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/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License (the "License").
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* You may not use this file except in compliance with the License.
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*
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* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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* or http://www.opensolaris.org/os/licensing.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information: Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*/
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/*
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4543
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* Copyright 2007 Sun Microsystems, Inc. All rights reserved.
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2676
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* Use is subject to license terms.
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*/
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#ifndef _SYS_ZVOL_H
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#define _SYS_ZVOL_H
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#pragma ident "%Z%%M% %I% %E% SMI"
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#include <sys/zfs_context.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifdef _KERNEL
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extern int zvol_check_volsize(uint64_t volsize, uint64_t blocksize);
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extern int zvol_check_volblocksize(uint64_t volblocksize);
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2885
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extern int zvol_get_stats(objset_t *os, nvlist_t *nv);
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4543
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extern void zvol_create_cb(objset_t *os, void *arg, cred_t *cr, dmu_tx_t *tx);
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4787
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extern int zvol_create_minor(const char *, major_t);
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extern int zvol_remove_minor(const char *);
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4787
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extern int zvol_set_volsize(const char *, major_t, uint64_t);
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extern int zvol_set_volblocksize(const char *, uint64_t);
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extern int zvol_open(dev_t *devp, int flag, int otyp, cred_t *cr);
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extern int zvol_close(dev_t dev, int flag, int otyp, cred_t *cr);
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extern int zvol_strategy(buf_t *bp);
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extern int zvol_read(dev_t dev, uio_t *uiop, cred_t *cr);
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extern int zvol_write(dev_t dev, uio_t *uiop, cred_t *cr);
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extern int zvol_aread(dev_t dev, struct aio_req *aio, cred_t *cr);
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extern int zvol_awrite(dev_t dev, struct aio_req *aio, cred_t *cr);
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extern int zvol_ioctl(dev_t dev, int cmd, intptr_t arg, int flag, cred_t *cr,
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int *rvalp);
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extern int zvol_busy(void);
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extern void zvol_init(void);
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extern void zvol_fini(void);
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* _SYS_ZVOL_H */
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