| /* |
| * linux/drivers/message/fusion/mptsas.c |
| * For use with LSI Logic PCI chip/adapter(s) |
| * running LSI Logic Fusion MPT (Message Passing Technology) firmware. |
| * |
| * Copyright (c) 1999-2005 LSI Logic Corporation |
| * (mailto:mpt_linux_developer@lsil.com) |
| * Copyright (c) 2005 Dell |
| */ |
| /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| /* |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; version 2 of the License. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| NO WARRANTY |
| THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR |
| CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT |
| LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, |
| MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is |
| solely responsible for determining the appropriateness of using and |
| distributing the Program and assumes all risks associated with its |
| exercise of rights under this Agreement, including but not limited to |
| the risks and costs of program errors, damage to or loss of data, |
| programs or equipment, and unavailability or interruption of operations. |
| |
| DISCLAIMER OF LIABILITY |
| NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY |
| DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND |
| ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR |
| TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE |
| USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED |
| HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES |
| |
| You should have received a copy of the GNU General Public License |
| along with this program; if not, write to the Free Software |
| Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| */ |
| /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| |
| #include <linux/module.h> |
| #include <linux/kernel.h> |
| #include <linux/init.h> |
| #include <linux/errno.h> |
| #include <linux/sched.h> |
| #include <linux/workqueue.h> |
| |
| #include <scsi/scsi_cmnd.h> |
| #include <scsi/scsi_device.h> |
| #include <scsi/scsi_host.h> |
| #include <scsi/scsi_transport_sas.h> |
| |
| #include "mptbase.h" |
| #include "mptscsih.h" |
| |
| |
| #define my_NAME "Fusion MPT SAS Host driver" |
| #define my_VERSION MPT_LINUX_VERSION_COMMON |
| #define MYNAM "mptsas" |
| |
| MODULE_AUTHOR(MODULEAUTHOR); |
| MODULE_DESCRIPTION(my_NAME); |
| MODULE_LICENSE("GPL"); |
| |
| static int mpt_pq_filter; |
| module_param(mpt_pq_filter, int, 0); |
| MODULE_PARM_DESC(mpt_pq_filter, |
| "Enable peripheral qualifier filter: enable=1 " |
| "(default=0)"); |
| |
| static int mpt_pt_clear; |
| module_param(mpt_pt_clear, int, 0); |
| MODULE_PARM_DESC(mpt_pt_clear, |
| "Clear persistency table: enable=1 " |
| "(default=MPTSCSIH_PT_CLEAR=0)"); |
| |
| static int mptsasDoneCtx = -1; |
| static int mptsasTaskCtx = -1; |
| static int mptsasInternalCtx = -1; /* Used only for internal commands */ |
| |
| |
| /* |
| * SAS topology structures |
| * |
| * The MPT Fusion firmware interface spreads information about the |
| * SAS topology over many manufacture pages, thus we need some data |
| * structure to collect it and process it for the SAS transport class. |
| */ |
| |
| struct mptsas_devinfo { |
| u16 handle; /* unique id to address this device */ |
| u8 phy_id; /* phy number of parent device */ |
| u8 port_id; /* sas physical port this device |
| is assoc'd with */ |
| u8 target; /* logical target id of this device */ |
| u8 bus; /* logical bus number of this device */ |
| u64 sas_address; /* WWN of this device, |
| SATA is assigned by HBA,expander */ |
| u32 device_info; /* bitfield detailed info about this device */ |
| }; |
| |
| struct mptsas_phyinfo { |
| u8 phy_id; /* phy index */ |
| u8 port_id; /* port number this phy is part of */ |
| u8 negotiated_link_rate; /* nego'd link rate for this phy */ |
| u8 hw_link_rate; /* hardware max/min phys link rate */ |
| u8 programmed_link_rate; /* programmed max/min phy link rate */ |
| struct mptsas_devinfo identify; /* point to phy device info */ |
| struct mptsas_devinfo attached; /* point to attached device info */ |
| struct sas_rphy *rphy; |
| }; |
| |
| struct mptsas_portinfo { |
| struct list_head list; |
| u16 handle; /* unique id to address this */ |
| u8 num_phys; /* number of phys */ |
| struct mptsas_phyinfo *phy_info; |
| }; |
| |
| /* |
| * This is pretty ugly. We will be able to seriously clean it up |
| * once the DV code in mptscsih goes away and we can properly |
