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#!/bin/bash
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# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
# ex: ts=8 sw=4 sts=4 et filetype=sh
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#
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# functions used by dracut and other tools.
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#
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# Copyright 2005-2009 Red Hat, Inc. All rights reserved.
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#
# 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 2 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
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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if ! [[ $dracutbasedir ]]; then
dracutbasedir=${BASH_SOURCE[0]%/*}
[[ $dracutbasedir = "dracut-functions" ]] && dracutbasedir="."
[[ $dracutbasedir ]] || dracutbasedir="."
dracutbasedir="$(readlink -f $dracutbasedir)"
fi
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if ! type dinfo >/dev/null 2>&1; then
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. "$dracutbasedir/dracut-logger"
dlog_init
fi
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# Generic substring function. If $2 is in $1, return 0.
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strstr() { [[ $1 =~ $2 ]]; }
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# Create all subdirectories for given path without creating the last element.
# $1 = path
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mksubdirs() { mkdir -m 0755 -p ${1%/*}; }
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# Version comparision function. Assumes Linux style version scheme.
# $1 = version a
# $2 = comparision op (gt, ge, eq, le, lt, ne)
# $3 = version b
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vercmp() {
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local n1=(${1//./ }) op=$2 n2=(${3//./ }) i res
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for ((i=0; ; i++))
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do
if [[ ! ${n1[i]}${n2[i]} ]]; then res=0
elif ((${n1[i]:-0} > ${n2[i]:-0})); then res=1
elif ((${n1[i]:-0} < ${n2[i]:-0})); then res=2
else continue
fi
break
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done
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case $op in
gt) ((res == 1));;
ge) ((res != 2));;
eq) ((res == 0));;
le) ((res != 1));;
lt) ((res == 2));;
ne) ((res != 0));;
esac
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}
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is_func() {
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[[ $(type -t $1) = "function" ]]
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}
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# Function prints global variables in format name=value line by line.
# $@ = list of global variables' name
print_vars() {
local var value
for var in $@
do
value=$(eval echo \$$var)
[[ ${value} ]] && echo "${var}=\"${value}\""
done
}
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get_fs_env() {
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[[ $1 ]] || return
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eval $(udevadm info --query=env --name=$1|egrep 'ID_FS_(TYPE|UUID)=')
[[ $ID_FS_TYPE ]] && return
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if [[ -x /lib/udev/vol_id ]]; then
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eval $(/lib/udev/vol_id --export $1)
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elif find_binary blkid >/dev/null; then
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eval $(blkid -o udev $1)
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else
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return 1
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fi
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}
get_fs_type() (
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[[ $1 ]] || return
if [[ $1 != ${1#/dev/block/nfs:} ]] \
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|| [[ $1 != ${1#/dev/block/nfs3:} ]] \
|| [[ $1 != ${1#/dev/block/nfs4:} ]]; then
echo "nfs"
return
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fi
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get_fs_env $1 || return
echo $ID_FS_TYPE
)
get_fs_uuid() (
get_fs_env $1 || return
echo $ID_FS_UUID
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)
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# finds the major:minor of the block device backing the root filesystem.
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find_block_device() {
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local x mpt majmin dev fs misc maj min
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if [[ $use_fstab != yes ]]; then
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while read x x majmin x mpt x x fs dev misc; do
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[[ $fs = nfs ]] && { echo $dev; return 0;}
[[ $fs = nfs3 ]] && { echo $dev; return 0;}
[[ $fs = nfs4 ]] && { echo $dev; return 0;}
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[[ $fs = btrfs ]] && {
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ls -nLl "$dev" | {
read x x x x maj min x
maj=${maj//,/}
echo $maj:$min
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} && return 0
}
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if [[ $mpt = $1 ]] && [[ ${majmin#0:} = $majmin ]]; then
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echo $majmin
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return 0 # we have a winner!
fi
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done < /proc/self/mountinfo
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fi
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# fall back to /etc/fstab
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while read dev mpt fs misc; do
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if [[ $mpt = $1 ]]; then
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[[ $fs = nfs ]] && { echo $dev; return 0;}
[[ $fs = nfs3 ]] && { echo $dev; return 0;}
[[ $fs = nfs4 ]] && { echo $dev; return 0;}
[[ $dev != ${dev#UUID=} ]] && dev=/dev/disk/by-uuid/${dev#UUID=}
[[ $dev != ${dev#LABEL=} ]] && dev=/dev/disk/by-label/${dev#LABEL=}
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[[ -b $dev ]] || return 1 # oops, not a block device.
