drm.h 30 KB

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  1. /**
  2. * \file drm.h
  3. * Header for the Direct Rendering Manager
  4. *
  5. * \author Rickard E. (Rik) Faith <faith@valinux.com>
  6. *
  7. * \par Acknowledgments:
  8. * Dec 1999, Richard Henderson <rth@twiddle.net>, move to generic \c cmpxchg.
  9. */
  10. /*
  11. * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
  12. * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
  13. * All rights reserved.
  14. *
  15. * Permission is hereby granted, free of charge, to any person obtaining a
  16. * copy of this software and associated documentation files (the "Software"),
  17. * to deal in the Software without restriction, including without limitation
  18. * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  19. * and/or sell copies of the Software, and to permit persons to whom the
  20. * Software is furnished to do so, subject to the following conditions:
  21. *
  22. * The above copyright notice and this permission notice (including the next
  23. * paragraph) shall be included in all copies or substantial portions of the
  24. * Software.
  25. *
  26. * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  27. * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  28. * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  29. * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  30. * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  31. * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  32. * OTHER DEALINGS IN THE SOFTWARE.
  33. */
  34. #ifndef _DRM_H_
  35. #define _DRM_H_
  36. #if defined(__linux__)
  37. #include <linux/types.h>
  38. #include <asm/ioctl.h>
  39. typedef unsigned int drm_handle_t;
  40. #else /* One of the BSDs */
  41. #include <sys/ioccom.h>
  42. #include <sys/types.h>
  43. typedef int8_t __s8;
  44. typedef uint8_t __u8;
  45. typedef int16_t __s16;
  46. typedef uint16_t __u16;
  47. typedef int32_t __s32;
  48. typedef uint32_t __u32;
  49. typedef int64_t __s64;
  50. typedef uint64_t __u64;
  51. typedef size_t __kernel_size_t;
  52. typedef unsigned long drm_handle_t;
  53. #endif
  54. #if defined(__cplusplus)
  55. extern "C" {
  56. #endif
  57. #define DRM_NAME "drm" /**< Name in kernel, /dev, and /proc */
  58. #define DRM_MIN_ORDER 5 /**< At least 2^5 bytes = 32 bytes */
  59. #define DRM_MAX_ORDER 22 /**< Up to 2^22 bytes = 4MB */
  60. #define DRM_RAM_PERCENT 10 /**< How much system ram can we lock? */
  61. #define _DRM_LOCK_HELD 0x80000000U /**< Hardware lock is held */
  62. #define _DRM_LOCK_CONT 0x40000000U /**< Hardware lock is contended */
  63. #define _DRM_LOCK_IS_HELD(lock) ((lock) & _DRM_LOCK_HELD)
  64. #define _DRM_LOCK_IS_CONT(lock) ((lock) & _DRM_LOCK_CONT)
  65. #define _DRM_LOCKING_CONTEXT(lock) ((lock) & ~(_DRM_LOCK_HELD|_DRM_LOCK_CONT))
  66. typedef unsigned int drm_context_t;
  67. typedef unsigned int drm_drawable_t;
  68. typedef unsigned int drm_magic_t;
  69. /**
  70. * Cliprect.
  71. *
  72. * \warning: If you change this structure, make sure you change
  73. * XF86DRIClipRectRec in the server as well
  74. *
  75. * \note KW: Actually it's illegal to change either for
  76. * backwards-compatibility reasons.
  77. */
  78. struct drm_clip_rect {
  79. unsigned short x1;
  80. unsigned short y1;
  81. unsigned short x2;
  82. unsigned short y2;
  83. };
  84. /**
  85. * Drawable information.
  86. */
  87. struct drm_drawable_info {
  88. unsigned int num_rects;
  89. struct drm_clip_rect *rects;
  90. };
  91. /**
  92. * Texture region,
  93. */
  94. struct drm_tex_region {
  95. unsigned char next;
  96. unsigned char prev;
  97. unsigned char in_use;
  98. unsigned char padding;
  99. unsigned int age;
  100. };
  101. /**
  102. * Hardware lock.
  103. *
  104. * The lock structure is a simple cache-line aligned integer. To avoid
  105. * processor bus contention on a multiprocessor system, there should not be any
  106. * other data stored in the same cache line.
  107. */
  108. struct drm_hw_lock {
  109. __volatile__ unsigned int lock; /**< lock variable */
  110. char padding[60]; /**< Pad to cache line */
  111. };
  112. /**
  113. * DRM_IOCTL_VERSION ioctl argument type.
  114. *
  115. * \sa drmGetVersion().
  116. */
  117. struct drm_version {
  118. int version_major; /**< Major version */
  119. int version_minor; /**< Minor version */
  120. int version_patchlevel; /**< Patch level */
  121. __kernel_size_t name_len; /**< Length of name buffer */
  122. char *name; /**< Name of driver */
  123. __kernel_size_t date_len; /**< Length of date buffer */
  124. char *date; /**< User-space buffer to hold date */
  125. __kernel_size_t desc_len; /**< Length of desc buffer */
  126. char *desc; /**< User-space buffer to hold desc */
  127. };
  128. /**
  129. * DRM_IOCTL_GET_UNIQUE ioctl argument type.
  130. *
  131. * \sa drmGetBusid() and drmSetBusId().
  132. */
  133. struct drm_unique {
  134. __kernel_size_t unique_len; /**< Length of unique */
  135. char *unique; /**< Unique name for driver instantiation */
  136. };
  137. struct drm_list {
  138. int count; /**< Length of user-space structures */
  139. struct drm_version *version;
  140. };
  141. struct drm_block {
  142. int unused;
  143. };
  144. /**
  145. * DRM_IOCTL_CONTROL ioctl argument type.
  146. *
  147. * \sa drmCtlInstHandler() and drmCtlUninstHandler().
  148. */
  149. struct drm_control {
  150. enum {
  151. DRM_ADD_COMMAND,
  152. DRM_RM_COMMAND,
  153. DRM_INST_HANDLER,
  154. DRM_UNINST_HANDLER
  155. } func;
  156. int irq;
  157. };
  158. /**
  159. * Type of memory to map.
