3 # functions used by dracut and other tools.
5 # Copyright 2005-2009 Red Hat, Inc. All rights reserved.
7 # This program is free software; you can redistribute it and/or modify
8 # it under the terms of the GNU General Public License as published by
9 # the Free Software Foundation; either version 2 of the License, or
10 # (at your option) any later version.
12 # This program is distributed in the hope that it will be useful,
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 # GNU General Public License for more details.
17 # You should have received a copy of the GNU General Public License
18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
22 if [[ $DRACUT_KERNEL_LAZY ]] && ! [[ $DRACUT_KERNEL_LAZY_HASHDIR ]]; then
23 if ! [[ -d "$initdir/.kernelmodseen" ]]; then
24 mkdir
-p "$initdir/.kernelmodseen"
26 DRACUT_KERNEL_LAZY_HASHDIR
="$initdir/.kernelmodseen"
29 if [[ $initdir ]] && ! [[ -d $initdir ]]; then
33 # Generic substring function. If $2 is in $1, return 0.
34 strstr
() { [[ $1 = *"$2"* ]]; }
35 # Generic glob matching function. If glob pattern $2 matches anywhere in $1, OK
36 strglobin
() { [[ $1 = *$2* ]]; }
37 # Generic glob matching function. If glob pattern $2 matches all of $1, OK
38 strglob
() { [[ $1 = $2 ]]; }
40 # helper function for check() in module-setup.sh
41 # to check for required installed binaries
42 # issues a standardized warning message
44 local _module_name
="${moddir##*/}"
47 if [[ "$1" = "-m" ]]; then
53 if ! find_binary
"$cmd" &>/dev
/null
; then
54 dinfo
"dracut module '${_module_name#[0-9][0-9]}' will not be installed, because command '$cmd' could not be found!"
61 require_any_binary
() {
62 local _module_name
="${moddir##*/}"
65 if [[ "$1" = "-m" ]]; then
71 if find_binary
"$cmd" &>/dev
/null
; then
77 if (( $_ret != 0 )); then
78 dinfo
"$_module_name: Could not find any command of '$@'!"
85 # find a binary. If we were not passed the full path directly,
86 # search in the usual places to find the binary.
88 if [[ -z ${1##/*} ]]; then
89 if [[ -x $1 ]] ||
{ [[ "$1" == *.so
* ]] && ldd
"$1" &>/dev
/null
; }; then
98 if ! [[ $dracutbasedir ]]; then
99 dracutbasedir
=${BASH_SOURCE[0]%/*}
100 [[ $dracutbasedir = "dracut-functions" ]] && dracutbasedir
="."
101 [[ $dracutbasedir ]] || dracutbasedir
="."
102 dracutbasedir
="$(readlink -f $dracutbasedir)"
110 ldconfig
-pN 2>/dev
/null |
grep -F '=>' |
grep -E -v '/(lib|lib64|usr/lib|usr/lib64)/[^/]*$' |
while read a b c d
; do
117 printf "%s\n" ${!a[@]}
121 if ! [[ $libdirs ]] ; then
122 if [[ "$(ldd /bin/sh)" == */lib64
/* ]] &>/dev
/null \
123 && [[ -d /lib64
]]; then
125 [[ -d /usr
/lib64
]] && libdirs
+=" /usr/lib64"
128 [[ -d /usr
/lib
]] && libdirs
+=" /usr/lib"
131 libdirs
+=" $(ldconfig_paths)"
136 if ! [[ $kernel ]]; then
141 # Version comparision function. Assumes Linux style version scheme.
143 # $2 = comparision op (gt, ge, eq, le, lt, ne)
146 local _n1
=(${1//./ }) _op
=$2 _n2
=(${3//./ }) _i _res
150 if [[ ! ${_n1[_i]}${_n2[_i]} ]]; then _res
=0
151 elif ((${_n1[_i]:-0} > ${_n2[_i]:-0})); then _res
=1
152 elif ((${_n1[_i]:-0} < ${_n2[_i]:-0})); then _res
=2
168 srcmods
="/lib/modules/$kernel/"
170 [[ $drivers_dir ]] && {
171 if ! command -v kmod
&>/dev
/null
&& vercmp
"$(modprobe --version | cut -d' ' -f3)" lt
3.7; then
172 dfatal
'To use --kmoddir option module-init-tools >= 3.7 is required.'
175 srcmods
="$drivers_dir"
179 if ! type dinfo
>/dev
/null
2>&1; then
180 .
"$dracutbasedir/dracut-logger.sh"
184 if ! [[ $initdir ]]; then
185 dfatal
"initdir not set"
189 # export standard hookdirs
191 hookdirs
="cmdline pre-udev pre-trigger netroot "
192 hookdirs
+="initqueue initqueue/settled initqueue/online initqueue/finished initqueue/timeout "
193 hookdirs
+="pre-mount pre-pivot cleanup mount "
194 hookdirs
+="emergency shutdown-emergency pre-shutdown shutdown "
198 dracut_need_initqueue
() {
199 >"$initdir/lib/dracut/need-initqueue"
202 dracut_module_included
() {
203 [[ " $mods_to_load $modules_loaded " == *\ $
*\
* ]]
206 # Create all subdirectories for given path without creating the last element.
209 [[ -e ${1%/*} ]] || mkdir
-m 0755 -p -- "${1%/*}"
213 # Check whether $1 is a function.
215 [[ "$(type -t "$1")" = "function" ]]
218 # Function prints global variables in format name=value line by line.
219 # $@ = list of global variables' name
225 eval printf -v _value
"%s" \""\$$_var"\"
226 [[ ${_value} ]] && printf '%s="%s"\n' "$_var" "$_value"
230 # normalize_path <path>
231 # Prints the normalized path, where it removes any duplicated
232 # and trailing slashes.
234 # $ normalize_path ///test/test//
238 set -- "${1//+(\/)//}"
240 printf "%s\n" "${1%/}"
243 # convert_abs_rel <from> <to>
244 # Prints the relative path, when creating a symlink to <to> from <from>.
246 # $ convert_abs_rel /usr/bin/test /bin/test-2
248 # $ ln -s $(convert_abs_rel /usr/bin/test /bin/test-2) /usr/bin/test
250 local __current __absolute __abssize __cursize __newpath
253 set -- "$(normalize_path "$1")" "$(normalize_path "$2")"
255 # corner case #1 - self looping link
256 [[ "$1" == "$2" ]] && { printf "%s\n" "${1##*/}"; return; }
258 # corner case #2 - own dir link
259 [[ "${1%/*}" == "$2" ]] && { printf ".\n"; return; }
261 IFS
="/" __current
=($1)
262 IFS
="/" __absolute
=($2)
264 __abssize
=${#__absolute[@]}
265 __cursize
=${#__current[@]}
267 while [[ "${__absolute[__level]}" == "${__current[__level]}" ]]
270 if (( __level
> __abssize || __level
> __cursize
))
276 for ((__i
= __level
; __i
< __cursize-1
; __i
++))
280 __newpath
=$__newpath"/"
282 __newpath
=$__newpath".."