| * implement ->target_alloc. |
| */ |
| static int |
| mptsas_slave_alloc(struct scsi_device *device) |
| { |
| struct Scsi_Host *host = device->host; |
| MPT_SCSI_HOST *hd = (MPT_SCSI_HOST *)host->hostdata; |
| struct sas_rphy *rphy; |
| struct mptsas_portinfo *p; |
| VirtDevice *vdev; |
| uint target = device->id; |
| int i; |
| |
| if ((vdev = hd->Targets[target]) != NULL) |
| goto out; |
| |
| vdev = kmalloc(sizeof(VirtDevice), GFP_KERNEL); |
| if (!vdev) { |
| printk(MYIOC_s_ERR_FMT "slave_alloc kmalloc(%zd) FAILED!\n", |
| hd->ioc->name, sizeof(VirtDevice)); |
| return -ENOMEM; |
| } |
| |
| memset(vdev, 0, sizeof(VirtDevice)); |
| vdev->tflags = MPT_TARGET_FLAGS_Q_YES|MPT_TARGET_FLAGS_VALID_INQUIRY; |
| vdev->ioc_id = hd->ioc->id; |
| |
| rphy = dev_to_rphy(device->sdev_target->dev.parent); |
| list_for_each_entry(p, &hd->ioc->sas_topology, list) { |
| for (i = 0; i < p->num_phys; i++) { |
| if (p->phy_info[i].attached.sas_address == |
| rphy->identify.sas_address) { |
| vdev->target_id = |
| p->phy_info[i].attached.target; |
| vdev->bus_id = p->phy_info[i].attached.bus; |
| hd->Targets[device->id] = vdev; |
| goto out; |
| } |
| } |
| } |
| |
| printk("No matching SAS device found!!\n"); |
| kfree(vdev); |
| return -ENODEV; |
| |
| out: |
| vdev->num_luns++; |
| device->hostdata = vdev; |
| return 0; |
| } |
| |
| static struct scsi_host_template mptsas_driver_template = { |
| .proc_name = "mptsas", |
| .proc_info = mptscsih_proc_info, |
| .name = "MPT SPI Host", |
| .info = mptscsih_info, |
| .queuecommand = mptscsih_qcmd, |
| .slave_alloc = mptsas_slave_alloc, |
| .slave_configure = mptscsih_slave_configure, |
| .slave_destroy = mptscsih_slave_destroy, |
| .change_queue_depth = mptscsih_change_queue_depth, |
| .eh_abort_handler = mptscsih_abort, |
| .eh_device_reset_handler = mptscsih_dev_reset, |
| .eh_bus_reset_handler = mptscsih_bus_reset, |
| .eh_host_reset_handler = mptscsih_host_reset, |
| .bios_param = mptscsih_bios_param, |
| .can_queue = MPT_FC_CAN_QUEUE, |
| .this_id = -1, |
| .sg_tablesize = MPT_SCSI_SG_DEPTH, |
| .max_sectors = 8192, |
| .cmd_per_lun = 7, |
| .use_clustering = ENABLE_CLUSTERING, |
| }; |
| |
| static struct sas_function_template mptsas_transport_functions = { |
| }; |
| |
| static struct scsi_transport_template *mptsas_transport_template; |
| |
| #ifdef SASDEBUG |
| static void mptsas_print_phy_data(MPI_SAS_IO_UNIT0_PHY_DATA *phy_data) |
| { |
| printk("---- IO UNIT PAGE 0 ------------\n"); |
| printk("Handle=0x%X\n", |
| le16_to_cpu(phy_data->AttachedDeviceHandle)); |
| printk("Controller Handle=0x%X\n", |
| le16_to_cpu(phy_data->ControllerDevHandle)); |
| printk("Port=0x%X\n", phy_data->Port); |
| printk("Port Flags=0x%X\n", phy_data->PortFlags); |
| printk("PHY Flags=0x%X\n", phy_data->PhyFlags); |
| printk("Negotiated Link Rate=0x%X\n", phy_data->NegotiatedLinkRate); |
| printk("Controller PHY Device Info=0x%X\n", |
| le32_to_cpu(phy_data->ControllerPhyDeviceInfo)); |
| printk("DiscoveryStatus=0x%X\n", |
| le32_to_cpu(phy_data->DiscoveryStatus)); |
| printk("\n"); |
| } |
| |
| static void mptsas_print_phy_pg0(SasPhyPage0_t *pg0) |
| { |
| __le64 sas_address; |
| |
| memcpy(&sas_address, &pg0->SASAddress, sizeof(__le64)); |
| |
| printk("---- SAS PHY PAGE 0 ------------\n"); |
| printk("Attached Device Handle=0x%X\n", |
| le16_to_cpu(pg0->AttachedDevHandle)); |
| printk("SAS Address=0x%llX\n", |
| (unsigned long long)le64_to_cpu(sas_address)); |
| printk("Attached PHY Identifier=0x%X\n", pg0->AttachedPhyIdentifier); |
| printk("Attached Device Info=0x%X\n", |
| le32_to_cpu(pg0->AttachedDeviceInfo)); |
| printk("Programmed Link Rate=0x%X\n", pg0->ProgrammedLinkRate); |
| printk("Change Count=0x%X\n", pg0->ChangeCount); |
| printk("PHY Info=0x%X\n", le32_to_cpu(pg0->PhyInfo)); |
| printk("\n"); |
| } |
| |
| static void mptsas_print_device_pg0(SasDevicePage0_t *pg0) |
| { |
| __le64 sas_address; |
| |
| memcpy(&sas_address, &pg0->SASAddress, sizeof(__le64)); |
| |
| printk("---- SAS DEVICE PAGE 0 ---------\n"); |
| printk("Handle=0x%X\n" ,le16_to_cpu(pg0->DevHandle)); |
| printk("Enclosure Handle=0x%X\n", le16_to_cpu(pg0->EnclosureHandle)); |
| printk("Slot=0x%X\n", le16_to_cpu(pg0->Slot)); |
| printk("SAS Address=0x%llX\n", le64_to_cpu(sas_address)); |
| printk("Target ID=0x%X\n", pg0->TargetID); |
| printk("Bus=0x%X\n", pg0->Bus); |
| printk("PhyNum=0x%X\n", pg0->PhyNum); |
| printk("AccessStatus=0x%X\n", le16_to_cpu(pg0->AccessStatus)); |
