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1 | /* |
2 | * include/linux/sw_sync.h | |
3 | * | |
4 | * Copyright (C) 2012 Google, Inc. | |
5 | * | |
6 | * This software is licensed under the terms of the GNU General Public | |
7 | * License version 2, as published by the Free Software Foundation, and | |
8 | * may be copied, distributed, and modified under those terms. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | * | |
15 | */ | |
16 | ||
17 | #ifndef _LINUX_SW_SYNC_H | |
18 | #define _LINUX_SW_SYNC_H | |
19 | ||
20 | #include <linux/types.h> | |
21 | ||
22 | #ifdef __KERNEL__ | |
23 | ||
24 | #include <linux/sync.h> | |
25 | ||
26 | struct sw_sync_timeline { | |
27 | struct sync_timeline obj; | |
28 | ||
29 | u32 value; | |
30 | }; | |
31 | ||
32 | struct sw_sync_pt { | |
33 | struct sync_pt pt; | |
34 | ||
35 | u32 value; | |
36 | }; | |
37 | ||
38 | struct sw_sync_timeline *sw_sync_timeline_create(const char *name); | |
39 | void sw_sync_timeline_inc(struct sw_sync_timeline *obj, u32 inc); | |
40 | ||
41 | struct sync_pt *sw_sync_pt_create(struct sw_sync_timeline *obj, u32 value); | |
42 | ||
43 | #endif /* __KERNEL __ */ | |
44 | ||
45 | struct sw_sync_create_fence_data { | |
46 | __u32 value; | |
47 | char name[32]; | |
48 | __s32 fence; /* fd of new fence */ | |
49 | }; | |
50 | ||
51 | #define SW_SYNC_IOC_MAGIC 'W' | |
52 | ||
53 | #define SW_SYNC_IOC_CREATE_FENCE _IOWR(SW_SYNC_IOC_MAGIC, 0,\ | |
54 | struct sw_sync_create_fence_data) | |
55 | #define SW_SYNC_IOC_INC _IOW(SW_SYNC_IOC_MAGIC, 1, __u32) | |
56 | ||
57 | ||
58 | #endif /* _LINUX_SW_SYNC_H */ |