37 static void __init pci_mmconfig_remove(struct pci_mmcfg_region *cfg)  in pci_mmconfig_remove()  argument
39 	if (cfg->res.parent)  in pci_mmconfig_remove()
40 		release_resource(&cfg->res);  in pci_mmconfig_remove()
41 	list_del(&cfg->list);  in pci_mmconfig_remove()
42 	kfree(cfg);  in pci_mmconfig_remove()
47 	struct pci_mmcfg_region *cfg, *tmp;  in free_all_mmcfg()  local
50 	list_for_each_entry_safe(cfg, tmp, &pci_mmcfg_list, list)  in free_all_mmcfg()
51 		pci_mmconfig_remove(cfg);  in free_all_mmcfg()
56 	struct pci_mmcfg_region *cfg;  in list_add_sorted()  local
59 	list_for_each_entry_rcu(cfg, &pci_mmcfg_list, list, pci_mmcfg_lock_held()) {  in list_add_sorted()
60 		if (cfg->segment > new->segment ||  in list_add_sorted()
61 		    (cfg->segment == new->segment &&  in list_add_sorted()
62 		     cfg->start_bus >= new->start_bus)) {  in list_add_sorted()
63 			list_add_tail_rcu(&new->list, &cfg->list);  in list_add_sorted()
120 	struct pci_mmcfg_region *cfg;  in pci_mmconfig_lookup()  local
122 	list_for_each_entry_rcu(cfg, &pci_mmcfg_list, list, pci_mmcfg_lock_held())  in pci_mmconfig_lookup()
123 		if (cfg->segment == segment &&  in pci_mmconfig_lookup()
124 		    cfg->start_bus <= bus && bus <= cfg->end_bus)  in pci_mmconfig_lookup()
125 			return cfg;  in pci_mmconfig_lookup()
326 	struct pci_mmcfg_region *cfg, *cfgx;  in pci_mmcfg_check_end_bus_number()  local
329 	list_for_each_entry(cfg, &pci_mmcfg_list, list) {  in pci_mmcfg_check_end_bus_number()
330 		if (cfg->end_bus < cfg->start_bus)  in pci_mmcfg_check_end_bus_number()
331 			cfg->end_bus = 255;  in pci_mmcfg_check_end_bus_number()
334 		if (cfg->list.next == &pci_mmcfg_list)  in pci_mmcfg_check_end_bus_number()
337 		cfgx = list_entry(cfg->list.next, typeof(*cfg), list);  in pci_mmcfg_check_end_bus_number()
338 		if (cfg->end_bus >= cfgx->start_bus)  in pci_mmcfg_check_end_bus_number()
339 			cfg->end_bus = cfgx->start_bus - 1;  in pci_mmcfg_check_end_bus_number()
471 				     struct pci_mmcfg_region *cfg,  in is_mmconf_reserved()  argument
474 	u64 addr = cfg->res.start;  in is_mmconf_reserved()
475 	u64 size = resource_size(&cfg->res);  in is_mmconf_reserved()
490 			 &cfg->res, method);  in is_mmconf_reserved()
492 		pr_info("ECAM %pR reserved as %s\n", &cfg->res, method);  in is_mmconf_reserved()
496 		cfg->end_bus = cfg->start_bus + ((size>>20) - 1);  in is_mmconf_reserved()
497 		num_buses = cfg->end_bus - cfg->start_bus + 1;  in is_mmconf_reserved()
498 		cfg->res.end = cfg->res.start +  in is_mmconf_reserved()
500 		snprintf(cfg->name, PCI_MMCFG_RESOURCE_NAME_LEN,  in is_mmconf_reserved()
502 			 cfg->segment, cfg->start_bus, cfg->end_bus);  in is_mmconf_reserved()
506 				 &cfg->res, (unsigned long) cfg->address);  in is_mmconf_reserved()
509 				&cfg->res, (unsigned long) cfg->address,  in is_mmconf_reserved()
510 				cfg->segment, cfg->start_bus, cfg->end_bus);  in is_mmconf_reserved()
517 				     struct pci_mmcfg_region *cfg, int early)  in pci_mmcfg_reserved()  argument
542 			return is_mmconf_reserved(e820__mapped_all, cfg, dev,  in pci_mmcfg_reserved()
549 		if (is_mmconf_reserved(is_acpi_reserved, cfg, dev,  in pci_mmcfg_reserved()
555 				 &cfg->res);  in pci_mmcfg_reserved()
558 			        &cfg->res);  in pci_mmcfg_reserved()
560 		if (is_efi_mmio(&cfg->res)) {  in pci_mmcfg_reserved()
562 				&cfg->res);  in pci_mmcfg_reserved()
564 							    &cfg->res);  in pci_mmcfg_reserved()
567 					&cfg->res, conflict->name, conflict);  in pci_mmcfg_reserved()
570 					&cfg->res);  in pci_mmcfg_reserved()
586 	struct pci_mmcfg_region *cfg;  in pci_mmcfg_reject_broken()  local
