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
75/*************************************************************************/
76/**
77 * DRM_VMW_GET_PARAM - get device information.
78 *
79 * DRM_VMW_PARAM_FIFO_OFFSET:
80 * Offset to use to map the first page of the FIFO read-only.
81 * The fifo is mapped using the mmap() system call on the drm device.
82 *
83 * DRM_VMW_PARAM_OVERLAY_IOCTL:
84 * Does the driver support the overlay ioctl.
85 *
86 * DRM_VMW_PARAM_SM4_1
87 * SM4_1 support is enabled.
88 */
89
90#define DRM_VMW_PARAM_NUM_STREAMS      0
91#define DRM_VMW_PARAM_NUM_FREE_STREAMS 1
92#define DRM_VMW_PARAM_3D               2
93#define DRM_VMW_PARAM_HW_CAPS          3
94#define DRM_VMW_PARAM_FIFO_CAPS        4
95#define DRM_VMW_PARAM_MAX_FB_SIZE      5
96#define DRM_VMW_PARAM_FIFO_HW_VERSION  6
97#define DRM_VMW_PARAM_MAX_SURF_MEMORY  7
98#define DRM_VMW_PARAM_3D_CAPS_SIZE     8
99#define DRM_VMW_PARAM_MAX_MOB_MEMORY   9
100#define DRM_VMW_PARAM_MAX_MOB_SIZE     10
101#define DRM_VMW_PARAM_SCREEN_TARGET    11
102#define DRM_VMW_PARAM_DX               12
103#define DRM_VMW_PARAM_HW_CAPS2         13
104#define DRM_VMW_PARAM_SM4_1            14
105
106/**
107 * enum drm_vmw_handle_type - handle type for ref ioctls
108 *
109 */
110enum drm_vmw_handle_type {
111	DRM_VMW_HANDLE_LEGACY = 0,
112	DRM_VMW_HANDLE_PRIME = 1
113};
114
115/**
116 * struct drm_vmw_getparam_arg
117 *
118 * @value: Returned value. //Out
119 * @param: Parameter to query. //In.
120 *
121 * Argument to the DRM_VMW_GET_PARAM Ioctl.
122 */
123
124struct drm_vmw_getparam_arg {
125	__u64 value;
126	__u32 param;
127	__u32 pad64;
128};
129
130/*************************************************************************/
131/**
132 * DRM_VMW_CREATE_CONTEXT - Create a host context.
133 *
134 * Allocates a device unique context id, and queues a create context command
135 * for the host. Does not wait for host completion.
136 */
137
138/**
139 * struct drm_vmw_context_arg
140 *
141 * @cid: Device unique context ID.
142 *
143 * Output argument to the DRM_VMW_CREATE_CONTEXT Ioctl.
144 * Input argument to the DRM_VMW_UNREF_CONTEXT Ioctl.
145 */
146
147struct drm_vmw_context_arg {
148	__s32 cid;
149	__u32 pad64;
150};
151
152/*************************************************************************/
153/**
154 * DRM_VMW_UNREF_CONTEXT - Create a host context.
155 *
156 * Frees a global context id, and queues a destroy host command for the host.
157 * Does not wait for host completion. The context ID can be used directly
158 * in the command stream and shows up as the same context ID on the host.
159 */
160
161/*************************************************************************/
162/**
163 * DRM_VMW_CREATE_SURFACE - Create a host suface.
164 *
165 * Allocates a device unique surface id, and queues a create surface command
166 * for the host. Does not wait for host completion. The surface ID can be
167 * used directly in the command stream and shows up as the same surface
168 * ID on the host.
169 */
170
171/**
172 * struct drm_wmv_surface_create_req
173 *
174 * @flags: Surface flags as understood by the host.
175 * @format: Surface format as understood by the host.
176 * @mip_levels: Number of mip levels for each face.
177 * An unused face should have 0 encoded.
178 * @size_addr: Address of a user-space array of sruct drm_vmw_size
179 * cast to an __u64 for 32-64 bit compatibility.
180 * The size of the array should equal the total number of mipmap levels.
181 * @shareable: Boolean whether other clients (as identified by file descriptors)
182 * may reference this surface.
183 * @scanout: Boolean whether the surface is intended to be used as a
184 * scanout.
185 *
186 * Input data to the DRM_VMW_CREATE_SURFACE Ioctl.
187 * Output data from the DRM_VMW_REF_SURFACE Ioctl.
188 */
189
190struct drm_vmw_surface_create_req {
191	__u32 flags;
192	__u32 format;
193	__u32 mip_levels[DRM_VMW_MAX_SURFACE_FACES];
194	__u64 size_addr;
195	__s32 shareable;
196	__s32 scanout;
197};
198
199/**
200 * struct drm_wmv_surface_arg
201 *
202 * @sid: Surface id of created surface or surface to destroy or reference.
203 * @handle_type: Handle type for DRM_VMW_REF_SURFACE Ioctl.
204 *
205 * Output data from the DRM_VMW_CREATE_SURFACE Ioctl.
206 * Input argument to the DRM_VMW_UNREF_SURFACE Ioctl.
207 * Input argument to the DRM_VMW_REF_SURFACE Ioctl.
