#!/bin/bash
-# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
-# ex: ts=8 sw=4 sts=4 et filetype=sh
#
# functions used by dracut and other tools.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
+export LC_MESSAGES=C
+
+# is_func <command>
+# Check whether $1 is a function.
+is_func() {
+ [[ "$(type -t "$1")" = "function" ]]
+}
+
# Generic substring function. If $2 is in $1, return 0.
-strstr() { [[ $1 = *$2* ]]; }
-
-if ! [[ $dracutbasedir ]]; then
- dracutbasedir=${BASH_SOURCE[0]%/*}
- [[ $dracutbasedir = "dracut-functions" ]] && dracutbasedir="."
- [[ $dracutbasedir ]] || dracutbasedir="."
- dracutbasedir="$(readlink -f $dracutbasedir)"
-fi
-
-# Detect lib paths
-if ! [[ $libdirs ]] ; then
- if strstr "$(ldd /bin/sh)" "/lib64/" &>/dev/null \
- && [[ -d /lib64 ]]; then
- libdirs+=" /lib64"
- [[ -d /usr/lib64 ]] && libdirs+=" /usr/lib64"
- else
- libdirs+=" /lib"
- [[ -d /usr/lib ]] && libdirs+=" /usr/lib"
- fi
- export libdirs
-fi
-
-if ! [[ $kernel ]]; then
- kernel=$(uname -r)
- export kernel
-fi
-
-srcmods="/lib/modules/$kernel/"
-[[ $drivers_dir ]] && {
- if vercmp $(modprobe --version | cut -d' ' -f3) lt 3.7; then
- dfatal 'To use --kmoddir option module-init-tools >= 3.7 is required.'
- exit 1
+strstr() { [[ $1 = *"$2"* ]]; }
+# Generic glob matching function. If glob pattern $2 matches anywhere in $1, OK
+strglobin() { [[ $1 = *$2* ]]; }
+# Generic glob matching function. If glob pattern $2 matches all of $1, OK
+strglob() { [[ $1 = $2 ]]; }
+# returns OK if $1 contains literal string $2 at the beginning, and isn't empty
+str_starts() { [ "${1#"$2"*}" != "$1" ]; }
+# returns OK if $1 contains literal string $2 at the end, and isn't empty
+str_ends() { [ "${1%*"$2"}" != "$1" ]; }
+
+# find a binary. If we were not passed the full path directly,
+# search in the usual places to find the binary.
+find_binary() {
+ if [[ -z ${1##/*} ]]; then
+ if [[ -x $1 ]] || { [[ "$1" == *.so* ]] && ldd "$1" &>/dev/null; }; then
+ printf "%s\n" "$1"
+ return 0
+ fi
fi
- srcmods="$drivers_dir"
-}
-export srcmods
-
-if ! type dinfo >/dev/null 2>&1; then
- . "$dracutbasedir/dracut-logger.sh"
- dlog_init
-fi
-
-# export standard hookdirs
-[[ $hookdirs ]] || {
- hookdirs="cmdline pre-udev pre-trigger netroot "
- hookdirs+="initqueue initqueue/settled initqueue/online initqueue/finished initqueue/timeout "
- hookdirs+="pre-mount pre-pivot cleanup mount "
- hookdirs+="emergency shutdown-emergency shutdown "
- export hookdirs
+
+ type -P "${1##*/}"
}
-# Create all subdirectories for given path without creating the last element.
-# $1 = path
-mksubdirs() { mkdir -m 0755 -p ${1%/*}; }
+ldconfig_paths()
+{
+ ldconfig -pN 2>/dev/null | grep -E -v '/(lib|lib64|usr/lib|usr/lib64)/[^/]*$' | sed -n 's,.* => \(.*\)/.*,\1,p' | sort | uniq
+}
# Version comparision function. Assumes Linux style version scheme.
# $1 = version a
esac
}
-# is_func <command>
-# Check whether $1 is a function.
-is_func() {
- [[ $(type -t $1) = "function" ]]
+# Create all subdirectories for given path without creating the last element.
+# $1 = path
+mksubdirs() {
+ [[ -e ${1%/*} ]] || mkdir -m 0755 -p -- "${1%/*}"
}
# Function prints global variables in format name=value line by line.
print_vars() {
local _var _value
- for _var in $@
+ for _var in "$@"
do
- _value=$(eval echo \$$_var)
- [[ ${_value} ]] && echo "${_var}=\"${_value}\""
+ eval printf -v _value "%s" \""\$$_var"\"
+ [[ ${_value} ]] && printf '%s="%s"\n' "$_var" "$_value"
done
}
shopt -q -s extglob
set -- "${1//+(\/)//}"
shopt -q -u extglob
- echo "${1%/}"
+ printf "%s\n" "${1%/}"
}
# convert_abs_rel <from> <to>
set -- "$(normalize_path "$1")" "$(normalize_path "$2")"
# corner case #1 - self looping link
- [[ "$1" == "$2" ]] && { echo "${1##*/}"; return; }
+ [[ "$1" == "$2" ]] && { printf "%s\n" "${1##*/}"; return; }
# corner case #2 - own dir link
- [[ "${1%/*}" == "$2" ]] && { echo "."; return; }
+ [[ "${1%/*}" == "$2" ]] && { printf ".\n"; return; }
IFS="/" __current=($1)
IFS="/" __absolute=($2)
__abssize=${#__absolute[@]}
__cursize=${#__current[@]}
- while [[ ${__absolute[__level]} == ${__current[__level]} ]]
+ while [[ "${__absolute[__level]}" == "${__current[__level]}" ]]
do
(( __level++ ))
if (( __level > __abssize || __level > __cursize ))
__newpath=$__newpath${__absolute[__i]}
done
- echo "$__newpath"
+ printf "%s\n" "$__newpath"
}
-if strstr "$(ln --help)" "relative"; then
- ln_r() {
- ln -sfnr "${initdir}/$1" "${initdir}/$2"
- }
-else
- ln_r() {
- local _source=$1
- local _dest=$2
- [[ -d "${_dest%/*}" ]] && _dest=$(readlink -f "${_dest%/*}")/${_dest##*/}
- ln -sfn $(convert_abs_rel "${_dest}" "${_source}") "${initdir}/${_dest}"
- }
-fi
# get_fs_env <device>
-# Get and set the ID_FS_TYPE and ID_FS_UUID variable from udev for a device.
+# Get and the ID_FS_TYPE variable from udev for a device.
