| 1 | /** |
| 2 | * \file drm_proc.c |
| 3 | * /proc support for DRM |
| 4 | * |
| 5 | * \author Rickard E. (Rik) Faith <faith@valinux.com> |
| 6 | * \author Gareth Hughes <gareth@valinux.com> |
| 7 | * |
| 8 | * \par Acknowledgements: |
| 9 | * Matthew J Sottek <matthew.j.sottek@intel.com> sent in a patch to fix |
| 10 | * the problem with the proc files not outputting all their information. |
| 11 | */ |
| 12 | |
| 13 | /* |
| 14 | * Created: Mon Jan 11 09:48:47 1999 by faith@valinux.com |
| 15 | * |
| 16 | * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. |
| 17 | * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. |
| 18 | * All Rights Reserved. |
| 19 | * |
| 20 | * Permission is hereby granted, free of charge, to any person obtaining a |
| 21 | * copy of this software and associated documentation files (the "Software"), |
| 22 | * to deal in the Software without restriction, including without limitation |
| 23 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| 24 | * and/or sell copies of the Software, and to permit persons to whom the |
| 25 | * Software is furnished to do so, subject to the following conditions: |
| 26 | * |
| 27 | * The above copyright notice and this permission notice (including the next |
| 28 | * paragraph) shall be included in all copies or substantial portions of the |
| 29 | * Software. |
| 30 | * |
| 31 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 32 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 33 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 34 | * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| 35 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| 36 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| 37 | * OTHER DEALINGS IN THE SOFTWARE. |
| 38 | */ |
| 39 | |
| 40 | #include "drmP.h" |
| 41 | |
| 42 | static int drm_name_info(char *buf, char **start, off_t offset, |
| 43 | int request, int *eof, void *data); |
| 44 | static int drm_vm_info(char *buf, char **start, off_t offset, |
| 45 | int request, int *eof, void *data); |
| 46 | static int drm_clients_info(char *buf, char **start, off_t offset, |
| 47 | int request, int *eof, void *data); |
| 48 | static int drm_queues_info(char *buf, char **start, off_t offset, |
| 49 | int request, int *eof, void *data); |
| 50 | static int drm_bufs_info(char *buf, char **start, off_t offset, |
| 51 | int request, int *eof, void *data); |
| 52 | static int drm_gem_name_info(char *buf, char **start, off_t offset, |
| 53 | int request, int *eof, void *data); |
| 54 | static int drm_gem_object_info(char *buf, char **start, off_t offset, |
| 55 | int request, int *eof, void *data); |
| 56 | #if DRM_DEBUG_CODE |
| 57 | static int drm_vma_info(char *buf, char **start, off_t offset, |
| 58 | int request, int *eof, void *data); |
| 59 | #endif |
| 60 | |
| 61 | /** |
| 62 | * Proc file list. |
| 63 | */ |
| 64 | static struct drm_proc_list { |
| 65 | const char *name; /**< file name */ |
| 66 | int (*f) (char *, char **, off_t, int, int *, void *); /**< proc callback*/ |
| 67 | u32 driver_features; /**< Required driver features for this entry */ |
| 68 | } drm_proc_list[] = { |
| 69 | {"name", drm_name_info, 0}, |
| 70 | {"mem", drm_mem_info, 0}, |
| 71 | {"vm", drm_vm_info, 0}, |
| 72 | {"clients", drm_clients_info, 0}, |
| 73 | {"queues", drm_queues_info, 0}, |
| 74 | {"bufs", drm_bufs_info, 0}, |
| 75 | {"gem_names", drm_gem_name_info, DRIVER_GEM}, |
| 76 | {"gem_objects", drm_gem_object_info, DRIVER_GEM}, |
| 77 | #if DRM_DEBUG_CODE |
| 78 | {"vma", drm_vma_info}, |
| 79 | #endif |
| 80 | }; |
| 81 | |
| 82 | #define DRM_PROC_ENTRIES ARRAY_SIZE(drm_proc_list) |
| 83 | |
| 84 | /** |
| 85 | * Initialize the DRI proc filesystem for a device. |
| 86 | * |
| 87 | * \param dev DRM device. |
| 88 | * \param minor device minor number. |
| 89 | * \param root DRI proc dir entry. |
| 90 | * \param dev_root resulting DRI device proc dir entry. |
| 91 | * \return root entry pointer on success, or NULL on failure. |
| 92 | * |
| 93 | * Create the DRI proc root entry "/proc/dri", the device proc root entry |
| 94 | * "/proc/dri/%minor%/", and each entry in proc_list as |
| 95 | * "/proc/dri/%minor%/%name%". |
| 96 | */ |
| 97 | int drm_proc_init(struct drm_minor *minor, int minor_id, |
| 98 | struct proc_dir_entry *root) |
| 99 | { |
| 100 | struct drm_device *dev = minor->dev; |
| 101 | struct proc_dir_entry *ent; |
| 102 | int i, j, ret; |
| 103 | char name[64]; |
| 104 | |
| 105 | sprintf(name, "%d", minor_id); |
| 106 | minor->dev_root = proc_mkdir(name, root); |
| 107 | if (!minor->dev_root) { |
| 108 | DRM_ERROR("Cannot create /proc/dri/%s\n", name); |
| 109 | return -1; |
| 110 | } |
| 111 | |
| 112 | for (i = 0; i < DRM_PROC_ENTRIES; i++) { |
| 113 | u32 features = drm_proc_list[i].driver_features; |
| 114 | |
| 115 | if (features != 0 && |
| 116 | (dev->driver->driver_features & features) != features) |
| 117 | continue; |
| 118 | |
| 119 | ent = create_proc_entry(drm_proc_list[i].name, |
| 120 | S_IFREG | S_IRUGO, minor->dev_root); |
| 121 | if (!ent) { |
| 122 | DRM_ERROR("Cannot create /proc/dri/%s/%s\n", |
| 123 | name, drm_proc_list[i].name); |
| 124 | ret = -1; |
| 125 | goto fail; |
| 126 | } |
| 127 | ent->read_proc = drm_proc_list[i].f; |
| 128 | ent->data = minor; |
| 129 | } |
| 130 | |
| 131 | if (dev->driver->proc_init) { |
| 132 | ret = dev->driver->proc_init(minor); |
| 133 | if (ret) { |
| 134 | DRM_ERROR("DRM: Driver failed to initialize " |
| 135 | "/proc/dri.\n"); |
| 136 | goto fail; |
| 137 | } |
| 138 | } |
| 139 | |
| 140 | return 0; |
| 141 | fail: |
| 142 | |
| 143 | for (j = 0; j < i; j++) |
| 144 | remove_proc_entry(drm_proc_list[i].name, |
| 145 | minor->dev_root); |
| 146 | remove_proc_entry(name, root); |
| 147 | minor->dev_root = NULL; |
| 148 | return ret; |
| 149 | } |
| 150 | |
| 151 | /** |
| 152 | * Cleanup the proc filesystem resources. |
| 153 | * |
| 154 | * \param minor device minor number. |
| 155 | * \param root DRI proc dir entry. |
| 156 | * \param dev_root DRI device proc dir entry. |
| 157 | * \return always zero. |
| 158 | * |
| 159 | * Remove all proc entries created by proc_init(). |
| 160 | */ |
| 161 | int drm_proc_cleanup(struct drm_minor *minor, struct proc_dir_entry *root) |
| 162 | { |
| 163 | struct drm_device *dev = minor->dev; |
| 164 | int i; |
| 165 | char name[64]; |
| 166 | |
| 167 | if (!root || !minor->dev_root) |
| 168 | return 0; |
| 169 | |
| 170 | if (dev->driver->proc_cleanup) |
| 171 | dev->driver->proc_cleanup(minor); |
| 172 | |
| 173 | for (i = 0; i < DRM_PROC_ENTRIES; i++) |
| 174 | remove_proc_entry(drm_proc_list[i].name, minor->dev_root); |
| 175 | sprintf(name, "%d", minor->index); |
| 176 | remove_proc_entry(name, root); |
| 177 | |
| 178 | return 0; |
| 179 | } |
| 180 | |
| 181 | /** |
| 182 | * Called when "/proc/dri/.../name" is read. |
| 183 | * |
| 184 | * \param buf output buffer. |
| 185 | * \param start start of output data. |
| 186 | * \param offset requested start offset. |
| 187 | * \param request requested number of bytes. |
| 188 | * \param eof whether there is no more data to return. |
| 189 | * \param data private data. |
| 190 | * \return number of written bytes. |
| 191 | * |
| 192 | * Prints the device name together with the bus id if available. |
| 193 | */ |
| 194 | static int drm_name_info(char *buf, char **start, off_t offset, int request, |
| 195 | int *eof, void *data) |
| 196 | { |
| 197 | struct drm_minor *minor = (struct drm_minor *) data; |
| 198 | struct drm_device *dev = minor->dev; |
| 199 | int len = 0; |
| 200 | |
| 201 | if (offset > DRM_PROC_LIMIT) { |
| 202 | *eof = 1; |
| 203 | return 0; |
| 204 | } |
| 205 | |
| 206 | *start = &buf[offset]; |
| 207 | *eof = 0; |
| 208 | |
| 209 | if (dev->unique) { |
| 210 | DRM_PROC_PRINT("%s %s %s\n", |
| 211 | dev->driver->pci_driver.name, |
| 212 | pci_name(dev->pdev), dev->unique); |
| 213 | } else { |
| 214 | DRM_PROC_PRINT("%s %s\n", dev->driver->pci_driver.name, |
| 215 | pci_name(dev->pdev)); |
| 216 | } |
| 217 | |
| 218 | if (len > request + offset) |
| 219 | return request; |
| 220 | *eof = 1; |
| 221 | return len - offset; |
| 222 | } |
| 223 | |
| 224 | /** |
| 225 | * Called when "/proc/dri/.../vm" is read. |
| 226 | * |
| 227 | * \param buf output buffer. |
| 228 | * \param start start of output data. |
| 229 | * \param offset requested start offset. |
| 230 | * \param request requested number of bytes. |
| 231 | * \param eof whether there is no more data to return. |
| 232 | * \param data private data. |
| 233 | * \return number of written bytes. |
| 234 | * |
| 235 | * Prints information about all mappings in drm_device::maplist. |
| 236 | */ |
| 237 | static int drm__vm_info(char *buf, char **start, off_t offset, int request, |
| 238 | int *eof, void *data) |
| 239 | { |
| 240 | struct drm_minor *minor = (struct drm_minor *) data; |
| 241 | struct drm_device *dev = minor->dev; |
| 242 | int len = 0; |
| 243 | struct drm_map *map; |
| 244 | struct drm_map_list *r_list; |
| 245 | |
| 246 | /* Hardcoded from _DRM_FRAME_BUFFER, |
| 247 | _DRM_REGISTERS, _DRM_SHM, _DRM_AGP, and |
| 248 | _DRM_SCATTER_GATHER and _DRM_CONSISTENT */ |
| 249 | const char *types[] = { "FB", "REG", "SHM", "AGP", "SG", "PCI" }; |
| 250 | const char *type; |
| 251 | int i; |
| 252 | |
| 253 | if (offset > DRM_PROC_LIMIT) { |
| 254 | *eof = 1; |
| 255 | return 0; |
| 256 | } |
| 257 | |
| 258 | *start = &buf[offset]; |
| 259 | *eof = 0; |
| 260 | |
| 261 | DRM_PROC_PRINT("slot offset size type flags " |
| 262 | "address mtrr\n\n"); |
| 263 | i = 0; |
| 264 | list_for_each_entry(r_list, &dev->maplist, head) { |
| 265 | map = r_list->map; |
| 266 | if (!map) |
| 267 | continue; |
| 268 | if (map->type < 0 || map->type > 5) |
| 269 | type = "??"; |
| 270 | else |
| 271 | type = types[map->type]; |
| 272 | DRM_PROC_PRINT("%4d 0x%08lx 0x%08lx %4.4s 0x%02x 0x%08lx ", |
| 273 | i, |
