1 /**************************************************************************
3 * Copyright © 2009 VMware, Inc., Palo Alto, CA., USA
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:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
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,
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23 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
24 * USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
28 #ifndef __VMWGFX_DRM_H__
29 #define __VMWGFX_DRM_H__
35 #define DRM_VMW_MAX_SURFACE_FACES 6
36 #define DRM_VMW_MAX_MIP_LEVELS 24
39 #define DRM_VMW_GET_PARAM 0
40 #define DRM_VMW_ALLOC_DMABUF 1
41 #define DRM_VMW_UNREF_DMABUF 2
42 #define DRM_VMW_CURSOR_BYPASS 3
43 /* guarded by DRM_VMW_PARAM_NUM_STREAMS != 0*/
44 #define DRM_VMW_CONTROL_STREAM 4
45 #define DRM_VMW_CLAIM_STREAM 5
46 #define DRM_VMW_UNREF_STREAM 6
47 /* guarded by DRM_VMW_PARAM_3D == 1 */
48 #define DRM_VMW_CREATE_CONTEXT 7
49 #define DRM_VMW_UNREF_CONTEXT 8
50 #define DRM_VMW_CREATE_SURFACE 9
51 #define DRM_VMW_UNREF_SURFACE 10
52 #define DRM_VMW_REF_SURFACE 11
53 #define DRM_VMW_EXECBUF 12
54 #define DRM_VMW_GET_3D_CAP 13
55 #define DRM_VMW_FENCE_WAIT 14
56 #define DRM_VMW_FENCE_SIGNALED 15
57 #define DRM_VMW_FENCE_UNREF 16
58 #define DRM_VMW_FENCE_EVENT 17
59 #define DRM_VMW_PRESENT 18
60 #define DRM_VMW_PRESENT_READBACK 19
61 #define DRM_VMW_UPDATE_LAYOUT 20
62 #define DRM_VMW_CREATE_SHADER 21
63 #define DRM_VMW_UNREF_SHADER 22
64 #define DRM_VMW_GB_SURFACE_CREATE 23
65 #define DRM_VMW_GB_SURFACE_REF 24
66 #define DRM_VMW_SYNCCPU 25
68 /*************************************************************************/
70 * DRM_VMW_GET_PARAM - get device information.
72 * DRM_VMW_PARAM_FIFO_OFFSET:
73 * Offset to use to map the first page of the FIFO read-only.
74 * The fifo is mapped using the mmap() system call on the drm device.
76 * DRM_VMW_PARAM_OVERLAY_IOCTL:
77 * Does the driver support the overlay ioctl.
80 #define DRM_VMW_PARAM_NUM_STREAMS 0
81 #define DRM_VMW_PARAM_NUM_FREE_STREAMS 1
82 #define DRM_VMW_PARAM_3D 2
83 #define DRM_VMW_PARAM_HW_CAPS 3
84 #define DRM_VMW_PARAM_FIFO_CAPS 4
85 #define DRM_VMW_PARAM_MAX_FB_SIZE 5
86 #define DRM_VMW_PARAM_FIFO_HW_VERSION 6
87 #define DRM_VMW_PARAM_MAX_SURF_MEMORY 7
88 #define DRM_VMW_PARAM_3D_CAPS_SIZE 8
89 #define DRM_VMW_PARAM_MAX_MOB_MEMORY 9
90 #define DRM_VMW_PARAM_MAX_MOB_SIZE 10
91 #define DRM_VMW_PARAM_SCREEN_TARGET 11
94 * enum drm_vmw_handle_type - handle type for ref ioctls
97 enum drm_vmw_handle_type {
98 DRM_VMW_HANDLE_LEGACY = 0,
99 DRM_VMW_HANDLE_PRIME = 1
103 * struct drm_vmw_getparam_arg
105 * @value: Returned value. //Out
106 * @param: Parameter to query. //In.
108 * Argument to the DRM_VMW_GET_PARAM Ioctl.
111 struct drm_vmw_getparam_arg {
117 /*************************************************************************/
119 * DRM_VMW_CREATE_CONTEXT - Create a host context.
121 * Allocates a device unique context id, and queues a create context command
122 * for the host. Does not wait for host completion.
126 * struct drm_vmw_context_arg
128 * @cid: Device unique context ID.
130 * Output argument to the DRM_VMW_CREATE_CONTEXT Ioctl.
131 * Input argument to the DRM_VMW_UNREF_CONTEXT Ioctl.
