sysctl.h revision 1542
1119418Sobrien/* 2119418Sobrien * Copyright (c) 1989, 1993 393746Sjulian * The Regents of the University of California. All rights reserved. 493746Sjulian * 593746Sjulian * This code is derived from software contributed to Berkeley by 693746Sjulian * Mike Karels at Berkeley Software Design, Inc. 793746Sjulian * 893746Sjulian * Redistribution and use in source and binary forms, with or without 993746Sjulian * modification, are permitted provided that the following conditions 1093746Sjulian * are met: 1193746Sjulian * 1. Redistributions of source code must retain the above copyright 1293746Sjulian * notice, this list of conditions and the following disclaimer. 1393746Sjulian * 2. Redistributions in binary form must reproduce the above copyright 1493746Sjulian * notice, this list of conditions and the following disclaimer in the 1593746Sjulian * documentation and/or other materials provided with the distribution. 1693746Sjulian * 3. All advertising materials mentioning features or use of this software 1793746Sjulian * must display the following acknowledgement: 1893746Sjulian * This product includes software developed by the University of 1993746Sjulian * California, Berkeley and its contributors. 2093746Sjulian * 4. Neither the name of the University nor the names of its contributors 2193746Sjulian * may be used to endorse or promote products derived from this software 2293746Sjulian * without specific prior written permission. 2393746Sjulian * 2493746Sjulian * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 2593746Sjulian * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2693746Sjulian * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27119418Sobrien * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 2893746Sjulian * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29113038Sobrien * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30113038Sobrien * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31113038Sobrien * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32113038Sobrien * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 3393746Sjulian * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3493746Sjulian * SUCH DAMAGE. 3593746Sjulian * 3693746Sjulian * @(#)sysctl.h 8.1 (Berkeley) 6/2/93 3793746Sjulian */ 3893746Sjulian 3993746Sjulian#ifndef _SYS_SYSCTL_H_ 4093746Sjulian#define _SYS_SYSCTL_H_ 4193746Sjulian 4293746Sjulian/* 4393746Sjulian * These are for the eproc structure defined below. 4495807Sjulian */ 4595807Sjulian#ifndef KERNEL 4693746Sjulian#include <sys/time.h> 4793746Sjulian#include <sys/ucred.h> 4893746Sjulian#include <sys/proc.h> 4993746Sjulian#include <vm/vm.h> 5093746Sjulian#endif 5193746Sjulian 5293746Sjulian/* 53147256Sbrooks * Definitions for sysctl call. The sysctl call uses a hierarchical name 5493746Sjulian * for objects that can be examined or modified. The name is expressed as 5593746Sjulian * a sequence of integers. Like a file path name, the meaning of each 5693746Sjulian * component depends on its place in the hierarchy. The top-level and kern 5793746Sjulian * identifiers are defined here, and other identifiers are defined in the 5893746Sjulian * respective subsystem header files. 5993746Sjulian */ 6093746Sjulian 6193746Sjulian#define CTL_MAXNAME 12 /* largest number of components supported */ 6293746Sjulian 6393746Sjulian/* 64119285Simp * Each subsystem defined by sysctl defines a list of variables 65119285Simp * for that subsystem. Each name is either a node with further 6693746Sjulian * levels defined below it, or it is a leaf of some particular 6793746Sjulian * type given below. Each sysctl level defines a set of name/type 6893746Sjulian * pairs to be used by sysctl(1) in manipulating the subsystem. 