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iommu/vt-d: Setup context and enable RID2PASID support

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This patch enables the translation for requests without PASID in
the scalable mode by setting up the root and context entries.

Cc: Ashok Raj <ashok.raj@intel.com>
Cc: Jacob Pan <jacob.jun.pan@linux.intel.com>
Cc: Kevin Tian <kevin.tian@intel.com>
Signed-off-by: Sanjay Kumar <sanjay.k.kumar@intel.com>
Signed-off-by: Liu Yi L <yi.l.liu@intel.com>
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Reviewed-by: Ashok Raj <ashok.raj@intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Lu Baolu
2018-12-10 09:59:03 +08:00
committed by Joerg Roedel
parent ca6e322d60
commit 7373a8cc38
3 changed files with 108 additions and 30 deletions
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1
include/linux/intel-iommu.h
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@@ -258,6 +258,7 @@
/* DMA_RTADDR_REG */
#define DMA_RTADDR_RTT (((u64)1) << 11)
#define DMA_RTADDR_SMT (((u64)1) << 10)
/* CCMD_REG */
#define DMA_CCMD_ICC (((u64)1) << 63)