134 struct drm_vmw_context_arg {
139 /*************************************************************************/
141 * DRM_VMW_UNREF_CONTEXT - Create a host context.
143 * Frees a global context id, and queues a destroy host command for the host.
144 * Does not wait for host completion. The context ID can be used directly
145 * in the command stream and shows up as the same context ID on the host.
148 /*************************************************************************/
150 * DRM_VMW_CREATE_SURFACE - Create a host suface.
152 * Allocates a device unique surface id, and queues a create surface command
153 * for the host. Does not wait for host completion. The surface ID can be
154 * used directly in the command stream and shows up as the same surface
159 * struct drm_wmv_surface_create_req
161 * @flags: Surface flags as understood by the host.
162 * @format: Surface format as understood by the host.
163 * @mip_levels: Number of mip levels for each face.
164 * An unused face should have 0 encoded.
165 * @size_addr: Address of a user-space array of sruct drm_vmw_size
166 * cast to an uint64_t for 32-64 bit compatibility.
167 * The size of the array should equal the total number of mipmap levels.
168 * @shareable: Boolean whether other clients (as identified by file descriptors)
169 * may reference this surface.
170 * @scanout: Boolean whether the surface is intended to be used as a
173 * Input data to the DRM_VMW_CREATE_SURFACE Ioctl.
174 * Output data from the DRM_VMW_REF_SURFACE Ioctl.
177 struct drm_vmw_surface_create_req {
180 uint32_t mip_levels[DRM_VMW_MAX_SURFACE_FACES];
187 * struct drm_wmv_surface_arg
189 * @sid: Surface id of created surface or surface to destroy or reference.
190 * @handle_type: Handle type for DRM_VMW_REF_SURFACE Ioctl.
192 * Output data from the DRM_VMW_CREATE_SURFACE Ioctl.
193 * Input argument to the DRM_VMW_UNREF_SURFACE Ioctl.
194 * Input argument to the DRM_VMW_REF_SURFACE Ioctl.
197 struct drm_vmw_surface_arg {
199 enum drm_vmw_handle_type handle_type;
203 * struct drm_vmw_size ioctl.
205 * @width - mip level width
206 * @height - mip level height
207 * @depth - mip level depth
209 * Description of a mip level.
210 * Input data to the DRM_WMW_CREATE_SURFACE Ioctl.
213 struct drm_vmw_size {
221 * union drm_vmw_surface_create_arg
223 * @rep: Output data as described above.
224 * @req: Input data as described above.
226 * Argument to the DRM_VMW_CREATE_SURFACE Ioctl.
229 union drm_vmw_surface_create_arg {
230 struct drm_vmw_surface_arg rep;
231 struct drm_vmw_surface_create_req req;
234 /*************************************************************************/
236 * DRM_VMW_REF_SURFACE - Reference a host surface.
238 * Puts a reference on a host surface with a give sid, as previously
239 * returned by the DRM_VMW_CREATE_SURFACE ioctl.
240 * A reference will make sure the surface isn't destroyed while we hold
241 * it and will allow the calling client to use the surface ID in the command
244 * On successful return, the Ioctl returns the surface information given
245 * in the DRM_VMW_CREATE_SURFACE ioctl.
249 * union drm_vmw_surface_reference_arg
251 * @rep: Output data as described above.
252 * @req: Input data as described above.
254 * Argument to the DRM_VMW_REF_SURFACE Ioctl.
257 union drm_vmw_surface_reference_arg {
258 struct drm_vmw_surface_create_req rep;
259 struct drm_vmw_surface_arg req;
262 /*************************************************************************/
264 * DRM_VMW_UNREF_SURFACE - Unreference a host surface.
266 * Clear a reference previously put on a host surface.
267 * When all references are gone, including the one implicitly placed
269 * a destroy surface command will be queued for the host.
270 * Does not wait for completion.
273 /*************************************************************************/
277 * Submit a command buffer for execution on the host, and return a
278 * fence seqno that when signaled, indicates that the command buffer has
283 * struct drm_vmw_execbuf_arg
285 * @commands: User-space address of a command buffer cast to an uint64_t.
286 * @command-size: Size in bytes of the command buffer.
287 * @throttle-us: Sleep until software is less than @throttle_us
288 * microseconds ahead of hardware. The driver may round this value
289 * to the nearest kernel tick.