6993746Sjulian */ 7093746Sjulianstruct ctlname { 7193746Sjulian char *ctl_name; /* subsystem name */ 7293746Sjulian int ctl_type; /* type of name */ 73153084Sru}; 7494904Sjulian#define CTLTYPE_NODE 1 /* name is a node */ 7594904Sjulian#define CTLTYPE_INT 2 /* name describes an integer */ 7693746Sjulian#define CTLTYPE_STRING 3 /* name describes a string */ 7794904Sjulian#define CTLTYPE_QUAD 4 /* name describes a 64-bit number */ 7894904Sjulian#define CTLTYPE_STRUCT 5 /* name describes a structure */ 7993746Sjulian 8093746Sjulian/* 8193746Sjulian * Top-level identifiers 8293746Sjulian */ 8393746Sjulian#define CTL_UNSPEC 0 /* unused */ 8493746Sjulian#define CTL_KERN 1 /* "high kernel": proc, limits */ 8593746Sjulian#define CTL_VM 2 /* virtual memory */ 86119285Simp#define CTL_FS 3 /* file system, mount type is next */ 8793746Sjulian#define CTL_NET 4 /* network, see socket.h */ 8893746Sjulian#define CTL_DEBUG 5 /* debugging parameters */ 8993746Sjulian#define CTL_HW 6 /* generic cpu/io */ 9093746Sjulian#define CTL_MACHDEP 7 /* machine dependent */ 9193746Sjulian#define CTL_USER 8 /* user-level */ 9293746Sjulian#define CTL_MAXID 9 /* number of valid top-level ids */ 9393746Sjulian 9493746Sjulian#define CTL_NAMES { \ 9593746Sjulian { 0, 0 }, \ 9693746Sjulian { "kern", CTLTYPE_NODE }, \ 9793746Sjulian { "vm", CTLTYPE_NODE }, \ 9893746Sjulian { "fs", CTLTYPE_NODE }, \ 9993746Sjulian { "net", CTLTYPE_NODE }, \ 10093746Sjulian { "debug", CTLTYPE_NODE }, \ 10193746Sjulian { "hw", CTLTYPE_NODE }, \ 10293746Sjulian { "machdep", CTLTYPE_NODE }, \ 10393746Sjulian { "user", CTLTYPE_NODE }, \ 10493746Sjulian} 10593746Sjulian 10693746Sjulian/* 10793746Sjulian * CTL_KERN identifiers 10893746Sjulian */ 10993746Sjulian#define KERN_OSTYPE 1 /* string: system version */ 11093746Sjulian#define KERN_OSRELEASE 2 /* string: system release */ 11193746Sjulian#define KERN_OSREV 3 /* int: system revision */ 11293746Sjulian#define KERN_VERSION 4 /* string: compile time info */ 11393746Sjulian#define KERN_MAXVNODES 5 /* int: max vnodes */ 11493746Sjulian#define KERN_MAXPROC 6 /* int: max processes */ 11593746Sjulian#define KERN_MAXFILES 7 /* int: max open files */ 11693746Sjulian#define KERN_ARGMAX 8 /* int: max arguments to exec */ 11793746Sjulian#define KERN_SECURELVL 9 /* int: system security level */ 11893746Sjulian#define KERN_HOSTNAME 10 /* string: hostname */ 11993746Sjulian#define KERN_HOSTID 11 /* int: host identifier */ 12093746Sjulian#define KERN_CLOCKRATE 12 /* struct: struct clockrate */ 12193746Sjulian#define KERN_VNODE 13 /* struct: vnode structures */ 12293746Sjulian#define KERN_PROC 14 /* struct: process entries */ 12393746Sjulian#define KERN_FILE 15 /* struct: file entries */ 124149151Sjhb#define KERN_PROF 16 /* node: kernel profiling info */ 12593746Sjulian#define KERN_POSIX1 17 /* int: POSIX.1 version */ 12693746Sjulian#define KERN_NGROUPS 18 /* int: # of supplemental group ids */ 127149151Sjhb#define KERN_JOB_CONTROL 19 /* int: is job control available */ 12893746Sjulian#define KERN_SAVED_IDS 20 /* int: saved set-user/group-ID */ 12993746Sjulian#define KERN_BOOTTIME 21 /* struct: time kernel was booted */ 130188172Simp#define KERN_MAXID 22 /* number of valid kern ids */ 13193746Sjulian 