1/**************************************************************************
2 *
3 * Copyright © 2009-2015 VMware, Inc., Palo Alto, CA., USA
4 * All Rights Reserved.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
13 *
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
16 * of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
21 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
22 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
23 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
24 * USE OR OTHER DEALINGS IN THE SOFTWARE.
25 *
26 **************************************************************************/
27
28#ifndef __VMWGFX_DRM_H__
29#define __VMWGFX_DRM_H__
30
31#include "drm.h"
32
33#if defined(__cplusplus)
34extern "C" {
35#endif
36
37#define DRM_VMW_MAX_SURFACE_FACES 6
38#define DRM_VMW_MAX_MIP_LEVELS 24
39
40
41#define DRM_VMW_GET_PARAM            0
42#define DRM_VMW_ALLOC_DMABUF         1
43#define DRM_VMW_ALLOC_BO             1
44#define DRM_VMW_UNREF_DMABUF         2
45#define DRM_VMW_HANDLE_CLOSE         2
46#define DRM_VMW_CURSOR_BYPASS        3
47/* guarded by DRM_VMW_PARAM_NUM_STREAMS != 0*/
48#define DRM_VMW_CONTROL_STREAM       4
49#define DRM_VMW_CLAIM_STREAM         5
50#define DRM_VMW_UNREF_STREAM         6
51/* guarded by DRM_VMW_PARAM_3D == 1 */
52#define DRM_VMW_CREATE_CONTEXT       7
53#define DRM_VMW_UNREF_CONTEXT        8
54#define DRM_VMW_CREATE_SURFACE       9
55#define DRM_VMW_UNREF_SURFACE        10
56#define DRM_VMW_REF_SURFACE          11
57#define DRM_VMW_EXECBUF              12
58#define DRM_VMW_GET_3D_CAP           13
59#define DRM_VMW_FENCE_WAIT           14
60#define DRM_VMW_FENCE_SIGNALED       15
61#define DRM_VMW_FENCE_UNREF          16
62#define DRM_VMW_FENCE_EVENT          17
63#define DRM_VMW_PRESENT              18
64#define DRM_VMW_PRESENT_READBACK     19
65#define DRM_VMW_UPDATE_LAYOUT        20
66#define DRM_VMW_CREATE_SHADER        21
67#define DRM_VMW_UNREF_SHADER         22
68#define DRM_VMW_GB_SURFACE_CREATE    23
69#define DRM_VMW_GB_SURFACE_REF       24
70#define DRM_VMW_SYNCCPU              25
71#define DRM_VMW_CREATE_EXTENDED_CONTEXT 26
72#define DRM_VMW_GB_SURFACE_CREATE_EXT   27
73#define DRM_VMW_GB_SURFACE_REF_EXT      28
74#define DRM_VMW_MSG                     29
75#define DRM_VMW_MKSSTAT_RESET           30
76#define DRM_VMW_MKSSTAT_ADD             31
77#define DRM_VMW_MKSSTAT_REMOVE          32
78
79/*************************************************************************/
80/**
81 * DRM_VMW_GET_PARAM - get device information.
82 *
83 * DRM_VMW_PARAM_FIFO_OFFSET:
84 * Offset to use to map the first page of the FIFO read-only.
85 * The fifo is mapped using the mmap() system call on the drm device.
86 *
87 * DRM_VMW_PARAM_OVERLAY_IOCTL:
88 * Does the driver support the overlay ioctl.
89 *
90 * DRM_VMW_PARAM_SM4_1
91 * SM4_1 support is enabled.
92 *
93 * DRM_VMW_PARAM_SM5
94 * SM5 support is enabled.
95 */
96
97#define DRM_VMW_PARAM_NUM_STREAMS      0
98#define DRM_VMW_PARAM_NUM_FREE_STREAMS 1
99#define DRM_VMW_PARAM_3D               2
100#define DRM_VMW_PARAM_HW_CAPS          3
101#define DRM_VMW_PARAM_FIFO_CAPS        4
102#define DRM_VMW_PARAM_MAX_FB_SIZE      5
103#define DRM_VMW_PARAM_FIFO_HW_VERSION  6
104#define DRM_VMW_PARAM_MAX_SURF_MEMORY  7
105#define DRM_VMW_PARAM_3D_CAPS_SIZE     8
106#define DRM_VMW_PARAM_MAX_MOB_MEMORY   9
107#define DRM_VMW_PARAM_MAX_MOB_SIZE     10
108#define DRM_VMW_PARAM_SCREEN_TARGET    11
109#define DRM_VMW_PARAM_DX               12
110#define DRM_VMW_PARAM_HW_CAPS2         13
111#define DRM_VMW_PARAM_SM4_1            14
112#define DRM_VMW_PARAM_SM5              15
113
114/**
115 * enum drm_vmw_handle_type - handle type for ref ioctls
116 *
117 */
118enum drm_vmw_handle_type {
119	DRM_VMW_HANDLE_LEGACY = 0,
120	DRM_VMW_HANDLE_PRIME = 1
121};
122
123/**
124 * struct drm_vmw_getparam_arg
125 *
126 * @value: Returned value. //Out
127 * @param: Parameter to query. //In.
128 *
129 * Argument to the DRM_VMW_GET_PARAM Ioctl.
130 */
131
132struct drm_vmw_getparam_arg {
133	__u64 value;
134	__u32 param;
135	__u32 pad64;
136};
137
138/*************************************************************************/
139/**
140 * DRM_VMW_CREATE_CONTEXT - Create a host context.
141 *
142 * Allocates a device unique context id, and queues a create context command
143 * for the host. Does not wait for host completion.
144 */
145
146/**
147 * struct drm_vmw_context_arg
148 *
149 * @cid: Device unique context ID.
150 *
151 * Output argument to the DRM_VMW_CREATE_CONTEXT Ioctl.
152 * Input argument to the DRM_VMW_UNREF_CONTEXT Ioctl.