# Example:
-# $ get_fs_env /dev/sda2; echo $ID_FS_TYPE; echo $ID_FS_UUID
+# $ get_fs_env /dev/sda2
# ext4
-# 551a39aa-4ae9-4e70-a262-ef665cadb574
get_fs_env() {
local evalstr
local found
[[ $1 ]] || return
unset ID_FS_TYPE
- unset ID_FS_UUID
- if evalstr=$(udevadm info --query=env --name=$1 \
- | { while read line; do
- strstr "$line" "DEVPATH" && found=1;
- strstr "$line" "ID_FS_TYPE=" && { echo $line; exit 0;}
- done; [[ $found ]] && exit 0; exit 1; }) ; then
- eval $evalstr
- [[ $ID_FS_TYPE ]] && return 0
- return 1
- fi
-
- # Fallback, if we don't have udev information
- if find_binary blkid >/dev/null; then
- eval $(blkid -o udev $1 \
- | while read line; do
- strstr "$line" "ID_FS_TYPE=" && echo $line;
- done)
- [[ $ID_FS_TYPE ]] && return 0
+ ID_FS_TYPE=$(blkid -u filesystem -o export -- "$1" \
+ | while read line || [ -n "$line" ]; do
+ if [[ "$line" == TYPE\=* ]]; then
+ printf "%s" "${line#TYPE=}";
+ exit 0;
+ fi
+ done)
+ if [[ $ID_FS_TYPE ]]; then
+ printf "%s" "$ID_FS_TYPE"
+ return 0
fi
return 1
}
# $ get_maj_min /dev/sda2
# 8:2
get_maj_min() {
- local _dev
- _dev=$(stat -L -c '$((0x%t)):$((0x%T))' "$1" 2>/dev/null)
- _dev=$(eval "echo $_dev")
- echo $_dev
+ local _maj _min _majmin
+ _majmin="$(stat -L -c '%t:%T' "$1" 2>/dev/null)"
+ printf "%s" "$((0x${_majmin%:*})):$((0x${_majmin#*:}))"
+}
+
+
+# get_devpath_block <device>
+# get the DEVPATH in /sys of a block device
+get_devpath_block() {
+ local _majmin _i
+ _majmin=$(get_maj_min "$1")
+
+ for _i in /sys/block/*/dev /sys/block/*/*/dev; do
+ [[ -e "$_i" ]] || continue
+ if [[ "$_majmin" == "$(<"$_i")" ]]; then
+ printf "%s" "${_i%/dev}"
+ return 0
+ fi
+ done
+ return 1
+}
+
+# get a persistent path from a device
+get_persistent_dev() {
+ local i _tmp _dev _pol
+
+ _dev=$(get_maj_min "$1")
+ [ -z "$_dev" ] && return
+
+ if [[ -n "$persistent_policy" ]]; then
+ _pol="/dev/disk/${persistent_policy}/*"
+ else
+ _pol=
+ fi
+
+ for i in \
+ $_pol \
+ /dev/mapper/* \
+ /dev/disk/by-uuid/* \
+ /dev/disk/by-label/* \
+ /dev/disk/by-partuuid/* \
+ /dev/disk/by-partlabel/* \
+ /dev/disk/by-id/* \
+ /dev/disk/by-path/* \
+ ; do
+ [[ -e "$i" ]] || continue
+ [[ $i == /dev/mapper/control ]] && continue
+ [[ $i == /dev/mapper/mpath* ]] && continue
+ _tmp=$(get_maj_min "$i")
+ if [ "$_tmp" = "$_dev" ]; then
+ printf -- "%s" "$i"
+ return
+ fi
+ done
+ printf -- "%s" "$1"
+}
+
+expand_persistent_dev() {
+ local _dev=$1
+
+ case "$_dev" in
+ LABEL=*)
+ _dev="/dev/disk/by-label/${_dev#LABEL=}"
+ ;;
+ UUID=*)
+ _dev="${_dev#UUID=}"
+ _dev="${_dev,,}"
+ _dev="/dev/disk/by-uuid/${_dev}"
+ ;;
+ PARTUUID=*)
+ _dev="${_dev#PARTUUID=}"
+ _dev="${_dev,,}"
+ _dev="/dev/disk/by-partuuid/${_dev}"
+ ;;
+ PARTLABEL=*)
+ _dev="/dev/disk/by-partlabel/${_dev#PARTLABEL=}"
+ ;;
+ esac
+ printf "%s" "$_dev"
+}
+
+shorten_persistent_dev() {
+ local _dev="$1"
+ case "$_dev" in
+ /dev/disk/by-uuid/*)
+ printf "%s" "UUID=${_dev##*/}";;
+ /dev/disk/by-label/*)
+ printf "%s" "LABEL=${_dev##*/}";;
+ /dev/disk/by-partuuid/*)
+ printf "%s" "PARTUUID=${_dev##*/}";;
+ /dev/disk/by-partlabel/*)
+ printf "%s" "PARTLABEL=${_dev##*/}";;
+ *)
+ printf "%s" "$_dev";;
+ esac
}
# find_block_device <mountpoint>
# $ find_block_device /usr
# 8:4
find_block_device() {
- local _x _mpt _majmin _dev _fs _maj _min
+ local _dev _majmin _find_mpt
+ _find_mpt="$1"
if [[ $use_fstab != yes ]]; then
- while read _x _x _majmin _x _mpt _x _x _fs _dev _x; do
- [[ $_mpt = $1 ]] || continue
- [[ $_fs = nfs ]] && { echo $_dev; return 0;}
- [[ $_fs = nfs3 ]] && { echo $_dev; return 0;}
- [[ $_fs = nfs4 ]] && { echo $_dev; return 0;}
- [[ $_fs = btrfs ]] && {
- get_maj_min $_dev
- return 0;
- }
- if [[ ${_majmin#0:} = $_majmin ]]; then
- echo $_majmin
- return 0 # we have a winner!
- fi
- done < /proc/self/mountinfo
+ [[ -d $_find_mpt/. ]]
+ findmnt -e -v -n -o 'MAJ:MIN,SOURCE' --target "$_find_mpt" | { \
+ while read _majmin _dev || [ -n "$_dev" ]; do
+ if [[ -b $_dev ]]; then
+ if ! [[ $_majmin ]] || [[ $_majmin == 0:* ]]; then
+ _majmin=$(get_maj_min $_dev)
+ fi
+ if [[ $_majmin ]]; then
+ printf "%s\n" "$_majmin"
+ else
+ printf "%s\n" "$_dev"
+ fi
+ return 0
+ fi
+ if [[ $_dev = *:* ]]; then
+ printf "%s\n" "$_dev"
+ return 0
+ fi
+ done; return 1; } && return 0
fi
# fall back to /etc/fstab
- while read _dev _mpt _fs _x; do
- [ "${_dev%%#*}" != "$_dev" ] && continue
-
- if [[ $_mpt = $1 ]]; then
- [[ $_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=}
- [[ -b $_dev ]] || return 1 # oops, not a block device.
