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
91 * struct drm_vmw_getparam_arg
93 * @value: Returned value. //Out
94 * @param: Parameter to query. //In.
96 * Argument to the DRM_VMW_GET_PARAM Ioctl.
99 struct drm_vmw_getparam_arg {
105 /*************************************************************************/
107 * DRM_VMW_CREATE_CONTEXT - Create a host context.
109 * Allocates a device unique context id, and queues a create context command
110 * for the host. Does not wait for host completion.
114 * struct drm_vmw_context_arg
116 * @cid: Device unique context ID.
118 * Output argument to the DRM_VMW_CREATE_CONTEXT Ioctl.
119 * Input argument to the DRM_VMW_UNREF_CONTEXT Ioctl.
122 struct drm_vmw_context_arg {
127 /*************************************************************************/
129 * DRM_VMW_UNREF_CONTEXT - Create a host context.
131 * Frees a global context id, and queues a destroy host command for the host.
132 * Does not wait for host completion. The context ID can be used directly
133 * in the command stream and shows up as the same context ID on the host.
136 /*************************************************************************/
138 * DRM_VMW_CREATE_SURFACE - Create a host suface.
140 * Allocates a device unique surface id, and queues a create surface command
141 * for the host. Does not wait for host completion. The surface ID can be
142 * used directly in the command stream and shows up as the same surface
147 * struct drm_wmv_surface_create_req
149 * @flags: Surface flags as understood by the host.
150 * @format: Surface format as understood by the host.
151 * @mip_levels: Number of mip levels for each face.
152 * An unused face should have 0 encoded.
153 * @size_addr: Address of a user-space array of sruct drm_vmw_size
154 * cast to an uint64_t for 32-64 bit compatibility.
155 * The size of the array should equal the total number of mipmap levels.
156 * @shareable: Boolean whether other clients (as identified by file descriptors)
157 * may reference this surface.
158 * @scanout: Boolean whether the surface is intended to be used as a
161 * Input data to the DRM_VMW_CREATE_SURFACE Ioctl.
162 * Output data from the DRM_VMW_REF_SURFACE Ioctl.
165 struct drm_vmw_surface_create_req {
168 uint32_t mip_levels[DRM_VMW_MAX_SURFACE_FACES];
175 * struct drm_wmv_surface_arg
177 * @sid: Surface id of created surface or surface to destroy or reference.
179 * Output data from the DRM_VMW_CREATE_SURFACE Ioctl.
180 * Input argument to the DRM_VMW_UNREF_SURFACE Ioctl.
181 * Input argument to the DRM_VMW_REF_SURFACE Ioctl.
184 struct drm_vmw_surface_arg {
190 * struct drm_vmw_size ioctl.
192 * @width - mip level width
193 * @height - mip level height
194 * @depth - mip level depth
196 * Description of a mip level.
197 * Input data to the DRM_WMW_CREATE_SURFACE Ioctl.
200 struct drm_vmw_size {
208 * union drm_vmw_surface_create_arg
210 * @rep: Output data as described above.
211 * @req: Input data as described above.
213 * Argument to the DRM_VMW_CREATE_SURFACE Ioctl.
216 union drm_vmw_surface_create_arg {
217 struct drm_vmw_surface_arg rep;
218 struct drm_vmw_surface_create_req req;
221 /*************************************************************************/
223 * DRM_VMW_REF_SURFACE - Reference a host surface.
225 * Puts a reference on a host surface with a give sid, as previously
226 * returned by the DRM_VMW_CREATE_SURFACE ioctl.
227 * A reference will make sure the surface isn't destroyed while we hold
228 * it and will allow the calling client to use the surface ID in the command
231 * On successful return, the Ioctl returns the surface information given
232 * in the DRM_VMW_CREATE_SURFACE ioctl.
236 * union drm_vmw_surface_reference_arg
238 * @rep: Output data as described above.
239 * @req: Input data as described above.
241 * Argument to the DRM_VMW_REF_SURFACE Ioctl.
244 union drm_vmw_surface_reference_arg {
245 struct drm_vmw_surface_create_req rep;
246 struct drm_vmw_surface_arg req;
249 /*************************************************************************/
251 * DRM_VMW_UNREF_SURFACE - Unreference a host surface.
253 * Clear a reference previously put on a host surface.
254 * When all references are gone, including the one implicitly placed
256 * a destroy surface command will be queued for the host.
257 * Does not wait for completion.