| 274 | map->offset, |
| 275 | map->size, type, map->flags, |
| 276 | (unsigned long) r_list->user_token); |
| 277 | if (map->mtrr < 0) { |
| 278 | DRM_PROC_PRINT("none\n"); |
| 279 | } else { |
| 280 | DRM_PROC_PRINT("%4d\n", map->mtrr); |
| 281 | } |
| 282 | i++; |
| 283 | } |
| 284 | |
| 285 | if (len > request + offset) |
| 286 | return request; |
| 287 | *eof = 1; |
| 288 | return len - offset; |
| 289 | } |
| 290 | |
| 291 | /** |
| 292 | * Simply calls _vm_info() while holding the drm_device::struct_mutex lock. |
| 293 | */ |
| 294 | static int drm_vm_info(char *buf, char **start, off_t offset, int request, |
| 295 | int *eof, void *data) |
| 296 | { |
| 297 | struct drm_minor *minor = (struct drm_minor *) data; |
| 298 | struct drm_device *dev = minor->dev; |
| 299 | int ret; |
| 300 | |
| 301 | mutex_lock(&dev->struct_mutex); |
| 302 | ret = drm__vm_info(buf, start, offset, request, eof, data); |
| 303 | mutex_unlock(&dev->struct_mutex); |
| 304 | return ret; |
| 305 | } |
| 306 | |
| 307 | /** |
| 308 | * Called when "/proc/dri/.../queues" is read. |
| 309 | * |
| 310 | * \param buf output buffer. |
| 311 | * \param start start of output data. |
| 312 | * \param offset requested start offset. |
| 313 | * \param request requested number of bytes. |
| 314 | * \param eof whether there is no more data to return. |
| 315 | * \param data private data. |
| 316 | * \return number of written bytes. |
| 317 | */ |
| 318 | static int drm__queues_info(char *buf, char **start, off_t offset, |
| 319 | int request, int *eof, void *data) |
| 320 | { |
| 321 | struct drm_minor *minor = (struct drm_minor *) data; |
| 322 | struct drm_device *dev = minor->dev; |
| 323 | int len = 0; |
| 324 | int i; |
| 325 | struct drm_queue *q; |
| 326 | |
| 327 | if (offset > DRM_PROC_LIMIT) { |
| 328 | *eof = 1; |
| 329 | return 0; |
| 330 | } |
| 331 | |
| 332 | *start = &buf[offset]; |
| 333 | *eof = 0; |
| 334 | |
| 335 | DRM_PROC_PRINT(" ctx/flags use fin" |
| 336 | " blk/rw/rwf wait flushed queued" |
| 337 | " locks\n\n"); |
| 338 | for (i = 0; i < dev->queue_count; i++) { |
| 339 | q = dev->queuelist[i]; |
| 340 | atomic_inc(&q->use_count); |
| 341 | DRM_PROC_PRINT_RET(atomic_dec(&q->use_count), |
| 342 | "%5d/0x%03x %5d %5d" |
| 343 | " %5d/%c%c/%c%c%c %5Zd\n", |
| 344 | i, |
| 345 | q->flags, |
| 346 | atomic_read(&q->use_count), |
| 347 | atomic_read(&q->finalization), |
| 348 | atomic_read(&q->block_count), |
| 349 | atomic_read(&q->block_read) ? 'r' : '-', |
| 350 | atomic_read(&q->block_write) ? 'w' : '-', |
| 351 | waitqueue_active(&q->read_queue) ? 'r' : '-', |
| 352 | waitqueue_active(&q-> |
| 353 | write_queue) ? 'w' : '-', |
| 354 | waitqueue_active(&q-> |
| 355 | flush_queue) ? 'f' : '-', |
| 356 | DRM_BUFCOUNT(&q->waitlist)); |
| 357 | atomic_dec(&q->use_count); |
| 358 | } |
| 359 | |
| 360 | if (len > request + offset) |
| 361 | return request; |
| 362 | *eof = 1; |
| 363 | return len - offset; |
| 364 | } |
| 365 | |
| 366 | /** |
| 367 | * Simply calls _queues_info() while holding the drm_device::struct_mutex lock. |
| 368 | */ |
| 369 | static int drm_queues_info(char *buf, char **start, off_t offset, int request, |
| 370 | int *eof, void *data) |
| 371 | { |
| 372 | struct drm_minor *minor = (struct drm_minor *) data; |
| 373 | struct drm_device *dev = minor->dev; |
