| /** |
| * \file drm_proc.c |
| * /proc support for DRM |
| * |
| * \author Rickard E. (Rik) Faith <faith@valinux.com> |
| * \author Gareth Hughes <gareth@valinux.com> |
| * |
| * \par Acknowledgements: |
| * Matthew J Sottek <matthew.j.sottek@intel.com> sent in a patch to fix |
| * the problem with the proc files not outputting all their information. |
| */ |
| |
| /* |
| * Created: Mon Jan 11 09:48:47 1999 by faith@valinux.com |
| * |
| * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. |
| * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. |
| * All Rights Reserved. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the next |
| * paragraph) shall be included in all copies or substantial portions of the |
| * Software. |
| * |
| * 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 |
| * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS 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 "drmP.h" |
| |
| static int drm_name_info(char *buf, char **start, off_t offset, |
| int request, int *eof, void *data); |
| static int drm_vm_info(char *buf, char **start, off_t offset, |
| int request, int *eof, void *data); |
| static int drm_clients_info(char *buf, char **start, off_t offset, |
| int request, int *eof, void *data); |
| static int drm_queues_info(char *buf, char **start, off_t offset, |
| int request, int *eof, void *data); |
| static int drm_bufs_info(char *buf, char **start, off_t offset, |
| int request, int *eof, void *data); |
| static int drm_vblank_info(char *buf, char **start, off_t offset, |
| int request, int *eof, void *data); |
| static int drm_gem_name_info(char *buf, char **start, off_t offset, |
| int request, int *eof, void *data); |
| static int drm_gem_object_info(char *buf, char **start, off_t offset, |
| int request, int *eof, void *data); |
| #if DRM_DEBUG_CODE |
| static int drm_vma_info(char *buf, char **start, off_t offset, |
| int request, int *eof, void *data); |
| #endif |
| |
| /** |
| * Proc file list. |
| */ |
| static struct drm_proc_list { |
| const char *name; /**< file name */ |
| int (*f) (char *, char **, off_t, int, int *, void *); /**< proc callback*/ |
| u32 driver_features; /**< Required driver features for this entry */ |
| } drm_proc_list[] = { |
| {"name", drm_name_info, 0}, |
| {"mem", drm_mem_info, 0}, |
| {"vm", drm_vm_info, 0}, |
| {"clients", drm_clients_info, 0}, |
| {"queues", drm_queues_info, 0}, |
| {"bufs", drm_bufs_info, 0}, |
| {"vblank", drm_vblank_info, 0}, |
| {"gem_names", drm_gem_name_info, DRIVER_GEM}, |
| {"gem_objects", drm_gem_object_info, DRIVER_GEM}, |
| #if DRM_DEBUG_CODE |
| {"vma", drm_vma_info}, |
| #endif |
| }; |
| |
| #define DRM_PROC_ENTRIES ARRAY_SIZE(drm_proc_list) |
| |
| /** |
| * Initialize the DRI proc filesystem for a device. |
| * |
| * \param dev DRM device. |
| * \param minor device minor number. |
| * \param root DRI proc dir entry. |
| * \param dev_root resulting DRI device proc dir entry. |
| * \return root entry pointer on success, or NULL on failure. |
| * |
| * Create the DRI proc root entry "/proc/dri", the device proc root entry |
| * "/proc/dri/%minor%/", and each entry in proc_list as |
| * "/proc/dri/%minor%/%name%". |
| */ |
| int drm_proc_init(struct drm_minor *minor, int minor_id, |
| struct proc_dir_entry *root) |
| { |
| struct drm_device *dev = minor->dev; |
| struct proc_dir_entry *ent; |
| int i, j, ret; |
| char name[64]; |
| |
