28 lines
767 B
C
Executable File
28 lines
767 B
C
Executable File
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* DMA BUF PagePool implementation
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* Based on earlier ION code by Google
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*
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* Copyright (C) 2011 Google, Inc.
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* Copyright (C) 2020 Linaro Ltd.
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*/
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#ifndef _DMABUF_PAGE_POOL_H
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#define _DMABUF_PAGE_POOL_H
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#include <linux/mm_types.h>
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#include <linux/types.h>
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struct dmabuf_page_pool;
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struct dmabuf_page_pool *dmabuf_page_pool_create(gfp_t gfp_mask,
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unsigned int order);
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void dmabuf_page_pool_destroy(struct dmabuf_page_pool *pool);
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struct page *dmabuf_page_pool_alloc(struct dmabuf_page_pool *pool);
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void dmabuf_page_pool_free(struct dmabuf_page_pool *pool, struct page *page);
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/* get pool size in bytes */
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unsigned long dmabuf_page_pool_get_size(struct dmabuf_page_pool *pool);
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#endif /* _DMABUF_PAGE_POOL_H */
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