website-struct

Struct: dma_map_ops

Status

Regular

• In 4.4: ✅

  struct dma_map_ops {
      void * (*alloc)(struct device *, size_t, dma_addr_t *, gfp_t, struct dma_attrs *);
      void (*free)(struct device *, size_t, void *, dma_addr_t, struct dma_attrs *);
      int (*mmap)(struct device *, struct vm_area_struct *, void *, dma_addr_t, size_t, struct dma_attrs *);
      int (*get_sgtable)(struct device *, struct sg_table *, void *, dma_addr_t, size_t, struct dma_attrs *);
      dma_addr_t (*map_page)(struct device *, struct page *, long unsigned int, size_t, enum dma_data_direction, struct dma_attrs *);
      void (*unmap_page)(struct device *, dma_addr_t, size_t, enum dma_data_direction, struct dma_attrs *);
      int (*map_sg)(struct device *, struct scatterlist *, int, enum dma_data_direction, struct dma_attrs *);
      void (*unmap_sg)(struct device *, struct scatterlist *, int, enum dma_data_direction, struct dma_attrs *);
      void (*sync_single_for_cpu)(struct device *, dma_addr_t, size_t, enum dma_data_direction);
      void (*sync_single_for_device)(struct device *, dma_addr_t, size_t, enum dma_data_direction);
      void (*sync_sg_for_cpu)(struct device *, struct scatterlist *, int, enum dma_data_direction);
      void (*sync_sg_for_device)(struct device *, struct scatterlist *, int, enum dma_data_direction);
      int (*mapping_error)(struct device *, dma_addr_t);
      int (*dma_supported)(struct device *, u64);
      int (*set_dma_mask)(struct device *, u64);
      int is_phys;
  };
  

• In 4.8: ✅

  struct dma_map_ops {
      void * (*alloc)(struct device *, size_t, dma_addr_t *, gfp_t, long unsigned int);
      void (*free)(struct device *, size_t, void *, dma_addr_t, long unsigned int);
      int (*mmap)(struct device *, struct vm_area_struct *, void *, dma_addr_t, size_t, long unsigned int);
      int (*get_sgtable)(struct device *, struct sg_table *, void *, dma_addr_t, size_t, long unsigned int);
      dma_addr_t (*map_page)(struct device *, struct page *, long unsigned int, size_t, enum dma_data_direction, long unsigned int);
      void (*unmap_page)(struct device *, dma_addr_t, size_t, enum dma_data_direction, long unsigned int);
      int (*map_sg)(struct device *, struct scatterlist *, int, enum dma_data_direction, long unsigned int);
      void (*unmap_sg)(struct device *, struct scatterlist *, int, enum dma_data_direction, long unsigned int);
      void (*sync_single_for_cpu)(struct device *, dma_addr_t, size_t, enum dma_data_direction);
      void (*sync_single_for_device)(struct device *, dma_addr_t, size_t, enum dma_data_direction);
      void (*sync_sg_for_cpu)(struct device *, struct scatterlist *, int, enum dma_data_direction);
      void (*sync_sg_for_device)(struct device *, struct scatterlist *, int, enum dma_data_direction);
      int (*mapping_error)(struct device *, dma_addr_t);
      int (*dma_supported)(struct device *, u64);
      int (*set_dma_mask)(struct device *, u64);
      int is_phys;
  };
  

• In 4.10: ✅

  struct dma_map_ops {
      void * (*alloc)(struct device *, size_t, dma_addr_t *, gfp_t, long unsigned int);
      void (*free)(struct device *, size_t, void *, dma_addr_t, long unsigned int);
      int (*mmap)(struct device *, struct vm_area_struct *, void *, dma_addr_t, size_t, long unsigned int);
      int (*get_sgtable)(struct device *, struct sg_table *, void *, dma_addr_t, size_t, long unsigned int);
      dma_addr_t (*map_page)(struct device *, struct page *, long unsigned int, size_t, enum dma_data_direction, long unsigned int);
      void (*unmap_page)(struct device *, dma_addr_t, size_t, enum dma_data_direction, long unsigned int);
      int (*map_sg)(struct device *, struct scatterlist *, int, enum dma_data_direction, long unsigned int);
      void (*unmap_sg)(struct device *, struct scatterlist *, int, enum dma_data_direction, long unsigned int);
      dma_addr_t (*map_resource)(struct device *, phys_addr_t, size_t, enum dma_data_direction, long unsigned int);
      void (*unmap_resource)(struct device *, dma_addr_t, size_t, enum dma_data_direction, long unsigned int);
      void (*sync_single_for_cpu)(struct device *, dma_addr_t, size_t, enum dma_data_direction);
      void (*sync_single_for_device)(struct device *, dma_addr_t, size_t, enum dma_data_direction);
      void (*sync_sg_for_cpu)(struct device *, struct scatterlist *, int, enum dma_data_direction);
      void (*sync_sg_for_device)(struct device *, struct scatterlist *, int, enum dma_data_direction);
      int (*mapping_error)(struct device *, dma_addr_t);
      int (*dma_supported)(struct device *, u64);
      int (*set_dma_mask)(struct device *, u64);
      int is_phys;
  };
  

• In 4.13: ✅

  struct dma_map_ops {
      void * (*alloc)(struct device *, size_t, dma_addr_t *, gfp_t, long unsigned int);
      void (*free)(struct device *, size_t, void *, dma_addr_t, long unsigned int);
      int (*mmap)(struct device *, struct vm_area_struct *, void *, dma_addr_t, size_t, long unsigned int);
      int (*get_sgtable)(struct device *, struct sg_table *, void *, dma_addr_t, size_t, long unsigned int);
      dma_addr_t (*map_page)(struct device *, struct page *, long unsigned int, size_t, enum dma_data_direction, long unsigned int);
      void (*unmap_page)(struct device *, dma_addr_t, size_t, enum dma_data_direction, long unsigned int);
      int (*map_sg)(struct device *, struct scatterlist *, int, enum dma_data_direction, long unsigned int);
      void (*unmap_sg)(struct device *, struct scatterlist *, int, enum dma_data_direction, long unsigned int);
      dma_addr_t (*map_resource)(struct device *, phys_addr_t, size_t, enum dma_data_direction, long unsigned int);
      void (*unmap_resource)(struct device *, dma_addr_t, size_t, enum dma_data_direction, long unsigned int);
      void (*sync_single_for_cpu)(struct device *, dma_addr_t, size_t, enum dma_data_direction);
      void (*sync_single_for_device)(struct device *, dma_addr_t, size_t, enum dma_data_direction);
      void (*sync_sg_for_cpu)(struct device *, struct scatterlist *, int, enum dma_data_direction);
      void (*sync_sg_for_device)(struct device *, struct scatterlist *, int, enum dma_data_direction);
      int (*mapping_error)(struct device *, dma_addr_t);
      int (*dma_supported)(struct device *, u64);
      int is_phys;
  };
  

