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/*
* include/linux/sw_sync.h
*
* Copyright (C) 2012 Google, Inc.
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#ifndef _LINUX_SW_SYNC_H
#define _LINUX_SW_SYNC_H
#include <linux/types.h>
#ifdef __KERNEL__
#include "sync.h"
struct sw_sync_timeline {
struct sync_timeline obj;
u32 value;
};
struct sw_sync_pt {
struct sync_pt pt;
u32 value;
};
#if IS_ENABLED(CONFIG_SW_SYNC)
struct sw_sync_timeline *sw_sync_timeline_create(const char *name);
void sw_sync_timeline_inc(struct sw_sync_timeline *obj, u32 inc);
struct sync_pt *sw_sync_pt_create(struct sw_sync_timeline *obj, u32 value);
#else
static inline struct sw_sync_timeline *sw_sync_timeline_create(const char *name)
{
return NULL;
}
static inline void sw_sync_timeline_inc(struct sw_sync_timeline *obj, u32 inc)
{
}
static inline struct sync_pt *sw_sync_pt_create(struct sw_sync_timeline *obj,
u32 value)
{
return NULL;
}
#endif /* IS_ENABLED(CONFIG_SW_SYNC) */
#endif /* __KERNEL __ */
struct sw_sync_create_fence_data {
__u32 value;
char name[32];
__s32 fence; /* fd of new fence */
};
#define SW_SYNC_IOC_MAGIC 'W'
#define SW_SYNC_IOC_CREATE_FENCE _IOWR(SW_SYNC_IOC_MAGIC, 0,\
struct sw_sync_create_fence_data)
#define SW_SYNC_IOC_INC _IOW(SW_SYNC_IOC_MAGIC, 1, __u32)
#endif /* _LINUX_SW_SYNC_H */
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