, 0x65, 0x75, 0x83,
+ 0x82, 0xEF, 0xF0, 0x12, 0x1A, 0x4D, 0x12, 0x08,
+/*04A0*/0xC6, 0xE5, 0x33, 0xF0, 0x12, 0x08, 0xFA, 0x12,
+ 0x08, 0xB1, 0x40, 0xE1, 0xE5, 0x6F, 0x70, 0x0B,
+/*04B0*/0x12, 0x07, 0x2A, 0x75, 0x83, 0x80, 0x74, 0x36,
+ 0xF0, 0x80, 0x09, 0x12, 0x07, 0x2A, 0x75, 0x83,
+/*04C0*/0x80, 0x74, 0x16, 0xF0, 0x75, 0x6E, 0x01, 0x12,
+ 0x07, 0x2A, 0x75, 0x83, 0xB4, 0xE5, 0x6E, 0xF0,
+/*04D0*/0x12, 0x1A, 0x4D, 0x74, 0x3F, 0x25, 0x6E, 0xF5,
+ 0x82, 0xE4, 0x34, 0x00, 0xF5, 0x83, 0xE5, 0x33,
+/*04E0*/0xF0, 0x74, 0xBF, 0x25, 0x6E, 0xF5, 0x82, 0xE4,
+ 0x34, 0x00, 0x12, 0x08, 0xB1, 0x40, 0xD8, 0xE4,
+/*04F0*/0xF5, 0x70, 0xF5, 0x46, 0xF5, 0x47, 0xF5, 0x6E,
+ 0x12, 0x08, 0xFA, 0xF5, 0x83, 0xE0, 0xFE, 0x12,
+/*0500*/0x08, 0xC6, 0xE0, 0x7C, 0x00, 0x24, 0x00, 0xFF,
+ 0xEC, 0x3E, 0xFE, 0xAD, 0x3B, 0xD3, 0xEF, 0x9D,
+/*0510*/0xEE, 0x9C, 0x50, 0x04, 0x7B, 0x01, 0x80, 0x02,
+ 0x7B, 0x00, 0xE5, 0x70, 0x70, 0x04, 0x7A, 0x01,
+/*0520*/0x80, 0x02, 0x7A, 0x00, 0xEB, 0x5A, 0x60, 0x06,
+ 0x85, 0x6E, 0x46, 0x75, 0x70, 0x01, 0xD3, 0xEF,
+/*0530*/0x9D, 0xEE, 0x9C, 0x50, 0x04, 0x7F, 0x01, 0x80,
+ 0x02, 0x7F, 0x00, 0xE5, 0x70, 0xB4, 0x01, 0x04,
+/*0540*/0x7E, 0x01, 0x80, 0x02, 0x7E, 0x00, 0xEF, 0x5E,
+ 0x60, 0x03, 0x85, 0x6E, 0x47, 0x05, 0x6E, 0xE5,
+/*0550*/0x6E, 0x64, 0x7F, 0x70, 0xA3, 0xE5, 0x46, 0x60,
+ 0x05, 0xE5, 0x47, 0xB4, 0x7E, 0x03, 0x85, 0x46,
+/*0560*/0x47, 0xE5, 0x6F, 0x70, 0x08, 0x85, 0x46, 0x76,
+ 0x85, 0x47, 0x77, 0x80, 0x0E, 0xC3, 0x74, 0x7F,
+/*0570*/0x95, 0x46, 0xF5, 0x78, 0xC3, 0x74, 0x7F, 0x95,
+ 0x47, 0xF5, 0x79, 0xE5, 0x6F, 0x70, 0x37, 0xE5,
+/*0580*/0x46, 0x65, 0x47, 0x70, 0x0C, 0x75, 0x73, 0x01,
+ 0x75, 0x74, 0x01, 0xF5, 0x3C, 0xF5, 0x3D, 0x80,
+/*0590*/0x35, 0xE4, 0xF5, 0x4E, 0xC3, 0xE5, 0x47, 0x95,
+ 0x46, 0xF5, 0x3C, 0xC3, 0x13, 0xF5, 0x71, 0x25,
+/*05A0*/0x46, 0xF5, 0x72, 0xC3, 0x94, 0x3F, 0x40, 0x05,
+ 0xE4, 0xF5, 0x3D, 0x80, 0x40, 0xC3, 0x74, 0x3F,
+/*05B0*/0x95, 0x72, 0xF5, 0x3D, 0x80, 0x37, 0xE5, 0x46,
+ 0x65, 0x47, 0x70, 0x0F, 0x75, 0x73, 0x01, 0x75,
+/*05C0*/0x75, 0x01, 0xF5, 0x3E, 0xF5, 0x3F, 0x75, 0x4E,
+ 0x01, 0x80, 0x22, 0xE4, 0xF5, 0x4E, 0xC3, 0xE5,
+/*05D0*/0x47, 0x95, 0x46, 0xF5, 0x3E, 0xC3, 0x13, 0xF5,
+ 0x71, 0x25, 0x46, 0xF5, 0x72, 0xD3, 0x94, 0x3F,
+/*05E0*/0x50, 0x05, 0xE4, 0xF5, 0x3F, 0x80, 0x06, 0xE5,
+ 0x72, 0x24, 0xC1, 0xF5, 0x3F, 0x05, 0x6F, 0xE5,
+/*05F0*/0x6F, 0xC3, 0x94, 0x02, 0x50, 0x03, 0x02, 0x04,
+ 0x6E, 0xE5, 0x6D, 0x45, 0x6C, 0x70, 0x02, 0x80,
+/*0600*/0x04, 0xE5, 0x74, 0x45, 0x75, 0x90, 0x07, 0x2F,
+ 0xF0, 0x7F, 0x01, 0xE5, 0x3E, 0x60, 0x04, 0xE5,
+/*0610*/0x3C, 0x70, 0x14, 0xE4, 0xF5, 0x3C, 0xF5, 0x3D,
+ 0xF5, 0x3E, 0xF5, 0x3F, 0x12, 0x08, 0xD2, 0x70,
+/*0620*/0x04, 0xF0, 0x02, 0x06, 0xA4, 0x80, 0x7A, 0xE5,
+ 0x3C, 0xC3, 0x95, 0x3E, 0x40, 0x07, 0xE5, 0x3C,
+/*0630*/0x95, 0x3E, 0xFF, 0x80, 0x06, 0xC3, 0xE5, 0x3E,
+ 0x95, 0x3C, 0xFF, 0xE5, 0x76, 0xD3, 0x95, 0x79,
+/*0640*/0x40, 0x05, 0x85, 0x76, 0x7A, 0x80, 0x03, 0x85,
+ 0x79, 0x7A, 0xE5, 0x77, 0xC3, 0x95, 0x78, 0x50,
+/*0650*/0x05, 0x85, 0x77, 0x7B, 0x80, 0x03, 0x85, 0x78,
+ 0x7B, 0xE5, 0x7B, 0xD3, 0x95, 0x7A, 0x40, 0x30,
+/*0660*/0xE5, 0x7B, 0x95, 0x7A, 0xF5, 0x3C, 0xF5, 0x3E,
+ 0xC3, 0xE5, 0x7B, 0x95, 0x7A, 0x90, 0x07, 0x19,
+/*0670*/0xF0, 0xE5, 0x3C, 0xC3, 0x13, 0xF5, 0x71, 0x25,
+ 0x7A, 0xF5, 0x72, 0xC3, 0x94, 0x3F, 0x40, 0x05,
+/*0680*/0xE4, 0xF5, 0x3D, 0x80, 0x1F, 0xC3, 0x74, 0x3F,
+ 0x95, 0x72, 0xF5, 0x3D, 0xF5, 0x3F, 0x80, 0x14,
+/*0690*/0xE4, 0xF5, 0x3C, 0xF5, 0x3E, 0x90, 0x07, 0x19,
+ 0xF0, 0x12, 0x08, 0xD2, 0x70, 0x03, 0xF0, 0x80,
+/*06A0*/0x03, 0x74, 0x01, 0xF0, 0x12, 0x08, 0x65, 0x75,
+ 0x83, 0xD0, 0xE0, 0x54, 0x0F, 0xFE, 0xAD, 0x3C,
+/*06B0*/0x70, 0x02, 0x7E, 0x07, 0xBE, 0x0F, 0x02, 0x7E,
+ 0x80, 0xEE, 0xFB, 0xEF, 0xD3, 0x9B, 0x74, 0x80,
+/*06C0*/0xF8, 0x98, 0x40, 0x1F, 0xE4, 0xF5, 0x3C, 0xF5,
+ 0x3E, 0x12, 0x08, 0xD2, 0x70, 0x03, 0xF0, 0x80,
+/*06D0*/0x12, 0x74, 0x01, 0xF0, 0xE5, 0x08, 0xFB, 0xEB,
+ 0x44, 0x07, 0xF5, 0x82, 0x75, 0x83, 0xD2, 0xE0,
+/*06E0*/0x44, 0x10, 0xF0, 0xE5, 0x08, 0xFB, 0xEB, 0x44,
+ 0x09, 0xF5, 0x82, 0x75, 0x83, 0x9E, 0xED, 0xF0,
+/*06F0*/0xEB, 0x44, 0x07, 0xF5, 0x82, 0x75, 0x83, 0xCA,
+ 0xED, 0xF0, 0x12, 0x08, 0x65, 0x75, 0x83, 0xCC,
+/*0700*/0xEF, 0xF0, 0x22, 0xE5, 0x08, 0x44, 0x07, 0xF5,
+ 0x82, 0x75, 0x83, 0xBC, 0xE0, 0x54, 0xF0, 0xF0,
+/*0710*/0xE5, 0x08, 0x44, 0x07, 0xF5, 0x82, 0x75, 0x83,
+ 0xBE, 0xE0, 0x54, 0xF0, 0xF0, 0xE5, 0x08, 0x44,
+/*0720*/0x07, 0xF5, 0x82, 0x75, 0x83, 0xC0, 0xE0, 0x54,
+ 0xF0, 0xF0, 0xE5, 0x08, 0x44, 0x07, 0xF5, 0x82,
+/*0730*/0x22, 0xF0, 0x90, 0x07, 0x28, 0xE0, 0xFE, 0xA3,
+ 0xE0, 0xF5, 0x82, 0x8E, 0x83, 0x22, 0x85, 0x42,
+/*0740*/0x42, 0x85, 0x41, 0x41, 0x85, 0x40, 0x40, 0x74,
+ 0xC0, 0x2F, 0xF5, 0x82, 0x74, 0x02, 0x3E, 0xF5,
+/*0750*/0x83, 0xE5, 0x42, 0xF0, 0x74, 0xE0, 0x2F, 0xF5,
+ 0x82, 0x74, 0x02, 0x3E, 0xF5, 0x83, 0x22, 0xE5,
+/*0760*/0x42, 0x29, 0xFD, 0xE4, 0x33, 0xFC, 0xE5, 0x3C,
+ 0xC3, 0x9D, 0xEC, 0x64, 0x80, 0xF8, 0x74, 0x80,
+/*0770*/0x98, 0x22, 0xF5, 0x83, 0xE0, 0x90, 0x07, 0x22,
+ 0x54, 0x1F, 0xFD, 0xE0, 0xFA, 0xA3, 0xE0, 0xF5,
+/*0780*/0x82, 0x8A, 0x83, 0xED, 0xF0, 0x22, 0x90, 0x07,
+ 0x22, 0xE0, 0xFC, 0xA3, 0xE0, 0xF5, 0x82, 0x8C,
+/*0790*/0x83, 0x22, 0x90, 0x07, 0x24, 0xFF, 0xED, 0x44,
+ 0x07, 0xCF, 0xF0, 0xA3, 0xEF, 0xF0, 0x22, 0x85,
+/*07A0*/0x38, 0x38, 0x85, 0x39, 0x39, 0x85, 0x3A, 0x3A,
+ 0x74, 0xC0, 0x2F, 0xF5, 0x82, 0x74, 0x02, 0x3E,
+/*07B0*/0xF5, 0x83, 0x22, 0x90, 0x07, 0x26, 0xFF, 0xED,
+ 0x44, 0x07, 0xCF, 0xF0, 0xA3, 0xEF, 0xF0, 0x22,
+/*07C0*/0xF0, 0x74, 0xA0, 0x2F, 0xF5, 0x82, 0x74, 0x02,
+ 0x3E, 0xF5, 0x83, 0x22, 0x74, 0xC0, 0x25, 0x11,
+/*07D0*/0xF5, 0x82, 0xE4, 0x34, 0x01, 0xF5, 0x83, 0x22,
+ 0x74, 0x00, 0x25, 0x11, 0xF5, 0x82, 0xE4, 0x34,
+/*07E0*/0x02, 0xF5, 0x83, 0x22, 0x74, 0x60, 0x25, 0x11,
+ 0xF5, 0x82, 0xE4, 0x34, 0x03, 0xF5, 0x83, 0x22,
+/*07F0*/0x74, 0x80, 0x25, 0x11, 0xF5, 0x82, 0xE4, 0x34,
+ 0x03, 0xF5, 0x83, 0x22, 0x74, 0xE0, 0x25, 0x11,
+/*0800*/0xF5, 0x82, 0xE4, 0x34, 0x03, 0xF5, 0x83, 0x22,
+ 0x74, 0x40, 0x25, 0x11, 0xF5, 0x82, 0xE4, 0x34,
+/*0810*/0x06, 0xF5, 0x83, 0x22, 0x74, 0x80, 0x2F, 0xF5,
+ 0x82, 0x74, 0x02, 0x3E, 0xF5, 0x83, 0x22, 0xAF,
+/*0820*/0x08, 0x7E, 0x00, 0xEF, 0x44, 0x07, 0xF5, 0x82,
+ 0x22, 0xF5, 0x83, 0xE5, 0x82, 0x44, 0x07, 0xF5,
+/*0830*/0x82, 0xE5, 0x40, 0xF0, 0x22, 0x74, 0x40, 0x25,
+ 0x11, 0xF5, 0x82, 0xE4, 0x34, 0x02, 0xF5, 0x83,
+/*0840*/0x22, 0x74, 0xC0, 0x25, 0x11, 0xF5, 0x82, 0xE4,
+ 0x34, 0x03, 0xF5, 0x83, 0x22, 0x74, 0x00, 0x25,
+/*0850*/0x11, 0xF5, 0x82, 0xE4, 0x34, 0x06, 0xF5, 0x83,
+ 0x22, 0x74, 0x20, 0x25, 0x11, 0xF5, 0x82, 0xE4,
+/*0860*/0x34, 0x06, 0xF5, 0x83, 0x22, 0xE5, 0x08, 0xFD,
+ 0xED, 0x44, 0x07, 0xF5, 0x82, 0x22, 0xE5, 0x41,
+/*0870*/0xF0, 0xE5, 0x65, 0x64, 0x01, 0x45, 0x64, 0x22,
+ 0x7E, 0x00, 0xFB, 0x7A, 0x00, 0xFD, 0x7C, 0x00,
+/*0880*/0x22, 0x74, 0x20, 0x25, 0x11, 0xF5, 0x82, 0xE4,
+ 0x34, 0x02, 0x22, 0x74, 0xA0, 0x25, 0x11, 0xF5,
+/*0890*/0x82, 0xE4, 0x34, 0x03, 0x22, 0x85, 0x3E, 0x42,
+ 0x85, 0x3F, 0x41, 0x8F, 0x40, 0x22, 0x85, 0x3C,
+/*08A0*/0x42, 0x85, 0x3D, 0x41, 0x8F, 0x40, 0x22, 0x75,
+ 0x45, 0x3F, 0x90, 0x07, 0x20, 0xE4, 0xF0, 0xA3,
+/*08B0*/0x22, 0xF5, 0x83, 0xE5, 0x32, 0xF0, 0x05, 0x6E,
+ 0xE5, 0x6E, 0xC3, 0x94, 0x40, 0x22, 0xF0, 0xE5,
+/*08C0*/0x08, 0x44, 0x06, 0xF5, 0x82, 0x22, 0x74, 0x00,
+ 0x25, 0x6E, 0xF5, 0x82, 0xE4, 0x34, 0x00, 0xF5,
+/*08D0*/0x83, 0x22, 0xE5, 0x6D, 0x45, 0x6C, 0x90, 0x07,
+ 0x2F, 0x22, 0xE4, 0xF9, 0xE5, 0x3C, 0xD3, 0x95,
+/*08E0*/0x3E, 0x22, 0x74, 0x80, 0x2E, 0xF5, 0x82, 0xE4,
+ 0x34, 0x02, 0xF5, 0x83, 0xE0, 0x22, 0x74, 0xA0,
+/*08F0*/0x2E, 0xF5, 0x82, 0xE4, 0x34, 0x02, 0xF5, 0x83,
+ 0xE0, 0x22, 0x74, 0x80, 0x25, 0x6E, 0xF5, 0x82,
+/*0900*/0xE4, 0x34, 0x00, 0x22, 0x25, 0x42, 0xFD, 0xE4,
+ 0x33, 0xFC, 0x22, 0x85, 0x42, 0x42, 0x85, 0x41,
+/*0910*/0x41, 0x85, 0x40, 0x40, 0x22, 0xED, 0x4C, 0x60,
+ 0x03, 0x02, 0x09, 0xE5, 0xEF, 0x4E, 0x70, 0x37,
+/*0920*/0x90, 0x07, 0x26, 0x12, 0x07, 0x89, 0xE0, 0xFD,
+ 0x12, 0x07, 0xCC, 0xED, 0xF0, 0x90, 0x07, 0x28,
+/*0930*/0x12, 0x07, 0x89, 0xE0, 0xFD, 0x12, 0x07, 0xD8,
+ 0xED, 0xF0, 0x12, 0x07, 0x86, 0xE0, 0x54, 0x1F,
+/*0940*/0xFD, 0x12, 0x08, 0x81, 0xF5, 0x83, 0xED, 0xF0,
+ 0x90, 0x07, 0x24, 0x12, 0x07, 0x89, 0xE0, 0x54,
+/*0950*/0x1F, 0xFD, 0x12, 0x08, 0x35, 0xED, 0xF0, 0xEF,
+ 0x64, 0x04, 0x4E, 0x70, 0x37, 0x90, 0x07, 0x26,
+/*0960*/0x12, 0x07, 0x89, 0xE0, 0xFD, 0x12, 0x07, 0xE4,
+ 0xED, 0xF0, 0x90, 0x07, 0x28, 0x12, 0x07, 0x89,
+/*0970*/0xE0, 0xFD, 0x12, 0x07, 0xF0, 0xED, 0xF0, 0x12,
+ 0x07, 0x86, 0xE0, 0x54, 0x1F, 0xFD, 0x12, 0x08,
+/*0980*/0x8B, 0xF5, 0x83, 0xED, 0xF0, 0x90, 0x07, 0x24,
+ 0x12, 0x07, 0x89, 0xE0, 0x54, 0x1F, 0xFD, 0x12,
+/*0990*/0x08, 0x41, 0xED, 0xF0, 0xEF, 0x64, 0x01, 0x4E,
+ 0x70, 0x04, 0x7D, 0x01, 0x80, 0x02, 0x7D, 0x00,
+/*09A0*/0xEF, 0x64, 0x02, 0x4E, 0x70, 0x04, 0x7F, 0x01,
+ 0x80, 0x02, 0x7F, 0x00, 0xEF, 0x4D, 0x60, 0x78,
+/*09B0*/0x90, 0x07, 0x26, 0x12, 0x07, 0x35, 0xE0, 0xFF,
+ 0x12, 0x07, 0xFC, 0xEF, 0x12, 0x07, 0x31, 0xE0,
+/*09C0*/0xFF, 0x12, 0x08, 0x08, 0xEF, 0xF0, 0x90, 0x07,
+ 0x22, 0x12, 0x07, 0x35, 0xE0, 0x54, 0x1F, 0xFF,
+/*09D0*/0x12, 0x08, 0x4D, 0xEF, 0xF0, 0x90, 0x07, 0x24,
+ 0x12, 0x07, 0x35, 0xE0, 0x54, 0x1F, 0xFF, 0x12,
+/*09E0*/0x08, 0x59, 0xEF, 0xF0, 0x22, 0x12, 0x07, 0xCC,
+ 0xE4, 0xF0, 0x12, 0x07, 0xD8, 0xE4, 0xF0, 0x12,
+/*09F0*/0x08, 0x81, 0xF5, 0x83, 0xE4, 0xF0, 0x12, 0x08,
+ 0x35, 0x74, 0x14, 0xF0, 0x12, 0x07, 0xE4, 0xE4,
+/*0A00*/0xF0, 0x12, 0x07, 0xF0, 0xE4, 0xF0, 0x12, 0x08,
+ 0x8B, 0xF5, 0x83, 0xE4, 0xF0, 0x12, 0x08, 0x41,
+/*0A10*/0x74, 0x14, 0xF0, 0x12, 0x07, 0xFC, 0xE4, 0xF0,
+ 0x12, 0x08, 0x08, 0xE4, 0xF0, 0x12, 0x08, 0x4D,
+/*0A20*/0xE4, 0xF0, 0x12, 0x08, 0x59, 0x74, 0x14, 0xF0,
+ 0x22, 0x53, 0xF9, 0xF7, 0x75, 0xFC, 0x10, 0xE4,
+/*0A30*/0xF5, 0xFD, 0x75, 0xFE, 0x30, 0xF5, 0xFF, 0xE5,
+ 0xE7, 0x20, 0xE7, 0x03, 0x43, 0xF9, 0x08, 0xE5,
+/*0A40*/0xE6, 0x20, 0xE7, 0x0B, 0x78, 0xFF, 0xE4, 0xF6,
+ 0xD8, 0xFD, 0x53, 0xE6, 0xFE, 0x80, 0x09, 0x78,
+/*0A50*/0x08, 0xE4, 0xF6, 0xD8, 0xFD, 0x53, 0xE6, 0xFE,
+ 0x75, 0x81, 0x80, 0xE4, 0xF5, 0xA8, 0xD2, 0xA8,
+/*0A60*/0xC2, 0xA9, 0xD2, 0xAF, 0xE5, 0xE2, 0x20, 0xE5,
+ 0x05, 0x20, 0xE6, 0x02, 0x80, 0x03, 0x43, 0xE1,
+/*0A70*/0x02, 0xE5, 0xE2, 0x20, 0xE0, 0x0E, 0x90, 0x00,
+ 0x00, 0x7F, 0x00, 0x7E, 0x08, 0xE4, 0xF0, 0xA3,
+/*0A80*/0xDF, 0xFC, 0xDE, 0xFA, 0x02, 0x0A, 0xDB, 0x43,
+ 0xFA, 0x01, 0xC0, 0xE0, 0xC0, 0xF0, 0xC0, 0x83,
+/*0A90*/0xC0, 0x82, 0xC0, 0xD0, 0x12, 0x1C, 0xE7, 0xD0,
+ 0xD0, 0xD0, 0x82, 0xD0, 0x83, 0xD0, 0xF0, 0xD0,
+/*0AA0*/0xE0, 0x53, 0xFA, 0xFE, 0x32, 0x02, 0x1B, 0x55,
+ 0xE4, 0x93, 0xA3, 0xF8, 0xE4, 0x93, 0xA3, 0xF6,
+/*0AB0*/0x08, 0xDF, 0xF9, 0x80, 0x29, 0xE4, 0x93, 0xA3,
+ 0xF8, 0x54, 0x07, 0x24, 0x0C, 0xC8, 0xC3, 0x33,
+/*0AC0*/0xC4, 0x54, 0x0F, 0x44, 0x20, 0xC8, 0x83, 0x40,
+ 0x04, 0xF4, 0x56, 0x80, 0x01, 0x46, 0xF6, 0xDF,
+/*0AD0*/0xE4, 0x80, 0x0B, 0x01, 0x02, 0x04, 0x08, 0x10,
+ 0x20, 0x40, 0x80, 0x90, 0x00, 0x3F, 0xE4, 0x7E,
+/*0AE0*/0x01, 0x93, 0x60, 0xC1, 0xA3, 0xFF, 0x54, 0x3F,
+ 0x30, 0xE5, 0x09, 0x54, 0x1F, 0xFE, 0xE4, 0x93,
+/*0AF0*/0xA3, 0x60, 0x01, 0x0E, 0xCF, 0x54, 0xC0, 0x25,
+ 0xE0, 0x60, 0xAD, 0x40, 0xB8, 0x80, 0xFE, 0x8C,
+/*0B00*/0x64, 0x8D, 0x65, 0x8A, 0x66, 0x8B, 0x67, 0xE4,
+ 0xF5, 0x69, 0xEF, 0x4E, 0x70, 0x03, 0x02, 0x1D,
+/*0B10*/0x55, 0xE4, 0xF5, 0x68, 0xE5, 0x67, 0x45, 0x66,
+ 0x70, 0x32, 0x12, 0x07, 0x2A, 0x75, 0x83, 0x90,
+/*0B20*/0xE4, 0x12, 0x07, 0x29, 0x75, 0x83, 0xC2, 0xE4,
+ 0x12, 0x07, 0x29, 0x75, 0x83, 0xC4, 0xE4, 0x12,
+/*0B30*/0x08, 0x70, 0x70, 0x29, 0x12, 0x07, 0x2A, 0x75,
+ 0x83, 0x92, 0xE4, 0x12, 0x07, 0x29, 0x75, 0x83,
+/*0B40*/0xC6, 0xE4, 0x12, 0x07, 0x29, 0x75, 0x83, 0xC8,
+ 0xE4, 0xF0, 0x80, 0x11, 0x90, 0x07, 0x26, 0x12,
+/*0B50*/0x07, 0x35, 0xE4, 0x12, 0x08, 0x70, 0x70, 0x05,
+ 0x12, 0x07, 0x32, 0xE4, 0xF0, 0x12, 0x1D, 0x55,
+/*0B60*/0x12, 0x1E, 0xBF, 0xE5, 0x67, 0x45, 0x66, 0x70,
+ 0x33, 0x12, 0x07, 0x2A, 0x75, 0x83, 0x90, 0xE5,
+/*0B70*/0x41, 0x12, 0x07, 0x29, 0x75, 0x83, 0xC2, 0xE5,
+ 0x41, 0x12, 0x07, 0x29, 0x75, 0x83, 0xC4, 0x12,
+/*0B80*/0x08, 0x6E, 0x70, 0x29, 0x12, 0x07, 0x2A, 0x75,
+ 0x83, 0x92, 0xE5, 0x40, 0x12, 0x07, 0x29, 0x75,
+/*0B90*/0x83, 0xC6, 0xE5, 0x40, 0x12, 0x07, 0x29, 0x75,
+ 0x83, 0xC8, 0x80, 0x0E, 0x90, 0x07, 0x26, 0x12,
+/*0BA0*/0x07, 0x35, 0x12, 0x08, 0x6E, 0x70, 0x06, 0x12,
+ 0x07, 0x32, 0xE5, 0x40, 0xF0, 0xAF, 0x69, 0x7E,
+/*0BB0*/0x00, 0xAD, 0x67, 0xAC, 0x66, 0x12, 0x04, 0x44,
+ 0x12, 0x07, 0x2A, 0x75, 0x83, 0xCA, 0xE0, 0xD3,
+/*0BC0*/0x94, 0x00, 0x50, 0x0C, 0x05, 0x68, 0xE5, 0x68,
+ 0xC3, 0x94, 0x05, 0x50, 0x03, 0x02, 0x0B, 0x14,
+/*0BD0*/0x22, 0x8C, 0x60, 0x8D, 0x61, 0x12, 0x08, 0xDA,
+ 0x74, 0x20, 0x40, 0x0D, 0x2F, 0xF5, 0x82, 0x74,
+/*0BE0*/0x03, 0x3E, 0xF5, 0x83, 0xE5, 0x3E, 0xF0, 0x80,
+ 0x0B, 0x2F, 0xF5, 0x82, 0x74, 0x03, 0x3E, 0xF5,
+/*0BF0*/0x83, 0xE5, 0x3C, 0xF0, 0xE5, 0x3C, 0xD3, 0x95,
+ 0x3E, 0x40, 0x3C, 0xE5, 0x61, 0x45, 0x60, 0x70,
+/*0C00*/0x10, 0xE9, 0x12, 0x09, 0x04, 0xE5, 0x3E, 0x12,
+ 0x07, 0x68, 0x40, 0x3B, 0x12, 0x08, 0x95, 0x80,
+/*0C10*/0x18, 0xE5, 0x3E, 0xC3, 0x95, 0x38, 0x40, 0x1D,
+ 0x85, 0x3E, 0x38, 0xE5, 0x3E, 0x60, 0x05, 0x85,
+/*0C20*/0x3F, 0x39, 0x80, 0x03, 0x85, 0x39, 0x39, 0x8F,
+ 0x3A, 0x12, 0x08, 0x14, 0xE5, 0x3E, 0x12, 0x07,
+/*0C30*/0xC0, 0xE5, 0x3F, 0xF0, 0x22, 0x80, 0x43, 0xE5,
+ 0x61, 0x45, 0x60, 0x70, 0x19, 0x12, 0x07, 0x5F,
+/*0C40*/0x40, 0x05, 0x12, 0x08, 0x9E, 0x80, 0x27, 0x12,
+ 0x09, 0x0B, 0x12, 0x08, 0x14, 0xE5, 0x42, 0x12,
+/*0C50*/0x07, 0xC0, 0xE5, 0x41, 0xF0, 0x22, 0xE5, 0x3C,
+ 0xC3, 0x95, 0x38, 0x40, 0x1D, 0x85, 0x3C, 0x38,
+/*0C60*/0xE5, 0x3C, 0x60, 0x05, 0x85, 0x3D, 0x39, 0x80,
+ 0x03, 0x85, 0x39, 0x39, 0x8F, 0x3A, 0x12, 0x08,
+/*0C70*/0x14, 0xE5, 0x3C, 0x12, 0x07, 0xC0, 0xE5, 0x3D,
+ 0xF0, 0x22, 0x85, 0x38, 0x38, 0x85, 0x39, 0x39,
+/*0C80*/0x85, 0x3A, 0x3A, 0x12, 0x08, 0x14, 0xE5, 0x38,
+ 0x12, 0x07, 0xC0, 0xE5, 0x39, 0xF0, 0x22, 0x7F,
+/*0C90*/0x06, 0x12, 0x17, 0x31, 0x12, 0x1D, 0x23, 0x12,
+ 0x0E, 0x04, 0x12, 0x0E, 0x33, 0xE0, 0x44, 0x0A,
+/*0CA0*/0xF0, 0x74, 0x8E, 0xFE, 0x12, 0x0E, 0x04, 0x12,
+ 0x0E, 0x0B, 0xEF, 0xF0, 0xE5, 0x28, 0x30, 0xE5,
+/*0CB0*/0x03, 0xD3, 0x80, 0x01, 0xC3, 0x40, 0x05, 0x75,
+ 0x14, 0x20, 0x80, 0x03, 0x75, 0x14, 0x08, 0x12,
+/*0CC0*/0x0E, 0x04, 0x75, 0x83, 0x8A, 0xE5, 0x14, 0xF0,
+ 0xB4, 0xFF, 0x05, 0x75, 0x12, 0x80, 0x80, 0x06,
+/*0CD0*/0xE5, 0x14, 0xC3, 0x13, 0xF5, 0x12, 0xE4, 0xF5,
+ 0x16, 0xF5, 0x7F, 0x12, 0x19, 0x36, 0x12, 0x13,
+/*0CE0*/0xA3, 0xE5, 0x0A, 0xC3, 0x94, 0x01, 0x50, 0x09,
+ 0x05, 0x16, 0xE5, 0x16, 0xC3, 0x94, 0x14, 0x40,
+/*0CF0*/0xEA, 0xE5, 0xE4, 0x20, 0xE7, 0x28, 0x12, 0x0E,
+ 0x04, 0x75, 0x83, 0xD2, 0xE0, 0x54, 0x08, 0xD3,
+/*0D00*/0x94, 0x00, 0x40, 0x04, 0x7F, 0x01, 0x80, 0x02,
+ 0x7F, 0x00, 0xE5, 0x0A, 0xC3, 0x94, 0x01, 0x40,
+/*0D10*/0x04, 0x7E, 0x01, 0x80, 0x02, 0x7E, 0x00, 0xEF,
+ 0x5E, 0x60, 0x03, 0x12, 0x1D, 0xD7, 0xE5, 0x7F,
+/*0D20*/0xC3, 0x94, 0x11, 0x40, 0x14, 0x12, 0x0E, 0x04,
+ 0x75, 0x83, 0xD2, 0xE0, 0x44, 0x80, 0xF0, 0xE5,
+/*0D30*/0xE4, 0x20, 0xE7, 0x0F, 0x12, 0x1D, 0xD7, 0x80,
+ 0x0A, 0x12, 0x0E, 0x04, 0x75, 0x83, 0xD2, 0xE0,
+/*0D40*/0x54, 0x7F, 0xF0, 0x12, 0x1D, 0x23, 0x22, 0x74,
+ 0x8A, 0x85, 0x08, 0x82, 0xF5, 0x83, 0xE5, 0x17,
+/*0D50*/0xF0, 0x12, 0x0E, 0x3A, 0xE4, 0xF0, 0x90, 0x07,
+ 0x02, 0xE0, 0x12, 0x0E, 0x17, 0x75, 0x83, 0x90,
+/*0D60*/0xEF, 0xF0, 0x74, 0x92, 0xFE, 0xE5, 0x08, 0x44,
+ 0x07, 0xFF, 0xF5, 0x82, 0x8E, 0x83, 0xE0, 0x54,
+/*0D70*/0xC0, 0xFD, 0x90, 0x07, 0x03, 0xE0, 0x54, 0x3F,
+ 0x4D, 0x8F, 0x82, 0x8E, 0x83, 0xF0, 0x90, 0x07,
+/*0D80*/0x04, 0xE0, 0x12, 0x0E, 0x17, 0x75, 0x83, 0x82,
+ 0xEF, 0xF0, 0x90, 0x07, 0x05, 0xE0, 0xFF, 0xED,
+/*0D90*/0x44, 0x07, 0xF5, 0x82, 0x75, 0x83, 0xB4, 0xEF,
+ 0x12, 0x0E, 0x03, 0x75, 0x83, 0x80, 0xE0, 0x54,
+/*0DA0*/0xBF, 0xF0, 0x30, 0x37, 0x0A, 0x12, 0x0E, 0x91,
+ 0x75, 0x83, 0x94, 0xE0, 0x44, 0x80, 0xF0, 0x30,
+/*0DB0*/0x38, 0x0A, 0x12, 0x0E, 0x91, 0x75, 0x83, 0x92,
+ 0xE0, 0x44, 0x80, 0xF0, 0xE5, 0x28, 0x30, 0xE4,
+/*0DC0*/0x1A, 0x20, 0x39, 0x0A, 0x12, 0x0E, 0x04, 0x75,
+ 0x83, 0x88, 0xE0, 0x54, 0x7F, 0xF0, 0x20, 0x3A,
+/*0DD0*/0x0A, 0x12, 0x0E, 0x04, 0x75, 0x83, 0x88, 0xE0,
+ 0x54, 0xBF, 0xF0, 0x74, 0x8C, 0xFE, 0x12, 0x0E,
+/*0DE0*/0x04, 0x8E, 0x83, 0xE0, 0x54, 0x0F, 0x12, 0x0E,
+ 0x03, 0x75, 0x83, 0x86, 0xE0, 0x54, 0xBF, 0xF0,
+/*0DF0*/0xE5, 0x08, 0x44, 0x06, 0x12, 0x0D, 0xFD, 0x75,
+ 0x83, 0x8A, 0xE4, 0xF0, 0x22, 0xF5, 0x82, 0x75,
+/*0E00*/0x83, 0x82, 0xE4, 0xF0, 0xE5, 0x08, 0x44, 0x07,
+ 0xF5, 0x82, 0x22, 0x8E, 0x83, 0xE0, 0xF5, 0x10,
+/*0E10*/0x54, 0xFE, 0xF0, 0xE5, 0x10, 0x44, 0x01, 0xFF,
+ 0xE5, 0x08, 0xFD, 0xED, 0x44, 0x07, 0xF5, 0x82,
+/*0E20*/0x22, 0xE5, 0x15, 0xC4, 0x54, 0x07, 0xFF, 0xE5,
+ 0x08, 0xFD, 0xED, 0x44, 0x08, 0xF5, 0x82, 0x75,
+/*0E30*/0x83, 0x82, 0x22, 0x75, 0x83, 0x80, 0xE0, 0x44,
+ 0x40, 0xF0, 0xE5, 0x08, 0x44, 0x08, 0xF5, 0x82,
+/*0E40*/0x75, 0x83, 0x8A, 0x22, 0xE5, 0x16, 0x25, 0xE0,
+ 0x25, 0xE0, 0x24, 0xAF, 0xF5, 0x82, 0xE4, 0x34,
+/*0E50*/0x1A, 0xF5, 0x83, 0xE4, 0x93, 0xF5, 0x0D, 0x22,
+ 0x43, 0xE1, 0x10, 0x43, 0xE1, 0x80, 0x53, 0xE1,
+/*0E60*/0xFD, 0x85, 0xE1, 0x10, 0x22, 0xE5, 0x16, 0x25,
+ 0xE0, 0x25, 0xE0, 0x24, 0xB2, 0xF5, 0x82, 0xE4,
+/*0E70*/0x34, 0x1A, 0xF5, 0x83, 0xE4, 0x93, 0x22, 0x85,
+ 0x55, 0x82, 0x85, 0x54, 0x83, 0xE5, 0x15, 0xF0,
+/*0E80*/0x22, 0xE5, 0xE2, 0x54, 0x20, 0xD3, 0x94, 0x00,
+ 0x22, 0xE5, 0xE2, 0x54, 0x40, 0xD3, 0x94, 0x00,
+/*0E90*/0x22, 0xE5, 0x08, 0x44, 0x06, 0xF5, 0x82, 0x22,
+ 0xFD, 0xE5, 0x08, 0xFB, 0xEB, 0x44, 0x07, 0xF5,
+/*0EA0*/0x82, 0x22, 0x53, 0xF9, 0xF7, 0x75, 0xFE, 0x30,
+ 0x22, 0xEF, 0x4E, 0x70, 0x26, 0x12, 0x07, 0xCC,
+/*0EB0*/0xE0, 0xFD, 0x90, 0x07, 0x26, 0x12, 0x07, 0x7B,
+ 0x12, 0x07, 0xD8, 0xE0, 0xFD, 0x90, 0x07, 0x28,
+/*0EC0*/0x12, 0x07, 0x7B, 0x12, 0x08, 0x81, 0x12, 0x07,
+ 0x72, 0x12, 0x08, 0x35, 0xE0, 0x90, 0x07, 0x24,
+/*0ED0*/0x12, 0x07, 0x78, 0xEF, 0x64, 0x04, 0x4E, 0x70,
+ 0x29, 0x12, 0x07, 0xE4, 0xE0, 0xFD, 0x90, 0x07,
+/*0EE0*/0x26, 0x12, 0x07, 0x7B, 0x12, 0x07, 0xF0, 0xE0,
+ 0xFD, 0x90, 0x07, 0x28, 0x12, 0x07, 0x7B, 0x12,
+/*0EF0*/0x08, 0x8B, 0x12, 0x07, 0x72, 0x12, 0x08, 0x41,
+ 0xE0, 0x54, 0x1F, 0xFD, 0x90, 0x07, 0x24, 0x12,
+/*0F00*/0x07, 0x7B, 0xEF, 0x64, 0x01, 0x4E, 0x70, 0x04,
+ 0x7D, 0x01, 0x80, 0x02, 0x7D, 0x00, 0xEF, 0x64,
+/*0F10*/0x02, 0x4E, 0x70, 0x04, 0x7F, 0x01, 0x80, 0x02,
+ 0x7F, 0x00, 0xEF, 0x4D, 0x60, 0x35, 0x12, 0x07,
+/*0F20*/0xFC, 0xE0, 0xFF, 0x90, 0x07, 0x26, 0x12, 0x07,
+ 0x89, 0xEF, 0xF0, 0x12, 0x08, 0x08, 0xE0, 0xFF,
+/*0F30*/0x90, 0x07, 0x28, 0x12, 0x07, 0x89, 0xEF, 0xF0,
+ 0x12, 0x08, 0x4D, 0xE0, 0x54, 0x1F, 0xFF, 0x12,
+/*0F40*/0x07, 0x86, 0xEF, 0xF0, 0x12, 0x08, 0x59, 0xE0,
+ 0x54, 0x1F, 0xFF, 0x90, 0x07, 0x24, 0x12, 0x07,
+/*0F50*/0x89, 0xEF, 0xF0, 0x22, 0xE4, 0xF5, 0x53, 0x12,
+ 0x0E, 0x81, 0x40, 0x04, 0x7F, 0x01, 0x80, 0x02,
+/*0F60*/0x7F, 0x00, 0x12, 0x0E, 0x89, 0x40, 0x04, 0x7E,
+ 0x01, 0x80, 0x02, 0x7E, 0x00, 0xEE, 0x4F, 0x70,
+/*0F70*/0x03, 0x02, 0x0F, 0xF6, 0x85, 0xE1, 0x10, 0x43,
+ 0xE1, 0x02, 0x53, 0xE1, 0x0F, 0x85, 0xE1, 0x10,
+/*0F80*/0xE4, 0xF5, 0x51, 0xE5, 0xE3, 0x54, 0x3F, 0xF5,
+ 0x52, 0x12, 0x0E, 0x89, 0x40, 0x1D, 0xAD, 0x52,
+/*0F90*/0xAF, 0x51, 0x12, 0x11, 0x18, 0xEF, 0x60, 0x08,
+ 0x85, 0xE1, 0x10, 0x43, 0xE1, 0x40, 0x80, 0x0B,
+/*0FA0*/0x53, 0xE1, 0xBF, 0x12, 0x0E, 0x58, 0x12, 0x00,
+ 0x06, 0x80, 0xFB, 0xE5, 0xE3, 0x54, 0x3F, 0xF5,
+/*0FB0*/0x51, 0xE5, 0xE4, 0x54, 0x3F, 0xF5, 0x52, 0x12,
+ 0x0E, 0x81, 0x40, 0x1D, 0xAD, 0x52, 0xAF, 0x51,
+/*0FC0*/0x12, 0x11, 0x18, 0xEF, 0x60, 0x08, 0x85, 0xE1,
+ 0x10, 0x43, 0xE1, 0x20, 0x80, 0x0B, 0x53, 0xE1,
+/*0FD0*/0xDF, 0x12, 0x0E, 0x58, 0x12, 0x00, 0x06, 0x80,
+ 0xFB, 0x12, 0x0E, 0x81, 0x40, 0x04, 0x7F, 0x01,
+/*0FE0*/0x80, 0x02, 0x7F, 0x00, 0x12, 0x0E, 0x89, 0x40,
+ 0x04, 0x7E, 0x01, 0x80, 0x02, 0x7E, 0x00, 0xEE,
+/*0FF0*/0x4F, 0x60, 0x03, 0x12, 0x0E, 0x5B, 0x22, 0x12,
+ 0x0E, 0x21, 0xEF, 0xF0, 0x12, 0x10, 0x91, 0x22,
+/*1000*/0x02, 0x11, 0x00, 0x02, 0x10, 0x40, 0x02, 0x10,
+ 0x90, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+/*1010*/0x01, 0x20, 0x01, 0x20, 0xE4, 0xF5, 0x57, 0x12,
+ 0x16, 0xBD, 0x12, 0x16, 0x44, 0xE4, 0x12, 0x10,
+/*1020*/0x56, 0x12, 0x14, 0xB7, 0x90, 0x07, 0x26, 0x12,
+ 0x07, 0x35, 0xE4, 0x12, 0x07, 0x31, 0xE4, 0xF0,
+/*1030*/0x12, 0x10, 0x56, 0x12, 0x14, 0xB7, 0x90, 0x07,
+ 0x26, 0x12, 0x07, 0x35, 0xE5, 0x41, 0x12, 0x07,
+/*1040*/0x31, 0xE5, 0x40, 0xF0, 0xAF, 0x57, 0x7E, 0x00,
+ 0xAD, 0x56, 0x7C, 0x00, 0x12, 0x04, 0x44, 0xAF,
+/*1050*/0x56, 0x7E, 0x00, 0x02, 0x11, 0xEE, 0xFF, 0x90,
+ 0x07, 0x20, 0xA3, 0xE0, 0xFD, 0xE4, 0xF5, 0x56,
+/*1060*/0xF5, 0x40, 0xFE, 0xFC, 0xAB, 0x56, 0xFA, 0x12,
+ 0x11, 0x51, 0x7F, 0x0F, 0x7D, 0x18, 0xE4, 0xF5,
+/*1070*/0x56, 0xF5, 0x40, 0xFE, 0xFC, 0xAB, 0x56, 0xFA,
+ 0x12, 0x15, 0x41, 0xAF, 0x56, 0x7E, 0x00, 0x12,
+/*1080*/0x1A, 0xFF, 0xE4, 0xFF, 0xF5, 0x56, 0x7D, 0x1F,
+ 0xF5, 0x40, 0xFE, 0xFC, 0xAB, 0x56, 0xFA, 0x22,
+/*1090*/0x22, 0xE4, 0xF5, 0x55, 0xE5, 0x08, 0xFD, 0x74,
+ 0xA0, 0xF5, 0x56, 0xED, 0x44, 0x07, 0xF5, 0x57,
+/*10A0*/0xE5, 0x28, 0x30, 0xE5, 0x03, 0xD3, 0x80, 0x01,
+ 0xC3, 0x40, 0x05, 0x7F, 0x28, 0xEF, 0x80, 0x04,
+/*10B0*/0x7F, 0x14, 0xEF, 0xC3, 0x13, 0xF5, 0x54, 0xE4,
+ 0xF9, 0x12, 0x0E, 0x18, 0x75, 0x83, 0x8E, 0xE0,
+/*10C0*/0xF5, 0x10, 0xCE, 0xEF, 0xCE, 0xEE, 0xD3, 0x94,
+ 0x00, 0x40, 0x26, 0xE5, 0x10, 0x54, 0xFE, 0x12,
+/*10D0*/0x0E, 0x98, 0x75, 0x83, 0x8E, 0xED, 0xF0, 0xE5,
+ 0x10, 0x44, 0x01, 0xFD, 0xEB, 0x44, 0x07, 0xF5,
+/*10E0*/0x82, 0xED, 0xF0, 0x85, 0x57, 0x82, 0x85, 0x56,
+ 0x83, 0xE0, 0x30, 0xE3, 0x01, 0x09, 0x1E, 0x80,
+/*10F0*/0xD4, 0xC2, 0x34, 0xE9, 0xC3, 0x95, 0x54, 0x40,
+ 0x02, 0xD2, 0x34, 0x22, 0x02, 0x00, 0x06, 0x22,
+/*1100*/0x30, 0x30, 0x11, 0x90, 0x10, 0x00, 0xE4, 0x93,
+ 0xF5, 0x10, 0x90, 0x10, 0x10, 0xE4, 0x93, 0xF5,
+/*1110*/0x10, 0x12, 0x10, 0x90, 0x12, 0x11, 0x50, 0x22,
+ 0xE4, 0xFC, 0xC3, 0xED, 0x9F, 0xFA, 0xEF, 0xF5,
+/*1120*/0x83, 0x75, 0x82, 0x00, 0x79, 0xFF, 0xE4, 0x93,
+ 0xCC, 0x6C, 0xCC, 0xA3, 0xD9, 0xF8, 0xDA, 0xF6,
+/*1130*/0xE5, 0xE2, 0x30, 0xE4, 0x02, 0x8C, 0xE5, 0xED,
+ 0x24, 0xFF, 0xFF, 0xEF, 0x75, 0x82, 0xFF, 0xF5,
+/*1140*/0x83, 0xE4, 0x93, 0x6C, 0x70, 0x03, 0x7F, 0x01,
+ 0x22, 0x7F, 0x00, 0x22, 0x22, 0x11, 0x00, 0x00,
+/*1150*/0x22, 0x8E, 0x58, 0x8F, 0x59, 0x8C, 0x5A, 0x8D,
+ 0x5B, 0x8A, 0x5C, 0x8B, 0x5D, 0x75, 0x5E, 0x01,
+/*1160*/0xE4, 0xF5, 0x5F, 0xF5, 0x60, 0xF5, 0x62, 0x12,
+ 0x07, 0x2A, 0x75, 0x83, 0xD0, 0xE0, 0xFF, 0xC4,
+/*1170*/0x54, 0x0F, 0xF5, 0x61, 0x12, 0x1E, 0xA5, 0x85,
+ 0x59, 0x5E, 0xD3, 0xE5, 0x5E, 0x95, 0x5B, 0xE5,
+/*1180*/0x5A, 0x12, 0x07, 0x6B, 0x50, 0x4B, 0x12, 0x07,
+ 0x03, 0x75, 0x83, 0xBC, 0xE0, 0x45, 0x5E, 0x12,
+/*1190*/0x07, 0x29, 0x75, 0x83, 0xBE, 0xE0, 0x45, 0x5E,
+ 0x12, 0x07, 0x29, 0x75, 0x83, 0xC0, 0xE0, 0x45,
+/*11A0*/0x5E, 0xF0, 0xAF, 0x5F, 0xE5, 0x60, 0x12, 0x08,
+ 0x78, 0x12, 0x0A, 0xFF, 0xAF, 0x62, 0x7E, 0x00,
+/*11B0*/0xAD, 0x5D, 0xAC, 0x5C, 0x12, 0x04, 0x44, 0xE5,
+ 0x61, 0xAF, 0x5E, 0x7E, 0x00, 0xB4, 0x03, 0x05,
+/*11C0*/0x12, 0x1E, 0x21, 0x80, 0x07, 0xAD, 0x5D, 0xAC,
+ 0x5C, 0x12, 0x13, 0x17, 0x05, 0x5E, 0x02, 0x11,
+/*11D0*/0x7A, 0x12, 0x07, 0x03, 0x75, 0x83, 0xBC, 0xE0,
+ 0x45, 0x40, 0x12, 0x07, 0x29, 0x75, 0x83, 0xBE,
+/*11E0*/0xE0, 0x45, 0x40, 0x12, 0x07, 0x29, 0x75, 0x83,
+ 0xC0, 0xE0, 0x45, 0x40, 0xF0, 0x22, 0x8E, 0x58,
+/*11F0*/0x8F, 0x59, 0x75, 0x5A, 0x01, 0x79, 0x01, 0x75,
+ 0x5B, 0x01, 0xE4, 0xFB, 0x12, 0x07, 0x2A, 0x75,
+/*1200*/0x83, 0xAE, 0xE0, 0x54, 0x1A, 0xFF, 0x12, 0x08,
+ 0x65, 0xE0, 0xC4, 0x13, 0x54, 0x07, 0xFE, 0xEF,
+/*1210*/0x70, 0x0C, 0xEE, 0x65, 0x35, 0x70, 0x07, 0x90,
+ 0x07, 0x2F, 0xE0, 0xB4, 0x01, 0x0D, 0xAF, 0x35,
