ia64/linux-2.6.18-xen.hg

view include/asm-generic/pci.h @ 782:9ab1c319531f

merge with linux-2.6.18-xen.hg
author Isaku Yamahata <yamahata@valinux.co.jp>
date Wed Jan 28 13:07:23 2009 +0900 (2009-01-28)
parents 81a8206f58c7
children
line source
1 /*
2 * linux/include/asm-generic/pci.h
3 *
4 * Copyright (C) 2003 Russell King
5 */
6 #ifndef _ASM_GENERIC_PCI_H
7 #define _ASM_GENERIC_PCI_H
9 /**
10 * pcibios_resource_to_bus - convert resource to PCI bus address
11 * @dev: device which owns this resource
12 * @region: converted bus-centric region (start,end)
13 * @res: resource to convert
14 *
15 * Convert a resource to a PCI device bus address or bus window.
16 */
17 static inline void
18 pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region,
19 struct resource *res)
20 {
21 region->start = res->start;
22 region->end = res->end;
23 }
25 static inline void
26 pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res,
27 struct pci_bus_region *region)
28 {
29 res->start = region->start;
30 res->end = region->end;
31 }
33 static inline struct resource *
34 pcibios_select_root(struct pci_dev *pdev, struct resource *res)
35 {
36 struct resource *root = NULL;
38 if (res->flags & IORESOURCE_IO)
39 root = &ioport_resource;
40 if (res->flags & IORESOURCE_MEM)
41 root = &iomem_resource;
43 return root;
44 }
46 #ifndef pcibios_scan_all_fns
47 #define pcibios_scan_all_fns(a, b) 0
48 #endif
50 #ifndef HAVE_ARCH_PCI_GET_LEGACY_IDE_IRQ
51 static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
52 {
53 return channel ? 15 : 14;
54 }
55 #endif /* HAVE_ARCH_PCI_GET_LEGACY_IDE_IRQ */
57 #endif