1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _ASM_IA64_DMA_MAPPING_H 3 #define _ASM_IA64_DMA_MAPPING_H 4 5 /* 6 * Copyright (C) 2003-2004 Hewlett-Packard Co 7 * David Mosberger-Tang <davidm@hpl.hp.com> 8 */ 9 #include <asm/machvec.h> 10 #include <linux/scatterlist.h> 11 #include <linux/dma-debug.h> 12 13 #define ARCH_HAS_DMA_GET_REQUIRED_MASK 14 15 extern const struct dma_map_ops *dma_ops; 16 extern struct ia64_machine_vector ia64_mv; 17 extern void set_iommu_machvec(void); 18 19 extern void machvec_dma_sync_single(struct device *, dma_addr_t, size_t, 20 enum dma_data_direction); 21 extern void machvec_dma_sync_sg(struct device *, struct scatterlist *, int, 22 enum dma_data_direction); 23 24 static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus) 25 { 26 return platform_dma_get_ops(NULL); 27 } 28 29 #endif /* _ASM_IA64_DMA_MAPPING_H */ 30