diff options
Diffstat (limited to 'drivers/iommu')
| -rw-r--r-- | drivers/iommu/amd_iommu.c | 10 | ||||
| -rw-r--r-- | drivers/iommu/intel-iommu.c | 3 |
2 files changed, 12 insertions, 1 deletions
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index 1d82b631d09c..6f7553684c1e 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -2776,11 +2776,19 @@ static int amd_iommu_domain_has_cap(struct iommu_domain *domain, static int amd_iommu_device_group(struct device *dev, unsigned int *groupid) { struct iommu_dev_data *dev_data = dev->archdata.iommu; + struct pci_dev *pdev = to_pci_dev(dev); + u16 devid; if (!dev_data) return -ENODEV; - *groupid = amd_iommu_alias_table[dev_data->devid]; + if (pdev->is_virtfn || !iommu_group_mf) + devid = dev_data->devid; + else + devid = calc_devid(pdev->bus->number, + PCI_DEVFN(PCI_SLOT(pdev->devfn), 0)); + + *groupid = amd_iommu_alias_table[devid]; return 0; } diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index 39ca6bb17e13..9ef16d664a99 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -4100,6 +4100,9 @@ static int intel_iommu_device_group(struct device *dev, unsigned int *groupid) } } + if (!pdev->is_virtfn && iommu_group_mf) + id.pci.devfn = PCI_DEVFN(PCI_SLOT(id.pci.devfn), 0); + *groupid = id.group; return 0; |