From e2abcdca396661cbe0ae2ddb13d5c2b85682c13a Mon Sep 17 00:00:00 2001 From: Cem Keylan Date: Fri, 16 Oct 2020 17:41:25 +0300 Subject: initial commit --- sys/sys/disklabel.h | 533 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 533 insertions(+) create mode 100644 sys/sys/disklabel.h (limited to 'sys/sys/disklabel.h') diff --git a/sys/sys/disklabel.h b/sys/sys/disklabel.h new file mode 100644 index 0000000..70c6cfe --- /dev/null +++ b/sys/sys/disklabel.h @@ -0,0 +1,533 @@ +/* $OpenBSD: disklabel.h,v 1.75 2017/10/24 09:36:13 jsg Exp $ */ +/* $NetBSD: disklabel.h,v 1.41 1996/05/10 23:07:37 mark Exp $ */ + +/* + * Copyright (c) 1987, 1988, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)disklabel.h 8.2 (Berkeley) 7/10/94 + */ + +/* + * Disk description table, see disktab(5) + */ +#define _PATH_DISKTAB "/etc/disktab" +#define DISKTAB "/etc/disktab" /* deprecated */ + +/* + * Each disk has a label which includes information about the hardware + * disk geometry, filesystem partitions, and drive specific information. + * The location of the label, as well as the number of partitions the + * label can describe and the number of the "whole disk" (raw) + * partition are machine dependent. + */ +#include + +#include + +/* + * The absolute maximum number of disk partitions allowed. + * This is the maximum value of MAXPARTITIONS for which 'struct disklabel' + * is <= DEV_BSIZE bytes long. If MAXPARTITIONS is greater than this, beware. + */ +#define MAXMAXPARTITIONS 22 +#if MAXPARTITIONS > MAXMAXPARTITIONS +#warn beware: MAXPARTITIONS bigger than MAXMAXPARTITIONS +#endif + +/* + * Translate between device numbers and major/disk unit/disk partition. + */ +#define DISKUNIT(dev) (minor(dev) / MAXPARTITIONS) +#define DISKPART(dev) (minor(dev) % MAXPARTITIONS) +#define RAW_PART 2 /* 'c' partition */ +#define DISKMINOR(unit, part) \ + (((unit) * MAXPARTITIONS) + (part)) +#define MAKEDISKDEV(maj, unit, part) \ + (makedev((maj), DISKMINOR((unit), (part)))) +#define DISKLABELDEV(dev) \ + (MAKEDISKDEV(major(dev), DISKUNIT(dev), RAW_PART)) + +#define DISKMAGIC ((u_int32_t)0x82564557) /* The disk magic number */ + +#define MAXDISKSIZE 0x7fffffffffffLL /* 47 bits of reach */ + +#ifndef _LOCORE +struct disklabel { + u_int32_t d_magic; /* the magic number */ + u_int16_t d_type; /* drive type */ + u_int16_t d_subtype; /* controller/d_type specific */ + char d_typename[16]; /* type name, e.g. "eagle" */ + char d_packname[16]; /* pack identifier */ + + /* disk geometry: */ + u_int32_t d_secsize; /* # of bytes per sector */ + u_int32_t d_nsectors; /* # of data sectors per track */ + u_int32_t d_ntracks; /* # of tracks per cylinder */ + u_int32_t d_ncylinders; /* # of data cylinders per unit */ + u_int32_t d_secpercyl; /* # of data sectors per cylinder */ + u_int32_t d_secperunit; /* # of data sectors (low part) */ + + u_char d_uid[8]; /* Unique label identifier. */ + + /* + * Alternate