Linux 4.8-rc8
[linux/fpc-iii.git] / arch / s390 / include / asm / dma-mapping.h
blobffaba07f50ab5e583c76ee87a8c69ef5e48a8618
1 #ifndef _ASM_S390_DMA_MAPPING_H
2 #define _ASM_S390_DMA_MAPPING_H
4 #include <linux/kernel.h>
5 #include <linux/types.h>
6 #include <linux/mm.h>
7 #include <linux/scatterlist.h>
8 #include <linux/dma-debug.h>
9 #include <linux/io.h>
11 #define DMA_ERROR_CODE (~(dma_addr_t) 0x0)
13 extern struct dma_map_ops s390_pci_dma_ops;
15 static inline struct dma_map_ops *get_dma_ops(struct device *dev)
17 if (dev && dev->archdata.dma_ops)
18 return dev->archdata.dma_ops;
19 return &dma_noop_ops;
22 static inline void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
23 enum dma_data_direction direction)
27 static inline bool dma_capable(struct device *dev, dma_addr_t addr, size_t size)
29 if (!dev->dma_mask)
30 return false;
31 return addr + size - 1 <= *dev->dma_mask;
34 #endif /* _ASM_S390_DMA_MAPPING_H */