• In 4.15: ✅

  struct dma_map_ops {
      void * (*alloc)(struct device *, size_t, dma_addr_t *, gfp_t, long unsigned int);
      void (*free)(struct device *, size_t, void *, dma_addr_t, long unsigned int);
      int (*mmap)(struct device *, struct vm_area_struct *, void *, dma_addr_t, size_t, long unsigned int);
      int (*get_sgtable)(struct device *, struct sg_table *, void *, dma_addr_t, size_t, long unsigned int);
      dma_addr_t (*map_page)(struct device *, struct page *, long unsigned int, size_t, enum dma_data_direction, long unsigned int);
      void (*unmap_page)(struct device *, dma_addr_t, size_t, enum dma_data_direction, long unsigned int);
      int (*map_sg)(struct device *, struct scatterlist *, int, enum dma_data_direction, long unsigned int);
      void (*unmap_sg)(struct device *, struct scatterlist *, int, enum dma_data_direction, long unsigned int);
      dma_addr_t (*map_resource)(struct device *, phys_addr_t, size_t, enum dma_data_direction, long unsigned int);
      void (*unmap_resource)(struct device *, dma_addr_t, size_t, enum dma_data_direction, long unsigned int);
      void (*sync_single_for_cpu)(struct device *, dma_addr_t, size_t, enum dma_data_direction);
      void (*sync_single_for_device)(struct device *, dma_addr_t, size_t, enum dma_data_direction);
      void (*sync_sg_for_cpu)(struct device *, struct scatterlist *, int, enum dma_data_direction);
      void (*sync_sg_for_device)(struct device *, struct scatterlist *, int, enum dma_data_direction);
      void (*cache_sync)(struct device *, void *, size_t, enum dma_data_direction);
      int (*mapping_error)(struct device *, dma_addr_t);
      int (*dma_supported)(struct device *, u64);
      int is_phys;
  };
  

• In 4.18: ✅

  struct dma_map_ops {
      void * (*alloc)(struct device *, size_t, dma_addr_t *, gfp_t, long unsigned int);
      void (*free)(struct device *, size_t, void *, dma_addr_t, long unsigned int);
      int (*mmap)(struct device *, struct vm_area_struct *, void *, dma_addr_t, size_t, long unsigned int);
      int (*get_sgtable)(struct device *, struct sg_table *, void *, dma_addr_t, size_t, long unsigned int);
      dma_addr_t (*map_page)(struct device *, struct page *, long unsigned int, size_t, enum dma_data_direction, long unsigned int);
      void (*unmap_page)(struct device *, dma_addr_t, size_t, enum dma_data_direction, long unsigned int);
      int (*map_sg)(struct device *, struct scatterlist *, int, enum dma_data_direction, long unsigned int);
      void (*unmap_sg)(struct device *, struct scatterlist *, int, enum dma_data_direction, long unsigned int);
      dma_addr_t (*map_resource)(struct device *, phys_addr_t, size_t, enum dma_data_direction, long unsigned int);
      void (*unmap_resource)(struct device *, dma_addr_t, size_t, enum dma_data_direction, long unsigned int);
      void (*sync_single_for_cpu)(struct device *, dma_addr_t, size_t, enum dma_data_direction);
      void (*sync_single_for_device)(struct device *, dma_addr_t, size_t, enum dma_data_direction);
      void (*sync_sg_for_cpu)(struct device *, struct scatterlist *, int, enum dma_data_direction);
      void (*sync_sg_for_device)(struct device *, struct scatterlist *, int, enum dma_data_direction);
      void (*cache_sync)(struct device *, void *, size_t, enum dma_data_direction);
      int (*mapping_error)(struct device *, dma_addr_t);
      int (*dma_supported)(struct device *, u64);
  };
  

• In 5.0: ✅

  struct dma_map_ops {
      void * (*alloc)(struct device *, size_t, dma_addr_t *, gfp_t, long unsigned int);
      void (*free)(struct device *, size_t, void *, dma_addr_t, long unsigned int);
      int (*mmap)(struct device *, struct vm_area_struct *, void *, dma_addr_t, size_t, long unsigned int);
      int (*get_sgtable)(struct device *, struct sg_table *, void *, dma_addr_t, size_t, long unsigned int);
      dma_addr_t (*map_page)(struct device *, struct page *, long unsigned int, size_t, enum dma_data_direction, long unsigned int);
      void (*unmap_page)(struct device *, dma_addr_t, size_t, enum dma_data_direction, long unsigned int);
      int (*map_sg)(struct device *, struct scatterlist *, int, enum dma_data_direction, long unsigned int);
      void (*unmap_sg)(struct device *, struct scatterlist *, int, enum dma_data_direction, long unsigned int);
      dma_addr_t (*map_resource)(struct device *, phys_addr_t, size_t, enum dma_data_direction, long unsigned int);
      void (*unmap_resource)(struct device *, dma_addr_t, size_t, enum dma_data_direction, long unsigned int);
      void (*sync_single_for_cpu)(struct device *, dma_addr_t, size_t, enum dma_data_direction);
      void (*sync_single_for_device)(struct device *, dma_addr_t, size_t, enum dma_data_direction);
      void (*sync_sg_for_cpu)(struct device *, struct scatterlist *, int, enum dma_data_direction);
      void (*sync_sg_for_device)(struct device *, struct scatterlist *, int, enum dma_data_direction);
      void (*cache_sync)(struct device *, void *, size_t, enum dma_data_direction);
      int (*dma_supported)(struct device *, u64);
      u64 (*get_required_mask)(struct device *);
      size_t (*max_mapping_size)(struct device *);
  };
  

• In 5.3: ✅

  struct dma_map_ops {
      void * (*alloc)(struct device *, size_t, dma_addr_t *, gfp_t, long unsigned int);
      void (*free)(struct device *, size_t, void *, dma_addr_t, long unsigned int);
      int (*mmap)(struct device *, struct vm_area_struct *, void *, dma_addr_t, size_t, long unsigned int);
      int (*get_sgtable)(struct device *, struct sg_table *, void *, dma_addr_t, size_t, long unsigned int);
      dma_addr_t (*map_page)(struct device *, struct page *, long unsigned int, size_t, enum dma_data_direction, long unsigned int);
      void (*unmap_page)(struct device *, dma_addr_t, size_t, enum dma_data_direction, long unsigned int);
      int (*map_sg)(struct device *, struct scatterlist *, int, enum dma_data_direction, long unsigned int);
      void (*unmap_sg)(struct device *, struct scatterlist *, int, enum dma_data_direction, long unsigned int);
      dma_addr_t (*map_resource)(struct device *, phys_addr_t, size_t, enum dma_data_direction, long unsigned int);
      void (*unmap_resource)(struct device *, dma_addr_t, size_t, enum dma_data_direction, long unsigned int);
      void (*sync_single_for_cpu)(struct device *, dma_addr_t, size_t, enum dma_data_direction);
      void (*sync_single_for_device)(struct device *, dma_addr_t, size_t, enum dma_data_direction);
      void (*sync_sg_for_cpu)(struct device *, struct scatterlist *, int, enum dma_data_direction);
      void (*sync_sg_for_device)(struct device *, struct scatterlist *, int, enum dma_data_direction);
      void (*cache_sync)(struct device *, void *, size_t, enum dma_data_direction);
      int (*dma_supported)(struct device *, u64);
      u64 (*get_required_mask)(struct device *);
      size_t (*max_mapping_size)(struct device *);
  };
  

