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x86, AMD IOMMU: initialize device table properly

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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>
This commit is contained in:
Joerg Roedel 2008-08-14 19:55:16 +02:00 • committed by Ingo Molnar
commit 9f5f5fb35d
2 changed files with 19 additions and 0 deletions
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1
include/asm-x86/amd_iommu_types.h
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@ -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