include/uapi/drm/virtgpu_drm.h - third_party/linux - Git at Google

 /*
  * Copyright 2013 Red Hat
  * All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
  * to deal in the Software without restriction, including without limitation
  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  * and/or sell copies of the Software, and to permit persons to whom the
  * Software is furnished to do so, subject to the following conditions:
  *
  * The above copyright notice and this permission notice (including the next
  * paragraph) shall be included in all copies or substantial portions of the
  * Software.
  *
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  * THE AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  * OTHER DEALINGS IN THE SOFTWARE.
  */
 #ifndef VIRTGPU_DRM_H
 #define VIRTGPU_DRM_H

 #include "drm.h"

 #if defined(__cplusplus)
 extern "C" {
 #endif

 /* Please note that modifications to all structs defined here are
  * subject to backwards-compatibility constraints.
  *
  * Do not use pointers, use __u64 instead for 32 bit / 64 bit user/kernel
  * compatibility Keep fields aligned to their size
  */

 #define DRM_VIRTGPU_MAP         0x01
 #define DRM_VIRTGPU_EXECBUFFER  0x02
 #define DRM_VIRTGPU_GETPARAM    0x03
 #define DRM_VIRTGPU_RESOURCE_CREATE 0x04
 #define DRM_VIRTGPU_RESOURCE_INFO     0x05
 #define DRM_VIRTGPU_TRANSFER_FROM_HOST 0x06
 #define DRM_VIRTGPU_TRANSFER_TO_HOST 0x07
 #define DRM_VIRTGPU_WAIT     0x08
 #define DRM_VIRTGPU_GET_CAPS  0x09
 #define DRM_VIRTGPU_RESOURCE_CREATE_BLOB 0x0a
 #define DRM_VIRTGPU_CONTEXT_INIT 0x0b

 #define VIRTGPU_EXECBUF_FENCE_FD_IN	0x01
 #define VIRTGPU_EXECBUF_FENCE_FD_OUT	0x02
 #define VIRTGPU_EXECBUF_RING_IDX	0x04
 #define VIRTGPU_EXECBUF_FLAGS  (\
 		VIRTGPU_EXECBUF_FENCE_FD_IN |\
 		VIRTGPU_EXECBUF_FENCE_FD_OUT |\
 		VIRTGPU_EXECBUF_RING_IDX |\
 		0)

 struct drm_virtgpu_map {
 	__u64 offset; /* use for mmap system call */
 	__u32 handle;
 	__u32 pad;
 };

 #define VIRTGPU_EXECBUF_SYNCOBJ_RESET		0x01
 #define VIRTGPU_EXECBUF_SYNCOBJ_FLAGS ( \
 		VIRTGPU_EXECBUF_SYNCOBJ_RESET | \
 		0)
 struct drm_virtgpu_execbuffer_syncobj {
 	__u32 handle;
 	__u32 flags;
 	__u64 point;
 };

 /* fence_fd is modified on success if VIRTGPU_EXECBUF_FENCE_FD_OUT flag is set. */
 struct drm_virtgpu_execbuffer {
 	__u32 flags;
 	__u32 size;
 	__u64 command; /* void* */
 	__u64 bo_handles;
 	__u32 num_bo_handles;
 	__s32 fence_fd; /* in/out fence fd (see VIRTGPU_EXECBUF_FENCE_FD_IN/OUT) */
 	__u32 ring_idx; /* command ring index (see VIRTGPU_EXECBUF_RING_IDX) */
 	__u32 syncobj_stride; /* size of @drm_virtgpu_execbuffer_syncobj */
 	__u32 num_in_syncobjs;
 	__u32 num_out_syncobjs;
 	__u64 in_syncobjs;
 	__u64 out_syncobjs;
 };

 #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_BLOB 3 /* DRM_VIRTGPU_RESOURCE_CREATE_BLOB */
 #define VIRTGPU_PARAM_HOST_VISIBLE 4 /* Host blob resources are mappable */
 #define VIRTGPU_PARAM_CROSS_DEVICE 5 /* Cross virtio-device resource sharing  */
 #define VIRTGPU_PARAM_CONTEXT_INIT 6 /* DRM_VIRTGPU_CONTEXT_INIT */
 #define VIRTGPU_PARAM_SUPPORTED_CAPSET_IDs 7 /* Bitmask of supported capability set ids */
 #define VIRTGPU_PARAM_EXPLICIT_DEBUG_NAME 8 /* Ability to set debug name from userspace */

 struct drm_virtgpu_getparam {
 	__u64 param;
 	__u64 value;
 };