260 /*************************************************************************/
264 * Submit a command buffer for execution on the host, and return a
265 * fence seqno that when signaled, indicates that the command buffer has
270 * struct drm_vmw_execbuf_arg
272 * @commands: User-space address of a command buffer cast to an uint64_t.
273 * @command-size: Size in bytes of the command buffer.
274 * @throttle-us: Sleep until software is less than @throttle_us
275 * microseconds ahead of hardware. The driver may round this value
276 * to the nearest kernel tick.
277 * @fence_rep: User-space address of a struct drm_vmw_fence_rep cast to an
279 * @version: Allows expanding the execbuf ioctl parameters without breaking
280 * backwards compatibility, since user-space will always tell the kernel
281 * which version it uses.
282 * @flags: Execbuf flags. None currently.
284 * Argument to the DRM_VMW_EXECBUF Ioctl.
287 #define DRM_VMW_EXECBUF_VERSION 1
289 struct drm_vmw_execbuf_arg {
291 uint32_t command_size;
292 uint32_t throttle_us;
299 * struct drm_vmw_fence_rep
301 * @handle: Fence object handle for fence associated with a command submission.
302 * @mask: Fence flags relevant for this fence object.
303 * @seqno: Fence sequence number in fifo. A fence object with a lower
304 * seqno will signal the EXEC flag before a fence object with a higher
305 * seqno. This can be used by user-space to avoid kernel calls to determine
306 * whether a fence has signaled the EXEC flag. Note that @seqno will
308 * @passed_seqno: The highest seqno number processed by the hardware
309 * so far. This can be used to mark user-space fence objects as signaled, and
310 * to determine whether a fence seqno might be stale.
311 * @error: This member should've been set to -EFAULT on submission.
312 * The following actions should be take on completion:
313 * error == -EFAULT: Fence communication failed. The host is synchronized.
314 * Use the last fence id read from the FIFO fence register.
315 * error != 0 && error != -EFAULT:
316 * Fence submission failed. The host is synchronized. Use the fence_seq member.
317 * error == 0: All is OK, The host may not be synchronized.
318 * Use the fence_seq member.
320 * Input / Output data to the DRM_VMW_EXECBUF Ioctl.
323 struct drm_vmw_fence_rep {
327 uint32_t passed_seqno;
332 /*************************************************************************/
334 * DRM_VMW_ALLOC_DMABUF
336 * Allocate a DMA buffer that is visible also to the host.
337 * NOTE: The buffer is
338 * identified by a handle and an offset, which are private to the guest, but
339 * useable in the command stream. The guest kernel may translate these
340 * and patch up the command stream accordingly. In the future, the offset may
341 * be zero at all times, or it may disappear from the interface before it is
344 * The DMA buffer may stay user-space mapped in the guest at all times,
345 * and is thus suitable for sub-allocation.
347 * DMA buffers are mapped using the mmap() syscall on the drm device.
351 * struct drm_vmw_alloc_dmabuf_req
353 * @size: Required minimum size of the buffer.
355 * Input data to the DRM_VMW_ALLOC_DMABUF Ioctl.
358 struct drm_vmw_alloc_dmabuf_req {
364 * struct drm_vmw_dmabuf_rep
366 * @map_handle: Offset to use in the mmap() call used to map the buffer.
367 * @handle: Handle unique to this buffer. Used for unreferencing.
368 * @cur_gmr_id: GMR id to use in the command stream when this buffer is
369 * referenced. See not above.
370 * @cur_gmr_offset: Offset to use in the command stream when this buffer is
371 * referenced. See note above.
373 * Output data from the DRM_VMW_ALLOC_DMABUF Ioctl.
376 struct drm_vmw_dmabuf_rep {
380 uint32_t cur_gmr_offset;
385 * union drm_vmw_dmabuf_arg
387 * @req: Input data as described above.
388 * @rep: Output data as described above.
390 * Argument to the DRM_VMW_ALLOC_DMABUF Ioctl.
393 union drm_vmw_alloc_dmabuf_arg {
394 struct drm_vmw_alloc_dmabuf_req req;
395 struct drm_vmw_dmabuf_rep rep;
398 /*************************************************************************/
400 * DRM_VMW_UNREF_DMABUF - Free a DMA buffer.
405 * struct drm_vmw_unref_dmabuf_arg
407 * @handle: Handle indicating what buffer to free. Obtained from the
408 * DRM_VMW_ALLOC_DMABUF Ioctl.
410 * Argument to the DRM_VMW_UNREF_DMABUF Ioctl.