• In 5.4: ✅

  struct dma_map_ops {
      void * (*alloc)(struct device *, size_t, dma_addr_t *, gfp_t, long unsigned int);
      void (*free)(struct device *, size_t, void *, dma_addr_t, long unsigned int);
      int (*mmap)(struct device *, struct vm_area_struct *, void *, dma_addr_t, size_t, long unsigned int);
      int (*get_sgtable)(struct device *, struct sg_table *, void *, dma_addr_t, size_t, long unsigned int);
      dma_addr_t (*map_page)(struct device *, struct page *, long unsigned int, size_t, enum dma_data_direction, long unsigned int);
      void (*unmap_page)(struct device *, dma_addr_t, size_t, enum dma_data_direction, long unsigned int);
      int (*map_sg)(struct device *, struct scatterlist *, int, enum dma_data_direction, long unsigned int);
      void (*unmap_sg)(struct device *, struct scatterlist *, int, enum dma_data_direction, long unsigned int);
      dma_addr_t (*map_resource)(struct device *, phys_addr_t, size_t, enum dma_data_direction, long unsigned int);
      void (*unmap_resource)(struct device *, dma_addr_t, size_t, enum dma_data_direction, long unsigned int);
      void (*sync_single_for_cpu)(struct device *, dma_addr_t, size_t, enum dma_data_direction);
      void (*sync_single_for_device)(struct device *, dma_addr_t, size_t, enum dma_data_direction);
      void (*sync_sg_for_cpu)(struct device *, struct scatterlist *, int, enum dma_data_direction);
      void (*sync_sg_for_device)(struct device *, struct scatterlist *, int, enum dma_data_direction);
      void (*cache_sync)(struct device *, void *, size_t, enum dma_data_direction);
      int (*dma_supported)(struct device *, u64);
      u64 (*get_required_mask)(struct device *);
      size_t (*max_mapping_size)(struct device *);
      long unsigned int (*get_merge_boundary)(struct device *);
  };
  

• In 5.8: ✅

  struct dma_map_ops {
      void * (*alloc)(struct device *, size_t, dma_addr_t *, gfp_t, long unsigned int);
      void (*free)(struct device *, size_t, void *, dma_addr_t, long unsigned int);
      int (*mmap)(struct device *, struct vm_area_struct *, void *, dma_addr_t, size_t, long unsigned int);
      int (*get_sgtable)(struct device *, struct sg_table *, void *, dma_addr_t, size_t, long unsigned int);
      dma_addr_t (*map_page)(struct device *, struct page *, long unsigned int, size_t, enum dma_data_direction, long unsigned int);
      void (*unmap_page)(struct device *, dma_addr_t, size_t, enum dma_data_direction, long unsigned int);
      int (*map_sg)(struct device *, struct scatterlist *, int, enum dma_data_direction, long unsigned int);
      void (*unmap_sg)(struct device *, struct scatterlist *, int, enum dma_data_direction, long unsigned int);
      dma_addr_t (*map_resource)(struct device *, phys_addr_t, size_t, enum dma_data_direction, long unsigned int);
      void (*unmap_resource)(struct device *, dma_addr_t, size_t, enum dma_data_direction, long unsigned int);
      void (*sync_single_for_cpu)(struct device *, dma_addr_t, size_t, enum dma_data_direction);
      void (*sync_single_for_device)(struct device *, dma_addr_t, size_t, enum dma_data_direction);
      void (*sync_sg_for_cpu)(struct device *, struct scatterlist *, int, enum dma_data_direction);
      void (*sync_sg_for_device)(struct device *, struct scatterlist *, int, enum dma_data_direction);
      void (*cache_sync)(struct device *, void *, size_t, enum dma_data_direction);
      int (*dma_supported)(struct device *, u64);
      u64 (*get_required_mask)(struct device *);
      size_t (*max_mapping_size)(struct device *);
      long unsigned int (*get_merge_boundary)(struct device *);
  };
  

• In 5.11: ✅

  struct dma_map_ops {
      void * (*alloc)(struct device *, size_t, dma_addr_t *, gfp_t, long unsigned int);
      void (*free)(struct device *, size_t, void *, dma_addr_t, long unsigned int);
      struct page * (*alloc_pages)(struct device *, size_t, dma_addr_t *, enum dma_data_direction, gfp_t);
      void (*free_pages)(struct device *, size_t, struct page *, dma_addr_t, enum dma_data_direction);
      void * (*alloc_noncoherent)(struct device *, size_t, dma_addr_t *, enum dma_data_direction, gfp_t);
      void (*free_noncoherent)(struct device *, size_t, void *, dma_addr_t, enum dma_data_direction);
      int (*mmap)(struct device *, struct vm_area_struct *, void *, dma_addr_t, size_t, long unsigned int);
      int (*get_sgtable)(struct device *, struct sg_table *, void *, dma_addr_t, size_t, long unsigned int);
      dma_addr_t (*map_page)(struct device *, struct page *, long unsigned int, size_t, enum dma_data_direction, long unsigned int);
      void (*unmap_page)(struct device *, dma_addr_t, size_t, enum dma_data_direction, long unsigned int);
      int (*map_sg)(struct device *, struct scatterlist *, int, enum dma_data_direction, long unsigned int);
      void (*unmap_sg)(struct device *, struct scatterlist *, int, enum dma_data_direction, long unsigned int);
      dma_addr_t (*map_resource)(struct device *, phys_addr_t, size_t, enum dma_data_direction, long unsigned int);
      void (*unmap_resource)(struct device *, dma_addr_t, size_t, enum dma_data_direction, long unsigned int);
      void (*sync_single_for_cpu)(struct device *, dma_addr_t, size_t, enum dma_data_direction);
      void (*sync_single_for_device)(struct device *, dma_addr_t, size_t, enum dma_data_direction);
      void (*sync_sg_for_cpu)(struct device *, struct scatterlist *, int, enum dma_data_direction);
      void (*sync_sg_for_device)(struct device *, struct scatterlist *, int, enum dma_data_direction);
      void (*cache_sync)(struct device *, void *, size_t, enum dma_data_direction);
      int (*dma_supported)(struct device *, u64);
      u64 (*get_required_mask)(struct device *);
      size_t (*max_mapping_size)(struct device *);
      long unsigned int (*get_merge_boundary)(struct device *);
  };
  

