1/*
2 * Header for the Direct Rendering Manager
3 *
4 * Author: Rickard E. (Rik) Faith <faith@valinux.com>
5 *
6 * Acknowledgments:
7 * Dec 1999, Richard Henderson <rth@twiddle.net>, move to generic cmpxchg.
8 */
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
35#ifndef _DRM_H_
36#define _DRM_H_
37
38#if defined(__linux__)
39
40#include <linux/types.h>
41#include <asm/ioctl.h>
42typedef unsigned int drm_handle_t;
43
44#else /* One of the BSDs */
45
46#include <stdint.h>
47#include <sys/ioccom.h>
48#include <sys/types.h>
49typedef int8_t __s8;
50typedef uint8_t __u8;
51typedef int16_t __s16;
52typedef uint16_t __u16;
53typedef int32_t __s32;
54typedef uint32_t __u32;
55typedef int64_t __s64;
56typedef uint64_t __u64;
57typedef size_t __kernel_size_t;
58typedef unsigned long drm_handle_t;
59
60#endif
61
62#if defined(__cplusplus)
63extern "C" {
64#endif
65
66#define DRM_NAME "drm" /**< Name in kernel, /dev, and /proc */
67#define DRM_MIN_ORDER 5 /**< At least 2^5 bytes = 32 bytes */
68#define DRM_MAX_ORDER 22 /**< Up to 2^22 bytes = 4MB */
69#define DRM_RAM_PERCENT 10 /**< How much system ram can we lock? */
70
71#define _DRM_LOCK_HELD 0x80000000U /**< Hardware lock is held */
72#define _DRM_LOCK_CONT 0x40000000U /**< Hardware lock is contended */
73#define _DRM_LOCK_IS_HELD(lock) ((lock) & _DRM_LOCK_HELD)
74#define _DRM_LOCK_IS_CONT(lock) ((lock) & _DRM_LOCK_CONT)
75#define _DRM_LOCKING_CONTEXT(lock) ((lock) & ~(_DRM_LOCK_HELD|_DRM_LOCK_CONT))
76
77typedef unsigned int drm_context_t;
78typedef unsigned int drm_drawable_t;
79typedef unsigned int drm_magic_t;
80
81/*
82 * Cliprect.
83 *
84 * \warning: If you change this structure, make sure you change
85 * XF86DRIClipRectRec in the server as well
86 *
87 * \note KW: Actually it's illegal to change either for
88 * backwards-compatibility reasons.
89 */
90struct drm_clip_rect {
91 unsigned short x1;
92 unsigned short y1;
93 unsigned short x2;
94 unsigned short y2;
95};
96
97/*
98 * Drawable information.
99 */
100struct drm_drawable_info {
101 unsigned int num_rects;
102 struct drm_clip_rect *rects;
103};
104
105/*
106 * Texture region,
107 */
108struct drm_tex_region {
109 unsigned char next;
110 unsigned char prev;
111 unsigned char in_use;
112 unsigned char padding;
113 unsigned int age;
114};
115
116/*
117 * Hardware lock.
118 *
119 * The lock structure is a simple cache-line aligned integer. To avoid
120 * processor bus contention on a multiprocessor system, there should not be any
121 * other data stored in the same cache line.
122 */
123struct drm_hw_lock {
124 __volatile__ unsigned int lock; /**< lock variable */
125 char padding[60]; /**< Pad to cache line */
126};
127
128/*
129 * DRM_IOCTL_VERSION ioctl argument type.
130 *
131 * \sa drmGetVersion().
132 */
133struct drm_version {
134 int version_major; /**< Major version */
135 int version_minor; /**< Minor version */
136 int version_patchlevel; /**< Patch level */
137 __kernel_size_t name_len; /**< Length of name buffer */
138 char *name; /**< Name of driver */
139 __kernel_size_t date_len; /**< Length of date buffer */
140 char *date; /**< User-space buffer to hold date */
141 __kernel_size_t desc_len; /**< Length of desc buffer */
142 char *desc; /**< User-space buffer to hold desc */
143};
144
145/*
146 * DRM_IOCTL_GET_UNIQUE ioctl argument type.
147 *
148 * \sa drmGetBusid() and drmSetBusId().
149 */
150struct drm_unique {
151 __kernel_size_t unique_len; /**< Length of unique */
152 char *unique; /**< Unique name for driver instantiation */
153};
154
155struct drm_list {
156 int count; /**< Length of user-space structures */
157 struct drm_version *version;
158};
159
160struct drm_block {
161 int unused;
162};
163
164/*
165 * DRM_IOCTL_CONTROL ioctl argument type.
166 *
167 * \sa drmCtlInstHandler() and drmCtlUninstHandler().
168 */
169struct drm_control {
170 enum {
171 DRM_ADD_COMMAND,
172 DRM_RM_COMMAND,
173 DRM_INST_HANDLER,
174 DRM_UNINST_HANDLER
175 } func;
176 int irq;
177};
178
179/*
180 * Type of memory to map.
181 */
182enum drm_map_type {
183 _DRM_FRAME_BUFFER = 0, /**< WC (no caching), no core dump */
184 _DRM_REGISTERS = 1, /**< no caching, no core dump */
185 _DRM_SHM = 2, /**< shared, cached */
186 _DRM_AGP = 3, /**< AGP/GART */
187 _DRM_SCATTER_GATHER = 4, /**< Scatter/gather memory for PCI DMA */
188 _DRM_CONSISTENT = 5 /**< Consistent memory for PCI DMA */
189};
190
191/*
192 * Memory mapping flags.
193 */
194enum drm_map_flags {
195 _DRM_RESTRICTED = 0x01, /**< Cannot be mapped to user-virtual */
196 _DRM_READ_ONLY = 0x02,
197 _DRM_LOCKED = 0x04, /**< shared, cached, locked */
198 _DRM_KERNEL = 0x08, /**< kernel requires access */
199 _DRM_WRITE_COMBINING = 0x10, /**< use write-combining if available */
200 _DRM_CONTAINS_LOCK = 0x20, /**< SHM page that contains lock */
201 _DRM_REMOVABLE = 0x40, /**< Removable mapping */
202 _DRM_DRIVER = 0x80 /**< Managed by driver */
203};
204
205struct drm_ctx_priv_map {
206 unsigned int ctx_id; /**< Context requesting private mapping */
207 void *handle; /**< Handle of map */
208};
209
210/*
211 * DRM_IOCTL_GET_MAP, DRM_IOCTL_ADD_MAP and DRM_IOCTL_RM_MAP ioctls
212 * argument type.
213 *
214 * \sa drmAddMap().
