Adding upstream version 18.2.2.upstream/18.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 62 insertions, 0 deletions

diff --git a/src/spdk/scripts/gen_ftl.sh b/src/spdk/scripts/gen_ftl.sh
new file mode 100755
index 000000000..acde64962
--- /dev/null
+++ b/src/spdk/scripts/gen_ftl.sh
@@ -0,0 +1,62 @@
+#!/usr/bin/env bash
+
+set -e
+
+rootdir=$(readlink -f $(dirname $0))/..
+
+function usage() {
+	echo "Usage: [-j] $0 -n BDEV_NAME -d BASE_BDEV [-u UUID] [-c CACHE]"
+	echo "UUID is required when restoring device state"
+	echo
+	echo "BDEV_NAME - name of the bdev"
+	echo "BASE_BDEV - name of the bdev to be used as underlying device"
+	echo "UUID - bdev's uuid (used when in restore mode)"
+	echo "CACHE - name of the bdev to be used as write buffer cache"
+}
+
+function create_json_config() {
+	echo "{"
+	echo '"subsystem": "bdev",'
+	echo '"config": ['
+	echo '{'
+	echo '"method": "bdev_ftl_create",'
+	echo '"params": {'
+	echo "\"name\": \"$1\","
+	echo "\"base_bdev\": \"$2\","
+	if [ -n "$4" ]; then
+		echo "\"uuid\": \"$3\","
+		echo "\"cache\": \"$4\""
+	else
+		echo "\"uuid\": \"$3\""
+	fi
+	echo '}'
+	echo '}'
+	echo ']'
+	echo '}'
+}
+
+uuid=00000000-0000-0000-0000-000000000000
+
+while getopts ":c:d:hn:u:" arg; do
+	case "$arg" in
+		n) name=$OPTARG ;;
+		d) base_bdev=$OPTARG ;;
+		u) uuid=$OPTARG ;;
+		c) cache=$OPTARG ;;
+		h)
+			usage
+			exit 0
+			;;
+		*)
+			usage
+			exit 1
+			;;
+	esac
+done
+
+if [[ -z "$name" || -z "$base_bdev" ]]; then
+	usage
+	exit 1
+fi
+
+create_json_config $name $base_bdev $uuid $cache