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| author | Li, Zhen-Hua <zhen-hual@hp.com> | 2013-09-13 14:27:32 +0800 |
|---|---|---|
| committer | Joerg Roedel <joro@8bytes.org> | 2013-09-24 13:04:07 +0200 |
| commit | 82aeef0bf03684b377678c00c05e613f30dca39c (patch) | |
| tree | 7348799eca051013d1d6b51ae7e5f7c4b231057d /include/linux/intel-iommu.h | |
| parent | 0b6e8569b7b767f9418f1b043aa5986015a33b21 (diff) | |
| download | lwn-82aeef0bf03684b377678c00c05e613f30dca39c.tar.gz lwn-82aeef0bf03684b377678c00c05e613f30dca39c.zip | |
x86/iommu: correct ICS register offset
According to Intel Vt-D specs, the offset of Invalidation complete
status register should be 0x9C, not 0x98.
See Intel's VT-d spec, Revision 1.3, Chapter 10.4, Page 98;
Signed-off-by: Li, Zhen-Hua <zhen-hual@hp.com>
Signed-off-by: Joerg Roedel <joro@8bytes.org>
Diffstat (limited to 'include/linux/intel-iommu.h')
| -rw-r--r-- | include/linux/intel-iommu.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h index 78e2ada50cd5..d380c5e68008 100644 --- a/include/linux/intel-iommu.h +++ b/include/linux/intel-iommu.h @@ -55,7 +55,7 @@ #define DMAR_IQT_REG 0x88 /* Invalidation queue tail register */ #define DMAR_IQ_SHIFT 4 /* Invalidation queue head/tail shift */ #define DMAR_IQA_REG 0x90 /* Invalidation queue addr register */ -#define DMAR_ICS_REG 0x98 /* Invalidation complete status register */ +#define DMAR_ICS_REG 0x9c /* Invalidation complete status register */ #define DMAR_IRTA_REG 0xb8 /* Interrupt remapping table addr register */ #define OFFSET_STRIDE (9) |