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;
}
