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 * $FreeBSD$ 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_bootfs(void *vdev); 63 char *zfs_fmtdev(void *vdev); 64 int zfs_probe_dev(const char *devname, uint64_t *pool_guid); 65 int zfs_list(const char *name); 66 uint64_t ldi_get_size(void *); 67 #ifdef __FreeBSD__ 68 void init_zfs_bootenv(char *currdev); 69 int zfs_bootenv(const char *name); 70 int zfs_belist_add(const char *name, uint64_t __unused); 71 int zfs_set_env(void); 72 #endif 73 74 extern struct devsw zfs_dev; 75 extern struct fs_ops zfs_fsops; 76 77 #endif /*_BOOT_LIBZFS_H_*/ 78