[PATCH 03/33] drm/vmwgfx: Update the driver user-space interface for guest-backed objects
Thomas Hellstrom
thellstrom at vmware.com
Thu Jan 16 12:38:51 PST 2014
Not hooked up yet. This is only the definition.
Signed-off-by: Thomas Hellstrom <thellstrom at vmware.com>
Reviewed-by: Brian Paul <brianp at vmware.com>
Reviewed-by: Zack Rusin <zackr at vmware.com>
Conflicts:
include/uapi/drm/vmwgfx_drm.h
---
include/uapi/drm/vmwgfx_drm.h | 199 ++++++++++++++++++++++++++++++++++++++++++
1 file changed, 199 insertions(+)
diff --git a/include/uapi/drm/vmwgfx_drm.h b/include/uapi/drm/vmwgfx_drm.h
index bcb0912..39ab12f 100644
--- a/include/uapi/drm/vmwgfx_drm.h
+++ b/include/uapi/drm/vmwgfx_drm.h
@@ -55,6 +55,11 @@
#define DRM_VMW_PRESENT 18
#define DRM_VMW_PRESENT_READBACK 19
#define DRM_VMW_UPDATE_LAYOUT 20
+#define DRM_VMW_CREATE_SHADER 21
+#define DRM_VMW_UNREF_SHADER 22
+#define DRM_VMW_GB_SURFACE_CREATE 23
+#define DRM_VMW_GB_SURFACE_REF 24
+
/*************************************************************************/
/**
@@ -75,6 +80,8 @@
#define DRM_VMW_PARAM_FIFO_CAPS 4
#define DRM_VMW_PARAM_MAX_FB_SIZE 5
#define DRM_VMW_PARAM_FIFO_HW_VERSION 6
+#define DRM_VMW_PARAM_MAX_SURF_MEMORY 7
+#define DRM_VMW_PARAM_3D_CAPS_SIZE 8
/**
* struct drm_vmw_getparam_arg
@@ -787,4 +794,196 @@ struct drm_vmw_update_layout_arg {
uint64_t rects;
};
+
+/*************************************************************************/
+/**
+ * DRM_VMW_CREATE_SHADER - Create shader
+ *
+ * Creates a shader and optionally binds it to a dma buffer containing
+ * the shader byte-code.
+ */
+
+/**
+ * enum drm_vmw_shader_type - Shader types
+ */
+enum drm_vmw_shader_type {
+ drm_vmw_shader_type_vs = 0,
+ drm_vmw_shader_type_ps,
+ drm_vmw_shader_type_gs
+};
+
+
+/**
+ * struct drm_vmw_shader_create_arg
+ *
+ * @shader_type: Shader type of the shader to create.
+ * @size: Size of the byte-code in bytes.
+ * where the shader byte-code starts
+ * @buffer_handle: Buffer handle identifying the buffer containing the
+ * shader byte-code
+ * @shader_handle: On successful completion contains a handle that
+ * can be used to subsequently identify the shader.
+ * @offset: Offset in bytes into the buffer given by @buffer_handle,
+ *
+ * Input / Output argument to the DRM_VMW_CREATE_SHADER Ioctl.
+ */
+struct drm_vmw_shader_create_arg {
+ enum drm_vmw_shader_type shader_type;
+ uint32_t size;
+ uint32_t buffer_handle;
+ uint32_t shader_handle;
+ uint64_t offset;
+};
+
+/*************************************************************************/
+/**
+ * DRM_VMW_UNREF_SHADER - Unreferences a shader
+ *
+ * Destroys a user-space reference to a shader, optionally destroying
+ * it.
+ */
+
+/**
+ * struct drm_vmw_shader_arg
+ *
+ * @handle: Handle identifying the shader to destroy.
+ *
+ * Input argument to the DRM_VMW_UNREF_SHADER ioctl.
+ */
+struct drm_vmw_shader_arg {
+ uint32_t handle;
+ uint32_t pad64;
+};
+
+/*************************************************************************/
+/**
+ * DRM_VMW_GB_SURFACE_CREATE - Create a host guest-backed surface.
+ *
+ * Allocates a surface handle and queues a create surface command
+ * for the host on the first use of the surface. The surface ID can
+ * be used as the surface ID in commands referencing the surface.
+ */
+
+/**
+ * enum drm_vmw_surface_flags
+ *
+ * @drm_vmw_surface_flag_shareable: Whether the surface is shareable
+ * @drm_vmw_surface_flag_scanout: Whether the surface is a scanout
+ * surface.
+ * @drm_vmw_surface_flag_create_buffer: Create a backup buffer if none is
+ * given.
