NVME_CC_MPS_SHIFT
((PAGE_SHIFT - 12) << NVME_CC_MPS_SHIFT) |
ctrl->ctrl_config |= (NVME_CTRL_PAGE_SHIFT - 12) << NVME_CC_MPS_SHIFT;
return (cc & NVME_CC_MPS_MASK) >> NVME_CC_MPS_SHIFT;
NVME_CC_MPS_MASK = 0xf << NVME_CC_MPS_SHIFT,