xref: /openbmc/linux/arch/powerpc/include/asm/swiotlb.h (revision 68198dca)
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 */
32