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ddk: update 3.14-rc1 includes

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git-svn-id: svn://kolibrios.org@4568 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Sergey Semyonov (Serge)
2014-02-10 05:06:05 +00:00
parent ef154816ce
commit 76c50442a0
11 changed files with 628 additions and 8 deletions
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48
drivers/include/linux/dma_remapping.h Normal file
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@@ -0,0 +1,48 @@
#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
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;
#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