+/*1220*/0x7E, 0x00, 0x12, 0x0E, 0xA9, 0xCF, 0xEB, 0xCF,
+ 0x02, 0x1E, 0x60, 0xE5, 0x59, 0x64, 0x02, 0x45,
+/*1230*/0x58, 0x70, 0x04, 0x7F, 0x01, 0x80, 0x02, 0x7F,
+ 0x00, 0xE5, 0x59, 0x45, 0x58, 0x70, 0x04, 0x7E,
+/*1240*/0x01, 0x80, 0x02, 0x7E, 0x00, 0xEE, 0x4F, 0x60,
+ 0x23, 0x85, 0x41, 0x49, 0x85, 0x40, 0x4B, 0xE5,
+/*1250*/0x59, 0x45, 0x58, 0x70, 0x2C, 0xAF, 0x5A, 0xFE,
+ 0xCD, 0xE9, 0xCD, 0xFC, 0xAB, 0x59, 0xAA, 0x58,
+/*1260*/0x12, 0x0A, 0xFF, 0xAF, 0x5B, 0x7E, 0x00, 0x12,
+ 0x1E, 0x60, 0x80, 0x15, 0xAF, 0x5B, 0x7E, 0x00,
+/*1270*/0x12, 0x1E, 0x60, 0x90, 0x07, 0x26, 0x12, 0x07,
+ 0x35, 0xE5, 0x49, 0x12, 0x07, 0x31, 0xE5, 0x4B,
+/*1280*/0xF0, 0xE4, 0xFD, 0xAF, 0x35, 0xFE, 0xFC, 0x12,
+ 0x09, 0x15, 0x22, 0x8C, 0x64, 0x8D, 0x65, 0x12,
+/*1290*/0x08, 0xDA, 0x40, 0x3C, 0xE5, 0x65, 0x45, 0x64,
+ 0x70, 0x10, 0x12, 0x09, 0x04, 0xC3, 0xE5, 0x3E,
+/*12A0*/0x12, 0x07, 0x69, 0x40, 0x3B, 0x12, 0x08, 0x95,
+ 0x80, 0x18, 0xE5, 0x3E, 0xC3, 0x95, 0x38, 0x40,
+/*12B0*/0x1D, 0x85, 0x3E, 0x38, 0xE5, 0x3E, 0x60, 0x05,
+ 0x85, 0x3F, 0x39, 0x80, 0x03, 0x85, 0x39, 0x39,
+/*12C0*/0x8F, 0x3A, 0x12, 0x07, 0xA8, 0xE5, 0x3E, 0x12,
+ 0x07, 0x53, 0xE5, 0x3F, 0xF0, 0x22, 0x80, 0x3B,
+/*12D0*/0xE5, 0x65, 0x45, 0x64, 0x70, 0x11, 0x12, 0x07,
+ 0x5F, 0x40, 0x05, 0x12, 0x08, 0x9E, 0x80, 0x1F,
+/*12E0*/0x12, 0x07, 0x3E, 0xE5, 0x41, 0xF0, 0x22, 0xE5,
+ 0x3C, 0xC3, 0x95, 0x38, 0x40, 0x1D, 0x85, 0x3C,
+/*12F0*/0x38, 0xE5, 0x3C, 0x60, 0x05, 0x85, 0x3D, 0x39,
+ 0x80, 0x03, 0x85, 0x39, 0x39, 0x8F, 0x3A, 0x12,
+/*1300*/0x07, 0xA8, 0xE5, 0x3C, 0x12, 0x07, 0x53, 0xE5,
+ 0x3D, 0xF0, 0x22, 0x12, 0x07, 0x9F, 0xE5, 0x38,
+/*1310*/0x12, 0x07, 0x53, 0xE5, 0x39, 0xF0, 0x22, 0x8C,
+ 0x63, 0x8D, 0x64, 0x12, 0x08, 0xDA, 0x40, 0x3C,
+/*1320*/0xE5, 0x64, 0x45, 0x63, 0x70, 0x10, 0x12, 0x09,
+ 0x04, 0xC3, 0xE5, 0x3E, 0x12, 0x07, 0x69, 0x40,
+/*1330*/0x3B, 0x12, 0x08, 0x95, 0x80, 0x18, 0xE5, 0x3E,
+ 0xC3, 0x95, 0x38, 0x40, 0x1D, 0x85, 0x3E, 0x38,
+/*1340*/0xE5, 0x3E, 0x60, 0x05, 0x85, 0x3F, 0x39, 0x80,
+ 0x03, 0x85, 0x39, 0x39, 0x8F, 0x3A, 0x12, 0x07,
+/*1350*/0xA8, 0xE5, 0x3E, 0x12, 0x07, 0x53, 0xE5, 0x3F,
+ 0xF0, 0x22, 0x80, 0x3B, 0xE5, 0x64, 0x45, 0x63,
+/*1360*/0x70, 0x11, 0x12, 0x07, 0x5F, 0x40, 0x05, 0x12,
+ 0x08, 0x9E, 0x80, 0x1F, 0x12, 0x07, 0x3E, 0xE5,
+/*1370*/0x41, 0xF0, 0x22, 0xE5, 0x3C, 0xC3, 0x95, 0x38,
+ 0x40, 0x1D, 0x85, 0x3C, 0x38, 0xE5, 0x3C, 0x60,
+/*1380*/0x05, 0x85, 0x3D, 0x39, 0x80, 0x03, 0x85, 0x39,
+ 0x39, 0x8F, 0x3A, 0x12, 0x07, 0xA8, 0xE5, 0x3C,
+/*1390*/0x12, 0x07, 0x53, 0xE5, 0x3D, 0xF0, 0x22, 0x12,
+ 0x07, 0x9F, 0xE5, 0x38, 0x12, 0x07, 0x53, 0xE5,
+/*13A0*/0x39, 0xF0, 0x22, 0xE5, 0x0D, 0xFE, 0xE5, 0x08,
+ 0x8E, 0x54, 0x44, 0x05, 0xF5, 0x55, 0x75, 0x15,
+/*13B0*/0x0F, 0xF5, 0x82, 0x12, 0x0E, 0x7A, 0x12, 0x17,
+ 0xA3, 0x20, 0x31, 0x05, 0x75, 0x15, 0x03, 0x80,
+/*13C0*/0x03, 0x75, 0x15, 0x0B, 0xE5, 0x0A, 0xC3, 0x94,
+ 0x01, 0x50, 0x38, 0x12, 0x14, 0x20, 0x20, 0x31,
+/*13D0*/0x06, 0x05, 0x15, 0x05, 0x15, 0x80, 0x04, 0x15,
+ 0x15, 0x15, 0x15, 0xE5, 0x0A, 0xC3, 0x94, 0x01,
+/*13E0*/0x50, 0x21, 0x12, 0x14, 0x20, 0x20, 0x31, 0x04,
+ 0x05, 0x15, 0x80, 0x02, 0x15, 0x15, 0xE5, 0x0A,
+/*13F0*/0xC3, 0x94, 0x01, 0x50, 0x0E, 0x12, 0x0E, 0x77,
+ 0x12, 0x17, 0xA3, 0x20, 0x31, 0x05, 0x05, 0x15,
+/*1400*/0x12, 0x0E, 0x77, 0xE5, 0x15, 0xB4, 0x08, 0x04,
+ 0x7F, 0x01, 0x80, 0x02, 0x7F, 0x00, 0xE5, 0x15,
+/*1410*/0xB4, 0x07, 0x04, 0x7E, 0x01, 0x80, 0x02, 0x7E,
+ 0x00, 0xEE, 0x4F, 0x60, 0x02, 0x05, 0x7F, 0x22,
+/*1420*/0x85, 0x55, 0x82, 0x85, 0x54, 0x83, 0xE5, 0x15,
+ 0xF0, 0x12, 0x17, 0xA3, 0x22, 0x12, 0x07, 0x2A,
+/*1430*/0x75, 0x83, 0xAE, 0x74, 0xFF, 0x12, 0x07, 0x29,
+ 0xE0, 0x54, 0x1A, 0xF5, 0x34, 0xE0, 0xC4, 0x13,
+/*1440*/0x54, 0x07, 0xF5, 0x35, 0x24, 0xFE, 0x60, 0x24,
+ 0x24, 0xFE, 0x60, 0x3C, 0x24, 0x04, 0x70, 0x63,
+/*1450*/0x75, 0x31, 0x2D, 0xE5, 0x08, 0xFD, 0x74, 0xB6,
+ 0x12, 0x07, 0x92, 0x74, 0xBC, 0x90, 0x07, 0x22,
+/*1460*/0x12, 0x07, 0x95, 0x74, 0x90, 0x12, 0x07, 0xB3,
+ 0x74, 0x92, 0x80, 0x3C, 0x75, 0x31, 0x3A, 0xE5,
+/*1470*/0x08, 0xFD, 0x74, 0xBA, 0x12, 0x07, 0x92, 0x74,
+ 0xC0, 0x90, 0x07, 0x22, 0x12, 0x07, 0xB6, 0x74,
+/*1480*/0xC4, 0x12, 0x07, 0xB3, 0x74, 0xC8, 0x80, 0x20,
+ 0x75, 0x31, 0x35, 0xE5, 0x08, 0xFD, 0x74, 0xB8,
+/*1490*/0x12, 0x07, 0x92, 0x74, 0xBE, 0xFF, 0xED, 0x44,
+ 0x07, 0x90, 0x07, 0x22, 0xCF, 0xF0, 0xA3, 0xEF,
+/*14A0*/0xF0, 0x74, 0xC2, 0x12, 0x07, 0xB3, 0x74, 0xC6,
+ 0xFF, 0xED, 0x44, 0x07, 0xA3, 0xCF, 0xF0, 0xA3,
+/*14B0*/0xEF, 0xF0, 0x22, 0x75, 0x34, 0x01, 0x22, 0x8E,
+ 0x58, 0x8F, 0x59, 0x8C, 0x5A, 0x8D, 0x5B, 0x8A,
+/*14C0*/0x5C, 0x8B, 0x5D, 0x75, 0x5E, 0x01, 0xE4, 0xF5,
+ 0x5F, 0x12, 0x1E, 0xA5, 0x85, 0x59, 0x5E, 0xD3,
+/*14D0*/0xE5, 0x5E, 0x95, 0x5B, 0xE5, 0x5A, 0x12, 0x07,
+ 0x6B, 0x50, 0x57, 0xE5, 0x5D, 0x45, 0x5C, 0x70,
+/*14E0*/0x30, 0x12, 0x07, 0x2A, 0x75, 0x83, 0x92, 0xE5,
+ 0x5E, 0x12, 0x07, 0x29, 0x75, 0x83, 0xC6, 0xE5,
+/*14F0*/0x5E, 0x12, 0x07, 0x29, 0x75, 0x83, 0xC8, 0xE5,
+ 0x5E, 0x12, 0x07, 0x29, 0x75, 0x83, 0x90, 0xE5,
+/*1500*/0x5E, 0x12, 0x07, 0x29, 0x75, 0x83, 0xC2, 0xE5,
+ 0x5E, 0x12, 0x07, 0x29, 0x75, 0x83, 0xC4, 0x80,
+/*1510*/0x03, 0x12, 0x07, 0x32, 0xE5, 0x5E, 0xF0, 0xAF,
+ 0x5F, 0x7E, 0x00, 0xAD, 0x5D, 0xAC, 0x5C, 0x12,
+/*1520*/0x04, 0x44, 0xAF, 0x5E, 0x7E, 0x00, 0xAD, 0x5D,
+ 0xAC, 0x5C, 0x12, 0x0B, 0xD1, 0x05, 0x5E, 0x02,
+/*1530*/0x14, 0xCF, 0xAB, 0x5D, 0xAA, 0x5C, 0xAD, 0x5B,
+ 0xAC, 0x5A, 0xAF, 0x59, 0xAE, 0x58, 0x02, 0x1B,
+/*1540*/0xFB, 0x8C, 0x5C, 0x8D, 0x5D, 0x8A, 0x5E, 0x8B,
+ 0x5F, 0x75, 0x60, 0x01, 0xE4, 0xF5, 0x61, 0xF5,
+/*1550*/0x62, 0xF5, 0x63, 0x12, 0x1E, 0xA5, 0x8F, 0x60,
+ 0xD3, 0xE5, 0x60, 0x95, 0x5D, 0xE5, 0x5C, 0x12,
+/*1560*/0x07, 0x6B, 0x50, 0x61, 0xE5, 0x5F, 0x45, 0x5E,
+ 0x70, 0x27, 0x12, 0x07, 0x2A, 0x75, 0x83, 0xB6,
+/*1570*/0xE5, 0x60, 0x12, 0x07, 0x29, 0x75, 0x83, 0xB8,
+ 0xE5, 0x60, 0x12, 0x07, 0x29, 0x75, 0x83, 0xBA,
+/*1580*/0xE5, 0x60, 0xF0, 0xAF, 0x61, 0x7E, 0x00, 0xE5,
+ 0x62, 0x12, 0x08, 0x7A, 0x12, 0x0A, 0xFF, 0x80,
+/*1590*/0x19, 0x90, 0x07, 0x24, 0x12, 0x07, 0x35, 0xE5,
+ 0x60, 0x12, 0x07, 0x29, 0x75, 0x83, 0x8E, 0xE4,
+/*15A0*/0x12, 0x07, 0x29, 0x74, 0x01, 0x12, 0x07, 0x29,
+ 0xE4, 0xF0, 0xAF, 0x63, 0x7E, 0x00, 0xAD, 0x5F,
+/*15B0*/0xAC, 0x5E, 0x12, 0x04, 0x44, 0xAF, 0x60, 0x7E,
+ 0x00, 0xAD, 0x5F, 0xAC, 0x5E, 0x12, 0x12, 0x8B,
+/*15C0*/0x05, 0x60, 0x02, 0x15, 0x58, 0x22, 0x90, 0x11,
+ 0x4D, 0xE4, 0x93, 0x90, 0x07, 0x2E, 0xF0, 0x12,
+/*15D0*/0x08, 0x1F, 0x75, 0x83, 0xAE, 0xE0, 0x54, 0x1A,
+ 0xF5, 0x34, 0x70, 0x67, 0xEF, 0x44, 0x07, 0xF5,
+/*15E0*/0x82, 0x75, 0x83, 0xCE, 0xE0, 0xFF, 0x13, 0x13,
+ 0x13, 0x54, 0x07, 0xF5, 0x36, 0x54, 0x0F, 0xD3,
+/*15F0*/0x94, 0x00, 0x40, 0x06, 0x12, 0x14, 0x2D, 0x12,
+ 0x1B, 0xA9, 0xE5, 0x36, 0x54, 0x0F, 0x24, 0xFE,
+/*1600*/0x60, 0x0C, 0x14, 0x60, 0x0C, 0x14, 0x60, 0x19,
+ 0x24, 0x03, 0x70, 0x37, 0x80, 0x10, 0x02, 0x1E,
+/*1610*/0x91, 0x12, 0x1E, 0x91, 0x12, 0x07, 0x2A, 0x75,
+ 0x83, 0xCE, 0xE0, 0x54, 0xEF, 0xF0, 0x02, 0x1D,
+/*1620*/0xAE, 0x12, 0x10, 0x14, 0xE4, 0xF5, 0x55, 0x12,
+ 0x1D, 0x85, 0x05, 0x55, 0xE5, 0x55, 0xC3, 0x94,
+/*1630*/0x05, 0x40, 0xF4, 0x12, 0x07, 0x2A, 0x75, 0x83,
+ 0xCE, 0xE0, 0x54, 0xC7, 0x12, 0x07, 0x29, 0xE0,
+/*1640*/0x44, 0x08, 0xF0, 0x22, 0xE4, 0xF5, 0x58, 0xF5,
+ 0x59, 0xAF, 0x08, 0xEF, 0x44, 0x07, 0xF5, 0x82,
+/*1650*/0x75, 0x83, 0xD0, 0xE0, 0xFD, 0xC4, 0x54, 0x0F,
+ 0xF5, 0x5A, 0xEF, 0x44, 0x07, 0xF5, 0x82, 0x75,
+/*1660*/0x83, 0x80, 0x74, 0x01, 0xF0, 0x12, 0x08, 0x21,
+ 0x75, 0x83, 0x82, 0xE5, 0x45, 0xF0, 0xEF, 0x44,
+/*1670*/0x07, 0xF5, 0x82, 0x75, 0x83, 0x8A, 0x74, 0xFF,
+ 0xF0, 0x12, 0x1A, 0x4D, 0x12, 0x07, 0x2A, 0x75,
+/*1680*/0x83, 0xBC, 0xE0, 0x54, 0xEF, 0x12, 0x07, 0x29,
+ 0x75, 0x83, 0xBE, 0xE0, 0x54, 0xEF, 0x12, 0x07,
+/*1690*/0x29, 0x75, 0x83, 0xC0, 0xE0, 0x54, 0xEF, 0x12,
+ 0x07, 0x29, 0x75, 0x83, 0xBC, 0xE0, 0x44, 0x10,
+/*16A0*/0x12, 0x07, 0x29, 0x75, 0x83, 0xBE, 0xE0, 0x44,
+ 0x10, 0x12, 0x07, 0x29, 0x75, 0x83, 0xC0, 0xE0,
+/*16B0*/0x44, 0x10, 0xF0, 0xAF, 0x58, 0xE5, 0x59, 0x12,
+ 0x08, 0x78, 0x02, 0x0A, 0xFF, 0xE4, 0xF5, 0x58,
+/*16C0*/0x7D, 0x01, 0xF5, 0x59, 0xAF, 0x35, 0xFE, 0xFC,
+ 0x12, 0x09, 0x15, 0x12, 0x07, 0x2A, 0x75, 0x83,
+/*16D0*/0xB6, 0x74, 0x10, 0x12, 0x07, 0x29, 0x75, 0x83,
+ 0xB8, 0x74, 0x10, 0x12, 0x07, 0x29, 0x75, 0x83,
+/*16E0*/0xBA, 0x74, 0x10, 0x12, 0x07, 0x29, 0x75, 0x83,
+ 0xBC, 0x74, 0x10, 0x12, 0x07, 0x29, 0x75, 0x83,
+/*16F0*/0xBE, 0x74, 0x10, 0x12, 0x07, 0x29, 0x75, 0x83,
+ 0xC0, 0x74, 0x10, 0x12, 0x07, 0x29, 0x75, 0x83,
+/*1700*/0x90, 0xE4, 0x12, 0x07, 0x29, 0x75, 0x83, 0xC2,
+ 0xE4, 0x12, 0x07, 0x29, 0x75, 0x83, 0xC4, 0xE4,
+/*1710*/0x12, 0x07, 0x29, 0x75, 0x83, 0x92, 0xE4, 0x12,
+ 0x07, 0x29, 0x75, 0x83, 0xC6, 0xE4, 0x12, 0x07,
+/*1720*/0x29, 0x75, 0x83, 0xC8, 0xE4, 0xF0, 0xAF, 0x58,
+ 0xFE, 0xE5, 0x59, 0x12, 0x08, 0x7A, 0x02, 0x0A,
+/*1730*/0xFF, 0xE5, 0xE2, 0x30, 0xE4, 0x6C, 0xE5, 0xE7,
+ 0x54, 0xC0, 0x64, 0x40, 0x70, 0x64, 0xE5, 0x09,
+/*1740*/0xC4, 0x54, 0x30, 0xFE, 0xE5, 0x08, 0x25, 0xE0,
+ 0x25, 0xE0, 0x54, 0xC0, 0x4E, 0xFE, 0xEF, 0x54,
+/*1750*/0x3F, 0x4E, 0xFD, 0xE5, 0x2B, 0xAE, 0x2A, 0x78,
+ 0x02, 0xC3, 0x33, 0xCE, 0x33, 0xCE, 0xD8, 0xF9,
+/*1760*/0xF5, 0x82, 0x8E, 0x83, 0xED, 0xF0, 0xE5, 0x2B,
+ 0xAE, 0x2A, 0x78, 0x02, 0xC3, 0x33, 0xCE, 0x33,
+/*1770*/0xCE, 0xD8, 0xF9, 0xFF, 0xF5, 0x82, 0x8E, 0x83,
+ 0xA3, 0xE5, 0xFE, 0xF0, 0x8F, 0x82, 0x8E, 0x83,
+/*1780*/0xA3, 0xA3, 0xE5, 0xFD, 0xF0, 0x8F, 0x82, 0x8E,
+ 0x83, 0xA3, 0xA3, 0xA3, 0xE5, 0xFC, 0xF0, 0xC3,
+/*1790*/0xE5, 0x2B, 0x94, 0xFA, 0xE5, 0x2A, 0x94, 0x00,
+ 0x50, 0x08, 0x05, 0x2B, 0xE5, 0x2B, 0x70, 0x02,
+/*17A0*/0x05, 0x2A, 0x22, 0xE4, 0xFF, 0xE4, 0xF5, 0x58,
+ 0xF5, 0x56, 0xF5, 0x57, 0x74, 0x82, 0xFC, 0x12,
+/*17B0*/0x0E, 0x04, 0x8C, 0x83, 0xE0, 0xF5, 0x10, 0x54,
+ 0x7F, 0xF0, 0xE5, 0x10, 0x44, 0x80, 0x12, 0x0E,
+/*17C0*/0x98, 0xED, 0xF0, 0x7E, 0x0A, 0x12, 0x0E, 0x04,
+ 0x75, 0x83, 0xA0, 0xE0, 0x20, 0xE0, 0x26, 0xDE,
+/*17D0*/0xF4, 0x05, 0x57, 0xE5, 0x57, 0x70, 0x02, 0x05,
+ 0x56, 0xE5, 0x14, 0x24, 0x01, 0xFD, 0xE4, 0x33,
+/*17E0*/0xFC, 0xD3, 0xE5, 0x57, 0x9D, 0xE5, 0x56, 0x9C,
+ 0x40, 0xD9, 0xE5, 0x0A, 0x94, 0x20, 0x50, 0x02,
+/*17F0*/0x05, 0x0A, 0x43, 0xE1, 0x08, 0xC2, 0x31, 0x12,
+ 0x0E, 0x04, 0x75, 0x83, 0xA6, 0xE0, 0x55, 0x12,
+/*1800*/0x65, 0x12, 0x70, 0x03, 0xD2, 0x31, 0x22, 0xC2,
+ 0x31, 0x22, 0x90, 0x07, 0x26, 0xE0, 0xFA, 0xA3,
+/*1810*/0xE0, 0xF5, 0x82, 0x8A, 0x83, 0xE0, 0xF5, 0x41,
+ 0xE5, 0x39, 0xC3, 0x95, 0x41, 0x40, 0x26, 0xE5,
+/*1820*/0x39, 0x95, 0x41, 0xC3, 0x9F, 0xEE, 0x12, 0x07,
+ 0x6B, 0x40, 0x04, 0x7C, 0x01, 0x80, 0x02, 0x7C,
+/*1830*/0x00, 0xE5, 0x41, 0x64, 0x3F, 0x60, 0x04, 0x7B,
+ 0x01, 0x80, 0x02, 0x7B, 0x00, 0xEC, 0x5B, 0x60,
+/*1840*/0x29, 0x05, 0x41, 0x80, 0x28, 0xC3, 0xE5, 0x41,
+ 0x95, 0x39, 0xC3, 0x9F, 0xEE, 0x12, 0x07, 0x6B,
+/*1850*/0x40, 0x04, 0x7F, 0x01, 0x80, 0x02, 0x7F, 0x00,
+ 0xE5, 0x41, 0x60, 0x04, 0x7E, 0x01, 0x80, 0x02,
+/*1860*/0x7E, 0x00, 0xEF, 0x5E, 0x60, 0x04, 0x15, 0x41,
+ 0x80, 0x03, 0x85, 0x39, 0x41, 0x85, 0x3A, 0x40,
+/*1870*/0x22, 0xE5, 0xE2, 0x30, 0xE4, 0x60, 0xE5, 0xE1,
+ 0x30, 0xE2, 0x5B, 0xE5, 0x09, 0x70, 0x04, 0x7F,
+/*1880*/0x01, 0x80, 0x02, 0x7F, 0x00, 0xE5, 0x08, 0x70,
+ 0x04, 0x7E, 0x01, 0x80, 0x02, 0x7E, 0x00, 0xEE,
+/*1890*/0x5F, 0x60, 0x43, 0x53, 0xF9, 0xF8, 0xE5, 0xE2,
+ 0x30, 0xE4, 0x3B, 0xE5, 0xE1, 0x30, 0xE2, 0x2E,
+/*18A0*/0x43, 0xFA, 0x02, 0x53, 0xFA, 0xFB, 0xE4, 0xF5,
+ 0x10, 0x90, 0x94, 0x70, 0xE5, 0x10, 0xF0, 0xE5,
+/*18B0*/0xE1, 0x30, 0xE2, 0xE7, 0x90, 0x94, 0x70, 0xE0,
+ 0x65, 0x10, 0x60, 0x03, 0x43, 0xFA, 0x04, 0x05,
+/*18C0*/0x10, 0x90, 0x94, 0x70, 0xE5, 0x10, 0xF0, 0x70,
+ 0xE6, 0x12, 0x00, 0x06, 0x80, 0xE1, 0x53, 0xFA,
+/*18D0*/0xFD, 0x53, 0xFA, 0xFB, 0x80, 0xC0, 0x22, 0x8F,
+ 0x54, 0x12, 0x00, 0x06, 0xE5, 0xE1, 0x30, 0xE0,
+/*18E0*/0x04, 0x7F, 0x01, 0x80, 0x02, 0x7F, 0x00, 0xE5,
+ 0x7E, 0xD3, 0x94, 0x05, 0x40, 0x04, 0x7E, 0x01,
+/*18F0*/0x80, 0x02, 0x7E, 0x00, 0xEE, 0x4F, 0x60, 0x3D,
+ 0x85, 0x54, 0x11, 0xE5, 0xE2, 0x20, 0xE1, 0x32,
+/*1900*/0x74, 0xCE, 0x12, 0x1A, 0x05, 0x30, 0xE7, 0x04,
+ 0x7D, 0x01, 0x80, 0x02, 0x7D, 0x00, 0x8F, 0x82,
+/*1910*/0x8E, 0x83, 0xE0, 0x30, 0xE6, 0x04, 0x7F, 0x01,
+ 0x80, 0x02, 0x7F, 0x00, 0xEF, 0x5D, 0x70, 0x15,
+/*1920*/0x12, 0x15, 0xC6, 0x74, 0xCE, 0x12, 0x1A, 0x05,
+ 0x30, 0xE6, 0x07, 0xE0, 0x44, 0x80, 0xF0, 0x43,
+/*1930*/0xF9, 0x80, 0x12, 0x18, 0x71, 0x22, 0x12, 0x0E,
+ 0x44, 0xE5, 0x16, 0x25, 0xE0, 0x25, 0xE0, 0x24,
+/*1940*/0xB0, 0xF5, 0x82, 0xE4, 0x34, 0x1A, 0xF5, 0x83,
+ 0xE4, 0x93, 0xF5, 0x0F, 0xE5, 0x16, 0x25, 0xE0,
+/*1950*/0x25, 0xE0, 0x24, 0xB1, 0xF5, 0x82, 0xE4, 0x34,
+ 0x1A, 0xF5, 0x83, 0xE4, 0x93, 0xF5, 0x0E, 0x12,
+/*1960*/0x0E, 0x65, 0xF5, 0x10, 0xE5, 0x0F, 0x54, 0xF0,
+ 0x12, 0x0E, 0x17, 0x75, 0x83, 0x8C, 0xEF, 0xF0,
+/*1970*/0xE5, 0x0F, 0x30, 0xE0, 0x0C, 0x12, 0x0E, 0x04,
+ 0x75, 0x83, 0x86, 0xE0, 0x44, 0x40, 0xF0, 0x80,
+/*1980*/0x0A, 0x12, 0x0E, 0x04, 0x75, 0x83, 0x86, 0xE0,
+ 0x54, 0xBF, 0xF0, 0x12, 0x0E, 0x91, 0x75, 0x83,
+/*1990*/0x82, 0xE5, 0x0E, 0xF0, 0x22, 0x7F, 0x05, 0x12,
+ 0x17, 0x31, 0x12, 0x0E, 0x04, 0x12, 0x0E, 0x33,
+/*19A0*/0x74, 0x02, 0xF0, 0x74, 0x8E, 0xFE, 0x12, 0x0E,
+ 0x04, 0x12, 0x0E, 0x0B, 0xEF, 0xF0, 0x75, 0x15,
+/*19B0*/0x70, 0x12, 0x0F, 0xF7, 0x20, 0x34, 0x05, 0x75,
+ 0x15, 0x10, 0x80, 0x03, 0x75, 0x15, 0x50, 0x12,
+/*19C0*/0x0F, 0xF7, 0x20, 0x34, 0x04, 0x74, 0x10, 0x80,
+ 0x02, 0x74, 0xF0, 0x25, 0x15, 0xF5, 0x15, 0x12,
+/*19D0*/0x0E, 0x21, 0xEF, 0xF0, 0x12, 0x10, 0x91, 0x20,
+ 0x34, 0x17, 0xE5, 0x15, 0x64, 0x30, 0x60, 0x0C,
+/*19E0*/0x74, 0x10, 0x25, 0x15, 0xF5, 0x15, 0xB4, 0x80,
+ 0x03, 0xE4, 0xF5, 0x15, 0x12, 0x0E, 0x21, 0xEF,
+/*19F0*/0xF0, 0x22, 0xF0, 0xE5, 0x0B, 0x25, 0xE0, 0x25,
+ 0xE0, 0x24, 0x82, 0xF5, 0x82, 0xE4, 0x34, 0x07,
+/*1A00*/0xF5, 0x83, 0x22, 0x74, 0x88, 0xFE, 0xE5, 0x08,
+ 0x44, 0x07, 0xFF, 0xF5, 0x82, 0x8E, 0x83, 0xE0,
+/*1A10*/0x22, 0xF0, 0xE5, 0x08, 0x44, 0x07, 0xF5, 0x82,
+ 0x22, 0xF0, 0xE0, 0x54, 0xC0, 0x8F, 0x82, 0x8E,
+/*1A20*/0x83, 0xF0, 0x22, 0xEF, 0x44, 0x07, 0xF5, 0x82,
+ 0x75, 0x83, 0x86, 0xE0, 0x54, 0x10, 0xD3, 0x94,
+/*1A30*/0x00, 0x22, 0xF0, 0x90, 0x07, 0x15, 0xE0, 0x04,
+ 0xF0, 0x22, 0x44, 0x06, 0xF5, 0x82, 0x75, 0x83,
+/*1A40*/0x9E, 0xE0, 0x22, 0xFE, 0xEF, 0x44, 0x07, 0xF5,
+ 0x82, 0x8E, 0x83, 0xE0, 0x22, 0xE4, 0x90, 0x07,
+/*1A50*/0x2A, 0xF0, 0xA3, 0xF0, 0x12, 0x07, 0x2A, 0x75,
+ 0x83, 0x82, 0xE0, 0x54, 0x7F, 0x12, 0x07, 0x29,
+/*1A60*/0xE0, 0x44, 0x80, 0xF0, 0x12, 0x10, 0xFC, 0x12,
+ 0x08, 0x1F, 0x75, 0x83, 0xA0, 0xE0, 0x20, 0xE0,
+/*1A70*/0x1A, 0x90, 0x07, 0x2B, 0xE0, 0x04, 0xF0, 0x70,
+ 0x06, 0x90, 0x07, 0x2A, 0xE0, 0x04, 0xF0, 0x90,
+/*1A80*/0x07, 0x2A, 0xE0, 0xB4, 0x10, 0xE1, 0xA3, 0xE0,
+ 0xB4, 0x00, 0xDC, 0xEE, 0x44, 0xA6, 0xFC, 0xEF,
+/*1A90*/0x44, 0x07, 0xF5, 0x82, 0x8C, 0x83, 0xE0, 0xF5,
+ 0x32, 0xEE, 0x44, 0xA8, 0xFE, 0xEF, 0x44, 0x07,
+/*1AA0*/0xF5, 0x82, 0x8E, 0x83, 0xE0, 0xF5, 0x33, 0x22,
+ 0x01, 0x20, 0x11, 0x00, 0x04, 0x20, 0x00, 0x90,
+/*1AB0*/0x00, 0x20, 0x0F, 0x92, 0x00, 0x21, 0x0F, 0x94,
+ 0x00, 0x22, 0x0F, 0x96, 0x00, 0x23, 0x0F, 0x98,
+/*1AC0*/0x00, 0x24, 0x0F, 0x9A, 0x00, 0x25, 0x0F, 0x9C,
+ 0x00, 0x26, 0x0F, 0x9E, 0x00, 0x27, 0x0F, 0xA0,
+/*1AD0*/0x01, 0x20, 0x01, 0xA2, 0x01, 0x21, 0x01, 0xA4,
+ 0x01, 0x22, 0x01, 0xA6, 0x01, 0x23, 0x01, 0xA8,
+/*1AE0*/0x01, 0x24, 0x01, 0xAA, 0x01, 0x25, 0x01, 0xAC,
+ 0x01, 0x26, 0x01, 0xAE, 0x01, 0x27, 0x01, 0xB0,
+/*1AF0*/0x01, 0x28, 0x01, 0xB4, 0x00, 0x28, 0x0F, 0xB6,
+ 0x40, 0x28, 0x0F, 0xB8, 0x61, 0x28, 0x01, 0xCB,
+/*1B00*/0xEF, 0xCB, 0xCA, 0xEE, 0xCA, 0x7F, 0x01, 0xE4,
+ 0xFD, 0xEB, 0x4A, 0x70, 0x24, 0xE5, 0x08, 0xF5,
+/*1B10*/0x82, 0x74, 0xB6, 0x12, 0x08, 0x29, 0xE5, 0x08,
+ 0xF5, 0x82, 0x74, 0xB8, 0x12, 0x08, 0x29, 0xE5,
+/*1B20*/0x08, 0xF5, 0x82, 0x74, 0xBA, 0x12, 0x08, 0x29,
+ 0x7E, 0x00, 0x7C, 0x00, 0x12, 0x0A, 0xFF, 0x80,
+/*1B30*/0x12, 0x90, 0x07, 0x26, 0x12, 0x07, 0x35, 0xE5,
+ 0x41, 0xF0, 0x90, 0x07, 0x24, 0x12, 0x07, 0x35,
+/*1B40*/0xE5, 0x40, 0xF0, 0x12, 0x07, 0x2A, 0x75, 0x83,
+ 0x8E, 0xE4, 0x12, 0x07, 0x29, 0x74, 0x01, 0x12,
+/*1B50*/0x07, 0x29, 0xE4, 0xF0, 0x22, 0xE4, 0xF5, 0x26,
+ 0xF5, 0x27, 0x53, 0xE1, 0xFE, 0xF5, 0x2A, 0x75,
+/*1B60*/0x2B, 0x01, 0xF5, 0x08, 0x7F, 0x01, 0x12, 0x17,
+ 0x31, 0x30, 0x30, 0x1C, 0x90, 0x1A, 0xA9, 0xE4,
+/*1B70*/0x93, 0xF5, 0x10, 0x90, 0x1F, 0xF9, 0xE4, 0x93,
+ 0xF5, 0x10, 0x90, 0x00, 0x41, 0xE4, 0x93, 0xF5,
+/*1B80*/0x10, 0x90, 0x1E, 0xCA, 0xE4, 0x93, 0xF5, 0x10,
+ 0x7F, 0x02, 0x12, 0x17, 0x31, 0x12, 0x0F, 0x54,
+/*1B90*/0x7F, 0x03, 0x12, 0x17, 0x31, 0x12, 0x00, 0x06,
+ 0xE5, 0xE2, 0x30, 0xE7, 0x09, 0x12, 0x10, 0x00,
+/*1BA0*/0x30, 0x30, 0x03, 0x12, 0x11, 0x00, 0x02, 0x00,
+ 0x47, 0x12, 0x08, 0x1F, 0x75, 0x83, 0xD0, 0xE0,
+/*1BB0*/0xC4, 0x54, 0x0F, 0xFD, 0x75, 0x43, 0x01, 0x75,
+ 0x44, 0xFF, 0x12, 0x08, 0xAA, 0x74, 0x04, 0xF0,
+/*1BC0*/0x75, 0x3B, 0x01, 0xED, 0x14, 0x60, 0x0C, 0x14,
+ 0x60, 0x0B, 0x14, 0x60, 0x0F, 0x24, 0x03, 0x70,
+/*1BD0*/0x0B, 0x80, 0x09, 0x80, 0x00, 0x12, 0x08, 0xA7,
+ 0x04, 0xF0, 0x80, 0x06, 0x12, 0x08, 0xA7, 0x74,
+/*1BE0*/0x04, 0xF0, 0xEE, 0x44, 0x82, 0xFE, 0xEF, 0x44,
+ 0x07, 0xF5, 0x82, 0x8E, 0x83, 0xE5, 0x45, 0x12,
+/*1BF0*/0x08, 0xBE, 0x75, 0x83, 0x82, 0xE5, 0x31, 0xF0,
+ 0x02, 0x11, 0x4C, 0x8E, 0x60, 0x8F, 0x61, 0x12,
+/*1C00*/0x1E, 0xA5, 0xE4, 0xFF, 0xCE, 0xED, 0xCE, 0xEE,
+ 0xD3, 0x95, 0x61, 0xE5, 0x60, 0x12, 0x07, 0x6B,
+/*1C10*/0x40, 0x39, 0x74, 0x20, 0x2E, 0xF5, 0x82, 0xE4,
+ 0x34, 0x03, 0xF5, 0x83, 0xE0, 0x70, 0x03, 0xFF,
+/*1C20*/0x80, 0x26, 0x12, 0x08, 0xE2, 0xFD, 0xC3, 0x9F,
+ 0x40, 0x1E, 0xCF, 0xED, 0xCF, 0xEB, 0x4A, 0x70,
+/*1C30*/0x0B, 0x8D, 0x42, 0x12, 0x08, 0xEE, 0xF5, 0x41,
+ 0x8E, 0x40, 0x80, 0x0C, 0x12, 0x08, 0xE2, 0xF5,
+/*1C40*/0x38, 0x12, 0x08, 0xEE, 0xF5, 0x39, 0x8E, 0x3A,
+ 0x1E, 0x80, 0xBC, 0x22, 0x75, 0x58, 0x01, 0xE5,
+/*1C50*/0x35, 0x70, 0x0C, 0x12, 0x07, 0xCC, 0xE0, 0xF5,
+ 0x4A, 0x12, 0x07, 0xD8, 0xE0, 0xF5, 0x4C, 0xE5,
+/*1C60*/0x35, 0xB4, 0x04, 0x0C, 0x12, 0x07, 0xE4, 0xE0,
+ 0xF5, 0x4A, 0x12, 0x07, 0xF0, 0xE0, 0xF5, 0x4C,
+/*1C70*/0xE5, 0x35, 0xB4, 0x01, 0x04, 0x7F, 0x01, 0x80,
+ 0x02, 0x7F, 0x00, 0xE5, 0x35, 0xB4, 0x02, 0x04,
+/*1C80*/0x7E, 0x01, 0x80, 0x02, 0x7E, 0x00, 0xEE, 0x4F,
+ 0x60, 0x0C, 0x12, 0x07, 0xFC, 0xE0, 0xF5, 0x4A,
+/*1C90*/0x12, 0x08, 0x08, 0xE0, 0xF5, 0x4C, 0x85, 0x41,
+ 0x49, 0x85, 0x40, 0x4B, 0x22, 0x75, 0x5B, 0x01,
+/*1CA0*/0x90, 0x07, 0x24, 0x12, 0x07, 0x35, 0xE0, 0x54,
+ 0x1F, 0xFF, 0xD3, 0x94, 0x02, 0x50, 0x04, 0x8F,
+/*1CB0*/0x58, 0x80, 0x05, 0xEF, 0x24, 0xFE, 0xF5, 0x58,
+ 0xEF, 0xC3, 0x94, 0x18, 0x40, 0x05, 0x75, 0x59,
+/*1CC0*/0x18, 0x80, 0x04, 0xEF, 0x04, 0xF5, 0x59, 0x85,
+ 0x43, 0x5A, 0xAF, 0x58, 0x7E, 0x00, 0xAD, 0x59,
+/*1CD0*/0x7C, 0x00, 0xAB, 0x5B, 0x7A, 0x00, 0x12, 0x15,
+ 0x41, 0xAF, 0x5A, 0x7E, 0x00, 0x12, 0x18, 0x0A,
+/*1CE0*/0xAF, 0x5B, 0x7E, 0x00, 0x02, 0x1A, 0xFF, 0xE5,
+ 0xE2, 0x30, 0xE7, 0x0E, 0x12, 0x10, 0x03, 0xC2,
+/*1CF0*/0x30, 0x30, 0x30, 0x03, 0x12, 0x10, 0xFF, 0x20,
+ 0x33, 0x28, 0xE5, 0xE7, 0x30, 0xE7, 0x05, 0x12,
+/*1D00*/0x0E, 0xA2, 0x80, 0x0D, 0xE5, 0xFE, 0xC3, 0x94,
+ 0x20, 0x50, 0x06, 0x12, 0x0E, 0xA2, 0x43, 0xF9,
+/*1D10*/0x08, 0xE5, 0xF2, 0x30, 0xE7, 0x03, 0x53, 0xF9,
+ 0x7F, 0xE5, 0xF1, 0x54, 0x70, 0xD3, 0x94, 0x00,
+/*1D20*/0x50, 0xD8, 0x22, 0x12, 0x0E, 0x04, 0x75, 0x83,
+ 0x80, 0xE4, 0xF0, 0xE5, 0x08, 0x44, 0x07, 0x12,
+/*1D30*/0x0D, 0xFD, 0x75, 0x83, 0x84, 0x12, 0x0E, 0x02,
+ 0x75, 0x83, 0x86, 0x12, 0x0E, 0x02, 0x75, 0x83,
+/*1D40*/0x8C, 0xE0, 0x54, 0xF3, 0x12, 0x0E, 0x03, 0x75,
+ 0x83, 0x8E, 0x12, 0x0E, 0x02, 0x75, 0x83, 0x94,
+/*1D50*/0xE0, 0x54, 0xFB, 0xF0, 0x22, 0x12, 0x07, 0x2A,
+ 0x75, 0x83, 0x8E, 0xE4, 0x12, 0x07, 0x29, 0x74,
+/*1D60*/0x01, 0x12, 0x07, 0x29, 0xE4, 0x12, 0x08, 0xBE,
+ 0x75, 0x83, 0x8C, 0xE0, 0x44, 0x20, 0x12, 0x08,
+/*1D70*/0xBE, 0xE0, 0x54, 0xDF, 0xF0, 0x74, 0x84, 0x85,
+ 0x08, 0x82, 0xF5, 0x83, 0xE0, 0x54, 0x7F, 0xF0,
+/*1D80*/0xE0, 0x44, 0x80, 0xF0, 0x22, 0x75, 0x56, 0x01,
+ 0xE4, 0xFD, 0xF5, 0x57, 0xAF, 0x35, 0xFE, 0xFC,
+/*1D90*/0x12, 0x09, 0x15, 0x12, 0x1C, 0x9D, 0x12, 0x1E,
+ 0x7A, 0x12, 0x1C, 0x4C, 0xAF, 0x57, 0x7E, 0x00,
+/*1DA0*/0xAD, 0x56, 0x7C, 0x00, 0x12, 0x04, 0x44, 0xAF,
+ 0x56, 0x7E, 0x00, 0x02, 0x11, 0xEE, 0x75, 0x56,
+/*1DB0*/0x01, 0xE4, 0xFD, 0xF5, 0x57, 0xAF, 0x35, 0xFE,
+ 0xFC, 0x12, 0x09, 0x15, 0x12, 0x1C, 0x9D, 0x12,
+/*1DC0*/0x1E, 0x7A, 0x12, 0x1C, 0x4C, 0xAF, 0x57, 0x7E,
+ 0x00, 0xAD, 0x56, 0x7C, 0x00, 0x12, 0x04, 0x44,
+/*1DD0*/0xAF, 0x56, 0x7E, 0x00, 0x02, 0x11, 0xEE, 0xE4,
+ 0xF5, 0x16, 0x12, 0x0E, 0x44, 0xFE, 0xE5, 0x08,
+/*1DE0*/0x44, 0x05, 0xFF, 0x12, 0x0E, 0x65, 0x8F, 0x82,
+ 0x8E, 0x83, 0xF0, 0x05, 0x16, 0xE5, 0x16, 0xC3,
+/*1DF0*/0x94, 0x14, 0x40, 0xE6, 0xE5, 0x08, 0x12, 0x0E,
+ 0x2B, 0xE4, 0xF0, 0x22, 0xE4, 0xF5, 0x58, 0xF5,
+/*1E00*/0x59, 0xF5, 0x5A, 0xFF, 0xFE, 0xAD, 0x58, 0xFC,
+ 0x12, 0x09, 0x15, 0x7F, 0x04, 0x7E, 0x00, 0xAD,
+/*1E10*/0x58, 0x7C, 0x00, 0x12, 0x09, 0x15, 0x7F, 0x02,
+ 0x7E, 0x00, 0xAD, 0x58, 0x7C, 0x00, 0x02, 0x09,
+/*1E20*/0x15, 0xE5, 0x3C, 0x25, 0x3E, 0xFC, 0xE5, 0x42,
+ 0x24, 0x00, 0xFB, 0xE4, 0x33, 0xFA, 0xEC, 0xC3,
+/*1E30*/0x9B, 0xEA, 0x12, 0x07, 0x6B, 0x40, 0x0B, 0x8C,
+ 0x42, 0xE5, 0x3D, 0x25, 0x3F, 0xF5, 0x41, 0x8F,
+/*1E40*/0x40, 0x22, 0x12, 0x09, 0x0B, 0x22, 0x74, 0x84,
+ 0xF5, 0x18, 0x85, 0x08, 0x19, 0x85, 0x19, 0x82,
+/*1E50*/0x85, 0x18, 0x83, 0xE0, 0x54, 0x7F, 0xF0, 0xE0,
+ 0x44, 0x80, 0xF0, 0xE0, 0x44, 0x80, 0xF0, 0x22,
+/*1E60*/0xEF, 0x4E, 0x70, 0x0B, 0x12, 0x07, 0x2A, 0x75,
+ 0x83, 0xD2, 0xE0, 0x54, 0xDF, 0xF0, 0x22, 0x12,
+/*1E70*/0x07, 0x2A, 0x75, 0x83, 0xD2, 0xE0, 0x44, 0x20,
+ 0xF0, 0x22, 0x75, 0x58, 0x01, 0x90, 0x07, 0x26,
+/*1E80*/0x12, 0x07, 0x35, 0xE0, 0x54, 0x3F, 0xF5, 0x41,
+ 0x12, 0x07, 0x32, 0xE0, 0x54, 0x3F, 0xF5, 0x40,
+/*1E90*/0x22, 0x75, 0x56, 0x02, 0xE4, 0xF5, 0x57, 0x12,
+ 0x1D, 0xFC, 0xAF, 0x57, 0x7E, 0x00, 0xAD, 0x56,
+/*1EA0*/0x7C, 0x00, 0x02, 0x04, 0x44, 0xE4, 0xF5, 0x42,
+ 0xF5, 0x41, 0xF5, 0x40, 0xF5, 0x38, 0xF5, 0x39,
+/*1EB0*/0xF5, 0x3A, 0x22, 0xEF, 0x54, 0x07, 0xFF, 0xE5,
+ 0xF9, 0x54, 0xF8, 0x4F, 0xF5, 0xF9, 0x22, 0x7F,
+/*1EC0*/0x01, 0xE4, 0xFE, 0x0F, 0x0E, 0xBE, 0xFF, 0xFB,
+ 0x22, 0x01, 0x20, 0x00, 0x01, 0x04, 0x20, 0x00,
+/*1ED0*/0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+/*1EE0*/0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+/*1EF0*/0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+/*1F00*/0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+/*1F10*/0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+/*1F20*/0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+/*1F30*/0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+/*1F40*/0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+/*1F50*/0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+/*1F60*/0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+/*1F70*/0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+/*1F80*/0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+/*1F90*/0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+/*1FA0*/0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+/*1FB0*/0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+/*1FC0*/0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+/*1FD0*/0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+/*1FE0*/0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+/*1FF0*/0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x01, 0x20, 0x11, 0x00, 0x04, 0x20, 0x00, 0x81
+};
+
+int ipath_sd7220_ib_load(struct ipath_devdata *dd)
+{
+ return ipath_sd7220_prog_ld(dd, IB_7220_SERDES, ipath_sd7220_ib_img,
+ sizeof(ipath_sd7220_ib_img), 0);
+}
+
+int ipath_sd7220_ib_vfy(struct ipath_devdata *dd)
+{
+ return ipath_sd7220_prog_vfy(dd, IB_7220_SERDES, ipath_sd7220_ib_img,
