PATH=/sbin:/bin:/usr/sbin:/usr/bin
export PATH
-setup_basic_dirs() {
- for d in usr/bin usr/sbin bin etc lib "$libdir" sbin tmp usr var var/log; do
- [[ -e "${initdir}${prefix}/$d" ]] && continue
- if [ -L "/$d" ]; then
- inst_symlink "/$d" "${prefix}/$d"
- else
- mkdir -m 0755 -p "${initdir}${prefix}/$d"
- fi
- done
+KERNEL_VER=${KERNEL_VER-$(uname -r)}
+KERNEL_MODS="/lib/modules/$KERNEL_VER/"
- for d in dev proc sys sysroot root run run/lock run/initramfs; do
+setup_basic_dirs() {
+ for d in usr/bin usr/sbin bin etc lib "$libdir" sbin tmp usr var var/log dev proc sys sysroot root run run/lock run/initramfs; do
if [ -L "/$d" ]; then
inst_symlink "/$d"
else
- mkdir -m 0755 -p "$initdir/$d"
+ inst_dir "/$d"
fi
done
# @param msg Message.
# @retval 0 It's always returned, even if logging failed.
ddebug() {
- set +x
+# set +x
dlog 5 "$@"
- [ -n "$debug" ] && set -x || :
+# [ -n "$debug" ] && set -x || :
}
## @brief Logs message at INFO level (4)
# @param msg Message.
# @retval 0 It's always returned, even if logging failed.
derror() {
- set +x
+# set +x
dlog 2 "$@"
- [ -n "$debug" ] && set -x || :
+# [ -n "$debug" ] && set -x || :
}
## @brief Logs message at FATAL level (1)
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/$KERNEL_VER/${1##*/lib/modules/$KERNEL_VER/}" ]] \
+ && return 0
+
+ [[ -e "$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 $_kmod"
+ return 1
+ fi
+ if [[ "${1##*/lib/modules/$KERNEL_VER/}" =~ $omit_drivers ]]; then
+ dinfo "Omitting driver $_kmod"
+ return 1
+ fi
+ fi
+
+ [ -d "$initdir/.kernelmodseen" ] && \
+ > "$initdir/.kernelmodseen/${1##*/}"
+
+ inst_simple "$1" "/lib/modules/$KERNEL_VER/${1##*/lib/modules/$KERNEL_VER/}" \
+ || return $?
+
+ local _modname=${1##*/} _fwdir _found _fw
+ _modname=${_modname%.ko*}
+ for _fw in $(modinfo -k $KERNEL_VER -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 [[ $_found != yes ]]; then
+ if ! grep -qe "\<${_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
+ 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=$2 _cmd _modpath _options _found=0
+ shift 2
+ modprobe "$@" --ignore-install --show-depends $_kmod 2>&${_fderr} | (
+ while read _cmd _modpath _options; do
+ [[ $_cmd = insmod ]] || continue
+ $_func ${_modpath} || exit $?
+ _found=1
+ done
+ [[ $_found -eq 0 ]] && exit 1
+ exit 0
+ )
+}
+
+# filter kernel modules to install certain modules that meet specific
+# requirements.
+# $1 = search only in subdirectory of /kernel/$1
+# $2 = 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
+# This function returns the full filenames of modules that match $1
+filter_kernel_modules_by_path () (
+ local _modname _filtercmd
+ if ! [[ $hostonly ]]; then
+ _filtercmd='find "$KERNEL_MODS/kernel/$1" "$KERNEL_MODS/extra"'
+ _filtercmd+=' "$KERNEL_MODS/weak-updates" -name "*.ko" -o -name "*.ko.gz"'
+ _filtercmd+=' -o -name "*.ko.xz"'
+ _filtercmd+=' 2>/dev/null'
+ else
+ _filtercmd='cut -d " " -f 1 </proc/modules|xargs modinfo -F filename '
+ _filtercmd+='-k $KERNEL_VER 2>/dev/null'
+ fi
+ for _modname in $(eval $_filtercmd); do
+ case $_modname in
+ *.ko) "$2" "$_modname" && echo "$_modname";;
+ *.ko.gz) gzip -dc "$_modname" > $initdir/$$.ko
+ $2 $initdir/$$.ko && echo "$_modname"
+ rm -f $initdir/$$.ko
+ ;;
+ *.ko.xz) xz -dc "$_modname" > $initdir/$$.ko
+ $2 $initdir/$$.ko && echo "$_modname"
+ rm -f $initdir/$$.ko
+ ;;
+ esac
+ done
+)
+find_kernel_modules_by_path () (
+ if ! [[ $hostonly ]]; then
+ find "$KERNEL_MODS/kernel/$1" "$KERNEL_MODS/extra" "$KERNEL_MODS/weak-updates" \
+ -name "*.ko" -o -name "*.ko.gz" -o -name "*.ko.xz" 2>/dev/null
+ else
+ cut -d " " -f 1 </proc/modules \
+ | xargs modinfo -F filename -k $KERNEL_VER 2>/dev/null
+ fi
+)
+
+filter_kernel_modules () {
+ filter_kernel_modules_by_path drivers "$1"
+}
+
+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 $KERNEL_MODS/modules.${_mod#=} ]; then
+ ( [[ "$_mpargs" ]] && echo $_mpargs
+ cat "${KERNEL_MODS}/modules.${_mod#=}" ) \
+ | instmods
+ else
+ ( [[ "$_mpargs" ]] && echo $_mpargs
+ find "$KERNEL_MODS" -path "*/${_mod#=}/*" -printf '%f\n' ) \
+ | instmods
+ fi
+ ;;
+ --*) _mpargs+=" $_mod" ;;
+ i2o_scsi) return ;; # Do not load this diagnostic-only module
+ *)
+ _mod=${_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 ${_mod##$KERNEL_MODS}"
+ return
+ fi
+ # If we are building a host-specific initramfs and this
+ # module is not already loaded, move on to the next one.
+ [[ $hostonly ]] && ! grep -qe "\<${_mod//-/_}\>" /proc/modules \
+ && ! echo $add_drivers | grep -qe "\<${_mod}\>" \
+ && return
+
+ # 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=${KERNEL_MODS%%/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_VER ${_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
+ done
+ return 0
+ }
+
+ local _ret _filter_not_found='FATAL: Module .* not found.'
+ set -o pipefail
+ # 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 || echo $line >&2 ;done | derror
+ _ret=$?
+ set +o pipefail
+ return $_ret
+}
# inst_libdir_file [-n <pattern>] <file> [<file>...]
# Install a <file> located on a lib directory to the initramfs image
~ianmdlvl / elogind.git / blobdiff