134030Sdufault/*- 234030Sdufault * Copyright (c) 1998 334030Sdufault * HD Associates, Inc. All rights reserved. 434030Sdufault * 534030Sdufault * Redistribution and use in source and binary forms, with or without 634030Sdufault * modification, are permitted provided that the following conditions 734030Sdufault * are met: 834030Sdufault * 1. Redistributions of source code must retain the above copyright 934030Sdufault * notice, this list of conditions and the following disclaimer. 1034030Sdufault * 2. Redistributions in binary form must reproduce the above copyright 1134030Sdufault * notice, this list of conditions and the following disclaimer in the 1234030Sdufault * documentation and/or other materials provided with the distribution. 1334030Sdufault * 3. All advertising materials mentioning features or use of this software 1434030Sdufault * must display the following acknowledgement: 1534030Sdufault * This product includes software developed by HD Associates, Inc 1634030Sdufault * 4. Neither the name of the author nor the names of any co-contributors 1734030Sdufault * may be used to endorse or promote products derived from this software 1834030Sdufault * without specific prior written permission. 1934030Sdufault * 2034030Sdufault * THIS SOFTWARE IS PROVIDED BY HD ASSOCIATES AND CONTRIBUTORS ``AS IS'' AND 2134030Sdufault * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2234030Sdufault * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2334030Sdufault * ARE DISCLAIMED. IN NO EVENT SHALL HD ASSOCIATES OR CONTRIBUTORS BE LIABLE 2434030Sdufault * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2534030Sdufault * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2634030Sdufault * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2734030Sdufault * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2834030Sdufault * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2934030Sdufault * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3034030Sdufault * SUCH DAMAGE. 3134030Sdufault */ 3234030Sdufault 33116192Sobrien#include <sys/cdefs.h> 34116192Sobrien__FBSDID("$FreeBSD: stable/11/sys/kern/posix4_mib.c 359652 2020-04-06 07:16:31Z hselasky $"); 35116192Sobrien 3634030Sdufault#include <sys/param.h> 37138290Sphk#include <sys/systm.h> 3834030Sdufault#include <sys/kernel.h> 3944078Sdfr#include <sys/queue.h> 4034030Sdufault#include <sys/sysctl.h> 41106057Swollman#include <sys/vnode.h> 42164213Strhodes#include <sys/proc.h> 43164183Strhodes#include <sys/posix4.h> 4434030Sdufault 4534925Sdufaultstatic int facility[CTL_P1003_1B_MAXID - 1]; 46106998Salfredstatic int facility_initialized[CTL_P1003_1B_MAXID - 1]; 4734030Sdufault 48208731Skibstatic int p31b_sysctl_proc(SYSCTL_HANDLER_ARGS); 49208731Skib 5034925Sdufault/* OID_AUTO isn't working with sysconf(3). I guess I'd have to 5134925Sdufault * modify it to do a lookup by name from the index. 5234925Sdufault * For now I've left it a top-level sysctl. 5334925Sdufault */ 5434030Sdufault 5534925Sdufault#if 1 5634030Sdufault 5744078SdfrSYSCTL_DECL(_p1003_1b); 5844078Sdfr 5934925Sdufault#define P1B_SYSCTL(num, name) \ 60224159Srwatson SYSCTL_INT(_p1003_1b, num, name, CTLFLAG_RD | CTLFLAG_CAPRD, \ 61224159Srwatson facility + num - 1, 0, ""); 62208731Skib#define P1B_SYSCTL_RW(num, name) \ 63208731Skib SYSCTL_PROC(_p1003_1b, num, name, CTLTYPE_INT | CTLFLAG_RW, NULL, num, \ 64208731Skib p31b_sysctl_proc, "I", ""); 6534925Sdufault 6634925Sdufault#else 6734925Sdufault 6844078SdfrSYSCTL_DECL(_kern_p1003_1b); 6944078Sdfr 7034925Sdufault#define P1B_SYSCTL(num, name) \ 71224159Srwatson SYSCTL_INT(_kern_p1003_1b, OID_AUTO, name, CTLFLAG_RD | CTLFLAG_CAPRD, \ 72208731Skib facility + num - 1, 0, ""); 73208731Skib#define P1B_SYSCTL_RW(num, name) \ 74208731Skib SYSCTL_PROC(_p1003_1b, OID_AUTO, name, CTLTYPE_INT | CTLFLAG_RW, NULL, \ 75208731Skib num, p31b_sysctl_proc, "I", ""); 7634925SdufaultSYSCTL_NODE(_kern, OID_AUTO, p1003_1b, CTLFLAG_RW, 0, "P1003.1B"); 7734925Sdufault 7834925Sdufault#endif 7934925Sdufault 