• In 5.13: ✅

  struct dma_map_ops {
      void * (*alloc)(struct device *, size_t, dma_addr_t *, gfp_t, long unsigned int);
      void (*free)(struct device *, size_t, void *, dma_addr_t, long unsigned int);
      struct page * (*alloc_pages)(struct device *, size_t, dma_addr_t *, enum dma_data_direction, gfp_t);
      void (*free_pages)(struct device *, size_t, struct page *, dma_addr_t, enum dma_data_direction);
      struct sg_table * (*alloc_noncontiguous)(struct device *, size_t, enum dma_data_direction, gfp_t, long unsigned int);
      void (*free_noncontiguous)(struct device *, size_t, struct sg_table *, enum dma_data_direction);
      int (*mmap)(struct device *, struct vm_area_struct *, void *, dma_addr_t, size_t, long unsigned int);
      int (*get_sgtable)(struct device *, struct sg_table *, void *, dma_addr_t, size_t, long unsigned int);
      dma_addr_t (*map_page)(struct device *, struct page *, long unsigned int, size_t, enum dma_data_direction, long unsigned int);
      void (*unmap_page)(struct device *, dma_addr_t, size_t, enum dma_data_direction, long unsigned int);
      int (*map_sg)(struct device *, struct scatterlist *, int, enum dma_data_direction, long unsigned int);
      void (*unmap_sg)(struct device *, struct scatterlist *, int, enum dma_data_direction, long unsigned int);
      dma_addr_t (*map_resource)(struct device *, phys_addr_t, size_t, enum dma_data_direction, long unsigned int);
      void (*unmap_resource)(struct device *, dma_addr_t, size_t, enum dma_data_direction, long unsigned int);
      void (*sync_single_for_cpu)(struct device *, dma_addr_t, size_t, enum dma_data_direction);
      void (*sync_single_for_device)(struct device *, dma_addr_t, size_t, enum dma_data_direction);
      void (*sync_sg_for_cpu)(struct device *, struct scatterlist *, int, enum dma_data_direction);
      void (*sync_sg_for_device)(struct device *, struct scatterlist *, int, enum dma_data_direction);
      void (*cache_sync)(struct device *, void *, size_t, enum dma_data_direction);
      int (*dma_supported)(struct device *, u64);
      u64 (*get_required_mask)(struct device *);
      size_t (*max_mapping_size)(struct device *);
      long unsigned int (*get_merge_boundary)(struct device *);
  };
  

• In 5.15: ✅

  struct dma_map_ops {
      void * (*alloc)(struct device *, size_t, dma_addr_t *, gfp_t, long unsigned int);
      void (*free)(struct device *, size_t, void *, dma_addr_t, long unsigned int);
      struct page * (*alloc_pages)(struct device *, size_t, dma_addr_t *, enum dma_data_direction, gfp_t);
      void (*free_pages)(struct device *, size_t, struct page *, dma_addr_t, enum dma_data_direction);
      struct sg_table * (*alloc_noncontiguous)(struct device *, size_t, enum dma_data_direction, gfp_t, long unsigned int);
      void (*free_noncontiguous)(struct device *, size_t, struct sg_table *, enum dma_data_direction);
      int (*mmap)(struct device *, struct vm_area_struct *, void *, dma_addr_t, size_t, long unsigned int);
      int (*get_sgtable)(struct device *, struct sg_table *, void *, dma_addr_t, size_t, long unsigned int);
      dma_addr_t (*map_page)(struct device *, struct page *, long unsigned int, size_t, enum dma_data_direction, long unsigned int);
      void (*unmap_page)(struct device *, dma_addr_t, size_t, enum dma_data_direction, long unsigned int);
      int (*map_sg)(struct device *, struct scatterlist *, int, enum dma_data_direction, long unsigned int);
      void (*unmap_sg)(struct device *, struct scatterlist *, int, enum dma_data_direction, long unsigned int);
      dma_addr_t (*map_resource)(struct device *, phys_addr_t, size_t, enum dma_data_direction, long unsigned int);
      void (*unmap_resource)(struct device *, dma_addr_t, size_t, enum dma_data_direction, long unsigned int);
      void (*sync_single_for_cpu)(struct device *, dma_addr_t, size_t, enum dma_data_direction);
      void (*sync_single_for_device)(struct device *, dma_addr_t, size_t, enum dma_data_direction);
      void (*sync_sg_for_cpu)(struct device *, struct scatterlist *, int, enum dma_data_direction);
      void (*sync_sg_for_device)(struct device *, struct scatterlist *, int, enum dma_data_direction);
      void (*cache_sync)(struct device *, void *, size_t, enum dma_data_direction);
      int (*dma_supported)(struct device *, u64);
      u64 (*get_required_mask)(struct device *);
      size_t (*max_mapping_size)(struct device *);
      long unsigned int (*get_merge_boundary)(struct device *);
  };
  

• In 5.19: ✅

  struct dma_map_ops {
      void * (*alloc)(struct device *, size_t, dma_addr_t *, gfp_t, long unsigned int);
      void (*free)(struct device *, size_t, void *, dma_addr_t, long unsigned int);
      struct page * (*alloc_pages)(struct device *, size_t, dma_addr_t *, enum dma_data_direction, gfp_t);
      void (*free_pages)(struct device *, size_t, struct page *, dma_addr_t, enum dma_data_direction);
      struct sg_table * (*alloc_noncontiguous)(struct device *, size_t, enum dma_data_direction, gfp_t, long unsigned int);
      void (*free_noncontiguous)(struct device *, size_t, struct sg_table *, enum dma_data_direction);
      int (*mmap)(struct device *, struct vm_area_struct *, void *, dma_addr_t, size_t, long unsigned int);
      int (*get_sgtable)(struct device *, struct sg_table *, void *, dma_addr_t, size_t, long unsigned int);
      dma_addr_t (*map_page)(struct device *, struct page *, long unsigned int, size_t, enum dma_data_direction, long unsigned int);
      void (*unmap_page)(struct device *, dma_addr_t, size_t, enum dma_data_direction, long unsigned int);
      int (*map_sg)(struct device *, struct scatterlist *, int, enum dma_data_direction, long unsigned int);
      void (*unmap_sg)(struct device *, struct scatterlist *, int, enum dma_data_direction, long unsigned int);
      dma_addr_t (*map_resource)(struct device *, phys_addr_t, size_t, enum dma_data_direction, long unsigned int);
      void (*unmap_resource)(struct device *, dma_addr_t, size_t, enum dma_data_direction, long unsigned int);
      void (*sync_single_for_cpu)(struct device *, dma_addr_t, size_t, enum dma_data_direction);
      void (*sync_single_for_device)(struct device *, dma_addr_t, size_t, enum dma_data_direction);
      void (*sync_sg_for_cpu)(struct device *, struct scatterlist *, int, enum dma_data_direction);
      void (*sync_sg_for_device)(struct device *, struct scatterlist *, int, enum dma_data_direction);
      void (*cache_sync)(struct device *, void *, size_t, enum dma_data_direction);
      int (*dma_supported)(struct device *, u64);
      u64 (*get_required_mask)(struct device *);
      size_t (*max_mapping_size)(struct device *);
      long unsigned int (*get_merge_boundary)(struct device *);
  };
  

