The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/boot/zfs/libzfs.h

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    1 /*-
    2  * Copyright (c) 2012 Andriy Gapon <avg@FreeBSD.org>
    3  * All rights reserved.
    4  *
    5  * Redistribution and use in source and binary forms, with or without
    6  * modification, are permitted provided that the following conditions
    7  * are met:
    8  * 1. Redistributions of source code must retain the above copyright
    9  *    notice, this list of conditions and the following disclaimer.
   10  * 2. Redistributions in binary form must reproduce the above copyright
   11  *    notice, this list of conditions and the following disclaimer in the
   12  *    documentation and/or other materials provided with the distribution.
   13  *
   14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   24  * SUCH DAMAGE.
   25  *
   26  * $FreeBSD: releng/10.0/sys/boot/zfs/libzfs.h 241293 2012-10-06 19:47:24Z avg $
   27  */
   28 
   29 #ifndef _BOOT_LIBZFS_H_
   30 #define _BOOT_LIBZFS_H_
   31 
   32 #define ZFS_MAXNAMELEN  256
   33 
   34 /*
   35  * ZFS fully-qualified device descriptor.
   36  * Note, this must match the 'struct devdesc' declaration in bootstrap.h.
   37  * Arch-specific device descriptors should be binary compatible with this
   38  * structure if they are to support ZFS.
   39  */
   40 struct zfs_devdesc
   41 {
   42     struct devsw        *d_dev;
   43     int                 d_type;
   44     int                 d_unit;
   45     void                *d_opendata;
   46     uint64_t            pool_guid;
   47     uint64_t            root_guid;
   48 };
   49 
   50 struct zfs_boot_args
   51 {
   52     uint32_t            size;
   53     uint32_t            reserved;
   54     uint64_t            pool;
   55     uint64_t            root;
   56     uint64_t            primary_pool;
   57     uint64_t            primary_vdev;
   58 };
   59 
   60 int     zfs_parsedev(struct zfs_devdesc *dev, const char *devspec,
   61                      const char **path);
   62 char    *zfs_fmtdev(void *vdev);
   63 int     zfs_probe_dev(const char *devname, uint64_t *pool_guid);
   64 int     zfs_list(const char *name);
   65 
   66 extern struct devsw zfs_dev;
   67 extern struct fs_ops zfs_fsops;
   68 
   69 #endif /*_BOOT_LIBZFS_H_*/

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