1 /*
2 * Copyright © 2022 Imagination Technologies Ltd.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a copy
5 * of this software and associated documentation files (the "Software"), to deal
6 * in the Software without restriction, including without limitation the rights
7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8 * copies of the Software, and to permit persons to whom the Software is
9 * furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 * SOFTWARE.
22 */
23
24 #include <errno.h>
25 #include <fcntl.h>
26 #include <stddef.h>
27 #include <string.h>
28 #include <unistd.h>
29 #include <vulkan/vulkan.h>
30 #include <xf86drm.h>
31
32 #include "pvr_srv_bridge.h"
33 #include "pvr_srv_job_common.h"
34 #include "vk_log.h"
35
pvr_srv_create_timeline(int render_fd,int * const fd_out)36 VkResult pvr_srv_create_timeline(int render_fd, int *const fd_out)
37 {
38 const char *render_path;
39 VkResult result;
40 int fd;
41
42 render_path = drmGetRenderDeviceNameFromFd(render_fd);
43 if (!render_path) {
44 return vk_errorf(NULL,
45 VK_ERROR_UNKNOWN,
46 "Could not get render path from fd.");
47 }
48
49 fd = open(render_path, O_CLOEXEC | O_RDWR);
50 drmFree((void *)render_path);
51 if (fd == -1) {
52 return vk_errorf(NULL,
53 VK_ERROR_UNKNOWN,
54 "Could not create timeline fd, errno: %s",
55 strerror(errno));
56 }
57
58 result = pvr_srv_init_module(fd, PVR_SRVKM_MODULE_TYPE_SYNC);
59 if (result != VK_SUCCESS) {
60 close(fd);
61 return result;
62 }
63
64 *fd_out = fd;
65
66 return VK_SUCCESS;
67 }
68