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
93 * struct drm_vmw_getparam_arg
95 * @value: Returned value. //Out
96 * @param: Parameter to query. //In.
98 * Argument to the DRM_VMW_GET_PARAM Ioctl.
101 struct drm_vmw_getparam_arg {
107 /*************************************************************************/
109 * DRM_VMW_CREATE_CONTEXT - Create a host context.
111 * Allocates a device unique context id, and queues a create context command
112 * for the host. Does not wait for host completion.
116 * struct drm_vmw_context_arg
118 * @cid: Device unique context ID.
120 * Output argument to the DRM_VMW_CREATE_CONTEXT Ioctl.
121 * Input argument to the DRM_VMW_UNREF_CONTEXT Ioctl.
124 struct drm_vmw_context_arg {
129 /*************************************************************************/
131 * DRM_VMW_UNREF_CONTEXT - Create a host context.
133 * Frees a global context id, and queues a destroy host command for the host.
134 * Does not wait for host completion. The context ID can be used directly
135 * in the command stream and shows up as the same context ID on the host.
138 /*************************************************************************/
140 * DRM_VMW_CREATE_SURFACE - Create a host suface.
142 * Allocates a device unique surface id, and queues a create surface command
143 * for the host. Does not wait for host completion. The surface ID can be
144 * used directly in the command stream and shows up as the same surface
149 * struct drm_wmv_surface_create_req
151 * @flags: Surface flags as understood by the host.
152 * @format: Surface format as understood by the host.
153 * @mip_levels: Number of mip levels for each face.
154 * An unused face should have 0 encoded.
155 * @size_addr: Address of a user-space array of sruct drm_vmw_size
156 * cast to an uint64_t for 32-64 bit compatibility.
157 * The size of the array should equal the total number of mipmap levels.
158 * @shareable: Boolean whether other clients (as identified by file descriptors)
159 * may reference this surface.
160 * @scanout: Boolean whether the surface is intended to be used as a
163 * Input data to the DRM_VMW_CREATE_SURFACE Ioctl.
164 * Output data from the DRM_VMW_REF_SURFACE Ioctl.
167 struct drm_vmw_surface_create_req {
170 uint32_t mip_levels[DRM_VMW_MAX_SURFACE_FACES];
177 * struct drm_wmv_surface_arg
179 * @sid: Surface id of created surface or surface to destroy or reference.
181 * Output data from the DRM_VMW_CREATE_SURFACE Ioctl.
182 * Input argument to the DRM_VMW_UNREF_SURFACE Ioctl.
183 * Input argument to the DRM_VMW_REF_SURFACE Ioctl.
186 struct drm_vmw_surface_arg {
192 * struct drm_vmw_size ioctl.
194 * @width - mip level width
195 * @height - mip level height
196 * @depth - mip level depth
198 * Description of a mip level.
199 * Input data to the DRM_WMW_CREATE_SURFACE Ioctl.
202 struct drm_vmw_size {
210 * union drm_vmw_surface_create_arg
212 * @rep: Output data as described above.
213 * @req: Input data as described above.
215 * Argument to the DRM_VMW_CREATE_SURFACE Ioctl.
218 union drm_vmw_surface_create_arg {
219 struct drm_vmw_surface_arg rep;
220 struct drm_vmw_surface_create_req req;
223 /*************************************************************************/
225 * DRM_VMW_REF_SURFACE - Reference a host surface.
227 * Puts a reference on a host surface with a give sid, as previously
228 * returned by the DRM_VMW_CREATE_SURFACE ioctl.
229 * A reference will make sure the surface isn't destroyed while we hold
230 * it and will allow the calling client to use the surface ID in the command
233 * On successful return, the Ioctl returns the surface information given
234 * in the DRM_VMW_CREATE_SURFACE ioctl.
238 * union drm_vmw_surface_reference_arg
240 * @rep: Output data as described above.
241 * @req: Input data as described above.
243 * Argument to the DRM_VMW_REF_SURFACE Ioctl.
246 union drm_vmw_surface_reference_arg {
247 struct drm_vmw_surface_create_req rep;
248 struct drm_vmw_surface_arg req;
251 /*************************************************************************/
253 * DRM_VMW_UNREF_SURFACE - Unreference a host surface.
255 * Clear a reference previously put on a host surface.
256 * When all references are gone, including the one implicitly placed
258 * a destroy surface command will be queued for the host.
259 * Does not wait for completion.
