35 static void __init pci_mmconfig_remove(struct pci_mmcfg_region *cfg)  in pci_mmconfig_remove()  argument
37 	if (cfg->res.parent)  in pci_mmconfig_remove()
38 		release_resource(&cfg->res);  in pci_mmconfig_remove()
39 	list_del(&cfg->list);  in pci_mmconfig_remove()
40 	kfree(cfg);  in pci_mmconfig_remove()
45 	struct pci_mmcfg_region *cfg, *tmp;  in free_all_mmcfg()  local
48 	list_for_each_entry_safe(cfg, tmp, &pci_mmcfg_list, list)  in free_all_mmcfg()
49 		pci_mmconfig_remove(cfg);  in free_all_mmcfg()
54 	struct pci_mmcfg_region *cfg;  in list_add_sorted()  local
57 	list_for_each_entry_rcu(cfg, &pci_mmcfg_list, list) {  in list_add_sorted()
58 		if (cfg->segment > new->segment ||  in list_add_sorted()
59 		    (cfg->segment == new->segment &&  in list_add_sorted()
60 		     cfg->start_bus >= new->start_bus)) {  in list_add_sorted()
61 			list_add_tail_rcu(&new->list, &cfg->list);  in list_add_sorted()
119 	struct pci_mmcfg_region *cfg;  in pci_mmconfig_lookup()  local
121 	list_for_each_entry_rcu(cfg, &pci_mmcfg_list, list)  in pci_mmconfig_lookup()
122 		if (cfg->segment == segment &&  in pci_mmconfig_lookup()
123 		    cfg->start_bus <= bus && bus <= cfg->end_bus)  in pci_mmconfig_lookup()
124 			return cfg;  in pci_mmconfig_lookup()
325 	struct pci_mmcfg_region *cfg, *cfgx;  in pci_mmcfg_check_end_bus_number()  local
328 	list_for_each_entry(cfg, &pci_mmcfg_list, list) {  in pci_mmcfg_check_end_bus_number()
329 		if (cfg->end_bus < cfg->start_bus)  in pci_mmcfg_check_end_bus_number()
330 			cfg->end_bus = 255;  in pci_mmcfg_check_end_bus_number()
333 		if (cfg->list.next == &pci_mmcfg_list)  in pci_mmcfg_check_end_bus_number()
336 		cfgx = list_entry(cfg->list.next, typeof(*cfg), list);  in pci_mmcfg_check_end_bus_number()
337 		if (cfg->end_bus >= cfgx->start_bus)  in pci_mmcfg_check_end_bus_number()
338 			cfg->end_bus = cfgx->start_bus - 1;  in pci_mmcfg_check_end_bus_number()
447 				     struct pci_mmcfg_region *cfg,  in is_mmconf_reserved()  argument
450 	u64 addr = cfg->res.start;  in is_mmconf_reserved()
451 	u64 size = resource_size(&cfg->res);  in is_mmconf_reserved()
467 			 &cfg->res, method);  in is_mmconf_reserved()
470 		       &cfg->res, method);  in is_mmconf_reserved()
474 		cfg->end_bus = cfg->start_bus + ((size>>20) - 1);  in is_mmconf_reserved()
475 		num_buses = cfg->end_bus - cfg->start_bus + 1;  in is_mmconf_reserved()
476 		cfg->res.end = cfg->res.start +  in is_mmconf_reserved()
478 		snprintf(cfg->name, PCI_MMCFG_RESOURCE_NAME_LEN,  in is_mmconf_reserved()
480 			 cfg->segment, cfg->start_bus, cfg->end_bus);  in is_mmconf_reserved()
486 				&cfg->res, (unsigned long) cfg->address);  in is_mmconf_reserved()
491 				cfg->segment, cfg->start_bus, cfg->end_bus,  in is_mmconf_reserved()
492 				&cfg->res, (unsigned long) cfg->address);  in is_mmconf_reserved()
499 pci_mmcfg_check_reserved(struct device *dev, struct pci_mmcfg_region *cfg, int early)  in pci_mmcfg_check_reserved()  argument
502 		if (is_mmconf_reserved(is_acpi_reserved, cfg, dev, 0))  in pci_mmcfg_check_reserved()
509 				 &cfg->res);  in pci_mmcfg_check_reserved()
514 			       &cfg->res);  in pci_mmcfg_check_reserved()
529 		return is_mmconf_reserved(e820__mapped_all, cfg, dev, 1);  in pci_mmcfg_check_reserved()
536 	struct pci_mmcfg_region *cfg;  in pci_mmcfg_reject_broken()  local
538 	list_for_each_entry(cfg, &pci_mmcfg_list, list) {  in pci_mmcfg_reject_broken()
