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authorChristoph Hellwig <hch@lst.de>2020-10-20 11:41:07 +0300
committerChristoph Hellwig <hch@lst.de>2020-10-20 11:41:07 +0300
commit695cebe58dcf3d9802cdfa9c327b5c7641a5914b (patch)
tree4d87fa02bb79c0ed14e620b50149c344150727eb /include/linux/dma-map-ops.h
parent0eb3b4ab762df44f2cff982ddb8f42b3085f4e52 (diff)
downloadlinux-695cebe58dcf3d9802cdfa9c327b5c7641a5914b.tar.xz
dma-mapping: move more functions to dma-map-ops.h
Due to a mismerge a bunch of prototypes that should have moved to dma-map-ops.h are still in dma-mapping.h, fix that up. Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'include/linux/dma-map-ops.h')
-rw-r--r--include/linux/dma-map-ops.h23
1 files changed, 23 insertions, 0 deletions
diff --git a/include/linux/dma-map-ops.h b/include/linux/dma-map-ops.h
index 8029f7e04145..a5f89fc4d6df 100644
--- a/include/linux/dma-map-ops.h
+++ b/include/linux/dma-map-ops.h
@@ -203,6 +203,29 @@ static inline int dma_mmap_from_global_coherent(struct vm_area_struct *vma,
}
#endif /* CONFIG_DMA_DECLARE_COHERENT */
+int dma_common_get_sgtable(struct device *dev, struct sg_table *sgt,
+ void *cpu_addr, dma_addr_t dma_addr, size_t size,
+ unsigned long attrs);
+int dma_common_mmap(struct device *dev, struct vm_area_struct *vma,
+ void *cpu_addr, dma_addr_t dma_addr, size_t size,
+ unsigned long attrs);
+struct page *dma_common_alloc_pages(struct device *dev, size_t size,
+ dma_addr_t *dma_handle, enum dma_data_direction dir, gfp_t gfp);
+void dma_common_free_pages(struct device *dev, size_t size, struct page *vaddr,
+ dma_addr_t dma_handle, enum dma_data_direction dir);
+
+struct page **dma_common_find_pages(void *cpu_addr);
+void *dma_common_contiguous_remap(struct page *page, size_t size, pgprot_t prot,
+ const void *caller);
+void *dma_common_pages_remap(struct page **pages, size_t size, pgprot_t prot,
+ const void *caller);
+void dma_common_free_remap(void *cpu_addr, size_t size);
+
+struct page *dma_alloc_from_pool(struct device *dev, size_t size,
+ void **cpu_addr, gfp_t flags,
+ bool (*phys_addr_ok)(struct device *, phys_addr_t, size_t));
+bool dma_free_from_pool(struct device *dev, void *start, size_t size);
+
#ifdef CONFIG_ARCH_HAS_DMA_COHERENCE_H
#include <asm/dma-coherence.h>
#elif defined(CONFIG_ARCH_HAS_SYNC_DMA_FOR_DEVICE) || \