PCI_REG_BDFR_M
return (uint16_t)((*val & PCI_REG_BDFR_M) >> PCI_REG_FUNC_SHIFT);
*bdf = (regspec->pci_phys_hi & (PCI_REG_BDFR_M ^ PCI_REG_REG_M)) >> 8;
#define PCI_REG_BDFR_G(x) ((x) & PCI_REG_BDFR_M)
#define PCI_BDF_bits (PCI_REG_BDFR_M & ~PCI_REG_REG_M)
(offset & (PCI_REG_BDFR_M ^ PCI_REG_REG_M));