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ls -nLl "$dev" | {
read x x x x maj min x
maj=${maj//,/}
echo $maj:$min
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} && return 0
fi
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done < /etc/fstab
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return 1
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}
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find_root_block_device() { find_block_device /; }
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# Walk all the slave relationships for a given block device.
# Stop when our helper function returns success
# $1 = function to call on every found block device
# $2 = block device in major:minor format
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check_block_and_slaves() {
local x
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[[ -b /dev/block/$2 ]] || return 1 # Not a block device? So sorry.
"$1" $2 && return
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check_vol_slaves "$@" && return 0
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if [[ -f /sys/dev/block/$2/../dev ]]; then
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check_block_and_slaves $1 $(cat "/sys/dev/block/$2/../dev") && return 0
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fi
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[[ -d /sys/dev/block/$2/slaves ]] || return 1
for x in /sys/dev/block/$2/slaves/*/dev; do
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[[ -f $x ]] || continue
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check_block_and_slaves $1 $(cat "$x") && return 0
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done
return 1
}
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get_numeric_dev() {
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ls -lH "$1" | { read a b c d maj min rest; printf "%d:%d" ${maj%%,} $min; }
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}
# ugly workaround for the lvm design
# There is no volume group device,
# so, there are no slave devices for volume groups.
# Logical volumes only have the slave devices they really live on,
# but you cannot create the logical volume without the volume group.
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# And the volume group might be bigger than the devices the LV needs.
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check_vol_slaves() {
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for i in /dev/mapper/*; do
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lv=$(get_numeric_dev $i)
if [[ $lv = $2 ]]; then
vg=$(lvm lvs --noheadings -o vg_name $i 2>/dev/null)
# strip space
vg=$(echo $vg)
if [[ $vg ]]; then
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for pv in $(lvm vgs --noheadings -o pv_name "$vg" 2>/dev/null)
do
check_block_and_slaves $1 $(get_numeric_dev $pv) && return 0
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done
fi
fi
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done
return 1
}
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# Install a directory, keeping symlinks as on the original system.
# Example: if /lib64 points to /lib on the host, "inst_dir /lib/file"
# will create ${initdir}/lib64, ${initdir}/lib64/file,
# and a symlink ${initdir}/lib -> lib64.
inst_dir() {
local dir="$1"
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[[ -e ${initdir}$dir ]] && return 0
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# iterate over parent directories
local file=""
local IFS="/"
for part in $dir; do
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[[ $part ]] || continue
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file="$file/$part"
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[[ -e ${initdir}$file ]] && continue
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if [[ -L $file ]]; then
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# create link as the original
local target=$(readlink "$file")
ln -sfn "$target" "${initdir}$file" || return 1
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# resolve relative path and recursively install destination
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[[ $target == ${target#/} ]] && target="$(dirname "$file")/$target"
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inst_dir "$target"
else
# create directory
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mkdir -m 0755 -p "${initdir}$file" || return 1
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fi
done
}
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# $1 = file to copy to ramdisk
# $2 (optional) Name for the file on the ramdisk
# Location of the image dir is assumed to be $initdir
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# We never overwrite the target if it exists.
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inst_simple() {
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local src target
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[[ -f $1 ]] || return 1
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src=$1 target="${2:-$1}"
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if ! [[ -d ${initdir}$target ]]; then
[[ -e ${initdir}$target ]] && return 0
inst_dir "${target%/*}"
fi
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# install checksum files also
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if [[ -e "${src%/*}/.${src##*/}.hmac" ]]; then
inst "${src%/*}/.${src##*/}.hmac" "${target%/*}/.${target##*/}.hmac"
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fi
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ddebug "Installing $src"
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cp -pfL "$src" "${initdir}$target"
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}
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# find symlinks linked to given library file