285 for ((__i
= __level
; __i
< __abssize
; __i
++))
287 if [[ -n $__newpath ]]
289 __newpath
=$__newpath"/"
291 __newpath
=$__newpath${__absolute[__i]}
294 printf "%s\n" "$__newpath"
297 if [[ "$(ln --help)" == *--relative* ]]; then
299 ln -sfnr "${initdir}/$1" "${initdir}/$2"
305 [[ -d "${_dest%/*}" ]] && _dest=$(readlink -f "${_dest%/*}")/${_dest##*/}
306 ln -sfn -- "$
(convert_abs_rel
"${_dest}" "${_source}")" "${initdir}/${_dest}"
310 # get_fs_env <device>
311 # Get and the ID_FS_TYPE variable from udev for a device.
313 # $ get_fs_env /dev/sda2
321 ID_FS_TYPE
=$
(blkid
-u filesystem
-o export -- "$1" \
322 |
while read line
; do
323 if [[ "$line" == TYPE\
=* ]]; then
324 printf "%s" "${line#TYPE=}";
328 if [[ $ID_FS_TYPE ]]; then
329 printf "%s" "$ID_FS_TYPE"
335 # get_maj_min <device>
336 # Prints the major and minor of a device node.
338 # $ get_maj_min /dev/sda2
341 local _maj _min _majmin
342 _majmin
="$(stat -L -c '%t:%T' "$1" 2>/dev/null)"
343 printf "%s" "$((0x${_majmin%:*})):$((0x${_majmin#*:}))"
347 # get_devpath_block <device>
348 # get the DEVPATH in /sys of a block device
349 get_devpath_block
() {
351 _majmin
=$
(get_maj_min
"$1")
353 for _i
in /sys
/block
/*/dev
/sys
/block
/*/*/dev
; do
354 [[ -e "$_i" ]] ||
continue
355 if [[ "$_majmin" == "$(<"$_i")" ]]; then
356 printf "%s" "${_i%/dev}"
363 # get a persistent path from a device
364 get_persistent_dev
() {
367 _dev
=$
(get_maj_min
"$1")
368 [ -z "$_dev" ] && return
372 /dev
/disk
/${persistent_policy:-by-uuid}/* \
373 /dev
/disk
/by-uuid
/* \
374 /dev
/disk
/by-label
/* \
375 /dev
/disk
/by-partuuid
/* \
376 /dev
/disk
/by-partlabel
/* \
378 /dev
/disk
/by-path
/* \
380 [[ -e "$i" ]] ||
continue
381 [[ $i == /dev
/mapper
/control
]] && continue
382 [[ $i == /dev
/mapper
/mpath
* ]] && continue
383 _tmp
=$
(get_maj_min
"$i")
384 if [ "$_tmp" = "$_dev" ]; then
392 expand_persistent_dev
() {
397 _dev
="/dev/disk/by-label/${_dev#LABEL=}"
402 _dev
="/dev/disk/by-uuid/${_dev}"
405 _dev
="${_dev#PARTUUID=}"
407 _dev
="/dev/disk/by-partuuid/${_dev}"
410 _dev
="/dev/disk/by-partlabel/${_dev#PARTLABEL=}"
416 shorten_persistent_dev
() {
420 printf "%s" "UUID=${_dev##*/}";;
421 /dev
/disk
/by-label
/*)
422 printf "%s" "LABEL=${_dev##*/}";;
423 /dev
/disk
/by-partuuid
/*)
424 printf "%s" "PARTUUID=${_dev##*/}";;
425 /dev
/disk
/by-partlabel
/*)
426 printf "%s" "PARTLABEL=${_dev##*/}";;
428 printf "%s" "$_dev";;
432 # find_block_device <mountpoint>
433 # Prints the major and minor number of the block device
434 # for a given mountpoint.
435 # Unless $use_fstab is set to "yes" the functions
436 # uses /proc/self/mountinfo as the primary source of the
437 # information and only falls back to /etc/fstab, if the mountpoint
438 # is not found there.
440 # $ find_block_device /usr
442 find_block_device
() {
443 local _majmin _dev _majmin _find_mpt
445 if [[ $use_fstab != yes ]]; then
446 [[ -d $_find_mpt/.
]]
447 findmnt
-e -v -n -o 'MAJ:MIN,SOURCE' --target "$_find_mpt" |
{ \
448 while read _majmin _dev
; do
449 if [[ -b $_dev ]]; then
450 if ! [[ $_majmin ]] ||
[[ $_majmin == 0:* ]]; then
451 _majmin
=$
(get_maj_min
$_dev)
453 if [[ $_majmin ]]; then
454 printf "%s\n" "$_majmin"
456 printf "%s\n" "$_dev"
460 if [[ $_dev = *:* ]]; then
461 printf "%s\n" "$_dev"
464 done; return 1; } && return 0
466 # fall back to /etc/fstab
468 findmnt
-e --fstab -v -n -o 'MAJ:MIN,SOURCE' --target "$_find_mpt" |
{ \
469 while read _majmin _dev
; do
470 if ! [[ $_dev ]]; then
474 if [[ -b $_dev ]]; then
475 [[ $_majmin ]] || _majmin
=$
(get_maj_min
$_dev)
476 if [[ $_majmin ]]; then
477 printf "%s\n" "$_majmin"
479 printf "%s\n" "$_dev"
483 if [[ $_dev = *:* ]]; then
484 printf "%s\n" "$_dev"
487 done; return 1; } && return 0
492 # find_mp_fstype <mountpoint>
493 # Echo the filesystem type for a given mountpoint.
494 # /proc/self/mountinfo is taken as the primary source of information
495 # and /etc/fstab is used as a fallback.
496 # No newline is appended!
498 # $ find_mp_fstype /;echo
503 if [[ $use_fstab != yes ]]; then
504 findmnt
-e -v -n -o 'FSTYPE' --target "$1" |
{ \
506 [[ $_fs ]] ||
continue
507 [[ $_fs = "autofs" ]] && continue
510 done; return 1; } && return 0
513 findmnt
--fstab -e -v -n -o 'FSTYPE' --target "$1" |
{ \
515 [[ $_fs ]] ||
continue
516 [[ $_fs = "autofs" ]] && continue
519 done; return 1; } && return 0
524 # find_dev_fstype <device>
525 # Echo the filesystem type for a given device.
526 # /proc/self/mountinfo is taken as the primary source of information
527 # and /etc/fstab is used as a fallback.
528 # No newline is appended!
530 # $ find_dev_fstype /dev/sda2;echo
535 if ! [[ "$_find_dev" = /dev
* ]]; then
536 [[ -b "/dev/block/$_find_dev" ]] && _find_dev
="/dev/block/$_find_dev"
539 if [[ $use_fstab != yes ]]; then
540 findmnt
-e -v -n -o 'FSTYPE' --source "$_find_dev" |
{ \
542 [[ $_fs ]] ||
continue
543 [[ $_fs = "autofs" ]] && continue
546 done; return 1; } && return 0
549 findmnt
--fstab -e -v -n -o 'FSTYPE' --source "$_find_dev" |
{ \
551 [[ $_fs ]] ||
continue
552 [[ $_fs = "autofs" ]] && continue
555 done; return 1; } && return 0
560 # find_mp_fsopts <mountpoint>
561 # Echo the filesystem options for a given mountpoint.
