static int pci_sal_write (int seg, int bus, int dev, int fn, int reg, int len, u32 value) { if ((seg > 255) || (bus > 255) || (dev > 31) || (fn > 7) || (reg > 255)) return -EINVAL; return ia64_sal_pci_config_write(PCI_SAL_ADDRESS(seg, bus, dev, fn, reg), len, value); }
static int pci_sal_read (int seg, int bus, int dev, int fn, int reg, int len, u32 *value) { int result = 0; u64 data = 0; if (!value || (seg > 255) || (bus > 255) || (dev > 31) || (fn > 7) || (reg > 255)) return -EINVAL; result = ia64_sal_pci_config_read(PCI_SAL_ADDRESS(seg, bus, dev, fn, reg), len, &data); *value = (u32) data; return result; }
int raw_pci_write(unsigned int seg, unsigned int bus, unsigned int devfn, int reg, int len, u32 value) { u64 addr; int mode, result; if ((seg > 65535) || (bus > 255) || (devfn > 255) || (reg > 4095)) return -EINVAL; if ((seg | reg) <= 255) { addr = PCI_SAL_ADDRESS(seg, bus, devfn, reg); mode = 0; } else { addr = PCI_SAL_EXT_ADDRESS(seg, bus, devfn, reg); mode = 1; } result = ia64_sal_pci_config_write(addr, mode, len, value); if (result != 0) return -EINVAL; return 0; }
int raw_pci_read(unsigned int seg, unsigned int bus, unsigned int devfn, int reg, int len, u32 *value) { u64 addr, data = 0; int mode, result; if (!value || (seg > 65535) || (bus > 255) || (devfn > 255) || (reg > 4095)) return -EINVAL; if ((seg | reg) <= 255) { addr = PCI_SAL_ADDRESS(seg, bus, devfn, reg); mode = 0; } else { addr = PCI_SAL_EXT_ADDRESS(seg, bus, devfn, reg); mode = 1; } result = ia64_sal_pci_config_read(addr, mode, len, &data); if (result != 0) return -EINVAL; *value = (u32) data; return 0; }