208 */
209
210struct drm_vmw_surface_arg {
211	__s32 sid;
212	enum drm_vmw_handle_type handle_type;
213};
214
215/**
216 * struct drm_vmw_size ioctl.
217 *
218 * @width - mip level width
219 * @height - mip level height
220 * @depth - mip level depth
221 *
222 * Description of a mip level.
223 * Input data to the DRM_WMW_CREATE_SURFACE Ioctl.
224 */
225
226struct drm_vmw_size {
227	__u32 width;
228	__u32 height;
229	__u32 depth;
230	__u32 pad64;
231};
232
233/**
234 * union drm_vmw_surface_create_arg
235 *
236 * @rep: Output data as described above.
237 * @req: Input data as described above.
238 *
239 * Argument to the DRM_VMW_CREATE_SURFACE Ioctl.
240 */
241
242union drm_vmw_surface_create_arg {
243	struct drm_vmw_surface_arg rep;
244	struct drm_vmw_surface_create_req req;
245};
246
247/*************************************************************************/
248/**
249 * DRM_VMW_REF_SURFACE - Reference a host surface.
250 *
251 * Puts a reference on a host surface with a give sid, as previously
252 * returned by the DRM_VMW_CREATE_SURFACE ioctl.
253 * A reference will make sure the surface isn't destroyed while we hold
254 * it and will allow the calling client to use the surface ID in the command
255 * stream.
256 *
257 * On successful return, the Ioctl returns the surface information given
258 * in the DRM_VMW_CREATE_SURFACE ioctl.
259 */
260
261/**
262 * union drm_vmw_surface_reference_arg
263 *
264 * @rep: Output data as described above.
265 * @req: Input data as described above.
266 *
267 * Argument to the DRM_VMW_REF_SURFACE Ioctl.
268 */
269
270union drm_vmw_surface_reference_arg {
271	struct drm_vmw_surface_create_req rep;
272	struct drm_vmw_surface_arg req;
273};
274
275/*************************************************************************/
276/**
277 * DRM_VMW_UNREF_SURFACE - Unreference a host surface.
278 *
279 * Clear a reference previously put on a host surface.
280 * When all references are gone, including the one implicitly placed
281 * on creation,
282 * a destroy surface command will be queued for the host.
283 * Does not wait for completion.
284 */
285
286/*************************************************************************/
287/**
288 * DRM_VMW_EXECBUF
289 *
290 * Submit a command buffer for execution on the host, and return a
291 * fence seqno that when signaled, indicates that the command buffer has
292 * executed.
293 */
294
295/**
296 * struct drm_vmw_execbuf_arg
297 *
298 * @commands: User-space address of a command buffer cast to an __u64.
299 * @command-size: Size in bytes of the command buffer.
300 * @throttle-us: Sleep until software is less than @throttle_us
301 * microseconds ahead of hardware. The driver may round this value
302 * to the nearest kernel tick.
303 * @fence_rep: User-space address of a struct drm_vmw_fence_rep cast to an
304 * __u64.
305 * @version: Allows expanding the execbuf ioctl parameters without breaking
306 * backwards compatibility, since user-space will always tell the kernel
307 * which version it uses.
308 * @flags: Execbuf flags.
309 * @imported_fence_fd:  FD for a fence imported from another device
310 *
311 * Argument to the DRM_VMW_EXECBUF Ioctl.
312 */
313
314#define DRM_VMW_EXECBUF_VERSION 2
315
316#define DRM_VMW_EXECBUF_FLAG_IMPORT_FENCE_FD (1 << 0)
317#define DRM_VMW_EXECBUF_FLAG_EXPORT_FENCE_FD (1 << 1)
318
319struct drm_vmw_execbuf_arg {
320	__u64 commands;
321	__u32 command_size;
322	__u32 throttle_us;
323	__u64 fence_rep;
324	__u32 version;
325	__u32 flags;
326	__u32 context_handle;
327	__s32 imported_fence_fd;
328};
329
330/**
331 * struct drm_vmw_fence_rep
332 *
333 * @handle: Fence object handle for fence associated with a command submission.
334 * @mask: Fence flags relevant for this fence object.
335 * @seqno: Fence sequence number in fifo. A fence object with a lower
336 * seqno will signal the EXEC flag before a fence object with a higher
337 * seqno. This can be used by user-space to avoid kernel calls to determine
338 * whether a fence has signaled the EXEC flag. Note that @seqno will
339 * wrap at 32-bit.
340 * @passed_seqno: The highest seqno number processed by the hardware
341 * so far. This can be used to mark user-space fence objects as signaled, and
342 * to determine whether a fence seqno might be stale.
343 * @fd: FD associated with the fence, -1 if not exported
344 * @error: This member should've been set to -EFAULT on submission.
345 * The following actions should be take on completion:
346 * error == -EFAULT: Fence communication failed. The host is synchronized.
347 * Use the last fence id read from the FIFO fence register.
348 * error != 0 && error != -EFAULT:
349 * Fence submission failed. The host is synchronized. Use the fence_seq member.
350 * error == 0: All is OK, The host may not be synchronized.
351 * Use the fence_seq member.
352 *
353 * Input / Output data to the DRM_VMW_EXECBUF Ioctl.
