13d0407baSopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 */ 23d0407baSopenharmony_ci/* 33d0407baSopenharmony_ci * Copyright (c) 2021 Rockchip Electronics Co. Ltd. 43d0407baSopenharmony_ci */ 53d0407baSopenharmony_ci#ifndef _LINUX_DMA_BUF_CACHE_H 63d0407baSopenharmony_ci#define _LINUX_DMA_BUF_CACHE_H 73d0407baSopenharmony_ci 83d0407baSopenharmony_ci#include <linux/dma-buf.h> 93d0407baSopenharmony_ci 103d0407baSopenharmony_ciextern void dma_buf_cache_detach(struct dma_buf *dmabuf, 113d0407baSopenharmony_ci struct dma_buf_attachment *attach); 123d0407baSopenharmony_ci 133d0407baSopenharmony_ciextern void dma_buf_cache_unmap_attachment(struct dma_buf_attachment *attach, 143d0407baSopenharmony_ci struct sg_table *sg_table, 153d0407baSopenharmony_ci enum dma_data_direction direction); 163d0407baSopenharmony_ci 173d0407baSopenharmony_ciextern struct dma_buf_attachment * 183d0407baSopenharmony_cidma_buf_cache_attach(struct dma_buf *dmabuf, struct device *dev); 193d0407baSopenharmony_ci 203d0407baSopenharmony_ciextern struct sg_table * 213d0407baSopenharmony_cidma_buf_cache_map_attachment(struct dma_buf_attachment *attach, 223d0407baSopenharmony_ci enum dma_data_direction direction); 233d0407baSopenharmony_ci 243d0407baSopenharmony_ci#ifdef CONFIG_DMABUF_CACHE 253d0407baSopenharmony_ci/* Replace dma-buf apis to cached apis */ 263d0407baSopenharmony_ci#define dma_buf_attach dma_buf_cache_attach 273d0407baSopenharmony_ci#define dma_buf_detach dma_buf_cache_detach 283d0407baSopenharmony_ci#define dma_buf_map_attachment dma_buf_cache_map_attachment 293d0407baSopenharmony_ci#define dma_buf_unmap_attachment dma_buf_cache_unmap_attachment 303d0407baSopenharmony_ci#endif 313d0407baSopenharmony_ci 323d0407baSopenharmony_ci#endif /* _LINUX_DMA_BUF_CACHE_H */ 33