| sprintf(name, "%d", minor_id); |
| minor->dev_root = proc_mkdir(name, root); |
| if (!minor->dev_root) { |
| DRM_ERROR("Cannot create /proc/dri/%s\n", name); |
| return -1; |
| } |
| |
| for (i = 0; i < DRM_PROC_ENTRIES; i++) { |
| u32 features = drm_proc_list[i].driver_features; |
| |
| if (features != 0 && |
| (dev->driver->driver_features & features) != features) |
| continue; |
| |
| ent = create_proc_entry(drm_proc_list[i].name, |
| S_IFREG | S_IRUGO, minor->dev_root); |
| if (!ent) { |
| DRM_ERROR("Cannot create /proc/dri/%s/%s\n", |
| name, drm_proc_list[i].name); |
| ret = -1; |
| goto fail; |
| } |
| ent->read_proc = drm_proc_list[i].f; |
| ent->data = minor; |
| } |
| |
| if (dev->driver->proc_init) { |
| ret = dev->driver->proc_init(minor); |
| if (ret) { |
| DRM_ERROR("DRM: Driver failed to initialize " |
| "/proc/dri.\n"); |
| goto fail; |
| } |
| } |
| |
| return 0; |
| fail: |
| |
| for (j = 0; j < i; j++) |
| remove_proc_entry(drm_proc_list[i].name, |
| minor->dev_root); |
| remove_proc_entry(name, root); |
| minor->dev_root = NULL; |
| return ret; |
| } |
| |
| /** |
| * Cleanup the proc filesystem resources. |
| * |
| * \param minor device minor number. |
| * \param root DRI proc dir entry. |
| * \param dev_root DRI device proc dir entry. |
| * \return always zero. |
| * |
| * Remove all proc entries created by proc_init(). |
| */ |
| int drm_proc_cleanup(struct drm_minor *minor, struct proc_dir_entry *root) |
| { |
| struct drm_device *dev = minor->dev; |
| int i; |
| char name[64]; |
| |
| if (!root || !minor->dev_root) |
| return 0; |
| |
| if (dev->driver->proc_cleanup) |
| dev->driver->proc_cleanup(minor); |
| |
| for (i = 0; i < DRM_PROC_ENTRIES; i++) |
| remove_proc_entry(drm_proc_list[i].name, minor->dev_root); |
| sprintf(name, "%d", minor->index); |
| remove_proc_entry(name, root); |
| |
| return 0; |
| } |
| |
| /** |
| * Called when "/proc/dri/.../name" is read. |
| * |
| * \param buf output buffer. |
| * \param start start of output data. |
| * \param offset requested start offset. |
| * \param request requested number of bytes. |
| * \param eof whether there is no more data to return. |
| * \param data private data. |
| * \return number of written bytes. |
| * |
| * Prints the device name together with the bus id if available. |
| */ |
| static int drm_name_info(char *buf, char **start, off_t offset, int request, |
| int *eof, void *data) |
| { |
| struct drm_minor *minor = (struct drm_minor *) data; |
| struct drm_master *master = minor->master; |
| struct drm_device *dev = minor->dev; |
| int len = 0; |
| |
| if (offset > DRM_PROC_LIMIT) { |
| *eof = 1; |
| return 0; |
| } |
| |
| if (!master) |
| return 0; |
| |
| *start = &buf[offset]; |
| *eof = 0; |
| |
| if (master->unique) { |
| DRM_PROC_PRINT("%s %s %s\n", |
| dev->driver->pci_driver.name, |
| pci_name(dev->pdev), master->unique); |
| } else { |
| DRM_PROC_PRINT("%s %s\n", dev->driver->pci_driver.name, |
| pci_name(dev->pdev)); |
| } |
| |
| if (len > request + offset) |
| return request; |
| *eof = 1; |
| return len - offset; |
| } |
| |
| /** |
| * Called when "/proc/dri/.../vm" is read. |
| * |
| * \param buf output buffer. |
| * \param start start of output data. |
| * \param offset requested start offset. |
| * \param request requested number of bytes. |
| * \param eof whether there is no more data to return. |
| * \param data private data. |
| * \return number of written bytes. |
