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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 5270 | serge | 1 | /* |
| 2 | * async.h: Asynchronous function calls for boot performance |
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| 3 | * |
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| 4 | * (C) Copyright 2009 Intel Corporation |
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| 5 | * Author: Arjan van de Ven |
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| 6 | * |
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| 7 | * This program is free software; you can redistribute it and/or |
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| 8 | * modify it under the terms of the GNU General Public License |
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| 9 | * as published by the Free Software Foundation; version 2 |
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| 10 | * of the License. |
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| 11 | */ |
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| 12 | #ifndef __ASYNC_H__ |
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| 13 | #define __ASYNC_H__ |
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| 14 | |||
| 15 | #include |
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| 16 | #include |
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| 17 | |||
| 18 | typedef u64 async_cookie_t; |
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| 19 | typedef void (*async_func_t) (void *data, async_cookie_t cookie); |
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| 20 | struct async_domain { |
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| 21 | struct list_head pending; |
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| 22 | unsigned registered:1; |
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| 23 | }; |
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| 24 | |||
| 25 | /* |
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| 26 | * domain participates in global async_synchronize_full |
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| 27 | */ |
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| 28 | #define ASYNC_DOMAIN(_name) \ |
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| 29 | struct async_domain _name = { .pending = LIST_HEAD_INIT(_name.pending), \ |
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| 30 | .registered = 1 } |
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| 31 | |||
| 32 | /* |
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| 33 | * domain is free to go out of scope as soon as all pending work is |
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| 34 | * complete, this domain does not participate in async_synchronize_full |
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| 35 | */ |
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| 36 | #define ASYNC_DOMAIN_EXCLUSIVE(_name) \ |
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| 37 | struct async_domain _name = { .pending = LIST_HEAD_INIT(_name.pending), \ |
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| 38 | .registered = 0 } |
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| 39 | |||
| 40 | extern async_cookie_t async_schedule(async_func_t func, void *data); |
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| 41 | extern async_cookie_t async_schedule_domain(async_func_t func, void *data, |
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| 42 | struct async_domain *domain); |
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| 43 | void async_unregister_domain(struct async_domain *domain); |
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| 44 | extern void async_synchronize_full(void); |
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| 45 | extern void async_synchronize_full_domain(struct async_domain *domain); |
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| 46 | extern void async_synchronize_cookie(async_cookie_t cookie); |
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| 47 | extern void async_synchronize_cookie_domain(async_cookie_t cookie, |
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| 48 | struct async_domain *domain); |
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| 49 | extern bool current_is_async(void); |
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| 50 | #endif |