[PATCH blktests 2/7] nvme: add _setup_nvmet_port_ana()

[Shin'ichiro Kawasaki]

From: Hannes Reinecke <hare at suse.de>

Add a function to set the ANA state and group id for a port.

Signed-off-by: Hannes Reinecke <hare at suse.de>
Signed-off-by: Shin'ichiro Kawasaki <shinichiro.kawasaki at wdc.com>
---
 common/nvme | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/common/nvme b/common/nvme
index fd472fe..e11776b 100644
--- a/common/nvme
+++ b/common/nvme
@@ -8,6 +8,8 @@
 def_traddr="127.0.0.1"
 def_adrfam="ipv4"
 def_trsvcid="4420"
+def_anagrpid="1"
+def_anastate="optimized"
 def_remote_wwnn="0x10001100ab000001"
 def_remote_wwpn="0x20001100ab000001"
 def_local_wwnn="0x10001100aa000001"
@@ -470,6 +472,23 @@ _create_nvmet_port() {
 	echo "${port}"
 }
 
+_setup_nvmet_port_ana() {
+	local port="$1"
+	local anagrpid="${2:-$def_anagrpid}"
+	local anastate="${3:-$def_anastate}"
+	local cfsport="${NVMET_CFS}/ports/${port}"
+	local anaport="${cfsport}/ana_groups/${anagrpid}"
+
+	if [[ ! -d "${anaport}" ]] ; then
+		if [[ "${anagrpid}" -eq 1 ]]; then
+			echo "FAIL target setup failed, ANA not supported"
+			exit 1
+		fi
+		mkdir "${anaport}"
+	fi
+	echo "${anastate}" > "${anaport}/ana_state"
+}
+
 _remove_nvmet_port() {
 	local port="$1"
 
-- 
2.47.0