- get_maj_min "$_dev" && return 0
- fi
- done < /etc/fstab
+
+ findmnt -e --fstab -v -n -o 'MAJ:MIN,SOURCE' --target "$_find_mpt" | { \
+ while read _majmin _dev || [ -n "$_dev" ]; do
+ if ! [[ $_dev ]]; then
+ _dev="$_majmin"
+ unset _majmin
+ fi
+ if [[ -b $_dev ]]; then
+ [[ $_majmin ]] || _majmin=$(get_maj_min $_dev)
+ if [[ $_majmin ]]; then
+ printf "%s\n" "$_majmin"
+ else
+ printf "%s\n" "$_dev"
+ fi
+ return 0
+ fi
+ if [[ $_dev = *:* ]]; then
+ printf "%s\n" "$_dev"
+ return 0
+ fi
+ done; return 1; } && return 0
+
+ return 1
+}
+
+# find_mp_fstype <mountpoint>
+# Echo the filesystem type for a given mountpoint.
+# /proc/self/mountinfo is taken as the primary source of information
+# and /etc/fstab is used as a fallback.
+# No newline is appended!
+# Example:
+# $ find_mp_fstype /;echo
+# ext4
+find_mp_fstype() {
+ local _fs
+
+ if [[ $use_fstab != yes ]]; then
+ findmnt -e -v -n -o 'FSTYPE' --target "$1" | { \
+ while read _fs || [ -n "$_fs" ]; do
+ [[ $_fs ]] || continue
+ [[ $_fs = "autofs" ]] && continue
+ printf "%s" "$_fs"
+ return 0
+ done; return 1; } && return 0
+ fi
+
+ findmnt --fstab -e -v -n -o 'FSTYPE' --target "$1" | { \
+ while read _fs || [ -n "$_fs" ]; do
+ [[ $_fs ]] || continue
+ [[ $_fs = "autofs" ]] && continue
+ printf "%s" "$_fs"
+ return 0
+ done; return 1; } && return 0
return 1
}
# $ find_dev_fstype /dev/sda2;echo
# ext4
find_dev_fstype() {
- local _x _mpt _majmin _dev _fs _maj _min
- while read _x _x _majmin _x _mpt _x _x _fs _dev _x; do
- [[ $_dev = $1 ]] || continue
- echo -n $_fs;
- return 0;
- done < /proc/self/mountinfo
+ local _find_dev _fs
+ _find_dev="$1"
+ if ! [[ "$_find_dev" = /dev* ]]; then
+ [[ -b "/dev/block/$_find_dev" ]] && _find_dev="/dev/block/$_find_dev"
+ fi
- # fall back to /etc/fstab
- while read _dev _mpt _fs _x; do
- [[ $_dev = $1 ]] || continue
- echo -n $_fs;
- return 0;
- done < /etc/fstab
+ if [[ $use_fstab != yes ]]; then
+ findmnt -e -v -n -o 'FSTYPE' --source "$_find_dev" | { \
+ while read _fs || [ -n "$_fs" ]; do
+ [[ $_fs ]] || continue
+ [[ $_fs = "autofs" ]] && continue
+ printf "%s" "$_fs"
+ return 0
+ done; return 1; } && return 0
+ fi
+
+ findmnt --fstab -e -v -n -o 'FSTYPE' --source "$_find_dev" | { \
+ while read _fs || [ -n "$_fs" ]; do
+ [[ $_fs ]] || continue
+ [[ $_fs = "autofs" ]] && continue
+ printf "%s" "$_fs"
+ return 0
+ done; return 1; } && return 0
return 1
}
+# find_mp_fsopts <mountpoint>
+# Echo the filesystem options for a given mountpoint.
+# /proc/self/mountinfo is taken as the primary source of information
+# and /etc/fstab is used as a fallback.
+# No newline is appended!
+# Example:
+# $ find_mp_fsopts /;echo
+# rw,relatime,discard,data=ordered
+find_mp_fsopts() {
+ if [[ $use_fstab != yes ]]; then
+ findmnt -e -v -n -o 'OPTIONS' --target "$1" 2>/dev/null && return 0
+ fi
+
+ findmnt --fstab -e -v -n -o 'OPTIONS' --target "$1"
+}
+
+# find_dev_fsopts <device>
+# Echo the filesystem options for a given device.
+# /proc/self/mountinfo is taken as the primary source of information
+# and /etc/fstab is used as a fallback.
+# Example:
+# $ find_dev_fsopts /dev/sda2
+# rw,relatime,discard,data=ordered
+find_dev_fsopts() {
+ local _find_dev _opts
+ _find_dev="$1"
+ if ! [[ "$_find_dev" = /dev* ]]; then
+ [[ -b "/dev/block/$_find_dev" ]] && _find_dev="/dev/block/$_find_dev"
+ fi
+
+ if [[ $use_fstab != yes ]]; then
+ findmnt -e -v -n -o 'OPTIONS' --source "$_find_dev" 2>/dev/null && return 0
+ fi
+
+ findmnt --fstab -e -v -n -o 'OPTIONS' --source "$_find_dev"
+}
+
+
# finds the major:minor of the block device backing the root filesystem.
find_root_block_device() { find_block_device /; }
# for_each_host_dev_fs <func>
-# Execute "<func> <dev> <filesystem>" for every "<dev>|<fs>" pair found
+# Execute "<func> <dev> <filesystem>" for every "<dev> <fs>" pair found
# in ${host_fs_types[@]}
for_each_host_dev_fs()
{
local _func="$1"
local _dev
- local _fs
local _ret=1
- for f in ${host_fs_types[@]}; do
- OLDIFS="$IFS"
- IFS="|"
- set -- $f
- IFS="$OLDIFS"
- _dev="$1"
- [[ -b "$_dev" ]] || continue
- _fs="$2"
- $_func $_dev $_fs && _ret=0
+
+ [[ "${#host_fs_types[@]}" ]] || return 2
+
+
+ for _dev in "${!host_fs_types[@]}"; do
+ $_func "$_dev" "${host_fs_types[$_dev]}" && _ret=0
done
return $_ret
}
+host_fs_all()
+{
+ printf "%s\n" "${host_fs_types[@]}"
+}
+
# 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
check_block_and_slaves() {
local _x
[[ -b /dev/block/$2 ]] || return 1 # Not a block device? So sorry.
- "$1" $2 && return
+ if ! lvm_internal_dev $2; then "$1" $2 && return; fi
check_vol_slaves "$@" && return 0
- if [[ -f /sys/dev/block/$2/../dev ]]; then
- check_block_and_slaves $1 $(cat "/sys/dev/block/$2/../dev") && return 0
+ if [[ -f /sys/dev/block/$2/../dev ]] && [[ /sys/dev/block/$2/../subsystem -ef /sys/class/block ]]; then
+ check_block_and_slaves $1 $(<"/sys/dev/block/$2/../dev") && return 0
fi
[[ -d /sys/dev/block/$2/slaves ]] || return 1
- for _x in /sys/dev/block/$2/slaves/*/dev; do
- [[ -f $_x ]] || continue
- check_block_and_slaves $1 $(cat "$_x") && return 0
- done
- return 1
-}
-
-# 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.