354 */
355
356struct drm_vmw_fence_rep {
357	__u32 handle;
358	__u32 mask;
359	__u32 seqno;
360	__u32 passed_seqno;
361	__s32 fd;
362	__s32 error;
363};
364
365/*************************************************************************/
366/**
367 * DRM_VMW_ALLOC_BO
368 *
369 * Allocate a buffer object that is visible also to the host.
370 * NOTE: The buffer is
371 * identified by a handle and an offset, which are private to the guest, but
372 * useable in the command stream. The guest kernel may translate these
373 * and patch up the command stream accordingly. In the future, the offset may
374 * be zero at all times, or it may disappear from the interface before it is
375 * fixed.
376 *
377 * The buffer object may stay user-space mapped in the guest at all times,
378 * and is thus suitable for sub-allocation.
379 *
380 * Buffer objects are mapped using the mmap() syscall on the drm device.
381 */
382
383/**
384 * struct drm_vmw_alloc_bo_req
385 *
386 * @size: Required minimum size of the buffer.
387 *
388 * Input data to the DRM_VMW_ALLOC_BO Ioctl.
389 */
390
391struct drm_vmw_alloc_bo_req {
392	__u32 size;
393	__u32 pad64;
394};
395#define drm_vmw_alloc_dmabuf_req drm_vmw_alloc_bo_req
396
397/**
398 * struct drm_vmw_bo_rep
399 *
400 * @map_handle: Offset to use in the mmap() call used to map the buffer.
401 * @handle: Handle unique to this buffer. Used for unreferencing.
402 * @cur_gmr_id: GMR id to use in the command stream when this buffer is
403 * referenced. See not above.
404 * @cur_gmr_offset: Offset to use in the command stream when this buffer is
405 * referenced. See note above.
406 *
407 * Output data from the DRM_VMW_ALLOC_BO Ioctl.
408 */
409
410struct drm_vmw_bo_rep {
411	__u64 map_handle;
412	__u32 handle;
413	__u32 cur_gmr_id;
414	__u32 cur_gmr_offset;
415	__u32 pad64;
416};
417#define drm_vmw_dmabuf_rep drm_vmw_bo_rep
418
419/**
420 * union drm_vmw_alloc_bo_arg
421 *
422 * @req: Input data as described above.
423 * @rep: Output data as described above.
424 *
425 * Argument to the DRM_VMW_ALLOC_BO Ioctl.
426 */
427
428union drm_vmw_alloc_bo_arg {
429	struct drm_vmw_alloc_bo_req req;
430	struct drm_vmw_bo_rep rep;
431};
432#define drm_vmw_alloc_dmabuf_arg drm_vmw_alloc_bo_arg
433
434/*************************************************************************/
435/**
436 * DRM_VMW_CONTROL_STREAM - Control overlays, aka streams.
437 *
438 * This IOCTL controls the overlay units of the svga device.
439 * The SVGA overlay units does not work like regular hardware units in
440 * that they do not automaticaly read back the contents of the given dma
441 * buffer. But instead only read back for each call to this ioctl, and
442 * at any point between this call being made and a following call that
443 * either changes the buffer or disables the stream.
444 */
445
446/**
447 * struct drm_vmw_rect
448 *
449 * Defines a rectangle. Used in the overlay ioctl to define
450 * source and destination rectangle.
451 */
452
453struct drm_vmw_rect {
454	__s32 x;
455	__s32 y;
456	__u32 w;
457	__u32 h;
458};
459
460/**
461 * struct drm_vmw_control_stream_arg
462 *
463 * @stream_id: Stearm to control
464 * @enabled: If false all following arguments are ignored.
465 * @handle: Handle to buffer for getting data from.
466 * @format: Format of the overlay as understood by the host.
467 * @width: Width of the overlay.
468 * @height: Height of the overlay.
469 * @size: Size of the overlay in bytes.
470 * @pitch: Array of pitches, the two last are only used for YUV12 formats.
471 * @offset: Offset from start of dma buffer to overlay.
472 * @src: Source rect, must be within the defined area above.
473 * @dst: Destination rect, x and y may be negative.
474 *
475 * Argument to the DRM_VMW_CONTROL_STREAM Ioctl.
476 */
477
478struct drm_vmw_control_stream_arg {
479	__u32 stream_id;
480	__u32 enabled;
481
482	__u32 flags;
483	__u32 color_key;
484
485	__u32 handle;
486	__u32 offset;
487	__s32 format;
488	__u32 size;
489	__u32 width;
490	__u32 height;
491	__u32 pitch[3];
492
493	__u32 pad64;
494	struct drm_vmw_rect src;
495	struct drm_vmw_rect dst;
496};
497
498/*************************************************************************/
499/**
500 * DRM_VMW_CURSOR_BYPASS - Give extra information about cursor bypass.
501 *
502 */
503
504#define DRM_VMW_CURSOR_BYPASS_ALL    (1 << 0)
505#define DRM_VMW_CURSOR_BYPASS_FLAGS       (1)
506
507/**
508 * struct drm_vmw_cursor_bypass_arg
509 *
510 * @flags: Flags.
511 * @crtc_id: Crtc id, only used if DMR_CURSOR_BYPASS_ALL isn't passed.
512 * @xpos: X position of cursor.
513 * @ypos: Y position of cursor.
