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
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
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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__
33 #if defined(__cplusplus)
37 #define DRM_VMW_MAX_SURFACE_FACES 6
38 #define DRM_VMW_MAX_MIP_LEVELS 24
41 #define DRM_VMW_GET_PARAM 0
42 #define DRM_VMW_ALLOC_DMABUF 1
43 #define DRM_VMW_ALLOC_BO 1
44 #define DRM_VMW_UNREF_DMABUF 2
45 #define DRM_VMW_HANDLE_CLOSE 2
46 #define DRM_VMW_CURSOR_BYPASS 3
47 /* guarded by DRM_VMW_PARAM_NUM_STREAMS != 0*/
48 #define DRM_VMW_CONTROL_STREAM 4
49 #define DRM_VMW_CLAIM_STREAM 5
50 #define DRM_VMW_UNREF_STREAM 6
51 /* guarded by DRM_VMW_PARAM_3D == 1 */
52 #define DRM_VMW_CREATE_CONTEXT 7
53 #define DRM_VMW_UNREF_CONTEXT 8
54 #define DRM_VMW_CREATE_SURFACE 9
55 #define DRM_VMW_UNREF_SURFACE 10
56 #define DRM_VMW_REF_SURFACE 11
57 #define DRM_VMW_EXECBUF 12
58 #define DRM_VMW_GET_3D_CAP 13
59 #define DRM_VMW_FENCE_WAIT 14
60 #define DRM_VMW_FENCE_SIGNALED 15
61 #define DRM_VMW_FENCE_UNREF 16
62 #define DRM_VMW_FENCE_EVENT 17
63 #define DRM_VMW_PRESENT 18
64 #define DRM_VMW_PRESENT_READBACK 19
65 #define DRM_VMW_UPDATE_LAYOUT 20
66 #define DRM_VMW_CREATE_SHADER 21
67 #define DRM_VMW_UNREF_SHADER 22
68 #define DRM_VMW_GB_SURFACE_CREATE 23
69 #define DRM_VMW_GB_SURFACE_REF 24
70 #define DRM_VMW_SYNCCPU 25
71 #define DRM_VMW_CREATE_EXTENDED_CONTEXT 26
72 #define DRM_VMW_GB_SURFACE_CREATE_EXT 27
73 #define DRM_VMW_GB_SURFACE_REF_EXT 28
74 #define DRM_VMW_MSG 29
76 /*************************************************************************/
78 * DRM_VMW_GET_PARAM - get device information.
80 * DRM_VMW_PARAM_FIFO_OFFSET:
81 * Offset to use to map the first page of the FIFO read-only.
82 * The fifo is mapped using the mmap() system call on the drm device.
84 * DRM_VMW_PARAM_OVERLAY_IOCTL:
85 * Does the driver support the overlay ioctl.
88 * SM4_1 support is enabled.
91 * SM5 support is enabled.
94 #define DRM_VMW_PARAM_NUM_STREAMS 0
95 #define DRM_VMW_PARAM_NUM_FREE_STREAMS 1
96 #define DRM_VMW_PARAM_3D 2
97 #define DRM_VMW_PARAM_HW_CAPS 3
98 #define DRM_VMW_PARAM_FIFO_CAPS 4
99 #define DRM_VMW_PARAM_MAX_FB_SIZE 5
100 #define DRM_VMW_PARAM_FIFO_HW_VERSION 6
101 #define DRM_VMW_PARAM_MAX_SURF_MEMORY 7
102 #define DRM_VMW_PARAM_3D_CAPS_SIZE 8
103 #define DRM_VMW_PARAM_MAX_MOB_MEMORY 9
104 #define DRM_VMW_PARAM_MAX_MOB_SIZE 10
105 #define DRM_VMW_PARAM_SCREEN_TARGET 11
106 #define DRM_VMW_PARAM_DX 12
107 #define DRM_VMW_PARAM_HW_CAPS2 13
108 #define DRM_VMW_PARAM_SM4_1 14
109 #define DRM_VMW_PARAM_SM5 15
112 * enum drm_vmw_handle_type - handle type for ref ioctls
115 enum drm_vmw_handle_type
{
116 DRM_VMW_HANDLE_LEGACY
= 0,
117 DRM_VMW_HANDLE_PRIME
= 1
121 * struct drm_vmw_getparam_arg
123 * @value: Returned value. //Out
124 * @param: Parameter to query. //In.
126 * Argument to the DRM_VMW_GET_PARAM Ioctl.
129 struct drm_vmw_getparam_arg
{
135 /*************************************************************************/
137 * DRM_VMW_CREATE_CONTEXT - Create a host context.
