1/* 2 * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved. 3 * 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. The rights granted to you under the License 10 * may not be used to create, or enable the creation or redistribution of, 11 * unlawful or unlicensed copies of an Apple operating system, or to 12 * circumvent, violate, or enable the circumvention or violation of, any 13 * terms of an Apple operating system software license agreement. 14 * 15 * Please obtain a copy of the License at 16 * http://www.opensource.apple.com/apsl/ and read it before using this file. 17 * 18 * The Original Code and all software distributed under the License are 19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23 * Please see the License for the specific language governing rights and 24 * limitations under the License. 25 * 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27 */ 28/* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */ 29/* 30 * Copyright (c) 1989, 1993 31 * The Regents of the University of California. All rights reserved. 32 * 33 * This code is derived from software contributed to Berkeley by 34 * Mike Karels at Berkeley Software Design, Inc. 35 * 36 * Redistribution and use in source and binary forms, with or without 37 * modification, are permitted provided that the following conditions 38 * are met: 39 * 1. Redistributions of source code must retain the above copyright 40 * notice, this list of conditions and the following disclaimer. 41 * 2. Redistributions in binary form must reproduce the above copyright 42 * notice, this list of conditions and the following disclaimer in the 43 * documentation and/or other materials provided with the distribution. 44 * 3. All advertising materials mentioning features or use of this software 45 * must display the following acknowledgement: 46 * This product includes software developed by the University of 47 * California, Berkeley and its contributors. 48 * 4. Neither the name of the University nor the names of its contributors 49 * may be used to endorse or promote products derived from this software 50 * without specific prior written permission. 51 * 52 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 53 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 54 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 55 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 56 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 57 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 58 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 59 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 60 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 61 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 62 * SUCH DAMAGE. 63 * 64 * @(#)sysctl.h 8.1 (Berkeley) 6/2/93 65 */ 66/* 67 * NOTICE: This file was modified by SPARTA, Inc. in 2005 to introduce 68 * support for mandatory and extensible security protections. This notice 69 * is included in support of clause 2.2 (b) of the Apple Public License, 70 * Version 2.0. 71 */ 72 73#ifndef _SYS_SYSCTL_H_ 74#define _SYS_SYSCTL_H_ 75 76/* 77 * These are for the eproc structure defined below. 78 */ 79#include <sys/cdefs.h> 80 81#include <sys/appleapiopts.h> 82#ifndef KERNEL 83#include <sys/time.h> 84#include <sys/ucred.h> 85#else 86#include <libkern/sysctl.h> 87#endif 88#include <sys/proc.h> 89#include <sys/vm.h> 90 91#ifdef XNU_KERNEL_PRIVATE 92#include <sys/linker_set.h> 93#endif 94 95/* 96 * Definitions for sysctl call. The sysctl call uses a hierarchical name 97 * for objects that can be examined or modified. The name is expressed as 98 * a sequence of integers. Like a file path name, the meaning of each 99 * component depends on its place in the hierarchy. The top-level and kern 100 * identifiers are defined here, and other identifiers are defined in the 101 * respective subsystem header files. 