562 # /proc/self/mountinfo is taken as the primary source of information
563 # and /etc/fstab is used as a fallback.
564 # No newline is appended!
566 # $ find_mp_fsopts /;echo
567 # rw,relatime,discard,data=ordered
569 if [[ $use_fstab != yes ]]; then
570 findmnt
-e -v -n -o 'OPTIONS' --target "$1" 2>/dev
/null
&& return 0
573 findmnt
--fstab -e -v -n -o 'OPTIONS' --target "$1"
576 # find_dev_fsopts <device>
577 # Echo the filesystem options for a given device.
578 # /proc/self/mountinfo is taken as the primary source of information
579 # and /etc/fstab is used as a fallback.
581 # $ find_dev_fsopts /dev/sda2
582 # rw,relatime,discard,data=ordered
584 local _find_dev _opts
586 if ! [[ "$_find_dev" = /dev
* ]]; then
587 [[ -b "/dev/block/$_find_dev" ]] && _find_dev
="/dev/block/$_find_dev"
590 if [[ $use_fstab != yes ]]; then
591 findmnt
-e -v -n -o 'OPTIONS' --source "$_find_dev" 2>/dev
/null
&& return 0
594 findmnt
--fstab -e -v -n -o 'OPTIONS' --source "$_find_dev"
598 # finds the major:minor of the block device backing the root filesystem.
599 find_root_block_device
() { find_block_device
/; }
601 # for_each_host_dev_fs <func>
602 # Execute "<func> <dev> <filesystem>" for every "<dev> <fs>" pair found
603 # in ${host_fs_types[@]}
604 for_each_host_dev_fs
()
610 [[ "${!host_fs_types[@]}" ]] ||
return 0
612 for _dev
in "${!host_fs_types[@]}"; do
613 $_func "$_dev" "${host_fs_types[$_dev]}" && _ret
=0
620 printf "%s\n" "${host_fs_types[@]}"
623 # Walk all the slave relationships for a given block device.
624 # Stop when our helper function returns success
625 # $1 = function to call on every found block device
626 # $2 = block device in major:minor format
627 check_block_and_slaves
() {
629 [[ -b /dev
/block
/$2 ]] ||
return 1 # Not a block device? So sorry.
630 if ! lvm_internal_dev
$2; then "$1" $2 && return; fi
631 check_vol_slaves
"$@" && return 0
632 if [[ -f /sys
/dev
/block
/$2/..
/dev
]]; then
633 check_block_and_slaves
$1 $
(<"/sys/dev/block/$2/../dev") && return 0
635 [[ -d /sys
/dev
/block
/$2/slaves
]] ||
return 1
636 for _x
in /sys
/dev
/block
/$2/slaves
/*/dev
; do
637 [[ -f $_x ]] ||
continue
638 check_block_and_slaves
$1 $
(<"$_x") && return 0
643 check_block_and_slaves_all
() {
645 [[ -b /dev
/block
/$2 ]] ||
return 1 # Not a block device? So sorry.
646 if ! lvm_internal_dev
$2 && "$1" $2; then
649 check_vol_slaves
"$@" && return 0
650 if [[ -f /sys
/dev
/block
/$2/..
/dev
]]; then
651 check_block_and_slaves_all
$1 $
(<"/sys/dev/block/$2/../dev") && _ret
=0
653 [[ -d /sys
/dev
/block
/$2/slaves
]] ||
return 1
654 for _x
in /sys
/dev
/block
/$2/slaves
/*/dev
; do
655 [[ -f $_x ]] ||
continue
656 check_block_and_slaves_all
$1 $
(<"$_x") && _ret
=0
660 # for_each_host_dev_and_slaves <func>
661 # Execute "<func> <dev>" for every "<dev>" found
662 # in ${host_devs[@]} and their slaves
663 for_each_host_dev_and_slaves_all
()
669 [[ "${host_devs[@]}" ]] ||
return 0
671 for _dev
in ${host_devs[@]}; do
672 [[ -b "$_dev" ]] ||
continue
673 if check_block_and_slaves_all
$_func $
(get_maj_min
$_dev); then
680 for_each_host_dev_and_slaves
()
685 [[ "${host_devs[@]}" ]] ||
return 0
687 for _dev
in ${host_devs[@]}; do
688 [[ -b "$_dev" ]] ||
continue
689 check_block_and_slaves
$_func $
(get_maj_min
$_dev) && return 0
694 # ugly workaround for the lvm design
695 # There is no volume group device,
696 # so, there are no slave devices for volume groups.
697 # Logical volumes only have the slave devices they really live on,
698 # but you cannot create the logical volume without the volume group.
699 # And the volume group might be bigger than the devices the LV needs.
702 for i
in /dev
/mapper
/*; do
703 [[ $i == /dev
/mapper
/control
]] && continue
704 _lv
=$
(get_maj_min
$i)
705 if [[ $_lv = $2 ]]; then
706 _vg
=$
(lvm lvs
--noheadings -o vg_name
$i 2>/dev
/null
)
708 _vg
=$
(printf "%s\n" "$_vg")
710 for _pv
in $
(lvm vgs
--noheadings -o pv_name
"$_vg" 2>/dev
/null
)
712 check_block_and_slaves
$1 $
(get_maj_min
$_pv) && return 0
720 # fs_get_option <filesystem options> <search for option>
721 # search for a specific option in a bunch of filesystem options
722 # and return the value
730 while [ $# -gt 0 ]; do
733 echo ${1#${_option}=}
740 if ! [[ $DRACUT_INSTALL ]]; then
741 DRACUT_INSTALL
=$
(find_binary dracut-install
)
744 if ! [[ $DRACUT_INSTALL ]] && [[ -x $dracutbasedir/dracut-install
]]; then
745 DRACUT_INSTALL
=$dracutbasedir/dracut-install
748 if ! [[ -x $DRACUT_INSTALL ]]; then
749 dfatal
"dracut-install not found!"
753 [[ $DRACUT_RESOLVE_LAZY ]] ||
export DRACUT_RESOLVE_DEPS
=1
755 [[ -e ${initdir}/"$1" ]] && return 0 # already there
756 $DRACUT_INSTALL ${initdir:+-D "$initdir"} -d "$@"
757 (($?
!= 0)) && derror
$DRACUT_INSTALL ${initdir:+-D "$initdir"} -d "$@" ||
:
761 local _hostonly_install
762 if [[ "$1" == "-H" ]]; then
763 _hostonly_install
="-H"
766 [[ -e ${initdir}/"${2:-$1}" ]] && return 0 # already there
767 $DRACUT_INSTALL ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l} ${DRACUT_FIPS_MODE:+-f} ${_hostonly_install:+-H} "$@"
768 (($?
!= 0)) && derror
$DRACUT_INSTALL ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l} ${DRACUT_FIPS_MODE:+-f} ${_hostonly_install:+-H} "$@" ||
:
772 local _hostonly_install
773 if [[ "$1" == "-H" ]]; then
774 _hostonly_install
="-H"
777 [[ -e ${initdir}/"${2:-$1}" ]] && return 0 # already there
778 [[ -e $1 ]] ||
return 1 # no source
779 $DRACUT_INSTALL ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${_hostonly_install:+-H} "$@"
780 (($?