139 * Allocates a device unique context id, and queues a create context command
140 * for the host. Does not wait for host completion.
144 * struct drm_vmw_context_arg
146 * @cid: Device unique context ID.
148 * Output argument to the DRM_VMW_CREATE_CONTEXT Ioctl.
149 * Input argument to the DRM_VMW_UNREF_CONTEXT Ioctl.
152 struct drm_vmw_context_arg
{
157 /*************************************************************************/
159 * DRM_VMW_UNREF_CONTEXT - Create a host context.
161 * Frees a global context id, and queues a destroy host command for the host.
162 * Does not wait for host completion. The context ID can be used directly
163 * in the command stream and shows up as the same context ID on the host.
166 /*************************************************************************/
168 * DRM_VMW_CREATE_SURFACE - Create a host suface.
170 * Allocates a device unique surface id, and queues a create surface command
171 * for the host. Does not wait for host completion. The surface ID can be
172 * used directly in the command stream and shows up as the same surface
177 * struct drm_wmv_surface_create_req
179 * @flags: Surface flags as understood by the host.
180 * @format: Surface format as understood by the host.
181 * @mip_levels: Number of mip levels for each face.
182 * An unused face should have 0 encoded.
183 * @size_addr: Address of a user-space array of sruct drm_vmw_size
184 * cast to an __u64 for 32-64 bit compatibility.
185 * The size of the array should equal the total number of mipmap levels.
186 * @shareable: Boolean whether other clients (as identified by file descriptors)
187 * may reference this surface.
188 * @scanout: Boolean whether the surface is intended to be used as a
191 * Input data to the DRM_VMW_CREATE_SURFACE Ioctl.
192 * Output data from the DRM_VMW_REF_SURFACE Ioctl.
195 struct drm_vmw_surface_create_req
{
198 __u32 mip_levels
[DRM_VMW_MAX_SURFACE_FACES
];
205 * struct drm_wmv_surface_arg
207 * @sid: Surface id of created surface or surface to destroy or reference.
208 * @handle_type: Handle type for DRM_VMW_REF_SURFACE Ioctl.
210 * Output data from the DRM_VMW_CREATE_SURFACE Ioctl.
211 * Input argument to the DRM_VMW_UNREF_SURFACE Ioctl.
212 * Input argument to the DRM_VMW_REF_SURFACE Ioctl.
215 struct drm_vmw_surface_arg
{
217 enum drm_vmw_handle_type handle_type
;
221 * struct drm_vmw_size ioctl.
223 * @width - mip level width
224 * @height - mip level height
225 * @depth - mip level depth
227 * Description of a mip level.
228 * Input data to the DRM_WMW_CREATE_SURFACE Ioctl.
231 struct drm_vmw_size
{
239 * union drm_vmw_surface_create_arg
241 * @rep: Output data as described above.
242 * @req: Input data as described above.
244 * Argument to the DRM_VMW_CREATE_SURFACE Ioctl.
247 union drm_vmw_surface_create_arg
{
248 struct drm_vmw_surface_arg rep
;
249 struct drm_vmw_surface_create_req req
;
252 /*************************************************************************/
254 * DRM_VMW_REF_SURFACE - Reference a host surface.
256 * Puts a reference on a host surface with a give sid, as previously
257 * returned by the DRM_VMW_CREATE_SURFACE ioctl.
258 * A reference will make sure the surface isn't destroyed while we hold
259 * it and will allow the calling client to use the surface ID in the command
262 * On successful return, the Ioctl returns the surface information given
263 * in the DRM_VMW_CREATE_SURFACE ioctl.
267 * union drm_vmw_surface_reference_arg
269 * @rep: Output data as described above.
270 * @req: Input data as described above.
272 * Argument to the DRM_VMW_REF_SURFACE Ioctl.
275 union drm_vmw_surface_reference_arg
{
276 struct drm_vmw_surface_create_req rep
;
277 struct drm_vmw_surface_arg req
;
280 /*************************************************************************/
282 * DRM_VMW_UNREF_SURFACE - Unreference a host surface.
284 * Clear a reference previously put on a host surface.
285 * When all references are gone, including the one implicitly placed
287 * a destroy surface command will be queued for the host.
288 * Does not wait for completion.
291 /*************************************************************************/
295 * Submit a command buffer for execution on the host, and return a
296 * fence seqno that when signaled, indicates that the command buffer has
301 * struct drm_vmw_execbuf_arg
303 * @commands: User-space address of a command buffer cast to an __u64.
304 * @command-size: Size in bytes of the command buffer.
305 * @throttle-us: Sleep until software is less than @throttle_us
306 * microseconds ahead of hardware. The driver may round this value
307 * to the nearest kernel tick.
