1 /**************************************************************************
3 * Copyright © 2009-2015 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
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18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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26 **************************************************************************/
28 #ifndef __VMWGFX_DRM_H__
29 #define __VMWGFX_DRM_H__
33 #define DRM_VMW_MAX_SURFACE_FACES 6
34 #define DRM_VMW_MAX_MIP_LEVELS 24
37 #define DRM_VMW_GET_PARAM 0
38 #define DRM_VMW_ALLOC_DMABUF 1
39 #define DRM_VMW_UNREF_DMABUF 2
40 #define DRM_VMW_CURSOR_BYPASS 3
41 /* guarded by DRM_VMW_PARAM_NUM_STREAMS != 0*/
42 #define DRM_VMW_CONTROL_STREAM 4
43 #define DRM_VMW_CLAIM_STREAM 5
44 #define DRM_VMW_UNREF_STREAM 6
45 /* guarded by DRM_VMW_PARAM_3D == 1 */
46 #define DRM_VMW_CREATE_CONTEXT 7
47 #define DRM_VMW_UNREF_CONTEXT 8
48 #define DRM_VMW_CREATE_SURFACE 9
49 #define DRM_VMW_UNREF_SURFACE 10
50 #define DRM_VMW_REF_SURFACE 11
51 #define DRM_VMW_EXECBUF 12
52 #define DRM_VMW_GET_3D_CAP 13
53 #define DRM_VMW_FENCE_WAIT 14
54 #define DRM_VMW_FENCE_SIGNALED 15
55 #define DRM_VMW_FENCE_UNREF 16
56 #define DRM_VMW_FENCE_EVENT 17
57 #define DRM_VMW_PRESENT 18
58 #define DRM_VMW_PRESENT_READBACK 19
59 #define DRM_VMW_UPDATE_LAYOUT 20
60 #define DRM_VMW_CREATE_SHADER 21
61 #define DRM_VMW_UNREF_SHADER 22
62 #define DRM_VMW_GB_SURFACE_CREATE 23
63 #define DRM_VMW_GB_SURFACE_REF 24
64 #define DRM_VMW_SYNCCPU 25
65 #define DRM_VMW_CREATE_EXTENDED_CONTEXT 26
67 /*************************************************************************/
69 * DRM_VMW_GET_PARAM - get device information.
71 * DRM_VMW_PARAM_FIFO_OFFSET:
72 * Offset to use to map the first page of the FIFO read-only.
73 * The fifo is mapped using the mmap() system call on the drm device.
75 * DRM_VMW_PARAM_OVERLAY_IOCTL:
76 * Does the driver support the overlay ioctl.
79 #define DRM_VMW_PARAM_NUM_STREAMS 0
80 #define DRM_VMW_PARAM_NUM_FREE_STREAMS 1
81 #define DRM_VMW_PARAM_3D 2
82 #define DRM_VMW_PARAM_HW_CAPS 3
83 #define DRM_VMW_PARAM_FIFO_CAPS 4
84 #define DRM_VMW_PARAM_MAX_FB_SIZE 5
85 #define DRM_VMW_PARAM_FIFO_HW_VERSION 6
86 #define DRM_VMW_PARAM_MAX_SURF_MEMORY 7
87 #define DRM_VMW_PARAM_3D_CAPS_SIZE 8
88 #define DRM_VMW_PARAM_MAX_MOB_MEMORY 9
89 #define DRM_VMW_PARAM_MAX_MOB_SIZE 10
90 #define DRM_VMW_PARAM_SCREEN_TARGET 11
91 #define DRM_VMW_PARAM_DX 12
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 __u64 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 __u32 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 __u64.
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 2
302 struct drm_vmw_execbuf_arg {
309 __u32 context_handle;
314 * struct drm_vmw_fence_rep
316 * @handle: Fence object handle for fence associated with a command submission.
317 * @mask: Fence flags relevant for this fence object.
318 * @seqno: Fence sequence number in fifo. A fence object with a lower
319 * seqno will signal the EXEC flag before a fence object with a higher
320 * seqno. This can be used by user-space to avoid kernel calls to determine
321 * whether a fence has signaled the EXEC flag. Note that @seqno will
323 * @passed_seqno: The highest seqno number processed by the hardware
324 * so far. This can be used to mark user-space fence objects as signaled, and
325 * to determine whether a fence seqno might be stale.
