drm/vmwgfx: Update the driver user-space interface for guest-backed objects
Not hooked up yet. This is only the definition. Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Reviewed-by: Brian Paul <brianp@vmware.com> Reviewed-by: Zack Rusin <zackr@vmware.com> Conflicts: include/uapi/drm/vmwgfx_drm.h
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Thomas Hellstrom
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d9019498dd
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@ -55,6 +55,11 @@
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#define DRM_VMW_PRESENT 18
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#define DRM_VMW_PRESENT_READBACK 19
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#define DRM_VMW_UPDATE_LAYOUT 20
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#define DRM_VMW_CREATE_SHADER 21
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#define DRM_VMW_UNREF_SHADER 22
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#define DRM_VMW_GB_SURFACE_CREATE 23
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#define DRM_VMW_GB_SURFACE_REF 24
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/*************************************************************************/
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/**
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@ -75,6 +80,8 @@
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#define DRM_VMW_PARAM_FIFO_CAPS 4
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#define DRM_VMW_PARAM_MAX_FB_SIZE 5
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#define DRM_VMW_PARAM_FIFO_HW_VERSION 6
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#define DRM_VMW_PARAM_MAX_SURF_MEMORY 7
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#define DRM_VMW_PARAM_3D_CAPS_SIZE 8
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/**
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* struct drm_vmw_getparam_arg
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@ -787,4 +794,196 @@ struct drm_vmw_update_layout_arg {
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uint64_t rects;
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};
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/*************************************************************************/
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/**
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* DRM_VMW_CREATE_SHADER - Create shader
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*
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* Creates a shader and optionally binds it to a dma buffer containing
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* the shader byte-code.
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*/
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/**
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* enum drm_vmw_shader_type - Shader types
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*/
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enum drm_vmw_shader_type {
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drm_vmw_shader_type_vs = 0,
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drm_vmw_shader_type_ps,
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drm_vmw_shader_type_gs
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};
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/**
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* struct drm_vmw_shader_create_arg
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*
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* @shader_type: Shader type of the shader to create.
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* @size: Size of the byte-code in bytes.
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* where the shader byte-code starts
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* @buffer_handle: Buffer handle identifying the buffer containing the
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* shader byte-code
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* @shader_handle: On successful completion contains a handle that
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* can be used to subsequently identify the shader.
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* @offset: Offset in bytes into the buffer given by @buffer_handle,
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*
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* Input / Output argument to the DRM_VMW_CREATE_SHADER Ioctl.
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*/
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struct drm_vmw_shader_create_arg {
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enum drm_vmw_shader_type shader_type;
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uint32_t size;
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uint32_t buffer_handle;
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uint32_t shader_handle;
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uint64_t offset;
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};
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/*************************************************************************/
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/**
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* DRM_VMW_UNREF_SHADER - Unreferences a shader
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*
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* Destroys a user-space reference to a shader, optionally destroying
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* it.
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*/
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/**
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* struct drm_vmw_shader_arg
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*
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* @handle: Handle identifying the shader to destroy.
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*
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* Input argument to the DRM_VMW_UNREF_SHADER ioctl.
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*/
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struct drm_vmw_shader_arg {
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uint32_t handle;
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uint32_t pad64;
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};
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/*************************************************************************/
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/**
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* DRM_VMW_GB_SURFACE_CREATE - Create a host guest-backed surface.
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*
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* Allocates a surface handle and queues a create surface command
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* for the host on the first use of the surface. The surface ID can
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* be used as the surface ID in commands referencing the surface.
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*/
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/**
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* enum drm_vmw_surface_flags
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*
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* @drm_vmw_surface_flag_shareable: Whether the surface is shareable
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* @drm_vmw_surface_flag_scanout: Whether the surface is a scanout
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* surface.
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* @drm_vmw_surface_flag_create_buffer: Create a backup buffer if none is
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* given.
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*/
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enum drm_vmw_surface_flags {
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drm_vmw_surface_flag_shareable = (1 << 0),
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drm_vmw_surface_flag_scanout = (1 << 1),
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drm_vmw_surface_flag_create_buffer = (1 << 2)
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};
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/**
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* struct drm_vmw_gb_surface_create_req
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*
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* @svga3d_flags: SVGA3d surface flags for the device.