| * |
| * Prints information about all mappings in drm_device::maplist. |
| */ |
| static int drm__vm_info(char *buf, char **start, off_t offset, int request, |
| int *eof, void *data) |
| { |
| struct drm_minor *minor = (struct drm_minor *) data; |
| struct drm_device *dev = minor->dev; |
| int len = 0; |
| struct drm_local_map *map; |
| struct drm_map_list *r_list; |
| |
| /* Hardcoded from _DRM_FRAME_BUFFER, |
| _DRM_REGISTERS, _DRM_SHM, _DRM_AGP, and |
| _DRM_SCATTER_GATHER and _DRM_CONSISTENT */ |
| const char *types[] = { "FB", "REG", "SHM", "AGP", "SG", "PCI" }; |
| const char *type; |
| int i; |
| |
| if (offset > DRM_PROC_LIMIT) { |
| *eof = 1; |
| return 0; |
| } |
| |
| *start = &buf[offset]; |
| *eof = 0; |
| |
| DRM_PROC_PRINT("slot offset size type flags " |
| "address mtrr\n\n"); |
| i = 0; |
| list_for_each_entry(r_list, &dev->maplist, head) { |
| map = r_list->map; |
| if (!map) |
| continue; |
| if (map->type < 0 || map->type > 5) |
| type = "??"; |
| else |
| type = types[map->type]; |
| DRM_PROC_PRINT("%4d 0x%08lx 0x%08lx %4.4s 0x%02x 0x%08lx ", |
| i, |
| map->offset, |
| map->size, type, map->flags, |
| (unsigned long) r_list->user_token); |
| if (map->mtrr < 0) { |
| DRM_PROC_PRINT("none\n"); |
| } else { |
| DRM_PROC_PRINT("%4d\n", map->mtrr); |
| } |
| i++; |
| } |
| |
| if (len > request + offset) |
| return request; |
| *eof = 1; |
| return len - offset; |
| } |
| |
| /** |
| * Simply calls _vm_info() while holding the drm_device::struct_mutex lock. |
| */ |
| static int drm_vm_info(char *buf, char **start, off_t offset, int request, |
| int *eof, void *data) |
| { |
| struct drm_minor *minor = (struct drm_minor *) data; |
| struct drm_device *dev = minor->dev; |
| int ret; |
| |
| mutex_lock(&dev->struct_mutex); |
| ret = drm__vm_info(buf, start, offset, request, eof, data); |
| mutex_unlock(&dev->struct_mutex); |
| return ret; |
| } |
| |
| /** |
| * Called when "/proc/dri/.../queues" is read. |
| * |
| * \param buf output buffer. |
| * \param start start of output data. |
| * \param offset requested start offset. |
| * \param request requested number of bytes. |
| * \param eof whether there is no more data to return. |
| * \param data private data. |
| * \return number of written bytes. |
| */ |
| static int drm__queues_info(char *buf, char **start, off_t offset, |
| int request, int *eof, void *data) |
| { |
| struct drm_minor *minor = (struct drm_minor *) data; |
| struct drm_device *dev = minor->dev; |
| int len = 0; |
| int i; |
| struct drm_queue *q; |
| |
| if (offset > DRM_PROC_LIMIT) { |
| *eof = 1; |
| return 0; |
| } |
| |
| *start = &buf[offset]; |
| *eof = 0; |
| |
| DRM_PROC_PRINT(" ctx/flags use fin" |
| " blk/rw/rwf wait flushed queued" |
| " locks\n\n"); |
| for (i = 0; i < dev->queue_count; i++) { |
| q = dev->queuelist[i]; |
| atomic_inc(&q->use_count); |
| DRM_PROC_PRINT_RET(atomic_dec(&q->use_count), |
| "%5d/0x%03x %5d %5d" |
| " %5d/%c%c/%c%c%c %5Zd\n", |
| i, |
| q->flags, |
| atomic_read(&q->use_count), |
| atomic_read(&q->finalization), |
| atomic_read(&q->block_count), |
| atomic_read(&q->block_read) ? 'r' : '-', |
| atomic_read(&q->block_write) ? 'w' : '-', |
| waitqueue_active(&q->read_queue) ? 'r' : '-', |
| waitqueue_active(&q-> |
| write_queue) ? 'w' : '-', |
| waitqueue_active(&q-> |
| flush_queue) ? 'f' : '-', |
| DRM_BUFCOUNT(&q->waitlist)); |
| atomic_dec(&q->use_count); |
| } |
| |
| if (len > request + offset) |
