aboutsummaryrefslogtreecommitdiffstats
path: root/include/drm/vmwgfx_drm.h
blob: 4d0842391edc666f8985329fed245b989e3a0c2d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
/**************************************************************************
 *
 * Copyright © 2009 VMware, Inc., Palo Alto, CA., USA
 * All Rights Reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sub license, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice (including the
 * next paragraph) shall be included in all copies or substantial portions
 * of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
 * USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 **************************************************************************/

#ifndef __VMWGFX_DRM_H__
#define __VMWGFX_DRM_H__

#define DRM_VMW_MAX_SURFACE_FACES 6
#define DRM_VMW_MAX_MIP_LEVELS 24

#define DRM_VMW_EXT_NAME_LEN 128

#define DRM_VMW_GET_PARAM            0
#define DRM_VMW_ALLOC_DMABUF         1
#define DRM_VMW_UNREF_DMABUF         2
#define DRM_VMW_CURSOR_BYPASS        3
/* guarded by DRM_VMW_PARAM_NUM_STREAMS != 0*/
#define DRM_VMW_CONTROL_STREAM       4
#define DRM_VMW_CLAIM_STREAM         5
#define DRM_VMW_UNREF_STREAM         6
/* guarded by DRM_VMW_PARAM_3D == 1 */
#define DRM_VMW_CREATE_CONTEXT       7
#define DRM_VMW_UNREF_CONTEXT        8
#define DRM_VMW_CREATE_SURFACE       9
#define DRM_VMW_UNREF_SURFACE        10
#define DRM_VMW_REF_SURFACE          11
#define DRM_VMW_EXECBUF              12
#define DRM_VMW_FIFO_DEBUG           13
#define DRM_VMW_FENCE_WAIT           14
/* guarded by minor version >= 2 */
#define DRM_VMW_UPDATE_LAYOUT        15


/*************************************************************************/
/**
 * DRM_VMW_GET_PARAM - get device information.
 *
 * DRM_VMW_PARAM_FIFO_OFFSET:
 * Offset to use to map the first page of the FIFO read-only.
 * The fifo is mapped using the mmap() system call on the drm device.
 *
 * DRM_VMW_PARAM_OVERLAY_IOCTL:
 * Does the driver support the overlay ioctl.
 */

#define DRM_VMW_PARAM_NUM_STREAMS      0
#define DRM_VMW_PARAM_NUM_FREE_STREAMS 1
#define DRM_VMW_PARAM_3D               2
#define DRM_VMW_PARAM_FIFO_OFFSET      3
#define DRM_VMW_PARAM_HW_CAPS          4
#define DRM_VMW_PARAM_FIFO_CAPS        5

/**
 * struct drm_vmw_getparam_arg
 *
 * @value: Returned value. //Out
 * @param: Parameter to query. //In.
 *
 * Argument to the DRM_VMW_GET_PARAM Ioctl.
 */

struct drm_vmw_getparam_arg {
	uint64_t value;
	uint32_t param;
	uint32_t pad64;
};

/*************************************************************************/
/**
 * DRM_VMW_EXTENSION - Query device extensions.
 */

/**
 * struct drm_vmw_extension_rep
 *
 * @exists: The queried extension exists.
 * @driver_ioctl_offset: Ioctl number of the first ioctl in the extension.
 * @driver_sarea_offset: Offset to any space in the DRI SAREA
 * used by the extension.
 * @major: Major version number of the extension.
 * @minor: Minor version number of the extension.
 * @pl: Patch level version number of the extension.
 *
 * Output argument to the DRM_VMW_EXTENSION Ioctl.
 */

struct drm_vmw_extension_rep {
	int32_t exists;
	uint32_t driver_ioctl_offset;
	uint32_t driver_sarea_offset;
	uint32_t major;
	uint32_t minor;
	uint32_t pl;
	uint32_t pad64;
};

/**
 * union drm_vmw_extension_arg
 *
 * @extension - Ascii name of the extension to be queried. //In
 * @rep - Reply as defined above. //Out
 *
 * Argument to the DRM_VMW_EXTENSION Ioctl.
 */

union drm_vmw_extension_arg {
	char extension[DRM_VMW_EXT_NAME_LEN];
	struct drm_vmw_extension_rep rep;
};

/*************************************************************************/
/**
 * DRM_VMW_CREATE_CONTEXT - Create a host context.
 *
 * Allocates a device unique context id, and queues a create context command
 * for the host. Does not wait for host completion.
 */

/**
 * struct drm_vmw_context_arg
 *
 * @cid: Device unique context ID.
 *
 * Output argument to the DRM_VMW_CREATE_CONTEXT Ioctl.
 * Input argument to the DRM_VMW_UNREF_CONTEXT Ioctl.
 */

struct drm_vmw_context_arg {
	int32_t cid;
	uint32_t pad64;
};