• In 6.2: ✅

  struct dma_map_ops {
      unsigned int flags;
      void * (*alloc)(struct device *, size_t, dma_addr_t *, gfp_t, long unsigned int);
      void (*free)(struct device *, size_t, void *, dma_addr_t, long unsigned int);
      struct page * (*alloc_pages)(struct device *, size_t, dma_addr_t *, enum dma_data_direction, gfp_t);
      void (*free_pages)(struct device *, size_t, struct page *, dma_addr_t, enum dma_data_direction);
      struct sg_table * (*alloc_noncontiguous)(struct device *, size_t, enum dma_data_direction, gfp_t, long unsigned int);
      void (*free_noncontiguous)(struct device *, size_t, struct sg_table *, enum dma_data_direction);
      int (*mmap)(struct device *, struct vm_area_struct *, void *, dma_addr_t, size_t, long unsigned int);
      int (*get_sgtable)(struct device *, struct sg_table *, void *, dma_addr_t, size_t, long unsigned int);
      dma_addr_t (*map_page)(struct device *, struct page *, long unsigned int, size_t, enum dma_data_direction, long unsigned int);
      void (*unmap_page)(struct device *, dma_addr_t, size_t, enum dma_data_direction, long unsigned int);
      int (*map_sg)(struct device *, struct scatterlist *, int, enum dma_data_direction, long unsigned int);
      void (*unmap_sg)(struct device *, struct scatterlist *, int, enum dma_data_direction, long unsigned int);
      dma_addr_t (*map_resource)(struct device *, phys_addr_t, size_t, enum dma_data_direction, long unsigned int);
      void (*unmap_resource)(struct device *, dma_addr_t, size_t, enum dma_data_direction, long unsigned int);
      void (*sync_single_for_cpu)(struct device *, dma_addr_t, size_t, enum dma_data_direction);
      void (*sync_single_for_device)(struct device *, dma_addr_t, size_t, enum dma_data_direction);
      void (*sync_sg_for_cpu)(struct device *, struct scatterlist *, int, enum dma_data_direction);
      void (*sync_sg_for_device)(struct device *, struct scatterlist *, int, enum dma_data_direction);
      void (*cache_sync)(struct device *, void *, size_t, enum dma_data_direction);
      int (*dma_supported)(struct device *, u64);
      u64 (*get_required_mask)(struct device *);
      size_t (*max_mapping_size)(struct device *);
      size_t (*opt_mapping_size)();
      long unsigned int (*get_merge_boundary)(struct device *);
  };
  

• In 6.5: ✅

  struct dma_map_ops {
      unsigned int flags;
      void * (*alloc)(struct device *, size_t, dma_addr_t *, gfp_t, long unsigned int);
      void (*free)(struct device *, size_t, void *, dma_addr_t, long unsigned int);
      struct page * (*alloc_pages)(struct device *, size_t, dma_addr_t *, enum dma_data_direction, gfp_t);
      void (*free_pages)(struct device *, size_t, struct page *, dma_addr_t, enum dma_data_direction);
      struct sg_table * (*alloc_noncontiguous)(struct device *, size_t, enum dma_data_direction, gfp_t, long unsigned int);
      void (*free_noncontiguous)(struct device *, size_t, struct sg_table *, enum dma_data_direction);
      int (*mmap)(struct device *, struct vm_area_struct *, void *, dma_addr_t, size_t, long unsigned int);
      int (*get_sgtable)(struct device *, struct sg_table *, void *, dma_addr_t, size_t, long unsigned int);
      dma_addr_t (*map_page)(struct device *, struct page *, long unsigned int, size_t, enum dma_data_direction, long unsigned int);
      void (*unmap_page)(struct device *, dma_addr_t, size_t, enum dma_data_direction, long unsigned int);
      int (*map_sg)(struct device *, struct scatterlist *, int, enum dma_data_direction, long unsigned int);
      void (*unmap_sg)(struct device *, struct scatterlist *, int, enum dma_data_direction, long unsigned int);
      dma_addr_t (*map_resource)(struct device *, phys_addr_t, size_t, enum dma_data_direction, long unsigned int);
      void (*unmap_resource)(struct device *, dma_addr_t, size_t, enum dma_data_direction, long unsigned int);
      void (*sync_single_for_cpu)(struct device *, dma_addr_t, size_t, enum dma_data_direction);
      void (*sync_single_for_device)(struct device *, dma_addr_t, size_t, enum dma_data_direction);
      void (*sync_sg_for_cpu)(struct device *, struct scatterlist *, int, enum dma_data_direction);
      void (*sync_sg_for_device)(struct device *, struct scatterlist *, int, enum dma_data_direction);
      void (*cache_sync)(struct device *, void *, size_t, enum dma_data_direction);
      int (*dma_supported)(struct device *, u64);
      u64 (*get_required_mask)(struct device *);
      size_t (*max_mapping_size)(struct device *);
      size_t (*opt_mapping_size)();
      long unsigned int (*get_merge_boundary)(struct device *);
  };
  

• In 6.8: ✅

  struct dma_map_ops {
      unsigned int flags;
      void * (*alloc)(struct device *, size_t, dma_addr_t *, gfp_t, long unsigned int);
      void (*free)(struct device *, size_t, void *, dma_addr_t, long unsigned int);
      struct page * (*alloc_pages)(struct device *, size_t, dma_addr_t *, enum dma_data_direction, gfp_t);
      void (*free_pages)(struct device *, size_t, struct page *, dma_addr_t, enum dma_data_direction);
      struct sg_table * (*alloc_noncontiguous)(struct device *, size_t, enum dma_data_direction, gfp_t, long unsigned int);
      void (*free_noncontiguous)(struct device *, size_t, struct sg_table *, enum dma_data_direction);
      int (*mmap)(struct device *, struct vm_area_struct *, void *, dma_addr_t, size_t, long unsigned int);
      int (*get_sgtable)(struct device *, struct sg_table *, void *, dma_addr_t, size_t, long unsigned int);
      dma_addr_t (*map_page)(struct device *, struct page *, long unsigned int, size_t, enum dma_data_direction, long unsigned int);
      void (*unmap_page)(struct device *, dma_addr_t, size_t, enum dma_data_direction, long unsigned int);
      int (*map_sg)(struct device *, struct scatterlist *, int, enum dma_data_direction, long unsigned int);
      void (*unmap_sg)(struct device *, struct scatterlist *, int, enum dma_data_direction, long unsigned int);
      dma_addr_t (*map_resource)(struct device *, phys_addr_t, size_t, enum dma_data_direction, long unsigned int);
      void (*unmap_resource)(struct device *, dma_addr_t, size_t, enum dma_data_direction, long unsigned int);
      void (*sync_single_for_cpu)(struct device *, dma_addr_t, size_t, enum dma_data_direction);
      void (*sync_single_for_device)(struct device *, dma_addr_t, size_t, enum dma_data_direction);
      void (*sync_sg_for_cpu)(struct device *, struct scatterlist *, int, enum dma_data_direction);
      void (*sync_sg_for_device)(struct device *, struct scatterlist *, int, enum dma_data_direction);
      void (*cache_sync)(struct device *, void *, size_t, enum dma_data_direction);
      int (*dma_supported)(struct device *, u64);
      u64 (*get_required_mask)(struct device *);
      size_t (*max_mapping_size)(struct device *);
      size_t (*opt_mapping_size)();
      long unsigned int (*get_merge_boundary)(struct device *);
  };
  