326 * @error: This member should've been set to -EFAULT on submission.
327 * The following actions should be take on completion:
328 * error == -EFAULT: Fence communication failed. The host is synchronized.
329 * Use the last fence id read from the FIFO fence register.
330 * error != 0 && error != -EFAULT:
331 * Fence submission failed. The host is synchronized. Use the fence_seq member.
332 * error == 0: All is OK, The host may not be synchronized.
333 * Use the fence_seq member.
335 * Input / Output data to the DRM_VMW_EXECBUF Ioctl.
338 struct drm_vmw_fence_rep {
347 /*************************************************************************/
349 * DRM_VMW_ALLOC_DMABUF
351 * Allocate a DMA buffer that is visible also to the host.
352 * NOTE: The buffer is
353 * identified by a handle and an offset, which are private to the guest, but
354 * useable in the command stream. The guest kernel may translate these
355 * and patch up the command stream accordingly. In the future, the offset may
356 * be zero at all times, or it may disappear from the interface before it is
359 * The DMA buffer may stay user-space mapped in the guest at all times,
360 * and is thus suitable for sub-allocation.
362 * DMA buffers are mapped using the mmap() syscall on the drm device.
366 * struct drm_vmw_alloc_dmabuf_req
368 * @size: Required minimum size of the buffer.
370 * Input data to the DRM_VMW_ALLOC_DMABUF Ioctl.
373 struct drm_vmw_alloc_dmabuf_req {
379 * struct drm_vmw_dmabuf_rep
381 * @map_handle: Offset to use in the mmap() call used to map the buffer.
382 * @handle: Handle unique to this buffer. Used for unreferencing.
383 * @cur_gmr_id: GMR id to use in the command stream when this buffer is
384 * referenced. See not above.
385 * @cur_gmr_offset: Offset to use in the command stream when this buffer is
386 * referenced. See note above.
388 * Output data from the DRM_VMW_ALLOC_DMABUF Ioctl.
391 struct drm_vmw_dmabuf_rep {
395 __u32 cur_gmr_offset;
400 * union drm_vmw_dmabuf_arg
402 * @req: Input data as described above.
403 * @rep: Output data as described above.
405 * Argument to the DRM_VMW_ALLOC_DMABUF Ioctl.
408 union drm_vmw_alloc_dmabuf_arg {
409 struct drm_vmw_alloc_dmabuf_req req;
410 struct drm_vmw_dmabuf_rep rep;
413 /*************************************************************************/
415 * DRM_VMW_UNREF_DMABUF - Free a DMA buffer.
420 * struct drm_vmw_unref_dmabuf_arg
422 * @handle: Handle indicating what buffer to free. Obtained from the
423 * DRM_VMW_ALLOC_DMABUF Ioctl.
425 * Argument to the DRM_VMW_UNREF_DMABUF Ioctl.
428 struct drm_vmw_unref_dmabuf_arg {
433 /*************************************************************************/
435 * DRM_VMW_CONTROL_STREAM - Control overlays, aka streams.
437 * This IOCTL controls the overlay units of the svga device.
438 * The SVGA overlay units does not work like regular hardware units in
439 * that they do not automaticaly read back the contents of the given dma
440 * buffer. But instead only read back for each call to this ioctl, and
441 * at any point between this call being made and a following call that
442 * either changes the buffer or disables the stream.
446 * struct drm_vmw_rect
448 * Defines a rectangle. Used in the overlay ioctl to define
449 * source and destination rectangle.
452 struct drm_vmw_rect {
460 * struct drm_vmw_control_stream_arg
462 * @stream_id: Stearm to control
463 * @enabled: If false all following arguments are ignored.
464 * @handle: Handle to buffer for getting data from.
465 * @format: Format of the overlay as understood by the host.
466 * @width: Width of the overlay.
467 * @height: Height of the overlay.
468 * @size: Size of the overlay in bytes.
469 * @pitch: Array of pitches, the two last are only used for YUV12 formats.
470 * @offset: Offset from start of dma buffer to overlay.
471 * @src: Source rect, must be within the defined area above.
472 * @dst: Destination rect, x and y may be negative.