153 */
154
155struct drm_vmw_context_arg {
156	__s32 cid;
157	__u32 pad64;
158};
159
160/*************************************************************************/
161/**
162 * DRM_VMW_UNREF_CONTEXT - Create a host context.
163 *
164 * Frees a global context id, and queues a destroy host command for the host.
165 * Does not wait for host completion. The context ID can be used directly
166 * in the command stream and shows up as the same context ID on the host.
167 */
168
169/*************************************************************************/
170/**
171 * DRM_VMW_CREATE_SURFACE - Create a host suface.
172 *
173 * Allocates a device unique surface id, and queues a create surface command
174 * for the host. Does not wait for host completion. The surface ID can be
175 * used directly in the command stream and shows up as the same surface
176 * ID on the host.
177 */
178
179/**
180 * struct drm_wmv_surface_create_req
181 *
182 * @flags: Surface flags as understood by the host.
183 * @format: Surface format as understood by the host.
184 * @mip_levels: Number of mip levels for each face.
185 * An unused face should have 0 encoded.
186 * @size_addr: Address of a user-space array of sruct drm_vmw_size
187 * cast to an __u64 for 32-64 bit compatibility.
188 * The size of the array should equal the total number of mipmap levels.
189 * @shareable: Boolean whether other clients (as identified by file descriptors)
190 * may reference this surface.
191 * @scanout: Boolean whether the surface is intended to be used as a
192 * scanout.
193 *
194 * Input data to the DRM_VMW_CREATE_SURFACE Ioctl.
195 * Output data from the DRM_VMW_REF_SURFACE Ioctl.
196 */
197
198struct drm_vmw_surface_create_req {
199	__u32 flags;
200	__u32 format;
201	__u32 mip_levels[DRM_VMW_MAX_SURFACE_FACES];
202	__u64 size_addr;
203	__s32 shareable;
204	__s32 scanout;
205};
206
207/**
208 * struct drm_wmv_surface_arg
209 *
210 * @sid: Surface id of created surface or surface to destroy or reference.
211 * @handle_type: Handle type for DRM_VMW_REF_SURFACE Ioctl.
212 *
213 * Output data from the DRM_VMW_CREATE_SURFACE Ioctl.
214 * Input argument to the DRM_VMW_UNREF_SURFACE Ioctl.
215 * Input argument to the DRM_VMW_REF_SURFACE Ioctl.
216 */
217
218struct drm_vmw_surface_arg {
219	__s32 sid;
220	enum drm_vmw_handle_type handle_type;
221};
222
223/**
224 * struct drm_vmw_size ioctl.
225 *
226 * @width - mip level width
227 * @height - mip level height
228 * @depth - mip level depth
229 *
230 * Description of a mip level.
231 * Input data to the DRM_WMW_CREATE_SURFACE Ioctl.
232 */
233
234struct drm_vmw_size {
235	__u32 width;
236	__u32 height;
237	__u32 depth;
238	__u32 pad64;
239};
240
241/**
242 * union drm_vmw_surface_create_arg
243 *
244 * @rep: Output data as described above.
245 * @req: Input data as described above.
246 *
247 * Argument to the DRM_VMW_CREATE_SURFACE Ioctl.
248 */
249
250union drm_vmw_surface_create_arg {
251	struct drm_vmw_surface_arg rep;
252	struct drm_vmw_surface_create_req req;
253};
254
255/*************************************************************************/
256/**
257 * DRM_VMW_REF_SURFACE - Reference a host surface.
258 *
259 * Puts a reference on a host surface with a give sid, as previously
260 * returned by the DRM_VMW_CREATE_SURFACE ioctl.
261 * A reference will make sure the surface isn't destroyed while we hold
262 * it and will allow the calling client to use the surface ID in the command
263 * stream.
264 *
265 * On successful return, the Ioctl returns the surface information given
266 * in the DRM_VMW_CREATE_SURFACE ioctl.
267 */
268
269/**
270 * union drm_vmw_surface_reference_arg
271 *
272 * @rep: Output data as described above.
273 * @req: Input data as described above.
274 *
275 * Argument to the DRM_VMW_REF_SURFACE Ioctl.
276 */
277
278union drm_vmw_surface_reference_arg {
279	struct drm_vmw_surface_create_req rep;
280	struct drm_vmw_surface_arg req;
281};
282
283/*************************************************************************/
284/**
285 * DRM_VMW_UNREF_SURFACE - Unreference a host surface.
286 *
287 * Clear a reference previously put on a host surface.
288 * When all references are gone, including the one implicitly placed
289 * on creation,
290 * a destroy surface command will be queued for the host.
291 * Does not wait for completion.
292 */
293
294/*************************************************************************/
295/**
296 * DRM_VMW_EXECBUF
297 *
298 * Submit a command buffer for execution on the host, and return a
299 * fence seqno that when signaled, indicates that the command buffer has
300 * executed.
301 */
302
303/**
304 * struct drm_vmw_execbuf_arg
305 *
306 * @commands: User-space address of a command buffer cast to an __u64.
307 * @command-size: Size in bytes of the command buffer.
308 * @throttle-us: Sleep until software is less than @throttle_us
309 * microseconds ahead of hardware. The driver may round this value
310 * to the nearest kernel tick.
311 * @fence_rep: User-space address of a struct drm_vmw_fence_rep cast to an
312 * __u64.
313 * @version: Allows expanding the execbuf ioctl parameters without breaking
314 * backwards compatibility, since user-space will always tell the kernel
315 * which version it uses.
316 * @flags: Execbuf flags.
317 * @imported_fence_fd:  FD for a fence imported from another device
318 *
319 * Argument to the DRM_VMW_EXECBUF Ioctl.