cylinders include maintenance, replacement, configuration + * description areas, etc. + */ + u_int32_t d_acylinders; /* # of alt. cylinders per unit */ + + /* hardware characteristics: */ + u_int16_t d_bstarth; /* start of useable region (high part) */ + u_int16_t d_bendh; /* size of useable region (high part) */ + u_int32_t d_bstart; /* start of useable region */ + u_int32_t d_bend; /* end of useable region */ + u_int32_t d_flags; /* generic flags */ +#define NDDATA 5 + u_int32_t d_drivedata[NDDATA]; /* drive-type specific information */ + u_int16_t d_secperunith; /* # of data sectors (high part) */ + u_int16_t d_version; /* version # (1=48 bit addressing) */ +#define NSPARE 4 + u_int32_t d_spare[NSPARE]; /* reserved for future use */ + u_int32_t d_magic2; /* the magic number (again) */ + u_int16_t d_checksum; /* xor of data incl. partitions */ + + /* filesystem and partition information: */ + u_int16_t d_npartitions; /* number of partitions in following */ + u_int32_t d_bbsize; /* size of boot area at sn0, bytes */ + u_int32_t d_sbsize; /* max size of fs superblock, bytes */ + struct partition { /* the partition table */ + u_int32_t p_size; /* number of sectors (low part) */ + u_int32_t p_offset; /* starting sector (low part) */ + u_int16_t p_offseth; /* starting sector (high part) */ + u_int16_t p_sizeh; /* number of sectors (high part) */ + u_int8_t p_fstype; /* filesystem type, see below */ + u_int8_t p_fragblock; /* encoded filesystem frag/block */ + u_int16_t p_cpg; /* UFS: FS cylinders per group */ + } d_partitions[MAXPARTITIONS]; /* actually may be more */ +}; + + +struct __partitionv0 { /* old (v0) partition table entry */ + u_int32_t p_size; /* number of sectors in partition */ + u_int32_t p_offset; /* starting sector */ + u_int32_t p_fsize; /* filesystem basic fragment size */ + u_int8_t p_fstype; /* filesystem type, see below */ + u_int8_t p_frag; /* filesystem fragments per block */ + union { + u_int16_t cpg; /* UFS: FS cylinders per group */ + u_int16_t sgs; /* LFS: FS segment shift */ + } __partitionv0_u1; +}; +#endif /* _LOCORE */ + + +#define DISKLABELV1_FFS_FRAGBLOCK(fsize, frag) \ + ((fsize) * (frag) == 0 ? 0 : \ + (((ffs((fsize) * (frag)) - 13) << 3) | (ffs(frag)))) + +#define DISKLABELV1_FFS_BSIZE(i) ((i) == 0 ? 0 : (1 << (((i) >> 3) + 12))) +#define DISKLABELV1_FFS_FRAG(i) ((i) == 0 ? 0 : (1 << (((i) & 0x07) - 1))) +#define DISKLABELV1_FFS_FSIZE(i) (DISKLABELV1_FFS_FRAG(i) == 0 ? 0 : \ + (DISKLABELV1_FFS_BSIZE(i) / DISKLABELV1_FFS_FRAG(i))) + +#define DL_GETPSIZE(p) (((u_int64_t)(p)->p_sizeh << 32) + (p)->p_size) +#define DL_SETPSIZE(p, n) do { \ + u_int64_t x = (n); \ + (p)->p_sizeh = x >> 32; \ + (p)->p_size = x; \ + } while (0) +#define DL_GETPOFFSET(p) (((u_int64_t)(p)->p_offseth << 32) + (p)->p_offset) +#define DL_SETPOFFSET(p, n) do { \ + u_int64_t x = (n); \ + (p)->p_offseth = x >> 32; \ + (p)->p_offset = x; \ + } while (0) + +#define