474 * Argument to the DRM_VMW_CONTROL_STREAM Ioctl.
477 struct drm_vmw_control_stream_arg {
493 struct drm_vmw_rect src;
494 struct drm_vmw_rect dst;
497 /*************************************************************************/
499 * DRM_VMW_CURSOR_BYPASS - Give extra information about cursor bypass.
503 #define DRM_VMW_CURSOR_BYPASS_ALL (1 << 0)
504 #define DRM_VMW_CURSOR_BYPASS_FLAGS (1)
507 * struct drm_vmw_cursor_bypass_arg
510 * @crtc_id: Crtc id, only used if DMR_CURSOR_BYPASS_ALL isn't passed.
511 * @xpos: X position of cursor.
512 * @ypos: Y position of cursor.
516 * Argument to the DRM_VMW_CURSOR_BYPASS Ioctl.
519 struct drm_vmw_cursor_bypass_arg {
528 /*************************************************************************/
530 * DRM_VMW_CLAIM_STREAM - Claim a single stream.
534 * struct drm_vmw_context_arg
536 * @stream_id: Device unique context ID.
538 * Output argument to the DRM_VMW_CREATE_CONTEXT Ioctl.
539 * Input argument to the DRM_VMW_UNREF_CONTEXT Ioctl.
542 struct drm_vmw_stream_arg {
547 /*************************************************************************/
549 * DRM_VMW_UNREF_STREAM - Unclaim a stream.
551 * Return a single stream that was claimed by this process. Also makes
552 * sure that the stream has been stopped.
555 /*************************************************************************/
559 * Read 3D capabilities from the FIFO
564 * struct drm_vmw_get_3d_cap_arg
566 * @buffer: Pointer to a buffer for capability data, cast to an __u64
567 * @size: Max size to copy
569 * Input argument to the DRM_VMW_GET_3D_CAP_IOCTL
573 struct drm_vmw_get_3d_cap_arg {
579 /*************************************************************************/
583 * Waits for a fence object to signal. The wait is interruptible, so that
584 * signals may be delivered during the interrupt. The wait may timeout,
585 * in which case the calls returns -EBUSY. If the wait is restarted,
586 * that is restarting without resetting @cookie_valid to zero,
587 * the timeout is computed from the first call.
589 * The flags argument to the DRM_VMW_FENCE_WAIT ioctl indicates what to wait
591 * DRM_VMW_FENCE_FLAG_EXEC: All commands ahead of the fence in the command
594 * DRM_VMW_FENCE_FLAG_QUERY: All query results resulting from query finish
596 * in the buffer given to the EXECBUF ioctl returning the fence object handle
597 * are available to user-space.
599 * DRM_VMW_WAIT_OPTION_UNREF: If this wait option is given, and the
600 * fenc wait ioctl returns 0, the fence object has been unreferenced after
604 #define DRM_VMW_FENCE_FLAG_EXEC (1 << 0)
605 #define DRM_VMW_FENCE_FLAG_QUERY (1 << 1)
607 #define DRM_VMW_WAIT_OPTION_UNREF (1 << 0)
610 * struct drm_vmw_fence_wait_arg
612 * @handle: Fence object handle as returned by the DRM_VMW_EXECBUF ioctl.
613 * @cookie_valid: Must be reset to 0 on first call. Left alone on restart.
614 * @kernel_cookie: Set to 0 on first call. Left alone on restart.
615 * @timeout_us: Wait timeout in microseconds. 0 for indefinite timeout.
616 * @lazy: Set to 1 if timing is not critical. Allow more than a kernel tick
618 * @flags: Fence flags to wait on.
619 * @wait_options: Options that control the behaviour of the wait ioctl.
621 * Input argument to the DRM_VMW_FENCE_WAIT ioctl.
624 struct drm_vmw_fence_wait_arg {
635 /*************************************************************************/
637 * DRM_VMW_FENCE_SIGNALED
639 * Checks if a fence object is signaled..
643 * struct drm_vmw_fence_signaled_arg
645 * @handle: Fence object handle as returned by the DRM_VMW_EXECBUF ioctl.
646 * @flags: Fence object flags input to DRM_VMW_FENCE_SIGNALED ioctl
647 * @signaled: Out: Flags signaled.