| 374 | int ret; |
| 375 | |
| 376 | mutex_lock(&dev->struct_mutex); |
| 377 | ret = drm__queues_info(buf, start, offset, request, eof, data); |
| 378 | mutex_unlock(&dev->struct_mutex); |
| 379 | return ret; |
| 380 | } |
| 381 | |
| 382 | /** |
| 383 | * Called when "/proc/dri/.../bufs" is read. |
| 384 | * |
| 385 | * \param buf output buffer. |
| 386 | * \param start start of output data. |
| 387 | * \param offset requested start offset. |
| 388 | * \param request requested number of bytes. |
| 389 | * \param eof whether there is no more data to return. |
| 390 | * \param data private data. |
| 391 | * \return number of written bytes. |
| 392 | */ |
| 393 | static int drm__bufs_info(char *buf, char **start, off_t offset, int request, |
| 394 | int *eof, void *data) |
| 395 | { |
| 396 | struct drm_minor *minor = (struct drm_minor *) data; |
| 397 | struct drm_device *dev = minor->dev; |
| 398 | int len = 0; |
| 399 | struct drm_device_dma *dma = dev->dma; |
| 400 | int i; |
| 401 | |
| 402 | if (!dma || offset > DRM_PROC_LIMIT) { |
| 403 | *eof = 1; |
| 404 | return 0; |
| 405 | } |
| 406 | |
| 407 | *start = &buf[offset]; |
| 408 | *eof = 0; |
| 409 | |
| 410 | DRM_PROC_PRINT(" o size count free segs pages kB\n\n"); |
| 411 | for (i = 0; i <= DRM_MAX_ORDER; i++) { |
| 412 | if (dma->bufs[i].buf_count) |
| 413 | DRM_PROC_PRINT("%2d %8d %5d %5d %5d %5d %5ld\n", |
| 414 | i, |
| 415 | dma->bufs[i].buf_size, |
| 416 | dma->bufs[i].buf_count, |
| 417 | atomic_read(&dma->bufs[i] |
| 418 | .freelist.count), |
| 419 | dma->bufs[i].seg_count, |
| 420 | dma->bufs[i].seg_count |
| 421 | * (1 << dma->bufs[i].page_order), |
| 422 | (dma->bufs[i].seg_count |
| 423 | * (1 << dma->bufs[i].page_order)) |
| 424 | * PAGE_SIZE / 1024); |
| 425 | } |
| 426 | DRM_PROC_PRINT("\n"); |
| 427 | for (i = 0; i < dma->buf_count; i++) { |
| 428 | if (i && !(i % 32)) |
| 429 | DRM_PROC_PRINT("\n"); |
| 430 | DRM_PROC_PRINT(" %d", dma->buflist[i]->list); |
| 431 | } |
| 432 | DRM_PROC_PRINT("\n"); |
| 433 | |
| 434 | if (len > request + offset) |
| 435 | return request; |
| 436 | *eof = 1; |
| 437 | return len - offset; |
| 438 | } |
| 439 | |
| 440 | /** |
| 441 | * Simply calls _bufs_info() while holding the drm_device::struct_mutex lock. |
| 442 | */ |
| 443 | static int drm_bufs_info(char *buf, char **start, off_t offset, int request, |
| 444 | int *eof, void *data) |
| 445 | { |
| 446 | struct drm_minor *minor = (struct drm_minor *) data; |
| 447 | struct drm_device *dev = minor->dev; |
| 448 | int ret; |
| 449 | |
| 450 | mutex_lock(&dev->struct_mutex); |
| 451 | ret = drm__bufs_info(buf, start, offset, request, eof, data); |
| 452 | mutex_unlock(&dev->struct_mutex); |
| 453 | return ret; |
| 454 | } |
| 455 | |
| 456 | /** |
| 457 | * Called when "/proc/dri/.../clients" is read. |
| 458 | * |
| 459 | * \param buf output buffer. |
| 460 | * \param start start of output data. |
| 461 | * \param offset requested start offset. |
| 462 | * \param request requested number of bytes. |
| 463 | * \param eof whether there is no more data to return. |
| 464 | * \param data private data. |
| 465 | * \return number of written bytes. |
| 466 | */ |
| 467 | static int drm__clients_info(char *buf, char **start, off_t offset, |
| 468 | int request, int *eof, void *data) |
