| /* |
| * 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_minors(spa_t *spa, const char *name, boolean_t async); |
| extern void zvol_remove_minors(spa_t *spa, const char *name, boolean_t async); |
| extern void zvol_rename_minors(spa_t *spa, const char *oldname, |
| const char *newname, boolean_t async); |
| |
| #ifdef _KERNEL |
| typedef struct zvol_state zvol_state_t; |
| |
| extern int zvol_check_volsize(uint64_t volsize, uint64_t blocksize); |
| extern int zvol_check_volblocksize(const char *name, uint64_t volblocksize); |
| extern int zvol_get_stats(objset_t *os, nvlist_t *nv); |
| extern boolean_t zvol_is_zvol(const char *); |
| extern void zvol_create_cb(objset_t *os, void *arg, cred_t *cr, dmu_tx_t *tx); |
| 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_t *zvol_suspend(const char *); |
| extern int zvol_resume(zvol_state_t *); |
| extern void *zvol_tag(zvol_state_t *); |
| |
| extern int zvol_init(void); |
| extern void zvol_fini(void); |
| #endif /* _KERNEL */ |
| #endif /* _SYS_ZVOL_H */ |