/*************************************************************************/
/**
 * DRM_VMW_UNREF_CONTEXT - Create a host context.
 *
 * Frees a global context id, and queues a destroy host command for the host.
 * Does not wait for host completion. The context ID can be used directly
 * in the command stream and shows up as the same context ID on the host.
 */

/*************************************************************************/
/**
 * DRM_VMW_CREATE_SURFACE - Create a host suface.
 *
 * Allocates a device unique surface id, and queues a create surface command
 * for the host. Does not wait for host completion. The surface ID can be
 * used directly in the command stream and shows up as the same surface
 * ID on the host.
 */

/**
 * struct drm_wmv_surface_create_req
 *
 * @flags: Surface flags as understood by the host.
 * @format: Surface format as understood by the host.
 * @mip_levels: Number of mip levels for each face.
 * An unused face should have 0 encoded.
 * @size_addr: Address of a user-space array of sruct drm_vmw_size
 * cast to an uint64_t for 32-64 bit compatibility.
 * The size of the array should equal the total number of mipmap levels.
 * @shareable: Boolean whether other clients (as identified by file descriptors)
 * may reference this surface.
 * @scanout: Boolean whether the surface is intended to be used as a
 * scanout.
 *
 * Input data to the DRM_VMW_CREATE_SURFACE Ioctl.
 * Output data from the DRM_VMW_REF_SURFACE Ioctl.
 */

struct drm_vmw_surface_create_req {
	uint32_t flags;
	uint32_t format;
	uint32_t mip_levels[DRM_VMW_MAX_SURFACE_FACES];
	uint64_t size_addr;
	int32_t shareable;
	int32_t scanout;
};

/**
 * struct drm_wmv_surface_arg
 *
 * @sid: Surface id of created surface or surface to destroy or reference.
 *
 * Output data from the DRM_VMW_CREATE_SURFACE Ioctl.
 * Input argument to the DRM_VMW_UNREF_SURFACE Ioctl.
 * Input argument to the DRM_VMW_REF_SURFACE Ioctl.
 */

struct drm_vmw_surface_arg {
	int32_t sid;
	uint32_t pad64;
};

/**
 * struct drm_vmw_size ioctl.
 *
 * @width - mip level width
 * @height - mip level height
 * @depth - mip level depth
 *
 * Description of a mip level.
 * Input data to the DRM_WMW_CREATE_SURFACE Ioctl.
 */

struct drm_vmw_size {
	uint32_t width;
	uint32_t height;
	uint32_t depth;
	uint32_t pad64;
};

/**
 * union drm_vmw_surface_create_arg
 *
 * @rep: Output data as described above.
 * @req: Input data as described above.
 *
 * Argument to the DRM_VMW_CREATE_SURFACE Ioctl.
 */

union drm_vmw_surface_create_arg {
	struct drm_vmw_surface_arg rep;
	struct drm_vmw_surface_create_req req;
};

/*************************************************************************/
/**
 * DRM_VMW_REF_SURFACE - Reference a host surface.
 *
 * Puts a reference on a host surface with a give sid, as previously
 * returned by the DRM_VMW_CREATE_SURFACE ioctl.
 * A reference will make sure the surface isn't destroyed while we hold
 * it and will allow the calling client to use the surface ID in the command
 * stream.
 *
 * On successful return, the Ioctl returns the surface information given
 * in the DRM_VMW_CREATE_SURFACE ioctl.
 */

/**
 * union drm_vmw_surface_reference_arg
 *
 * @rep: Output data as described above.
 * @req: Input data as described above.
 *
 * Argument to the DRM_VMW_REF_SURFACE Ioctl.
 */

union drm_vmw_surface_reference_arg {
	struct drm_vmw_surface_create_req rep;
	struct drm_vmw_surface_arg req;
};

/*************************************************************************/
/**
 * DRM_VMW_UNREF_SURFACE - Unreference a host surface.
 *
 * Clear a reference previously put on a host surface.
 * When all references are gone, including the one implicitly placed
 * on creation,
 * a destroy surface command will be queued for the host.
 * Does not wait for completion.
 */

/*************************************************************************/
/**
 * DRM_VMW_EXECBUF
 *
 * Submit a command buffer for execution on the host, and return a
 * fence sequence that when signaled, indicates that the command buffer has
 * executed.
 */