+ */
+enum drm_vmw_surface_flags {
+ drm_vmw_surface_flag_shareable = (1 << 0),
+ drm_vmw_surface_flag_scanout = (1 << 1),
+ drm_vmw_surface_flag_create_buffer = (1 << 2)
+};
+
+/**
+ * struct drm_vmw_gb_surface_create_req
+ *
+ * @svga3d_flags: SVGA3d surface flags for the device.
+ * @format: SVGA3d format.
+ * @mip_level: Number of mip levels for all faces.
+ * @drm_surface_flags Flags as described above.
+ * @multisample_count Future use. Set to 1.
+ * @autogen_filter Future use. Set to 0.
+ * @buffer_handle Buffer handle of backup buffer. SVGA3D_INVALID_ID
+ * if none.
+ * @base_size Size of the base mip level for all faces.
+ *
+ * Input argument to the DRM_VMW_GB_SURFACE_CREATE Ioctl.
+ * Part of output argument for the DRM_VMW_GB_SURFACE_REF Ioctl.
+ */
+struct drm_vmw_gb_surface_create_req {
+ uint32_t svga3d_flags;
+ uint32_t format;
+ uint32_t mip_levels;
+ enum drm_vmw_surface_flags drm_surface_flags;
+ uint32_t multisample_count;
+ uint32_t autogen_filter;
+ uint32_t buffer_handle;
+ uint32_t pad64;
+ struct drm_vmw_size base_size;
+};
+
+/**
+ * struct drm_vmw_gb_surface_create_rep
+ *
+ * @handle: Surface handle.
+ * @backup_size: Size of backup buffers for this surface.
+ * @buffer_handle: Handle of backup buffer. SVGA3D_INVALID_ID if none.
+ * @buffer_size: Actual size of the buffer identified by
+ * @buffer_handle
+ * @buffer_map_handle: Offset into device address space for the buffer
+ * identified by @buffer_handle.
+ *
+ * Part of output argument for the DRM_VMW_GB_SURFACE_REF ioctl.
+ * Output argument for the DRM_VMW_GB_SURFACE_CREATE ioctl.
+ */
+struct drm_vmw_gb_surface_create_rep {
+ uint32_t handle;
+ uint32_t backup_size;
+ uint32_t buffer_handle;
+ uint32_t buffer_size;
+ uint64_t buffer_map_handle;
+};
+
+/**
+ * union drm_vmw_gb_surface_create_arg
+ *
+ * @req: Input argument as described above.
+ * @rep: Output argument as described above.
+ *
+ * Argument to the DRM_VMW_GB_SURFACE_CREATE ioctl.
+ */
+union drm_vmw_gb_surface_create_arg {
+ struct drm_vmw_gb_surface_create_rep rep;
+ struct drm_vmw_gb_surface_create_req req;
+};
+
+/*************************************************************************/
+/**
+ * DRM_VMW_GB_SURFACE_REF - Reference a host surface.
+ *
+ * Puts a reference on a host surface with a given handle, as previously
+ * returned by the DRM_VMW_GB_SURFACE_CREATE ioctl.
+ * A reference will make sure the surface isn't destroyed while we hold
+ * it and will allow the calling client to use the surface handle in
+ * the command stream.
+ *
+ * On successful return, the Ioctl returns the surface information given
+ * to and returned from the DRM_VMW_GB_SURFACE_CREATE ioctl.
+ */
+
+/**
+ * struct drm_vmw_gb_surface_reference_arg
+ *
+ * @creq: The data used as input when the surface was created, as described
+ * above at "struct drm_vmw_gb_surface_create_req"
+ * @crep: Additional data output when the surface was created, as described
+ * above at "struct drm_vmw_gb_surface_create_rep"
+ *
+ * Output Argument to the DRM_VMW_GB_SURFACE_REF ioctl.
+ */
+struct drm_vmw_gb_surface_ref_rep {
+ struct drm_vmw_gb_surface_create_req creq;
+ struct drm_vmw_gb_surface_create_rep crep;
+};
+
+/**
+ * union drm_vmw_gb_surface_reference_arg
+ *
+ * @req: Input data as described above at "struct drm_vmw_surface_arg"
+ * @rep: Output data as described above at "struct drm_vmw_gb_surface_ref_rep"
+ *
+ * Argument to the DRM_VMW_GB_SURFACE_REF Ioctl.
+ */
+union drm_vmw_gb_surface_reference_arg {
+ struct drm_vmw_gb_surface_ref_rep rep;
+ struct drm_vmw_surface_arg req;
+};
+
+
+
#endif
--
1.8.3.2
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