262 /*************************************************************************/
266 * Submit a command buffer for execution on the host, and return a
267 * fence seqno that when signaled, indicates that the command buffer has
272 * struct drm_vmw_execbuf_arg
274 * @commands: User-space address of a command buffer cast to an uint64_t.
275 * @command-size: Size in bytes of the command buffer.
276 * @throttle-us: Sleep until software is less than @throttle_us
277 * microseconds ahead of hardware. The driver may round this value
278 * to the nearest kernel tick.
279 * @fence_rep: User-space address of a struct drm_vmw_fence_rep cast to an
281 * @version: Allows expanding the execbuf ioctl parameters without breaking
282 * backwards compatibility, since user-space will always tell the kernel
283 * which version it uses.
284 * @flags: Execbuf flags. None currently.
286 * Argument to the DRM_VMW_EXECBUF Ioctl.
289 #define DRM_VMW_EXECBUF_VERSION 1
291 struct drm_vmw_execbuf_arg {
293 uint32_t command_size;
294 uint32_t throttle_us;
301 * struct drm_vmw_fence_rep
303 * @handle: Fence object handle for fence associated with a command submission.
304 * @mask: Fence flags relevant for this fence object.
305 * @seqno: Fence sequence number in fifo. A fence object with a lower
306 * seqno will signal the EXEC flag before a fence object with a higher
307 * seqno. This can be used by user-space to avoid kernel calls to determine
308 * whether a fence has signaled the EXEC flag. Note that @seqno will
310 * @passed_seqno: The highest seqno number processed by the hardware
311 * so far. This can be used to mark user-space fence objects as signaled, and
312 * to determine whether a fence seqno might be stale.
313 * @error: This member should've been set to -EFAULT on submission.
314 * The following actions should be take on completion:
315 * error == -EFAULT: Fence communication failed. The host is synchronized.
316 * Use the last fence id read from the FIFO fence register.
317 * error != 0 && error != -EFAULT:
318 * Fence submission failed. The host is synchronized. Use the fence_seq member.
319 * error == 0: All is OK, The host may not be synchronized.
320 * Use the fence_seq member.
322 * Input / Output data to the DRM_VMW_EXECBUF Ioctl.
325 struct drm_vmw_fence_rep {
329 uint32_t passed_seqno;
334 /*************************************************************************/
336 * DRM_VMW_ALLOC_DMABUF
338 * Allocate a DMA buffer that is visible also to the host.
339 * NOTE: The buffer is
340 * identified by a handle and an offset, which are private to the guest, but
341 * useable in the command stream. The guest kernel may translate these
342 * and patch up the command stream accordingly. In the future, the offset may
343 * be zero at all times, or it may disappear from the interface before it is
346 * The DMA buffer may stay user-space mapped in the guest at all times,
347 * and is thus suitable for sub-allocation.
349 * DMA buffers are mapped using the mmap() syscall on the drm device.
353 * struct drm_vmw_alloc_dmabuf_req
355 * @size: Required minimum size of the buffer.
357 * Input data to the DRM_VMW_ALLOC_DMABUF Ioctl.
360 struct drm_vmw_alloc_dmabuf_req {
366 * struct drm_vmw_dmabuf_rep
368 * @map_handle: Offset to use in the mmap() call used to map the buffer.
369 * @handle: Handle unique to this buffer. Used for unreferencing.
370 * @cur_gmr_id: GMR id to use in the command stream when this buffer is
371 * referenced. See not above.
372 * @cur_gmr_offset: Offset to use in the command stream when this buffer is
373 * referenced. See note above.
375 * Output data from the DRM_VMW_ALLOC_DMABUF Ioctl.
378 struct drm_vmw_dmabuf_rep {
382 uint32_t cur_gmr_offset;
387 * union drm_vmw_dmabuf_arg
389 * @req: Input data as described above.
390 * @rep: Output data as described above.
392 * Argument to the DRM_VMW_ALLOC_DMABUF Ioctl.
395 union drm_vmw_alloc_dmabuf_arg {
396 struct drm_vmw_alloc_dmabuf_req req;
397 struct drm_vmw_dmabuf_rep rep;
400 /*************************************************************************/
402 * DRM_VMW_UNREF_DMABUF - Free a DMA buffer.
407 * struct drm_vmw_unref_dmabuf_arg
409 * @handle: Handle indicating what buffer to free. Obtained from the
410 * DRM_VMW_ALLOC_DMABUF Ioctl.
412 * Argument to the DRM_VMW_UNREF_DMABUF Ioctl.
