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iommu/vt-d: Detect pre enabled translation
authorJoerg Roedel <jroedel@suse.de>
Fri, 12 Jun 2015 08:14:02 +0000 (10:14 +0200)
committerJoerg Roedel <jroedel@suse.de>
Tue, 16 Jun 2015 08:59:34 +0000 (10:59 +0200)
commitbaf5bdd1e9f5bf026a7cdedd3c96c8d81325db4e
tree9a4b82ece9257f547d8958d1925c128e2d0f266btree | snapshot
parent474ce7356fa2a67b5158d046ee532c20af97e34acommit | diff
iommu/vt-d: Detect pre enabled translation

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>
drivers/iommu/intel-iommu.c diff | blob | history
include/linux/intel-iommu.h diff | blob | history
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