320 */
321
322#define DRM_VMW_EXECBUF_VERSION 2
323
324#define DRM_VMW_EXECBUF_FLAG_IMPORT_FENCE_FD (1 << 0)
325#define DRM_VMW_EXECBUF_FLAG_EXPORT_FENCE_FD (1 << 1)
326
327struct drm_vmw_execbuf_arg {
328	__u64 commands;
329	__u32 command_size;
330	__u32 throttle_us;
331	__u64 fence_rep;
332	__u32 version;
333	__u32 flags;
334	__u32 context_handle;
335	__s32 imported_fence_fd;
336};
337
338/**
339 * struct drm_vmw_fence_rep
340 *
341 * @handle: Fence object handle for fence associated with a command submission.
342 * @mask: Fence flags relevant for this fence object.
343 * @seqno: Fence sequence number in fifo. A fence object with a lower
344 * seqno will signal the EXEC flag before a fence object with a higher
345 * seqno. This can be used by user-space to avoid kernel calls to determine
346 * whether a fence has signaled the EXEC flag. Note that @seqno will
347 * wrap at 32-bit.
348 * @passed_seqno: The highest seqno number processed by the hardware
349 * so far. This can be used to mark user-space fence objects as signaled, and
350 * to determine whether a fence seqno might be stale.
351 * @fd: FD associated with the fence, -1 if not exported
352 * @error: This member should've been set to -EFAULT on submission.
353 * The following actions should be take on completion:
354 * error == -EFAULT: Fence communication failed. The host is synchronized.
355 * Use the last fence id read from the FIFO fence register.
356 * error != 0 && error != -EFAULT:
357 * Fence submission failed. The host is synchronized. Use the fence_seq member.
358 * error == 0: All is OK, The host may not be synchronized.
359 * Use the fence_seq member.
360 *
361 * Input / Output data to the DRM_VMW_EXECBUF Ioctl.
362 */
363
364struct drm_vmw_fence_rep {
365	__u32 handle;
366	__u32 mask;
367	__u32 seqno;
368	__u32 passed_seqno;
369	__s32 fd;
370	__s32 error;
371};
372
373/*************************************************************************/
374/**
375 * DRM_VMW_ALLOC_BO
376 *
377 * Allocate a buffer object that is visible also to the host.
378 * NOTE: The buffer is
379 * identified by a handle and an offset, which are private to the guest, but
380 * useable in the command stream. The guest kernel may translate these
381 * and patch up the command stream accordingly. In the future, the offset may
382 * be zero at all times, or it may disappear from the interface before it is
383 * fixed.
384 *
385 * The buffer object may stay user-space mapped in the guest at all times,
386 * and is thus suitable for sub-allocation.
387 *
388 * Buffer objects are mapped using the mmap() syscall on the drm device.
389 */
390
391/**
392 * struct drm_vmw_alloc_bo_req
393 *
394 * @size: Required minimum size of the buffer.
395 *
396 * Input data to the DRM_VMW_ALLOC_BO Ioctl.
397 */
398
399struct drm_vmw_alloc_bo_req {
400	__u32 size;
401	__u32 pad64;
402};
403#define drm_vmw_alloc_dmabuf_req drm_vmw_alloc_bo_req
404
405/**
406 * struct drm_vmw_bo_rep
407 *
408 * @map_handle: Offset to use in the mmap() call used to map the buffer.
409 * @handle: Handle unique to this buffer. Used for unreferencing.
410 * @cur_gmr_id: GMR id to use in the command stream when this buffer is
411 * referenced. See not above.
412 * @cur_gmr_offset: Offset to use in the command stream when this buffer is
413 * referenced. See note above.
414 *
415 * Output data from the DRM_VMW_ALLOC_BO Ioctl.
416 */
417
418struct drm_vmw_bo_rep {
419	__u64 map_handle;
420	__u32 handle;
421	__u32 cur_gmr_id;
422	__u32 cur_gmr_offset;
423	__u32 pad64;
424};
425#define drm_vmw_dmabuf_rep drm_vmw_bo_rep
426
427/**
428 * union drm_vmw_alloc_bo_arg
429 *
430 * @req: Input data as described above.
431 * @rep: Output data as described above.
432 *
433 * Argument to the DRM_VMW_ALLOC_BO Ioctl.
434 */
435
436union drm_vmw_alloc_bo_arg {
437	struct drm_vmw_alloc_bo_req req;
438	struct drm_vmw_bo_rep rep;
439};
440#define drm_vmw_alloc_dmabuf_arg drm_vmw_alloc_bo_arg
441
442/*************************************************************************/
443/**
444 * DRM_VMW_CONTROL_STREAM - Control overlays, aka streams.
445 *
446 * This IOCTL controls the overlay units of the svga device.
447 * The SVGA overlay units does not work like regular hardware units in
448 * that they do not automaticaly read back the contents of the given dma
449 * buffer. But instead only read back for each call to this ioctl, and
450 * at any point between this call being made and a following call that
451 * either changes the buffer or disables the stream.
452 */
453
454/**
455 * struct drm_vmw_rect
456 *
457 * Defines a rectangle. Used in the overlay ioctl to define
458 * source and destination rectangle.
459 */
460
461struct drm_vmw_rect {
462	__s32 x;
463	__s32 y;
464	__u32 w;
465	__u32 h;
466};
467
468/**
469 * struct drm_vmw_control_stream_arg
470 *
471 * @stream_id: Stearm to control
472 * @enabled: If false all following arguments are ignored.
473 * @handle: Handle to buffer for getting data from.
474 * @format: Format of the overlay as understood by the host.
475 * @width: Width of the overlay.
476 * @height: Height of the overlay.
477 * @size: Size of the overlay in bytes.
478 * @pitch: Array of pitches, the two last are only used for YUV12 formats.
479 * @offset: Offset from start of dma buffer to overlay.
480 * @src: Source rect, must be within the defined area above.
481 * @dst: Destination rect, x and y may be negative.
482 *
483 * Argument to the DRM_VMW_CONTROL_STREAM Ioctl.
