1 /* SPDX-License-Identifier: (GPL-2.0 WITH Linux-syscall-note) OR MIT */
4  * Copyright © 2009-2023 VMware, Inc., Palo Alto, CA., USA
19  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
21  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
82  * DRM_VMW_GET_PARAM - get device information.
85  * Offset to use to map the first page of the FIFO read-only.
124  * enum drm_vmw_handle_type - handle type for ref ioctls
127 enum drm_vmw_handle_type {
149  * DRM_VMW_CREATE_CONTEXT - Create a host context.
171  * DRM_VMW_UNREF_CONTEXT - Create a host context.
175  * in the command stream and shows up as the same context ID on the host.
180  * DRM_VMW_CREATE_SURFACE - Create a host suface.
184  * used directly in the command stream and shows up as the same surface
191  * @flags: Surface flags as understood by the host.
192  * @format: Surface format as understood by the host.
195  * @size_addr: Address of a user-space array of sruct drm_vmw_size
196  * cast to an __u64 for 32-64 bit compatibility.
198  * @shareable: Boolean whether other clients (as identified by file descriptors)
200  * @scanout: Boolean whether the surface is intended to be used as a
208 	__u32 flags;  member
229 	enum drm_vmw_handle_type handle_type;
235  * @width - mip level width
236  * @height - mip level height
237  * @depth - mip level depth
253  * @rep: Output data as described above.
254  * @req: Input data as described above.
266  * DRM_VMW_REF_SURFACE - Reference a host surface.
268  * Puts a reference on a host surface with a give sid, as previously
281  * @rep: Output data as described above.
282  * @req: Input data as described above.
294  * DRM_VMW_UNREF_SURFACE - Unreference a host surface.
315  * @commands: User-space address of a command buffer cast to an __u64.
316  * @command-size: Size in bytes of the command buffer.
317  * @throttle-us: Sleep until software is less than @throttle_us
320  * @fence_rep: User-space address of a struct drm_vmw_fence_rep cast to an
323  * backwards compatibility, since user-space will always tell the kernel
325  * @flags: Execbuf flags.
342 	__u32 flags;  member
351  * @mask: Fence flags relevant for this fence object.
354  * seqno. This can be used by user-space to avoid kernel calls to determine
356  * wrap at 32-bit.
358  * so far. This can be used to mark user-space fence objects as signaled, and
360  * @fd: FD associated with the fence, -1 if not exported
361  * @error: This member should've been set to -EFAULT on submission.
363  * error == -EFAULT: Fence communication failed. The host is synchronized.
365  * error != 0 && error != -EFAULT:
394  * The buffer object may stay user-space mapped in the guest at all times,
395  * and is thus suitable for sub-allocation.
439  * @req: Input data as described above.
440  * @rep: Output data as described above.
453  * DRM_VMW_CONTROL_STREAM - Control overlays, aka streams.
483  * @format: Format of the overlay as understood by the host.
499 	__u32 flags;  member
517  * DRM_VMW_CURSOR_BYPASS - Give extra information about cursor bypass.
527  * @flags: Flags.
538 	__u32 flags;  member
548  * DRM_VMW_CLAIM_STREAM - Claim a single stream.
567  * DRM_VMW_UNREF_STREAM - Unclaim a stream.
603  * in which case the calls returns -EBUSY. If the wait is restarted,
607  * The flags argument to the DRM_VMW_FENCE_WAIT ioctl indicates what to wait
615  * are available to user-space.
630  * @handle: Fence object handle as returned by the DRM_VMW_EXECBUF ioctl.
636  * @flags: Fence flags to wait on.
648 	__s32 flags;  member
663  * @handle: Fence object handle as returned by the DRM_VMW_EXECBUF ioctl.
664  * @flags: Fence object flags input to DRM_VMW_FENCE_SIGNALED ioctl
665  * @signaled: Out: Flags signaled.
667  * EXEC flag of user-space fence objects.
675 	 __u32 flags;  member
694  * @handle: Fence object handle as returned by the DRM_VMW_EXECBUF ioctl.
728  * Flags that may be given to the command.
737  * the fence is not supposed to be referenced by user-space.
740  * @flags: A set of flags as defined above.
746 	__u32 flags;  member
768  * in the same coordinate space as the frame buffer.
769  * @pad64: Unused 64-bit padding.
