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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Support for Intel Camera Imaging ISP subsystem.
* Copyright (c) 2010 - 2015, Intel Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*/
#ifndef _IA_CSS_RMGR_VBUF_H
#define _IA_CSS_RMGR_VBUF_H
#include "ia_css_rmgr.h"
#include <type_support.h>
#include <ia_css_types.h>
#include <system_local.h>
/**
* @brief Data structure for the resource handle (host, vbuf)
*/
struct ia_css_rmgr_vbuf_handle {
ia_css_ptr vptr;
u8 count;
u32 size;
};
/**
* @brief Data structure for the resource pool (host, vbuf)
*/
struct ia_css_rmgr_vbuf_pool {
u8 copy_on_write;
u8 recycle;
u32 size;
u32 index;
struct ia_css_rmgr_vbuf_handle **handles;
};
/**
* @brief VBUF resource pools
*/
extern struct ia_css_rmgr_vbuf_pool *vbuf_ref;
extern struct ia_css_rmgr_vbuf_pool *vbuf_write;
extern struct ia_css_rmgr_vbuf_pool *hmm_buffer_pool;
/**
* @brief Initialize the resource pool (host, vbuf)
*
* @param pool The pointer to the pool
*/
STORAGE_CLASS_RMGR_H int ia_css_rmgr_init_vbuf(
struct ia_css_rmgr_vbuf_pool *pool);
/**
* @brief Uninitialize the resource pool (host, vbuf)
*
* @param pool The pointer to the pool
*/
STORAGE_CLASS_RMGR_H void ia_css_rmgr_uninit_vbuf(
struct ia_css_rmgr_vbuf_pool *pool);
/**
* @brief Acquire a handle from the pool (host, vbuf)
*
* @param pool The pointer to the pool
* @param handle The pointer to the handle
*/
STORAGE_CLASS_RMGR_H void ia_css_rmgr_acq_vbuf(
struct ia_css_rmgr_vbuf_pool *pool,
struct ia_css_rmgr_vbuf_handle **handle);
/**
* @brief Release a handle to the pool (host, vbuf)
*
* @param pool The pointer to the pool
* @param handle The pointer to the handle
*/
STORAGE_CLASS_RMGR_H void ia_css_rmgr_rel_vbuf(
struct ia_css_rmgr_vbuf_pool *pool,
struct ia_css_rmgr_vbuf_handle **handle);
/**
* @brief Retain the reference count for a handle (host, vbuf)
*
* @param handle The pointer to the handle
*/
void ia_css_rmgr_refcount_retain_vbuf(struct ia_css_rmgr_vbuf_handle **handle);
/**
* @brief Release the reference count for a handle (host, vbuf)
*
* @param handle The pointer to the handle
*/
void ia_css_rmgr_refcount_release_vbuf(struct ia_css_rmgr_vbuf_handle **handle);
#endif /* _IA_CSS_RMGR_VBUF_H */
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