415 struct drm_vmw_unref_dmabuf_arg {
420 /*************************************************************************/
422 * DRM_VMW_CONTROL_STREAM - Control overlays, aka streams.
424 * This IOCTL controls the overlay units of the svga device.
425 * The SVGA overlay units does not work like regular hardware units in
426 * that they do not automaticaly read back the contents of the given dma
427 * buffer. But instead only read back for each call to this ioctl, and
428 * at any point between this call being made and a following call that
429 * either changes the buffer or disables the stream.
433 * struct drm_vmw_rect
435 * Defines a rectangle. Used in the overlay ioctl to define
436 * source and destination rectangle.
439 struct drm_vmw_rect {
447 * struct drm_vmw_control_stream_arg
449 * @stream_id: Stearm to control
450 * @enabled: If false all following arguments are ignored.
451 * @handle: Handle to buffer for getting data from.
452 * @format: Format of the overlay as understood by the host.
453 * @width: Width of the overlay.
454 * @height: Height of the overlay.
455 * @size: Size of the overlay in bytes.
456 * @pitch: Array of pitches, the two last are only used for YUV12 formats.
457 * @offset: Offset from start of dma buffer to overlay.
458 * @src: Source rect, must be within the defined area above.
459 * @dst: Destination rect, x and y may be negative.
461 * Argument to the DRM_VMW_CONTROL_STREAM Ioctl.
464 struct drm_vmw_control_stream_arg {
480 struct drm_vmw_rect src;
481 struct drm_vmw_rect dst;
484 /*************************************************************************/
486 * DRM_VMW_CURSOR_BYPASS - Give extra information about cursor bypass.
490 #define DRM_VMW_CURSOR_BYPASS_ALL (1 << 0)
491 #define DRM_VMW_CURSOR_BYPASS_FLAGS (1)
494 * struct drm_vmw_cursor_bypass_arg
497 * @crtc_id: Crtc id, only used if DMR_CURSOR_BYPASS_ALL isn't passed.
498 * @xpos: X position of cursor.
499 * @ypos: Y position of cursor.
503 * Argument to the DRM_VMW_CURSOR_BYPASS Ioctl.
506 struct drm_vmw_cursor_bypass_arg {
515 /*************************************************************************/
517 * DRM_VMW_CLAIM_STREAM - Claim a single stream.
521 * struct drm_vmw_context_arg
523 * @stream_id: Device unique context ID.
525 * Output argument to the DRM_VMW_CREATE_CONTEXT Ioctl.
526 * Input argument to the DRM_VMW_UNREF_CONTEXT Ioctl.
529 struct drm_vmw_stream_arg {
534 /*************************************************************************/
536 * DRM_VMW_UNREF_STREAM - Unclaim a stream.
538 * Return a single stream that was claimed by this process. Also makes
539 * sure that the stream has been stopped.
542 /*************************************************************************/
546 * Read 3D capabilities from the FIFO
551 * struct drm_vmw_get_3d_cap_arg
553 * @buffer: Pointer to a buffer for capability data, cast to an uint64_t
554 * @size: Max size to copy
556 * Input argument to the DRM_VMW_GET_3D_CAP_IOCTL
560 struct drm_vmw_get_3d_cap_arg {
566 /*************************************************************************/
570 * Waits for a fence object to signal. The wait is interruptible, so that
571 * signals may be delivered during the interrupt. The wait may timeout,
572 * in which case the calls returns -EBUSY. If the wait is restarted,
573 * that is restarting without resetting @cookie_valid to zero,
574 * the timeout is computed from the first call.
576 * The flags argument to the DRM_VMW_FENCE_WAIT ioctl indicates what to wait
578 * DRM_VMW_FENCE_FLAG_EXEC: All commands ahead of the fence in the command
581 * DRM_VMW_FENCE_FLAG_QUERY: All query results resulting from query finish
583 * in the buffer given to the EXECBUF ioctl returning the fence object handle
584 * are available to user-space.
586 * DRM_VMW_WAIT_OPTION_UNREF: If this wait option is given, and the
587 * fenc wait ioctl returns 0, the fence object has been unreferenced after
591 #define DRM_VMW_FENCE_FLAG_EXEC (1 << 0)
592 #define DRM_VMW_FENCE_FLAG_QUERY (1 << 1)
594 #define DRM_VMW_WAIT_OPTION_UNREF (1 << 0)
597 * struct drm_vmw_fence_wait_arg
599 * @handle: Fence object handle as returned by the DRM_VMW_EXECBUF ioctl.
