4 # handle only firmware add requests
5 if [ "$SUBSYSTEM" != "firmware" ]; then
8 if [ "$ACTION" != "add" ]; then
12 FIRMWARE_DIRS="/lib/firmware/updates/$(uname -r) /lib/firmware/updates \
13 /lib/firmware/$(uname -r) /lib/firmware"
15 # @param string message
16 # @param int loglevel. defaults to "6" (info)
19 # KERN_EMERG "0" Emergency messages, system is about to crash or is unstable
20 # KERN_ALERT "1" Something bad happened and action must be taken immediately
21 # KERN_CRIT "2" A critical condition occurred like a serious hardware/software failure
22 # KERN_ERR "3" An error condition, often used by drivers to indicate difficulties with the hardware
23 # KERN_WARNING "4" A warning, meaning nothing serious by itself but might indicate problems
24 # KERN_NOTICE "5" Nothing serious, but notably nevertheless. Often used to report security events.
25 # KERN_INFO "6" Informational message e.g. startup information at driver initialization
26 # KERN_DEBUG "7" Debug messages
27 # KERN_CONT "c" "continued" line of log printout (only done after a line that had no enclosing \n)
29 local msg="$1" level=${2:-3}
30 echo "<$level>$msg" > /dev/kmsg
35 kmsg "${0##*/}[$$] $*"
38 if [ ! -e /sys$DEVPATH/loading ]; then
39 err "firmware loader misses sysfs directory"
43 for DIR in $FIRMWARE_DIRS; do
44 [ -e "$DIR/$FIRMWARE" ] || continue
45 echo 1 > /sys$DEVPATH/loading
46 cat "$DIR/$FIRMWARE" > /sys$DEVPATH/data
47 echo 0 > /sys$DEVPATH/loading
51 echo -1 > /sys$DEVPATH/loading
52 err "Cannot find firmware file '$FIRMWARE'"