514 * @xhot: X hotspot.
515 * @yhot: Y hotspot.
516 *
517 * Argument to the DRM_VMW_CURSOR_BYPASS Ioctl.
518 */
519
520struct drm_vmw_cursor_bypass_arg {
521	__u32 flags;
522	__u32 crtc_id;
523	__s32 xpos;
524	__s32 ypos;
525	__s32 xhot;
526	__s32 yhot;
527};
528
529/*************************************************************************/
530/**
531 * DRM_VMW_CLAIM_STREAM - Claim a single stream.
532 */
533
534/**
535 * struct drm_vmw_context_arg
536 *
537 * @stream_id: Device unique context ID.
538 *
539 * Output argument to the DRM_VMW_CREATE_CONTEXT Ioctl.
540 * Input argument to the DRM_VMW_UNREF_CONTEXT Ioctl.
541 */
542
543struct drm_vmw_stream_arg {
544	__u32 stream_id;
545	__u32 pad64;
546};
547
548/*************************************************************************/
549/**
550 * DRM_VMW_UNREF_STREAM - Unclaim a stream.
551 *
552 * Return a single stream that was claimed by this process. Also makes
553 * sure that the stream has been stopped.
554 */
555
556/*************************************************************************/
557/**
558 * DRM_VMW_GET_3D_CAP
559 *
560 * Read 3D capabilities from the FIFO
561 *
562 */
563
564/**
565 * struct drm_vmw_get_3d_cap_arg
566 *
567 * @buffer: Pointer to a buffer for capability data, cast to an __u64
568 * @size: Max size to copy
569 *
570 * Input argument to the DRM_VMW_GET_3D_CAP_IOCTL
571 * ioctls.
572 */
573
574struct drm_vmw_get_3d_cap_arg {
575	__u64 buffer;
576	__u32 max_size;
577	__u32 pad64;
578};
579
580/*************************************************************************/
581/**
582 * DRM_VMW_FENCE_WAIT
583 *
584 * Waits for a fence object to signal. The wait is interruptible, so that
585 * signals may be delivered during the interrupt. The wait may timeout,
586 * in which case the calls returns -EBUSY. If the wait is restarted,
587 * that is restarting without resetting @cookie_valid to zero,
588 * the timeout is computed from the first call.
589 *
590 * The flags argument to the DRM_VMW_FENCE_WAIT ioctl indicates what to wait
591 * on:
592 * DRM_VMW_FENCE_FLAG_EXEC: All commands ahead of the fence in the command
593 * stream
594 * have executed.
595 * DRM_VMW_FENCE_FLAG_QUERY: All query results resulting from query finish
596 * commands
597 * in the buffer given to the EXECBUF ioctl returning the fence object handle
598 * are available to user-space.
599 *
600 * DRM_VMW_WAIT_OPTION_UNREF: If this wait option is given, and the
601 * fenc wait ioctl returns 0, the fence object has been unreferenced after
602 * the wait.
603 */
604
605#define DRM_VMW_FENCE_FLAG_EXEC   (1 << 0)
606#define DRM_VMW_FENCE_FLAG_QUERY  (1 << 1)
607
608#define DRM_VMW_WAIT_OPTION_UNREF (1 << 0)
609
610/**
611 * struct drm_vmw_fence_wait_arg
612 *
613 * @handle: Fence object handle as returned by the DRM_VMW_EXECBUF ioctl.
614 * @cookie_valid: Must be reset to 0 on first call. Left alone on restart.
615 * @kernel_cookie: Set to 0 on first call. Left alone on restart.
616 * @timeout_us: Wait timeout in microseconds. 0 for indefinite timeout.
617 * @lazy: Set to 1 if timing is not critical. Allow more than a kernel tick
618 * before returning.
619 * @flags: Fence flags to wait on.
620 * @wait_options: Options that control the behaviour of the wait ioctl.
621 *
622 * Input argument to the DRM_VMW_FENCE_WAIT ioctl.
623 */
624
625struct drm_vmw_fence_wait_arg {
626	__u32 handle;
627	__s32  cookie_valid;
628	__u64 kernel_cookie;
629	__u64 timeout_us;
630	__s32 lazy;
631	__s32 flags;
632	__s32 wait_options;
633	__s32 pad64;
634};
635
636/*************************************************************************/
637/**
638 * DRM_VMW_FENCE_SIGNALED
639 *
640 * Checks if a fence object is signaled..
641 */
642
643/**
644 * struct drm_vmw_fence_signaled_arg
645 *
646 * @handle: Fence object handle as returned by the DRM_VMW_EXECBUF ioctl.
647 * @flags: Fence object flags input to DRM_VMW_FENCE_SIGNALED ioctl
648 * @signaled: Out: Flags signaled.
649 * @sequence: Out: Highest sequence passed so far. Can be used to signal the
650 * EXEC flag of user-space fence objects.
651 *
652 * Input/Output argument to the DRM_VMW_FENCE_SIGNALED and DRM_VMW_FENCE_UNREF
653 * ioctls.