215 */
216struct drm_map {
217 unsigned long offset; /**< Requested physical address (0 for SAREA)*/
218 unsigned long size; /**< Requested physical size (bytes) */
219 enum drm_map_type type; /**< Type of memory to map */
220 enum drm_map_flags flags; /**< Flags */
221 void *handle; /**< User-space: "Handle" to pass to mmap() */
222 /**< Kernel-space: kernel-virtual address */
223 int mtrr; /**< MTRR slot used */
224 /* Private data */
225};
226
227/*
228 * DRM_IOCTL_GET_CLIENT ioctl argument type.
229 */
230struct drm_client {
231 int idx; /**< Which client desired? */
232 int auth; /**< Is client authenticated? */
233 unsigned long pid; /**< Process ID */
234 unsigned long uid; /**< User ID */
235 unsigned long magic; /**< Magic */
236 unsigned long iocs; /**< Ioctl count */
237};
238
239enum drm_stat_type {
240 _DRM_STAT_LOCK,
241 _DRM_STAT_OPENS,
242 _DRM_STAT_CLOSES,
243 _DRM_STAT_IOCTLS,
244 _DRM_STAT_LOCKS,
245 _DRM_STAT_UNLOCKS,
246 _DRM_STAT_VALUE, /**< Generic value */
247 _DRM_STAT_BYTE, /**< Generic byte counter (1024bytes/K) */
248 _DRM_STAT_COUNT, /**< Generic non-byte counter (1000/k) */
249
250 _DRM_STAT_IRQ, /**< IRQ */
251 _DRM_STAT_PRIMARY, /**< Primary DMA bytes */
252 _DRM_STAT_SECONDARY, /**< Secondary DMA bytes */
253 _DRM_STAT_DMA, /**< DMA */
254 _DRM_STAT_SPECIAL, /**< Special DMA (e.g., priority or polled) */
255 _DRM_STAT_MISSED /**< Missed DMA opportunity */
256 /* Add to the *END* of the list */
257};
258
259/*
260 * DRM_IOCTL_GET_STATS ioctl argument type.
261 */
262struct drm_stats {
263 unsigned long count;
264 struct {
265 unsigned long value;
266 enum drm_stat_type type;
267 } data[15];
268};
269
270/*
271 * Hardware locking flags.
272 */
273enum drm_lock_flags {
274 _DRM_LOCK_READY = 0x01, /**< Wait until hardware is ready for DMA */
275 _DRM_LOCK_QUIESCENT = 0x02, /**< Wait until hardware quiescent */
276 _DRM_LOCK_FLUSH = 0x04, /**< Flush this context's DMA queue first */
277 _DRM_LOCK_FLUSH_ALL = 0x08, /**< Flush all DMA queues first */
278 /* These *HALT* flags aren't supported yet
279 -- they will be used to support the
280 full-screen DGA-like mode. */
281 _DRM_HALT_ALL_QUEUES = 0x10, /**< Halt all current and future queues */
282 _DRM_HALT_CUR_QUEUES = 0x20 /**< Halt all current queues */
283};
284
285/*
286 * DRM_IOCTL_LOCK, DRM_IOCTL_UNLOCK and DRM_IOCTL_FINISH ioctl argument type.
287 *
288 * \sa drmGetLock() and drmUnlock().
289 */
290struct drm_lock {
291 int context;
292 enum drm_lock_flags flags;
293};
294
295/*
296 * DMA flags
297 *
298 * \warning
299 * These values \e must match xf86drm.h.
300 *
301 * \sa drm_dma.
302 */
303enum drm_dma_flags {
304 /* Flags for DMA buffer dispatch */
305 _DRM_DMA_BLOCK = 0x01, /**<
306 * Block until buffer dispatched.
307 *
308 * \note The buffer may not yet have
309 * been processed by the hardware --
310 * getting a hardware lock with the
311 * hardware quiescent will ensure
312 * that the buffer has been
313 * processed.
314 */
315 _DRM_DMA_WHILE_LOCKED = 0x02, /**< Dispatch while lock held */
316 _DRM_DMA_PRIORITY = 0x04, /**< High priority dispatch */
317
318 /* Flags for DMA buffer request */
319 _DRM_DMA_WAIT = 0x10, /**< Wait for free buffers */
320 _DRM_DMA_SMALLER_OK = 0x20, /**< Smaller-than-requested buffers OK */
321 _DRM_DMA_LARGER_OK = 0x40 /**< Larger-than-requested buffers OK */
322};
323
324/*
325 * DRM_IOCTL_ADD_BUFS and DRM_IOCTL_MARK_BUFS ioctl argument type.
326 *
327 * \sa drmAddBufs().
328 */
329struct drm_buf_desc {
330 int count; /**< Number of buffers of this size */
331 int size; /**< Size in bytes */
332 int low_mark; /**< Low water mark */
333 int high_mark; /**< High water mark */
334 enum {
335 _DRM_PAGE_ALIGN = 0x01, /**< Align on page boundaries for DMA */
336 _DRM_AGP_BUFFER = 0x02, /**< Buffer is in AGP space */
337 _DRM_SG_BUFFER = 0x04, /**< Scatter/gather memory buffer */
338 _DRM_FB_BUFFER = 0x08, /**< Buffer is in frame buffer */
339 _DRM_PCI_BUFFER_RO = 0x10 /**< Map PCI DMA buffer read-only */
340 } flags;
341 unsigned long agp_start; /**<
342 * Start address of where the AGP buffers are
343 * in the AGP aperture
344 */
345};
346
347/*
348 * DRM_IOCTL_INFO_BUFS ioctl argument type.
349 */
350struct drm_buf_info {
351 int count; /**< Entries in list */
352 struct drm_buf_desc *list;
353};
354
355/*
356 * DRM_IOCTL_FREE_BUFS ioctl argument type.
357 */
358struct drm_buf_free {
359 int count;
360 int *list;
361};
362
363/*
364 * Buffer information
365 *
366 * \sa drm_buf_map.
367 */
368struct drm_buf_pub {
369 int idx; /**< Index into the master buffer list */
370 int total; /**< Buffer size */
371 int used; /**< Amount of buffer in use (for DMA) */
372 void *address; /**< Address of buffer */
373};
374
375/*
376 * DRM_IOCTL_MAP_BUFS ioctl argument type.
377 */
378struct drm_buf_map {
379 int count; /**< Length of the buffer list */
380#ifdef __cplusplus
381 void *virt;
382#else
383 void *virtual; /**< Mmap'd area in user-virtual */
384#endif
385 struct drm_buf_pub *list; /**< Buffer information */
386};
387
388/*
389 * DRM_IOCTL_DMA ioctl argument type.
