> From: Lu Baolu [mailto:baolu...@linux.intel.com]
> Sent: Thursday, August 30, 2018 9:35 AM
>
> 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 c3bf2ccf094d..33642dd3d6ba 100644
> --- a/drivers/iommu/intel-iommu.c
> +++ b/drivers/iommu/intel-iommu.c
> @@ -1942,6 +1942,7 @@ 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];
> @@ -2064,6 +2065,7 @@ 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,
> @@ -2072,25 +2074,31 @@ 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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