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* @format: SVGA3d format.
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* @mip_level: Number of mip levels for all faces.
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* @drm_surface_flags Flags as described above.
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* @multisample_count Future use. Set to 1.
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* @autogen_filter Future use. Set to 0.
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* @buffer_handle Buffer handle of backup buffer. SVGA3D_INVALID_ID
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* if none.
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* @base_size Size of the base mip level for all faces.
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*
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* Input argument to the DRM_VMW_GB_SURFACE_CREATE Ioctl.
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* Part of output argument for the DRM_VMW_GB_SURFACE_REF Ioctl.
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*/
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struct drm_vmw_gb_surface_create_req {
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uint32_t svga3d_flags;
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uint32_t format;
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uint32_t mip_levels;
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enum drm_vmw_surface_flags drm_surface_flags;
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uint32_t multisample_count;
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uint32_t autogen_filter;
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uint32_t buffer_handle;
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uint32_t pad64;
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struct drm_vmw_size base_size;
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};
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/**
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* struct drm_vmw_gb_surface_create_rep
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*
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* @handle: Surface handle.
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* @backup_size: Size of backup buffers for this surface.
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* @buffer_handle: Handle of backup buffer. SVGA3D_INVALID_ID if none.
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* @buffer_size: Actual size of the buffer identified by
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* @buffer_handle
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* @buffer_map_handle: Offset into device address space for the buffer
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* identified by @buffer_handle.
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*
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* Part of output argument for the DRM_VMW_GB_SURFACE_REF ioctl.
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* Output argument for the DRM_VMW_GB_SURFACE_CREATE ioctl.
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*/
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struct drm_vmw_gb_surface_create_rep {
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uint32_t handle;
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uint32_t backup_size;
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uint32_t buffer_handle;
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uint32_t buffer_size;
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uint64_t buffer_map_handle;
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};
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/**
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* union drm_vmw_gb_surface_create_arg
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*
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* @req: Input argument as described above.
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* @rep: Output argument as described above.
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*
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* Argument to the DRM_VMW_GB_SURFACE_CREATE ioctl.
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*/
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union drm_vmw_gb_surface_create_arg {
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struct drm_vmw_gb_surface_create_rep rep;
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struct drm_vmw_gb_surface_create_req req;
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};
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/*************************************************************************/
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/**
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* DRM_VMW_GB_SURFACE_REF - Reference a host surface.
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*
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* Puts a reference on a host surface with a given handle, as previously
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* returned by the DRM_VMW_GB_SURFACE_CREATE ioctl.
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* A reference will make sure the surface isn't destroyed while we hold
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* it and will allow the calling client to use the surface handle in
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* the command stream.
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*
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* On successful return, the Ioctl returns the surface information given
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* to and returned from the DRM_VMW_GB_SURFACE_CREATE ioctl.
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*/
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/**
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* struct drm_vmw_gb_surface_reference_arg
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*
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* @creq: The data used as input when the surface was created, as described
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* above at "struct drm_vmw_gb_surface_create_req"
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* @crep: Additional data output when the surface was created, as described
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* above at "struct drm_vmw_gb_surface_create_rep"
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*
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* Output Argument to the DRM_VMW_GB_SURFACE_REF ioctl.
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*/
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struct drm_vmw_gb_surface_ref_rep {
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struct drm_vmw_gb_surface_create_req creq;
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struct drm_vmw_gb_surface_create_rep crep;
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};
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/**
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* union drm_vmw_gb_surface_reference_arg
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*
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* @req: Input data as described above at "struct drm_vmw_surface_arg"
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* @rep: Output data as described above at "struct drm_vmw_gb_surface_ref_rep"
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*
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* Argument to the DRM_VMW_GB_SURFACE_REF Ioctl.
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*/
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union drm_vmw_gb_surface_reference_arg {
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struct drm_vmw_gb_surface_ref_rep rep;
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struct drm_vmw_surface_arg req;
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};
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#endif
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