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Wait for resource files #51

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Merged
ericonr merged 2 commits into from
Feb 10, 2026
Merged

Wait for resource files #51

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c78b549
service: move all udev actions into ioc-start.sh.
ericonr Feb 4, 2026
1b8c02d
service: fix startup issues affecting some CPUs.
ericonr Feb 4, 2026
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2 changes: 1 addition & 1 deletion service/95-afc.rules
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Original file line number Diff line number Diff line change
@@ -1 +1 @@
SUBSYSTEM=="pci", ATTR{vendor}=="0x10ee", ATTR{subsystem_device}=="0x0007", RUN+="/usr/bin/setpci -s %k COMMAND=0x2", RUN+="/bin/sh -c 'chmod 666 /sys/bus/pci/devices/%k/resource*'", RUN+="/opt/afc-epics-ioc/service/ioc-start.sh %k"
SUBSYSTEM=="pci", ATTR{vendor}=="0x10ee", ATTR{subsystem_device}=="0x0007", RUN+="/opt/afc-epics-ioc/service/ioc-start.sh %k"
26 changes: 26 additions & 0 deletions service/ioc-start.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,32 @@ set -eu

DEV=$1

setpci -s $DEV COMMAND=0x2

resource_files=""
for suffix in 0 2 2_wc 4; do
resource_files="$resource_files /sys/bus/pci/devices/$DEV/resource$suffix"
done
resource_files_exist() {
for f in $resource_files; do
if [ ! -f $f ]; then
return 1
fi
done

return 0
}

count=0
until resource_files_exist; do
if [ $count -eq 10 ]; then
exit 1
fi
count=$((count + 1))
sleep .1
done
chmod 666 $resource_files

devslot=
for slot in /sys/bus/pci/slots/* ; do
ADDR=$(cat ${slot}/address)
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