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#!/bin/sh
#
# hotplug-pcmcia.sh - Handle hotplug events for PCMCIA devices during detection
#
log () {
logger -t hotplug-pcmcia "$@"
}
TYPE="$1"
case $TYPE in
net)
if [ "$INTERFACE" = "" ]; then
log "Got net event without interface"
exit 1
fi
log "Detected PCMCIA network interface $INTERFACE"
echo $INTERFACE >>/etc/network/devhotplug
;;
# PCI hotplugging for Cardbus cards on 2.4 kernels only
pci)
if [ "$PCI_SLOT_NAME" = "" ]; then
log "Got pci event without slot name"
exit 1
fi
# Sanity check
if ! [ -f /tmp/pcmcia-discover-snapshot ]; then
log "Got PCI event but have no discover snapshot! 2.6 kernel?"
exit 1
fi
log "Detected Cardbus device at $PCI_SLOT_NAME"
# Take another snapshot of discover information and compare it
# with the old one to find out the module for the new device
log "Searching for module..."
modules_before=`cat /tmp/pcmcia-discover-snapshot`
DISCOVER_TEST=$(discover --version 2> /dev/null) || true
if expr "$DISCOVER_TEST" : 'discover 2.*' > /dev/null 2>&1; then
dpath=linux/module/name
dver=`uname -r|cut -d. -f1,2` # Kernel version (e.g. 2.4)
dflags="-d all -e pci scsi fixeddisk modem network removabledisk"
echo `discover --data-path=$dpath --data-version=$dver $dflags` \
| sed 's/ $//' >/tmp/pcmcia-discover-snapshot
else
discover --format="%m " --disable-all --enable=pci \
scsi ide ethernet \
| sed 's/ $//' >/tmp/pcmcia-discover-snapshot
fi
modules_after=`cat /tmp/pcmcia-discover-snapshot`
module=`echo "${modules_after#$modules_before}" | sed 's/^ //'`
if [ -n "$module" ]; then
log "Found module $module, loading"
if modprobe $module >/dev/null 2>&1; then
log "Module $module loaded successfully"
else
log "Failed loading $module (queuing)"
echo "$module" >>/etc/pcmcia/cb_mod_queue
fi
else
log "No module found for Cardbus device at $PCI_SLOT_NAME"
fi
;;
pcmcia_socket)
log "Got pcmcia_socket event"
;;
*)
log "Got unsupported event type \"$TYPE\""
;;
esac
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