xref: /freebsd/sys/contrib/openzfs/include/sys/zfs_sysfs.h (revision 61145dc2b94f12f6a47344fb9aac702321880e43)
1 // SPDX-License-Identifier: CDDL-1.0
2 /*
3  * CDDL HEADER START
4  *
5  * The contents of this file are subject to the terms of the
6  * Common Development and Distribution License (the "License").
7  * You may not use this file except in compliance with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or https://opensource.org/licenses/CDDL-1.0.
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) 2018 by Delphix. All rights reserved.
24  */
25 
26 #ifndef	_SYS_ZFS_SYSFS_H
27 #define	_SYS_ZFS_SYSFS_H extern __attribute__((visibility("default")))
28 
29 struct zfs_mod_supported_features;
30 struct zfs_mod_supported_features *zfs_mod_list_supported(const char *scope);
31 void zfs_mod_list_supported_free(struct zfs_mod_supported_features *);
32 
33 #ifdef _KERNEL
34 
35 void zfs_sysfs_init(void);
36 void zfs_sysfs_fini(void);
37 
38 #else
39 
40 #define	zfs_sysfs_init()
41 #define	zfs_sysfs_fini()
42 
43 _SYS_ZFS_SYSFS_H boolean_t zfs_mod_supported(const char *, const char *,
44     const struct zfs_mod_supported_features *);
45 #endif
46 
47 #define	ZFS_SYSFS_POOL_PROPERTIES	"properties.pool"
48 #define	ZFS_SYSFS_VDEV_PROPERTIES	"properties.vdev"
49 #define	ZFS_SYSFS_DATASET_PROPERTIES	"properties.dataset"
50 #define	ZFS_SYSFS_KERNEL_FEATURES	"features.kernel"
51 #define	ZFS_SYSFS_POOL_FEATURES		"features.pool"
52 
53 #define	ZFS_SYSFS_DIR			"/sys/module/zfs"
54 /* Alternate location when ZFS is built as part of the kernel (rare) */
55 #define	ZFS_SYSFS_ALT_DIR		"/sys/fs/zfs"
56 
57 #endif	/* _SYS_ZFS_SYSFS_H */
58