Signed-off-by: Keith Busch <[email protected]>
---
common/rc | 17 +++++++++++++++++
tests/block/016 | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 69 insertions(+)
create mode 100755 tests/block/016
diff --git a/common/rc b/common/rc
index 1bd0374..979c8c2 100644
--- a/common/rc
+++ b/common/rc
@@ -171,6 +171,23 @@ _get_pci_dev_from_blkdev() {
tail -1
}
+_get_pci_parent_from_blkdev() {
+ readlink -f "$TEST_DEV_SYSFS/device" | \
+ grep -Eo '[0-9a-f]{4,5}:[0-9a-f]{2}:[0-9a-f]{2}\.[0-9a-f]' | \
+ tail -2 | head -1
+}
+
+_test_hotplug_slot() {
+ parent="$(_get_pci_parent_from_blkdev)"
+
+ slt_cap=$(setpci -s ${parent} CAP_EXP+14.w)
+ if [ $((0x${slt_cap} & 0x20)) -eq 0 ]; then
+ SKIP_REASON="$TEST_DEV is not in a hot pluggable slot"
+ return 1
+ fi
+ return 0
+}
+
# Older versions of xfs_io use pwrite64 and such, so the error messages won't
# match current versions of xfs_io. See c52086226bc6 ("filter: xfs_io output
# has dropped "64" from error messages") in xfstests.
diff --git a/tests/block/016 b/tests/block/016
new file mode 100755
index 0000000..4c2e294
--- /dev/null
+++ b/tests/block/016
@@ -0,0 +1,52 @@
+#!/bin/bash
+#
+# Do disable PCI device while doing I/O to it
+#
+# Copyright (C) 2018 Keith Busch <[email protected]>
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+DESCRIPTION="break PCI link while doing I/O"
+TIMED=1
+
+requires() {
+ _have_fio
+}
+
+device_requires() {
+ _test_dev_is_pci
+ _test_hotplug_slot
+}
+
+test_device() {
+ echo "Running ${TEST_NAME}"
+
+ parent="$(_get_pci_parent_from_blkdev)"
+
+ if _test_dev_is_rotational; then
+ size="32m"
+ else
+ size="1g"
+ fi
+
+ # start fio job
+ _run_fio_rand_io --filename="$TEST_DEV" --size="$size" \
+ --ignore_error=EIO,ENXIO,ENODEV &
+
+ setpci -s ${parent} CAP_EXP+10.w=10:10
+ sleep 10
+ setpci -s ${parent} CAP_EXP+10.w=00:10
+
+ echo "Test complete"
+}
--
2.14.3