  160. */
  161. enum drm_map_type {
  162. _DRM_FRAME_BUFFER = 0, /**< WC (no caching), no core dump */
  163. _DRM_REGISTERS = 1, /**< no caching, no core dump */
  164. _DRM_SHM = 2, /**< shared, cached */
  165. _DRM_AGP = 3, /**< AGP/GART */
  166. _DRM_SCATTER_GATHER = 4, /**< Scatter/gather memory for PCI DMA */
  167. _DRM_CONSISTENT = 5 /**< Consistent memory for PCI DMA */
  168. };
  169. /**
  170. * Memory mapping flags.
  171. */
  172. enum drm_map_flags {
  173. _DRM_RESTRICTED = 0x01, /**< Cannot be mapped to user-virtual */
  174. _DRM_READ_ONLY = 0x02,
  175. _DRM_LOCKED = 0x04, /**< shared, cached, locked */
  176. _DRM_KERNEL = 0x08, /**< kernel requires access */
  177. _DRM_WRITE_COMBINING = 0x10, /**< use write-combining if available */
  178. _DRM_CONTAINS_LOCK = 0x20, /**< SHM page that contains lock */
  179. _DRM_REMOVABLE = 0x40, /**< Removable mapping */
  180. _DRM_DRIVER = 0x80 /**< Managed by driver */
  181. };
  182. struct drm_ctx_priv_map {
  183. unsigned int ctx_id; /**< Context requesting private mapping */
  184. void *handle; /**< Handle of map */
  185. };
  186. /**
  187. * DRM_IOCTL_GET_MAP, DRM_IOCTL_ADD_MAP and DRM_IOCTL_RM_MAP ioctls
  188. * argument type.
  189. *
  190. * \sa drmAddMap().
  191. */
  192. struct drm_map {
  193. unsigned long offset; /**< Requested physical address (0 for SAREA)*/
  194. unsigned long size; /**< Requested physical size (bytes) */
  195. enum drm_map_type type; /**< Type of memory to map */
  196. enum drm_map_flags flags; /**< Flags */
  197. void *handle; /**< User-space: "Handle" to pass to mmap() */
  198. /**< Kernel-space: kernel-virtual address */
  199. int mtrr; /**< MTRR slot used */
  200. /* Private data */
  201. };
  202. /**
  203. * DRM_IOCTL_GET_CLIENT ioctl argument type.
  204. */
  205. struct drm_client {
  206. int idx; /**< Which client desired? */
  207. int auth; /**< Is client authenticated? */
  208. unsigned long pid; /**< Process ID */
  209. unsigned long uid; /**< User ID */
  210. unsigned long magic; /**< Magic */
  211. unsigned long iocs; /**< Ioctl count */
  212. };
  213. enum drm_stat_type {
  214. _DRM_STAT_LOCK,
  215. _DRM_STAT_OPENS,
  216. _DRM_STAT_CLOSES,
  217. _DRM_STAT_IOCTLS,
  218. _DRM_STAT_LOCKS,
  219. _DRM_STAT_UNLOCKS,
  220. _DRM_STAT_VALUE, /**< Generic value */
  221. _DRM_STAT_BYTE, /**< Generic byte counter (1024bytes/K) */
  222. _DRM_STAT_COUNT, /**< Generic non-byte counter (1000/k) */
  223. _DRM_STAT_IRQ, /**< IRQ */
  224. _DRM_STAT_PRIMARY, /**< Primary DMA bytes */
  225. _DRM_STAT_SECONDARY, /**< Secondary DMA bytes */
  226. _DRM_STAT_DMA, /**< DMA */
  227. _DRM_STAT_SPECIAL, /**< Special DMA (e.g., priority or polled) */
  228. _DRM_STAT_MISSED /**< Missed DMA opportunity */
  229. /* Add to the *END* of the list */
  230. };
  231. /**
  232. * DRM_IOCTL_GET_STATS ioctl argument type.
  233. */
  234. struct drm_stats {
  235. unsigned long count;
  236. struct {
  237. unsigned long value;
  238. enum drm_stat_type type;
  239. } data[15];
  240. };
  241. /**
  242. * Hardware locking flags.
  243. */
  244. enum drm_lock_flags {
  245. _DRM_LOCK_READY = 0x01, /**< Wait until hardware is ready for DMA */
  246. _DRM_LOCK_QUIESCENT = 0x02, /**< Wait until hardware quiescent */
  247. _DRM_LOCK_FLUSH = 0x04, /**< Flush this context's DMA queue first */
  248. _DRM_LOCK_FLUSH_ALL = 0x08, /**< Flush all DMA queues first */
  249. /* These *HALT* flags aren't supported yet
  250. -- they will be used to support the
  251. full-screen DGA-like mode. */
  252. _DRM_HALT_ALL_QUEUES = 0x10, /**< Halt all current and future queues */
  253. _DRM_HALT_CUR_QUEUES = 0x20 /**< Halt all current queues */
  254. };
  255. /**
  256. * DRM_IOCTL_LOCK, DRM_IOCTL_UNLOCK and DRM_IOCTL_FINISH ioctl argument type.
  257. *
  258. * \sa drmGetLock() and drmUnlock().
  259. */
  260. struct drm_lock {
  261. int context;
  262. enum drm_lock_flags flags;
  263. };
  264. /**
  265. * DMA flags
  266. *
  267. * \warning
  268. * These values \e must match xf86drm.h.
  269. *
  270. * \sa drm_dma.
  271. */
  272. enum drm_dma_flags {
  273. /* Flags for DMA buffer dispatch */
  274. _DRM_DMA_BLOCK = 0x01, /**<
  275. * Block until buffer dispatched.
  276. *
  277. * \note The buffer may not yet have
  278. * been processed by the hardware --
  279. * getting a hardware lock with the
  280. * hardware quiescent will ensure
  281. * that the buffer has been
  282. * processed.