654 */
655
656struct drm_vmw_fence_signaled_arg {
657	 __u32 handle;
658	 __u32 flags;
659	 __s32 signaled;
660	 __u32 passed_seqno;
661	 __u32 signaled_flags;
662	 __u32 pad64;
663};
664
665/*************************************************************************/
666/**
667 * DRM_VMW_FENCE_UNREF
668 *
669 * Unreferences a fence object, and causes it to be destroyed if there are no
670 * other references to it.
671 *
672 */
673
674/**
675 * struct drm_vmw_fence_arg
676 *
677 * @handle: Fence object handle as returned by the DRM_VMW_EXECBUF ioctl.
678 *
679 * Input/Output argument to the DRM_VMW_FENCE_UNREF ioctl..
680 */
681
682struct drm_vmw_fence_arg {
683	 __u32 handle;
684	 __u32 pad64;
685};
686
687
688/*************************************************************************/
689/**
690 * DRM_VMW_FENCE_EVENT
691 *
692 * Queues an event on a fence to be delivered on the drm character device
693 * when the fence has signaled the DRM_VMW_FENCE_FLAG_EXEC flag.
694 * Optionally the approximate time when the fence signaled is
695 * given by the event.
696 */
697
698/*
699 * The event type
700 */
701#define DRM_VMW_EVENT_FENCE_SIGNALED 0x80000000
702
703struct drm_vmw_event_fence {
704	struct drm_event base;
705	__u64 user_data;
706	__u32 tv_sec;
707	__u32 tv_usec;
708};
709
710/*
711 * Flags that may be given to the command.
712 */
713/* Request fence signaled time on the event. */
714#define DRM_VMW_FE_FLAG_REQ_TIME (1 << 0)
715
716/**
717 * struct drm_vmw_fence_event_arg
718 *
719 * @fence_rep: Pointer to fence_rep structure cast to __u64 or 0 if
720 * the fence is not supposed to be referenced by user-space.
721 * @user_info: Info to be delivered with the event.
722 * @handle: Attach the event to this fence only.
723 * @flags: A set of flags as defined above.
724 */
725struct drm_vmw_fence_event_arg {
726	__u64 fence_rep;
727	__u64 user_data;
728	__u32 handle;
729	__u32 flags;
730};
731
732
733/*************************************************************************/
734/**
735 * DRM_VMW_PRESENT
736 *
737 * Executes an SVGA present on a given fb for a given surface. The surface
738 * is placed on the framebuffer. Cliprects are given relative to the given
739 * point (the point disignated by dest_{x|y}).
740 *
741 */
742
743/**
744 * struct drm_vmw_present_arg
745 * @fb_id: framebuffer id to present / read back from.
746 * @sid: Surface id to present from.
747 * @dest_x: X placement coordinate for surface.
748 * @dest_y: Y placement coordinate for surface.
749 * @clips_ptr: Pointer to an array of clip rects cast to an __u64.
750 * @num_clips: Number of cliprects given relative to the framebuffer origin,
751 * in the same coordinate space as the frame buffer.
752 * @pad64: Unused 64-bit padding.
753 *
754 * Input argument to the DRM_VMW_PRESENT ioctl.
755 */
756
757struct drm_vmw_present_arg {
758	__u32 fb_id;
759	__u32 sid;
760	__s32 dest_x;
761	__s32 dest_y;
762	__u64 clips_ptr;
763	__u32 num_clips;
764	__u32 pad64;
765};
766
767
768/*************************************************************************/
769/**
770 * DRM_VMW_PRESENT_READBACK
771 *
772 * Executes an SVGA present readback from a given fb to the dma buffer
773 * currently bound as the fb. If there is no dma buffer bound to the fb,
774 * an error will be returned.
775 *
776 */
777
778/**
779 * struct drm_vmw_present_arg
780 * @fb_id: fb_id to present / read back from.
781 * @num_clips: Number of cliprects.
782 * @clips_ptr: Pointer to an array of clip rects cast to an __u64.
783 * @fence_rep: Pointer to a struct drm_vmw_fence_rep, cast to an __u64.
784 * If this member is NULL, then the ioctl should not return a fence.
785 */
786
787struct drm_vmw_present_readback_arg {
788	 __u32 fb_id;
789	 __u32 num_clips;
790	 __u64 clips_ptr;
791	 __u64 fence_rep;
792};
793
794/*************************************************************************/
795/**
796 * DRM_VMW_UPDATE_LAYOUT - Update layout
797 *
798 * Updates the preferred modes and connection status for connectors. The
799 * command consists of one drm_vmw_update_layout_arg pointing to an array
800 * of num_outputs drm_vmw_rect's.
801 */
802
803/**
804 * struct drm_vmw_update_layout_arg
805 *
806 * @num_outputs: number of active connectors
807 * @rects: pointer to array of drm_vmw_rect cast to an __u64
808 *
809 * Input argument to the DRM_VMW_UPDATE_LAYOUT Ioctl.
810 */
811struct drm_vmw_update_layout_arg {
812	__u32 num_outputs;
813	__u32 pad64;
814	__u64 rects;
815};
816
817
818/*************************************************************************/
819/**
820 * DRM_VMW_CREATE_SHADER - Create shader
821 *
822 * Creates a shader and optionally binds it to a dma buffer containing
823 * the shader byte-code.