-# And the volume group might be bigger than the devices the LV needs.
-check_vol_slaves() {
- local _lv _vg _pv
- for i in /dev/mapper/*; do
- _lv=$(get_maj_min $i)
- if [[ $_lv = $2 ]]; then
- _vg=$(lvm lvs --noheadings -o vg_name $i 2>/dev/null)
- # strip space
- _vg=$(echo $_vg)
- if [[ $_vg ]]; then
- for _pv in $(lvm vgs --noheadings -o pv_name "$_vg" 2>/dev/null)
- do
- check_block_and_slaves $1 $(get_maj_min $_pv) && return 0
- done
- fi
- fi
+ for _x in /sys/dev/block/$2/slaves/*; do
+ [[ -f $_x/dev ]] || continue
+ [[ $_x/subsystem -ef /sys/class/block ]] || continue
+ check_block_and_slaves $1 $(<"$_x/dev") && return 0
done
return 1
}
-# Install a directory, keeping symlinks as on the original system.
-# Example: if /lib points to /lib64 on the host, "inst_dir /lib/file"
-# will create ${initdir}/lib64, ${initdir}/lib64/file,
-# and a symlink ${initdir}/lib -> lib64.
-inst_dir() {
- [[ -e ${initdir}/"$1" ]] && return 0 # already there
-
- local _dir="$1" _part="${1%/*}" _file
- while [[ "$_part" != "${_part%/*}" ]] && ! [[ -e "${initdir}/${_part}" ]]; do
- _dir="$_part $_dir"
- _part=${_part%/*}
- done
-
- # iterate over parent directories
- for _file in $_dir; do
- [[ -e "${initdir}/$_file" ]] && continue
- if [[ -L $_file ]]; then
- inst_symlink "$_file"
- else
- # create directory
- mkdir -m 0755 -p "${initdir}/$_file" || return 1
- [[ -e "$_file" ]] && chmod --reference="$_file" "${initdir}/$_file"
- chmod u+w "${initdir}/$_file"
- fi
- done
-}
-
-# $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
-# We never overwrite the target if it exists.
-inst_simple() {
- [[ -f "$1" ]] || return 1
- strstr "$1" "/" || return 1
-
- local _src=$1 target="${2:-$1}"
- if ! [[ -d ${initdir}/$target ]]; then
- [[ -e ${initdir}/$target ]] && return 0
- [[ -L ${initdir}/$target ]] && return 0
- [[ -d "${initdir}/${target%/*}" ]] || inst_dir "${target%/*}"
+check_block_and_slaves_all() {
+ local _x _ret=1
+ [[ -b /dev/block/$2 ]] || return 1 # Not a block device? So sorry.
+ if ! lvm_internal_dev $2 && "$1" $2; then
+ _ret=0
fi
- # install checksum files also
- if [[ -e "${_src%/*}/.${_src##*/}.hmac" ]]; then
- inst "${_src%/*}/.${_src##*/}.hmac" "${target%/*}/.${target##*/}.hmac"
+ check_vol_slaves_all "$@" && return 0
+ if [[ -f /sys/dev/block/$2/../dev ]] && [[ /sys/dev/block/$2/../subsystem -ef /sys/class/block ]]; then
+ check_block_and_slaves_all $1 $(<"/sys/dev/block/$2/../dev") && _ret=0
fi
- ddebug "Installing $_src"
- cp --sparse=always -pfL "$_src" "${initdir}/$target"
-}
-
-# 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+=" ${fn}"
- done
-
- echo "${links}"
-}
-
-# Same as above, but specialized to handle dynamic libraries.
-# It handles making symlinks according to how the original library
-# is referenced.
-inst_library() {
- local _src="$1" _dest=${2:-$1} _lib _reallib _symlink
- strstr "$1" "/" || return 1
- [[ -e $initdir/$_dest ]] && return 0
- if [[ -L $_src ]]; then
- # install checksum files also
- if [[ -e "${_src%/*}/.${_src##*/}.hmac" ]]; then
- inst "${_src%/*}/.${_src##*/}.hmac" "${_dest%/*}/.${_dest##*/}.hmac"
- fi
- _reallib=$(readlink -f "$_src")
- inst_simple "$_reallib" "$_reallib"
- inst_dir "${_dest%/*}"
- ln_r "${_reallib}" "${_dest}"
- else
- inst_simple "$_src" "$_dest"
- fi
-
- # Create additional symlinks. See rev_symlinks description.
- for _symlink in $(rev_lib_symlinks $_src) $(rev_lib_symlinks $_reallib); do
- [[ ! -e $initdir/$_symlink ]] && {
- ddebug "Creating extra symlink: $_symlink"
- inst_symlink $_symlink
- }
+ [[ -d /sys/dev/block/$2/slaves ]] || return 1
+ for _x in /sys/dev/block/$2/slaves/*; do
+ [[ -f $_x/dev ]] || continue
+ [[ $_x/subsystem -ef /sys/class/block ]] || continue
+ check_block_and_slaves_all $1 $(<"$_x/dev") && _ret=0
done
+ return $_ret
}
+# for_each_host_dev_and_slaves <func>
+# Execute "<func> <dev>" for every "<dev>" found
+# in ${host_devs[@]} and their slaves
+for_each_host_dev_and_slaves_all()
+{
+ local _func="$1"
+ local _dev
+ local _ret=1
-# find a binary. If we were not passed the full path directly,
-# search in the usual places to find the binary.
-find_binary() {
- if [[ -z ${1##/*} ]]; then
- if [[ -x $1 ]] || { strstr "$1" ".so" && ldd $1 &>/dev/null; }; then
- echo $1
- return 0
- fi
- fi
-
- type -P $1
-}
-
-# Same as above, but specialized to install binary executables.
-# Install binary executable, and all shared library dependencies, if any.
-inst_binary() {
- local _bin _target
- _bin=$(find_binary "$1") || return 1
- _target=${2:-$_bin}
- [[ -e $initdir/$_target ]] && return 0
- [[ -L $_bin ]] && inst_symlink $_bin $_target && return 0
- local _file _line
- local _so_regex='([^ ]*/lib[^/]*/[^ ]*\.so[^ ]*)'
- # I love bash!
- LC_ALL=C ldd "$_bin" 2>/dev/null | while read _line; do
- [[ $_line = 'not a dynamic executable' ]] && break
-
- if [[ $_line =~ $_so_regex ]]; then
- _file=${BASH_REMATCH[1]}
- [[ -e ${initdir}/$_file ]] && continue
- inst_library "$_file"
- continue
- fi
+ [[ "${host_devs[@]}" ]] || return 2
- if [[ $_line =~ not\ found ]]; then
- dfatal "Missing a shared library required by $_bin."
