xref: /illumos-gate/usr/src/uts/common/sys/aio_req.h (revision c5bab7026b8e0ac44b25ee08507ea360f177d844)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright (c) 1993, by Sun Microsystems, Inc.
24  */
25 
26 #ifndef _SYS_AIO_REQ_H
27 #define	_SYS_AIO_REQ_H
28 
29 #include <sys/buf.h>
30 
31 #ifdef	__cplusplus
32 extern "C" {
33 #endif
34 
35 #ifdef _KERNEL
36 
37 /*
38  * async I/O request struct exposed to drivers.
39  */
40 struct aio_req {
41 	struct uio	*aio_uio;		/* UIO for this request */
42 	void 		*aio_private;
43 };
44 
45 extern int aphysio(int (*)(), int (*)(), dev_t, int, void (*)(),
46 		struct aio_req *);
47 extern int anocancel(struct buf *);
48 
49 #endif /* _KERNEL */
50 
51 #ifdef	__cplusplus
52 }
53 #endif
54 
55 #endif /* _SYS_AIO_REQ_H */
56