308 * @fence_rep: User-space address of a struct drm_vmw_fence_rep cast to an
310 * @version: Allows expanding the execbuf ioctl parameters without breaking
311 * backwards compatibility, since user-space will always tell the kernel
312 * which version it uses.
313 * @flags: Execbuf flags.
314 * @imported_fence_fd: FD for a fence imported from another device
316 * Argument to the DRM_VMW_EXECBUF Ioctl.
319 #define DRM_VMW_EXECBUF_VERSION 2
321 #define DRM_VMW_EXECBUF_FLAG_IMPORT_FENCE_FD (1 << 0)
322 #define DRM_VMW_EXECBUF_FLAG_EXPORT_FENCE_FD (1 << 1)
324 struct drm_vmw_execbuf_arg
{
331 __u32 context_handle
;
332 __s32 imported_fence_fd
;
336 * struct drm_vmw_fence_rep
338 * @handle: Fence object handle for fence associated with a command submission.
339 * @mask: Fence flags relevant for this fence object.
340 * @seqno: Fence sequence number in fifo. A fence object with a lower
341 * seqno will signal the EXEC flag before a fence object with a higher
342 * seqno. This can be used by user-space to avoid kernel calls to determine
343 * whether a fence has signaled the EXEC flag. Note that @seqno will
345 * @passed_seqno: The highest seqno number processed by the hardware
346 * so far. This can be used to mark user-space fence objects as signaled, and
347 * to determine whether a fence seqno might be stale.
348 * @fd: FD associated with the fence, -1 if not exported
349 * @error: This member should've been set to -EFAULT on submission.
350 * The following actions should be take on completion:
351 * error == -EFAULT: Fence communication failed. The host is synchronized.
352 * Use the last fence id read from the FIFO fence register.
353 * error != 0 && error != -EFAULT:
354 * Fence submission failed. The host is synchronized. Use the fence_seq member.
355 * error == 0: All is OK, The host may not be synchronized.
356 * Use the fence_seq member.
358 * Input / Output data to the DRM_VMW_EXECBUF Ioctl.
361 struct drm_vmw_fence_rep
{
370 /*************************************************************************/
374 * Allocate a buffer object that is visible also to the host.
375 * NOTE: The buffer is
376 * identified by a handle and an offset, which are private to the guest, but
377 * useable in the command stream. The guest kernel may translate these
378 * and patch up the command stream accordingly. In the future, the offset may
379 * be zero at all times, or it may disappear from the interface before it is
382 * The buffer object may stay user-space mapped in the guest at all times,
383 * and is thus suitable for sub-allocation.
385 * Buffer objects are mapped using the mmap() syscall on the drm device.
389 * struct drm_vmw_alloc_bo_req
391 * @size: Required minimum size of the buffer.
393 * Input data to the DRM_VMW_ALLOC_BO Ioctl.
396 struct drm_vmw_alloc_bo_req
{
400 #define drm_vmw_alloc_dmabuf_req drm_vmw_alloc_bo_req
403 * struct drm_vmw_bo_rep
405 * @map_handle: Offset to use in the mmap() call used to map the buffer.
406 * @handle: Handle unique to this buffer. Used for unreferencing.
407 * @cur_gmr_id: GMR id to use in the command stream when this buffer is
408 * referenced. See not above.
409 * @cur_gmr_offset: Offset to use in the command stream when this buffer is
410 * referenced. See note above.
412 * Output data from the DRM_VMW_ALLOC_BO Ioctl.
415 struct drm_vmw_bo_rep
{
419 __u32 cur_gmr_offset
;
422 #define drm_vmw_dmabuf_rep drm_vmw_bo_rep
425 * union drm_vmw_alloc_bo_arg
427 * @req: Input data as described above.
428 * @rep: Output data as described above.
430 * Argument to the DRM_VMW_ALLOC_BO Ioctl.
433 union drm_vmw_alloc_bo_arg
{
434 struct drm_vmw_alloc_bo_req req
;
435 struct drm_vmw_bo_rep rep
;
437 #define drm_vmw_alloc_dmabuf_arg drm_vmw_alloc_bo_arg
439 /*************************************************************************/
441 * DRM_VMW_CONTROL_STREAM - Control overlays, aka streams.
443 * This IOCTL controls the overlay units of the svga device.
444 * The SVGA overlay units does not work like regular hardware units in
445 * that they do not automaticaly read back the contents of the given dma
446 * buffer. But instead only read back for each call to this ioctl, and
447 * at any point between this call being made and a following call that
448 * either changes the buffer or disables the stream.
