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 * $FreeBSD$ 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); 148 149