!= 0)) && derror
$DRACUT_INSTALL ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${_hostonly_install:+-H} "$@" ||
:
784 local _hostonly_install
785 if [[ "$1" == "-H" ]]; then
786 _hostonly_install
="-H"
789 [[ -e ${initdir}/"${2:-$1}" ]] && return 0 # already there
790 [[ -L $1 ]] ||
return 1
791 $DRACUT_INSTALL ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l} ${DRACUT_FIPS_MODE:+-f} ${_hostonly_install:+-H} "$@"
792 (($?
!= 0)) && derror
$DRACUT_INSTALL ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l} ${DRACUT_FIPS_MODE:+-f} ${_hostonly_install:+-H} "$@" ||
:
797 $DRACUT_INSTALL ${initdir:+-D "$initdir"} -a ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l} ${DRACUT_FIPS_MODE:+-f} "$@"
799 (($_ret != 0)) && derror
$DRACUT_INSTALL ${initdir:+-D "$initdir"} -a ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l} ${DRACUT_FIPS_MODE:+-f} ${_hostonly_install:+-H} "$@" ||
:
808 local _hostonly_install
809 if [[ "$1" == "-H" ]]; then
810 _hostonly_install
="-H"
813 [[ -e ${initdir}/"${2:-$1}" ]] && return 0 # already there
814 [[ -e $1 ]] ||
return 1 # no source
815 $DRACUT_INSTALL ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l} ${DRACUT_FIPS_MODE:+-f} ${_hostonly_install:+-H} "$@"
816 (($?
!= 0)) && derror
$DRACUT_INSTALL ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l} ${DRACUT_FIPS_MODE:+-f} ${_hostonly_install:+-H} "$@" ||
:
820 $DRACUT_INSTALL ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l} ${DRACUT_FIPS_MODE:+-f} "$@"
821 (($?
!= 0)) && derror
$DRACUT_INSTALL ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l} ${DRACUT_FIPS_MODE:+-f} "$@" ||
:
825 $DRACUT_INSTALL ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l} ${DRACUT_FIPS_MODE:+-f} "$@"
826 (($?
!= 0)) && derror
$DRACUT_INSTALL ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l} ${DRACUT_FIPS_MODE:+-f} "$@" ||
:
831 echo "$i" >> "$initdir/lib/dracut/hostonly-files"
835 # find symlinks linked to given library file
837 # Function searches for symlinks by stripping version numbers appended to
838 # library filename, checks if it points to the same target and finally
839 # prints the list of symlinks to stdout.
842 # rev_lib_symlinks libfoo.so.8.1
843 # output: libfoo.so.8 libfoo.so
844 # (Only if libfoo.so.8 and libfoo.so exists on host system.)
846 [[ ! $1 ]] && return 0
848 local fn
="$1" orig
="$(readlink -f "$1")" links
=''
850 [[ ${fn} == *.so.
* ]] ||
return 1
852 until [[ ${fn##*.} == so
]]; do
854 [[ -L ${fn} && $(readlink -f "${fn}") == ${orig} ]] && links+=" ${fn}"
860 # attempt to install any programs specified in a udev rule
861 inst_rule_programs() {
864 if grep -qE 'PROGRAM==?"[^
"]+' "$1"; then
865 for _prog in $(grep -E 'PROGRAM==?"[^
"]+' "$1" | sed -r 's/.*PROGRAM==?"([^
"]+).*/\1/'); do
867 if [ -x ${udevdir}/$_prog ]; then
868 _bin=${udevdir}/$_prog
869 elif [[ "${_prog/\$env\{/}" == "$_prog" ]]; then
870 _bin=$(find_binary "$_prog") || {
871 dinfo "Skipping program
$_prog using
in udev rule
${1##*/} as it cannot be found
"
876 [[ $_bin ]] && inst_binary "$_bin"
879 if grep -qE 'RUN[+=]=?"[^
"]+' "$1"; then
880 for _prog in $(grep -E 'RUN[+=]=?"[^
"]+' "$1" | sed -r 's/.*RUN[+=]=?"([^
"]+).*/\1/'); do
882 if [ -x ${udevdir}/$_prog ]; then
883 _bin=${udevdir}/$_prog
884 elif [[ "${_prog/\$env\{/}" == "$_prog" ]] && [[ "${_prog}" != "/sbin
/initqueue
" ]]; then
885 _bin=$(find_binary "$_prog") || {
886 dinfo "Skipping program
$_prog using
in udev rule
${1##*/} as it cannot be found
"
891 [[ $_bin ]] && inst_binary "$_bin"
894 if grep -qE 'IMPORT\{program\}==?"[^
"]+' "$1"; then
895 for _prog in $(grep -E 'IMPORT\{program\}==?"[^
"]+' "$1" | sed -r 's/.*IMPORT\{program\}==?"([^
"]+).*/\1/'); do
897 if [ -x ${udevdir}/$_prog ]; then
898 _bin=${udevdir}/$_prog
899 elif [[ "${_prog/\$env\{/}" == "$_prog" ]]; then
900 _bin=$(find_binary "$_prog") || {
901 dinfo "Skipping program
$_prog using
in udev rule
${1##*/} as it cannot be found
"
906 [[ $_bin ]] && dracut_install "$_bin"
911 # attempt to install any programs specified in a udev rule
912 inst_rule_group_owner() {
915 if grep -qE 'OWNER=?"[^
"]+' "$1"; then
916 for i in $(grep -E 'OWNER=?"[^
"]+' "$1" | sed -r 's/.*OWNER=?"([^
"]+).*/\1/'); do
917 if ! egrep -q "^
$i:" "$initdir/etc
/passwd
" 2>/dev/null; then
918 egrep "^
$i:" /etc/passwd 2>/dev/null >> "$initdir/etc
/passwd
"
922 if grep -qE 'GROUP=?"[^
"]+' "$1"; then
923 for i in $(grep -E 'GROUP=?"[^
"]+' "$1" | sed -r 's/.*GROUP=?"([^
"]+).*/\1/'); do
924 if ! egrep -q "^
$i:" "$initdir/etc
/group
" 2>/dev/null; then
925 egrep "^
$i:" /etc/group 2>/dev/null >> "$initdir/etc
/group
"
931 inst_rule_initqueue() {
932 if grep -q -F initqueue "$1"; then
933 dracut_need_initqueue
937 # udev rules always get installed in the same place, so
938 # create a function to install them to make life simpler.
