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author | Jo-Philipp Wich <jow@openwrt.org> | 2010-05-04 21:00:14 +0000 |
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committer | Jo-Philipp Wich <jow@openwrt.org> | 2010-05-04 21:00:14 +0000 |
commit | 0ff83e90ba5f0ed1d900813b470f61527500fdd8 (patch) | |
tree | 24468146cc7991ce8fa77e110d197a03582501bc /target/linux/generic-2.4/files/crypto/ocf/kirkwood/cesa/mvLru.c | |
parent | 32e7340bf26d1d59aefb14bf1af4c2e3cb9a9642 (diff) | |
download | upstream-0ff83e90ba5f0ed1d900813b470f61527500fdd8.tar.gz upstream-0ff83e90ba5f0ed1d900813b470f61527500fdd8.tar.bz2 upstream-0ff83e90ba5f0ed1d900813b470f61527500fdd8.zip |
add OCF 20100325 support to brcm-2.4
SVN-Revision: 21357
Diffstat (limited to 'target/linux/generic-2.4/files/crypto/ocf/kirkwood/cesa/mvLru.c')
-rw-r--r-- | target/linux/generic-2.4/files/crypto/ocf/kirkwood/cesa/mvLru.c | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/target/linux/generic-2.4/files/crypto/ocf/kirkwood/cesa/mvLru.c b/target/linux/generic-2.4/files/crypto/ocf/kirkwood/cesa/mvLru.c new file mode 100644 index 0000000000..9ab29a883a --- /dev/null +++ b/target/linux/generic-2.4/files/crypto/ocf/kirkwood/cesa/mvLru.c @@ -0,0 +1,158 @@ +/******************************************************************************* +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. + +*******************************************************************************/ + +#include "mvOs.h" +#include "mvLru.h" +/* LRU Cache support */ + + +/* Init LRU cache database */ +MV_LRU_CACHE* mvLruCacheInit(int numOfEntries) +{ + int i; + MV_LRU_CACHE* pLruCache; + + pLruCache = mvOsMalloc(sizeof(MV_LRU_CACHE)); + if(pLruCache == NULL) + { + return NULL; + } + memset(pLruCache, 0, sizeof(MV_LRU_CACHE)); + + pLruCache->table = mvOsMalloc(numOfEntries*sizeof(MV_LRU_ENTRY)); + if(pLruCache->table == NULL) + { + mvOsFree(pLruCache); + return NULL; + } + memset(pLruCache->table, 0, numOfEntries*sizeof(MV_LRU_ENTRY)); + pLruCache->tableSize = numOfEntries; + + for(i=0; i<numOfEntries; i++) + { + pLruCache->table[i].next = i+1; + pLruCache->table[i].prev = i-1; + } + pLruCache->least = 0; + pLruCache->most = numOfEntries-1; + + return pLruCache; +} + +void mvLruCacheFinish(MV_LRU_CACHE* pLruCache) +{ + mvOsFree(pLruCache->table); + mvOsFree(pLruCache); +} + +/* Update LRU cache database after using cache Index */ +void mvLruCacheIdxUpdate(MV_LRU_CACHE* pLruHndl, int cacheIdx) +{ + int prev, next; + + if(cacheIdx == pLruHndl->most) + return; + + next = pLruHndl->table[cacheIdx].next; + if(cacheIdx == pLruHndl->least) + { + pLruHndl->least = next; + } + else + { + prev = pLruHndl->table[cacheIdx].prev; + + pLruHndl->table[next].prev = prev; + pLruHndl->table[prev].next = next; + } + + pLruHndl->table[pLruHndl->most].next = cacheIdx; + pLruHndl->table[cacheIdx].prev = pLruHndl->most; + pLruHndl->most = cacheIdx; +} + +/* Delete LRU cache entry */ +void mvLruCacheIdxDelete(MV_LRU_CACHE* pLruHndl, int cacheIdx) +{ + int prev, next; + + if(cacheIdx == pLruHndl->least) + return; + + prev = pLruHndl->table[cacheIdx].prev; + if(cacheIdx == pLruHndl->most) + { + pLruHndl->most = prev; + } + else + { + next = pLruHndl->table[cacheIdx].next; + + pLruHndl->table[next].prev = prev; + pLruHndl->table[prev].next = next; + } + pLruHndl->table[pLruHndl->least].prev = cacheIdx; + pLruHndl->table[cacheIdx].next = pLruHndl->least; + pLruHndl->least = cacheIdx; +} |