arch/ia64/include/asm/dma-mapping.h

   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 */