102 */ 103 104#define CTL_MAXNAME 12 /* largest number of components supported */ 105 106/* 107 * Each subsystem defined by sysctl defines a list of variables 108 * for that subsystem. Each name is either a node with further 109 * levels defined below it, or it is a leaf of some particular 110 * type given below. Each sysctl level defines a set of name/type 111 * pairs to be used by sysctl(1) in manipulating the subsystem. 112 * 113 * When declaring new sysctl names, please use the CTLFLAG_LOCKED 114 * flag in the type to indicate that all necessary locking will 115 * be handled within the sysctl. Any sysctl defined without 116 * CTLFLAG_LOCKED is considered legacy and will be protected by 117 * both the kernel funnel and the sysctl memlock. This is not 118 * optimal, so it is best to handle locking yourself. 119 */ 120struct ctlname { 121 char *ctl_name; /* subsystem name */ 122 int ctl_type; /* type of name */ 123}; 124 125#define CTLTYPE 0xf /* Mask for the type */ 126#define CTLTYPE_NODE 1 /* name is a node */ 127#define CTLTYPE_INT 2 /* name describes an integer */ 128#define CTLTYPE_STRING 3 /* name describes a string */ 129#define CTLTYPE_QUAD 4 /* name describes a 64-bit number */ 130#define CTLTYPE_OPAQUE 5 /* name describes a structure */ 131#define CTLTYPE_STRUCT CTLTYPE_OPAQUE /* name describes a structure */ 132 133#define CTLFLAG_RD 0x80000000 /* Allow reads of variable */ 134#define CTLFLAG_WR 0x40000000 /* Allow writes to the variable */ 135#define CTLFLAG_RW (CTLFLAG_RD|CTLFLAG_WR) 136#define CTLFLAG_NOLOCK 0x20000000 /* XXX Don't Lock */ 137#define CTLFLAG_ANYBODY 0x10000000 /* All users can set this var */ 138#define CTLFLAG_SECURE 0x08000000 /* Permit set only if securelevel<=0 */ 139#define CTLFLAG_MASKED 0x04000000 /* deprecated variable, do not display */ 140#define CTLFLAG_NOAUTO 0x02000000 /* do not auto-register */ 141#define CTLFLAG_KERN 0x01000000 /* valid inside the kernel */ 142#define CTLFLAG_LOCKED 0x00800000 /* node will handle locking itself (highly encouraged) */ 143 144/* 145 * USE THIS instead of a hardwired number from the categories below 146 * to get dynamically assigned sysctl entries using the linker-set 147 * technology. This is the way nearly all new sysctl variables should 148 * be implemented. 149 * 150 * e.g. SYSCTL_INT(_parent, OID_AUTO, name, CTLFLAG_RW, &variable, 0, ""); 151 * 152 * Note that linker set technology will automatically register all nodes 153 * declared like this on kernel initialization, UNLESS they are defined 154 * in I/O-Kit. In this case, you have to call sysctl_register_oid() 155 * manually - just like in a KEXT. 156 */ 157#define OID_AUTO (-1) 158#define OID_AUTO_START 100 /* conventional */ 159 160#ifdef KERNEL 161#define SYSCTL_HANDLER_ARGS (struct sysctl_oid *oidp, void *arg1, int arg2, \ 162 struct sysctl_req *req) 163 164/* 165 * Locking and stats 166 */ 167struct sysctl_lock { 168 int sl_lock; 169 int sl_want; 170 int sl_locked; 171}; 172 173#define MEMLOCK_LOCK() \ 174 do { \ 175 while (memlock.sl_lock) { \ 176 memlock.sl_want = 1; \ 177 (void) tsleep((caddr_t)&memlock, PRIBIO+1, "sysctl", 0); \ 178 memlock.sl_locked++; \ 179 } \ 180 memlock.sl_lock = 1; \ 181 } while(0) 182 183#define MEMLOCK_UNLOCK() \ 184 do { \ 185 memlock.sl_lock = 0; \ 186 if (memlock.sl_want) { \ 187 memlock.sl_want = 0; \ 188 wakeup((caddr_t)&memlock); \ 189 } \ 190 }while(0) 191 192/* 193 * This describes the access space for a sysctl request. This is needed 194 * so that we can use the interface from the kernel or from user-space. 195 */ 196struct sysctl_req { 197 struct proc *p; 198 int lock; 199 user_addr_t oldptr; 200 size_t oldlen; 201 size_t oldidx; 202 int (*oldfunc)(struct sysctl_req *, const void *, size_t); 203 user_addr_t newptr; 204 size_t newlen; 205 size_t newidx; 206 int (*newfunc)(struct sysctl_req *, void *, size_t); 207}; 208 209SLIST_HEAD(sysctl_oid_list, sysctl_oid); 210 211/* 212 * This describes one "oid" in the MIB tree. Potentially more nodes can 213 * be hidden behind it, expanded by the handler. 