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| author | Joerg Roedel | 2009-09-02 14:24:08 +0200 |
|---|---|---|
| committer | Joerg Roedel | 2009-09-03 16:03:34 +0200 |
| commit | 9355a08186e52b7c120adea91c984923b54efa10 (patch) | |
| tree | 563c92011f7733fc20dfced74a058c809813ed0c /arch/x86/include/asm/amd_iommu_types.h | |
| parent | autofs4 - fix missed case when changing to use struct path (diff) | |
| download | kernel-qcow2-linux-9355a08186e52b7c120adea91c984923b54efa10.tar.gz kernel-qcow2-linux-9355a08186e52b7c120adea91c984923b54efa10.tar.xz kernel-qcow2-linux-9355a08186e52b7c120adea91c984923b54efa10.zip | |
x86/amd-iommu: Make fetch_pte aware of dynamic mapping levels
This patch changes the fetch_pte function in the AMD IOMMU
driver to support dynamic mapping levels.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Diffstat (limited to 'arch/x86/include/asm/amd_iommu_types.h')
| -rw-r--r-- | arch/x86/include/asm/amd_iommu_types.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/x86/include/asm/amd_iommu_types.h b/arch/x86/include/asm/amd_iommu_types.h index 0c878caaa0a2..7fce4ef77bdd 100644 --- a/arch/x86/include/asm/amd_iommu_types.h +++ b/arch/x86/include/asm/amd_iommu_types.h @@ -146,12 +146,21 @@ #define PAGE_MODE_1_LEVEL 0x01 #define PAGE_MODE_2_LEVEL 0x02 #define PAGE_MODE_3_LEVEL 0x03 +#define PAGE_MODE_4_LEVEL 0x04 +#define PAGE_MODE_5_LEVEL 0x05 +#define PAGE_MODE_6_LEVEL 0x06 #define IOMMU_PDE_NL_0 0x000ULL #define IOMMU_PDE_NL_1 0x200ULL #define IOMMU_PDE_NL_2 0x400ULL #define IOMMU_PDE_NL_3 0x600ULL +#define PM_LEVEL_SHIFT(x) (12 + ((x) * 9)) +#define PM_LEVEL_SIZE(x) (((x) < 6) ? \ + ((1ULL << PM_LEVEL_SHIFT((x))) - 1): \ + (0xffffffffffffffffULL)) +#define PM_LEVEL_INDEX(x, a) (((a) >> PM_LEVEL_SHIFT((x))) & 0x1ffULL) + #define IOMMU_PTE_L2_INDEX(address) (((address) >> 30) & 0x1ffULL) #define IOMMU_PTE_L1_INDEX(address) (((address) >> 21) & 0x1ffULL) #define IOMMU_PTE_L0_INDEX(address) (((address) >> 12) & 0x1ffULL) |