/**
 * struct drm_vmw_execbuf_arg
 *
 * @commands: User-space address of a command buffer cast to an uint64_t.
 * @command-size: Size in bytes of the command buffer.
 * @throttle-us: Sleep until software is less than @throttle_us
 * microseconds ahead of hardware. The driver may round this value
 * to the nearest kernel tick.
 * @fence_rep: User-space address of a struct drm_vmw_fence_rep cast to an
 * uint64_t.
 * @version: Allows expanding the execbuf ioctl parameters without breaking
 * backwards compatibility, since user-space will always tell the kernel
 * which version it uses.
 * @flags: Execbuf flags. None currently.
 *
 * Argument to the DRM_VMW_EXECBUF Ioctl.
 */

#define DRM_VMW_EXECBUF_VERSION 0

struct drm_vmw_execbuf_arg {
	uint64_t commands;
	uint32_t command_size;
	uint32_t throttle_us;
	uint64_t fence_rep;
	 uint32_t version;
	 uint32_t flags;
};

/**
 * struct drm_vmw_fence_rep
 *
 * @fence_seq: Fence sequence associated with a command submission.
 * @error: This member should've been set to -EFAULT on submission.
 * The following actions should be take on completion:
 * error == -EFAULT: Fence communication failed. The host is synchronized.
 * Use the last fence id read from the FIFO fence register.
 * error != 0 && error != -EFAULT:
 * Fence submission failed. The host is synchronized. Use the fence_seq member.
 * error == 0: All is OK, The host may not be synchronized.
 * Use the fence_seq member.
 *
 * Input / Output data to the DRM_VMW_EXECBUF Ioctl.
 */

struct drm_vmw_fence_rep {
	uint64_t fence_seq;
	int32_t error;
	uint32_t pad64;
};

/*************************************************************************/
/**
 * DRM_VMW_ALLOC_DMABUF
 *
 * Allocate a DMA buffer that is visible also to the host.
 * NOTE: The buffer is
 * identified by a handle and an offset, which are private to the guest, but
 * useable in the command stream. The guest kernel may translate these
 * and patch up the command stream accordingly. In the future, the offset may
 * be zero at all times, or it may disappear from the interface before it is
 * fixed.
 *
 * The DMA buffer may stay user-space mapped in the guest at all times,
 * and is thus suitable for sub-allocation.
 *
 * DMA buffers are mapped using the mmap() syscall on the drm device.
 */

/**
 * struct drm_vmw_alloc_dmabuf_req
 *
 * @size: Required minimum size of the buffer.
 *
 * Input data to the DRM_VMW_ALLOC_DMABUF Ioctl.
 */

struct drm_vmw_alloc_dmabuf_req {
	uint32_t size;
	uint32_t pad64;
};

/**
 * struct drm_vmw_dmabuf_rep
 *
 * @map_handle: Offset to use in the mmap() call used to map the buffer.
 * @handle: Handle unique to this buffer. Used for unreferencing.
 * @cur_gmr_id: GMR id to use in the command stream when this buffer is
 * referenced. See not above.
 * @cur_gmr_offset: Offset to use in the command stream when this buffer is
 * referenced. See note above.
 *
 * Output data from the DRM_VMW_ALLOC_DMABUF Ioctl.
 */

struct drm_vmw_dmabuf_rep {
	uint64_t map_handle;
	uint32_t handle;
	uint32_t cur_gmr_id;
	uint32_t cur_gmr_offset;
	uint32_t pad64;
};

/**
 * union drm_vmw_dmabuf_arg
 *
 * @req: Input data as described above.
 * @rep: Output data as described above.
 *
 * Argument to the DRM_VMW_ALLOC_DMABUF Ioctl.
 */

union drm_vmw_alloc_dmabuf_arg {
	struct drm_vmw_alloc_dmabuf_req req;
	struct drm_vmw_dmabuf_rep rep;
};

/*************************************************************************/
/**
 * DRM_VMW_UNREF_DMABUF - Free a DMA buffer.
 *
 */

/**
 * struct drm_vmw_unref_dmabuf_arg
 *
 * @handle: Handle indicating what buffer to free. Obtained from the
 * DRM_VMW_ALLOC_DMABUF Ioctl.
 *
 * Argument to the DRM_VMW_UNREF_DMABUF Ioctl.
 */

struct drm_vmw_unref_dmabuf_arg {
	uint32_t handle;
	uint32_t pad64;
};

/*************************************************************************/
/**
 * DRM_VMW_FIFO_DEBUG - Get last FIFO submission.
 *
 * This IOCTL copies the last FIFO submission directly out of the FIFO buffer.
 */