  283. */
  284. _DRM_DMA_WHILE_LOCKED = 0x02, /**< Dispatch while lock held */
  285. _DRM_DMA_PRIORITY = 0x04, /**< High priority dispatch */
  286. /* Flags for DMA buffer request */
  287. _DRM_DMA_WAIT = 0x10, /**< Wait for free buffers */
  288. _DRM_DMA_SMALLER_OK = 0x20, /**< Smaller-than-requested buffers OK */
  289. _DRM_DMA_LARGER_OK = 0x40 /**< Larger-than-requested buffers OK */
  290. };
  291. /**
  292. * DRM_IOCTL_ADD_BUFS and DRM_IOCTL_MARK_BUFS ioctl argument type.
  293. *
  294. * \sa drmAddBufs().
  295. */
  296. struct drm_buf_desc {
  297. int count; /**< Number of buffers of this size */
  298. int size; /**< Size in bytes */
  299. int low_mark; /**< Low water mark */
  300. int high_mark; /**< High water mark */
  301. enum {
  302. _DRM_PAGE_ALIGN = 0x01, /**< Align on page boundaries for DMA */
  303. _DRM_AGP_BUFFER = 0x02, /**< Buffer is in AGP space */
  304. _DRM_SG_BUFFER = 0x04, /**< Scatter/gather memory buffer */
  305. _DRM_FB_BUFFER = 0x08, /**< Buffer is in frame buffer */
  306. _DRM_PCI_BUFFER_RO = 0x10 /**< Map PCI DMA buffer read-only */
  307. } flags;
  308. unsigned long agp_start; /**<
  309. * Start address of where the AGP buffers are
  310. * in the AGP aperture
  311. */
  312. };
  313. /**
  314. * DRM_IOCTL_INFO_BUFS ioctl argument type.
  315. */
  316. struct drm_buf_info {
  317. int count; /**< Entries in list */
  318. struct drm_buf_desc *list;
  319. };
  320. /**
  321. * DRM_IOCTL_FREE_BUFS ioctl argument type.
  322. */
  323. struct drm_buf_free {
  324. int count;
  325. int *list;
  326. };
  327. /**
  328. * Buffer information
  329. *
  330. * \sa drm_buf_map.
  331. */
  332. struct drm_buf_pub {
  333. int idx; /**< Index into the master buffer list */
  334. int total; /**< Buffer size */
  335. int used; /**< Amount of buffer in use (for DMA) */
  336. void *address; /**< Address of buffer */
  337. };
  338. /**
  339. * DRM_IOCTL_MAP_BUFS ioctl argument type.
  340. */
  341. struct drm_buf_map {
  342. int count; /**< Length of the buffer list */
  343. #ifdef __cplusplus
  344. void *virt;
  345. #else
  346. void *virtual; /**< Mmap'd area in user-virtual */
  347. #endif
  348. struct drm_buf_pub *list; /**< Buffer information */
  349. };
  350. /**
  351. * DRM_IOCTL_DMA ioctl argument type.
  352. *
  353. * Indices here refer to the offset into the buffer list in drm_buf_get.
  354. *
  355. * \sa drmDMA().
  356. */
  357. struct drm_dma {
  358. int context; /**< Context handle */
  359. int send_count; /**< Number of buffers to send */
  360. int *send_indices; /**< List of handles to buffers */
  361. int *send_sizes; /**< Lengths of data to send */
  362. enum drm_dma_flags flags; /**< Flags */
  363. int request_count; /**< Number of buffers requested */
  364. int request_size; /**< Desired size for buffers */
  365. int *request_indices; /**< Buffer information */
  366. int *request_sizes;
  367. int granted_count; /**< Number of buffers granted */
  368. };
  369. enum drm_ctx_flags {
  370. _DRM_CONTEXT_PRESERVED = 0x01,
  371. _DRM_CONTEXT_2DONLY = 0x02
  372. };
  373. /**
  374. * DRM_IOCTL_ADD_CTX ioctl argument type.
  375. *
  376. * \sa drmCreateContext() and drmDestroyContext().
  377. */
  378. struct drm_ctx {
  379. drm_context_t handle;
  380. enum drm_ctx_flags flags;
  381. };
  382. /**
  383. * DRM_IOCTL_RES_CTX ioctl argument type.
  384. */
  385. struct drm_ctx_res {
  386. int count;
  387. struct drm_ctx *contexts;
  388. };
  389. /**
  390. * DRM_IOCTL_ADD_DRAW and DRM_IOCTL_RM_DRAW ioctl argument type.
  391. */
  392. struct drm_draw {
  393. drm_drawable_t handle;
  394. };
  395. /**
  396. * DRM_IOCTL_UPDATE_DRAW ioctl argument type.
  397. */
  398. typedef enum {
  399. DRM_DRAWABLE_CLIPRECTS
  400. } drm_drawable_info_type_t;
  401. struct drm_update_draw {
  402. drm_drawable_t handle;
  403. unsigned int type;
  404. unsigned int num;
  405. unsigned long long data;
  406. };
  407. /**
  408. * DRM_IOCTL_GET_MAGIC and DRM_IOCTL_AUTH_MAGIC ioctl argument type.
  409. */
  410. struct drm_auth {
  411. drm_magic_t magic;
  412. };
  413. /**
  414. * DRM_IOCTL_IRQ_BUSID ioctl argument type.
  415. *
  416. * \sa drmGetInterruptFromBusID().