| 469 | { |
| 470 | struct drm_minor *minor = (struct drm_minor *) data; |
| 471 | struct drm_device *dev = minor->dev; |
| 472 | int len = 0; |
| 473 | struct drm_file *priv; |
| 474 | |
| 475 | if (offset > DRM_PROC_LIMIT) { |
| 476 | *eof = 1; |
| 477 | return 0; |
| 478 | } |
| 479 | |
| 480 | *start = &buf[offset]; |
| 481 | *eof = 0; |
| 482 | |
| 483 | DRM_PROC_PRINT("a dev pid uid magic ioctls\n\n"); |
| 484 | list_for_each_entry(priv, &dev->filelist, lhead) { |
| 485 | DRM_PROC_PRINT("%c %3d %5d %5d %10u %10lu\n", |
| 486 | priv->authenticated ? 'y' : 'n', |
| 487 | priv->minor->index, |
| 488 | priv->pid, |
| 489 | priv->uid, priv->magic, priv->ioctl_count); |
| 490 | } |
| 491 | |
| 492 | if (len > request + offset) |
| 493 | return request; |
| 494 | *eof = 1; |
| 495 | return len - offset; |
| 496 | } |
| 497 | |
| 498 | /** |
| 499 | * Simply calls _clients_info() while holding the drm_device::struct_mutex lock. |
| 500 | */ |
| 501 | static int drm_clients_info(char *buf, char **start, off_t offset, |
| 502 | int request, int *eof, void *data) |
| 503 | { |
| 504 | struct drm_minor *minor = (struct drm_minor *) data; |
| 505 | struct drm_device *dev = minor->dev; |
| 506 | int ret; |
| 507 | |
| 508 | mutex_lock(&dev->struct_mutex); |
| 509 | ret = drm__clients_info(buf, start, offset, request, eof, data); |
| 510 | mutex_unlock(&dev->struct_mutex); |
| 511 | return ret; |
| 512 | } |
| 513 | |
| 514 | struct drm_gem_name_info_data { |
| 515 | int len; |
| 516 | char *buf; |
| 517 | int eof; |
| 518 | }; |
| 519 | |
| 520 | static int drm_gem_one_name_info(int id, void *ptr, void *data) |
| 521 | { |
| 522 | struct drm_gem_object *obj = ptr; |
| 523 | struct drm_gem_name_info_data *nid = data; |
| 524 | |
| 525 | DRM_INFO("name %d size %d\n", obj->name, obj->size); |
| 526 | if (nid->eof) |
| 527 | return 0; |
| 528 | |
| 529 | nid->len += sprintf(&nid->buf[nid->len], |
| 530 | "%6d%9d%8d%9d\n", |
| 531 | obj->name, obj->size, |
| 532 | atomic_read(&obj->handlecount.refcount), |
| 533 | atomic_read(&obj->refcount.refcount)); |
| 534 | if (nid->len > DRM_PROC_LIMIT) { |
| 535 | nid->eof = 1; |
| 536 | return 0; |
| 537 | } |
| 538 | return 0; |
| 539 | } |
| 540 | |
| 541 | static int drm_gem_name_info(char *buf, char **start, off_t offset, |
| 542 | int request, int *eof, void *data) |
| 543 | { |
| 544 | struct drm_minor *minor = (struct drm_minor *) data; |
| 545 | struct drm_device *dev = minor->dev; |
| 546 | struct drm_gem_name_info_data nid; |
| 547 | |
| 548 | if (offset > DRM_PROC_LIMIT) { |
| 549 | *eof = 1; |
| 550 | return 0; |
| 551 | } |
| 552 | |
| 553 | nid.len = sprintf(buf, " name size handles refcount\n"); |
| 554 | nid.buf = buf; |
| 555 | nid.eof = 0; |
| 556 | idr_for_each(&dev->object_name_idr, drm_gem_one_name_info, &nid); |
| 557 | |
| 558 | *start = &buf[offset]; |
| 559 | *eof = 0; |
| 560 | if (nid.len > request + offset) |
| 561 | return request; |
| 562 | *eof = 1; |
| 563 | return nid.len - offset; |
| 564 | } |
| 565 | |
| 566 | static int drm_gem_object_info(char *buf, char **start, off_t offset, |
| 567 | int request, int *eof, void *data) |
| 568 | { |
| 569 | struct drm_minor *minor = (struct drm_minor *) data; |
| 570 | struct drm_device *dev = minor->dev; |
| 571 | int len = 0; |
| 572 | |