484 */
485
486struct drm_vmw_control_stream_arg {
487	__u32 stream_id;
488	__u32 enabled;
489
490	__u32 flags;
491	__u32 color_key;
492
493	__u32 handle;
494	__u32 offset;
495	__s32 format;
496	__u32 size;
497	__u32 width;
498	__u32 height;
499	__u32 pitch[3];
500
501	__u32 pad64;
502	struct drm_vmw_rect src;
503	struct drm_vmw_rect dst;
504};
505
506/*************************************************************************/
507/**
508 * DRM_VMW_CURSOR_BYPASS - Give extra information about cursor bypass.
509 *
510 */
511
512#define DRM_VMW_CURSOR_BYPASS_ALL    (1 << 0)
513#define DRM_VMW_CURSOR_BYPASS_FLAGS       (1)
514
515/**
516 * struct drm_vmw_cursor_bypass_arg
517 *
518 * @flags: Flags.
519 * @crtc_id: Crtc id, only used if DMR_CURSOR_BYPASS_ALL isn't passed.
520 * @xpos: X position of cursor.
521 * @ypos: Y position of cursor.
522 * @xhot: X hotspot.
523 * @yhot: Y hotspot.
524 *
525 * Argument to the DRM_VMW_CURSOR_BYPASS Ioctl.
526 */
527
528struct drm_vmw_cursor_bypass_arg {
529	__u32 flags;
530	__u32 crtc_id;
531	__s32 xpos;
532	__s32 ypos;
533	__s32 xhot;
534	__s32 yhot;
535};
536
537/*************************************************************************/
538/**
539 * DRM_VMW_CLAIM_STREAM - Claim a single stream.
540 */
541
542/**
543 * struct drm_vmw_context_arg
544 *
545 * @stream_id: Device unique context ID.
546 *
547 * Output argument to the DRM_VMW_CREATE_CONTEXT Ioctl.
548 * Input argument to the DRM_VMW_UNREF_CONTEXT Ioctl.
549 */
550
551struct drm_vmw_stream_arg {
552	__u32 stream_id;
553	__u32 pad64;
554};
555
556/*************************************************************************/
557/**
558 * DRM_VMW_UNREF_STREAM - Unclaim a stream.
559 *
560 * Return a single stream that was claimed by this process. Also makes
561 * sure that the stream has been stopped.
562 */
563
564/*************************************************************************/
565/**
566 * DRM_VMW_GET_3D_CAP
567 *
568 * Read 3D capabilities from the FIFO
569 *
570 */
571
572/**
573 * struct drm_vmw_get_3d_cap_arg
574 *
575 * @buffer: Pointer to a buffer for capability data, cast to an __u64
576 * @size: Max size to copy
577 *
578 * Input argument to the DRM_VMW_GET_3D_CAP_IOCTL
579 * ioctls.
580 */
581
582struct drm_vmw_get_3d_cap_arg {
583	__u64 buffer;
584	__u32 max_size;
585	__u32 pad64;
586};
587
588/*************************************************************************/
589/**
590 * DRM_VMW_FENCE_WAIT
591 *
592 * Waits for a fence object to signal. The wait is interruptible, so that
593 * signals may be delivered during the interrupt. The wait may timeout,
594 * in which case the calls returns -EBUSY. If the wait is restarted,
595 * that is restarting without resetting @cookie_valid to zero,
596 * the timeout is computed from the first call.
597 *
598 * The flags argument to the DRM_VMW_FENCE_WAIT ioctl indicates what to wait
599 * on:
600 * DRM_VMW_FENCE_FLAG_EXEC: All commands ahead of the fence in the command
601 * stream
602 * have executed.
603 * DRM_VMW_FENCE_FLAG_QUERY: All query results resulting from query finish
604 * commands
605 * in the buffer given to the EXECBUF ioctl returning the fence object handle
606 * are available to user-space.
607 *
608 * DRM_VMW_WAIT_OPTION_UNREF: If this wait option is given, and the
609 * fenc wait ioctl returns 0, the fence object has been unreferenced after
610 * the wait.
611 */
612
613#define DRM_VMW_FENCE_FLAG_EXEC   (1 << 0)
614#define DRM_VMW_FENCE_FLAG_QUERY  (1 << 1)
615
616#define DRM_VMW_WAIT_OPTION_UNREF (1 << 0)
617
618/**
619 * struct drm_vmw_fence_wait_arg
620 *
621 * @handle: Fence object handle as returned by the DRM_VMW_EXECBUF ioctl.
622 * @cookie_valid: Must be reset to 0 on first call. Left alone on restart.
623 * @kernel_cookie: Set to 0 on first call. Left alone on restart.
624 * @timeout_us: Wait timeout in microseconds. 0 for indefinite timeout.
625 * @lazy: Set to 1 if timing is not critical. Allow more than a kernel tick
626 * before returning.
627 * @flags: Fence flags to wait on.
628 * @wait_options: Options that control the behaviour of the wait ioctl.
629 *
630 * Input argument to the DRM_VMW_FENCE_WAIT ioctl.
631 */
632
633struct drm_vmw_fence_wait_arg {
634	__u32 handle;
635	__s32  cookie_valid;
636	__u64 kernel_cookie;
637	__u64 timeout_us;
638	__s32 lazy;
639	__s32 flags;
640	__s32 wait_options;
641	__s32 pad64;
642};
643
644/*************************************************************************/
645/**
646 * DRM_VMW_FENCE_SIGNALED
647 *
648 * Checks if a fence object is signaled..
649 */
650
651/**
652 * struct drm_vmw_fence_signaled_arg
653 *
654 * @handle: Fence object handle as returned by the DRM_VMW_EXECBUF ioctl.
655 * @flags: Fence object flags input to DRM_VMW_FENCE_SIGNALED ioctl
656 * @signaled: Out: Flags signaled.