  417. */
  418. struct drm_irq_busid {
  419. int irq; /**< IRQ number */
  420. int busnum; /**< bus number */
  421. int devnum; /**< device number */
  422. int funcnum; /**< function number */
  423. };
  424. enum drm_vblank_seq_type {
  425. _DRM_VBLANK_ABSOLUTE = 0x0, /**< Wait for specific vblank sequence number */
  426. _DRM_VBLANK_RELATIVE = 0x1, /**< Wait for given number of vblanks */
  427. /* bits 1-6 are reserved for high crtcs */
  428. _DRM_VBLANK_HIGH_CRTC_MASK = 0x0000003e,
  429. _DRM_VBLANK_EVENT = 0x4000000, /**< Send event instead of blocking */
  430. _DRM_VBLANK_FLIP = 0x8000000, /**< Scheduled buffer swap should flip */
  431. _DRM_VBLANK_NEXTONMISS = 0x10000000, /**< If missed, wait for next vblank */
  432. _DRM_VBLANK_SECONDARY = 0x20000000, /**< Secondary display controller */
  433. _DRM_VBLANK_SIGNAL = 0x40000000 /**< Send signal instead of blocking, unsupported */
  434. };
  435. #define _DRM_VBLANK_HIGH_CRTC_SHIFT 1
  436. #define _DRM_VBLANK_TYPES_MASK (_DRM_VBLANK_ABSOLUTE | _DRM_VBLANK_RELATIVE)
  437. #define _DRM_VBLANK_FLAGS_MASK (_DRM_VBLANK_EVENT | _DRM_VBLANK_SIGNAL | \
  438. _DRM_VBLANK_SECONDARY | _DRM_VBLANK_NEXTONMISS)
  439. struct drm_wait_vblank_request {
  440. enum drm_vblank_seq_type type;
  441. unsigned int sequence;
  442. unsigned long signal;
  443. };
  444. struct drm_wait_vblank_reply {
  445. enum drm_vblank_seq_type type;
  446. unsigned int sequence;
  447. long tval_sec;
  448. long tval_usec;
  449. };
  450. /**
  451. * DRM_IOCTL_WAIT_VBLANK ioctl argument type.
  452. *
  453. * \sa drmWaitVBlank().
  454. */
  455. union drm_wait_vblank {
  456. struct drm_wait_vblank_request request;
  457. struct drm_wait_vblank_reply reply;
  458. };
  459. #define _DRM_PRE_MODESET 1
  460. #define _DRM_POST_MODESET 2
  461. /**
  462. * DRM_IOCTL_MODESET_CTL ioctl argument type
  463. *
  464. * \sa drmModesetCtl().
  465. */
  466. struct drm_modeset_ctl {
  467. __u32 crtc;
  468. __u32 cmd;
  469. };
  470. /**
  471. * DRM_IOCTL_AGP_ENABLE ioctl argument type.
  472. *
  473. * \sa drmAgpEnable().
  474. */
  475. struct drm_agp_mode {
  476. unsigned long mode; /**< AGP mode */
  477. };
  478. /**
  479. * DRM_IOCTL_AGP_ALLOC and DRM_IOCTL_AGP_FREE ioctls argument type.
  480. *
  481. * \sa drmAgpAlloc() and drmAgpFree().
  482. */
  483. struct drm_agp_buffer {
  484. unsigned long size; /**< In bytes -- will round to page boundary */
  485. unsigned long handle; /**< Used for binding / unbinding */
  486. unsigned long type; /**< Type of memory to allocate */
  487. unsigned long physical; /**< Physical used by i810 */
  488. };
  489. /**
  490. * DRM_IOCTL_AGP_BIND and DRM_IOCTL_AGP_UNBIND ioctls argument type.
  491. *
  492. * \sa drmAgpBind() and drmAgpUnbind().
  493. */
  494. struct drm_agp_binding {
  495. unsigned long handle; /**< From drm_agp_buffer */
  496. unsigned long offset; /**< In bytes -- will round to page boundary */
  497. };
  498. /**
  499. * DRM_IOCTL_AGP_INFO ioctl argument type.
  500. *
  501. * \sa drmAgpVersionMajor(), drmAgpVersionMinor(), drmAgpGetMode(),
  502. * drmAgpBase(), drmAgpSize(), drmAgpMemoryUsed(), drmAgpMemoryAvail(),
  503. * drmAgpVendorId() and drmAgpDeviceId().
  504. */
  505. struct drm_agp_info {
  506. int agp_version_major;
  507. int agp_version_minor;
  508. unsigned long mode;
  509. unsigned long aperture_base; /* physical address */
  510. unsigned long aperture_size; /* bytes */
  511. unsigned long memory_allowed; /* bytes */
  512. unsigned long memory_used;
  513. /* PCI information */
  514. unsigned short id_vendor;
  515. unsigned short id_device;
  516. };
  517. /**
  518. * DRM_IOCTL_SG_ALLOC ioctl argument type.
  519. */
  520. struct drm_scatter_gather {
  521. unsigned long size; /**< In bytes -- will round to page boundary */
  522. unsigned long handle; /**< Used for mapping / unmapping */
  523. };
  524. /**
  525. * DRM_IOCTL_SET_VERSION ioctl argument type.
  526. */
  527. struct drm_set_version {
  528. int drm_di_major;
  529. int drm_di_minor;
  530. int drm_dd_major;
  531. int drm_dd_minor;
  532. };
  533. /** DRM_IOCTL_GEM_CLOSE ioctl argument type */
  534. struct drm_gem_close {
  535. /** Handle of the object to be closed. */
  536. __u32 handle;
  537. __u32 pad;
  538. };
  539. /** DRM_IOCTL_GEM_FLINK ioctl argument type */
  540. struct drm_gem_flink {
  541. /** Handle for the object being named */
  542. __u32 handle;
  543. /** Returned global name */
  544. __u32 name;
  545. };
  546. /** DRM_IOCTL_GEM_OPEN ioctl argument type */
  547. struct drm_gem_open {
  548. /** Name of object being opened */
  549. __u32 name;
  550. /** Returned handle for the object */
  551. __u32 handle;
  552. /** Returned size of the object */
  553. __u64 size;
  554. };
  555. #define DRM_CAP_DUMB_BUFFER 0x1
  556. #define DRM_CAP_VBLANK_HIGH_CRTC 0x2
  557. #define DRM_CAP_DUMB_PREFERRED_DEPTH 0x3
  558. #define DRM_CAP_DUMB_PREFER_SHADOW 0x4
  559. #define DRM_CAP_PRIME 0x5
  560. #define DRM_PRIME_CAP_IMPORT 0x1
  561. #define DRM_PRIME_CAP_EXPORT 0x2
  562. #define DRM_CAP_TIMESTAMP_MONOTONIC 0x6
  563. #define DRM_CAP_ASYNC_PAGE_FLIP 0x7
  564. /*
  565. * The CURSOR_WIDTH and CURSOR_HEIGHT capabilities return a valid widthxheight
  566. * combination for the hardware cursor. The intention is that a hardware
  567. * agnostic userspace can query a cursor plane size to use.