290 * @fence_rep: User-space address of a struct drm_vmw_fence_rep cast to an
292 * @version: Allows expanding the execbuf ioctl parameters without breaking
293 * backwards compatibility, since user-space will always tell the kernel
294 * which version it uses.
295 * @flags: Execbuf flags. None currently.
297 * Argument to the DRM_VMW_EXECBUF Ioctl.
300 #define DRM_VMW_EXECBUF_VERSION 1
302 struct drm_vmw_execbuf_arg {
304 uint32_t command_size;
305 uint32_t throttle_us;
312 * struct drm_vmw_fence_rep
314 * @handle: Fence object handle for fence associated with a command submission.
315 * @mask: Fence flags relevant for this fence object.
316 * @seqno: Fence sequence number in fifo. A fence object with a lower
317 * seqno will signal the EXEC flag before a fence object with a higher
318 * seqno. This can be used by user-space to avoid kernel calls to determine
319 * whether a fence has signaled the EXEC flag. Note that @seqno will
321 * @passed_seqno: The highest seqno number processed by the hardware
322 * so far. This can be used to mark user-space fence objects as signaled, and
323 * to determine whether a fence seqno might be stale.
324 * @error: This member should've been set to -EFAULT on submission.
325 * The following actions should be take on completion:
326 * error == -EFAULT: Fence communication failed. The host is synchronized.
327 * Use the last fence id read from the FIFO fence register.
328 * error != 0 && error != -EFAULT:
329 * Fence submission failed. The host is synchronized. Use the fence_seq member.
330 * error == 0: All is OK, The host may not be synchronized.
331 * Use the fence_seq member.
333 * Input / Output data to the DRM_VMW_EXECBUF Ioctl.
336 struct drm_vmw_fence_rep {
340 uint32_t passed_seqno;
345 /*************************************************************************/
347 * DRM_VMW_ALLOC_DMABUF
349 * Allocate a DMA buffer that is visible also to the host.
350 * NOTE: The buffer is
351 * identified by a handle and an offset, which are private to the guest, but
352 * useable in the command stream. The guest kernel may translate these
353 * and patch up the command stream accordingly. In the future, the offset may
354 * be zero at all times, or it may disappear from the interface before it is
357 * The DMA buffer may stay user-space mapped in the guest at all times,
358 * and is thus suitable for sub-allocation.
360 * DMA buffers are mapped using the mmap() syscall on the drm device.
364 * struct drm_vmw_alloc_dmabuf_req
366 * @size: Required minimum size of the buffer.
368 * Input data to the DRM_VMW_ALLOC_DMABUF Ioctl.
371 struct drm_vmw_alloc_dmabuf_req {
377 * struct drm_vmw_dmabuf_rep
379 * @map_handle: Offset to use in the mmap() call used to map the buffer.
380 * @handle: Handle unique to this buffer. Used for unreferencing.
381 * @cur_gmr_id: GMR id to use in the command stream when this buffer is
382 * referenced. See not above.
383 * @cur_gmr_offset: Offset to use in the command stream when this buffer is
384 * referenced. See note above.
386 * Output data from the DRM_VMW_ALLOC_DMABUF Ioctl.
389 struct drm_vmw_dmabuf_rep {
393 uint32_t cur_gmr_offset;
398 * union drm_vmw_dmabuf_arg
400 * @req: Input data as described above.
401 * @rep: Output data as described above.
403 * Argument to the DRM_VMW_ALLOC_DMABUF Ioctl.
406 union drm_vmw_alloc_dmabuf_arg {
407 struct drm_vmw_alloc_dmabuf_req req;
408 struct drm_vmw_dmabuf_rep rep;
411 /*************************************************************************/
413 * DRM_VMW_UNREF_DMABUF - Free a DMA buffer.
418 * struct drm_vmw_unref_dmabuf_arg
420 * @handle: Handle indicating what buffer to free. Obtained from the
421 * DRM_VMW_ALLOC_DMABUF Ioctl.
423 * Argument to the DRM_VMW_UNREF_DMABUF Ioctl.
426 struct drm_vmw_unref_dmabuf_arg {
431 /*************************************************************************/
433 * DRM_VMW_CONTROL_STREAM - Control overlays, aka streams.
435 * This IOCTL controls the overlay units of the svga device.
436 * The SVGA overlay units does not work like regular hardware units in
437 * that they do not automaticaly read back the contents of the given dma
438 * buffer. But instead only read back for each call to this ioctl, and
439 * at any point between this call being made and a following call that
440 * either changes the buffer or disables the stream.