390 *
391 * Indices here refer to the offset into the buffer list in drm_buf_get.
392 *
393 * \sa drmDMA().
394 */
395struct drm_dma {
396 int context; /**< Context handle */
397 int send_count; /**< Number of buffers to send */
398 int *send_indices; /**< List of handles to buffers */
399 int *send_sizes; /**< Lengths of data to send */
400 enum drm_dma_flags flags; /**< Flags */
401 int request_count; /**< Number of buffers requested */
402 int request_size; /**< Desired size for buffers */
403 int *request_indices; /**< Buffer information */
404 int *request_sizes;
405 int granted_count; /**< Number of buffers granted */
406};
407
408enum drm_ctx_flags {
409 _DRM_CONTEXT_PRESERVED = 0x01,
410 _DRM_CONTEXT_2DONLY = 0x02
411};
412
413/*
414 * DRM_IOCTL_ADD_CTX ioctl argument type.
415 *
416 * \sa drmCreateContext() and drmDestroyContext().
417 */
418struct drm_ctx {
419 drm_context_t handle;
420 enum drm_ctx_flags flags;
421};
422
423/*
424 * DRM_IOCTL_RES_CTX ioctl argument type.
425 */
426struct drm_ctx_res {
427 int count;
428 struct drm_ctx *contexts;
429};
430
431/*
432 * DRM_IOCTL_ADD_DRAW and DRM_IOCTL_RM_DRAW ioctl argument type.
433 */
434struct drm_draw {
435 drm_drawable_t handle;
436};
437
438/*
439 * DRM_IOCTL_UPDATE_DRAW ioctl argument type.
440 */
441typedef enum {
442 DRM_DRAWABLE_CLIPRECTS
443} drm_drawable_info_type_t;
444
445struct drm_update_draw {
446 drm_drawable_t handle;
447 unsigned int type;
448 unsigned int num;
449 unsigned long long data;
450};
451
452/*
453 * DRM_IOCTL_GET_MAGIC and DRM_IOCTL_AUTH_MAGIC ioctl argument type.
454 */
455struct drm_auth {
456 drm_magic_t magic;
457};
458
459/*
460 * DRM_IOCTL_IRQ_BUSID ioctl argument type.
461 *
462 * \sa drmGetInterruptFromBusID().
463 */
464struct drm_irq_busid {
465 int irq; /**< IRQ number */
466 int busnum; /**< bus number */
467 int devnum; /**< device number */
468 int funcnum; /**< function number */
469};
470
471enum drm_vblank_seq_type {
472 _DRM_VBLANK_ABSOLUTE = 0x0, /**< Wait for specific vblank sequence number */
473 _DRM_VBLANK_RELATIVE = 0x1, /**< Wait for given number of vblanks */
474 /* bits 1-6 are reserved for high crtcs */
475 _DRM_VBLANK_HIGH_CRTC_MASK = 0x0000003e,
476 _DRM_VBLANK_EVENT = 0x4000000, /**< Send event instead of blocking */
477 _DRM_VBLANK_FLIP = 0x8000000, /**< Scheduled buffer swap should flip */
478 _DRM_VBLANK_NEXTONMISS = 0x10000000, /**< If missed, wait for next vblank */
479 _DRM_VBLANK_SECONDARY = 0x20000000, /**< Secondary display controller */
480 _DRM_VBLANK_SIGNAL = 0x40000000 /**< Send signal instead of blocking, unsupported */
481};
482#define _DRM_VBLANK_HIGH_CRTC_SHIFT 1
483
484#define _DRM_VBLANK_TYPES_MASK (_DRM_VBLANK_ABSOLUTE | _DRM_VBLANK_RELATIVE)
485#define _DRM_VBLANK_FLAGS_MASK (_DRM_VBLANK_EVENT | _DRM_VBLANK_SIGNAL | \
486 _DRM_VBLANK_SECONDARY | _DRM_VBLANK_NEXTONMISS)
487
488struct drm_wait_vblank_request {
489 enum drm_vblank_seq_type type;
490 unsigned int sequence;
491 unsigned long signal;
492};
493
494struct drm_wait_vblank_reply {
495 enum drm_vblank_seq_type type;
496 unsigned int sequence;
497 long tval_sec;
498 long tval_usec;
499};
500
501/*
502 * DRM_IOCTL_WAIT_VBLANK ioctl argument type.
503 *
504 * \sa drmWaitVBlank().
505 */
506union drm_wait_vblank {
507 struct drm_wait_vblank_request request;
508 struct drm_wait_vblank_reply reply;
509};
510
511#define _DRM_PRE_MODESET 1
512#define _DRM_POST_MODESET 2
513
514/*
515 * DRM_IOCTL_MODESET_CTL ioctl argument type
516 *
517 * \sa drmModesetCtl().
518 */
519struct drm_modeset_ctl {
520 __u32 crtc;
521 __u32 cmd;
522};
523
524/*
525 * DRM_IOCTL_AGP_ENABLE ioctl argument type.
526 *
527 * \sa drmAgpEnable().
528 */
529struct drm_agp_mode {
530 unsigned long mode; /**< AGP mode */
531};
532
533/*
534 * DRM_IOCTL_AGP_ALLOC and DRM_IOCTL_AGP_FREE ioctls argument type.
535 *
536 * \sa drmAgpAlloc() and drmAgpFree().
537 */
538struct drm_agp_buffer {
539 unsigned long size; /**< In bytes -- will round to page boundary */
540 unsigned long handle; /**< Used for binding / unbinding */
541 unsigned long type; /**< Type of memory to allocate */
542 unsigned long physical; /**< Physical used by i810 */
543};
544
545/*
546 * DRM_IOCTL_AGP_BIND and DRM_IOCTL_AGP_UNBIND ioctls argument type.
547 *
548 * \sa drmAgpBind() and drmAgpUnbind().
549 */
550struct drm_agp_binding {
551 unsigned long handle; /**< From drm_agp_buffer */
552 unsigned long offset; /**< In bytes -- will round to page boundary */
553};
554
555/*
556 * DRM_IOCTL_AGP_INFO ioctl argument type.
557 *
558 * \sa drmAgpVersionMajor(), drmAgpVersionMinor(), drmAgpGetMode(),
559 * drmAgpBase(), drmAgpSize(), drmAgpMemoryUsed(), drmAgpMemoryAvail(),
560 * drmAgpVendorId() and drmAgpDeviceId().
