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authorJoerg Roedel <joerg.roedel@amd.com>2008-08-14 19:55:16 +0200
committerIngo Molnar <mingo@elte.hu>2008-08-15 13:56:54 +0200
commit9f5f5fb35d2934fe7dc0cb019854a030efd10cd7 (patch)
tree061412d890a702fddb46ac259080a963dce939f4 /include/asm-x86
parent519c31bacf78a969efa8d2e55ed8862848f28590 (diff)
downloadop-kernel-dev-9f5f5fb35d2934fe7dc0cb019854a030efd10cd7.zip
op-kernel-dev-9f5f5fb35d2934fe7dc0cb019854a030efd10cd7.tar.gz
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.h1
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 3254322..f0beca7 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
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