| Michael S. Tsirkin | 66eab4d | 2011-11-24 20:45:20 +0200 | [diff] [blame] | 1 | /* Generic I/O port emulation, based on MN10300 code | 
|  | 2 | * | 
|  | 3 | * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. | 
|  | 4 | * Written by David Howells (dhowells@redhat.com) | 
|  | 5 | * | 
|  | 6 | * This program is free software; you can redistribute it and/or | 
|  | 7 | * modify it under the terms of the GNU General Public Licence | 
|  | 8 | * as published by the Free Software Foundation; either version | 
|  | 9 | * 2 of the Licence, or (at your option) any later version. | 
|  | 10 | */ | 
|  | 11 | #ifndef __ASM_GENERIC_PCI_IOMAP_H | 
|  | 12 | #define __ASM_GENERIC_PCI_IOMAP_H | 
|  | 13 |  | 
|  | 14 | struct pci_dev; | 
|  | 15 | #ifdef CONFIG_PCI | 
|  | 16 | /* Create a virtual mapping cookie for a PCI BAR (memory or IO) */ | 
|  | 17 | extern void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max); | 
|  | 18 | #else | 
|  | 19 | static inline void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max) | 
|  | 20 | { | 
|  | 21 | return NULL; | 
|  | 22 | } | 
|  | 23 | #endif | 
|  | 24 |  | 
|  | 25 | #endif /* __ASM_GENERIC_IO_H */ |