diff options
Diffstat (limited to 'source/installer/sources/initrd/dev/makedevs.sh')
| -rwxr-xr-x | source/installer/sources/initrd/dev/makedevs.sh | 260 |
1 files changed, 260 insertions, 0 deletions
diff --git a/source/installer/sources/initrd/dev/makedevs.sh b/source/installer/sources/initrd/dev/makedevs.sh new file mode 100755 index 00000000..8ecdb756 --- /dev/null +++ b/source/installer/sources/initrd/dev/makedevs.sh @@ -0,0 +1,260 @@ +#!/bin/sh +# This script makes /dev entries for hard drives listed in /proc/partitions. +# Written by Patrick Volkerding, licensed under the GPL (any version). +# Copyright 2001, 2002 Slackware Linux, Inc., Concord, CA + +# Many thanks to Vincent Rivellino for contributing the patches to support +# Mylex and Compaq RAID controllers. + +# Devfs enabled kernels don't use the old familiar device names in +# /proc/partitions, so we need to be able to figure them out on the +# basis of only the major/minor numbers. This will require some +# maintainance for a while, but we expect to require devfs soon enough, +# and that will help generalize the installation to new types of +# devices without requiring fixes from us. + +# Also, we're not yet ready to install with devfs _mounted_, so don't +# try that. :) + +# Main loop: +# First, determine if we are using old or new device names. The old format +# will never contain a '/' (Well, some RAID controllers could have them, +# but luckily we can handle those in the same way) + +# Make a device: +makedev() { + if [ ! -b $1 ]; then + mknod $1 b $2 $3 + chown root.disk $1 + chmod 640 $1 + fi +} + +# Make ide device +# makeide major minor hd1 hd2 (2 base devs for major) +make_ide() { + # Handle base devices: + if [ "$2" = "0" ]; then + makedev /dev/$3 $1 $2 + return 0 + elif [ "$2" = "64" ]; then + makedev /dev/$4 $1 $2 + return 0 + fi + # Must be a partition: + if [ "`expr $2 / 64`" = "0" ]; then + DEV=$3 + NUM=$2 + else + DEV=$4 + NUM=`expr $2 - 64` + fi + makedev /dev/$DEV$NUM $1 $2 +} + +# Make SCSI device +make_scsi() { + # find drive # 0 - 15 + DRV=`expr $1 / 16` + NUM=`expr $1 % 16` + if [ "$NUM" = "0" ]; then + NUM="" + fi + if [ "$DRV" = "0" ]; then + makedev /dev/sda$NUM 8 $1 + elif [ "$DRV" = "1" ]; then + makedev /dev/sdb$NUM 8 $1 + elif [ "$DRV" = "2" ]; then + makedev /dev/sdc$NUM 8 $1 + elif [ "$DRV" = "3" ]; then + makedev /dev/sdd$NUM 8 $1 + elif [ "$DRV" = "4" ]; then + makedev /dev/sde$NUM 8 $1 + elif [ "$DRV" = "5" ]; then + makedev /dev/sdf$NUM 8 $1 + elif [ "$DRV" = "6" ]; then + makedev /dev/sdg$NUM 8 $1 + elif [ "$DRV" = "7" ]; then + makedev /dev/sdh$NUM 8 $1 + elif [ "$DRV" = "8" ]; then + makedev /dev/sdi$NUM 8 $1 + elif [ "$DRV" = "9" ]; then + makedev /dev/sdj$NUM 8 $1 + elif [ "$DRV" = "10" ]; then + makedev /dev/sdk$NUM 8 $1 + elif [ "$DRV" = "11" ]; then + makedev /dev/sdl$NUM 8 $1 + elif [ "$DRV" = "12" ]; then + makedev /dev/sdm$NUM 8 $1 + elif [ "$DRV" = "13" ]; then + makedev /dev/sdn$NUM 8 $1 + elif [ "$DRV" = "14" ]; then + makedev /dev/sdo$NUM 8 $1 + elif [ "$DRV" = "15" ]; then + makedev /dev/sdp$NUM 8 $1 + fi +} + +# Make Mylex RAID device +make_rd() { + if [ ! -d /dev/rd ]; then + mkdir /dev/rd + fi + # find drive + DRV=`expr $3 / 8` + NUM="p`expr $3 % 8`" + if [ "$NUM" = "p0" ]; then + NUM="" + fi + makedev /dev/rd/c$1d$DRV$NUM $2 $3 +} + +# Make Cpq SMART/2 RAID device +make_ida() { + if [ ! -d /dev/ida ]; then + mkdir /dev/ida + fi + # find drive + DRV=`expr $3 / 16` + NUM="p`expr $3 % 16`" + if [ "$NUM" = "p0" ]; then + NUM="" + fi + makedev /dev/ida/c$1d$DRV$NUM $2 $3 +} + +# Make Compaq Next Generation RAID device +make_cciss() { + if [ ! -d /dev/cciss ]; then + mkdir /dev/cciss + fi + # find drive + DRV=`expr $3 / 16` + NUM="p`expr $3 % 16`" + if [ "$NUM" = "p0" ]; then + NUM="" + fi + makedev /dev/cciss/c$1d$DRV$NUM $2 $3 +} + +# Make ATA RAID device +make_ataraid() { + if [ ! -d /dev/ataraid ]; then + mkdir /dev/ataraid + fi + # find drive + DRV=`expr $2 / 16` + NUM=`expr $2 % 16` + if [ "$NUM" = "0" ]; then + makedev /dev/ataraid/d$DRV $1 $2 + else + makedev /dev/ataraid/d${DRV}p$NUM $1 $2 + fi +} + + +# Make AMI HyperRAID device: +make_amiraid() { + if [ ! -d /dev/amiraid ]; then + mkdir /dev/amiraid + fi + # find drive + DRV=`expr $2 / 16` + NUM=`expr $2 % 16` + if [ "$NUM" = "0" ]; then + makedev /dev/amiraid/ar$DRV $1 $2 + else + makedev /dev/amiraid/ar${DRV}p$NUM $1 $2 + fi +} + +if cat /proc/partitions | grep / 1> /dev/null 2> /dev/null ; then # new + cat /proc/partitions | grep / | while read line ; do + SMASHED_LINE=$line + MAJOR=`echo $SMASHED_LINE | cut -f 1 -d ' '` + MINOR=`echo $SMASHED_LINE | cut -f 2 -d ' '` + if [ "$MAJOR" = "3" ]; then + make_ide $MAJOR $MINOR hda hdb + elif [ "$MAJOR" = "8" ]; then + make_scsi $MINOR + elif [ "$MAJOR" = "22" ]; then + make_ide $MAJOR $MINOR hdc hdd + elif [ "$MAJOR" = "33" ]; then + make_ide $MAJOR $MINOR hde hdf + elif [ "$MAJOR" = "34" ]; then + make_ide $MAJOR $MINOR hdg hdh + elif [ "$MAJOR" = "48" ]; then + make_rd 0 $MAJOR $MINOR + elif [ "$MAJOR" = "49" ]; then + make_rd 1 $MAJOR $MINOR + elif [ "$MAJOR" = "50" ]; then + make_rd 2 $MAJOR $MINOR + elif [ "$MAJOR" = "51" ]; then + make_rd 3 $MAJOR $MINOR + elif [ "$MAJOR" = "52" ]; then + make_rd 4 $MAJOR $MINOR + elif [ "$MAJOR" = "53" ]; then + make_rd 5 $MAJOR $MINOR + elif [ "$MAJOR" = "54" ]; then + make_rd 6 $MAJOR $MINOR + elif [ "$MAJOR" = "55" ]; then + make_rd 7 $MAJOR $MINOR + elif [ "$MAJOR" = "56" ]; then + make_ide $MAJOR $MINOR hdi hdj + elif [ "$MAJOR" = "57" ]; then + make_ide $MAJOR $MINOR hdk hdl + elif [ "$MAJOR" = "72" ]; then + make_ida 0 $MAJOR $MINOR + elif [ "$MAJOR" = "73" ]; then + make_ida 1 $MAJOR $MINOR + elif [ "$MAJOR" = "74" ]; then + make_ida 2 $MAJOR $MINOR + elif [ "$MAJOR" = "75" ]; then + make_ida 3 $MAJOR $MINOR + elif [ "$MAJOR" = "76" ]; then + make_ida 4 $MAJOR $MINOR + elif [ "$MAJOR" = "77" ]; then + make_ida 5 $MAJOR $MINOR + elif [ "$MAJOR" = "78" ]; then + make_ida 6 $MAJOR $MINOR + elif [ "$MAJOR" = "79" ]; then + make_ida 7 $MAJOR $MINOR + elif [ "$MAJOR" = "88" ]; then + make_ide $MAJOR $MINOR hdm hdn + elif [ "$MAJOR" = "89" ]; then + make_ide $MAJOR $MINOR hdo hdp + elif [ "$MAJOR" = "90" ]; then + make_ide $MAJOR $MINOR hdq hdr + elif [ "$MAJOR" = "91" ]; then + make_ide $MAJOR $MINOR hds hdt + elif [ "$MAJOR" = "101" ]; then + make_amiraid $MAJOR $MINOR + elif [ "$MAJOR" = "104" ]; then + make_cciss 0 $MAJOR $MINOR + elif [ "$MAJOR" = "105" ]; then + make_cciss 1 $MAJOR $MINOR + elif [ "$MAJOR" = "106" ]; then + make_cciss 2 $MAJOR $MINOR + elif [ "$MAJOR" = "107" ]; then + make_cciss 3 $MAJOR $MINOR + elif [ "$MAJOR" = "108" ]; then + make_cciss 4 $MAJOR $MINOR + elif [ "$MAJOR" = "109" ]; then + make_cciss 5 $MAJOR $MINOR + elif [ "$MAJOR" = "110" ]; then + make_cciss 6 $MAJOR $MINOR + elif [ "$MAJOR" = "111" ]; then + make_cciss 7 $MAJOR $MINOR + elif [ "$MAJOR" = "114" ]; then + make_ataraid $MAJOR $MINOR + fi + done +else # old format + cat /proc/partitions | grep d | while read line ; do + SMASHED_LINE=$line + MAJOR=`echo $SMASHED_LINE | cut -f 1 -d ' '` + MINOR=`echo $SMASHED_LINE | cut -f 2 -d ' '` + DEVNAME=`echo $SMASHED_LINE | cut -f 4 -d ' '` + makedev /dev/$DEVNAME $MAJOR $MINOR + done +fi |