modules.d/90kernel-modules/module-setup.sh

   1 #!/bin/bash
   2
   3 # called by dracut
   4 installkernel() {
   5     if [[ -z $drivers ]]; then
   6         block_module_filter() {
   7             local _blockfuncs='ahci_platform_get_resources|ata_scsi_ioctl|scsi_add_host|blk_cleanup_queue|register_mtd_blktrans|scsi_esp_register|register_virtio_device|usb_stor_disconnect|mmc_add_host|sdhci_pltfm_init'
   8             # subfunctions inherit following FDs
   9             local _merge=8 _side2=9
  10             function bmf1() {
  11                 local _f
  12                 while read _f; do case "$_f" in
  13                     *.ko)    [[ $(<         $_f) =~ $_blockfuncs ]] && echo "$_f" ;;
  14                     *.ko.gz) [[ $(gzip -dc <$_f) =~ $_blockfuncs ]] && echo "$_f" ;;
  15                     *.ko.xz) [[ $(xz -dc   <$_f) =~ $_blockfuncs ]] && echo "$_f" ;;
  16                     esac
  17                 done
  18                 return 0
  19             }
  20             function rotor() {
  21                 local _f1 _f2
  22                 while read _f1; do
  23                     echo "$_f1"
  24                     if read _f2; then
  25                         echo "$_f2" 1>&${_side2}
  26                     fi
  27                 done | bmf1 1>&${_merge}
  28                 return 0
  29             }
  30             # Use two parallel streams to filter alternating modules.
  31             set +x
  32             eval "( ( rotor ) ${_side2}>&1 | bmf1 ) ${_merge}>&1"
  33             [[ $debug ]] && set -x
  34             return 0
  35         }
  36
  37         hostonly='' instmods \
  38             sr_mod sd_mod scsi_dh ata_piix hid_generic unix \
  39             ehci-hcd ehci-pci ehci-platform \
  40             ohci-hcd ohci-pci \
  41             uhci-hcd \
  42             xhci-hcd
  43
  44         instmods yenta_socket scsi_dh_rdac scsi_dh_emc \
  45             atkbd i8042 usbhid hid-apple hid-sunplus hid-cherry hid-logitech \
  46             hid-logitech-dj hid-microsoft hid-lcpower firewire-ohci \
  47             pcmcia usb_storage nvme hid-hyperv hv-vmbus \
  48             sdhci_acpi
  49
  50         if [[ "$(uname -p)" == arm* ]]; then
  51             # arm specific modules
  52             instmods \
  53                 "=drivers/i2c/busses" \
  54                 "=drivers/regulator" \
  55                 "=drivers/rtc" \
  56                 "=drivers/usb/host" \
  57                 "=drivers/usb/phy" \
  58                 ${NULL}
  59         fi
  60
  61         # install virtual machine support
  62         instmods virtio virtio_blk virtio_ring virtio_pci virtio_scsi \
  63             "=drivers/pcmcia" =ide "=drivers/usb/storage"
  64
  65         find_kernel_modules  |  block_module_filter  |  instmods
  66
  67         # if not on hostonly mode, install all known filesystems,
  68         # if the required list is not set via the filesystems variable
  69         if ! [[ $hostonly ]]; then
  70             if [[ -z $filesystems ]]; then
  71                 silent_omit_drivers="kernel/fs/nfs|kernel/fs/nfsd|kernel/fs/lockd" \
  72                     instmods '=fs'
  73             fi
  74         else
  75             for i in $(host_fs_all); do
  76                 hostonly='' instmods $i
  77             done
  78         fi
  79     fi
  80     :
  81 }
  82
  83 # called by dracut
  84 install() {
  85     inst_multiple -o /lib/modprobe.d/*.conf
  86     [[ $hostonly ]] && inst_multiple -H -o /etc/modprobe.d/*.conf /etc/modprobe.conf
  87     if ! dracut_module_included "systemd"; then
  88         inst_hook cmdline 01 "$moddir/parse-kernel.sh"
  89     fi
  90     inst_simple "$moddir/insmodpost.sh" /sbin/insmodpost.sh
  91 }