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 #include <linux/kconfig.h>
22 #include "sync.h"
23 #include "uapi/sw_sync.h"
24 
25 struct sw_sync_timeline {
26 	struct	sync_timeline	obj;
27 
28 	u32			value;
29 };
30 
31 struct sw_sync_pt {
32 	struct sync_pt		pt;
33 
34 	u32			value;
35 };
36 
37 #if IS_ENABLED(CONFIG_SW_SYNC)
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 #else
sw_sync_timeline_create(const char * name)43 static inline struct sw_sync_timeline *sw_sync_timeline_create(const char *name)
44 {
45 	return NULL;
46 }
47 
sw_sync_timeline_inc(struct sw_sync_timeline * obj,u32 inc)48 static inline void sw_sync_timeline_inc(struct sw_sync_timeline *obj, u32 inc)
49 {
50 }
51 
sw_sync_pt_create(struct sw_sync_timeline * obj,u32 value)52 static inline struct sync_pt *sw_sync_pt_create(struct sw_sync_timeline *obj,
53 						u32 value)
54 {
55 	return NULL;
56 }
57 #endif /* IS_ENABLED(CONFIG_SW_SYNC) */
58 
59 #endif /* _LINUX_SW_SYNC_H */
60