1 files changed, 68 insertions, 0 deletions
diff --git a/src/spdk/test/ftl/common.sh b/src/spdk/test/ftl/common.sh
new file mode 100644
index 000000000..f4620ac3d
--- /dev/null
+++ b/src/spdk/test/ftl/common.sh
@@ -0,0 +1,68 @@
+# Common utility functions to be sourced by the libftl test scripts
+
+function get_chunk_size() {
+	$SPDK_EXAMPLE_DIR/identify -r "trtype:PCIe traddr:$1" \
+		| grep 'Logical blks per chunk' | sed 's/[^0-9]//g'
+}
+
+function get_num_group() {
+	$SPDK_EXAMPLE_DIR/identify -r "trtype:PCIe traddr:$1" \
+		| grep 'Groups' | sed 's/[^0-9]//g'
+}
+
+function get_num_pu() {
+	$SPDK_EXAMPLE_DIR/identify -r "trtype:PCIe traddr:$1" \
+		| grep 'PUs' | sed 's/[^0-9]//g'
+}
+
+function has_separate_md() {
+	local md_type
+	md_type=$($SPDK_EXAMPLE_DIR/identify -r "trtype:PCIe traddr:$1" \
+		| grep 'Metadata Transferred' | cut -d: -f2)
+	if [[ "$md_type" =~ Separate ]]; then
+		return 0
+	else
+		return 1
+	fi
+}
+
+function create_nv_cache_bdev() {
+	local name=$1
+	local ocssd_bdf=$2
+	local cache_bdf=$3
+	local num_punits=$4
+
+	local bytes_to_mb=$((1024 * 1024))
+	local chunk_size
+	chunk_size=$(get_chunk_size $ocssd_bdf)
+
+	# We need at least 2 bands worth of data + 1 block
+	local size=$((2 * 4096 * chunk_size * num_punits + 1))
+	# Round the size up to the nearest megabyte
+	local size=$(((size + bytes_to_mb) / bytes_to_mb))
+
+	# Create NVMe bdev on specified device and split it so that it has the desired size
+	local nvc_bdev
+	nvc_bdev=$($rootdir/scripts/rpc.py bdev_nvme_attach_controller -b $name -t PCIe -a $cache_bdf)
+	$rootdir/scripts/rpc.py bdev_split_create $nvc_bdev -s $size 1
+}
+
+function gen_ftl_nvme_conf() {
+	jq . <<- JSON
+		{
+		  "subsystems": [
+		    {
+		      "subsystem": "bdev",
+		      "config": [
+		        {
+		          "params": {
+		            "nvme_adminq_poll_period_us": 100
+		          },
+		          "method": "bdev_nvme_set_options"
+		        }
+		      ]
+		    }
+		  ]
+		}
+	JSON
+}