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Commit b47c175e authored by Lingfeng Yang's avatar Lingfeng Yang Committed by Alistair Delva
Browse files

CHROMIUM: drm/virtgpu: expose new ioctls to userspace 

These are necessary for creating new types of resources and
memories.

BUG=chromium:924405
TEST=compile

Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/kernel/+/1629910


Reviewed-by: default avatarRobert Tarasov <tutankhamen@chromium.org>
Commit-Queue: Gurchetan Singh <gurchetansingh@chromium.org>
Tested-by: default avatarGurchetan Singh <gurchetansingh@chromium.org>
Bug: 153580313
Signed-off-by: default avatarLingfeng Yang <lfy@google.com>
Change-Id: Iec22f634000bad1a8713e690db3774d0ab96408d
parent 58d06488

include/uapi/drm/virtgpu_drm.h

+53 −0
Original line number Diff line number Diff line
@@ -46,6 +46,9 @@ extern "C" { 
#define DRM_VIRTGPU_TRANSFER_TO_HOST 0x07

#define DRM_VIRTGPU_WAIT     0x08

#define DRM_VIRTGPU_GET_CAPS  0x09

#define DRM_VIRTGPU_RESOURCE_CREATE_V2 0x0a

#define DRM_VIRTGPU_ALLOCATION_METADATA_REQUEST  0x0b

#define DRM_VIRTGPU_ALLOCATION_METADATA_RESPONSE 0x0c



#define VIRTGPU_EXECBUF_FENCE_FD_IN	0x01

#define VIRTGPU_EXECBUF_FENCE_FD_OUT	0x02
@@ -71,6 +74,19 @@ struct drm_virtgpu_execbuffer { 


#define VIRTGPU_PARAM_3D_FEATURES 1 /* do we have 3D features in the hw */

#define VIRTGPU_PARAM_CAPSET_QUERY_FIX 2 /* do we have the capset fix */

#define VIRTGPU_PARAM_RESOURCE_V2 3

#define VIRTGPU_PARAM_SHARED_GUEST 4

#define VIRTGPU_PARAM_HOST_COHERENT 5



#define VIRTGPU_MEMORY_UNDEFINED 0

#define VIRTGPU_MEMORY_TRANSFER 1

#define VIRTGPU_MEMORY_SHARED_GUEST 2

#define VIRTGPU_MEMORY_HOST_COHERENT 3



#define VIRTGPU_UNDEFINED_CACHING 0

#define VIRTGPU_CACHED 1

#define VIRTGPU_WRITE_COMBINE 2

#define VIRTGPU_UNCACHED 3



struct drm_virtgpu_getparam {

	__u64 param;
@@ -140,6 +156,31 @@ struct drm_virtgpu_get_caps { 
	__u32 pad;

};



struct drm_virtgpu_resource_create_v2 {

	__u32 resource_id;

	__u32 guest_memory_type;

	__u32 caching_type;

	__u32 args_size;

	__u32 gem_handle;

	__u64 size;

	__u64 args; /* void */

};



struct drm_virtgpu_allocation_metadata_request {

	__u32 request_id;

	__u32 pad;

	__u32 request_size;

	__u32 response_size;

	__u64 request; /* void */

};



struct drm_virtgpu_allocation_metadata_response {

	__u32 request_id;

	__u32 pad;

	__u32 response_size;

	__u64 response; /* void */

};



#define DRM_IOCTL_VIRTGPU_MAP \

	DRM_IOWR(DRM_COMMAND_BASE + DRM_VIRTGPU_MAP, struct drm_virtgpu_map)
@@ -175,6 +216,18 @@ struct drm_virtgpu_get_caps { 
	DRM_IOWR(DRM_COMMAND_BASE + DRM_VIRTGPU_GET_CAPS, \

	struct drm_virtgpu_get_caps)



#define DRM_IOCTL_VIRTGPU_RESOURCE_CREATE_V2 \

	DRM_IOWR(DRM_COMMAND_BASE + DRM_VIRTGPU_RESOURCE_CREATE_V2, \

	struct drm_virtgpu_resource_create_v2)



#define DRM_IOCTL_VIRTGPU_ALLOCATION_METADATA_REQUEST \

	DRM_IOWR(DRM_COMMAND_BASE + DRM_VIRTGPU_ALLOCATION_METADATA_REQUEST, \

	struct drm_virtgpu_allocation_metadata_request)



#define DRM_IOCTL_VIRTGPU_ALLOCATION_METADATA_RESPONSE \

	DRM_IOWR(DRM_COMMAND_BASE + DRM_VIRTGPU_ALLOCATION_METADATA_RESPONSE, \

	struct drm_virtgpu_allocation_metadata_response)



#if defined(__cplusplus)

}

#endif