  568. *
  569. * Note that the cross-driver contract is to merely return a valid size;
  570. * drivers are free to attach another meaning on top, eg. i915 returns the
  571. * maximum plane size.
  572. */
  573. #define DRM_CAP_CURSOR_WIDTH 0x8
  574. #define DRM_CAP_CURSOR_HEIGHT 0x9
  575. #define DRM_CAP_ADDFB2_MODIFIERS 0x10
  576. #define DRM_CAP_PAGE_FLIP_TARGET 0x11
  577. #define DRM_CAP_CRTC_IN_VBLANK_EVENT 0x12
  578. #define DRM_CAP_SYNCOBJ 0x13
  579. /** DRM_IOCTL_GET_CAP ioctl argument type */
  580. struct drm_get_cap {
  581. __u64 capability;
  582. __u64 value;
  583. };
  584. /**
  585. * DRM_CLIENT_CAP_STEREO_3D
  586. *
  587. * if set to 1, the DRM core will expose the stereo 3D capabilities of the
  588. * monitor by advertising the supported 3D layouts in the flags of struct
  589. * drm_mode_modeinfo.
  590. */
  591. #define DRM_CLIENT_CAP_STEREO_3D 1
  592. /**
  593. * DRM_CLIENT_CAP_UNIVERSAL_PLANES
  594. *
  595. * If set to 1, the DRM core will expose all planes (overlay, primary, and
  596. * cursor) to userspace.
  597. */
  598. #define DRM_CLIENT_CAP_UNIVERSAL_PLANES 2
  599. /**
  600. * DRM_CLIENT_CAP_ATOMIC
  601. *
  602. * If set to 1, the DRM core will expose atomic properties to userspace
  603. */
  604. #define DRM_CLIENT_CAP_ATOMIC 3
  605. /**
  606. * DRM_CLIENT_CAP_ASPECT_RATIO
  607. *
  608. * If set to 1, the DRM core will provide aspect ratio information in modes.
  609. */
  610. #define DRM_CLIENT_CAP_ASPECT_RATIO 4
  611. /**
  612. * DRM_CLIENT_CAP_WRITEBACK_CONNECTORS
  613. *
  614. * If set to 1, the DRM core will expose special connectors to be used for
  615. * writing back to memory the scene setup in the commit. Depends on client
  616. * also supporting DRM_CLIENT_CAP_ATOMIC
  617. */
  618. #define DRM_CLIENT_CAP_WRITEBACK_CONNECTORS 5
  619. /** DRM_IOCTL_SET_CLIENT_CAP ioctl argument type */
  620. struct drm_set_client_cap {
  621. __u64 capability;
  622. __u64 value;
  623. };
  624. #define DRM_RDWR O_RDWR
  625. #define DRM_CLOEXEC O_CLOEXEC
  626. struct drm_prime_handle {
  627. __u32 handle;
  628. /** Flags.. only applicable for handle->fd */
  629. __u32 flags;
  630. /** Returned dmabuf file descriptor */
  631. __s32 fd;
  632. };
  633. struct drm_syncobj_create {
  634. __u32 handle;
  635. #define DRM_SYNCOBJ_CREATE_SIGNALED (1 << 0)
  636. __u32 flags;
  637. };
  638. struct drm_syncobj_destroy {
  639. __u32 handle;
  640. __u32 pad;
  641. };
  642. #define DRM_SYNCOBJ_FD_TO_HANDLE_FLAGS_IMPORT_SYNC_FILE (1 << 0)
  643. #define DRM_SYNCOBJ_HANDLE_TO_FD_FLAGS_EXPORT_SYNC_FILE (1 << 0)
  644. struct drm_syncobj_handle {
  645. __u32 handle;
  646. __u32 flags;
  647. __s32 fd;
  648. __u32 pad;
  649. };
  650. #define DRM_SYNCOBJ_WAIT_FLAGS_WAIT_ALL (1 << 0)
  651. #define DRM_SYNCOBJ_WAIT_FLAGS_WAIT_FOR_SUBMIT (1 << 1)
  652. struct drm_syncobj_wait {
  653. __u64 handles;
  654. /* absolute timeout */
  655. __s64 timeout_nsec;
  656. __u32 count_handles;
  657. __u32 flags;
  658. __u32 first_signaled; /* only valid when not waiting all */
  659. __u32 pad;
  660. };
  661. struct drm_syncobj_array {
  662. __u64 handles;
  663. __u32 count_handles;
  664. __u32 pad;
  665. };
  666. /* Query current scanout sequence number */
  667. struct drm_crtc_get_sequence {
  668. __u32 crtc_id; /* requested crtc_id */
  669. __u32 active; /* return: crtc output is active */
  670. __u64 sequence; /* return: most recent vblank sequence */
  671. __s64 sequence_ns; /* return: most recent time of first pixel out */
  672. };
  673. /* Queue event to be delivered at specified sequence. Time stamp marks
  674. * when the first pixel of the refresh cycle leaves the display engine
  675. * for the display
  676. */
  677. #define DRM_CRTC_SEQUENCE_RELATIVE 0x00000001 /* sequence is relative to current */
  678. #define DRM_CRTC_SEQUENCE_NEXT_ON_MISS 0x00000002 /* Use next sequence if we've missed */
  679. struct drm_crtc_queue_sequence {
  680. __u32 crtc_id;
  681. __u32 flags;
  682. __u64 sequence; /* on input, target sequence. on output, actual sequence */
