0,0 → 1,50 |
/* |
* async.h: Asynchronous function calls for boot performance |
* |
* (C) Copyright 2009 Intel Corporation |
* Author: Arjan van de Ven <arjan@linux.intel.com> |
* |
* This program is free software; you can redistribute it and/or |
* modify it under the terms of the GNU General Public License |
* as published by the Free Software Foundation; version 2 |
* of the License. |
*/ |
#ifndef __ASYNC_H__ |
#define __ASYNC_H__ |
|
#include <linux/types.h> |
#include <linux/list.h> |
|
typedef u64 async_cookie_t; |
typedef void (*async_func_t) (void *data, async_cookie_t cookie); |
struct async_domain { |
struct list_head pending; |
unsigned registered:1; |
}; |
|
/* |
* domain participates in global async_synchronize_full |
*/ |
#define ASYNC_DOMAIN(_name) \ |
struct async_domain _name = { .pending = LIST_HEAD_INIT(_name.pending), \ |
.registered = 1 } |
|
/* |
* domain is free to go out of scope as soon as all pending work is |
* complete, this domain does not participate in async_synchronize_full |
*/ |
#define ASYNC_DOMAIN_EXCLUSIVE(_name) \ |
struct async_domain _name = { .pending = LIST_HEAD_INIT(_name.pending), \ |
.registered = 0 } |
|
extern async_cookie_t async_schedule(async_func_t func, void *data); |
extern async_cookie_t async_schedule_domain(async_func_t func, void *data, |
struct async_domain *domain); |
void async_unregister_domain(struct async_domain *domain); |
extern void async_synchronize_full(void); |
extern void async_synchronize_full_domain(struct async_domain *domain); |
extern void async_synchronize_cookie(async_cookie_t cookie); |
extern void async_synchronize_cookie_domain(async_cookie_t cookie, |
struct async_domain *domain); |
extern bool current_is_async(void); |
#endif |