The function waits until it sees a given state (or timeouts).
Unfortunately, we can't use /sys/class/nvme/nvme%d because this symlink
will be removed if the controller is going through resetting state. Thus
use the real nvme%d directly.
Signed-off-by: Daniel Wagner <dwagner@xxxxxxx>
---
tests/nvme/rc | 23 +++++++++++++++++++++++
1 file changed, 23 insertions(+)
diff --git a/tests/nvme/rc b/tests/nvme/rc
index e720a35113aa..ae4a69fe8438 100644
--- a/tests/nvme/rc
+++ b/tests/nvme/rc
@@ -16,6 +16,7 @@ def_local_wwnn="0x10001100aa000002"
def_local_wwpn="0x20001100aa000002"
def_hostnqn="$(cat /etc/nvme/hostnqn 2> /dev/null)"
def_hostid="$(cat /etc/nvme/hostid 2> /dev/null)"
+def_state_timeout=20
nvme_trtype=${nvme_trtype:-"loop"}
_nvme_requires() {
@@ -198,6 +199,28 @@ _nvme_fcloop_del_tport() {
echo "wwnn=${wwnn},wwpn=${wwpn}" > ${loopctl}/del_target_port 2> /dev/null
}
+_nvmf_wait_for_state() {
+ local subsys_name="$1"
+ local state="$2"
+ local timeout="${3:-$def_state_timeout}"
+
+ local nvmedev=$(_find_nvme_dev "${subsys_name}")
+ local state_file="/sys/class/nvme-fabrics/ctl/${nvmedev}/state"
+
+ local start_time=$(date +%s)
+ local end_time
+
+ while ! grep -q "${state}" "${state_file}"; do
+ sleep 1
+ end_time=$(date +%s)
+ if (( end_time - start_time > timeout )); then
+ echo "expected state \"${state}\" not " \
+ "reached within ${timeout} seconds"
+ break
+ fi
+ done
+}
+
_cleanup_fcloop() {
local local_wwnn="${1:-$def_local_wwnn}"
local local_wwpn="${2:-$def_local_wwpn}"
--
2.40.0
