NVME_ID_CNS_CTRL
c.identify.cns = NVME_ID_CNS_CTRL;
case NVME_ID_CNS_CTRL:
case NVME_ID_CNS_CTRL:
if (req->cmd->identify.cns != NVME_ID_CNS_CTRL) {
case NVME_ID_CNS_CTRL:
case NVME_ID_CNS_CTRL: