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| author | James Morris <james.morris@microsoft.com> | 2019-01-10 11:41:59 -0800 |
|---|---|---|
| committer | James Morris <james.morris@microsoft.com> | 2019-01-10 11:41:59 -0800 |
| commit | 49e41801b335f64610bbfd23e8f2bbaf34d46276 (patch) | |
| tree | 4fbedacd1de1bbd4054f07f93031aebcb7b7a919 /include/linux/dma_remapping.h | |
| parent | b49d564344f773d8afee982153c8493e5f2eaf38 (diff) | |
| parent | bfeffd155283772bbe78c6a05dec7c0128ee500c (diff) | |
Merge tag 'v5.0-rc1' into next-general
Linux 5.0-rc1
Sync to pick up LSM stacking work (which is based on -rc1).
Diffstat (limited to 'include/linux/dma_remapping.h')
| -rw-r--r-- | include/linux/dma_remapping.h | 58 |
1 files changed, 0 insertions, 58 deletions
diff --git a/include/linux/dma_remapping.h b/include/linux/dma_remapping.h deleted file mode 100644 index 21b3e7d33d68..000000000000 --- a/include/linux/dma_remapping.h +++ /dev/null @@ -1,58 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _DMA_REMAPPING_H -#define _DMA_REMAPPING_H - -/* - * VT-d hardware uses 4KiB page size regardless of host page size. - */ -#define VTD_PAGE_SHIFT (12) -#define VTD_PAGE_SIZE (1UL << VTD_PAGE_SHIFT) -#define VTD_PAGE_MASK (((u64)-1) << VTD_PAGE_SHIFT) -#define VTD_PAGE_ALIGN(addr) (((addr) + VTD_PAGE_SIZE - 1) & VTD_PAGE_MASK) - -#define VTD_STRIDE_SHIFT (9) -#define VTD_STRIDE_MASK (((u64)-1) << VTD_STRIDE_SHIFT) - -#define DMA_PTE_READ (1) -#define DMA_PTE_WRITE (2) -#define DMA_PTE_LARGE_PAGE (1 << 7) -#define DMA_PTE_SNP (1 << 11) - -#define CONTEXT_TT_MULTI_LEVEL 0 -#define CONTEXT_TT_DEV_IOTLB 1 -#define CONTEXT_TT_PASS_THROUGH 2 -/* Extended context entry types */ -#define CONTEXT_TT_PT_PASID 4 -#define CONTEXT_TT_PT_PASID_DEV_IOTLB 5 -#define CONTEXT_TT_MASK (7ULL << 2) - -#define CONTEXT_DINVE (1ULL << 8) -#define CONTEXT_PRS (1ULL << 9) -#define CONTEXT_PASIDE (1ULL << 11) - -struct intel_iommu; -struct dmar_domain; -struct root_entry; - - -#ifdef CONFIG_INTEL_IOMMU -extern int iommu_calculate_agaw(struct intel_iommu *iommu); -extern int iommu_calculate_max_sagaw(struct intel_iommu *iommu); -extern int dmar_disabled; -extern int intel_iommu_enabled; -extern int intel_iommu_tboot_noforce; -#else -static inline int iommu_calculate_agaw(struct intel_iommu *iommu) -{ - return 0; -} -static inline int iommu_calculate_max_sagaw(struct intel_iommu *iommu) -{ - return 0; -} -#define dmar_disabled (1) -#define intel_iommu_enabled (0) -#endif - - -#endif |