From 23349902edec4d3d932bca1bb99261477139a36a Mon Sep 17 00:00:00 2001 From: Hiroshi DOYU Date: Thu, 26 Jan 2012 19:40:57 +0100 Subject: iommu/tegra: Implement DOMAIN_ATTR_GEOMETRY attribute Implement the attribute for the Tegra IOMMU drivers. Signed-off-by: Hiroshi DOYU Signed-off-by: Joerg Roedel --- drivers/iommu/tegra-gart.c | 5 +++++ drivers/iommu/tegra-smmu.c | 5 +++++ 2 files changed, 10 insertions(+) (limited to 'drivers/iommu') diff --git a/drivers/iommu/tegra-gart.c b/drivers/iommu/tegra-gart.c index 0c0a377..c16e8fc 100644 --- a/drivers/iommu/tegra-gart.c +++ b/drivers/iommu/tegra-gart.c @@ -165,6 +165,11 @@ static int gart_iommu_attach_dev(struct iommu_domain *domain, return -EINVAL; domain->priv = gart; + domain->geometry.aperture_start = gart->iovmm_base; + domain->geometry.aperture_end = gart->iovmm_base + + gart->page_count * GART_PAGE_SIZE - 1; + domain->geometry.force_aperture = true; + client = devm_kzalloc(gart->dev, sizeof(*c), GFP_KERNEL); if (!client) return -ENOMEM; diff --git a/drivers/iommu/tegra-smmu.c b/drivers/iommu/tegra-smmu.c index ecd6790..96e73d5 100644 --- a/drivers/iommu/tegra-smmu.c +++ b/drivers/iommu/tegra-smmu.c @@ -807,6 +807,11 @@ found: spin_unlock_irqrestore(&as->lock, flags); domain->priv = as; + domain->geometry.aperture_start = smmu->iovmm_base; + domain->geometry.aperture_end = smmu->iovmm_base + + smmu->page_count * SMMU_PAGE_SIZE - 1; + domain->geometry.force_aperture = true; + dev_dbg(smmu->dev, "smmu_as@%p\n", as); return 0; -- cgit v1.1