512 static void pbus_assign_resources_sorted(const struct pci_bus *bus,  in pbus_assign_resources_sorted()  argument
519 	list_for_each_entry(dev, &bus->devices, bus_list)  in pbus_assign_resources_sorted()
525 void pci_setup_cardbus(struct pci_bus *bus)  in pci_setup_cardbus()  argument
527 	struct pci_dev *bridge = bus->self;  in pci_setup_cardbus()
532 		 &bus->busn_res);  in pci_setup_cardbus()
534 	res = bus->resource[0];  in pci_setup_cardbus()
535 	pcibios_resource_to_bus(bridge->bus, &region, res);  in pci_setup_cardbus()
548 	res = bus->resource[1];  in pci_setup_cardbus()
549 	pcibios_resource_to_bus(bridge->bus, &region, res);  in pci_setup_cardbus()
558 	res = bus->resource[2];  in pci_setup_cardbus()
559 	pcibios_resource_to_bus(bridge->bus, &region, res);  in pci_setup_cardbus()
568 	res = bus->resource[3];  in pci_setup_cardbus()
569 	pcibios_resource_to_bus(bridge->bus, &region, res);  in pci_setup_cardbus()
606 	pcibios_resource_to_bus(bridge->bus, &region, res);  in pci_setup_bridge_io()
636 	pcibios_resource_to_bus(bridge->bus, &region, res);  in pci_setup_bridge_mmio()
661 	pcibios_resource_to_bus(bridge->bus, &region, res);  in pci_setup_bridge_mmio_pref()
680 static void __pci_setup_bridge(struct pci_bus *bus, unsigned long type)  in __pci_setup_bridge()  argument
682 	struct pci_dev *bridge = bus->self;  in __pci_setup_bridge()
685 		 &bus->busn_res);  in __pci_setup_bridge()
696 	pci_write_config_word(bridge, PCI_BRIDGE_CONTROL, bus->bridge_ctl);  in __pci_setup_bridge()
699 void pci_setup_bridge(struct pci_bus *bus)  in pci_setup_bridge()  argument
704 	__pci_setup_bridge(bus, type);  in pci_setup_bridge()
745 static void pci_bridge_check_ranges(struct pci_bus *bus)  in pci_bridge_check_ranges()  argument
749 	struct pci_dev *bridge = bus->self;  in pci_bridge_check_ranges()
805 static struct resource *find_free_bus_resource(struct pci_bus *bus,  in find_free_bus_resource()  argument
811 	pci_bus_for_each_resource(bus, r, i) {  in find_free_bus_resource()
857 resource_size_t __weak pcibios_window_alignment(struct pci_bus *bus,  in pcibios_window_alignment()  argument
867 static resource_size_t window_alignment(struct pci_bus *bus,  in window_alignment()  argument
879 		if (bus->self->io_window_1k)  in window_alignment()
885 	arch_align = pcibios_window_alignment(bus, type);  in window_alignment()
902 static void pbus_size_io(struct pci_bus *bus, resource_size_t min_size,  in pbus_size_io()  argument
906 	struct resource *b_res = find_free_bus_resource(bus, IORESOURCE_IO,  in pbus_size_io()
915 	min_align = window_alignment(bus, IORESOURCE_IO);  in pbus_size_io()
916 	list_for_each_entry(dev, &bus->devices, bus_list) {  in pbus_size_io()
951 			dev_info(&bus->self->dev, "disabling bridge window %pR to %pR (unused)\n",  in pbus_size_io()
952 				 b_res, &bus->busn_res);  in pbus_size_io()
961 		add_to_list(realloc_head, bus->self, b_res, size1-size0,  in pbus_size_io()
963 		dev_printk(KERN_DEBUG, &bus->self->dev, "bridge window %pR to %pR add_size %llx\n",  in pbus_size_io()
964 			   b_res, &bus->busn_res,  in pbus_size_io()
1010 static int pbus_size_mem(struct pci_bus *bus, unsigned long mask,  in pbus_size_mem()  argument
1020 	struct resource *b_res = find_free_bus_resource(bus,  in pbus_size_mem()
1033 	list_for_each_entry(dev, &bus->devices, bus_list) {  in pbus_size_mem()
1090 	min_align = max(min_align, window_alignment(bus, b_res->flags));  in pbus_size_mem()
1100 			dev_info(&bus->self->dev, "disabling bridge window %pR to %pR (unused)\n",  in pbus_size_mem()
1101 				 b_res, &bus->busn_res);  in pbus_size_mem()
1109 		add_to_list(realloc_head, bus->self, b_res, size1-size0, add_align);  in pbus_size_mem()
1110 		dev_printk(KERN_DEBUG, &bus->self->dev, "bridge window %pR to %pR add_size %llx add_align %llx\n",  in pbus_size_mem()
1111 			   b_res, &bus->busn_res,  in pbus_size_mem()
1127 static void pci_bus_size_cardbus(struct pci_bus *bus,  in pci_bus_size_cardbus()  argument
1130 	struct pci_dev *bridge = bus->self;  in pci_bus_size_cardbus()
1220 void __pci_bus_size_bridges(struct pci_bus *bus, struct list_head *realloc_head)  in __pci_bus_size_bridges()  argument
1228 	list_for_each_entry(dev, &bus->devices, bus_list) {  in __pci_bus_size_bridges()
1246 	if (pci_is_root_bus(bus))  in __pci_bus_size_bridges()
1249 	switch (bus->self->class >> 8) {  in __pci_bus_size_bridges()
1255 		pci_bridge_check_ranges(bus);  in __pci_bus_size_bridges()
1256 		if (bus->self->is_hotplug_bridge) {  in __pci_bus_size_bridges()
