From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lu Baolu Subject: [PATCH v4 08/12] iommu/vt-d: Pass pasid table to context mapping Date: Mon, 5 Nov 2018 13:31:47 +0800 Message-ID: <20181105053151.7173-9-baolu.lu@linux.intel.com> References: <20181105053151.7173-1-baolu.lu@linux.intel.com> Return-path: In-Reply-To: <20181105053151.7173-1-baolu.lu@linux.intel.com> Sender: linux-kernel-owner@vger.kernel.org To: Joerg Roedel , David Woodhouse Cc: ashok.raj@intel.com, sanjay.k.kumar@intel.com, jacob.jun.pan@intel.com, kevin.tian@intel.com, yi.l.liu@intel.com, yi.y.sun@intel.com, peterx@redhat.com, Jean-Philippe Brucker , iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org, Lu Baolu , Jacob Pan List-Id: iommu@lists.linux-foundation.org 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 Cc: Jacob Pan Cc: Kevin Tian Cc: Liu Yi L Signed-off-by: Lu Baolu Reviewed-by: Ashok Raj Reviewed-by: Kevin Tian --- 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