648 * @sequence: Out: Highest sequence passed so far. Can be used to signal the
649 * EXEC flag of user-space fence objects.
651 * Input/Output argument to the DRM_VMW_FENCE_SIGNALED and DRM_VMW_FENCE_UNREF
655 struct drm_vmw_fence_signaled_arg {
660 __u32 signaled_flags;
664 /*************************************************************************/
666 * DRM_VMW_FENCE_UNREF
668 * Unreferences a fence object, and causes it to be destroyed if there are no
669 * other references to it.
674 * struct drm_vmw_fence_arg
676 * @handle: Fence object handle as returned by the DRM_VMW_EXECBUF ioctl.
678 * Input/Output argument to the DRM_VMW_FENCE_UNREF ioctl..
681 struct drm_vmw_fence_arg {
687 /*************************************************************************/
689 * DRM_VMW_FENCE_EVENT
691 * Queues an event on a fence to be delivered on the drm character device
692 * when the fence has signaled the DRM_VMW_FENCE_FLAG_EXEC flag.
693 * Optionally the approximate time when the fence signaled is
694 * given by the event.
700 #define DRM_VMW_EVENT_FENCE_SIGNALED 0x80000000
702 struct drm_vmw_event_fence {
703 struct drm_event base;
710 * Flags that may be given to the command.
712 /* Request fence signaled time on the event. */
713 #define DRM_VMW_FE_FLAG_REQ_TIME (1 << 0)
716 * struct drm_vmw_fence_event_arg
718 * @fence_rep: Pointer to fence_rep structure cast to __u64 or 0 if
719 * the fence is not supposed to be referenced by user-space.
720 * @user_info: Info to be delivered with the event.
721 * @handle: Attach the event to this fence only.
722 * @flags: A set of flags as defined above.
724 struct drm_vmw_fence_event_arg {
732 /*************************************************************************/
736 * Executes an SVGA present on a given fb for a given surface. The surface
737 * is placed on the framebuffer. Cliprects are given relative to the given
738 * point (the point disignated by dest_{x|y}).
743 * struct drm_vmw_present_arg
744 * @fb_id: framebuffer id to present / read back from.
745 * @sid: Surface id to present from.
746 * @dest_x: X placement coordinate for surface.
747 * @dest_y: Y placement coordinate for surface.
748 * @clips_ptr: Pointer to an array of clip rects cast to an __u64.
749 * @num_clips: Number of cliprects given relative to the framebuffer origin,
750 * in the same coordinate space as the frame buffer.
751 * @pad64: Unused 64-bit padding.
753 * Input argument to the DRM_VMW_PRESENT ioctl.
756 struct drm_vmw_present_arg {
767 /*************************************************************************/
769 * DRM_VMW_PRESENT_READBACK
771 * Executes an SVGA present readback from a given fb to the dma buffer
772 * currently bound as the fb. If there is no dma buffer bound to the fb,
773 * an error will be returned.
778 * struct drm_vmw_present_arg
779 * @fb_id: fb_id to present / read back from.
780 * @num_clips: Number of cliprects.
781 * @clips_ptr: Pointer to an array of clip rects cast to an __u64.
782 * @fence_rep: Pointer to a struct drm_vmw_fence_rep, cast to an __u64.
783 * If this member is NULL, then the ioctl should not return a fence.
786 struct drm_vmw_present_readback_arg {
793 /*************************************************************************/
795 * DRM_VMW_UPDATE_LAYOUT - Update layout
797 * Updates the preferred modes and connection status for connectors. The
798 * command consists of one drm_vmw_update_layout_arg pointing to an array
799 * of num_outputs drm_vmw_rect's.
803 * struct drm_vmw_update_layout_arg
805 * @num_outputs: number of active connectors
806 * @rects: pointer to array of drm_vmw_rect cast to an __u64
808 * Input argument to the DRM_VMW_UPDATE_LAYOUT Ioctl.
810 struct drm_vmw_update_layout_arg {
817 /*************************************************************************/
819 * DRM_VMW_CREATE_SHADER - Create shader
821 * Creates a shader and optionally binds it to a dma buffer containing
822 * the shader byte-code.
826 * enum drm_vmw_shader_type - Shader types
828 enum drm_vmw_shader_type {
829 drm_vmw_shader_type_vs = 0,
830 drm_vmw_shader_type_ps,
835 * struct drm_vmw_shader_create_arg
837 * @shader_type: Shader type of the shader to create.
