| /******************************************************************************* |
| Copyright (C) Marvell International Ltd. and its affiliates |
| |
| This software file (the "File") is owned and distributed by Marvell |
| International Ltd. and/or its affiliates ("Marvell") under the following |
| alternative licensing terms. Once you have made an election to distribute the |
| File under one of the following license alternatives, please (i) delete this |
| introductory statement regarding license alternatives, (ii) delete the two |
| license alternatives that you have not elected to use and (iii) preserve the |
| Marvell copyright notice above. |
| |
| ******************************************************************************** |
| Marvell Commercial License Option |
| |
| If you received this File from Marvell and you have entered into a commercial |
| license agreement (a "Commercial License") with Marvell, the File is licensed |
| to you under the terms of the applicable Commercial License. |
| |
| ******************************************************************************** |
| Marvell GPL License Option |
| |
| If you received this File from Marvell, you may opt to use, redistribute and/or |
| modify this File in accordance with the terms and conditions of the General |
| Public License Version 2, June 1991 (the "GPL License"), a copy of which is |
| available along with the File in the license.txt file or by writing to the Free |
| Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 or |
| on the worldwide web at http://www.gnu.org/licenses/gpl.txt. |
| |
| THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE IMPLIED |
| WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ARE EXPRESSLY |
| DISCLAIMED. The GPL License provides additional details about this warranty |
| disclaimer. |
| ******************************************************************************** |
| Marvell BSD License Option |
| |
| If you received this File from Marvell, you may opt to use, redistribute and/or |
| modify this File under the following licensing terms. |
| Redistribution and use in source and binary forms, with or without modification, |
| are permitted provided that the following conditions are met: |
| |
| * Redistributions of source code must retain the above copyright notice, |
| this list of conditions and the following disclaimer. |
| |
| * Redistributions in binary form must reproduce the above copyright |
| notice, this list of conditions and the following disclaimer in the |
| documentation and/or other materials provided with the distribution. |
| |
| * Neither the name of Marvell nor the names of its contributors may be |
| used to endorse or promote products derived from this software without |
| specific prior written permission. |
| |
| 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 OWNER OR CONTRIBUTORS BE LIABLE FOR |
| ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON |
| ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| *******************************************************************************/ |
| #ifndef __INC_MVMEMPOOL_H__ |
| #define __INC_MVMEMPOOL_H__ |
| |
| #define NUM_OF_POOLS 4 |
| #define NUM_OF_NODES 30 |
| #define POOL_DATA_SZ_1 32 |
| #define POOL_DATA_SZ_2 160 |
| #define POOL_DATA_SZ_3 320 |
| #define POOL_DATA_SZ_4 540 |
| |
| #define MAX_DATA_SZ(hd) ((hd)->data_sz - sizeof(pool_node)) |
| |
| #undef MV_MEMPOOL_STAT |
| |
| #ifdef MV_MEMPOOL_STAT |
| typedef struct _pool_stat { |
| unsigned long alloc_req; /* total number of allocations */ |
| unsigned long free_req; /* total number of releases */ |
| unsigned long allocated; /* number of currently allocated buffers */ |
| unsigned long max_alloc; /* muximum number of outstanding allocations */ |
| |
| } pool_stat; |
| #endif |
| |
| typedef struct _pool_node { |
| struct _pool_node *next; |
| struct _pool_node *prev; |
| struct _pool_head *head; |
| unsigned char data; |
| |
| } pool_node; |
| |
| typedef struct _pool_head { |
| pool_node *free_list; |
| pool_node *busy_list; |
| unsigned int data_sz; |
| #ifdef MV_MEMPOOL_STAT |
| pool_stat stat; |
| #endif |
| |
| } pool_head; |
| |
| pool_head * mpool_init (void); |
| void * mpool_alloc (pool_head *head, int size); |
| void * mpool_grow (pool_head *head, void *mr, int new_size); |
| void mpool_free (void *mr); |
| #ifdef MV_MEMPOOL_STAT |
| void mpool_print_stat(void); |
| void mpool_reset_stat(void); |
| #endif |
| |
| #endif /* __INC_MVMEMPOOL_H__ */ |