iommu/vt-d: Detect pre enabled translation

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Add code to detect whether translation is already enabled in
the IOMMU. Save this state in a flags field added to
struct intel_iommu.

Tested-by: ZhenHua Li <zhen-hual@hp.com>
Tested-by: Baoquan He <bhe@redhat.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>

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Joerg Roedel 2015-06-12 10:14:02 +02:00

parent 5f0a7f7614

commit 4158c2eca3

2 changed files with 23 additions and 0 deletions

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include/linux/intel-iommu.h

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