657 * @sequence: Out: Highest sequence passed so far. Can be used to signal the
658 * EXEC flag of user-space fence objects.
659 *
660 * Input/Output argument to the DRM_VMW_FENCE_SIGNALED and DRM_VMW_FENCE_UNREF
661 * ioctls.
662 */
663
664struct drm_vmw_fence_signaled_arg {
665	 __u32 handle;
666	 __u32 flags;
667	 __s32 signaled;
668	 __u32 passed_seqno;
669	 __u32 signaled_flags;
670	 __u32 pad64;
671};
672
673/*************************************************************************/
674/**
675 * DRM_VMW_FENCE_UNREF
676 *
677 * Unreferences a fence object, and causes it to be destroyed if there are no
678 * other references to it.
679 *
680 */
681
682/**
683 * struct drm_vmw_fence_arg
684 *
685 * @handle: Fence object handle as returned by the DRM_VMW_EXECBUF ioctl.
686 *
687 * Input/Output argument to the DRM_VMW_FENCE_UNREF ioctl..
688 */
689
690struct drm_vmw_fence_arg {
691	 __u32 handle;
692	 __u32 pad64;
693};
694
695
696/*************************************************************************/
697/**
698 * DRM_VMW_FENCE_EVENT
699 *
700 * Queues an event on a fence to be delivered on the drm character device
701 * when the fence has signaled the DRM_VMW_FENCE_FLAG_EXEC flag.
702 * Optionally the approximate time when the fence signaled is
703 * given by the event.
704 */
705
706/*
707 * The event type
708 */
709#define DRM_VMW_EVENT_FENCE_SIGNALED 0x80000000
710
711struct drm_vmw_event_fence {
712	struct drm_event base;
713	__u64 user_data;
714	__u32 tv_sec;
715	__u32 tv_usec;
716};
717
718/*
719 * Flags that may be given to the command.
720 */
721/* Request fence signaled time on the event. */
722#define DRM_VMW_FE_FLAG_REQ_TIME (1 << 0)
723
724/**
725 * struct drm_vmw_fence_event_arg
726 *
727 * @fence_rep: Pointer to fence_rep structure cast to __u64 or 0 if
728 * the fence is not supposed to be referenced by user-space.
729 * @user_info: Info to be delivered with the event.
730 * @handle: Attach the event to this fence only.
731 * @flags: A set of flags as defined above.
732 */
733struct drm_vmw_fence_event_arg {
734	__u64 fence_rep;
735	__u64 user_data;
736	__u32 handle;
737	__u32 flags;
738};
739
740
741/*************************************************************************/
742/**
743 * DRM_VMW_PRESENT
744 *
745 * Executes an SVGA present on a given fb for a given surface. The surface
746 * is placed on the framebuffer. Cliprects are given relative to the given
747 * point (the point disignated by dest_{x|y}).
748 *
749 */
750
751/**
752 * struct drm_vmw_present_arg
753 * @fb_id: framebuffer id to present / read back from.
754 * @sid: Surface id to present from.
755 * @dest_x: X placement coordinate for surface.
756 * @dest_y: Y placement coordinate for surface.
757 * @clips_ptr: Pointer to an array of clip rects cast to an __u64.
758 * @num_clips: Number of cliprects given relative to the framebuffer origin,
759 * in the same coordinate space as the frame buffer.
760 * @pad64: Unused 64-bit padding.
761 *
762 * Input argument to the DRM_VMW_PRESENT ioctl.
763 */
764
765struct drm_vmw_present_arg {
766	__u32 fb_id;
767	__u32 sid;
768	__s32 dest_x;
769	__s32 dest_y;
770	__u64 clips_ptr;
771	__u32 num_clips;
772	__u32 pad64;
773};
774
775
776/*************************************************************************/
777/**
778 * DRM_VMW_PRESENT_READBACK
779 *
780 * Executes an SVGA present readback from a given fb to the dma buffer
781 * currently bound as the fb. If there is no dma buffer bound to the fb,
782 * an error will be returned.
783 *
784 */
785
786/**
787 * struct drm_vmw_present_arg
788 * @fb_id: fb_id to present / read back from.
789 * @num_clips: Number of cliprects.
790 * @clips_ptr: Pointer to an array of clip rects cast to an __u64.
791 * @fence_rep: Pointer to a struct drm_vmw_fence_rep, cast to an __u64.
792 * If this member is NULL, then the ioctl should not return a fence.
793 */
794
795struct drm_vmw_present_readback_arg {
796	 __u32 fb_id;
797	 __u32 num_clips;
798	 __u64 clips_ptr;
799	 __u64 fence_rep;
800};
801
802/*************************************************************************/
803/**
804 * DRM_VMW_UPDATE_LAYOUT - Update layout
805 *
806 * Updates the preferred modes and connection status for connectors. The
807 * command consists of one drm_vmw_update_layout_arg pointing to an array
808 * of num_outputs drm_vmw_rect's.
809 */
810
811/**
812 * struct drm_vmw_update_layout_arg
813 *
814 * @num_outputs: number of active connectors
815 * @rects: pointer to array of drm_vmw_rect cast to an __u64
816 *
817 * Input argument to the DRM_VMW_UPDATE_LAYOUT Ioctl.
818 */
819struct drm_vmw_update_layout_arg {
820	__u32 num_outputs;
821	__u32 pad64;
822	__u64 rects;
823};
824
825
826/*************************************************************************/
827/**
828 * DRM_VMW_CREATE_SHADER - Create shader
829 *
830 * Creates a shader and optionally binds it to a dma buffer containing
831 * the shader byte-code.
832 */
833
834/**
835 * enum drm_vmw_shader_type - Shader types
836 */
837enum drm_vmw_shader_type {
838	drm_vmw_shader_type_vs = 0,
839	drm_vmw_shader_type_ps,
840};
841
842
843/**
844 * struct drm_vmw_shader_create_arg
845 *
846 * @shader_type: Shader type of the shader to create.