DL_GETDSIZE(d) (((u_int64_t)(d)->d_secperunith << 32) + \ + (d)->d_secperunit) +#define DL_SETDSIZE(d, n) do { \ + u_int64_t x = (n); \ + (d)->d_secperunith = x >> 32; \ + (d)->d_secperunit = x; \ + } while (0) +#define DL_GETBSTART(d) (((u_int64_t)(d)->d_bstarth << 32) + \ + (d)->d_bstart) +#define DL_SETBSTART(d, n) do { \ + u_int64_t x = (n); \ + (d)->d_bstarth = x >> 32; \ + (d)->d_bstart = x; \ + } while (0) +#define DL_GETBEND(d) (((u_int64_t)(d)->d_bendh << 32) + \ + (d)->d_bend) +#define DL_SETBEND(d, n) do { \ + u_int64_t x = (n); \ + (d)->d_bendh = x >> 32; \ + (d)->d_bend = x; \ + } while (0) + +#define DL_BLKSPERSEC(d) ((d)->d_secsize / DEV_BSIZE) +#define DL_SECTOBLK(d, n) ((n) * DL_BLKSPERSEC(d)) +#define DL_BLKTOSEC(d, n) ((n) / DL_BLKSPERSEC(d)) +#define DL_BLKOFFSET(d, n) (((n) % DL_BLKSPERSEC(d)) * DEV_BSIZE) + +/* d_type values: */ +#define DTYPE_SMD 1 /* SMD, XSMD; VAX hp/up */ +#define DTYPE_MSCP 2 /* MSCP */ +#define DTYPE_DEC 3 /* other DEC (rk, rl) */ +#define DTYPE_SCSI 4 /* SCSI */ +#define DTYPE_ESDI 5 /* ESDI interface */ +#define DTYPE_ST506 6 /* ST506 etc. */ +#define DTYPE_HPIB 7 /* CS/80 on HP-IB */ +#define DTYPE_HPFL 8 /* HP Fiber-link */ +#define DTYPE_FLOPPY 10 /* floppy */ +#define DTYPE_CCD 11 /* was: concatenated disk device */ +#define DTYPE_VND 12 /* vnode pseudo-disk */ +#define DTYPE_ATAPI 13 /* ATAPI */ +#define DTYPE_RAID 14 /* was: RAIDframe */ +#define DTYPE_RDROOT 15 /* ram disk root */ + +#ifdef DKTYPENAMES +static char *dktypenames[] = { + "unknown", + "SMD", + "MSCP", + "old DEC", + "SCSI", + "ESDI", + "ST506", + "HP-IB", + "HP-FL", + "type 9", + "floppy", + "ccd", /* deprecated */ + "vnd", + "ATAPI", + "RAID", + "rdroot", + NULL +}; +#define DKMAXTYPES (sizeof(dktypenames) / sizeof(dktypenames[0]) - 1) +#endif + +/* + * Filesystem type and version. + * Used to interpret other filesystem-specific + * per-partition information. + */ +#define FS_UNUSED 0 /* unused */ +#define FS_SWAP 1 /* swap */ +#define FS_V6 2 /* Sixth Edition */ +#define FS_V7 3 /* Seventh Edition */ +#define FS_SYSV 4 /* System V */ +#define FS_V71K 5 /* V7 with 1K blocks (4.1, 2.9) */ +#define FS_V8 6 /* Eighth Edition, 4K blocks */ +#define FS_BSDFFS 7 /* 4.2BSD fast file system */ +#define FS_MSDOS 8 /* MSDOS file system */ +#define FS_BSDLFS 9 /* 4.4BSD log-structured file system */ +#define FS_OTHER 10 /* in use, but unknown/unsupported */ +#define FS_HPFS 11 /* OS/2 high-performance file system */ +#define FS_ISO9660 12 /* ISO 9660, normally CD-ROM */ +#define FS_BOOT 13 /* partition contains bootstrap */ +#define FS_ADOS 14 /* AmigaDOS fast file system */ +#define FS_HFS 15 /* Macintosh HFS */ +#define FS_ADFS 16 /* Acorn Disk Filing System */ +#define FS_EXT2FS 17 /* ext2fs */ +#define FS_CCD 18 /* ccd component */ +#define FS_RAID 19 /* RAIDframe or softraid */ +#define FS_NTFS 20 /* Windows/NT file system */ +#define FS_UDF 21 /* UDF (DVD) filesystem */ + +#ifdef DKTYPENAMES +static char *fstypenames[] = { + "unused", + "swap", + "Version6", + "Version7", + "SystemV", + "4.1BSD", + "Eighth-Edition", + "4.2BSD", + "MSDOS", + "4.4LFS", + "unknown", + "HPFS", + "ISO9660", + "boot", + "ADOS", + "HFS", + "ADFS", + "ext2fs", + "ccd", + "RAID", + "NTFS", + "UDF", + NULL +}; + +/* Similar to the above, but used for things like the mount command. */ +static char *fstypesnames[] = { + "", /* 0 */ + "", /* 1 */ + "", /* 2 */ + "", /* 3 */ + "", /* 4 */ + "", /* 5 */ + "", /* 6 */ + "ffs", /* 7 */ + "msdos", /* 8 */ + "lfs", /* 9 */ + "", /* 10 */ + "", /* 11 */ + "cd9660", /* 12 */ + "", /* 13 */ + "ados", /* 14 */ + "", /* 15 */ + "", /* 16 */ + "ext2fs", /* 17 */ + "", /* 18 */ + "", /* 19 */ + "ntfs", /* 20 */ + "udf", /* 21 */ + NULL +}; + +#define FSMAXTYPES (sizeof(fstypenames) / sizeof(fstypenames[0]) - 1) +#endif + +/* + * flags shared by various drives: + */ +#define D_BADSECT 0x04 /* supports bad sector forw. */ +#define D_VENDOR 0x08 /* vendor disklabel */ + +/* + * Drive data for SMD. + */ +#define d_smdflags d_drivedata[0] +#define D_SSE 0x1 /* supports skip sectoring */ +#define d_mindist d_drivedata[1] +#define d_maxdist d_drivedata[2] +#define d_sdist d_drivedata[3] + +/* + * Drive data for ST506. + */ +#define d_precompcyl d_drivedata[0] +#define d_gap3 d_drivedata[1] /* used only when formatting */ + +/* + * Drive data for SCSI. + */ +#define d_blind d_drivedata[0] + +#ifndef _LOCORE +/* + * Structure used internally to retrieve information about a partition + * on a disk. + */ +struct partinfo { + struct disklabel *disklab; + struct partition *part; +}; + +/* GUID partition table -- located at sector 1 of some disks. */ +#define GPTSECTOR 1 /* DOS boot block relative sector # */ +#define GPTSIGNATURE 0x5452415020494645LL + /* ASCII string "EFI PART" encoded as 64-bit */ +#define GPTREVISION 0x10000 /* GPT header version 1.0 */ +#define NGPTPARTITIONS 128 +#define GPTDOSACTIVE 0x2 +#define GPTMINHDRSIZE 92 +#define GPTMINPARTSIZE 128 +#define GPTPARTNAMESIZE 36 + +/* all values in the GPT need to be little endian as per UEFI specification */ +struct gpt_header { + u_int64_t gh_sig; /* "EFI PART" */ + u_int32_t gh_rev; /* GPT Version 1.0: 0x00000100 */ + u_int32_t gh_size; /* Little-Endian */ + u_int32_t gh_csum; /* CRC32: with this field as 0 */ + u_int32_t gh_rsvd; /* always zero */ + u_int64_t gh_lba_self; /* LBA of this header */ + u_int64_t gh_lba_alt; /* LBA of alternate header */ + u_int64_t gh_lba_start; /* first usable LBA */ + u_int64_t gh_lba_end; /* last usable LBA */ + struct uuid gh_guid; /* disk GUID used to identify the disk */ + u_int64_t gh_part_lba; /* starting LBA of GPT partition entries */ + u_int32_t gh_part_num; /* # of partition entries */ + u_int32_t gh_part_size; /* size per entry, shall be 128*(2**n) + with n >= 0 */ + u_int32_t gh_part_csum; /* CRC32 checksum of all