diff options
Diffstat (limited to 'usr/src/uts/common/io/i2o/label.c')
| -rw-r--r-- | usr/src/uts/common/io/i2o/label.c | 915 |
1 files changed, 0 insertions, 915 deletions
diff --git a/usr/src/uts/common/io/i2o/label.c b/usr/src/uts/common/io/i2o/label.c deleted file mode 100644 index aeaefff448..0000000000 --- a/usr/src/uts/common/io/i2o/label.c +++ /dev/null @@ -1,915 +0,0 @@ -/* - * CDDL HEADER START - * - * The contents of this file are subject to the terms of the - * Common Development and Distribution License, Version 1.0 only - * (the "License"). You may not use this file except in compliance - * with the License. - * - * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE - * or http://www.opensolaris.org/os/licensing. - * See the License for the specific language governing permissions - * and limitations under the License. - * - * When distributing Covered Code, include this CDDL HEADER in each - * file and include the License file at usr/src/OPENSOLARIS.LICENSE. - * If applicable, add the following below this CDDL HEADER, with the - * fields enclosed by brackets "[]" replaced with your own identifying - * information: Portions Copyright [yyyy] [name of copyright owner] - * - * CDDL HEADER END - */ -/* - * Copyright 2004 Sun Microsystems, Inc. All rights reserved. - * Use is subject to license terms. - */ - -#pragma ident "%Z%%M% %I% %E% SMI" - - -#include <sys/errno.h> -#include <sys/param.h> -#include <sys/systm.h> -#include <sys/user.h> -#include <sys/buf.h> -#include <sys/file.h> -#include <sys/cmn_err.h> -#include <sys/uio.h> -#include <sys/kmem.h> -#include <sys/sysmacros.h> -#include <sys/stat.h> -#include <sys/scsi/scsi.h> -#include <sys/stat.h> - -#include <sys/fdio.h> - -#include <sys/errno.h> -#include <sys/open.h> -#include <sys/varargs.h> -#include <sys/fs/pc_label.h> - -#include <sys/hdio.h> -#include <sys/dkio.h> - -#include <sys/dklabel.h> - -#include <sys/vtoc.h> - - -#include <sys/types.h> -#include <sys/conf.h> -#include <sys/dditypes.h> -#include <sys/ddi.h> -#include <sys/sunddi.h> - -#include <sys/dktp/fdisk.h> - - -#include <sys/fs/pc_label.h> - -#include <sys/i2o/i2omsg.h> -#include "i2o_bs.h" - - -static int dsklbl_chk(struct dk_label *, unsigned short *); -static void dsklbl_preplb(dsk_label_t *, dev_t, struct cb_ops *, int); -static void dsklbl_convert_lbl_to_pmap(struct dk_label *, dsk_label_t *); -static void dsklbl_savelb(struct dk_label *, dsk_label_t *); -static int dsklbl_rdvtoc(dsk_label_t *, struct buf *, struct cb_ops *); -char *partition_type(unsigned char); -void dsklbl_read_label(struct buf *, dsk_label_t *, struct cb_ops *, - struct dk_geom *, int); -void dsklbl_mprint(struct partition *); -int dsklbl_wrvtoc(dsk_label_t *, struct vtoc *, struct buf *, - struct cb_ops *); -void dsklbl_ondsklabel_to_vtoc(dsk_label_t *, struct vtoc *); -void dsklbl_vtoc_to_ondsklabel(dsk_label_t *, struct vtoc *); -void dsklbl_dgtoug(struct dk_geom *, struct dk_label *); -void dsklbl_ugtodg(struct dk_geom *, struct dk_label *); - -#ifdef DLBL_DEBUG -int label_debug = 1; - -#define DEBUGF(flag, args) \ - { if (label_debug & (flag)) cmn_err