847 * @size: Size of the byte-code in bytes.
848 * where the shader byte-code starts
849 * @buffer_handle: Buffer handle identifying the buffer containing the
850 * shader byte-code
851 * @shader_handle: On successful completion contains a handle that
852 * can be used to subsequently identify the shader.
853 * @offset: Offset in bytes into the buffer given by @buffer_handle,
854 *
855 * Input / Output argument to the DRM_VMW_CREATE_SHADER Ioctl.
856 */
857struct drm_vmw_shader_create_arg {
858	enum drm_vmw_shader_type shader_type;
859	__u32 size;
860	__u32 buffer_handle;
861	__u32 shader_handle;
862	__u64 offset;
863};
864
865/*************************************************************************/
866/**
867 * DRM_VMW_UNREF_SHADER - Unreferences a shader
868 *
869 * Destroys a user-space reference to a shader, optionally destroying
870 * it.
871 */
872
873/**
874 * struct drm_vmw_shader_arg
875 *
876 * @handle: Handle identifying the shader to destroy.
877 *
878 * Input argument to the DRM_VMW_UNREF_SHADER ioctl.
879 */
880struct drm_vmw_shader_arg {
881	__u32 handle;
882	__u32 pad64;
883};
884
885/*************************************************************************/
886/**
887 * DRM_VMW_GB_SURFACE_CREATE - Create a host guest-backed surface.
888 *
889 * Allocates a surface handle and queues a create surface command
890 * for the host on the first use of the surface. The surface ID can
891 * be used as the surface ID in commands referencing the surface.
892 */
893
894/**
895 * enum drm_vmw_surface_flags
896 *
897 * @drm_vmw_surface_flag_shareable:     Whether the surface is shareable
898 * @drm_vmw_surface_flag_scanout:       Whether the surface is a scanout
899 *                                      surface.
900 * @drm_vmw_surface_flag_create_buffer: Create a backup buffer if none is
901 *                                      given.
902 * @drm_vmw_surface_flag_coherent:      Back surface with coherent memory.
903 */
904enum drm_vmw_surface_flags {
905	drm_vmw_surface_flag_shareable = (1 << 0),
906	drm_vmw_surface_flag_scanout = (1 << 1),
907	drm_vmw_surface_flag_create_buffer = (1 << 2),
908	drm_vmw_surface_flag_coherent = (1 << 3),
909};
910
911/**
912 * struct drm_vmw_gb_surface_create_req
913 *
914 * @svga3d_flags:     SVGA3d surface flags for the device.
915 * @format:           SVGA3d format.
916 * @mip_level:        Number of mip levels for all faces.
917 * @drm_surface_flags Flags as described above.
918 * @multisample_count Future use. Set to 0.
919 * @autogen_filter    Future use. Set to 0.
920 * @buffer_handle     Buffer handle of backup buffer. SVGA3D_INVALID_ID
921 *                    if none.
922 * @base_size         Size of the base mip level for all faces.
923 * @array_size        Must be zero for non-DX hardware, and if non-zero
924 *                    svga3d_flags must have proper bind flags setup.
925 *
926 * Input argument to the  DRM_VMW_GB_SURFACE_CREATE Ioctl.
927 * Part of output argument for the DRM_VMW_GB_SURFACE_REF Ioctl.
928 */
929struct drm_vmw_gb_surface_create_req {
930	__u32 svga3d_flags;
931	__u32 format;
932	__u32 mip_levels;
933	enum drm_vmw_surface_flags drm_surface_flags;
934	__u32 multisample_count;
935	__u32 autogen_filter;
936	__u32 buffer_handle;
937	__u32 array_size;
938	struct drm_vmw_size base_size;
939};
940
941/**
942 * struct drm_vmw_gb_surface_create_rep
943 *
944 * @handle:            Surface handle.
945 * @backup_size:       Size of backup buffers for this surface.
946 * @buffer_handle:     Handle of backup buffer. SVGA3D_INVALID_ID if none.
947 * @buffer_size:       Actual size of the buffer identified by
948 *                     @buffer_handle
949 * @buffer_map_handle: Offset into device address space for the buffer
950 *                     identified by @buffer_handle.
951 *
952 * Part of output argument for the DRM_VMW_GB_SURFACE_REF ioctl.
953 * Output argument for the DRM_VMW_GB_SURFACE_CREATE ioctl.
954 */
955struct drm_vmw_gb_surface_create_rep {
956	__u32 handle;
957	__u32 backup_size;
958	__u32 buffer_handle;
959	__u32 buffer_size;
960	__u64 buffer_map_handle;
961};
962
963/**
964 * union drm_vmw_gb_surface_create_arg
965 *
966 * @req: Input argument as described above.
967 * @rep: Output argument as described above.
968 *
969 * Argument to the DRM_VMW_GB_SURFACE_CREATE ioctl.
970 */
971union drm_vmw_gb_surface_create_arg {
972	struct drm_vmw_gb_surface_create_rep rep;
973	struct drm_vmw_gb_surface_create_req req;
974};
975
976/*************************************************************************/
977/**
978 * DRM_VMW_GB_SURFACE_REF - Reference a host surface.
979 *
980 * Puts a reference on a host surface with a given handle, as previously
981 * returned by the DRM_VMW_GB_SURFACE_CREATE ioctl.
982 * A reference will make sure the surface isn't destroyed while we hold
983 * it and will allow the calling client to use the surface handle in
984 * the command stream.
985 *
986 * On successful return, the Ioctl returns the surface information given
987 * to and returned from the DRM_VMW_GB_SURFACE_CREATE ioctl.
988 */
989
990/**
991 * struct drm_vmw_gb_surface_reference_arg
992 *
993 * @creq: The data used as input when the surface was created, as described
994 *        above at "struct drm_vmw_gb_surface_create_req"
995 * @crep: Additional data output when the surface was created, as described
996 *        above at "struct drm_vmw_gb_surface_create_rep"
997 *
998 * Output Argument to the DRM_VMW_GB_SURFACE_REF ioctl.