561 */
562struct drm_agp_info {
563 int agp_version_major;
564 int agp_version_minor;
565 unsigned long mode;
566 unsigned long aperture_base; /* physical address */
567 unsigned long aperture_size; /* bytes */
568 unsigned long memory_allowed; /* bytes */
569 unsigned long memory_used;
570
571 /* PCI information */
572 unsigned short id_vendor;
573 unsigned short id_device;
574};
575
576/*
577 * DRM_IOCTL_SG_ALLOC ioctl argument type.
578 */
579struct drm_scatter_gather {
580 unsigned long size; /**< In bytes -- will round to page boundary */
581 unsigned long handle; /**< Used for mapping / unmapping */
582};
583
584/*
585 * DRM_IOCTL_SET_VERSION ioctl argument type.
586 */
587struct drm_set_version {
588 int drm_di_major;
589 int drm_di_minor;
590 int drm_dd_major;
591 int drm_dd_minor;
592};
593
594/* DRM_IOCTL_GEM_CLOSE ioctl argument type */
595struct drm_gem_close {
596 /** Handle of the object to be closed. */
597 __u32 handle;
598 __u32 pad;
599};
600
601/* DRM_IOCTL_GEM_FLINK ioctl argument type */
602struct drm_gem_flink {
603 /** Handle for the object being named */
604 __u32 handle;
605
606 /** Returned global name */
607 __u32 name;
608};
609
610/* DRM_IOCTL_GEM_OPEN ioctl argument type */
611struct drm_gem_open {
612 /** Name of object being opened */
613 __u32 name;
614
615 /** Returned handle for the object */
616 __u32 handle;
617
618 /** Returned size of the object */
619 __u64 size;
620};
621
622/**
623 * DRM_CAP_DUMB_BUFFER
624 *
625 * If set to 1, the driver supports creating dumb buffers via the
626 * &DRM_IOCTL_MODE_CREATE_DUMB ioctl.
627 */
628#define DRM_CAP_DUMB_BUFFER 0x1
629/**
630 * DRM_CAP_VBLANK_HIGH_CRTC
631 *
632 * If set to 1, the kernel supports specifying a CRTC index in the high bits of
633 * &drm_wait_vblank_request.type.
634 *
635 * Starting kernel version 2.6.39, this capability is always set to 1.
636 */
637#define DRM_CAP_VBLANK_HIGH_CRTC 0x2
638/**
639 * DRM_CAP_DUMB_PREFERRED_DEPTH
640 *
641 * The preferred bit depth for dumb buffers.
642 *
643 * The bit depth is the number of bits used to indicate the color of a single
644 * pixel excluding any padding. This is different from the number of bits per
645 * pixel. For instance, XRGB8888 has a bit depth of 24 but has 32 bits per
646 * pixel.
647 *
648 * Note that this preference only applies to dumb buffers, it's irrelevant for
649 * other types of buffers.
650 */
651#define DRM_CAP_DUMB_PREFERRED_DEPTH 0x3
652/**
653 * DRM_CAP_DUMB_PREFER_SHADOW
654 *
655 * If set to 1, the driver prefers userspace to render to a shadow buffer
656 * instead of directly rendering to a dumb buffer. For best speed, userspace
657 * should do streaming ordered memory copies into the dumb buffer and never
658 * read from it.
659 *
660 * Note that this preference only applies to dumb buffers, it's irrelevant for
661 * other types of buffers.
662 */
663#define DRM_CAP_DUMB_PREFER_SHADOW 0x4
664/**
665 * DRM_CAP_PRIME
666 *
667 * Bitfield of supported PRIME sharing capabilities. See &DRM_PRIME_CAP_IMPORT
668 * and &DRM_PRIME_CAP_EXPORT.
669 *
670 * PRIME buffers are exposed as dma-buf file descriptors. See
671 * Documentation/gpu/drm-mm.rst, section "PRIME Buffer Sharing".
672 */
673#define DRM_CAP_PRIME 0x5
674/**
675 * DRM_PRIME_CAP_IMPORT
676 *
677 * If this bit is set in &DRM_CAP_PRIME, the driver supports importing PRIME
678 * buffers via the &DRM_IOCTL_PRIME_FD_TO_HANDLE ioctl.
679 */
680#define DRM_PRIME_CAP_IMPORT 0x1
681/**
682 * DRM_PRIME_CAP_EXPORT
683 *
684 * If this bit is set in &DRM_CAP_PRIME, the driver supports exporting PRIME
685 * buffers via the &DRM_IOCTL_PRIME_HANDLE_TO_FD ioctl.
686 */
687#define DRM_PRIME_CAP_EXPORT 0x2
688/**
689 * DRM_CAP_TIMESTAMP_MONOTONIC
690 *
691 * If set to 0, the kernel will report timestamps with ``CLOCK_REALTIME`` in
692 * struct drm_event_vblank. If set to 1, the kernel will report timestamps with
693 * ``CLOCK_MONOTONIC``. See ``clock_gettime(2)`` for the definition of these
694 * clocks.
695 *
696 * Starting from kernel version 2.6.39, the default value for this capability
697 * is 1. Starting kernel version 4.15, this capability is always set to 1.
698 */
699#define DRM_CAP_TIMESTAMP_MONOTONIC 0x6
700/**
701 * DRM_CAP_ASYNC_PAGE_FLIP
702 *
703 * If set to 1, the driver supports &DRM_MODE_PAGE_FLIP_ASYNC.
704 */
705#define DRM_CAP_ASYNC_PAGE_FLIP 0x7
706/**
707 * DRM_CAP_CURSOR_WIDTH
708 *
709 * The ``CURSOR_WIDTH`` and ``CURSOR_HEIGHT`` capabilities return a valid
710 * width x height combination for the hardware cursor. The intention is that a
711 * hardware agnostic userspace can query a cursor plane size to use.
712 *
713 * Note that the cross-driver contract is to merely return a valid size;
714 * drivers are free to attach another meaning on top, eg. i915 returns the
715 * maximum plane size.
716 */
717#define DRM_CAP_CURSOR_WIDTH 0x8
718/**
719 * DRM_CAP_CURSOR_HEIGHT
720 *
721 * See &DRM_CAP_CURSOR_WIDTH.
722 */
723#define DRM_CAP_CURSOR_HEIGHT 0x9
724/**
725 * DRM_CAP_ADDFB2_MODIFIERS
726 *
727 * If set to 1, the driver supports supplying modifiers in the
728 * &DRM_IOCTL_MODE_ADDFB2 ioctl.
729 */
730#define DRM_CAP_ADDFB2_MODIFIERS 0x10
731/**
732 * DRM_CAP_PAGE_FLIP_TARGET
733 *
734 * If set to 1, the driver supports the &DRM_MODE_PAGE_FLIP_TARGET_ABSOLUTE and
735 * &DRM_MODE_PAGE_FLIP_TARGET_RELATIVE flags in
736 * &drm_mode_crtc_page_flip_target.flags for the &DRM_IOCTL_MODE_PAGE_FLIP
737 * ioctl.