args; } -#else -#define DEBUGF(level, args) /* nothing */ -#endif - -static int -dsklbl_chk(struct dk_label *lbp, unsigned short *cksum) -{ - short *sp; - short count; - unsigned short sum; - - /* - * Check magic number of the label - */ - if (lbp->dkl_magic != DKL_MAGIC) { - DEBUGF(1, (CE_CONT, "?dsklbl_chk: magic: %x not MAGIC:" - "%x\n", lbp->dkl_magic, DKL_MAGIC)); - return (DDI_FAILURE); - } - if (lbp->dkl_vtoc.v_sanity != VTOC_SANE) { - DEBUGF(1, (CE_CONT, "?dsklbl_chk:sanity: %x not SANE:" - "%x\n", lbp->dkl_vtoc.v_sanity, VTOC_SANE)); - return (DDI_FAILURE); - } - if (lbp->dkl_vtoc.v_version != V_VERSION) { - DEBUGF(1, (CE_CONT, "?dsklbl_chk:version: %x not %x\n", - lbp->dkl_vtoc.v_version, V_VERSION)); - return (DDI_FAILURE); - } - - /* - * Check the checksum of the label - */ - sp = (short *)lbp; - sum = 0; - count = sizeof (struct dk_label) / sizeof (short); - while (count--) { - sum ^= *sp++; - } - - *cksum = sum; - if (sum) - return (DDI_FAILURE); - return (DDI_SUCCESS); -} - -/* - * We have this wonderful scenario where there exists two different kind - * of labeling scheme the x86/ppc vs. Sparc they are sufficiently different - * (read broken) that it justifies having two completely different preplb - * routines. - */ - -static void -dsklbl_preplb(dsk_label_t *lblp, dev_t dev, struct cb_ops *dev_ops, int type) -{ - long disksize; - struct dk_geom dkg; - int rval; - int s2size; - - - DEBUGF(1, (CE_CONT, "?dlbl_preplb(%x, %x)\n", lblp, dev)); - - bzero(&dkg, sizeof (struct dk_geom)); - bzero(&lblp->ondsklbl, sizeof (struct dk_label)); - - (*dev_ops->cb_ioctl)(dev, DKIOCG_PHYGEOM, - (uintptr_t)&dkg, FKIOCTL, (cred_t *)0, &rval); - - -#if defined(_SUNOS_VTOC_16) - lblp->ondsklbl.dkl_pcyl = lblp->pmap[FDISK_OFFSET+lblp->uidx].p_size / - (dkg.dkg_nhead * dkg.dkg_nsect); - - DEBUGF(1, (CE_CONT, "?dsklbl_preplb(p_size = %d, nhead = %d" - "nsect = %d)\n", - (lblp->pmap[FDISK_OFFSET+lblp->uidx].p_size), dkg.dkg_nhead, - dkg.dkg_nsect)); - -#elif defined(_SUNOS_VTOC_8) - lblp->ondsklbl.dkl_pcyl = (unsigned short)(lblp->pmap[FDISK_OFFSET+ - lblp->uidx].p_size / - (long)(dkg.dkg_nhead * dkg.dkg_nsect)); -#endif - - - - lblp->ondsklbl.dkl_acyl = 2; - lblp->ondsklbl.dkl_ncyl = lblp->ondsklbl.dkl_pcyl - - lblp->ondsklbl.dkl_acyl; - - /* or can use the size saved in ata_data (consider generic case */ - disksize = lblp->ondsklbl.dkl_ncyl * dkg.dkg_nhead * dkg.dkg_nsect; - - - lblp->ondsklbl.dkl_intrlv = 1; - lblp->ondsklbl.dkl_apc = 0; - lblp->ondsklbl.dkl_vtoc.v_nparts = V_NUMPAR; - lblp->ondsklbl.dkl_magic = DKL_MAGIC; - - lblp->ondsklbl.dkl_vtoc.v_sanity = VTOC_SANE; - lblp->ondsklbl.dkl_vtoc.v_version = V_VERSION; - - - /* - * Set up the p0 partition - */ - lblp->pmap[FPART_WHOLE+FDISK_OFFSET].p_start = 0; - lblp->pmap[FPART_WHOLE+FDISK_OFFSET].p_size = disksize; - lblp->pmap[FPART_WHOLE+FDISK_OFFSET].p_flag = V_UNMNT; - - - - /* NEEDS WORK add support for SPARC for CD */ - /* - * If CD-ROM, special-case: - * - lie about head/sect/cyl to get at every block on the disk - * - add full disk as slices 0 and 2 to the label - */ - - if (type == DKC_CDROM) { - /* - * Not heads * sectors * cyls, but the whole thing - * This applies later, to s2, as well. - */ - - - lblp->ondsklbl.dkl_nhead = 1; - lblp->ondsklbl.dkl_nsect = 1; - - /* NEEDS WORK get it from IOP probably not SD uses it too */ - lblp->ondsklbl.dkl_rpm = 200; - -#if defined(_SUNOS_VTOC_16) - - lblp->ondsklbl.dkl_vtoc.v_part[USLICE_WHOLE].p_start = 0; - lblp->ondsklbl.dkl_vtoc.v_part[USLICE_WHOLE].p_size = disksize; - lblp->ondsklbl.dkl_vtoc.v_part[USLICE_WHOLE].p_tag = V_BACKUP; - lblp->ondsklbl.dkl_vtoc.v_part[USLICE_WHOLE].p_flag = V_UNMNT; - - lblp->ondsklbl.dkl_vtoc.v_part[0].p_start = 0; - lblp->ondsklbl.dkl_vtoc.v_part[0].p_size = disksize; - lblp->ondsklbl.dkl_vtoc.v_part[0].p_tag = V_BACKUP; - lblp->ondsklbl.dkl_vtoc.v_part[0].p_flag = V_UNMNT; - - -#elif defined(_SUNOS_VTOC_8) - - /* Add full disk slice as slice 2 to the disk */ - - lblp->ondsklbl.dkl_map[USLICE_WHOLE].dkl_cylno = 0; - lblp->ondsklbl.dkl_map[USLICE_WHOLE].dkl_nblk = disksize; - - lblp->ondsklbl.dkl_map[0].dkl_cylno = 0; - lblp->ondsklbl.dkl_map[USLICE_WHOLE].dkl_nblk = disksize; - - - -#else -#error No VTOC format defined. -#endif - } else { - - /* NONE CD case */ - - - lblp->ondsklbl.dkl_nhead = dkg.dkg_nhead; - lblp->ondsklbl.dkl_nsect = dkg.dkg_nsect; - - lblp->ondsklbl.dkl_rpm = 3600; - - /* Add boot disk slice as slice 8 to the disk */ - - - /* - * There is a number of cases we have to worry about: - * - * 1) There is an fdisk partition but no Solaris partition. - * In this case the s2 slice size is zero since a valid - * Solaris partition must be present for us to decide the - * the size of the Solaris partition. - * - * 2) There is an fdisk parition and a Solaris partition. - * We got here because the Solaris partition was not labeled - * or the label has been corrupted, declare the entire Solaris - * parition as the s2 slice - * - * 3) There is no fdisk partition. - * We have to declare the entire disk as the s2 slice, - * with some room for the fdisk partition (I think) - */ - - if (lblp->fdiskpresent) { - if (lblp->uidx == 0) { /* FDISK - Solaris (1 above) */ - s2size = 0; - } else { /* FDISK + Solaris (2 above) */ - s2size = lblp->pmap[lblp->uidx+FDISK_OFFSET].p_size; - } - } else { /* No FDISK (3 above) */ - s2size = disksize; - } -#if defined(_SUNOS_VTOC_16) - /* - * If this is x86/PowerPC format label - */ - - lblp->ondsklbl.dkl_vtoc.v_sectorsz = NBPSCTR; - - /* Add full disk slice as slice 2 to the disk */ - - lblp->ondsklbl.dkl_vtoc.v_part[USLICE_WHOLE].p_start = 0; - lblp->ondsklbl.dkl_vtoc.v_part[USLICE_WHOLE].p_size = s2size; - lblp->ondsklbl.dkl_vtoc.v_part[USLICE_WHOLE].p_tag = V_BACKUP; - lblp->ondsklbl.dkl_vtoc.v_part[USLICE_WHOLE].p_flag = V_UNMNT; - - lblp->ondsklbl.dkl_vtoc.v_part[8].p_start = 0; - lblp->ondsklbl.dkl_vtoc.v_part[8].p_size = - dkg.dkg_nhead * dkg.dkg_nsect; - lblp->ondsklbl.dkl_vtoc.v_part[8].p_tag = V_BOOT; - lblp->ondsklbl.dkl_vtoc.v_part[8].p_flag = V_UNMNT; - - /* For now this is not a requirenment */ - /* Add Alternates disk slice as slice 9 to the disk */ - - lblp->ondsklbl.dkl_vtoc.v_part[9].p_start = - dkg.dkg_nhead * dkg.dkg_nsect; - lblp->ondsklbl.dkl_vtoc.v_part[9].p_size = - 2 * dkg.dkg_nhead * dkg.dkg_nsect; - lblp->ondsklbl.dkl_vtoc.v_part[9].p_tag = V_ALTSCTR; - lblp->ondsklbl.dkl_vtoc.v_part[9].p_flag = 0; - - (void) sprintf(lblp->ondsklbl.dkl_vtoc.v_asciilabel, - "DEFAULT cyl %d alt %d hd %d sec %d", - lblp->ondsklbl.dkl_ncyl, - lblp->ondsklbl.dkl_acyl, - lblp->ondsklbl.dkl_nhead, - lblp->ondsklbl.dkl_nsect); -#elif defined(_SUNOS_VTOC_8) - - /* Add full disk slice as slice 2 to the disk */ - - lblp->ondsklbl.dkl_map[USLICE_WHOLE].dkl_cylno = 0; - lblp->ondsklbl.dkl_map[USLICE_WHOLE].dkl_nblk = s2size; - - (void) sprintf(lblp->ondsklbl.dkl_asciilabel, - "DEFAULT cyl %d alt %d hd %d sec %d", - lblp->ondsklbl.dkl_ncyl, - lblp->ondsklbl.dkl_acyl, - lblp->ondsklbl.dkl_nhead, - lblp->ondsklbl.dkl_nsect); -#else -#error No VTOC format defined. -#endif - - - - } - - (void) dsklbl_chk(&lblp->ondsklbl, &(lblp->ondsklbl.dkl_cksum)); - /* - * now that an on disk label is manufactured, convert so - * that we start using right away - * is this the right thing to do, we also need a mutex - * to protext it. - * - * dsklbl_convert_lbl_to_pmap(&lblp->ondsklbl, lblp); - * - */ - -} - -static void -dsklbl_convert_lbl_to_pmap(struct dk_label *lbp, dsk_label_t *lblp) -{ - int i; -#if defined(_SUNOS_VTOC_16) - bcopy((caddr_t)&lbp->dkl_vtoc.v_part, - (caddr_t)lblp->pmap, sizeof (lbp->dkl_vtoc.v_part)); -#elif defined(_SUNOS_VTOC_8) - for (i = 0; i < NDKMAP; i++) { - lblp->pmap[i].p_tag = lbp->dkl_vtoc.v_part[i].p_tag; - lblp->pmap[i].p_flag = lbp->dkl_vtoc.v_part[i].p_flag; - lblp->pmap[i].p_start = lbp->dkl_map[i].dkl_cylno * - lblp->ondsklbl.dkl_nhead * lblp->ondsklbl.dkl_nsect; - lblp->pmap[i].p_size = lbp->dkl_map[i].dkl_nblk; - } -#else -#error No VTOC format defined. -#endif - for (i = 0; i < NDKMAP; i++) { - lblp->pmap[i].p_start += - lblp->pmap[lblp->uidx+FDISK_OFFSET].p_start; - } -} - -static void -dsklbl_savelb(struct dk_label *lbp, dsk_label_t *lblp) -{ - /* - * save the disk label in memory - */ - - bcopy((caddr_t)lbp, (caddr_t)&lblp->ondsklbl, sizeof (*lbp)); - - dsklbl_convert_lbl_to_pmap(lbp, lblp); -#ifdef DLBL_DEBUG - dsklbl_mprint(lblp->pmap); -#endif -} - -static int -dsklbl_rdvtoc(dsk_label_t *lblp, struct buf *bp, struct cb_ops *dev_ops) -{ - struct dk_label *lbp; - unsigned short sum; - - /* - * read the label - */ - DEBUGF(1, (CE_CONT, "?dsklbl_rdvtoc(%x, %x)\n", lblp, bp)); - bp->b_bcount = 1 * DEV_BSIZE; - bp->b_flags = B_READ; - bp->b_blkno = lblp->pmap[FDISK_OFFSET+lblp->uidx].p_start+VTOC_OFFSET; - - (*dev_ops->cb_strategy)(bp); - (void) biowait(bp); - - - lbp = (struct dk_label *)bp->b_un.b_addr; - - /* - * check label - */ - if ((!lbp) || (dsklbl_chk(lbp, &sum) == DDI_FAILURE)) { - DEBUGF(1, (CE_CONT, - "?label does not have a valid checksum\n")); - return (DDI_FAILURE); - } - /* - * record label information - */ - dsklbl_savelb(lbp, lblp); - lblp->vtocread = 1; - - return (DDI_SUCCESS); -} - - -struct { - unsigned char id; - char *name; -} partitionname[] = { - { 0x01, "DOS 12-bit FAT" }, - { 0x02, "XENIX /" }, - { 0x03, "XENIX /usr" }, - { 0x04, "DOS 16-bit FAT <32M" }, - { 0x05, "DOS Extended Partition" }, - { 0x06, "DOS 16-bit