824 */
825
826/**
827 * enum drm_vmw_shader_type - Shader types
828 */
829enum drm_vmw_shader_type {
830	drm_vmw_shader_type_vs = 0,
831	drm_vmw_shader_type_ps,
832};
833
834
835/**
836 * struct drm_vmw_shader_create_arg
837 *
838 * @shader_type: Shader type of the shader to create.
839 * @size: Size of the byte-code in bytes.
840 * where the shader byte-code starts
841 * @buffer_handle: Buffer handle identifying the buffer containing the
842 * shader byte-code
843 * @shader_handle: On successful completion contains a handle that
844 * can be used to subsequently identify the shader.
845 * @offset: Offset in bytes into the buffer given by @buffer_handle,
846 *
847 * Input / Output argument to the DRM_VMW_CREATE_SHADER Ioctl.
848 */
849struct drm_vmw_shader_create_arg {
850	enum drm_vmw_shader_type shader_type;
851	__u32 size;
852	__u32 buffer_handle;
853	__u32 shader_handle;
854	__u64 offset;
855};
856
857/*************************************************************************/
858/**
859 * DRM_VMW_UNREF_SHADER - Unreferences a shader
860 *
861 * Destroys a user-space reference to a shader, optionally destroying
862 * it.
863 */
864
865/**
866 * struct drm_vmw_shader_arg
867 *
868 * @handle: Handle identifying the shader to destroy.
869 *
870 * Input argument to the DRM_VMW_UNREF_SHADER ioctl.
871 */
872struct drm_vmw_shader_arg {
873	__u32 handle;
874	__u32 pad64;
875};
876
877/*************************************************************************/
878/**
879 * DRM_VMW_GB_SURFACE_CREATE - Create a host guest-backed surface.
880 *
881 * Allocates a surface handle and queues a create surface command
882 * for the host on the first use of the surface. The surface ID can
883 * be used as the surface ID in commands referencing the surface.
884 */
885
886/**
887 * enum drm_vmw_surface_flags
888 *
889 * @drm_vmw_surface_flag_shareable:     Whether the surface is shareable
890 * @drm_vmw_surface_flag_scanout:       Whether the surface is a scanout
891 *                                      surface.
892 * @drm_vmw_surface_flag_create_buffer: Create a backup buffer if none is
893 *                                      given.
894 * @drm_vmw_surface_flag_coherent:      Back surface with coherent memory.
895 */
896enum drm_vmw_surface_flags {
897	drm_vmw_surface_flag_shareable = (1 << 0),
898	drm_vmw_surface_flag_scanout = (1 << 1),
899	drm_vmw_surface_flag_create_buffer = (1 << 2),
900	drm_vmw_surface_flag_coherent = (1 << 3),
901};
902
903/**
904 * struct drm_vmw_gb_surface_create_req
905 *
906 * @svga3d_flags:     SVGA3d surface flags for the device.
907 * @format:           SVGA3d format.
908 * @mip_level:        Number of mip levels for all faces.
909 * @drm_surface_flags Flags as described above.
910 * @multisample_count Future use. Set to 0.
911 * @autogen_filter    Future use. Set to 0.
912 * @buffer_handle     Buffer handle of backup buffer. SVGA3D_INVALID_ID
913 *                    if none.
914 * @base_size         Size of the base mip level for all faces.
915 * @array_size        Must be zero for non-DX hardware, and if non-zero
916 *                    svga3d_flags must have proper bind flags setup.
917 *
918 * Input argument to the  DRM_VMW_GB_SURFACE_CREATE Ioctl.
919 * Part of output argument for the DRM_VMW_GB_SURFACE_REF Ioctl.
920 */
921struct drm_vmw_gb_surface_create_req {
922	__u32 svga3d_flags;
923	__u32 format;
924	__u32 mip_levels;
925	enum drm_vmw_surface_flags drm_surface_flags;
926	__u32 multisample_count;
927	__u32 autogen_filter;
928	__u32 buffer_handle;
929	__u32 array_size;
930	struct drm_vmw_size base_size;
931};
932
933/**
934 * struct drm_vmw_gb_surface_create_rep
935 *
936 * @handle:            Surface handle.
937 * @backup_size:       Size of backup buffers for this surface.
938 * @buffer_handle:     Handle of backup buffer. SVGA3D_INVALID_ID if none.
939 * @buffer_size:       Actual size of the buffer identified by
940 *                     @buffer_handle
941 * @buffer_map_handle: Offset into device address space for the buffer
942 *                     identified by @buffer_handle.
943 *
944 * Part of output argument for the DRM_VMW_GB_SURFACE_REF ioctl.
945 * Output argument for the DRM_VMW_GB_SURFACE_CREATE ioctl.
946 */
947struct drm_vmw_gb_surface_create_rep {
948	__u32 handle;
949	__u32 backup_size;
950	__u32 buffer_handle;
951	__u32 buffer_size;
952	__u64 buffer_map_handle;
953};
954
955/**
956 * union drm_vmw_gb_surface_create_arg
957 *
958 * @req: Input argument as described above.
959 * @rep: Output argument as described above.
960 *
961 * Argument to the DRM_VMW_GB_SURFACE_CREATE ioctl.