738 */
739#define DRM_CAP_PAGE_FLIP_TARGET 0x11
740/**
741 * DRM_CAP_CRTC_IN_VBLANK_EVENT
742 *
743 * If set to 1, the kernel supports reporting the CRTC ID in
744 * &drm_event_vblank.crtc_id for the &DRM_EVENT_VBLANK and
745 * &DRM_EVENT_FLIP_COMPLETE events.
746 *
747 * Starting kernel version 4.12, this capability is always set to 1.
748 */
749#define DRM_CAP_CRTC_IN_VBLANK_EVENT 0x12
750/**
751 * DRM_CAP_SYNCOBJ
752 *
753 * If set to 1, the driver supports sync objects. See
754 * Documentation/gpu/drm-mm.rst, section "DRM Sync Objects".
755 */
756#define DRM_CAP_SYNCOBJ 0x13
757/**
758 * DRM_CAP_SYNCOBJ_TIMELINE
759 *
760 * If set to 1, the driver supports timeline operations on sync objects. See
761 * Documentation/gpu/drm-mm.rst, section "DRM Sync Objects".
762 */
763#define DRM_CAP_SYNCOBJ_TIMELINE 0x14
764
765/* DRM_IOCTL_GET_CAP ioctl argument type */
766struct drm_get_cap {
767 __u64 capability;
768 __u64 value;
769};
770
771/**
772 * DRM_CLIENT_CAP_STEREO_3D
773 *
774 * If set to 1, the DRM core will expose the stereo 3D capabilities of the
775 * monitor by advertising the supported 3D layouts in the flags of struct
776 * drm_mode_modeinfo. See ``DRM_MODE_FLAG_3D_*``.
777 *
778 * This capability is always supported for all drivers starting from kernel
779 * version 3.13.
780 */
781#define DRM_CLIENT_CAP_STEREO_3D 1
782
783/**
784 * DRM_CLIENT_CAP_UNIVERSAL_PLANES
785 *
786 * If set to 1, the DRM core will expose all planes (overlay, primary, and
787 * cursor) to userspace.
788 *
789 * This capability has been introduced in kernel version 3.15. Starting from
790 * kernel version 3.17, this capability is always supported for all drivers.
791 */
792#define DRM_CLIENT_CAP_UNIVERSAL_PLANES 2
793
794/**
795 * DRM_CLIENT_CAP_ATOMIC
796 *
797 * If set to 1, the DRM core will expose atomic properties to userspace. This
798 * implicitly enables &DRM_CLIENT_CAP_UNIVERSAL_PLANES and
799 * &DRM_CLIENT_CAP_ASPECT_RATIO.
800 *
801 * If the driver doesn't support atomic mode-setting, enabling this capability
802 * will fail with -EOPNOTSUPP.
803 *
804 * This capability has been introduced in kernel version 4.0. Starting from
805 * kernel version 4.2, this capability is always supported for atomic-capable
806 * drivers.
807 */
808#define DRM_CLIENT_CAP_ATOMIC 3
809
810/**
811 * DRM_CLIENT_CAP_ASPECT_RATIO
812 *
813 * If set to 1, the DRM core will provide aspect ratio information in modes.
814 * See ``DRM_MODE_FLAG_PIC_AR_*``.
815 *
816 * This capability is always supported for all drivers starting from kernel
817 * version 4.18.
818 */
819#define DRM_CLIENT_CAP_ASPECT_RATIO 4
820
821/**
822 * DRM_CLIENT_CAP_WRITEBACK_CONNECTORS
823 *
824 * If set to 1, the DRM core will expose special connectors to be used for
825 * writing back to memory the scene setup in the commit. The client must enable
826 * &DRM_CLIENT_CAP_ATOMIC first.
827 *
828 * This capability is always supported for atomic-capable drivers starting from
829 * kernel version 4.19.
830 */
831#define DRM_CLIENT_CAP_WRITEBACK_CONNECTORS 5
832
833/* DRM_IOCTL_SET_CLIENT_CAP ioctl argument type */
834struct drm_set_client_cap {
835 __u64 capability;
836 __u64 value;
837};
838
839#define DRM_RDWR O_RDWR
840#define DRM_CLOEXEC O_CLOEXEC
841struct drm_prime_handle {
842 __u32 handle;
843
844 /** Flags.. only applicable for handle->fd */
845 __u32 flags;
846
847 /** Returned dmabuf file descriptor */
848 __s32 fd;
849};
850
851struct drm_syncobj_create {
852 __u32 handle;
853#define DRM_SYNCOBJ_CREATE_SIGNALED (1 << 0)
854 __u32 flags;
855};
856
857struct drm_syncobj_destroy {
858 __u32 handle;
859 __u32 pad;
860};
861
862#define DRM_SYNCOBJ_FD_TO_HANDLE_FLAGS_IMPORT_SYNC_FILE (1 << 0)
863#define DRM_SYNCOBJ_HANDLE_TO_FD_FLAGS_EXPORT_SYNC_FILE (1 << 0)
864struct drm_syncobj_handle {
865 __u32 handle;
866 __u32 flags;
867
868 __s32 fd;
869 __u32 pad;
870};
871
872struct drm_syncobj_transfer {
873 __u32 src_handle;
874 __u32 dst_handle;
875 __u64 src_point;
876 __u64 dst_point;
877 __u32 flags;
878 __u32 pad;
879};
880
881#define DRM_SYNCOBJ_WAIT_FLAGS_WAIT_ALL (1 << 0)
882#define DRM_SYNCOBJ_WAIT_FLAGS_WAIT_FOR_SUBMIT (1 << 1)
883#define DRM_SYNCOBJ_WAIT_FLAGS_WAIT_AVAILABLE (1 << 2) /* wait for time point to become available */
884struct drm_syncobj_wait {
885 __u64 handles;
886 /* absolute timeout */
887 __s64 timeout_nsec;
888 __u32 count_handles;
889 __u32 flags;
890 __u32 first_signaled; /* only valid when not waiting all */
891 __u32 pad;
892};
893
894struct drm_syncobj_timeline_wait {