FAT >=32M" }, - { 0x07, "OS/2 IFS (e.g., HPFS) or NTFS or QNX2.x or Advanced UNIX" }, - { 0x08, "AIX boot or SplitDrive" }, - { 0x09, "AIX data or Coherent" }, - { 0x0a, "OS/2 Boot Manager" }, - { 0x0e, "DOS 16-bit FAT, CHS-mapped" }, - { 0x0f, "Extended partition, CHS-mapped" }, - { 0x10, "OPUS" }, - { 0x11, "OS/2 BM: Hidden DOS 12-bit FAT" }, - { 0x12, "Compaq config partition" }, - { 0x14, "OS/2 BM: Hidden DOS 16-bit FAT <32M" }, - { 0x16, "OS/2 BM: Hidden DOS 16-bit FAT >=32M" }, - { 0x17, "OS/2 BM: Hidden IFS (e.g., HPFS)" }, - { 0x18, "AST Windows swapfile" }, - { 0x24, "NEC DOS" }, - { 0x3c, "PartitionMagic recovery partition" }, - { 0x40, "Venix 80286" }, - { 0x41, "Linux/MINIX (sharing disk with DRDOS)" }, - { 0x42, "Linux swap (sharing disk with DRDOS) or SFS" }, - { 0x43, "Linux native (sharing disk with DRDOS)" }, - { 0x50, "OnTrack DM RO" }, - { 0x51, "OnTrack DM RW (DM6 Aux1) or Novell" }, - { 0x52, "CP/M or Microport SysV/AT" }, - { 0x53, "DM6 Aux3" }, - { 0x54, "DM6" }, - { 0x55, "EZ-Drive" }, - { 0x56, "Golden Bow VFeature Partitioned Volume." }, - { 0x5C, "Priam EDisk" }, - { 0x61, "SpeedStor" }, - { 0x63, "Unix System V (SCO, ISC UNIX, UnixWare, ...)" }, - { 0x64, "Novell Netware 2.xx" }, - { 0x65, "Novell Netware 3.xx or 4.xx" }, - { 0x70, "DiskSecure Multi-Boot" }, - { 0x75, "PC/IX" }, - { 0x77, "QNX4.x" }, - { 0x78, "QNX4.x 2nd part" }, - { 0x79, "QNX4.x 3rd part" }, - { 0x80, "MINIX until 1.4a" }, - { 0x81, "MINIX since 1.4b, early Linux, Mitac dmgr" }, - { 0x82, "Solaris" }, - { 0x83, "Linux native" }, - { 0x84, "OS/2 hidden C: drive" }, - { 0x85, "Linux extended partition" }, - { 0x86, "NTFS volume set??" }, - { 0x87, "NTFS volume set??" }, - { 0x93, "Amoeba" }, - { 0x94, "Amoeba bad track table" }, - { 0xa0, "IBM Thinkpad hibernation partition" }, - { 0xa5, "BSD/386, 386BSD, NetBSD, FreeBSD" }, - { 0xa7, "NEXTSTEP" }, - { 0xb7, "BSDI fs" }, - { 0xb8, "BSDI swap" }, - { 0xc1, "DRDOS/sec (FAT-12)" }, - { 0xc4, "DRDOS/sec (FAT-16, < 32M)" }, - { 0xc6, "DRDOS/sec (FAT-16, >= 32M)" }, - { 0xc7, "Syrinx" }, - { 0xdb, "Concurrent CP/M or Concurrent DOS or CTOS" }, - { 0xe1, "DOS access or SpeedStor 12-bit FAT extended partition" }, - { 0xe3, "DOS R/O or SpeedStor" }, - { 0xe4, "SpeedStor 16-bit FAT extended partition < 1024 cyl." }, - { 0xf1, "SpeedStor" }, - { 0xf2, "DOS 3.3+ secondary" }, - { 0xf4, "SpeedStor large partition" }, - { 0xfe, "SpeedStor >1024 cyl. or LANstep" }, - { 0xff, "Xenix Bad Block Table" } -}; - -char * -partition_type(unsigned char systid) -{ - int i; - - for (i = 0; i < sizeof (partitionname)/sizeof (partitionname[0]); i++) - if (partitionname[i].id == systid) - return (partitionname[i].name); - - return ("Unknown"); -} - -int -parse_fdisk_lbl(struct buf *bp, dsk_label_t *lblp, struct cb_ops *dev_ops, - struct dk_geom *dkg, int type) -{ - struct mboot *mbp; - struct ipart *fdp; - int i, uidx; - struct ipart fdisk[FD_NUMPART]; - - /* - * The whole disk is represented here (this is the p0 partition.) - */ - lblp->pmap[FPART_WHOLE+FDISK_OFFSET].p_start = 0; - lblp->pmap[FPART_WHOLE+FDISK_OFFSET].p_size = - dkg->dkg_ncyl * dkg->dkg_nhead * dkg->dkg_nsect; - lblp->pmap[FPART_WHOLE+FDISK_OFFSET].p_flag = V_UNMNT; - - mbp = (struct mboot *)bp->b_un.b_addr; - - if (!mbp || ltohs(mbp->signature) != MBB_MAGIC) { - - DEBUGF(1, (CE_CONT, - "?lbl 0x%x does not have an fdisk table.