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Ensure udev rules works if devices changed since creation #533

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merged 1 commit into from Sep 14, 2021
Merged

Ensure udev rules works if devices changed since creation #533

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16 changes: 7 additions & 9 deletions sdk/userspace/add_udev_rules.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -81,15 +81,13 @@ chmod 544 /opt/aws/bin/change-fpga-perm.sh
DBDFs=`lspci -Dn | grep -Ew "1d0f:1042|1d0f:1041" | awk '{print $1}' | sed ':x;N;$!bx;s/\n/ /g'`
minor=0

rm -f /tmp/9999-presistent-fpga.rules
for d in $DBDFs ; do
echo "KERNEL==\"*${d}*\", RUN+=\"/opt/aws/bin/change-fpga-perm.sh '${d}'\"" >> /tmp/9999-presistent-fpga.rules
done
for d in $DBDFs ; do
echo "KERNEL==\"*${d}*\", ACTION==\"add\", RUN+=\"/opt/aws/bin/change-fpga-perm.sh '${d}'\"" >> /tmp/9999-presistent-fpga.rules
done
echo "Adding udev rule: 9999-presistent-fpga.rules"
cp /tmp/9999-presistent-fpga.rules /etc/udev/rules.d/9999-presistent-fpga.rules
cat >/etc/udev/rules.d/9999-presistent-fpga.rules<<EF
ATTR{vendor}=="0x1d0f", ATTR{device}=="0x1041", RUN+="/opt/aws/bin/change-fpga-perm.sh %k"
ATTR{vendor}=="0x1d0f", ATTR{device}=="0x1041", ACTION=="add", RUN+="/opt/aws/bin/change-fpga-perm.sh %k"
ATTR{vendor}=="0x1d0f", ATTR{device}=="0x1042", RUN+="/opt/aws/bin/change-fpga-perm.sh %k"
ATTR{vendor}=="0x1d0f", ATTR{device}=="0x1042", ACTION=="add", RUN+="/opt/aws/bin/change-fpga-perm.sh %k"
EF
echo "Adding udev rule: 9999-presistent-fpga.rules"

## Test the rules for any issues
for d in $DBDFs ; do
Expand Down