895 __u64 handles;
896 /* wait on specific timeline point for every handles*/
897 __u64 points;
898 /* absolute timeout */
899 __s64 timeout_nsec;
900 __u32 count_handles;
901 __u32 flags;
902 __u32 first_signaled; /* only valid when not waiting all */
903 __u32 pad;
904};
905
906
907struct drm_syncobj_array {
908 __u64 handles;
909 __u32 count_handles;
910 __u32 pad;
911};
912
913#define DRM_SYNCOBJ_QUERY_FLAGS_LAST_SUBMITTED (1 << 0) /* last available point on timeline syncobj */
914struct drm_syncobj_timeline_array {
915 __u64 handles;
916 __u64 points;
917 __u32 count_handles;
918 __u32 flags;
919};
920
921
922/* Query current scanout sequence number */
923struct drm_crtc_get_sequence {
924 __u32 crtc_id; /* requested crtc_id */
925 __u32 active; /* return: crtc output is active */
926 __u64 sequence; /* return: most recent vblank sequence */
927 __s64 sequence_ns; /* return: most recent time of first pixel out */
928};
929
930/* Queue event to be delivered at specified sequence. Time stamp marks
931 * when the first pixel of the refresh cycle leaves the display engine
932 * for the display
933 */
934#define DRM_CRTC_SEQUENCE_RELATIVE 0x00000001 /* sequence is relative to current */
935#define DRM_CRTC_SEQUENCE_NEXT_ON_MISS 0x00000002 /* Use next sequence if we've missed */
936
937struct drm_crtc_queue_sequence {
938 __u32 crtc_id;
939 __u32 flags;
940 __u64 sequence; /* on input, target sequence. on output, actual sequence */
941 __u64 user_data; /* user data passed to event */
942};
943
944#if defined(__cplusplus)
945}
946#endif
947
948#include "drm_mode.h"
949
950#if defined(__cplusplus)
951extern "C" {
952#endif
953
954#define DRM_IOCTL_BASE 'd'
955#define DRM_IO(nr) _IO(DRM_IOCTL_BASE,nr)
956#define DRM_IOR(nr,type) _IOR(DRM_IOCTL_BASE,nr,type)
957#define DRM_IOW(nr,type) _IOW(DRM_IOCTL_BASE,nr,type)
958#define DRM_IOWR(nr,type) _IOWR(DRM_IOCTL_BASE,nr,type)
959
960#define DRM_IOCTL_VERSION DRM_IOWR(0x00, struct drm_version)
961#define DRM_IOCTL_GET_UNIQUE DRM_IOWR(0x01, struct drm_unique)
962#define DRM_IOCTL_GET_MAGIC DRM_IOR( 0x02, struct drm_auth)
963#define DRM_IOCTL_IRQ_BUSID DRM_IOWR(0x03, struct drm_irq_busid)
964#define DRM_IOCTL_GET_MAP DRM_IOWR(0x04, struct drm_map)
965#define DRM_IOCTL_GET_CLIENT DRM_IOWR(0x05, struct drm_client)
966#define DRM_IOCTL_GET_STATS DRM_IOR( 0x06, struct drm_stats)
967#define DRM_IOCTL_SET_VERSION DRM_IOWR(0x07, struct drm_set_version)
968#define DRM_IOCTL_MODESET_CTL DRM_IOW(0x08, struct drm_modeset_ctl)
969#define DRM_IOCTL_GEM_CLOSE DRM_IOW (0x09, struct drm_gem_close)
970#define DRM_IOCTL_GEM_FLINK DRM_IOWR(0x0a, struct drm_gem_flink)
971#define DRM_IOCTL_GEM_OPEN DRM_IOWR(0x0b, struct drm_gem_open)
972#define DRM_IOCTL_GET_CAP DRM_IOWR(0x0c, struct drm_get_cap)
973#define DRM_IOCTL_SET_CLIENT_CAP DRM_IOW( 0x0d, struct drm_set_client_cap)
974
975#define DRM_IOCTL_SET_UNIQUE DRM_IOW( 0x10, struct drm_unique)
976#define DRM_IOCTL_AUTH_MAGIC DRM_IOW( 0x11, struct drm_auth)
977#define DRM_IOCTL_BLOCK DRM_IOWR(0x12, struct drm_block)
978#define DRM_IOCTL_UNBLOCK DRM_IOWR(0x13, struct drm_block)
979#define DRM_IOCTL_CONTROL DRM_IOW( 0x14, struct drm_control)
980#define DRM_IOCTL_ADD_MAP DRM_IOWR(0x15, struct drm_map)
981#define DRM_IOCTL_ADD_BUFS DRM_IOWR(0x16, struct drm_buf_desc)
982#define DRM_IOCTL_MARK_BUFS DRM_IOW( 0x17, struct drm_buf_desc)
983#define DRM_IOCTL_INFO_BUFS DRM_IOWR(0x18, struct drm_buf_info)
984#define DRM_IOCTL_MAP_BUFS DRM_IOWR(0x19, struct drm_buf_map)
985#define DRM_IOCTL_FREE_BUFS DRM_IOW( 0x1a, struct drm_buf_free)
986
987#define DRM_IOCTL_RM_MAP DRM_IOW( 0x1b, struct drm_map)
988
989#define DRM_IOCTL_SET_SAREA_CTX DRM_IOW( 0x1c, struct drm_ctx_priv_map)
990#define DRM_IOCTL_GET_SAREA_CTX DRM_IOWR(0x1d, struct drm_ctx_priv_map)
991
992#define DRM_IOCTL_SET_MASTER DRM_IO(0x1e)
993#define DRM_IOCTL_DROP_MASTER DRM_IO(0x1f)
994
995#define DRM_IOCTL_ADD_CTX DRM_IOWR(0x20, struct drm_ctx)
996#define DRM_IOCTL_RM_CTX DRM_IOWR(0x21, struct drm_ctx)
997#define DRM_IOCTL_MOD_CTX DRM_IOW( 0x22, struct drm_ctx)
998#define DRM_IOCTL_GET_CTX DRM_IOWR(0x23, struct drm_ctx)
999#define DRM_IOCTL_SWITCH_CTX DRM_IOW( 0x24, struct drm_ctx)
1000#define DRM_IOCTL_NEW_CTX DRM_IOW( 0x25, struct drm_ctx)
1001#define DRM_IOCTL_RES_CTX DRM_IOWR(0x26, struct drm_ctx_res)
1002#define DRM_IOCTL_ADD_DRAW DRM_IOWR(0x27, struct drm_draw)
1003#define DRM_IOCTL_RM_DRAW DRM_IOWR(0x28, struct drm_draw)
1004#define DRM_IOCTL_DMA DRM_IOWR(0x29, struct drm_dma)