790  * currently bound as the fb. If there is no dma buffer bound to the fb,
813  * DRM_VMW_UPDATE_LAYOUT - Update layout
837  * DRM_VMW_CREATE_SHADER - Create shader
840  * the shader byte-code.
844  * enum drm_vmw_shader_type - Shader types
846 enum drm_vmw_shader_type {
856  * @size: Size of the byte-code in bytes.
857  * where the shader byte-code starts
859  * shader byte-code
867 	enum drm_vmw_shader_type shader_type;
876  * DRM_VMW_UNREF_SHADER - Unreferences a shader
878  * Destroys a user-space reference to a shader, optionally destroying
896  * DRM_VMW_GB_SURFACE_CREATE - Create a host guest-backed surface.
900  * be used as the surface ID in commands referencing the surface.
904  * enum drm_vmw_surface_flags
906  * @drm_vmw_surface_flag_shareable:     Deprecated - all userspace surfaces are
914 enum drm_vmw_surface_flags {
924  * @svga3d_flags:     SVGA3d surface flags for the device.
927  * @drm_surface_flags Flags as described above.
933  * @array_size        Must be zero for non-DX hardware, and if non-zero
934  *                    svga3d_flags must have proper bind flags setup.
943 	enum drm_vmw_surface_flags drm_surface_flags;
976  * @req: Input argument as described above.
977  * @rep: Output argument as described above.
988  * DRM_VMW_GB_SURFACE_REF - Reference a host surface.
990  * Puts a reference on a host surface with a given handle, as previously
1003  * @creq: The data used as input when the surface was created, as described
1005  * @crep: Additional data output when the surface was created, as described
1018  * @req: Input data as described above at "struct drm_vmw_surface_arg"
1019  * @rep: Output data as described above at "struct drm_vmw_gb_surface_ref_rep"
1031  * DRM_VMW_SYNCCPU - Sync a DMA buffer / MOB for CPU access.
1037  * The flags argument indicates how the grab / release operation should be
1042  * enum drm_vmw_synccpu_flags - Synccpu flags:
1046  * for read-only.
1050  * -EBUSY should the buffer be busy.
1055 enum drm_vmw_synccpu_flags {
1063  * enum drm_vmw_synccpu_op - Synccpu operations:
1068 enum drm_vmw_synccpu_op {
1076  * @op:			     The synccpu operation as described above.
1078  * @flags:		     Flags as described above.
1081 	enum drm_vmw_synccpu_op op;
1082 	enum drm_vmw_synccpu_flags flags;  member
1089  * DRM_VMW_CREATE_EXTENDED_CONTEXT - Create a host context.
1094 enum drm_vmw_extended_context {
1108 	enum drm_vmw_extended_context req;
1114  * DRM_VMW_HANDLE_CLOSE - Close a user-space handle and release its
1136  * DRM_VMW_GB_SURFACE_CREATE_EXT - Create a host guest-backed surface.
1140  * be used as the surface ID in commands referencing the surface.
1147  * enum drm_vmw_surface_version
1150  * svga3d surface flags split into 2, upper half and lower half.
1152 enum drm_vmw_surface_version {
1161  * @svga3d_flags_upper_32_bits: Upper 32 bits of svga3d flags.
1172 	enum drm_vmw_surface_version version;
1183  * @req: Input argument as described above.
1184  * @rep: Output argument as described above.
1195  * DRM_VMW_GB_SURFACE_REF_EXT - Reference a host surface.
1197  * Puts a reference on a host surface with a given handle, as previously
1210  * @creq: The data used as input when the surface was created, as described
1212  * @crep: Additional data output when the surface was created, as described
1225  * @req: Input data as described above at "struct drm_vmw_surface_arg"
1226  * @rep: Output data as described above at
1239  * @send: Pointer to user-space msg string (null terminated).
1240  * @receive: Pointer to user-space receive buffer.
1255  * @stat: Pointer to user-space stat-counters array, page-aligned.
1256  * @info: Pointer to user-space counter-infos array, page-aligned.
1257  * @strs: Pointer to user-space stat strings, page-aligned.
1258  * @stat_len: Length in bytes of stat-counters array.
1259  * @info_len: Length in bytes of counter-infos array.
1263  * @id: Output identifier of the produced record; -1 if error.