diff options
Diffstat (limited to 'drivers/iommu/intel')
| -rw-r--r-- | drivers/iommu/intel/iommu.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c index ddff43def3ab..ecb7e44377a8 100644 --- a/drivers/iommu/intel/iommu.c +++ b/drivers/iommu/intel/iommu.c @@ -1467,6 +1467,18 @@ static void iommu_flush_dev_iotlb(struct dmar_domain *domain, spin_unlock_irqrestore(&domain->lock, flags); } +static void domain_flush_pasid_iotlb(struct intel_iommu *iommu, + struct dmar_domain *domain, u64 addr, + unsigned long npages, bool ih) +{ + u16 did = domain_id_iommu(domain, iommu); + unsigned long flags; + + spin_lock_irqsave(&domain->lock, flags); + qi_flush_piotlb(iommu, did, IOMMU_NO_PASID, addr, npages, ih); + spin_unlock_irqrestore(&domain->lock, flags); +} + static void iommu_flush_iotlb_psi(struct intel_iommu *iommu, struct dmar_domain *domain, unsigned long pfn, unsigned int pages, @@ -1484,7 +1496,7 @@ static void iommu_flush_iotlb_psi(struct intel_iommu *iommu, ih = 1 << 6; if (domain->use_first_level) { - qi_flush_piotlb(iommu, did, IOMMU_NO_PASID, addr, pages, ih); + domain_flush_pasid_iotlb(iommu, domain, addr, pages, ih); } else { unsigned long bitmask = aligned_pages - 1; @@ -1554,7 +1566,7 @@ static void intel_flush_iotlb_all(struct iommu_domain *domain) u16 did = domain_id_iommu(dmar_domain, iommu); if (dmar_domain->use_first_level) - qi_flush_piotlb(iommu, did, IOMMU_NO_PASID, 0, -1, 0); + domain_flush_pasid_iotlb(iommu, dmar_domain, 0, -1, 0); else iommu->flush.flush_iotlb(iommu, did, 0, 0, DMA_TLB_DSI_FLUSH); |