1eda14cbcSMatt Macy /* 2eda14cbcSMatt Macy * CDDL HEADER START 3eda14cbcSMatt Macy * 4eda14cbcSMatt Macy * The contents of this file are subject to the terms of the 5eda14cbcSMatt Macy * Common Development and Distribution License (the "License"). 6eda14cbcSMatt Macy * You may not use this file except in compliance with the License. 7eda14cbcSMatt Macy * 8eda14cbcSMatt Macy * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9271171e0SMartin Matuska * or https://opensource.org/licenses/CDDL-1.0. 10eda14cbcSMatt Macy * See the License for the specific language governing permissions 11eda14cbcSMatt Macy * and limitations under the License. 12eda14cbcSMatt Macy * 13eda14cbcSMatt Macy * When distributing Covered Code, include this CDDL HEADER in each 14eda14cbcSMatt Macy * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15eda14cbcSMatt Macy * If applicable, add the following below this CDDL HEADER, with the 16eda14cbcSMatt Macy * fields enclosed by brackets "[]" replaced with your own identifying 17eda14cbcSMatt Macy * information: Portions Copyright [yyyy] [name of copyright owner] 18eda14cbcSMatt Macy * 19eda14cbcSMatt Macy * CDDL HEADER END 20eda14cbcSMatt Macy */ 21eda14cbcSMatt Macy 22eda14cbcSMatt Macy /* 23eda14cbcSMatt Macy * Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved. 24eda14cbcSMatt Macy * Copyright (c) 2016 Actifio, Inc. All rights reserved. 25eda14cbcSMatt Macy */ 26eda14cbcSMatt Macy 27eda14cbcSMatt Macy #ifndef _SYS_ZVOL_H 28eda14cbcSMatt Macy #define _SYS_ZVOL_H 29eda14cbcSMatt Macy 30eda14cbcSMatt Macy #include <sys/zfs_context.h> 31eda14cbcSMatt Macy 32eda14cbcSMatt Macy #define ZVOL_OBJ 1ULL 33eda14cbcSMatt Macy #define ZVOL_ZAP_OBJ 2ULL 34eda14cbcSMatt Macy 35eda14cbcSMatt Macy #define SPEC_MAXOFFSET_T ((1LL << ((NBBY * sizeof (daddr32_t)) + \ 36eda14cbcSMatt Macy DEV_BSHIFT - 1)) - 1) 37eda14cbcSMatt Macy 38eda14cbcSMatt Macy extern void zvol_create_minor(const char *); 39eda14cbcSMatt Macy extern void zvol_create_minors_recursive(const char *); 40eda14cbcSMatt Macy extern void zvol_remove_minors(spa_t *, const char *, boolean_t); 41eda14cbcSMatt Macy extern void zvol_rename_minors(spa_t *, const char *, const char *, boolean_t); 42eda14cbcSMatt Macy 43eda14cbcSMatt Macy #ifdef _KERNEL 44eda14cbcSMatt Macy struct zvol_state; 45eda14cbcSMatt Macy typedef struct zvol_state zvol_state_handle_t; 46eda14cbcSMatt Macy 47eda14cbcSMatt Macy extern int zvol_check_volsize(uint64_t, uint64_t); 48eda14cbcSMatt Macy extern int zvol_check_volblocksize(const char *, uint64_t); 49eda14cbcSMatt Macy extern int zvol_get_stats(objset_t *, nvlist_t *); 50eda14cbcSMatt Macy extern boolean_t zvol_is_zvol(const char *); 51eda14cbcSMatt Macy extern void zvol_create_cb(objset_t *, void *, cred_t *, dmu_tx_t *); 52eda14cbcSMatt Macy extern int zvol_set_volsize(const char *, uint64_t); 53*f8b1db88SMartin Matuska extern int zvol_set_volthreading(const char *, boolean_t); 54*f8b1db88SMartin Matuska extern int zvol_set_common(const char *, zfs_prop_t, zprop_source_t, uint64_t); 55*f8b1db88SMartin Matuska extern int zvol_set_ro(const char *, boolean_t); 56eda14cbcSMatt Macy extern zvol_state_handle_t *zvol_suspend(const char *); 57eda14cbcSMatt Macy extern int zvol_resume(zvol_state_handle_t *); 58eda14cbcSMatt Macy extern void *zvol_tag(zvol_state_handle_t *); 59eda14cbcSMatt Macy 60eda14cbcSMatt Macy extern int zvol_init(void); 61eda14cbcSMatt Macy extern void zvol_fini(void); 62eda14cbcSMatt Macy extern int zvol_busy(void); 63eda14cbcSMatt Macy 64eda14cbcSMatt Macy #endif /* _KERNEL */ 65eda14cbcSMatt Macy #endif /* _SYS_ZVOL_H */ 66