  683. __u64 user_data; /* user data passed to event */
  684. };
  685. #if defined(__cplusplus)
  686. }
  687. #endif
  688. #include "drm_mode.h"
  689. #if defined(__cplusplus)
  690. extern "C" {
  691. #endif
  692. #define DRM_IOCTL_BASE 'd'
  693. #define DRM_IO(nr) _IO(DRM_IOCTL_BASE,nr)
  694. #define DRM_IOR(nr,type) _IOR(DRM_IOCTL_BASE,nr,type)
  695. #define DRM_IOW(nr,type) _IOW(DRM_IOCTL_BASE,nr,type)
  696. #define DRM_IOWR(nr,type) _IOWR(DRM_IOCTL_BASE,nr,type)
  697. #define DRM_IOCTL_VERSION DRM_IOWR(0x00, struct drm_version)
  698. #define DRM_IOCTL_GET_UNIQUE DRM_IOWR(0x01, struct drm_unique)
  699. #define DRM_IOCTL_GET_MAGIC DRM_IOR( 0x02, struct drm_auth)
  700. #define DRM_IOCTL_IRQ_BUSID DRM_IOWR(0x03, struct drm_irq_busid)
  701. #define DRM_IOCTL_GET_MAP DRM_IOWR(0x04, struct drm_map)
  702. #define DRM_IOCTL_GET_CLIENT DRM_IOWR(0x05, struct drm_client)
  703. #define DRM_IOCTL_GET_STATS DRM_IOR( 0x06, struct drm_stats)
  704. #define DRM_IOCTL_SET_VERSION DRM_IOWR(0x07, struct drm_set_version)
  705. #define DRM_IOCTL_MODESET_CTL DRM_IOW(0x08, struct drm_modeset_ctl)
  706. #define DRM_IOCTL_GEM_CLOSE DRM_IOW (0x09, struct drm_gem_close)
  707. #define DRM_IOCTL_GEM_FLINK DRM_IOWR(0x0a, struct drm_gem_flink)
  708. #define DRM_IOCTL_GEM_OPEN DRM_IOWR(0x0b, struct drm_gem_open)
  709. #define DRM_IOCTL_GET_CAP DRM_IOWR(0x0c, struct drm_get_cap)
  710. #define DRM_IOCTL_SET_CLIENT_CAP DRM_IOW( 0x0d, struct drm_set_client_cap)
  711. #define DRM_IOCTL_SET_UNIQUE DRM_IOW( 0x10, struct drm_unique)
  712. #define DRM_IOCTL_AUTH_MAGIC DRM_IOW( 0x11, struct drm_auth)
  713. #define DRM_IOCTL_BLOCK DRM_IOWR(0x12, struct drm_block)
  714. #define DRM_IOCTL_UNBLOCK DRM_IOWR(0x13, struct drm_block)
  715. #define DRM_IOCTL_CONTROL DRM_IOW( 0x14, struct drm_control)
  716. #define DRM_IOCTL_ADD_MAP DRM_IOWR(0x15, struct drm_map)
  717. #define DRM_IOCTL_ADD_BUFS DRM_IOWR(0x16, struct drm_buf_desc)
  718. #define DRM_IOCTL_MARK_BUFS DRM_IOW( 0x17, struct drm_buf_desc)
  719. #define DRM_IOCTL_INFO_BUFS DRM_IOWR(0x18, struct drm_buf_info)
  720. #define DRM_IOCTL_MAP_BUFS DRM_IOWR(0x19, struct drm_buf_map)
  721. #define DRM_IOCTL_FREE_BUFS DRM_IOW( 0x1a, struct drm_buf_free)
  722. #define DRM_IOCTL_RM_MAP DRM_IOW( 0x1b, struct drm_map)
  723. #define DRM_IOCTL_SET_SAREA_CTX DRM_IOW( 0x1c, struct drm_ctx_priv_map)
  724. #define DRM_IOCTL_GET_SAREA_CTX DRM_IOWR(0x1d, struct drm_ctx_priv_map)
  725. #define DRM_IOCTL_SET_MASTER DRM_IO(0x1e)
  726. #define DRM_IOCTL_DROP_MASTER DRM_IO(0x1f)
  727. #define DRM_IOCTL_ADD_CTX DRM_IOWR(0x20, struct drm_ctx)
  728. #define DRM_IOCTL_RM_CTX DRM_IOWR(0x21, struct drm_ctx)
  729. #define DRM_IOCTL_MOD_CTX DRM_IOW( 0x22, struct drm_ctx)
  730. #define DRM_IOCTL_GET_CTX DRM_IOWR(0x23, struct drm_ctx)
  731. #define DRM_IOCTL_SWITCH_CTX DRM_IOW( 0x24, struct drm_ctx)
  732. #define DRM_IOCTL_NEW_CTX DRM_IOW( 0x25, struct drm_ctx)
  733. #define DRM_IOCTL_RES_CTX DRM_IOWR(0x26, struct drm_ctx_res)
  734. #define DRM_IOCTL_ADD_DRAW DRM_IOWR(0x27, struct drm_draw)
  735. #define DRM_IOCTL_RM_DRAW DRM_IOWR(0x28, struct drm_draw)
  736. #define DRM_IOCTL_DMA DRM_IOWR(0x29, struct drm_dma)
  737. #define DRM_IOCTL_LOCK DRM_IOW( 0x2a, struct drm_lock)
  738. #define DRM_IOCTL_UNLOCK DRM_IOW( 0x2b, struct drm_lock)
  739. #define DRM_IOCTL_FINISH DRM_IOW( 0x2c, struct drm_lock)
  740. #define DRM_IOCTL_PRIME_HANDLE_TO_FD DRM_IOWR(0x2d, struct drm_prime_handle)
  741. #define DRM_IOCTL_PRIME_FD_TO_HANDLE DRM_IOWR(0x2e, struct drm_prime_handle)
  742. #define DRM_IOCTL_AGP_ACQUIRE DRM_IO( 0x30)
  743. #define DRM_IOCTL_AGP_RELEASE DRM_IO( 0x31)
  744. #define DRM_IOCTL_AGP_ENABLE DRM_IOW( 0x32, struct drm_agp_mode)
  745. #define DRM_IOCTL_AGP_INFO DRM_IOR( 0x33, struct drm_agp_info)
  746. #define DRM_IOCTL_AGP_ALLOC DRM_IOWR(0x34, struct drm_agp_buffer)
  747. #define DRM_IOCTL_AGP_FREE DRM_IOW( 0x35, struct drm_agp_buffer)
  748. #define DRM_IOCTL_AGP_BIND DRM_IOW( 0x36, struct drm_agp_binding)
  749. #define DRM_IOCTL_AGP_UNBIND DRM_IOW( 0x37, struct drm_agp_binding)
  750. #define DRM_IOCTL_SG_ALLOC DRM_IOWR(0x38, struct drm_scatter_gather)
