summaryrefslogtreecommitdiff
path: root/include/drm-uapi/virtgpu_drm.h
blob: f06a789f34cd9993f3952da30723adf995790605 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
/*
 * 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 VIRTGPU_EXECBUF_FENCE_FD_IN	0x01
#define VIRTGPU_EXECBUF_FENCE_FD_OUT	0x02
#define VIRTGPU_EXECBUF_FLAGS  (\
		VIRTGPU_EXECBUF_FENCE_FD_IN |\
		VIRTGPU_EXECBUF_FENCE_FD_OUT |\
		0)

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

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) */
};

#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 */

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_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)

#if defined(__cplusplus)
}
#endif

#endif