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
175
176
177
178
179
180
181
182
183
|
/*-
* Copyright (c) 1998
* HD Associates, Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by HD Associates, Inc
* 4. Neither the name of the author nor the names of any co-contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY HD ASSOCIATES 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 HD ASSOCIATES 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.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/queue.h>
#include <sys/sysctl.h>
#include <sys/vnode.h>
#include <sys/proc.h>
#include <sys/posix4.h>
static int facility[CTL_P1003_1B_MAXID - 1];
static int facility_initialized[CTL_P1003_1B_MAXID - 1];
static int p31b_sysctl_proc(SYSCTL_HANDLER_ARGS);
/* OID_AUTO isn't working with sysconf(3). I guess I'd have to
* modify it to do a lookup by name from the index.
* For now I've left it a top-level sysctl.
*/
#if 1
SYSCTL_DECL(_p1003_1b);
#define P1B_SYSCTL(num, name) \
SYSCTL_INT(_p1003_1b, num, name, CTLFLAG_RD | CTLFLAG_CAPRD, \
facility + num - 1, 0, "");
#define P1B_SYSCTL_RW(num, name) \
SYSCTL_PROC(_p1003_1b, num, name, CTLTYPE_INT | CTLFLAG_RW, NULL, num, \
p31b_sysctl_proc, "I", "");
#else
SYSCTL_DECL(_kern_p1003_1b);
#define P1B_SYSCTL(num, name) \
SYSCTL_INT(_kern_p1003_1b, OID_AUTO, name, CTLFLAG_RD | CTLFLAG_CAPRD, \
facility + num - 1, 0, "");
#define P1B_SYSCTL_RW(num, name) \
SYSCTL_PROC(_p1003_1b, OID_AUTO, name, CTLTYPE_INT | CTLFLAG_RW, NULL, \
num, p31b_sysctl_proc, "I", "");
SYSCTL_NODE(_kern, OID_AUTO, p1003_1b, CTLFLAG_RW, 0, "P1003.1B");
#endif
SYSCTL_INT(_p1003_1b, CTL_P1003_1B_ASYNCHRONOUS_IO, \
asynchronous_io, CTLFLAG_RD, &async_io_version, 0, "");
P1B_SYSCTL(CTL_P1003_1B_MAPPED_FILES, mapped_files);
P1B_SYSCTL(CTL_P1003_1B_MEMLOCK, memlock);
P1B_SYSCTL(CTL_P1003_1B_MEMLOCK_RANGE, memlock_range);
P1B_SYSCTL(CTL_P1003_1B_MEMORY_PROTECTION, memory_protection);
P1B_SYSCTL(CTL_P1003_1B_MESSAGE_PASSING, message_passing);
P1B_SYSCTL(CTL_P1003_1B_PRIORITIZED_IO, prioritized_io);
P1B_SYSCTL(CTL_P1003_1B_PRIORITY_SCHEDULING, priority_scheduling);
P1B_SYSCTL(CTL_P1003_1B_REALTIME_SIGNALS, realtime_signals);
P1B_SYSCTL(CTL_P1003_1B_SEMAPHORES, semaphores);
P1B_SYSCTL(CTL_P1003_1B_FSYNC, fsync);
P1B_SYSCTL(CTL_P1003_1B_SHARED_MEMORY_OBJECTS, shared_memory_objects);
P1B_SYSCTL(CTL_P1003_1B_SYNCHRONIZED_IO, synchronized_io);
P1B_SYSCTL(CTL_P1003_1B_TIMERS, timers);
P1B_SYSCTL(CTL_P1003_1B_AIO_LISTIO_MAX, aio_listio_max);
P1B_SYSCTL(CTL_P1003_1B_AIO_MAX, aio_max);
P1B_SYSCTL(CTL_P1003_1B_AIO_PRIO_DELTA_MAX, aio_prio_delta_max);
P1B_SYSCTL(CTL_P1003_1B_DELAYTIMER_MAX, delaytimer_max);
P1B_SYSCTL(CTL_P1003_1B_MQ_OPEN_MAX, mq_open_max);
P1B_SYSCTL(CTL_P1003_1B_PAGESIZE, pagesize);
P1B_SYSCTL(CTL_P1003_1B_RTSIG_MAX, rtsig_max);
P1B_SYSCTL_RW(CTL_P1003_1B_SEM_NSEMS_MAX, sem_nsems_max);
P1B_SYSCTL(CTL_P1003_1B_SEM_VALUE_MAX, sem_value_max);
P1B_SYSCTL(CTL_P1003_1B_SIGQUEUE_MAX, sigqueue_max);
P1B_SYSCTL(CTL_P1003_1B_TIMER_MAX, timer_max);
#define P31B_VALID(num) ((num) >= 1 && (num) < CTL_P1003_1B_MAXID)
static int
p31b_sysctl_proc(SYSCTL_HANDLER_ARGS)
{
int error, num, val;
num = arg2;
if (!P31B_VALID(num))
return (EINVAL);
val = facility_initialized[num] ? facility[num - 1] : 0;
error = sysctl_handle_int(oidp, &val, 0, req);
if (error == 0 && req->newptr != NULL && facility_initialized[num])
facility[num - 1] = val;
return (error);
}
/* p31b_setcfg: Set the configuration
*/
void
p31b_setcfg(int num, int value)
{
if (P31B_VALID(num)) {
facility[num - 1] = value;
facility_initialized[num - 1] = 1;
}
}
void
p31b_unsetcfg(int num)
{
facility[num - 1] = 0;
facility_initialized[num -1] = 0;
}
int
p31b_getcfg(int num)
{
if (P31B_VALID(num))
return (facility[num - 1]);
return (0);
}
int
p31b_iscfg(int num)
{
if (P31B_VALID(num))
return (facility_initialized[num - 1]);
return (0);
}
/*
* Turn on indications for standard (non-configurable) kernel features.
*/
static void
p31b_set_standard(void *dummy)
{
p31b_setcfg(CTL_P1003_1B_FSYNC, 200112L);
p31b_setcfg(CTL_P1003_1B_MAPPED_FILES, 200112L);
p31b_setcfg(CTL_P1003_1B_SHARED_MEMORY_OBJECTS, 200112L);
p31b_setcfg(CTL_P1003_1B_PAGESIZE, PAGE_SIZE);
if (!p31b_iscfg(CTL_P1003_1B_AIO_LISTIO_MAX))
p31b_setcfg(CTL_P1003_1B_AIO_LISTIO_MAX, -1);
if (!p31b_iscfg(CTL_P1003_1B_AIO_MAX))
p31b_setcfg(CTL_P1003_1B_AIO_MAX, -1);
if (!p31b_iscfg(CTL_P1003_1B_AIO_PRIO_DELTA_MAX))
p31b_setcfg(CTL_P1003_1B_AIO_PRIO_DELTA_MAX, -1);
}
SYSINIT(p31b_set_standard, SI_SUB_P1003_1B, SI_ORDER_ANY, p31b_set_standard,
0);
|