940 local _target=/etc/udev/rules.d _rule _found
942 inst_dir "${udevdir}/rules.d
"
944 for _rule in "$@
"; do
945 if [ "${_rule#/}" = "$_rule" ]; then
946 for r in ${udevdir}/rules.d ${hostonly:+/etc/udev/rules.d}; do
947 if [[ -e $r/$_rule ]]; then
949 inst_rule_programs "$_found"
950 inst_rule_group_owner "$_found"
951 inst_rule_initqueue "$_found"
952 inst_simple "$_found"
956 for r in '' $dracutbasedir/rules.d/; do
957 # skip rules without an absolute path
958 [[ "${r}$_rule" != /* ]] && continue
960 if [[ -f ${r}$_rule ]]; then
962 inst_rule_programs "$_found"
963 inst_rule_group_owner "$_found"
964 inst_rule_initqueue "$_found"
965 inst_simple "$_found" "$_target/${_found##*/}"
968 [[ $_found ]] || dinfo "Skipping udev rule
: $_rule"
972 inst_rules_wildcard() {
973 local _target=/etc/udev/rules.d _rule _found
975 inst_dir "${udevdir}/rules.d
"
977 for _rule in ${udevdir}/rules.d/$1 ${dracutbasedir}/rules.d/$1 ; do
978 if [[ -e $_rule ]]; then
979 inst_rule_programs "$_rule"
980 inst_rule_group_owner "$_rule"
981 inst_rule_initqueue "$_rule"
986 if [ -n ${hostonly} ] ; then
987 for _rule in ${_target}/$1 ; do
988 if [[ -f $_rule ]]; then
989 inst_rule_programs "$_rule"
990 inst_rule_group_owner "$_rule"
991 inst_rule_initqueue "$_rule"
997 [[ $_found ]] || dinfo "Skipping udev rule
: $_rule"
1000 prepare_udev_rules() {
1001 [ -z "$UDEVVERSION" ] && export UDEVVERSION=$(udevadm --version)
1004 f="${initdir}/etc
/udev
/rules.d
/$f"
1005 [ -e "$f" ] || continue
1007 if [ "${line%%IMPORT PATH_ID}" != "$line" ]; then
1008 if [ $UDEVVERSION -ge 174 ]; then
1009 printf '%sIMPORT{builtin}="path_id
"\n' "${line%%IMPORT PATH_ID}"
1011 printf '%sIMPORT{program}="path_id
%%p
"\n' "${line%%IMPORT PATH_ID}"
1013 elif [ "${line%%IMPORT BLKID}" != "$line" ]; then
1014 if [ $UDEVVERSION -ge 176 ]; then
1015 printf '%sIMPORT{builtin}="blkid
"\n' "${line%%IMPORT BLKID}"
1017 printf '%sIMPORT{program}="/sbin
/blkid
-o udev
-p $tempnode"\n' "${line%%IMPORT BLKID}"
1022 done < "${f}" > "${f}.new
"
1027 # install function specialized for hooks
1028 # $1 = type of hook, $2 = hook priority (lower runs first), $3 = hook
1029 # All hooks should be POSIX/SuS compliant, they will be sourced by init.
1031 if ! [[ -f $3 ]]; then
1032 dfatal "Cannot
install a hook
($3) that does not exist.
"
1033 dfatal "Aborting initrd creation.
"
1035 elif ! [[ "$hookdirs" == *$1* ]]; then
1036 dfatal "No such hook
type $1. Aborting initrd creation.
"
1039 inst_simple "$3" "/lib
/dracut
/hooks
/${1}/${2}-${3##*/}"
1042 # install any of listed files
1044 # If first argument is '-d' and second some destination path, first accessible
1045 # source is installed into this path, otherwise it will installed in the same
1046 # path as source. If none of listed files was installed, function return 1.
1047 # On first successful installation it returns with 0 status.
1051 # inst_any -d /bin/foo /bin/bar /bin/baz
1053 # Lets assume that /bin/baz exists, so it will be installed as /bin/foo in
1058 [[ $1 = '-d' ]] && to="$2" && shift 2
1061 if [[ -e $f ]]; then
1062 [[ $to ]] && inst "$f" "$to" && return 0
1063 inst "$f" && return 0
1071 # inst_libdir_file [-n <pattern>] <file> [<file>...]
1072 # Install a <file> located on a lib directory to the initramfs image
1073 # -n <pattern> install matching files
1074 inst_libdir_file() {
1076 if [[ "$1" == "-n" ]]; then
1079 for _dir in $libdirs; do
1081 for _f in "$_dir"/$_i; do
1082 [[ "$_f" =~ $_pattern ]] || continue
1083 [[ -e "$_f" ]] && _files+="$_f "
1088 for _dir in $libdirs; do
1090 for _f in "$_dir"/$_i; do
1091 [[ -e "$_f" ]] && _files+="$_f "
1096 [[ $_files ]] && inst_multiple $_files
1100 # install function decompressing the target and handling symlinks
1101 # $@ = list of compressed (gz or bz2) files or symlinks pointing to such files
1103 # Function install targets in the same paths inside overlay but decompressed
1104 # and without extensions (.gz, .bz2).
1111 *.gz) _cmd='gzip -f -d' ;;
1112 *.bz2) _cmd='bzip2 -d' ;;
1116 # Decompress with chosen tool. We assume that tool changes name e.g.
1117 # from 'name.gz' to 'name'.
1118 ${_cmd} "${initdir}${_src}"
1122 # It's similar to above, but if file is not compressed, performs standard
1124 # $@ = list of files
1125 inst_opt_decompress
() {
1130 inst_decompress
"${_src}" || inst
"${_src}"
1134 # module_check <dracut module>
1135 # execute the check() function of module-setup.sh of <dracut module>
1136 # or the "check" script, if module-setup.sh is not found
1137 # "check $hostonly" is called
1139 local _moddir
=$
(echo ${dracutbasedir}/modules.d
/??
${1})
1142 local _hostonly
=$hostonly
1143 [ $# -eq 2 ] && _forced
=$2
1144 [[ -d $_moddir ]] ||
return 1
1145 if [[ ! -f $_moddir/module-setup.sh
]]; then
1146 # if we do not have a check script, we are unconditionally included
1147 [[ -x $_moddir/check
]] ||
return 0
1148 [ $_forced -ne 0 ] && unset hostonly
1149 $_moddir/check
$hostonly
1152 unset check depends cmdline
install installkernel
1154 .
$_moddir/module-setup.sh
1155 is_func check ||
return 0
1156 [ $_forced -ne 0 ] && unset hostonly
1157 moddir
=$_moddir check
$hostonly
1159 unset check depends cmdline
install installkernel
1165 # module_check_mount <dracut module>
1166 # execute the check() function of module-setup.sh of <dracut module>
1167 # or the "check" script, if module-setup.sh is not found
1168 # "mount_needs=1 check 0" is called
1169 module_check_mount
() {
1170 local _moddir
=$
(echo ${dracutbasedir}/modules.d
/??
${1})
1173 [[ -d $_moddir ]] ||
return 1
1174 if [[ ! -f $_moddir/module-setup.sh
]]; then
1175 # if we do not have a check script, we are unconditionally included
1176 [[ -x $_moddir/check
]] ||
return 0
1177 mount_needs
=1 $_moddir/check
0
1180 unset check depends cmdline
install installkernel
1182 .
$_moddir/module-setup.sh
1183 moddir
=$_moddir check
0
1185 unset check depends cmdline
install installkernel
1191 # module_depends <dracut module>
1192 # execute the depends() function of module-setup.sh of <dracut module>
1193 # or the "depends" script, if module-setup.sh is not found
1195 local _moddir
=$
(echo ${dracutbasedir}/modules.d
/??
${1})
1197 [[ -d $_moddir ]] ||
return 1
1198 if [[ ! -f $_moddir/module-setup.sh
]]; then
1199 # if we do not have a check script, we have no deps
1200 [[ -x $_moddir/check
]] ||
return 0
1204 unset check depends cmdline
install installkernel
1206 .