- dfatal "Run \"ldd $_bin\" to find out what it is."
- dfatal "$_line"
- dfatal "dracut cannot create an initrd."
- exit 1
+ for _dev in "${host_devs[@]}"; do
+ [[ -b "$_dev" ]] || continue
+ if check_block_and_slaves_all $_func $(get_maj_min $_dev); then
+ _ret=0
fi
done
- inst_simple "$_bin" "$_target"
-}
-
-# same as above, except for shell scripts.
-# If your shell script does not start with shebang, it is not a shell script.
-inst_script() {
- local _bin
- _bin=$(find_binary "$1") || return 1
- shift
- local _line _shebang_regex
- read -r -n 80 _line <"$_bin"
- # If debug is set, clean unprintable chars to prevent messing up the term
- [[ $debug ]] && _line=$(echo -n "$_line" | tr -c -d '[:print:][:space:]')
- _shebang_regex='(#! *)(/[^ ]+).*'
- [[ $_line =~ $_shebang_regex ]] || return 1
- inst "${BASH_REMATCH[2]}" && inst_simple "$_bin" "$@"
-}
-
-# same as above, but specialized for symlinks
-inst_symlink() {
- local _src=$1 _target=${2:-$1} _realsrc
- strstr "$1" "/" || return 1
- [[ -L $1 ]] || return 1
- [[ -L $initdir/$_target ]] && return 0
- _realsrc=$(readlink -f "$_src")
- if ! [[ -e $initdir/$_realsrc ]]; then
- if [[ -d $_realsrc ]]; then
- inst_dir "$_realsrc"
- else
- inst "$_realsrc"
- fi
- fi
- [[ ! -e $initdir/${_target%/*} ]] && inst_dir "${_target%/*}"
-
- ln_r "${_realsrc}" "${_target}"
-}
-
-# attempt to install any programs specified in a udev rule
-inst_rule_programs() {
- local _prog _bin
-
- if grep -qE 'PROGRAM==?"[^ "]+' "$1"; then
- for _prog in $(grep -E 'PROGRAM==?"[^ "]+' "$1" | sed -r 's/.*PROGRAM==?"([^ "]+).*/\1/'); do
- if [ -x ${udevdir}/$_prog ]; then
- _bin=${udevdir}/$_prog
- else
- _bin=$(find_binary "$_prog") || {
- dinfo "Skipping program $_prog using in udev rule $(basename $1) as it cannot be found"
- continue;
- }
- fi
-
- #dinfo "Installing $_bin due to it's use in the udev rule $(basename $1)"
- dracut_install "$_bin"
- done
- fi
- if grep -qE 'RUN==?"[^ "]+' "$1"; then
- for _prog in $(grep -E 'RUN==?"[^ "]+' "$1" | sed -r 's/.*RUN==?"([^ "]+).*/\1/'); do
- if [ -x ${udevdir}/$_prog ]; then
- _bin=${udevdir}/$_prog
- else
- _bin=$(find_binary "$_prog") || {
- dinfo "Skipping program $_prog using in udev rule $(basename $1) as it cannot be found"
- continue;
- }
- fi
-
- #dinfo "Installing $_bin due to it's use in the udev rule $(basename $1)"
- dracut_install "$_bin"
- done
- fi
- if grep -qE 'PROGRAM==?"[^ "]+' "$1"; then
- for _prog in $(grep -E 'IMPORT==?"[^ "]+' "$1" | sed -r 's/.*IMPORT==?"([^ "]+).*/\1/'); do
- if [ -x ${udevdir}/$_prog ]; then
- _bin=${udevdir}/$_prog
- else
- _bin=$(find_binary "$_prog") || {
- dinfo "Skipping program $_prog using in udev rule $(basename $1) as it cannot be found"
- continue;
- }
- fi
-
- #dinfo "Installing $_bin due to it's use in the udev rule $(basename $1)"
- dracut_install "$_bin"
- done
- fi
+ return $_ret
}
-# udev rules always get installed in the same place, so
-# create a function to install them to make life simpler.
-inst_rules() {
- local _target=/etc/udev/rules.d _rule _found
-
- inst_dir "${udevdir}/rules.d"
- inst_dir "$_target"
- for _rule in "$@"; do
- if [ "${rule#/}" = "$rule" ]; then
- for r in ${udevdir}/rules.d /etc/udev/rules.d; do
- if [[ -f $r/$_rule ]]; then
- _found="$r/$_rule"
- inst_rule_programs "$_found"
- inst_simple "$_found"
- fi
- done
- fi
- for r in '' ./ $dracutbasedir/rules.d/; do
- if [[ -f ${r}$_rule ]]; then
- _found="${r}$_rule"
- inst_rule_programs "$_found"
- inst_simple "$_found" "$_target/${_found##*/}"
- fi
- done
- [[ $_found ]] || dinfo "Skipping udev rule: $_rule"
- done
-}
+for_each_host_dev_and_slaves()
+{
+ local _func="$1"
+ local _dev
-# general purpose installation function
-# Same args as above.
-inst() {
- local _x
+ [[ "${host_devs[@]}" ]] || return 2
- case $# in
- 1) ;;
- 2) [[ ! $initdir && -d $2 ]] && export initdir=$2
- [[ $initdir = $2 ]] && set $1;;
- 3) [[ -z $initdir ]] && export initdir=$2
- set $1 $3;;
- *) dfatal "inst only takes 1 or 2 or 3 arguments"
- exit 1;;
- esac
- for _x in inst_symlink inst_script inst_binary inst_simple; do
- $_x "$@" && return 0
+ for _dev in "${host_devs[@]}"; do
+ [[ -b "$_dev" ]] || continue
+ check_block_and_slaves $_func $(get_maj_min $_dev) && return 0
done
return 1
}
-# 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() {
- if ! [[ -f $3 ]]; then
- dfatal "Cannot install a hook ($3) that does not exist."
- dfatal "Aborting initrd creation."
- exit 1
- elif ! strstr "$hookdirs" "$1"; then
- dfatal "No such hook type $1. Aborting initrd creation."
- exit 1
+# 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.
+# And the volume group might be bigger than the devices the LV needs.
