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| author | Joerg Roedel <joerg.roedel@amd.com> | 2008-08-14 19:55:16 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-08-15 13:56:54 +0200 |
| commit | 9f5f5fb35d2934fe7dc0cb019854a030efd10cd7 (patch) | |
| tree | 061412d890a702fddb46ac259080a963dce939f4 /include/asm-x86 | |
| parent | 519c31bacf78a969efa8d2e55ed8862848f28590 (diff) | |
| download | linux-0-day-9f5f5fb35d2934fe7dc0cb019854a030efd10cd7.tar.gz linux-0-day-9f5f5fb35d2934fe7dc0cb019854a030efd10cd7.tar.xz | |
x86, AMD IOMMU: initialize device table properly
This patch adds device table initializations which forbids memory accesses
for devices per default and disables all page faults.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/asm-x86')
| -rw-r--r-- | include/asm-x86/amd_iommu_types.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/asm-x86/amd_iommu_types.h b/include/asm-x86/amd_iommu_types.h index 32543229db769..f0beca73e3647 100644 --- a/include/asm-x86/amd_iommu_types.h +++ b/include/asm-x86/amd_iommu_types.h @@ -103,6 +103,7 @@ #define DEV_ENTRY_TRANSLATION 0x01 #define DEV_ENTRY_IR 0x3d #define DEV_ENTRY_IW 0x3e +#define DEV_ENTRY_NO_PAGE_FAULT 0x62 #define DEV_ENTRY_EX 0x67 #define DEV_ENTRY_SYSMGT1 0x68 #define DEV_ENTRY_SYSMGT2 0x69 |