1 /*-
2 * Copyright (c) 1998
3 * HD Associates, Inc. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by HD Associates, Inc
16 * 4. Neither the name of the author nor the names of any co-contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY HD ASSOCIATES AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL HD ASSOCIATES OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 *
32 * $FreeBSD: releng/5.0/sys/posix4/posix4_mib.c 106998 2002-11-17 04:15:34Z alfred $
33 */
34
35 #include <sys/param.h>
36 #include <sys/kernel.h>
37 #include <sys/queue.h>
38 #include <sys/sysctl.h>
39 #include <sys/vnode.h>
40 #include <posix4/posix4.h>
41
42 static int facility[CTL_P1003_1B_MAXID - 1];
43 static int facility_initialized[CTL_P1003_1B_MAXID - 1];
44
45 /* OID_AUTO isn't working with sysconf(3). I guess I'd have to
46 * modify it to do a lookup by name from the index.
47 * For now I've left it a top-level sysctl.
48 */
49
50 #if 1
51
52 SYSCTL_DECL(_p1003_1b);
53
54 #define P1B_SYSCTL(num, name) \
55 SYSCTL_INT(_p1003_1b, num, \
56 name, CTLFLAG_RD, facility + num - 1, 0, "");
57
58 #else
59
60 SYSCTL_DECL(_kern_p1003_1b);
61
62 #define P1B_SYSCTL(num, name) \
63 SYSCTL_INT(_kern_p1003_1b, OID_AUTO, \
64 name, CTLFLAG_RD, facility + num - 1, 0, "");
65 SYSCTL_NODE(_kern, OID_AUTO, p1003_1b, CTLFLAG_RW, 0, "P1003.1B");
66
67 #endif
68
69 SYSCTL_INT(_p1003_1b, CTL_P1003_1B_ASYNCHRONOUS_IO, \
70 asynchronous_io, CTLFLAG_RD, &async_io_version, 0, "");
71 P1B_SYSCTL(CTL_P1003_1B_MAPPED_FILES, mapped_files);
72 P1B_SYSCTL(CTL_P1003_1B_MEMLOCK, memlock);
73 P1B_SYSCTL(CTL_P1003_1B_MEMLOCK_RANGE, memlock_range);
74 P1B_SYSCTL(CTL_P1003_1B_MEMORY_PROTECTION, memory_protection);
75 P1B_SYSCTL(CTL_P1003_1B_MESSAGE_PASSING, message_passing);
76 P1B_SYSCTL(CTL_P1003_1B_PRIORITIZED_IO, prioritized_io);
77 P1B_SYSCTL(CTL_P1003_1B_PRIORITY_SCHEDULING, priority_scheduling);
78 P1B_SYSCTL(CTL_P1003_1B_REALTIME_SIGNALS, realtime_signals);
79 P1B_SYSCTL(CTL_P1003_1B_SEMAPHORES, semaphores);
80 P1B_SYSCTL(CTL_P1003_1B_FSYNC, fsync);
81 P1B_SYSCTL(CTL_P1003_1B_SHARED_MEMORY_OBJECTS, shared_memory_objects);
82 P1B_SYSCTL(CTL_P1003_1B_SYNCHRONIZED_IO, synchronized_io);
83 P1B_SYSCTL(CTL_P1003_1B_TIMERS, timers);
84 P1B_SYSCTL(CTL_P1003_1B_AIO_LISTIO_MAX, aio_listio_max);
85 P1B_SYSCTL(CTL_P1003_1B_AIO_MAX, aio_max);
86 P1B_SYSCTL(CTL_P1003_1B_AIO_PRIO_DELTA_MAX, aio_prio_delta_max);
87 P1B_SYSCTL(CTL_P1003_1B_DELAYTIMER_MAX, delaytimer_max);
88 P1B_SYSCTL(CTL_P1003_1B_MQ_OPEN_MAX, mq_open_max);
89 P1B_SYSCTL(CTL_P1003_1B_PAGESIZE, pagesize);
90 P1B_SYSCTL(CTL_P1003_1B_RTSIG_MAX, rtsig_max);
91 P1B_SYSCTL(CTL_P1003_1B_SEM_NSEMS_MAX, sem_nsems_max);
92 P1B_SYSCTL(CTL_P1003_1B_SEM_VALUE_MAX, sem_value_max);
93 P1B_SYSCTL(CTL_P1003_1B_SIGQUEUE_MAX, sigqueue_max);
94 P1B_SYSCTL(CTL_P1003_1B_TIMER_MAX, timer_max);
95
96 #define P31B_VALID(num) ((num) >= 1 && (num) < CTL_P1003_1B_MAXID)
97
98 /* p31b_setcfg: Set the configuration
99 */
100 void
101 p31b_setcfg(int num, int value)
102 {
103
104 if (P31B_VALID(num)) {
105 facility[num - 1] = value;
106 facility_initialized[num - 1] = 1;
107 }
108 }
109
110 int
111 p31b_getcfg(int num)
112 {
113
114 if (P31B_VALID(num))
115 return (facility[num - 1]);
116 return (0);
117 }
118
119 int
120 p31b_iscfg(int num)
121 {
122
123 if (P31B_VALID(num))
124 return (facility_initialized[num - 1]);
125 return (0);
126 }
127
128 /*
129 * Turn on indications for standard (non-configurable) kernel features.
130 */
131 static void
132 p31b_set_standard(void *dummy)
133 {
134 /* ??? p31b_setcfg(CTL_P1003_1B_FSYNC, 1); */
135 p31b_setcfg(CTL_P1003_1B_MAPPED_FILES, 1);
136 p31b_setcfg(CTL_P1003_1B_SHARED_MEMORY_OBJECTS, 1);
137 p31b_setcfg(CTL_P1003_1B_PAGESIZE, PAGE_SIZE);
138 if (!p31b_iscfg(CTL_P1003_1B_AIO_LISTIO_MAX))
139 p31b_setcfg(CTL_P1003_1B_AIO_LISTIO_MAX, -1);
140 if (!p31b_iscfg(CTL_P1003_1B_AIO_MAX))
141 p31b_setcfg(CTL_P1003_1B_AIO_MAX, -1);
142 if (!p31b_iscfg(CTL_P1003_1B_AIO_PRIO_DELTA_MAX))
143 p31b_setcfg(CTL_P1003_1B_AIO_PRIO_DELTA_MAX, -1);
144 }
145
146 SYSINIT(p31b_set_standard, SI_SUB_P1003_1B, SI_ORDER_ANY, p31b_set_standard,
147 0);
148
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