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(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
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12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152/* SPDX-License-Identifier: GPL-2.0 *//* * DMABUF Heaps Allocation Infrastructure * * Copyright (C) 2011 Google, Inc. * Copyright (C) 2019 Linaro Ltd. */
#ifndef _DMA_HEAPS_H#define _DMA_HEAPS_H
#include <linux/types.h>
struct dma_heap;
/** * struct dma_heap_ops - ops to operate on a given heap * @allocate: allocate dmabuf and return struct dma_buf ptr * * allocate returns dmabuf on success, ERR_PTR(-errno) on error. */struct dma_heap_ops { struct dma_buf *(*allocate)(struct dma_heap *heap, unsigned long len, u32 fd_flags, u64 heap_flags);};
/** * struct dma_heap_export_info - information needed to export a new dmabuf heap * @name: used for debugging/device-node name * @ops: ops struct for this heap * @priv: heap exporter private data * * Information needed to export a new dmabuf heap. */struct dma_heap_export_info { const char *name; const struct dma_heap_ops *ops; void *priv;};
void *dma_heap_get_drvdata(struct dma_heap *heap);
const char *dma_heap_get_name(struct dma_heap *heap);
struct dma_heap *dma_heap_add(const struct dma_heap_export_info *exp_info);
extern bool mem_accounting;
#endif /* _DMA_HEAPS_H */