+ sizeof(ipath_sd7220_ib_img), 0);
+}
diff --git a/drivers/infiniband/hw/ipath/ipath_sdma.c b/drivers/infiniband/hw/ipath/ipath_sdma.c
new file mode 100644
index 0000000..1974df7
--- /dev/null
+++ b/drivers/infiniband/hw/ipath/ipath_sdma.c
@@ -0,0 +1,790 @@
+/*
+ * Copyright (c) 2007, 2008 QLogic Corporation. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses. You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <linux/spinlock.h>
+
+#include "ipath_kernel.h"
+#include "ipath_verbs.h"
+#include "ipath_common.h"
+
+#define SDMA_DESCQ_SZ PAGE_SIZE /* 256 entries per 4KB page */
+
+static void vl15_watchdog_enq(struct ipath_devdata *dd)
+{
+ /* ipath_sdma_lock must already be held */
+ if (atomic_inc_return(&dd->ipath_sdma_vl15_count) == 1) {
+ unsigned long interval = (HZ + 19) / 20;
+ dd->ipath_sdma_vl15_timer.expires = jiffies + interval;
+ add_timer(&dd->ipath_sdma_vl15_timer);
+ }
+}
+
+static void vl15_watchdog_deq(struct ipath_devdata *dd)
+{
+ /* ipath_sdma_lock must already be held */
+ if (atomic_dec_return(&dd->ipath_sdma_vl15_count) != 0) {
+ unsigned long interval = (HZ + 19) / 20;
+ mod_timer(&dd->ipath_sdma_vl15_timer, jiffies + interval);
+ } else {
+ del_timer(&dd->ipath_sdma_vl15_timer);
+ }
+}
+
+static void vl15_watchdog_timeout(unsigned long opaque)
+{
+ struct ipath_devdata *dd = (struct ipath_devdata *)opaque;
+
+ if (atomic_read(&dd->ipath_sdma_vl15_count) != 0) {
+ ipath_dbg("vl15 watchdog timeout - clearing\n");
+ ipath_cancel_sends(dd, 1);
+ ipath_hol_down(dd);
+ } else {
+ ipath_dbg("vl15 watchdog timeout - "
+ "condition already cleared\n");
+ }
+}
+
+static void unmap_desc(struct ipath_devdata *dd, unsigned head)
+{
+ __le64 *descqp = &dd->ipath_sdma_descq[head].qw[0];
+ u64 desc[2];
+ dma_addr_t addr;
+ size_t len;
+
+ desc[0] = le64_to_cpu(descqp[0]);
+ desc[1] = le64_to_cpu(descqp[1]);
+
+ addr = (desc[1] << 32) | (desc[0] >> 32);
+ len = (desc[0] >> 14) & (0x7ffULL << 2);
+ dma_unmap_single(&dd->pcidev->dev, addr, len, DMA_TO_DEVICE);
+}
+
+/*
+ * ipath_sdma_lock should be locked before calling this.
+ */
+int ipath_sdma_make_progress(struct ipath_devdata *dd)
+{
+ struct list_head *lp = NULL;
+ struct ipath_sdma_txreq *txp = NULL;
+ u16 dmahead;
+ u16 start_idx = 0;
+ int progress = 0;
+
+ if (!list_empty(&dd->ipath_sdma_activelist)) {
+ lp = dd->ipath_sdma_activelist.next;
+ txp = list_entry(lp, struct ipath_sdma_txreq, list);
+ start_idx = txp->start_idx;
+ }
+
+ /*
+ * Read the SDMA head register in order to know that the
+ * interrupt clear has been written to the chip.
+ * Otherwise, we may not get an interrupt for the last
+ * descriptor in the queue.
+ */
+ dmahead = (u16)ipath_read_kreg32(dd, dd->ipath_kregs->kr_senddmahead);
+ /* sanity check return value for error handling (chip reset, etc.) */
+ if (dmahead >= dd->ipath_sdma_descq_cnt)
+ goto done;
+
+ while (dd->ipath_sdma_descq_head != dmahead) {
+ if (txp && txp->flags & IPATH_SDMA_TXREQ_F_FREEDESC &&
+ dd->ipath_sdma_descq_head == start_idx) {
+ unmap_desc(dd, dd->ipath_sdma_descq_head);
+ start_idx++;
+ if (start_idx == dd->ipath_sdma_descq_cnt)
+ start_idx = 0;
+ }
+
+ /* increment free count and head */
+ dd->ipath_sdma_descq_removed++;
+ if (++dd->ipath_sdma_descq_head == dd->ipath_sdma_descq_cnt)
+ dd->ipath_sdma_descq_head = 0;
+
+ if (txp && txp->next_descq_idx == dd->ipath_sdma_descq_head) {
+ /* move to notify list */
+ if (txp->flags & IPATH_SDMA_TXREQ_F_VL15)
+ vl15_watchdog_deq(dd);
+ list_move_tail(lp, &dd->ipath_sdma_notifylist);
+ if (!list_empty(&dd->ipath_sdma_activelist)) {
+ lp = dd->ipath_sdma_activelist.next;
+ txp = list_entry(lp, struct ipath_sdma_txreq,
+ list);
+ start_idx = txp->start_idx;
+ } else {
+ lp = NULL;
+ txp = NULL;
+ }
+ }
+ progress = 1;
+ }
+
+ if (progress)
+ tasklet_hi_schedule(&dd->ipath_sdma_notify_task);
+
+done:
+ return progress;
+}
+
+static void ipath_sdma_notify(struct ipath_devdata *dd, struct list_head *list)
+{
+ struct ipath_sdma_txreq *txp, *txp_next;
+
+ list_for_each_entry_safe(txp, txp_next, list, list) {
+ list_del_init(&txp->list);
+
+ if (txp->callback)
+ (*txp->callback)(txp->callback_cookie,
+ txp->callback_status);
+ }
+}
+
+static void sdma_notify_taskbody(struct ipath_devdata *dd)
+{
+ unsigned long flags;
+ struct list_head list;
+
+ INIT_LIST_HEAD(&list);
+
+ spin_lock_irqsave(&dd->ipath_sdma_lock, flags);
+
+ list_splice_init(&dd->ipath_sdma_notifylist, &list);
+
+ spin_unlock_irqrestore(&dd->ipath_sdma_lock, flags);
+
+ ipath_sdma_notify(dd, &list);
+
+ /*
+ * The IB verbs layer needs to see the callback before getting
+ * the call to ipath_ib_piobufavail() because the callback
+ * handles releasing resources the next send will need.
+ * Otherwise, we could do these calls in
+ * ipath_sdma_make_progress().
+ */
+ ipath_ib_piobufavail(dd->verbs_dev);
+}
+
+static void sdma_notify_task(unsigned long opaque)
+{
+ struct ipath_devdata *dd = (struct ipath_devdata *)opaque;
+
+ if (!test_bit(IPATH_SDMA_SHUTDOWN, &dd->ipath_sdma_status))
+ sdma_notify_taskbody(dd);
+}
+
+static void dump_sdma_state(struct ipath_devdata *dd)
+{
+ unsigned long reg;
+
+ reg = ipath_read_kreg64(dd, dd->ipath_kregs->kr_senddmastatus);
+ ipath_cdbg(VERBOSE, "kr_senddmastatus: 0x%016lx\n", reg);
+
+ reg = ipath_read_kreg64(dd, dd->ipath_kregs->kr_sendctrl);
+ ipath_cdbg(VERBOSE, "kr_sendctrl: 0x%016lx\n", reg);
+
+ reg = ipath_read_kreg64(dd, dd->ipath_kregs->kr_senddmabufmask0);
+ ipath_cdbg(VERBOSE, "kr_senddmabufmask0: 0x%016lx\n", reg);
+
+ reg = ipath_read_kreg64(dd, dd->ipath_kregs->kr_senddmabufmask1);
+ ipath_cdbg(VERBOSE, "kr_senddmabufmask1: 0x%016lx\n", reg);
+
+ reg = ipath_read_kreg64(dd, dd->ipath_kregs->kr_senddmabufmask2);
+ ipath_cdbg(VERBOSE, "kr_senddmabufmask2: 0x%016lx\n", reg);
+
+ reg = ipath_read_kreg64(dd, dd->ipath_kregs->kr_senddmatail);
+ ipath_cdbg(VERBOSE, "kr_senddmatail: 0x%016lx\n", reg);
+
+ reg = ipath_read_kreg64(dd, dd->ipath_kregs->kr_senddmahead);
+ ipath_cdbg(VERBOSE, "kr_senddmahead: 0x%016lx\n", reg);
+}
+
+static void sdma_abort_task(unsigned long opaque)
+{
+ struct ipath_devdata *dd = (struct ipath_devdata *) opaque;
+ u64 status;
+ unsigned long flags;
+
+ if (test_bit(IPATH_SDMA_SHUTDOWN, &dd->ipath_sdma_status))
+ return;
+
+ spin_lock_irqsave(&dd->ipath_sdma_lock, flags);
+
+ status = dd->ipath_sdma_status & IPATH_SDMA_ABORT_MASK;
+
+ /* nothing to do */
+ if (status == IPATH_SDMA_ABORT_NONE)
+ goto unlock;
+
+ /* ipath_sdma_abort() is done, waiting for interrupt */
+ if (status == IPATH_SDMA_ABORT_DISARMED) {
+ if (jiffies < dd->ipath_sdma_abort_intr_timeout)
+ goto resched_noprint;
+ /* give up, intr got lost somewhere */
+ ipath_dbg("give up waiting for SDMADISABLED intr\n");
+ __set_bit(IPATH_SDMA_DISABLED, &dd->ipath_sdma_status);
+ status = IPATH_SDMA_ABORT_ABORTED;
+ }
+
+ /* everything is stopped, time to clean up and restart */
+ if (status == IPATH_SDMA_ABORT_ABORTED) {
+ struct ipath_sdma_txreq *txp, *txpnext;
+ u64 hwstatus;
+ int notify = 0;
+
+ hwstatus = ipath_read_kreg64(dd,
+ dd->ipath_kregs->kr_senddmastatus);
+
+ if (/* ScoreBoardDrainInProg */
+ test_bit(63, &hwstatus) ||
+ /* AbortInProg */
+ test_bit(62, &hwstatus) ||
+ /* InternalSDmaEnable */
+ test_bit(61, &hwstatus) ||
+ /* ScbEmpty */
+ !test_bit(30, &hwstatus)) {
+ if (dd->ipath_sdma_reset_wait > 0) {
+ /* not done shutting down sdma */
+ --dd->ipath_sdma_reset_wait;
+ goto resched;
+ }
+ ipath_cdbg(VERBOSE, "gave up waiting for quiescent "
+ "status after SDMA reset, continuing\n");
+ dump_sdma_state(dd);
+ }
+
+ /* dequeue all "sent" requests */
+ list_for_each_entry_safe(txp, txpnext,
+ &dd->ipath_sdma_activelist, list) {
+ txp->callback_status = IPATH_SDMA_TXREQ_S_ABORTED;
+ if (txp->flags & IPATH_SDMA_TXREQ_F_VL15)
+ vl15_watchdog_deq(dd);
+ list_move_tail(&txp->list, &dd->ipath_sdma_notifylist);
+ notify = 1;
+ }
+ if (notify)
+ tasklet_hi_schedule(&dd->ipath_sdma_notify_task);
+
+ /* reset our notion of head and tail */
+ dd->ipath_sdma_descq_tail = 0;
+ dd->ipath_sdma_descq_head = 0;
+ dd->ipath_sdma_head_dma[0] = 0;
+ dd->ipath_sdma_generation = 0;
+ dd->ipath_sdma_descq_removed = dd->ipath_sdma_descq_added;
+
+ /* Reset SendDmaLenGen */
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_senddmalengen,
+ (u64) dd->ipath_sdma_descq_cnt | (1ULL << 18));
+
+ /* done with sdma state for a bit */
+ spin_unlock_irqrestore(&dd->ipath_sdma_lock, flags);
+
+ /*
+ * Don't restart sdma here. Wait until link is up to ACTIVE.
+ * VL15 MADs used to bring the link up use PIO, and multiple
+ * link transitions otherwise cause the sdma engine to be
+ * stopped and started multiple times.
+ * The disable is done here, including the shadow, so the
+ * state is kept consistent.
+ * See ipath_restart_sdma() for the actual starting of sdma.
+ */
+ spin_lock_irqsave(&dd->ipath_sendctrl_lock, flags);
+ dd->ipath_sendctrl &= ~INFINIPATH_S_SDMAENABLE;
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_sendctrl,
+ dd->ipath_sendctrl);
+ ipath_read_kreg64(dd, dd->ipath_kregs->kr_scratch);
+ spin_unlock_irqrestore(&dd->ipath_sendctrl_lock, flags);
+
+ /* make sure I see next message */
+ dd->ipath_sdma_abort_jiffies = 0;
+
+ goto done;
+ }
+
+resched:
+ /*
+ * for now, keep spinning
+ * JAG - this is bad to just have default be a loop without
+ * state change
+ */
+ if (jiffies > dd->ipath_sdma_abort_jiffies) {
+ ipath_dbg("looping with status 0x%016llx\n",
+ dd->ipath_sdma_status);
+ dd->ipath_sdma_abort_jiffies = jiffies + 5 * HZ;
+ }
+resched_noprint:
+ spin_unlock_irqrestore(&dd->ipath_sdma_lock, flags);
+ if (!test_bit(IPATH_SDMA_SHUTDOWN, &dd->ipath_sdma_status))
+ tasklet_hi_schedule(&dd->ipath_sdma_abort_task);
+ return;
+
+unlock:
+ spin_unlock_irqrestore(&dd->ipath_sdma_lock, flags);
+done:
+ return;
+}
+
+/*
+ * This is called from interrupt context.
+ */
+void ipath_sdma_intr(struct ipath_devdata *dd)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&dd->ipath_sdma_lock, flags);
+
+ (void) ipath_sdma_make_progress(dd);
+
+ spin_unlock_irqrestore(&dd->ipath_sdma_lock, flags);
+}
+
+static int alloc_sdma(struct ipath_devdata *dd)
+{
+ int ret = 0;
+
+ /* Allocate memory for SendDMA descriptor FIFO */
+ dd->ipath_sdma_descq = dma_alloc_coherent(&dd->pcidev->dev,
+ SDMA_DESCQ_SZ, &dd->ipath_sdma_descq_phys, GFP_KERNEL);
+
+ if (!dd->ipath_sdma_descq) {
+ ipath_dev_err(dd, "failed to allocate SendDMA descriptor "
+ "FIFO memory\n");
+ ret = -ENOMEM;
+ goto done;
+ }
+
+ dd->ipath_sdma_descq_cnt =
+ SDMA_DESCQ_SZ / sizeof(struct ipath_sdma_desc);
+
+ /* Allocate memory for DMA of head register to memory */
+ dd->ipath_sdma_head_dma = dma_alloc_coherent(&dd->pcidev->dev,
+ PAGE_SIZE, &dd->ipath_sdma_head_phys, GFP_KERNEL);
+ if (!dd->ipath_sdma_head_dma) {
+ ipath_dev_err(dd, "failed to allocate SendDMA head memory\n");
+ ret = -ENOMEM;
+ goto cleanup_descq;
+ }
+ dd->ipath_sdma_head_dma[0] = 0;
+
+ init_timer(&dd->ipath_sdma_vl15_timer);
+ dd->ipath_sdma_vl15_timer.function = vl15_watchdog_timeout;
+ dd->ipath_sdma_vl15_timer.data = (unsigned long)dd;
+ atomic_set(&dd->ipath_sdma_vl15_count, 0);
+
+ goto done;
+
+cleanup_descq:
+ dma_free_coherent(&dd->pcidev->dev, SDMA_DESCQ_SZ,
+ (void *)dd->ipath_sdma_descq, dd->ipath_sdma_descq_phys);
+ dd->ipath_sdma_descq = NULL;
+ dd->ipath_sdma_descq_phys = 0;
+done:
+ return ret;
+}
+
+int setup_sdma(struct ipath_devdata *dd)
+{
+ int ret = 0;
+ unsigned i, n;
+ u64 tmp64;
+ u64 senddmabufmask[3] = { 0 };
+ unsigned long flags;
+
+ ret = alloc_sdma(dd);
+ if (ret)
+ goto done;
+
+ if (!dd->ipath_sdma_descq) {
+ ipath_dev_err(dd, "SendDMA memory not allocated\n");
+ goto done;
+ }
+
+ dd->ipath_sdma_status = 0;
+ dd->ipath_sdma_abort_jiffies = 0;
+ dd->ipath_sdma_generation = 0;
+ dd->ipath_sdma_descq_tail = 0;
+ dd->ipath_sdma_descq_head = 0;
+ dd->ipath_sdma_descq_removed = 0;
+ dd->ipath_sdma_descq_added = 0;
+
+ /* Set SendDmaBase */
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_senddmabase,
+ dd->ipath_sdma_descq_phys);
+ /* Set SendDmaLenGen */
+ tmp64 = dd->ipath_sdma_descq_cnt;
+ tmp64 |= 1<<18; /* enable generation checking */
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_senddmalengen, tmp64);
+ /* Set SendDmaTail */
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_senddmatail,
+ dd->ipath_sdma_descq_tail);
+ /* Set SendDmaHeadAddr */
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_senddmaheadaddr,
+ dd->ipath_sdma_head_phys);
+
+ /* Reserve all the former "kernel" piobufs */
+ n = dd->ipath_piobcnt2k + dd->ipath_piobcnt4k - dd->ipath_pioreserved;
+ for (i = dd->ipath_lastport_piobuf; i < n; ++i) {
+ unsigned word = i / 64;
+ unsigned bit = i & 63;
+ BUG_ON(word >= 3);
+ senddmabufmask[word] |= 1ULL << bit;
+ }
+ ipath_chg_pioavailkernel(dd, dd->ipath_lastport_piobuf,
+ n - dd->ipath_lastport_piobuf, 0);
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_senddmabufmask0,
+ senddmabufmask[0]);
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_senddmabufmask1,
+ senddmabufmask[1]);
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_senddmabufmask2,
+ senddmabufmask[2]);
+
+ INIT_LIST_HEAD(&dd->ipath_sdma_activelist);
+ INIT_LIST_HEAD(&dd->ipath_sdma_notifylist);
+
+ tasklet_init(&dd->ipath_sdma_notify_task, sdma_notify_task,
+ (unsigned long) dd);
+ tasklet_init(&dd->ipath_sdma_abort_task, sdma_abort_task,
+ (unsigned long) dd);
+
+ /*
+ * No use to turn on SDMA here, as link is probably not ACTIVE
+ * Just mark it RUNNING and enable the interrupt, and let the
+ * ipath_restart_sdma() on link transition to ACTIVE actually
+ * enable it.
+ */
+ spin_lock_irqsave(&dd->ipath_sendctrl_lock, flags);
+ dd->ipath_sendctrl |= INFINIPATH_S_SDMAINTENABLE;
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_sendctrl, dd->ipath_sendctrl);
+ ipath_read_kreg64(dd, dd->ipath_kregs->kr_scratch);
+ __set_bit(IPATH_SDMA_RUNNING, &dd->ipath_sdma_status);
+ spin_unlock_irqrestore(&dd->ipath_sendctrl_lock, flags);
+
+done:
+ return ret;
+}
+
+void teardown_sdma(struct ipath_devdata *dd)
+{
+ struct ipath_sdma_txreq *txp, *txpnext;
+ unsigned long flags;
+ dma_addr_t sdma_head_phys = 0;
+ dma_addr_t sdma_descq_phys = 0;
+ void *sdma_descq = NULL;
+ void *sdma_head_dma = NULL;
+
+ spin_lock_irqsave(&dd->ipath_sdma_lock, flags);
+ __clear_bit(IPATH_SDMA_RUNNING, &dd->ipath_sdma_status);
+ __set_bit(IPATH_SDMA_ABORTING, &dd->ipath_sdma_status);
+ __set_bit(IPATH_SDMA_SHUTDOWN, &dd->ipath_sdma_status);
+ spin_unlock_irqrestore(&dd->ipath_sdma_lock, flags);
+
+ tasklet_kill(&dd->ipath_sdma_abort_task);
+ tasklet_kill(&dd->ipath_sdma_notify_task);
+
+ /* turn off sdma */
+ spin_lock_irqsave(&dd->ipath_sendctrl_lock, flags);
+ dd->ipath_sendctrl &= ~INFINIPATH_S_SDMAENABLE;
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_sendctrl,
+ dd->ipath_sendctrl);
+ ipath_read_kreg64(dd, dd->ipath_kregs->kr_scratch);
+ spin_unlock_irqrestore(&dd->ipath_sendctrl_lock, flags);
+
+ spin_lock_irqsave(&dd->ipath_sdma_lock, flags);
+ /* dequeue all "sent" requests */
+ list_for_each_entry_safe(txp, txpnext, &dd->ipath_sdma_activelist,
+ list) {
+ txp->callback_status = IPATH_SDMA_TXREQ_S_SHUTDOWN;
+ if (txp->flags & IPATH_SDMA_TXREQ_F_VL15)
+ vl15_watchdog_deq(dd);
+ list_move_tail(&txp->list, &dd->ipath_sdma_notifylist);
+ }
+ spin_unlock_irqrestore(&dd->ipath_sdma_lock, flags);
+
+ sdma_notify_taskbody(dd);
+
+ del_timer_sync(&dd->ipath_sdma_vl15_timer);
+
+ spin_lock_irqsave(&dd->ipath_sdma_lock, flags);
+
+ dd->ipath_sdma_abort_jiffies = 0;
+
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_senddmabase, 0);
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_senddmalengen, 0);
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_senddmatail, 0);
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_senddmaheadaddr, 0);
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_senddmabufmask0, 0);
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_senddmabufmask1, 0);
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_senddmabufmask2, 0);
+
+ if (dd->ipath_sdma_head_dma) {
+ sdma_head_dma = (void *) dd->ipath_sdma_head_dma;
+ sdma_head_phys = dd->ipath_sdma_head_phys;
+ dd->ipath_sdma_head_dma = NULL;
+ dd->ipath_sdma_head_phys = 0;
+ }
+
+ if (dd->ipath_sdma_descq) {
+ sdma_descq = dd->ipath_sdma_descq;
+ sdma_descq_phys = dd->ipath_sdma_descq_phys;
+ dd->ipath_sdma_descq = NULL;
+ dd->ipath_sdma_descq_phys = 0;
+ }
+
+ spin_unlock_irqrestore(&dd->ipath_sdma_lock, flags);
+
+ if (sdma_head_dma)
+ dma_free_coherent(&dd->pcidev->dev, PAGE_SIZE,
+ sdma_head_dma, sdma_head_phys);
+
+ if (sdma_descq)
+ dma_free_coherent(&dd->pcidev->dev, SDMA_DESCQ_SZ,
+ sdma_descq, sdma_descq_phys);
+}
+
+/*
+ * [Re]start SDMA, if we use it, and it's not already OK.
+ * This is called on transition to link ACTIVE, either the first or
+ * subsequent times.
+ */
+void ipath_restart_sdma(struct ipath_devdata *dd)
+{
+ unsigned long flags;
+ int needed = 1;
+
+ if (!(dd->ipath_flags & IPATH_HAS_SEND_DMA))
+ goto bail;
+
+ /*
+ * First, make sure we should, which is to say,
+ * check that we are "RUNNING" (not in teardown)
+ * and not "SHUTDOWN"
+ */
+ spin_lock_irqsave(&dd->ipath_sdma_lock, flags);
+ if (!test_bit(IPATH_SDMA_RUNNING, &dd->ipath_sdma_status)
+ || test_bit(IPATH_SDMA_SHUTDOWN, &dd->ipath_sdma_status))
+ needed = 0;
+ else {
+ __clear_bit(IPATH_SDMA_DISABLED, &dd->ipath_sdma_status);
+ __clear_bit(IPATH_SDMA_DISARMED, &dd->ipath_sdma_status);
+ __clear_bit(IPATH_SDMA_ABORTING, &dd->ipath_sdma_status);
+ }
+ spin_unlock_irqrestore(&dd->ipath_sdma_lock, flags);
+ if (!needed) {
+ ipath_dbg("invalid attempt to restart SDMA, status 0x%016llx\n",
+ dd->ipath_sdma_status);
+ goto bail;
+ }
+ spin_lock_irqsave(&dd->ipath_sendctrl_lock, flags);
+ /*
+ * First clear, just to be safe. Enable is only done
+ * in chip on 0->1 transition
+ */
+ dd->ipath_sendctrl &= ~INFINIPATH_S_SDMAENABLE;
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_sendctrl, dd->ipath_sendctrl);
+ ipath_read_kreg64(dd, dd->ipath_kregs->kr_scratch);
+ dd->ipath_sendctrl |= INFINIPATH_S_SDMAENABLE;
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_sendctrl, dd->ipath_sendctrl);
+ ipath_read_kreg64(dd, dd->ipath_kregs->kr_scratch);
+ spin_unlock_irqrestore(&dd->ipath_sendctrl_lock, flags);
+
+bail:
+ return;
+}
+
+static inline void make_sdma_desc(struct ipath_devdata *dd,
+ u64 *sdmadesc, u64 addr, u64 dwlen, u64 dwoffset)
+{
+ WARN_ON(addr & 3);
+ /* SDmaPhyAddr[47:32] */
+ sdmadesc[1] = addr >> 32;
+ /* SDmaPhyAddr[31:0] */
+ sdmadesc[0] = (addr & 0xfffffffcULL) << 32;
+ /* SDmaGeneration[1:0] */
+ sdmadesc[0] |= (dd->ipath_sdma_generation & 3ULL) << 30;
+ /* SDmaDwordCount[10:0] */
+ sdmadesc[0] |= (dwlen & 0x7ffULL) << 16;
+ /* SDmaBufOffset[12:2] */
+ sdmadesc[0] |= dwoffset & 0x7ffULL;
+}
+
+/*
+ * This function queues one IB packet onto the send DMA queue per call.
+ * The caller is responsible for checking:
+ * 1) The number of send DMA descriptor entries is less than the size of
+ * the descriptor queue.
+ * 2) The IB SGE addresses and lengths are 32-bit aligned
+ * (except possibly the last SGE's length)
+ * 3) The SGE addresses are suitable for passing to dma_map_single().
+ */
+int ipath_sdma_verbs_send(struct ipath_devdata *dd,
+ struct ipath_sge_state *ss, u32 dwords,
+ struct ipath_verbs_txreq *tx)
+{
+
+ unsigned long flags;
+ struct ipath_sge *sge;
+ int ret = 0;
+ u16 tail;
+ __le64 *descqp;
+ u64 sdmadesc[2];
+ u32 dwoffset;
+ dma_addr_t addr;
+
+ if ((tx->map_len + (dwords<<2)) > dd->ipath_ibmaxlen) {
+ ipath_dbg("packet size %X > ibmax %X, fail\n",
+ tx->map_len + (dwords<<2), dd->ipath_ibmaxlen);
+ ret = -EMSGSIZE;
+ goto fail;
+ }
+
+ spin_lock_irqsave(&dd->ipath_sdma_lock, flags);
+
+retry:
+ if (unlikely(test_bit(IPATH_SDMA_ABORTING, &dd->ipath_sdma_status))) {
+ ret = -EBUSY;
+ goto unlock;
+ }
+
+ if (tx->txreq.sg_count > ipath_sdma_descq_freecnt(dd)) {
+ if (ipath_sdma_make_progress(dd))
+ goto retry;
+ ret = -ENOBUFS;
+ goto unlock;
+ }
+
+ addr = dma_map_single(&dd->pcidev->dev, tx->txreq.map_addr,
+ tx->map_len, DMA_TO_DEVICE);
+ if (dma_mapping_error(addr)) {
+ ret = -EIO;
+ goto unlock;
+ }
+
+ dwoffset = tx->map_len >> 2;
+ make_sdma_desc(dd, sdmadesc, (u64) addr, dwoffset, 0);
+
+ /* SDmaFirstDesc */
+ sdmadesc[0] |= 1ULL << 12;
+ if (tx->txreq.flags & IPATH_SDMA_TXREQ_F_USELARGEBUF)
+ sdmadesc[0] |= 1ULL << 14; /* SDmaUseLargeBuf */
+
+ /* write to the descq */
+ tail = dd->ipath_sdma_descq_tail;
+ descqp = &dd->ipath_sdma_descq[tail].qw[0];
+ *descqp++ = cpu_to_le64(sdmadesc[0]);
+ *descqp++ = cpu_to_le64(sdmadesc[1]);
+
+ if (tx->txreq.flags & IPATH_SDMA_TXREQ_F_FREEDESC)
+ tx->txreq.start_idx = tail;
+
+ /* increment the tail */
+ if (++tail == dd->ipath_sdma_descq_cnt) {
+ tail = 0;
+ descqp = &dd->ipath_sdma_descq[0].qw[0];
+ ++dd->ipath_sdma_generation;
+ }
+
+ sge = &ss->sge;
+ while (dwords) {
+ u32 dw;
+ u32 len;
+
+ len = dwords << 2;
+ if (len > sge->length)
+ len = sge->length;
+ if (len > sge->sge_length)
+ len = sge->sge_length;
+ BUG_ON(len == 0);
+ dw = (len + 3) >> 2;
+ addr = dma_map_single(&dd->pcidev->dev, sge->vaddr, dw << 2,
+ DMA_TO_DEVICE);
+ make_sdma_desc(dd, sdmadesc, (u64) addr, dw, dwoffset);
+ /* SDmaUseLargeBuf has to be set in every descriptor */
+ if (tx->txreq.flags & IPATH_SDMA_TXREQ_F_USELARGEBUF)
+ sdmadesc[0] |= 1ULL << 14;
+ /* write to the descq */
+ *descqp++ = cpu_to_le64(sdmadesc[0]);
+ *descqp++ = cpu_to_le64(sdmadesc[1]);
+
+ /* increment the tail */
+ if (++tail == dd->ipath_sdma_descq_cnt) {
+ tail = 0;
+ descqp = &dd->ipath_sdma_descq[0].qw[0];
+ ++dd->ipath_sdma_generation;
+ }
+ sge->vaddr += len;
+ sge->length -= len;
+ sge->sge_length -= len;
+ if (sge->sge_length == 0) {
+ if (--ss->num_sge)
+ *sge = *ss->sg_list++;
+ } else if (sge->length == 0 && sge->mr != NULL) {
+ if (++sge->n >= IPATH_SEGSZ) {
+ if (++sge->m >= sge->mr->mapsz)
+ break;
+ sge->n = 0;
+ }
+ sge->vaddr =
+ sge->mr->map[sge->m]->segs[sge->n].vaddr;
+ sge->length =
+ sge->mr->map[sge->m]->segs[sge->n].length;
+ }
+
+ dwoffset += dw;
+ dwords -= dw;
+ }
+
+ if (!tail)
+ descqp = &dd->ipath_sdma_descq[dd->ipath_sdma_descq_cnt].qw[0];
+ descqp -= 2;
+ /* SDmaLastDesc */
+ descqp[0] |= __constant_cpu_to_le64(1ULL << 11);
+ if (tx->txreq.flags & IPATH_SDMA_TXREQ_F_INTREQ) {
+ /* SDmaIntReq */
+ descqp[0] |= __constant_cpu_to_le64(1ULL << 15);
+ }
+
+ /* Commit writes to memory and advance the tail on the chip */
+ wmb();
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_senddmatail, tail);
+
+ tx->txreq.next_descq_idx = tail;
+ tx->txreq.callback_status = IPATH_SDMA_TXREQ_S_OK;
+ dd->ipath_sdma_descq_tail = tail;
+ dd->ipath_sdma_descq_added += tx->txreq.sg_count;
+ list_add_tail(&tx->txreq.list, &dd->ipath_sdma_activelist);
+ if (tx->txreq.flags & IPATH_SDMA_TXREQ_F_VL15)
+ vl15_watchdog_enq(dd);
+
+unlock:
+ spin_unlock_irqrestore(&dd->ipath_sdma_lock, flags);
+fail:
+ return ret;
+}
diff --git a/drivers/infiniband/hw/ipath/ipath_srq.c b/drivers/infiniband/hw/ipath/ipath_srq.c
index f772102..e3d80ca 100644
--- a/drivers/infiniband/hw/ipath/ipath_srq.c
+++ b/drivers/infiniband/hw/ipath/ipath_srq.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2006, 2007 QLogic Corporation. All rights reserved.
