9f6fd8397c
r330809 replaced duplication of devdesc struct fields with an embedded copy of the devdesc struct, to avoid fragility. That means all the scattered comments indicating that structs must match are no longer valid. Likewise asserts that attempted to mitigate some of the old fragility. Reviewed by: imp@
87 lines
2.6 KiB
C
87 lines
2.6 KiB
C
/*-
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* Copyright (c) 2012 Andriy Gapon <avg@FreeBSD.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _BOOT_LIBZFS_H_
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#define _BOOT_LIBZFS_H_
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#define ZFS_MAXNAMELEN 256
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/*
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* ZFS fully-qualified device descriptor.
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*/
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struct zfs_devdesc {
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struct devdesc dd; /* Must be first. */
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uint64_t pool_guid;
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uint64_t root_guid;
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};
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#ifdef LOADER_GELI_SUPPORT
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#include <crypto/intake.h>
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#endif
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struct zfs_boot_args
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{
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uint32_t size;
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uint32_t reserved;
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uint64_t pool;
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uint64_t root;
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uint64_t primary_pool;
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uint64_t primary_vdev;
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union {
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char gelipw[256];
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struct {
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char notapw; /*
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* single null byte to stop keybuf
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* being interpreted as a password
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*/
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uint32_t keybuf_sentinel;
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#ifdef LOADER_GELI_SUPPORT
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struct keybuf *keybuf;
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#else
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void *keybuf;
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#endif
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};
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};
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};
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int zfs_parsedev(struct zfs_devdesc *dev, const char *devspec,
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const char **path);
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char *zfs_fmtdev(void *vdev);
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int zfs_probe_dev(const char *devname, uint64_t *pool_guid);
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int zfs_list(const char *name);
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uint64_t ldi_get_size(void *);
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void init_zfs_bootenv(const char *currdev);
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int zfs_bootenv(const char *name);
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int zfs_belist_add(const char *name, uint64_t __unused);
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int zfs_set_env(void);
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extern struct devsw zfs_dev;
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extern struct fs_ops zfs_fsops;
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#endif /*_BOOT_LIBZFS_H_*/
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