+check_vol_slaves() {
+ local _lv _vg _pv _dm _majmin
+ _majmin="$2"
+ _lv="/dev/block/$_majmin"
+ _dm=/sys/dev/block/$_majmin/dm
+ [[ -f $_dm/uuid && $(<$_dm/uuid) =~ LVM-* ]] || return 1
+ _vg=$(dmsetup splitname --noheadings -o vg_name $(<"$_dm/name") )
+ # strip space
+ _vg="${_vg//[[:space:]]/}"
+ if [[ $_vg ]]; then
+ for _pv in $(lvm vgs --noheadings -o pv_name "$_vg" 2>/dev/null)
+ do
+ check_block_and_slaves $1 $(get_maj_min $_pv) && return 0
+ done
fi
- inst_simple "$3" "/lib/dracut/hooks/${1}/${2}${3##*/}"
-}
-
-# install any of listed files
-#
-# If first argument is '-d' and second some destination path, first accessible
-# source is installed into this path, otherwise it will installed in the same
-# path as source. If none of listed files was installed, function return 1.
-# On first successful installation it returns with 0 status.
-#
-# Example:
-#
-# inst_any -d /bin/foo /bin/bar /bin/baz
-#
-# Lets assume that /bin/baz exists, so it will be installed as /bin/foo in
-# initramfs.
-inst_any() {
- local to f
-
- [[ $1 = '-d' ]] && to="$2" && shift 2
-
- for f in "$@"; do
- if [[ -e $f ]]; then
- [[ $to ]] && inst "$f" "$to" && return 0
- inst "$f" && return 0
- fi
- done
-
return 1
}
-# dracut_install [-o ] <file> [<file> ... ]
-# Install <file> to the initramfs image
-# -o optionally install the <file> and don't fail, if it is not there
-dracut_install() {
- local _optional=no
- if [[ $1 = '-o' ]]; then
- _optional=yes
- shift
- fi
- while (($# > 0)); do
- if ! inst "$1" ; then
- if [[ $_optional = yes ]]; then
- dinfo "Skipping program $1 as it cannot be found and is" \
- "flagged to be optional"
- else
- dfatal "Failed to install $1"
- exit 1
- fi
- fi
- shift
- done
-}
-
-
-# inst_libdir_file [-n <pattern>] <file> [<file>...]
-# Install a <file> located on a lib directory to the initramfs image
-# -n <pattern> install matching files
-inst_libdir_file() {
- if [[ "$1" == "-n" ]]; then
- local _pattern=$2
- shift 2
- for _dir in $libdirs; do
- for _i in "$@"; do
- for _f in "$_dir"/$_i; do
- [[ "$_f" =~ $_pattern ]] || continue
- [[ -e "$_f" ]] && dracut_install "$_f"
- done
- done
- done
- else
- for _dir in $libdirs; do
- for _i in "$@"; do
- for _f in "$_dir"/$_i; do
- [[ -e "$_f" ]] && dracut_install "$_f"
- done
- done
+check_vol_slaves_all() {
+ local _lv _vg _pv _majmin
+ _majmin="$2"
+ _lv="/dev/block/$_majmin"
+ _dm="/sys/dev/block/$_majmin/dm"
+ [[ -f $_dm/uuid && $(<$_dm/uuid) =~ LVM-* ]] || return 1
+ _vg=$(dmsetup splitname --noheadings -o vg_name $(<"$_dm/name") )
+ # strip space
+ _vg="${_vg//[[:space:]]/}"
+ if [[ $_vg ]]; then
+ for _pv in $(lvm vgs --noheadings -o pv_name "$_vg" 2>/dev/null)
+ do
+ check_block_and_slaves_all $1 $(get_maj_min $_pv)
done
+ return 0
fi
+ return 1
}
-# 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 ;;
+# fs_get_option <filesystem options> <search for option>
+# search for a specific option in a bunch of filesystem options
+# and return the value
+fs_get_option() {
+ local _fsopts=$1
+ local _option=$2
+ local OLDIFS="$IFS"
+ IFS=,
+ set -- $_fsopts
+ IFS="$OLDIFS"
+ while [ $# -gt 0 ]; do
+ case $1 in
+ $_option=*)
+ echo ${1#${_option}=}
+ break
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}/${_src}"
- # Create symlink without extension to target without extension.
- ln -sfn "${_realdst}" "${initdir}/${_dst}"
- 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}"
+ shift
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
-}
+check_kernel_config()
+{
+ local _config_opt="$1"
+ local _config_file
+ [[ -f /boot/config-$kernel ]] \
+ && _config_file="/boot/config-$kernel"
+ [[ -f /lib/modules/$kernel/config ]] \
+ && _config_file="/lib/modules/$kernel/config"
-# module_check <dracut module>
-# execute the check() function of module-setup.sh of <dracut module>
-# or the "check" script, if module-setup.sh is not found
-# "check $hostonly" is called
-module_check() {
- local _moddir=$(echo ${dracutbasedir}/modules.d/??${1})
- local _ret
- local _forced=0
- local _hostonly=$hostonly
- [ $# -eq 2 ] && _forced=$2
- [[ -d $_moddir ]] || return 1
- if [[ ! -f $_moddir/module-setup.sh ]]; then
- # if we do not have a check script, we are unconditionally included
- [[ -x $_moddir/check ]] || return 0
- [ $_forced -ne 0 ] && unset hostonly
- $_moddir/check $hostonly
- _ret=$?
- else
- unset check depends install installkernel
- . $_moddir/module-setup.sh
- is_func check || return 0
- [ $_forced -ne 0 ] && unset hostonly
- check $hostonly
- _ret=$?
- unset check depends install installkernel
- fi
- hostonly=$_hostonly
- return $_ret
-}
+ # no kernel config file, so return true
+ [[ $_config_file ]] || return 0
-# module_check_mount <dracut module>
-# execute the check() function of module-setup.sh of <dracut module>
-# or the "check" script, if module-setup.sh is not found
-# "mount_needs=1 check 0" is called
-module_check_mount() {
- local _moddir=$(echo ${dracutbasedir}/modules.d/??${1})
- local _ret
- mount_needs=1
- [[ -d $_moddir ]] || return 1
- if [[ ! -f $_moddir/module-setup.sh ]]; then
- # if we do not have a check script, we are unconditionally included
- [[ -x $_moddir/check ]] || return 0
- mount_needs=1 $_moddir/check 0
- _ret=$?
- else
- unset check depends install installkernel
- . $_moddir/module-setup.sh
- is_func check || return 1
- check 0
- _ret=$?
- unset check depends install installkernel
- fi
- unset mount_needs
- return $_ret
+ grep -q -F "${_config_opt}=" "$_config_file" && return 0
+ return 1
}
-# module_depends <dracut module>
-# execute the depends() function of module-setup.sh of <dracut module>
-# or the "depends" script, if module-setup.sh is not found
-module_depends() {
- local _moddir=$(echo ${dracutbasedir}/modules.d/??${1})
- local _ret
- [[ -d $_moddir ]] || return 1
- if [[ ! -f $_moddir/module-setup.sh ]]; then
- # 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
- . $_moddir/module-setup.sh
- is_func depends || return 0
- depends
- _ret=$?
- unset check depends install installkernel
- return $_ret
- fi
-}
-# module_install <dracut module>
-# execute the install() function of module-setup.sh of <dracut module>
-# or the "install" script, if module-setup.sh is not found
-module_install() {
- local _moddir=$(echo ${dracutbasedir}/modules.d/??${1})
- local _ret
- [[ -d $_moddir ]] || return 1
- if [[ ! -f $_moddir/module-setup.sh ]]; then
- [[ -x $_moddir/install ]] && . "$_moddir/install"
- return $?
- else
- unset check depends install installkernel
- . $_moddir/module-setup.sh
- is_func install || return 0
- install
- _ret=$?
- unset check depends install installkernel
- return $_ret
+# get_cpu_vendor
+# Only two values are returned: AMD or Intel
+get_cpu_vendor ()
+{
+ if grep -qE AMD /proc/cpuinfo; then
+ printf "AMD"
fi
-}
-
-# module_installkernel <dracut module>
-# execute the installkernel() function of module-setup.sh of <dracut module>
-# or the "installkernel" script, if module-setup.sh is not found
-module_installkernel() {
- local _moddir=$(echo ${dracutbasedir}/modules.d/??${1})
- local _ret
- [[ -d $_moddir ]] || return 1
- if [[ ! -f $_moddir/module-setup.sh ]]; then
- [[ -x $_moddir/installkernel ]] && . "$_moddir/installkernel"
- return $?
- else
- unset check depends install installkernel
- . $_moddir/module-setup.sh
- is_func installkernel || return 0
- installkernel
- _ret=$?
- unset check depends install installkernel
- return $_ret
+ if grep -qE Intel /proc/cpuinfo; then
+ printf "Intel"
fi
}
-# check_mount <dracut module>
-# check_mount checks, if a dracut module is needed for the given
-# device and filesystem types in "${host_fs_types[@]}"
-check_mount() {
- local _mod=$1
- local _moddir=$(echo ${dracutbasedir}/modules.d/??${1})
- local _ret
- 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 " " $_mod " && return 1
-
- if [ "${#host_fs_types[*]}" -gt 0 ]; then
- module_check_mount $_mod || return 1
- else
- # skip this module
- return 1
- fi
-
- for _moddep in $(module_depends $_mod); do
- # handle deps as if they were manually added
- strstr " $add_dracutmodules " " $_moddep " || \
- add_dracutmodules+=" $_moddep "
- strstr " $force_add_dracutmodules " " $_moddep " || \
- force_add_dracutmodules+=" $_moddep "
- # if a module we depend on fail, fail also
- check_module $_moddep || return 1
- done
-
- strstr " $mods_to_load " " $_mod " || \
- mods_to_load+=" $_mod "
-
- return 0
-}
+# get_host_ucode
+# Get the hosts' ucode file based on the /proc/cpuinfo
+get_ucode_file ()
+{
+ local family=`grep -E "cpu family" /proc/cpuinfo | head -1 | sed s/.*:\ //`
+ local model=`grep -E "model" /proc/cpuinfo |grep -v name | head -1 | sed s/.*:\ //`
+ local stepping=`grep -E "stepping" /proc/cpuinfo | head -1 | sed s/.*:\ //`
-# check_module <dracut module> [<use_as_dep>]
-# check if a dracut module is to be used in the initramfs process
-# if <use_as_dep> is set, then the process also keeps track
-# that the modules were checked for the dependency tracking process
-check_module() {
- local _mod=$1
- local _moddir=$(echo ${dracutbasedir}/modules.d/??${1})
- local _ret
- 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 $force_add_dracutmodules" " $_mod "; then
- if strstr " $force_add_dracutmodules" " $_mod"; then
- module_check $_mod 1; ret=$?
- else
- module_check $_mod 0; ret=$?
- fi
- # 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 $_mod || return 1
+ if [[ "$(get_cpu_vendor)" == "AMD" ]]; then
+ if [[ $family -ge 21 ]]; then
+ printf "microcode_amd_fam%xh.bin" $family
else
- # skip this module
- return 1
- fi
- fi
-
- for _moddep in $(module_depends $_mod); do
- # handle deps as if they were manually added
- strstr " $add_dracutmodules " " $_moddep " || \
- add_dracutmodules+=" $_moddep "
- strstr " $force_add_dracutmodules " " $_moddep " || \
- force_add_dracutmodules+=" $_moddep "
- # if a module we depend on fail, fail also
- check_module $_moddep || return 1
- done
-
- strstr " $mods_to_load " " $_mod " || \
- mods_to_load+=" $_mod "
-
- return 0
-}
-
-# for_each_module_dir <func>
-# execute "<func> <dracut module> 1"
-for_each_module_dir() {
- local _modcheck
- local _mod
- local _moddir
- local _func
- _func=$1
- for _moddir in "$dracutbasedir/modules.d"/[0-9][0-9]*; do
- _mod=${_moddir##*/}; _mod=${_mod#[0-9][0-9]}
- $_func $_mod 1
- done
-
- # Report any missing dracut modules, the user has specified
- _modcheck="$add_dracutmodules $force_add_dracutmodules"
- [[ $dracutmodules != all ]] && _modcheck="$m $dracutmodules"
- for _mod in $_modcheck; do
- strstr "$mods_to_load" "$_mod" && continue
- strstr "$omit_dracutmodules" "$_mod" && continue
- derror "Dracut module \"$_mod\" cannot be found."
- done
-}
-
-# Install a single kernel module along with any firmware it may require.
-# $1 = full path to kernel module to install
-install_kmod_with_fw() {
- # no need to go further if the module is already installed
-
- [[ -e "${initdir}/lib/modules/$kernel/${1##*/lib/modules/$kernel/}" ]] \
- && return 0
-
- [[ -e "$initdir/.kernelmodseen/${1##*/}" ]] && return 0
-
- if [[ $omit_drivers ]]; then
- local _kmod=${1##*/}
- _kmod=${_kmod%.ko}
- _kmod=${_kmod/-/_}
- if [[ "$_kmod" =~ $omit_drivers ]]; then
- dinfo "Omitting driver $_kmod"
- return 0
- fi
- if [[ "${1##*/lib/modules/$kernel/}" =~ $omit_drivers ]]; then
- dinfo "Omitting driver $_kmod"
- return 0
+ printf "microcode_amd.bin"
fi
fi
-
- [ -d "$initdir/.kernelmodseen" ] && \
- > "$initdir/.kernelmodseen/${1##*/}"
-
- inst_simple "$1" "/lib/modules/$kernel/${1##*/lib/modules/$kernel/}" \
- || return $?