| printk("Device Info=0x%X\n", le32_to_cpu(pg0->DeviceInfo)); |
| printk("Flags=0x%X\n", le16_to_cpu(pg0->Flags)); |
| printk("Physical Port=0x%X\n", pg0->PhysicalPort); |
| printk("\n"); |
| } |
| |
| static void mptsas_print_expander_pg1(SasExpanderPage1_t *pg1) |
| { |
| printk("---- SAS EXPANDER PAGE 1 ------------\n"); |
| |
| printk("Physical Port=0x%X\n", pg1->PhysicalPort); |
| printk("PHY Identifier=0x%X\n", pg1->Phy); |
| printk("Negotiated Link Rate=0x%X\n", pg1->NegotiatedLinkRate); |
| printk("Programmed Link Rate=0x%X\n", pg1->ProgrammedLinkRate); |
| printk("Hardware Link Rate=0x%X\n", pg1->HwLinkRate); |
| printk("Owner Device Handle=0x%X\n", |
| le16_to_cpu(pg1->OwnerDevHandle)); |
| printk("Attached Device Handle=0x%X\n", |
| le16_to_cpu(pg1->AttachedDevHandle)); |
| } |
| #else |
| #define mptsas_print_phy_data(phy_data) do { } while (0) |
| #define mptsas_print_phy_pg0(pg0) do { } while (0) |
| #define mptsas_print_device_pg0(pg0) do { } while (0) |
| #define mptsas_print_expander_pg1(pg1) do { } while (0) |
| #endif |
| |
| static int |
| mptsas_sas_io_unit_pg0(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info) |
| { |
| ConfigExtendedPageHeader_t hdr; |
| CONFIGPARMS cfg; |
| SasIOUnitPage0_t *buffer; |
| dma_addr_t dma_handle; |
| int error, i; |
| |
| hdr.PageVersion = MPI_SASIOUNITPAGE0_PAGEVERSION; |
| hdr.ExtPageLength = 0; |
| hdr.PageNumber = 0; |
| hdr.Reserved1 = 0; |
| hdr.Reserved2 = 0; |
| hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED; |
| hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_IO_UNIT; |
| |
| cfg.cfghdr.ehdr = &hdr; |
| cfg.physAddr = -1; |
| cfg.pageAddr = 0; |
| cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; |
| cfg.dir = 0; /* read */ |
| cfg.timeout = 10; |
| |
| error = mpt_config(ioc, &cfg); |
| if (error) |
| goto out; |
| if (!hdr.ExtPageLength) { |
| error = -ENXIO; |
| goto out; |
| } |
| |
| buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4, |
| &dma_handle); |
| if (!buffer) { |
| error = -ENOMEM; |
| goto out; |
| } |
| |
| cfg.physAddr = dma_handle; |
| cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; |
| |
| error = mpt_config(ioc, &cfg); |
| if (error) |
| goto out_free_consistent; |
| |
| port_info->num_phys = buffer->NumPhys; |
| port_info->phy_info = kcalloc(port_info->num_phys, |
| sizeof(struct mptsas_phyinfo),GFP_KERNEL); |
| if (!port_info->phy_info) { |
| error = -ENOMEM; |
| goto out_free_consistent; |
| } |
| |
| for (i = 0; i < port_info->num_phys; i++) { |
| mptsas_print_phy_data(&buffer->PhyData[i]); |
| port_info->phy_info[i].phy_id = i; |
| port_info->phy_info[i].port_id = |
| buffer->PhyData[i].Port; |
| port_info->phy_info[i].negotiated_link_rate = |
| buffer->PhyData[i].NegotiatedLinkRate; |
| } |
| |
| out_free_consistent: |
| pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4, |
| buffer, dma_handle); |
| out: |
| return error; |
| } |
| |
| static int |
| mptsas_sas_phy_pg0(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info, |
| u32 form, u32 form_specific) |
| { |
| ConfigExtendedPageHeader_t hdr; |
| CONFIGPARMS cfg; |
| SasPhyPage0_t *buffer; |
| dma_addr_t dma_handle; |
| int error; |
| |
| hdr.PageVersion = MPI_SASPHY0_PAGEVERSION; |
| hdr.ExtPageLength = 0; |
| hdr.PageNumber = 0; |
| hdr.Reserved1 = 0; |
| hdr.Reserved2 = 0; |
| hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED; |
| hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_PHY; |
| |
| cfg.cfghdr.ehdr = &hdr; |
| cfg.dir = 0; /* read */ |
| cfg.timeout = 10; |
| |
| /* Get Phy Pg 0 for each Phy. */ |
| cfg.physAddr = -1; |
| cfg.pageAddr = form + form_specific; |
| cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; |
| |
| error = mpt_config(ioc, &cfg); |
| if (error) |
| goto out; |
| |
| if (!hdr.ExtPageLength) { |
| error = -ENXIO; |
| goto out; |
| } |
| |
| buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4, |
| &dma_handle); |
| if (!buffer) { |
| error = -ENOMEM; |
| goto out; |
| } |
| |
| cfg.physAddr = dma_handle; |
| cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; |
| |
| error = mpt_config(ioc, &cfg); |
| if (error) |
| goto out_free_consistent; |
| |
| mptsas_print_phy_pg0(buffer); |
| |
| phy_info->hw_link_rate = buffer->HwLinkRate; |
| phy_info->programmed_link_rate = buffer->ProgrammedLinkRate; |
| phy_info->identify.handle = le16_to_cpu(buffer->OwnerDevHandle); |
| phy_info->attached.handle = le16_to_cpu(buffer->AttachedDevHandle); |
| |