214 */ 215struct sysctl_oid { 216 struct sysctl_oid_list *oid_parent; 217 SLIST_ENTRY(sysctl_oid) oid_link; 218 int oid_number; 219 int oid_kind; 220 void *oid_arg1; 221 int oid_arg2; 222 const char *oid_name; 223 int (*oid_handler) SYSCTL_HANDLER_ARGS; 224 const char *oid_fmt; 225}; 226 227#define SYSCTL_IN(r, p, l) (r->newfunc)(r, p, l) 228#define SYSCTL_OUT(r, p, l) (r->oldfunc)(r, p, l) 229 230typedef int (* sysctl_handler_t) SYSCTL_HANDLER_ARGS; 231 232__BEGIN_DECLS 233 234/* old interface */ 235int sysctl_handle_int SYSCTL_HANDLER_ARGS; 236int sysctl_handle_long SYSCTL_HANDLER_ARGS; 237int sysctl_handle_quad SYSCTL_HANDLER_ARGS; 238int sysctl_handle_int2quad SYSCTL_HANDLER_ARGS; 239int sysctl_handle_string SYSCTL_HANDLER_ARGS; 240int sysctl_handle_opaque SYSCTL_HANDLER_ARGS; 241/* new interface */ 242int sysctl_io_number(struct sysctl_req *req, long long bigValue, size_t valueSize, void *pValue, int *changed); 243int sysctl_io_string(struct sysctl_req *req, char *pValue, size_t valueSize, int trunc, int *changed); 244int sysctl_io_opaque(struct sysctl_req *req, void *pValue, size_t valueSize, int *changed); 245 246/* 247 * These functions are used to add/remove an oid from the mib. 248 */ 249void sysctl_register_oid(struct sysctl_oid *oidp); 250void sysctl_unregister_oid(struct sysctl_oid *oidp); 251 252/* Not exported */ 253void sysctl_register_fixed(void); 254 255__END_DECLS 256 257/* Declare an oid to allow child oids to be added to it. */ 258#define SYSCTL_DECL(name) \ 259 extern struct sysctl_oid_list sysctl_##name##_children 260 261#ifdef XNU_KERNEL_PRIVATE 262#define SYSCTL_LINKER_SET_ENTRY LINKER_SET_ENTRY 263#else 264#define SYSCTL_LINKER_SET_ENTRY(a, b) 265#endif 266/* This constructs a "raw" MIB oid. */ 267#define SYSCTL_OID(parent, nbr, name, kind, a1, a2, handler, fmt, descr) \ 268 struct sysctl_oid sysctl_##parent##_##name = { \ 269 &sysctl_##parent##_children, { 0 }, \ 270 nbr, kind, a1, a2, #name, handler, fmt }; \ 271 SYSCTL_LINKER_SET_ENTRY(__sysctl_set, sysctl_##parent##_##name) 272 273/* This constructs a node from which other oids can hang. */ 274#define SYSCTL_NODE(parent, nbr, name, access, handler, descr) \ 275 struct sysctl_oid_list sysctl_##parent##_##name##_children; \ 276 SYSCTL_OID(parent, nbr, name, CTLTYPE_NODE|access, \ 277 (void*)&sysctl_##parent##_##name##_children, 0, handler, \ 278 "N", descr); 279 280/* Oid for a string. len can be 0 to indicate '\0' termination. */ 281#define SYSCTL_STRING(parent, nbr, name, access, arg, len, descr) \ 282 SYSCTL_OID(parent, nbr, name, CTLTYPE_STRING|access, \ 283 arg, len, sysctl_handle_string, "A", descr) 284 285/* Oid for an int. If ptr is NULL, val is returned. */ 286#define SYSCTL_INT(parent, nbr, name, access, ptr, val, descr) \ 287 SYSCTL_OID(parent, nbr, name, CTLTYPE_INT|access, \ 288 ptr, val, sysctl_handle_int, "I", descr) 289 290/* Oid for an unsigned int. If ptr is NULL, val is returned. */ 291#define SYSCTL_UINT(parent, nbr, name, access, ptr, val, descr) \ 292 SYSCTL_OID(parent, nbr, name, CTLTYPE_INT|access, \ 293 ptr, val, sysctl_handle_int, "IU", descr) 294 295/* Oid for a long. The pointer must be non NULL. */ 296#define SYSCTL_LONG(parent, nbr, name, access, ptr, descr) \ 297 SYSCTL_OID(parent, nbr, name, CTLTYPE_INT|access, \ 298 ptr, 0, sysctl_handle_long, "L", descr) 299 300/* Oid for a quad. The pointer must be non NULL. */ 301#define SYSCTL_QUAD(parent, nbr, name, access, ptr, descr) \ 302 SYSCTL_OID(parent, nbr, name, CTLTYPE_QUAD|access, \ 303 ptr, 0, sysctl_handle_quad, "Q", descr) 304 305/* Oid for an opaque object. Specified by a pointer and a length. */ 306#define SYSCTL_OPAQUE(parent, nbr, name, access, ptr, len, fmt, descr) \ 307 SYSCTL_OID(parent, nbr, name, CTLTYPE_OPAQUE|access, \ 308 ptr, len, sysctl_handle_opaque, fmt, descr) 309 310/* Oid