test/xnvme: Add simple test covering xnvme

This test is meant to simply verify basic IO and rpc integrity with
regards to different io_mechanisms.

Signed-off-by: Michal Berger <michal.berger@intel.com>
Change-Id: I936d57c6ac539e77761656a1ec2b8ad1013f918f
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/14119
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Dong Yi <dongx.yi@intel.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Reviewed-by: Konrad Sztyber <konrad.sztyber@intel.com>

autotest.sh

@@ -220,6 +220,10 @@ if [ $SPDK_RUN_FUNCTIONAL_TEST -eq 1 ]; then
 		if [ $SPDK_RUN_ASAN -eq 0 ] && [ $(uname -s) = Linux ]; then
 			run_test "sw_hotplug" test/nvme/sw_hotplug.sh
 		fi
+
+		if [[ $SPDK_TEST_XNVME -eq 1 ]]; then
+			run_test "nvme_xnvme" test/nvme/xnvme/xnvme.sh
+		fi
 	fi
 
 	if [ $SPDK_TEST_IOAT -eq 1 ]; then

test/nvme/xnvme/xnvme.sh

@@ -0,0 +1,80 @@
+#!/usr/bin/env bash
+testdir=$(readlink -f "$(dirname "$0")")
+rootdir=$(readlink -f "$testdir/../../../")
+# Hook into dd suite to perform some basic IO tests
+source "$rootdir/test/dd/common.sh"
+
+malloc_to_xnvme_copy() {
+	# Use zram for the xnvme backend
+	init_zram
+
+	local mbdev0=malloc0 mbdev0_b=1048576 mbdev0_bs=512
+	local xnvme0=zram0 xnvme0_dev xnvme_io=()
+	local io
+
+	xnvme_io+=(libaio)
+	xnvme_io+=(io_uring)
+
+	xnvme0_dev=$(create_zram_dev)
+	set_zram_dev "$xnvme0_dev" 512M
+
+	local -A method_bdev_malloc_create_0=(
+		["name"]=$mbdev0
+		["num_blocks"]=$mbdev0_b
+		["block_size"]=$mbdev0_bs
+	)
+
+	local -A method_bdev_xnvme_create_0=()
+	method_bdev_xnvme_create_0["name"]=$xnvme0
+	method_bdev_xnvme_create_0["filename"]="/dev/zram$xnvme0_dev"
+
+	for io in "${xnvme_io[@]}"; do
+		method_bdev_xnvme_create_0["io_mechanism"]="$io"
+
+		"${DD_APP[@]}" \
+			--ib="$mbdev0" \
+			--ob="$xnvme0" \
+			--json <(gen_conf)
+
+		"${DD_APP[@]}" \
+			--ib="$xnvme0" \
+			--ob="$mbdev0" \
+			--json <(gen_conf)
+	done
+
+	remove_zram_dev "$xnvme0_dev"
+}
+
+xnvme_bdevperf() {
+	# Use zram for the xnvme backend
+	init_zram
+
+	local xnvme0=zram0 xnvme0_dev xnvme_io=()
+	local io
+
+	xnvme_io+=(libaio)
+	xnvme_io+=(io_uring)
+
+	xnvme0_dev=$(create_zram_dev)
+	set_zram_dev "$xnvme0_dev" 512M
+
+	local -A method_bdev_xnvme_create_0=()
+	method_bdev_xnvme_create_0["name"]=$xnvme0
+	method_bdev_xnvme_create_0["filename"]="/dev/zram$xnvme0_dev"
+
+	for io in "${xnvme_io[@]}"; do
+		method_bdev_xnvme_create_0["io_mechanism"]="$io"
+		"$rootdir/test/bdev/bdevperf/bdevperf" \
+			--json <(gen_conf) \
+			-q 64 \
+			-w randread \
+			-t 5 \
+			-T "$xnvme0" \
+			-o 4096
+	done
+
+	remove_zram_dev "$xnvme0_dev"
+}
+
+run_test "xnvme_to_malloc_dd_copy" malloc_to_xnvme_copy
+run_test "xnvme_bdevperf" xnvme_bdevperf