tools/testing/selftests/powerpc/eeh/eeh-basic.sh

   1 #!/bin/sh
   2 # SPDX-License-Identifier: GPL-2.0-only
   3
   4 . ./eeh-functions.sh
   5
   6 eeh_test_prep # NB: may exit
   7
   8 pre_lspci=`mktemp`
   9 lspci > $pre_lspci
  10
  11 # record the devices that we break in here. Assuming everything
  12 # goes to plan we should get them back once the recover process
  13 # is finished.
  14 devices=""
  15
  16 # Build up a list of candidate devices.
  17 for dev in `ls -1 /sys/bus/pci/devices/ | grep '\.0$'` ; do
  18         if ! eeh_can_break $dev ; then
  19                 continue;
  20         fi
  21
  22         # Skip VFs for now since we don't have a reliable way to break them.
  23         if [ -e "/sys/bus/pci/devices/$dev/physfn" ] ; then
  24                 echo "$dev, Skipped: virtfn"
  25                 continue;
  26         fi
  27
  28         echo "$dev, Added"
  29
  30         # Add to this list of device to check
  31         devices="$devices $dev"
  32 done
  33
  34 dev_count="$(echo $devices | wc -w)"
  35 echo "Found ${dev_count} breakable devices..."
  36
  37 failed=0
  38 for dev in $devices ; do
  39         echo "Breaking $dev..."
  40
  41         if ! pe_ok $dev ; then
  42                 echo "Skipping $dev, Initial PE state is not ok"
  43                 failed="$((failed + 1))"
  44                 continue;
  45         fi
  46
  47         if ! eeh_one_dev $dev ; then
  48                 failed="$((failed + 1))"
  49         fi
  50 done
  51
  52 echo "$failed devices failed to recover ($dev_count tested)"
  53 lspci | diff -u $pre_lspci -
  54 rm -f $pre_lspci
  55
  56 test "$failed" -eq 0
  57 exit $?