1262 		pbus_size_io(bus, realloc_head ? 0 : additional_io_size,  in __pci_bus_size_bridges()
1270 		b_res = &bus->self->resource[PCI_BRIDGE_RESOURCES];  in __pci_bus_size_bridges()
1275 			ret = pbus_size_mem(bus, prefmask, prefmask,  in __pci_bus_size_bridges()
1299 			ret = pbus_size_mem(bus, prefmask, prefmask,  in __pci_bus_size_bridges()
1331 		pbus_size_mem(bus, mask, IORESOURCE_MEM, type2, type3,  in __pci_bus_size_bridges()
1338 void pci_bus_size_bridges(struct pci_bus *bus)  in pci_bus_size_bridges()  argument
1340 	__pci_bus_size_bridges(bus, NULL);  in pci_bus_size_bridges()
1377 		b = dev->bus;  in pdev_assign_fixed_resources()
1385 void __pci_bus_assign_resources(const struct pci_bus *bus,  in __pci_bus_assign_resources()  argument
1392 	pbus_assign_resources_sorted(bus, realloc_head, fail_head);  in __pci_bus_assign_resources()
1394 	list_for_each_entry(dev, &bus->devices, bus_list) {  in __pci_bus_assign_resources()
1421 void pci_bus_assign_resources(const struct pci_bus *bus)  in pci_bus_assign_resources()  argument
1423 	__pci_bus_assign_resources(bus, NULL, NULL);  in pci_bus_assign_resources()
1457 static void pci_bridge_release_resources(struct pci_bus *bus,  in pci_bridge_release_resources()  argument
1460 	struct pci_dev *dev = bus->self;  in pci_bridge_release_resources()
1517 		__pci_setup_bridge(bus, type);  in pci_bridge_release_resources()
1531 static void pci_bus_release_bridge_resources(struct pci_bus *bus,  in pci_bus_release_bridge_resources()  argument
1538 	list_for_each_entry(dev, &bus->devices, bus_list) {  in pci_bus_release_bridge_resources()
1553 	if (pci_is_root_bus(bus))  in pci_bus_release_bridge_resources()
1556 	if ((bus->self->class >> 8) != PCI_CLASS_BRIDGE_PCI)  in pci_bus_release_bridge_resources()
1560 		pci_bridge_release_resources(bus, type);  in pci_bus_release_bridge_resources()
1563 static void pci_bus_dump_res(struct pci_bus *bus)  in pci_bus_dump_res()  argument
1568 	pci_bus_for_each_resource(bus, res, i) {  in pci_bus_dump_res()
1572 		dev_printk(KERN_DEBUG, &bus->dev, "resource %d %pR\n", i, res);  in pci_bus_dump_res()
1576 static void pci_bus_dump_resources(struct pci_bus *bus)  in pci_bus_dump_resources()  argument
1582 	pci_bus_dump_res(bus);  in pci_bus_dump_resources()
1584 	list_for_each_entry(dev, &bus->devices, bus_list) {  in pci_bus_dump_resources()
1593 static int pci_bus_get_depth(struct pci_bus *bus)  in pci_bus_get_depth()  argument
1598 	list_for_each_entry(child_bus, &bus->children, node) {  in pci_bus_get_depth()
1651 		pcibios_resource_to_bus(dev->bus, &region, r);  in iov_resources_unassigned()
1661 static enum enable_type pci_realloc_detect(struct pci_bus *bus,  in pci_realloc_detect()  argument
1669 	pci_walk_bus(bus, iov_resources_unassigned, &unassigned);  in pci_realloc_detect()
1676 static enum enable_type pci_realloc_detect(struct pci_bus *bus,  in pci_realloc_detect()  argument
1688 void pci_assign_unassigned_root_bus_resources(struct pci_bus *bus)  in pci_assign_unassigned_root_bus_resources()  argument
1703 	enable_local = pci_realloc_detect(bus, pci_realloc_enable);  in pci_assign_unassigned_root_bus_resources()
1705 		int max_depth = pci_bus_get_depth(bus);  in pci_assign_unassigned_root_bus_resources()
1708 		dev_printk(KERN_DEBUG, &bus->dev,  in pci_assign_unassigned_root_bus_resources()
1722 	__pci_bus_size_bridges(bus, add_list);  in pci_assign_unassigned_root_bus_resources()
1725 	__pci_bus_assign_resources(bus, add_list, &fail_head);  in pci_assign_unassigned_root_bus_resources()
1736 			dev_info(&bus->dev, "Some PCI device resources are unassigned, try booting with pci=realloc\n");  in pci_assign_unassigned_root_bus_resources()
1738 …dev_info(&bus->dev, "Automatically enabled pci realloc, if you have problem, try booting with pci=…  in pci_assign_unassigned_root_bus_resources()
1744 	dev_printk(KERN_DEBUG, &bus->dev,  in pci_assign_unassigned_root_bus_resources()
1756 		pci_bus_release_bridge_resources(fail_res->dev->bus,  in pci_assign_unassigned_root_bus_resources()
1776 	pci_bus_dump_resources(bus);  in pci_assign_unassigned_root_bus_resources()
1822 		pci_bus_release_bridge_resources(fail_res->dev->bus,  in pci_assign_unassigned_bridge_resources()
1848 void pci_assign_unassigned_bus_resources(struct pci_bus *bus)  in pci_assign_unassigned_bus_resources()  argument
1855 	list_for_each_entry(dev, &bus->devices, bus_list)  in pci_assign_unassigned_bus_resources()
1860 	__pci_bus_assign_resources(bus, &add_list, NULL);  in pci_assign_unassigned_bus_resources()