$_moddir/module-setup.sh
1207 moddir
=$_moddir depends
1209 unset check depends cmdline
install installkernel
1214 # module_cmdline <dracut module>
1215 # execute the cmdline() function of module-setup.sh of <dracut module>
1216 # or the "cmdline" script, if module-setup.sh is not found
1218 local _moddir
=$
(echo ${dracutbasedir}/modules.d
/??
${1})
1220 [[ -d $_moddir ]] ||
return 1
1221 if [[ ! -f $_moddir/module-setup.sh
]]; then
1222 [[ -x $_moddir/cmdline
]] && .
"$_moddir/cmdline"
1225 unset check depends cmdline
install installkernel
1227 .
$_moddir/module-setup.sh
1228 moddir
=$_moddir cmdline
1230 unset check depends cmdline
install installkernel
1235 # module_install <dracut module>
1236 # execute the install() function of module-setup.sh of <dracut module>
1237 # or the "install" script, if module-setup.sh is not found
1239 local _moddir
=$
(echo ${dracutbasedir}/modules.d
/??
${1})
1241 [[ -d $_moddir ]] ||
return 1
1242 if [[ ! -f $_moddir/module-setup.sh
]]; then
1243 [[ -x $_moddir/install ]] && .
"$_moddir/install"
1246 unset check depends cmdline
install installkernel
1248 .
$_moddir/module-setup.sh
1249 moddir
=$_moddir install
1251 unset check depends cmdline
install installkernel
1256 # module_installkernel <dracut module>
1257 # execute the installkernel() function of module-setup.sh of <dracut module>
1258 # or the "installkernel" script, if module-setup.sh is not found
1259 module_installkernel
() {
1260 local _moddir
=$
(echo ${dracutbasedir}/modules.d
/??
${1})
1262 [[ -d $_moddir ]] ||
return 1
1263 if [[ ! -f $_moddir/module-setup.sh
]]; then
1264 [[ -x $_moddir/installkernel
]] && .
"$_moddir/installkernel"
1267 unset check depends cmdline
install installkernel
1268 installkernel
() { true
; }
1269 .
$_moddir/module-setup.sh
1270 moddir
=$_moddir installkernel
1272 unset check depends cmdline
install installkernel
1277 # check_mount <dracut module>
1278 # check_mount checks, if a dracut module is needed for the given
1279 # device and filesystem types in "${host_fs_types[@]}"
1282 local _moddir
=$
(echo ${dracutbasedir}/modules.d
/??
${1})
1286 [ "${#host_fs_types[*]}" -le 0 ] && return 1
1288 # If we are already scheduled to be loaded, no need to check again.
1289 [[ " $mods_to_load " == *\
$_mod\
* ]] && return 0
1290 [[ " $mods_checked_as_dep " == *\
$_mod\
* ]] && return 1
1292 # This should never happen, but...
1293 [[ -d $_moddir ]] ||
return 1
1295 [[ $2 ]] || mods_checked_as_dep
+=" $_mod "
1297 if [[ " $omit_dracutmodules " == *\
$_mod\
* ]]; then
1301 if [[ " $dracutmodules $add_dracutmodules $force_add_dracutmodules" == *\
$_mod\
* ]]; then
1302 module_check_mount
$_mod; ret
=$?
1304 # explicit module, so also accept ret=255
1305 [[ $ret = 0 ||
$ret = 255 ]] ||
return 1
1307 # module not in our list
1308 if [[ $dracutmodules = all
]]; then
1309 # check, if we can and should install this module
1310 module_check_mount
$_mod ||
return 1
1318 for _moddep
in $
(module_depends
$_mod); do
1319 # handle deps as if they were manually added
1320 [[ " $add_dracutmodules " == *\
$_moddep\
* ]] || \
1321 add_dracutmodules
+=" $_moddep "
1322 [[ " $force_add_dracutmodules " == *\
$_moddep\
* ]] || \
1323 force_add_dracutmodules
+=" $_moddep "
1324 # if a module we depend on fail, fail also
1325 if ! check_module
$_moddep; then
1326 derror
"dracut module '$_mod' depends on '$_moddep', which can't be installed"
1331 [[ " $mods_to_load " == *\
$_mod\
* ]] || \
1332 mods_to_load
+=" $_mod "
1337 # check_module <dracut module> [<use_as_dep>]
1338 # check if a dracut module is to be used in the initramfs process
1339 # if <use_as_dep> is set, then the process also keeps track
1340 # that the modules were checked for the dependency tracking process
1343 local _moddir
=$
(echo ${dracutbasedir}/modules.d
/??
${1})
1346 # If we are already scheduled to be loaded, no need to check again.
1347 [[ " $mods_to_load " == *\
$_mod\
* ]] && return 0
1348 [[ " $mods_checked_as_dep " == *\
$_mod\
* ]] && return 1
1350 # This should never happen, but...
1351 [[ -d $_moddir ]] ||
return 1
1353 [[ $2 ]] || mods_checked_as_dep
+=" $_mod "
1355 if [[ " $omit_dracutmodules " == *\
$_mod\
* ]]; then
1356 dinfo
"dracut module '$_mod' will not be installed, because it's in the list to be omitted!"
1360 if [[ " $dracutmodules $add_dracutmodules $force_add_dracutmodules" == *\
$_mod\
* ]]; then
1361 if [[ " $force_add_dracutmodules " == *\
$_mod\
* ]]; then
1362 module_check
$_mod 1; ret
=$?
1364 module_check
$_mod 0; ret
=$?
1366 # explicit module, so also accept ret=255
1367 [[ $ret = 0 ||
$ret = 255 ]] ||
return 1
1369 # module not in our list
1370 if [[ $dracutmodules = all
]]; then
1371 # check, if we can and should install this module
1372 module_check
$_mod ||
return 1
1379 for _moddep
in $
(module_depends
$_mod); do
1380 # handle deps as if they were manually added
1381 [[ " $add_dracutmodules " == *\
$_moddep\
* ]] || \
1382 add_dracutmodules
+=" $_moddep "
1383 [[ " $force_add_dracutmodules " == *\
$_moddep\
* ]] || \
1384 force_add_dracutmodules
+=" $_moddep "
1385 # if a module we depend on fail, fail also
1386 if ! check_module
$_moddep; then
1387 derror
"dracut module '$_mod' depends on '$_moddep', which can't be installed"
1392 [[ " $mods_to_load " == *\
$_mod\
* ]] || \
1393 mods_to_load
+=" $_mod "
1398 # for_each_module_dir <func>
1399 # execute "<func> <dracut module> 1"
1400 for_each_module_dir
() {
1406 for _moddir
in "$dracutbasedir/modules.d"/[0-9][0-9]*; do
1407 [[ -d $_moddir ]] ||
continue;
1408 [[ -e $_moddir/install ||
-e $_moddir/installkernel || \
1409 -e $_moddir/module-setup.sh
]] ||
continue
1410 _mod
=${_moddir##*/}; _mod
=${_mod#[0-9][0-9]}
1414 # Report any missing dracut modules, the user has specified
1415 _modcheck
="$add_dracutmodules $force_add_dracutmodules"
1416 [[ $dracutmodules != all
]] && _modcheck
="$m $dracutmodules"
1417 for _mod
in $_modcheck; do
1418 [[ " $mods_to_load " == *\
$_mod\
* ]] && continue
1419 [[ " $omit_dracutmodules " == *\
$_mod\
* ]] && continue
1420 derror
"dracut module '$_mod' cannot be found or installed."
