HEAD=$BUSYBOX_PATH/head
VTOY_DM_PATH=/dev/mapper/ventoy
VTOY_DEBUG_LEVEL=$($BUSYBOX_PATH/hexdump -n 1 -s 450 -e '1/1 "%02x"' $VTOY_PATH/ventoy_os_param)
+VTOY_LINUX_REMOUNT=$($BUSYBOX_PATH/hexdump -n 1 -s 454 -e '1/1 "%02x"' $VTOY_PATH/ventoy_os_param)
+VTOY_VLNK_BOOT=$($BUSYBOX_PATH/hexdump -n 1 -s 455 -e '1/1 "%02x"' $VTOY_PATH/ventoy_os_param)
if [ "$VTOY_DEBUG_LEVEL" = "01" ]; then
if [ -e /dev/console ]; then
echo 'Y' > $VTOY_PATH/hook_finish
}
-get_ventoy_disk_name() {
- line=$($VTOY_PATH/tool/vtoydump -f /ventoy/ventoy_os_param)
- if [ $? -eq 0 ]; then
- echo ${line%%#*}
- else
- echo "unknown"
+get_ventoy_disk_name() {
+ if [ "$VTOY_VLNK_BOOT" = "01" ]; then
+ $VTOY_PATH/tool/vtoydump -t /ventoy/ventoy_os_param
+ else
+ line=$($VTOY_PATH/tool/vtoydump -f /ventoy/ventoy_os_param)
+ if [ $? -eq 0 ]; then
+ echo ${line%%#*}
+ else
+ echo "unknown"
+ fi
fi
}
[ -e "${vtpart2}" ]
}
-is_ventoy_disk() {
- if $VTOY_PATH/tool/vtoydump -f $VTOY_PATH/ventoy_os_param -c "$1"; then
- $BUSYBOX_PATH/true
- else
- $BUSYBOX_PATH/false
- fi
-}
-
not_ventoy_disk() {
if echo $1 | $EGREP -q "nvme.*p$|mmc.*p$|nbd.*p$"; then
vtDiskName=${1:0:-1}
vtDiskName=$1
fi
- if $VTOY_PATH/tool/vtoydump -f $VTOY_PATH/ventoy_os_param -c "$vtDiskName"; then
- $BUSYBOX_PATH/false
+ if [ "$VTOY_VLNK_BOOT" = "01" ]; then
+ vtVtoyDisk=$($VTOY_PATH/tool/vtoydump -t $VTOY_PATH/ventoy_os_param)
+ [ "$vtVtoyDisk" != "/dev/$vtDiskName" ]
else
- $BUSYBOX_PATH/true
+ if $VTOY_PATH/tool/vtoydump -f $VTOY_PATH/ventoy_os_param -c "$vtDiskName"; then
+ $BUSYBOX_PATH/false
+ else
+ $BUSYBOX_PATH/true
+ fi
fi
}
fi
}
+ventoy_need_dm_patch() {
+ if [ "$VTOY_LINUX_REMOUNT" != "01" ]; then
+ if $GREP -q 'VTOY_LINUX_REMOUNT=1' /proc/cmdline; then
+ :
+ else
+ $BUSYBOX_PATH/false; return
+ fi
+ fi
+
+ if $GREP -q 'device-mapper' /proc/devices; then
+ :
+ else
+ $BUSYBOX_PATH/false; return
+ fi
+
+ if $GREP -q 'dm_patch' /proc/modules; then
+ $BUSYBOX_PATH/false; return
+ fi
+
+ vtMajorVer=$($BUSYBOX_PATH/uname -r | $AWK -F. '{print $1}')
+ vtMinorVer=$($BUSYBOX_PATH/uname -r | $AWK -F. '{print $2}')
+
+ if [ $vtMajorVer -lt 3 ]; then
+ $BUSYBOX_PATH/false; return
+ elif [ $vtMajorVer -eq 3 -a $vtMinorVer -lt 10 ]; then
+ $BUSYBOX_PATH/false; return
+ fi
+
+
+ $BUSYBOX_PATH/true
+}
+
+ventoy_dm_patch() {
+ vtMType=$($BUSYBOX_PATH/uname -m)
+
+ vtlog "######### ventoy_dm_patch ############"
+
+ if echo $vtMType | $EGREP -i -q "x86.64|amd64"; then
+ vtKoName=dm_patch_64.ko
+ elif echo $vtMType | $EGREP -i -q "i[3-6]86"; then
+ vtKoName=dm_patch_32.ko
+ else
+ vtlog "unsupported machine type $vtMType"
+ return
+ fi
+
+ if [ -f $VTOY_PATH/tool/$vtKoName ]; then
+ vtlog "/ventoy/tool/$vtKoName exist OK"
