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 https://opensource.org/licenses/CDDL-1.0.
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#include <sys/zfs_context.h>
26
27#ifndef _KERNEL
28typedef struct zfs_file {
29	int f_fd;
30	int f_dump_fd;
31} zfs_file_t;
32#elif defined(__linux__) || defined(__FreeBSD__)
33typedef struct file zfs_file_t;
34#else
35#error "unknown OS"
36#endif
37
38typedef struct zfs_file_attr {
39	uint64_t	zfa_size;	/* file size */
40	mode_t		zfa_mode;	/* file type */
41} zfs_file_attr_t;
42
43int zfs_file_open(const char *path, int flags, int mode, zfs_file_t **fp);
44void zfs_file_close(zfs_file_t *fp);
45
46int zfs_file_write(zfs_file_t *fp, const void *buf, size_t len, ssize_t *resid);
47int zfs_file_pwrite(zfs_file_t *fp, const void *buf, size_t len, loff_t off,
48    ssize_t *resid);
49int zfs_file_read(zfs_file_t *fp, void *buf, size_t len, ssize_t *resid);
50int zfs_file_pread(zfs_file_t *fp, void *buf, size_t len, loff_t off,
51    ssize_t *resid);
52
53int zfs_file_seek(zfs_file_t *fp, loff_t *offp, int whence);
54int zfs_file_getattr(zfs_file_t *fp, zfs_file_attr_t *zfattr);
55int zfs_file_fsync(zfs_file_t *fp, int flags);
56int zfs_file_fallocate(zfs_file_t *fp, int mode, loff_t offset, loff_t len);
57loff_t zfs_file_off(zfs_file_t *fp);
58int zfs_file_unlink(const char *);
59
60zfs_file_t *zfs_file_get(int fd);
61void zfs_file_put(zfs_file_t *fp);
62void *zfs_file_private(zfs_file_t *fp);
63
64#endif /* _SYS_ZFS_FILE_H */
65