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drm/vmwgfx: Add new ioctl for GB surface create and reference

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New ioctls DRM_VMW_GB_SURFACE_CREATE_EXT and DRM_VMW_GB_SURFACE_REF_EXT
are added which support 64-bit wide svga device surface flags, quality
level and multisample pattern.

Signed-off-by: Deepak Rawat <drawat@vmware.com>
Reviewed-by: Sinclair Yeh <syeh@vmware.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Charmaine Lee <charmainel@vmware.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
This commit is contained in:
Deepak Rawat
2018-06-20 14:48:35 -07:00
committed by Thomas Hellstrom
parent 397a11175f
commit 14b1c33e84
6 changed files with 437 additions and 175 deletions
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102
include/uapi/drm/vmwgfx_drm.h
View File

@@ -69,6 +69,8 @@ extern "C" {
#define DRM_VMW_GB_SURFACE_REF 24
#define DRM_VMW_SYNCCPU 25
#define DRM_VMW_CREATE_EXTENDED_CONTEXT 26
#define DRM_VMW_GB_SURFACE_CREATE_EXT 27
#define DRM_VMW_GB_SURFACE_REF_EXT 28
/*************************************************************************/
/**
@@ -1105,6 +1107,106 @@ struct drm_vmw_handle_close_arg {
};
#define drm_vmw_unref_dmabuf_arg drm_vmw_handle_close_arg
/*************************************************************************/
/**
* DRM_VMW_GB_SURFACE_CREATE_EXT - 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.
*
* This new command extends DRM_VMW_GB_SURFACE_CREATE by adding version
* parameter and 64 bit svga flag.
*/
/**
* enum drm_vmw_surface_version
*
* @drm_vmw_surface_gb_v1: Corresponds to current gb surface format with
* svga3d surface flags split into 2, upper half and lower half.
*/
enum drm_vmw_surface_version {
drm_vmw_gb_surface_v1
};
/**
* struct drm_vmw_gb_surface_create_ext_req
*
* @base: Surface create parameters.
* @version: Version of surface create ioctl.
* @svga3d_flags_upper_32_bits: Upper 32 bits of svga3d flags.
* @multisample_pattern: Multisampling pattern when msaa is supported.
* @quality_level: Precision settings for each sample.
* @must_be_zero: Reserved for future usage.
*
* Input argument to the DRM_VMW_GB_SURFACE_CREATE_EXT Ioctl.
* Part of output argument for the DRM_VMW_GB_SURFACE_REF_EXT Ioctl.
*/
struct drm_vmw_gb_surface_create_ext_req {
struct drm_vmw_gb_surface_create_req base;
enum drm_vmw_surface_version version;
uint32_t svga3d_flags_upper_32_bits;
SVGA3dMSPattern multisample_pattern;
SVGA3dMSQualityLevel quality_level;
uint64_t must_be_zero;
};
/**
* union drm_vmw_gb_surface_create_ext_arg
*
* @req: Input argument as described above.
* @rep: Output argument as described above.
*
* Argument to the DRM_VMW_GB_SURFACE_CREATE_EXT ioctl.
*/
union drm_vmw_gb_surface_create_ext_arg {
struct drm_vmw_gb_surface_create_rep rep;
struct drm_vmw_gb_surface_create_ext_req req;
};
/*************************************************************************/
/**
* DRM_VMW_GB_SURFACE_REF_EXT - 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_EXT 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_EXT ioctl.
*/
/**
* struct drm_vmw_gb_surface_ref_ext_rep
*
* @creq: The data used as input when the surface was created, as described
* above at "struct drm_vmw_gb_surface_create_ext_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_EXT ioctl.
*/
struct drm_vmw_gb_surface_ref_ext_rep {
struct drm_vmw_gb_surface_create_ext_req creq;
struct drm_vmw_gb_surface_create_rep crep;
};
/**
* union drm_vmw_gb_surface_reference_ext_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_ext_rep"
*
* Argument to the DRM_VMW_GB_SURFACE_REF Ioctl.
*/
union drm_vmw_gb_surface_reference_ext_arg {
struct drm_vmw_gb_surface_ref_ext_rep rep;
struct drm_vmw_surface_arg req;
};
#if defined(__cplusplus)
}
#endif