588 	list_for_each_entry(cfg, &pci_mmcfg_list, list) {  in pci_mmcfg_reject_broken()
589 		if (!pci_mmcfg_reserved(NULL, cfg, early)) {  in pci_mmcfg_reject_broken()
591 				&cfg->res);  in pci_mmcfg_reject_broken()
599 					 struct acpi_mcfg_allocation *cfg)  in acpi_mcfg_valid_entry()  argument
601 	if (cfg->address < 0xFFFFFFFF)  in acpi_mcfg_valid_entry()
611 	       cfg->address, cfg->pci_segment, cfg->start_bus_number,  in acpi_mcfg_valid_entry()
612 	       cfg->end_bus_number);  in acpi_mcfg_valid_entry()
619 	struct acpi_mcfg_allocation *cfg_table, *cfg;  in pci_parse_mcfg()  local
643 		cfg = &cfg_table[i];  in pci_parse_mcfg()
644 		if (!acpi_mcfg_valid_entry(mcfg, cfg)) {  in pci_parse_mcfg()
649 		if (pci_mmconfig_add(cfg->pci_segment, cfg->start_bus_number,  in pci_parse_mcfg()
650 				   cfg->end_bus_number, cfg->address) == NULL) {  in pci_parse_mcfg()
667 	struct pci_mmcfg_region *cfg;  in pci_mmcfg_for_each_region()  local
673 	list_for_each_entry(cfg, &pci_mmcfg_list, list) {  in pci_mmcfg_for_each_region()
674 		rc = func(cfg->res.start, resource_size(&cfg->res), data);  in pci_mmcfg_for_each_region()
695 		const struct pci_mmcfg_region *cfg;  in __pci_mmcfg_init()  local
697 		list_for_each_entry(cfg, &pci_mmcfg_list, list) {  in __pci_mmcfg_init()
698 			if (cfg->segment)  in __pci_mmcfg_init()
700 			pcibios_last_bus = cfg->end_bus;  in __pci_mmcfg_init()
749 	struct pci_mmcfg_region *cfg;  in pci_mmcfg_late_insert_resources()  local
764 	list_for_each_entry(cfg, &pci_mmcfg_list, list) {  in pci_mmcfg_late_insert_resources()
765 		if (!cfg->res.parent) {  in pci_mmcfg_late_insert_resources()
766 			pr_debug("%s() insert %pR\n", __func__, &cfg->res);  in pci_mmcfg_late_insert_resources()
767 			insert_resource(&iomem_resource, &cfg->res);  in pci_mmcfg_late_insert_resources()
787 	struct pci_mmcfg_region *cfg;  in pci_mmconfig_insert()  local
798 	cfg = pci_mmconfig_lookup(seg, start);  in pci_mmconfig_insert()
799 	if (cfg) {  in pci_mmconfig_insert()
800 		if (cfg->end_bus < end)  in pci_mmconfig_insert()
802 				 &cfg->res, cfg->segment, cfg->start_bus,  in pci_mmconfig_insert()
803 				 cfg->end_bus);  in pci_mmconfig_insert()
818 	cfg = pci_mmconfig_alloc(seg, start, end, addr);  in pci_mmconfig_insert()
819 	if (cfg == NULL) {  in pci_mmconfig_insert()
822 	} else if (!pci_mmcfg_reserved(dev, cfg, 0)) {  in pci_mmconfig_insert()
824 			 &cfg->res);  in pci_mmconfig_insert()
829 						       &cfg->res);  in pci_mmconfig_insert()
833 				 &cfg->res, tmp->name, tmp);  in pci_mmconfig_insert()
834 		} else if (pci_mmcfg_arch_map(cfg)) {  in pci_mmconfig_insert()
835 			dev_warn(dev, "fail to map ECAM %pR\n", &cfg->res);  in pci_mmconfig_insert()
837 			list_add_sorted(cfg);  in pci_mmconfig_insert()
839 				 &cfg->res, (unsigned long)addr);  in pci_mmconfig_insert()
840 			cfg = NULL;  in pci_mmconfig_insert()
845 	if (cfg) {  in pci_mmconfig_insert()
846 		if (cfg->res.parent)  in pci_mmconfig_insert()
847 			release_resource(&cfg->res);  in pci_mmconfig_insert()
848 		kfree(cfg);  in pci_mmconfig_insert()
859 	struct pci_mmcfg_region *cfg;  in pci_mmconfig_delete()  local
862 	list_for_each_entry_rcu(cfg, &pci_mmcfg_list, list)  in pci_mmconfig_delete()
863 		if (cfg->segment == seg && cfg->start_bus == start &&  in pci_mmconfig_delete()
864 		    cfg->end_bus == end) {  in pci_mmconfig_delete()
865 			list_del_rcu(&cfg->list);  in pci_mmconfig_delete()
867 			pci_mmcfg_arch_unmap(cfg);  in pci_mmconfig_delete()
868 			if (cfg->res.parent)  in pci_mmconfig_delete()
869 				release_resource(&cfg->res);  in pci_mmconfig_delete()
871 			kfree(cfg);  in pci_mmconfig_delete()