u-dma-buf-funcs.h

/*********************************************************************************
 *
 *       Copyright (C) 2015-2024 Ichiro Kawazome
 *       All rights reserved.
 * 
 *       Redistribution and use in source and binary forms, with or without
 *       modification, are permitted provided that the following conditions
 *       are met:
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 *         1. Redistributions of source code must retain the above copyright
 *            notice, this list of conditions and the following disclaimer.
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 *         2. Redistributions in binary form must reproduce the above copyright
 *            notice, this list of conditions and the following disclaimer in
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 *            distribution.
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 *       THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 *       "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 *       LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 *       A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT
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 *       LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 ********************************************************************************/
#ifndef  U_DMA_BUF_FUNCS_H
#define  U_DMA_BUF_FUNCS_H
struct device*   u_dma_buf_device_search(const char* name, int id);
struct device*   u_dma_buf_device_create(const char* name, int id, size_t size, u64 option, struct device* parent);
int              u_dma_buf_device_remove(struct device *dev);
int              u_dma_buf_device_getmap(struct device *dev, size_t* size, void** virt_addr, dma_addr_t* phys_addr);
int              u_dma_buf_device_sync(struct device *dev, int command, int direction, u64 offset, ssize_t size);
struct bus_type* u_dma_buf_find_available_bus_type(char* name, int name_len);
#endif /* #ifndef U_DMA_BUF_FUNCS_H */