| out_free_consistent: |
| pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4, |
| buffer, dma_handle); |
| out: |
| return error; |
| } |
| |
| static int |
| mptsas_sas_device_pg0(MPT_ADAPTER *ioc, struct mptsas_devinfo *device_info, |
| u32 form, u32 form_specific) |
| { |
| ConfigExtendedPageHeader_t hdr; |
| CONFIGPARMS cfg; |
| SasDevicePage0_t *buffer; |
| dma_addr_t dma_handle; |
| __le64 sas_address; |
| int error; |
| |
| hdr.PageVersion = MPI_SASDEVICE0_PAGEVERSION; |
| hdr.ExtPageLength = 0; |
| hdr.PageNumber = 0; |
| hdr.Reserved1 = 0; |
| hdr.Reserved2 = 0; |
| hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED; |
| hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_DEVICE; |
| |
| cfg.cfghdr.ehdr = &hdr; |
| cfg.pageAddr = form + form_specific; |
| cfg.physAddr = -1; |
| cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; |
| cfg.dir = 0; /* read */ |
| cfg.timeout = 10; |
| |
| error = mpt_config(ioc, &cfg); |
| if (error) |
| goto out; |
| if (!hdr.ExtPageLength) { |
| error = -ENXIO; |
| goto out; |
| } |
| |
| buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4, |
| &dma_handle); |
| if (!buffer) { |
| error = -ENOMEM; |
| goto out; |
| } |
| |
| cfg.physAddr = dma_handle; |
| cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; |
| |
| error = mpt_config(ioc, &cfg); |
| if (error) |
| goto out_free_consistent; |
| |
| mptsas_print_device_pg0(buffer); |
| |
| device_info->handle = le16_to_cpu(buffer->DevHandle); |
| device_info->phy_id = buffer->PhyNum; |
| device_info->port_id = buffer->PhysicalPort; |
| device_info->target = buffer->TargetID; |
| device_info->bus = buffer->Bus; |
| memcpy(&sas_address, &buffer->SASAddress, sizeof(__le64)); |
| device_info->sas_address = le64_to_cpu(sas_address); |
| device_info->device_info = |
| le32_to_cpu(buffer->DeviceInfo); |
| |
| out_free_consistent: |
| pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4, |
| buffer, dma_handle); |
| out: |
| return error; |
| } |
| |
| static int |
| mptsas_sas_expander_pg0(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info, |
| u32 form, u32 form_specific) |
| { |
| ConfigExtendedPageHeader_t hdr; |
| CONFIGPARMS cfg; |
| SasExpanderPage0_t *buffer; |
| dma_addr_t dma_handle; |
| int error; |
| |
| hdr.PageVersion = MPI_SASEXPANDER0_PAGEVERSION; |
| hdr.ExtPageLength = 0; |
| hdr.PageNumber = 0; |
| hdr.Reserved1 = 0; |
| hdr.Reserved2 = 0; |
| hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED; |
| hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_EXPANDER; |
| |
| cfg.cfghdr.ehdr = &hdr; |
| cfg.physAddr = -1; |
| cfg.pageAddr = form + form_specific; |
| cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; |
| cfg.dir = 0; /* read */ |
| cfg.timeout = 10; |
| |
| error = mpt_config(ioc, &cfg); |
| if (error) |
| goto out; |
| |
| if (!hdr.ExtPageLength) { |
| error = -ENXIO; |
| goto out; |
| } |
| |
| buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4, |
| &dma_handle); |
| if (!buffer) { |
| error = -ENOMEM; |
| goto out; |
| } |
| |
| cfg.physAddr = dma_handle; |
| cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; |
| |
| error = mpt_config(ioc, &cfg); |
| if (error) |
| goto out_free_consistent; |
| |
| /* save config data */ |
| port_info->num_phys = buffer->NumPhys; |
| port_info->handle = le16_to_cpu(buffer->DevHandle); |
| port_info->phy_info = kcalloc(port_info->num_phys, |
| sizeof(struct mptsas_phyinfo),GFP_KERNEL); |
| if (!port_info->phy_info) { |
| error = -ENOMEM; |
| goto out_free_consistent; |
| } |
| |
| out_free_consistent: |
| pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4, |
| buffer, dma_handle); |
| out: |
| return error; |
| } |
| |
| static int |
| mptsas_sas_expander_pg1(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info, |
| u32 form, u32 form_specific) |
| { |
| ConfigExtendedPageHeader_t hdr; |
| CONFIGPARMS cfg; |
| SasExpanderPage1_t *buffer; |
| dma_addr_t dma_handle; |
| int error; |
| |
| hdr.PageVersion = MPI_SASEXPANDER0_PAGEVERSION; |
| hdr.ExtPageLength = 0; |
| hdr.PageNumber = 1; |
| hdr.Reserved1 = 0; |
| hdr.Reserved2 = 0; |
| hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED; |
| hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_EXPANDER; |
| |
| cfg.cfghdr.ehdr = &hdr; |
| cfg.physAddr = -1; |
| cfg.pageAddr = form + form_specific; |
| cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; |
| cfg.dir = 0; /* read */ |
| cfg.timeout = 10; |
| |
| error = mpt_config(ioc, &cfg); |
| if (error) |
| goto out; |
| |
| if (!hdr.ExtPageLength) { |
| error = -ENXIO; |
| goto out; |
| } |
| |
| buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4, |
| &dma_handle); |
| if (!buffer) { |
| error = -ENOMEM; |
| goto out; |
| } |
| |
| cfg.physAddr = dma_handle; |
| cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; |
| |
| error = mpt_config(ioc, &cfg); |
| if (error) |
| goto out_free_consistent; |
| |
| |
| mptsas_print_expander_pg1(buffer); |
| |
| /* save config data */ |
| phy_info->phy_id = buffer->Phy; |
| phy_info->port_id = buffer->PhysicalPort; |
| phy_info->negotiated_link_rate = buffer->NegotiatedLinkRate; |
| phy_info->programmed_link_rate = buffer->ProgrammedLinkRate; |
| phy_info->hw_link_rate = buffer->HwLinkRate; |
| phy_info->identify.handle = le16_to_cpu(buffer->OwnerDevHandle); |
| phy_info->attached.handle = le16_to_cpu(buffer->AttachedDevHandle); |
| |
| |
| out_free_consistent: |
| pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4, |
| buffer, dma_handle); |
| out: |
| return error; |
| } |
| |
| static void |
| mptsas_parse_device_info(struct sas_identify *identify, |
| struct mptsas_devinfo *device_info) |
| { |
| u16 protocols; |
| |
| identify->sas_address = device_info->sas_address; |
| identify->phy_identifier = device_info->phy_id; |
| |
| /* |
| * Fill in Phy Initiator Port Protocol. |
| * Bits 6:3, more than one bit can be set, fall through cases. |
| */ |
| protocols = device_info->device_info & 0x78; |
| identify->initiator_port_protocols = 0; |
| if (protocols & MPI_SAS_DEVICE_INFO_SSP_INITIATOR) |
| identify->initiator_port_protocols |= SAS_PROTOCOL_SSP; |
| if (protocols & MPI_SAS_DEVICE_INFO_STP_INITIATOR) |
| identify->initiator_port_protocols |= SAS_PROTOCOL_STP; |
| if (protocols & MPI_SAS_DEVICE_INFO_SMP_INITIATOR) |
| identify->initiator_port_protocols |= SAS_PROTOCOL_SMP; |
| if (protocols & MPI_SAS_DEVICE_INFO_SATA_HOST) |
| identify->initiator_port_protocols |= SAS_PROTOCOL_SATA; |
| |
| /* |
| * Fill in Phy Target Port Protocol. |
| * Bits 10:7, more than one bit can be set, fall through cases. |
| */ |
| protocols = device_info->device_info & 0x780; |
| identify->target_port_protocols = 0; |
| if (protocols & MPI_SAS_DEVICE_INFO_SSP_TARGET) |
| identify->target_port_protocols |= SAS_PROTOCOL_SSP; |
| if (protocols & MPI_SAS_DEVICE_INFO_STP_TARGET) |
| identify->target_port_protocols |= SAS_PROTOCOL_STP; |
| if (protocols & MPI_SAS_DEVICE_INFO_SMP_TARGET) |
| identify->target_port_protocols |= SAS_PROTOCOL_SMP; |
| if (protocols & MPI_SAS_DEVICE_INFO_SATA_DEVICE) |
| identify->target_port_protocols |= SAS_PROTOCOL_SATA; |
| |
| /* |
| * Fill in Attached device type. |
| */ |
| switch (device_info->device_info & |
| MPI_SAS_DEVICE_INFO_MASK_DEVICE_TYPE) { |
| case MPI_SAS_DEVICE_INFO_NO_DEVICE: |
| identify->device_type = SAS_PHY_UNUSED; |
| break; |
| case MPI_SAS_DEVICE_INFO_END_DEVICE: |
| identify->device_type = SAS_END_DEVICE; |
| break; |
| case MPI_SAS_DEVICE_INFO_EDGE_EXPANDER: |
| identify->device_type = SAS_EDGE_EXPANDER_DEVICE; |
| break; |
| case MPI_SAS_DEVICE_INFO_FANOUT_EXPANDER: |
| identify->device_type = SAS_FANOUT_EXPANDER_DEVICE; |
| break; |
| } |
| } |
| |
| static int mptsas_probe_one_phy(struct device *dev, |
| struct mptsas_phyinfo *phy_info, int index) |
| { |
| struct sas_phy *port; |
| int error; |
| |
| port = sas_phy_alloc(dev, index); |
| if (!port) |
| return -ENOMEM; |
| |
| port->port_identifier = phy_info->port_id; |
| mptsas_parse_device_info(&port->identify, &phy_info->identify); |
| |
| /* |
| * Set Negotiated link rate. |
| */ |
| switch (phy_info->negotiated_link_rate) { |
| case MPI_SAS_IOUNIT0_RATE_PHY_DISABLED: |
| port->negotiated_linkrate = SAS_PHY_DISABLED; |
| break; |
| case MPI_SAS_IOUNIT0_RATE_FAILED_SPEED_NEGOTIATION: |
| port->negotiated_linkrate = SAS_LINK_RATE_FAILED; |
| break; |
| case MPI_SAS_IOUNIT0_RATE_1_5: |
| port->negotiated_linkrate = SAS_LINK_RATE_1_5_GBPS; |
| break; |
| case MPI_SAS_IOUNIT0_RATE_3_0: |
| port->negotiated_linkrate = SAS_LINK_RATE_3_0_GBPS; |
| break; |
| case MPI_SAS_IOUNIT0_RATE_SATA_OOB_COMPLETE: |
| case MPI_SAS_IOUNIT0_RATE_UNKNOWN: |
| default: |
| port->negotiated_linkrate = SAS_LINK_RATE_UNKNOWN; |
| break; |
| } |
| |
| /* |
| * Set Max hardware link rate. |
| */ |
| switch (phy_info->hw_link_rate & MPI_SAS_PHY0_PRATE_MAX_RATE_MASK) { |
| case MPI_SAS_PHY0_HWRATE_MAX_RATE_1_5: |
| port->maximum_linkrate_hw = SAS_LINK_RATE_1_5_GBPS; |