+ * Copyright (c) 2006, 2007, 2008 QLogic Corporation. All rights reserved.
* Copyright (c) 2005, 2006 PathScale, Inc. All rights reserved.
*
* This software is available to you under a choice of one of two
@@ -245,7 +245,8 @@
sizeof(offset_addr));
if (ret)
goto bail_free;
- udata->outbuf = (void __user *) offset_addr;
+ udata->outbuf =
+ (void __user *) (unsigned long) offset_addr;
ret = ib_copy_to_udata(udata, &offset,
sizeof(offset));
if (ret)
diff --git a/drivers/infiniband/hw/ipath/ipath_stats.c b/drivers/infiniband/hw/ipath/ipath_stats.c
index d2725cd..c8e3d65 100644
--- a/drivers/infiniband/hw/ipath/ipath_stats.c
+++ b/drivers/infiniband/hw/ipath/ipath_stats.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2006, 2007 QLogic Corporation. All rights reserved.
+ * Copyright (c) 2006, 2007, 2008 QLogic Corporation. All rights reserved.
* Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved.
*
* This software is available to you under a choice of one of two
@@ -136,6 +136,7 @@
struct ipath_portdata *pd = dd->ipath_pd[0];
size_t blen = 0;
char buf[128];
+ u32 hdrqtail;
*buf = 0;
if (pd->port_hdrqfull != dd->ipath_p0_hdrqfull) {
@@ -174,17 +175,18 @@
if (blen)
ipath_dbg("%s\n", buf);
- if (pd->port_head != (u32)
- le64_to_cpu(*dd->ipath_hdrqtailptr)) {
+ hdrqtail = ipath_get_hdrqtail(pd);
+ if (pd->port_head != hdrqtail) {
if (dd->ipath_lastport0rcv_cnt ==
ipath_stats.sps_port0pkts) {
ipath_cdbg(PKT, "missing rcv interrupts? "
- "port0 hd=%llx tl=%x; port0pkts %llx\n",
- (unsigned long long)
- le64_to_cpu(*dd->ipath_hdrqtailptr),
- pd->port_head,
+ "port0 hd=%x tl=%x; port0pkts %llx; write"
+ " hd (w/intr)\n",
+ pd->port_head, hdrqtail,
(unsigned long long)
ipath_stats.sps_port0pkts);
+ ipath_write_ureg(dd, ur_rcvhdrhead, hdrqtail |
+ dd->ipath_rhdrhead_intr_off, pd->port_port);
}
dd->ipath_lastport0rcv_cnt = ipath_stats.sps_port0pkts;
}
@@ -290,11 +292,11 @@
&& time_after(jiffies, dd->ipath_unmasktime)) {
char ebuf[256];
int iserr;
- iserr = ipath_decode_err(ebuf, sizeof ebuf,
- dd->ipath_maskederrs);
+ iserr = ipath_decode_err(dd, ebuf, sizeof ebuf,
+ dd->ipath_maskederrs);
if (dd->ipath_maskederrs &
- ~(INFINIPATH_E_RRCVEGRFULL | INFINIPATH_E_RRCVHDRFULL |
- INFINIPATH_E_PKTERRS ))
+ ~(INFINIPATH_E_RRCVEGRFULL | INFINIPATH_E_RRCVHDRFULL |
+ INFINIPATH_E_PKTERRS))
ipath_dev_err(dd, "Re-enabling masked errors "
"(%s)\n", ebuf);
else {
@@ -306,17 +308,18 @@
* level.
*/
if (iserr)
- ipath_dbg("Re-enabling queue full errors (%s)\n",
- ebuf);
+ ipath_dbg(
+ "Re-enabling queue full errors (%s)\n",
+ ebuf);
else
ipath_cdbg(ERRPKT, "Re-enabling packet"
- " problem interrupt (%s)\n", ebuf);
+ " problem interrupt (%s)\n", ebuf);
}
/* re-enable masked errors */
dd->ipath_errormask |= dd->ipath_maskederrs;
ipath_write_kreg(dd, dd->ipath_kregs->kr_errormask,
- dd->ipath_errormask);
+ dd->ipath_errormask);
dd->ipath_maskederrs = 0;
}
diff --git a/drivers/infiniband/hw/ipath/ipath_sysfs.c b/drivers/infiniband/hw/ipath/ipath_sysfs.c
index 56dfc8a..a6c8efb 100644
--- a/drivers/infiniband/hw/ipath/ipath_sysfs.c
+++ b/drivers/infiniband/hw/ipath/ipath_sysfs.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2006, 2007 QLogic Corporation. All rights reserved.
+ * Copyright (c) 2006, 2007, 2008 QLogic Corporation. All rights reserved.
* Copyright (c) 2006 PathScale, Inc. All rights reserved.
*
* This software is available to you under a choice of one of two
@@ -34,6 +34,7 @@
#include <linux/ctype.h>
#include "ipath_kernel.h"
+#include "ipath_verbs.h"
#include "ipath_common.h"
/**
@@ -163,6 +164,15 @@
return scnprintf(buf, PAGE_SIZE, "%s", dd->ipath_boardversion);
}
+static ssize_t show_localbus_info(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct ipath_devdata *dd = dev_get_drvdata(dev);
+ /* The string printed here is already newline-terminated. */
+ return scnprintf(buf, PAGE_SIZE, "%s", dd->ipath_lbus_info);
+}
+
static ssize_t show_lmc(struct device *dev,
struct device_attribute *attr,
char *buf)
@@ -311,6 +321,8 @@
dd->ipath_guid = new_guid;
dd->ipath_nguid = 1;
+ if (dd->verbs_dev)
+ dd->verbs_dev->ibdev.node_guid = new_guid;
ret = strlen(buf);
goto bail;
@@ -919,21 +931,21 @@
u16 val;
ret = ipath_parse_ushort(buf, &val);
- if (ret < 0 || val > 1)
- goto invalid;
-
- r = dd->ipath_f_set_ib_cfg(dd, IPATH_IB_CFG_RXPOL_ENB, val);
- if (r < 0) {
- ret = r;
+ if (ret >= 0 && val > 1) {
+ ipath_dev_err(dd,
+ "attempt to set invalid Rx Polarity (enable)\n");
+ ret = -EINVAL;
goto bail;
}
- goto bail;
-invalid:
- ipath_dev_err(dd, "attempt to set invalid Rx Polarity (enable)\n");
+ r = dd->ipath_f_set_ib_cfg(dd, IPATH_IB_CFG_RXPOL_ENB, val);
+ if (r < 0)
+ ret = r;
+
bail:
return ret;
}
+
/*
* Get/Set RX lane-reversal enable. 0=no, 1=yes.
*/
@@ -988,6 +1000,75 @@
.attrs = driver_attributes
};
+static ssize_t store_tempsense(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf,
+ size_t count)
+{
+ struct ipath_devdata *dd = dev_get_drvdata(dev);
+ int ret, stat;
+ u16 val;
+
+ ret = ipath_parse_ushort(buf, &val);
+ if (ret <= 0) {
+ ipath_dev_err(dd, "attempt to set invalid tempsense config\n");
+ goto bail;
+ }
+ /* If anything but the highest limit, enable T_CRIT_A "interrupt" */
+ stat = ipath_tempsense_write(dd, 9, (val == 0x7f7f) ? 0x80 : 0);
+ if (stat) {
+ ipath_dev_err(dd, "Unable to set tempsense config\n");
+ ret = -1;
+ goto bail;
+ }
+ stat = ipath_tempsense_write(dd, 0xB, (u8) (val & 0xFF));
+ if (stat) {
+ ipath_dev_err(dd, "Unable to set local Tcrit\n");
+ ret = -1;
+ goto bail;
+ }
+ stat = ipath_tempsense_write(dd, 0xD, (u8) (val >> 8));
+ if (stat) {
+ ipath_dev_err(dd, "Unable to set remote Tcrit\n");
+ ret = -1;
+ goto bail;
+ }
+
+bail:
+ return ret;
+}
+
+/*
+ * dump tempsense regs. in decimal, to ease shell-scripts.
+ */
+static ssize_t show_tempsense(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct ipath_devdata *dd = dev_get_drvdata(dev);
+ int ret;
+ int idx;
+ u8 regvals[8];
+
+ ret = -ENXIO;
+ for (idx = 0; idx < 8; ++idx) {
+ if (idx == 6)
+ continue;
+ ret = ipath_tempsense_read(dd, idx);
+ if (ret < 0)
+ break;
+ regvals[idx] = ret;
+ }
+ if (idx == 8)
+ ret = scnprintf(buf, PAGE_SIZE, "%d %d %02X %02X %d %d\n",
+ *(signed char *)(regvals),
+ *(signed char *)(regvals + 1),
+ regvals[2], regvals[3],
+ *(signed char *)(regvals + 5),
+ *(signed char *)(regvals + 7));
+ return ret;
+}
+
struct attribute_group *ipath_driver_attr_groups[] = {
&driver_attr_group,
NULL,
@@ -1011,10 +1092,13 @@
static DEVICE_ATTR(rx_pol_inv, S_IWUSR, NULL, store_rx_pol_inv);
static DEVICE_ATTR(led_override, S_IWUSR, NULL, store_led_override);
static DEVICE_ATTR(logged_errors, S_IRUGO, show_logged_errs, NULL);
+static DEVICE_ATTR(localbus_info, S_IRUGO, show_localbus_info, NULL);
static DEVICE_ATTR(jint_max_packets, S_IWUSR | S_IRUGO,
show_jint_max_packets, store_jint_max_packets);
static DEVICE_ATTR(jint_idle_ticks, S_IWUSR | S_IRUGO,
show_jint_idle_ticks, store_jint_idle_ticks);
+static DEVICE_ATTR(tempsense, S_IWUSR | S_IRUGO,
+ show_tempsense, store_tempsense);
static struct attribute *dev_attributes[] = {
&dev_attr_guid.attr,
@@ -1034,6 +1118,8 @@
&dev_attr_rx_pol_inv.attr,
&dev_attr_led_override.attr,
&dev_attr_logged_errors.attr,
+ &dev_attr_tempsense.attr,
+ &dev_attr_localbus_info.attr,
NULL
};
diff --git a/drivers/infiniband/hw/ipath/ipath_uc.c b/drivers/infiniband/hw/ipath/ipath_uc.c
index 2dd8de2..bfe8926 100644
--- a/drivers/infiniband/hw/ipath/ipath_uc.c
+++ b/drivers/infiniband/hw/ipath/ipath_uc.c
@@ -94,7 +94,7 @@
qp->s_state =
OP(SEND_ONLY_WITH_IMMEDIATE);
/* Immediate data comes after the BTH */
- ohdr->u.imm_data = wqe->wr.imm_data;
+ ohdr->u.imm_data = wqe->wr.ex.imm_data;
hwords += 1;
}
if (wqe->wr.send_flags & IB_SEND_SOLICITED)
@@ -123,7 +123,7 @@
qp->s_state =
OP(RDMA_WRITE_ONLY_WITH_IMMEDIATE);
/* Immediate data comes after the RETH */
- ohdr->u.rc.imm_data = wqe->wr.imm_data;
+ ohdr->u.rc.imm_data = wqe->wr.ex.imm_data;
hwords += 1;
if (wqe->wr.send_flags & IB_SEND_SOLICITED)
bth0 |= 1 << 23;
@@ -152,7 +152,7 @@
else {
qp->s_state = OP(SEND_LAST_WITH_IMMEDIATE);
/* Immediate data comes after the BTH */
- ohdr->u.imm_data = wqe->wr.imm_data;
+ ohdr->u.imm_data = wqe->wr.ex.imm_data;
hwords += 1;
}
if (wqe->wr.send_flags & IB_SEND_SOLICITED)
@@ -177,7 +177,7 @@
qp->s_state =
OP(RDMA_WRITE_LAST_WITH_IMMEDIATE);
/* Immediate data comes after the BTH */
- ohdr->u.imm_data = wqe->wr.imm_data;
+ ohdr->u.imm_data = wqe->wr.ex.imm_data;
hwords += 1;
if (wqe->wr.send_flags & IB_SEND_SOLICITED)
bth0 |= 1 << 23;
diff --git a/drivers/infiniband/hw/ipath/ipath_ud.c b/drivers/infiniband/hw/ipath/ipath_ud.c
index de67eed..8b6a261 100644
--- a/drivers/infiniband/hw/ipath/ipath_ud.c
+++ b/drivers/infiniband/hw/ipath/ipath_ud.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2006, 2007 QLogic Corporation. All rights reserved.
+ * Copyright (c) 2006, 2007, 2008 QLogic Corporation. All rights reserved.
* Copyright (c) 2005, 2006 PathScale, Inc. All rights reserved.
*
* This software is available to you under a choice of one of two
@@ -95,7 +95,7 @@
if (swqe->wr.opcode == IB_WR_SEND_WITH_IMM) {
wc.wc_flags = IB_WC_WITH_IMM;
- wc.imm_data = swqe->wr.imm_data;
+ wc.imm_data = swqe->wr.ex.imm_data;
} else {
wc.wc_flags = 0;
wc.imm_data = 0;
@@ -303,6 +303,7 @@
qp->s_hdrwords = 7;
qp->s_cur_size = wqe->length;
qp->s_cur_sge = &qp->s_sge;
+ qp->s_dmult = ah_attr->static_rate;
qp->s_wqe = wqe;
qp->s_sge.sge = wqe->sg_list[0];
qp->s_sge.sg_list = wqe->sg_list + 1;
@@ -326,7 +327,7 @@
}
if (wqe->wr.opcode == IB_WR_SEND_WITH_IMM) {
qp->s_hdrwords++;
- ohdr->u.ud.imm_data = wqe->wr.imm_data;
+ ohdr->u.ud.imm_data = wqe->wr.ex.imm_data;
bth0 = IB_OPCODE_UD_SEND_ONLY_WITH_IMMEDIATE << 24;
} else
bth0 = IB_OPCODE_UD_SEND_ONLY << 24;
diff --git a/drivers/infiniband/hw/ipath/ipath_user_sdma.c b/drivers/infiniband/hw/ipath/ipath_user_sdma.c
new file mode 100644
index 0000000..86e0169
--- /dev/null
+++ b/drivers/infiniband/hw/ipath/ipath_user_sdma.c
@@ -0,0 +1,879 @@
+/*
+ * Copyright (c) 2007, 2008 QLogic Corporation. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses. You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#include <linux/mm.h>
+#include <linux/types.h>
+#include <linux/device.h>
+#include <linux/dmapool.h>
+#include <linux/slab.h>
+#include <linux/list.h>
+#include <linux/highmem.h>
+#include <linux/io.h>
+#include <linux/uio.h>
+#include <linux/rbtree.h>
+#include <linux/spinlock.h>
+#include <linux/delay.h>
+
+#include "ipath_kernel.h"
+#include "ipath_user_sdma.h"
+
+/* minimum size of header */
+#define IPATH_USER_SDMA_MIN_HEADER_LENGTH 64
+/* expected size of headers (for dma_pool) */
+#define IPATH_USER_SDMA_EXP_HEADER_LENGTH 64
+/* length mask in PBC (lower 11 bits) */
+#define IPATH_PBC_LENGTH_MASK ((1 << 11) - 1)
+
+struct ipath_user_sdma_pkt {
+ u8 naddr; /* dimension of addr (1..3) ... */
+ u32 counter; /* sdma pkts queued counter for this entry */
+ u64 added; /* global descq number of entries */
+
+ struct {
+ u32 offset; /* offset for kvaddr, addr */
+ u32 length; /* length in page */
+ u8 put_page; /* should we put_page? */
+ u8 dma_mapped; /* is page dma_mapped? */
+ struct page *page; /* may be NULL (coherent mem) */
+ void *kvaddr; /* FIXME: only for pio hack */
+ dma_addr_t addr;
+ } addr[4]; /* max pages, any more and we coalesce */
+ struct list_head list; /* list element */
+};
+
+struct ipath_user_sdma_queue {
+ /*
+ * pkts sent to dma engine are queued on this
+ * list head. the type of the elements of this
+ * list are struct ipath_user_sdma_pkt...
+ */
+ struct list_head sent;
+
+ /* headers with expected length are allocated from here... */
+ char header_cache_name[64];
+ struct dma_pool *header_cache;
+
+ /* packets are allocated from the slab cache... */
+ char pkt_slab_name[64];
+ struct kmem_cache *pkt_slab;
+
+ /* as packets go on the queued queue, they are counted... */
+ u32 counter;
+ u32 sent_counter;
+
+ /* dma page table */
+ struct rb_root dma_pages_root;
+
+ /* protect everything above... */
+ struct mutex lock;
+};
+
+struct ipath_user_sdma_queue *
+ipath_user_sdma_queue_create(struct device *dev, int unit, int port, int sport)
+{
+ struct ipath_user_sdma_queue *pq =
+ kmalloc(sizeof(struct ipath_user_sdma_queue), GFP_KERNEL);
+
+ if (!pq)
+ goto done;
+
+ pq->counter = 0;
+ pq->sent_counter = 0;
+ INIT_LIST_HEAD(&pq->sent);
+
+ mutex_init(&pq->lock);
+
+ snprintf(pq->pkt_slab_name, sizeof(pq->pkt_slab_name),
+ "ipath-user-sdma-pkts-%u-%02u.%02u", unit, port, sport);
+ pq->pkt_slab = kmem_cache_create(pq->pkt_slab_name,
+ sizeof(struct ipath_user_sdma_pkt),
+ 0, 0, NULL);
+
+ if (!pq->pkt_slab)
+ goto err_kfree;
+
+ snprintf(pq->header_cache_name, sizeof(pq->header_cache_name),
+ "ipath-user-sdma-headers-%u-%02u.%02u", unit, port, sport);
+ pq->header_cache = dma_pool_create(pq->header_cache_name,
+ dev,
+ IPATH_USER_SDMA_EXP_HEADER_LENGTH,
+ 4, 0);
+ if (!pq->header_cache)
+ goto err_slab;
+
+ pq->dma_pages_root = RB_ROOT;
+
+ goto done;
+
+err_slab:
+ kmem_cache_destroy(pq->pkt_slab);
+err_kfree:
+ kfree(pq);
+ pq = NULL;
+
+done:
+ return pq;
+}
+
+static void ipath_user_sdma_init_frag(struct ipath_user_sdma_pkt *pkt,
+ int i, size_t offset, size_t len,
+ int put_page, int dma_mapped,
+ struct page *page,
+ void *kvaddr, dma_addr_t dma_addr)
+{
+ pkt->addr[i].offset = offset;
+ pkt->addr[i].length = len;
+ pkt->addr[i].put_page = put_page;
+ pkt->addr[i].dma_mapped = dma_mapped;
+ pkt->addr[i].page = page;
+ pkt->addr[i].kvaddr = kvaddr;
+ pkt->addr[i].addr = dma_addr;
+}
+
+static void ipath_user_sdma_init_header(struct ipath_user_sdma_pkt *pkt,
+ u32 counter, size_t offset,
+ size_t len, int dma_mapped,
+ struct page *page,
+ void *kvaddr, dma_addr_t dma_addr)
+{
+ pkt->naddr = 1;
+ pkt->counter = counter;
+ ipath_user_sdma_init_frag(pkt, 0, offset, len, 0, dma_mapped, page,
+ kvaddr, dma_addr);
+}
+
+/* we've too many pages in the iovec, coalesce to a single page */
+static int ipath_user_sdma_coalesce(const struct ipath_devdata *dd,
+ struct ipath_user_sdma_pkt *pkt,
+ const struct iovec *iov,
+ unsigned long niov) {
+ int ret = 0;
+ struct page *page = alloc_page(GFP_KERNEL);
+ void *mpage_save;
+ char *mpage;
+ int i;
+ int len = 0;
+ dma_addr_t dma_addr;
+
+ if (!page) {
+ ret = -ENOMEM;
+ goto done;
+ }
+
+ mpage = kmap(page);
+ mpage_save = mpage;
+ for (i = 0; i < niov; i++) {
+ int cfur;
+
+ cfur = copy_from_user(mpage,
+ iov[i].iov_base, iov[i].iov_len);
+ if (cfur) {
+ ret = -EFAULT;
+ goto free_unmap;
+ }
+
+ mpage += iov[i].iov_len;
+ len += iov[i].iov_len;
+ }
+
+ dma_addr = dma_map_page(&dd->pcidev->dev, page, 0, len,
+ DMA_TO_DEVICE);
+ if (dma_mapping_error(dma_addr)) {
+ ret = -ENOMEM;
+ goto free_unmap;
+ }
+
+ ipath_user_sdma_init_frag(pkt, 1, 0, len, 0, 1, page, mpage_save,
+ dma_addr);
+ pkt->naddr = 2;
+
+ goto done;
+
+free_unmap:
+ kunmap(page);
+ __free_page(page);
+done:
+ return ret;
+}
+
+/* how many pages in this iovec element? */
+static int ipath_user_sdma_num_pages(const struct iovec *iov)
+{
+ const unsigned long addr = (unsigned long) iov->iov_base;
+ const unsigned long len = iov->iov_len;
+ const unsigned long spage = addr & PAGE_MASK;
+ const unsigned long epage = (addr + len - 1) & PAGE_MASK;
+
+ return 1 + ((epage - spage) >> PAGE_SHIFT);
+}
+
+/* truncate length to page boundry */
+static int ipath_user_sdma_page_length(unsigned long addr, unsigned long len)
+{
+ const unsigned long offset = addr & ~PAGE_MASK;
+
+ return ((offset + len) > PAGE_SIZE) ? (PAGE_SIZE - offset) : len;
+}
+
+static void ipath_user_sdma_free_pkt_frag(struct device *dev,
+ struct ipath_user_sdma_queue *pq,
+ struct ipath_user_sdma_pkt *pkt,
+ int frag)
+{
+ const int i = frag;
+
+ if (pkt->addr[i].page) {
+ if (pkt->addr[i].dma_mapped)
+ dma_unmap_page(dev,
+ pkt->addr[i].addr,
+ pkt->addr[i].length,
+ DMA_TO_DEVICE);
+
+ if (pkt->addr[i].kvaddr)
+ kunmap(pkt->addr[i].page);
+
+ if (pkt->addr[i].put_page)
+ put_page(pkt->addr[i].page);
+ else
+ __free_page(pkt->addr[i].page);
+ } else if (pkt->addr[i].kvaddr)
+ /* free coherent mem from cache... */
+ dma_pool_free(pq->header_cache,
+ pkt->addr[i].kvaddr, pkt->addr[i].addr);
+}
+
+/* return number of pages pinned... */
+static int ipath_user_sdma_pin_pages(const struct ipath_devdata *dd,
+ struct ipath_user_sdma_pkt *pkt,
+ unsigned long addr, int tlen, int npages)
+{
+ struct page *pages[2];
+ int j;
+ int ret;
+
+ ret = get_user_pages(current, current->mm, addr,
+ npages, 0, 1, pages, NULL);
+
+ if (ret != npages) {
+ int i;
+
+ for (i = 0; i < ret; i++)
+ put_page(pages[i]);
+
+ ret = -ENOMEM;
+ goto done;
+ }
+
+ for (j = 0; j < npages; j++) {
+ /* map the pages... */
+ const int flen =
+ ipath_user_sdma_page_length(addr, tlen);
+ dma_addr_t dma_addr =
+ dma_map_page(&dd->pcidev->dev,
+ pages[j], 0, flen, DMA_TO_DEVICE);
+ unsigned long fofs = addr & ~PAGE_MASK;
+
+ if (dma_mapping_error(dma_addr)) {
+ ret = -ENOMEM;
+ goto done;
+ }
+
+ ipath_user_sdma_init_frag(pkt, pkt->naddr, fofs, flen, 1, 1,
+ pages[j], kmap(pages[j]),
+ dma_addr);
+
+ pkt->naddr++;
+ addr += flen;
+ tlen -= flen;
+ }
+
+done:
+ return ret;
+}
+
+static int ipath_user_sdma_pin_pkt(const struct ipath_devdata *dd,
+ struct ipath_user_sdma_queue *pq,
+ struct ipath_user_sdma_pkt *pkt,
+ const struct iovec *iov,
+ unsigned long niov)
+{
+ int ret = 0;
+ unsigned long idx;
+
+ for (idx = 0; idx < niov; idx++) {
+ const int npages = ipath_user_sdma_num_pages(iov + idx);
+ const unsigned long addr = (unsigned long) iov[idx].iov_base;
+
+ ret = ipath_user_sdma_pin_pages(dd, pkt,
+ addr, iov[idx].iov_len,
+ npages);
+ if (ret < 0)
+ goto free_pkt;
+ }
+
+ goto done;
+
+free_pkt:
+ for (idx = 0; idx < pkt->naddr; idx++)
+ ipath_user_sdma_free_pkt_frag(&dd->pcidev->dev, pq, pkt, idx);
+
+done:
+ return ret;
+}
+
+static int ipath_user_sdma_init_payload(const struct ipath_devdata *dd,
+ struct ipath_user_sdma_queue *pq,
+ struct ipath_user_sdma_pkt *pkt,
+ const struct iovec *iov,
+ unsigned long niov, int npages)
+{
+ int ret = 0;
+
+ if (npages >= ARRAY_SIZE(pkt->addr))
+ ret = ipath_user_sdma_coalesce(dd, pkt, iov, niov);
+ else
+ ret = ipath_user_sdma_pin_pkt(dd, pq, pkt, iov, niov);
+
+ return ret;
+}
+
+/* free a packet list -- return counter value of last packet */
+static void ipath_user_sdma_free_pkt_list(struct device *dev,
+ struct ipath_user_sdma_queue *pq,
+ struct list_head *list)
+{
+ struct ipath_user_sdma_pkt *pkt, *pkt_next;
+
+ list_for_each_entry_safe(pkt, pkt_next, list, list) {
+ int i;
+
+ for (i = 0; i < pkt->naddr; i++)
+ ipath_user_sdma_free_pkt_frag(dev, pq, pkt, i);
+
+ kmem_cache_free(pq->pkt_slab, pkt);
+ }
+}
+
+/*
+ * copy headers, coalesce etc -- pq->lock must be held
+ *
+ * we queue all the packets to list, returning the
+ * number of bytes total. list must be empty initially,
+ * as, if there is an error we clean it...
+ */
+static int ipath_user_sdma_queue_pkts(const struct ipath_devdata *dd,
+ struct ipath_user_sdma_queue *pq,
+ struct list_head *list,
+ const struct iovec *iov,
+ unsigned long niov,
+ int maxpkts)
+{
+ unsigned long idx = 0;
+ int ret = 0;
+ int npkts = 0;
+ struct page *page = NULL;
+ __le32 *pbc;
+ dma_addr_t dma_addr;
+ struct ipath_user_sdma_pkt *pkt = NULL;
+ size_t len;
+ size_t nw;
+ u32 counter = pq->counter;
+ int dma_mapped = 0;
+
+ while (idx < niov && npkts < maxpkts) {
+ const unsigned long addr = (unsigned long) iov[idx].iov_base;
+ const unsigned long idx_save = idx;
+ unsigned pktnw;
+ unsigned pktnwc;
+ int nfrags = 0;
+ int npages = 0;
+ int cfur;
+
+ dma_mapped = 0;
+ len = iov[idx].iov_len;
+ nw = len >> 2;
+ page = NULL;
+
+ pkt = kmem_cache_alloc(pq->pkt_slab, GFP_KERNEL);
+ if (!pkt) {
+ ret = -ENOMEM;
+ goto free_list;
+ }
+
+ if (len < IPATH_USER_SDMA_MIN_HEADER_LENGTH ||
+ len > PAGE_SIZE || len & 3 || addr & 3) {
+ ret = -EINVAL;
+ goto free_pkt;
+ }
+
+ if (len == IPATH_USER_SDMA_EXP_HEADER_LENGTH)
+ pbc = dma_pool_alloc(pq->header_cache, GFP_KERNEL,
+ &dma_addr);
+ else
+ pbc = NULL;
+
+ if (!pbc) {
+ page = alloc_page(GFP_KERNEL);
+ if (!page) {
+ ret = -ENOMEM;
+ goto free_pkt;
+ }
+ pbc = kmap(page);
+ }
+
+ cfur = copy_from_user(pbc, iov[idx].iov_base, len);
+ if (cfur) {
+ ret = -EFAULT;
+ goto free_pbc;
+ }
+
+ /*
+ * this assignment is a bit strange. it's because the
+ * the pbc counts the number of 32 bit words in the full
+ * packet _except_ the first word of the pbc itself...
+ */
+ pktnwc = nw - 1;
+
+ /*
+ * pktnw computation yields the number of 32 bit words
+ * that the caller has indicated in the PBC. note that
+ * this is one less than the total number of words that
+ * goes to the send DMA engine as the first 32 bit word
+ * of the PBC itself is not counted. Armed with this count,
+ * we can verify that the packet is consistent with the
+ * iovec lengths.
+ */
+ pktnw = le32_to_cpu(*pbc) & IPATH_PBC_LENGTH_MASK;
+ if (pktnw < pktnwc || pktnw > pktnwc + (PAGE_SIZE >> 2)) {
+ ret = -EINVAL;
+ goto free_pbc;
+ }
+
+
+ idx++;
+ while (pktnwc < pktnw && idx < niov) {
+ const size_t slen = iov[idx].iov_len;
+ const unsigned long faddr =
+ (unsigned long) iov[idx].iov_base;
+
+ if (slen & 3 || faddr & 3 || !slen ||
+ slen > PAGE_SIZE) {
+ ret = -EINVAL;
+ goto free_pbc;
+ }
+
+ npages++;
+ if ((faddr & PAGE_MASK) !=
+ ((faddr + slen - 1) & PAGE_MASK))
+ npages++;
+
+ pktnwc += slen >> 2;
+ idx++;
+ nfrags++;
+ }
+
+ if (pktnwc != pktnw) {
+ ret = -EINVAL;
+ goto free_pbc;
+ }
+
+ if (page) {
+ dma_addr = dma_map_page(&dd->pcidev->dev,
+ page, 0, len, DMA_TO_DEVICE);
+ if (dma_mapping_error(dma_addr)) {
+ ret = -ENOMEM;
+ goto free_pbc;
+ }
+
+ dma_mapped = 1;
+ }
+
+ ipath_user_sdma_init_header(pkt, counter, 0, len, dma_mapped,
+ page, pbc, dma_addr);
+
+ if (nfrags) {
+ ret = ipath_user_sdma_init_payload(dd, pq, pkt,
+ iov + idx_save + 1,
+ nfrags, npages);
+ if (ret < 0)
+ goto free_pbc_dma;
+ }
+
+ counter++;
+ npkts++;
+
+ list_add_tail(&pkt->list, list);
+ }
+
+ ret = idx;
+ goto done;
+
+free_pbc_dma:
+ if (dma_mapped)
+ dma_unmap_page(&dd->pcidev->dev, dma_addr, len, DMA_TO_DEVICE);
+free_pbc:
+ if (page) {
+ kunmap(page);
+ __free_page(page);
+ } else
+ dma_pool_free(pq->header_cache, pbc, dma_addr);
+free_pkt:
+ kmem_cache_free(pq->pkt_slab, pkt);
+free_list:
+ ipath_user_sdma_free_pkt_list(&dd->pcidev->dev, pq, list);
+done:
+ return ret;
+}
+
+static void ipath_user_sdma_set_complete_counter(struct ipath_user_sdma_queue *pq,
+ u32 c)
+{
+ pq->sent_counter = c;
+}
+
+/* try to clean out queue -- needs pq->lock */
+static int ipath_user_sdma_queue_clean(const struct ipath_devdata *dd,
+ struct ipath_user_sdma_queue *pq)
+{
+ struct list_head free_list;
+ struct ipath_user_sdma_pkt *pkt;
+ struct ipath_user_sdma_pkt *pkt_prev;
+ int ret = 0;
+
+ INIT_LIST_HEAD(&free_list);
+
+ list_for_each_entry_safe(pkt, pkt_prev, &pq->sent, list) {
+ s64 descd = dd->ipath_sdma_descq_removed - pkt->added;
+
+ if (descd < 0)
+ break;
+
+ list_move_tail(&pkt->list, &free_list);
+
+ /* one more packet cleaned */
+ ret++;
+ }
+
+ if (!list_empty(&free_list)) {
+ u32 counter;
+
+ pkt = list_entry(free_list.prev,
+ struct ipath_user_sdma_pkt, list);
+ counter = pkt->counter;
+
+ ipath_user_sdma_free_pkt_list(&dd->pcidev->dev, pq, &free_list);
+ ipath_user_sdma_set_complete_counter(pq, counter);
+ }
+
+ return ret;
+}
+
+void ipath_user_sdma_queue_destroy(struct ipath_user_sdma_queue *pq)
+{
+ if (!pq)
+ return;
+
+ kmem_cache_destroy(pq->pkt_slab);
+ dma_pool_destroy(pq->header_cache);
+ kfree(pq);
+}
+
+/* clean descriptor queue, returns > 0 if some elements cleaned */
+static int ipath_user_sdma_hwqueue_clean(struct ipath_devdata *dd)
+{
+ int ret;
+ unsigned long flags;
+
+ spin_lock_irqsave(&dd->ipath_sdma_lock, flags);
+ ret = ipath_sdma_make_progress(dd);
+ spin_unlock_irqrestore(&dd->ipath_sdma_lock, flags);
+
+ return ret;
+}
+
+/* we're in close, drain packets so that we can cleanup successfully... */
+void ipath_user_sdma_queue_drain(struct ipath_devdata *dd,
+ struct ipath_user_sdma_queue *pq)
+{
+ int i;
+
+ if (!pq)
+ return;
+
+ for (i = 0; i < 100; i++) {
+ mutex_lock(&pq->lock);
+ if (list_empty(&pq->sent)) {
+ mutex_unlock(&pq->lock);
+ break;
+ }
+ ipath_user_sdma_hwqueue_clean(dd);
+ ipath_user_sdma_queue_clean(dd, pq);
+ mutex_unlock(&pq->lock);
+ msleep(10);
+ }
+
+ if (!list_empty(&pq->sent)) {
+ struct list_head free_list;
+
+ printk(KERN_INFO "drain: lists not empty: forcing!\n");
+ INIT_LIST_HEAD(&free_list);
+ mutex_lock(&pq->lock);
+ list_splice_init(&pq->sent, &free_list);
+ ipath_user_sdma_free_pkt_list(&dd->pcidev->dev, pq, &free_list);
+ mutex_unlock(&pq->lock);
+ }
+}
+
+static inline __le64 ipath_sdma_make_desc0(struct ipath_devdata *dd,
+ u64 addr, u64 dwlen, u64 dwoffset)
+{
+ return cpu_to_le64(/* SDmaPhyAddr[31:0] */
+ ((addr & 0xfffffffcULL) << 32) |
+ /* SDmaGeneration[1:0] */
+ ((dd->ipath_sdma_generation & 3ULL) << 30) |
+ /* SDmaDwordCount[10:0] */
+ ((dwlen & 0x7ffULL) << 16) |
+ /* SDmaBufOffset[12:2] */
+ (dwoffset & 0x7ffULL));
+}
+
+static inline __le64 ipath_sdma_make_first_desc0(__le64 descq)
+{
+ return descq | __constant_cpu_to_le64(1ULL << 12);
+}
+
+static inline __le64 ipath_sdma_make_last_desc0(__le64 descq)
+{
+ /* last */ /* dma head */
+ return descq | __constant_cpu_to_le64(1ULL << 11 | 1ULL << 13);
+}
+
+static inline __le64 ipath_sdma_make_desc1(u64 addr)
+{
+ /* SDmaPhyAddr[47:32] */
+ return cpu_to_le64(addr >> 32);
+}
+
+static void ipath_user_sdma_send_frag(struct ipath_devdata *dd,
+ struct ipath_user_sdma_pkt *pkt, int idx,
+ unsigned ofs, u16 tail)
+{
+ const u64 addr = (u64) pkt->addr[idx].addr +
+ (u64) pkt->addr[idx].offset;
+ const u64 dwlen = (u64) pkt->addr[idx].length / 4;
+ __le64 *descqp;
+ __le64 descq0;
+
+ descqp = &dd->ipath_sdma_descq[tail].qw[0];
+
+ descq0 = ipath_sdma_make_desc0(dd, addr, dwlen, ofs);
+ if (idx == 0)
+ descq0 = ipath_sdma_make_first_desc0(descq0);
+ if (idx == pkt->naddr - 1)
+ descq0 = ipath_sdma_make_last_desc0(descq0);
+
+ descqp[0] = descq0;
+ descqp[1] = ipath_sdma_make_desc1(addr);
+}
+
+/* pq->lock must be held, get packets on the wire... */
+static int ipath_user_sdma_push_pkts(struct ipath_devdata *dd,
+ struct ipath_user_sdma_queue *pq,
+ struct list_head *pktlist)
+{
+ int ret = 0;
+ unsigned long flags;
+ u16 tail;
+
+ if (list_empty(pktlist))
+ return 0;
+
+ if (unlikely(!(dd->ipath_flags & IPATH_LINKACTIVE)))
+ return -ECOMM;
+
+ spin_lock_irqsave(&dd->ipath_sdma_lock, flags);
+
+ if (unlikely(dd->ipath_sdma_status & IPATH_SDMA_ABORT_MASK)) {
+ ret = -ECOMM;
+ goto unlock;
+ }
+
+ tail = dd->ipath_sdma_descq_tail;
+ while (!list_empty(pktlist)) {
+ struct ipath_user_sdma_pkt *pkt =
+ list_entry(pktlist->next, struct ipath_user_sdma_pkt,
+ list);
+ int i;
+ unsigned ofs = 0;
+ u16 dtail = tail;
+
+ if (pkt->naddr > ipath_sdma_descq_freecnt(dd))
+ goto unlock_check_tail;
+
+ for (i = 0; i < pkt->naddr; i++) {
+ ipath_user_sdma_send_frag(dd, pkt, i, ofs, tail);
+ ofs += pkt->addr[i].length >> 2;
+
+ if (++tail == dd->ipath_sdma_descq_cnt) {
+ tail = 0;
+ ++dd->ipath_sdma_generation;
+ }
+ }
+
+ if ((ofs<<2) > dd->ipath_ibmaxlen) {
+ ipath_dbg("packet size %X > ibmax %X, fail\n",
+ ofs<<2, dd->ipath_ibmaxlen);
+ ret = -EMSGSIZE;
+ goto unlock;
+ }
+
+ /*
+ * if the packet is >= 2KB mtu equivalent, we have to use
+ * the large buffers, and have to mark each descriptor as
+ * part of a large buffer packet.
+ */
+ if (ofs >= IPATH_SMALLBUF_DWORDS) {
+ for (i = 0; i < pkt->naddr; i++) {
+ dd->ipath_sdma_descq[dtail].qw[0] |=
+ __constant_cpu_to_le64(1ULL << 14);
+ if (++dtail == dd->ipath_sdma_descq_cnt)
+ dtail = 0;
+ }
+ }
+
+ dd->ipath_sdma_descq_added += pkt->naddr;
+ pkt->added = dd->ipath_sdma_descq_added;
+ list_move_tail(&pkt->list, &pq->sent);
+ ret++;
+ }
+
+unlock_check_tail:
+ /* advance the tail on the chip if necessary */
+ if (dd->ipath_sdma_descq_tail != tail) {
+ wmb();
+ ipath_write_kreg(dd, dd->ipath_kregs->kr_senddmatail, tail);
+ dd->ipath_sdma_descq_tail = tail;
+ }
+
+unlock:
+ spin_unlock_irqrestore(&dd->ipath_sdma_lock, flags);
+
+ return ret;
+}
+
+int ipath_user_sdma_writev(struct ipath_devdata *dd,
+ struct ipath_user_sdma_queue *pq,
+ const struct iovec *iov,
+ unsigned long dim)
+{
+ int ret = 0;
+ struct list_head list;
+ int npkts = 0;
+
+ INIT_LIST_HEAD(&list);
+
+ mutex_lock(&pq->lock);
+
+ if (dd->ipath_sdma_descq_added != dd->ipath_sdma_descq_removed) {
+ ipath_user_sdma_hwqueue_clean(dd);
+ ipath_user_sdma_queue_clean(dd, pq);
+ }
+
+ while (dim) {
+ const int mxp = 8;
+
+ down_write(¤t->mm->mmap_sem);
+ ret = ipath_user_sdma_queue_pkts(dd, pq, &list, iov, dim, mxp);
+ up_write(¤t->mm->mmap_sem);
+
+ if (ret <= 0)
+ goto done_unlock;
+ else {
+ dim -= ret;
+ iov += ret;
+ }
+
+ /* force packets onto the sdma hw queue... */
+ if (!list_empty(&list)) {
+ /*
+ * lazily clean hw queue. the 4 is a guess of about
+ * how many sdma descriptors a packet will take (it
+ * doesn't have to be perfect).
