diff options
| author | Hiroshi DOYU <hdoyu@nvidia.com> | 2012-01-26 19:40:57 +0100 |
|---|---|---|
| committer | Joerg Roedel <joerg.roedel@amd.com> | 2012-07-11 12:25:57 +0200 |
| commit | 23349902edec4d3d932bca1bb99261477139a36a (patch) | |
| tree | 96eb09c80fd527125d8dd10f31a5c22f1966e57a /drivers/iommu | |
| parent | 4be6a290b87af9136b482d5c22574f070ffdbdb8 (diff) | |
| download | linux-23349902edec4d3d932bca1bb99261477139a36a.tar.gz linux-23349902edec4d3d932bca1bb99261477139a36a.tar.bz2 linux-23349902edec4d3d932bca1bb99261477139a36a.zip | |
iommu/tegra: Implement DOMAIN_ATTR_GEOMETRY attribute
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>
Diffstat (limited to 'drivers/iommu')
| -rw-r--r-- | drivers/iommu/tegra-gart.c | 5 | ||||
| -rw-r--r-- | 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 0c0a37792218..c16e8fc8a4bd 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 ecd679043d77..96e73d56451a 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; |