| /* 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 */ |