+ */
+ if (ipath_sdma_descq_freecnt(dd) < ret * 4) {
+ ipath_user_sdma_hwqueue_clean(dd);
+ ipath_user_sdma_queue_clean(dd, pq);
+ }
+
+ ret = ipath_user_sdma_push_pkts(dd, pq, &list);
+ if (ret < 0)
+ goto done_unlock;
+ else {
+ npkts += ret;
+ pq->counter += ret;
+
+ if (!list_empty(&list))
+ goto done_unlock;
+ }
+ }
+ }
+
+done_unlock:
+ if (!list_empty(&list))
+ ipath_user_sdma_free_pkt_list(&dd->pcidev->dev, pq, &list);
+ mutex_unlock(&pq->lock);
+
+ return (ret < 0) ? ret : npkts;
+}
+
+int ipath_user_sdma_make_progress(struct ipath_devdata *dd,
+ struct ipath_user_sdma_queue *pq)
+{
+ int ret = 0;
+
+ mutex_lock(&pq->lock);
+ ipath_user_sdma_hwqueue_clean(dd);
+ ret = ipath_user_sdma_queue_clean(dd, pq);
+ mutex_unlock(&pq->lock);
+
+ return ret;
+}
+
+u32 ipath_user_sdma_complete_counter(const struct ipath_user_sdma_queue *pq)
+{
+ return pq->sent_counter;
+}
+
+u32 ipath_user_sdma_inflight_counter(struct ipath_user_sdma_queue *pq)
+{
+ return pq->counter;
+}
+
diff --git a/drivers/infiniband/hw/ipath/ipath_user_sdma.h b/drivers/infiniband/hw/ipath/ipath_user_sdma.h
new file mode 100644
index 0000000..e70946c
--- /dev/null
+++ b/drivers/infiniband/hw/ipath/ipath_user_sdma.h
@@ -0,0 +1,54 @@
+/*
+ * Copyright (c) 2007, 2008 QLogic Corporation. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses. You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#include <linux/device.h>
+
+struct ipath_user_sdma_queue;
+
+struct ipath_user_sdma_queue *
+ipath_user_sdma_queue_create(struct device *dev, int unit, int port, int sport);
+void ipath_user_sdma_queue_destroy(struct ipath_user_sdma_queue *pq);
+
+int ipath_user_sdma_writev(struct ipath_devdata *dd,
+ struct ipath_user_sdma_queue *pq,
+ const struct iovec *iov,
+ unsigned long dim);
+
+int ipath_user_sdma_make_progress(struct ipath_devdata *dd,
+ struct ipath_user_sdma_queue *pq);
+
+int ipath_user_sdma_pkt_sent(const struct ipath_user_sdma_queue *pq,
+ u32 counter);
+void ipath_user_sdma_queue_drain(struct ipath_devdata *dd,
+ struct ipath_user_sdma_queue *pq);
+
+u32 ipath_user_sdma_complete_counter(const struct ipath_user_sdma_queue *pq);
+u32 ipath_user_sdma_inflight_counter(struct ipath_user_sdma_queue *pq);
diff --git a/drivers/infiniband/hw/ipath/ipath_verbs.c b/drivers/infiniband/hw/ipath/ipath_verbs.c
index 32d8f88..320a6d0 100644
--- a/drivers/infiniband/hw/ipath/ipath_verbs.c
+++ b/drivers/infiniband/hw/ipath/ipath_verbs.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2006, 2007 QLogic Corporation. All rights reserved.
+ * Copyright (c) 2006, 2007, 2008 QLogic Corporation. All rights reserved.
* Copyright (c) 2005, 2006 PathScale, Inc. All rights reserved.
*
* This software is available to you under a choice of one of two
@@ -242,6 +242,93 @@
ipath_cq_enter(to_icq(qp->ibqp.send_cq), &wc, 1);
}
+/*
+ * Count the number of DMA descriptors needed to send length bytes of data.
+ * Don't modify the ipath_sge_state to get the count.
+ * Return zero if any of the segments is not aligned.
+ */
+static u32 ipath_count_sge(struct ipath_sge_state *ss, u32 length)
+{
+ struct ipath_sge *sg_list = ss->sg_list;
+ struct ipath_sge sge = ss->sge;
+ u8 num_sge = ss->num_sge;
+ u32 ndesc = 1; /* count the header */
+
+ while (length) {
+ u32 len = sge.length;
+
+ if (len > length)
+ len = length;
+ if (len > sge.sge_length)
+ len = sge.sge_length;
+ BUG_ON(len == 0);
+ if (((long) sge.vaddr & (sizeof(u32) - 1)) ||
+ (len != length && (len & (sizeof(u32) - 1)))) {
+ ndesc = 0;
+ break;
+ }
+ ndesc++;
+ sge.vaddr += len;
+ sge.length -= len;
+ sge.sge_length -= len;
+ if (sge.sge_length == 0) {
+ if (--num_sge)
+ sge = *sg_list++;
+ } else if (sge.length == 0 && sge.mr != NULL) {
+ if (++sge.n >= IPATH_SEGSZ) {
+ if (++sge.m >= sge.mr->mapsz)
+ break;
+ sge.n = 0;
+ }
+ sge.vaddr =
+ sge.mr->map[sge.m]->segs[sge.n].vaddr;
+ sge.length =
+ sge.mr->map[sge.m]->segs[sge.n].length;
+ }
+ length -= len;
+ }
+ return ndesc;
+}
+
+/*
+ * Copy from the SGEs to the data buffer.
+ */
+static void ipath_copy_from_sge(void *data, struct ipath_sge_state *ss,
+ u32 length)
+{
+ struct ipath_sge *sge = &ss->sge;
+
+ while (length) {
+ u32 len = sge->length;
+
+ if (len > length)
+ len = length;
+ if (len > sge->sge_length)
+ len = sge->sge_length;
+ BUG_ON(len == 0);
+ memcpy(data, sge->vaddr, len);
+ sge->vaddr += len;
+ sge->length -= len;
+ sge->sge_length -= len;
+ if (sge->sge_length == 0) {
+ if (--ss->num_sge)
+ *sge = *ss->sg_list++;
+ } else if (sge->length == 0 && sge->mr != NULL) {
+ if (++sge->n >= IPATH_SEGSZ) {
+ if (++sge->m >= sge->mr->mapsz)
+ break;
+ sge->n = 0;
+ }
+ sge->vaddr =
+ sge->mr->map[sge->m]->segs[sge->n].vaddr;
+ sge->length =
+ sge->mr->map[sge->m]->segs[sge->n].length;
+ }
+ data += len;
+ length -= len;
+ }
+}
+
/**
* ipath_post_one_send - post one RC, UC, or UD send work request
* @qp: the QP to post on
@@ -866,27 +953,257 @@
__raw_writel(last, piobuf);
}
-static int ipath_verbs_send_pio(struct ipath_qp *qp, u32 *hdr, u32 hdrwords,
+/*
+ * Convert IB rate to delay multiplier.
+ */
+unsigned ipath_ib_rate_to_mult(enum ib_rate rate)
+{
+ switch (rate) {
+ case IB_RATE_2_5_GBPS: return 8;
+ case IB_RATE_5_GBPS: return 4;
+ case IB_RATE_10_GBPS: return 2;
+ case IB_RATE_20_GBPS: return 1;
+ default: return 0;
+ }
+}
+
+/*
+ * Convert delay multiplier to IB rate
+ */
+static enum ib_rate ipath_mult_to_ib_rate(unsigned mult)
+{
+ switch (mult) {
+ case 8: return IB_RATE_2_5_GBPS;
+ case 4: return IB_RATE_5_GBPS;
+ case 2: return IB_RATE_10_GBPS;
+ case 1: return IB_RATE_20_GBPS;
+ default: return IB_RATE_PORT_CURRENT;
+ }
+}
+
+static inline struct ipath_verbs_txreq *get_txreq(struct ipath_ibdev *dev)
+{
+ struct ipath_verbs_txreq *tx = NULL;
+ unsigned long flags;
+
+ spin_lock_irqsave(&dev->pending_lock, flags);
+ if (!list_empty(&dev->txreq_free)) {
+ struct list_head *l = dev->txreq_free.next;
+
+ list_del(l);
+ tx = list_entry(l, struct ipath_verbs_txreq, txreq.list);
+ }
+ spin_unlock_irqrestore(&dev->pending_lock, flags);
+ return tx;
+}
+
+static inline void put_txreq(struct ipath_ibdev *dev,
+ struct ipath_verbs_txreq *tx)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&dev->pending_lock, flags);
+ list_add(&tx->txreq.list, &dev->txreq_free);
+ spin_unlock_irqrestore(&dev->pending_lock, flags);
+}
+
+static void sdma_complete(void *cookie, int status)
+{
+ struct ipath_verbs_txreq *tx = cookie;
+ struct ipath_qp *qp = tx->qp;
+ struct ipath_ibdev *dev = to_idev(qp->ibqp.device);
+
+ /* Generate a completion queue entry if needed */
+ if (qp->ibqp.qp_type != IB_QPT_RC && tx->wqe) {
+ enum ib_wc_status ibs = status == IPATH_SDMA_TXREQ_S_OK ?
+ IB_WC_SUCCESS : IB_WC_WR_FLUSH_ERR;
+
+ ipath_send_complete(qp, tx->wqe, ibs);
+ }
+
+ if (tx->txreq.flags & IPATH_SDMA_TXREQ_F_FREEBUF)
+ kfree(tx->txreq.map_addr);
+ put_txreq(dev, tx);
+
+ if (atomic_dec_and_test(&qp->refcount))
+ wake_up(&qp->wait);
+}
+
+/*
+ * Compute the number of clock cycles of delay before sending the next packet.
+ * The multipliers reflect the number of clocks for the fastest rate so
+ * one tick at 4xDDR is 8 ticks at 1xSDR.
+ * If the destination port will take longer to receive a packet than
+ * the outgoing link can send it, we need to delay sending the next packet
+ * by the difference in time it takes the receiver to receive and the sender
+ * to send this packet.
+ * Note that this delay is always correct for UC and RC but not always
+ * optimal for UD. For UD, the destination HCA can be different for each
+ * packet, in which case, we could send packets to a different destination
+ * while "waiting" for the delay. The overhead for doing this without
+ * HW support is more than just paying the cost of delaying some packets
+ * unnecessarily.
+ */
+static inline unsigned ipath_pkt_delay(u32 plen, u8 snd_mult, u8 rcv_mult)
+{
+ return (rcv_mult > snd_mult) ?
+ (plen * (rcv_mult - snd_mult) + 1) >> 1 : 0;
+}
+
+static int ipath_verbs_send_dma(struct ipath_qp *qp,
+ struct ipath_ib_header *hdr, u32 hdrwords,
+ struct ipath_sge_state *ss, u32 len,
+ u32 plen, u32 dwords)
+{
+ struct ipath_ibdev *dev = to_idev(qp->ibqp.device);
+ struct ipath_devdata *dd = dev->dd;
+ struct ipath_verbs_txreq *tx;
+ u32 *piobuf;
+ u32 control;
+ u32 ndesc;
+ int ret;
+
+ tx = qp->s_tx;
+ if (tx) {
+ qp->s_tx = NULL;
+ /* resend previously constructed packet */
+ ret = ipath_sdma_verbs_send(dd, tx->ss, tx->len, tx);
+ if (ret)
+ qp->s_tx = tx;
+ goto bail;
+ }
+
+ tx = get_txreq(dev);
+ if (!tx) {
+ ret = -EBUSY;
+ goto bail;
+ }
+
+ /*
+ * Get the saved delay count we computed for the previous packet
+ * and save the delay count for this packet to be used next time
+ * we get here.
+ */
+ control = qp->s_pkt_delay;
+ qp->s_pkt_delay = ipath_pkt_delay(plen, dd->delay_mult, qp->s_dmult);
+
+ tx->qp = qp;
+ atomic_inc(&qp->refcount);
+ tx->wqe = qp->s_wqe;
+ tx->txreq.callback = sdma_complete;
+ tx->txreq.callback_cookie = tx;
+ tx->txreq.flags = IPATH_SDMA_TXREQ_F_HEADTOHOST |
+ IPATH_SDMA_TXREQ_F_INTREQ | IPATH_SDMA_TXREQ_F_FREEDESC;
+ if (plen + 1 >= IPATH_SMALLBUF_DWORDS)
+ tx->txreq.flags |= IPATH_SDMA_TXREQ_F_USELARGEBUF;
+
+ /* VL15 packets bypass credit check */
+ if ((be16_to_cpu(hdr->lrh[0]) >> 12) == 15) {
+ control |= 1ULL << 31;
+ tx->txreq.flags |= IPATH_SDMA_TXREQ_F_VL15;
+ }
+
+ if (len) {
+ /*
+ * Don't try to DMA if it takes more descriptors than
+ * the queue holds.
+ */
+ ndesc = ipath_count_sge(ss, len);
+ if (ndesc >= dd->ipath_sdma_descq_cnt)
+ ndesc = 0;
+ } else
+ ndesc = 1;
+ if (ndesc) {
+ tx->hdr.pbc[0] = cpu_to_le32(plen);
+ tx->hdr.pbc[1] = cpu_to_le32(control);
+ memcpy(&tx->hdr.hdr, hdr, hdrwords << 2);
+ tx->txreq.sg_count = ndesc;
+ tx->map_len = (hdrwords + 2) << 2;
+ tx->txreq.map_addr = &tx->hdr;
+ ret = ipath_sdma_verbs_send(dd, ss, dwords, tx);
+ if (ret) {
+ /* save ss and length in dwords */
+ tx->ss = ss;
+ tx->len = dwords;
+ qp->s_tx = tx;
+ }
+ goto bail;
+ }
+
+ /* Allocate a buffer and copy the header and payload to it. */
+ tx->map_len = (plen + 1) << 2;
+ piobuf = kmalloc(tx->map_len, GFP_ATOMIC);
+ if (unlikely(piobuf == NULL)) {
+ ret = -EBUSY;
+ goto err_tx;
+ }
+ tx->txreq.map_addr = piobuf;
+ tx->txreq.flags |= IPATH_SDMA_TXREQ_F_FREEBUF;
+ tx->txreq.sg_count = 1;
+
+ *piobuf++ = (__force u32) cpu_to_le32(plen);
+ *piobuf++ = (__force u32) cpu_to_le32(control);
+ memcpy(piobuf, hdr, hdrwords << 2);
+ ipath_copy_from_sge(piobuf + hdrwords, ss, len);
+
+ ret = ipath_sdma_verbs_send(dd, NULL, 0, tx);
+ /*
+ * If we couldn't queue the DMA request, save the info
+ * and try again later rather than destroying the
+ * buffer and undoing the side effects of the copy.
+ */
+ if (ret) {
+ tx->ss = NULL;
+ tx->len = 0;
+ qp->s_tx = tx;
+ }
+ dev->n_unaligned++;
+ goto bail;
+
+err_tx:
+ if (atomic_dec_and_test(&qp->refcount))
+ wake_up(&qp->wait);
+ put_txreq(dev, tx);
+bail:
+ return ret;
+}
+
+static int ipath_verbs_send_pio(struct ipath_qp *qp,
+ struct ipath_ib_header *ibhdr, u32 hdrwords,
struct ipath_sge_state *ss, u32 len,
u32 plen, u32 dwords)
{
struct ipath_devdata *dd = to_idev(qp->ibqp.device)->dd;
+ u32 *hdr = (u32 *) ibhdr;
u32 __iomem *piobuf;
unsigned flush_wc;
+ u32 control;
int ret;
- piobuf = ipath_getpiobuf(dd, NULL);
+ piobuf = ipath_getpiobuf(dd, plen, NULL);
if (unlikely(piobuf == NULL)) {
ret = -EBUSY;
goto bail;
}
/*
- * Write len to control qword, no flags.
+ * Get the saved delay count we computed for the previous packet
+ * and save the delay count for this packet to be used next time
+ * we get here.
+ */
+ control = qp->s_pkt_delay;
+ qp->s_pkt_delay = ipath_pkt_delay(plen, dd->delay_mult, qp->s_dmult);
+
+ /* VL15 packets bypass credit check */
+ if ((be16_to_cpu(ibhdr->lrh[0]) >> 12) == 15)
+ control |= 1ULL << 31;
+
+ /*
+ * Write the length to the control qword plus any needed flags.
* We have to flush after the PBC for correctness on some cpus
* or WC buffer can be written out of order.
*/
- writeq(plen, piobuf);
+ writeq(((u64) control << 32) | plen, piobuf);
piobuf += 2;
flush_wc = dd->ipath_flags & IPATH_PIO_FLUSH_WC;
@@ -961,15 +1278,25 @@
*/
plen = hdrwords + dwords + 1;
- /* Drop non-VL15 packets if we are not in the active state */
- if (!(dd->ipath_flags & IPATH_LINKACTIVE) &&
- qp->ibqp.qp_type != IB_QPT_SMI) {
+ /*
+ * VL15 packets (IB_QPT_SMI) will always use PIO, so we
+ * can defer SDMA restart until link goes ACTIVE without
+ * worrying about just how we got there.
+ */
+ if (qp->ibqp.qp_type == IB_QPT_SMI)
+ ret = ipath_verbs_send_pio(qp, hdr, hdrwords, ss, len,
+ plen, dwords);
+ /* All non-VL15 packets are dropped if link is not ACTIVE */
+ else if (!(dd->ipath_flags & IPATH_LINKACTIVE)) {
if (qp->s_wqe)
ipath_send_complete(qp, qp->s_wqe, IB_WC_SUCCESS);
ret = 0;
- } else
- ret = ipath_verbs_send_pio(qp, (u32 *) hdr, hdrwords,
- ss, len, plen, dwords);
+ } else if (dd->ipath_flags & IPATH_HAS_SEND_DMA)
+ ret = ipath_verbs_send_dma(qp, hdr, hdrwords, ss, len,
+ plen, dwords);
+ else
+ ret = ipath_verbs_send_pio(qp, hdr, hdrwords, ss, len,
+ plen, dwords);
return ret;
}
@@ -1038,6 +1365,12 @@
ipath_snap_cntr(dd, crp->cr_errlpcrccnt) +
ipath_snap_cntr(dd, crp->cr_badformatcnt) +
dd->ipath_rxfc_unsupvl_errs;
+ if (crp->cr_rxotherlocalphyerrcnt)
+ cntrs->port_rcv_errors +=
+ ipath_snap_cntr(dd, crp->cr_rxotherlocalphyerrcnt);
+ if (crp->cr_rxvlerrcnt)
+ cntrs->port_rcv_errors +=
+ ipath_snap_cntr(dd, crp->cr_rxvlerrcnt);
cntrs->port_rcv_remphys_errors =
ipath_snap_cntr(dd, crp->cr_rcvebpcnt);
cntrs->port_xmit_discards = ipath_snap_cntr(dd, crp->cr_unsupvlcnt);
@@ -1046,9 +1379,16 @@
cntrs->port_xmit_packets = ipath_snap_cntr(dd, crp->cr_pktsendcnt);
cntrs->port_rcv_packets = ipath_snap_cntr(dd, crp->cr_pktrcvcnt);
cntrs->local_link_integrity_errors =
- (dd->ipath_flags & IPATH_GPIO_ERRINTRS) ?
- dd->ipath_lli_errs : dd->ipath_lli_errors;
- cntrs->excessive_buffer_overrun_errors = dd->ipath_overrun_thresh_errs;
+ crp->cr_locallinkintegrityerrcnt ?
+ ipath_snap_cntr(dd, crp->cr_locallinkintegrityerrcnt) :
+ ((dd->ipath_flags & IPATH_GPIO_ERRINTRS) ?
+ dd->ipath_lli_errs : dd->ipath_lli_errors);
+ cntrs->excessive_buffer_overrun_errors =
+ crp->cr_excessbufferovflcnt ?
+ ipath_snap_cntr(dd, crp->cr_excessbufferovflcnt) :
+ dd->ipath_overrun_thresh_errs;
+ cntrs->vl15_dropped = crp->cr_vl15droppedpktcnt ?
+ ipath_snap_cntr(dd, crp->cr_vl15droppedpktcnt) : 0;
ret = 0;
@@ -1183,7 +1523,9 @@
props->sm_lid = dev->sm_lid;
props->sm_sl = dev->sm_sl;
ibcstat = dd->ipath_lastibcstat;
- props->state = ((ibcstat >> 4) & 0x3) + 1;
+ /* map LinkState to IB portinfo values. */
+ props->state = ipath_ib_linkstate(dd, ibcstat) + 1;
+
/* See phys_state_show() */
props->phys_state = /* MEA: assumes shift == 0 */
ipath_cvt_physportstate[dd->ipath_lastibcstat &
@@ -1195,18 +1537,13 @@
props->bad_pkey_cntr = ipath_get_cr_errpkey(dd) -
dev->z_pkey_violations;
props->qkey_viol_cntr = dev->qkey_violations;
- props->active_width = IB_WIDTH_4X;
+ props->active_width = dd->ipath_link_width_active;
/* See rate_show() */
- props->active_speed = 1; /* Regular 10Mbs speed. */
+ props->active_speed = dd->ipath_link_speed_active;
props->max_vl_num = 1; /* VLCap = VL0 */
props->init_type_reply = 0;
- /*
- * Note: the chip supports a maximum MTU of 4096, but the driver
- * hasn't implemented this feature yet, so set the maximum value
- * to 2048.
- */
- props->max_mtu = IB_MTU_2048;
+ props->max_mtu = ipath_mtu4096 ? IB_MTU_4096 : IB_MTU_2048;
switch (dd->ipath_ibmtu) {
case 4096:
mtu = IB_MTU_4096;
@@ -1399,6 +1736,7 @@
/* ib_create_ah() will initialize ah->ibah. */
ah->attr = *ah_attr;
+ ah->attr.static_rate = ipath_ib_rate_to_mult(ah_attr->static_rate);
ret = &ah->ibah;
@@ -1432,6 +1770,7 @@
struct ipath_ah *ah = to_iah(ibah);
*ah_attr = ah->attr;
+ ah_attr->static_rate = ipath_mult_to_ib_rate(ah->attr.static_rate);
return 0;
}
@@ -1581,6 +1920,8 @@
struct ipath_verbs_counters cntrs;
struct ipath_ibdev *idev;
struct ib_device *dev;
+ struct ipath_verbs_txreq *tx;
+ unsigned i;
int ret;
idev = (struct ipath_ibdev *)ib_alloc_device(sizeof *idev);
@@ -1591,6 +1932,17 @@
dev = &idev->ibdev;
+ if (dd->ipath_sdma_descq_cnt) {
+ tx = kmalloc(dd->ipath_sdma_descq_cnt * sizeof *tx,
+ GFP_KERNEL);
+ if (tx == NULL) {
+ ret = -ENOMEM;
+ goto err_tx;
+ }
+ } else
+ tx = NULL;
+ idev->txreq_bufs = tx;
+
/* Only need to initialize non-zero fields. */
spin_lock_init(&idev->n_pds_lock);
spin_lock_init(&idev->n_ahs_lock);
@@ -1631,15 +1983,17 @@
INIT_LIST_HEAD(&idev->pending[2]);
INIT_LIST_HEAD(&idev->piowait);
INIT_LIST_HEAD(&idev->rnrwait);
+ INIT_LIST_HEAD(&idev->txreq_free);
idev->pending_index = 0;
idev->port_cap_flags =
IB_PORT_SYS_IMAGE_GUID_SUP | IB_PORT_CLIENT_REG_SUP;
+ if (dd->ipath_flags & IPATH_HAS_LINK_LATENCY)
+ idev->port_cap_flags |= IB_PORT_LINK_LATENCY_SUP;
idev->pma_counter_select[0] = IB_PMA_PORT_XMIT_DATA;
idev->pma_counter_select[1] = IB_PMA_PORT_RCV_DATA;
idev->pma_counter_select[2] = IB_PMA_PORT_XMIT_PKTS;
idev->pma_counter_select[3] = IB_PMA_PORT_RCV_PKTS;
idev->pma_counter_select[4] = IB_PMA_PORT_XMIT_WAIT;
- idev->link_width_enabled = 3; /* 1x or 4x */
/* Snapshot current HW counters to "clear" them. */
ipath_get_counters(dd, &cntrs);
@@ -1661,6 +2015,9 @@
cntrs.excessive_buffer_overrun_errors;
idev->z_vl15_dropped = cntrs.vl15_dropped;
+ for (i = 0; i < dd->ipath_sdma_descq_cnt; i++, tx++)
+ list_add(&tx->txreq.list, &idev->txreq_free);
+
/*
* The system image GUID is supposed to be the same for all
* IB HCAs in a single system but since there can be other
@@ -1710,6 +2067,7 @@
dev->phys_port_cnt = 1;
dev->num_comp_vectors = 1;
dev->dma_device = &dd->pcidev->dev;
+ dev->class_dev.dev = dev->dma_device;
dev->query_device = ipath_query_device;
dev->modify_device = ipath_modify_device;
dev->query_port = ipath_query_port;
@@ -1774,6 +2132,8 @@
err_lk:
kfree(idev->qp_table.table);
err_qp:
+ kfree(idev->txreq_bufs);
+err_tx:
ib_dealloc_device(dev);
ipath_dev_err(dd, "cannot register verbs: %d!\n", -ret);
idev = NULL;
@@ -1808,6 +2168,7 @@
ipath_free_all_qps(&dev->qp_table);
kfree(dev->qp_table.table);
kfree(dev->lk_table.table);
+ kfree(dev->txreq_bufs);
ib_dealloc_device(ibdev);
}
@@ -1855,13 +2216,15 @@
"RC stalls %d\n"
"piobuf wait %d\n"
"no piobuf %d\n"
+ "unaligned %d\n"
"PKT drops %d\n"
"WQE errs %d\n",
dev->n_rc_resends, dev->n_rc_qacks, dev->n_rc_acks,
dev->n_seq_naks, dev->n_rdma_seq, dev->n_rnr_naks,
dev->n_other_naks, dev->n_timeouts,
dev->n_rdma_dup_busy, dev->n_rc_stalls, dev->n_piowait,
- dev->n_no_piobuf, dev->n_pkt_drops, dev->n_wqe_errs);
+ dev->n_no_piobuf, dev->n_unaligned,
+ dev->n_pkt_drops, dev->n_wqe_errs);
for (i = 0; i < ARRAY_SIZE(dev->opstats); i++) {
const struct ipath_opcode_stats *si = &dev->opstats[i];
diff --git a/drivers/infiniband/hw/ipath/ipath_verbs.h b/drivers/infiniband/hw/ipath/ipath_verbs.h
index 3d59736..6514aa8 100644
--- a/drivers/infiniband/hw/ipath/ipath_verbs.h
+++ b/drivers/infiniband/hw/ipath/ipath_verbs.h
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2006, 2007 QLogic Corporation. All rights reserved.
+ * Copyright (c) 2006, 2007, 2008 QLogic Corporation. All rights reserved.
* Copyright (c) 2005, 2006 PathScale, Inc. All rights reserved.
*
* This software is available to you under a choice of one of two
@@ -138,6 +138,11 @@
} u;
} __attribute__ ((packed));
+struct ipath_pio_header {
+ __le32 pbc[2];
+ struct ipath_ib_header hdr;
+} __attribute__ ((packed));
+
/*
* There is one struct ipath_mcast for each multicast GID.
* All attached QPs are then stored as a list of
@@ -319,6 +324,7 @@
struct ipath_sge *sg_list; /* next SGE to be used if any */
struct ipath_sge sge; /* progress state for the current SGE */
u8 num_sge;
+ u8 static_rate;
};
/*
@@ -356,6 +362,7 @@
struct tasklet_struct s_task;
struct ipath_mmap_info *ip;
struct ipath_sge_state *s_cur_sge;
+ struct ipath_verbs_txreq *s_tx;
struct ipath_sge_state s_sge; /* current send request data */
struct ipath_ack_entry s_ack_queue[IPATH_MAX_RDMA_ATOMIC + 1];
struct ipath_sge_state s_ack_rdma_sge;
@@ -363,7 +370,8 @@
struct ipath_sge_state r_sge; /* current receive data */
spinlock_t s_lock;
unsigned long s_busy;
- u32 s_hdrwords; /* size of s_hdr in 32 bit words */
+ u16 s_pkt_delay;
+ u16 s_hdrwords; /* size of s_hdr in 32 bit words */
u32 s_cur_size; /* size of send packet in bytes */
u32 s_len; /* total length of s_sge */
u32 s_rdma_read_len; /* total length of s_rdma_read_sge */
@@ -387,7 +395,6 @@
u8 r_nak_state; /* non-zero if NAK is pending */
u8 r_min_rnr_timer; /* retry timeout value for RNR NAKs */
u8 r_reuse_sge; /* for UC receive errors */
- u8 r_sge_inx; /* current index into sg_list */
u8 r_wrid_valid; /* r_wrid set but CQ entry not yet made */
u8 r_max_rd_atomic; /* max number of RDMA read/atomic to receive */
u8 r_head_ack_queue; /* index into s_ack_queue[] */
@@ -403,6 +410,7 @@
u8 s_num_rd_atomic; /* number of RDMA read/atomic pending */
u8 s_tail_ack_queue; /* index into s_ack_queue[] */
u8 s_flags;
+ u8 s_dmult;
u8 timeout; /* Timeout for this QP */
enum ib_mtu path_mtu;
u32 remote_qpn;
@@ -510,6 +518,8 @@
struct ipath_lkey_table lk_table;
struct list_head pending[3]; /* FIFO of QPs waiting for ACKs */
struct list_head piowait; /* list for wait PIO buf */
+ struct list_head txreq_free;
+ void *txreq_bufs;
/* list of QPs waiting for RNR timer */
struct list_head rnrwait;
spinlock_t pending_lock;
@@ -570,6 +580,7 @@
u32 n_rdma_dup_busy;
u32 n_piowait;
u32 n_no_piobuf;
+ u32 n_unaligned;
u32 port_cap_flags;
u32 pma_sample_start;
u32 pma_sample_interval;
@@ -581,7 +592,6 @@
u16 pending_index; /* which pending queue is active */
u8 pma_sample_status;
u8 subnet_timeout;
- u8 link_width_enabled;
u8 vl_high_limit;
struct ipath_opcode_stats opstats[128];
};
@@ -602,6 +612,16 @@
u32 vl15_dropped;
};
+struct ipath_verbs_txreq {
+ struct ipath_qp *qp;
+ struct ipath_swqe *wqe;
+ u32 map_len;
+ u32 len;
+ struct ipath_sge_state *ss;
+ struct ipath_pio_header hdr;
+ struct ipath_sdma_txreq txreq;
+};
+
static inline struct ipath_mr *to_imr(struct ib_mr *ibmr)
{
return container_of(ibmr, struct ipath_mr, ibmr);
@@ -694,11 +714,11 @@
void ipath_get_credit(struct ipath_qp *qp, u32 aeth);
+unsigned ipath_ib_rate_to_mult(enum ib_rate rate);
+
int ipath_verbs_send(struct ipath_qp *qp, struct ipath_ib_header *hdr,
u32 hdrwords, struct ipath_sge_state *ss, u32 len);
-void ipath_cq_enter(struct ipath_cq *cq, struct ib_wc *entry, int sig);
-
void ipath_copy_sge(struct ipath_sge_state *ss, void *data, u32 length);
void ipath_skip_sge(struct ipath_sge_state *ss, u32 length);
diff --git a/drivers/infiniband/hw/mlx4/cq.c b/drivers/infiniband/hw/mlx4/cq.c
index 7360bba..3557e7e 100644
--- a/drivers/infiniband/hw/mlx4/cq.c
+++ b/drivers/infiniband/hw/mlx4/cq.c
@@ -85,6 +85,82 @@
return get_sw_cqe(cq, cq->mcq.cons_index);
}
+int mlx4_ib_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period)
+{
+ struct mlx4_ib_cq *mcq = to_mcq(cq);
+ struct mlx4_ib_dev *dev = to_mdev(cq->device);
+
+ return mlx4_cq_modify(dev->dev, &mcq->mcq, cq_count, cq_period);
+}
+
+static int mlx4_ib_alloc_cq_buf(struct mlx4_ib_dev *dev, struct mlx4_ib_cq_buf *buf, int nent)
+{
+ int err;
+
+ err = mlx4_buf_alloc(dev->dev, nent * sizeof(struct mlx4_cqe),
+ PAGE_SIZE * 2, &buf->buf);
+
+ if (err)
+ goto out;
+
+ err = mlx4_mtt_init(dev->dev, buf->buf.npages, buf->buf.page_shift,
+ &buf->mtt);
+ if (err)
+ goto err_buf;
+
+ err = mlx4_buf_write_mtt(dev->dev, &buf->mtt, &buf->buf);
+ if (err)
+ goto err_mtt;
+
+ return 0;
+
+err_mtt:
+ mlx4_mtt_cleanup(dev->dev, &buf->mtt);
+
+err_buf:
+ mlx4_buf_free(dev->dev, nent * sizeof(struct mlx4_cqe),
+ &buf->buf);
+
+out:
+ return err;
+}
+
+static void mlx4_ib_free_cq_buf(struct mlx4_ib_dev *dev, struct mlx4_ib_cq_buf *buf, int cqe)
+{
+ mlx4_buf_free(dev->dev, (cqe + 1) * sizeof(struct mlx4_cqe), &buf->buf);
+}
+
+static int mlx4_ib_get_cq_umem(struct mlx4_ib_dev *dev, struct ib_ucontext *context,
+ struct mlx4_ib_cq_buf *buf, struct ib_umem **umem,
+ u64 buf_addr, int cqe)
+{
+ int err;
+
+ *umem = ib_umem_get(context, buf_addr, cqe * sizeof (struct mlx4_cqe),
+ IB_ACCESS_LOCAL_WRITE);
+ if (IS_ERR(*umem))
+ return PTR_ERR(*umem);
+
+ err = mlx4_mtt_init(dev->dev, ib_umem_page_count(*umem),
+ ilog2((*umem)->page_size), &buf->mtt);
+ if (err)
+ goto err_buf;
+
+ err = mlx4_ib_umem_write_mtt(dev, &buf->mtt, *umem);
+ if (err)
+ goto err_mtt;
+
+ return 0;
+
+err_mtt:
+ mlx4_mtt_cleanup(dev->dev, &buf->mtt);
+
+err_buf:
+ ib_umem_release(*umem);
+
+ return err;
+}
+
struct ib_cq *mlx4_ib_create_cq(struct ib_device *ibdev, int entries, int vector,
struct ib_ucontext *context,
struct ib_udata *udata)
@@ -92,7 +168,6 @@
struct mlx4_ib_dev *dev = to_mdev(ibdev);
struct mlx4_ib_cq *cq;
struct mlx4_uar *uar;
- int buf_size;
int err;
if (entries < 1 || entries > dev->dev->caps.max_cqes)
@@ -104,8 +179,10 @@
entries = roundup_pow_of_two(entries + 1);
cq->ibcq.cqe = entries - 1;
- buf_size = entries * sizeof (struct mlx4_cqe);
+ mutex_init(&cq->resize_mutex);
spin_lock_init(&cq->lock);
+ cq->resize_buf = NULL;
+ cq->resize_umem = NULL;
if (context) {
struct mlx4_ib_create_cq ucmd;
@@ -115,21 +192,10 @@
goto err_cq;
}
- cq->umem = ib_umem_get(context, ucmd.buf_addr, buf_size,
- IB_ACCESS_LOCAL_WRITE);
- if (IS_ERR(cq->umem)) {
- err = PTR_ERR(cq->umem);
+ err = mlx4_ib_get_cq_umem(dev, context, &cq->buf, &cq->umem,
+ ucmd.buf_addr, entries);
+ if (err)
goto err_cq;
- }
-
- err = mlx4_mtt_init(dev->dev, ib_umem_page_count(cq->umem),
- ilog2(cq->umem->page_size), &cq->buf.mtt);
- if (err)
- goto err_buf;
-
- err = mlx4_ib_umem_write_mtt(dev, &cq->buf.mtt, cq->umem);
- if (err)
- goto err_mtt;
err = mlx4_ib_db_map_user(to_mucontext(context), ucmd.db_addr,
&cq->db);
@@ -147,19 +213,9 @@
*cq->mcq.set_ci_db = 0;
*cq->mcq.arm_db = 0;
- if (mlx4_buf_alloc(dev->dev, buf_size, PAGE_SIZE * 2, &cq->buf.buf)) {
- err = -ENOMEM;
+ err = mlx4_ib_alloc_cq_buf(dev, &cq->buf, entries);
+ if (err)
goto err_db;
- }
-
- err = mlx4_mtt_init(dev->dev, cq->buf.buf.npages, cq->buf.buf.page_shift,
- &cq->buf.mtt);
- if (err)
- goto err_buf;
-
- err = mlx4_buf_write_mtt(dev->dev, &cq->buf.mtt, &cq->buf.buf);
- if (err)
- goto err_mtt;
uar = &dev->priv_uar;
}
@@ -187,12 +243,10 @@
err_mtt:
mlx4_mtt_cleanup(dev->dev, &cq->buf.mtt);
-err_buf:
if (context)
ib_umem_release(cq->umem);
else
- mlx4_buf_free(dev->dev, entries * sizeof (struct mlx4_cqe),
- &cq->buf.buf);
+ mlx4_ib_free_cq_buf(dev, &cq->buf, entries);
err_db:
if (!context)
@@ -204,6 +258,170 @@
return ERR_PTR(err);
}
+static int mlx4_alloc_resize_buf(struct mlx4_ib_dev *dev, struct mlx4_ib_cq *cq,
+ int entries)
+{
+ int err;
+
+ if (cq->resize_buf)
+ return -EBUSY;
+
+ cq->resize_buf = kmalloc(sizeof *cq->resize_buf, GFP_ATOMIC);
+ if (!cq->resize_buf)
+ return -ENOMEM;
+
+ err = mlx4_ib_alloc_cq_buf(dev, &cq->resize_buf->buf, entries);
+ if (err) {
+ kfree(cq->resize_buf);
+ cq->resize_buf = NULL;
+ return err;
+ }
+
+ cq->resize_buf->cqe = entries - 1;
+
+ return 0;
+}
+
+static int mlx4_alloc_resize_umem(struct mlx4_ib_dev *dev, struct mlx4_ib_cq *cq,
+ int entries, struct ib_udata *udata)
+{
+ struct mlx4_ib_resize_cq ucmd;
+ int err;
+
+ if (cq->resize_umem)
+ return -EBUSY;
+
+ if (ib_copy_from_udata(&ucmd, udata, sizeof ucmd))
+ return -EFAULT;
+
+ cq->resize_buf = kmalloc(sizeof *cq->resize_buf, GFP_ATOMIC);
+ if (!cq->resize_buf)
+ return -ENOMEM;
+
+ err = mlx4_ib_get_cq_umem(dev, cq->umem->context, &cq->resize_buf->buf,
+ &cq->resize_umem, ucmd.buf_addr, entries);
+ if (err) {
+ kfree(cq->resize_buf);
+ cq->resize_buf = NULL;
+ return err;
+ }
+
+ cq->resize_buf->cqe = entries - 1;
+
+ return 0;
+}
+
+static int mlx4_ib_get_outstanding_cqes(struct mlx4_ib_cq *cq)
+{
+ u32 i;
+
+ i = cq->mcq.cons_index;
+ while (get_sw_cqe(cq, i & cq->ibcq.cqe))
+ ++i;
+
+ return i - cq->mcq.cons_index;
+}
+
+static void mlx4_ib_cq_resize_copy_cqes(struct mlx4_ib_cq *cq)
+{
+ struct mlx4_cqe *cqe;
+ int i;
+
+ i = cq->mcq.cons_index;
+ cqe = get_cqe(cq, i & cq->ibcq.cqe);
+ while ((cqe->owner_sr_opcode & MLX4_CQE_OPCODE_MASK) != MLX4_CQE_OPCODE_RESIZE) {
+ memcpy(get_cqe_from_buf(&cq->resize_buf->buf,
+ (i + 1) & cq->resize_buf->cqe),
+ get_cqe(cq, i & cq->ibcq.cqe), sizeof(struct mlx4_cqe));
+ cqe = get_cqe(cq, ++i & cq->ibcq.cqe);
+ }
+ ++cq->mcq.cons_index;
+}
+
+int mlx4_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata)
+{
+ struct mlx4_ib_dev *dev = to_mdev(ibcq->device);
+ struct mlx4_ib_cq *cq = to_mcq(ibcq);
+ int outst_cqe;
+ int err;
+
+ mutex_lock(&cq->resize_mutex);
+
+ if (entries < 1 || entries > dev->dev->caps.max_cqes) {
+ err = -EINVAL;
+ goto out;
+ }
+
+ entries = roundup_pow_of_two(entries + 1);
+ if (entries == ibcq->cqe + 1) {
+ err = 0;
+ goto out;
+ }
+
+ if (ibcq->uobject) {
+ err = mlx4_alloc_resize_umem(dev, cq, entries, udata);
+ if (err)
+ goto out;
+ } else {
+ /* Can't be smaller then the number of outstanding CQEs */
+ outst_cqe = mlx4_ib_get_outstanding_cqes(cq);
+ if (entries < outst_cqe + 1) {
+ err = 0;
+ goto out;
+ }
+
+ err = mlx4_alloc_resize_buf(dev, cq, entries);
+ if (err)
+ goto out;
+ }
+
+ err = mlx4_cq_resize(dev->dev, &cq->mcq, entries, &cq->resize_buf->buf.mtt);
+ if (err)
+ goto err_buf;
+
+ if (ibcq->uobject) {
+ cq->buf = cq->resize_buf->buf;
+ cq->ibcq.cqe = cq->resize_buf->cqe;
+ ib_umem_release(cq->umem);
+ cq->umem = cq->resize_umem;
+
+ kfree(cq->resize_buf);
+ cq->resize_buf = NULL;
+ cq->resize_umem = NULL;
+ } else {
+ spin_lock_irq(&cq->lock);
+ if (cq->resize_buf) {
+ mlx4_ib_cq_resize_copy_cqes(cq);
+ mlx4_ib_free_cq_buf(dev, &cq->buf, cq->ibcq.cqe);
+ cq->buf = cq->resize_buf->buf;
+ cq->ibcq.cqe = cq->resize_buf->cqe;
+
+ kfree(cq->resize_buf);
+ cq->resize_buf = NULL;
+ }
+ spin_unlock_irq(&cq->lock);
+ }
+
+ goto out;
+
+err_buf:
+ if (!ibcq->uobject)
+ mlx4_ib_free_cq_buf(dev, &cq->resize_buf->buf,
+ cq->resize_buf->cqe);
+
+ kfree(cq->resize_buf);
+ cq->resize_buf = NULL;
+
+ if (cq->resize_umem) {
+ ib_umem_release(cq->resize_umem);
+ cq->resize_umem = NULL;
+ }
+
+out:
+ mutex_unlock(&cq->resize_mutex);
+ return err;
+}
+
int mlx4_ib_destroy_cq(struct ib_cq *cq)
{
struct mlx4_ib_dev *dev = to_mdev(cq->device);
@@ -216,8 +434,7 @@
mlx4_ib_db_unmap_user(to_mucontext(cq->uobject->context), &mcq->db);
ib_umem_release(mcq->umem);
} else {
- mlx4_buf_free(dev->dev, (cq->cqe + 1) * sizeof (struct mlx4_cqe),
- &mcq->buf.buf);
+ mlx4_ib_free_cq_buf(dev, &mcq->buf, cq->cqe + 1);
mlx4_ib_db_free(dev, &mcq->db);
}
@@ -297,6 +514,20 @@
wc->vendor_err = cqe->vendor_err_syndrome;
}
+static int mlx4_ib_ipoib_csum_ok(__be32 status, __be16 checksum)
+{
+ return ((status & cpu_to_be32(MLX4_CQE_IPOIB_STATUS_IPV4 |
+ MLX4_CQE_IPOIB_STATUS_IPV4F |
+ MLX4_CQE_IPOIB_STATUS_IPV4OPT |
+ MLX4_CQE_IPOIB_STATUS_IPV6 |
+ MLX4_CQE_IPOIB_STATUS_IPOK)) ==
+ cpu_to_be32(MLX4_CQE_IPOIB_STATUS_IPV4 |
+ MLX4_CQE_IPOIB_STATUS_IPOK)) &&
+ (status & cpu_to_be32(MLX4_CQE_IPOIB_STATUS_UDP |
+ MLX4_CQE_IPOIB_STATUS_TCP)) &&
+ checksum == cpu_to_be16(0xffff);
+}
+
static int mlx4_ib_poll_one(struct mlx4_ib_cq *cq,
struct mlx4_ib_qp **cur_qp,
struct ib_wc *wc)
@@ -310,6 +541,7 @@
u32 g_mlpath_rqpn;
u16 wqe_ctr;
+repoll:
cqe = next_cqe_sw(cq);
if (!cqe)
return -EAGAIN;
@@ -332,6 +564,22 @@
return -EINVAL;
}
+ /* Resize CQ in progress */
+ if (unlikely((cqe->owner_sr_opcode & MLX4_CQE_OPCODE_MASK) == MLX4_CQE_OPCODE_RESIZE)) {
+ if (cq->resize_buf) {
+ struct mlx4_ib_dev *dev = to_mdev(cq->ibcq.device);
+
+ mlx4_ib_free_cq_buf(dev, &cq->buf, cq->ibcq.cqe);
+ cq->buf = cq->resize_buf->buf;
+ cq->ibcq.cqe = cq->resize_buf->cqe;
+
+ kfree(cq->resize_buf);
+ cq->resize_buf = NULL;
+ }
+
+ goto repoll;
+ }
+
if (!*cur_qp ||
(be32_to_cpu(cqe->my_qpn) & 0xffffff) != (*cur_qp)->mqp.qpn) {
/*
@@ -406,6 +654,9 @@
case MLX4_OPCODE_BIND_MW:
wc->opcode = IB_WC_BIND_MW;
break;
+ case MLX4_OPCODE_LSO:
+ wc->opcode = IB_WC_LSO;
+ break;
}
} else {
wc->byte_len = be32_to_cpu(cqe->byte_cnt);
@@ -434,6 +685,8 @@
wc->dlid_path_bits = (g_mlpath_rqpn >> 24) & 0x7f;
wc->wc_flags |= g_mlpath_rqpn & 0x80000000 ? IB_WC_GRH : 0;
wc->pkey_index = be32_to_cpu(cqe->immed_rss_invalid) & 0x7f;
+ wc->csum_ok = mlx4_ib_ipoib_csum_ok(cqe->ipoib_status,
+ cqe->checksum);
}
return 0;
diff --git a/drivers/infiniband/hw/mlx4/mad.c b/drivers/infiniband/hw/mlx4/mad.c
index 0ed02b7..4c1e72f 100644
--- a/drivers/infiniband/hw/mlx4/mad.c
+++ b/drivers/infiniband/hw/mlx4/mad.c
@@ -165,7 +165,7 @@
event.device = ibdev;
event.element.port_num = port_num;
- if(pinfo->clientrereg_resv_subnetto & 0x80)
+ if (pinfo->clientrereg_resv_subnetto & 0x80)
event.event = IB_EVENT_CLIENT_REREGISTER;
else
event.event = IB_EVENT_LID_CHANGE;
diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c
index 96a39b5..136c76c 100644
--- a/drivers/infiniband/hw/mlx4/main.c
+++ b/drivers/infiniband/hw/mlx4/main.c
@@ -44,8 +44,8 @@
#include "user.h"
#define DRV_NAME "mlx4_ib"
-#define DRV_VERSION "0.01"
-#define DRV_RELDATE "May 1, 2006"
+#define DRV_VERSION "1.0"
+#define DRV_RELDATE "April 4, 2008"
MODULE_AUTHOR("Roland Dreier");
MODULE_DESCRIPTION("Mellanox ConnectX HCA InfiniBand driver");
@@ -99,6 +99,10 @@
props->device_cap_flags |= IB_DEVICE_AUTO_PATH_MIG;
if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_UD_AV_PORT)
props->device_cap_flags |= IB_DEVICE_UD_AV_PORT_ENFORCE;
+ if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_IPOIB_CSUM)
+ props->device_cap_flags |= IB_DEVICE_UD_IP_CSUM;
+ if (dev->dev->caps.max_gso_sz)
+ props->device_cap_flags |= IB_DEVICE_UD_TSO;
props->vendor_id = be32_to_cpup((__be32 *) (out_mad->data + 36)) &
0xffffff;
@@ -567,6 +571,7 @@
(1ull << IB_USER_VERBS_CMD_DEREG_MR) |
(1ull << IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL) |
(1ull << IB_USER_VERBS_CMD_CREATE_CQ) |
+ (1ull << IB_USER_VERBS_CMD_RESIZE_CQ) |
(1ull << IB_USER_VERBS_CMD_DESTROY_CQ) |
(1ull << IB_USER_VERBS_CMD_CREATE_QP) |
(1ull << IB_USER_VERBS_CMD_MODIFY_QP) |
@@ -605,6 +610,8 @@
ibdev->ib_dev.post_send = mlx4_ib_post_send;
ibdev->ib_dev.post_recv = mlx4_ib_post_recv;
ibdev->ib_dev.create_cq = mlx4_ib_create_cq;
+ ibdev->ib_dev.modify_cq = mlx4_ib_modify_cq;
+ ibdev->ib_dev.resize_cq = mlx4_ib_resize_cq;
ibdev->ib_dev.destroy_cq = mlx4_ib_destroy_cq;
ibdev->ib_dev.poll_cq = mlx4_ib_poll_cq;
ibdev->ib_dev.req_notify_cq = mlx4_ib_arm_cq;
@@ -675,18 +682,20 @@
}
static void mlx4_ib_event(struct mlx4_dev *dev, void *ibdev_ptr,
- enum mlx4_dev_event event, int subtype,
- int port)
+ enum mlx4_dev_event event, int port)
{
struct ib_event ibev;
switch (event) {
- case MLX4_EVENT_TYPE_PORT_CHANGE:
- ibev.event = subtype == MLX4_PORT_CHANGE_SUBTYPE_ACTIVE ?
