Lines Matching defs:bus
19 static inline char __iomem *pci_dev_base(unsigned int seg, unsigned int bus, unsigned int devfn)
21 struct pci_mmcfg_region *cfg = pci_mmconfig_lookup(seg, bus);
24 return cfg->virt + (PCI_MMCFG_BUS_OFFSET(bus) | (devfn << 12));
28 static int pci_mmcfg_read_numachip(unsigned int seg, unsigned int bus,
34 if (unlikely((bus > 255) || (devfn > 255) || (reg > 4095))) {
40 if (unlikely(bus == 0 && devfn >= limit)) {
46 addr = pci_dev_base(seg, bus, devfn);
68 static int pci_mmcfg_write_numachip(unsigned int seg, unsigned int bus,
74 if (unlikely((bus > 255) || (devfn > 255) || (reg > 4095)))
78 if (unlikely(bus == 0 && devfn >= limit))
82 addr = pci_dev_base(seg, bus, devfn);
114 /* For remote I/O, restrict bus 0 access to the actual number of AMD