539 		if (pci_mmcfg_check_reserved(NULL, cfg, early) == 0) {  in pci_mmcfg_reject_broken()
548 					struct acpi_mcfg_allocation *cfg)  in acpi_mcfg_check_entry()  argument
552 	if (cfg->address < 0xFFFFFFFF)  in acpi_mcfg_check_entry()
565 	       "is above 4GB, ignored\n", cfg->pci_segment,  in acpi_mcfg_check_entry()
566 	       cfg->start_bus_number, cfg->end_bus_number, cfg->address);  in acpi_mcfg_check_entry()
573 	struct acpi_mcfg_allocation *cfg_table, *cfg;  in pci_parse_mcfg()  local
597 		cfg = &cfg_table[i];  in pci_parse_mcfg()
598 		if (acpi_mcfg_check_entry(mcfg, cfg)) {  in pci_parse_mcfg()
603 		if (pci_mmconfig_add(cfg->pci_segment, cfg->start_bus_number,  in pci_parse_mcfg()
604 				   cfg->end_bus_number, cfg->address) == NULL) {  in pci_parse_mcfg()
621 	struct pci_mmcfg_region *cfg;  in pci_mmcfg_for_each_region()  local
627 	list_for_each_entry(cfg, &pci_mmcfg_list, list) {  in pci_mmcfg_for_each_region()
628 		rc = func(cfg->res.start, resource_size(&cfg->res), data);  in pci_mmcfg_for_each_region()
647 		const struct pci_mmcfg_region *cfg;  in __pci_mmcfg_init()  local
649 		list_for_each_entry(cfg, &pci_mmcfg_list, list) {  in __pci_mmcfg_init()
650 			if (cfg->segment)  in __pci_mmcfg_init()
652 			pcibios_last_bus = cfg->end_bus;  in __pci_mmcfg_init()
697 	struct pci_mmcfg_region *cfg;  in pci_mmcfg_late_insert_resources()  local
710 	list_for_each_entry(cfg, &pci_mmcfg_list, list)  in pci_mmcfg_late_insert_resources()
711 		if (!cfg->res.parent)  in pci_mmcfg_late_insert_resources()
712 			insert_resource(&iomem_resource, &cfg->res);  in pci_mmcfg_late_insert_resources()
730 	struct pci_mmcfg_region *cfg;  in pci_mmconfig_insert()  local
739 	cfg = pci_mmconfig_lookup(seg, start);  in pci_mmconfig_insert()
740 	if (cfg) {  in pci_mmconfig_insert()
741 		if (cfg->end_bus < end)  in pci_mmconfig_insert()
746 				  cfg->segment, cfg->start_bus, cfg->end_bus);  in pci_mmconfig_insert()
757 	cfg = pci_mmconfig_alloc(seg, start, end, addr);  in pci_mmconfig_insert()
758 	if (cfg == NULL) {  in pci_mmconfig_insert()
761 	} else if (!pci_mmcfg_check_reserved(dev, cfg, 0)) {  in pci_mmconfig_insert()
763 			 &cfg->res);  in pci_mmconfig_insert()
768 						       &cfg->res);  in pci_mmconfig_insert()
774 				 &cfg->res, tmp->name, tmp);  in pci_mmconfig_insert()
775 		} else if (pci_mmcfg_arch_map(cfg)) {  in pci_mmconfig_insert()
777 				 &cfg->res);  in pci_mmconfig_insert()
779 			list_add_sorted(cfg);  in pci_mmconfig_insert()
781 				 &cfg->res, (unsigned long)addr);  in pci_mmconfig_insert()
782 			cfg = NULL;  in pci_mmconfig_insert()
787 	if (cfg) {  in pci_mmconfig_insert()
788 		if (cfg->res.parent)  in pci_mmconfig_insert()
789 			release_resource(&cfg->res);  in pci_mmconfig_insert()
790 		kfree(cfg);  in pci_mmconfig_insert()
801 	struct pci_mmcfg_region *cfg;  in pci_mmconfig_delete()  local
804 	list_for_each_entry_rcu(cfg, &pci_mmcfg_list, list)  in pci_mmconfig_delete()
805 		if (cfg->segment == seg && cfg->start_bus == start &&  in pci_mmconfig_delete()
806 		    cfg->end_bus == end) {  in pci_mmconfig_delete()
807 			list_del_rcu(&cfg->list);  in pci_mmconfig_delete()
809 			pci_mmcfg_arch_unmap(cfg);  in pci_mmconfig_delete()
810 			if (cfg->res.parent)  in pci_mmconfig_delete()
811 				release_resource(&cfg->res);  in pci_mmconfig_delete()
813 			kfree(cfg);  in pci_mmconfig_delete()