Messages in this thread Patch in this message | | | From | Joerg Roedel <> | Subject | [PATCH 6/6] iommu/tegra: Implement DOMAIN_ATTR_GEOMETRY attribute | Date | Thu, 26 Jan 2012 19:40:57 +0100 |
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From: Hiroshi DOYU <hdoyu@nvidia.com>
Implement the attribute for the Tegra IOMMU drivers.
Signed-off-by: Hiroshi DOYU <hdoyu@nvidia.com> Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> --- drivers/iommu/tegra-gart.c | 5 +++++ drivers/iommu/tegra-smmu.c | 5 +++++ 2 files changed, 10 insertions(+), 0 deletions(-)
diff --git a/drivers/iommu/tegra-gart.c b/drivers/iommu/tegra-gart.c index b21598f..b60ee49 100644 --- a/drivers/iommu/tegra-gart.c +++ b/drivers/iommu/tegra-gart.c @@ -163,6 +163,11 @@ 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 eb93c82..9614702 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; -- 1.7.5.4
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