| break; |
| case MPI_SAS_PHY0_PRATE_MAX_RATE_3_0: |
| port->maximum_linkrate_hw = SAS_LINK_RATE_3_0_GBPS; |
| break; |
| default: |
| break; |
| } |
| |
| /* |
| * Set Max programmed link rate. |
| */ |
| switch (phy_info->programmed_link_rate & |
| MPI_SAS_PHY0_PRATE_MAX_RATE_MASK) { |
| case MPI_SAS_PHY0_PRATE_MAX_RATE_1_5: |
| port->maximum_linkrate = SAS_LINK_RATE_1_5_GBPS; |
| break; |
| case MPI_SAS_PHY0_PRATE_MAX_RATE_3_0: |
| port->maximum_linkrate = SAS_LINK_RATE_3_0_GBPS; |
| break; |
| default: |
| break; |
| } |
| |
| /* |
| * Set Min hardware link rate. |
| */ |
| switch (phy_info->hw_link_rate & MPI_SAS_PHY0_HWRATE_MIN_RATE_MASK) { |
| case MPI_SAS_PHY0_HWRATE_MIN_RATE_1_5: |
| port->minimum_linkrate_hw = SAS_LINK_RATE_1_5_GBPS; |
| break; |
| case MPI_SAS_PHY0_PRATE_MIN_RATE_3_0: |
| port->minimum_linkrate_hw = SAS_LINK_RATE_3_0_GBPS; |
| break; |
| default: |
| break; |
| } |
| |
| /* |
| * Set Min programmed link rate. |
| */ |
| switch (phy_info->programmed_link_rate & |
| MPI_SAS_PHY0_PRATE_MIN_RATE_MASK) { |
| case MPI_SAS_PHY0_PRATE_MIN_RATE_1_5: |
| port->minimum_linkrate = SAS_LINK_RATE_1_5_GBPS; |
| break; |
| case MPI_SAS_PHY0_PRATE_MIN_RATE_3_0: |
| port->minimum_linkrate = SAS_LINK_RATE_3_0_GBPS; |
| break; |
| default: |
| break; |
| } |
| |
| error = sas_phy_add(port); |
| if (error) { |
| sas_phy_free(port); |
| return error; |
| } |
| |
| if (phy_info->attached.handle) { |
| struct sas_rphy *rphy; |
| |
| rphy = sas_rphy_alloc(port); |
| if (!rphy) |
| return 0; /* non-fatal: an rphy can be added later */ |
| |
| mptsas_parse_device_info(&rphy->identify, &phy_info->attached); |
| error = sas_rphy_add(rphy); |
| if (error) { |
| sas_rphy_free(rphy); |
| return error; |
| } |
| |
| phy_info->rphy = rphy; |
| } |
| |
| return 0; |
| } |
| |
| static int |
| mptsas_probe_hba_phys(MPT_ADAPTER *ioc, int *index) |
| { |
| struct mptsas_portinfo *port_info; |
| u32 handle = 0xFFFF; |
| int error = -ENOMEM, i; |
| |
| port_info = kmalloc(sizeof(*port_info), GFP_KERNEL); |
| if (!port_info) |
| goto out; |
| memset(port_info, 0, sizeof(*port_info)); |
| |
| error = mptsas_sas_io_unit_pg0(ioc, port_info); |
| if (error) |
| goto out_free_port_info; |
| |
| list_add_tail(&port_info->list, &ioc->sas_topology); |
| |
| for (i = 0; i < port_info->num_phys; i++) { |
| mptsas_sas_phy_pg0(ioc, &port_info->phy_info[i], |
| (MPI_SAS_PHY_PGAD_FORM_PHY_NUMBER << |
| MPI_SAS_PHY_PGAD_FORM_SHIFT), i); |
| |
| mptsas_sas_device_pg0(ioc, &port_info->phy_info[i].identify, |
| (MPI_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE << |
| MPI_SAS_DEVICE_PGAD_FORM_SHIFT), handle); |
| handle = port_info->phy_info[i].identify.handle; |
| |
| if (port_info->phy_info[i].attached.handle) { |
| mptsas_sas_device_pg0(ioc, |
| &port_info->phy_info[i].attached, |
| (MPI_SAS_DEVICE_PGAD_FORM_HANDLE << |
| MPI_SAS_DEVICE_PGAD_FORM_SHIFT), |
| port_info->phy_info[i].attached.handle); |
| } |
| |
| mptsas_probe_one_phy(&ioc->sh->shost_gendev, |
| &port_info->phy_info[i], *index); |
| (*index)++; |
| } |
| |
| return 0; |
| |
| out_free_port_info: |
| kfree(port_info); |
| out: |
| return error; |
| } |
| |
| static int |
| mptsas_probe_expander_phys(MPT_ADAPTER *ioc, u32 *handle, int *index) |
| { |
| struct mptsas_portinfo *port_info, *p; |
| int error = -ENOMEM, i, j; |
| |
| port_info = kmalloc(sizeof(*port_info), GFP_KERNEL); |
| if (!port_info) |
| goto out; |
| memset(port_info, 0, sizeof(*port_info)); |
| |
| error = mptsas_sas_expander_pg0(ioc, port_info, |
| (MPI_SAS_EXPAND_PGAD_FORM_GET_NEXT_HANDLE << |
| MPI_SAS_EXPAND_PGAD_FORM_SHIFT), *handle); |
| if (error) |
| goto out_free_port_info; |
| |
| *handle = port_info->handle; |
| |
| list_add_tail(&port_info->list, &ioc->sas_topology); |
| for (i = 0; i < port_info->num_phys; i++) { |
| struct device *parent; |
| |
| mptsas_sas_expander_pg1(ioc, &port_info->phy_info[i], |
| (MPI_SAS_EXPAND_PGAD_FORM_HANDLE_PHY_NUM << |
| MPI_SAS_EXPAND_PGAD_FORM_SHIFT), (i << 16) + *handle); |
| |
| if (port_info->phy_info[i].identify.handle) { |
| mptsas_sas_device_pg0(ioc, |
| &port_info->phy_info[i].identify, |
| (MPI_SAS_DEVICE_PGAD_FORM_HANDLE << |
| MPI_SAS_DEVICE_PGAD_FORM_SHIFT), |
| port_info->phy_info[i].identify.handle); |
| } |
| |
| if (port_info->phy_info[i].attached.handle) { |
| mptsas_sas_device_pg0(ioc, |
| &port_info->phy_info[i].attached, |
| (MPI_SAS_DEVICE_PGAD_FORM_HANDLE << |
| MPI_SAS_DEVICE_PGAD_FORM_SHIFT), |
