diff options
Diffstat (limited to 'src/include/device/pci_def.h')
-rw-r--r-- | src/include/device/pci_def.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/include/device/pci_def.h b/src/include/device/pci_def.h index ac20659f10..dae4e685b5 100644 --- a/src/include/device/pci_def.h +++ b/src/include/device/pci_def.h @@ -474,4 +474,8 @@ #define PCI_FUNC(devfn) ((devfn) & 0x07) #define PCI_BDF(bus,dev,func) ((bus) << 16 | (dev) << 11 | (func) << 8) +/* Translation from PCI_DEV() to devicetree bus and path.pci.devfn. */ +#define PCI_DEV2DEVFN(sdev) (((sdev)>>12) & 0xff) +#define PCI_DEV2SEGBUS(sdev) (((sdev)>>20) & 0xfff) + #endif /* PCI_DEF_H */ |