Arch

• In arm64: ✅

  struct dma_map_ops {
      void * (*alloc)(struct device *, size_t, dma_addr_t *, gfp_t, long unsigned int);
      void (*free)(struct device *, size_t, void *, dma_addr_t, long unsigned int);
      int (*mmap)(struct device *, struct vm_area_struct *, void *, dma_addr_t, size_t, long unsigned int);
      int (*get_sgtable)(struct device *, struct sg_table *, void *, dma_addr_t, size_t, long unsigned int);
      dma_addr_t (*map_page)(struct device *, struct page *, long unsigned int, size_t, enum dma_data_direction, long unsigned int);
      void (*unmap_page)(struct device *, dma_addr_t, size_t, enum dma_data_direction, long unsigned int);
      int (*map_sg)(struct device *, struct scatterlist *, int, enum dma_data_direction, long unsigned int);
      void (*unmap_sg)(struct device *, struct scatterlist *, int, enum dma_data_direction, long unsigned int);
      dma_addr_t (*map_resource)(struct device *, phys_addr_t, size_t, enum dma_data_direction, long unsigned int);
      void (*unmap_resource)(struct device *, dma_addr_t, size_t, enum dma_data_direction, long unsigned int);
      void (*sync_single_for_cpu)(struct device *, dma_addr_t, size_t, enum dma_data_direction);
      void (*sync_single_for_device)(struct device *, dma_addr_t, size_t, enum dma_data_direction);
      void (*sync_sg_for_cpu)(struct device *, struct scatterlist *, int, enum dma_data_direction);
      void (*sync_sg_for_device)(struct device *, struct scatterlist *, int, enum dma_data_direction);
      void (*cache_sync)(struct device *, void *, size_t, enum dma_data_direction);
      int (*dma_supported)(struct device *, u64);
      u64 (*get_required_mask)(struct device *);
      size_t (*max_mapping_size)(struct device *);
      long unsigned int (*get_merge_boundary)(struct device *);
  };
  

• In armhf: ✅

  struct dma_map_ops {
      void * (*alloc)(struct device *, size_t, dma_addr_t *, gfp_t, long unsigned int);
      void (*free)(struct device *, size_t, void *, dma_addr_t, long unsigned int);
      int (*mmap)(struct device *, struct vm_area_struct *, void *, dma_addr_t, size_t, long unsigned int);
      int (*get_sgtable)(struct device *, struct sg_table *, void *, dma_addr_t, size_t, long unsigned int);
      dma_addr_t (*map_page)(struct device *, struct page *, long unsigned int, size_t, enum dma_data_direction, long unsigned int);
      void (*unmap_page)(struct device *, dma_addr_t, size_t, enum dma_data_direction, long unsigned int);
      int (*map_sg)(struct device *, struct scatterlist *, int, enum dma_data_direction, long unsigned int);
      void (*unmap_sg)(struct device *, struct scatterlist *, int, enum dma_data_direction, long unsigned int);
      dma_addr_t (*map_resource)(struct device *, phys_addr_t, size_t, enum dma_data_direction, long unsigned int);
      void (*unmap_resource)(struct device *, dma_addr_t, size_t, enum dma_data_direction, long unsigned int);
      void (*sync_single_for_cpu)(struct device *, dma_addr_t, size_t, enum dma_data_direction);
      void (*sync_single_for_device)(struct device *, dma_addr_t, size_t, enum dma_data_direction);
      void (*sync_sg_for_cpu)(struct device *, struct scatterlist *, int, enum dma_data_direction);
      void (*sync_sg_for_device)(struct device *, struct scatterlist *, int, enum dma_data_direction);
      void (*cache_sync)(struct device *, void *, size_t, enum dma_data_direction);
      int (*dma_supported)(struct device *, u64);
      u64 (*get_required_mask)(struct device *);
      size_t (*max_mapping_size)(struct device *);
      long unsigned int (*get_merge_boundary)(struct device *);
  };
  

• In ppc64el: ✅

  struct dma_map_ops {
      void * (*alloc)(struct device *, size_t, dma_addr_t *, gfp_t, long unsigned int);
      void (*free)(struct device *, size_t, void *, dma_addr_t, long unsigned int);
      int (*mmap)(struct device *, struct vm_area_struct *, void *, dma_addr_t, size_t, long unsigned int);
      int (*get_sgtable)(struct device *, struct sg_table *, void *, dma_addr_t, size_t, long unsigned int);
      dma_addr_t (*map_page)(struct device *, struct page *, long unsigned int, size_t, enum dma_data_direction, long unsigned int);
      void (*unmap_page)(struct device *, dma_addr_t, size_t, enum dma_data_direction, long unsigned int);
      int (*map_sg)(struct device *, struct scatterlist *, int, enum dma_data_direction, long unsigned int);
      void (*unmap_sg)(struct device *, struct scatterlist *, int, enum dma_data_direction, long unsigned int);
      dma_addr_t (*map_resource)(struct device *, phys_addr_t, size_t, enum dma_data_direction, long unsigned int);
      void (*unmap_resource)(struct device *, dma_addr_t, size_t, enum dma_data_direction, long unsigned int);
      void (*sync_single_for_cpu)(struct device *, dma_addr_t, size_t, enum dma_data_direction);
      void (*sync_single_for_device)(struct device *, dma_addr_t, size_t, enum dma_data_direction);
      void (*sync_sg_for_cpu)(struct device *, struct scatterlist *, int, enum dma_data_direction);
      void (*sync_sg_for_device)(struct device *, struct scatterlist *, int, enum dma_data_direction);
      void (*cache_sync)(struct device *, void *, size_t, enum dma_data_direction);
      int (*dma_supported)(struct device *, u64);
      u64 (*get_required_mask)(struct device *);
      size_t (*max_mapping_size)(struct device *);
      long unsigned int (*get_merge_boundary)(struct device *);
  };
  

