From ea6606b02fc3192f2edab2db669fa0b9756b4e67 Mon Sep 17 00:00:00 2001
From: Weidong Han <weidong.han@intel.com>
Date: Mon, 8 Dec 2008 23:08:15 +0800
Subject: [PATCH] Change domain_context_mapping_one for virtual machine domain

vm_domid won't be set in context, find available domain id for a device from its iommu.

For a virtual machine domain, a default agaw will be set, and skip top levels of page tables for iommu which has less agaw than default.

Signed-off-by: Weidong Han <weidong.han@intel.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
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