1005#define DRM_IOCTL_LOCK DRM_IOW( 0x2a, struct drm_lock)
1006#define DRM_IOCTL_UNLOCK DRM_IOW( 0x2b, struct drm_lock)
1007#define DRM_IOCTL_FINISH DRM_IOW( 0x2c, struct drm_lock)
1008
1009#define DRM_IOCTL_PRIME_HANDLE_TO_FD DRM_IOWR(0x2d, struct drm_prime_handle)
1010#define DRM_IOCTL_PRIME_FD_TO_HANDLE DRM_IOWR(0x2e, struct drm_prime_handle)
1011
1012#define DRM_IOCTL_AGP_ACQUIRE DRM_IO( 0x30)
1013#define DRM_IOCTL_AGP_RELEASE DRM_IO( 0x31)
1014#define DRM_IOCTL_AGP_ENABLE DRM_IOW( 0x32, struct drm_agp_mode)
1015#define DRM_IOCTL_AGP_INFO DRM_IOR( 0x33, struct drm_agp_info)
1016#define DRM_IOCTL_AGP_ALLOC DRM_IOWR(0x34, struct drm_agp_buffer)
1017#define DRM_IOCTL_AGP_FREE DRM_IOW( 0x35, struct drm_agp_buffer)
1018#define DRM_IOCTL_AGP_BIND DRM_IOW( 0x36, struct drm_agp_binding)
1019#define DRM_IOCTL_AGP_UNBIND DRM_IOW( 0x37, struct drm_agp_binding)
1020
1021#define DRM_IOCTL_SG_ALLOC DRM_IOWR(0x38, struct drm_scatter_gather)
1022#define DRM_IOCTL_SG_FREE DRM_IOW( 0x39, struct drm_scatter_gather)
1023
1024#define DRM_IOCTL_WAIT_VBLANK DRM_IOWR(0x3a, union drm_wait_vblank)
1025
1026#define DRM_IOCTL_CRTC_GET_SEQUENCE DRM_IOWR(0x3b, struct drm_crtc_get_sequence)
1027#define DRM_IOCTL_CRTC_QUEUE_SEQUENCE DRM_IOWR(0x3c, struct drm_crtc_queue_sequence)
1028
1029#define DRM_IOCTL_UPDATE_DRAW DRM_IOW(0x3f, struct drm_update_draw)
1030
1031#define DRM_IOCTL_MODE_GETRESOURCES DRM_IOWR(0xA0, struct drm_mode_card_res)
1032#define DRM_IOCTL_MODE_GETCRTC DRM_IOWR(0xA1, struct drm_mode_crtc)
1033#define DRM_IOCTL_MODE_SETCRTC DRM_IOWR(0xA2, struct drm_mode_crtc)
1034#define DRM_IOCTL_MODE_CURSOR DRM_IOWR(0xA3, struct drm_mode_cursor)
1035#define DRM_IOCTL_MODE_GETGAMMA DRM_IOWR(0xA4, struct drm_mode_crtc_lut)
1036#define DRM_IOCTL_MODE_SETGAMMA DRM_IOWR(0xA5, struct drm_mode_crtc_lut)
1037#define DRM_IOCTL_MODE_GETENCODER DRM_IOWR(0xA6, struct drm_mode_get_encoder)
1038#define DRM_IOCTL_MODE_GETCONNECTOR DRM_IOWR(0xA7, struct drm_mode_get_connector)
1039#define DRM_IOCTL_MODE_ATTACHMODE DRM_IOWR(0xA8, struct drm_mode_mode_cmd) /* deprecated (never worked) */
1040#define DRM_IOCTL_MODE_DETACHMODE DRM_IOWR(0xA9, struct drm_mode_mode_cmd) /* deprecated (never worked) */
1041
1042#define DRM_IOCTL_MODE_GETPROPERTY DRM_IOWR(0xAA, struct drm_mode_get_property)
1043#define DRM_IOCTL_MODE_SETPROPERTY DRM_IOWR(0xAB, struct drm_mode_connector_set_property)
1044#define DRM_IOCTL_MODE_GETPROPBLOB DRM_IOWR(0xAC, struct drm_mode_get_blob)
1045#define DRM_IOCTL_MODE_GETFB DRM_IOWR(0xAD, struct drm_mode_fb_cmd)
1046#define DRM_IOCTL_MODE_ADDFB DRM_IOWR(0xAE, struct drm_mode_fb_cmd)
1047#define DRM_IOCTL_MODE_RMFB DRM_IOWR(0xAF, unsigned int)
1048#define DRM_IOCTL_MODE_PAGE_FLIP DRM_IOWR(0xB0, struct drm_mode_crtc_page_flip)
1049#define DRM_IOCTL_MODE_DIRTYFB DRM_IOWR(0xB1, struct drm_mode_fb_dirty_cmd)
1050
1051#define DRM_IOCTL_MODE_CREATE_DUMB DRM_IOWR(0xB2, struct drm_mode_create_dumb)
1052#define DRM_IOCTL_MODE_MAP_DUMB DRM_IOWR(0xB3, struct drm_mode_map_dumb)
1053#define DRM_IOCTL_MODE_DESTROY_DUMB DRM_IOWR(0xB4, struct drm_mode_destroy_dumb)
1054#define DRM_IOCTL_MODE_GETPLANERESOURCES DRM_IOWR(0xB5, struct drm_mode_get_plane_res)
1055#define DRM_IOCTL_MODE_GETPLANE DRM_IOWR(0xB6, struct drm_mode_get_plane)
1056#define DRM_IOCTL_MODE_SETPLANE DRM_IOWR(0xB7, struct drm_mode_set_plane)
1057#define DRM_IOCTL_MODE_ADDFB2 DRM_IOWR(0xB8, struct drm_mode_fb_cmd2)
1058#define DRM_IOCTL_MODE_OBJ_GETPROPERTIES DRM_IOWR(0xB9, struct drm_mode_obj_get_properties)
1059#define DRM_IOCTL_MODE_OBJ_SETPROPERTY DRM_IOWR(0xBA, struct drm_mode_obj_set_property)
1060#define DRM_IOCTL_MODE_CURSOR2 DRM_IOWR(0xBB, struct drm_mode_cursor2)
1061#define DRM_IOCTL_MODE_ATOMIC DRM_IOWR(0xBC, struct drm_mode_atomic)
1062#define DRM_IOCTL_MODE_CREATEPROPBLOB DRM_IOWR(0xBD, struct drm_mode_create_blob)
1063#define DRM_IOCTL_MODE_DESTROYPROPBLOB DRM_IOWR(0xBE, struct drm_mode_destroy_blob)
1064
1065#define DRM_IOCTL_SYNCOBJ_CREATE DRM_IOWR(0xBF, struct drm_syncobj_create)
1066#define DRM_IOCTL_SYNCOBJ_DESTROY DRM_IOWR(0xC0, struct drm_syncobj_destroy)
1067#define DRM_IOCTL_SYNCOBJ_HANDLE_TO_FD DRM_IOWR(0xC1, struct drm_syncobj_handle)
1068#define DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE DRM_IOWR(0xC2, struct drm_syncobj_handle)
1069#define DRM_IOCTL_SYNCOBJ_WAIT DRM_IOWR(0xC3, struct drm_syncobj_wait)
1070#define DRM_IOCTL_SYNCOBJ_RESET DRM_IOWR(0xC4, struct drm_syncobj_array)
1071#define DRM_IOCTL_SYNCOBJ_SIGNAL DRM_IOWR(0xC5, struct drm_syncobj_array)
1072