962 */
963union drm_vmw_gb_surface_create_arg {
964	struct drm_vmw_gb_surface_create_rep rep;
965	struct drm_vmw_gb_surface_create_req req;
966};
967
968/*************************************************************************/
969/**
970 * DRM_VMW_GB_SURFACE_REF - Reference a host surface.
971 *
972 * Puts a reference on a host surface with a given handle, as previously
973 * returned by the DRM_VMW_GB_SURFACE_CREATE ioctl.
974 * A reference will make sure the surface isn't destroyed while we hold
975 * it and will allow the calling client to use the surface handle in
976 * the command stream.
977 *
978 * On successful return, the Ioctl returns the surface information given
979 * to and returned from the DRM_VMW_GB_SURFACE_CREATE ioctl.
980 */
981
982/**
983 * struct drm_vmw_gb_surface_reference_arg
984 *
985 * @creq: The data used as input when the surface was created, as described
986 *        above at "struct drm_vmw_gb_surface_create_req"
987 * @crep: Additional data output when the surface was created, as described
988 *        above at "struct drm_vmw_gb_surface_create_rep"
989 *
990 * Output Argument to the DRM_VMW_GB_SURFACE_REF ioctl.
991 */
992struct drm_vmw_gb_surface_ref_rep {
993	struct drm_vmw_gb_surface_create_req creq;
994	struct drm_vmw_gb_surface_create_rep crep;
995};
996
997/**
998 * union drm_vmw_gb_surface_reference_arg
999 *
1000 * @req: Input data as described above at "struct drm_vmw_surface_arg"
1001 * @rep: Output data as described above at "struct drm_vmw_gb_surface_ref_rep"
1002 *
1003 * Argument to the DRM_VMW_GB_SURFACE_REF Ioctl.
1004 */
1005union drm_vmw_gb_surface_reference_arg {
1006	struct drm_vmw_gb_surface_ref_rep rep;
1007	struct drm_vmw_surface_arg req;
1008};
1009
1010
1011/*************************************************************************/
1012/**
1013 * DRM_VMW_SYNCCPU - Sync a DMA buffer / MOB for CPU access.
1014 *
1015 * Idles any previously submitted GPU operations on the buffer and
1016 * by default blocks command submissions that reference the buffer.
1017 * If the file descriptor used to grab a blocking CPU sync is closed, the
1018 * cpu sync is released.
1019 * The flags argument indicates how the grab / release operation should be
1020 * performed:
1021 */
1022
1023/**
1024 * enum drm_vmw_synccpu_flags - Synccpu flags:
1025 *
1026 * @drm_vmw_synccpu_read: Sync for read. If sync is done for read only, it's a
1027 * hint to the kernel to allow command submissions that references the buffer
1028 * for read-only.
1029 * @drm_vmw_synccpu_write: Sync for write. Block all command submissions
1030 * referencing this buffer.
1031 * @drm_vmw_synccpu_dontblock: Dont wait for GPU idle, but rather return
1032 * -EBUSY should the buffer be busy.
1033 * @drm_vmw_synccpu_allow_cs: Allow command submission that touches the buffer
1034 * while the buffer is synced for CPU. This is similar to the GEM bo idle
1035 * behavior.
1036 */
1037enum drm_vmw_synccpu_flags {
1038	drm_vmw_synccpu_read = (1 << 0),
1039	drm_vmw_synccpu_write = (1 << 1),
1040	drm_vmw_synccpu_dontblock = (1 << 2),
1041	drm_vmw_synccpu_allow_cs = (1 << 3)
1042};
1043
1044/**
1045 * enum drm_vmw_synccpu_op - Synccpu operations:
1046 *
1047 * @drm_vmw_synccpu_grab:    Grab the buffer for CPU operations
1048 * @drm_vmw_synccpu_release: Release a previous grab.
1049 */
1050enum drm_vmw_synccpu_op {
1051	drm_vmw_synccpu_grab,
1052	drm_vmw_synccpu_release
1053};
1054
1055/**
1056 * struct drm_vmw_synccpu_arg
1057 *
1058 * @op:			     The synccpu operation as described above.
1059 * @handle:		     Handle identifying the buffer object.
1060 * @flags:		     Flags as described above.
1061 */
1062struct drm_vmw_synccpu_arg {
1063	enum drm_vmw_synccpu_op op;
1064	enum drm_vmw_synccpu_flags flags;
1065	__u32 handle;
1066	__u32 pad64;
1067};
1068
1069/*************************************************************************/
1070/**
1071 * DRM_VMW_CREATE_EXTENDED_CONTEXT - Create a host context.
1072 *
1073 * Allocates a device unique context id, and queues a create context command
1074 * for the host. Does not wait for host completion.
1075 */
1076enum drm_vmw_extended_context {
1077	drm_vmw_context_legacy,
1078	drm_vmw_context_dx
1079};
1080
1081/**
1082 * union drm_vmw_extended_context_arg
1083 *
1084 * @req: Context type.
1085 * @rep: Context identifier.
1086 *
1087 * Argument to the DRM_VMW_CREATE_EXTENDED_CONTEXT Ioctl.
1088 */
1089union drm_vmw_extended_context_arg {
1090	enum drm_vmw_extended_context req;
1091	struct drm_vmw_context_arg rep;
1092};
1093
1094/*************************************************************************/
1095/*
1096 * DRM_VMW_HANDLE_CLOSE - Close a user-space handle and release its
1097 * underlying resource.