- IB_EVENT_PORT_ACTIVE : IB_EVENT_PORT_ERR;
+ case MLX4_DEV_EVENT_PORT_UP:
+ ibev.event = IB_EVENT_PORT_ACTIVE;
break;
- case MLX4_EVENT_TYPE_LOCAL_CATAS_ERROR:
+ case MLX4_DEV_EVENT_PORT_DOWN:
+ ibev.event = IB_EVENT_PORT_ERR;
+ break;
+
+ case MLX4_DEV_EVENT_CATASTROPHIC_ERROR:
ibev.event = IB_EVENT_DEVICE_FATAL;
break;
diff --git a/drivers/infiniband/hw/mlx4/mlx4_ib.h b/drivers/infiniband/hw/mlx4/mlx4_ib.h
index 3726e45..9e63732 100644
--- a/drivers/infiniband/hw/mlx4/mlx4_ib.h
+++ b/drivers/infiniband/hw/mlx4/mlx4_ib.h
@@ -78,13 +78,21 @@
struct mlx4_mtt mtt;
};
+struct mlx4_ib_cq_resize {
+ struct mlx4_ib_cq_buf buf;
+ int cqe;
+};
+
struct mlx4_ib_cq {
struct ib_cq ibcq;
struct mlx4_cq mcq;
struct mlx4_ib_cq_buf buf;
+ struct mlx4_ib_cq_resize *resize_buf;
struct mlx4_ib_db db;
spinlock_t lock;
+ struct mutex resize_mutex;
struct ib_umem *umem;
+ struct ib_umem *resize_umem;
};
struct mlx4_ib_mr {
@@ -110,6 +118,10 @@
unsigned tail;
};
+enum mlx4_ib_qp_flags {
+ MLX4_IB_QP_LSO = 1 << 0
+};
+
struct mlx4_ib_qp {
struct ib_qp ibqp;
struct mlx4_qp mqp;
@@ -129,6 +141,7 @@
struct mlx4_mtt mtt;
int buf_size;
struct mutex mutex;
+ u32 flags;
u8 port;
u8 alt_port;
u8 atomic_rd_en;
@@ -249,6 +262,8 @@
struct ib_udata *udata);
int mlx4_ib_dereg_mr(struct ib_mr *mr);
+int mlx4_ib_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period);
+int mlx4_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata);
struct ib_cq *mlx4_ib_create_cq(struct ib_device *ibdev, int entries, int vector,
struct ib_ucontext *context,
struct ib_udata *udata);
diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c
index 958e205..b75efae 100644
--- a/drivers/infiniband/hw/mlx4/qp.c
+++ b/drivers/infiniband/hw/mlx4/qp.c
@@ -71,6 +71,7 @@
static const __be32 mlx4_ib_opcode[] = {
[IB_WR_SEND] = __constant_cpu_to_be32(MLX4_OPCODE_SEND),
+ [IB_WR_LSO] = __constant_cpu_to_be32(MLX4_OPCODE_LSO),
[IB_WR_SEND_WITH_IMM] = __constant_cpu_to_be32(MLX4_OPCODE_SEND_IMM),
[IB_WR_RDMA_WRITE] = __constant_cpu_to_be32(MLX4_OPCODE_RDMA_WRITE),
[IB_WR_RDMA_WRITE_WITH_IMM] = __constant_cpu_to_be32(MLX4_OPCODE_RDMA_WRITE_IMM),
@@ -122,7 +123,7 @@
*/
static void stamp_send_wqe(struct mlx4_ib_qp *qp, int n, int size)
{
- u32 *wqe;
+ __be32 *wqe;
int i;
int s;
int ind;
@@ -143,7 +144,7 @@
buf = get_send_wqe(qp, n & (qp->sq.wqe_cnt - 1));
for (i = 64; i < s; i += 64) {
wqe = buf + i;
- *wqe = 0xffffffff;
+ *wqe = cpu_to_be32(0xffffffff);
}
}
}
@@ -242,7 +243,7 @@
}
}
-static int send_wqe_overhead(enum ib_qp_type type)
+static int send_wqe_overhead(enum ib_qp_type type, u32 flags)
{
/*
* UD WQEs must have a datagram segment.
@@ -253,7 +254,8 @@
switch (type) {
case IB_QPT_UD:
return sizeof (struct mlx4_wqe_ctrl_seg) +
- sizeof (struct mlx4_wqe_datagram_seg);
+ sizeof (struct mlx4_wqe_datagram_seg) +
+ ((flags & MLX4_IB_QP_LSO) ? 64 : 0);
case IB_QPT_UC:
return sizeof (struct mlx4_wqe_ctrl_seg) +
sizeof (struct mlx4_wqe_raddr_seg);
@@ -315,7 +317,7 @@
/* Sanity check SQ size before proceeding */
if (cap->max_send_wr > dev->dev->caps.max_wqes ||
cap->max_send_sge > dev->dev->caps.max_sq_sg ||
- cap->max_inline_data + send_wqe_overhead(type) +
+ cap->max_inline_data + send_wqe_overhead(type, qp->flags) +
sizeof (struct mlx4_wqe_inline_seg) > dev->dev->caps.max_sq_desc_sz)
return -EINVAL;
@@ -329,7 +331,7 @@
s = max(cap->max_send_sge * sizeof (struct mlx4_wqe_data_seg),
cap->max_inline_data + sizeof (struct mlx4_wqe_inline_seg)) +
- send_wqe_overhead(type);
+ send_wqe_overhead(type, qp->flags);
/*
* Hermon supports shrinking WQEs, such that a single work
@@ -394,7 +396,8 @@
}
qp->sq.max_gs = ((qp->sq_max_wqes_per_wr << qp->sq.wqe_shift) -
- send_wqe_overhead(type)) / sizeof (struct mlx4_wqe_data_seg);
+ send_wqe_overhead(type, qp->flags)) /
+ sizeof (struct mlx4_wqe_data_seg);
qp->buf_size = (qp->rq.wqe_cnt << qp->rq.wqe_shift) +
(qp->sq.wqe_cnt << qp->sq.wqe_shift);
@@ -503,6 +506,9 @@
} else {
qp->sq_no_prefetch = 0;
+ if (init_attr->create_flags & IB_QP_CREATE_IPOIB_UD_LSO)
+ qp->flags |= MLX4_IB_QP_LSO;
+
err = set_kernel_sq_size(dev, &init_attr->cap, init_attr->qp_type, qp);
if (err)
goto err;
@@ -673,6 +679,13 @@
struct mlx4_ib_qp *qp;
int err;
+ /* We only support LSO, and only for kernel UD QPs. */
+ if (init_attr->create_flags & ~IB_QP_CREATE_IPOIB_UD_LSO)
+ return ERR_PTR(-EINVAL);
+ if (init_attr->create_flags & IB_QP_CREATE_IPOIB_UD_LSO &&
+ (pd->uobject || init_attr->qp_type != IB_QPT_UD))
+ return ERR_PTR(-EINVAL);
+
switch (init_attr->qp_type) {
case IB_QPT_RC:
case IB_QPT_UC:
@@ -876,10 +889,15 @@
}
}
- if (ibqp->qp_type == IB_QPT_GSI || ibqp->qp_type == IB_QPT_SMI ||
- ibqp->qp_type == IB_QPT_UD)
+ if (ibqp->qp_type == IB_QPT_GSI || ibqp->qp_type == IB_QPT_SMI)
context->mtu_msgmax = (IB_MTU_4096 << 5) | 11;
- else if (attr_mask & IB_QP_PATH_MTU) {
+ else if (ibqp->qp_type == IB_QPT_UD) {
+ if (qp->flags & MLX4_IB_QP_LSO)
+ context->mtu_msgmax = (IB_MTU_4096 << 5) |
+ ilog2(dev->dev->caps.max_gso_sz);
+ else
+ context->mtu_msgmax = (IB_MTU_4096 << 5) | 11;
+ } else if (attr_mask & IB_QP_PATH_MTU) {
if (attr->path_mtu < IB_MTU_256 || attr->path_mtu > IB_MTU_4096) {
printk(KERN_ERR "path MTU (%u) is invalid\n",
attr->path_mtu);
@@ -1182,7 +1200,7 @@
}
static int build_mlx_header(struct mlx4_ib_sqp *sqp, struct ib_send_wr *wr,
- void *wqe)
+ void *wqe, unsigned *mlx_seg_len)
{
struct ib_device *ib_dev = &to_mdev(sqp->qp.ibqp.device)->ib_dev;
struct mlx4_wqe_mlx_seg *mlx = wqe;
@@ -1231,7 +1249,7 @@
case IB_WR_SEND_WITH_IMM:
sqp->ud_header.bth.opcode = IB_OPCODE_UD_SEND_ONLY_WITH_IMMEDIATE;
sqp->ud_header.immediate_present = 1;
- sqp->ud_header.immediate_data = wr->imm_data;
+ sqp->ud_header.immediate_data = wr->ex.imm_data;
break;
default:
return -EINVAL;
@@ -1303,7 +1321,9 @@
i = 2;
}
- return ALIGN(i * sizeof (struct mlx4_wqe_inline_seg) + header_size, 16);
+ *mlx_seg_len =
+ ALIGN(i * sizeof (struct mlx4_wqe_inline_seg) + header_size, 16);
+ return 0;
}
static int mlx4_wq_overflow(struct mlx4_ib_wq *wq, int nreq, struct ib_cq *ib_cq)
@@ -1396,6 +1416,34 @@
dseg->addr = cpu_to_be64(sg->addr);
}
+static int build_lso_seg(struct mlx4_lso_seg *wqe, struct ib_send_wr *wr,
+ struct mlx4_ib_qp *qp, unsigned *lso_seg_len)
+{
+ unsigned halign = ALIGN(sizeof *wqe + wr->wr.ud.hlen, 16);
+
+ /*
+ * This is a temporary limitation and will be removed in
+ * a forthcoming FW release:
+ */
+ if (unlikely(halign > 64))
+ return -EINVAL;
+
+ if (unlikely(!(qp->flags & MLX4_IB_QP_LSO) &&
+ wr->num_sge > qp->sq.max_gs - (halign >> 4)))
+ return -EINVAL;
+
+ memcpy(wqe->header, wr->wr.ud.header, wr->wr.ud.hlen);
+
+ /* make sure LSO header is written before overwriting stamping */
+ wmb();
+
+ wqe->mss_hdr_size = cpu_to_be32((wr->wr.ud.mss - wr->wr.ud.hlen) << 16 |
+ wr->wr.ud.hlen);
+
+ *lso_seg_len = halign;
+ return 0;
+}
+
int mlx4_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
struct ib_send_wr **bad_wr)
{
@@ -1409,6 +1457,7 @@
unsigned ind;
int uninitialized_var(stamp);
int uninitialized_var(size);
+ unsigned seglen;
int i;
spin_lock_irqsave(&qp->sq.lock, flags);
@@ -1436,11 +1485,14 @@
cpu_to_be32(MLX4_WQE_CTRL_CQ_UPDATE) : 0) |
(wr->send_flags & IB_SEND_SOLICITED ?
cpu_to_be32(MLX4_WQE_CTRL_SOLICITED) : 0) |
+ ((wr->send_flags & IB_SEND_IP_CSUM) ?
+ cpu_to_be32(MLX4_WQE_CTRL_IP_CSUM |
+ MLX4_WQE_CTRL_TCP_UDP_CSUM) : 0) |
qp->sq_signal_bits;
if (wr->opcode == IB_WR_SEND_WITH_IMM ||
wr->opcode == IB_WR_RDMA_WRITE_WITH_IMM)
- ctrl->imm = wr->imm_data;
+ ctrl->imm = wr->ex.imm_data;
else
ctrl->imm = 0;
@@ -1484,19 +1536,27 @@
set_datagram_seg(wqe, wr);
wqe += sizeof (struct mlx4_wqe_datagram_seg);
size += sizeof (struct mlx4_wqe_datagram_seg) / 16;
+
+ if (wr->opcode == IB_WR_LSO) {
+ err = build_lso_seg(wqe, wr, qp, &seglen);
+ if (unlikely(err)) {
+ *bad_wr = wr;
+ goto out;
+ }
+ wqe += seglen;
+ size += seglen / 16;
+ }
break;
case IB_QPT_SMI:
case IB_QPT_GSI:
- err = build_mlx_header(to_msqp(qp), wr, ctrl);
- if (err < 0) {
+ err = build_mlx_header(to_msqp(qp), wr, ctrl, &seglen);
+ if (unlikely(err)) {
*bad_wr = wr;
goto out;
}
- wqe += err;
- size += err / 16;
-
- err = 0;
+ wqe += seglen;
+ size += seglen / 16;
break;
default:
@@ -1725,7 +1785,9 @@
struct mlx4_ib_qp *qp = to_mqp(ibqp);
struct mlx4_qp_context context;
int mlx4_state;
- int err;
+ int err = 0;
+
+ mutex_lock(&qp->mutex);
if (qp->state == IB_QPS_RESET) {
qp_attr->qp_state = IB_QPS_RESET;
@@ -1733,12 +1795,15 @@
}
err = mlx4_qp_query(dev->dev, &qp->mqp, &context);
- if (err)
- return -EINVAL;
+ if (err) {
+ err = -EINVAL;
+ goto out;
+ }
mlx4_state = be32_to_cpu(context.flags) >> 28;
- qp_attr->qp_state = to_ib_qp_state(mlx4_state);
+ qp->state = to_ib_qp_state(mlx4_state);
+ qp_attr->qp_state = qp->state;
qp_attr->path_mtu = context.mtu_msgmax >> 5;
qp_attr->path_mig_state =
to_ib_mig_state((be32_to_cpu(context.flags) >> 11) & 0x3);
@@ -1797,6 +1862,8 @@
qp_init_attr->cap = qp_attr->cap;
- return 0;
+out:
+ mutex_unlock(&qp->mutex);
+ return err;
}
diff --git a/drivers/infiniband/hw/mthca/mthca_cmd.c b/drivers/infiniband/hw/mthca/mthca_cmd.c
index 09a30dd..54d230e 100644
--- a/drivers/infiniband/hw/mthca/mthca_cmd.c
+++ b/drivers/infiniband/hw/mthca/mthca_cmd.c
@@ -219,7 +219,7 @@
__raw_writel((__force u32) cpu_to_be32((1 << HCR_GO_BIT) |
(1 << HCA_E_BIT) |
(op_modifier << HCR_OPMOD_SHIFT) |
- op), ptr + offs[6]);
+ op), ptr + offs[6]);
wmb();
__raw_writel((__force u32) 0, ptr + offs[7]);
wmb();
@@ -1339,6 +1339,10 @@
/* Check port for UD address vector: */
*(inbox + INIT_HCA_FLAGS2_OFFSET / 4) |= cpu_to_be32(1);
+ /* Enable IPoIB checksumming if we can: */
+ if (dev->device_cap_flags & IB_DEVICE_UD_IP_CSUM)
+ *(inbox + INIT_HCA_FLAGS2_OFFSET / 4) |= cpu_to_be32(7 << 3);
+
/* We leave wqe_quota, responder_exu, etc as 0 (default) */
/* QPC/EEC/CQC/EQC/RDB attributes */
diff --git a/drivers/infiniband/hw/mthca/mthca_cmd.h b/drivers/infiniband/hw/mthca/mthca_cmd.h
index 2f976f2..8928ca4 100644
--- a/drivers/infiniband/hw/mthca/mthca_cmd.h
+++ b/drivers/infiniband/hw/mthca/mthca_cmd.h
@@ -103,6 +103,7 @@
DEV_LIM_FLAG_RAW_IPV6 = 1 << 4,
DEV_LIM_FLAG_RAW_ETHER = 1 << 5,
DEV_LIM_FLAG_SRQ = 1 << 6,
+ DEV_LIM_FLAG_IPOIB_CSUM = 1 << 7,
DEV_LIM_FLAG_BAD_PKEY_CNTR = 1 << 8,
DEV_LIM_FLAG_BAD_QKEY_CNTR = 1 << 9,
DEV_LIM_FLAG_MW = 1 << 16,
diff --git a/drivers/infiniband/hw/mthca/mthca_cq.c b/drivers/infiniband/hw/mthca/mthca_cq.c
index 1e1e336..20401d2 100644
--- a/drivers/infiniband/hw/mthca/mthca_cq.c
+++ b/drivers/infiniband/hw/mthca/mthca_cq.c
@@ -119,7 +119,8 @@
__be32 my_qpn;
__be32 my_ee;
__be32 rqpn;
- __be16 sl_g_mlpath;
+ u8 sl_ipok;
+ u8 g_mlpath;
__be16 rlid;
__be32 imm_etype_pkey_eec;
__be32 byte_cnt;
@@ -493,6 +494,7 @@
int is_send;
int free_cqe = 1;
int err = 0;
+ u16 checksum;
cqe = next_cqe_sw(cq);
if (!cqe)
@@ -635,12 +637,14 @@
break;
}
entry->slid = be16_to_cpu(cqe->rlid);
- entry->sl = be16_to_cpu(cqe->sl_g_mlpath) >> 12;
+ entry->sl = cqe->sl_ipok >> 4;
entry->src_qp = be32_to_cpu(cqe->rqpn) & 0xffffff;
- entry->dlid_path_bits = be16_to_cpu(cqe->sl_g_mlpath) & 0x7f;
+ entry->dlid_path_bits = cqe->g_mlpath & 0x7f;
entry->pkey_index = be32_to_cpu(cqe->imm_etype_pkey_eec) >> 16;
- entry->wc_flags |= be16_to_cpu(cqe->sl_g_mlpath) & 0x80 ?
- IB_WC_GRH : 0;
+ entry->wc_flags |= cqe->g_mlpath & 0x80 ? IB_WC_GRH : 0;
+ checksum = (be32_to_cpu(cqe->rqpn) >> 24) |
+ ((be32_to_cpu(cqe->my_ee) >> 16) & 0xff00);
+ entry->csum_ok = (cqe->sl_ipok & 1 && checksum == 0xffff);
}
entry->status = IB_WC_SUCCESS;
diff --git a/drivers/infiniband/hw/mthca/mthca_dev.h b/drivers/infiniband/hw/mthca/mthca_dev.h
index 7bbdd1f..0e842e0 100644
--- a/drivers/infiniband/hw/mthca/mthca_dev.h
+++ b/drivers/infiniband/hw/mthca/mthca_dev.h
@@ -54,8 +54,8 @@
#define DRV_NAME "ib_mthca"
#define PFX DRV_NAME ": "
-#define DRV_VERSION "0.08"
-#define DRV_RELDATE "February 14, 2006"
+#define DRV_VERSION "1.0"
+#define DRV_RELDATE "April 4, 2008"
enum {
MTHCA_FLAG_DDR_HIDDEN = 1 << 1,
@@ -390,11 +390,11 @@
do { \
void *__p = (char *) (source) + (offset); \
switch (sizeof (dest)) { \
- case 1: (dest) = *(u8 *) __p; break; \
- case 2: (dest) = be16_to_cpup(__p); break; \
- case 4: (dest) = be32_to_cpup(__p); break; \
- case 8: (dest) = be64_to_cpup(__p); break; \
- default: __buggy_use_of_MTHCA_GET(); \
+ case 1: (dest) = *(u8 *) __p; break; \
+ case 2: (dest) = be16_to_cpup(__p); break; \
+ case 4: (dest) = be32_to_cpup(__p); break; \
+ case 8: (dest) = be64_to_cpup(__p); break; \
+ default: __buggy_use_of_MTHCA_GET(); \
} \
} while (0)
diff --git a/drivers/infiniband/hw/mthca/mthca_eq.c b/drivers/infiniband/hw/mthca/mthca_eq.c
index b60eb5d..8bde7f9 100644
--- a/drivers/infiniband/hw/mthca/mthca_eq.c
+++ b/drivers/infiniband/hw/mthca/mthca_eq.c
@@ -232,9 +232,9 @@
return eq->page_list[off / PAGE_SIZE].buf + off % PAGE_SIZE;
}
-static inline struct mthca_eqe* next_eqe_sw(struct mthca_eq *eq)
+static inline struct mthca_eqe *next_eqe_sw(struct mthca_eq *eq)
{
- struct mthca_eqe* eqe;
+ struct mthca_eqe *eqe;
eqe = get_eqe(eq, eq->cons_index);
return (MTHCA_EQ_ENTRY_OWNER_HW & eqe->owner) ? NULL : eqe;
}
diff --git a/drivers/infiniband/hw/mthca/mthca_mad.c b/drivers/infiniband/hw/mthca/mthca_mad.c
index acfa41d..8b7e83e 100644
--- a/drivers/infiniband/hw/mthca/mthca_mad.c
+++ b/drivers/infiniband/hw/mthca/mthca_mad.c
@@ -125,7 +125,7 @@
event.device = ibdev;
event.element.port_num = port_num;
- if(pinfo->clientrereg_resv_subnetto & 0x80)
+ if (pinfo->clientrereg_resv_subnetto & 0x80)
event.event = IB_EVENT_CLIENT_REREGISTER;
else
event.event = IB_EVENT_LID_CHANGE;
diff --git a/drivers/infiniband/hw/mthca/mthca_main.c b/drivers/infiniband/hw/mthca/mthca_main.c
index cd3d8ad..9ebadd6 100644
--- a/drivers/infiniband/hw/mthca/mthca_main.c
+++ b/drivers/infiniband/hw/mthca/mthca_main.c
@@ -267,11 +267,16 @@
if (dev_lim->flags & DEV_LIM_FLAG_SRQ)
mdev->mthca_flags |= MTHCA_FLAG_SRQ;
+ if (mthca_is_memfree(mdev))
+ if (dev_lim->flags & DEV_LIM_FLAG_IPOIB_CSUM)
+ mdev->device_cap_flags |= IB_DEVICE_UD_IP_CSUM;
+
return 0;
}
static int mthca_init_tavor(struct mthca_dev *mdev)
{
+ s64 size;
u8 status;
int err;
struct mthca_dev_lim dev_lim;
@@ -324,9 +329,11 @@
if (mdev->mthca_flags & MTHCA_FLAG_SRQ)
profile.num_srq = dev_lim.max_srqs;
- err = mthca_make_profile(mdev, &profile, &dev_lim, &init_hca);
- if (err < 0)
+ size = mthca_make_profile(mdev, &profile, &dev_lim, &init_hca);
+ if (size < 0) {
+ err = size;
goto err_disable;
+ }
err = mthca_INIT_HCA(mdev, &init_hca, &status);
if (err) {
@@ -605,7 +612,7 @@
struct mthca_dev_lim dev_lim;
struct mthca_profile profile;
struct mthca_init_hca_param init_hca;
- u64 icm_size;
+ s64 icm_size;
u8 status;
int err;
@@ -653,7 +660,7 @@
profile.num_srq = dev_lim.max_srqs;
icm_size = mthca_make_profile(mdev, &profile, &dev_lim, &init_hca);
- if ((int) icm_size < 0) {
+ if (icm_size < 0) {
err = icm_size;
goto err_stop_fw;
}
diff --git a/drivers/infiniband/hw/mthca/mthca_memfree.c b/drivers/infiniband/hw/mthca/mthca_memfree.c
index 252db08..b224079 100644
--- a/drivers/infiniband/hw/mthca/mthca_memfree.c
+++ b/drivers/infiniband/hw/mthca/mthca_memfree.c
@@ -359,12 +359,14 @@
int use_lowmem, int use_coherent)
{
struct mthca_icm_table *table;
+ int obj_per_chunk;
int num_icm;
unsigned chunk_size;
int i;
u8 status;
- num_icm = (obj_size * nobj + MTHCA_TABLE_CHUNK_SIZE - 1) / MTHCA_TABLE_CHUNK_SIZE;
+ obj_per_chunk = MTHCA_TABLE_CHUNK_SIZE / obj_size;
+ num_icm = DIV_ROUND_UP(nobj, obj_per_chunk);
table = kmalloc(sizeof *table + num_icm * sizeof *table->icm, GFP_KERNEL);
if (!table)
@@ -412,7 +414,7 @@
if (table->icm[i]) {
mthca_UNMAP_ICM(dev, virt + i * MTHCA_TABLE_CHUNK_SIZE,
MTHCA_TABLE_CHUNK_SIZE / MTHCA_ICM_PAGE_SIZE,
- &status);
+ &status);
mthca_free_icm(dev, table->icm[i], table->coherent);
}
diff --git a/drivers/infiniband/hw/mthca/mthca_profile.c b/drivers/infiniband/hw/mthca/mthca_profile.c
index 26bf86d..605a8d5 100644
--- a/drivers/infiniband/hw/mthca/mthca_profile.c
+++ b/drivers/infiniband/hw/mthca/mthca_profile.c
@@ -63,7 +63,7 @@
MTHCA_NUM_PDS = 1 << 15
};
-u64 mthca_make_profile(struct mthca_dev *dev,
+s64 mthca_make_profile(struct mthca_dev *dev,
struct mthca_profile *request,
struct mthca_dev_lim *dev_lim,
struct mthca_init_hca_param *init_hca)
@@ -77,7 +77,7 @@
};
u64 mem_base, mem_avail;
- u64 total_size = 0;
+ s64 total_size = 0;
struct mthca_resource *profile;
struct mthca_resource tmp;
int i, j;
diff --git a/drivers/infiniband/hw/mthca/mthca_profile.h b/drivers/infiniband/hw/mthca/mthca_profile.h
index 9464180..e76cb62 100644
--- a/drivers/infiniband/hw/mthca/mthca_profile.h
+++ b/drivers/infiniband/hw/mthca/mthca_profile.h
@@ -53,7 +53,7 @@
int fmr_reserved_mtts;
};
-u64 mthca_make_profile(struct mthca_dev *mdev,
+s64 mthca_make_profile(struct mthca_dev *mdev,
struct mthca_profile *request,
struct mthca_dev_lim *dev_lim,
struct mthca_init_hca_param *init_hca);
diff --git a/drivers/infiniband/hw/mthca/mthca_provider.c b/drivers/infiniband/hw/mthca/mthca_provider.c
index 9e491df..81b257e 100644
--- a/drivers/infiniband/hw/mthca/mthca_provider.c
+++ b/drivers/infiniband/hw/mthca/mthca_provider.c
@@ -60,7 +60,7 @@
struct ib_smp *in_mad = NULL;
struct ib_smp *out_mad = NULL;
int err = -ENOMEM;
- struct mthca_dev* mdev = to_mdev(ibdev);
+ struct mthca_dev *mdev = to_mdev(ibdev);
u8 status;
@@ -540,6 +540,9 @@
struct mthca_qp *qp;
int err;
+ if (init_attr->create_flags)
+ return ERR_PTR(-EINVAL);
+
switch (init_attr->qp_type) {
case IB_QPT_RC:
case IB_QPT_UC:
diff --git a/drivers/infiniband/hw/mthca/mthca_qp.c b/drivers/infiniband/hw/mthca/mthca_qp.c
index db5595b..09dc361 100644
--- a/drivers/infiniband/hw/mthca/mthca_qp.c
+++ b/drivers/infiniband/hw/mthca/mthca_qp.c
@@ -437,29 +437,34 @@
int mthca_state;
u8 status;
+ mutex_lock(&qp->mutex);
+
if (qp->state == IB_QPS_RESET) {
qp_attr->qp_state = IB_QPS_RESET;
goto done;
}
mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL);
- if (IS_ERR(mailbox))
- return PTR_ERR(mailbox);
+ if (IS_ERR(mailbox)) {
+ err = PTR_ERR(mailbox);
+ goto out;
+ }
err = mthca_QUERY_QP(dev, qp->qpn, 0, mailbox, &status);
if (err)
- goto out;
+ goto out_mailbox;
if (status) {
mthca_warn(dev, "QUERY_QP returned status %02x\n", status);
err = -EINVAL;
- goto out;
+ goto out_mailbox;
}
qp_param = mailbox->buf;
context = &qp_param->context;
mthca_state = be32_to_cpu(context->flags) >> 28;
- qp_attr->qp_state = to_ib_qp_state(mthca_state);
+ qp->state = to_ib_qp_state(mthca_state);
+ qp_attr->qp_state = qp->state;
qp_attr->path_mtu = context->mtu_msgmax >> 5;
qp_attr->path_mig_state =
to_ib_mig_state((be32_to_cpu(context->flags) >> 11) & 0x3);
@@ -506,8 +511,11 @@
qp_init_attr->cap = qp_attr->cap;
-out:
+out_mailbox:
mthca_free_mailbox(dev, mailbox);
+
+out:
+ mutex_unlock(&qp->mutex);
return err;
}
@@ -1532,7 +1540,7 @@
case IB_WR_SEND_WITH_IMM:
sqp->ud_header.bth.opcode = IB_OPCODE_UD_SEND_ONLY_WITH_IMMEDIATE;
sqp->ud_header.immediate_present = 1;
- sqp->ud_header.immediate_data = wr->imm_data;
+ sqp->ud_header.immediate_data = wr->ex.imm_data;
break;
default:
return -EINVAL;
@@ -1679,7 +1687,7 @@
cpu_to_be32(1);
if (wr->opcode == IB_WR_SEND_WITH_IMM ||
wr->opcode == IB_WR_RDMA_WRITE_WITH_IMM)
- ((struct mthca_next_seg *) wqe)->imm = wr->imm_data;
+ ((struct mthca_next_seg *) wqe)->imm = wr->ex.imm_data;
wqe += sizeof (struct mthca_next_seg);
size = sizeof (struct mthca_next_seg) / 16;
@@ -2015,10 +2023,12 @@
cpu_to_be32(MTHCA_NEXT_CQ_UPDATE) : 0) |
((wr->send_flags & IB_SEND_SOLICITED) ?
cpu_to_be32(MTHCA_NEXT_SOLICIT) : 0) |
+ ((wr->send_flags & IB_SEND_IP_CSUM) ?
+ cpu_to_be32(MTHCA_NEXT_IP_CSUM | MTHCA_NEXT_TCP_UDP_CSUM) : 0) |
cpu_to_be32(1);
if (wr->opcode == IB_WR_SEND_WITH_IMM ||
wr->opcode == IB_WR_RDMA_WRITE_WITH_IMM)
- ((struct mthca_next_seg *) wqe)->imm = wr->imm_data;
+ ((struct mthca_next_seg *) wqe)->imm = wr->ex.imm_data;
wqe += sizeof (struct mthca_next_seg);
size = sizeof (struct mthca_next_seg) / 16;
diff --git a/drivers/infiniband/hw/mthca/mthca_wqe.h b/drivers/infiniband/hw/mthca/mthca_wqe.h
index f6a66fe..b3551a8 100644
--- a/drivers/infiniband/hw/mthca/mthca_wqe.h
+++ b/drivers/infiniband/hw/mthca/mthca_wqe.h
@@ -38,14 +38,16 @@
#include <linux/types.h>
enum {
- MTHCA_NEXT_DBD = 1 << 7,
- MTHCA_NEXT_FENCE = 1 << 6,
- MTHCA_NEXT_CQ_UPDATE = 1 << 3,
- MTHCA_NEXT_EVENT_GEN = 1 << 2,
- MTHCA_NEXT_SOLICIT = 1 << 1,
+ MTHCA_NEXT_DBD = 1 << 7,
+ MTHCA_NEXT_FENCE = 1 << 6,
+ MTHCA_NEXT_CQ_UPDATE = 1 << 3,
+ MTHCA_NEXT_EVENT_GEN = 1 << 2,
+ MTHCA_NEXT_SOLICIT = 1 << 1,
+ MTHCA_NEXT_IP_CSUM = 1 << 4,
+ MTHCA_NEXT_TCP_UDP_CSUM = 1 << 5,
- MTHCA_MLX_VL15 = 1 << 17,
- MTHCA_MLX_SLR = 1 << 16
+ MTHCA_MLX_VL15 = 1 << 17,
+ MTHCA_MLX_SLR = 1 << 16
};
enum {
diff --git a/drivers/infiniband/hw/nes/nes.c b/drivers/infiniband/hw/nes/nes.c
index b2112f5..b00b0e3 100644
--- a/drivers/infiniband/hw/nes/nes.c
+++ b/drivers/infiniband/hw/nes/nes.c
@@ -65,7 +65,6 @@
MODULE_VERSION(DRV_VERSION);
int max_mtu = 9000;
-int nics_per_function = 1;
int interrupt_mod_interval = 0;
@@ -93,15 +92,9 @@
MODULE_PARM_DESC(debug_level, "Enable debug output level");
LIST_HEAD(nes_adapter_list);
-LIST_HEAD(nes_dev_list);
+static LIST_HEAD(nes_dev_list);
atomic_t qps_destroyed;
-atomic_t cqp_reqs_allocated;
-atomic_t cqp_reqs_freed;
-atomic_t cqp_reqs_dynallocated;
-atomic_t cqp_reqs_dynfreed;
-atomic_t cqp_reqs_queued;
-atomic_t cqp_reqs_redriven;
static void nes_print_macaddr(struct net_device *netdev);
static irqreturn_t nes_interrupt(int, void *);
@@ -310,7 +303,7 @@
if (atomic_read(&nesqp->refcount) == 0) {
printk(KERN_INFO PFX "%s: Reference count already 0 for QP%d, last aeq = 0x%04X.\n",
- __FUNCTION__, ibqp->qp_num, nesqp->last_aeq);
+ __func__, ibqp->qp_num, nesqp->last_aeq);
BUG();
}
@@ -751,13 +744,13 @@
list_del(&nesdev->list);
nes_destroy_cqp(nesdev);
+
+ free_irq(pcidev->irq, nesdev);
tasklet_kill(&nesdev->dpc_tasklet);
/* Deallocate the Adapter Structure */
nes_destroy_adapter(nesdev->nesadapter);
- free_irq(pcidev->irq, nesdev);
-
if (nesdev->msi_enabled) {
pci_disable_msi(pcidev);
}
diff --git a/drivers/infiniband/hw/nes/nes.h b/drivers/infiniband/hw/nes/nes.h
index a48b288..1626124 100644
--- a/drivers/infiniband/hw/nes/nes.h
+++ b/drivers/infiniband/hw/nes/nes.h
@@ -143,12 +143,12 @@
#ifdef CONFIG_INFINIBAND_NES_DEBUG
#define nes_debug(level, fmt, args...) \
if (level & nes_debug_level) \
- printk(KERN_ERR PFX "%s[%u]: " fmt, __FUNCTION__, __LINE__, ##args)
+ printk(KERN_ERR PFX "%s[%u]: " fmt, __func__, __LINE__, ##args)
#define assert(expr) \
if (!(expr)) { \
printk(KERN_ERR PFX "Assertion failed! %s, %s, %s, line %d\n", \
- #expr, __FILE__, __FUNCTION__, __LINE__); \
+ #expr, __FILE__, __func__, __LINE__); \
}
#define NES_EVENT_TIMEOUT 1200000
@@ -166,7 +166,6 @@
#include "nes_cm.h"
extern int max_mtu;
-extern int nics_per_function;
#define max_frame_len (max_mtu+ETH_HLEN)
extern int interrupt_mod_interval;
extern int nes_if_count;
@@ -177,9 +176,6 @@
extern unsigned int nes_debug_level;
extern struct list_head nes_adapter_list;
-extern struct list_head nes_dev_list;
-
-extern struct nes_cm_core *g_cm_core;
extern atomic_t cm_connects;
extern atomic_t cm_accepts;
@@ -209,7 +205,6 @@
extern atomic_t cm_accel_dropped_pkts;
extern atomic_t cm_resets_recvd;
-extern u32 crit_err_count;
extern u32 int_mod_timer_init;
extern u32 int_mod_cq_depth_256;
extern u32 int_mod_cq_depth_128;
@@ -219,14 +214,6 @@
extern u32 int_mod_cq_depth_4;
extern u32 int_mod_cq_depth_1;
-extern atomic_t cqp_reqs_allocated;
-extern atomic_t cqp_reqs_freed;
-extern atomic_t cqp_reqs_dynallocated;
-extern atomic_t cqp_reqs_dynfreed;
-extern atomic_t cqp_reqs_queued;
-extern atomic_t cqp_reqs_redriven;
-
-
struct nes_device {
struct nes_adapter *nesadapter;
void __iomem *regs;
@@ -412,7 +399,7 @@
if (resource_num >= max_resources) {
resource_num = find_first_zero_bit(resource_array, max_resources);
if (resource_num >= max_resources) {
- printk(KERN_ERR PFX "%s: No available resourcess.\n", __FUNCTION__);
+ printk(KERN_ERR PFX "%s: No available resourcess.\n", __func__);
spin_unlock_irqrestore(&nesadapter->resource_lock, flags);
return -EMFILE;
}
@@ -510,9 +497,6 @@
/* nes_hw.c */
struct nes_adapter *nes_init_adapter(struct nes_device *, u8);
void nes_nic_init_timer_defaults(struct nes_device *, u8);
-unsigned int nes_reset_adapter_ne020(struct nes_device *, u8 *);
-int nes_init_serdes(struct nes_device *, u8, u8, u8);
-void nes_init_csr_ne020(struct nes_device *, u8, u8);
void nes_destroy_adapter(struct nes_adapter *);
int nes_init_cqp(struct nes_device *);
int nes_init_phy(struct nes_device *);
@@ -520,20 +504,12 @@
void nes_destroy_nic_qp(struct nes_vnic *);
int nes_napi_isr(struct nes_device *);
void nes_dpc(unsigned long);
-void nes_process_ceq(struct nes_device *, struct nes_hw_ceq *);
-void nes_process_aeq(struct nes_device *, struct nes_hw_aeq *);
-void nes_process_mac_intr(struct nes_device *, u32);
-void nes_nic_napi_ce_handler(struct nes_device *, struct nes_hw_nic_cq *);
void nes_nic_ce_handler(struct nes_device *, struct nes_hw_nic_cq *);
-void nes_cqp_ce_handler(struct nes_device *, struct nes_hw_cq *);
-void nes_process_iwarp_aeqe(struct nes_device *, struct nes_hw_aeqe *);
void nes_iwarp_ce_handler(struct nes_device *, struct nes_hw_cq *);
int nes_destroy_cqp(struct nes_device *);
int nes_nic_cm_xmit(struct sk_buff *, struct net_device *);
/* nes_nic.c */
-void nes_netdev_set_multicast_list(struct net_device *);
-void nes_netdev_exit(struct nes_vnic *);
struct net_device *nes_netdev_init(struct nes_device *, void __iomem *);
void nes_netdev_destroy(struct net_device *);
int nes_nic_cm_xmit(struct sk_buff *, struct net_device *);
@@ -544,7 +520,6 @@
void nes_update_arp(unsigned char *, u32, u32, u16, u16);
void nes_manage_arp_cache(struct net_device *, unsigned char *, u32, u32);
void nes_sock_release(struct nes_qp *, unsigned long *);
-struct nes_cm_core *nes_cm_alloc_core(void);
void flush_wqes(struct nes_device *nesdev, struct nes_qp *, u32, u32);
int nes_manage_apbvt(struct nes_vnic *, u32, u32, u32);
int nes_cm_disconn(struct nes_qp *);
@@ -556,7 +531,6 @@
struct nes_ib_device *nes_init_ofa_device(struct net_device *);
void nes_destroy_ofa_device(struct nes_ib_device *);
int nes_register_ofa_device(struct nes_ib_device *);
-void nes_unregister_ofa_device(struct nes_ib_device *);
/* nes_util.c */
int nes_read_eeprom_values(struct nes_device *, struct nes_adapter *);
diff --git a/drivers/infiniband/hw/nes/nes_cm.c b/drivers/infiniband/hw/nes/nes_cm.c
index 0bef878..d073862 100644
--- a/drivers/infiniband/hw/nes/nes_cm.c
+++ b/drivers/infiniband/hw/nes/nes_cm.c
@@ -80,7 +80,30 @@
static int add_ref_cm_node(struct nes_cm_node *);
static int rem_ref_cm_node(struct nes_cm_core *, struct nes_cm_node *);
static int mini_cm_del_listen(struct nes_cm_core *, struct nes_cm_listener *);
+static struct sk_buff *form_cm_frame(struct sk_buff *, struct nes_cm_node *,
+ void *, u32, void *, u32, u8);
+static struct sk_buff *get_free_pkt(struct nes_cm_node *cm_node);
+static struct nes_cm_node *mini_cm_connect(struct nes_cm_core *,
+ struct nes_vnic *,
+ struct ietf_mpa_frame *,
+ struct nes_cm_info *);
+static int mini_cm_accept(struct nes_cm_core *, struct ietf_mpa_frame *,
+ struct nes_cm_node *);
+static int mini_cm_reject(struct nes_cm_core *, struct ietf_mpa_frame *,
+ struct nes_cm_node *);
+static int mini_cm_close(struct nes_cm_core *, struct nes_cm_node *);
+static int mini_cm_recv_pkt(struct nes_cm_core *, struct nes_vnic *,
+ struct sk_buff *);
+static int mini_cm_dealloc_core(struct nes_cm_core *);
+static int mini_cm_get(struct nes_cm_core *);
+static int mini_cm_set(struct nes_cm_core *, u32, u32);
+static int nes_cm_disconn_true(struct nes_qp *);
+static int nes_cm_post_event(struct nes_cm_event *event);
+static int nes_disconnect(struct nes_qp *nesqp, int abrupt);
+static void nes_disconnect_worker(struct work_struct *work);
+static int send_ack(struct nes_cm_node *cm_node);
+static int send_fin(struct nes_cm_node *cm_node, struct sk_buff *skb);
/* External CM API Interface */
/* instance of function pointers for client API */
@@ -99,7 +122,7 @@
mini_cm_set
};
-struct nes_cm_core *g_cm_core;
+static struct nes_cm_core *g_cm_core;
atomic_t cm_connects;
atomic_t cm_accepts;
@@ -149,7 +172,7 @@
/**
* send_mpa_request
*/
-int send_mpa_request(struct nes_cm_node *cm_node)
+static int send_mpa_request(struct nes_cm_node *cm_node)
{
struct sk_buff *skb;
int ret;
@@ -243,8 +266,9 @@
* form_cm_frame - get a free packet and build empty frame Use
* node info to build.
