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 (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 
22 #ifndef	_SYS_ZFS_FILE_H
23 #define	_SYS_ZFS_FILE_H
24 
25 #ifndef _KERNEL
26 typedef struct zfs_file {
27 	int f_fd;
28 	int f_dump_fd;
29 } zfs_file_t;
30 #elif defined(__linux__) || defined(__FreeBSD__)
31 typedef struct file zfs_file_t;
32 #else
33 #error "unknown OS"
34 #endif
35 
36 typedef struct zfs_file_attr {
37 	uint64_t	zfa_size;	/* file size */
38 	mode_t		zfa_mode;	/* file type */
39 } zfs_file_attr_t;
40 
41 int zfs_file_open(const char *path, int flags, int mode, zfs_file_t **fp);
42 void zfs_file_close(zfs_file_t *fp);
43 
44 int zfs_file_write(zfs_file_t *fp, const void *buf, size_t len, ssize_t *resid);
45 int zfs_file_pwrite(zfs_file_t *fp, const void *buf, size_t len, loff_t off,
46     ssize_t *resid);
47 int zfs_file_read(zfs_file_t *fp, void *buf, size_t len, ssize_t *resid);
48 int zfs_file_pread(zfs_file_t *fp, void *buf, size_t len, loff_t off,
49     ssize_t *resid);
50 
51 int zfs_file_seek(zfs_file_t *fp, loff_t *offp, int whence);
52 int zfs_file_getattr(zfs_file_t *fp, zfs_file_attr_t *zfattr);
53 int zfs_file_fsync(zfs_file_t *fp, int flags);
54 int zfs_file_fallocate(zfs_file_t *fp, int mode, loff_t offset, loff_t len);
55 loff_t zfs_file_off(zfs_file_t *fp);
56 int zfs_file_unlink(const char *);
57 
58 int zfs_file_get(int fd, zfs_file_t **fp);
59 void zfs_file_put(int fd);
60 void *zfs_file_private(zfs_file_t *fp);
61 
62 #endif /* _SYS_ZFS_FILE_H */
63