413 struct drm_vmw_unref_dmabuf_arg {
418 /*************************************************************************/
420 * DRM_VMW_CONTROL_STREAM - Control overlays, aka streams.
422 * This IOCTL controls the overlay units of the svga device.
423 * The SVGA overlay units does not work like regular hardware units in
424 * that they do not automaticaly read back the contents of the given dma
425 * buffer. But instead only read back for each call to this ioctl, and
426 * at any point between this call being made and a following call that
427 * either changes the buffer or disables the stream.
431 * struct drm_vmw_rect
433 * Defines a rectangle. Used in the overlay ioctl to define
434 * source and destination rectangle.
437 struct drm_vmw_rect {
445 * struct drm_vmw_control_stream_arg
447 * @stream_id: Stearm to control
448 * @enabled: If false all following arguments are ignored.
449 * @handle: Handle to buffer for getting data from.
450 * @format: Format of the overlay as understood by the host.
451 * @width: Width of the overlay.
452 * @height: Height of the overlay.
453 * @size: Size of the overlay in bytes.
454 * @pitch: Array of pitches, the two last are only used for YUV12 formats.
455 * @offset: Offset from start of dma buffer to overlay.
456 * @src: Source rect, must be within the defined area above.
457 * @dst: Destination rect, x and y may be negative.
459 * Argument to the DRM_VMW_CONTROL_STREAM Ioctl.
462 struct drm_vmw_control_stream_arg {
478 struct drm_vmw_rect src;
479 struct drm_vmw_rect dst;
482 /*************************************************************************/
484 * DRM_VMW_CURSOR_BYPASS - Give extra information about cursor bypass.
488 #define DRM_VMW_CURSOR_BYPASS_ALL (1 << 0)
489 #define DRM_VMW_CURSOR_BYPASS_FLAGS (1)
492 * struct drm_vmw_cursor_bypass_arg
495 * @crtc_id: Crtc id, only used if DMR_CURSOR_BYPASS_ALL isn't passed.
496 * @xpos: X position of cursor.
497 * @ypos: Y position of cursor.
501 * Argument to the DRM_VMW_CURSOR_BYPASS Ioctl.
504 struct drm_vmw_cursor_bypass_arg {
513 /*************************************************************************/
515 * DRM_VMW_CLAIM_STREAM - Claim a single stream.
519 * struct drm_vmw_context_arg
521 * @stream_id: Device unique context ID.
523 * Output argument to the DRM_VMW_CREATE_CONTEXT Ioctl.
524 * Input argument to the DRM_VMW_UNREF_CONTEXT Ioctl.
527 struct drm_vmw_stream_arg {
532 /*************************************************************************/
534 * DRM_VMW_UNREF_STREAM - Unclaim a stream.
536 * Return a single stream that was claimed by this process. Also makes
537 * sure that the stream has been stopped.
540 /*************************************************************************/
544 * Read 3D capabilities from the FIFO
549 * struct drm_vmw_get_3d_cap_arg
551 * @buffer: Pointer to a buffer for capability data, cast to an uint64_t
552 * @size: Max size to copy
554 * Input argument to the DRM_VMW_GET_3D_CAP_IOCTL
558 struct drm_vmw_get_3d_cap_arg {
564 /*************************************************************************/
568 * Waits for a fence object to signal. The wait is interruptible, so that
569 * signals may be delivered during the interrupt. The wait may timeout,
570 * in which case the calls returns -EBUSY. If the wait is restarted,
571 * that is restarting without resetting @cookie_valid to zero,
572 * the timeout is computed from the first call.
574 * The flags argument to the DRM_VMW_FENCE_WAIT ioctl indicates what to wait
576 * DRM_VMW_FENCE_FLAG_EXEC: All commands ahead of the fence in the command
579 * DRM_VMW_FENCE_FLAG_QUERY: All query results resulting from query finish
581 * in the buffer given to the EXECBUF ioctl returning the fence object handle
582 * are available to user-space.
584 * DRM_VMW_WAIT_OPTION_UNREF: If this wait option is given, and the
585 * fenc wait ioctl returns 0, the fence object has been unreferenced after
589 #define DRM_VMW_FENCE_FLAG_EXEC (1 << 0)
590 #define DRM_VMW_FENCE_FLAG_QUERY (1 << 1)
592 #define DRM_VMW_WAIT_OPTION_UNREF (1 << 0)
595 * struct drm_vmw_fence_wait_arg
597 * @handle: Fence object handle as returned by the DRM_VMW_EXECBUF ioctl.
