include/sys/zfs_sysfs.h

   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  * Copyright (c) 2018 by Delphix. All rights reserved.
  23  */
  24
  25 #ifndef _SYS_ZFS_SYSFS_H
  26 #define _SYS_ZFS_SYSFS_H extern __attribute__((visibility("default")))
  27
  28 struct zfs_mod_supported_features;
  29 struct zfs_mod_supported_features *zfs_mod_list_supported(const char *scope);
  30 void zfs_mod_list_supported_free(struct zfs_mod_supported_features *);
  31
  32 #ifdef _KERNEL
  33
  34 void zfs_sysfs_init(void);
  35 void zfs_sysfs_fini(void);
  36
  37 #else
  38
  39 #define zfs_sysfs_init()
  40 #define zfs_sysfs_fini()
  41
  42 _SYS_ZFS_SYSFS_H boolean_t zfs_mod_supported(const char *, const char *,
  43     const struct zfs_mod_supported_features *);
  44 #endif
  45
  46 #define ZFS_SYSFS_POOL_PROPERTIES       "properties.pool"
  47 #define ZFS_SYSFS_VDEV_PROPERTIES       "properties.vdev"
  48 #define ZFS_SYSFS_DATASET_PROPERTIES    "properties.dataset"
  49 #define ZFS_SYSFS_KERNEL_FEATURES       "features.kernel"
  50 #define ZFS_SYSFS_POOL_FEATURES         "features.pool"
  51
  52 #define ZFS_SYSFS_DIR                   "/sys/module/zfs"
  53 /* Alternate location when ZFS is built as part of the kernel (rare) */
  54 #define ZFS_SYSFS_ALT_DIR               "/sys/fs/zfs"
  55
  56 #endif  /* _SYS_ZFS_SYSFS_H */