diff options
Diffstat (limited to 'include/linux/intel-iommu.h')
| -rw-r--r-- | include/linux/intel-iommu.h | 13 |
1 files changed, 8 insertions, 5 deletions
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); |