diff options
Diffstat (limited to 'drivers/iommu')
| -rw-r--r-- | drivers/iommu/intel-iommu.c | 17 |
1 files changed, 7 insertions, 10 deletions
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index aa8548c8a915..5c89eb7ae398 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -369,7 +369,6 @@ struct dmar_domain { struct device_domain_info { struct list_head link; /* link to domain siblings */ struct list_head global; /* link to global list */ - int segment; /* PCI domain */ u8 bus; /* PCI bus number */ u8 devfn; /* PCI devfn number */ struct device *dev; /* it's NULL for PCIe-to-PCI bridge */ @@ -2136,7 +2135,7 @@ dmar_search_domain_by_dev_info(int segment, int bus, int devfn) struct device_domain_info *info; list_for_each_entry(info, &device_domain_list, global) - if (info->segment == segment && info->bus == bus && + if (info->iommu->segment == segment && info->bus == bus && info->devfn == devfn) return info; @@ -2144,7 +2143,7 @@ dmar_search_domain_by_dev_info(int segment, int bus, int devfn) } static struct dmar_domain *dmar_insert_dev_info(struct intel_iommu *iommu, - int segment, int bus, int devfn, + int bus, int devfn, struct device *dev, struct dmar_domain *domain) { @@ -2156,7 +2155,6 @@ static struct dmar_domain *dmar_insert_dev_info(struct intel_iommu *iommu, if (!info) return NULL; - info->segment = segment; info->bus = bus; info->devfn = devfn; info->dev = dev; @@ -2170,7 +2168,7 @@ static struct dmar_domain *dmar_insert_dev_info(struct intel_iommu *iommu, found = find_domain(dev); else { struct device_domain_info *info2; - info2 = dmar_search_domain_by_dev_info(segment, bus, devfn); + info2 = dmar_search_domain_by_dev_info(iommu->segment, bus, devfn); if (info2) found = info2->domain; } @@ -2250,14 +2248,14 @@ static struct dmar_domain *get_domain_for_dev(struct pci_dev *pdev, int gaw) /* register pcie-to-pci device */ if (dev_tmp) { - domain = dmar_insert_dev_info(iommu, segment, bus, devfn, NULL, + domain = dmar_insert_dev_info(iommu, bus, devfn, NULL, domain); if (!domain) goto error; } found_domain: - domain = dmar_insert_dev_info(iommu, segment, pdev->bus->number, + domain = dmar_insert_dev_info(iommu, pdev->bus->number, pdev->devfn, &pdev->dev, domain); error: if (free != domain) @@ -2468,8 +2466,7 @@ static int domain_add_dev_info(struct dmar_domain *domain, if (!iommu) return -ENODEV; - ndomain = dmar_insert_dev_info(iommu, pci_domain_nr(pdev->bus), - pdev->bus->number, pdev->devfn, + ndomain = dmar_insert_dev_info(iommu, pdev->bus->number, pdev->devfn, &pdev->dev, domain); if (ndomain != domain) return -EBUSY; @@ -4031,7 +4028,7 @@ static void domain_remove_one_dev_info(struct dmar_domain *domain, spin_lock_irqsave(&device_domain_lock, flags); list_for_each_entry_safe(info, tmp, &domain->devices, link) { - if (info->segment == pci_domain_nr(pdev->bus) && + if (info->iommu->segment == pci_domain_nr(pdev->bus) && info->bus == pdev->bus->number && info->devfn == pdev->devfn) { unlink_domain_info(info); |