 /* NO_BO flags? NO resource flag? */
 /* resource flag for y_0_top */
 struct drm_virtgpu_resource_create {
 	__u32 target;
 	__u32 format;
 	__u32 bind;
 	__u32 width;
 	__u32 height;
 	__u32 depth;
 	__u32 array_size;
 	__u32 last_level;
 	__u32 nr_samples;
 	__u32 flags;
 	__u32 bo_handle; /* if this is set - recreate a new resource attached to this bo ? */
 	__u32 res_handle;  /* returned by kernel */
 	__u32 size;        /* validate transfer in the host */
 	__u32 stride;      /* validate transfer in the host */
 };

 struct drm_virtgpu_resource_info {
 	__u32 bo_handle;
 	__u32 res_handle;
 	__u32 size;
 	__u32 blob_mem;
 };

 struct drm_virtgpu_3d_box {
 	__u32 x;
 	__u32 y;
 	__u32 z;
 	__u32 w;
 	__u32 h;
 	__u32 d;
 };

 struct drm_virtgpu_3d_transfer_to_host {
 	__u32 bo_handle;
 	struct drm_virtgpu_3d_box box;
 	__u32 level;
 	__u32 offset;
 	__u32 stride;
 	__u32 layer_stride;
 };

 struct drm_virtgpu_3d_transfer_from_host {
 	__u32 bo_handle;
 	struct drm_virtgpu_3d_box box;
 	__u32 level;
 	__u32 offset;
 	__u32 stride;
 	__u32 layer_stride;
 };

 #define VIRTGPU_WAIT_NOWAIT 1 /* like it */
 struct drm_virtgpu_3d_wait {
 	__u32 handle; /* 0 is an invalid handle */
 	__u32 flags;
 };

 struct drm_virtgpu_get_caps {
 	__u32 cap_set_id;
 	__u32 cap_set_ver;
 	__u64 addr;
 	__u32 size;
 	__u32 pad;
 };

 struct drm_virtgpu_resource_create_blob {
 #define VIRTGPU_BLOB_MEM_GUEST             0x0001
 #define VIRTGPU_BLOB_MEM_HOST3D            0x0002
 #define VIRTGPU_BLOB_MEM_HOST3D_GUEST      0x0003

 #define VIRTGPU_BLOB_FLAG_USE_MAPPABLE     0x0001
 #define VIRTGPU_BLOB_FLAG_USE_SHAREABLE    0x0002
 #define VIRTGPU_BLOB_FLAG_USE_CROSS_DEVICE 0x0004
 	/* zero is invalid blob_mem */
 	__u32 blob_mem;
 	__u32 blob_flags;
 	__u32 bo_handle;
 	__u32 res_handle;
 	__u64 size;

 	/*
 	 * for 3D contexts with VIRTGPU_BLOB_MEM_HOST3D_GUEST and
 	 * VIRTGPU_BLOB_MEM_HOST3D otherwise, must be zero.
 	 */
 	__u32 pad;
 	__u32 cmd_size;
 	__u64 cmd;
 	__u64 blob_id;
 };

 #define VIRTGPU_CONTEXT_PARAM_CAPSET_ID       0x0001
 #define VIRTGPU_CONTEXT_PARAM_NUM_RINGS       0x0002
 #define VIRTGPU_CONTEXT_PARAM_POLL_RINGS_MASK 0x0003
 #define VIRTGPU_CONTEXT_PARAM_DEBUG_NAME      0x0004
 struct drm_virtgpu_context_set_param {
 	__u64 param;
 	__u64 value;
 };

 struct drm_virtgpu_context_init {
 	__u32 num_params;
 	__u32 pad;

 	/* pointer to drm_virtgpu_context_set_param array */
 	__u64 ctx_set_params;
 };

 /*
  * Event code that's given when VIRTGPU_CONTEXT_PARAM_POLL_RINGS_MASK is in
  * effect.  The event size is sizeof(drm_event), since there is no additional
  * payload.
  */
 #define VIRTGPU_EVENT_FENCE_SIGNALED 0x90000000

 #define DRM_IOCTL_VIRTGPU_MAP \
 	DRM_IOWR(DRM_COMMAND_BASE + DRM_VIRTGPU_MAP, struct drm_virtgpu_map)

 #define DRM_IOCTL_VIRTGPU_EXECBUFFER \
 	DRM_IOWR(DRM_COMMAND_BASE + DRM_VIRTGPU_EXECBUFFER,\
 		struct drm_virtgpu_execbuffer)