444 * struct drm_vmw_rect
446 * Defines a rectangle. Used in the overlay ioctl to define
447 * source and destination rectangle.
450 struct drm_vmw_rect {
458 * struct drm_vmw_control_stream_arg
460 * @stream_id: Stearm to control
461 * @enabled: If false all following arguments are ignored.
462 * @handle: Handle to buffer for getting data from.
463 * @format: Format of the overlay as understood by the host.
464 * @width: Width of the overlay.
465 * @height: Height of the overlay.
466 * @size: Size of the overlay in bytes.
467 * @pitch: Array of pitches, the two last are only used for YUV12 formats.
468 * @offset: Offset from start of dma buffer to overlay.
469 * @src: Source rect, must be within the defined area above.
470 * @dst: Destination rect, x and y may be negative.
472 * Argument to the DRM_VMW_CONTROL_STREAM Ioctl.
475 struct drm_vmw_control_stream_arg {
491 struct drm_vmw_rect src;
492 struct drm_vmw_rect dst;
495 /*************************************************************************/
497 * DRM_VMW_CURSOR_BYPASS - Give extra information about cursor bypass.
501 #define DRM_VMW_CURSOR_BYPASS_ALL (1 << 0)
502 #define DRM_VMW_CURSOR_BYPASS_FLAGS (1)
505 * struct drm_vmw_cursor_bypass_arg
508 * @crtc_id: Crtc id, only used if DMR_CURSOR_BYPASS_ALL isn't passed.
509 * @xpos: X position of cursor.
510 * @ypos: Y position of cursor.
514 * Argument to the DRM_VMW_CURSOR_BYPASS Ioctl.
517 struct drm_vmw_cursor_bypass_arg {
526 /*************************************************************************/
528 * DRM_VMW_CLAIM_STREAM - Claim a single stream.
532 * struct drm_vmw_context_arg
534 * @stream_id: Device unique context ID.
536 * Output argument to the DRM_VMW_CREATE_CONTEXT Ioctl.
537 * Input argument to the DRM_VMW_UNREF_CONTEXT Ioctl.
540 struct drm_vmw_stream_arg {
545 /*************************************************************************/
547 * DRM_VMW_UNREF_STREAM - Unclaim a stream.
549 * Return a single stream that was claimed by this process. Also makes
550 * sure that the stream has been stopped.
553 /*************************************************************************/
557 * Read 3D capabilities from the FIFO
562 * struct drm_vmw_get_3d_cap_arg
564 * @buffer: Pointer to a buffer for capability data, cast to an uint64_t
565 * @size: Max size to copy
567 * Input argument to the DRM_VMW_GET_3D_CAP_IOCTL
571 struct drm_vmw_get_3d_cap_arg {
577 /*************************************************************************/
581 * Waits for a fence object to signal. The wait is interruptible, so that
582 * signals may be delivered during the interrupt. The wait may timeout,
583 * in which case the calls returns -EBUSY. If the wait is restarted,
584 * that is restarting without resetting @cookie_valid to zero,
585 * the timeout is computed from the first call.
587 * The flags argument to the DRM_VMW_FENCE_WAIT ioctl indicates what to wait
589 * DRM_VMW_FENCE_FLAG_EXEC: All commands ahead of the fence in the command
592 * DRM_VMW_FENCE_FLAG_QUERY: All query results resulting from query finish
594 * in the buffer given to the EXECBUF ioctl returning the fence object handle
595 * are available to user-space.
597 * DRM_VMW_WAIT_OPTION_UNREF: If this wait option is given, and the
598 * fenc wait ioctl returns 0, the fence object has been unreferenced after
602 #define DRM_VMW_FENCE_FLAG_EXEC (1 << 0)
603 #define DRM_VMW_FENCE_FLAG_QUERY (1 << 1)
605 #define DRM_VMW_WAIT_OPTION_UNREF (1 << 0)
608 * struct drm_vmw_fence_wait_arg
610 * @handle: Fence object handle as returned by the DRM_VMW_EXECBUF ioctl.
611 * @cookie_valid: Must be reset to 0 on first call. Left alone on restart.
612 * @kernel_cookie: Set to 0 on first call. Left alone on restart.
613 * @timeout_us: Wait timeout in microseconds. 0 for indefinite timeout.