999 */
1000struct drm_vmw_gb_surface_ref_rep {
1001	struct drm_vmw_gb_surface_create_req creq;
1002	struct drm_vmw_gb_surface_create_rep crep;
1003};
1004
1005/**
1006 * union drm_vmw_gb_surface_reference_arg
1007 *
1008 * @req: Input data as described above at "struct drm_vmw_surface_arg"
1009 * @rep: Output data as described above at "struct drm_vmw_gb_surface_ref_rep"
1010 *
1011 * Argument to the DRM_VMW_GB_SURFACE_REF Ioctl.
1012 */
1013union drm_vmw_gb_surface_reference_arg {
1014	struct drm_vmw_gb_surface_ref_rep rep;
1015	struct drm_vmw_surface_arg req;
1016};
1017
1018
1019/*************************************************************************/
1020/**
1021 * DRM_VMW_SYNCCPU - Sync a DMA buffer / MOB for CPU access.
1022 *
1023 * Idles any previously submitted GPU operations on the buffer and
1024 * by default blocks command submissions that reference the buffer.
1025 * If the file descriptor used to grab a blocking CPU sync is closed, the
1026 * cpu sync is released.
1027 * The flags argument indicates how the grab / release operation should be
1028 * performed:
1029 */
1030
1031/**
1032 * enum drm_vmw_synccpu_flags - Synccpu flags:
1033 *
1034 * @drm_vmw_synccpu_read: Sync for read. If sync is done for read only, it's a
1035 * hint to the kernel to allow command submissions that references the buffer
1036 * for read-only.
1037 * @drm_vmw_synccpu_write: Sync for write. Block all command submissions
1038 * referencing this buffer.
1039 * @drm_vmw_synccpu_dontblock: Dont wait for GPU idle, but rather return
1040 * -EBUSY should the buffer be busy.
1041 * @drm_vmw_synccpu_allow_cs: Allow command submission that touches the buffer
1042 * while the buffer is synced for CPU. This is similar to the GEM bo idle
1043 * behavior.
1044 */
1045enum drm_vmw_synccpu_flags {
1046	drm_vmw_synccpu_read = (1 << 0),
1047	drm_vmw_synccpu_write = (1 << 1),
1048	drm_vmw_synccpu_dontblock = (1 << 2),
1049	drm_vmw_synccpu_allow_cs = (1 << 3)
1050};
1051
1052/**
1053 * enum drm_vmw_synccpu_op - Synccpu operations:
1054 *
1055 * @drm_vmw_synccpu_grab:    Grab the buffer for CPU operations
1056 * @drm_vmw_synccpu_release: Release a previous grab.
1057 */
1058enum drm_vmw_synccpu_op {
1059	drm_vmw_synccpu_grab,
1060	drm_vmw_synccpu_release
1061};
1062
1063/**
1064 * struct drm_vmw_synccpu_arg
1065 *
1066 * @op:			     The synccpu operation as described above.
1067 * @handle:		     Handle identifying the buffer object.
1068 * @flags:		     Flags as described above.
1069 */
1070struct drm_vmw_synccpu_arg {
1071	enum drm_vmw_synccpu_op op;
1072	enum drm_vmw_synccpu_flags flags;
1073	__u32 handle;
1074	__u32 pad64;
1075};
1076
1077/*************************************************************************/
1078/**
1079 * DRM_VMW_CREATE_EXTENDED_CONTEXT - Create a host context.
1080 *
1081 * Allocates a device unique context id, and queues a create context command
1082 * for the host. Does not wait for host completion.
1083 */
1084enum drm_vmw_extended_context {
1085	drm_vmw_context_legacy,
1086	drm_vmw_context_dx
1087};
1088
1089/**
1090 * union drm_vmw_extended_context_arg
1091 *
1092 * @req: Context type.
1093 * @rep: Context identifier.
1094 *
1095 * Argument to the DRM_VMW_CREATE_EXTENDED_CONTEXT Ioctl.
1096 */
1097union drm_vmw_extended_context_arg {
1098	enum drm_vmw_extended_context req;
1099	struct drm_vmw_context_arg rep;
1100};
1101
1102/*************************************************************************/
1103/*
1104 * DRM_VMW_HANDLE_CLOSE - Close a user-space handle and release its
1105 * underlying resource.
1106 *
1107 * Note that this ioctl is overlaid on the deprecated DRM_VMW_UNREF_DMABUF
1108 * Ioctl.
1109 */
1110
1111/**
1112 * struct drm_vmw_handle_close_arg
1113 *
1114 * @handle: Handle to close.
1115 *
1116 * Argument to the DRM_VMW_HANDLE_CLOSE Ioctl.
1117 */
1118struct drm_vmw_handle_close_arg {
1119	__u32 handle;
1120	__u32 pad64;
1121};
1122#define drm_vmw_unref_dmabuf_arg drm_vmw_handle_close_arg
1123
1124/*************************************************************************/
1125/**
1126 * DRM_VMW_GB_SURFACE_CREATE_EXT - Create a host guest-backed surface.
1127 *
1128 * Allocates a surface handle and queues a create surface command
1129 * for the host on the first use of the surface. The surface ID can
1130 * be used as the surface ID in commands referencing the surface.
1131 *
1132 * This new command extends DRM_VMW_GB_SURFACE_CREATE by adding version
1133 * parameter and 64 bit svga flag.
1134 */
1135
1136/**
1137 * enum drm_vmw_surface_version
1138 *
1139 * @drm_vmw_surface_gb_v1: Corresponds to current gb surface format with
1140 * svga3d surface flags split into 2, upper half and lower half.