452 * struct drm_vmw_rect
454 * Defines a rectangle. Used in the overlay ioctl to define
455 * source and destination rectangle.
458 struct drm_vmw_rect
{
466 * struct drm_vmw_control_stream_arg
468 * @stream_id: Stearm to control
469 * @enabled: If false all following arguments are ignored.
470 * @handle: Handle to buffer for getting data from.
471 * @format: Format of the overlay as understood by the host.
472 * @width: Width of the overlay.
473 * @height: Height of the overlay.
474 * @size: Size of the overlay in bytes.
475 * @pitch: Array of pitches, the two last are only used for YUV12 formats.
476 * @offset: Offset from start of dma buffer to overlay.
477 * @src: Source rect, must be within the defined area above.
478 * @dst: Destination rect, x and y may be negative.
480 * Argument to the DRM_VMW_CONTROL_STREAM Ioctl.
483 struct drm_vmw_control_stream_arg
{
499 struct drm_vmw_rect src
;
500 struct drm_vmw_rect dst
;
503 /*************************************************************************/
505 * DRM_VMW_CURSOR_BYPASS - Give extra information about cursor bypass.
509 #define DRM_VMW_CURSOR_BYPASS_ALL (1 << 0)
510 #define DRM_VMW_CURSOR_BYPASS_FLAGS (1)
513 * struct drm_vmw_cursor_bypass_arg
516 * @crtc_id: Crtc id, only used if DMR_CURSOR_BYPASS_ALL isn't passed.
517 * @xpos: X position of cursor.
518 * @ypos: Y position of cursor.
522 * Argument to the DRM_VMW_CURSOR_BYPASS Ioctl.
525 struct drm_vmw_cursor_bypass_arg
{
534 /*************************************************************************/
536 * DRM_VMW_CLAIM_STREAM - Claim a single stream.
540 * struct drm_vmw_context_arg
542 * @stream_id: Device unique context ID.
544 * Output argument to the DRM_VMW_CREATE_CONTEXT Ioctl.
545 * Input argument to the DRM_VMW_UNREF_CONTEXT Ioctl.
548 struct drm_vmw_stream_arg
{
553 /*************************************************************************/
555 * DRM_VMW_UNREF_STREAM - Unclaim a stream.
557 * Return a single stream that was claimed by this process. Also makes
558 * sure that the stream has been stopped.
561 /*************************************************************************/
565 * Read 3D capabilities from the FIFO
570 * struct drm_vmw_get_3d_cap_arg
572 * @buffer: Pointer to a buffer for capability data, cast to an __u64
573 * @size: Max size to copy
575 * Input argument to the DRM_VMW_GET_3D_CAP_IOCTL
579 struct drm_vmw_get_3d_cap_arg
{
585 /*************************************************************************/
589 * Waits for a fence object to signal. The wait is interruptible, so that
590 * signals may be delivered during the interrupt. The wait may timeout,
591 * in which case the calls returns -EBUSY. If the wait is restarted,
592 * that is restarting without resetting @cookie_valid to zero,
593 * the timeout is computed from the first call.
595 * The flags argument to the DRM_VMW_FENCE_WAIT ioctl indicates what to wait
597 * DRM_VMW_FENCE_FLAG_EXEC: All commands ahead of the fence in the command
600 * DRM_VMW_FENCE_FLAG_QUERY: All query results resulting from query finish
602 * in the buffer given to the EXECBUF ioctl returning the fence object handle
603 * are available to user-space.
605 * DRM_VMW_WAIT_OPTION_UNREF: If this wait option is given, and the
606 * fenc wait ioctl returns 0, the fence object has been unreferenced after
610 #define DRM_VMW_FENCE_FLAG_EXEC (1 << 0)
611 #define DRM_VMW_FENCE_FLAG_QUERY (1 << 1)
613 #define DRM_VMW_WAIT_OPTION_UNREF (1 << 0)
616 * struct drm_vmw_fence_wait_arg
618 * @handle: Fence object handle as returned by the DRM_VMW_EXECBUF ioctl.
619 * @cookie_valid: Must be reset to 0 on first call. Left alone on restart.
620 * @kernel_cookie: Set to 0 on first call. Left alone on restart.
621 * @timeout_us: Wait timeout in microseconds. 0 for indefinite timeout.
622 * @lazy: Set to 1 if timing is not critical. Allow more than a kernel tick
624 * @flags: Fence flags to wait on.
625 * @wait_options: Options that control the behaviour of the wait ioctl.
627 * Input argument to the DRM_VMW_FENCE_WAIT ioctl.