partition entries: + * starts at gh_part_lba and is computed over + * a byte length of gh_part_num*gh_part_size */ + /* the rest of the block is reserved by UEFI and must be zero */ +}; + +struct gpt_partition { + struct uuid gp_type; /* partition type GUID */ + struct uuid gp_guid; /* unique partition GUID */ + u_int64_t gp_lba_start; /* starting LBA of this partition */ + u_int64_t gp_lba_end; /* ending LBA of this partition, inclusive, + usually odd */ + u_int64_t gp_attrs; /* attribute flags */ + u_int16_t gp_name[GPTPARTNAMESIZE]; /* partition name, utf-16le */ + /* the rest of the GPT partition entry, if any, is reserved by UEFI + and must be zero */ +}; + +#define GPT_UUID_UNUSED \ + { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, \ + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } +#define GPT_UUID_MSDOS \ + { 0xeb, 0xd0, 0xa0, 0xa2, 0xb9, 0xe5, 0x44, 0x33, \ + 0x87, 0xc0, 0x68, 0xb6, 0xb7, 0x26, 0x99, 0xc7 } +#define GPT_UUID_EFI_SYSTEM \ + { 0xc1, 0x2a, 0x73, 0x28, 0xf8, 0x1f, 0x11, 0xd2, \ + 0xba, 0x4b, 0x00, 0xa0, 0xc9, 0x3e, 0xc9, 0x3b } +#define GPT_UUID_LEGACY_MBR \ + { 0x02, 0x4d, 0xee, 0x41, 0x33, 0x37, 0x11, 0xd3, \ + 0x9d, 0x69, 0x00, 0x08, 0xc7, 0x81, 0xf3, 0x9f } +#define GPT_UUID_OPENBSD \ + { 0x82, 0x4c, 0xc7, 0xa0, 0x36, 0xa8, 0x11, 0xe3, \ + 0x89, 0x0a, 0x95, 0x25, 0x19, 0xad, 0x3f, 0x61 } +#define GPT_UUID_CHROMEROOTFS \ + { 0x3c, 0xb8, 0xe2, 0x02, 0x3b, 0x7e, 0x47, 0xdd, \ + 0x8a, 0x3c, 0x7f, 0xf2, 0xa1, 0x3c, 0xfc, 0xec } +#define GPT_UUID_LINUX \ + { 0x0f, 0xc6, 0x3d, 0xaf, 0x84, 0x83, 0x47, 0x72, \ + 0x8e, 0x79, 0x3d, 0x69, 0xd8, 0x47, 0x7d, 0xe4 } +#define GPT_UUID_LINUX_HOME \ + { 0x93, 0x3a, 0xc7, 0xe1, 0x2e, 0xb4, 0x4f, 0x13, \ + 0xb8, 0x44, 0x0e, 0x14, 0xe2, 0xae, 0xf9, 0x15 } +#define GPT_UUID_LINUX_SRV \ + { 0x3b, 0x8f, 0x84, 0x25, 0x20, 0xe0, 0x4f, 0x3b, \ + 0x90, 0x7f, 0x1a, 0x25, 0xa7, 0x6f, 0x98, 0xe8 } +#define GPT_UUID_FBSD_DATA \ + { 0x51, 0x6e, 0x7c, 0xb4, 0x6e, 0xcf, 0x11, 0xd6, \ + 0x8f, 0xf8, 0x00, 0x02, 0x2d, 0x09, 0x71, 0x2b } +#define GPT_UUID_FBSD_UFS \ + { 0x51, 0x6e, 0x7c, 0xb6, 0x6e, 0xcf, 0x11, 0xd6, \ + 0x8f, 0xf8, 0x00, 0x02, 0x2d, 0x09, 0x71, 0x2b } +#define GPT_UUID_NBSD_UFS \ + { 0x49, 0xf4, 0x8d, 0x5a, 0xb1, 0x0e, 0x11, 0xdc, \ + 0xb9, 0x9b, 0x00, 0x19, 0xd1, 0x87, 0x96, 0x48 } +#define GPT_UUID_APPLE_HFS \ + { 0x48, 0x46, 0x53, 0x00, 0x00, 0x00, 0x11, 0xaa, \ + 0xaa, 0x11, 0x00, 0x30, 0x65, 0x43, 0xec, 0xac } +#define GPT_UUID_APPLE_UFS \ + { 0x55, 0x46, 0x53, 0x00, 0x00, 0x00, 0x11, 0xaa, \ + 0xaa, 0x11, 0x00, 0x30, 0x65, 0x43, 0xec, 0xac } + +/* DOS partition table -- located at start of some disks. */ +#define DOS_LABELSECTOR 1 +#define DOSBBSECTOR 0 /* DOS boot block relative sector # */ +#define DOSPARTOFF 446 +#define DOSDISKOFF 444 +#define NDOSPART 4 +#define DOSACTIVE 0x80 /* active partition */ + +#define DOSMBR_SIGNATURE (0xaa55) +#define DOSMBR_SIGNATURE_OFF (0x1fe) + +/* Maximum