pci_iomap.h 824 B

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  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. struct pci_dev;
  14. #ifdef CONFIG_PCI
  15. /* Create a virtual mapping cookie for a PCI BAR (memory or IO) */
  16. extern void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max);
  17. #else
  18. static inline void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max)
  19. {
  20. return NULL;
  21. }
  22. #endif
  23. #endif /* __ASM_GENERIC_IO_H */