ARM_SMMU_CB
reg = arm_smmu_page(smmu, ARM_SMMU_CB(smmu, idx)) + ARM_SMMU_CB_ATSR;
__arm_smmu_tlb_sync(smmu, ARM_SMMU_CB(smmu, smmu_domain->cfg.cbndx),
arm_smmu_readl((s), ARM_SMMU_CB((s), (n)), (o))
arm_smmu_writel((s), ARM_SMMU_CB((s), (n)), (o), (v))
arm_smmu_readq((s), ARM_SMMU_CB((s), (n)), (o))
arm_smmu_writeq((s), ARM_SMMU_CB((s), (n)), (o), (v))