13293746Sjulian#define CTL_KERN_NAMES { \ 13393746Sjulian { 0, 0 }, \ 13493746Sjulian { "ostype", CTLTYPE_STRING }, \ 13593746Sjulian { "osrelease", CTLTYPE_STRING }, \ 13693746Sjulian { "osrevision", CTLTYPE_INT }, \ 13793746Sjulian { "version", CTLTYPE_STRING }, \ 13893746Sjulian { "maxvnodes", CTLTYPE_INT }, \ 13993746Sjulian { "maxproc", CTLTYPE_INT }, \ 14093746Sjulian { "maxfiles", CTLTYPE_INT }, \ 14193746Sjulian { "argmax", CTLTYPE_INT }, \ 14293746Sjulian { "securelevel", CTLTYPE_INT }, \ 14393746Sjulian { "hostname", CTLTYPE_STRING }, \ 14493746Sjulian { "hostid", CTLTYPE_INT }, \ 14593746Sjulian { "clockrate", CTLTYPE_STRUCT }, \ 146106696Salfred { "vnode", CTLTYPE_STRUCT }, \ 147106696Salfred { "proc", CTLTYPE_STRUCT }, \ 14893746Sjulian { "file", CTLTYPE_STRUCT }, \ 14993746Sjulian { "profiling", CTLTYPE_NODE }, \ 15093746Sjulian { "posix1version", CTLTYPE_INT }, \ 15193746Sjulian { "ngroups", CTLTYPE_INT }, \ 15293746Sjulian { "job_control", CTLTYPE_INT }, \ 15393746Sjulian { "saved_ids", CTLTYPE_INT }, \ 15493746Sjulian { "boottime", CTLTYPE_STRUCT }, \ 15593746Sjulian} 15693746Sjulian 15793746Sjulian/* 15893746Sjulian * KERN_PROC subtypes 15993746Sjulian */ 16093746Sjulian#define KERN_PROC_ALL 0 /* everything */ 16193746Sjulian#define KERN_PROC_PID 1 /* by process id */ 16293746Sjulian#define KERN_PROC_PGRP 2 /* by process group id */ 16393746Sjulian#define KERN_PROC_SESSION 3 /* by session of pid */ 16493746Sjulian#define KERN_PROC_TTY 4 /* by controlling tty */ 16593746Sjulian#define KERN_PROC_UID 5 /* by effective uid */ 16693746Sjulian#define KERN_PROC_RUID 6 /* by real uid */ 167113506Smdodd 168113506Smdodd/* 169113506Smdodd * KERN_PROC subtype ops return arrays of augmented proc structures: 17093746Sjulian */ 17193746Sjulianstruct kinfo_proc { 17293746Sjulian struct proc kp_proc; /* proc structure */ 17393746Sjulian struct eproc { 17493746Sjulian struct proc *e_paddr; /* address of proc */ 17593746Sjulian struct session *e_sess; /* session pointer */ 17693746Sjulian struct pcred e_pcred; /* process credentials */ 17793746Sjulian struct ucred e_ucred; /* current credentials */ 178149151Sjhb#ifdef sparc 17993746Sjulian struct { 18093746Sjulian segsz_t vm_rssize; /* resident set size */ 18193746Sjulian segsz_t vm_tsize; /* text size */ 18293746Sjulian segsz_t vm_dsize; /* data size */ 18393746Sjulian segsz_t vm_ssize; /* stack size */ 18493746Sjulian } e_vm; 18593746Sjulian#else 18693746Sjulian struct vmspace e_vm; /* address space */ 18793746Sjulian#endif 18893746Sjulian pid_t e_ppid; /* parent process id */ 18993746Sjulian pid_t e_pgid; /* process group id */ 19093746Sjulian short e_jobc; /* job control counter */ 19193746Sjulian dev_t e_tdev; /* controlling tty dev */ 19293746Sjulian pid_t e_tpgid; /* tty process group id */ 19393746Sjulian struct session *e_tsess; /* tty session pointer */ 19493746Sjulian#define WMESGLEN 7 19593746Sjulian char e_wmesg[WMESGLEN+1]; /* wchan message */ 19693746Sjulian segsz_t e_xsize; /* text size */ 19793746Sjulian short e_xrssize; /* text rss */ 19893746Sjulian short e_xccount; /* text references */ 19993746Sjulian short e_xswrss; 20093746Sjulian long e_flag; 20193746Sjulian#define EPROC_CTTY 0x01 /* controlling tty vnode active */ 20293746Sjulian#define EPROC_SLEADER 0x02 /* session leader */ 20393746Sjulian char e_login[MAXLOGNAME]; /* setlogin() name */ 20493746Sjulian long e_spare[4]; 20593746Sjulian } kp_eproc; 20693746Sjulian}; 20793746Sjulian 20893746Sjulian/* 20993746Sjulian * CTL_HW identifiers 21093746Sjulian */ 21193746Sjulian#define HW_MACHINE 1 /* string: machine class */ 21293746Sjulian#define HW_MODEL 2 /* string: specific machine model */ 21393746Sjulian#define HW_NCPU 3 /* int: number of cpus */ 21493746Sjulian#define HW_BYTEORDER 4 /* int: machine byte order */ 21593746Sjulian#define HW_PHYSMEM 5 /* int: total memory */ 21693746Sjulian#define HW_USERMEM 6 /* int: non-kernel memory */ 21793746Sjulian#define HW_PAGESIZE 7 /* int: software page size */ 21893746Sjulian#define HW_DISKNAMES 8 /* strings: disk drive names */ 21993746Sjulian#define HW_DISKSTATS 9 /* struct: diskstats[] */ 22093746Sjulian#define HW_MAXID 10 /* number of valid hw ids */ 22193746Sjulian 22293746Sjulian#define CTL_HW_NAMES { \ 22393746Sjulian { 0, 0 }, \ 224148945Sjhb { "machine", CTLTYPE_STRING }, \ 22593746Sjulian { "model", CTLTYPE_STRING }, \ 22693746Sjulian { "ncpu", CTLTYPE_INT }, \ 22793746Sjulian { "byteorder", CTLTYPE_INT }, \ 22893746Sjulian { "physmem", CTLTYPE_INT }, \ 22993746Sjulian { "usermem", CTLTYPE_INT }, \ 230149151Sjhb { "pagesize", CTLTYPE_INT }, \ 23193746Sjulian { "disknames", CTLTYPE_STRUCT }, \ 23293746Sjulian { "diskstats", CTLTYPE_STRUCT }, \ 23393746Sjulian} 23493746Sjulian 23593746Sjulian/* 23693746Sjulian * CTL_USER definitions 23793746Sjulian */ 23893746Sjulian#define USER_CS_PATH 1 /* string: _CS_PATH */ 23993746Sjulian#define USER_BC_BASE_MAX 2 /* int: BC_BASE_MAX */ 24093746Sjulian#define USER_BC_DIM_MAX 3 /* int: BC_DIM_MAX */ 24193746Sjulian#define USER_BC_SCALE_MAX 4 /* int: BC_SCALE_MAX */ 24293746Sjulian#define USER_BC_STRING_MAX 5 /* int: BC_STRING_MAX */ 24393746Sjulian#define USER_COLL_WEIGHTS_MAX 6 /* int: COLL_WEIGHTS_MAX */ 24493746Sjulian#define USER_EXPR_NEST_MAX 7 /* int: EXPR_NEST_MAX */ 24593746Sjulian#define USER_LINE_MAX 8 /* int: LINE_MAX */ 24693746Sjulian#define USER_RE_DUP_MAX 9 /* int: RE_DUP_MAX */ 24793746Sjulian#define USER_POSIX2_VERSION 10 /* int: POSIX2_VERSION */ 24893746Sjulian#define USER_POSIX2_C_BIND 11 /* int: POSIX2_C_BIND */ 24993746Sjulian#define USER_POSIX2_C_DEV 12 /* int: POSIX2_C_DEV */ 25093746Sjulian#define USER_POSIX2_CHAR_TERM 13 /* int: POSIX2_CHAR_TERM */ 25193746Sjulian#define USER_POSIX2_FORT_DEV 14 /* int: POSIX2_FORT_DEV */ 25293746Sjulian#define USER_POSIX2_FORT_RUN 15 /* int: POSIX2_FORT_RUN */ 25393746Sjulian#define USER_POSIX2_LOCALEDEF 16 /* int: POSIX2_LOCALEDEF */ 25493746Sjulian#define USER_POSIX2_SW_DEV 17 /* int: POSIX2_SW_DEV */ 25593746Sjulian#define USER_POSIX2_UPE 18 /* int: POSIX2_UPE */ 25693746Sjulian#define USER_STREAM_MAX 19 /* int: POSIX2_STREAM_MAX */ 25793746Sjulian#define USER_TZNAME_MAX 20 /* int: POSIX2_TZNAME_MAX */ 25893746Sjulian#define USER_MAXID 21 /* number of valid user ids */ 25993746Sjulian 26093746Sjulian#define CTL_USER_NAMES { \ 26193746Sjulian { 0, 0 }, \ 26293746Sjulian { "cs_path", CTLTYPE_STRING }, \ 26393746Sjulian { "bc_base_max", CTLTYPE_INT }, \ 26493746Sjulian { "bc_dim_max", CTLTYPE_INT }, \ 26593746Sjulian { "bc_scale_max", CTLTYPE_INT }, \ 26693746Sjulian { "bc_string_max", CTLTYPE_INT }, \ 26793746Sjulian { "coll_weights_max", CTLTYPE_INT }, \ 26893746Sjulian { "expr_nest_max", CTLTYPE_INT }, \ 26993746Sjulian { "line_max", CTLTYPE_INT }, \ 27093746Sjulian { "re_dup_max", CTLTYPE_INT }, \ 27193746Sjulian { "posix2_version", CTLTYPE_INT }, \ 27293746Sjulian { "posix2_c_bind", CTLTYPE_INT }, \ 27393746Sjulian { "posix2_c_dev", CTLTYPE_INT }, \ 274149151Sjhb { "posix2_char_term", CTLTYPE_INT }, \ 27593746Sjulian { "posix2_fort_dev", CTLTYPE_INT }, \ 27693746Sjulian { "posix2_fort_run", CTLTYPE_INT }, \ 27793746Sjulian { "posix2_localedef", CTLTYPE_INT }, \ 27893746Sjulian { "posix2_sw_dev", CTLTYPE_INT }, \ 27993746Sjulian { "posix2_upe", CTLTYPE_INT }, \ 28093746Sjulian { "stream_max", CTLTYPE_INT }, \ 28193746Sjulian { "tzname_max", CTLTYPE_INT }, \ 28293746Sjulian} 28393746Sjulian 28493746Sjulian/* 28593746Sjulian * CTL_DEBUG definitions 28693746Sjulian * 28793746Sjulian * Second level identifier specifies which debug variable. 28893746Sjulian * Third level identifier specifies which stucture component. 28993746Sjulian */ 29093746Sjulian#define CTL_DEBUG_NAME 0 /* string: variable name */ 29193746Sjulian#define CTL_DEBUG_VALUE 1 /* int: variable value */ 29293746Sjulian#define CTL_DEBUG_MAXID 20 29393746Sjulian 29493746Sjulian#ifdef KERNEL 29593746Sjulian#ifdef DEBUG 29693746Sjulian/* 29793746Sjulian * CTL_DEBUG variables. 29893746Sjulian * 29993746Sjulian * These are declared as separate variables so that they can be 30093746Sjulian * individually initialized at the location of their associated 30193746Sjulian * variable. The loader prevents multiple use by issuing errors 30293746Sjulian * if a variable is initialized in more than one place. They are 30393746Sjulian * aggregated into an array in debug_sysctl(), so that it can 30493746Sjulian * conveniently locate them when querried. If more debugging 30593746Sjulian * variables are added, they must also be declared here and also 30693746Sjulian * entered into the array. 30793746Sjulian */ 30893746Sjulianstruct ctldebug { 30993746Sjulian char *debugname; /* name of debugging variable */ 31093746Sjulian int *debugvar; /* pointer to debugging variable */ 31193746Sjulian}; 31293746Sjulianextern struct ctldebug debug0, debug1, debug2, debug3, debug4; 31393746Sjulianextern struct ctldebug debug5, debug6, debug7, debug8, debug9; 31493746Sjulianextern struct ctldebug debug10, debug11, debug12, debug13, debug14; 31593746Sjulianextern struct ctldebug debug15, debug16, debug17, debug18, debug19; 31693746Sjulian#endif /* DEBUG */ 31793746Sjulian 31893746Sjulian/* 31993746Sjulian * Internal sysctl function calling convention: 32093746Sjulian * 321149151Sjhb * (*sysctlfn)(name, namelen, oldval, oldlenp, newval, newlen); 32293746Sjulian * 323147256Sbrooks * The name parameter points at the next component of the name to be 32493746Sjulian * interpreted. The namelen parameter is the number of integers in 32593746Sjulian * the name. 32693746Sjulian */ 32793746Sjuliantypedef int (sysctlfn) 32893746Sjulian __P((int *, u_int, void *, size_t *, void *, size_t, struct proc *)); 32993746Sjulian 33093746Sjulianint sysctl_int __P((void *, size_t *, void *, size_t, int *)); 33193746Sjulianint sysctl_rdint __P((void *, size_t *, void *, int)); 33293746Sjulianint sysctl_string __P((void *, size_t *, void *, size_t, char *, int)); 33393746Sjulianint sysctl_rdstring __P((void *, size_t *, void *, char *)); 33493746Sjulianint sysctl_rdstruct __P((void *, size_t *, void *, void *, int)); 33593746Sjulianvoid fill_eproc __P((struct proc *, struct eproc *)); 33693746Sjulian 33793746Sjulian#else /* !KERNEL */ 33893746Sjulian#include <sys/cdefs.h> 33993746Sjulian 340148654Srwatson__BEGIN_DECLS 34193746Sjulianint sysctl __P((int *, u_int, void *, size_t *, void *, size_t)); 34293746Sjulian__END_DECLS 34393746Sjulian#endif /* KERNEL */ 344130270Snaddy#endif /* !_SYS_SYSCTL_H_ */ 345130270Snaddy