  751. #define DRM_IOCTL_SG_FREE DRM_IOW( 0x39, struct drm_scatter_gather)
  752. #define DRM_IOCTL_WAIT_VBLANK DRM_IOWR(0x3a, union drm_wait_vblank)
  753. #define DRM_IOCTL_CRTC_GET_SEQUENCE DRM_IOWR(0x3b, struct drm_crtc_get_sequence)
  754. #define DRM_IOCTL_CRTC_QUEUE_SEQUENCE DRM_IOWR(0x3c, struct drm_crtc_queue_sequence)
  755. #define DRM_IOCTL_UPDATE_DRAW DRM_IOW(0x3f, struct drm_update_draw)
  756. #define DRM_IOCTL_MODE_GETRESOURCES DRM_IOWR(0xA0, struct drm_mode_card_res)
  757. #define DRM_IOCTL_MODE_GETCRTC DRM_IOWR(0xA1, struct drm_mode_crtc)
  758. #define DRM_IOCTL_MODE_SETCRTC DRM_IOWR(0xA2, struct drm_mode_crtc)
  759. #define DRM_IOCTL_MODE_CURSOR DRM_IOWR(0xA3, struct drm_mode_cursor)
  760. #define DRM_IOCTL_MODE_GETGAMMA DRM_IOWR(0xA4, struct drm_mode_crtc_lut)
  761. #define DRM_IOCTL_MODE_SETGAMMA DRM_IOWR(0xA5, struct drm_mode_crtc_lut)
  762. #define DRM_IOCTL_MODE_GETENCODER DRM_IOWR(0xA6, struct drm_mode_get_encoder)
  763. #define DRM_IOCTL_MODE_GETCONNECTOR DRM_IOWR(0xA7, struct drm_mode_get_connector)
  764. #define DRM_IOCTL_MODE_ATTACHMODE DRM_IOWR(0xA8, struct drm_mode_mode_cmd) /* deprecated (never worked) */
  765. #define DRM_IOCTL_MODE_DETACHMODE DRM_IOWR(0xA9, struct drm_mode_mode_cmd) /* deprecated (never worked) */
  766. #define DRM_IOCTL_MODE_GETPROPERTY DRM_IOWR(0xAA, struct drm_mode_get_property)
  767. #define DRM_IOCTL_MODE_SETPROPERTY DRM_IOWR(0xAB, struct drm_mode_connector_set_property)
  768. #define DRM_IOCTL_MODE_GETPROPBLOB DRM_IOWR(0xAC, struct drm_mode_get_blob)
  769. #define DRM_IOCTL_MODE_GETFB DRM_IOWR(0xAD, struct drm_mode_fb_cmd)
  770. #define DRM_IOCTL_MODE_ADDFB DRM_IOWR(0xAE, struct drm_mode_fb_cmd)
  771. #define DRM_IOCTL_MODE_RMFB DRM_IOWR(0xAF, unsigned int)
  772. #define DRM_IOCTL_MODE_PAGE_FLIP DRM_IOWR(0xB0, struct drm_mode_crtc_page_flip)
  773. #define DRM_IOCTL_MODE_DIRTYFB DRM_IOWR(0xB1, struct drm_mode_fb_dirty_cmd)
  774. #define DRM_IOCTL_MODE_CREATE_DUMB DRM_IOWR(0xB2, struct drm_mode_create_dumb)
  775. #define DRM_IOCTL_MODE_MAP_DUMB DRM_IOWR(0xB3, struct drm_mode_map_dumb)
  776. #define DRM_IOCTL_MODE_DESTROY_DUMB DRM_IOWR(0xB4, struct drm_mode_destroy_dumb)
  777. #define DRM_IOCTL_MODE_GETPLANERESOURCES DRM_IOWR(0xB5, struct drm_mode_get_plane_res)
  778. #define DRM_IOCTL_MODE_GETPLANE DRM_IOWR(0xB6, struct drm_mode_get_plane)
  779. #define DRM_IOCTL_MODE_SETPLANE DRM_IOWR(0xB7, struct drm_mode_set_plane)
  780. #define DRM_IOCTL_MODE_ADDFB2 DRM_IOWR(0xB8, struct drm_mode_fb_cmd2)
  781. #define DRM_IOCTL_MODE_OBJ_GETPROPERTIES DRM_IOWR(0xB9, struct drm_mode_obj_get_properties)
  782. #define DRM_IOCTL_MODE_OBJ_SETPROPERTY DRM_IOWR(0xBA, struct drm_mode_obj_set_property)
  783. #define DRM_IOCTL_MODE_CURSOR2 DRM_IOWR(0xBB, struct drm_mode_cursor2)
  784. #define DRM_IOCTL_MODE_ATOMIC DRM_IOWR(0xBC, struct drm_mode_atomic)
  785. #define DRM_IOCTL_MODE_CREATEPROPBLOB DRM_IOWR(0xBD, struct drm_mode_create_blob)
  786. #define DRM_IOCTL_MODE_DESTROYPROPBLOB DRM_IOWR(0xBE, struct drm_mode_destroy_blob)
  787. #define DRM_IOCTL_SYNCOBJ_CREATE DRM_IOWR(0xBF, struct drm_syncobj_create)
  788. #define DRM_IOCTL_SYNCOBJ_DESTROY DRM_IOWR(0xC0, struct drm_syncobj_destroy)
  789. #define DRM_IOCTL_SYNCOBJ_HANDLE_TO_FD DRM_IOWR(0xC1, struct drm_syncobj_handle)
  790. #define DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE DRM_IOWR(0xC2, struct drm_syncobj_handle)
  791. #define DRM_IOCTL_SYNCOBJ_WAIT DRM_IOWR(0xC3, struct drm_syncobj_wait)
  792. #define DRM_IOCTL_SYNCOBJ_RESET DRM_IOWR(0xC4, struct drm_syncobj_array)
  793. #define DRM_IOCTL_SYNCOBJ_SIGNAL DRM_IOWR(0xC5, struct drm_syncobj_array)
  794. #define DRM_IOCTL_MODE_CREATE_LEASE DRM_IOWR(0xC6, struct drm_mode_create_lease)
  795. #define DRM_IOCTL_MODE_LIST_LESSEES DRM_IOWR(0xC7, struct drm_mode_list_lessees)
  796. #define DRM_IOCTL_MODE_GET_LEASE DRM_IOWR(0xC8, struct drm_mode_get_lease)
  797. #define DRM_IOCTL_MODE_REVOKE_LEASE DRM_IOWR(0xC9, struct drm_mode_revoke_lease)
  798. /**
  799. * Device specific ioctls should only be in their respective headers
  800. * The device specific ioctl range is from 0x40 to 0x9f.