*/
-struct sk_buff *form_cm_frame(struct sk_buff *skb, struct nes_cm_node *cm_node,
- void *options, u32 optionsize, void *data, u32 datasize, u8 flags)
+static struct sk_buff *form_cm_frame(struct sk_buff *skb, struct nes_cm_node *cm_node,
+ void *options, u32 optionsize, void *data,
+ u32 datasize, u8 flags)
{
struct tcphdr *tcph;
struct iphdr *iph;
@@ -342,7 +366,6 @@
if (!core)
return;
nes_debug(NES_DBG_CM, "---------------------------------------------\n");
- nes_debug(NES_DBG_CM, "Session ID : %u \n", atomic_read(&core->session_id));
nes_debug(NES_DBG_CM, "State : %u \n", core->state);
@@ -395,7 +418,7 @@
}
if (type == NES_TIMER_TYPE_SEND) {
- new_send->seq_num = htonl(tcp_hdr(skb)->seq);
+ new_send->seq_num = ntohl(tcp_hdr(skb)->seq);
atomic_inc(&new_send->skb->users);
ret = nes_nic_cm_xmit(new_send->skb, cm_node->netdev);
@@ -420,7 +443,7 @@
spin_unlock_irqrestore(&cm_node->retrans_list_lock, flags);
}
if (type == NES_TIMER_TYPE_RECV) {
- new_send->seq_num = htonl(tcp_hdr(skb)->seq);
+ new_send->seq_num = ntohl(tcp_hdr(skb)->seq);
new_send->timetosend = jiffies;
spin_lock_irqsave(&cm_node->recv_list_lock, flags);
list_add_tail(&new_send->list, &cm_node->recv_list);
@@ -442,7 +465,7 @@
/**
* nes_cm_timer_tick
*/
-void nes_cm_timer_tick(unsigned long pass)
+static void nes_cm_timer_tick(unsigned long pass)
{
unsigned long flags, qplockflags;
unsigned long nexttimeout = jiffies + NES_LONG_TIME;
@@ -644,7 +667,7 @@
/**
* send_syn
*/
-int send_syn(struct nes_cm_node *cm_node, u32 sendack)
+static int send_syn(struct nes_cm_node *cm_node, u32 sendack)
{
int ret;
int flags = SET_SYN;
@@ -710,7 +733,7 @@
/**
* send_reset
*/
-int send_reset(struct nes_cm_node *cm_node)
+static int send_reset(struct nes_cm_node *cm_node)
{
int ret;
struct sk_buff *skb = get_free_pkt(cm_node);
@@ -732,7 +755,7 @@
/**
* send_ack
*/
-int send_ack(struct nes_cm_node *cm_node)
+static int send_ack(struct nes_cm_node *cm_node)
{
int ret;
struct sk_buff *skb = get_free_pkt(cm_node);
@@ -752,7 +775,7 @@
/**
* send_fin
*/
-int send_fin(struct nes_cm_node *cm_node, struct sk_buff *skb)
+static int send_fin(struct nes_cm_node *cm_node, struct sk_buff *skb)
{
int ret;
@@ -775,7 +798,7 @@
/**
* get_free_pkt
*/
-struct sk_buff *get_free_pkt(struct nes_cm_node *cm_node)
+static struct sk_buff *get_free_pkt(struct nes_cm_node *cm_node)
{
struct sk_buff *skb, *new_skb;
@@ -820,7 +843,6 @@
{
unsigned long flags;
u32 hashkey;
- struct list_head *list_pos;
struct list_head *hte;
struct nes_cm_node *cm_node;
@@ -835,8 +857,7 @@
/* walk list and find cm_node associated with this session ID */
spin_lock_irqsave(&cm_core->ht_lock, flags);
- list_for_each(list_pos, hte) {
- cm_node = container_of(list_pos, struct nes_cm_node, list);
+ list_for_each_entry(cm_node, hte, list) {
/* compare quad, return node handle if a match */
nes_debug(NES_DBG_CM, "finding node %x:%x =? %x:%x ^ %x:%x =? %x:%x\n",
cm_node->loc_addr, cm_node->loc_port,
@@ -864,13 +885,11 @@
nes_addr_t dst_addr, u16 dst_port, enum nes_cm_listener_state listener_state)
{
unsigned long flags;
- struct list_head *listen_list;
struct nes_cm_listener *listen_node;
/* walk list and find cm_node associated with this session ID */
spin_lock_irqsave(&cm_core->listen_list_lock, flags);
- list_for_each(listen_list, &cm_core->listen_list.list) {
- listen_node = container_of(listen_list, struct nes_cm_listener, list);
+ list_for_each_entry(listen_node, &cm_core->listen_list.list, list) {
/* compare node pair, return node handle if a match */
if (((listen_node->loc_addr == dst_addr) ||
listen_node->loc_addr == 0x00000000) &&
@@ -1014,7 +1033,7 @@
fl.nl_u.ip4_u.daddr = htonl(dst_ip);
if (ip_route_output_key(&init_net, &rt, &fl)) {
printk("%s: ip_route_output_key failed for 0x%08X\n",
- __FUNCTION__, dst_ip);
+ __func__, dst_ip);
return;
}
@@ -1077,8 +1096,6 @@
cm_node->tcp_cntxt.rcv_nxt = 0;
/* get a unique session ID , add thread_id to an upcounter to handle race */
atomic_inc(&cm_core->node_cnt);
- atomic_inc(&cm_core->session_id);
- cm_node->session_id = (u32)(atomic_read(&cm_core->session_id) + current->tgid);
cm_node->conn_type = cm_info->conn_type;
cm_node->apbvt_set = 0;
cm_node->accept_pend = 0;
@@ -1239,7 +1256,7 @@
continue;
case OPTION_NUMBER_MSS:
nes_debug(NES_DBG_CM, "%s: MSS Length: %d Offset: %d Size: %d\n",
- __FUNCTION__,
+ __func__,
all_options->as_mss.length, offset, optionsize);
got_mss_option = 1;
if (all_options->as_mss.length != 4) {
@@ -1272,8 +1289,8 @@
/**
* process_packet
*/
-int process_packet(struct nes_cm_node *cm_node, struct sk_buff *skb,
- struct nes_cm_core *cm_core)
+static int process_packet(struct nes_cm_node *cm_node, struct sk_buff *skb,
+ struct nes_cm_core *cm_core)
{
int optionsize;
int datasize;
@@ -1360,7 +1377,7 @@
if (optionsize) {
u8 *optionsloc = (u8 *)&tcph[1];
if (process_options(cm_node, optionsloc, optionsize, (u32)tcph->syn)) {
- nes_debug(NES_DBG_CM, "%s: Node %p, Sending RESET\n", __FUNCTION__, cm_node);
+ nes_debug(NES_DBG_CM, "%s: Node %p, Sending RESET\n", __func__, cm_node);
send_reset(cm_node);
if (cm_node->state != NES_CM_STATE_SYN_SENT)
rem_ref_cm_node(cm_core, cm_node);
@@ -1605,9 +1622,7 @@
listener->cm_core = cm_core;
listener->nesvnic = nesvnic;
atomic_inc(&cm_core->node_cnt);
- atomic_inc(&cm_core->session_id);
- listener->session_id = (u32)(atomic_read(&cm_core->session_id) + current->tgid);
listener->conn_type = cm_info->conn_type;
listener->backlog = cm_info->backlog;
listener->listener_state = NES_CM_LISTENER_ACTIVE_STATE;
@@ -1631,9 +1646,10 @@
/**
* mini_cm_connect - make a connection node with params
*/
-struct nes_cm_node *mini_cm_connect(struct nes_cm_core *cm_core,
- struct nes_vnic *nesvnic, struct ietf_mpa_frame *mpa_frame,
- struct nes_cm_info *cm_info)
+static struct nes_cm_node *mini_cm_connect(struct nes_cm_core *cm_core,
+ struct nes_vnic *nesvnic,
+ struct ietf_mpa_frame *mpa_frame,
+ struct nes_cm_info *cm_info)
{
int ret = 0;
struct nes_cm_node *cm_node;
@@ -1717,8 +1733,8 @@
* mini_cm_accept - accept a connection
* This function is never called
*/
-int mini_cm_accept(struct nes_cm_core *cm_core, struct ietf_mpa_frame *mpa_frame,
- struct nes_cm_node *cm_node)
+static int mini_cm_accept(struct nes_cm_core *cm_core, struct ietf_mpa_frame *mpa_frame,
+ struct nes_cm_node *cm_node)
{
return 0;
}
@@ -1727,9 +1743,9 @@
/**
* mini_cm_reject - reject and teardown a connection
*/
-int mini_cm_reject(struct nes_cm_core *cm_core,
- struct ietf_mpa_frame *mpa_frame,
- struct nes_cm_node *cm_node)
+static int mini_cm_reject(struct nes_cm_core *cm_core,
+ struct ietf_mpa_frame *mpa_frame,
+ struct nes_cm_node *cm_node)
{
int ret = 0;
struct sk_buff *skb;
@@ -1761,7 +1777,7 @@
/**
* mini_cm_close
*/
-int mini_cm_close(struct nes_cm_core *cm_core, struct nes_cm_node *cm_node)
+static int mini_cm_close(struct nes_cm_core *cm_core, struct nes_cm_node *cm_node)
{
int ret = 0;
@@ -1808,8 +1824,8 @@
* recv_pkt - recv an ETHERNET packet, and process it through CM
* node state machine
*/
-int mini_cm_recv_pkt(struct nes_cm_core *cm_core, struct nes_vnic *nesvnic,
- struct sk_buff *skb)
+static int mini_cm_recv_pkt(struct nes_cm_core *cm_core, struct nes_vnic *nesvnic,
+ struct sk_buff *skb)
{
struct nes_cm_node *cm_node = NULL;
struct nes_cm_listener *listener = NULL;
@@ -1898,7 +1914,7 @@
/**
* nes_cm_alloc_core - allocate a top level instance of a cm core
*/
-struct nes_cm_core *nes_cm_alloc_core(void)
+static struct nes_cm_core *nes_cm_alloc_core(void)
{
int i;
@@ -1919,7 +1935,6 @@
cm_core->state = NES_CM_STATE_INITED;
cm_core->free_tx_pkt_max = NES_CM_DEFAULT_FREE_PKTS;
- atomic_set(&cm_core->session_id, 0);
atomic_set(&cm_core->events_posted, 0);
/* init the packet lists */
@@ -1958,7 +1973,7 @@
/**
* mini_cm_dealloc_core - deallocate a top level instance of a cm core
*/
-int mini_cm_dealloc_core(struct nes_cm_core *cm_core)
+static int mini_cm_dealloc_core(struct nes_cm_core *cm_core)
{
nes_debug(NES_DBG_CM, "De-Alloc CM Core (%p)\n", cm_core);
@@ -1983,7 +1998,7 @@
/**
* mini_cm_get
*/
-int mini_cm_get(struct nes_cm_core *cm_core)
+static int mini_cm_get(struct nes_cm_core *cm_core)
{
return cm_core->state;
}
@@ -1992,7 +2007,7 @@
/**
* mini_cm_set
*/
-int mini_cm_set(struct nes_cm_core *cm_core, u32 type, u32 value)
+static int mini_cm_set(struct nes_cm_core *cm_core, u32 type, u32 value)
{
int ret = 0;
@@ -2109,7 +2124,7 @@
/**
* nes_disconnect_worker
*/
-void nes_disconnect_worker(struct work_struct *work)
+static void nes_disconnect_worker(struct work_struct *work)
{
struct nes_qp *nesqp = container_of(work, struct nes_qp, disconn_work);
@@ -2122,7 +2137,7 @@
/**
* nes_cm_disconn_true
*/
-int nes_cm_disconn_true(struct nes_qp *nesqp)
+static int nes_cm_disconn_true(struct nes_qp *nesqp)
{
unsigned long flags;
int ret = 0;
@@ -2265,7 +2280,7 @@
/**
* nes_disconnect
*/
-int nes_disconnect(struct nes_qp *nesqp, int abrupt)
+static int nes_disconnect(struct nes_qp *nesqp, int abrupt)
{
int ret = 0;
struct nes_vnic *nesvnic;
@@ -2482,7 +2497,7 @@
}
if (ret)
printk("%s[%u] OFA CM event_handler returned, ret=%d\n",
- __FUNCTION__, __LINE__, ret);
+ __func__, __LINE__, ret);
return 0;
}
@@ -2650,7 +2665,7 @@
cm_node = g_cm_core->api->listen(g_cm_core, nesvnic, &cm_info);
if (!cm_node) {
printk("%s[%u] Error returned from listen API call\n",
- __FUNCTION__, __LINE__);
+ __func__, __LINE__);
return -ENOMEM;
}
@@ -2740,7 +2755,7 @@
* cm_event_connected
* handle a connected event, setup QPs and HW
*/
-void cm_event_connected(struct nes_cm_event *event)
+static void cm_event_connected(struct nes_cm_event *event)
{
u64 u64temp;
struct nes_qp *nesqp;
@@ -2864,7 +2879,7 @@
if (ret)
printk("%s[%u] OFA CM event_handler returned, ret=%d\n",
- __FUNCTION__, __LINE__, ret);
+ __func__, __LINE__, ret);
nes_debug(NES_DBG_CM, "Exiting connect thread for QP%u. jiffies = %lu\n",
nesqp->hwqp.qp_id, jiffies );
@@ -2877,7 +2892,7 @@
/**
* cm_event_connect_error
*/
-void cm_event_connect_error(struct nes_cm_event *event)
+static void cm_event_connect_error(struct nes_cm_event *event)
{
struct nes_qp *nesqp;
struct iw_cm_id *cm_id;
@@ -2919,7 +2934,7 @@
nes_debug(NES_DBG_CM, "OFA CM event_handler returned, ret=%d\n", ret);
if (ret)
printk("%s[%u] OFA CM event_handler returned, ret=%d\n",
- __FUNCTION__, __LINE__, ret);
+ __func__, __LINE__, ret);
nes_rem_ref(&nesqp->ibqp);
cm_id->rem_ref(cm_id);
@@ -2930,7 +2945,7 @@
/**
* cm_event_reset
*/
-void cm_event_reset(struct nes_cm_event *event)
+static void cm_event_reset(struct nes_cm_event *event)
{
struct nes_qp *nesqp;
struct iw_cm_id *cm_id;
@@ -2973,7 +2988,7 @@
/**
* cm_event_mpa_req
*/
-void cm_event_mpa_req(struct nes_cm_event *event)
+static void cm_event_mpa_req(struct nes_cm_event *event)
{
struct iw_cm_id *cm_id;
struct iw_cm_event cm_event;
@@ -3007,7 +3022,7 @@
ret = cm_id->event_handler(cm_id, &cm_event);
if (ret)
printk("%s[%u] OFA CM event_handler returned, ret=%d\n",
- __FUNCTION__, __LINE__, ret);
+ __func__, __LINE__, ret);
return;
}
@@ -3019,7 +3034,7 @@
* nes_cm_post_event
* post an event to the cm event handler
*/
-int nes_cm_post_event(struct nes_cm_event *event)
+static int nes_cm_post_event(struct nes_cm_event *event)
{
atomic_inc(&event->cm_node->cm_core->events_posted);
add_ref_cm_node(event->cm_node);
diff --git a/drivers/infiniband/hw/nes/nes_cm.h b/drivers/infiniband/hw/nes/nes_cm.h
index a59f0a7..7717cb2 100644
--- a/drivers/infiniband/hw/nes/nes_cm.h
+++ b/drivers/infiniband/hw/nes/nes_cm.h
@@ -225,7 +225,6 @@
struct nes_cm_listener {
struct list_head list;
- u64 session_id;
struct nes_cm_core *cm_core;
u8 loc_mac[ETH_ALEN];
nes_addr_t loc_addr;
@@ -242,7 +241,6 @@
/* per connection node and node state information */
struct nes_cm_node {
- u64 session_id;
u32 hashkey;
nes_addr_t loc_addr, rem_addr;
@@ -327,7 +325,6 @@
struct nes_cm_core {
enum nes_cm_node_state state;
- atomic_t session_id;
atomic_t listen_node_cnt;
struct nes_cm_node listen_list;
@@ -383,35 +380,10 @@
int (*set)(struct nes_cm_core *, u32, u32);
};
-
-int send_mpa_request(struct nes_cm_node *);
-struct sk_buff *form_cm_frame(struct sk_buff *, struct nes_cm_node *,
- void *, u32, void *, u32, u8);
int schedule_nes_timer(struct nes_cm_node *, struct sk_buff *,
enum nes_timer_type, int, int);
-void nes_cm_timer_tick(unsigned long);
-int send_syn(struct nes_cm_node *, u32);
-int send_reset(struct nes_cm_node *);
-int send_ack(struct nes_cm_node *);
-int send_fin(struct nes_cm_node *, struct sk_buff *);
-struct sk_buff *get_free_pkt(struct nes_cm_node *);
-int process_packet(struct nes_cm_node *, struct sk_buff *, struct nes_cm_core *);
-
-struct nes_cm_node * mini_cm_connect(struct nes_cm_core *,
- struct nes_vnic *, struct ietf_mpa_frame *, struct nes_cm_info *);
-int mini_cm_accept(struct nes_cm_core *, struct ietf_mpa_frame *, struct nes_cm_node *);
-int mini_cm_reject(struct nes_cm_core *, struct ietf_mpa_frame *, struct nes_cm_node *);
-int mini_cm_close(struct nes_cm_core *, struct nes_cm_node *);
-int mini_cm_recv_pkt(struct nes_cm_core *, struct nes_vnic *, struct sk_buff *);
-struct nes_cm_core *mini_cm_alloc_core(struct nes_cm_info *);
-int mini_cm_dealloc_core(struct nes_cm_core *);
-int mini_cm_get(struct nes_cm_core *);
-int mini_cm_set(struct nes_cm_core *, u32, u32);
int nes_cm_disconn(struct nes_qp *);
-void nes_disconnect_worker(struct work_struct *);
-int nes_cm_disconn_true(struct nes_qp *);
-int nes_disconnect(struct nes_qp *, int);
int nes_accept(struct iw_cm_id *, struct iw_cm_conn_param *);
int nes_reject(struct iw_cm_id *, const void *, u8);
@@ -423,11 +395,4 @@
int nes_cm_start(void);
int nes_cm_stop(void);
-/* CM event handler functions */
-void cm_event_connected(struct nes_cm_event *);
-void cm_event_connect_error(struct nes_cm_event *);
-void cm_event_reset(struct nes_cm_event *);
-void cm_event_mpa_req(struct nes_cm_event *);
-int nes_cm_post_event(struct nes_cm_event *);
-
#endif /* NES_CM_H */
diff --git a/drivers/infiniband/hw/nes/nes_hw.c b/drivers/infiniband/hw/nes/nes_hw.c
index 49e53e4..aa53aab 100644
--- a/drivers/infiniband/hw/nes/nes_hw.c
+++ b/drivers/infiniband/hw/nes/nes_hw.c
@@ -41,7 +41,7 @@
#include "nes.h"
-u32 crit_err_count = 0;
+static u32 crit_err_count;
u32 int_mod_timer_init;
u32 int_mod_cq_depth_256;
u32 int_mod_cq_depth_128;
@@ -53,6 +53,17 @@
#include "nes_cm.h"
+static void nes_cqp_ce_handler(struct nes_device *nesdev, struct nes_hw_cq *cq);
+static void nes_init_csr_ne020(struct nes_device *nesdev, u8 hw_rev, u8 port_count);
+static int nes_init_serdes(struct nes_device *nesdev, u8 hw_rev, u8 port_count,
+ u8 OneG_Mode);
+static void nes_nic_napi_ce_handler(struct nes_device *nesdev, struct nes_hw_nic_cq *cq);
+static void nes_process_aeq(struct nes_device *nesdev, struct nes_hw_aeq *aeq);
+static void nes_process_ceq(struct nes_device *nesdev, struct nes_hw_ceq *ceq);
+static void nes_process_iwarp_aeqe(struct nes_device *nesdev,
+ struct nes_hw_aeqe *aeqe);
+static void nes_process_mac_intr(struct nes_device *nesdev, u32 mac_number);
+static unsigned int nes_reset_adapter_ne020(struct nes_device *nesdev, u8 *OneG_Mode);
#ifdef CONFIG_INFINIBAND_NES_DEBUG
static unsigned char *nes_iwarp_state_str[] = {
@@ -370,7 +381,7 @@
nesadapter->et_use_adaptive_rx_coalesce = 1;
nesadapter->timer_int_limit = NES_TIMER_INT_LIMIT_DYNAMIC;
nesadapter->et_rx_coalesce_usecs_irq = 0;
- printk(PFX "%s: Using Adaptive Interrupt Moderation\n", __FUNCTION__);
+ printk(PFX "%s: Using Adaptive Interrupt Moderation\n", __func__);
}
/* Setup and enable the periodic timer */
if (nesadapter->et_rx_coalesce_usecs_irq)
@@ -382,7 +393,7 @@
nesadapter->base_pd = 1;
nesadapter->device_cap_flags =
- IB_DEVICE_ZERO_STAG | IB_DEVICE_SEND_W_INV | IB_DEVICE_MEM_WINDOW;
+ IB_DEVICE_ZERO_STAG | IB_DEVICE_MEM_WINDOW;
nesadapter->allocated_qps = (unsigned long *)&(((unsigned char *)nesadapter)
[(sizeof(struct nes_adapter)+(sizeof(unsigned long)-1))&(~(sizeof(unsigned long)-1))]);
@@ -572,7 +583,7 @@
if (vendor_id == 0xffff)
break;
}
- nes_debug(NES_DBG_INIT, "%s %d functions found for %s.\n", __FUNCTION__,
+ nes_debug(NES_DBG_INIT, "%s %d functions found for %s.\n", __func__,
func_index, pci_name(nesdev->pcidev));
nesadapter->adapter_fcn_count = func_index;
@@ -583,7 +594,7 @@
/**
* nes_reset_adapter_ne020
*/
-unsigned int nes_reset_adapter_ne020(struct nes_device *nesdev, u8 *OneG_Mode)
+static unsigned int nes_reset_adapter_ne020(struct nes_device *nesdev, u8 *OneG_Mode)
{
u32 port_count;
u32 u32temp;
@@ -691,7 +702,8 @@
/**
* nes_init_serdes
*/
-int nes_init_serdes(struct nes_device *nesdev, u8 hw_rev, u8 port_count, u8 OneG_Mode)
+static int nes_init_serdes(struct nes_device *nesdev, u8 hw_rev, u8 port_count,
+ u8 OneG_Mode)
{
int i;
u32 u32temp;
@@ -739,7 +751,7 @@
& 0x0000000f)) != 0x0000000f) && (i++ < 5000))
mdelay(1);
if (i >= 5000) {
- printk("%s: Init: serdes 1 not ready, status=%x\n", __FUNCTION__, u32temp);
+ printk("%s: Init: serdes 1 not ready, status=%x\n", __func__, u32temp);
/* return 1; */
}
nes_write_indexed(nesdev, NES_IDX_ETH_SERDES_TX_EMP1, 0x000bdef7);
@@ -760,7 +772,7 @@
* nes_init_csr_ne020
* Initialize registers for ne020 hardware
*/
-void nes_init_csr_ne020(struct nes_device *nesdev, u8 hw_rev, u8 port_count)
+static void nes_init_csr_ne020(struct nes_device *nesdev, u8 hw_rev, u8 port_count)
{
u32 u32temp;
@@ -1204,7 +1216,7 @@
if (nesadapter->OneG_Mode) {
nes_debug(NES_DBG_PHY, "1G PHY, mac_index = %d.\n", mac_index);
if (nesadapter->phy_type[mac_index] == NES_PHY_TYPE_1G) {
- printk(PFX "%s: Programming mdc config for 1G\n", __FUNCTION__);
+ printk(PFX "%s: Programming mdc config for 1G\n", __func__);
tx_config = nes_read_indexed(nesdev, NES_IDX_MAC_TX_CONFIG);
tx_config |= 0x04;
nes_write_indexed(nesdev, NES_IDX_MAC_TX_CONFIG, tx_config);
@@ -1358,7 +1370,7 @@
static void nes_rq_wqes_timeout(unsigned long parm)
{
struct nes_vnic *nesvnic = (struct nes_vnic *)parm;
- printk("%s: Timer fired.\n", __FUNCTION__);
+ printk("%s: Timer fired.\n", __func__);
atomic_set(&nesvnic->rx_skb_timer_running, 0);
if (atomic_read(&nesvnic->rx_skbs_needed))
nes_replenish_nic_rq(nesvnic);
@@ -1909,7 +1921,7 @@
/**
* nes_process_ceq
*/
-void nes_process_ceq(struct nes_device *nesdev, struct nes_hw_ceq *ceq)
+static void nes_process_ceq(struct nes_device *nesdev, struct nes_hw_ceq *ceq)
{
u64 u64temp;
struct nes_hw_cq *cq;
@@ -1949,7 +1961,7 @@
/**
* nes_process_aeq
*/
-void nes_process_aeq(struct nes_device *nesdev, struct nes_hw_aeq *aeq)
+static void nes_process_aeq(struct nes_device *nesdev, struct nes_hw_aeq *aeq)
{
// u64 u64temp;
u32 head;
@@ -2060,7 +2072,7 @@
/**
* nes_process_mac_intr
*/
-void nes_process_mac_intr(struct nes_device *nesdev, u32 mac_number)
+static void nes_process_mac_intr(struct nes_device *nesdev, u32 mac_number)
{
unsigned long flags;
u32 pcs_control_status;
@@ -2163,7 +2175,7 @@
temp_phy_data = phy_data;
} while (1);
nes_debug(NES_DBG_PHY, "%s: Phy data = 0x%04X, link was %s.\n",
- __FUNCTION__, phy_data, nesadapter->mac_link_down ? "DOWN" : "UP");
+ __func__, phy_data, nesadapter->mac_link_down ? "DOWN" : "UP");
} else {
phy_data = (0x0f0f0000 == (pcs_control_status & 0x0f1f0000)) ? 4 : 0;
@@ -2205,7 +2217,7 @@
-void nes_nic_napi_ce_handler(struct nes_device *nesdev, struct nes_hw_nic_cq *cq)
+static void nes_nic_napi_ce_handler(struct nes_device *nesdev, struct nes_hw_nic_cq *cq)
{
struct nes_vnic *nesvnic = container_of(cq, struct nes_vnic, nic_cq);
@@ -2428,7 +2440,7 @@
/**
* nes_cqp_ce_handler
*/
-void nes_cqp_ce_handler(struct nes_device *nesdev, struct nes_hw_cq *cq)
+static void nes_cqp_ce_handler(struct nes_device *nesdev, struct nes_hw_cq *cq)
{
u64 u64temp;
unsigned long flags;
@@ -2567,7 +2579,8 @@
/**
* nes_process_iwarp_aeqe
*/
-void nes_process_iwarp_aeqe(struct nes_device *nesdev, struct nes_hw_aeqe *aeqe)
+static void nes_process_iwarp_aeqe(struct nes_device *nesdev,
+ struct nes_hw_aeqe *aeqe)
{
u64 context;
u64 aeqe_context = 0;
@@ -2819,7 +2832,7 @@
le32_to_cpu(aeqe->aeqe_words[NES_AEQE_COMP_QP_CQ_ID_IDX]));
if (resource_allocated) {
printk(KERN_ERR PFX "%s: Processing an NES_AEQE_AEID_CQ_OPERATION_ERROR event on CQ%u\n",
- __FUNCTION__, le32_to_cpu(aeqe->aeqe_words[NES_AEQE_COMP_QP_CQ_ID_IDX]));
+ __func__, le32_to_cpu(aeqe->aeqe_words[NES_AEQE_COMP_QP_CQ_ID_IDX]));
}
break;
case NES_AEQE_AEID_DDP_UBE_DDP_MESSAGE_TOO_LONG_FOR_AVAILABLE_BUFFER:
diff --git a/drivers/infiniband/hw/nes/nes_nic.c b/drivers/infiniband/hw/nes/nes_nic.c
index eee77da..34166641 100644
--- a/drivers/infiniband/hw/nes/nes_nic.c
+++ b/drivers/infiniband/hw/nes/nes_nic.c
@@ -802,7 +802,7 @@
memcpy(netdev->dev_addr, mac_addr->sa_data, netdev->addr_len);
printk(PFX "%s: Address length = %d, Address = %02X%02X%02X%02X%02X%02X..\n",
- __FUNCTION__, netdev->addr_len,
+ __func__, netdev->addr_len,
mac_addr->sa_data[0], mac_addr->sa_data[1],
mac_addr->sa_data[2], mac_addr->sa_data[3],
mac_addr->sa_data[4], mac_addr->sa_data[5]);
@@ -832,7 +832,7 @@
/**
* nes_netdev_set_multicast_list
*/
-void nes_netdev_set_multicast_list(struct net_device *netdev)
+static void nes_netdev_set_multicast_list(struct net_device *netdev)
{
struct nes_vnic *nesvnic = netdev_priv(netdev);
struct nes_device *nesdev = nesvnic->nesdev;
@@ -947,28 +947,6 @@
return ret;
}
-
-/**
- * nes_netdev_exit - destroy network device
- */
-void nes_netdev_exit(struct nes_vnic *nesvnic)
-{
- struct net_device *netdev = nesvnic->netdev;
- struct nes_ib_device *nesibdev = nesvnic->nesibdev;
-
- nes_debug(NES_DBG_SHUTDOWN, "\n");
-
- // destroy the ibdevice if RDMA enabled
- if ((nesvnic->rdma_enabled)&&(nesvnic->of_device_registered)) {
- nes_destroy_ofa_device( nesibdev );
- nesvnic->of_device_registered = 0;
- nesvnic->nesibdev = NULL;
- }
- unregister_netdev(netdev);
- nes_debug(NES_DBG_SHUTDOWN, "\n");
-}
-
-
#define NES_ETHTOOL_STAT_COUNT 55
static const char nes_ethtool_stringset[NES_ETHTOOL_STAT_COUNT][ETH_GSTRING_LEN] = {
"Link Change Interrupts",
diff --git a/drivers/infiniband/hw/nes/nes_utils.c b/drivers/infiniband/hw/nes/nes_utils.c
index c4ec6ac..f9db07c 100644
--- a/drivers/infiniband/hw/nes/nes_utils.c
+++ b/drivers/infiniband/hw/nes/nes_utils.c
@@ -566,7 +566,7 @@
cqp_request);
} else
printk(KERN_ERR PFX "%s: Could not allocated a CQP request.\n",
- __FUNCTION__);
+ __func__);
return cqp_request;
}
diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c
index a651e9d..7c27420 100644
--- a/drivers/infiniband/hw/nes/nes_verbs.c
+++ b/drivers/infiniband/hw/nes/nes_verbs.c
@@ -49,6 +49,7 @@
atomic_t qps_created;
atomic_t sw_qps_destroyed;
+static void nes_unregister_ofa_device(struct nes_ib_device *nesibdev);
/**
* nes_alloc_mw
@@ -1043,10 +1044,10 @@
u8 sq_pbl_entries;
pbl_entries = nespbl->pbl_size >> 3;
- nes_debug(NES_DBG_QP, "Userspace PBL, pbl_size=%u, pbl_entries = %d pbl_vbase=%p, pbl_pbase=%p\n",
+ nes_debug(NES_DBG_QP, "Userspace PBL, pbl_size=%u, pbl_entries = %d pbl_vbase=%p, pbl_pbase=%lx\n",
nespbl->pbl_size, pbl_entries,
(void *)nespbl->pbl_vbase,
- (void *)nespbl->pbl_pbase);
+ (unsigned long) nespbl->pbl_pbase);
pbl = (__le64 *) nespbl->pbl_vbase; /* points to first pbl entry */
/* now lets set the sq_vbase as well as rq_vbase addrs we will assign */
/* the first pbl to be fro the rq_vbase... */
@@ -1074,9 +1075,9 @@
/* nesqp->hwqp.rq_vbase = bus_to_virt(*pbl); */
/*nesqp->hwqp.rq_vbase = phys_to_virt(*pbl); */
- nes_debug(NES_DBG_QP, "QP sq_vbase= %p sq_pbase=%p rq_vbase=%p rq_pbase=%p\n",
- nesqp->hwqp.sq_vbase, (void *)nesqp->hwqp.sq_pbase,
- nesqp->hwqp.rq_vbase, (void *)nesqp->hwqp.rq_pbase);
+ nes_debug(NES_DBG_QP, "QP sq_vbase= %p sq_pbase=%lx rq_vbase=%p rq_pbase=%lx\n",
+ nesqp->hwqp.sq_vbase, (unsigned long) nesqp->hwqp.sq_pbase,
+ nesqp->hwqp.rq_vbase, (unsigned long) nesqp->hwqp.rq_pbase);
spin_lock_irqsave(&nesadapter->pbl_lock, flags);
if (!nesadapter->free_256pbl) {
pci_free_consistent(nesdev->pcidev, nespbl->pbl_size, nespbl->pbl_vbase,
@@ -1251,6 +1252,9 @@
u8 rq_encoded_size;
/* int counter; */
+ if (init_attr->create_flags)
+ return ERR_PTR(-EINVAL);
+
atomic_inc(&qps_created);
switch (init_attr->qp_type) {
case IB_QPT_RC:
@@ -1908,13 +1912,13 @@
nesadapter->free_256pbl++;
if (nesadapter->free_256pbl > nesadapter->max_256pbl) {
printk(KERN_ERR PFX "%s: free 256B PBLs(%u) has exceeded the max(%u)\n",
- __FUNCTION__, nesadapter->free_256pbl, nesadapter->max_256pbl);
+ __func__, nesadapter->free_256pbl, nesadapter->max_256pbl);
}
} else if (nescq->virtual_cq == 2) {
nesadapter->free_4kpbl++;
if (nesadapter->free_4kpbl > nesadapter->max_4kpbl) {
printk(KERN_ERR PFX "%s: free 4K PBLs(%u) has exceeded the max(%u)\n",
- __FUNCTION__, nesadapter->free_4kpbl, nesadapter->max_4kpbl);
+ __func__, nesadapter->free_4kpbl, nesadapter->max_4kpbl);
}
opcode |= NES_CQP_CQ_4KB_CHUNK;
}
@@ -2653,10 +2657,10 @@
nespbl->pbl_vbase = (u64 *)pbl;
nespbl->user_base = start;
- nes_debug(NES_DBG_MR, "Allocated PBL memory, %u bytes, pbl_pbase=%p,"
+ nes_debug(NES_DBG_MR, "Allocated PBL memory, %u bytes, pbl_pbase=%lx,"
" pbl_vbase=%p user_base=0x%lx\n",
- nespbl->pbl_size, (void *)nespbl->pbl_pbase,
- (void*)nespbl->pbl_vbase, nespbl->user_base);
+ nespbl->pbl_size, (unsigned long) nespbl->pbl_pbase,
+ (void *) nespbl->pbl_vbase, nespbl->user_base);
list_for_each_entry(chunk, ®ion->chunk_list, list) {
for (nmap_index = 0; nmap_index < chunk->nmap; ++nmap_index) {
@@ -3895,14 +3899,11 @@
/**
* nes_unregister_ofa_device
*/
-void nes_unregister_ofa_device(struct nes_ib_device *nesibdev)
+static void nes_unregister_ofa_device(struct nes_ib_device *nesibdev)
{
struct nes_vnic *nesvnic = nesibdev->nesvnic;
int i;
- if (nesibdev == NULL)
- return;
-
for (i = 0; i < ARRAY_SIZE(nes_class_attributes); ++i) {
class_device_remove_file(&nesibdev->ibdev.class_dev, nes_class_attributes[i]);
}
diff --git a/drivers/infiniband/ulp/ipoib/Makefile b/drivers/infiniband/ulp/ipoib/Makefile
index 98ee38e..3090100 100644
--- a/drivers/infiniband/ulp/ipoib/Makefile
+++ b/drivers/infiniband/ulp/ipoib/Makefile
@@ -4,7 +4,8 @@
ipoib_ib.o \
ipoib_multicast.o \
ipoib_verbs.o \
- ipoib_vlan.o
+ ipoib_vlan.o \
+ ipoib_ethtool.o
ib_ipoib-$(CONFIG_INFINIBAND_IPOIB_CM) += ipoib_cm.o
ib_ipoib-$(CONFIG_INFINIBAND_IPOIB_DEBUG) += ipoib_fs.o
diff --git a/drivers/infiniband/ulp/ipoib/ipoib.h b/drivers/infiniband/ulp/ipoib/ipoib.h
index 054fab8..73b2b17 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib.h
+++ b/drivers/infiniband/ulp/ipoib/ipoib.h
@@ -87,6 +87,7 @@
IPOIB_MCAST_STARTED = 8,
IPOIB_FLAG_ADMIN_CM = 9,
IPOIB_FLAG_UMCAST = 10,
+ IPOIB_FLAG_CSUM = 11,
IPOIB_MAX_BACKOFF_SECONDS = 16,
@@ -241,6 +242,11 @@
int num_frags;
};
+struct ipoib_ethtool_st {
+ u16 coalesce_usecs;
+ u16 max_coalesced_frames;
+};
+
/*
* Device private locking: tx_lock protects members used in TX fast
* path (and we use LLTX so upper layers don't do extra locking).
