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 swiotlb_dma_ops;
  17
  18 static inline void dma_mark_clean(void *addr, size_t size) {}
  19
  20 extern unsigned int ppc_swiotlb_enable;
  21 int __init swiotlb_setup_bus_notifier(void);
  22
  23 extern void pci_dma_dev_setup_swiotlb(struct pci_dev *pdev);
  24
  25 #ifdef CONFIG_SWIOTLB
  26 void swiotlb_detect_4g(void);
  27 #else
  28 static inline void swiotlb_detect_4g(void) {}
  29 #endif
  30
  31 #endif /* __ASM_SWIOTLB_H */