C++ (Cpp) l4vbus_pci_cfg_read Examples

Example #1

File: l4vpci.c Project: michas2/l4re-snapshot

int raw_pci_read(unsigned int domain, unsigned int bus,
                 unsigned int devfn, int reg, int len, u32 *value)
{
	l4_uint32_t df = (PCI_SLOT(devfn) << 16) | PCI_FUNC(devfn);
	return L4XV_FN_i(l4vbus_pci_cfg_read(vbus, root_bridge,
	                                     bus, df, reg, value, len * 8));
}

Example #2

File: l4vpci.c Project: michas2/l4re-snapshot

u16 read_pci_config_16(u8 bus, u8 slot, u8 func, u8 offset)
{
	u32 val;
	if (L4XV_FN_i(l4vbus_pci_cfg_read(vbus, root_bridge,
	                                  bus, (slot << 16) | func,
	                                  offset, &val, 16)))
		return 0;
	return val;
}

Example #3

static int pci_conf1_read(unsigned int seg, unsigned int bus,
                         unsigned int devfn, int reg, int len, u32 *value)
{
	l4_uint32_t df = (PCI_SLOT(devfn) << 16) | PCI_FUNC(devfn);
	int r;
	L4XV_V(f);
	L4XV_L(f);
	r = l4vbus_pci_cfg_read(vbus, root_bridge, bus, df, reg, value, len * 8);
	L4XV_U(f);
	return r;
}