# $1 = library file
# Function searches for symlinks by stripping version numbers appended to
# library filename, checks if it points to the same target and finally
# prints the list of symlinks to stdout.
#
# Example:
# rev_lib_symlinks libfoo.so.8.1
# output: libfoo.so.8 libfoo.so
# (Only if libfoo.so.8 and libfoo.so exists on host system.)
rev_lib_symlinks() {
[[ ! $1 ]] && return 0
local fn="$1" orig="$(readlink -f "$1")" links=''
[[ ${fn} =~ .*\.so\..* ]] || return 1
until [[ ${fn##*.} == so ]]; do
fn="${fn%.*}"
[[ -L ${fn} && $(readlink -f "${fn}") == ${orig} ]] && links+=" ${fn}"
done
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echo "${links}"
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}
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# Same as above, but specialized to handle dynamic libraries.
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# It handles making symlinks according to how the original library
# is referenced.
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inst_library() {
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local src=$1 dest=${2:-$1} lib reallib symlink
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[[ -e $initdir$dest ]] && return 0
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if [[ -L $src ]]; then
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# install checksum files also
if [[ -e "${src%/*}/.${src##*/}.hmac" ]]; then
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inst "${src%/*}/.${src##*/}.hmac" "${dest%/*}/.${dest##*/}.hmac"
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fi
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reallib=$(readlink -f "$src")
lib=${src##*/}
inst_simple "$reallib" "$reallib"
inst_dir "${dest%/*}"
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(cd "${initdir}${dest%/*}" && ln -sfn "$reallib" "$lib")
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else
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inst_simple "$src" "$dest"
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fi
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# Create additional symlinks. See rev_symlinks description.
for symlink in $(rev_lib_symlinks $src) $(rev_lib_symlinks $reallib); do
[[ ! -e $initdir$symlink ]] && {
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ddebug "Creating extra symlink: $symlink"
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inst_symlink $symlink
}
done
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}
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# find a binary. If we were not passed the full path directly,
# search in the usual places to find the binary.
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find_binary() {
local binpath="/bin /sbin /usr/bin /usr/sbin" p
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if [[ -z ${1##/*} ]]; then
if [[ -x $1 ]] || ldd $1 &>/dev/null; then
echo $1
return 0
fi
fi
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for p in $binpath; do
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[[ -x $p/$1 ]] && { echo "$p/$1"; return 0; }
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done
return 1
}
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# Same as above, but specialized to install binary executables.
# Install binary executable, and all shared library dependencies, if any.
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inst_binary() {
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local bin target f self so_regex lib_regex TLIBDIR BASE FILE
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bin=$(find_binary "$1") || return 1
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target=${2:-$bin}
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inst_symlink $bin $target && return 0
[[ -e $initdir$target ]] && return 0
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# If the binary being installed is also a library, add it to the loop.
so_regex='([^ ]*/lib[^/]*/[^ ]*\.so[^ ]*)'
[[ $bin =~ $so_regex ]] && self="\t${bin##*/} => ${bin} (0x0)\n"
lib_regex='^(/lib[^/]*).*'
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# I love bash!
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{ LC_ALL=C ldd $bin 2>/dev/null; echo -en "$self"; } | while read line; do
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[[ $line = 'not a dynamic executable' ]] && return 1
if [[ $line =~ not\ found ]]; then
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dfatal "Missing a shared library required by $bin."
dfatal "Run \"ldd $bin\" to find out what it is."
dfatal "dracut cannot create an initrd."
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exit 1
fi
[[ $line =~ $so_regex ]] || continue
FILE=${BASH_REMATCH[1]}
[[ -e ${initdir}$FILE ]] && continue
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# See if we are loading an optimized version of a shared lib.
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if [[ $FILE =~ $lib_regex ]]; then
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TLIBDIR=${BASH_REMATCH[1]}
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BASE=${FILE##*/}
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# Prefer nosegneg libs to unoptimized ones.
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for f in "$TLIBDIR/i686/nosegneg" "$TLIBDIR"; do
[[ -e $f/$BASE ]] || continue
FILE=$f/$BASE
break
done
inst_library "$FILE" "$TLIBDIR/$BASE"
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else
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inst_library "$FILE"
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fi
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done
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# Install the binary if it wasn't handled in the above loop.
[[ -z $self ]] && inst_simple "$bin" "$target"
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}
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# same as above, except for shell scripts.