for a struct. Specified by a pointer and a type. */ 311#define SYSCTL_STRUCT(parent, nbr, name, access, ptr, type, descr) \ 312 SYSCTL_OID(parent, nbr, name, CTLTYPE_OPAQUE|access, \ 313 ptr, sizeof(struct type), sysctl_handle_opaque, \ 314 "S," #type, descr) 315 316/* Oid for a procedure. Specified by a pointer and an arg. */ 317#define SYSCTL_PROC(parent, nbr, name, access, ptr, arg, handler, fmt, descr) \ 318 SYSCTL_OID(parent, nbr, name, access, \ 319 ptr, arg, handler, fmt, descr) 320 321 322extern struct sysctl_oid_list sysctl__children; 323SYSCTL_DECL(_kern); 324SYSCTL_DECL(_sysctl); 325SYSCTL_DECL(_vm); 326SYSCTL_DECL(_vfs); 327SYSCTL_DECL(_net); 328SYSCTL_DECL(_debug); 329SYSCTL_DECL(_hw); 330SYSCTL_DECL(_machdep); 331SYSCTL_DECL(_user); 332 333#endif /* KERNEL */ 334 335#ifdef XNU_KERNEL_PRIVATE 336#define SYSCTL_DEF_ENABLED 337#else 338#ifndef KERNEL 339#define SYSCTL_DEF_ENABLED 340#endif 341#endif 342 343#ifdef SYSCTL_DEF_ENABLED 344/* 345 * Top-level identifiers 346 */ 347#define CTL_UNSPEC 0 /* unused */ 348#define CTL_KERN 1 /* "high kernel": proc, limits */ 349#define CTL_VM 2 /* virtual memory */ 350#define CTL_VFS 3 /* file system, mount type is next */ 351#define CTL_NET 4 /* network, see socket.h */ 352#define CTL_DEBUG 5 /* debugging parameters */ 353#define CTL_HW 6 /* generic cpu/io */ 354#define CTL_MACHDEP 7 /* machine dependent */ 355#define CTL_USER 8 /* user-level */ 356#define CTL_MAXID 9 /* number of valid top-level ids */ 357 358#define CTL_NAMES { \ 359 { 0, 0 }, \ 360 { "kern", CTLTYPE_NODE }, \ 361 { "vm", CTLTYPE_NODE }, \ 362 { "vfs", CTLTYPE_NODE }, \ 363 { "net", CTLTYPE_NODE }, \ 364 { "debug", CTLTYPE_NODE }, \ 365 { "hw", CTLTYPE_NODE }, \ 366 { "machdep", CTLTYPE_NODE }, \ 367 { "user", CTLTYPE_NODE }, \ 368} 369 370/* 371 * CTL_KERN identifiers 372 */ 373#define KERN_OSTYPE 1 /* string: system version */ 374#define KERN_OSRELEASE 2 /* string: system release */ 375#define KERN_OSREV 3 /* int: system revision */ 376#define KERN_VERSION 4 /* string: compile time info */ 377#define KERN_MAXVNODES 5 /* int: max vnodes */ 378#define KERN_MAXPROC 6 /* int: max processes */ 379#define KERN_MAXFILES 7 /* int: max open files */ 380#define KERN_ARGMAX 8 /* int: max arguments to exec */ 381#define KERN_SECURELVL 9 /* int: system security level */ 382#define KERN_HOSTNAME 10 /* string: hostname */ 383#define KERN_HOSTID 11 /* int: host identifier */ 384#define KERN_CLOCKRATE 12 /* struct: struct clockrate */ 385#define KERN_VNODE 13 /* struct: vnode structures */ 386#define KERN_PROC 14 /* struct: process entries */ 387#define KERN_FILE 15 /* struct: file entries */ 388#define KERN_PROF 16 /* node: kernel profiling info */ 389#define KERN_POSIX1 17 /* int: POSIX.1 version */ 390#define KERN_NGROUPS 18 /* int: # of supplemental group ids */ 391#define KERN_JOB_CONTROL 19 /* int: is job control available */ 392#define KERN_SAVED_IDS 20 /* int: saved set-user/group-ID */ 393#define KERN_BOOTTIME 21 /* struct: time kernel was booted */ 394#define KERN_NISDOMAINNAME 22 /* string: YP domain name */ 395#define KERN_DOMAINNAME KERN_NISDOMAINNAME 396#define KERN_MAXPARTITIONS 23 /* int: number of partitions/disk */ 397#define KERN_KDEBUG 24 /* int: kernel trace points */ 398#define KERN_UPDATEINTERVAL 25 /* int: update process sleep time */ 399#define KERN_OSRELDATE 26 /* int: OS release date */ 400#define KERN_NTP_PLL 27 /* node: NTP PLL control */ 401#define KERN_BOOTFILE 28 /* string: name of booted kernel */ 402#define KERN_MAXFILESPERPROC 29 /* int: max open files per proc */ 403#define KERN_MAXPROCPERUID 30 /* int: max processes per uid */ 404#define KERN_DUMPDEV 31 /* dev_t: device to dump on */ 405#define KERN_IPC 32 /* node: anything related to IPC */ 406#define KERN_DUMMY 33 /* unused */ 407#define KERN_PS_STRINGS 34 /* int: address of PS_STRINGS */ 408#define KERN_USRSTACK32 35 /* int: address of USRSTACK */ 409#define KERN_LOGSIGEXIT 36 /* int: do we log sigexit procs? */ 410#define KERN_SYMFILE 37 /* string: kernel symbol filename */ 411#define KERN_PROCARGS 38 412 /* 39 was KERN_PCSAMPLES... now deprecated */ 413#define KERN_NETBOOT 40 /* int: are we netbooted? 