 #define DRM_IOCTL_VIRTGPU_GETPARAM \
 	DRM_IOWR(DRM_COMMAND_BASE + DRM_VIRTGPU_GETPARAM,\
 		struct drm_virtgpu_getparam)

 #define DRM_IOCTL_VIRTGPU_RESOURCE_CREATE			\
 	DRM_IOWR(DRM_COMMAND_BASE + DRM_VIRTGPU_RESOURCE_CREATE,	\
 		struct drm_virtgpu_resource_create)

 #define DRM_IOCTL_VIRTGPU_RESOURCE_INFO \
 	DRM_IOWR(DRM_COMMAND_BASE + DRM_VIRTGPU_RESOURCE_INFO, \
 		 struct drm_virtgpu_resource_info)

 #define DRM_IOCTL_VIRTGPU_TRANSFER_FROM_HOST \
 	DRM_IOWR(DRM_COMMAND_BASE + DRM_VIRTGPU_TRANSFER_FROM_HOST,	\
 		struct drm_virtgpu_3d_transfer_from_host)

 #define DRM_IOCTL_VIRTGPU_TRANSFER_TO_HOST \
 	DRM_IOWR(DRM_COMMAND_BASE + DRM_VIRTGPU_TRANSFER_TO_HOST,	\
 		struct drm_virtgpu_3d_transfer_to_host)

 #define DRM_IOCTL_VIRTGPU_WAIT				\
 	DRM_IOWR(DRM_COMMAND_BASE + DRM_VIRTGPU_WAIT,	\
 		struct drm_virtgpu_3d_wait)

 #define DRM_IOCTL_VIRTGPU_GET_CAPS \
 	DRM_IOWR(DRM_COMMAND_BASE + DRM_VIRTGPU_GET_CAPS, \
 	struct drm_virtgpu_get_caps)

 #define DRM_IOCTL_VIRTGPU_RESOURCE_CREATE_BLOB				\
 	DRM_IOWR(DRM_COMMAND_BASE + DRM_VIRTGPU_RESOURCE_CREATE_BLOB,	\
 		struct drm_virtgpu_resource_create_blob)

 #define DRM_IOCTL_VIRTGPU_CONTEXT_INIT					\
 	DRM_IOWR(DRM_COMMAND_BASE + DRM_VIRTGPU_CONTEXT_INIT,		\
 		struct drm_virtgpu_context_init)

 #if defined(__cplusplus)
 }
 #endif

 #endif
	/*
	* Copyright 2013 Red Hat
	* All Rights Reserved.
	*
	* Permission is hereby granted, free of charge, to any person obtaining a
	* copy of this software and associated documentation files (the "Software"),
	* to deal in the Software without restriction, including without limitation
	* the rights to use, copy, modify, merge, publish, distribute, sublicense,
	* and/or sell copies of the Software, and to permit persons to whom the
	* Software is furnished to do so, subject to the following conditions:
	*
	* The above copyright notice and this permission notice (including the next
	* paragraph) shall be included in all copies or substantial portions of the
	* Software.
	*
	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
	* THE AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
	* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
	* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
	* OTHER DEALINGS IN THE SOFTWARE.
	*/
	#ifndef VIRTGPU_DRM_H
	#define VIRTGPU_DRM_H

	#include "drm.h"

	#if defined(__cplusplus)
	extern "C" {
	#endif

	/* Please note that modifications to all structs defined here are
	* subject to backwards-compatibility constraints.
	*
	* Do not use pointers, use __u64 instead for 32 bit / 64 bit user/kernel
	* compatibility Keep fields aligned to their size
	*/

	#define DRM_VIRTGPU_MAP 0x01
	#define DRM_VIRTGPU_EXECBUFFER 0x02
	#define DRM_VIRTGPU_GETPARAM 0x03
	#define DRM_VIRTGPU_RESOURCE_CREATE 0x04
	#define DRM_VIRTGPU_RESOURCE_INFO 0x05
	#define DRM_VIRTGPU_TRANSFER_FROM_HOST 0x06
	#define DRM_VIRTGPU_TRANSFER_TO_HOST 0x07
	#define DRM_VIRTGPU_WAIT 0x08
	#define DRM_VIRTGPU_GET_CAPS 0x09
	#define DRM_VIRTGPU_RESOURCE_CREATE_BLOB 0x0a
	#define DRM_VIRTGPU_CONTEXT_INIT 0x0b

