diff options
Diffstat (limited to 'include/os/linux/os_fence_android_sema.c')
-rw-r--r-- | include/os/linux/os_fence_android_sema.c | 112 |
1 files changed, 0 insertions, 112 deletions
diff --git a/include/os/linux/os_fence_android_sema.c b/include/os/linux/os_fence_android_sema.c deleted file mode 100644 index eb60600..0000000 --- a/include/os/linux/os_fence_android_sema.c +++ /dev/null | |||
@@ -1,112 +0,0 @@ | |||
1 | /* | ||
2 | * Copyright (c) 2018, NVIDIA CORPORATION. All rights reserved. | ||
3 | * | ||
4 | * This program is free software; you can redistribute it and/or modify it | ||
5 | * under the terms and conditions of the GNU General Public License, | ||
6 | * version 2, as published by the Free Software Foundation. | ||
7 | * | ||
8 | * This program is distributed in the hope it will be useful, but WITHOUT | ||
9 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
10 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | ||
11 | * more details. | ||
12 | * | ||
13 | * You should have received a copy of the GNU General Public License | ||
14 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
15 | */ | ||
16 | |||
17 | #include <nvgpu/errno.h> | ||
18 | |||
19 | #include <nvgpu/types.h> | ||
20 | #include <nvgpu/os_fence.h> | ||
21 | #include <nvgpu/linux/os_fence_android.h> | ||
22 | #include <nvgpu/semaphore.h> | ||
23 | #include <nvgpu/gk20a.h> | ||
24 | #include <nvgpu/channel.h> | ||
25 | #include <nvgpu/channel_sync.h> | ||
26 | |||
27 | #include "gk20a/mm_gk20a.h" | ||
28 | |||
29 | #include "sync_sema_android.h" | ||
30 | |||
31 | #include "../drivers/staging/android/sync.h" | ||
32 | |||
33 | int nvgpu_os_fence_sema_wait_gen_cmd(struct nvgpu_os_fence *s, | ||
34 | struct priv_cmd_entry *wait_cmd, | ||
35 | struct channel_gk20a *c, | ||
36 | int max_wait_cmds) | ||
37 | { | ||
38 | int err; | ||
39 | int wait_cmd_size; | ||
40 | int num_wait_cmds; | ||
41 | int i; | ||
42 | struct nvgpu_semaphore *sema; | ||
43 | struct sync_fence *sync_fence = nvgpu_get_sync_fence(s); | ||
44 | |||
45 | wait_cmd_size = c->g->ops.fifo.get_sema_wait_cmd_size(); | ||
46 | |||
47 | num_wait_cmds = sync_fence->num_fences; | ||
48 | if (num_wait_cmds == 0) | ||
49 | return 0; | ||
50 | |||
51 | if (max_wait_cmds && num_wait_cmds > max_wait_cmds) | ||
52 | return -EINVAL; | ||
53 | |||
54 | err = gk20a_channel_alloc_priv_cmdbuf(c, | ||
55 | wait_cmd_size * num_wait_cmds, | ||
56 | wait_cmd); | ||
57 | if (err) { | ||
58 | return err; | ||
59 | } | ||
60 | |||
61 | for (i = 0; i < num_wait_cmds; i++) { | ||
62 | struct sync_pt *pt = sync_pt_from_fence( | ||
63 | sync_fence->cbs[i].sync_pt); | ||
64 | |||
65 | sema = gk20a_sync_pt_sema(pt); | ||
66 | channel_sync_semaphore_gen_wait_cmd(c, sema, wait_cmd, | ||
67 | wait_cmd_size, i); | ||
68 | } | ||
69 | |||
70 | return 0; | ||
71 | } | ||
72 | |||
73 | static const struct nvgpu_os_fence_ops sema_ops = { | ||
74 | .program_waits = nvgpu_os_fence_sema_wait_gen_cmd, | ||
75 | .drop_ref = nvgpu_os_fence_android_drop_ref, | ||
76 | .install_fence = nvgpu_os_fence_android_install_fd, | ||
77 | }; | ||
78 | |||
79 | int nvgpu_os_fence_sema_create( | ||
80 | struct nvgpu_os_fence *fence_out, | ||
81 | struct channel_gk20a *c, | ||
82 | struct nvgpu_semaphore *sema) | ||
83 | { | ||
84 | struct sync_fence *fence; | ||
85 | |||
86 | fence = gk20a_sync_fence_create(c, sema, "f-gk20a-0x%04x", | ||
87 | nvgpu_semaphore_gpu_ro_va(sema)); | ||
88 | |||
89 | if (!fence) { | ||
90 | nvgpu_err(c->g, "error constructing new fence: f-gk20a-0x%04x", | ||
91 | (u32)nvgpu_semaphore_gpu_ro_va(sema)); | ||
92 | |||
93 | return -ENOMEM; | ||
94 | } | ||
95 | |||
96 | nvgpu_os_fence_init(fence_out, c->g, &sema_ops, fence); | ||
97 | |||
98 | return 0; | ||
99 | } | ||
100 | |||
101 | int nvgpu_os_fence_sema_fdget(struct nvgpu_os_fence *fence_out, | ||
102 | struct channel_gk20a *c, int fd) | ||
103 | { | ||
104 | struct sync_fence *fence = gk20a_sync_fence_fdget(fd); | ||
105 | |||
106 | if (!fence) | ||
107 | return -EINVAL; | ||
108 | |||
109 | nvgpu_os_fence_init(fence_out, c->g, &sema_ops, fence); | ||
110 | |||
111 | return 0; | ||
112 | } | ||