Lines Matching refs:devfn
58 * @devfn: device in question
60 * Look for the fixed BAR cap on @bus and @devfn, returning its offset
63 static int fixed_bar_cap(struct pci_bus *bus, unsigned int devfn)
75 devfn, pos, 4, &pcie_cap))
84 devfn, pos + 4, 4, &cap_data);
95 static int pci_device_update_fixed(struct pci_bus *bus, unsigned int devfn,
108 raw_pci_ext_ops->read(domain, busnum, devfn,
131 return raw_pci_ext_ops->write(domain, busnum, devfn, reg, 4,
136 return raw_pci_ext_ops->write(domain, busnum, devfn, reg, len, val);
142 * @devfn: device & function in question
149 static bool type1_access_ok(unsigned int bus, unsigned int devfn, int reg)
161 if (bus == 0 && (devfn == PCI_DEVFN(2, 0)
162 || devfn == PCI_DEVFN(0, 0)
163 || devfn == PCI_DEVFN(3, 0)))
168 static int pci_read(struct pci_bus *bus, unsigned int devfn, int where,
171 if (type1_access_ok(bus->number, devfn, where))
173 devfn, where, size, value);
175 devfn, where, size, value);
178 static int pci_write(struct pci_bus *bus, unsigned int devfn, int where,
196 offset = fixed_bar_cap(bus, devfn);
199 return pci_device_update_fixed(bus, devfn, where, size, value,
208 if (type1_access_ok(bus->number, devfn, where))
210 devfn, where, size, value);
211 return raw_pci_ext_ops->write(pci_domain_nr(bus), bus->number, devfn,
324 if (type1_access_ok(dev->bus->number, dev->devfn, PCI_DEVICE_ID))
381 offset = fixed_bar_cap(dev->bus, dev->devfn);
382 if (!offset || PCI_DEVFN(2, 0) == dev->devfn ||
383 PCI_DEVFN(2, 2) == dev->devfn)