614 * @lazy: Set to 1 if timing is not critical. Allow more than a kernel tick
616 * @flags: Fence flags to wait on.
617 * @wait_options: Options that control the behaviour of the wait ioctl.
619 * Input argument to the DRM_VMW_FENCE_WAIT ioctl.
622 struct drm_vmw_fence_wait_arg {
624 int32_t cookie_valid;
625 uint64_t kernel_cookie;
629 int32_t wait_options;
633 /*************************************************************************/
635 * DRM_VMW_FENCE_SIGNALED
637 * Checks if a fence object is signaled..
641 * struct drm_vmw_fence_signaled_arg
643 * @handle: Fence object handle as returned by the DRM_VMW_EXECBUF ioctl.
644 * @flags: Fence object flags input to DRM_VMW_FENCE_SIGNALED ioctl
645 * @signaled: Out: Flags signaled.
646 * @sequence: Out: Highest sequence passed so far. Can be used to signal the
647 * EXEC flag of user-space fence objects.
649 * Input/Output argument to the DRM_VMW_FENCE_SIGNALED and DRM_VMW_FENCE_UNREF
653 struct drm_vmw_fence_signaled_arg {
657 uint32_t passed_seqno;
658 uint32_t signaled_flags;
662 /*************************************************************************/
664 * DRM_VMW_FENCE_UNREF
666 * Unreferences a fence object, and causes it to be destroyed if there are no
667 * other references to it.
672 * struct drm_vmw_fence_arg
674 * @handle: Fence object handle as returned by the DRM_VMW_EXECBUF ioctl.
676 * Input/Output argument to the DRM_VMW_FENCE_UNREF ioctl..
679 struct drm_vmw_fence_arg {
685 /*************************************************************************/
687 * DRM_VMW_FENCE_EVENT
689 * Queues an event on a fence to be delivered on the drm character device
690 * when the fence has signaled the DRM_VMW_FENCE_FLAG_EXEC flag.
691 * Optionally the approximate time when the fence signaled is
692 * given by the event.
698 #define DRM_VMW_EVENT_FENCE_SIGNALED 0x80000000
700 struct drm_vmw_event_fence {
701 struct drm_event base;
708 * Flags that may be given to the command.
710 /* Request fence signaled time on the event. */
711 #define DRM_VMW_FE_FLAG_REQ_TIME (1 << 0)
714 * struct drm_vmw_fence_event_arg
716 * @fence_rep: Pointer to fence_rep structure cast to uint64_t or 0 if
717 * the fence is not supposed to be referenced by user-space.
718 * @user_info: Info to be delivered with the event.
719 * @handle: Attach the event to this fence only.
720 * @flags: A set of flags as defined above.
722 struct drm_vmw_fence_event_arg {
730 /*************************************************************************/
734 * Executes an SVGA present on a given fb for a given surface. The surface
735 * is placed on the framebuffer. Cliprects are given relative to the given
736 * point (the point disignated by dest_{x|y}).
741 * struct drm_vmw_present_arg
742 * @fb_id: framebuffer id to present / read back from.
743 * @sid: Surface id to present from.
744 * @dest_x: X placement coordinate for surface.
745 * @dest_y: Y placement coordinate for surface.
746 * @clips_ptr: Pointer to an array of clip rects cast to an uint64_t.
747 * @num_clips: Number of cliprects given relative to the framebuffer origin,
748 * in the same coordinate space as the frame buffer.
749 * @pad64: Unused 64-bit padding.
751 * Input argument to the DRM_VMW_PRESENT ioctl.
754 struct drm_vmw_present_arg {
765 /*************************************************************************/
767 * DRM_VMW_PRESENT_READBACK
769 * Executes an SVGA present readback from a given fb to the dma buffer
770 * currently bound as the fb. If there is no dma buffer bound to the fb,
771 * an error will be returned.
776 * struct drm_vmw_present_arg
777 * @fb_id: fb_id to present / read back from.
778 * @num_clips: Number of cliprects.
779 * @clips_ptr: Pointer to an array of clip rects cast to an uint64_t.
780 * @fence_rep: Pointer to a struct drm_vmw_fence_rep, cast to an uint64_t.
781 * If this member is NULL, then the ioctl should not return a fence.
784 struct drm_vmw_present_readback_arg {
791 /*************************************************************************/
793 * DRM_VMW_UPDATE_LAYOUT - Update layout
795 * Updates the preferred modes and connection status for connectors. The
796 * command consists of one drm_vmw_update_layout_arg pointing to an array
797 * of num_outputs drm_vmw_rect's.