  801. * Generic IOCTLS restart at 0xA0.
  802. *
  803. * \sa drmCommandNone(), drmCommandRead(), drmCommandWrite(), and
  804. * drmCommandReadWrite().
  805. */
  806. #define DRM_COMMAND_BASE 0x40
  807. #define DRM_COMMAND_END 0xA0
  808. /**
  809. * Header for events written back to userspace on the drm fd. The
  810. * type defines the type of event, the length specifies the total
  811. * length of the event (including the header), and user_data is
  812. * typically a 64 bit value passed with the ioctl that triggered the
  813. * event. A read on the drm fd will always only return complete
  814. * events, that is, if for example the read buffer is 100 bytes, and
  815. * there are two 64 byte events pending, only one will be returned.
  816. *
  817. * Event types 0 - 0x7fffffff are generic drm events, 0x80000000 and
  818. * up are chipset specific.
  819. */
  820. struct drm_event {
  821. __u32 type;
  822. __u32 length;
  823. };
  824. #define DRM_EVENT_VBLANK 0x01
  825. #define DRM_EVENT_FLIP_COMPLETE 0x02
  826. #define DRM_EVENT_CRTC_SEQUENCE 0x03
  827. struct drm_event_vblank {
  828. struct drm_event base;
  829. __u64 user_data;
  830. __u32 tv_sec;
  831. __u32 tv_usec;
  832. __u32 sequence;
  833. __u32 crtc_id; /* 0 on older kernels that do not support this */
  834. };
  835. /* Event delivered at sequence. Time stamp marks when the first pixel
  836. * of the refresh cycle leaves the display engine for the display
  837. */
  838. struct drm_event_crtc_sequence {
  839. struct drm_event base;
  840. __u64 user_data;
  841. __s64 time_ns;
  842. __u64 sequence;
  843. };
  844. /* typedef area */
  845. typedef struct drm_clip_rect drm_clip_rect_t;
  846. typedef struct drm_drawable_info drm_drawable_info_t;
  847. typedef struct drm_tex_region drm_tex_region_t;
  848. typedef struct drm_hw_lock drm_hw_lock_t;
  849. typedef struct drm_version drm_version_t;
  850. typedef struct drm_unique drm_unique_t;
  851. typedef struct drm_list drm_list_t;
  852. typedef struct drm_block drm_block_t;
  853. typedef struct drm_control drm_control_t;
  854. typedef enum drm_map_type drm_map_type_t;
  855. typedef enum drm_map_flags drm_map_flags_t;
  856. typedef struct drm_ctx_priv_map drm_ctx_priv_map_t;
  857. typedef struct drm_map drm_map_t;
  858. typedef struct drm_client drm_client_t;
  859. typedef enum drm_stat_type drm_stat_type_t;
  860. typedef struct drm_stats drm_stats_t;
  861. typedef enum drm_lock_flags drm_lock_flags_t;
  862. typedef struct drm_lock drm_lock_t;
  863. typedef enum drm_dma_flags drm_dma_flags_t;
  864. typedef struct drm_buf_desc drm_buf_desc_t;
  865. typedef struct drm_buf_info drm_buf_info_t;
  866. typedef struct drm_buf_free drm_buf_free_t;
  867. typedef struct drm_buf_pub drm_buf_pub_t;
  868. typedef struct drm_buf_map drm_buf_map_t;
  869. typedef struct drm_dma drm_dma_t;
  870. typedef union drm_wait_vblank drm_wait_vblank_t;
  871. typedef struct drm_agp_mode drm_agp_mode_t;
  872. typedef enum drm_ctx_flags drm_ctx_flags_t;
  873. typedef struct drm_ctx drm_ctx_t;
  874. typedef struct drm_ctx_res drm_ctx_res_t;
  875. typedef struct drm_draw drm_draw_t;
  876. typedef struct drm_update_draw drm_update_draw_t;
  877. typedef struct drm_auth drm_auth_t;
  878. typedef struct drm_irq_busid drm_irq_busid_t;
  879. typedef enum drm_vblank_seq_type drm_vblank_seq_type_t;
  880. typedef struct drm_agp_buffer drm_agp_buffer_t;
  881. typedef struct drm_agp_binding drm_agp_binding_t;
  882. typedef struct drm_agp_info drm_agp_info_t;
  883. typedef struct drm_scatter_gather drm_scatter_gather_t;
  884. typedef struct drm_set_version drm_set_version_t;
  885. #if defined(__cplusplus)
  886. }
  887. #endif
  888. #endif