630 struct drm_vmw_fence_wait_arg
{
641 /*************************************************************************/
643 * DRM_VMW_FENCE_SIGNALED
645 * Checks if a fence object is signaled..
649 * struct drm_vmw_fence_signaled_arg
651 * @handle: Fence object handle as returned by the DRM_VMW_EXECBUF ioctl.
652 * @flags: Fence object flags input to DRM_VMW_FENCE_SIGNALED ioctl
653 * @signaled: Out: Flags signaled.
654 * @sequence: Out: Highest sequence passed so far. Can be used to signal the
655 * EXEC flag of user-space fence objects.
657 * Input/Output argument to the DRM_VMW_FENCE_SIGNALED and DRM_VMW_FENCE_UNREF
661 struct drm_vmw_fence_signaled_arg
{
666 __u32 signaled_flags
;
670 /*************************************************************************/
672 * DRM_VMW_FENCE_UNREF
674 * Unreferences a fence object, and causes it to be destroyed if there are no
675 * other references to it.
680 * struct drm_vmw_fence_arg
682 * @handle: Fence object handle as returned by the DRM_VMW_EXECBUF ioctl.
684 * Input/Output argument to the DRM_VMW_FENCE_UNREF ioctl..
687 struct drm_vmw_fence_arg
{
693 /*************************************************************************/
695 * DRM_VMW_FENCE_EVENT
697 * Queues an event on a fence to be delivered on the drm character device
698 * when the fence has signaled the DRM_VMW_FENCE_FLAG_EXEC flag.
699 * Optionally the approximate time when the fence signaled is
700 * given by the event.
706 #define DRM_VMW_EVENT_FENCE_SIGNALED 0x80000000
708 struct drm_vmw_event_fence
{
709 struct drm_event base
;
716 * Flags that may be given to the command.
718 /* Request fence signaled time on the event. */
719 #define DRM_VMW_FE_FLAG_REQ_TIME (1 << 0)
722 * struct drm_vmw_fence_event_arg
724 * @fence_rep: Pointer to fence_rep structure cast to __u64 or 0 if
725 * the fence is not supposed to be referenced by user-space.
726 * @user_info: Info to be delivered with the event.
727 * @handle: Attach the event to this fence only.
728 * @flags: A set of flags as defined above.
730 struct drm_vmw_fence_event_arg
{
738 /*************************************************************************/
742 * Executes an SVGA present on a given fb for a given surface. The surface
743 * is placed on the framebuffer. Cliprects are given relative to the given
744 * point (the point disignated by dest_{x|y}).
749 * struct drm_vmw_present_arg
750 * @fb_id: framebuffer id to present / read back from.
751 * @sid: Surface id to present from.
752 * @dest_x: X placement coordinate for surface.
753 * @dest_y: Y placement coordinate for surface.
754 * @clips_ptr: Pointer to an array of clip rects cast to an __u64.
755 * @num_clips: Number of cliprects given relative to the framebuffer origin,
756 * in the same coordinate space as the frame buffer.
757 * @pad64: Unused 64-bit padding.
759 * Input argument to the DRM_VMW_PRESENT ioctl.
762 struct drm_vmw_present_arg
{
773 /*************************************************************************/
775 * DRM_VMW_PRESENT_READBACK
777 * Executes an SVGA present readback from a given fb to the dma buffer
778 * currently bound as the fb. If there is no dma buffer bound to the fb,
779 * an error will be returned.
784 * struct drm_vmw_present_arg
785 * @fb_id: fb_id to present / read back from.
786 * @num_clips: Number of cliprects.
787 * @clips_ptr: Pointer to an array of clip rects cast to an __u64.
788 * @fence_rep: Pointer to a struct drm_vmw_fence_rep, cast to an __u64.
789 * If this member is NULL, then the ioctl should not return a fence.
792 struct drm_vmw_present_readback_arg
{
799 /*************************************************************************/
801 * DRM_VMW_UPDATE_LAYOUT - Update layout
803 * Updates the preferred modes and connection status for connectors. The
804 * command consists of one drm_vmw_update_layout_arg pointing to an array
805 * of num_outputs drm_vmw_rect's.
809 * struct drm_vmw_update_layout_arg
811 * @num_outputs: number of active connectors
812 * @rects: pointer to array of drm_vmw_rect cast to an __u64
814 * Input argument to the DRM_VMW_UPDATE_LAYOUT Ioctl.
816 struct drm_vmw_update_layout_arg
{
823 /*************************************************************************/
825 * DRM_VMW_CREATE_SHADER - Create shader
827 * Creates a shader and optionally binds it to a dma buffer containing
828 * the shader byte-code.
