| /* SPDX-License-Identifier: GPL-2.0 */ | |
| #ifndef _ASM_S390_DMA_MAPPING_H | |
| #define _ASM_S390_DMA_MAPPING_H | |
| #include <linux/kernel.h> | |
| #include <linux/types.h> | |
| #include <linux/mm.h> | |
| #include <linux/scatterlist.h> | |
| #include <linux/dma-debug.h> | |
| #include <linux/io.h> | |
| extern const struct dma_map_ops s390_pci_dma_ops; | |
| static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus) | |
| { | |
| return &dma_noop_ops; | |
| } | |
| static inline void dma_cache_sync(struct device *dev, void *vaddr, size_t size, | |
| enum dma_data_direction direction) | |
| { | |
| } | |
| static inline bool dma_capable(struct device *dev, dma_addr_t addr, size_t size) | |
| { | |
| if (!dev->dma_mask) | |
| return false; | |
| return addr + size - 1 <= *dev->dma_mask; | |
| } | |
| #endif /* _ASM_S390_DMA_MAPPING_H */ |