34ff5c610e0edb8650cf1d4e4d08590841a58903
2 * async.h: Asynchronous function calls for boot performance
4 * (C) Copyright 2009 Intel Corporation
5 * Author: Arjan van de Ven <arjan@linux.intel.com>
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; version 2
15 #include <linux/types.h>
16 #include <linux/list.h>
18 typedef u64 async_cookie_t
;
19 typedef void (async_func_ptr
) (void *data
, async_cookie_t cookie
);
21 struct list_head node
;
22 struct list_head running
;
24 unsigned registered
:1;
28 * domain participates in global async_synchronize_full
30 #define ASYNC_DOMAIN(_name) \
31 struct async_domain _name = { .node = LIST_HEAD_INIT(_name.node), \
32 .running = LIST_HEAD_INIT(_name.running), \
37 * domain is free to go out of scope as soon as all pending work is
38 * complete, this domain does not participate in async_synchronize_full
40 #define ASYNC_DOMAIN_EXCLUSIVE(_name) \
41 struct async_domain _name = { .node = LIST_HEAD_INIT(_name.node), \
42 .running = LIST_HEAD_INIT(_name.running), \
46 extern async_cookie_t
async_schedule(async_func_ptr
*ptr
, void *data
);
47 extern async_cookie_t
async_schedule_domain(async_func_ptr
*ptr
, void *data
,
48 struct async_domain
*domain
);
49 void async_unregister_domain(struct async_domain
*domain
);
50 extern void async_synchronize_full(void);
51 extern void async_synchronize_full_domain(struct async_domain
*domain
);
52 extern void async_synchronize_cookie(async_cookie_t cookie
);
53 extern void async_synchronize_cookie_domain(async_cookie_t cookie
,
54 struct async_domain
*domain
);
55 extern bool current_is_async(void);
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