Searched refs:DMAR_PQH_REG (Results 1 – 2 of 2) sorted by relevance
67 dmar_writeq(iommu->reg + DMAR_PQH_REG, 0ULL); in intel_svm_enable_prq()78 dmar_writeq(iommu->reg + DMAR_PQH_REG, 0ULL); in intel_svm_finish_prq()798 head = dmar_readq(iommu->reg + DMAR_PQH_REG) & PRQ_RING_MASK; in intel_svm_drain_prq()904 head = dmar_readq(iommu->reg + DMAR_PQH_REG) & PRQ_RING_MASK; in prq_event_thread()1049 dmar_writeq(iommu->reg + DMAR_PQH_REG, tail); in prq_event_thread()1058 head = dmar_readq(iommu->reg + DMAR_PQH_REG) & PRQ_RING_MASK; in prq_event_thread()
84 #define DMAR_PQH_REG 0xc0 /* Page request queue head register */ macro