832 * enum drm_vmw_shader_type - Shader types
834 enum drm_vmw_shader_type
{
835 drm_vmw_shader_type_vs
= 0,
836 drm_vmw_shader_type_ps
,
841 * struct drm_vmw_shader_create_arg
843 * @shader_type: Shader type of the shader to create.
844 * @size: Size of the byte-code in bytes.
845 * where the shader byte-code starts
846 * @buffer_handle: Buffer handle identifying the buffer containing the
848 * @shader_handle: On successful completion contains a handle that
849 * can be used to subsequently identify the shader.
850 * @offset: Offset in bytes into the buffer given by @buffer_handle,
852 * Input / Output argument to the DRM_VMW_CREATE_SHADER Ioctl.
854 struct drm_vmw_shader_create_arg
{
855 enum drm_vmw_shader_type shader_type
;
862 /*************************************************************************/
864 * DRM_VMW_UNREF_SHADER - Unreferences a shader
866 * Destroys a user-space reference to a shader, optionally destroying
871 * struct drm_vmw_shader_arg
873 * @handle: Handle identifying the shader to destroy.
875 * Input argument to the DRM_VMW_UNREF_SHADER ioctl.
877 struct drm_vmw_shader_arg
{
882 /*************************************************************************/
884 * DRM_VMW_GB_SURFACE_CREATE - Create a host guest-backed surface.
886 * Allocates a surface handle and queues a create surface command
887 * for the host on the first use of the surface. The surface ID can
888 * be used as the surface ID in commands referencing the surface.
892 * enum drm_vmw_surface_flags
894 * @drm_vmw_surface_flag_shareable: Whether the surface is shareable
895 * @drm_vmw_surface_flag_scanout: Whether the surface is a scanout
897 * @drm_vmw_surface_flag_create_buffer: Create a backup buffer if none is
899 * @drm_vmw_surface_flag_coherent: Back surface with coherent memory.
901 enum drm_vmw_surface_flags
{
902 drm_vmw_surface_flag_shareable
= (1 << 0),
903 drm_vmw_surface_flag_scanout
= (1 << 1),
904 drm_vmw_surface_flag_create_buffer
= (1 << 2),
905 drm_vmw_surface_flag_coherent
= (1 << 3),
909 * struct drm_vmw_gb_surface_create_req
911 * @svga3d_flags: SVGA3d surface flags for the device.
912 * @format: SVGA3d format.
913 * @mip_level: Number of mip levels for all faces.
914 * @drm_surface_flags Flags as described above.
915 * @multisample_count Future use. Set to 0.
916 * @autogen_filter Future use. Set to 0.
917 * @buffer_handle Buffer handle of backup buffer. SVGA3D_INVALID_ID
919 * @base_size Size of the base mip level for all faces.
920 * @array_size Must be zero for non-DX hardware, and if non-zero
921 * svga3d_flags must have proper bind flags setup.
923 * Input argument to the DRM_VMW_GB_SURFACE_CREATE Ioctl.
924 * Part of output argument for the DRM_VMW_GB_SURFACE_REF Ioctl.
926 struct drm_vmw_gb_surface_create_req
{
930 enum drm_vmw_surface_flags drm_surface_flags
;
931 __u32 multisample_count
;
932 __u32 autogen_filter
;
935 struct drm_vmw_size base_size
;
939 * struct drm_vmw_gb_surface_create_rep
941 * @handle: Surface handle.
942 * @backup_size: Size of backup buffers for this surface.
943 * @buffer_handle: Handle of backup buffer. SVGA3D_INVALID_ID if none.
944 * @buffer_size: Actual size of the buffer identified by
946 * @buffer_map_handle: Offset into device address space for the buffer
947 * identified by @buffer_handle.
949 * Part of output argument for the DRM_VMW_GB_SURFACE_REF ioctl.
950 * Output argument for the DRM_VMW_GB_SURFACE_CREATE ioctl.
952 struct drm_vmw_gb_surface_create_rep
{
957 __u64 buffer_map_handle
;
961 * union drm_vmw_gb_surface_create_arg
963 * @req: Input argument as described above.
964 * @rep: Output argument as described above.
966 * Argument to the DRM_VMW_GB_SURFACE_CREATE ioctl.
968 union drm_vmw_gb_surface_create_arg
{
969 struct drm_vmw_gb_surface_create_rep rep
;
970 struct drm_vmw_gb_surface_create_req req
;
973 /*************************************************************************/
975 * DRM_VMW_GB_SURFACE_REF - Reference a host surface.
977 * Puts a reference on a host surface with a given handle, as previously
978 * returned by the DRM_VMW_GB_SURFACE_CREATE ioctl.
