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- /*
- * Copyright (c) 1989, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Mike Karels at Berkeley Software Design, Inc.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * @(#)sysctl.h 8.1 (Berkeley) 6/2/93
- */
-
- #ifndef _SYS_SYSCTL_H_
- #define _SYS_SYSCTL_H_
-
- /*
- * These are for the eproc structure defined below.
- */
- #ifndef KERNEL
- #include <sys/time.h>
- #include <sys/ucred.h>
- #include <sys/proc.h>
- #include <vm/vm.h>
- #endif
-
- /*
- * Definitions for sysctl call. The sysctl call uses a hierarchical name
- * for objects that can be examined or modified. The name is expressed as
- * a sequence of integers. Like a file path name, the meaning of each
- * component depends on its place in the hierarchy. The top-level and kern
- * identifiers are defined here, and other identifiers are defined in the
- * respective subsystem header files.
- */
-
- #define CTL_MAXNAME 12 /* largest number of components supported */
-
- /*
- * Each subsystem defined by sysctl defines a list of variables
- * for that subsystem. Each name is either a node with further
- * levels defined below it, or it is a leaf of some particular
- * type given below. Each sysctl level defines a set of name/type
- * pairs to be used by sysctl(1) in manipulating the subsystem.
- */
- struct ctlname {
- char *ctl_name; /* subsystem name */
- int ctl_type; /* type of name */
- };
- #define CTLTYPE_NODE 1 /* name is a node */
- #define CTLTYPE_INT 2 /* name describes an integer */
- #define CTLTYPE_STRING 3 /* name describes a string */
- #define CTLTYPE_QUAD 4 /* name describes a 64-bit number */
- #define CTLTYPE_STRUCT 5 /* name describes a structure */
-
- /*
- * Top-level identifiers
- */
- #define CTL_UNSPEC 0 /* unused */
- #define CTL_KERN 1 /* "high kernel": proc, limits */
- #define CTL_VM 2 /* virtual memory */
- #define CTL_FS 3 /* file system, mount type is next */
- #define CTL_NET 4 /* network, see socket.h */
- #define CTL_DEBUG 5 /* debugging parameters */
- #define CTL_HW 6 /* generic cpu/io */
- #define CTL_MACHDEP 7 /* machine dependent */
- #define CTL_USER 8 /* user-level */
- #define CTL_MAXID 9 /* number of valid top-level ids */
-
- #define CTL_NAMES { \
- { 0, 0 }, \
- { "kern", CTLTYPE_NODE }, \
- { "vm", CTLTYPE_NODE }, \
- { "fs", CTLTYPE_NODE }, \
- { "net", CTLTYPE_NODE }, \
- { "debug", CTLTYPE_NODE }, \
- { "hw", CTLTYPE_NODE }, \
- { "machdep", CTLTYPE_NODE }, \
- { "user", CTLTYPE_NODE }, \
- }
-
- /*
- * CTL_KERN identifiers
- */
- #define KERN_OSTYPE 1 /* string: system version */
- #define KERN_OSRELEASE 2 /* string: system release */
- #define KERN_OSREV 3 /* int: system revision */
- #define KERN_VERSION 4 /* string: compile time info */
- #define KERN_MAXVNODES 5 /* int: max vnodes */
- #define KERN_MAXPROC 6 /* int: max processes */
- #define KERN_MAXFILES 7 /* int: max open files */
- #define KERN_ARGMAX 8 /* int: max arguments to exec */
- #define KERN_SECURELVL 9 /* int: system security level */
- #define KERN_HOSTNAME 10 /* string: hostname */
- #define KERN_HOSTID 11 /* int: host identifier */
- #define KERN_CLOCKRATE 12 /* struct: struct clockrate */
- #define KERN_VNODE 13 /* struct: vnode structures */
- #define KERN_PROC 14 /* struct: process entries */
- #define KERN_FILE 15 /* struct: file entries */
- #define KERN_PROF 16 /* node: kernel profiling info */
- #define KERN_POSIX1 17 /* int: POSIX.1 version */
- #define KERN_NGROUPS 18 /* int: # of supplemental group ids */
- #define KERN_JOB_CONTROL 19 /* int: is job control available */
- #define KERN_SAVED_IDS 20 /* int: saved set-user/group-ID */
- #define KERN_BOOTTIME 21 /* struct: time kernel was booted */
- #define KERN_MAXID 22 /* number of valid kern ids */
-
