[PATCH 3/5] iommu/vt-d: Implement DOMAIN_ATTR_GEOMETRY attribute

From: Joerg Roedel
Date: Thu Jan 19 2012 - 09:30:48 EST


Implement the attribute for the Intel IOMMU driver.

Signed-off-by: Joerg Roedel <joerg.roedel@xxxxxxx>
---
drivers/iommu/intel-iommu.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index 7a02a8e..a3dfc06 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -3917,6 +3917,10 @@ 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;
}

--
1.7.5.4


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