From: Joerg Roedel <jroedel@suse.de>
Date: Thu, 28 May 2015 16:41:33 +0000 (+0200)
Subject: iommu: Introduce direct mapped region handling
X-Git-Tag: omap-for-v4.2/fixes-rc1^2~142^2^6~14
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a1015c2b99b94cf521603b41debf167114031456;p=pandora-kernel.git

iommu: Introduce direct mapped region handling

Add two new functions to the IOMMU-API to allow the IOMMU
drivers to export the requirements for direct mapped regions
per device.
This is useful for exporting the information in Intel VT-d's
RMRR entries or AMD-Vi's unity mappings.

Signed-off-by: Joerg Roedel <jroedel@suse.de>
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