arch/powerpc/include/asm/swiotlb.h

   1 /*
   2  * Copyright (C) 2009 Becky Bruce, Freescale Semiconductor
   3  *
   4  * This program is free software; you can redistribute  it and/or modify it
   5  * under  the terms of  the GNU General  Public License as published by the
   6  * Free Software Foundation;  either version 2 of the  License, or (at your
   7  * option) any later version.
   8  *
   9  */
  10
  11 #ifndef __ASM_SWIOTLB_H
  12 #define __ASM_SWIOTLB_H
  13
  14 #include <linux/swiotlb.h>
  15
  16 extern const struct dma_map_ops powerpc_swiotlb_dma_ops;
  17
  18 extern unsigned int ppc_swiotlb_enable;
  19 int __init swiotlb_setup_bus_notifier(void);
  20
  21 extern void pci_dma_dev_setup_swiotlb(struct pci_dev *pdev);
  22
  23 #ifdef CONFIG_SWIOTLB
  24 void swiotlb_detect_4g(void);
  25 #else
  26 static inline void swiotlb_detect_4g(void) {}
  27 #endif
  28
  29 #endif /* __ASM_SWIOTLB_H */