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35 #include <sys/cdefs.h>
36 __FBSDID("$FreeBSD$");
38 #include <sys/param.h>
39 #include <sys/systm.h>
40 #include <sys/kernel.h>
41 #include <sys/queue.h>
42 #include <sys/sysctl.h>
43 #include <sys/vnode.h>
45 #include <sys/posix4.h>
47 static int facility[CTL_P1003_1B_MAXID - 1];
48 static int facility_initialized[CTL_P1003_1B_MAXID - 1];
50 static int p31b_sysctl_proc(SYSCTL_HANDLER_ARGS);
52 /* OID_AUTO isn't working with sysconf(3). I guess I'd have to
53 * modify it to do a lookup by name from the index.
54 * For now I've left it a top-level sysctl.
59 SYSCTL_DECL(_p1003_1b);
61 #define P1B_SYSCTL(num, name) \
62 SYSCTL_INT(_p1003_1b, num, name, CTLFLAG_RD | CTLFLAG_CAPRD, \
63 facility + num - 1, 0, "");
64 #define P1B_SYSCTL_RW(num, name) \
65 SYSCTL_PROC(_p1003_1b, num, name, \
66 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, NULL, num, \
67 p31b_sysctl_proc, "I", "");
71 SYSCTL_DECL(_kern_p1003_1b);
73 #define P1B_SYSCTL(num, name) \
74 SYSCTL_INT(_kern_p1003_1b, OID_AUTO, name, CTLFLAG_RD | CTLFLAG_CAPRD, \
75 facility + num - 1, 0, "");
76 #define P1B_SYSCTL_RW(num, name) \
77 SYSCTL_PROC(_p1003_1b, OID_AUTO, name, CTLTYPE_INT | CTLFLAG_RW, NULL, \
78 num, p31b_sysctl_proc, "I", "");
79 SYSCTL_NODE(_kern, OID_AUTO, p1003_1b, CTLFLAG_RW | CTLFLAG_MPSAFE, 0,
84 P1B_SYSCTL(CTL_P1003_1B_ASYNCHRONOUS_IO, asynchronous_io);
85 P1B_SYSCTL(CTL_P1003_1B_MAPPED_FILES, mapped_files);
86 P1B_SYSCTL(CTL_P1003_1B_MEMLOCK, memlock);
87 P1B_SYSCTL(CTL_P1003_1B_MEMLOCK_RANGE, memlock_range);
88 P1B_SYSCTL(CTL_P1003_1B_MEMORY_PROTECTION, memory_protection);
89 P1B_SYSCTL(CTL_P1003_1B_MESSAGE_PASSING, message_passing);
90 P1B_SYSCTL(CTL_P1003_1B_PRIORITIZED_IO, prioritized_io);
91 P1B_SYSCTL(CTL_P1003_1B_PRIORITY_SCHEDULING, priority_scheduling);
92 P1B_SYSCTL(CTL_P1003_1B_REALTIME_SIGNALS, realtime_signals);
93 P1B_SYSCTL(CTL_P1003_1B_SEMAPHORES, semaphores);
94 P1B_SYSCTL(CTL_P1003_1B_FSYNC, fsync);
95 P1B_SYSCTL(CTL_P1003_1B_SHARED_MEMORY_OBJECTS, shared_memory_objects);
96 P1B_SYSCTL(CTL_P1003_1B_SYNCHRONIZED_IO, synchronized_io);
97 P1B_SYSCTL(CTL_P1003_1B_TIMERS, timers);
98 P1B_SYSCTL(CTL_P1003_1B_AIO_MAX, aio_max);
99 P1B_SYSCTL(CTL_P1003_1B_AIO_PRIO_DELTA_MAX, aio_prio_delta_max);
100 P1B_SYSCTL(CTL_P1003_1B_DELAYTIMER_MAX, delaytimer_max);
101 P1B_SYSCTL(CTL_P1003_1B_MQ_OPEN_MAX, mq_open_max);
102 P1B_SYSCTL(CTL_P1003_1B_PAGESIZE, pagesize);
103 P1B_SYSCTL(CTL_P1003_1B_RTSIG_MAX, rtsig_max);
104 P1B_SYSCTL_RW(CTL_P1003_1B_SEM_NSEMS_MAX, sem_nsems_max);
105 P1B_SYSCTL(CTL_P1003_1B_SEM_VALUE_MAX, sem_value_max);
106 P1B_SYSCTL(CTL_P1003_1B_SIGQUEUE_MAX, sigqueue_max);
107 P1B_SYSCTL(CTL_P1003_1B_TIMER_MAX, timer_max);
109 #define P31B_VALID(num) ((num) >= 1 && (num) < CTL_P1003_1B_MAXID)
112 p31b_sysctl_proc(SYSCTL_HANDLER_ARGS)
117 if (!P31B_VALID(num))
119 val = facility_initialized[num - 1] ? facility[num - 1] : 0;
120 error = sysctl_handle_int(oidp, &val, 0, req);
121 if (error == 0 && req->newptr != NULL && facility_initialized[num - 1])
122 facility[num - 1] = val;
126 /* p31b_setcfg: Set the configuration
129 p31b_setcfg(int num, int value)
132 if (P31B_VALID(num)) {
133 facility[num - 1] = value;
134 facility_initialized[num - 1] = 1;
139 p31b_unsetcfg(int num)
142 facility[num - 1] = 0;
143 facility_initialized[num - 1] = 0;
151 return (facility[num - 1]);
160 return (facility_initialized[num - 1]);
165 * Turn on indications for standard (non-configurable) kernel features.
168 p31b_set_standard(void *dummy)
171 p31b_setcfg(CTL_P1003_1B_FSYNC, 200112L);
172 p31b_setcfg(CTL_P1003_1B_MAPPED_FILES, 200112L);
173 p31b_setcfg(CTL_P1003_1B_SHARED_MEMORY_OBJECTS, 200112L);
174 p31b_setcfg(CTL_P1003_1B_PAGESIZE, PAGE_SIZE);
177 SYSINIT(p31b_set_standard, SI_SUB_P1003_1B, SI_ORDER_ANY, p31b_set_standard,