# If your shell script does not start with shebang, it is not a shell script.
inst_script() {
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[[ -f $1 ]] || return 1
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local line
read -r -n 80 line <"$1"
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# If debug is set, clean unprintable chars to prevent messing up the term
[[ $debug ]] && line=$(echo -n "$line" | tr -c -d '[:print:][:space:]')
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shebang_regex='(#! *)(/[^ ]+).*'
[[ $line =~ $shebang_regex ]] || return 1
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inst "${BASH_REMATCH[2]}" && inst_simple "$@"
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}
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# same as above, but specialized for symlinks
inst_symlink() {
local src=$1 target=$initdir${2:-$1} realsrc
[[ -L $1 ]] || return 1
[[ -L $target ]] && return 0
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realsrc=$(readlink -f "$src")
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[[ $realsrc = ${realsrc##*/} ]] && realsrc=${src%/*}/$realsrc
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inst "$realsrc" && mkdir -m 0755 -p "${target%/*}" && \
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ln -sfn "$realsrc" "$target"
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}
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# udev rules always get installed in the same place, so
# create a function to install them to make life simpler.
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inst_rules() {
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local target=/etc/udev/rules.d rule found
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inst_dir "/lib/udev/rules.d"
inst_dir "$target"
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for rule in "$@"; do
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for r in /lib/udev/rules.d /etc/udev/rules.d; do
if [[ -f $r/$rule ]]; then
found="$r/$rule"
inst_simple "$found"
fi
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done
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for r in '' ./ $dracutbasedir/rules.d/; do
if [[ -f ${r}$rule ]]; then
found="${r}$rule"
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inst_simple "$found" "$target/${found##*/}"
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fi
done
[[ $found ]] || dinfo "Skipping udev rule: $rule"
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done
}
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# general purpose installation function
# Same args as above.
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inst() {
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case $# in
1) ;;
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2) [[ ! $initdir && -d $2 ]] && export initdir=$2
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[[ $initdir = $2 ]] && set $1;;
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3) [[ -z $initdir ]] && export initdir=$2
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set $1 $3;;
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*) dfatal "inst only takes 1 or 2 or 3 arguments"
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exit 1;;
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esac
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for x in inst_symlink inst_script inst_binary inst_simple; do
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$x "$@" && return 0
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done
return 1
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}
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[[ $hookdirs ]] || {
hookdirs="cmdline pre-udev pre-trigger netroot initqueue pre-mount"
hookdirs+=" pre-pivot mount emergency"
export hookdirs
}
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# install function specialized for hooks
# $1 = type of hook, $2 = hook priority (lower runs first), $3 = hook
# All hooks should be POSIX/SuS compliant, they will be sourced by init.
inst_hook() {
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if ! [[ -f $3 ]]; then
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dfatal "Cannot install a hook ($3) that does not exist."
dfatal "Aborting initrd creation."
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exit 1
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elif ! strstr "$hookdirs" "$1"; then
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dfatal "No such hook type $1. Aborting initrd creation."
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exit 1
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fi
2011-03-25 15:31:34 +03:00
inst_simple "$3" "/lib/dracut/hooks/${1}/${2}${3##*/}"
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}
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dracut_install() {
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if [[ $1 = '-o' ]]; then
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local optional=yes
shift
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fi
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while (($# > 0)); do
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if ! inst "$1" ; then
if [[ $optional = yes ]]; then
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dwarn "Skipping program $1 as it cannot be found and is" \
"flagged to be optional"
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else
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dfatal "Failed to install $1"
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exit 1
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fi
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fi
shift
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done
}
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# install function decompressing the target and handling symlinks
# $@ = list of compressed (gz or bz2) files or symlinks pointing to such files
#
# Function install targets in the same paths inside overlay but decompressed
# and without extensions (.gz, .bz2).
inst_decompress() {
local src dst realsrc realdst cmd
for src in $@
do
case ${src} in
*.gz) cmd='gzip -d' ;;
*.bz2) cmd='bzip2 -d' ;;
*) return 1 ;;
esac
if [[ -L ${src} ]]
then
realsrc="$(readlink -f ${src})" # symlink target with extension
dst="${src%.*}" # symlink without extension
realdst="${realsrc%.*}" # symlink target without extension
mksubdirs "${initdir}/${src}"
