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
|
/*
* Copyright © 2012 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.
*
* Authors:
* Ben Widawsky <ben@bwidawsk.net>
*
*/
#include <stdio.h>
#include <string.h>
#include "i915_drm.h"
#include "drmtest.h"
struct local_drm_i915_gem_context_create {
__u32 ctx_id;
__u32 pad;
};
#define CONTEXT_CREATE_IOCTL DRM_IOWR(DRM_COMMAND_BASE + 0x2d, struct local_drm_i915_gem_context_create)
int main(int argc, char *argv[])
{
int ret, fd;
struct local_drm_i915_gem_context_create create;
create.ctx_id = rand();
create.pad = rand();
fd = drm_open_any();
ret = drmIoctl(fd, CONTEXT_CREATE_IOCTL, &create);
if (ret != 0 && (errno == ENODEV || errno == EINVAL)) {
fprintf(stderr, "Kernel is too old, or contexts not supported: %s\n",
strerror(errno));
exit(77);
} else if (ret != 0) {
fprintf(stderr, "%s\n", strerror(errno));
exit(EXIT_FAILURE);
}
assert(create.ctx_id != 0);
close(fd);
exit(EXIT_SUCCESS);
}
|