1073#define DRM_IOCTL_MODE_CREATE_LEASE DRM_IOWR(0xC6, struct drm_mode_create_lease)
1074#define DRM_IOCTL_MODE_LIST_LESSEES DRM_IOWR(0xC7, struct drm_mode_list_lessees)
1075#define DRM_IOCTL_MODE_GET_LEASE DRM_IOWR(0xC8, struct drm_mode_get_lease)
1076#define DRM_IOCTL_MODE_REVOKE_LEASE DRM_IOWR(0xC9, struct drm_mode_revoke_lease)
1077
1078#define DRM_IOCTL_SYNCOBJ_TIMELINE_WAIT DRM_IOWR(0xCA, struct drm_syncobj_timeline_wait)
1079#define DRM_IOCTL_SYNCOBJ_QUERY DRM_IOWR(0xCB, struct drm_syncobj_timeline_array)
1080#define DRM_IOCTL_SYNCOBJ_TRANSFER DRM_IOWR(0xCC, struct drm_syncobj_transfer)
1081#define DRM_IOCTL_SYNCOBJ_TIMELINE_SIGNAL DRM_IOWR(0xCD, struct drm_syncobj_timeline_array)
1082
1083#define DRM_IOCTL_MODE_GETFB2 DRM_IOWR(0xCE, struct drm_mode_fb_cmd2)
1084
1085/*
1086 * Device specific ioctls should only be in their respective headers
1087 * The device specific ioctl range is from 0x40 to 0x9f.
1088 * Generic IOCTLS restart at 0xA0.
1089 *
1090 * \sa drmCommandNone(), drmCommandRead(), drmCommandWrite(), and
1091 * drmCommandReadWrite().
1092 */
1093#define DRM_COMMAND_BASE 0x40
1094#define DRM_COMMAND_END 0xA0
1095
1096/*
1097 * Header for events written back to userspace on the drm fd. The
1098 * type defines the type of event, the length specifies the total
1099 * length of the event (including the header), and user_data is
1100 * typically a 64 bit value passed with the ioctl that triggered the
1101 * event. A read on the drm fd will always only return complete
1102 * events, that is, if for example the read buffer is 100 bytes, and
1103 * there are two 64 byte events pending, only one will be returned.
1104 *
1105 * Event types 0 - 0x7fffffff are generic drm events, 0x80000000 and
1106 * up are chipset specific.
1107 */
1108struct drm_event {
1109 __u32 type;
1110 __u32 length;
1111};
1112
1113#define DRM_EVENT_VBLANK 0x01
1114#define DRM_EVENT_FLIP_COMPLETE 0x02
1115#define DRM_EVENT_CRTC_SEQUENCE 0x03
1116
1117struct drm_event_vblank {
1118 struct drm_event base;
1119 __u64 user_data;
1120 __u32 tv_sec;
1121 __u32 tv_usec;
1122 __u32 sequence;
1123 __u32 crtc_id; /* 0 on older kernels that do not support this */
1124};
1125
1126/* Event delivered at sequence. Time stamp marks when the first pixel
1127 * of the refresh cycle leaves the display engine for the display
1128 */
1129struct drm_event_crtc_sequence {
1130 struct drm_event base;
1131 __u64 user_data;
1132 __s64 time_ns;
1133 __u64 sequence;
1134};
1135
1136/* typedef area */
1137typedef struct drm_clip_rect drm_clip_rect_t;
1138typedef struct drm_drawable_info drm_drawable_info_t;
1139typedef struct drm_tex_region drm_tex_region_t;
1140typedef struct drm_hw_lock drm_hw_lock_t;
1141typedef struct drm_version drm_version_t;
1142typedef struct drm_unique drm_unique_t;
1143typedef struct drm_list drm_list_t;
1144typedef struct drm_block drm_block_t;
1145typedef struct drm_control drm_control_t;
1146typedef enum drm_map_type drm_map_type_t;
1147typedef enum drm_map_flags drm_map_flags_t;
1148typedef struct drm_ctx_priv_map drm_ctx_priv_map_t;
1149typedef struct drm_map drm_map_t;
1150typedef struct drm_client drm_client_t;
1151typedef enum drm_stat_type drm_stat_type_t;
1152typedef struct drm_stats drm_stats_t;
1153typedef enum drm_lock_flags drm_lock_flags_t;
1154typedef struct drm_lock drm_lock_t;
1155typedef enum drm_dma_flags drm_dma_flags_t;
1156typedef struct drm_buf_desc drm_buf_desc_t;
1157typedef struct drm_buf_info drm_buf_info_t;
1158typedef struct drm_buf_free drm_buf_free_t;
1159typedef struct drm_buf_pub drm_buf_pub_t;
1160typedef struct drm_buf_map drm_buf_map_t;
1161typedef struct drm_dma drm_dma_t;
1162typedef union drm_wait_vblank drm_wait_vblank_t;
1163typedef struct drm_agp_mode drm_agp_mode_t;
1164typedef enum drm_ctx_flags drm_ctx_flags_t;
1165typedef struct drm_ctx drm_ctx_t;
1166typedef struct drm_ctx_res drm_ctx_res_t;
1167typedef struct drm_draw drm_draw_t;
1168typedef struct drm_update_draw drm_update_draw_t;
1169typedef struct drm_auth drm_auth_t;
1170typedef struct drm_irq_busid drm_irq_busid_t;
1171typedef enum drm_vblank_seq_type drm_vblank_seq_type_t;
1172
1173typedef struct drm_agp_buffer drm_agp_buffer_t;
1174typedef struct drm_agp_binding drm_agp_binding_t;
1175typedef struct drm_agp_info drm_agp_info_t;
1176typedef struct drm_scatter_gather drm_scatter_gather_t;
1177typedef struct drm_set_version drm_set_version_t;
1178
1179#if defined(__cplusplus)
1180}
1181#endif
1182
1183#endif
1184

source code of include/libdrm/drm.h