600 * @cookie_valid: Must be reset to 0 on first call. Left alone on restart.
601 * @kernel_cookie: Set to 0 on first call. Left alone on restart.
602 * @timeout_us: Wait timeout in microseconds. 0 for indefinite timeout.
603 * @lazy: Set to 1 if timing is not critical. Allow more than a kernel tick
605 * @flags: Fence flags to wait on.
606 * @wait_options: Options that control the behaviour of the wait ioctl.
608 * Input argument to the DRM_VMW_FENCE_WAIT ioctl.
611 struct drm_vmw_fence_wait_arg {
613 int32_t cookie_valid;
614 uint64_t kernel_cookie;
618 int32_t wait_options;
622 /*************************************************************************/
624 * DRM_VMW_FENCE_SIGNALED
626 * Checks if a fence object is signaled..
630 * struct drm_vmw_fence_signaled_arg
632 * @handle: Fence object handle as returned by the DRM_VMW_EXECBUF ioctl.
633 * @flags: Fence object flags input to DRM_VMW_FENCE_SIGNALED ioctl
634 * @signaled: Out: Flags signaled.
635 * @sequence: Out: Highest sequence passed so far. Can be used to signal the
636 * EXEC flag of user-space fence objects.
638 * Input/Output argument to the DRM_VMW_FENCE_SIGNALED and DRM_VMW_FENCE_UNREF
642 struct drm_vmw_fence_signaled_arg {
646 uint32_t passed_seqno;
647 uint32_t signaled_flags;
651 /*************************************************************************/
653 * DRM_VMW_FENCE_UNREF
655 * Unreferences a fence object, and causes it to be destroyed if there are no
656 * other references to it.
661 * struct drm_vmw_fence_arg
663 * @handle: Fence object handle as returned by the DRM_VMW_EXECBUF ioctl.
665 * Input/Output argument to the DRM_VMW_FENCE_UNREF ioctl..
668 struct drm_vmw_fence_arg {
674 /*************************************************************************/
676 * DRM_VMW_FENCE_EVENT
678 * Queues an event on a fence to be delivered on the drm character device
679 * when the fence has signaled the DRM_VMW_FENCE_FLAG_EXEC flag.
680 * Optionally the approximate time when the fence signaled is
681 * given by the event.
687 #define DRM_VMW_EVENT_FENCE_SIGNALED 0x80000000
689 struct drm_vmw_event_fence {
690 struct drm_event base;
697 * Flags that may be given to the command.
699 /* Request fence signaled time on the event. */
700 #define DRM_VMW_FE_FLAG_REQ_TIME (1 << 0)
703 * struct drm_vmw_fence_event_arg
705 * @fence_rep: Pointer to fence_rep structure cast to uint64_t or 0 if
706 * the fence is not supposed to be referenced by user-space.
707 * @user_info: Info to be delivered with the event.
708 * @handle: Attach the event to this fence only.
709 * @flags: A set of flags as defined above.
711 struct drm_vmw_fence_event_arg {
719 /*************************************************************************/
723 * Executes an SVGA present on a given fb for a given surface. The surface
724 * is placed on the framebuffer. Cliprects are given relative to the given
725 * point (the point disignated by dest_{x|y}).
730 * struct drm_vmw_present_arg
731 * @fb_id: framebuffer id to present / read back from.
732 * @sid: Surface id to present from.
733 * @dest_x: X placement coordinate for surface.
734 * @dest_y: Y placement coordinate for surface.
735 * @clips_ptr: Pointer to an array of clip rects cast to an uint64_t.
736 * @num_clips: Number of cliprects given relative to the framebuffer origin,
737 * in the same coordinate space as the frame buffer.
738 * @pad64: Unused 64-bit padding.
740 * Input argument to the DRM_VMW_PRESENT ioctl.
743 struct drm_vmw_present_arg {
754 /*************************************************************************/
756 * DRM_VMW_PRESENT_READBACK
758 * Executes an SVGA present readback from a given fb to the dma buffer
759 * currently bound as the fb. If there is no dma buffer bound to the fb,
760 * an error will be returned.
765 * struct drm_vmw_present_arg
766 * @fb_id: fb_id to present / read back from.
767 * @num_clips: Number of cliprects.
768 * @clips_ptr: Pointer to an array of clip rects cast to an uint64_t.
769 * @fence_rep: Pointer to a struct drm_vmw_fence_rep, cast to an uint64_t.
770 * If this member is NULL, then the ioctl should not return a fence.