1098 *
1099 * Note that this ioctl is overlaid on the deprecated DRM_VMW_UNREF_DMABUF
1100 * Ioctl.
1101 */
1102
1103/**
1104 * struct drm_vmw_handle_close_arg
1105 *
1106 * @handle: Handle to close.
1107 *
1108 * Argument to the DRM_VMW_HANDLE_CLOSE Ioctl.
1109 */
1110struct drm_vmw_handle_close_arg {
1111	__u32 handle;
1112	__u32 pad64;
1113};
1114#define drm_vmw_unref_dmabuf_arg drm_vmw_handle_close_arg
1115
1116/*************************************************************************/
1117/**
1118 * DRM_VMW_GB_SURFACE_CREATE_EXT - Create a host guest-backed surface.
1119 *
1120 * Allocates a surface handle and queues a create surface command
1121 * for the host on the first use of the surface. The surface ID can
1122 * be used as the surface ID in commands referencing the surface.
1123 *
1124 * This new command extends DRM_VMW_GB_SURFACE_CREATE by adding version
1125 * parameter and 64 bit svga flag.
1126 */
1127
1128/**
1129 * enum drm_vmw_surface_version
1130 *
1131 * @drm_vmw_surface_gb_v1: Corresponds to current gb surface format with
1132 * svga3d surface flags split into 2, upper half and lower half.
1133 */
1134enum drm_vmw_surface_version {
1135	drm_vmw_gb_surface_v1
1136};
1137
1138/**
1139 * struct drm_vmw_gb_surface_create_ext_req
1140 *
1141 * @base: Surface create parameters.
1142 * @version: Version of surface create ioctl.
1143 * @svga3d_flags_upper_32_bits: Upper 32 bits of svga3d flags.
1144 * @multisample_pattern: Multisampling pattern when msaa is supported.
1145 * @quality_level: Precision settings for each sample.
1146 * @must_be_zero: Reserved for future usage.
1147 *
1148 * Input argument to the  DRM_VMW_GB_SURFACE_CREATE_EXT Ioctl.
1149 * Part of output argument for the DRM_VMW_GB_SURFACE_REF_EXT Ioctl.
1150 */
1151struct drm_vmw_gb_surface_create_ext_req {
1152	struct drm_vmw_gb_surface_create_req base;
1153	enum drm_vmw_surface_version version;
1154	uint32_t svga3d_flags_upper_32_bits;
1155	SVGA3dMSPattern multisample_pattern;
1156	SVGA3dMSQualityLevel quality_level;
1157	uint64_t must_be_zero;
1158};
1159
1160/**
1161 * union drm_vmw_gb_surface_create_ext_arg
1162 *
1163 * @req: Input argument as described above.
1164 * @rep: Output argument as described above.
1165 *
1166 * Argument to the DRM_VMW_GB_SURFACE_CREATE_EXT ioctl.
1167 */
1168union drm_vmw_gb_surface_create_ext_arg {
1169	struct drm_vmw_gb_surface_create_rep rep;
1170	struct drm_vmw_gb_surface_create_ext_req req;
1171};
1172
1173/*************************************************************************/
1174/**
1175 * DRM_VMW_GB_SURFACE_REF_EXT - Reference a host surface.
1176 *
1177 * Puts a reference on a host surface with a given handle, as previously
1178 * returned by the DRM_VMW_GB_SURFACE_CREATE_EXT ioctl.
1179 * A reference will make sure the surface isn't destroyed while we hold
1180 * it and will allow the calling client to use the surface handle in
1181 * the command stream.
1182 *
1183 * On successful return, the Ioctl returns the surface information given
1184 * to and returned from the DRM_VMW_GB_SURFACE_CREATE_EXT ioctl.
1185 */
1186
1187/**
1188 * struct drm_vmw_gb_surface_ref_ext_rep
1189 *
1190 * @creq: The data used as input when the surface was created, as described
1191 *        above at "struct drm_vmw_gb_surface_create_ext_req"
1192 * @crep: Additional data output when the surface was created, as described
1193 *        above at "struct drm_vmw_gb_surface_create_rep"
1194 *
1195 * Output Argument to the DRM_VMW_GB_SURFACE_REF_EXT ioctl.
1196 */
1197struct drm_vmw_gb_surface_ref_ext_rep {
1198	struct drm_vmw_gb_surface_create_ext_req creq;
1199	struct drm_vmw_gb_surface_create_rep crep;
1200};
1201
1202/**
1203 * union drm_vmw_gb_surface_reference_ext_arg
1204 *
1205 * @req: Input data as described above at "struct drm_vmw_surface_arg"
1206 * @rep: Output data as described above at
1207 *       "struct drm_vmw_gb_surface_ref_ext_rep"
1208 *
1209 * Argument to the DRM_VMW_GB_SURFACE_REF Ioctl.
1210 */
1211union drm_vmw_gb_surface_reference_ext_arg {
1212	struct drm_vmw_gb_surface_ref_ext_rep rep;
1213	struct drm_vmw_surface_arg req;
1214};
1215
1216#if defined(__cplusplus)
1217}
1218#endif
1219
1220#endif
1221