@@ -318,6 +324,8 @@
struct dentry *mcg_dentry;
struct dentry *path_dentry;
#endif
+ int hca_caps;
+ struct ipoib_ethtool_st ethtool;
};
struct ipoib_ah {
@@ -458,6 +466,8 @@
int ipoib_pkey_dev_delay_open(struct net_device *dev);
void ipoib_drain_cq(struct net_device *dev);
+void ipoib_set_ethtool_ops(struct net_device *dev);
+
#ifdef CONFIG_INFINIBAND_IPOIB_CM
#define IPOIB_FLAGS_RC 0x80
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_cm.c b/drivers/infiniband/ulp/ipoib/ipoib_cm.c
index 2490b2d..9db7b0b 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_cm.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_cm.c
@@ -1007,9 +1007,9 @@
struct ipoib_dev_priv *priv = netdev_priv(dev);
struct ib_qp_attr qp_attr;
int qp_attr_mask, ret;
- ret = ib_find_cached_pkey(priv->ca, priv->port, priv->pkey, &qp_attr.pkey_index);
+ ret = ib_find_pkey(priv->ca, priv->port, priv->pkey, &qp_attr.pkey_index);
if (ret) {
- ipoib_warn(priv, "pkey 0x%x not in cache: %d\n", priv->pkey, ret);
+ ipoib_warn(priv, "pkey 0x%x not found: %d\n", priv->pkey, ret);
return ret;
}
@@ -1383,6 +1383,10 @@
set_bit(IPOIB_FLAG_ADMIN_CM, &priv->flags);
ipoib_warn(priv, "enabling connected mode "
"will cause multicast packet drops\n");
+
+ dev->features &= ~(NETIF_F_IP_CSUM | NETIF_F_SG | NETIF_F_TSO);
+ priv->tx_wr.send_flags &= ~IB_SEND_IP_CSUM;
+
ipoib_flush_paths(dev);
return count;
}
@@ -1391,6 +1395,13 @@
clear_bit(IPOIB_FLAG_ADMIN_CM, &priv->flags);
dev->mtu = min(priv->mcast_mtu, dev->mtu);
ipoib_flush_paths(dev);
+
+ if (test_bit(IPOIB_FLAG_CSUM, &priv->flags)) {
+ dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG;
+ if (priv->hca_caps & IB_DEVICE_UD_TSO)
+ dev->features |= NETIF_F_TSO;
+ }
+
return count;
}
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c b/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c
new file mode 100644
index 0000000..9a47428
--- /dev/null
+++ b/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c
@@ -0,0 +1,99 @@
+/*
+ * Copyright (c) 2007 Mellanox Technologies. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses. You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <linux/kernel.h>
+#include <linux/ethtool.h>
+#include <linux/netdevice.h>
+
+#include "ipoib.h"
+
+static void ipoib_get_drvinfo(struct net_device *netdev,
+ struct ethtool_drvinfo *drvinfo)
+{
+ strncpy(drvinfo->driver, "ipoib", sizeof(drvinfo->driver) - 1);
+}
+
+static int ipoib_get_coalesce(struct net_device *dev,
+ struct ethtool_coalesce *coal)
+{
+ struct ipoib_dev_priv *priv = netdev_priv(dev);
+
+ coal->rx_coalesce_usecs = priv->ethtool.coalesce_usecs;
+ coal->tx_coalesce_usecs = priv->ethtool.coalesce_usecs;
+ coal->rx_max_coalesced_frames = priv->ethtool.max_coalesced_frames;
+ coal->tx_max_coalesced_frames = priv->ethtool.max_coalesced_frames;
+
+ return 0;
+}
+
+static int ipoib_set_coalesce(struct net_device *dev,
+ struct ethtool_coalesce *coal)
+{
+ struct ipoib_dev_priv *priv = netdev_priv(dev);
+ int ret;
+
+ /*
+ * Since IPoIB uses a single CQ for both rx and tx, we assume
+ * that rx params dictate the configuration. These values are
+ * saved in the private data and returned when ipoib_get_coalesce()
+ * is called.
+ */
+ if (coal->rx_coalesce_usecs > 0xffff ||
+ coal->rx_max_coalesced_frames > 0xffff)
+ return -EINVAL;
+
+ ret = ib_modify_cq(priv->cq, coal->rx_max_coalesced_frames,
+ coal->rx_coalesce_usecs);
+ if (ret && ret != -ENOSYS) {
+ ipoib_warn(priv, "failed modifying CQ (%d)\n", ret);
+ return ret;
+ }
+
+ coal->tx_coalesce_usecs = coal->rx_coalesce_usecs;
+ coal->tx_max_coalesced_frames = coal->rx_max_coalesced_frames;
+ priv->ethtool.coalesce_usecs = coal->rx_coalesce_usecs;
+ priv->ethtool.max_coalesced_frames = coal->rx_max_coalesced_frames;
+
+ return 0;
+}
+
+static const struct ethtool_ops ipoib_ethtool_ops = {
+ .get_drvinfo = ipoib_get_drvinfo,
+ .get_tso = ethtool_op_get_tso,
+ .get_coalesce = ipoib_get_coalesce,
+ .set_coalesce = ipoib_set_coalesce,
+};
+
+void ipoib_set_ethtool_ops(struct net_device *dev)
+{
+ SET_ETHTOOL_OPS(dev, &ipoib_ethtool_ops);
+}
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ib.c b/drivers/infiniband/ulp/ipoib/ipoib_ib.c
index 08c4396..0205eb7 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_ib.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_ib.c
@@ -39,6 +39,8 @@
#include <linux/dma-mapping.h>
#include <rdma/ib_cache.h>
+#include <linux/ip.h>
+#include <linux/tcp.h>
#include "ipoib.h"
@@ -231,6 +233,10 @@
skb->dev = dev;
/* XXX get correct PACKET_ type here */
skb->pkt_type = PACKET_HOST;
+
+ if (test_bit(IPOIB_FLAG_CSUM, &priv->flags) && likely(wc->csum_ok))
+ skb->ip_summed = CHECKSUM_UNNECESSARY;
+
netif_receive_skb(skb);
repost:
@@ -245,29 +251,37 @@
struct sk_buff *skb = tx_req->skb;
u64 *mapping = tx_req->mapping;
int i;
+ int off;
- mapping[0] = ib_dma_map_single(ca, skb->data, skb_headlen(skb),
- DMA_TO_DEVICE);
- if (unlikely(ib_dma_mapping_error(ca, mapping[0])))
- return -EIO;
+ if (skb_headlen(skb)) {
+ mapping[0] = ib_dma_map_single(ca, skb->data, skb_headlen(skb),
+ DMA_TO_DEVICE);
+ if (unlikely(ib_dma_mapping_error(ca, mapping[0])))
+ return -EIO;
+
+ off = 1;
+ } else
+ off = 0;
for (i = 0; i < skb_shinfo(skb)->nr_frags; ++i) {
skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
- mapping[i + 1] = ib_dma_map_page(ca, frag->page,
+ mapping[i + off] = ib_dma_map_page(ca, frag->page,
frag->page_offset, frag->size,
DMA_TO_DEVICE);
- if (unlikely(ib_dma_mapping_error(ca, mapping[i + 1])))
+ if (unlikely(ib_dma_mapping_error(ca, mapping[i + off])))
goto partial_error;
}
return 0;
partial_error:
- ib_dma_unmap_single(ca, mapping[0], skb_headlen(skb), DMA_TO_DEVICE);
-
for (; i > 0; --i) {
skb_frag_t *frag = &skb_shinfo(skb)->frags[i - 1];
- ib_dma_unmap_page(ca, mapping[i], frag->size, DMA_TO_DEVICE);
+ ib_dma_unmap_page(ca, mapping[i - !off], frag->size, DMA_TO_DEVICE);
}
+
+ if (off)
+ ib_dma_unmap_single(ca, mapping[0], skb_headlen(skb), DMA_TO_DEVICE);
+
return -EIO;
}
@@ -277,12 +291,17 @@
struct sk_buff *skb = tx_req->skb;
u64 *mapping = tx_req->mapping;
int i;
+ int off;
- ib_dma_unmap_single(ca, mapping[0], skb_headlen(skb), DMA_TO_DEVICE);
+ if (skb_headlen(skb)) {
+ ib_dma_unmap_single(ca, mapping[0], skb_headlen(skb), DMA_TO_DEVICE);
+ off = 1;
+ } else
+ off = 0;
for (i = 0; i < skb_shinfo(skb)->nr_frags; ++i) {
skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
- ib_dma_unmap_page(ca, mapping[i + 1], frag->size,
+ ib_dma_unmap_page(ca, mapping[i + off], frag->size,
DMA_TO_DEVICE);
}
}
@@ -388,24 +407,40 @@
static inline int post_send(struct ipoib_dev_priv *priv,
unsigned int wr_id,
struct ib_ah *address, u32 qpn,
- u64 *mapping, int headlen,
- skb_frag_t *frags,
- int nr_frags)
+ struct ipoib_tx_buf *tx_req,
+ void *head, int hlen)
{
struct ib_send_wr *bad_wr;
- int i;
+ int i, off;
+ struct sk_buff *skb = tx_req->skb;
+ skb_frag_t *frags = skb_shinfo(skb)->frags;
+ int nr_frags = skb_shinfo(skb)->nr_frags;
+ u64 *mapping = tx_req->mapping;
- priv->tx_sge[0].addr = mapping[0];
- priv->tx_sge[0].length = headlen;
+ if (skb_headlen(skb)) {
+ priv->tx_sge[0].addr = mapping[0];
+ priv->tx_sge[0].length = skb_headlen(skb);
+ off = 1;
+ } else
+ off = 0;
+
for (i = 0; i < nr_frags; ++i) {
- priv->tx_sge[i + 1].addr = mapping[i + 1];
- priv->tx_sge[i + 1].length = frags[i].size;
+ priv->tx_sge[i + off].addr = mapping[i + off];
+ priv->tx_sge[i + off].length = frags[i].size;
}
- priv->tx_wr.num_sge = nr_frags + 1;
+ priv->tx_wr.num_sge = nr_frags + off;
priv->tx_wr.wr_id = wr_id;
priv->tx_wr.wr.ud.remote_qpn = qpn;
priv->tx_wr.wr.ud.ah = address;
+ if (head) {
+ priv->tx_wr.wr.ud.mss = skb_shinfo(skb)->gso_size;
+ priv->tx_wr.wr.ud.header = head;
+ priv->tx_wr.wr.ud.hlen = hlen;
+ priv->tx_wr.opcode = IB_WR_LSO;
+ } else
+ priv->tx_wr.opcode = IB_WR_SEND;
+
return ib_post_send(priv->qp, &priv->tx_wr, &bad_wr);
}
@@ -414,14 +449,30 @@
{
struct ipoib_dev_priv *priv = netdev_priv(dev);
struct ipoib_tx_buf *tx_req;
+ int hlen;
+ void *phead;
- if (unlikely(skb->len > priv->mcast_mtu + IPOIB_ENCAP_LEN)) {
- ipoib_warn(priv, "packet len %d (> %d) too long to send, dropping\n",
- skb->len, priv->mcast_mtu + IPOIB_ENCAP_LEN);
- ++dev->stats.tx_dropped;
- ++dev->stats.tx_errors;
- ipoib_cm_skb_too_long(dev, skb, priv->mcast_mtu);
- return;
+ if (skb_is_gso(skb)) {
+ hlen = skb_transport_offset(skb) + tcp_hdrlen(skb);
+ phead = skb->data;
+ if (unlikely(!skb_pull(skb, hlen))) {
+ ipoib_warn(priv, "linear data too small\n");
+ ++dev->stats.tx_dropped;
+ ++dev->stats.tx_errors;
+ dev_kfree_skb_any(skb);
+ return;
+ }
+ } else {
+ if (unlikely(skb->len > priv->mcast_mtu + IPOIB_ENCAP_LEN)) {
+ ipoib_warn(priv, "packet len %d (> %d) too long to send, dropping\n",
+ skb->len, priv->mcast_mtu + IPOIB_ENCAP_LEN);
+ ++dev->stats.tx_dropped;
+ ++dev->stats.tx_errors;
+ ipoib_cm_skb_too_long(dev, skb, priv->mcast_mtu);
+ return;
+ }
+ phead = NULL;
+ hlen = 0;
}
ipoib_dbg_data(priv, "sending packet, length=%d address=%p qpn=0x%06x\n",
@@ -442,10 +493,13 @@
return;
}
+ if (skb->ip_summed == CHECKSUM_PARTIAL)
+ priv->tx_wr.send_flags |= IB_SEND_IP_CSUM;
+ else
+ priv->tx_wr.send_flags &= ~IB_SEND_IP_CSUM;
+
if (unlikely(post_send(priv, priv->tx_head & (ipoib_sendq_size - 1),
- address->ah, qpn,
- tx_req->mapping, skb_headlen(skb),
- skb_shinfo(skb)->frags, skb_shinfo(skb)->nr_frags))) {
+ address->ah, qpn, tx_req, phead, hlen))) {
ipoib_warn(priv, "post_send failed\n");
++dev->stats.tx_errors;
ipoib_dma_unmap_tx(priv->ca, tx_req);
@@ -540,7 +594,7 @@
struct ipoib_dev_priv *priv = netdev_priv(dev);
u16 pkey_index = 0;
- if (ib_find_cached_pkey(priv->ca, priv->port, priv->pkey, &pkey_index))
+ if (ib_find_pkey(priv->ca, priv->port, priv->pkey, &pkey_index))
clear_bit(IPOIB_PKEY_ASSIGNED, &priv->flags);
else
set_bit(IPOIB_PKEY_ASSIGNED, &priv->flags);
@@ -781,13 +835,13 @@
clear_bit(IPOIB_PKEY_ASSIGNED, &priv->flags);
ipoib_ib_dev_down(dev, 0);
ipoib_ib_dev_stop(dev, 0);
- ipoib_pkey_dev_delay_open(dev);
- return;
+ if (ipoib_pkey_dev_delay_open(dev))
+ return;
}
- set_bit(IPOIB_PKEY_ASSIGNED, &priv->flags);
/* restart QP only if P_Key index is changed */
- if (new_index == priv->pkey_index) {
+ if (test_and_set_bit(IPOIB_PKEY_ASSIGNED, &priv->flags) &&
+ new_index == priv->pkey_index) {
ipoib_dbg(priv, "Not flushing - P_Key index not changed.\n");
return;
}
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c
index 5728204..bd07f02 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_main.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c
@@ -359,8 +359,7 @@
spin_lock_irq(&priv->tx_lock);
spin_lock(&priv->lock);
- list_splice(&priv->path_list, &remove_list);
- INIT_LIST_HEAD(&priv->path_list);
+ list_splice_init(&priv->path_list, &remove_list);
list_for_each_entry(path, &remove_list, list)
rb_erase(&path->rb_node, &priv->path_tree);
@@ -952,6 +951,8 @@
dev->set_multicast_list = ipoib_set_mcast_list;
dev->neigh_setup = ipoib_neigh_setup_dev;
+ ipoib_set_ethtool_ops(dev);
+
netif_napi_add(dev, &priv->napi, ipoib_poll, 100);
dev->watchdog_timeo = HZ;
@@ -1105,6 +1106,7 @@
struct ib_device *hca, u8 port)
{
struct ipoib_dev_priv *priv;
+ struct ib_device_attr *device_attr;
int result = -ENOMEM;
priv = ipoib_intf_alloc(format);
@@ -1120,6 +1122,29 @@
goto device_init_failed;
}
+ device_attr = kmalloc(sizeof *device_attr, GFP_KERNEL);
+ if (!device_attr) {
+ printk(KERN_WARNING "%s: allocation of %zu bytes failed\n",
+ hca->name, sizeof *device_attr);
+ goto device_init_failed;
+ }
+
+ result = ib_query_device(hca, device_attr);
+ if (result) {
+ printk(KERN_WARNING "%s: ib_query_device failed (ret = %d)\n",
+ hca->name, result);
+ kfree(device_attr);
+ goto device_init_failed;
+ }
+ priv->hca_caps = device_attr->device_cap_flags;
+
+ kfree(device_attr);
+
+ if (priv->hca_caps & IB_DEVICE_UD_IP_CSUM) {
+ set_bit(IPOIB_FLAG_CSUM, &priv->flags);
+ priv->dev->features |= NETIF_F_SG | NETIF_F_IP_CSUM;
+ }
+
/*
* Set the full membership bit, so that we join the right
* broadcast group, etc.
@@ -1137,7 +1162,6 @@
} else
memcpy(priv->dev->dev_addr + 4, priv->local_gid.raw, sizeof (union ib_gid));
-
result = ipoib_dev_init(priv->dev, hca, port);
if (result < 0) {
printk(KERN_WARNING "%s: failed to initialize port %d (ret = %d)\n",
@@ -1155,6 +1179,9 @@
goto event_failed;
}
+ if (priv->dev->features & NETIF_F_SG && priv->hca_caps & IB_DEVICE_UD_TSO)
+ priv->dev->features |= NETIF_F_TSO;
+
result = register_netdev(priv->dev);
if (result) {
printk(KERN_WARNING "%s: couldn't register ipoib port %d; error %d\n",
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_verbs.c b/drivers/infiniband/ulp/ipoib/ipoib_verbs.c
index a3aeb91..8a20e37 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_verbs.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_verbs.c
@@ -192,6 +192,9 @@
init_attr.send_cq = priv->cq;
init_attr.recv_cq = priv->cq;
+ if (priv->hca_caps & IB_DEVICE_UD_TSO)
+ init_attr.create_flags = IB_QP_CREATE_IPOIB_UD_LSO;
+
if (dev->features & NETIF_F_SG)
init_attr.cap.max_send_sge = MAX_SKB_FRAGS + 1;
diff --git a/drivers/infiniband/ulp/iser/iser_initiator.c b/drivers/infiniband/ulp/iser/iser_initiator.c
index 83247f1..08dc81c 100644
--- a/drivers/infiniband/ulp/iser/iser_initiator.c
+++ b/drivers/infiniband/ulp/iser/iser_initiator.c
@@ -405,7 +405,7 @@
struct iser_dto *send_dto = NULL;
unsigned long buf_offset;
unsigned long data_seg_len;
- unsigned int itt;
+ uint32_t itt;
int err = 0;
if (!iser_conn_state_comp(iser_conn->ib_conn, ISER_CONN_UP)) {
@@ -416,7 +416,7 @@
if (iser_check_xmit(conn, ctask))
return -ENOBUFS;
- itt = ntohl(hdr->itt);
+ itt = (__force uint32_t)hdr->itt;
data_seg_len = ntoh24(hdr->dlength);
buf_offset = ntohl(hdr->offset);
diff --git a/drivers/infiniband/ulp/iser/iser_verbs.c b/drivers/infiniband/ulp/iser/iser_verbs.c
index 993f0a8..d19cfe6 100644
--- a/drivers/infiniband/ulp/iser/iser_verbs.c
+++ b/drivers/infiniband/ulp/iser/iser_verbs.c
@@ -473,11 +473,8 @@
iser_connect_error(cma_id);
break;
case RDMA_CM_EVENT_DISCONNECTED:
- iser_disconnected_handler(cma_id);
- break;
case RDMA_CM_EVENT_DEVICE_REMOVAL:
- iser_err("Device removal is currently unsupported\n");
- BUG();
+ iser_disconnected_handler(cma_id);
break;
default:
iser_err("Unexpected RDMA CM event (%d)\n", event->event);
diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c
index fd4a49f..125765a 100644
--- a/drivers/infiniband/ulp/srp/ib_srp.c
+++ b/drivers/infiniband/ulp/srp/ib_srp.c
@@ -68,7 +68,7 @@
module_param(srp_sg_tablesize, int, 0444);
MODULE_PARM_DESC(srp_sg_tablesize,
- "Max number of gather/scatter entries per I/O (default is 12)");
+ "Max number of gather/scatter entries per I/O (default is 12, max 255)");
static int topspin_workarounds = 1;
@@ -2138,6 +2138,11 @@
{
int ret;
+ if (srp_sg_tablesize > 255) {
+ printk(KERN_WARNING PFX "Clamping srp_sg_tablesize to 255\n");
+ srp_sg_tablesize = 255;
+ }
+
ib_srp_transport_template =
srp_attach_transport(&ib_srp_transport_functions);
if (!ib_srp_transport_template)
diff --git a/drivers/net/mlx4/catas.c b/drivers/net/mlx4/catas.c
index 6b32ec9..aa95287 100644
--- a/drivers/net/mlx4/catas.c
+++ b/drivers/net/mlx4/catas.c
@@ -69,7 +69,7 @@
if (readl(priv->catas_err.map)) {
dump_err_buf(dev);
- mlx4_dispatch_event(dev, MLX4_EVENT_TYPE_LOCAL_CATAS_ERROR, 0, 0);
+ mlx4_dispatch_event(dev, MLX4_DEV_EVENT_CATASTROPHIC_ERROR, 0);
if (internal_err_reset) {
spin_lock(&catas_lock);
diff --git a/drivers/net/mlx4/cmd.c b/drivers/net/mlx4/cmd.c
index db49051..70dff94 100644
--- a/drivers/net/mlx4/cmd.c
+++ b/drivers/net/mlx4/cmd.c
@@ -106,7 +106,8 @@
u16 token;
};
-static int mlx4_status_to_errno(u8 status) {
+static int mlx4_status_to_errno(u8 status)
+{
static const int trans_table[] = {
[CMD_STAT_INTERNAL_ERR] = -EIO,
[CMD_STAT_BAD_OP] = -EPERM,
diff --git a/drivers/net/mlx4/cq.c b/drivers/net/mlx4/cq.c
index d4441fe..caa5bcf 100644
--- a/drivers/net/mlx4/cq.c
+++ b/drivers/net/mlx4/cq.c
@@ -38,6 +38,7 @@
#include <linux/hardirq.h>
#include <linux/mlx4/cmd.h>
+#include <linux/mlx4/cq.h>
#include "mlx4.h"
#include "icm.h"
@@ -47,21 +48,19 @@
u16 reserved1[3];
__be16 page_offset;
__be32 logsize_usrpage;
- u8 reserved2;
- u8 cq_period;
- u8 reserved3;
- u8 cq_max_count;
- u8 reserved4[3];
+ __be16 cq_period;
+ __be16 cq_max_count;
+ u8 reserved2[3];
u8 comp_eqn;
u8 log_page_size;
- u8 reserved5[2];
+ u8 reserved3[2];
u8 mtt_base_addr_h;
__be32 mtt_base_addr_l;
__be32 last_notified_index;
__be32 solicit_producer_index;
__be32 consumer_index;
__be32 producer_index;
- u32 reserved6[2];
+ u32 reserved4[2];
__be64 db_rec_addr;
};
@@ -121,6 +120,13 @@
MLX4_CMD_TIME_CLASS_A);
}
+static int mlx4_MODIFY_CQ(struct mlx4_dev *dev, struct mlx4_cmd_mailbox *mailbox,
+ int cq_num, u32 opmod)
+{
+ return mlx4_cmd(dev, mailbox->dma, cq_num, opmod, MLX4_CMD_MODIFY_CQ,
+ MLX4_CMD_TIME_CLASS_A);
+}
+
static int mlx4_HW2SW_CQ(struct mlx4_dev *dev, struct mlx4_cmd_mailbox *mailbox,
int cq_num)
{
@@ -129,6 +135,58 @@
MLX4_CMD_TIME_CLASS_A);
}
+int mlx4_cq_modify(struct mlx4_dev *dev, struct mlx4_cq *cq,
+ u16 count, u16 period)
+{
+ struct mlx4_cmd_mailbox *mailbox;
+ struct mlx4_cq_context *cq_context;
+ int err;
+
+ mailbox = mlx4_alloc_cmd_mailbox(dev);
+ if (IS_ERR(mailbox))
+ return PTR_ERR(mailbox);
+
+ cq_context = mailbox->buf;
+ memset(cq_context, 0, sizeof *cq_context);
+
+ cq_context->cq_max_count = cpu_to_be16(count);
+ cq_context->cq_period = cpu_to_be16(period);
+
+ err = mlx4_MODIFY_CQ(dev, mailbox, cq->cqn, 1);
+
+ mlx4_free_cmd_mailbox(dev, mailbox);
+ return err;
+}
+EXPORT_SYMBOL_GPL(mlx4_cq_modify);
+
+int mlx4_cq_resize(struct mlx4_dev *dev, struct mlx4_cq *cq,
+ int entries, struct mlx4_mtt *mtt)
+{
+ struct mlx4_cmd_mailbox *mailbox;
+ struct mlx4_cq_context *cq_context;
+ u64 mtt_addr;
+ int err;
+
+ mailbox = mlx4_alloc_cmd_mailbox(dev);
+ if (IS_ERR(mailbox))
+ return PTR_ERR(mailbox);
+
+ cq_context = mailbox->buf;
+ memset(cq_context, 0, sizeof *cq_context);
+
+ cq_context->logsize_usrpage = cpu_to_be32(ilog2(entries) << 24);
+ cq_context->log_page_size = mtt->page_shift - 12;
+ mtt_addr = mlx4_mtt_addr(dev, mtt);
+ cq_context->mtt_base_addr_h = mtt_addr >> 32;
+ cq_context->mtt_base_addr_l = cpu_to_be32(mtt_addr & 0xffffffff);
+
+ err = mlx4_MODIFY_CQ(dev, mailbox, cq->cqn, 1);
+
+ mlx4_free_cmd_mailbox(dev, mailbox);
+ return err;
+}
+EXPORT_SYMBOL_GPL(mlx4_cq_resize);
+
int mlx4_cq_alloc(struct mlx4_dev *dev, int nent, struct mlx4_mtt *mtt,
struct mlx4_uar *uar, u64 db_rec, struct mlx4_cq *cq)
{
diff --git a/drivers/net/mlx4/eq.c b/drivers/net/mlx4/eq.c
index 9c36c20..e141a15 100644
--- a/drivers/net/mlx4/eq.c
+++ b/drivers/net/mlx4/eq.c
@@ -202,7 +202,10 @@
break;
case MLX4_EVENT_TYPE_PORT_CHANGE:
- mlx4_dispatch_event(dev, eqe->type, eqe->subtype,
+ mlx4_dispatch_event(dev,
+ eqe->subtype == MLX4_PORT_CHANGE_SUBTYPE_ACTIVE ?
+ MLX4_DEV_EVENT_PORT_UP :
+ MLX4_DEV_EVENT_PORT_DOWN,
be32_to_cpu(eqe->event.port_change.port) >> 28);
break;
diff --git a/drivers/net/mlx4/fw.c b/drivers/net/mlx4/fw.c
index 61dc495..d82f275 100644
--- a/drivers/net/mlx4/fw.c
+++ b/drivers/net/mlx4/fw.c
@@ -133,6 +133,7 @@
#define QUERY_DEV_CAP_MAX_AV_OFFSET 0x27
#define QUERY_DEV_CAP_MAX_REQ_QP_OFFSET 0x29
#define QUERY_DEV_CAP_MAX_RES_QP_OFFSET 0x2b
+#define QUERY_DEV_CAP_MAX_GSO_OFFSET 0x2d
#define QUERY_DEV_CAP_MAX_RDMA_OFFSET 0x2f
#define QUERY_DEV_CAP_RSZ_SRQ_OFFSET 0x33
#define QUERY_DEV_CAP_ACK_DELAY_OFFSET 0x35
@@ -215,6 +216,13 @@
dev_cap->max_requester_per_qp = 1 << (field & 0x3f);
MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_RES_QP_OFFSET);
dev_cap->max_responder_per_qp = 1 << (field & 0x3f);
+ MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_GSO_OFFSET);
+ field &= 0x1f;
+ if (!field)
+ dev_cap->max_gso_sz = 0;
+ else
+ dev_cap->max_gso_sz = 1 << field;
+
MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_RDMA_OFFSET);
dev_cap->max_rdma_global = 1 << (field & 0x3f);
MLX4_GET(field, outbox, QUERY_DEV_CAP_ACK_DELAY_OFFSET);
@@ -377,6 +385,7 @@
dev_cap->max_sq_desc_sz, dev_cap->max_sq_sg);
mlx4_dbg(dev, "Max RQ desc size: %d, max RQ S/G: %d\n",
dev_cap->max_rq_desc_sz, dev_cap->max_rq_sg);
+ mlx4_dbg(dev, "Max GSO size: %d\n", dev_cap->max_gso_sz);
dump_dev_cap_flags(dev, dev_cap->flags);
@@ -696,6 +705,10 @@
/* Check port for UD address vector: */
*(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1);
+ /* Enable IPoIB checksumming if we can: */
+ if (dev->caps.flags & MLX4_DEV_CAP_FLAG_IPOIB_CSUM)
+ *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 3);
+
/* QPC/EEC/CQC/EQC/RDMARC attributes */
MLX4_PUT(inbox, param->qpc_base, INIT_HCA_QPC_BASE_OFFSET);
diff --git a/drivers/net/mlx4/fw.h b/drivers/net/mlx4/fw.h
index e16dec8..306cb9b 100644
--- a/drivers/net/mlx4/fw.h
+++ b/drivers/net/mlx4/fw.h
@@ -96,6 +96,7 @@
u8 bmme_flags;
u32 reserved_lkey;
u64 max_icm_sz;
+ int max_gso_sz;
};
struct mlx4_adapter {
diff --git a/drivers/net/mlx4/intf.c b/drivers/net/mlx4/intf.c
index be5d9e9..4a6c4d5 100644
--- a/drivers/net/mlx4/intf.c
+++ b/drivers/net/mlx4/intf.c
@@ -30,8 +30,6 @@
* SOFTWARE.
*/
-#include <linux/mlx4/driver.h>
-
#include "mlx4.h"
struct mlx4_device_context {
@@ -113,8 +111,7 @@
}
EXPORT_SYMBOL_GPL(mlx4_unregister_interface);
-void mlx4_dispatch_event(struct mlx4_dev *dev, enum mlx4_event type,
- int subtype, int port)
+void mlx4_dispatch_event(struct mlx4_dev *dev, enum mlx4_dev_event type, int port)
{
struct mlx4_priv *priv = mlx4_priv(dev);
struct mlx4_device_context *dev_ctx;
@@ -124,8 +121,7 @@
list_for_each_entry(dev_ctx, &priv->ctx_list, list)
if (dev_ctx->intf->event)
- dev_ctx->intf->event(dev, dev_ctx->context, type,
- subtype, port);
+ dev_ctx->intf->event(dev, dev_ctx->context, type, port);
spin_unlock_irqrestore(&priv->ctx_lock, flags);
}
diff --git a/drivers/net/mlx4/main.c b/drivers/net/mlx4/main.c
index 08bfc13..49a4aca 100644
--- a/drivers/net/mlx4/main.c
+++ b/drivers/net/mlx4/main.c
@@ -76,7 +76,7 @@
DRV_VERSION " (" DRV_RELDATE ")\n";
static struct mlx4_profile default_profile = {
- .num_qp = 1 << 16,
+ .num_qp = 1 << 17,
.num_srq = 1 << 16,
.rdmarc_per_qp = 1 << 4,
.num_cq = 1 << 16,
@@ -159,6 +159,7 @@
dev->caps.page_size_cap = ~(u32) (dev_cap->min_page_sz - 1);
dev->caps.flags = dev_cap->flags;
dev->caps.stat_rate_support = dev_cap->stat_rate_support;
+ dev->caps.max_gso_sz = dev_cap->max_gso_sz;
return 0;
}
@@ -735,8 +736,7 @@
}
/*
- * Check for BARs. We expect 0: 1MB, 2: 8MB, 4: DDR (may not
- * be present)
+ * Check for BARs. We expect 0: 1MB
*/
if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM) ||
pci_resource_len(pdev, 0) != 1 << 20) {
diff --git a/drivers/net/mlx4/mcg.c b/drivers/net/mlx4/mcg.c
index a99e772..57f7f1f 100644
--- a/drivers/net/mlx4/mcg.c
+++ b/drivers/net/mlx4/mcg.c
@@ -190,10 +190,6 @@
}
index += dev->caps.num_mgms;
- err = mlx4_READ_MCG(dev, index, mailbox);
- if (err)
- goto out;
-
memset(mgm, 0, sizeof *mgm);
memcpy(mgm->gid, gid, 16);
}
@@ -301,12 +297,10 @@
mgm->qp[loc] = mgm->qp[i - 1];
mgm->qp[i - 1] = 0;
- err = mlx4_WRITE_MCG(dev, index, mailbox);
- if (err)
+ if (i != 1) {
+ err = mlx4_WRITE_MCG(dev, index, mailbox);
goto out;
-
- if (i != 1)
- goto out;
+ }
if (prev == -1) {
/* Remove entry from MGM */
diff --git a/drivers/net/mlx4/mlx4.h b/drivers/net/mlx4/mlx4.h
index 53a1cdd..7333681 100644
--- a/drivers/net/mlx4/mlx4.h
+++ b/drivers/net/mlx4/mlx4.h
@@ -42,6 +42,7 @@
#include <linux/timer.h>
#include <linux/mlx4/device.h>
+#include <linux/mlx4/driver.h>
#include <linux/mlx4/doorbell.h>
#define DRV_NAME "mlx4_core"
@@ -313,8 +314,7 @@
int mlx4_restart_one(struct pci_dev *pdev);
int mlx4_register_device(struct mlx4_dev *dev);
void mlx4_unregister_device(struct mlx4_dev *dev);
-void mlx4_dispatch_event(struct mlx4_dev *dev, enum mlx4_event type,
- int subtype, int port);
+void mlx4_dispatch_event(struct mlx4_dev *dev, enum mlx4_dev_event type, int port);
struct mlx4_dev_cap;
struct mlx4_init_hca_param;
diff --git a/include/linux/mlx4/cmd.h b/include/linux/mlx4/cmd.h
index 7d1eaa9..77323a7 100644
--- a/include/linux/mlx4/cmd.h
+++ b/include/linux/mlx4/cmd.h
@@ -81,7 +81,7 @@
MLX4_CMD_SW2HW_CQ = 0x16,
MLX4_CMD_HW2SW_CQ = 0x17,
MLX4_CMD_QUERY_CQ = 0x18,
- MLX4_CMD_RESIZE_CQ = 0x2c,
+ MLX4_CMD_MODIFY_CQ = 0x2c,
/* SRQ commands */
MLX4_CMD_SW2HW_SRQ = 0x35,
diff --git a/include/linux/mlx4/cq.h b/include/linux/mlx4/cq.h
index 0181e0a..071cf96 100644
--- a/include/linux/mlx4/cq.h
+++ b/include/linux/mlx4/cq.h
@@ -45,11 +45,11 @@
u8 sl;
u8 reserved1;
__be16 rlid;
- u32 reserved2;
+ __be32 ipoib_status;
__be32 byte_cnt;
__be16 wqe_index;
__be16 checksum;
- u8 reserved3[3];
+ u8 reserved2[3];
u8 owner_sr_opcode;
};
@@ -85,6 +85,16 @@
MLX4_CQE_SYNDROME_REMOTE_ABORTED_ERR = 0x22,
};
+enum {
+ MLX4_CQE_IPOIB_STATUS_IPV4 = 1 << 22,
+ MLX4_CQE_IPOIB_STATUS_IPV4F = 1 << 23,
+ MLX4_CQE_IPOIB_STATUS_IPV6 = 1 << 24,
+ MLX4_CQE_IPOIB_STATUS_IPV4OPT = 1 << 25,
+ MLX4_CQE_IPOIB_STATUS_TCP = 1 << 26,
+ MLX4_CQE_IPOIB_STATUS_UDP = 1 << 27,
+ MLX4_CQE_IPOIB_STATUS_IPOK = 1 << 28,
+};
+
static inline void mlx4_cq_arm(struct mlx4_cq *cq, u32 cmd,
void __iomem *uar_page,
spinlock_t *doorbell_lock)
@@ -120,4 +130,9 @@
MLX4_CQ_DB_REQ_NOT = 2 << 24
};
+int mlx4_cq_modify(struct mlx4_dev *dev, struct mlx4_cq *cq,
+ u16 count, u16 period);
+int mlx4_cq_resize(struct mlx4_dev *dev, struct mlx4_cq *cq,
+ int entries, struct mlx4_mtt *mtt);
+
#endif /* MLX4_CQ_H */
diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h
index 6cdf813..ff7df1a 100644
--- a/include/linux/mlx4/device.h
+++ b/include/linux/mlx4/device.h
@@ -186,6 +186,7 @@
u32 flags;
u16 stat_rate_support;
u8 port_width_cap[MLX4_MAX_PORTS + 1];
+ int max_gso_sz;
};
struct mlx4_buf_list {
diff --git a/include/linux/mlx4/driver.h b/include/linux/mlx4/driver.h
index 1b835ca..53c5fdb 100644
--- a/include/linux/mlx4/driver.h
+++ b/include/linux/mlx4/driver.h
@@ -48,8 +48,7 @@
void * (*add) (struct mlx4_dev *dev);
void (*remove)(struct mlx4_dev *dev, void *context);
void (*event) (struct mlx4_dev *dev, void *context,
- enum mlx4_dev_event event, int subtype,
- int port);
+ enum mlx4_dev_event event, int port);
struct list_head list;
};
diff --git a/include/linux/mlx4/qp.h b/include/linux/mlx4/qp.h
index 09a2230..a5e43fe 100644
--- a/include/linux/mlx4/qp.h
+++ b/include/linux/mlx4/qp.h
@@ -158,10 +158,12 @@
#define MLX4_FW_VER_WQE_CTRL_NEC mlx4_fw_ver(2, 2, 232)
enum {
- MLX4_WQE_CTRL_NEC = 1 << 29,
- MLX4_WQE_CTRL_FENCE = 1 << 6,
- MLX4_WQE_CTRL_CQ_UPDATE = 3 << 2,
- MLX4_WQE_CTRL_SOLICITED = 1 << 1,
+ MLX4_WQE_CTRL_NEC = 1 << 29,
+ MLX4_WQE_CTRL_FENCE = 1 << 6,
+ MLX4_WQE_CTRL_CQ_UPDATE = 3 << 2,
+ MLX4_WQE_CTRL_SOLICITED = 1 << 1,
+ MLX4_WQE_CTRL_IP_CSUM = 1 << 4,
+ MLX4_WQE_CTRL_TCP_UDP_CSUM = 1 << 5,
};
struct mlx4_wqe_ctrl_seg {
@@ -217,6 +219,11 @@
__be32 reservd[2];
};
+struct mlx4_lso_seg {
+ __be32 mss_hdr_size;
+ __be32 header[0];
+};
+
struct mlx4_wqe_bind_seg {
__be32 flags1;
__be32 flags2;
diff --git a/include/rdma/ib_user_verbs.h b/include/rdma/ib_user_verbs.h
index 64a721f..8d65bf0 100644
--- a/include/rdma/ib_user_verbs.h
+++ b/include/rdma/ib_user_verbs.h
@@ -533,7 +533,10 @@
__u32 num_sge;
__u32 opcode;
__u32 send_flags;
- __u32 imm_data;
+ union {
+ __u32 imm_data;
+ __u32 invalidate_rkey;
+ } ex;
union {
struct {
__u64 remote_addr;
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 701e7b4..95bf4ba 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -94,7 +94,7 @@
IB_DEVICE_SRQ_RESIZE = (1<<13),
IB_DEVICE_N_NOTIFY_CQ = (1<<14),
IB_DEVICE_ZERO_STAG = (1<<15),
- IB_DEVICE_SEND_W_INV = (1<<16),
+ IB_DEVICE_RESERVED = (1<<16), /* old SEND_W_INV */
IB_DEVICE_MEM_WINDOW = (1<<17),
/*
* Devices should set IB_DEVICE_UD_IP_SUM if they support
@@ -104,6 +104,8 @@
* IPoIB driver may set NETIF_F_IP_CSUM for datagram mode.
*/
IB_DEVICE_UD_IP_CSUM = (1<<18),
+ IB_DEVICE_UD_TSO = (1<<19),
+ IB_DEVICE_SEND_W_INV = (1<<21),
};
enum ib_atomic_cap {
@@ -411,6 +413,7 @@
IB_WC_COMP_SWAP,
IB_WC_FETCH_ADD,
IB_WC_BIND_MW,
+ IB_WC_LSO,
/*
* Set value of IB_WC_RECV so consumers can test if a completion is a
* receive by testing (opcode & IB_WC_RECV).
@@ -495,6 +498,10 @@
IB_QPT_RAW_ETY
};
+enum ib_qp_create_flags {
+ IB_QP_CREATE_IPOIB_UD_LSO = 1 << 0,
+};
+
struct ib_qp_init_attr {
void (*event_handler)(struct ib_event *, void *);
void *qp_context;
@@ -504,6 +511,7 @@
struct ib_qp_cap cap;
enum ib_sig_type sq_sig_type;
enum ib_qp_type qp_type;
+ enum ib_qp_create_flags create_flags;
u8 port_num; /* special QP types only */
};
@@ -617,7 +625,9 @@
IB_WR_SEND_WITH_IMM,
IB_WR_RDMA_READ,
IB_WR_ATOMIC_CMP_AND_SWP,
- IB_WR_ATOMIC_FETCH_AND_ADD
+ IB_WR_ATOMIC_FETCH_AND_ADD,
+ IB_WR_LSO,
+ IB_WR_SEND_WITH_INV,
};
enum ib_send_flags {
@@ -641,7 +651,10 @@
int num_sge;
enum ib_wr_opcode opcode;
int send_flags;
- __be32 imm_data;
+ union {
+ __be32 imm_data;
+ u32 invalidate_rkey;
+ } ex;
union {
struct {
u64 remote_addr;
@@ -655,6 +668,9 @@
} atomic;
struct {
struct ib_ah *ah;
+ void *header;
+ int hlen;
+ int mss;
u32 remote_qpn;
u32 remote_qkey;
u16 pkey_index; /* valid for GSI only */
@@ -730,7 +746,7 @@
struct ib_ucontext *context; /* associated user context */
void *object; /* containing object */
struct list_head list; /* link to context's list */
- u32 id; /* index into kernel idr */
+ int id; /* index into kernel idr */
struct kref ref;
struct rw_semaphore mutex; /* protects .live */
int live;
@@ -971,6 +987,8 @@
int comp_vector,
struct ib_ucontext *context,
struct ib_udata *udata);
+ int (*modify_cq)(struct ib_cq *cq, u16 cq_count,
+ u16 cq_period);
int (*destroy_cq)(struct ib_cq *cq);
int (*resize_cq)(struct ib_cq *cq, int cqe,
struct ib_udata *udata);
@@ -1376,6 +1394,15 @@
int ib_resize_cq(struct ib_cq *cq, int cqe);
/**
+ * ib_modify_cq - Modifies moderation params of the CQ
+ * @cq: The CQ to modify.
+ * @cq_count: number of CQEs that will trigger an event
+ * @cq_period: max period of time in usec before triggering an event
+ *
+ */
+int ib_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period);
+
+/**
* ib_destroy_cq - Destroys the specified CQ.
* @cq: The CQ to destroy.
*/
diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c
index ffbf22a..8ea283e 100644
--- a/net/sunrpc/xprtrdma/verbs.c
+++ b/net/sunrpc/xprtrdma/verbs.c
@@ -1573,7 +1573,6 @@
send_wr.sg_list = req->rl_send_iov;
send_wr.num_sge = req->rl_niovs;
send_wr.opcode = IB_WR_SEND;
- send_wr.imm_data = 0;
if (send_wr.num_sge == 4) /* no need to sync any pad (constant) */
ib_dma_sync_single_for_device(ia->ri_id->device,
req->rl_send_iov[3].addr, req->rl_send_iov[3].length,