| 573 | if (offset > DRM_PROC_LIMIT) { |
| 574 | *eof = 1; |
| 575 | return 0; |
| 576 | } |
| 577 | |
| 578 | *start = &buf[offset]; |
| 579 | *eof = 0; |
| 580 | DRM_PROC_PRINT("%d objects\n", atomic_read(&dev->object_count)); |
| 581 | DRM_PROC_PRINT("%d object bytes\n", atomic_read(&dev->object_memory)); |
| 582 | DRM_PROC_PRINT("%d pinned\n", atomic_read(&dev->pin_count)); |
| 583 | DRM_PROC_PRINT("%d pin bytes\n", atomic_read(&dev->pin_memory)); |
| 584 | DRM_PROC_PRINT("%d gtt bytes\n", atomic_read(&dev->gtt_memory)); |
| 585 | DRM_PROC_PRINT("%d gtt total\n", dev->gtt_total); |
| 586 | if (len > request + offset) |
| 587 | return request; |
| 588 | *eof = 1; |
| 589 | return len - offset; |
| 590 | } |
| 591 | |
| 592 | #if DRM_DEBUG_CODE |
| 593 | |
| 594 | static int drm__vma_info(char *buf, char **start, off_t offset, int request, |
| 595 | int *eof, void *data) |
| 596 | { |
| 597 | struct drm_minor *minor = (struct drm_minor *) data; |
| 598 | struct drm_device *dev = minor->dev; |
| 599 | int len = 0; |
| 600 | struct drm_vma_entry *pt; |
| 601 | struct vm_area_struct *vma; |
| 602 | #if defined(__i386__) |
| 603 | unsigned int pgprot; |
| 604 | #endif |
| 605 | |
| 606 | if (offset > DRM_PROC_LIMIT) { |
| 607 | *eof = 1; |
| 608 | return 0; |
| 609 | } |
| 610 | |
| 611 | *start = &buf[offset]; |
| 612 | *eof = 0; |
| 613 | |
| 614 | DRM_PROC_PRINT("vma use count: %d, high_memory = %p, 0x%08lx\n", |
| 615 | atomic_read(&dev->vma_count), |
| 616 | high_memory, virt_to_phys(high_memory)); |
| 617 | list_for_each_entry(pt, &dev->vmalist, head) { |
| 618 | if (!(vma = pt->vma)) |
| 619 | continue; |
| 620 | DRM_PROC_PRINT("\n%5d 0x%08lx-0x%08lx %c%c%c%c%c%c 0x%08lx000", |
| 621 | pt->pid, |
| 622 | vma->vm_start, |
| 623 | vma->vm_end, |
| 624 | vma->vm_flags & VM_READ ? 'r' : '-', |
| 625 | vma->vm_flags & VM_WRITE ? 'w' : '-', |
| 626 | vma->vm_flags & VM_EXEC ? 'x' : '-', |
| 627 | vma->vm_flags & VM_MAYSHARE ? 's' : 'p', |
| 628 | vma->vm_flags & VM_LOCKED ? 'l' : '-', |
| 629 | vma->vm_flags & VM_IO ? 'i' : '-', |
| 630 | vma->vm_pgoff); |
| 631 | |
| 632 | #if defined(__i386__) |
| 633 | pgprot = pgprot_val(vma->vm_page_prot); |
| 634 | DRM_PROC_PRINT(" %c%c%c%c%c%c%c%c%c", |
| 635 | pgprot & _PAGE_PRESENT ? 'p' : '-', |
| 636 | pgprot & _PAGE_RW ? 'w' : 'r', |
| 637 | pgprot & _PAGE_USER ? 'u' : 's', |
| 638 | pgprot & _PAGE_PWT ? 't' : 'b', |
| 639 | pgprot & _PAGE_PCD ? 'u' : 'c', |
| 640 | pgprot & _PAGE_ACCESSED ? 'a' : '-', |
| 641 | pgprot & _PAGE_DIRTY ? 'd' : '-', |
| 642 | pgprot & _PAGE_PSE ? 'm' : 'k', |
| 643 | pgprot & _PAGE_GLOBAL ? 'g' : 'l'); |
| 644 | #endif |
| 645 | DRM_PROC_PRINT("\n"); |
| 646 | } |
| 647 | |
| 648 | if (len > request + offset) |
| 649 | return request; |
| 650 | *eof = 1; |
| 651 | return len - offset; |
| 652 | } |
| 653 | |
| 654 | static int drm_vma_info(char *buf, char **start, off_t offset, int request, |
| 655 | int *eof, void *data) |
| 656 | { |
| 657 | struct drm_minor *minor = (struct drm_minor *) data; |
| 658 | struct drm_device *dev = minor->dev; |
| 659 | int ret; |
| 660 | |
| 661 | mutex_lock(&dev->struct_mutex); |
| 662 | ret = drm__vma_info(buf, start, offset, request, eof, data); |
| 663 | mutex_unlock(&dev->struct_mutex); |
| 664 | return ret; |
| 665 | } |
| 666 | #endif |