diff options
Diffstat (limited to 'drivers/iommu/amd/amd_iommu.h')
| -rw-r--r-- | drivers/iommu/amd/amd_iommu.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/iommu/amd/amd_iommu.h b/drivers/iommu/amd/amd_iommu.h index 64c954e168d7..e73bd48fc716 100644 --- a/drivers/iommu/amd/amd_iommu.h +++ b/drivers/iommu/amd/amd_iommu.h @@ -115,6 +115,13 @@ void amd_iommu_domain_clr_pt_root(struct protection_domain *domain) amd_iommu_domain_set_pt_root(domain, 0); } +static inline int get_pci_sbdf_id(struct pci_dev *pdev) +{ + int seg = pci_domain_nr(pdev->bus); + u16 devid = pci_dev_id(pdev); + + return PCI_SEG_DEVID_TO_SBDF(seg, devid); +} extern bool translation_pre_enabled(struct amd_iommu *iommu); extern bool amd_iommu_is_attach_deferred(struct device *dev); |