598 * @cookie_valid: Must be reset to 0 on first call. Left alone on restart.
599 * @kernel_cookie: Set to 0 on first call. Left alone on restart.
600 * @timeout_us: Wait timeout in microseconds. 0 for indefinite timeout.
601 * @lazy: Set to 1 if timing is not critical. Allow more than a kernel tick
603 * @flags: Fence flags to wait on.
604 * @wait_options: Options that control the behaviour of the wait ioctl.
606 * Input argument to the DRM_VMW_FENCE_WAIT ioctl.
609 struct drm_vmw_fence_wait_arg {
611 int32_t cookie_valid;
612 uint64_t kernel_cookie;
616 int32_t wait_options;
620 /*************************************************************************/
622 * DRM_VMW_FENCE_SIGNALED
624 * Checks if a fence object is signaled..
628 * struct drm_vmw_fence_signaled_arg
630 * @handle: Fence object handle as returned by the DRM_VMW_EXECBUF ioctl.
631 * @flags: Fence object flags input to DRM_VMW_FENCE_SIGNALED ioctl
632 * @signaled: Out: Flags signaled.
633 * @sequence: Out: Highest sequence passed so far. Can be used to signal the
634 * EXEC flag of user-space fence objects.
636 * Input/Output argument to the DRM_VMW_FENCE_SIGNALED and DRM_VMW_FENCE_UNREF
640 struct drm_vmw_fence_signaled_arg {
644 uint32_t passed_seqno;
645 uint32_t signaled_flags;
649 /*************************************************************************/
651 * DRM_VMW_FENCE_UNREF
653 * Unreferences a fence object, and causes it to be destroyed if there are no
654 * other references to it.
659 * struct drm_vmw_fence_arg
661 * @handle: Fence object handle as returned by the DRM_VMW_EXECBUF ioctl.
663 * Input/Output argument to the DRM_VMW_FENCE_UNREF ioctl..
666 struct drm_vmw_fence_arg {
672 /*************************************************************************/
674 * DRM_VMW_FENCE_EVENT
676 * Queues an event on a fence to be delivered on the drm character device
677 * when the fence has signaled the DRM_VMW_FENCE_FLAG_EXEC flag.
678 * Optionally the approximate time when the fence signaled is
679 * given by the event.
685 #define DRM_VMW_EVENT_FENCE_SIGNALED 0x80000000
687 struct drm_vmw_event_fence {
688 struct drm_event base;
695 * Flags that may be given to the command.
697 /* Request fence signaled time on the event. */
698 #define DRM_VMW_FE_FLAG_REQ_TIME (1 << 0)
701 * struct drm_vmw_fence_event_arg
703 * @fence_rep: Pointer to fence_rep structure cast to uint64_t or 0 if
704 * the fence is not supposed to be referenced by user-space.
705 * @user_info: Info to be delivered with the event.
706 * @handle: Attach the event to this fence only.
707 * @flags: A set of flags as defined above.
709 struct drm_vmw_fence_event_arg {
717 /*************************************************************************/
721 * Executes an SVGA present on a given fb for a given surface. The surface
722 * is placed on the framebuffer. Cliprects are given relative to the given
723 * point (the point disignated by dest_{x|y}).
728 * struct drm_vmw_present_arg
729 * @fb_id: framebuffer id to present / read back from.
730 * @sid: Surface id to present from.
731 * @dest_x: X placement coordinate for surface.
732 * @dest_y: Y placement coordinate for surface.
733 * @clips_ptr: Pointer to an array of clip rects cast to an uint64_t.
734 * @num_clips: Number of cliprects given relative to the framebuffer origin,
735 * in the same coordinate space as the frame buffer.
736 * @pad64: Unused 64-bit padding.
738 * Input argument to the DRM_VMW_PRESENT ioctl.
741 struct drm_vmw_present_arg {
752 /*************************************************************************/
754 * DRM_VMW_PRESENT_READBACK
756 * Executes an SVGA present readback from a given fb to the dma buffer
757 * currently bound as the fb. If there is no dma buffer bound to the fb,
758 * an error will be returned.
763 * struct drm_vmw_present_arg
764 * @fb_id: fb_id to present / read back from.
765 * @num_clips: Number of cliprects.
766 * @clips_ptr: Pointer to an array of clip rects cast to an uint64_t.
767 * @fence_rep: Pointer to a struct drm_vmw_fence_rep, cast to an uint64_t.
768 * If this member is NULL, then the ioctl should not return a fence.
