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