From: Joerg Roedel <joerg.roedel@amd.com>
Date: Thu, 26 Jan 2012 18:40:54 +0000 (+0100)
Subject: iommu/vt-d: Implement DOMAIN_ATTR_GEOMETRY attribute
X-Git-Tag: firefly_0821_release~3680^2~2367^2^6~4
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=8a0e715b73c4a54d6ef294ce314dab22c6b62a10;p=firefly-linux-kernel-4.4.55.git

iommu/vt-d: Implement DOMAIN_ATTR_GEOMETRY attribute

Implement the attribute for the Intel IOMMU driver.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
---

diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index b12af2ff8c54..6cb0791b3264 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -3932,6 +3932,10 @@ static int intel_iommu_domain_init(struct iommu_domain *domain)
 	domain_update_iommu_cap(dmar_domain);
 	domain->priv = dmar_domain;
 
+	domain->geometry.aperture_start = 0;
+	domain->geometry.aperture_end   = __DOMAIN_MAX_ADDR(dmar_domain->gaw);
+	domain->geometry.force_aperture = true;
+
 	return 0;
 }