/**
 * struct drm_vmw_fifo_debug_arg
 *
 * @debug_buffer: User space address of a debug_buffer cast to an uint64_t //In
 * @debug_buffer_size: Size in bytes of debug buffer //In
 * @used_size: Number of bytes copied to the buffer // Out
 * @did_not_fit: Boolean indicating that the fifo contents did not fit. //Out
 *
 * Argument to the DRM_VMW_FIFO_DEBUG Ioctl.
 */

struct drm_vmw_fifo_debug_arg {
	uint64_t debug_buffer;
	uint32_t debug_buffer_size;
	uint32_t used_size;
	int32_t did_not_fit;
	uint32_t pad64;
};

struct drm_vmw_fence_wait_arg {
	uint64_t sequence;
	uint64_t kernel_cookie;
	int32_t cookie_valid;
	int32_t pad64;
};

/*************************************************************************/
/**
 * DRM_VMW_CONTROL_STREAM - Control overlays, aka streams.
 *
 * This IOCTL controls the overlay units of the svga device.
 * The SVGA overlay units does not work like regular hardware units in
 * that they do not automaticaly read back the contents of the given dma
 * buffer. But instead only read back for each call to this ioctl, and
 * at any point between this call being made and a following call that
 * either changes the buffer or disables the stream.
 */

/**
 * struct drm_vmw_rect
 *
 * Defines a rectangle. Used in the overlay ioctl to define
 * source and destination rectangle.
 */

struct drm_vmw_rect {
	int32_t x;
	int32_t y;
	uint32_t w;
	uint32_t h;
};

/**
 * struct drm_vmw_control_stream_arg
 *
 * @stream_id: Stearm to control
 * @enabled: If false all following arguments are ignored.
 * @handle: Handle to buffer for getting data from.
 * @format: Format of the overlay as understood by the host.
 * @width: Width of the overlay.
 * @height: Height of the overlay.
 * @size: Size of the overlay in bytes.
 * @pitch: Array of pitches, the two last are only used for YUV12 formats.
 * @offset: Offset from start of dma buffer to overlay.
 * @src: Source rect, must be within the defined area above.
 * @dst: Destination rect, x and y may be negative.
 *
 * Argument to the DRM_VMW_CONTROL_STREAM Ioctl.
 */

struct drm_vmw_control_stream_arg {
	uint32_t stream_id;
	uint32_t enabled;

	uint32_t flags;
	uint32_t color_key;

	uint32_t handle;
	uint32_t offset;
	int32_t format;
	uint32_t size;
	uint32_t width;
	uint32_t height;
	uint32_t pitch[3];

	uint32_t pad64;
	struct drm_vmw_rect src;
	struct drm_vmw_rect dst;
};

/*************************************************************************/
/**
 * DRM_VMW_CURSOR_BYPASS - Give extra information about cursor bypass.
 *
 */

#define DRM_VMW_CURSOR_BYPASS_ALL    (1 << 0)
#define DRM_VMW_CURSOR_BYPASS_FLAGS       (1)

/**
 * struct drm_vmw_cursor_bypass_arg
 *
 * @flags: Flags.
 * @crtc_id: Crtc id, only used if DMR_CURSOR_BYPASS_ALL isn't passed.
 * @xpos: X position of cursor.
 * @ypos: Y position of cursor.
 * @xhot: X hotspot.
 * @yhot: Y hotspot.
 *
 * Argument to the DRM_VMW_CURSOR_BYPASS Ioctl.
 */

struct drm_vmw_cursor_bypass_arg {
	uint32_t flags;
	uint32_t crtc_id;
	int32_t xpos;
	int32_t ypos;
	int32_t xhot;
	int32_t yhot;
};

/*************************************************************************/
/**
 * DRM_VMW_CLAIM_STREAM - Claim a single stream.
 */

/**
 * struct drm_vmw_context_arg
 *
 * @stream_id: Device unique context ID.
 *
 * Output argument to the DRM_VMW_CREATE_CONTEXT Ioctl.
 * Input argument to the DRM_VMW_UNREF_CONTEXT Ioctl.
 */

struct drm_vmw_stream_arg {
	uint32_t stream_id;
	uint32_t pad64;
};

/*************************************************************************/
/**
 * DRM_VMW_UNREF_STREAM - Unclaim a stream.
 *
 * Return a single stream that was claimed by this process. Also makes
 * sure that the stream has been stopped.
 */

/*************************************************************************/
/**
 * DRM_VMW_UPDATE_LAYOUT - Update layout
 *
 * Updates the prefered modes and connection status for connectors. The
 * command conisits of one drm_vmw_update_layout_arg pointing out a array
 * of num_outputs drm_vmw_rect's.
 */

/**
 * struct drm_vmw_update_layout_arg
 *
 * @num_outputs: number of active
 * @rects: pointer to array of drm_vmw_rect
 *
 * Input argument to the DRM_VMW_UPDATE_LAYOUT Ioctl.
 */

struct drm_vmw_update_layout_arg {
	uint32_t num_outputs;
	uint32_t pad64;
	uint64_t rects;
};

#endif