• In riscv64: ✅

  struct dma_map_ops {
      void * (*alloc)(struct device *, size_t, dma_addr_t *, gfp_t, long unsigned int);
      void (*free)(struct device *, size_t, void *, dma_addr_t, long unsigned int);
      int (*mmap)(struct device *, struct vm_area_struct *, void *, dma_addr_t, size_t, long unsigned int);
      int (*get_sgtable)(struct device *, struct sg_table *, void *, dma_addr_t, size_t, long unsigned int);
      dma_addr_t (*map_page)(struct device *, struct page *, long unsigned int, size_t, enum dma_data_direction, long unsigned int);
      void (*unmap_page)(struct device *, dma_addr_t, size_t, enum dma_data_direction, long unsigned int);
      int (*map_sg)(struct device *, struct scatterlist *, int, enum dma_data_direction, long unsigned int);
      void (*unmap_sg)(struct device *, struct scatterlist *, int, enum dma_data_direction, long unsigned int);
      dma_addr_t (*map_resource)(struct device *, phys_addr_t, size_t, enum dma_data_direction, long unsigned int);
      void (*unmap_resource)(struct device *, dma_addr_t, size_t, enum dma_data_direction, long unsigned int);
      void (*sync_single_for_cpu)(struct device *, dma_addr_t, size_t, enum dma_data_direction);
      void (*sync_single_for_device)(struct device *, dma_addr_t, size_t, enum dma_data_direction);
      void (*sync_sg_for_cpu)(struct device *, struct scatterlist *, int, enum dma_data_direction);
      void (*sync_sg_for_device)(struct device *, struct scatterlist *, int, enum dma_data_direction);
      void (*cache_sync)(struct device *, void *, size_t, enum dma_data_direction);
      int (*dma_supported)(struct device *, u64);
      u64 (*get_required_mask)(struct device *);
      size_t (*max_mapping_size)(struct device *);
      long unsigned int (*get_merge_boundary)(struct device *);
  };
  

Flavor

• In aws: ✅

  struct dma_map_ops {
      void * (*alloc)(struct device *, size_t, dma_addr_t *, gfp_t, long unsigned int);
      void (*free)(struct device *, size_t, void *, dma_addr_t, long unsigned int);
      int (*mmap)(struct device *, struct vm_area_struct *, void *, dma_addr_t, size_t, long unsigned int);
      int (*get_sgtable)(struct device *, struct sg_table *, void *, dma_addr_t, size_t, long unsigned int);
      dma_addr_t (*map_page)(struct device *, struct page *, long unsigned int, size_t, enum dma_data_direction, long unsigned int);
      void (*unmap_page)(struct device *, dma_addr_t, size_t, enum dma_data_direction, long unsigned int);
      int (*map_sg)(struct device *, struct scatterlist *, int, enum dma_data_direction, long unsigned int);
      void (*unmap_sg)(struct device *, struct scatterlist *, int, enum dma_data_direction, long unsigned int);
      dma_addr_t (*map_resource)(struct device *, phys_addr_t, size_t, enum dma_data_direction, long unsigned int);
      void (*unmap_resource)(struct device *, dma_addr_t, size_t, enum dma_data_direction, long unsigned int);
      void (*sync_single_for_cpu)(struct device *, dma_addr_t, size_t, enum dma_data_direction);
      void (*sync_single_for_device)(struct device *, dma_addr_t, size_t, enum dma_data_direction);
      void (*sync_sg_for_cpu)(struct device *, struct scatterlist *, int, enum dma_data_direction);
      void (*sync_sg_for_device)(struct device *, struct scatterlist *, int, enum dma_data_direction);
      void (*cache_sync)(struct device *, void *, size_t, enum dma_data_direction);
      int (*dma_supported)(struct device *, u64);
      u64 (*get_required_mask)(struct device *);
      size_t (*max_mapping_size)(struct device *);
      long unsigned int (*get_merge_boundary)(struct device *);
  };
  

• In azure: ✅

  struct dma_map_ops {
      void * (*alloc)(struct device *, size_t, dma_addr_t *, gfp_t, long unsigned int);
      void (*free)(struct device *, size_t, void *, dma_addr_t, long unsigned int);
      int (*mmap)(struct device *, struct vm_area_struct *, void *, dma_addr_t, size_t, long unsigned int);
      int (*get_sgtable)(struct device *, struct sg_table *, void *, dma_addr_t, size_t, long unsigned int);
      dma_addr_t (*map_page)(struct device *, struct page *, long unsigned int, size_t, enum dma_data_direction, long unsigned int);
      void (*unmap_page)(struct device *, dma_addr_t, size_t, enum dma_data_direction, long unsigned int);
      int (*map_sg)(struct device *, struct scatterlist *, int, enum dma_data_direction, long unsigned int);
      void (*unmap_sg)(struct device *, struct scatterlist *, int, enum dma_data_direction, long unsigned int);
      dma_addr_t (*map_resource)(struct device *, phys_addr_t, size_t, enum dma_data_direction, long unsigned int);
      void (*unmap_resource)(struct device *, dma_addr_t, size_t, enum dma_data_direction, long unsigned int);
      void (*sync_single_for_cpu)(struct device *, dma_addr_t, size_t, enum dma_data_direction);
      void (*sync_single_for_device)(struct device *, dma_addr_t, size_t, enum dma_data_direction);
      void (*sync_sg_for_cpu)(struct device *, struct scatterlist *, int, enum dma_data_direction);
      void (*sync_sg_for_device)(struct device *, struct scatterlist *, int, enum dma_data_direction);
      void (*cache_sync)(struct device *, void *, size_t, enum dma_data_direction);
      int (*dma_supported)(struct device *, u64);
      u64 (*get_required_mask)(struct device *);
      size_t (*max_mapping_size)(struct device *);
      long unsigned int (*get_merge_boundary)(struct device *);
  };
  

• In gcp: ✅

  struct dma_map_ops {
      void * (*alloc)(struct device *, size_t, dma_addr_t *, gfp_t, long unsigned int);
      void (*free)(struct device *, size_t, void *, dma_addr_t, long unsigned int);
      int (*mmap)(struct device *, struct vm_area_struct *, void *, dma_addr_t, size_t, long unsigned int);
      int (*get_sgtable)(struct device *, struct sg_table *, void *, dma_addr_t, size_t, long unsigned int);
      dma_addr_t (*map_page)(struct device *, struct page *, long unsigned int, size_t, enum dma_data_direction, long unsigned int);
      void (*unmap_page)(struct device *, dma_addr_t, size_t, enum dma_data_direction, long unsigned int);
      int (*map_sg)(struct device *, struct scatterlist *, int, enum dma_data_direction, long unsigned int);
      void (*unmap_sg)(struct device *, struct scatterlist *, int, enum dma_data_direction, long unsigned int);
      dma_addr_t (*map_resource)(struct device *, phys_addr_t, size_t, enum dma_data_direction, long unsigned int);
      void (*unmap_resource)(struct device *, dma_addr_t, size_t, enum dma_data_direction, long unsigned int);
      void (*sync_single_for_cpu)(struct device *, dma_addr_t, size_t, enum dma_data_direction);
      void (*sync_single_for_device)(struct device *, dma_addr_t, size_t, enum dma_data_direction);
      void (*sync_sg_for_cpu)(struct device *, struct scatterlist *, int, enum dma_data_direction);
      void (*sync_sg_for_device)(struct device *, struct scatterlist *, int, enum dma_data_direction);
      void (*cache_sync)(struct device *, void *, size_t, enum dma_data_direction);
      int (*dma_supported)(struct device *, u64);
      u64 (*get_required_mask)(struct device *);
      size_t (*max_mapping_size)(struct device *);
      long unsigned int (*get_merge_boundary)(struct device *);
  };
  

