MBX_SLEEP
if (mbox_queue_flag == MBX_SLEEP) {
flag = MBX_SLEEP;
case MBX_SLEEP:
case MBX_SLEEP:
case MBX_SLEEP:
if (hba->mbox_queue_flag == MBX_SLEEP) {
case MBX_SLEEP:
flag = MBX_SLEEP;
case MBX_SLEEP:
case MBX_SLEEP:
if (hba->mbox_queue_flag == MBX_SLEEP) {
case MBX_SLEEP: