/* * 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_ptr) (void *data, async_cookie_t cookie);struct async_domain {	struct list_head node;	struct list_head domain;	int count;	unsigned registered:1;}; /* * domain participates in global async_synchronize_full */#define ASYNC_DOMAIN(_name) \	struct async_domain _name = { .node = LIST_HEAD_INIT(_name.node), \				      .domain = LIST_HEAD_INIT(_name.domain), \				      .count = 0, \				      .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 = { .node = LIST_HEAD_INIT(_name.node), \				      .domain = LIST_HEAD_INIT(_name.domain), \				      .count = 0, \				      .registered = 0 } extern async_cookie_t async_schedule(async_func_ptr *ptr, void *data);extern async_cookie_t async_schedule_domain(async_func_ptr *ptr, 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);#endif