| port_info->phy_info[i].attached.handle); |
| } |
| |
| /* |
| * If we find a parent port handle this expander is |
| * attached to another expander, else it hangs of the |
| * HBA phys. |
| */ |
| parent = &ioc->sh->shost_gendev; |
| list_for_each_entry(p, &ioc->sas_topology, list) { |
| for (j = 0; j < p->num_phys; j++) { |
| if (port_info->phy_info[i].identify.handle == |
| p->phy_info[j].attached.handle) |
| parent = &p->phy_info[j].rphy->dev; |
| } |
| } |
| |
| mptsas_probe_one_phy(parent, &port_info->phy_info[i], *index); |
| (*index)++; |
| } |
| |
| return 0; |
| |
| out_free_port_info: |
| kfree(port_info); |
| out: |
| return error; |
| } |
| |
| static void |
| mptsas_scan_sas_topology(MPT_ADAPTER *ioc) |
| { |
| u32 handle = 0xFFFF; |
| int index = 0; |
| |
| mptsas_probe_hba_phys(ioc, &index); |
| while (!mptsas_probe_expander_phys(ioc, &handle, &index)) |
| ; |
| } |
| |
| static int |
| mptsas_probe(struct pci_dev *pdev, const struct pci_device_id *id) |
| { |
| struct Scsi_Host *sh; |
| MPT_SCSI_HOST *hd; |
| MPT_ADAPTER *ioc; |
| unsigned long flags; |
| int sz, ii; |
| int numSGE = 0; |
| int scale; |
| int ioc_cap; |
| u8 *mem; |
| int error=0; |
| int r; |
| |
| r = mpt_attach(pdev,id); |
| if (r) |
| return r; |
| |
| ioc = pci_get_drvdata(pdev); |
| ioc->DoneCtx = mptsasDoneCtx; |
| ioc->TaskCtx = mptsasTaskCtx; |
| ioc->InternalCtx = mptsasInternalCtx; |
| |
| /* Added sanity check on readiness of the MPT adapter. |
| */ |
| if (ioc->last_state != MPI_IOC_STATE_OPERATIONAL) { |
| printk(MYIOC_s_WARN_FMT |
| "Skipping because it's not operational!\n", |
| ioc->name); |
| return -ENODEV; |
| } |
| |
| if (!ioc->active) { |
| printk(MYIOC_s_WARN_FMT "Skipping because it's disabled!\n", |
| ioc->name); |
| return -ENODEV; |
| } |
| |
| /* Sanity check - ensure at least 1 port is INITIATOR capable |
| */ |
| ioc_cap = 0; |
| for (ii = 0; ii < ioc->facts.NumberOfPorts; ii++) { |
| if (ioc->pfacts[ii].ProtocolFlags & |
| MPI_PORTFACTS_PROTOCOL_INITIATOR) |
| ioc_cap++; |
| } |
| |
| if (!ioc_cap) { |
| printk(MYIOC_s_WARN_FMT |
| "Skipping ioc=%p because SCSI Initiator mode " |
| "is NOT enabled!\n", ioc->name, ioc); |
| return -ENODEV; |
| } |
| |
| sh = scsi_host_alloc(&mptsas_driver_template, sizeof(MPT_SCSI_HOST)); |
| if (!sh) { |
| printk(MYIOC_s_WARN_FMT |
| "Unable to register controller with SCSI subsystem\n", |
| ioc->name); |
| return -1; |
| } |
| |
| spin_lock_irqsave(&ioc->FreeQlock, flags); |
| |
| /* Attach the SCSI Host to the IOC structure |
| */ |
| ioc->sh = sh; |
| |
| sh->io_port = 0; |
| sh->n_io_port = 0; |
| sh->irq = 0; |
| |
| /* set 16 byte cdb's */ |
| sh->max_cmd_len = 16; |
| |
| sh->max_id = ioc->pfacts->MaxDevices + 1; |
| |
| sh->transportt = mptsas_transport_template; |
| |
| sh->max_lun = MPT_LAST_LUN + 1; |
| sh->max_channel = 0; |
| sh->this_id = ioc->pfacts[0].PortSCSIID; |
| |
| /* Required entry. |
| */ |
| sh->unique_id = ioc->id; |
| |
| INIT_LIST_HEAD(&ioc->sas_topology); |
| |
| /* Verify that we won't exceed the maximum |
| * number of chain buffers |
| * We can optimize: ZZ = req_sz/sizeof(SGE) |
| * For 32bit SGE's: |
| * numSGE = 1 + (ZZ-1)*(maxChain -1) + ZZ |
| * + (req_sz - 64)/sizeof(SGE) |
| * A slightly different algorithm is required for |
| * 64bit SGEs. |
| */ |
| scale = ioc->req_sz/(sizeof(dma_addr_t) + sizeof(u32)); |
| if (sizeof(dma_addr_t) == sizeof(u64)) { |
| numSGE = (scale - 1) * |
| (ioc->facts.MaxChainDepth-1) + scale + |
| (ioc->req_sz - 60) / (sizeof(dma_addr_t) + |
| sizeof(u32)); |
| } else { |
| numSGE = 1 + (scale - 1) * |
| (ioc->facts.MaxChainDepth-1) + scale + |
| (ioc->req_sz - 64) / (sizeof(dma_addr_t) + |
| sizeof(u32)); |
| } |
| |
| if (numSGE < sh->sg_tablesize) { |
| /* Reset this value */ |
| dprintk((MYIOC_s_INFO_FMT |
| "Resetting sg_tablesize to %d from %d\n", |
| ioc->name, numSGE, sh->sg_tablesize)); |
| sh->sg_tablesize = numSGE; |
| } |
| |
| spin_unlock_irqrestore(&ioc->FreeQlock, flags); |
| |
| hd = (MPT_SCSI_HOST *) sh->hostdata; |
| hd->ioc = ioc; |
| |
| /* SCSI needs scsi_cmnd lookup table! |
| * (with size equal to req_depth*PtrSz!) |
| */ |
| sz = ioc->req_depth * sizeof(void *); |
| mem = kmalloc(sz, GFP_ATOMIC); |
| if (mem == NULL) { |
| error = -ENOMEM; |
| goto mptsas_probe_failed; |
| } |
| |
| memset(mem, 0, sz); |
| hd->ScsiLookup = (struct scsi_cmnd **) mem; |
| |
| dprintk((MYIOC_s_INFO_FMT "ScsiLookup @ %p, sz=%d\n", |
| ioc->name, hd->ScsiLookup, sz)); |