# Create symlink without extension to target without extension.
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ln -sfn "${realdst}" "${initdir}/${dst}"
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fi
# If the source is symlink we operate on its target.
[[ ${realsrc} ]] && src=${realsrc}
inst ${src}
# Decompress with chosen tool. We assume that tool changes name e.g.
# from 'name.gz' to 'name'.
${cmd} "${initdir}${src}"
done
}
# It's similar to above, but if file is not compressed, performs standard
# install.
# $@ = list of files
inst_opt_decompress() {
local src
for src in $@
do
inst_decompress "${src}" || inst "${src}"
done
}
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module_check() {
local moddir=$(echo ${dracutbasedir}/modules.d/??${1})
[[ -d $moddir ]] || return 1
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if [[ ! -f $moddir/module-setup.sh ]]; then
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# if we do not have a check script, we are unconditionally included
[[ -x $moddir/check ]] || return 0
$moddir/check $hostonly
return $?
else
unset check depends install installkernel
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. $moddir/module-setup.sh
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is_func check || return 0
check
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ret=$?
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unset check depends install installkernel
return $ret
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fi
}
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module_depends() {
local moddir=$(echo ${dracutbasedir}/modules.d/??${1})
[[ -d $moddir ]] || return 1
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if [[ ! -f $moddir/module-setup.sh ]]; then
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# if we do not have a check script, we have no deps
[[ -x $moddir/check ]] || return 0
$moddir/check -d
return $?
else
unset check depends install installkernel
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. $moddir/module-setup.sh
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is_func depends || return 0
depends
ret=$?
unset check depends install installkernel
return $ret
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fi
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}
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module_install() {
local moddir=$(echo ${dracutbasedir}/modules.d/??${1})
[[ -d $moddir ]] || return 1
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if [[ ! -f $moddir/module-setup.sh ]]; then
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[[ -x $moddir/install ]] && . "$moddir/install"
return $?
else
unset check depends install installkernel
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. $moddir/module-setup.sh
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is_func install || return 0
install
ret=$?
unset check depends install installkernel
return $ret
fi
}
module_installkernel() {
local moddir=$(echo ${dracutbasedir}/modules.d/??${1})
[[ -d $moddir ]] || return 1
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if [[ ! -f $moddir/module-setup.sh ]]; then
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[[ -x $moddir/installkernel ]] && . "$moddir/installkernel"
return $?
else
unset check depends install installkernel
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. $moddir/module-setup.sh
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is_func installkernel || return 0
installkernel
ret=$?
unset check depends install installkernel
return $ret
fi
}
check_module() {
local mod=$1;
local moddir=$(echo ${dracutbasedir}/modules.d/??${1})
local moddep;
# If we are already scheduled to be loaded, no need to check again.
strstr " $mods_to_load " " $mod " && return 0
strstr " $mods_checked_as_dep " " $mod " && return 1
# This should never happen, but...
[[ -d $moddir ]] || return 1
[[ $2 ]] || mods_checked_as_dep+=" $mod "
strstr " $omit_dracutmodules " " $mod " && return 1
if strstr " $dracutmodules $add_dracutmodules " " $mod "; then
module_check $mod; ret=$?
# explicit module, so also accept ret=255
[[ $ret = 0 || $ret = 255 ]] || return 1
else
# module not in our list
if [[ $dracutmodules = all ]]; then
# check, if we can and should install this module
module_check $mod || return 1
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else
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# skip this module
return 1
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fi
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fi
2010-07-27 13:51:27 +04:00
2011-02-02 15:34:58 +03:00
for moddep in $(module_depends $mod); do
# handle deps as if they were manually added
strstr " $add_dracutmodules " " $moddep " || \
add_dracutmodules+=" $moddep "
# if a module we depend on fail, fail also
check_module $moddep || return 1
2009-05-24 09:29:44 +04:00
done
2010-05-26 19:42:57 +04:00
2011-02-02 15:34:58 +03:00
strstr " $mods_to_load " " $mod " || \
mods_to_load+=" $mod "
return 0
}
check_module_dir() {
local modcheck;
local mod;
mods_to_load=""
for moddir in "$dracutbasedir/modules.d"/[0-9][0-9]*; do
local mod=${moddir##*/}; mod=${mod#[0-9][0-9]}
check_module $mod 1
2010-05-26 19:42:57 +04:00
done
2011-03-07 15:08:13 +03:00
# Report any missing dracut modules, the user has specified
modcheck=$add_dracutmodules
[[ $dracutmodules != all ]] && modcheck="$m $dracutmodules"
for mod in $modcheck; do
strstr "$mods_to_load" "$mod" && continue
strstr "$omit_dracutmodules" "$mod" && continue
2011-03-25 17:56:47 +03:00
derror "Dracut module \"$mod\" cannot be found."
