DPDK
17.08.2
Main Page
Related Pages
Data Structures
Files
Examples
File List
Globals
lib
librte_eal
common
include
rte_eal_memconfig.h
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 _RTE_EAL_MEMCONFIG_H_
35
#define _RTE_EAL_MEMCONFIG_H_
36
37
#include <
rte_tailq.h
>
38
#include <
rte_memory.h
>
39
#include <
rte_memzone.h
>
40
#include <rte_malloc_heap.h>
41
#include <
rte_rwlock.h
>
42
#include <
rte_pause.h
>
43
44
#ifdef __cplusplus
45
extern
"C"
{
46
#endif
47
53
struct
rte_mem_config
{
54
volatile
uint32_t
magic
;
56
/* memory topology */
57
uint32_t
nchannel
;
58
uint32_t
nrank
;
67
rte_rwlock_t
mlock
;
68
rte_rwlock_t
qlock
;
69
rte_rwlock_t
mplock
;
71
uint32_t
memzone_cnt
;
73
/* memory segments and zones */
74
struct
rte_memseg
memseg
[RTE_MAX_MEMSEG];
75
struct
rte_memzone
memzone
[RTE_MAX_MEMZONE];
77
struct
rte_tailq_head
tailq_head
[RTE_MAX_TAILQ];
79
/* Heaps of Malloc per socket */
80
struct
malloc_heap
malloc_heaps[RTE_MAX_NUMA_NODES];
81
82
/* address of mem_config in primary process. used to map shared config into
83
* exact same address the primary process maps it.
84
*/
85
uint64_t mem_cfg_addr;
86
} __attribute__((__packed__));
87
88
89
inline
static
void
90
rte_eal_mcfg_wait_complete(
struct
rte_mem_config
* mcfg)
91
{
92
/* wait until shared mem_config finish initialising */
93
while
(mcfg->
magic
!=
RTE_MAGIC
)
94
rte_pause
();
95
}
96
97
#ifdef __cplusplus
98
}
99
#endif
100
101
#endif
/*__RTE_EAL_MEMCONFIG_H_*/
Generated by
1.8.1.2