1 /* 2 * Copyright (c) 2007 The DragonFly Project. All rights reserved. 3 * 4 * This code is derived from software contributed to The DragonFly Project 5 * by Matthew Dillon <dillon@backplane.com> 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in 15 * the documentation and/or other materials provided with the 16 * distribution. 17 * 3. Neither the name of The DragonFly Project nor the names of its 18 * contributors may be used to endorse or promote products derived 19 * from this software without specific, prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 24 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 25 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, 27 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 28 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 29 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 31 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 * $DragonFly: src/sys/sys/disklabel.h,v 1.29 2007/06/19 06:07:51 dillon Exp $ 35 */ 36 /* 37 * Disklabel abstraction 38 */ 39 40 #ifndef _SYS_DISKLABEL_H_ 41 #define _SYS_DISKLABEL_H_ 42 43 #ifndef _SYS_TYPES_H_ 44 #include <sys/types.h> 45 #endif 46 #ifndef _SYS_UUID_H_ 47 #include <sys/uuid.h> 48 #endif 49 50 struct disklabel32; 51 struct disklabel64; 52 53 typedef union abstracted_disklabel { 54 void *opaque; 55 struct disklabel32 *lab32; 56 struct disklabel64 *lab64; 57 } disklabel_t; 58 59 struct cdev; 60 struct diskslice; 61 struct diskslices; 62 struct disk_info; 63 struct partinfo; 64 65 #define DISKLABEL_MAXPACKNAME 64 66 67 struct disklabel_ops { 68 struct uuid type; /* uuid specifies disklabel type */ 69 int labelsize; /* size of disklabel in bytes */ 70 71 const char *(*op_readdisklabel) 72 (struct cdev *, struct diskslice *, disklabel_t *, 73 struct disk_info *); 74 int (*op_setdisklabel) 75 (disklabel_t, disklabel_t, struct diskslices *, 76 struct diskslice *, u_int32_t *); 77 int (*op_writedisklabel) 78 (struct cdev *, struct diskslices *, struct diskslice *, 79 disklabel_t); 80 disklabel_t (*op_clone_label) 81 (struct disk_info *, struct diskslice *); 82 void (*op_adjust_label_reserved) 83 (struct diskslices *, int, struct diskslice *); 84 int (*op_getpartbounds) 85 (struct diskslices *, disklabel_t, u_int32_t, 86 u_int64_t *, u_int64_t *); 87 void (*op_loadpartinfo) 88 (disklabel_t, u_int32_t, struct partinfo *); 89 u_int32_t (*op_getnumparts) 90 (disklabel_t); 91 int (*op_getpackname) 92 (disklabel_t, char *, size_t); 93 void (*op_makevirginlabel) 94 (disklabel_t, struct diskslices *, 95 struct diskslice *, struct disk_info *); 96 void (*op_freedisklabel) 97 (disklabel_t *); 98 }; 99 100 typedef struct disklabel_ops *disklabel_ops_t; 101 102 #endif /* !_SYS_DISKLABEL_H_ */ 103 104