1424 # Install a single kernel module along with any firmware it may require.
1425 # $1 = full path to kernel module to install
1426 install_kmod_with_fw
() {
1427 # no need to go further if the module is already installed
1429 [[ -e "${initdir}/lib/modules/$kernel/${1##*/lib/modules/$kernel/}" ]] \
1432 if [[ $DRACUT_KERNEL_LAZY_HASHDIR ]] && [[ -e "$DRACUT_KERNEL_LAZY_HASHDIR/${1##*/}" ]]; then
1433 read ret
< "$DRACUT_KERNEL_LAZY_HASHDIR/${1##*/}"
1437 if [[ $omit_drivers ]]; then
1438 local _kmod
=${1##*/}
1441 if [[ "$_kmod" =~
$omit_drivers ]]; then
1442 dinfo
"Omitting driver $_kmod"
1445 if [[ "${1##*/lib/modules/$kernel/}" =~
$omit_drivers ]]; then
1446 dinfo
"Omitting driver $_kmod"
1451 if [[ $silent_omit_drivers ]]; then
1452 local _kmod
=${1##*/}
1455 [[ "$_kmod" =~
$silent_omit_drivers ]] && return 0
1456 [[ "${1##*/lib/modules/$kernel/}" =~
$silent_omit_drivers ]] && return 0
1459 inst_simple
"$1" "/lib/modules/$kernel/${1##*/lib/modules/$kernel/}"
1461 [[ $DRACUT_KERNEL_LAZY_HASHDIR ]] && \
1462 [[ -d "$DRACUT_KERNEL_LAZY_HASHDIR" ]] && \
1463 echo $ret > "$DRACUT_KERNEL_LAZY_HASHDIR/${1##*/}"
1464 (($ret != 0)) && return $ret
1466 local _modname
=${1##*/} _fwdir _found _fw
1467 _modname
=${_modname%.ko*}
1468 for _fw
in $
(modinfo
-k $kernel -F firmware
$1 2>/dev
/null
); do
1470 for _fwdir
in $fw_dir; do
1471 if [[ -d $_fwdir && -f $_fwdir/$_fw ]]; then
1472 inst_simple
"$_fwdir/$_fw" "/lib/firmware/$_fw"
1476 if [[ $_found != yes ]]; then
1477 if ! [[ -d $
(echo /sys
/module
/${_modname//-/_}|
{ read a b
; echo $a; }) ]]; then
1478 dinfo
"Possible missing firmware \"${_fw}\" for kernel module" \
1479 "\"${_modname}.ko\""
1481 dwarn
"Possible missing firmware \"${_fw}\" for kernel module" \
1482 "\"${_modname}.ko\""
1489 # Do something with all the dependencies of a kernel module.
1490 # Note that kernel modules depend on themselves using the technique we use
1491 # $1 = function to call for each dependency we find
1492 # It will be passed the full path to the found kernel module
1493 # $2 = module to get dependencies for
1494 # rest of args = arguments to modprobe
1495 # _fderr specifies FD passed from surrounding scope
1496 for_each_kmod_dep
() {
1497 local _func
=$1 _kmod
=$2 _cmd _modpath _options
1499 modprobe
"$@" --ignore-install --show-depends $_kmod 2>&${_fderr} |
(
1500 while read _cmd _modpath _options
; do
1501 [[ $_cmd = insmod
]] ||
continue
1502 $_func ${_modpath} ||
exit $?
1507 dracut_kernel_post
() {
1508 local _moddirname
=${srcmods%%/lib/modules/*}
1511 if [[ $DRACUT_KERNEL_LAZY_HASHDIR ]] && [[ -f "$DRACUT_KERNEL_LAZY_HASHDIR/lazylist" ]]; then
1512 xargs -r modprobe
-a ${_moddirname:+-d ${_moddirname}/} \
1513 --ignore-install --show-depends --set-version $kernel \
1514 < "$DRACUT_KERNEL_LAZY_HASHDIR/lazylist" 2>/dev
/null \
1516 |
while read _cmd _modpath _options
; do
1517 [[ $_cmd = insmod
]] ||
continue
1519 done > "$DRACUT_KERNEL_LAZY_HASHDIR/lazylist.dep"
1522 if [[ $DRACUT_INSTALL ]] && [[ -z $_moddirname ]]; then
1523 xargs -r $DRACUT_INSTALL ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} -a < "$DRACUT_KERNEL_LAZY_HASHDIR/lazylist.dep"
1525 while read _modpath
; do
1526 local _destpath
=$_modpath
1527 [[ $_moddirname ]] && _destpath
=${_destpath##$_moddirname/}
1528 _destpath
=${_destpath##*/lib/modules/$kernel/}
1529 inst_simple
"$_modpath" "/lib/modules/$kernel/${_destpath}" ||
exit $?
1530 done < "$DRACUT_KERNEL_LAZY_HASHDIR/lazylist.dep"
1533 _pid
=$
(jobs -p |
while read a
; do printf ":$a";done)
1536 if [[ $DRACUT_INSTALL ]]; then
1537 xargs -r modinfo
-k $kernel -F firmware
< "$DRACUT_KERNEL_LAZY_HASHDIR/lazylist.dep" \
1538 |
while read line
; do
1539 for _fwdir
in $fw_dir; do
1542 done |
xargs -r $DRACUT_INSTALL ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} -a -o
1544 for _fw
in $
(xargs -r modinfo
-k $kernel -F firmware
< "$DRACUT_KERNEL_LAZY_HASHDIR/lazylist.dep"); do
1545 for _fwdir
in $fw_dir; do
1546 if [[ -d $_fwdir && -f $_fwdir/$_fw ]]; then
1547 inst_simple
"$_fwdir/$_fw" "/lib/firmware/$_fw"
1557 for _f
in modules.
builtin.bin modules.
builtin modules.order
; do
1558 [[ $srcmods/$_f ]] && inst_simple
"$srcmods/$_f" "/lib/modules/$kernel/$_f"
1561 # generate module dependencies for the initrd
1562 if [[ -d $initdir/lib
/modules
/$kernel ]] && \
1563 ! depmod
-a -b "$initdir" $kernel; then
1564 dfatal
"\"depmod -a $kernel\" failed."