\n", - bp->b_edev)); -#ifdef DLBL_DEBUG - if (mbp) - DEBUGF(1, (CE_CONT, "?lbl " - "expteced magic: 0x%x got 0x%x\n", - MBB_MAGIC, ltohs(mbp->signature))); -#endif - DEBUGF(1, (CE_CONT, - "parse_label: b_edev %x " - "b_dev = %x\n", - bp->b_edev, bp->b_dev)); - - lblp->fdiskpresent = 0; - lblp->uidx = 0; - if (dsklbl_rdvtoc(lblp, bp, dev_ops) == DDI_FAILURE) { - bp->b_dev = cmpdev(bp->b_edev); - dsklbl_preplb(lblp, bp->b_edev, dev_ops, type); - } - return (DDI_SUCCESS); - } - /* - * The fdisk table does not begin on a 4-byte boundary within - * the master boot record; so, we need to recopy its contents to - * another data structure to avoid an alignment exception. - * This is not necessary for x86, but it avoids ifdefs - */ - fdp = fdisk; - bcopy((caddr_t)&(mbp->parts[0]), (caddr_t)fdp, sizeof (fdisk)); - - DEBUGF(1, (CE_CONT, - "?---------------------- Partition Table -----------------\n")); - DEBUGF(1, (CE_CONT, "?index relsect numsect type\n")); - DEBUGF(1, (CE_CONT, - "?------- ------- ------- -----------------------------\n")); - - for (uidx = 0, i = 1; i <= FD_NUMPART; i++, fdp++) { - if (!fdp->numsect) { - lblp->pmap[i+FDISK_OFFSET].p_flag = V_INVALID; - continue; - } - lblp->pmap[i+FDISK_OFFSET].p_start = ltohi(fdp->relsect); - lblp->pmap[i+FDISK_OFFSET].p_size = ltohi(fdp->numsect); - DEBUGF(1, (CE_CONT, "?%7d %7d %7d %4x (%s)\n", i, - ltohi(fdp->relsect), - ltohi(fdp->numsect), - fdp->systid, partition_type(fdp->systid))); - if (fdp->systid == SUNIXOS || fdp->systid == SUNIXOS2) { - if (uidx == 0) - uidx = i; - else if (fdp->bootid == ACTIVE) - uidx = i; - } - } - - lblp->fdiskpresent = 1; - lblp->uidx = uidx; - if (dsklbl_rdvtoc(lblp, bp, dev_ops) == DDI_FAILURE) { - bp->b_dev = cmpdev(bp->b_edev); - dsklbl_preplb(lblp, bp->b_edev, dev_ops, type); - - } - return (DDI_SUCCESS); -} - -void -dsklbl_read_label(struct buf *bp, dsk_label_t *lblp, struct cb_ops *dev_ops, - struct dk_geom *dkg, int type) -{ - /* - * read the label - */ - - bp->b_bcount = 1 * DEV_BSIZE; - bp->b_flags = B_READ; - bp->b_blkno = 0; - (*dev_ops->cb_strategy)(bp); - (void) biowait(bp); - (void) parse_fdisk_lbl(bp, lblp, dev_ops, dkg, type); -} - -#ifdef DLBL_DEBUG -void -dsklbl_mprint(struct partition *pp) -{ - int i; - - cmn_err(CE_CONT, "?----- UNIX slices -----\n"); - cmn_err(CE_CONT, "?slice start size\n"); - cmn_err(CE_CONT, "?----- ------ --------\n"); - for (i = 0; i < NDKMAP; i++, pp++) { - if (pp->p_size) { - cmn_err(CE_CONT, "?%5d %6x %x\n", i, pp->p_start, - pp->p_size); - } - } -} -#endif - - -int -dsklbl_wrvtoc(dsk_label_t *lblp, struct vtoc *vtocp, struct buf *bp, - struct cb_ops *dev_ops) -{ - register struct dk_label *lbp, *dp; - int status; - int backup_block; - int count; - - /* - * Data is originated from vtoc. One copy of the data is stored in - * lblp->ondsklbl. This is what we think of as the copy of the lable - * on this held in memory. The other copy (to the lbp) is to be - * written out to the disk. - */ - dp = &lblp->ondsklbl; - - bp->b_bcount = 1 * DEV_BSIZE; - bp->b_flags = B_WRITE | B_BUSY; - - lbp = (struct dk_label *)bp->b_un.b_addr; - - dsklbl_vtoc_to_ondsklabel(lblp, vtocp); - *lbp = lblp->ondsklbl; - - /* - * check label - */ - if (lblp->uidx) - bp->b_blkno = lblp->pmap[FDISK_OFFSET+lblp->uidx].p_start; - else - bp->b_blkno = 0; - bp->b_blkno += VTOC_OFFSET; - - - (*dev_ops->cb_strategy)(bp); - status = biowait(bp); - - if (status != 0 || dp->dkl_acyl == 0) - return (status); - - /* - * DO backup copies of vtoc - */ - - backup_block = ((dp->dkl_ncyl + dp->dkl_acyl - 1) * - (dp->dkl_nhead * dp->dkl_nsect)) + - ((dp->dkl_nhead - 1) * dp->dkl_nsect) + 1; - - bcopy((caddr_t)&(lblp->ondsklbl), (caddr_t)lbp, sizeof (*lbp)); - for (count = 1; count < 6; count++) { - - bp->b_blkno = - lblp->pmap[FDISK_OFFSET+lblp->uidx].p_start+backup_block; - bp->b_flags = B_WRITE | B_BUSY; - - (*dev_ops->cb_strategy)(bp); - (void) biowait(bp); - - backup_block += 2; - } - return (0); -} - - - -void -dsklbl_ondsklabel_to_vtoc(dsk_label_t *lblp, struct vtoc *vtocp) -{ -#if defined(_SUNOS_VTOC_16) - bcopy((caddr_t)&lblp->ondsklbl.dkl_vtoc, (caddr_t)vtocp, - sizeof (*vtocp)); -#elif defined(_SUNOS_VTOC_8) - int i; - long nblks; - struct dk_map2 *lpart; - struct dk_map *lmap; - struct partition *vpart; - - - /* - * Data is originated from vtoc. One copy of the data is stored in - * lblp->ondsklbl. This is what we think of as the copy of the label - * on the disk held in memory. The other copy (to the lbp) is to be - * written out to the disk. - */ - - /* - * Put appropriate vtoc structure fields into the disk label - * - */ - bcopy((caddr_t)(lblp->ondsklbl.dkl_vtoc.v_bootinfo), - (caddr_t)vtocp->v_bootinfo, sizeof (vtocp->v_bootinfo)); - - /* For now may want to add the sectorsz field to the generic structur */ - vtocp->v_sectorsz = NBPSCTR; /* sector size in bytes */ - - vtocp->v_sanity = lblp->ondsklbl.dkl_vtoc.v_sanity; - vtocp->v_version = lblp->ondsklbl.dkl_vtoc.v_version; - - bcopy((caddr_t)lblp->ondsklbl.dkl_vtoc.v_volume, - (caddr_t)vtocp->v_volume, LEN_DKL_VVOL); - - vtocp->v_nparts = lblp->ondsklbl.dkl_vtoc.v_nparts; - - bcopy((caddr_t)lblp->ondsklbl.dkl_vtoc.v_reserved, - (caddr_t)vtocp->v_reserved, sizeof (vtocp->v_reserved)); - - /* - * Note the conversion from starting sector number - * to starting cylinder number. - */ - nblks = lblp->ondsklbl.dkl_nsect * lblp->ondsklbl.dkl_nhead; - - lmap = lblp->ondsklbl.dkl_map; - lpart = (struct dk_map2 *)lblp->ondsklbl.dkl_vtoc.v_part; - vpart = vtocp->v_part; - - for (i = 0; i < (int)vtocp->v_nparts; i++) { - vpart->p_tag = lpart->p_tag; - vpart->p_flag = lpart->p_flag; - vpart->p_start = lmap->dkl_cylno * nblks; - vpart->p_size = lmap->dkl_nblk; - - lmap++; - lpart++; - vpart++; - } - - bcopy((caddr_t)lblp->ondsklbl.dkl_vtoc.v_timestamp, - (caddr_t)vtocp->timestamp, sizeof (vtocp->timestamp)); - - bcopy((caddr_t)lblp->ondsklbl.dkl_asciilabel, - (caddr_t)vtocp->v_asciilabel, - LEN_DKL_ASCII); - -#else -#error No VTOC format defined. -#endif -} - -void -dsklbl_vtoc_to_ondsklabel(dsk_label_t *lblp, struct vtoc *vtocp) -{ -#if defined(_SUNOS_VTOC_16) - bcopy((caddr_t)vtocp, (caddr_t)&(lblp->ondsklbl.dkl_vtoc), - sizeof (*vtocp)); -#elif defined(_SUNOS_VTOC_8) - /* - * Put appropriate vtoc structure fields into the disk label - * - */ - int i; - long nblks; - struct dk_map2 *lpart; - struct dk_map *lmap; - struct partition *vpart; - register struct dk_label *dp; - - /* - * Data is originated from vtoc. One copy of the data is stored in - * lblp->ondsklbl. This is what we think of as the copy of the label - * on this disk held in memory. The other copy (to the lbp) is to be - * written out to the disk. - */ - dp = &lblp->ondsklbl; - - - bcopy((caddr_t)vtocp->v_bootinfo, - (caddr_t)(lblp->ondsklbl.dkl_vtoc.v_bootinfo), - sizeof (vtocp->v_bootinfo)); - - lblp->ondsklbl.dkl_vtoc.v_sanity = vtocp->v_sanity; - lblp->ondsklbl.dkl_vtoc.v_version = vtocp->v_version; - - bcopy((caddr_t)vtocp->v_volume, - (caddr_t)lblp->ondsklbl.dkl_vtoc.v_volume, - LEN_DKL_VVOL); - - lblp->ondsklbl.dkl_vtoc.v_nparts = vtocp->v_nparts; - - bcopy((caddr_t)vtocp->v_reserved, - (caddr_t)lblp->ondsklbl.dkl_vtoc.v_reserved, - sizeof (vtocp->v_reserved)); - - /* - * Note the conversion from starting sector number - * to starting cylinder number. - */ - nblks = dp->dkl_nsect * dp->dkl_nhead; - lmap = lblp->ondsklbl.dkl_map; - lpart = (struct dk_map2 *)lblp->ondsklbl.dkl_vtoc.v_part; - vpart = vtocp->v_part; - - for (i = 0; i < (int)vtocp->v_nparts; i++) { - lpart->p_tag = vpart->p_tag; - lpart->p_flag = vpart->p_flag; - lmap->dkl_cylno = vpart->p_start / nblks; - lmap->dkl_nblk = vpart->p_size; - - lmap++; - lpart++; - vpart++; - } - - bcopy((caddr_t)vtocp->timestamp, - (caddr_t)lblp->ondsklbl.dkl_vtoc.v_timestamp, - sizeof (vtocp->timestamp)); - - bcopy((caddr_t)vtocp->v_asciilabel, - (caddr_t)lblp->ondsklbl.dkl_asciilabel, - LEN_DKL_ASCII); - -#else -#error No VTOC format defined. -#endif - - lblp->ondsklbl.dkl_cksum = 0; - (void) dsklbl_chk(&lblp->ondsklbl, &(lblp->ondsklbl.dkl_cksum)); -} - -void -dsklbl_dgtoug(struct dk_geom *up, struct dk_label *dp) -{ - DEBUGF(1, (CE_CONT, "?dsklbl_dgtoug: pcyl = %d ncyl = %d acyl = %d\n", - dp->dkl_pcyl, dp->dkl_ncyl, dp->dkl_acyl)); - - up->dkg_pcyl = dp->dkl_pcyl; - up->dkg_ncyl = dp->dkl_ncyl; - up->dkg_acyl = dp->dkl_acyl; -#if !defined(__sparc) - up->dkg_bcyl = dp->dkl_bcyl; -#endif - up->dkg_nhead = dp->dkl_nhead; - up->dkg_nsect = dp->dkl_nsect; - up->dkg_intrlv = dp->dkl_intrlv; - up->dkg_apc = dp->dkl_apc; - up->dkg_rpm = dp->dkl_rpm; - up->dkg_write_reinstruct = dp->dkl_write_reinstruct; - up->dkg_read_reinstruct = dp->dkl_read_reinstruct; -} - - - - -void -dsklbl_ugtodg(struct dk_geom *up, struct dk_label *dp) -{ - dp->dkl_pcyl = up->dkg_pcyl; - dp->dkl_ncyl = up->dkg_ncyl; - dp->dkl_acyl = up->dkg_acyl; -#if !defined(__sparc) - dp->dkl_bcyl = up->dkg_bcyl; -#endif - dp->dkl_nhead = up->dkg_nhead; - dp->dkl_nsect = up->dkg_nsect; - dp->dkl_intrlv = up->dkg_intrlv; - dp->dkl_apc = up->dkg_apc; - dp->dkl_rpm = up->dkg_rpm; - dp->dkl_write_reinstruct = up->dkg_write_reinstruct; - dp->dkl_read_reinstruct = up->dkg_read_reinstruct; -} |