1=yes,0=no */ 414#define KERN_PANICINFO 41 /* node: panic UI information */ 415#define KERN_SYSV 42 /* node: System V IPC information */ 416#define KERN_AFFINITY 43 /* xxx */ 417#define KERN_TRANSLATE 44 /* xxx */ 418#define KERN_CLASSIC KERN_TRANSLATE /* XXX backwards compat */ 419#define KERN_EXEC 45 /* xxx */ 420#define KERN_CLASSICHANDLER KERN_EXEC /* XXX backwards compatibility */ 421#define KERN_AIOMAX 46 /* int: max aio requests */ 422#define KERN_AIOPROCMAX 47 /* int: max aio requests per process */ 423#define KERN_AIOTHREADS 48 /* int: max aio worker threads */ 424#ifdef __APPLE_API_UNSTABLE 425#define KERN_PROCARGS2 49 426#endif /* __APPLE_API_UNSTABLE */ 427#define KERN_COREFILE 50 /* string: corefile format string */ 428#define KERN_COREDUMP 51 /* int: whether to coredump at all */ 429#define KERN_SUGID_COREDUMP 52 /* int: whether to dump SUGID cores */ 430#define KERN_PROCDELAYTERM 53 /* int: set/reset current proc for delayed termination during shutdown */ 431#define KERN_SHREG_PRIVATIZABLE 54 /* int: can shared regions be privatized ? */ 432#define KERN_PROC_LOW_PRI_IO 55 /* int: set/reset current proc for low priority I/O */ 433#define KERN_LOW_PRI_WINDOW 56 /* int: set/reset throttle window - milliseconds */ 434#define KERN_LOW_PRI_DELAY 57 /* int: set/reset throttle delay - milliseconds */ 435#define KERN_POSIX 58 /* node: posix tunables */ 436#define KERN_USRSTACK64 59 /* LP64 user stack query */ 437#define KERN_NX_PROTECTION 60 /* int: whether no-execute protection is enabled */ 438#define KERN_TFP 61 /* Task for pid settings */ 439#define KERN_PROCNAME 62 /* setup process program name(2*MAXCOMLEN) */ 440#define KERN_THALTSTACK 63 /* for compat with older x86 and does nothing */ 441#define KERN_SPECULATIVE_READS 64 /* int: whether speculative reads are disabled */ 442#define KERN_OSVERSION 65 /* for build number i.e. 9A127 */ 443#define KERN_SAFEBOOT 66 /* are we booted safe? */ 444#define KERN_LCTX 67 /* node: login context */ 445#define KERN_RAGEVNODE 68 446#define KERN_TTY 69 /* node: tty settings */ 447#define KERN_CHECKOPENEVT 70 /* spi: check the VOPENEVT flag on vnodes at open time */ 448#define KERN_MAXID 71 /* number of valid kern ids */ 449/* 450 * Don't add any more sysctls like this. Instead, use the SYSCTL_*() macros 451 * and OID_AUTO. This will have the added benefit of not having to recompile 452 * sysctl(8) to pick up your changes. 453 */ 454 455#if COUNT_SYSCALLS && defined(KERNEL) 456#define KERN_COUNT_SYSCALLS (KERN_OSTYPE + 1000) /* keep called count for each bsd syscall */ 457#endif 458 459#if defined(__LP64__) 460#define KERN_USRSTACK KERN_USRSTACK64 461#else 462#define KERN_USRSTACK KERN_USRSTACK32 463#endif 464 465 466/* KERN_RAGEVNODE types */ 467#define KERN_RAGE_PROC 1 468#define KERN_RAGE_THREAD 2 469#define KERN_UNRAGE_PROC 3 470#define KERN_UNRAGE_THREAD 4 471 472/* KERN_OPENEVT types */ 473#define KERN_OPENEVT_PROC 1 474#define KERN_UNOPENEVT_PROC 2 475 476/* KERN_TFP types */ 477#define KERN_TFP_POLICY 1 478 479/* KERN_TFP_POLICY values . All policies allow task port for self */ 480#define KERN_TFP_POLICY_DENY 0 /* Deny Mode: None allowed except privileged */ 481#define KERN_TFP_POLICY_DEFAULT 2 /* Default Mode: related ones allowed and upcall authentication */ 482 483/* KERN_KDEBUG types */ 484#define KERN_KDEFLAGS 1 485#define KERN_KDDFLAGS 2 486#define KERN_KDENABLE 3 487#define KERN_KDSETBUF 4 488#define KERN_KDGETBUF 5 489#define KERN_KDSETUP 6 490#define KERN_KDREMOVE 7 491#define KERN_KDSETREG 8 492#define KERN_KDGETREG 9 493#define KERN_KDREADTR 10 494#define KERN_KDPIDTR 11 495#define KERN_KDTHRMAP 12 496/* Don't use 13 as it is