Documentation: Add info on nvme_trtype

Mention that the nvme tests can be parametrized.

Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Signed-off-by: Daniel Wagner <dwagner@suse.de>
Signed-off-by: Shin'ichiro Kawasaki <shinichiro.kawasaki@wdc.com>

diff --git a/Documentation/running-tests.md b/Documentation/running-tests.md
index 3550f377f487dae2bb883bb7bee39ffc90ba2a2d..33c2a512eb6b943a9efca11a958125cbdb17c0f6 100644 (file)
--- a/Documentation/running-tests.md
+++ b/Documentation/running-tests.md
@@ -98,6 +98,13 @@ requires that the kernel be compiled with `CONFIG_BLK_DEV_ZONED` enabled.
 RUN_ZONED_TESTS=1
 ```
 
+### NVMe test parameterizing
+
+The NVMe tests can be additionally parameterized via environment variables.
+
+- nvme_trtype: 'loop' (default), 'tcp', 'rdma' and 'fc'
+  Run the tests with the given transport.
+
 ### Running nvme-rdma nvmeof-mp srp tests
 
 Most of these tests will use the rdma_rxe (soft-RoCE) driver by default. The siw (soft-iWARP) driver is also supported.