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done
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}
2009-08-15 23:17:19 +04:00
# Install a single kernel module along with any firmware it may require.
# $1 = full path to kernel module to install
install_kmod_with_fw() {
local modname=${1##*/} fwdir found
2010-01-13 17:53:17 +03:00
modname=${modname%.ko*}
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# no need to go further if the module is already installed
2011-03-25 17:56:46 +03:00
[[ -e "${initdir}/lib/modules/$kernel/${1##*/lib/modules/$kernel/}" ]] \
&& return 0
inst_simple "$1" "/lib/modules/$kernel/${1##*/lib/modules/$kernel/}" \
|| return $?
2009-08-15 23:17:19 +04:00
for fw in $(modinfo -k $kernel -F firmware $1 2>/dev/null); do
2010-09-10 17:23:06 +04:00
found=''
for fwdir in $fw_dir; do
if [[ -d $fwdir && -f $fwdir/$fw ]]; then
inst_simple "$fwdir/$fw" "/lib/firmware/$fw"
found=yes
fi
done
if [[ $found != yes ]]; then
2011-05-10 13:18:58 +04:00
if ! grep -qe "\<${modname//-/_}\>" /proc/modules; then
dinfo "Possible missing firmware \"${fw}\" for kernel module" \
"\"${modname}.ko\""
else
dwarn "Possible missing firmware \"${fw}\" for kernel module" \
"\"${modname}.ko\""
fi
2010-09-10 17:23:06 +04:00
fi
2009-08-15 23:17:19 +04:00
done
2011-03-07 15:09:25 +03:00
return 0
2009-08-15 23:17:19 +04:00
}
# Do something with all the dependencies of a kernel module.
# Note that kernel modules depend on themselves using the technique we use
2011-03-25 17:56:46 +03:00
# $1 = function to call for each dependency we find
# It will be passed the full path to the found kernel module
2009-08-15 23:17:19 +04:00
# $2 = module to get dependencies for
# rest of args = arguments to modprobe
for_each_kmod_dep() {
2011-03-25 17:56:46 +03:00
local func=$1 kmod=$2 cmd modpapth options
2009-08-15 23:17:19 +04:00
shift 2
2011-03-25 17:56:46 +03:00
modprobe "$@" --ignore-install --show-depends $kmod 2>/dev/null | (
local found=0
while read cmd modpath options; do
[[ $cmd = insmod ]] || continue
$func ${modpath} || exit $?
2011-03-07 15:09:25 +03:00
found=1
2011-03-25 17:56:46 +03:00
done
[[ $found -eq 0 ]] && exit 1
exit 0
)
2011-03-07 15:09:25 +03:00
return $?
