Newer kernel support to reset the target via the debugfs. Add a new test
case which exercises this interface.
Reviewed-by: Chaitanya Kulkarni <kch@xxxxxxxxxx>
Signed-off-by: Daniel Wagner <wagi@xxxxxxxxxx>
---
tests/nvme/060 | 62 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
tests/nvme/060.out | 2 ++
2 files changed, 64 insertions(+)
diff --git a/tests/nvme/060 b/tests/nvme/060
new file mode 100755
index 0000000000000000000000000000000000000000..293b03cd0ef6a75722c6b86fccbbc931d6f5e3a1
--- /dev/null
+++ b/tests/nvme/060
@@ -0,0 +1,62 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-3.0+
+# Copyright (C) 2025 Daniel Wagner, SUSE Labs
+#
+# Test nvme fabrics controller reset/disconnect/reconnect.
+
+. tests/nvme/rc
+
+DESCRIPTION="test nvme fabrics target reset"
+
+requires() {
+ _nvme_requires
+ _have_loop
+ _require_nvme_trtype_is_fabrics
+ _have_kernel_option NVME_TARGET_DEBUGF
+}
+
+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" > "$1/state"' _ {} \;
+}
+
+nvmet_reset_loop() {
+ while true; do
+ nvmet_debug_trigger_reset "${def_subsysnqn}"
+ sleep 2
+ done
+}
+
+test() {
+ echo "Running ${TEST_NAME}"
+
+ _setup_nvmet
+
+ _nvmet_target_setup
+
+ nvmet_reset_loop &
+ reset_loop_pid=$!
+
+ # Reset the host in different states e.g when the host is in the
+ # connected or connecting state.
+ #
+ # The target reset is triggered with an even number timeout, while the
+ # host reconnects with an odd number timeout.
+ for ((i = 0; i <= 5; i++)); do
+ _nvme_connect_subsys --keep-alive-tmo 1 --reconnect-delay 1
+ sleep 3
+ _nvme_disconnect_subsys >> "$FULL" 2>&1
+ done
+
+ { kill "${reset_loop_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
--
2.49.0
