diff options
Diffstat (limited to 'drivers/iommu/amd/amd_iommu_types.h')
-rw-r--r-- | drivers/iommu/amd/amd_iommu_types.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/iommu/amd/amd_iommu_types.h b/drivers/iommu/amd/amd_iommu_types.h index 65b02e2ae28f..ea238e8e6c99 100644 --- a/drivers/iommu/amd/amd_iommu_types.h +++ b/drivers/iommu/amd/amd_iommu_types.h @@ -456,6 +456,8 @@ extern struct kmem_cache *amd_iommu_irq_cache; #define PCI_SBDF_TO_SEGID(sbdf) (((sbdf) >> 16) & 0xffff) #define PCI_SBDF_TO_DEVID(sbdf) ((sbdf) & 0xffff) +#define PCI_SEG_DEVID_TO_SBDF(seg, devid) ((((u32)(seg) & 0xffff) << 16) | \ + ((devid) & 0xffff)) /* Make iterating over all pci segment easier */ #define for_each_pci_segment(pci_seg) \ |