801 * struct drm_vmw_update_layout_arg
803 * @num_outputs: number of active connectors
804 * @rects: pointer to array of drm_vmw_rect cast to an uint64_t
806 * Input argument to the DRM_VMW_UPDATE_LAYOUT Ioctl.
808 struct drm_vmw_update_layout_arg {
809 uint32_t num_outputs;
815 /*************************************************************************/
817 * DRM_VMW_CREATE_SHADER - Create shader
819 * Creates a shader and optionally binds it to a dma buffer containing
820 * the shader byte-code.
824 * enum drm_vmw_shader_type - Shader types
826 enum drm_vmw_shader_type {
827 drm_vmw_shader_type_vs = 0,
828 drm_vmw_shader_type_ps,
829 drm_vmw_shader_type_gs
834 * struct drm_vmw_shader_create_arg
836 * @shader_type: Shader type of the shader to create.
837 * @size: Size of the byte-code in bytes.
838 * where the shader byte-code starts
839 * @buffer_handle: Buffer handle identifying the buffer containing the
841 * @shader_handle: On successful completion contains a handle that
842 * can be used to subsequently identify the shader.
843 * @offset: Offset in bytes into the buffer given by @buffer_handle,
845 * Input / Output argument to the DRM_VMW_CREATE_SHADER Ioctl.
847 struct drm_vmw_shader_create_arg {
848 enum drm_vmw_shader_type shader_type;
850 uint32_t buffer_handle;
851 uint32_t shader_handle;
855 /*************************************************************************/
857 * DRM_VMW_UNREF_SHADER - Unreferences a shader
859 * Destroys a user-space reference to a shader, optionally destroying
864 * struct drm_vmw_shader_arg
866 * @handle: Handle identifying the shader to destroy.
868 * Input argument to the DRM_VMW_UNREF_SHADER ioctl.
870 struct drm_vmw_shader_arg {
875 /*************************************************************************/
877 * DRM_VMW_GB_SURFACE_CREATE - Create a host guest-backed surface.
879 * Allocates a surface handle and queues a create surface command
880 * for the host on the first use of the surface. The surface ID can
881 * be used as the surface ID in commands referencing the surface.
885 * enum drm_vmw_surface_flags
887 * @drm_vmw_surface_flag_shareable: Whether the surface is shareable
888 * @drm_vmw_surface_flag_scanout: Whether the surface is a scanout
890 * @drm_vmw_surface_flag_create_buffer: Create a backup buffer if none is
893 enum drm_vmw_surface_flags {
894 drm_vmw_surface_flag_shareable = (1 << 0),
895 drm_vmw_surface_flag_scanout = (1 << 1),
896 drm_vmw_surface_flag_create_buffer = (1 << 2)
900 * struct drm_vmw_gb_surface_create_req
902 * @svga3d_flags: SVGA3d surface flags for the device.
903 * @format: SVGA3d format.
904 * @mip_level: Number of mip levels for all faces.
905 * @drm_surface_flags Flags as described above.
906 * @multisample_count Future use. Set to 0.
907 * @autogen_filter Future use. Set to 0.
908 * @buffer_handle Buffer handle of backup buffer. SVGA3D_INVALID_ID
910 * @base_size Size of the base mip level for all faces.
912 * Input argument to the DRM_VMW_GB_SURFACE_CREATE Ioctl.
913 * Part of output argument for the DRM_VMW_GB_SURFACE_REF Ioctl.
915 struct drm_vmw_gb_surface_create_req {
916 uint32_t svga3d_flags;
919 enum drm_vmw_surface_flags drm_surface_flags;
920 uint32_t multisample_count;
921 uint32_t autogen_filter;
922 uint32_t buffer_handle;
924 struct drm_vmw_size base_size;
928 * struct drm_vmw_gb_surface_create_rep
930 * @handle: Surface handle.
931 * @backup_size: Size of backup buffers for this surface.
932 * @buffer_handle: Handle of backup buffer. SVGA3D_INVALID_ID if none.
933 * @buffer_size: Actual size of the buffer identified by
935 * @buffer_map_handle: Offset into device address space for the buffer
936 * identified by @buffer_handle.
938 * Part of output argument for the DRM_VMW_GB_SURFACE_REF ioctl.
