diff options
Diffstat (limited to 'drivers/iommu/intel/iommu.h')
| -rw-r--r-- | drivers/iommu/intel/iommu.h | 28 |
1 files changed, 6 insertions, 22 deletions
diff --git a/drivers/iommu/intel/iommu.h b/drivers/iommu/intel/iommu.h index 6ea7bbe26b19..c4916886da5a 100644 --- a/drivers/iommu/intel/iommu.h +++ b/drivers/iommu/intel/iommu.h @@ -774,6 +774,7 @@ struct device_domain_info { u8 ats_enabled:1; u8 dtlb_extra_inval:1; /* Quirk for devices need extra flush */ u8 ats_qdep; + unsigned int iopf_refcount; struct device *dev; /* it's NULL for PCIe-to-PCI bridge */ struct intel_iommu *iommu; /* IOMMU used by this device */ struct dmar_domain *domain; /* pointer to domain */ @@ -953,25 +954,6 @@ static inline unsigned long lvl_to_nr_pages(unsigned int lvl) return 1UL << min_t(int, (lvl - 1) * LEVEL_STRIDE, MAX_AGAW_PFN_WIDTH); } -/* VT-d pages must always be _smaller_ than MM pages. Otherwise things - are never going to work. */ -static inline unsigned long mm_to_dma_pfn_start(unsigned long mm_pfn) -{ - return mm_pfn << (PAGE_SHIFT - VTD_PAGE_SHIFT); -} -static inline unsigned long mm_to_dma_pfn_end(unsigned long mm_pfn) -{ - return ((mm_pfn + 1) << (PAGE_SHIFT - VTD_PAGE_SHIFT)) - 1; -} -static inline unsigned long page_to_dma_pfn(struct page *pg) -{ - return mm_to_dma_pfn_start(page_to_pfn(pg)); -} -static inline unsigned long virt_to_dma_pfn(void *p) -{ - return page_to_dma_pfn(virt_to_page(p)); -} - static inline void context_set_present(struct context_entry *context) { context->lo |= 1; @@ -1304,9 +1286,8 @@ void cache_tag_flush_all(struct dmar_domain *domain); void cache_tag_flush_range_np(struct dmar_domain *domain, unsigned long start, unsigned long end); -void intel_context_flush_present(struct device_domain_info *info, - struct context_entry *context, - u16 did, bool affect_domains); +void intel_context_flush_no_pasid(struct device_domain_info *info, + struct context_entry *context, u16 did); int intel_iommu_enable_prq(struct intel_iommu *iommu); int intel_iommu_finish_prq(struct intel_iommu *iommu); @@ -1314,6 +1295,9 @@ void intel_iommu_page_response(struct device *dev, struct iopf_fault *evt, struct iommu_page_response *msg); void intel_iommu_drain_pasid_prq(struct device *dev, u32 pasid); +int intel_iommu_enable_iopf(struct device *dev); +void intel_iommu_disable_iopf(struct device *dev); + #ifdef CONFIG_INTEL_IOMMU_SVM void intel_svm_check(struct intel_iommu *iommu); struct iommu_domain *intel_svm_domain_alloc(struct device *dev, |