	#define VIRTGPU_EXECBUF_FENCE_FD_IN 0x01
	#define VIRTGPU_EXECBUF_FENCE_FD_OUT 0x02
	#define VIRTGPU_EXECBUF_RING_IDX 0x04
	#define VIRTGPU_EXECBUF_FLAGS (\
	VIRTGPU_EXECBUF_FENCE_FD_IN \|\
	VIRTGPU_EXECBUF_FENCE_FD_OUT \|\
	VIRTGPU_EXECBUF_RING_IDX \|\
	0)

	struct drm_virtgpu_map {
	__u64 offset; /* use for mmap system call */
	__u32 handle;
	__u32 pad;
	};

	#define VIRTGPU_EXECBUF_SYNCOBJ_RESET 0x01
	#define VIRTGPU_EXECBUF_SYNCOBJ_FLAGS ( \
	VIRTGPU_EXECBUF_SYNCOBJ_RESET \| \
	0)
	struct drm_virtgpu_execbuffer_syncobj {
	__u32 handle;
	__u32 flags;
	__u64 point;
	};

	/* fence_fd is modified on success if VIRTGPU_EXECBUF_FENCE_FD_OUT flag is set. */
	struct drm_virtgpu_execbuffer {
	__u32 flags;
	__u32 size;
	__u64 command; /* void* */
	__u64 bo_handles;
	__u32 num_bo_handles;
	__s32 fence_fd; /* in/out fence fd (see VIRTGPU_EXECBUF_FENCE_FD_IN/OUT) */
	__u32 ring_idx; /* command ring index (see VIRTGPU_EXECBUF_RING_IDX) */
	__u32 syncobj_stride; /* size of @drm_virtgpu_execbuffer_syncobj */
	__u32 num_in_syncobjs;
	__u32 num_out_syncobjs;
	__u64 in_syncobjs;
	__u64 out_syncobjs;
	};

	#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_BLOB 3 /* DRM_VIRTGPU_RESOURCE_CREATE_BLOB */
	#define VIRTGPU_PARAM_HOST_VISIBLE 4 /* Host blob resources are mappable */
	#define VIRTGPU_PARAM_CROSS_DEVICE 5 /* Cross virtio-device resource sharing */
	#define VIRTGPU_PARAM_CONTEXT_INIT 6 /* DRM_VIRTGPU_CONTEXT_INIT */
	#define VIRTGPU_PARAM_SUPPORTED_CAPSET_IDs 7 /* Bitmask of supported capability set ids */
	#define VIRTGPU_PARAM_EXPLICIT_DEBUG_NAME 8 /* Ability to set debug name from userspace */

	struct drm_virtgpu_getparam {
	__u64 param;
	__u64 value;
	};

	/* NO_BO flags? NO resource flag? */
	/* resource flag for y_0_top */
	struct drm_virtgpu_resource_create {
	__u32 target;
	__u32 format;
	__u32 bind;
	__u32 width;
	__u32 height;
	__u32 depth;
	__u32 array_size;
	__u32 last_level;
	__u32 nr_samples;
	__u32 flags;
	__u32 bo_handle; /* if this is set - recreate a new resource attached to this bo ? */
	__u32 res_handle; /* returned by kernel */
	__u32 size; /* validate transfer in the host */
	__u32 stride; /* validate transfer in the host */
	};

	struct drm_virtgpu_resource_info {
	__u32 bo_handle;
	__u32 res_handle;
	__u32 size;
	__u32 blob_mem;
	};

	struct drm_virtgpu_3d_box {
	__u32 x;
	__u32 y;
	__u32 z;
	__u32 w;
	__u32 h;
	__u32 d;
	};

	struct drm_virtgpu_3d_transfer_to_host {
	__u32 bo_handle;
	struct drm_virtgpu_3d_box box;
	__u32 level;
	__u32 offset;
	__u32 stride;
	__u32 layer_stride;
	};

	struct drm_virtgpu_3d_transfer_from_host {
	__u32 bo_handle;
	struct drm_virtgpu_3d_box box;
	__u32 level;
	__u32 offset;
	__u32 stride;
	__u32 layer_stride;
	};

	#define VIRTGPU_WAIT_NOWAIT 1 /* like it */
	struct drm_virtgpu_3d_wait {
	__u32 handle; /* 0 is an invalid handle */
	__u32 flags;
	};

	struct drm_virtgpu_get_caps {
	__u32 cap_set_id;
	__u32 cap_set_ver;
	__u64 addr;
	__u32 size;
	__u32 pad;
	};

	struct drm_virtgpu_resource_create_blob {
	#define VIRTGPU_BLOB_MEM_GUEST 0x0001
	#define VIRTGPU_BLOB_MEM_HOST3D 0x0002
	#define VIRTGPU_BLOB_MEM_HOST3D_GUEST 0x0003