939 * Output argument for the DRM_VMW_GB_SURFACE_CREATE ioctl.
941 struct drm_vmw_gb_surface_create_rep {
943 uint32_t backup_size;
944 uint32_t buffer_handle;
945 uint32_t buffer_size;
946 uint64_t buffer_map_handle;
950 * union drm_vmw_gb_surface_create_arg
952 * @req: Input argument as described above.
953 * @rep: Output argument as described above.
955 * Argument to the DRM_VMW_GB_SURFACE_CREATE ioctl.
957 union drm_vmw_gb_surface_create_arg {
958 struct drm_vmw_gb_surface_create_rep rep;
959 struct drm_vmw_gb_surface_create_req req;
962 /*************************************************************************/
964 * DRM_VMW_GB_SURFACE_REF - Reference a host surface.
966 * Puts a reference on a host surface with a given handle, as previously
967 * returned by the DRM_VMW_GB_SURFACE_CREATE ioctl.
968 * A reference will make sure the surface isn't destroyed while we hold
969 * it and will allow the calling client to use the surface handle in
970 * the command stream.
972 * On successful return, the Ioctl returns the surface information given
973 * to and returned from the DRM_VMW_GB_SURFACE_CREATE ioctl.
977 * struct drm_vmw_gb_surface_reference_arg
979 * @creq: The data used as input when the surface was created, as described
980 * above at "struct drm_vmw_gb_surface_create_req"
981 * @crep: Additional data output when the surface was created, as described
982 * above at "struct drm_vmw_gb_surface_create_rep"
984 * Output Argument to the DRM_VMW_GB_SURFACE_REF ioctl.
986 struct drm_vmw_gb_surface_ref_rep {
987 struct drm_vmw_gb_surface_create_req creq;
988 struct drm_vmw_gb_surface_create_rep crep;
992 * union drm_vmw_gb_surface_reference_arg
994 * @req: Input data as described above at "struct drm_vmw_surface_arg"
995 * @rep: Output data as described above at "struct drm_vmw_gb_surface_ref_rep"
997 * Argument to the DRM_VMW_GB_SURFACE_REF Ioctl.
999 union drm_vmw_gb_surface_reference_arg {
1000 struct drm_vmw_gb_surface_ref_rep rep;
1001 struct drm_vmw_surface_arg req;
1005 /*************************************************************************/
1007 * DRM_VMW_SYNCCPU - Sync a DMA buffer / MOB for CPU access.
1009 * Idles any previously submitted GPU operations on the buffer and
1010 * by default blocks command submissions that reference the buffer.
1011 * If the file descriptor used to grab a blocking CPU sync is closed, the
1012 * cpu sync is released.
1013 * The flags argument indicates how the grab / release operation should be
1018 * enum drm_vmw_synccpu_flags - Synccpu flags:
1020 * @drm_vmw_synccpu_read: Sync for read. If sync is done for read only, it's a
1021 * hint to the kernel to allow command submissions that references the buffer
1023 * @drm_vmw_synccpu_write: Sync for write. Block all command submissions
1024 * referencing this buffer.
1025 * @drm_vmw_synccpu_dontblock: Dont wait for GPU idle, but rather return
1026 * -EBUSY should the buffer be busy.
1027 * @drm_vmw_synccpu_allow_cs: Allow command submission that touches the buffer
1028 * while the buffer is synced for CPU. This is similar to the GEM bo idle
1031 enum drm_vmw_synccpu_flags {
1032 drm_vmw_synccpu_read = (1 << 0),
1033 drm_vmw_synccpu_write = (1 << 1),
1034 drm_vmw_synccpu_dontblock = (1 << 2),
1035 drm_vmw_synccpu_allow_cs = (1 << 3)
1039 * enum drm_vmw_synccpu_op - Synccpu operations:
1041 * @drm_vmw_synccpu_grab: Grab the buffer for CPU operations
1042 * @drm_vmw_synccpu_release: Release a previous grab.
1044 enum drm_vmw_synccpu_op {
1045 drm_vmw_synccpu_grab,
1046 drm_vmw_synccpu_release
1050 * struct drm_vmw_synccpu_arg
1052 * @op: The synccpu operation as described above.
1053 * @handle: Handle identifying the buffer object.
1054 * @flags: Flags as described above.
1056 struct drm_vmw_synccpu_arg {
1057 enum drm_vmw_synccpu_op op;
1058 enum drm_vmw_synccpu_flags flags;