| return request; |
| *eof = 1; |
| return len - offset; |
| } |
| |
| /** |
| * Simply calls _queues_info() while holding the drm_device::struct_mutex lock. |
| */ |
| static int drm_queues_info(char *buf, char **start, off_t offset, int request, |
| int *eof, void *data) |
| { |
| struct drm_minor *minor = (struct drm_minor *) data; |
| struct drm_device *dev = minor->dev; |
| int ret; |
| |
| mutex_lock(&dev->struct_mutex); |
| ret = drm__queues_info(buf, start, offset, request, eof, data); |
| mutex_unlock(&dev->struct_mutex); |
| return ret; |
| } |
| |
| /** |
| * Called when "/proc/dri/.../bufs" is read. |
| * |
| * \param buf output buffer. |
| * \param start start of output data. |
| * \param offset requested start offset. |
| * \param request requested number of bytes. |
| * \param eof whether there is no more data to return. |
| * \param data private data. |
| * \return number of written bytes. |
| */ |
| static int drm__bufs_info(char *buf, char **start, off_t offset, int request, |
| int *eof, void *data) |
| { |
| struct drm_minor *minor = (struct drm_minor *) data; |
| struct drm_device *dev = minor->dev; |
| int len = 0; |
| struct drm_device_dma *dma = dev->dma; |
| int i; |
| |
| if (!dma || offset > DRM_PROC_LIMIT) { |
| *eof = 1; |
| return 0; |
| } |
| |
| *start = &buf[offset]; |
| *eof = 0; |
| |
| DRM_PROC_PRINT(" o size count free segs pages kB\n\n"); |
| for (i = 0; i <= DRM_MAX_ORDER; i++) { |
| if (dma->bufs[i].buf_count) |
| DRM_PROC_PRINT("%2d %8d %5d %5d %5d %5d %5ld\n", |
| i, |
| dma->bufs[i].buf_size, |
| dma->bufs[i].buf_count, |
| atomic_read(&dma->bufs[i] |
| .freelist.count), |
| dma->bufs[i].seg_count, |
| dma->bufs[i].seg_count |
| * (1 << dma->bufs[i].page_order), |
| (dma->bufs[i].seg_count |
| * (1 << dma->bufs[i].page_order)) |
| * PAGE_SIZE / 1024); |
| } |
| DRM_PROC_PRINT("\n"); |
| for (i = 0; i < dma->buf_count; i++) { |
| if (i && !(i % 32)) |
| DRM_PROC_PRINT("\n"); |
| DRM_PROC_PRINT(" %d", dma->buflist[i]->list); |
| } |
| DRM_PROC_PRINT("\n"); |
| |
| if (len > request + offset) |
| return request; |
| *eof = 1; |
| return len - offset; |
| } |
| |
| /** |
| * Simply calls _bufs_info() while holding the drm_device::struct_mutex lock. |
| */ |
| static int drm_bufs_info(char *buf, char **start, off_t offset, int request, |
| int *eof, void *data) |
| { |
| struct drm_minor *minor = (struct drm_minor *) data; |
| struct drm_device *dev = minor->dev; |
| int ret; |
| |
| mutex_lock(&dev->struct_mutex); |
| ret = drm__bufs_info(buf, start, offset, request, eof, data); |
| mutex_unlock(&dev->struct_mutex); |
| return ret; |
| } |
| |
| /** |
| * Called when "/proc/dri/.../vblank" is read. |
| * |
| * \param buf output buffer. |
| * \param start start of output data. |
| * \param offset requested start offset. |
| * \param request requested number of bytes. |
| * \param eof whether there is no more data to return. |
| * \param data private data. |
| * \return number of written bytes. |
| */ |
| static int drm__vblank_info(char *buf, char **start, off_t offset, int request, |
| int *eof, void *data) |
| { |
| struct drm_minor *minor = (struct drm_minor *) data; |
| struct drm_device *dev = minor->dev; |
| int len = 0; |
| int crtc; |
| |
| if (offset > DRM_PROC_LIMIT) { |
| *eof = 1; |
| return 0; |
| } |
| |
| *start = &buf[offset]; |
| *eof = 0; |
| |
| for (crtc = 0; crtc < dev->num_crtcs; crtc++) { |