979 * A reference will make sure the surface isn't destroyed while we hold
980 * it and will allow the calling client to use the surface handle in
981 * the command stream.
983 * On successful return, the Ioctl returns the surface information given
984 * to and returned from the DRM_VMW_GB_SURFACE_CREATE ioctl.
988 * struct drm_vmw_gb_surface_reference_arg
990 * @creq: The data used as input when the surface was created, as described
991 * above at "struct drm_vmw_gb_surface_create_req"
992 * @crep: Additional data output when the surface was created, as described
993 * above at "struct drm_vmw_gb_surface_create_rep"
995 * Output Argument to the DRM_VMW_GB_SURFACE_REF ioctl.
997 struct drm_vmw_gb_surface_ref_rep
{
998 struct drm_vmw_gb_surface_create_req creq
;
999 struct drm_vmw_gb_surface_create_rep crep
;
1003 * union drm_vmw_gb_surface_reference_arg
1005 * @req: Input data as described above at "struct drm_vmw_surface_arg"
1006 * @rep: Output data as described above at "struct drm_vmw_gb_surface_ref_rep"
1008 * Argument to the DRM_VMW_GB_SURFACE_REF Ioctl.
1010 union drm_vmw_gb_surface_reference_arg
{
1011 struct drm_vmw_gb_surface_ref_rep rep
;
1012 struct drm_vmw_surface_arg req
;
1016 /*************************************************************************/
1018 * DRM_VMW_SYNCCPU - Sync a DMA buffer / MOB for CPU access.
1020 * Idles any previously submitted GPU operations on the buffer and
1021 * by default blocks command submissions that reference the buffer.
1022 * If the file descriptor used to grab a blocking CPU sync is closed, the
1023 * cpu sync is released.
1024 * The flags argument indicates how the grab / release operation should be
1029 * enum drm_vmw_synccpu_flags - Synccpu flags:
1031 * @drm_vmw_synccpu_read: Sync for read. If sync is done for read only, it's a
1032 * hint to the kernel to allow command submissions that references the buffer
1034 * @drm_vmw_synccpu_write: Sync for write. Block all command submissions
1035 * referencing this buffer.
1036 * @drm_vmw_synccpu_dontblock: Dont wait for GPU idle, but rather return
1037 * -EBUSY should the buffer be busy.
1038 * @drm_vmw_synccpu_allow_cs: Allow command submission that touches the buffer
1039 * while the buffer is synced for CPU. This is similar to the GEM bo idle
1042 enum drm_vmw_synccpu_flags
{
1043 drm_vmw_synccpu_read
= (1 << 0),
1044 drm_vmw_synccpu_write
= (1 << 1),
1045 drm_vmw_synccpu_dontblock
= (1 << 2),
1046 drm_vmw_synccpu_allow_cs
= (1 << 3)
1050 * enum drm_vmw_synccpu_op - Synccpu operations:
1052 * @drm_vmw_synccpu_grab: Grab the buffer for CPU operations
1053 * @drm_vmw_synccpu_release: Release a previous grab.
1055 enum drm_vmw_synccpu_op
{
1056 drm_vmw_synccpu_grab
,
1057 drm_vmw_synccpu_release
1061 * struct drm_vmw_synccpu_arg
1063 * @op: The synccpu operation as described above.
1064 * @handle: Handle identifying the buffer object.
1065 * @flags: Flags as described above.
1067 struct drm_vmw_synccpu_arg
{
1068 enum drm_vmw_synccpu_op op
;
1069 enum drm_vmw_synccpu_flags flags
;
1074 /*************************************************************************/
1076 * DRM_VMW_CREATE_EXTENDED_CONTEXT - Create a host context.
1078 * Allocates a device unique context id, and queues a create context command
1079 * for the host. Does not wait for host completion.
1081 enum drm_vmw_extended_context
{
1082 drm_vmw_context_legacy
,
1087 * union drm_vmw_extended_context_arg
1089 * @req: Context type.
1090 * @rep: Context identifier.
1092 * Argument to the DRM_VMW_CREATE_EXTENDED_CONTEXT Ioctl.
1094 union drm_vmw_extended_context_arg
{
1095 enum drm_vmw_extended_context req
;
1096 struct drm_vmw_context_arg rep
;
1099 /*************************************************************************/
1101 * DRM_VMW_HANDLE_CLOSE - Close a user-space handle and release its
1102 * underlying resource.
1104 * Note that this ioctl is overlaid on the deprecated DRM_VMW_UNREF_DMABUF
1109 * struct drm_vmw_handle_close_arg
1111 * @handle: Handle to close.
1113 * Argument to the DRM_VMW_HANDLE_CLOSE Ioctl.
1115 struct drm_vmw_handle_close_arg
{
1119 #define drm_vmw_unref_dmabuf_arg drm_vmw_handle_close_arg
1121 /*************************************************************************/
1123 * DRM_VMW_GB_SURFACE_CREATE_EXT - Create a host guest-backed surface.
1125 * Allocates a surface handle and queues a create surface command
1126 * for the host on the first use of the surface. The surface ID can
1127 * be used as the surface ID in commands referencing the surface.
1129 * This new command extends DRM_VMW_GB_SURFACE_CREATE by adding version
1130 * parameter and 64 bit svga flag.
1134 * enum drm_vmw_surface_version
1136 * @drm_vmw_surface_gb_v1: Corresponds to current gb surface format with
1137 * svga3d surface flags split into 2, upper half and lower half.
1139 enum drm_vmw_surface_version
{
1140 drm_vmw_gb_surface_v1
,
1144 * struct drm_vmw_gb_surface_create_ext_req
1146 * @base: Surface create parameters.
1147 * @version: Version of surface create ioctl.
1148 * @svga3d_flags_upper_32_bits: Upper 32 bits of svga3d flags.
1149 * @multisample_pattern: Multisampling pattern when msaa is supported.
1150 * @quality_level: Precision settings for each sample.
1151 * @buffer_byte_stride: Buffer byte stride.
1152 * @must_be_zero: Reserved for future usage.
1154 * Input argument to the DRM_VMW_GB_SURFACE_CREATE_EXT Ioctl.
1155 * Part of output argument for the DRM_VMW_GB_SURFACE_REF_EXT Ioctl.
1157 struct drm_vmw_gb_surface_create_ext_req
{
1158 struct drm_vmw_gb_surface_create_req base
;
1159 enum drm_vmw_surface_version version
;
1160 __u32 svga3d_flags_upper_32_bits
;
1161 __u32 multisample_pattern
;
1162 __u32 quality_level
;
1163 __u32 buffer_byte_stride
;
1168 * union drm_vmw_gb_surface_create_ext_arg
1170 * @req: Input argument as described above.
1171 * @rep: Output argument as described above.
1173 * Argument to the DRM_VMW_GB_SURFACE_CREATE_EXT ioctl.
1175 union drm_vmw_gb_surface_create_ext_arg
{
1176 struct drm_vmw_gb_surface_create_rep rep
;
1177 struct drm_vmw_gb_surface_create_ext_req req
;
1180 /*************************************************************************/
1182 * DRM_VMW_GB_SURFACE_REF_EXT - Reference a host surface.
1184 * Puts a reference on a host surface with a given handle, as previously
1185 * returned by the DRM_VMW_GB_SURFACE_CREATE_EXT ioctl.
1186 * A reference will make sure the surface isn't destroyed while we hold
1187 * it and will allow the calling client to use the surface handle in
1188 * the command stream.
1190 * On successful return, the Ioctl returns the surface information given
1191 * to and returned from the DRM_VMW_GB_SURFACE_CREATE_EXT ioctl.
1195 * struct drm_vmw_gb_surface_ref_ext_rep
1197 * @creq: The data used as input when the surface was created, as described
1198 * above at "struct drm_vmw_gb_surface_create_ext_req"
1199 * @crep: Additional data output when the surface was created, as described
1200 * above at "struct drm_vmw_gb_surface_create_rep"
1202 * Output Argument to the DRM_VMW_GB_SURFACE_REF_EXT ioctl.
1204 struct drm_vmw_gb_surface_ref_ext_rep
{
1205 struct drm_vmw_gb_surface_create_ext_req creq
;
1206 struct drm_vmw_gb_surface_create_rep crep
;
1210 * union drm_vmw_gb_surface_reference_ext_arg
1212 * @req: Input data as described above at "struct drm_vmw_surface_arg"
1213 * @rep: Output data as described above at
1214 * "struct drm_vmw_gb_surface_ref_ext_rep"
1216 * Argument to the DRM_VMW_GB_SURFACE_REF Ioctl.
1218 union drm_vmw_gb_surface_reference_ext_arg
{
1219 struct drm_vmw_gb_surface_ref_ext_rep rep
;
1220 struct drm_vmw_surface_arg req
;
1224 * struct drm_vmw_msg_arg
1226 * @send: Pointer to user-space msg string (null terminated).
1227 * @receive: Pointer to user-space receive buffer.
1228 * @send_only: Boolean whether this is only sending or receiving too.
1230 * Argument to the DRM_VMW_MSG ioctl.
1232 struct drm_vmw_msg_arg
{
1239 #if defined(__cplusplus)