summaryrefslogtreecommitdiff
path: root/include/linux
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/dmar.h8
-rw-r--r--include/linux/intel-iommu.h13
-rw-r--r--include/linux/swiotlb.h3
3 files changed, 18 insertions, 6 deletions
diff --git a/include/linux/dmar.h b/include/linux/dmar.h
index e04436a7ff27..45e903d84733 100644
--- a/include/linux/dmar.h
+++ b/include/linux/dmar.h
@@ -131,6 +131,14 @@ static inline int dmar_res_noop(struct acpi_dmar_header *hdr, void *arg)
return 0;
}
+#ifdef CONFIG_DMAR_DEBUG
+void dmar_fault_dump_ptes(struct intel_iommu *iommu, u16 source_id,
+ unsigned long long addr, u32 pasid);
+#else
+static inline void dmar_fault_dump_ptes(struct intel_iommu *iommu, u16 source_id,
+ unsigned long long addr, u32 pasid) {}
+#endif
+
#ifdef CONFIG_INTEL_IOMMU
extern int iommu_detected, no_iommu;
extern int intel_iommu_init(void);
diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h
index 05a65eb155f7..69230fd695ea 100644
--- a/include/linux/intel-iommu.h
+++ b/include/linux/intel-iommu.h
@@ -517,9 +517,6 @@ struct context_entry {
u64 hi;
};
-/* si_domain contains mulitple devices */
-#define DOMAIN_FLAG_STATIC_IDENTITY BIT(0)
-
/*
* When VT-d works in the scalable mode, it allows DMA translation to
* happen through either first level or second level page table. This
@@ -708,9 +705,15 @@ static inline bool dma_pte_superpage(struct dma_pte *pte)
return (pte->val & DMA_PTE_LARGE_PAGE);
}
-static inline int first_pte_in_page(struct dma_pte *pte)
+static inline bool first_pte_in_page(struct dma_pte *pte)
+{
+ return IS_ALIGNED((unsigned long)pte, VTD_PAGE_SIZE);
+}
+
+static inline int nr_pte_to_next_page(struct dma_pte *pte)
{
- return !((unsigned long)pte & ~VTD_PAGE_MASK);
+ return first_pte_in_page(pte) ? BIT_ULL(VTD_STRIDE_SHIFT) :
+ (struct dma_pte *)ALIGN((unsigned long)pte, VTD_PAGE_SIZE) - pte;
}
extern struct dmar_drhd_unit * dmar_find_matched_drhd_unit(struct pci_dev *dev);
diff --git a/include/linux/swiotlb.h b/include/linux/swiotlb.h
index b0cb2a9973f4..569272871375 100644
--- a/include/linux/swiotlb.h
+++ b/include/linux/swiotlb.h
@@ -45,7 +45,8 @@ extern void __init swiotlb_update_mem_attributes(void);
phys_addr_t swiotlb_tbl_map_single(struct device *hwdev, phys_addr_t phys,
size_t mapping_size, size_t alloc_size,
- enum dma_data_direction dir, unsigned long attrs);
+ unsigned int alloc_aligned_mask, enum dma_data_direction dir,
+ unsigned long attrs);
extern void swiotlb_tbl_unmap_single(struct device *hwdev,
phys_addr_t tlb_addr,