overloaded with KERN_VNODE */ 497#define KERN_KDPIDEX 14 498#define KERN_KDSETRTCDEC 15 499#define KERN_KDGETENTROPY 16 500 501/* KERN_PANICINFO types */ 502#define KERN_PANICINFO_MAXSIZE 1 /* quad: panic UI image size limit */ 503#define KERN_PANICINFO_IMAGE 2 /* panic UI in 8-bit kraw format */ 504 505#define CTL_KERN_NAMES { \ 506 { 0, 0 }, \ 507 { "ostype", CTLTYPE_STRING }, \ 508 { "osrelease", CTLTYPE_STRING }, \ 509 { "osrevision", CTLTYPE_INT }, \ 510 { "version", CTLTYPE_STRING }, \ 511 { "maxvnodes", CTLTYPE_INT }, \ 512 { "maxproc", CTLTYPE_INT }, \ 513 { "maxfiles", CTLTYPE_INT }, \ 514 { "argmax", CTLTYPE_INT }, \ 515 { "securelevel", CTLTYPE_INT }, \ 516 { "hostname", CTLTYPE_STRING }, \ 517 { "hostid", CTLTYPE_INT }, \ 518 { "clockrate", CTLTYPE_STRUCT }, \ 519 { "vnode", CTLTYPE_STRUCT }, \ 520 { "proc", CTLTYPE_STRUCT }, \ 521 { "file", CTLTYPE_STRUCT }, \ 522 { "profiling", CTLTYPE_NODE }, \ 523 { "posix1version", CTLTYPE_INT }, \ 524 { "ngroups", CTLTYPE_INT }, \ 525 { "job_control", CTLTYPE_INT }, \ 526 { "saved_ids", CTLTYPE_INT }, \ 527 { "boottime", CTLTYPE_STRUCT }, \ 528 { "nisdomainname", CTLTYPE_STRING }, \ 529 { "maxpartitions", CTLTYPE_INT }, \ 530 { "kdebug", CTLTYPE_INT }, \ 531 { "update", CTLTYPE_INT }, \ 532 { "osreldate", CTLTYPE_INT }, \ 533 { "ntp_pll", CTLTYPE_NODE }, \ 534 { "bootfile", CTLTYPE_STRING }, \ 535 { "maxfilesperproc", CTLTYPE_INT }, \ 536 { "maxprocperuid", CTLTYPE_INT }, \ 537 { "dumpdev", CTLTYPE_STRUCT }, /* we lie; don't print as int */ \ 538 { "ipc", CTLTYPE_NODE }, \ 539 { "dummy", CTLTYPE_INT }, \ 540 { "dummy", CTLTYPE_INT }, \ 541 { "usrstack", CTLTYPE_INT }, \ 542 { "logsigexit", CTLTYPE_INT }, \ 543 { "symfile",CTLTYPE_STRING },\ 544 { "procargs",CTLTYPE_STRUCT },\ 545 { "dummy", CTLTYPE_INT }, /* deprecated pcsamples */ \ 546 { "netboot", CTLTYPE_INT }, \ 547 { "panicinfo", CTLTYPE_NODE }, \ 548 { "sysv", CTLTYPE_NODE }, \ 549 { "dummy", CTLTYPE_INT }, \ 550 { "dummy", CTLTYPE_INT }, \ 551 { "exec", CTLTYPE_NODE }, \ 552 { "aiomax", CTLTYPE_INT }, \ 553 { "aioprocmax", CTLTYPE_INT }, \ 554 { "aiothreads", CTLTYPE_INT }, \ 555 { "procargs2",CTLTYPE_STRUCT }, \ 556 { "corefile",CTLTYPE_STRING }, \ 557 { "coredump", CTLTYPE_INT }, \ 558 { "sugid_coredump", CTLTYPE_INT }, \ 559 { "delayterm", CTLTYPE_INT }, \ 560 { "shreg_private", CTLTYPE_INT }, \ 561 { "proc_low_pri_io", CTLTYPE_INT }, \ 562 { "low_pri_window", CTLTYPE_INT }, \ 563 { "low_pri_delay", CTLTYPE_INT }, \ 564 { "posix", CTLTYPE_NODE }, \ 565 { "usrstack64", CTLTYPE_QUAD }, \ 566 { "nx", CTLTYPE_INT }, \ 567 { "tfp", CTLTYPE_NODE }, \ 568 { "procname", CTLTYPE_STRING }, \ 569 { "threadsigaltstack", CTLTYPE_INT }, \ 570 { "speculative_reads_disabled", CTLTYPE_INT }, \ 571 { "osversion", CTLTYPE_STRING }, \ 572 { "safeboot", CTLTYPE_INT }, \ 573 { "lctx", CTLTYPE_NODE }, \ 574 { "rage_vnode", CTLTYPE_INT }, \ 575 { "tty", CTLTYPE_NODE }, \ 576 { "check_openevt", CTLTYPE_INT } \ 577} 578 579/* 580 * CTL_VFS identifiers 581 */ 582#define CTL_VFS_NAMES { \ 583 { "vfsconf", CTLTYPE_STRUCT } \ 584} 585 586/* 587 * KERN_PROC subtypes 588 */ 589#define KERN_PROC_ALL 0 /* everything */ 590#define KERN_PROC_PID 1 /* by process id */ 591#define KERN_PROC_PGRP 2 /* by process group id */ 592#define KERN_PROC_SESSION 3 /* by session of pid */ 593#define KERN_PROC_TTY 4 /* by controlling tty */ 594#define KERN_PROC_UID 5 /* by effective uid */ 595#define KERN_PROC_RUID 6 /* by real uid */ 596#define KERN_PROC_LCID 7 /* by login context id */ 597 598/* 599 * KERN_LCTX subtypes 600 */ 601#define KERN_LCTX_ALL 0 /* everything */ 602#define KERN_LCTX_LCID 1 /* by login context id */ 603 604/* 605 * KERN_PROC subtype ops return arrays of augmented proc structures: 606 */ 607#ifdef __APPLE_API_UNSTABLE 608 609struct _pcred { 610 char pc_lock[72]; /* opaque content */ 611 struct ucred *pc_ucred; /* Current credentials. */ 612 uid_t p_ruid; /* Real