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
|
/*
* Copyright © 2016 Intel Corporation
*
* 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 OR COPYRIGHT HOLDERS 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.
*/
#define _GNU_SOURCE
#include "igt.h"
#include "igt_vgem.h"
#include <sys/mman.h>
int __vgem_create(int fd, struct vgem_bo *bo)
{
struct drm_mode_create_dumb arg;
memset(&arg, 0, sizeof(arg));
arg.width = bo->width;
arg.height = bo->height;
arg.bpp = bo->bpp;
if (drmIoctl(fd, DRM_IOCTL_MODE_CREATE_DUMB, &arg))
return -errno;
bo->handle = arg.handle;
bo->pitch = arg.pitch;
bo->size = arg.size;
return 0;
}
void vgem_create(int fd, struct vgem_bo *bo)
{
igt_assert_eq(__vgem_create(fd, bo), 0);
}
void *__vgem_mmap(int fd, struct vgem_bo *bo, unsigned prot)
{
struct drm_mode_map_dumb arg;
void *ptr;
memset(&arg, 0, sizeof(arg));
arg.handle = bo->handle;
if (drmIoctl(fd, DRM_IOCTL_MODE_MAP_DUMB, &arg))
return NULL;
ptr = mmap64(0, bo->size, prot, MAP_SHARED, fd, arg.offset);
if (ptr == MAP_FAILED)
return NULL;
return ptr;
}
void *vgem_mmap(int fd, struct vgem_bo *bo, unsigned prot)
{
void *ptr;
igt_assert_f((ptr = __vgem_mmap(fd, bo, prot)),
"vgem_map(fd=%d, bo->handle=%d, prot=%x)\n",
fd, bo->handle, prot);
return ptr;
}
#define LOCAL_VGEM_FENCE_ATTACH 0x1
#define LOCAL_VGEM_FENCE_SIGNAL 0x2
#define LOCAL_IOCTL_VGEM_FENCE_ATTACH DRM_IOWR( DRM_COMMAND_BASE + LOCAL_VGEM_FENCE_ATTACH, struct local_vgem_fence_attach)
#define LOCAL_IOCTL_VGEM_FENCE_SIGNAL DRM_IOW( DRM_COMMAND_BASE + LOCAL_VGEM_FENCE_SIGNAL, struct local_vgem_fence_signal)
struct local_vgem_fence_attach {
uint32_t handle;
uint32_t flags;
uint32_t out_fence;
uint32_t pad;
};
struct local_vgem_fence_signal {
uint32_t fence;
uint32_t flags;
};
bool vgem_has_fences(int fd)
{
struct local_vgem_fence_signal arg;
int err;
err = 0;
memset(&arg, 0, sizeof(arg));
if (drmIoctl(fd, LOCAL_IOCTL_VGEM_FENCE_SIGNAL, &arg))
err = -errno;
errno = 0;
return err == -ENOENT;
}
static int __vgem_fence_attach(int fd, struct local_vgem_fence_attach *arg)
{
int err = 0;
if (igt_ioctl(fd, LOCAL_IOCTL_VGEM_FENCE_ATTACH, arg))
err = -errno;
errno = 0;
return err;
}
bool vgem_fence_has_flag(int fd, unsigned flags)
{
struct local_vgem_fence_attach arg;
struct vgem_bo bo;
bool ret = false;
memset(&bo, 0, sizeof(bo));
bo.width = 1;
bo.height = 1;
bo.bpp = 32;
vgem_create(fd, &bo);
memset(&arg, 0, sizeof(arg));
arg.handle = bo.handle;
arg.flags = flags;
if (__vgem_fence_attach(fd, &arg) == 0) {
vgem_fence_signal(fd, arg.out_fence);
ret = true;
}
gem_close(fd, bo.handle);
return ret;
}
uint32_t vgem_fence_attach(int fd, struct vgem_bo *bo, unsigned flags)
{
struct local_vgem_fence_attach arg;
memset(&arg, 0, sizeof(arg));
arg.handle = bo->handle;
arg.flags = flags;
igt_assert_eq(__vgem_fence_attach(fd, &arg), 0);
return arg.out_fence;
}
static int ioctl_vgem_fence_signal(int fd, struct local_vgem_fence_signal *arg)
{
int err = 0;
if (igt_ioctl(fd, LOCAL_IOCTL_VGEM_FENCE_SIGNAL, arg))
err = -errno;
errno = 0;
return err;
}
int __vgem_fence_signal(int fd, uint32_t fence)
{
struct local_vgem_fence_signal arg;
memset(&arg, 0, sizeof(arg));
arg.fence = fence;
return ioctl_vgem_fence_signal(fd, &arg);
}
void vgem_fence_signal(int fd, uint32_t fence)
{
igt_assert_eq(__vgem_fence_signal(fd, fence), 0);
}
|
