-
Notifications
You must be signed in to change notification settings - Fork 129
/
qat_fork.h
174 lines (160 loc) · 7.09 KB
/
qat_fork.h
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
/* ====================================================================
*
*
* BSD LICENSE
*
* Copyright(c) 2016-2024 Intel Corporation.
* All rights reserved.
*
* 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 Intel Corporation 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.
*
*
* ====================================================================
*/
/*****************************************************************************
* @file qat_fork.h
*
* This file provides an interface for forking in engine
*
*****************************************************************************/
#ifndef QAT_FORK_H
# define QAT_FORK_H
# include "e_qat.h"
int qat_fcntl(int fd, int cmd, int arg);
/******************************************************************************
* function:
* void engine_init_child_at_fork_handler(void)
*
* description:
* This function is registered, by the call to pthread_atfork(), as
* a function to be invoked in the child process prior to fork() returning.
******************************************************************************/
void engine_init_child_at_fork_handler(void);
/******************************************************************************
* function:
* void engine_finish_before_fork_handler(void)
*
* description:
* This function is registered, by the call to pthread_atfork(), as
* a function to be run (by the parent process) before a fork() function.
******************************************************************************/
void engine_finish_before_fork_handler(void);
/******************************************************************************
* function:
* int qat_create_thread(pthread_t *pThreadId,
* const pthread_attr_t *attr,
* void *(*start_func) (void *), void *pArg)
*
* @param pThreadId [OUT] - Pointer to Thread ID
* @param start_func [IN] - Pointer to Thread Start routine
* @param attr [IN] - Pointer to Thread attributes
* @param pArg [IN] - Arguments to start routine
*
* description:
* Wrapper function for pthread_create
******************************************************************************/
int qat_create_thread(pthread_t *pThreadId, const pthread_attr_t *attr,
void *(*start_func) (void *), void *pArg);
/******************************************************************************
* function:
* int qat_join_thread(pthread_t threadId, void **retval)
*
* @param pThreadId [IN] - Thread ID of the created thread
* @param retval [OUT] - Pointer that contains thread's exit status
*
* description:
* Wrapper function for pthread_create
******************************************************************************/
int qat_join_thread(pthread_t threadId, void **retval);
/******************************************************************************
* function:
* int qat_kill_thread(pthread_t threadId, int sig)
*
* @param pThreadId [IN] - Thread ID of the created thread
* @param sig [IN] - Signal number
*
* description:
* Wrapper function for pthread_kill
******************************************************************************/
int qat_kill_thread(pthread_t threadId, int sig);
/******************************************************************************
* function:
* int qat_setspecific_thread(pthread_key_t key, const void *value)
*
* @param key [IN] - key obtained from pthread_key_create()
* @param value [IN] - Thread specific value
*
* description:
* Wrapper function for pthread_setspecific
******************************************************************************/
int qat_setspecific_thread(pthread_key_t key, const void *value);
/******************************************************************************
* function:
* int qat_getspecific_thread(pthread_key_t key)
*
* @param key [IN] - key obtained from pthread_key_create()
*
* description:
* Wrapper function for pthread_getspecific
******************************************************************************/
void *qat_getspecific_thread(pthread_key_t key);
/******************************************************************************
* function:
* int qat_adjust_thread_affinity(pthread_t threadptr);
*
* @param threadptr[IN ] - Thread ID
*
* description:
* Sets the CPU affinity mask using pthread_setaffinity_np
* and returns the CPU affinity mask using pthread_getaffinity_np
******************************************************************************/
int qat_adjust_thread_affinity(pthread_t threadptr);
/******************************************************************************
* function:
* int qat_set_instance_for_thread(long instanceNum)
*
* @param instanceNum [IN] - logical instance number
*
* description:
* Bind the current thread to a particular logical Cy instance. Note that if
* instanceNum is greater than the number of configured instances, the
* modulus operation is used.
*
******************************************************************************/
int qat_set_instance_for_thread(long instanceNum);
/******************************************************************************
* function:
* void *qat_mem_alloc(size_t memsize, int inst_mem_type,
* const char *file, int line)
*
* description:
* Wrapper funcation to memory allocation based on instance type (SVM or pinned
* contiguous memory)
*
******************************************************************************/
void *qat_mem_alloc(size_t memsize, int inst_mem_type, const char *file, int line);
#endif /* QAT_FORK_H */