1 /*- 2 * BSD LICENSE 3 * 4 * Copyright(c) 2010-2014 Intel Corporation. All rights reserved. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 11 * * Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * * Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in 15 * the documentation and/or other materials provided with the 16 * distribution. 17 * * Neither the name of Intel Corporation nor the names of its 18 * contributors may be used to endorse or promote products derived 19 * from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 24 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 25 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 27 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #ifndef _TB_MEM_H_ 35 #define _TB_MEM_H_ 36 37 /** 38 * @file 39 * 40 * RTE ACL temporary (build phase) memory management. 41 * Contains structures and functions to manage temporary (used by build only) 42 * memory. Memory allocated in large blocks to speed 'free' when trie is 43 * destructed (finish of build phase). 44 */ 45 46 #ifdef __cplusplus 47 extern "C" { 48 #endif 49 50 #include <rte_acl_osdep.h> 51 #include <setjmp.h> 52 53 struct tb_mem_block { 54 struct tb_mem_block *next; 55 struct tb_mem_pool *pool; 56 size_t size; 57 uint8_t *mem; 58 }; 59 60 struct tb_mem_pool { 61 struct tb_mem_block *block; 62 size_t alignment; 63 size_t min_alloc; 64 size_t alloc; 65 /* jump target in case of memory allocation failure. */ 66 sigjmp_buf fail; 67 }; 68 69 void *tb_alloc(struct tb_mem_pool *pool, size_t size); 70 void tb_free_pool(struct tb_mem_pool *pool); 71 72 #ifdef __cplusplus 73 } 74 #endif 75 76 #endif /* _TB_MEM_H_ */ 77