2009-08-15 23:17:19 +04:00
}
2009-10-29 12:29:58 +03:00
# filter kernel modules to install certain modules that meet specific
2009-08-21 00:52:45 +04:00
# requirements.
# $1 = function to call with module name to filter.
# This function will be passed the full path to the module to test.
# The behaviour of this function can vary depending on whether $hostonly is set.
# If it is, we will only look at modules that are already in memory.
# If it is not, we will look at all kernel modules
2009-08-21 07:21:33 +04:00
# This function returns the full filenames of modules that match $1
2009-08-21 00:52:45 +04:00
filter_kernel_modules () (
2009-11-27 16:29:32 +03:00
if ! [[ $hostonly ]]; then
2011-03-25 17:56:46 +03:00
filtercmd='find "$srcmods/kernel/drivers" "$srcmods/extra"'
filtercmd+=' "$srcmods/weak-updates" -name "*.ko" -o -name "*.ko.gz"'
filtercmd+=' 2>/dev/null'
2009-08-21 00:52:45 +04:00
else
2011-03-25 17:56:46 +03:00
filtercmd='cut -d " " -f 1 </proc/modules|xargs modinfo -F filename '
filtercmd+='-k $kernel 2>/dev/null'
2009-08-21 00:52:45 +04:00
fi
2009-08-21 07:21:33 +04:00
for modname in $(eval $filtercmd); do
2010-01-13 17:53:17 +03:00
case $modname in
2010-08-14 23:23:24 +04:00
*.ko) "$1" "$modname" && echo "$modname";;
*.ko.gz) gzip -dc "$modname" > $initdir/$$.ko
2010-09-10 17:23:06 +04:00
$1 $initdir/$$.ko && echo "$modname"
2011-03-25 17:56:46 +03:00
rm -f $initdir/$$.ko
;;
2010-01-13 17:53:17 +03:00
esac
2009-08-21 07:21:33 +04:00
done
2009-08-21 00:52:45 +04:00
)
2009-08-15 23:17:19 +04:00
# install kernel modules along with all their dependencies.
2009-02-13 15:42:25 +03:00
instmods() {
2009-08-15 19:56:36 +04:00
[[ $no_kernel = yes ]] && return
2010-06-09 12:36:05 +04:00
local mod mpargs modpath modname cmd moddirname
2011-03-07 15:09:25 +03:00
local ret=0
2009-02-13 15:42:25 +03:00
while (($# > 0)); do
2010-09-10 17:23:06 +04:00
mod=${1%.ko*}
case $mod in
2011-03-25 17:56:46 +03:00
=*)
2010-09-10 17:23:06 +04:00
# This introduces 2 incompatible meanings for =* arguments
2009-03-06 22:50:04 +03:00
# to instmods. We need to decide which one to keep.
2011-03-25 17:56:46 +03:00
if [[ $mod = =ata && -f $srcmods/modules.block ]]; then
instmods $mpargs \
$(egrep 'ata|ahci' "${srcmods}/modules.block")
2010-09-10 17:23:06 +04:00
elif [ -f $srcmods/modules.${mod#=} ]; then
instmods $mpargs $(cat ${srcmods}/modules.${mod#=} )
else
instmods $mpargs $(find "$srcmods" -path "*/${mod#=}/*")
fi
;;
2011-03-25 17:56:46 +03:00
--*)
2010-09-10 17:23:06 +04:00
mod=${mod##*/}
mpargs+=" $mod";;
2010-08-14 23:23:24 +04:00
i2o_scsi) shift; continue;; # Do not load this diagnostic-only module
2010-09-10 17:23:06 +04:00
*) mod=${mod##*/}
2009-08-28 15:28:19 +04:00
# if we are already installed, skip this module and go on
2010-09-10 17:23:06 +04:00
# to the next one.
[[ -f $initdir/$1 ]] && { shift; continue; }
# If we are building a host-specific initramfs and this
# module is not already loaded, move on to the next one.
2011-03-25 17:56:46 +03:00
[[ $hostonly ]] && ! grep -qe "\<${mod//-/_}\>" /proc/modules \
&& ! echo $add_drivers | grep -qe "\<${mod}\>" && {
shift; continue
}
2008-12-18 00:57:43 +03:00
2010-09-10 17:23:06 +04:00
# We use '-d' option in modprobe only if modules prefix path
# differs from default '/'. This allows us to use Dracut with
# old version of modprobe which doesn't have '-d' option.
moddirname=${srcmods%%/lib/modules/*}
[[ -n ${moddirname} ]] && moddirname="-d ${moddirname}/"
2011-03-25 17:56:46 +03:00
2010-09-10 17:23:06 +04:00
# ok, load the module, all its dependencies, and any firmware
# it may require
for_each_kmod_dep install_kmod_with_fw $mod \
--set-version $kernel ${moddirname}
2011-03-29 13:30:27 +04:00
((ret+=$?))
2010-09-10 17:23:06 +04:00
;;
2011-03-25 17:56:46 +03:00
esac
2011-03-07 15:09:25 +03:00
shift
2010-09-10 17:23:06 +04:00
done
2011-03-07 15:09:25 +03:00
return $ret
2011-03-25 17:56:46 +03:00
}