number of Extended Boot Records (EBRs) to traverse. */ +#define DOS_MAXEBR 256 + +struct dos_partition { + u_int8_t dp_flag; /* bootstrap flags */ + u_int8_t dp_shd; /* starting head */ + u_int8_t dp_ssect; /* starting sector */ + u_int8_t dp_scyl; /* starting cylinder */ + u_int8_t dp_typ; /* partition type (see below) */ + u_int8_t dp_ehd; /* end head */ + u_int8_t dp_esect; /* end sector */ + u_int8_t dp_ecyl; /* end cylinder */ + u_int32_t dp_start; /* absolute starting sector number */ + u_int32_t dp_size; /* partition size in sectors */ +}; + +/* Isolate the relevant bits to get sector and cylinder. */ +#define DPSECT(s) ((s) & 0x3f) +#define DPCYL(c, s) ((c) + (((s) & 0xc0) << 2)) + +/* Known DOS partition types. */ +#define DOSPTYP_UNUSED 0x00 /* Unused partition */ +#define DOSPTYP_FAT12 0x01 /* 12-bit FAT */ +#define DOSPTYP_FAT16S 0x04 /* 16-bit FAT, less than 32M */ +#define DOSPTYP_EXTEND 0x05 /* Extended; contains sub-partitions */ +#define DOSPTYP_FAT16B 0x06 /* 16-bit FAT, more than 32M */ +#define DOSPTYP_NTFS 0x07 /* NTFS */ +#define DOSPTYP_FAT32 0x0b /* 32-bit FAT */ +#define DOSPTYP_FAT32L 0x0c /* 32-bit FAT, LBA-mapped */ +#define DOSPTYP_FAT16L 0x0e /* 16-bit FAT, LBA-mapped */ +#define DOSPTYP_EXTENDL 0x0f /* Extended, LBA-mapped; (sub-partitions) */ +#define DOSPTYP_ONTRACK 0x54 +#define DOSPTYP_LINUX 0x83 /* That other thing */ +#define DOSPTYP_FREEBSD 0xa5 /* FreeBSD partition type */ +#define DOSPTYP_OPENBSD 0xa6 /* OpenBSD partition type */ +#define DOSPTYP_NETBSD 0xa9 /* NetBSD partition type */ +#define DOSPTYP_EFI 0xee /* EFI Protective Partition */ +#define DOSPTYP_EFISYS 0xef /* EFI System Partition */ + +struct dos_mbr { + u_int8_t dmbr_boot[DOSPARTOFF]; + struct dos_partition dmbr_parts[NDOSPART]; + u_int16_t dmbr_sign; +} __packed; + +#ifdef _KERNEL +void diskerr(struct buf *, char *, char *, int, int, struct disklabel *); +u_int dkcksum(struct disklabel *); +int initdisklabel(struct disklabel *); +int checkdisklabel(void *, struct disklabel *, u_int64_t, u_int64_t); +int setdisklabel(struct disklabel *, struct disklabel *, u_int); +int readdisklabel(dev_t, void (*)(struct buf *), struct disklabel *, int); +int writedisklabel(dev_t, void (*)(struct buf *), struct disklabel *); +int bounds_check_with_label(struct buf *, struct disklabel *); +int readdisksector(struct buf *, void (*)(struct buf *), + struct disklabel *, u_int64_t); +int readdoslabel(struct buf *, void (*)(struct buf *), + struct disklabel *, daddr_t *, int); +#ifdef CD9660 +int iso_disklabelspoof(dev_t dev, void (*strat)(struct buf *), + struct disklabel *lp); +#endif +#ifdef UDF +int udf_disklabelspoof(dev_t dev, void (*strat)(struct buf *), + struct disklabel *lp); +#endif +#endif +#endif /* _LOCORE */ + +#if !defined(_KERNEL) && !defined(_LOCORE) + +#include + +__BEGIN_DECLS +struct disklabel *getdiskbyname(const char *); +__END_DECLS + +#endif -- cgit v1.2.3