- #define CTL_KERN_NAMES { \
- { 0, 0 }, \
- { "ostype", CTLTYPE_STRING }, \
- { "osrelease", CTLTYPE_STRING }, \
- { "osrevision", CTLTYPE_INT }, \
- { "version", CTLTYPE_STRING }, \
- { "maxvnodes", CTLTYPE_INT }, \
- { "maxproc", CTLTYPE_INT }, \
- { "maxfiles", CTLTYPE_INT }, \
- { "argmax", CTLTYPE_INT }, \
- { "securelevel", CTLTYPE_INT }, \
- { "hostname", CTLTYPE_STRING }, \
- { "hostid", CTLTYPE_INT }, \
- { "clockrate", CTLTYPE_STRUCT }, \
- { "vnode", CTLTYPE_STRUCT }, \
- { "proc", CTLTYPE_STRUCT }, \
- { "file", CTLTYPE_STRUCT }, \
- { "profiling", CTLTYPE_NODE }, \
- { "posix1version", CTLTYPE_INT }, \
- { "ngroups", CTLTYPE_INT }, \
- { "job_control", CTLTYPE_INT }, \
- { "saved_ids", CTLTYPE_INT }, \
- { "boottime", CTLTYPE_STRUCT }, \
- }
-
- /*
- * KERN_PROC subtypes
- */
- #define KERN_PROC_ALL 0 /* everything */
- #define KERN_PROC_PID 1 /* by process id */
- #define KERN_PROC_PGRP 2 /* by process group id */
- #define KERN_PROC_SESSION 3 /* by session of pid */
- #define KERN_PROC_TTY 4 /* by controlling tty */
- #define KERN_PROC_UID 5 /* by effective uid */
- #define KERN_PROC_RUID 6 /* by real uid */
-
- /*
- * KERN_PROC subtype ops return arrays of augmented proc structures:
- */
- struct kinfo_proc {
- struct proc kp_proc; /* proc structure */
- struct eproc {
- struct proc *e_paddr; /* address of proc */
- struct session *e_sess; /* session pointer */
- struct pcred e_pcred; /* process credentials */
- struct ucred e_ucred; /* current credentials */
- #ifdef sparc
- struct {
- segsz_t vm_rssize; /* resident set size */
- segsz_t vm_tsize; /* text size */
- segsz_t vm_dsize; /* data size */
- segsz_t vm_ssize; /* stack size */
- } e_vm;
- #else
- struct vmspace e_vm; /* address space */
- #endif
- pid_t e_ppid; /* parent process id */
- pid_t e_pgid; /* process group id */
- short e_jobc; /* job control counter */
- dev_t e_tdev; /* controlling tty dev */
- pid_t e_tpgid; /* tty process group id */
- struct session *e_tsess; /* tty session pointer */
- #define WMESGLEN 7
- char e_wmesg[WMESGLEN+1]; /* wchan message */
- segsz_t e_xsize; /* text size */
- short e_xrssize; /* text rss */
- short e_xccount; /* text references */
- short e_xswrss;
- long e_flag;
- #define EPROC_CTTY 0x01 /* controlling tty vnode active */
- #define EPROC_SLEADER 0x02 /* session leader */
- char e_login[MAXLOGNAME]; /* setlogin() name */
- long e_spare[4];
- } kp_eproc;
- };
-
- /*
- * CTL_HW identifiers
- */
- #define HW_MACHINE 1 /* string: machine class */
- #define HW_MODEL 2 /* string: specific machine model */
- #define HW_NCPU 3 /* int: number of cpus */
- #define HW_BYTEORDER 4 /* int: machine byte order */
- #define HW_PHYSMEM 5 /* int: total memory */
- #define HW_USERMEM 6 /* int: non-kernel memory */
- #define HW_PAGESIZE 7 /* int: software page size */
- #define HW_DISKNAMES 8 /* strings: disk drive names */
- #define HW_DISKSTATS 9 /* struct: diskstats[] */
- #define HW_MAXID 10 /* number of valid hw ids */
-
- #define CTL_HW_NAMES { \
- { 0, 0 }, \
- { "machine", CTLTYPE_STRING }, \
- { "model", CTLTYPE_STRING }, \
- { "ncpu", CTLTYPE_INT }, \
- { "byteorder", CTLTYPE_INT }, \
- { "physmem", CTLTYPE_INT }, \
- { "usermem", CTLTYPE_INT }, \
- { "pagesize", CTLTYPE_INT }, \
- { "disknames", CTLTYPE_STRUCT }, \
- { "diskstats", CTLTYPE_STRUCT }, \
- }
-
- /*
- * CTL_USER definitions
- */
- #define USER_CS_PATH 1 /* string: _CS_PATH */
- #define USER_BC_BASE_MAX 2 /* int: BC_BASE_MAX */
- #define USER_BC_DIM_MAX 3 /* int: BC_DIM_MAX */
- #define USER_BC_SCALE_MAX 4 /* int: BC_SCALE_MAX */
- #define USER_BC_STRING_MAX 5 /* int: BC_STRING_MAX */
- #define USER_COLL_WEIGHTS_MAX 6 /* int: COLL_WEIGHTS_MAX */
- #define USER_EXPR_NEST_MAX 7 /* int: EXPR_NEST_MAX */
- #define USER_LINE_MAX 8 /* int: LINE_MAX */
