21 static inline char __iomem *pci_dev_base(unsigned int seg, unsigned int bus, unsigned int devfn)  in pci_dev_base()  argument
23 	struct pci_mmcfg_region *cfg = pci_mmconfig_lookup(seg, bus);  in pci_dev_base()
26 		return cfg->virt + (PCI_MMCFG_BUS_OFFSET(bus) | (devfn << 12));  in pci_dev_base()
30 static int pci_mmcfg_read_numachip(unsigned int seg, unsigned int bus,  in pci_mmcfg_read_numachip()  argument
36 	if (unlikely((bus > 255) || (devfn > 255) || (reg > 4095))) {  in pci_mmcfg_read_numachip()
42 	if (unlikely(bus == 0 && devfn >= limit)) {  in pci_mmcfg_read_numachip()
48 	addr = pci_dev_base(seg, bus, devfn);  in pci_mmcfg_read_numachip()
70 static int pci_mmcfg_write_numachip(unsigned int seg, unsigned int bus,  in pci_mmcfg_write_numachip()  argument
76 	if (unlikely((bus > 255) || (devfn > 255) || (reg > 4095)))  in pci_mmcfg_write_numachip()
80 	if (unlikely(bus == 0 && devfn >= limit))  in pci_mmcfg_write_numachip()
84 	addr = pci_dev_base(seg, bus, devfn);  in pci_mmcfg_write_numachip()