| DRM_PROC_PRINT("CRTC %d enable: %d\n", |
| crtc, atomic_read(&dev->vblank_refcount[crtc])); |
| DRM_PROC_PRINT("CRTC %d counter: %d\n", |
| crtc, drm_vblank_count(dev, crtc)); |
| DRM_PROC_PRINT("CRTC %d last wait: %d\n", |
| crtc, dev->last_vblank_wait[crtc]); |
| DRM_PROC_PRINT("CRTC %d in modeset: %d\n", |
| crtc, dev->vblank_inmodeset[crtc]); |
| } |
| |
| if (len > request + offset) |
| return request; |
| *eof = 1; |
| return len - offset; |
| } |
| |
| /** |
| * Simply calls _vblank_info() while holding the drm_device::struct_mutex lock. |
| */ |
| static int drm_vblank_info(char *buf, char **start, off_t offset, int request, |
| int *eof, void *data) |
| { |
| struct drm_minor *minor = (struct drm_minor *) data; |
| struct drm_device *dev = minor->dev; |
| int ret; |
| |
| mutex_lock(&dev->struct_mutex); |
| ret = drm__vblank_info(buf, start, offset, request, eof, data); |
| mutex_unlock(&dev->struct_mutex); |
| return ret; |
| } |
| |
| /** |
| * Called when "/proc/dri/.../clients" is read. |
| * |
| * \param buf output buffer. |
| * \param start start of output data. |
| * \param offset requested start offset. |
| * \param request requested number of bytes. |
| * \param eof whether there is no more data to return. |
| * \param data private data. |
| * \return number of written bytes. |
| */ |
| static int drm__clients_info(char *buf, char **start, off_t offset, |
| int request, int *eof, void *data) |
| { |
| struct drm_minor *minor = (struct drm_minor *) data; |
| struct drm_device *dev = minor->dev; |
| int len = 0; |
| struct drm_file *priv; |
| |
| if (offset > DRM_PROC_LIMIT) { |
| *eof = 1; |
| return 0; |
| } |
| |
| *start = &buf[offset]; |
| *eof = 0; |
| |
| DRM_PROC_PRINT("a dev pid uid magic ioctls\n\n"); |
| list_for_each_entry(priv, &dev->filelist, lhead) { |
| DRM_PROC_PRINT("%c %3d %5d %5d %10u %10lu\n", |
| priv->authenticated ? 'y' : 'n', |
| priv->minor->index, |
| priv->pid, |
| priv->uid, priv->magic, priv->ioctl_count); |
| } |
| |
| if (len > request + offset) |
| return request; |
| *eof = 1; |
| return len - offset; |
| } |
| |
| /** |
| * Simply calls _clients_info() while holding the drm_device::struct_mutex lock. |
| */ |
| static int drm_clients_info(char *buf, char **start, off_t offset, |
| int request, int *eof, void *data) |
| { |
| struct drm_minor *minor = (struct drm_minor *) data; |
| struct drm_device *dev = minor->dev; |
| int ret; |
| |
| mutex_lock(&dev->struct_mutex); |
| ret = drm__clients_info(buf, start, offset, request, eof, data); |
| mutex_unlock(&dev->struct_mutex); |
| return ret; |
| } |
| |
| struct drm_gem_name_info_data { |
| int len; |
| char *buf; |
| int eof; |
| }; |
| |
| static int drm_gem_one_name_info(int id, void *ptr, void *data) |
| { |
| struct drm_gem_object *obj = ptr; |
| struct drm_gem_name_info_data *nid = data; |
| |
| DRM_INFO("name %d size %zd\n", obj->name, obj->size); |
| if (nid->eof) |
| return 0; |
| |
| nid->len += sprintf(&nid->buf[nid->len], |
| "%6d %8zd %7d %8d\n", |
| obj->name, obj->size, |
| atomic_read(&obj->handlecount.refcount), |
| atomic_read(&obj->refcount.refcount)); |
| if (nid->len > DRM_PROC_LIMIT) { |
| nid->eof = 1; |
| return 0; |
| } |
| return 0; |
| } |
| |
| static int drm_gem_name_info(char *buf, char **start, off_t offset, |
| int request, int *eof, void *data) |
| { |
| struct drm_minor *minor = (struct drm_minor *) data; |
| struct drm_device *dev = minor->dev; |
