xref: /dflybsd-src/sys/dev/drm/include/linux/async.h (revision 796e1f6bf78ffd7ed71125832401b11765b76dff)
1*796e1f6bSFrançois Tigeot /*
2*796e1f6bSFrançois Tigeot  * Copyright (c) 2015 François Tigeot
3*796e1f6bSFrançois Tigeot  * All rights reserved.
4*796e1f6bSFrançois Tigeot  *
5*796e1f6bSFrançois Tigeot  * Redistribution and use in source and binary forms, with or without
6*796e1f6bSFrançois Tigeot  * modification, are permitted provided that the following conditions
7*796e1f6bSFrançois Tigeot  * are met:
8*796e1f6bSFrançois Tigeot  * 1. Redistributions of source code must retain the above copyright
9*796e1f6bSFrançois Tigeot  *    notice unmodified, this list of conditions, and the following
10*796e1f6bSFrançois Tigeot  *    disclaimer.
11*796e1f6bSFrançois Tigeot  * 2. Redistributions in binary form must reproduce the above copyright
12*796e1f6bSFrançois Tigeot  *    notice, this list of conditions and the following disclaimer in the
13*796e1f6bSFrançois Tigeot  *    documentation and/or other materials provided with the distribution.
14*796e1f6bSFrançois Tigeot  *
15*796e1f6bSFrançois Tigeot  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16*796e1f6bSFrançois Tigeot  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17*796e1f6bSFrançois Tigeot  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18*796e1f6bSFrançois Tigeot  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19*796e1f6bSFrançois Tigeot  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20*796e1f6bSFrançois Tigeot  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21*796e1f6bSFrançois Tigeot  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22*796e1f6bSFrançois Tigeot  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23*796e1f6bSFrançois Tigeot  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24*796e1f6bSFrançois Tigeot  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25*796e1f6bSFrançois Tigeot  */
26*796e1f6bSFrançois Tigeot 
27*796e1f6bSFrançois Tigeot #ifndef _LINUX_ASYNC_H_
28*796e1f6bSFrançois Tigeot #define _LINUX_ASYNC_H_
29*796e1f6bSFrançois Tigeot 
30*796e1f6bSFrançois Tigeot #include <linux/types.h>
31*796e1f6bSFrançois Tigeot #include <linux/list.h>
32*796e1f6bSFrançois Tigeot 
33*796e1f6bSFrançois Tigeot typedef u64 async_cookie_t;
34*796e1f6bSFrançois Tigeot typedef void (*async_func_t) (void *data, async_cookie_t cookie);
35*796e1f6bSFrançois Tigeot 
36*796e1f6bSFrançois Tigeot extern async_cookie_t async_schedule(async_func_t func, void *data);
37*796e1f6bSFrançois Tigeot 
38*796e1f6bSFrançois Tigeot static inline void async_synchronize_full(void) {
39*796e1f6bSFrançois Tigeot 	/*
40*796e1f6bSFrançois Tigeot 	 * XXX: This function is supposed to wait until all asynchronous
41*796e1f6bSFrançois Tigeot 	 * function calls have been done
42*796e1f6bSFrançois Tigeot 	 */
43*796e1f6bSFrançois Tigeot }
44*796e1f6bSFrançois Tigeot 
45*796e1f6bSFrançois Tigeot #endif	/* _LINUX_ASYNC_H_ */
46