C++ (Cpp) pcibios_setup_root_windows Exemples

Exemple #1

Fichier : pci.c Projet : hugh-smtl/linux-2.6

struct pci_bus * __devinit
pci_acpi_scan_root(struct acpi_device *device, int domain, int bus)
{
	struct pci_root_info info;
	struct pci_controller *controller;
	unsigned int windows = 0;
	struct pci_bus *pbus;
	char *name;
	int pxm;

	controller = alloc_pci_controller(domain);
	if (!controller)
		goto out1;

	controller->acpi_handle = device->handle;

	pxm = acpi_get_pxm(controller->acpi_handle);
#ifdef CONFIG_NUMA
	if (pxm >= 0)
		controller->node = pxm_to_node(pxm);
#endif

	acpi_walk_resources(device->handle, METHOD_NAME__CRS, count_window,
			&windows);
	if (windows) {
		controller->window =
			kmalloc_node(sizeof(*controller->window) * windows,
				     GFP_KERNEL, controller->node);
		if (!controller->window)
			goto out2;
	}

	name = kmalloc(16, GFP_KERNEL);
	if (!name)
		goto out3;

	sprintf(name, "PCI Bus %04x:%02x", domain, bus);
	info.controller = controller;
	info.name = name;
	acpi_walk_resources(device->handle, METHOD_NAME__CRS, add_window,
			&info);
	/*
	 * See arch/x86/pci/acpi.c.
	 * The desired pci bus might already be scanned in a quirk. We
	 * should handle the case here, but it appears that IA64 hasn't
	 * such quirk. So we just ignore the case now.
	 */
	pbus = pci_scan_bus_parented(NULL, bus, &pci_root_ops, controller);
	if (pbus)
		pcibios_setup_root_windows(pbus, controller);

	return pbus;

out3:
	kfree(controller->window);
out2:
	kfree(controller);
out1:
	return NULL;
}

Exemple #2

Fichier : pci.c Projet : ivucica/linux

struct pci_bus * __devinit
pci_acpi_scan_root(struct acpi_device *device, int domain, int bus)
{
	struct pci_root_info info;
	struct pci_controller *controller;
	unsigned int windows = 0;
	struct pci_bus *pbus;
	char *name;
	int pxm;

	controller = alloc_pci_controller(domain);
	if (!controller)
		goto out1;

	controller->acpi_handle = device->handle;

	pxm = acpi_get_pxm(controller->acpi_handle);
#ifdef CONFIG_NUMA
	if (pxm >= 0)
		controller->node = pxm_to_node(pxm);
#endif

	acpi_walk_resources(device->handle, METHOD_NAME__CRS, count_window,
			&windows);
	controller->window = kmalloc_node(sizeof(*controller->window) * windows,
			GFP_KERNEL, controller->node);
	if (!controller->window)
		goto out2;

	name = kmalloc(16, GFP_KERNEL);
	if (!name)
		goto out3;

	sprintf(name, "PCI Bus %04x:%02x", domain, bus);
	info.controller = controller;
	info.name = name;
	acpi_walk_resources(device->handle, METHOD_NAME__CRS, add_window,
			&info);

	pbus = pci_scan_bus_parented(NULL, bus, &pci_root_ops, controller);
	if (pbus)
		pcibios_setup_root_windows(pbus, controller);

	return pbus;

out3:
	kfree(controller->window);
out2:
	kfree(controller);
out1:
	return NULL;
}