- #define USER_RE_DUP_MAX 9 /* int: RE_DUP_MAX */
- #define USER_POSIX2_VERSION 10 /* int: POSIX2_VERSION */
- #define USER_POSIX2_C_BIND 11 /* int: POSIX2_C_BIND */
- #define USER_POSIX2_C_DEV 12 /* int: POSIX2_C_DEV */
- #define USER_POSIX2_CHAR_TERM 13 /* int: POSIX2_CHAR_TERM */
- #define USER_POSIX2_FORT_DEV 14 /* int: POSIX2_FORT_DEV */
- #define USER_POSIX2_FORT_RUN 15 /* int: POSIX2_FORT_RUN */
- #define USER_POSIX2_LOCALEDEF 16 /* int: POSIX2_LOCALEDEF */
- #define USER_POSIX2_SW_DEV 17 /* int: POSIX2_SW_DEV */
- #define USER_POSIX2_UPE 18 /* int: POSIX2_UPE */
- #define USER_STREAM_MAX 19 /* int: POSIX2_STREAM_MAX */
- #define USER_TZNAME_MAX 20 /* int: POSIX2_TZNAME_MAX */
- #define USER_MAXID 21 /* number of valid user ids */
-
- #define CTL_USER_NAMES { \
- { 0, 0 }, \
- { "cs_path", CTLTYPE_STRING }, \
- { "bc_base_max", CTLTYPE_INT }, \
- { "bc_dim_max", CTLTYPE_INT }, \
- { "bc_scale_max", CTLTYPE_INT }, \
- { "bc_string_max", CTLTYPE_INT }, \
- { "coll_weights_max", CTLTYPE_INT }, \
- { "expr_nest_max", CTLTYPE_INT }, \
- { "line_max", CTLTYPE_INT }, \
- { "re_dup_max", CTLTYPE_INT }, \
- { "posix2_version", CTLTYPE_INT }, \
- { "posix2_c_bind", CTLTYPE_INT }, \
- { "posix2_c_dev", CTLTYPE_INT }, \
- { "posix2_char_term", CTLTYPE_INT }, \
- { "posix2_fort_dev", CTLTYPE_INT }, \
- { "posix2_fort_run", CTLTYPE_INT }, \
- { "posix2_localedef", CTLTYPE_INT }, \
- { "posix2_sw_dev", CTLTYPE_INT }, \
- { "posix2_upe", CTLTYPE_INT }, \
- { "stream_max", CTLTYPE_INT }, \
- { "tzname_max", CTLTYPE_INT }, \
- }
-
- /*
- * CTL_DEBUG definitions
- *
- * Second level identifier specifies which debug variable.
- * Third level identifier specifies which stucture component.
- */
- #define CTL_DEBUG_NAME 0 /* string: variable name */
- #define CTL_DEBUG_VALUE 1 /* int: variable value */
- #define CTL_DEBUG_MAXID 20
-
- #ifdef KERNEL
- #ifdef DEBUG
- /*
- * CTL_DEBUG variables.
- *
- * These are declared as separate variables so that they can be
- * individually initialized at the location of their associated
- * variable. The loader prevents multiple use by issuing errors
- * if a variable is initialized in more than one place. They are
- * aggregated into an array in debug_sysctl(), so that it can
- * conveniently locate them when querried. If more debugging
- * variables are added, they must also be declared here and also
- * entered into the array.
- */
- struct ctldebug {
- char *debugname; /* name of debugging variable */
- int *debugvar; /* pointer to debugging variable */
- };
- extern struct ctldebug debug0, debug1, debug2, debug3, debug4;
- extern struct ctldebug debug5, debug6, debug7, debug8, debug9;
- extern struct ctldebug debug10, debug11, debug12, debug13, debug14;
- extern struct ctldebug debug15, debug16, debug17, debug18, debug19;
- #endif /* DEBUG */
-
- /*
- * Internal sysctl function calling convention:
- *
- * (*sysctlfn)(name, namelen, oldval, oldlenp, newval, newlen);
- *
- * The name parameter points at the next component of the name to be
- * interpreted. The namelen parameter is the number of integers in
- * the name.
- */
- typedef int (sysctlfn)
- __P((int *, u_int, void *, size_t *, void *, size_t, struct proc *));
-
- int sysctl_int __P((void *, size_t *, void *, size_t, int *));
- int sysctl_rdint __P((void *, size_t *, void *, int));
- int sysctl_string __P((void *, size_t *, void *, size_t, char *, int));
- int sysctl_rdstring __P((void *, size_t *, void *, char *));
- int sysctl_rdstruct __P((void *, size_t *, void *, void *, int));
- void fill_eproc __P((struct proc *, struct eproc *));
-
- #else /* !KERNEL */
- #include <sys/cdefs.h>
-
- __BEGIN_DECLS
- int sysctl __P((int *, u_int, void *, size_t *, void *, size_t));
- __END_DECLS
- #endif /* KERNEL */
- #endif /* !_SYS_SYSCTL_H_ */
-