	#define VIRTGPU_BLOB_FLAG_USE_MAPPABLE 0x0001
	#define VIRTGPU_BLOB_FLAG_USE_SHAREABLE 0x0002
	#define VIRTGPU_BLOB_FLAG_USE_CROSS_DEVICE 0x0004
	/* zero is invalid blob_mem */
	__u32 blob_mem;
	__u32 blob_flags;
	__u32 bo_handle;
	__u32 res_handle;
	__u64 size;

	/*
	* for 3D contexts with VIRTGPU_BLOB_MEM_HOST3D_GUEST and
	* VIRTGPU_BLOB_MEM_HOST3D otherwise, must be zero.
	*/
	__u32 pad;
	__u32 cmd_size;
	__u64 cmd;
	__u64 blob_id;
	};

	#define VIRTGPU_CONTEXT_PARAM_CAPSET_ID 0x0001
	#define VIRTGPU_CONTEXT_PARAM_NUM_RINGS 0x0002
	#define VIRTGPU_CONTEXT_PARAM_POLL_RINGS_MASK 0x0003
	#define VIRTGPU_CONTEXT_PARAM_DEBUG_NAME 0x0004
	struct drm_virtgpu_context_set_param {
	__u64 param;
	__u64 value;
	};

	struct drm_virtgpu_context_init {
	__u32 num_params;
	__u32 pad;

	/* pointer to drm_virtgpu_context_set_param array */
	__u64 ctx_set_params;
	};

	/*
	* Event code that's given when VIRTGPU_CONTEXT_PARAM_POLL_RINGS_MASK is in
	* effect. The event size is sizeof(drm_event), since there is no additional
	* payload.
	*/
	#define VIRTGPU_EVENT_FENCE_SIGNALED 0x90000000

	#define DRM_IOCTL_VIRTGPU_MAP \
	DRM_IOWR(DRM_COMMAND_BASE + DRM_VIRTGPU_MAP, struct drm_virtgpu_map)

	#define DRM_IOCTL_VIRTGPU_EXECBUFFER \
	DRM_IOWR(DRM_COMMAND_BASE + DRM_VIRTGPU_EXECBUFFER,\
	struct drm_virtgpu_execbuffer)

	#define DRM_IOCTL_VIRTGPU_GETPARAM \
	DRM_IOWR(DRM_COMMAND_BASE + DRM_VIRTGPU_GETPARAM,\
	struct drm_virtgpu_getparam)

	#define DRM_IOCTL_VIRTGPU_RESOURCE_CREATE \
	DRM_IOWR(DRM_COMMAND_BASE + DRM_VIRTGPU_RESOURCE_CREATE, \
	struct drm_virtgpu_resource_create)

	#define DRM_IOCTL_VIRTGPU_RESOURCE_INFO \
	DRM_IOWR(DRM_COMMAND_BASE + DRM_VIRTGPU_RESOURCE_INFO, \
	struct drm_virtgpu_resource_info)

	#define DRM_IOCTL_VIRTGPU_TRANSFER_FROM_HOST \
	DRM_IOWR(DRM_COMMAND_BASE + DRM_VIRTGPU_TRANSFER_FROM_HOST, \
	struct drm_virtgpu_3d_transfer_from_host)

	#define DRM_IOCTL_VIRTGPU_TRANSFER_TO_HOST \
	DRM_IOWR(DRM_COMMAND_BASE + DRM_VIRTGPU_TRANSFER_TO_HOST, \
	struct drm_virtgpu_3d_transfer_to_host)

	#define DRM_IOCTL_VIRTGPU_WAIT \
	DRM_IOWR(DRM_COMMAND_BASE + DRM_VIRTGPU_WAIT, \
	struct drm_virtgpu_3d_wait)

	#define DRM_IOCTL_VIRTGPU_GET_CAPS \
	DRM_IOWR(DRM_COMMAND_BASE + DRM_VIRTGPU_GET_CAPS, \
	struct drm_virtgpu_get_caps)

	#define DRM_IOCTL_VIRTGPU_RESOURCE_CREATE_BLOB \
	DRM_IOWR(DRM_COMMAND_BASE + DRM_VIRTGPU_RESOURCE_CREATE_BLOB, \
	struct drm_virtgpu_resource_create_blob)

	#define DRM_IOCTL_VIRTGPU_CONTEXT_INIT \
	DRM_IOWR(DRM_COMMAND_BASE + DRM_VIRTGPU_CONTEXT_INIT, \
	struct drm_virtgpu_context_init)

	#if defined(__cplusplus)
	}
	#endif

	#endif