cregit-Linux how code gets into the kernel

Release 4.12 include/uapi/drm/virtgpu_drm.h

Directory: include/uapi/drm
/*
 * 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


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


struct drm_virtgpu_execbuffer {
	
__u32		flags;		/* for future use */
	
__u32 size;
	
__u64 command; /* void* */
	
__u64 bo_handles;
	
__u32 num_bo_handles;
	
__u32 pad;
};


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


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 stride;
};


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;
};


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


#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;
};


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


#define DRM_IOCTL_VIRTGPU_EXECBUFFER \
	DRM_IOW(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)

#if defined(__cplusplus)
}
#endif

#endif

Overall Contributors

PersonTokensPropCommitsCommitProp
Gerd Hoffmann26679.17%125.00%
Gabriel Laskar5014.88%250.00%
Emil Velikov205.95%125.00%
Total336100.00%4100.00%
Directory: include/uapi/drm
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