Newer kernel support to reset the target via the debugfs. Add a new test
case which exercises this interface.
Signed-off-by: Daniel Wagner <wagi@xxxxxxxxxx>
---
tests/nvme/060 | 88 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
tests/nvme/060.out | 2 ++
2 files changed, 90 insertions(+)
diff --git a/tests/nvme/060 b/tests/nvme/060
new file mode 100755
index 0000000000000000000000000000000000000000..16a3c0d20274428ae175693109c694f42004a619
--- /dev/null
+++ b/tests/nvme/060
@@ -0,0 +1,88 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-3.0+
+# Copyright (C) 2025 Daniel Wagner, SUSE Labs
+#
+# Test nvme fabrics controller reset/disconnect/reconnect operation during I/O
+# This test is somewhat similar to test 032 but for fabrics controllers.
+
+. tests/nvme/rc
+
+DESCRIPTION="test nvme fabrics target resetting during I/O"
+
+requires() {
+ _nvme_requires
+ _have_loop
+ _have_fio
+ _require_nvme_trtype_is_fabrics
+}
+
+set_conditions() {
+ _set_nvme_trtype "$@"
+}
+
+nvmet_debug_trigger_reset() {
+ local nvmet_subsystem="$1"
+ local dfs_path="${NVMET_DFS}/${nvmet_subsystem}"
+
+ find "${dfs_path}" -maxdepth 1 -type d -name 'ctrl*' -exec sh -c 'echo "fatal" > "$1/state"' _ {} \;
+}
+
+nvmf_wait_for_state() {
+ local def_state_timeout=5
+ local subsys_name="$1"
+ local state="$2"
+ local timeout="${3:-$def_state_timeout}"
+ local nvmedev
+ local state_file
+ local start_time
+ local end_time
+
+ nvmedev=$(_find_nvme_dev "${subsys_name}")
+ state_file="/sys/class/nvme-fabrics/ctl/${nvmedev}/state"
+
+ start_time=$(date +%s)
+ while ! grep -q "${state}" "${state_file}"; do
+ sleep 1
+ end_time=$(date +%s)
+ if (( end_time - start_time > timeout )); then
+ echo "expected state \"${state}\" not " \
+ "reached within ${timeout} seconds"
+ return 1
+ fi
+ done
+
+ return 0
+}
+
+nvmet_reset_loop() {
+ while true; do
+ nvmet_debug_trigger_reset "${def_subsysnqn}"
+ sleep 2
+ done
+}
+
+test() {
+ echo "Running ${TEST_NAME}"
+
+ _setup_nvmet
+
+ _nvmet_target_setup
+
+ nvmet_reset_loop &
+ fio_pid=$!
+
+ # Try to trigger resets when the host is in different states connected,
+ # or connecting by calling target reset with an even number and the
+ # reconnect attempt with an uneven timeout.
+ for ((i = 0; i <= 5; i++)); do
+ _nvme_connect_subsys --keep-alive-tmo 1 --reconnect-delay 1
+ sleep 3
+ _nvme_disconnect_subsys >> "$FULL" 2>&1
+ done
+
+ { kill "${fio_pid}"; wait; } &> /dev/null
+
+ _nvmet_target_cleanup
+
+ echo "Test complete"
+}
diff --git a/tests/nvme/060.out b/tests/nvme/060.out
new file mode 100644
index 0000000000000000000000000000000000000000..517ff2dfcfd41c4088991e669af9fef52bde570b
--- /dev/null
+++ b/tests/nvme/060.out
@@ -0,0 +1,2 @@
+Running nvme/060
+Test complete
--
2.48.1
