xref: /dpdk/lib/acl/tb_mem.h (revision 7a335720575507f55b723b1e10bfea7daeba1386)
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright(c) 2010-2014 Intel Corporation
3  */
4 
5 #ifndef _TB_MEM_H_
6 #define _TB_MEM_H_
7 
8 /**
9  * @file
10  *
11  * RTE ACL temporary (build phase) memory management.
12  * Contains structures and functions to manage temporary (used by build only)
13  * memory. Memory allocated in large blocks to speed 'free' when trie is
14  * destructed (finish of build phase).
15  */
16 
17 #include <rte_acl_osdep.h>
18 #include <setjmp.h>
19 
20 struct tb_mem_block {
21 	struct tb_mem_block *next;
22 	struct tb_mem_pool  *pool;
23 	size_t               size;
24 	uint8_t             *mem;
25 };
26 
27 struct tb_mem_pool {
28 	struct tb_mem_block *block;
29 	size_t               alignment;
30 	size_t               min_alloc;
31 	size_t               alloc;
32 	/* jump target in case of memory allocation failure. */
33 	sigjmp_buf           fail;
34 };
35 
36 void *tb_alloc(struct tb_mem_pool *pool, size_t size);
37 void tb_free_pool(struct tb_mem_pool *pool);
38 
39 #endif /* _TB_MEM_H_ */
40