Trigger and test nvme-pci timeout with concurrent fio jobs.
Signed-off-by: Chaitanya Kulkarni <kch@xxxxxxxxxx>
---
V4:-
remove timeout attr save restore and remove. rescan device. (Shinichiro)
tests/nvme/050 | 55 ++++++++++++++++++++++++++++++++++++++++++++++
tests/nvme/050.out | 2 ++
2 files changed, 57 insertions(+)
create mode 100755 tests/nvme/050
create mode 100644 tests/nvme/050.out
diff --git a/tests/nvme/050 b/tests/nvme/050
new file mode 100755
index 0000000..c710832
--- /dev/null
+++ b/tests/nvme/050
@@ -0,0 +1,55 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-3.0+
+# Copyright (C) 2024 Chaitanya Kulkarni
+#
+# Test NVMe-PCI timeout with FIO jobs by triggering the nvme_timeout function.
+#
+
+. tests/nvme/rc
+
+DESCRIPTION="test nvme-pci timeout with fio jobs"
+CAN_BE_ZONED=1
+
+#restrict test to nvme-pci only
+nvme_trtype=pci
+
+requires() {
+ _have_fio
+ _nvme_requires
+ _have_kernel_option FAIL_IO_TIMEOUT
+ _have_kernel_option FAULT_INJECTION_DEBUG_FS
+}
+
+test_device() {
+ local nvme_ns
+ local pdev
+
+ echo "Running ${TEST_NAME}"
+
+ pdev=$(_get_pci_dev_from_blkdev)
+ nvme_ns="$(basename "${TEST_DEV}")"
+ echo 1 > /sys/block/"${nvme_ns}"/io-timeout-fail
+
+ echo 100 > /sys/kernel/debug/fail_io_timeout/probability
+ echo 1 > /sys/kernel/debug/fail_io_timeout/interval
+ echo -1 > /sys/kernel/debug/fail_io_timeout/times
+ echo 0 > /sys/kernel/debug/fail_io_timeout/space
+ echo 1 > /sys/kernel/debug/fail_io_timeout/verbose
+
+ fio --bs=4k --rw=randread --norandommap --numjobs="$(nproc)" \
+ --name=reads --direct=1 --filename="${TEST_DEV}" --group_reporting \
+ --time_based --runtime=1m >& "$FULL"
+
+ if grep -q "Input/output error" "$FULL"; then
+ echo "Test complete"
+ else
+ echo "Test failed"
+ fi
+
+ # Remove and rescan the NVME device to ensure that it has come back
+ echo 1 > "/sys/bus/pci/devices/${pdev}/remove"
+ echo 1 > /sys/bus/pci/rescan
+ if [[ ! -b ${TEST_DEV} ]]; then
+ echo "Failed to restore ${TEST_DEV}"
+ fi
+}
diff --git a/tests/nvme/050.out b/tests/nvme/050.out
new file mode 100644
index 0000000..b78b05f
--- /dev/null
+++ b/tests/nvme/050.out
@@ -0,0 +1,2 @@
+Running nvme/050
+Test complete
--
2.40.0
