Ventoy/IMG/cpio/ventoy/hook/vine/udev_disk_hook.sh
2020-08-29 13:12:46 +08:00

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#!/ventoy/busybox/sh
#************************************************************************************
# Copyright (c) 2020, longpanda <admin@ventoy.net>
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 3 of the
# License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, see <http://www.gnu.org/licenses/>.
#
#************************************************************************************
. /ventoy/hook/ventoy-hook-lib.sh
ventoy_os_install_dmsetup_by_ko() {
vtlog "ventoy_os_install_dmsetup_by_ko $1"
vtVer=$($BUSYBOX_PATH/uname -r)
if $BUSYBOX_PATH/uname -m | $GREP -q 64; then
vtBit=64
else
vtBit=32
fi
ventoy_extract_vtloopex $1 vine
vtLoopExDir=$VTOY_PATH/vtloopex/vine/vtloopex
if [ -e $vtLoopExDir/dm-mod/$vtVer/$vtBit/dm-mod.ko.xz ]; then
$BUSYBOX_PATH/xz -d $vtLoopExDir/dm-mod/$vtVer/$vtBit/dm-mod.ko.xz
insmod $vtLoopExDir/dm-mod/$vtVer/$vtBit/dm-mod.ko
fi
}
ventoy_os_install_dmsetup_by_rpm() {
vtlog "ventoy_os_install_dmsetup_by_rpm $1"
vt_usb_disk=$1
# dump iso file location
$VTOY_PATH/tool/vtoydm -i -f $VTOY_PATH/ventoy_image_map -d ${vt_usb_disk} > $VTOY_PATH/iso_file_list
# install dmsetup
LINE=$($GREP 'kernel-[0-9].*\.rpm' $VTOY_PATH/iso_file_list)
if [ $? -eq 0 ]; then
extract_rpm_from_line "$LINE" ${vt_usb_disk}
fi
vtKoName=$($BUSYBOX_PATH/find $VTOY_PATH/rpm/ -name dm-mod.ko*)
vtlog "vtKoName=$vtKoName"
insmod $vtKoName
$BUSYBOX_PATH/rm -rf $VTOY_PATH/rpm/
}
if is_ventoy_hook_finished || not_ventoy_disk "${1:0:-1}"; then
exit 0
fi
ventoy_os_install_dmsetup_by_ko "/dev/$1"
if $GREP -q 'device.mapper' /proc/devices; then
vtlog "device-mapper module install OK"
else
ventoy_os_install_dmsetup_by_rpm "/dev/${1:0:-1}"
fi
ventoy_udev_disk_common_hook $*
blkdev_num=$($VTOY_PATH/tool/dmsetup ls | $GREP ventoy | $SED 's/.*(\([0-9][0-9]*\),.*\([0-9][0-9]*\).*/\1:\2/')
blkdev_num_dev=$($VTOY_PATH/tool/dmsetup ls | $GREP ventoy | $SED 's/.*(\([0-9][0-9]*\),.*\([0-9][0-9]*\).*/\1 \2/')
vtDM=$(ventoy_find_dm_id ${blkdev_num})
[ -b /dev/$vtDM ] || $BUSYBOX_PATH/mknod -m 0660 /dev/$vtDM b $blkdev_num_dev
$BUSYBOX_PATH/rm -rf /dev/mapper
#Create a fake IDE-CDROM driver can't be ide-scsi /proc has been patched to /vtoy
$BUSYBOX_PATH/mkdir -p /vtoy
$BUSYBOX_PATH/cp -a /proc/ide /vtoy/
$BUSYBOX_PATH/mkdir -p /vtoy/ide/aztcd
echo 'ide' > /vtoy/ide/aztcd/driver
echo 'cdrom' > /vtoy/ide/aztcd/media
# OK finish
set_ventoy_hook_finish
exit 0