| |
| /* Allocate memory for the device structures. |
| * A non-Null pointer at an offset |
| * indicates a device exists. |
| * max_id = 1 + maximum id (hosts.h) |
| */ |
| sz = sh->max_id * sizeof(void *); |
| mem = kmalloc(sz, GFP_ATOMIC); |
| if (mem == NULL) { |
| error = -ENOMEM; |
| goto mptsas_probe_failed; |
| } |
| |
| memset(mem, 0, sz); |
| hd->Targets = (VirtDevice **) mem; |
| |
| dprintk((KERN_INFO |
| " Targets @ %p, sz=%d\n", hd->Targets, sz)); |
| |
| /* Clear the TM flags |
| */ |
| hd->tmPending = 0; |
| hd->tmState = TM_STATE_NONE; |
| hd->resetPending = 0; |
| hd->abortSCpnt = NULL; |
| |
| /* Clear the pointer used to store |
| * single-threaded commands, i.e., those |
| * issued during a bus scan, dv and |
| * configuration pages. |
| */ |
| hd->cmdPtr = NULL; |
| |
| /* Initialize this SCSI Hosts' timers |
| * To use, set the timer expires field |
| * and add_timer |
| */ |
| init_timer(&hd->timer); |
| hd->timer.data = (unsigned long) hd; |
| hd->timer.function = mptscsih_timer_expired; |
| |
| hd->mpt_pq_filter = mpt_pq_filter; |
| ioc->sas_data.ptClear = mpt_pt_clear; |
| |
| if (ioc->sas_data.ptClear==1) { |
| mptbase_sas_persist_operation( |
| ioc, MPI_SAS_OP_CLEAR_ALL_PERSISTENT); |
| } |
| |
| ddvprintk((MYIOC_s_INFO_FMT |
| "mpt_pq_filter %x mpt_pq_filter %x\n", |
| ioc->name, |
| mpt_pq_filter, |
| mpt_pq_filter)); |
| |
| init_waitqueue_head(&hd->scandv_waitq); |
| hd->scandv_wait_done = 0; |
| hd->last_queue_full = 0; |
| |
| error = scsi_add_host(sh, &ioc->pcidev->dev); |
| if (error) { |
| dprintk((KERN_ERR MYNAM |
| "scsi_add_host failed\n")); |
| goto mptsas_probe_failed; |
| } |
| |
| mptsas_scan_sas_topology(ioc); |
| |
| return 0; |
| |
| mptsas_probe_failed: |
| |
| mptscsih_remove(pdev); |
| return error; |
| } |
| |
| static void __devexit mptsas_remove(struct pci_dev *pdev) |
| { |
| MPT_ADAPTER *ioc = pci_get_drvdata(pdev); |
| struct mptsas_portinfo *p, *n; |
| |
| sas_remove_host(ioc->sh); |
| |
| list_for_each_entry_safe(p, n, &ioc->sas_topology, list) { |
| list_del(&p->list); |
| kfree(p); |
| } |
| |
| mptscsih_remove(pdev); |
| } |
| |
| static struct pci_device_id mptsas_pci_table[] = { |
| { PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_SAS1064, |
| PCI_ANY_ID, PCI_ANY_ID }, |
| { PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_SAS1066, |
| PCI_ANY_ID, PCI_ANY_ID }, |
| { PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_SAS1068, |
| PCI_ANY_ID, PCI_ANY_ID }, |
| { PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_SAS1064E, |
| PCI_ANY_ID, PCI_ANY_ID }, |
| { PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_SAS1066E, |
| PCI_ANY_ID, PCI_ANY_ID }, |
| { PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_SAS1068E, |
| PCI_ANY_ID, PCI_ANY_ID }, |
| {0} /* Terminating entry */ |
| }; |
| MODULE_DEVICE_TABLE(pci, mptsas_pci_table); |
| |
| |
| static struct pci_driver mptsas_driver = { |
| .name = "mptsas", |
| .id_table = mptsas_pci_table, |
| .probe = mptsas_probe, |
| .remove = __devexit_p(mptsas_remove), |
| .shutdown = mptscsih_shutdown, |
| #ifdef CONFIG_PM |
| .suspend = mptscsih_suspend, |
| .resume = mptscsih_resume, |
| #endif |
| }; |
| |
| static int __init |
| mptsas_init(void) |
| { |
| show_mptmod_ver(my_NAME, my_VERSION); |
| |
| mptsas_transport_template = |
| sas_attach_transport(&mptsas_transport_functions); |
| if (!mptsas_transport_template) |
| return -ENODEV; |
| |
| mptsasDoneCtx = mpt_register(mptscsih_io_done, MPTSAS_DRIVER); |
| mptsasTaskCtx = mpt_register(mptscsih_taskmgmt_complete, MPTSAS_DRIVER); |
| mptsasInternalCtx = |
| mpt_register(mptscsih_scandv_complete, MPTSAS_DRIVER); |
| |
| if (mpt_event_register(mptsasDoneCtx, mptscsih_event_process) == 0) { |
| devtprintk((KERN_INFO MYNAM |
| ": Registered for IOC event notifications\n")); |
| } |
| |
| if (mpt_reset_register(mptsasDoneCtx, mptscsih_ioc_reset) == 0) { |
| dprintk((KERN_INFO MYNAM |
| ": Registered for IOC reset notifications\n")); |
| } |
| |
| return pci_register_driver(&mptsas_driver); |
| } |
| |
| static void __exit |
| mptsas_exit(void) |
| { |
| pci_unregister_driver(&mptsas_driver); |
| sas_release_transport(mptsas_transport_template); |
| |
| mpt_reset_deregister(mptsasDoneCtx); |
| mpt_event_deregister(mptsasDoneCtx); |
| |
| mpt_deregister(mptsasInternalCtx); |
| mpt_deregister(mptsasTaskCtx); |
| mpt_deregister(mptsasDoneCtx); |
| } |
| |
| module_init(mptsas_init); |
| module_exit(mptsas_exit); |