771 struct drm_vmw_present_readback_arg {
778 /*************************************************************************/
780 * DRM_VMW_UPDATE_LAYOUT - Update layout
782 * Updates the preferred modes and connection status for connectors. The
783 * command consists of one drm_vmw_update_layout_arg pointing to an array
784 * of num_outputs drm_vmw_rect's.
788 * struct drm_vmw_update_layout_arg
790 * @num_outputs: number of active connectors
791 * @rects: pointer to array of drm_vmw_rect cast to an uint64_t
793 * Input argument to the DRM_VMW_UPDATE_LAYOUT Ioctl.
795 struct drm_vmw_update_layout_arg {
796 uint32_t num_outputs;
802 /*************************************************************************/
804 * DRM_VMW_CREATE_SHADER - Create shader
806 * Creates a shader and optionally binds it to a dma buffer containing
807 * the shader byte-code.
811 * enum drm_vmw_shader_type - Shader types
813 enum drm_vmw_shader_type {
814 drm_vmw_shader_type_vs = 0,
815 drm_vmw_shader_type_ps,
816 drm_vmw_shader_type_gs
821 * struct drm_vmw_shader_create_arg
823 * @shader_type: Shader type of the shader to create.
824 * @size: Size of the byte-code in bytes.
825 * where the shader byte-code starts
826 * @buffer_handle: Buffer handle identifying the buffer containing the
828 * @shader_handle: On successful completion contains a handle that
829 * can be used to subsequently identify the shader.
830 * @offset: Offset in bytes into the buffer given by @buffer_handle,
832 * Input / Output argument to the DRM_VMW_CREATE_SHADER Ioctl.
834 struct drm_vmw_shader_create_arg {
835 enum drm_vmw_shader_type shader_type;
837 uint32_t buffer_handle;
838 uint32_t shader_handle;
842 /*************************************************************************/
844 * DRM_VMW_UNREF_SHADER - Unreferences a shader
846 * Destroys a user-space reference to a shader, optionally destroying
851 * struct drm_vmw_shader_arg
853 * @handle: Handle identifying the shader to destroy.
855 * Input argument to the DRM_VMW_UNREF_SHADER ioctl.
857 struct drm_vmw_shader_arg {
862 /*************************************************************************/
864 * DRM_VMW_GB_SURFACE_CREATE - Create a host guest-backed surface.
866 * Allocates a surface handle and queues a create surface command
867 * for the host on the first use of the surface. The surface ID can
868 * be used as the surface ID in commands referencing the surface.
872 * enum drm_vmw_surface_flags
874 * @drm_vmw_surface_flag_shareable: Whether the surface is shareable
875 * @drm_vmw_surface_flag_scanout: Whether the surface is a scanout
877 * @drm_vmw_surface_flag_create_buffer: Create a backup buffer if none is
880 enum drm_vmw_surface_flags {
881 drm_vmw_surface_flag_shareable = (1 << 0),
882 drm_vmw_surface_flag_scanout = (1 << 1),
883 drm_vmw_surface_flag_create_buffer = (1 << 2)
887 * struct drm_vmw_gb_surface_create_req
889 * @svga3d_flags: SVGA3d surface flags for the device.
890 * @format: SVGA3d format.
891 * @mip_level: Number of mip levels for all faces.
892 * @drm_surface_flags Flags as described above.
893 * @multisample_count Future use. Set to 0.
894 * @autogen_filter Future use. Set to 0.
895 * @buffer_handle Buffer handle of backup buffer. SVGA3D_INVALID_ID
897 * @base_size Size of the base mip level for all faces.
899 * Input argument to the DRM_VMW_GB_SURFACE_CREATE Ioctl.
900 * Part of output argument for the DRM_VMW_GB_SURFACE_REF Ioctl.
902 struct drm_vmw_gb_surface_create_req {
903 uint32_t svga3d_flags;
906 enum drm_vmw_surface_flags drm_surface_flags;
907 uint32_t multisample_count;
908 uint32_t autogen_filter;
909 uint32_t buffer_handle;
911 struct drm_vmw_size base_size;
915 * struct drm_vmw_gb_surface_create_rep
917 * @handle: Surface handle.
918 * @backup_size: Size of backup buffers for this surface.
919 * @buffer_handle: Handle of backup buffer. SVGA3D_INVALID_ID if none.
920 * @buffer_size: Actual size of the buffer identified by
922 * @buffer_map_handle: Offset into device address space for the buffer
923 * identified by @buffer_handle.