user id. */ 613 uid_t p_svuid; /* Saved effective user id. */ 614 gid_t p_rgid; /* Real group id. */ 615 gid_t p_svgid; /* Saved effective group id. */ 616 int p_refcnt; /* Number of references. */ 617}; 618 619struct _ucred { 620 int32_t cr_ref; /* reference count */ 621 uid_t cr_uid; /* effective user id */ 622 short cr_ngroups; /* number of groups */ 623 gid_t cr_groups[NGROUPS]; /* groups */ 624}; 625 626struct kinfo_proc { 627 struct extern_proc kp_proc; /* proc structure */ 628 struct eproc { 629 struct proc *e_paddr; /* address of proc */ 630 struct session *e_sess; /* session pointer */ 631 struct _pcred e_pcred; /* process credentials */ 632 struct _ucred e_ucred; /* current credentials */ 633 struct vmspace e_vm; /* address space */ 634 pid_t e_ppid; /* parent process id */ 635 pid_t e_pgid; /* process group id */ 636 short e_jobc; /* job control counter */ 637 dev_t e_tdev; /* controlling tty dev */ 638 pid_t e_tpgid; /* tty process group id */ 639 struct session *e_tsess; /* tty session pointer */ 640#define WMESGLEN 7 641 char e_wmesg[WMESGLEN+1]; /* wchan message */ 642 segsz_t e_xsize; /* text size */ 643 short e_xrssize; /* text rss */ 644 short e_xccount; /* text references */ 645 short e_xswrss; 646 int32_t e_flag; 647#define EPROC_CTTY 0x01 /* controlling tty vnode active */ 648#define EPROC_SLEADER 0x02 /* session leader */ 649#define COMAPT_MAXLOGNAME 12 650 char e_login[COMAPT_MAXLOGNAME]; /* short setlogin() name */ 651#if CONFIG_LCTX 652 pid_t e_lcid; 653 int32_t e_spare[3]; 654#else 655 int32_t e_spare[4]; 656#endif 657 } kp_eproc; 658}; 659 660struct kinfo_lctx { 661 pid_t id; /* Login Context ID */ 662 int mc; /* Member Count */ 663}; 664 665#ifdef BSD_KERNEL_PRIVATE 666#include <sys/proc_internal.h> 667 668/* LP64 version of _pcred. all pointers 669 * grow when we're dealing with a 64-bit process. 670 * WARNING - keep in sync with _pcred 671 */ 672 673struct user_pcred { 674 char pc_lock[72]; /* opaque content */ 675 user_addr_t pc_ucred; /* Current credentials. */ 676 uid_t p_ruid; /* Real user id. */ 677 uid_t p_svuid; /* Saved effective user id. */ 678 gid_t p_rgid; /* Real group id. */ 679 gid_t p_svgid; /* Saved effective group id. */ 680 int p_refcnt __attribute((aligned(8))); /* Number of references. */ 681}; 682 683/* LP64 version of kinfo_proc. all pointers 684 * grow when we're dealing with a 64-bit process. 685 * WARNING - keep in sync with kinfo_proc 686 */ 687struct user_kinfo_proc { 688 struct user_extern_proc kp_proc; /* proc structure */ 689 struct user_eproc { 690 user_addr_t e_paddr; /* address of proc */ 691 user_addr_t e_sess; /* session pointer */ 692 struct user_pcred e_pcred; /* process credentials */ 693 struct _ucred e_ucred; /* current credentials */ 694 struct user_vmspace e_vm; /* address space */ 695 pid_t e_ppid; /* parent process id */ 696 pid_t e_pgid; /* process group id */ 697 short e_jobc; /* job control counter */ 698 dev_t e_tdev; /* controlling tty dev */ 699 pid_t e_tpgid; /* tty process group id */ 700 user_addr_t e_tsess __attribute((aligned(8))); /* tty session pointer */ 701 char e_wmesg[WMESGLEN+1]; /* wchan message */ 702 segsz_t e_xsize; /* text size */ 703 short e_xrssize; /* text rss */ 704 short e_xccount; /* text references */ 705 short e_xswrss; 706 int32_t e_flag; 707 char e_login[COMAPT_MAXLOGNAME]; /* short setlogin() name */ 708#if CONFIG_LCTX 709 pid_t e_lcid; 710 int32_t e_spare[3]; 711#else 712 int32_t e_spare[4]; 713#endif 714 } kp_eproc; 715}; 716 717#endif /* BSD_KERNEL_PRIVATE */ 718 719#endif /* __APPLE_API_UNSTABLE */ 720 721/* 722 * KERN_IPC identifiers 723 */ 724#define KIPC_MAXSOCKBUF 1 /* int: max size of a socket buffer */ 725#define KIPC_SOCKBUF_WASTE 2 /* int: wastage factor in sockbuf */ 726#define KIPC_SOMAXCONN 3 /* int: max length of connection q */ 727#define KIPC_MAX_LINKHDR 4 /* int: max length of link header */ 728#define KIPC_MAX_PROTOHDR 