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 $?
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