80296572SjhbP1B_SYSCTL(CTL_P1003_1B_ASYNCHRONOUS_IO, asynchronous_io); 8134925SdufaultP1B_SYSCTL(CTL_P1003_1B_MAPPED_FILES, mapped_files); 8234925SdufaultP1B_SYSCTL(CTL_P1003_1B_MEMLOCK, memlock); 8334925SdufaultP1B_SYSCTL(CTL_P1003_1B_MEMLOCK_RANGE, memlock_range); 8434925SdufaultP1B_SYSCTL(CTL_P1003_1B_MEMORY_PROTECTION, memory_protection); 8534925SdufaultP1B_SYSCTL(CTL_P1003_1B_MESSAGE_PASSING, message_passing); 8634925SdufaultP1B_SYSCTL(CTL_P1003_1B_PRIORITIZED_IO, prioritized_io); 8734925SdufaultP1B_SYSCTL(CTL_P1003_1B_PRIORITY_SCHEDULING, priority_scheduling); 8834925SdufaultP1B_SYSCTL(CTL_P1003_1B_REALTIME_SIGNALS, realtime_signals); 8934925SdufaultP1B_SYSCTL(CTL_P1003_1B_SEMAPHORES, semaphores); 9034925SdufaultP1B_SYSCTL(CTL_P1003_1B_FSYNC, fsync); 9134925SdufaultP1B_SYSCTL(CTL_P1003_1B_SHARED_MEMORY_OBJECTS, shared_memory_objects); 9234925SdufaultP1B_SYSCTL(CTL_P1003_1B_SYNCHRONIZED_IO, synchronized_io); 9334925SdufaultP1B_SYSCTL(CTL_P1003_1B_TIMERS, timers); 9434925SdufaultP1B_SYSCTL(CTL_P1003_1B_AIO_MAX, aio_max); 9534925SdufaultP1B_SYSCTL(CTL_P1003_1B_AIO_PRIO_DELTA_MAX, aio_prio_delta_max); 9634925SdufaultP1B_SYSCTL(CTL_P1003_1B_DELAYTIMER_MAX, delaytimer_max); 9734925SdufaultP1B_SYSCTL(CTL_P1003_1B_MQ_OPEN_MAX, mq_open_max); 9834925SdufaultP1B_SYSCTL(CTL_P1003_1B_PAGESIZE, pagesize); 9934925SdufaultP1B_SYSCTL(CTL_P1003_1B_RTSIG_MAX, rtsig_max); 100208731SkibP1B_SYSCTL_RW(CTL_P1003_1B_SEM_NSEMS_MAX, sem_nsems_max); 10134925SdufaultP1B_SYSCTL(CTL_P1003_1B_SEM_VALUE_MAX, sem_value_max); 10234925SdufaultP1B_SYSCTL(CTL_P1003_1B_SIGQUEUE_MAX, sigqueue_max); 10334925SdufaultP1B_SYSCTL(CTL_P1003_1B_TIMER_MAX, timer_max); 10434925Sdufault 105106998Salfred#define P31B_VALID(num) ((num) >= 1 && (num) < CTL_P1003_1B_MAXID) 106106998Salfred 107208731Skibstatic int 108208731Skibp31b_sysctl_proc(SYSCTL_HANDLER_ARGS) 109208731Skib{ 110208731Skib int error, num, val; 111208731Skib 112208731Skib num = arg2; 113208731Skib if (!P31B_VALID(num)) 114208731Skib return (EINVAL); 115298678Scem val = facility_initialized[num - 1] ? facility[num - 1] : 0; 116208731Skib error = sysctl_handle_int(oidp, &val, 0, req); 117298678Scem if (error == 0 && req->newptr != NULL && facility_initialized[num - 1]) 118208731Skib facility[num - 1] = val; 119208731Skib return (error); 120208731Skib} 121208731Skib 12234925Sdufault/* p31b_setcfg: Set the configuration 12334030Sdufault */ 124103574Salfredvoid 125103574Salfredp31b_setcfg(int num, int value) 12634030Sdufault{ 127103574Salfred 128106998Salfred if (P31B_VALID(num)) { 12934030Sdufault facility[num - 1] = value; 130106998Salfred facility_initialized[num - 1] = 1; 131106998Salfred } 13234030Sdufault} 13359494Swollman 134208731Skibvoid 135208731Skibp31b_unsetcfg(int num) 136208731Skib{ 137208731Skib 138208731Skib facility[num - 1] = 0; 139298678Scem facility_initialized[num - 1] = 0; 140208731Skib} 141208731Skib 142103574Salfredint 143103574Salfredp31b_getcfg(int num) 144103574Salfred{ 145103574Salfred 146106998Salfred if (P31B_VALID(num)) 147103574Salfred return (facility[num - 1]); 148103574Salfred return (0); 149103574Salfred} 150103574Salfred 151106998Salfredint 152106998Salfredp31b_iscfg(int num) 153106998Salfred{ 154106998Salfred 155106998Salfred if (P31B_VALID(num)) 156106998Salfred return (facility_initialized[num - 1]); 157106998Salfred return (0); 158106998Salfred} 159106998Salfred 16059494Swollman/* 16159494Swollman * Turn on indications for standard (non-configurable) kernel features. 16259494Swollman */ 16359494Swollmanstatic void 16459494Swollmanp31b_set_standard(void *dummy) 16559494Swollman{ 166215540Sjhb 167215540Sjhb p31b_setcfg(CTL_P1003_1B_FSYNC, 200112L); 168215540Sjhb p31b_setcfg(CTL_P1003_1B_MAPPED_FILES, 200112L); 169215540Sjhb p31b_setcfg(CTL_P1003_1B_SHARED_MEMORY_OBJECTS, 200112L); 17059494Swollman p31b_setcfg(CTL_P1003_1B_PAGESIZE, PAGE_SIZE); 17159494Swollman} 17259494Swollman 17359494SwollmanSYSINIT(p31b_set_standard, SI_SUB_P1003_1B, SI_ORDER_ANY, p31b_set_standard, 174359652Shselasky NULL); 17559494Swollman 176