925 * Part of output argument for the DRM_VMW_GB_SURFACE_REF ioctl.
926 * Output argument for the DRM_VMW_GB_SURFACE_CREATE ioctl.
928 struct drm_vmw_gb_surface_create_rep {
930 uint32_t backup_size;
931 uint32_t buffer_handle;
932 uint32_t buffer_size;
933 uint64_t buffer_map_handle;
937 * union drm_vmw_gb_surface_create_arg
939 * @req: Input argument as described above.
940 * @rep: Output argument as described above.
942 * Argument to the DRM_VMW_GB_SURFACE_CREATE ioctl.
944 union drm_vmw_gb_surface_create_arg {
945 struct drm_vmw_gb_surface_create_rep rep;
946 struct drm_vmw_gb_surface_create_req req;
949 /*************************************************************************/
951 * DRM_VMW_GB_SURFACE_REF - Reference a host surface.
953 * Puts a reference on a host surface with a given handle, as previously
954 * returned by the DRM_VMW_GB_SURFACE_CREATE ioctl.
955 * A reference will make sure the surface isn't destroyed while we hold
956 * it and will allow the calling client to use the surface handle in
957 * the command stream.
959 * On successful return, the Ioctl returns the surface information given
960 * to and returned from the DRM_VMW_GB_SURFACE_CREATE ioctl.
964 * struct drm_vmw_gb_surface_reference_arg
966 * @creq: The data used as input when the surface was created, as described
967 * above at "struct drm_vmw_gb_surface_create_req"
968 * @crep: Additional data output when the surface was created, as described
969 * above at "struct drm_vmw_gb_surface_create_rep"
971 * Output Argument to the DRM_VMW_GB_SURFACE_REF ioctl.
973 struct drm_vmw_gb_surface_ref_rep {
974 struct drm_vmw_gb_surface_create_req creq;
975 struct drm_vmw_gb_surface_create_rep crep;
979 * union drm_vmw_gb_surface_reference_arg
981 * @req: Input data as described above at "struct drm_vmw_surface_arg"
982 * @rep: Output data as described above at "struct drm_vmw_gb_surface_ref_rep"
984 * Argument to the DRM_VMW_GB_SURFACE_REF Ioctl.
986 union drm_vmw_gb_surface_reference_arg {
987 struct drm_vmw_gb_surface_ref_rep rep;
988 struct drm_vmw_surface_arg req;
992 /*************************************************************************/
994 * DRM_VMW_SYNCCPU - Sync a DMA buffer / MOB for CPU access.
996 * Idles any previously submitted GPU operations on the buffer and
997 * by default blocks command submissions that reference the buffer.
998 * If the file descriptor used to grab a blocking CPU sync is closed, the
999 * cpu sync is released.
1000 * The flags argument indicates how the grab / release operation should be
1005 * enum drm_vmw_synccpu_flags - Synccpu flags:
1007 * @drm_vmw_synccpu_read: Sync for read. If sync is done for read only, it's a
1008 * hint to the kernel to allow command submissions that references the buffer
1010 * @drm_vmw_synccpu_write: Sync for write. Block all command submissions
1011 * referencing this buffer.
1012 * @drm_vmw_synccpu_dontblock: Dont wait for GPU idle, but rather return
1013 * -EBUSY should the buffer be busy.
1014 * @drm_vmw_synccpu_allow_cs: Allow command submission that touches the buffer
1015 * while the buffer is synced for CPU. This is similar to the GEM bo idle
1018 enum drm_vmw_synccpu_flags {
1019 drm_vmw_synccpu_read = (1 << 0),
1020 drm_vmw_synccpu_write = (1 << 1),
1021 drm_vmw_synccpu_dontblock = (1 << 2),
1022 drm_vmw_synccpu_allow_cs = (1 << 3)
1026 * enum drm_vmw_synccpu_op - Synccpu operations:
1028 * @drm_vmw_synccpu_grab: Grab the buffer for CPU operations
1029 * @drm_vmw_synccpu_release: Release a previous grab.
1031 enum drm_vmw_synccpu_op {
1032 drm_vmw_synccpu_grab,
1033 drm_vmw_synccpu_release
1037 * struct drm_vmw_synccpu_arg
1039 * @op: The synccpu operation as described above.
1040 * @handle: Handle identifying the buffer object.
1041 * @flags: Flags as described above.
1043 struct drm_vmw_synccpu_arg {
1044 enum drm_vmw_synccpu_op op;
1045 enum drm_vmw_synccpu_flags flags;