DMAR_PQH_REG 77 drivers/iommu/intel-svm.c dmar_writeq(iommu->reg + DMAR_PQH_REG, 0ULL); DMAR_PQH_REG 86 drivers/iommu/intel-svm.c dmar_writeq(iommu->reg + DMAR_PQH_REG, 0ULL); DMAR_PQH_REG 542 drivers/iommu/intel-svm.c head = dmar_readq(iommu->reg + DMAR_PQH_REG) & PRQ_RING_MASK; DMAR_PQH_REG 665 drivers/iommu/intel-svm.c dmar_writeq(iommu->reg + DMAR_PQH_REG, tail);