-
- local _modname=${1##*/} _fwdir _found _fw
- _modname=${_modname%.ko*}
- for _fw in $(modinfo -k $kernel -F firmware $1 2>/dev/null); do
- _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
- if ! [[ -d $(echo /sys/module/${_modname//-/_}|{ read a b; echo $a; }) ]]; then
- dinfo "Possible missing firmware \"${_fw}\" for kernel module" \
- "\"${_modname}.ko\""
- else
- dwarn "Possible missing firmware \"${_fw}\" for kernel module" \
- "\"${_modname}.ko\""
- fi
- fi
- done
- return 0
-}
-
-# Do something with all the dependencies of a kernel module.
-# Note that kernel modules depend on themselves using the technique we use
-# $1 = function to call for each dependency we find
-# It will be passed the full path to the found kernel module
-# $2 = module to get dependencies for
-# rest of args = arguments to modprobe
-# _fderr specifies FD passed from surrounding scope
-for_each_kmod_dep() {
- local _func=$1 _kmod=$2 _cmd _modpath _options
- shift 2
- modprobe "$@" --ignore-install --show-depends $_kmod 2>&${_fderr} | (
- while read _cmd _modpath _options; do
- [[ $_cmd = insmod ]] || continue
- $_func ${_modpath} || exit $?
- done
- )
-}
-
-
-find_kernel_modules_by_path () (
- if ! [[ $hostonly ]]; then
- while read a rest; do
- if [[ "${a##kernel}" != "$a" ]]; then
- [[ "${a##kernel/$1}" != "$a" ]] || continue
- fi
- echo $srcmods/${a%:}
- done < $srcmods/modules.dep
- else
- ( cd /sys/module; echo *; ) \
- | xargs modinfo -F filename -k $kernel 2>/dev/null
+ if [[ "$(get_cpu_vendor)" == "Intel" ]]; then
+ # The /proc/cpuinfo are in decimal.
+ printf "%02x-%02x-%02x" ${family} ${model} ${stepping}
fi
-)
-
-find_kernel_modules () {
- find_kernel_modules_by_path drivers
}
-# instmods [-c] <kernel module> [<kernel module> ... ]
-# instmods [-c] <kernel subsystem>
-# install kernel modules along with all their dependencies.
-# <kernel subsystem> can be e.g. "=block" or "=drivers/usb/storage"
-instmods() {
- [[ $no_kernel = yes ]] && return
- # called [sub]functions inherit _fderr
- local _fderr=9
- local _check=no
- if [[ $1 = '-c' ]]; then
- _check=yes
- shift
- fi
-
- function inst1mod() {
- local _ret=0 _mod="$1"
- case $_mod in
- =*)
- if [ -f $srcmods/modules.${_mod#=} ]; then
- ( [[ "$_mpargs" ]] && echo $_mpargs
- cat "${srcmods}/modules.${_mod#=}" ) \
- | instmods
- ((_ret+=$?))
- else
- ( [[ "$_mpargs" ]] && echo $_mpargs
- find "$srcmods" -type f -path "*/${_mod#=}/*" -printf '%f\n' ) \
- | instmods
- ((_ret+=$?))
- fi
- ;;
- --*) _mpargs+=" $_mod" ;;
- i2o_scsi) return 0;; # Do not load this diagnostic-only module
- *)
- _mod=${_mod##*/}
- # if we are already installed, skip this module and go on
- # to the next one.
- [[ -f "$initdir/.kernelmodseen/${_mod%.ko}.ko" ]] && return
-
- if [[ $omit_drivers ]] && [[ "$1" =~ $omit_drivers ]]; then
- dinfo "Omitting driver ${_mod##$srcmods}"
- return 0
- fi
- # If we are building a host-specific initramfs and this
- # module is not already loaded, move on to the next one.
- [[ $hostonly ]] \
- && ! [[ -d $(echo /sys/module/${_mod//-/_}|{ read a b; echo $a; }) ]] \
- && ! [[ "$add_drivers" =~ " ${_mod} " ]] \
- && return 0
-
- # We use '-d' option in modprobe only if modules prefix path
- # differs from default '/'. This allows us to use Dracut with
- # old version of modprobe which doesn't have '-d' option.
- local _moddirname=${srcmods%%/lib/modules/*}
- [[ -n ${_moddirname} ]] && _moddirname="-d ${_moddirname}/"
-
- # 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} $_mpargs
- ((_ret+=$?))
- ;;
- esac
- return $_ret
- }
-
- function instmods_1() {
- local _mod _mpargs
- if (($# == 0)); then # filenames from stdin
- while read _mod; do
- inst1mod "${_mod%.ko*}" || {
- if [ "$_check" = "yes" ]; then
- dfatal "Failed to install $_mod"
- return 1
- fi
- }
- done
- fi
- while (($# > 0)); do # filenames as arguments
- inst1mod ${1%.ko*} || {
- if [ "$_check" = "yes" ]; then
- dfatal "Failed to install $1"
- return 1
- fi
- }
- shift
+# Get currently loaded modules
+# sorted, and delimited by newline
+get_loaded_kernel_modules ()
+{
+ local modules=( )
+ while read _module _size _used _used_by; do
+ modules+=( "$_module" )
+ done <<< "$(lsmod | sed -n '1!p')"
+ printf '%s\n' "${modules[@]}" | sort
+}
+
+# Not every device in /dev/mapper should be examined.
+# If it is an LVM device, touch only devices which have /dev/VG/LV symlink.
+lvm_internal_dev() {
+ local dev_dm_dir=/sys/dev/block/$1/dm
+ [[ ! -f $dev_dm_dir/uuid || $(<$dev_dm_dir/uuid) != LVM-* ]] && return 1 # Not an LVM device
+ local DM_VG_NAME DM_LV_NAME DM_LV_LAYER
+ eval $(dmsetup splitname --nameprefixes --noheadings --rows "$(<$dev_dm_dir/name)" 2>/dev/null)
+ [[ ${DM_VG_NAME} ]] && [[ ${DM_LV_NAME} ]] || return 0 # Better skip this!
+ [[ ${DM_LV_LAYER} ]] || [[ ! -L /dev/${DM_VG_NAME}/${DM_LV_NAME} ]]
+}
+
+btrfs_devs() {
+ local _mp="$1"
+ btrfs device usage "$_mp" \
+ | while read _dev _rest; do
+ str_starts "$_dev" "/" || continue
+ _dev=${_dev%,}
+ printf -- "%s\n" "$_dev"
done
- return 0
- }
-
- local _ret _filter_not_found='FATAL: Module .* not found.'
- # Capture all stderr from modprobe to _fderr. We could use {var}>...
- # redirections, but that would make dracut require bash4 at least.
- eval "( instmods_1 \"\$@\" ) ${_fderr}>&1" \
- | while read line; do [[ "$line" =~ $_filter_not_found ]] || echo $line;done | derror
- _ret=$?
- return $_ret
}
projects / thirdparty / dracut.git / blobdiff