773 struct drm_vmw_present_readback_arg {
780 /*************************************************************************/
782 * DRM_VMW_UPDATE_LAYOUT - Update layout
784 * Updates the preferred modes and connection status for connectors. The
785 * command consists of one drm_vmw_update_layout_arg pointing to an array
786 * of num_outputs drm_vmw_rect's.
790 * struct drm_vmw_update_layout_arg
792 * @num_outputs: number of active connectors
793 * @rects: pointer to array of drm_vmw_rect cast to an uint64_t
795 * Input argument to the DRM_VMW_UPDATE_LAYOUT Ioctl.
797 struct drm_vmw_update_layout_arg {
798 uint32_t num_outputs;
804 /*************************************************************************/
806 * DRM_VMW_CREATE_SHADER - Create shader
808 * Creates a shader and optionally binds it to a dma buffer containing
809 * the shader byte-code.
813 * enum drm_vmw_shader_type - Shader types
815 enum drm_vmw_shader_type {
816 drm_vmw_shader_type_vs = 0,
817 drm_vmw_shader_type_ps,
818 drm_vmw_shader_type_gs
823 * struct drm_vmw_shader_create_arg
825 * @shader_type: Shader type of the shader to create.
826 * @size: Size of the byte-code in bytes.
827 * where the shader byte-code starts
828 * @buffer_handle: Buffer handle identifying the buffer containing the
830 * @shader_handle: On successful completion contains a handle that
831 * can be used to subsequently identify the shader.
832 * @offset: Offset in bytes into the buffer given by @buffer_handle,
834 * Input / Output argument to the DRM_VMW_CREATE_SHADER Ioctl.
836 struct drm_vmw_shader_create_arg {
837 enum drm_vmw_shader_type shader_type;
839 uint32_t buffer_handle;
840 uint32_t shader_handle;
844 /*************************************************************************/
846 * DRM_VMW_UNREF_SHADER - Unreferences a shader
848 * Destroys a user-space reference to a shader, optionally destroying
853 * struct drm_vmw_shader_arg
855 * @handle: Handle identifying the shader to destroy.
857 * Input argument to the DRM_VMW_UNREF_SHADER ioctl.
859 struct drm_vmw_shader_arg {
864 /*************************************************************************/
866 * DRM_VMW_GB_SURFACE_CREATE - Create a host guest-backed surface.
868 * Allocates a surface handle and queues a create surface command
869 * for the host on the first use of the surface. The surface ID can
870 * be used as the surface ID in commands referencing the surface.
874 * enum drm_vmw_surface_flags
876 * @drm_vmw_surface_flag_shareable: Whether the surface is shareable
877 * @drm_vmw_surface_flag_scanout: Whether the surface is a scanout
879 * @drm_vmw_surface_flag_create_buffer: Create a backup buffer if none is
882 enum drm_vmw_surface_flags {
883 drm_vmw_surface_flag_shareable = (1 << 0),
884 drm_vmw_surface_flag_scanout = (1 << 1),
885 drm_vmw_surface_flag_create_buffer = (1 << 2)
889 * struct drm_vmw_gb_surface_create_req
891 * @svga3d_flags: SVGA3d surface flags for the device.
892 * @format: SVGA3d format.
893 * @mip_level: Number of mip levels for all faces.
894 * @drm_surface_flags Flags as described above.
895 * @multisample_count Future use. Set to 0.
896 * @autogen_filter Future use. Set to 0.
897 * @buffer_handle Buffer handle of backup buffer. SVGA3D_INVALID_ID
899 * @base_size Size of the base mip level for all faces.
901 * Input argument to the DRM_VMW_GB_SURFACE_CREATE Ioctl.
902 * Part of output argument for the DRM_VMW_GB_SURFACE_REF Ioctl.
904 struct drm_vmw_gb_surface_create_req {
905 uint32_t svga3d_flags;
908 enum drm_vmw_surface_flags drm_surface_flags;
909 uint32_t multisample_count;
910 uint32_t autogen_filter;
911 uint32_t buffer_handle;
913 struct drm_vmw_size base_size;
917 * struct drm_vmw_gb_surface_create_rep
919 * @handle: Surface handle.
920 * @backup_size: Size of backup buffers for this surface.
921 * @buffer_handle: Handle of backup buffer. SVGA3D_INVALID_ID if none.
922 * @buffer_size: Actual size of the buffer identified by
924 * @buffer_map_handle: Offset into device address space for the buffer
925 * identified by @buffer_handle.
