Searched refs:DMAR_PQH_REG (Results 1 – 2 of 2) sorted by relevance
85 head = dmar_readq(iommu->reg + DMAR_PQH_REG) & PRQ_RING_MASK; in intel_iommu_drain_pasid_prq()212 head = dmar_readq(iommu->reg + DMAR_PQH_REG) & PRQ_RING_MASK; in prq_event_thread()262 dmar_writeq(iommu->reg + DMAR_PQH_REG, tail); in prq_event_thread()271 head = dmar_readq(iommu->reg + DMAR_PQH_REG) & PRQ_RING_MASK; in prq_event_thread()328 dmar_writeq(iommu->reg + DMAR_PQH_REG, 0ULL); in intel_iommu_enable_prq()351 dmar_writeq(iommu->reg + DMAR_PQH_REG, 0ULL); in intel_iommu_finish_prq()
92 #define DMAR_PQH_REG 0xc0 /* Page request queue head register */ macro