2019-01-18 12:27:45 +03:00
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/*-
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* BSD LICENSE
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*
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* Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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2017-04-21 13:43:26 +03:00
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*/
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#ifndef _TB_MEM_H_
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#define _TB_MEM_H_
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/**
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* @file
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*
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* RTE ACL temporary (build phase) memory management.
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* Contains structures and functions to manage temporary (used by build only)
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* memory. Memory allocated in large blocks to speed 'free' when trie is
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* destructed (finish of build phase).
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <rte_acl_osdep.h>
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#include <setjmp.h>
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struct tb_mem_block {
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struct tb_mem_block *next;
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struct tb_mem_pool *pool;
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size_t size;
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uint8_t *mem;
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};
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struct tb_mem_pool {
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struct tb_mem_block *block;
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size_t alignment;
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size_t min_alloc;
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size_t alloc;
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/* jump target in case of memory allocation failure. */
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sigjmp_buf fail;
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};
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void *tb_alloc(struct tb_mem_pool *pool, size_t size);
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void tb_free_pool(struct tb_mem_pool *pool);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _TB_MEM_H_ */
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