User can communicate to NVMe char device (/dev/ngXnY) using the
uring-passthrough interface. This test exercises some of these
communication pathways, using the 'io_uring_cmd' ioengine of fio.
Signed-off-by: Kanchan Joshi <joshi.k@xxxxxxxxxxx>
---
tests/nvme/047 | 46 ++++++++++++++++++++++++++++++++++++++++++++++
tests/nvme/047.out | 2 ++
2 files changed, 48 insertions(+)
create mode 100755 tests/nvme/047
create mode 100644 tests/nvme/047.out
diff --git a/tests/nvme/047 b/tests/nvme/047
new file mode 100755
index 0000000..a0cc8b2
--- /dev/null
+++ b/tests/nvme/047
@@ -0,0 +1,46 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-3.0+
+# Copyright (C) 2023 Kanchan Joshi, Samsung Electronics
+# Test exercising uring passthrough IO on nvme char device
+
+. tests/nvme/rc
+
+DESCRIPTION="basic test for uring-passthrough io on /dev/ngX"
+QUICK=1
+
+requires() {
+ _nvme_requires
+ _have_kver 6 1
+ _have_fio_ver 3 33
+}
+
+test_device() {
+ echo "Running ${TEST_NAME}"
+ local ngdev=${TEST_DEV/nvme/ng}
+ local common_args=(
+ --size=1M
+ --filename="$ngdev"
+ --bs=4k
+ --rw=randread
+ --numjobs=2
+ --iodepth=8
+ --name=randread
+ --ioengine=io_uring_cmd
+ --cmd_type=nvme
+ --time_based
+ --runtime=2
+ )
+ #plain read test
+ _run_fio "${common_args[@]}"
+
+ #read with iopoll
+ _run_fio "${common_args[@]}" --hipri
+
+ #read with fixedbufs
+ _run_fio "${common_args[@]}" --fixedbufs
+
+ #if ! _run_fio "${common_args[@]}" >> "${FULL}" 2>&1; then
+ # echo "Error: uring-passthru read failed"
+ #fi
+ echo "Test complete"
+}
diff --git a/tests/nvme/047.out b/tests/nvme/047.out
new file mode 100644
index 0000000..915d0a2
--- /dev/null
+++ b/tests/nvme/047.out
@@ -0,0 +1,2 @@
+Running nvme/047
+Test complete
--
2.25.1
