38 	/* A requested region spanning an entire BAR. */
42 	 * A requested region spanning an entire BAR, and a mapping for
43 	 * the entire BAR.
48 	 * A mapping within a BAR, either spanning the whole BAR or just a
64 	int bar;  member
70 	res->bar = -1;  in pcim_addr_devres_clear()
80 		pci_release_region(pdev, res->bar);  in pcim_addr_resource_release()
84 		pci_release_region(pdev, res->bar);  in pcim_addr_resource_release()
128 		return a->bar == b->bar;  in pcim_addr_resources_match()
294 static inline bool mask_contains_bar(int mask, int bar)  in mask_contains_bar()  argument
296 	return mask & BIT(bar);  in mask_contains_bar()
437  * void __iomem \*mappy = pcim_iomap(pdev, bar, length);
458  * still get a BAR's mapping address through pcim_iomap_table().
461 					    void __iomem *mapping, int bar)  in pcim_add_mapping_to_legacy_table()  argument
465 	if (!pci_bar_index_is_valid(bar))  in pcim_add_mapping_to_legacy_table()
473 	WARN_ON(legacy_iomap_table[bar]);  in pcim_add_mapping_to_legacy_table()
475 	legacy_iomap_table[bar] = mapping;  in pcim_add_mapping_to_legacy_table()
481  * Remove a mapping. The table only contains whole-BAR mappings, so this will
487 	int bar;  in pcim_remove_mapping_from_legacy_table()  local
494 	for (bar = 0; bar < PCI_STD_NUM_BARS; bar++) {  in pcim_remove_mapping_from_legacy_table()
495 		if (legacy_iomap_table[bar] == addr) {  in pcim_remove_mapping_from_legacy_table()
496 			legacy_iomap_table[bar] = NULL;  in pcim_remove_mapping_from_legacy_table()
504  * mapping by its BAR index.
506 static void pcim_remove_bar_from_legacy_table(struct pci_dev *pdev, int bar)  in pcim_remove_bar_from_legacy_table()  argument
510 	if (!pci_bar_index_is_valid(bar))  in pcim_remove_bar_from_legacy_table()
517 	legacy_iomap_table[bar] = NULL;  in pcim_remove_bar_from_legacy_table()
523  * @bar: BAR to iomap
531  * This SHOULD only be used once per BAR.
538 void __iomem *pcim_iomap(struct pci_dev *pdev, int bar, unsigned long maxlen)  in pcim_iomap()  argument
543 	if (!pci_bar_index_is_valid(bar))  in pcim_iomap()
551 	mapping = pci_iomap(pdev, bar, maxlen);  in pcim_iomap()
556 	if (pcim_add_mapping_to_legacy_table(pdev, mapping, bar) != 0)  in pcim_iomap()
597  * pcim_iomap_region - Request and iomap a PCI BAR
599  * @bar: Index of a BAR to map
607 void __iomem *pcim_iomap_region(struct pci_dev *pdev, int bar,  in pcim_iomap_region()  argument
613 	if (!pci_bar_index_is_valid(bar))  in pcim_iomap_region()
621 	res->bar = bar;  in pcim_iomap_region()
623 	ret = pci_request_region(pdev, bar, name);  in pcim_iomap_region()
627 	res->baseaddr = pci_iomap(pdev, bar, 0);  in pcim_iomap_region()
637 	pci_release_region(pdev, bar);  in pcim_iomap_region()
646  * pcim_iounmap_region - Unmap and release a PCI BAR
648  * @bar: Index of BAR to unmap and release
650  * Unmap a BAR and release its region manually. Only pass BARs that were
653 void pcim_iounmap_region(struct pci_dev *pdev, int bar)  in pcim_iounmap_region()  argument
659 	res_searched.bar = bar;  in pcim_iounmap_region()
682 	int bar;  in pcim_iomap_regions()  local
685 	for (bar = 0; bar < DEVICE_COUNT_RESOURCE; bar++) {  in pcim_iomap_regions()
686 		if (!mask_contains_bar(mask, bar))  in pcim_iomap_regions()
689 		mapping = pcim_iomap_region(pdev, bar, name);  in pcim_iomap_regions()
694 		ret = pcim_add_mapping_to_legacy_table(pdev, mapping, bar);  in pcim_iomap_regions()
702 	while (--bar >= 0) {  in pcim_iomap_regions()
703 		pcim_iounmap_region(pdev, bar);  in pcim_iomap_regions()
704 		pcim_remove_bar_from_legacy_table(pdev, bar);  in pcim_iomap_regions()
712  * pcim_request_region - Request a PCI BAR
714  * @bar: Index of BAR to request
719  * Request region specified by @bar.
724 int pcim_request_region(struct pci_dev *pdev, int bar, const char *name)  in pcim_request_region()  argument
729 	if (!pci_bar_index_is_valid(bar))  in pcim_request_region()
736 	res->bar = bar;  in pcim_request_region()
738 	ret = pci_request_region(pdev, bar, name);  in pcim_request_region()
750  * pcim_release_region - Release a PCI BAR
752  * @bar: Index of BAR to release
757 static void pcim_release_region(struct pci_dev *pdev, int bar)  in pcim_release_region()  argument
763 	res_searched.bar = bar;  in pcim_release_region()
782 	int bar;  in pcim_release_all_regions()  local
784 	for (bar = 0; bar < PCI_STD_NUM_BARS; bar++)  in pcim_release_all_regions()
785 		pcim_release_region(pdev, bar);  in pcim_release_all_regions()
802 	int bar;  in pcim_request_all_regions()  local
804 	for (bar = 0; bar < PCI_STD_NUM_BARS; bar++) {  in pcim_request_all_regions()
805 		ret = pcim_request_region(pdev, bar, name);  in pcim_request_all_regions()
820  * pcim_iomap_range - Create a ranged __iomap mapping within a PCI BAR
822  * @bar: Index of the BAR
823  * @offset: Offset from the begin of the BAR
828  * Creates a new IO-Mapping within the specified @bar, ranging from @offset to
834 void __iomem *pcim_iomap_range(struct pci_dev *pdev, int bar,  in pcim_iomap_range()  argument
840 	if (!pci_bar_index_is_valid(bar))  in pcim_iomap_range()
847 	mapping = pci_iomap_range(pdev, bar, offset, len);  in pcim_iomap_range()