| struct drm_gem_name_info_data nid; |
| |
| if (offset > DRM_PROC_LIMIT) { |
| *eof = 1; |
| return 0; |
| } |
| |
| nid.len = sprintf(buf, " name size handles refcount\n"); |
| nid.buf = buf; |
| nid.eof = 0; |
| idr_for_each(&dev->object_name_idr, drm_gem_one_name_info, &nid); |
| |
| *start = &buf[offset]; |
| *eof = 0; |
| if (nid.len > request + offset) |
| return request; |
| *eof = 1; |
| return nid.len - offset; |
| } |
| |
| static int drm_gem_object_info(char *buf, char **start, off_t offset, |
| int request, int *eof, void *data) |
| { |
| struct drm_minor *minor = (struct drm_minor *) data; |
| struct drm_device *dev = minor->dev; |
| int len = 0; |
| |
| if (offset > DRM_PROC_LIMIT) { |
| *eof = 1; |
| return 0; |
| } |
| |
| *start = &buf[offset]; |
| *eof = 0; |
| DRM_PROC_PRINT("%d objects\n", atomic_read(&dev->object_count)); |
| DRM_PROC_PRINT("%d object bytes\n", atomic_read(&dev->object_memory)); |
| DRM_PROC_PRINT("%d pinned\n", atomic_read(&dev->pin_count)); |
| DRM_PROC_PRINT("%d pin bytes\n", atomic_read(&dev->pin_memory)); |
| DRM_PROC_PRINT("%d gtt bytes\n", atomic_read(&dev->gtt_memory)); |
| DRM_PROC_PRINT("%d gtt total\n", dev->gtt_total); |
| if (len > request + offset) |
| return request; |
| *eof = 1; |
| return len - offset; |
| } |
| |
| #if DRM_DEBUG_CODE |
| |
| static int drm__vma_info(char *buf, char **start, off_t offset, int request, |
| int *eof, void *data) |
| { |
| struct drm_minor *minor = (struct drm_minor *) data; |
| struct drm_device *dev = minor->dev; |
| int len = 0; |
| struct drm_vma_entry *pt; |
| struct vm_area_struct *vma; |
| #if defined(__i386__) |
| unsigned int pgprot; |
| #endif |
| |
| if (offset > DRM_PROC_LIMIT) { |
| *eof = 1; |
| return 0; |
| } |
| |
| *start = &buf[offset]; |
| *eof = 0; |
| |
| DRM_PROC_PRINT("vma use count: %d, high_memory = %p, 0x%08lx\n", |
| atomic_read(&dev->vma_count), |
| high_memory, virt_to_phys(high_memory)); |
| list_for_each_entry(pt, &dev->vmalist, head) { |
| if (!(vma = pt->vma)) |
| continue; |
| DRM_PROC_PRINT("\n%5d 0x%08lx-0x%08lx %c%c%c%c%c%c 0x%08lx000", |
| pt->pid, |
| vma->vm_start, |
| vma->vm_end, |
| vma->vm_flags & VM_READ ? 'r' : '-', |
| vma->vm_flags & VM_WRITE ? 'w' : '-', |
| vma->vm_flags & VM_EXEC ? 'x' : '-', |
| vma->vm_flags & VM_MAYSHARE ? 's' : 'p', |
| vma->vm_flags & VM_LOCKED ? 'l' : '-', |
| vma->vm_flags & VM_IO ? 'i' : '-', |
| vma->vm_pgoff); |
| |
| #if defined(__i386__) |
| pgprot = pgprot_val(vma->vm_page_prot); |
| DRM_PROC_PRINT(" %c%c%c%c%c%c%c%c%c", |
| pgprot & _PAGE_PRESENT ? 'p' : '-', |
| pgprot & _PAGE_RW ? 'w' : 'r', |
| pgprot & _PAGE_USER ? 'u' : 's', |
| pgprot & _PAGE_PWT ? 't' : 'b', |
| pgprot & _PAGE_PCD ? 'u' : 'c', |
| pgprot & _PAGE_ACCESSED ? 'a' : '-', |
| pgprot & _PAGE_DIRTY ? 'd' : '-', |
| pgprot & _PAGE_PSE ? 'm' : 'k', |
| pgprot & _PAGE_GLOBAL ? 'g' : 'l'); |
| #endif |
| DRM_PROC_PRINT("\n"); |
| } |
| |
| if (len > request + offset) |
| return request; |
| *eof = 1; |
| return len - offset; |
| } |
| |
| static int drm_vma_info(char *buf, char **start, off_t offset, int request, |
| int *eof, void *data) |
| { |
| struct drm_minor *minor = (struct drm_minor *) data; |
| struct drm_device *dev = minor->dev; |
| int ret; |
| |
| mutex_lock(&dev->struct_mutex); |
| ret = drm__vma_info(buf, start, offset, request, eof, data); |
| mutex_unlock(&dev->struct_mutex); |
| return ret; |
| } |
| #endif |