IMG/cpio/ventoy/loop/openwrt/ventoy-disk.sh

   1 #!/ventoy/busybox/sh
   2 #************************************************************************************
   3 # Copyright (c) 2020, longpanda <admin@ventoy.net>
   4 #
   5 # This program is free software; you can redistribute it and/or
   6 # modify it under the terms of the GNU General Public License as
   7 # published by the Free Software Foundation; either version 3 of the
   8 # License, or (at your option) any later version.
   9 #
  10 # This program is distributed in the hope that it will be useful, but
  11 # WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13 # General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with this program; if not, see <http://www.gnu.org/licenses/>.
  17 #
  18 #************************************************************************************
  19
  20 . /ventoy/hook/ventoy-hook-lib.sh
  21
  22 if is_ventoy_hook_finished; then
  23     exit 0
  24 fi
  25
  26 vtlog "####### $0 $* ########"
  27
  28 VTPATH_OLD=$PATH; PATH=$BUSYBOX_PATH:$VTOY_PATH/tool:$PATH
  29
  30 check_mkdev_node() {
  31     for i in $(ls /sys/class/block/); do
  32         if ! [ -e /dev/$i ]; then
  33             blkdev_num=$(sed 's/:/ /g' /sys/class/block/$i/dev)
  34             vtlog "mknod -m 0666 /dev/$i b $blkdev_num"
  35             mknod -m 0666 /dev/$i b $blkdev_num
  36         fi
  37     done
  38 }
  39
  40 check_insmod() {
  41     if [ -f "$1" ]; then
  42         vtlog "insmod $1"
  43         insmod "$1" >> $VTOY_PATH/log 2>&1
  44     else
  45         vtlog "$1 not exist"
  46     fi
  47 }
  48
  49 wrt_insmod() {
  50     kbit=$1
  51     kv=$(uname -r)
  52
  53     vtlog "insmod $kv $kbit"
  54
  55     check_insmod /ventoy_openwrt/$kv/$kbit/dax.ko
  56     check_insmod /ventoy_openwrt/$kv/$kbit/dm-mod.ko
  57 }
  58
  59 insmod_dm_mod() {
  60     if grep -q "device-mapper" /proc/devices; then
  61         vtlog "device-mapper enabled by system 0"
  62         return
  63     fi
  64
  65     check_insmod /ventoy/modules/dax.ko
  66     check_insmod /ventoy/modules/dm-mod.ko
  67
  68     if grep -q "device-mapper" /proc/devices; then
  69         vtlog "device-mapper enabled by system 1"
  70         return
  71     fi
  72
  73     if [ -f /ventoy_openwrt.xz ]; then
  74         tar xf /ventoy_openwrt.xz -C /
  75         rm -f  /ventoy_openwrt.xz
  76     fi
  77
  78     if uname -m | egrep -q "amd64|x86_64"; then
  79         wrt_insmod 64
  80     else
  81         wrt_insmod generic
  82         if lsmod | grep -q 'dm-mod'; then
  83             vterr "insmod generic failed"
  84         else
  85             wrt_insmod legacy
  86         fi
  87     fi
  88 }
  89
  90 insmod_dm_mod
  91
  92 check_mkdev_node
  93 sleep 1
  94
  95 while [ -n "Y" ]; do
  96     vtusb_disk=$(get_ventoy_disk_name)
  97     if check_usb_disk_ready "$vtusb_disk"; then
  98         vtlog "get_ventoy_disk_name $vtusb_disk ready"
  99         break;
 100     else
 101         vtlog "get_ventoy_disk_name $vtusb_disk not ready"
 102         sleep 2
 103         check_mkdev_node
 104     fi
 105 done
 106
 107
 108 vtdiskname=$(get_ventoy_disk_name)
 109 if [ "$vtdiskname" = "unknown" ]; then
 110     vtlog "ventoy disk not found"
 111     PATH=$VTPATH_OLD
 112     exit 0
 113 fi
 114
 115 ventoy_udev_disk_common_hook "${vtdiskname#/dev/}2" "noreplace"
 116
 117 blkdev_num=$($VTOY_PATH/tool/dmsetup ls | grep ventoy | sed 's/.*(\([0-9][0-9]*\),.*\([0-9][0-9]*\).*/\1:\2/')
 118 vtDM=$(ventoy_find_dm_id ${blkdev_num})
 119 echo -n $vtDM > /ventoy/vtDM
 120
 121 ventoy_create_dev_ventoy_part
 122 mdev -s
 123 check_mkdev_node
 124
 125
 126 mkdir /ventoy_rdroot
 127 mount /dev/ventoy2 /ventoy_rdroot
 128
 129 PATH=$VTPATH_OLD
 130
 131 set_ventoy_hook_finish