838 * @size: Size of the byte-code in bytes.
839 * where the shader byte-code starts
840 * @buffer_handle: Buffer handle identifying the buffer containing the
842 * @shader_handle: On successful completion contains a handle that
843 * can be used to subsequently identify the shader.
844 * @offset: Offset in bytes into the buffer given by @buffer_handle,
846 * Input / Output argument to the DRM_VMW_CREATE_SHADER Ioctl.
848 struct drm_vmw_shader_create_arg {
849 enum drm_vmw_shader_type shader_type;
856 /*************************************************************************/
858 * DRM_VMW_UNREF_SHADER - Unreferences a shader
860 * Destroys a user-space reference to a shader, optionally destroying
865 * struct drm_vmw_shader_arg
867 * @handle: Handle identifying the shader to destroy.
869 * Input argument to the DRM_VMW_UNREF_SHADER ioctl.
871 struct drm_vmw_shader_arg {
876 /*************************************************************************/
878 * DRM_VMW_GB_SURFACE_CREATE - Create a host guest-backed surface.
880 * Allocates a surface handle and queues a create surface command
881 * for the host on the first use of the surface. The surface ID can
882 * be used as the surface ID in commands referencing the surface.
886 * enum drm_vmw_surface_flags
888 * @drm_vmw_surface_flag_shareable: Whether the surface is shareable
889 * @drm_vmw_surface_flag_scanout: Whether the surface is a scanout
891 * @drm_vmw_surface_flag_create_buffer: Create a backup buffer if none is
894 enum drm_vmw_surface_flags {
895 drm_vmw_surface_flag_shareable = (1 << 0),
896 drm_vmw_surface_flag_scanout = (1 << 1),
897 drm_vmw_surface_flag_create_buffer = (1 << 2)
901 * struct drm_vmw_gb_surface_create_req
903 * @svga3d_flags: SVGA3d surface flags for the device.
904 * @format: SVGA3d format.
905 * @mip_level: Number of mip levels for all faces.
906 * @drm_surface_flags Flags as described above.
907 * @multisample_count Future use. Set to 0.
908 * @autogen_filter Future use. Set to 0.
909 * @buffer_handle Buffer handle of backup buffer. SVGA3D_INVALID_ID
911 * @base_size Size of the base mip level for all faces.
912 * @array_size Must be zero for non-DX hardware, and if non-zero
913 * svga3d_flags must have proper bind flags setup.
915 * Input argument to the DRM_VMW_GB_SURFACE_CREATE Ioctl.
916 * Part of output argument for the DRM_VMW_GB_SURFACE_REF Ioctl.
918 struct drm_vmw_gb_surface_create_req {
922 enum drm_vmw_surface_flags drm_surface_flags;
923 __u32 multisample_count;
924 __u32 autogen_filter;
927 struct drm_vmw_size base_size;
931 * struct drm_vmw_gb_surface_create_rep
933 * @handle: Surface handle.
934 * @backup_size: Size of backup buffers for this surface.
935 * @buffer_handle: Handle of backup buffer. SVGA3D_INVALID_ID if none.
936 * @buffer_size: Actual size of the buffer identified by
938 * @buffer_map_handle: Offset into device address space for the buffer
939 * identified by @buffer_handle.
941 * Part of output argument for the DRM_VMW_GB_SURFACE_REF ioctl.
942 * Output argument for the DRM_VMW_GB_SURFACE_CREATE ioctl.
944 struct drm_vmw_gb_surface_create_rep {
949 __u64 buffer_map_handle;
953 * union drm_vmw_gb_surface_create_arg
955 * @req: Input argument as described above.
956 * @rep: Output argument as described above.
958 * Argument to the DRM_VMW_GB_SURFACE_CREATE ioctl.
960 union drm_vmw_gb_surface_create_arg {
961 struct drm_vmw_gb_surface_create_rep rep;
962 struct drm_vmw_gb_surface_create_req req;
965 /*************************************************************************/
967 * DRM_VMW_GB_SURFACE_REF - Reference a host surface.
969 * Puts a reference on a host surface with a given handle, as previously
970 * returned by the DRM_VMW_GB_SURFACE_CREATE ioctl.