1141 */
1142enum drm_vmw_surface_version {
1143	drm_vmw_gb_surface_v1,
1144};
1145
1146/**
1147 * struct drm_vmw_gb_surface_create_ext_req
1148 *
1149 * @base: Surface create parameters.
1150 * @version: Version of surface create ioctl.
1151 * @svga3d_flags_upper_32_bits: Upper 32 bits of svga3d flags.
1152 * @multisample_pattern: Multisampling pattern when msaa is supported.
1153 * @quality_level: Precision settings for each sample.
1154 * @buffer_byte_stride: Buffer byte stride.
1155 * @must_be_zero: Reserved for future usage.
1156 *
1157 * Input argument to the  DRM_VMW_GB_SURFACE_CREATE_EXT Ioctl.
1158 * Part of output argument for the DRM_VMW_GB_SURFACE_REF_EXT Ioctl.
1159 */
1160struct drm_vmw_gb_surface_create_ext_req {
1161	struct drm_vmw_gb_surface_create_req base;
1162	enum drm_vmw_surface_version version;
1163	__u32 svga3d_flags_upper_32_bits;
1164	__u32 multisample_pattern;
1165	__u32 quality_level;
1166	__u32 buffer_byte_stride;
1167	__u32 must_be_zero;
1168};
1169
1170/**
1171 * union drm_vmw_gb_surface_create_ext_arg
1172 *
1173 * @req: Input argument as described above.
1174 * @rep: Output argument as described above.
1175 *
1176 * Argument to the DRM_VMW_GB_SURFACE_CREATE_EXT ioctl.
1177 */
1178union drm_vmw_gb_surface_create_ext_arg {
1179	struct drm_vmw_gb_surface_create_rep rep;
1180	struct drm_vmw_gb_surface_create_ext_req req;
1181};
1182
1183/*************************************************************************/
1184/**
1185 * DRM_VMW_GB_SURFACE_REF_EXT - Reference a host surface.
1186 *
1187 * Puts a reference on a host surface with a given handle, as previously
1188 * returned by the DRM_VMW_GB_SURFACE_CREATE_EXT ioctl.
1189 * A reference will make sure the surface isn't destroyed while we hold
1190 * it and will allow the calling client to use the surface handle in
1191 * the command stream.
1192 *
1193 * On successful return, the Ioctl returns the surface information given
1194 * to and returned from the DRM_VMW_GB_SURFACE_CREATE_EXT ioctl.
1195 */
1196
1197/**
1198 * struct drm_vmw_gb_surface_ref_ext_rep
1199 *
1200 * @creq: The data used as input when the surface was created, as described
1201 *        above at "struct drm_vmw_gb_surface_create_ext_req"
1202 * @crep: Additional data output when the surface was created, as described
1203 *        above at "struct drm_vmw_gb_surface_create_rep"
1204 *
1205 * Output Argument to the DRM_VMW_GB_SURFACE_REF_EXT ioctl.
1206 */
1207struct drm_vmw_gb_surface_ref_ext_rep {
1208	struct drm_vmw_gb_surface_create_ext_req creq;
1209	struct drm_vmw_gb_surface_create_rep crep;
1210};
1211
1212/**
1213 * union drm_vmw_gb_surface_reference_ext_arg
1214 *
1215 * @req: Input data as described above at "struct drm_vmw_surface_arg"
1216 * @rep: Output data as described above at
1217 *       "struct drm_vmw_gb_surface_ref_ext_rep"
1218 *
1219 * Argument to the DRM_VMW_GB_SURFACE_REF Ioctl.
1220 */
1221union drm_vmw_gb_surface_reference_ext_arg {
1222	struct drm_vmw_gb_surface_ref_ext_rep rep;
1223	struct drm_vmw_surface_arg req;
1224};
1225
1226/**
1227 * struct drm_vmw_msg_arg
1228 *
1229 * @send: Pointer to user-space msg string (null terminated).
1230 * @receive: Pointer to user-space receive buffer.
1231 * @send_only: Boolean whether this is only sending or receiving too.
1232 *
1233 * Argument to the DRM_VMW_MSG ioctl.
1234 */
1235struct drm_vmw_msg_arg {
1236	__u64 send;
1237	__u64 receive;
1238	__s32 send_only;
1239	__u32 receive_len;
1240};
1241
1242/**
1243 * struct drm_vmw_mksstat_add_arg
1244 *
1245 * @stat: Pointer to user-space stat-counters array, page-aligned.
1246 * @info: Pointer to user-space counter-infos array, page-aligned.
1247 * @strs: Pointer to user-space stat strings, page-aligned.
1248 * @stat_len: Length in bytes of stat-counters array.
1249 * @info_len: Length in bytes of counter-infos array.
1250 * @strs_len: Length in bytes of the stat strings, terminators included.
1251 * @description: Pointer to instance descriptor string; will be truncated
1252 *               to MKS_GUEST_STAT_INSTANCE_DESC_LENGTH chars.
1253 * @id: Output identifier of the produced record; -1 if error.
1254 *
1255 * Argument to the DRM_VMW_MKSSTAT_ADD ioctl.
1256 */
1257struct drm_vmw_mksstat_add_arg {
1258	__u64 stat;
1259	__u64 info;
1260	__u64 strs;
1261	__u64 stat_len;
1262	__u64 info_len;
1263	__u64 strs_len;
1264	__u64 description;
1265	__u64 id;
1266};
1267
1268/**
1269 * struct drm_vmw_mksstat_remove_arg
1270 *
1271 * @id: Identifier of the record being disposed, originally obtained through
1272 *      DRM_VMW_MKSSTAT_ADD ioctl.
1273 *
1274 * Argument to the DRM_VMW_MKSSTAT_REMOVE ioctl.
1275 */
1276struct drm_vmw_mksstat_remove_arg {
1277	__u64 id;
1278};
1279
1280#if defined(__cplusplus)
1281}
1282#endif
1283
1284#endif
1285