So that the pasid related info, such as the pasid table and the
maximum of pasid could be used during setting up scalable mode
context.
Cc: Ashok Raj <ashok....@intel.com>
Cc: Jacob Pan <jacob.jun....@linux.intel.com>
Cc: Kevin Tian <kevin.t...@intel.com>
Cc: Liu Yi L <yi.l....@intel.com>
Signed-off-by: Lu Baolu <baolu...@linux.intel.com>
Reviewed-by: Ashok Raj <ashok....@intel.com>
Reviewed-by: Kevin Tian <kevin.t...@intel.com>
---
drivers/iommu/intel-iommu.c | 14 +++++++++++---
1 file changed, 11 insertions(+), 3 deletions(-)
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index 6d2ee8639e4c..a761c0aa3438 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -1917,6 +1917,7 @@ static void domain_exit(struct dmar_domain *domain)
static int domain_context_mapping_one(struct dmar_domain *domain,
struct intel_iommu *iommu,
+ struct pasid_table *table,
u8 bus, u8 devfn)
{
u16 did = domain->iommu_did[iommu->seq_id];
@@ -2039,6 +2040,7 @@ static int domain_context_mapping_one(struct dmar_domain
*domain,
struct domain_context_mapping_data {
struct dmar_domain *domain;
struct intel_iommu *iommu;
+ struct pasid_table *table;
};
static int domain_context_mapping_cb(struct pci_dev *pdev,
@@ -2047,25 +2049,31 @@ static int domain_context_mapping_cb(struct pci_dev
*pdev,
struct domain_context_mapping_data *data = opaque;
return domain_context_mapping_one(data->domain, data->iommu,
- PCI_BUS_NUM(alias), alias & 0xff);
+ data->table, PCI_BUS_NUM(alias),
+ alias & 0xff);
}
static int
domain_context_mapping(struct dmar_domain *domain, struct device *dev)
{
+ struct domain_context_mapping_data data;
+ struct pasid_table *table;
struct intel_iommu *iommu;
u8 bus, devfn;
- struct domain_context_mapping_data data;
iommu = device_to_iommu(dev, &bus, &devfn);
if (!iommu)
return -ENODEV;
+ table = intel_pasid_get_table(dev);
+
if (!dev_is_pci(dev))
- return domain_context_mapping_one(domain, iommu, bus, devfn);
+ return domain_context_mapping_one(domain, iommu, table,
+ bus, devfn);
data.domain = domain;
data.iommu = iommu;
+ data.table = table;
return pci_for_each_dma_alias(to_pci_dev(dev),
&domain_context_mapping_cb, &data);
--
2.17.1
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