+ else
+ vtlog "/ventoy/tool/$vtKoName NOT exist"
+ return
+ fi
+
+ $CAT /proc/kallsyms | $BUSYBOX_PATH/sort > $VTOY_PATH/kallsyms
+
+ if $GREP -m1 -q 'open_table_device.isra' $VTOY_PATH/kallsyms; then
+ vtLine=$($VTOY_PATH/tool/vtoyksym open_table_device.isra $VTOY_PATH/kallsyms)
+ vtlog "get open_table_device.isra address $vtLine"
+ else
+ vtLine=$($VTOY_PATH/tool/vtoyksym dm_get_table_device $VTOY_PATH/kallsyms)
+ vtlog "get dm_get_table_device address $vtLine"
+ fi
+ get_addr=$(echo $vtLine | $AWK '{print $1}')
+ get_size=$(echo $vtLine | $AWK '{print $2}')
+
+ if $GREP -m1 -q 'close_table_device.isra' $VTOY_PATH/kallsyms; then
+ vtLine=$($VTOY_PATH/tool/vtoyksym close_table_device.isra $VTOY_PATH/kallsyms)
+ vtlog "get close_table_device.isra address $vtLine"
+ else
+ vtLine=$($VTOY_PATH/tool/vtoyksym dm_put_table_device $VTOY_PATH/kallsyms)
+ vtlog "get dm_put_table_device address $vtLine"
+ fi
+ put_addr=$(echo $vtLine | $AWK '{print $1}')
+ put_size=$(echo $vtLine | $AWK '{print $2}')
+
+ ro_addr=$($GREP ' set_memory_ro$' /proc/kallsyms | $AWK '{print $1}')
+ rw_addr=$($GREP ' set_memory_rw$' /proc/kallsyms | $AWK '{print $1}')
+ kprobe_reg_addr=$($GREP ' register_kprobe$' /proc/kallsyms | $AWK '{print $1}')
+ kprobe_unreg_addr=$($GREP ' unregister_kprobe$' /proc/kallsyms | $AWK '{print $1}')
+
+ if [ "$VTOY_DEBUG_LEVEL" = "01" ]; then
+ printk_addr=$($GREP ' printk$' /proc/kallsyms | $AWK '{print $1}')
+ vtDebug="-v"
+ else
+ printk_addr=0
+ fi
+
+ #printk_addr=$($GREP ' printk$' /proc/kallsyms | $AWK '{print $1}')
+ #vtDebug="-v"
+
+ vtlog get_addr=$get_addr get_size=$get_size
+ vtlog put_addr=$put_addr put_size=$put_size
+ vtlog kprobe_reg_addr=$kprobe_reg_addr kprobe_unreg_addr=$kprobe_unreg_addr
+ vtlog ro_addr=$ro_addr rw_addr=$rw_addr printk_addr=$printk_addr
+
+ if [ "$get_addr" = "0" -o "$put_addr" = "0" ]; then
+ vtlog "Invalid symbol address"
+ return
+ fi
+ if [ "$ro_addr" = "0" -o "$rw_addr" = "0" ]; then
+ vtlog "Invalid symbol address"
+ return
+ fi
+
+
+ vtKv=$($BUSYBOX_PATH/uname -r)
+
+ if [ ! -d /lib/modules/$vtKv ]; then
+ vtlog "No modules directory found"
+ return
+ elif [ -d /lib/modules/$vtKv/kernel/fs ]; then
+ vtModPath=$($FIND /lib/modules/$vtKv/kernel/fs/ -name "*.ko*" | $HEAD -n1)
+ else
+ vtModPath=$($FIND /lib/modules/$vtKv/kernel/ -name "xfs.ko*" | $HEAD -n1)
+ fi
+
+ if [ -z "$vtModPath" ]; then
+ vtModPath=$($FIND /lib/modules/$vtKv/kernel/ -name "*.ko*" | $HEAD -n1)
+ fi
+
+ vtModName=$($BUSYBOX_PATH/basename $vtModPath)
+
+ vtlog "template module is $vtModPath $vtModName"
+
+ if [ -z "$vtModPath" ]; then
+ vtlog "No template module found"
+ return
+ elif echo $vtModPath | $GREP -q "[.]ko$"; then
