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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2016 Actifio, Inc. All rights reserved.
*/
#ifndef _SYS_ZVOL_H
#define _SYS_ZVOL_H
#include <sys/zfs_context.h>
#define ZVOL_OBJ 1ULL
#define ZVOL_ZAP_OBJ 2ULL
#define SPEC_MAXOFFSET_T ((1LL << ((NBBY * sizeof (daddr32_t)) + \
DEV_BSHIFT - 1)) - 1)
extern void zvol_create_minor(const char *);
extern void zvol_create_minors_recursive(const char *);
extern void zvol_remove_minors(spa_t *, const char *, boolean_t);
extern void zvol_rename_minors(spa_t *, const char *, const char *, boolean_t);
#ifdef _KERNEL
struct zvol_state;
typedef struct zvol_state zvol_state_handle_t;
extern int zvol_check_volsize(uint64_t, uint64_t);
extern int zvol_check_volblocksize(const char *, uint64_t);
extern int zvol_get_stats(objset_t *, nvlist_t *);
extern boolean_t zvol_is_zvol(const char *);
extern void zvol_create_cb(objset_t *, void *, cred_t *, dmu_tx_t *);
extern int zvol_set_volsize(const char *, uint64_t);
extern int zvol_set_volblocksize(const char *, uint64_t);
extern int zvol_set_snapdev(const char *, zprop_source_t, uint64_t);
extern int zvol_set_volmode(const char *, zprop_source_t, uint64_t);
extern zvol_state_handle_t *zvol_suspend(const char *);
extern int zvol_resume(zvol_state_handle_t *);
extern void *zvol_tag(zvol_state_handle_t *);
extern int zvol_init(void);
extern void zvol_fini(void);
extern int zvol_busy(void);
#endif /* _KERNEL */
#endif /* _SYS_ZVOL_H */
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