1568 [[ $DRACUT_KERNEL_LAZY_HASHDIR ]] && rm -fr -- "$DRACUT_KERNEL_LAZY_HASHDIR"
1571 [[ "$kernel_current" ]] ||
export kernel_current
=$
(uname
-r)
1573 module_is_host_only
() {
1575 local _modenc a i _k _s _v _aliases
1578 _modenc
=${_mod//-/_}
1580 [[ " $add_drivers " == *\
${_mod}\
* ]] && return 0
1582 # check if module is loaded
1583 [[ ${host_modules["$_modenc"]} ]] && return 0
1585 [[ "$kernel_current" ]] ||
export kernel_current
=$
(uname
-r)
1587 if [[ "$kernel_current" != "$kernel" ]]; then
1588 # check if module is loadable on the current kernel
1589 # this covers the case, where a new module is introduced
1590 # or a module was renamed
1591 # or a module changed from builtin to a module
1593 if [[ -d /lib
/modules
/$kernel_current ]]; then
1594 # if the modinfo can be parsed, but the module
1595 # is not loaded, then we can safely return 1
1596 modinfo
-F filename
"$_mod" &>/dev
/null
&& return 1
1599 _aliases
=$
(modinfo
-k $kernel -F alias $_mod 2>/dev
/null
)
1601 # if the module has no aliases, install it
1602 [[ $_aliases ]] ||
return 0
1604 # finally check all modalias
1605 for a
in $_aliases; do
1606 for i
in "${!host_modalias[@]}"; do
1607 [[ $i == $a ]] && return 0
1616 find_kernel_modules_by_path
() {
1619 [[ -f "$srcmods/modules.dep" ]] ||
return 0
1623 while read a rest
; do
1624 [[ $a = */$1/* ]] ||
[[ $a = updates
/* ]] ||
continue
1625 printf "%s\n" "$srcmods/$a"
1626 done < "$srcmods/modules.dep"
1631 find_kernel_modules
() {
1632 find_kernel_modules_by_path drivers
1635 # instmods [-c [-s]] <kernel module> [<kernel module> ... ]
1636 # instmods [-c [-s]] <kernel subsystem>
1637 # install kernel modules along with all their dependencies.
1638 # <kernel subsystem> can be e.g. "=block" or "=drivers/usb/storage"
1640 [[ $no_kernel = yes ]] && return
1641 # called [sub]functions inherit _fderr
1645 if [[ $1 = '-c' ]]; then
1650 if [[ $1 = '-s' ]]; then
1655 function inst1mod
() {
1656 local _ret
=0 _mod
="$1"
1659 ( [[ "$_mpargs" ]] && echo $_mpargs
1660 find_kernel_modules_by_path
"${_mod#=}" ) \
1664 --*) _mpargs
+=" $_mod" ;;
1667 # if we are already installed, skip this module and go on
1669 if [[ $DRACUT_KERNEL_LAZY_HASHDIR ]] && \
1670 [[ -f "$DRACUT_KERNEL_LAZY_HASHDIR/${_mod%.ko}.ko" ]]; then
1671 read _ret
<"$DRACUT_KERNEL_LAZY_HASHDIR/${_mod%.ko}.ko"
1676 if [[ $omit_drivers ]] && [[ "$_mod" =~
$omit_drivers ]]; then
1677 dinfo
"Omitting driver ${_mod##$srcmods}"
1681 # If we are building a host-specific initramfs and this
1682 # module is not already loaded, move on to the next one.
1684 && ! module_is_host_only
"$_mod" \
1687 if [[ "$_check" = "yes" ]] ||
! [[ $DRACUT_KERNEL_LAZY_HASHDIR ]]; then
1688 # We use '-d' option in modprobe only if modules prefix path
1689 # differs from default '/'. This allows us to use dracut with
1690 # old version of modprobe which doesn't have '-d' option.
1691 local _moddirname
=${srcmods%%/lib/modules/*}
1692 [[ -n ${_moddirname} ]] && _moddirname
="-d ${_moddirname}/"
1694 # ok, load the module, all its dependencies, and any firmware
1696 for_each_kmod_dep install_kmod_with_fw
$_mod \
1697 --set-version $kernel ${_moddirname} $_mpargs
1700 [[ $DRACUT_KERNEL_LAZY_HASHDIR ]] && \
1701 echo $_mod >> "$DRACUT_KERNEL_LAZY_HASHDIR/lazylist"
1708 function instmods_1
() {
1710 if (($# == 0)); then # filenames from stdin
1712 inst1mod
"${_mod%.ko*}" ||
{
1713 if [[ "$_check" == "yes" ]]; then
1714 [[ "$_silent" == "no" ]] && dfatal
"Failed to install module $_mod"
1720 while (($# > 0)); do # filenames as arguments
1721 inst1mod
${1%.ko*} ||
{
1722 if [[ "$_check" == "yes" ]]; then
1723 [[ "$_silent" == "no" ]] && dfatal
"Failed to install module $1"
1732 local _ret _filter_not_found
='FATAL: Module .* not found.'
1733 # Capture all stderr from modprobe to _fderr. We could use {var}>...
1734 # redirections, but that would make dracut require bash4 at least.
1735 eval "( instmods_1 \"\$@\" ) ${_fderr}>&1" \
1736 |
while read line
; do [[ "$line" =~
$_filter_not_found ]] ||
echo $line;done | derror
1741 check_kernel_config
()
1743 local _config_opt
="$1"
1745 [[ -f /boot
/config-
$kernel ]] \
1746 && _config_file
="/boot/config-$kernel"
1747 [[ -f /lib
/modules
/$kernel/config
]] \
1748 && _config_file
="/lib/modules/$kernel/config"
1750 # no kernel config file, so return true
1751 [[ $_config_file ]] ||
return 0
1753 grep -q -F "${_config_opt}=" "$_config_file" && return 0
1759 # Only two values are returned: AMD or Intel
1762 if grep -qE AMD
/proc
/cpuinfo
; then
1765 if grep -qE Intel
/proc
/cpuinfo
; then
1771 # Get the hosts' ucode file based on the /proc/cpuinfo
1774 local family
=`grep -E "cpu family" /proc/cpuinfo | head -1 | sed s/.*:\ //`
1775 local model
=`grep -E "model" /proc/cpuinfo |grep -v name | head -1 | sed s/.*:\ //`
1776 local stepping
=`grep -E "stepping" /proc/cpuinfo | head -1 | sed s/.*:\ //`
1778 if [[ "$(get_cpu_vendor)" == "AMD" ]]; then
1779 # If family greater or equal than 0x15
1780 if [[ $family -ge 21 ]]; then
1781 printf "microcode_amd_fam15h.bin"
1783 printf "microcode_amd.bin"
1786 if [[ "$(get_cpu_vendor)" == "Intel" ]]; then
1787 # The /proc/cpuinfo are in decimal.
1788 printf "%02x-%02x-%02x" ${family} ${model} ${stepping}
1792 # Not every device in /dev/mapper should be examined.
1793 # If it is an LVM device, touch only devices which have /dev/VG/LV symlink.
1794 lvm_internal_dev
() {
1795 local dev_dm_dir
=/sys
/dev
/block
/$1/dm
1796 [[ ! -f $dev_dm_dir/uuid || $
(<$dev_dm_dir/uuid
) != LVM-
* ]] && return 1 # Not an LVM device
1797 local DM_VG_NAME DM_LV_NAME DM_LV_LAYER
1798 eval $
(dmsetup splitname
--nameprefixes --noheadings --rows "$(<$dev_dm_dir/name)" 2>/dev
/null
)
1799 [[ ${DM_VG_NAME} ]] && [[ ${DM_LV_NAME} ]] ||
return 0 # Better skip this!
1800 [[ ${DM_LV_LAYER} ]] || [[ ! -L /dev/${DM_VG_NAME}/${DM_LV_NAME} ]]