ctrl->ctrl_config = NVME_CC_CSS_NVM;
        ctrl->ctrl_config |= (page_shift - 12) << NVME_CC_MPS_SHIFT;
-       ctrl->ctrl_config |= NVME_CC_ARB_RR | NVME_CC_SHN_NONE;
+       ctrl->ctrl_config |= NVME_CC_AMS_RR | NVME_CC_SHN_NONE;
        ctrl->ctrl_config |= NVME_CC_IOSQES | NVME_CC_IOCQES;
        ctrl->ctrl_config |= NVME_CC_ENABLE;
 
 
        NVME_CC_SHN_SHIFT       = 14,
        NVME_CC_IOSQES_SHIFT    = 16,
        NVME_CC_IOCQES_SHIFT    = 20,
-       NVME_CC_ARB_RR          = 0 << NVME_CC_AMS_SHIFT,
-       NVME_CC_ARB_WRRU        = 1 << NVME_CC_AMS_SHIFT,
-       NVME_CC_ARB_VS          = 7 << NVME_CC_AMS_SHIFT,
+       NVME_CC_AMS_RR          = 0 << NVME_CC_AMS_SHIFT,
+       NVME_CC_AMS_WRRU        = 1 << NVME_CC_AMS_SHIFT,
+       NVME_CC_AMS_VS          = 7 << NVME_CC_AMS_SHIFT,
        NVME_CC_SHN_NONE        = 0 << NVME_CC_SHN_SHIFT,
        NVME_CC_SHN_NORMAL      = 1 << NVME_CC_SHN_SHIFT,
        NVME_CC_SHN_ABRUPT      = 2 << NVME_CC_SHN_SHIFT,