+ $BUSYBOX_PATH/cp -a $vtModPath $VTOY_PATH/$vtModName
+ elif echo $vtModPath | $GREP -q "[.]ko[.]xz$"; then
+ $BUSYBOX_PATH/xzcat $vtModPath > $VTOY_PATH/$vtModName
+ elif echo $vtModPath | $GREP -q "[.]ko[.]gz$"; then
+ $BUSYBOX_PATH/zcat $vtModPath > $VTOY_PATH/$vtModName
+ else
+ vtlog "unsupport module type"
+ return
+ fi
+
+ #step1: modify vermagic/mod crc/relocation
+ vtlog "$VTOY_PATH/tool/vtoykmod -u $VTOY_PATH/tool/$vtKoName $VTOY_PATH/$vtModName $vtDebug"
+ $VTOY_PATH/tool/vtoykmod -u $VTOY_PATH/tool/$vtKoName $VTOY_PATH/$vtModName $vtDebug
+
+ #step2: fill parameters
+ vtPgsize=$($VTOY_PATH/tool/vtoyksym -p)
+ vtlog "$VTOY_PATH/tool/vtoykmod -f $VTOY_PATH/tool/$vtKoName $vtPgsize 0x$printk_addr 0x$ro_addr 0x$rw_addr $get_addr $get_size $put_addr $put_size 0x$kprobe_reg_addr 0x$kprobe_unreg_addr $vtDebug"
+ $VTOY_PATH/tool/vtoykmod -f $VTOY_PATH/tool/$vtKoName $vtPgsize 0x$printk_addr 0x$ro_addr 0x$rw_addr $get_addr $get_size $put_addr $put_size 0x$kprobe_reg_addr 0x$kprobe_unreg_addr $vtDebug
+
+ $BUSYBOX_PATH/insmod $VTOY_PATH/tool/$vtKoName
+
+ if $GREP -q 'dm_patch' /proc/modules; then
+ echo "done" > $VTOY_PATH/dm_patch_done
+ fi
+
+}
+
create_ventoy_device_mapper() {
vtlog "create_ventoy_device_mapper $*"
fi
vtlog "dmsetup avaliable in system $VT_DM_BIN"
-
+
if ventoy_check_dm_module "$1"; then
vtlog "device-mapper module check success"
else
vterr "Error: no dm module avaliable"
fi
- $VTOY_PATH/tool/vtoydm -p -f $VTOY_PATH/ventoy_image_map -d $1 > $VTOY_PATH/ventoy_dm_table
+ $VTOY_PATH/tool/vtoydm -p -f $VTOY_PATH/ventoy_image_map -d $1 > $VTOY_PATH/ventoy_dm_table
+
+
+ vtLevel1=$($CAT /proc/sys/kernel/printk | $AWK '{print $1}')
+ vtLevel2=$($CAT /proc/sys/kernel/printk | $AWK '{print $2}')
+ vtLevel3=$($CAT /proc/sys/kernel/printk | $AWK '{print $3}')
+ vtLevel4=$($CAT /proc/sys/kernel/printk | $AWK '{print $4}')
+ if ventoy_need_dm_patch; then
+ ventoy_dm_patch
+ #suppress printk message
+ echo 0 $vtLevel2 0 $vtLevel4 > /proc/sys/kernel/printk
+ fi
+
if [ -z "$2" ]; then
$VT_DM_BIN create ventoy $VTOY_PATH/ventoy_dm_table >>$VTLOG 2>&1
else
$VT_DM_BIN "$2" create ventoy $VTOY_PATH/ventoy_dm_table >>$VTLOG 2>&1
- fi
+ fi
+
+ if ventoy_need_dm_patch; then
+ #recover printk level
+ echo $vtLevel1 $vtLevel2 $vtLevel3 $vtLevel4 > /proc/sys/kernel/printk
+ fi
}
create_persistent_device_mapper() {
vterr "Error: no dm module avaliable"
fi
- $VTOY_PATH/tool/vtoydm -p -f $VTOY_PATH/ventoy_persistent_map -d $1 > $VTOY_PATH/persistent_dm_table
+ $VTOY_PATH/tool/vtoydm -p -f $VTOY_PATH/ventoy_persistent_map -d $1 > $VTOY_PATH/persistent_dm_table
+
+
+ vtLevel1=$($CAT /proc/sys/kernel/printk | $AWK '{print $1}')
+ vtLevel2=$($CAT /proc/sys/kernel/printk | $AWK '{print $2}')