927 * Part of output argument for the DRM_VMW_GB_SURFACE_REF ioctl.
928 * Output argument for the DRM_VMW_GB_SURFACE_CREATE ioctl.
930 struct drm_vmw_gb_surface_create_rep {
932 uint32_t backup_size;
933 uint32_t buffer_handle;
934 uint32_t buffer_size;
935 uint64_t buffer_map_handle;
939 * union drm_vmw_gb_surface_create_arg
941 * @req: Input argument as described above.
942 * @rep: Output argument as described above.
944 * Argument to the DRM_VMW_GB_SURFACE_CREATE ioctl.
946 union drm_vmw_gb_surface_create_arg {
947 struct drm_vmw_gb_surface_create_rep rep;
948 struct drm_vmw_gb_surface_create_req req;
951 /*************************************************************************/
953 * DRM_VMW_GB_SURFACE_REF - Reference a host surface.
955 * Puts a reference on a host surface with a given handle, as previously
956 * returned by the DRM_VMW_GB_SURFACE_CREATE ioctl.
957 * A reference will make sure the surface isn't destroyed while we hold
958 * it and will allow the calling client to use the surface handle in
959 * the command stream.
961 * On successful return, the Ioctl returns the surface information given
962 * to and returned from the DRM_VMW_GB_SURFACE_CREATE ioctl.
966 * struct drm_vmw_gb_surface_reference_arg
968 * @creq: The data used as input when the surface was created, as described
969 * above at "struct drm_vmw_gb_surface_create_req"
970 * @crep: Additional data output when the surface was created, as described
971 * above at "struct drm_vmw_gb_surface_create_rep"
973 * Output Argument to the DRM_VMW_GB_SURFACE_REF ioctl.
975 struct drm_vmw_gb_surface_ref_rep {
976 struct drm_vmw_gb_surface_create_req creq;
977 struct drm_vmw_gb_surface_create_rep crep;
981 * union drm_vmw_gb_surface_reference_arg
983 * @req: Input data as described above at "struct drm_vmw_surface_arg"
984 * @rep: Output data as described above at "struct drm_vmw_gb_surface_ref_rep"
986 * Argument to the DRM_VMW_GB_SURFACE_REF Ioctl.
988 union drm_vmw_gb_surface_reference_arg {
989 struct drm_vmw_gb_surface_ref_rep rep;
990 struct drm_vmw_surface_arg req;
994 /*************************************************************************/
996 * DRM_VMW_SYNCCPU - Sync a DMA buffer / MOB for CPU access.
998 * Idles any previously submitted GPU operations on the buffer and
999 * by default blocks command submissions that reference the buffer.
1000 * If the file descriptor used to grab a blocking CPU sync is closed, the
1001 * cpu sync is released.
1002 * The flags argument indicates how the grab / release operation should be
1007 * enum drm_vmw_synccpu_flags - Synccpu flags:
1009 * @drm_vmw_synccpu_read: Sync for read. If sync is done for read only, it's a
1010 * hint to the kernel to allow command submissions that references the buffer
1012 * @drm_vmw_synccpu_write: Sync for write. Block all command submissions
1013 * referencing this buffer.
1014 * @drm_vmw_synccpu_dontblock: Dont wait for GPU idle, but rather return
1015 * -EBUSY should the buffer be busy.
1016 * @drm_vmw_synccpu_allow_cs: Allow command submission that touches the buffer
1017 * while the buffer is synced for CPU. This is similar to the GEM bo idle
1020 enum drm_vmw_synccpu_flags {
1021 drm_vmw_synccpu_read = (1 << 0),
1022 drm_vmw_synccpu_write = (1 << 1),
1023 drm_vmw_synccpu_dontblock = (1 << 2),
1024 drm_vmw_synccpu_allow_cs = (1 << 3)
1028 * enum drm_vmw_synccpu_op - Synccpu operations:
1030 * @drm_vmw_synccpu_grab: Grab the buffer for CPU operations
1031 * @drm_vmw_synccpu_release: Release a previous grab.
1033 enum drm_vmw_synccpu_op {
1034 drm_vmw_synccpu_grab,
1035 drm_vmw_synccpu_release
1039 * struct drm_vmw_synccpu_arg
1041 * @op: The synccpu operation as described above.
1042 * @handle: Handle identifying the buffer object.
1043 * @flags: Flags as described above.
1045 struct drm_vmw_synccpu_arg {
1046 enum drm_vmw_synccpu_op op;
1047 enum drm_vmw_synccpu_flags flags;