• In lowlatency: ✅

  struct dma_map_ops {
      void * (*alloc)(struct device *, size_t, dma_addr_t *, gfp_t, long unsigned int);
      void (*free)(struct device *, size_t, void *, dma_addr_t, long unsigned int);
      int (*mmap)(struct device *, struct vm_area_struct *, void *, dma_addr_t, size_t, long unsigned int);
      int (*get_sgtable)(struct device *, struct sg_table *, void *, dma_addr_t, size_t, long unsigned int);
      dma_addr_t (*map_page)(struct device *, struct page *, long unsigned int, size_t, enum dma_data_direction, long unsigned int);
      void (*unmap_page)(struct device *, dma_addr_t, size_t, enum dma_data_direction, long unsigned int);
      int (*map_sg)(struct device *, struct scatterlist *, int, enum dma_data_direction, long unsigned int);
      void (*unmap_sg)(struct device *, struct scatterlist *, int, enum dma_data_direction, long unsigned int);
      dma_addr_t (*map_resource)(struct device *, phys_addr_t, size_t, enum dma_data_direction, long unsigned int);
      void (*unmap_resource)(struct device *, dma_addr_t, size_t, enum dma_data_direction, long unsigned int);
      void (*sync_single_for_cpu)(struct device *, dma_addr_t, size_t, enum dma_data_direction);
      void (*sync_single_for_device)(struct device *, dma_addr_t, size_t, enum dma_data_direction);
      void (*sync_sg_for_cpu)(struct device *, struct scatterlist *, int, enum dma_data_direction);
      void (*sync_sg_for_device)(struct device *, struct scatterlist *, int, enum dma_data_direction);
      void (*cache_sync)(struct device *, void *, size_t, enum dma_data_direction);
      int (*dma_supported)(struct device *, u64);
      u64 (*get_required_mask)(struct device *);
      size_t (*max_mapping_size)(struct device *);
      long unsigned int (*get_merge_boundary)(struct device *);
  };
  

Differences

Regular

• Changed between 4.4 and 4.8 ⚠️

  • Field type changed. void * (*alloc)(struct device *, size_t, dma_addr_t *, gfp_t, struct dma_attrs *) ➡️ void * (*alloc)(struct device *, size_t, dma_addr_t *, gfp_t, long unsigned int)
  • Field type changed. void (*free)(struct device *, size_t, void *, dma_addr_t, struct dma_attrs *) ➡️ void (*free)(struct device *, size_t, void *, dma_addr_t, long unsigned int)
  • Field type changed. int (*mmap)(struct device *, struct vm_area_struct *, void *, dma_addr_t, size_t, struct dma_attrs *) ➡️ int (*mmap)(struct device *, struct vm_area_struct *, void *, dma_addr_t, size_t, long unsigned int)
  • Field type changed. int (*get_sgtable)(struct device *, struct sg_table *, void *, dma_addr_t, size_t, struct dma_attrs *) ➡️ int (*get_sgtable)(struct device *, struct sg_table *, void *, dma_addr_t, size_t, long unsigned int)
  • Field type changed. dma_addr_t (*map_page)(struct device *, struct page *, long unsigned int, size_t, enum dma_data_direction, struct dma_attrs *) ➡️ dma_addr_t (*map_page)(struct device *, struct page *, long unsigned int, size_t, enum dma_data_direction, long unsigned int)
  • Field type changed. void (*unmap_page)(struct device *, dma_addr_t, size_t, enum dma_data_direction, struct dma_attrs *) ➡️ void (*unmap_page)(struct device *, dma_addr_t, size_t, enum dma_data_direction, long unsigned int)
  • Field type changed. int (*map_sg)(struct device *, struct scatterlist *, int, enum dma_data_direction, struct dma_attrs *) ➡️ int (*map_sg)(struct device *, struct scatterlist *, int, enum dma_data_direction, long unsigned int)
  • Field type changed. void (*unmap_sg)(struct device *, struct scatterlist *, int, enum dma_data_direction, struct dma_attrs *) ➡️ void (*unmap_sg)(struct device *, struct scatterlist *, int, enum dma_data_direction, long unsigned int)
• Changed between 4.8 and 4.10 ⚠️

  • Field added. dma_addr_t (*map_resource)(struct device *, phys_addr_t, size_t, enum dma_data_direction, long unsigned int)
  • Field added. void (*unmap_resource)(struct device *, dma_addr_t, size_t, enum dma_data_direction, long unsigned int)
• Changed between 4.10 and 4.13 ⚠️

  • Field removed. int (*set_dma_mask)(struct device *, u64)
• Changed between 4.13 and 4.15 ⚠️

  • Field added. void (*cache_sync)(struct device *, void *, size_t, enum dma_data_direction)
• Changed between 4.15 and 4.18 ⚠️

  • Field removed. int is_phys
• Changed between 4.18 and 5.0 ⚠️

  • Field added. u64 (*get_required_mask)(struct device *)
  • Field added. size_t (*max_mapping_size)(struct device *)
  • Field removed. int (*mapping_error)(struct device *, dma_addr_t)
• No changes between 5.0 and 5.3 ✅
• Changed between 5.3 and 5.4 ⚠️

  • Field added. long unsigned int (*get_merge_boundary)(struct device *)
• No changes between 5.4 and 5.8 ✅
• Changed between 5.8 and 5.11 ⚠️

  • Field added. struct page * (*alloc_pages)(struct device *, size_t, dma_addr_t *, enum dma_data_direction, gfp_t)
  • Field added. void (*free_pages)(struct device *, size_t, struct page *, dma_addr_t, enum dma_data_direction)
  • Field added. void * (*alloc_noncoherent)(struct device *, size_t, dma_addr_t *, enum dma_data_direction, gfp_t)
  • Field added. void (*free_noncoherent)(struct device *, size_t, void *, dma_addr_t, enum dma_data_direction)
• Changed between 5.11 and 5.13 ⚠️

  • Field added. struct sg_table * (*alloc_noncontiguous)(struct device *, size_t, enum dma_data_direction, gfp_t, long unsigned int)
  • Field added. void (*free_noncontiguous)(struct device *, size_t, struct sg_table *, enum dma_data_direction)
  • Field removed. void * (*alloc_noncoherent)(struct device *, size_t, dma_addr_t *, enum dma_data_direction, gfp_t)
  • Field removed. void (*free_noncoherent)(struct device *, size_t, void *, dma_addr_t, enum dma_data_direction)
• No changes between 5.13 and 5.15 ✅
• No changes between 5.15 and 5.19 ✅
• Changed between 5.19 and 6.2 ⚠️

  • Field added. unsigned int flags
  • Field added. size_t (*opt_mapping_size)()
• No changes between 6.2 and 6.5 ✅
• No changes between 6.5 and 6.8 ✅

Arch

• No changes between amd64 and arm64 ✅
• No changes between amd64 and armhf ✅
• No changes between amd64 and ppc64el ✅
• No changes between amd64 and riscv64 ✅

Flavor

• No changes between generic and aws ✅
• No changes between generic and azure ✅
• No changes between generic and gcp ✅
• No changes between generic and lowlatency ✅