+ vtLevel3=$($CAT /proc/sys/kernel/printk | $AWK '{print $3}')
+ vtLevel4=$($CAT /proc/sys/kernel/printk | $AWK '{print $4}')
+ if [ -f $VTOY_PATH/dm_patch_done ]; then
+ #suppress printk message
+ echo 0 $vtLevel2 0 $vtLevel4 > /proc/sys/kernel/printk
+ fi
+
$VT_DM_BIN create vtoy_persistent $VTOY_PATH/persistent_dm_table >>$VTLOG 2>&1
+
+ if [ -f $VTOY_PATH/dm_patch_done ]; then
+ #recover printk level
+ echo $vtLevel1 $vtLevel2 $vtLevel3 $vtLevel4 > /proc/sys/kernel/printk
+ fi
}
fi
}
+ventoy_partname_to_diskname() {
+ if echo $1 | $EGREP -q "nvme.*p[0-9]$|mmc.*p[0-9]$|nbd.*p[0-9]$"; then
+ echo -n "${1:0:-2}"
+ else
+ echo -n "${1:0:-1}"
+ fi
+}
+
+ventoy_diskname_to_partname() {
+ if echo $1 | $EGREP -q "nvme.*p[0-9]$|mmc.*p[0-9]$|nbd.*p[0-9]$"; then
+ echo -n "${1}p$2"
+ else
+ echo -n "${1}$2"
+ fi
+}
+
ventoy_udev_disk_common_hook() {
if echo $1 | $EGREP -q "nvme.*p[0-9]$|mmc.*p[0-9]$|nbd.*p[0-9]$"; then
VTDISK="${1:0:-2}"
create_persistent_device_mapper "/dev/$VTDISK"
ventoy_create_persistent_link
fi
+
+ if $GREP -q 'dm_patch' /proc/modules; then
+ vtlog "remove dm_patch module."
+ $BUSYBOX_PATH/rmmod dm_patch
+ fi
}
ventoy_create_dev_ventoy_part() {
if [ -e /vtoy_dm_table ]; then
vtPartid=1
+ vtLevel1=$($CAT /proc/sys/kernel/printk | $AWK '{print $1}')
+ vtLevel2=$($CAT /proc/sys/kernel/printk | $AWK '{print $2}')
+ vtLevel3=$($CAT /proc/sys/kernel/printk | $AWK '{print $3}')
+ vtLevel4=$($CAT /proc/sys/kernel/printk | $AWK '{print $4}')
+ if [ -f $VTOY_PATH/dm_patch_done ]; then
+ #suppress printk message
+ echo 0 $vtLevel2 0 $vtLevel4 > /proc/sys/kernel/printk
+ fi
+
$CAT /vtoy_dm_table | while read vtline; do
echo $vtline > /ventoy/dm_table_part${vtPartid}
$VTOY_PATH/tool/dmsetup create ventoy${vtPartid} /ventoy/dm_table_part${vtPartid}
$BUSYBOX_PATH/mknod -m 0666 /dev/ventoy${vtPartid} b $blkdev_num
vtPartid=$(expr $vtPartid + 1)
- done
+ done
+
+ if [ -f $VTOY_PATH/dm_patch_done ]; then
+ #recover printk level
+ echo $vtLevel1 $vtLevel2 $vtLevel3 $vtLevel4 > /proc/sys/kernel/printk
+ fi
fi
}
fi
if [ -e /dev/$vtShortName ]; then
- $VTOY_PATH/tool/vtoydump -f $VTOY_PATH/ventoy_os_param -c $vtShortName
+ if [ "$VTOY_VLNK_BOOT" = "01" ]; then
+ vtOrgDiskName=$($VTOY_PATH/tool/vtoydump -t $VTOY_PATH/ventoy_os_param)
+ [ "$vtOrgDiskName" = "/dev/$vtShortName" ]
+ else
+ $VTOY_PATH/tool/vtoydump -f $VTOY_PATH/ventoy_os_param -c $vtShortName
+ fi
return
fi
fi
$BUSYBOX_PATH/insmod "$1"
fi
}
+
+ventoy_check_umount() {
+ for vtLoop in 0 1 2 3 4 5 6 7 8 9; do
+ $BUSYBOX_PATH/umount "$1" > /dev/null 2>&1
+ if $BUSYBOX_PATH/mountpoint -q "$1"; then
+ $SLEEP 1
+ else
+ break
+ fi
+ done
+}
projects / Ventoy.git / blobdiff