971 * A reference will make sure the surface isn't destroyed while we hold
972 * it and will allow the calling client to use the surface handle in
973 * the command stream.
975 * On successful return, the Ioctl returns the surface information given
976 * to and returned from the DRM_VMW_GB_SURFACE_CREATE ioctl.
980 * struct drm_vmw_gb_surface_reference_arg
982 * @creq: The data used as input when the surface was created, as described
983 * above at "struct drm_vmw_gb_surface_create_req"
984 * @crep: Additional data output when the surface was created, as described
985 * above at "struct drm_vmw_gb_surface_create_rep"
987 * Output Argument to the DRM_VMW_GB_SURFACE_REF ioctl.
989 struct drm_vmw_gb_surface_ref_rep {
990 struct drm_vmw_gb_surface_create_req creq;
991 struct drm_vmw_gb_surface_create_rep crep;
995 * union drm_vmw_gb_surface_reference_arg
997 * @req: Input data as described above at "struct drm_vmw_surface_arg"
998 * @rep: Output data as described above at "struct drm_vmw_gb_surface_ref_rep"
1000 * Argument to the DRM_VMW_GB_SURFACE_REF Ioctl.
1002 union drm_vmw_gb_surface_reference_arg {
1003 struct drm_vmw_gb_surface_ref_rep rep;
1004 struct drm_vmw_surface_arg req;
1008 /*************************************************************************/
1010 * DRM_VMW_SYNCCPU - Sync a DMA buffer / MOB for CPU access.
1012 * Idles any previously submitted GPU operations on the buffer and
1013 * by default blocks command submissions that reference the buffer.
1014 * If the file descriptor used to grab a blocking CPU sync is closed, the
1015 * cpu sync is released.
1016 * The flags argument indicates how the grab / release operation should be
1021 * enum drm_vmw_synccpu_flags - Synccpu flags:
1023 * @drm_vmw_synccpu_read: Sync for read. If sync is done for read only, it's a
1024 * hint to the kernel to allow command submissions that references the buffer
1026 * @drm_vmw_synccpu_write: Sync for write. Block all command submissions
1027 * referencing this buffer.
1028 * @drm_vmw_synccpu_dontblock: Dont wait for GPU idle, but rather return
1029 * -EBUSY should the buffer be busy.
1030 * @drm_vmw_synccpu_allow_cs: Allow command submission that touches the buffer
1031 * while the buffer is synced for CPU. This is similar to the GEM bo idle
1034 enum drm_vmw_synccpu_flags {
1035 drm_vmw_synccpu_read = (1 << 0),
1036 drm_vmw_synccpu_write = (1 << 1),
1037 drm_vmw_synccpu_dontblock = (1 << 2),
1038 drm_vmw_synccpu_allow_cs = (1 << 3)
1042 * enum drm_vmw_synccpu_op - Synccpu operations:
1044 * @drm_vmw_synccpu_grab: Grab the buffer for CPU operations
1045 * @drm_vmw_synccpu_release: Release a previous grab.
1047 enum drm_vmw_synccpu_op {
1048 drm_vmw_synccpu_grab,
1049 drm_vmw_synccpu_release
1053 * struct drm_vmw_synccpu_arg
1055 * @op: The synccpu operation as described above.
1056 * @handle: Handle identifying the buffer object.
1057 * @flags: Flags as described above.
1059 struct drm_vmw_synccpu_arg {
1060 enum drm_vmw_synccpu_op op;
1061 enum drm_vmw_synccpu_flags flags;
1066 /*************************************************************************/
1068 * DRM_VMW_CREATE_EXTENDED_CONTEXT - Create a host context.
1070 * Allocates a device unique context id, and queues a create context command
1071 * for the host. Does not wait for host completion.
1073 enum drm_vmw_extended_context {
1074 drm_vmw_context_legacy,
1079 * union drm_vmw_extended_context_arg
1081 * @req: Context type.
1082 * @rep: Context identifier.
1084 * Argument to the DRM_VMW_CREATE_EXTENDED_CONTEXT Ioctl.
1086 union drm_vmw_extended_context_arg {
1087 enum drm_vmw_extended_context req;
1088 struct drm_vmw_context_arg rep;