5 /* int: max length of network header */ 729#define KIPC_MAX_HDR 6 /* int: max total length of headers */ 730#define KIPC_MAX_DATALEN 7 /* int: max length of data? */ 731#define KIPC_MBSTAT 8 /* struct: mbuf usage statistics */ 732#define KIPC_NMBCLUSTERS 9 /* int: maximum mbuf clusters */ 733#define KIPC_SOQLIMITCOMPAT 10 /* int: socket queue limit */ 734 735/* 736 * CTL_VM identifiers 737 */ 738#define VM_METER 1 /* struct vmmeter */ 739#define VM_LOADAVG 2 /* struct loadavg */ 740/* 741 * Note: "3" was skipped sometime ago and should probably remain unused 742 * to avoid any new entry from being accepted by older kernels... 743 */ 744#define VM_MACHFACTOR 4 /* struct loadavg with mach factor*/ 745#define VM_SWAPUSAGE 5 /* total swap usage */ 746#define VM_MAXID 6 /* number of valid vm ids */ 747 748#define CTL_VM_NAMES { \ 749 { 0, 0 }, \ 750 { "vmmeter", CTLTYPE_STRUCT }, \ 751 { "loadavg", CTLTYPE_STRUCT }, \ 752 { 0, 0 }, /* placeholder for "3" (see comment above) */ \ 753 { "dummy", CTLTYPE_INT }, \ 754 { "swapusage", CTLTYPE_STRUCT } \ 755} 756 757struct xsw_usage { 758 u_int64_t xsu_total; 759 u_int64_t xsu_avail; 760 u_int64_t xsu_used; 761 u_int32_t xsu_pagesize; 762 boolean_t xsu_encrypted; 763}; 764 765#ifdef __APPLE_API_PRIVATE 766/* Load average structure. Use of fixpt_t assume <sys/types.h> in scope. */ 767/* XXX perhaps we should protect fixpt_t, and define it here (or discard it) */ 768struct loadavg { 769 fixpt_t ldavg[3]; 770 long fscale; 771}; 772extern struct loadavg averunnable; 773#define LSCALE 1000 /* scaling for "fixed point" arithmetic */ 774 775#ifdef BSD_KERNEL_PRIVATE 776 777struct user_loadavg { 778 fixpt_t ldavg[3]; 779 user_long_t fscale __attribute((aligned(8))); 780}; 781 782#endif /* BSD_KERNEL_PRIVATE */ 783#endif /* __APPLE_API_PRIVATE */ 784 785 786/* 787 * CTL_HW identifiers 788 */ 789#define HW_MACHINE 1 /* string: machine class */ 790#define HW_MODEL 2 /* string: specific machine model */ 791#define HW_NCPU 3 /* int: number of cpus */ 792#define HW_BYTEORDER 4 /* int: machine byte order */ 793#define HW_PHYSMEM 5 /* int: total memory */ 794#define HW_USERMEM 6 /* int: non-kernel memory */ 795#define HW_PAGESIZE 7 /* int: software page size */ 796#define HW_DISKNAMES 8 /* strings: disk drive names */ 797#define HW_DISKSTATS 9 /* struct: diskstats[] */ 798#define HW_EPOCH 10 /* int: 0 for Legacy, else NewWorld */ 799#define HW_FLOATINGPT 11 /* int: has HW floating point? */ 800#define HW_MACHINE_ARCH 12 /* string: machine architecture */ 801#define HW_VECTORUNIT 13 /* int: has HW vector unit? */ 802#define HW_BUS_FREQ 14 /* int: Bus Frequency */ 803#define HW_CPU_FREQ 15 /* int: CPU Frequency */ 804#define HW_CACHELINE 16 /* int: Cache Line Size in Bytes */ 805#define HW_L1ICACHESIZE 17 /* int: L1 I Cache Size in Bytes */ 806#define HW_L1DCACHESIZE 18 /* int: L1 D Cache Size in Bytes */ 807#define HW_L2SETTINGS 19 /* int: L2 Cache Settings */ 808#define HW_L2CACHESIZE 20 /* int: L2 Cache Size in Bytes */ 809#define HW_L3SETTINGS 21 /* int: L3 Cache Settings */ 810#define HW_L3CACHESIZE 22 /* int: L3 Cache Size in Bytes */ 811#define HW_TB_FREQ 23 /* int: Bus Frequency */ 812#define HW_MEMSIZE 24 /* uint64_t: physical ram size */ 813#define HW_AVAILCPU 25 /* int: number of available CPUs */ 814#define HW_MAXID 26 /* number of valid hw ids */ 815 816#define CTL_HW_NAMES { \ 817 { 0, 0 }, \ 818 { "machine", CTLTYPE_STRING }, \ 819 { "model", CTLTYPE_STRING }, \ 820 { "ncpu", CTLTYPE_INT }, \ 821 { "byteorder", CTLTYPE_INT }, \ 822 { "physmem", CTLTYPE_INT }, \ 823 { "usermem", CTLTYPE_INT }, \ 824 { "pagesize", CTLTYPE_INT }, \ 825 { "disknames", CTLTYPE_STRUCT }, \ 826 { "diskstats", CTLTYPE_STRUCT }, \ 827 { "epoch", CTLTYPE_INT }, \ 828 { "floatingpoint", CTLTYPE_INT }, \ 829 { "machinearch", CTLTYPE_STRING }, \ 830 { "vectorunit", CTLTYPE_INT }, \ 831 { "busfrequency", CTLTYPE_INT }, \ 832 { "cpufrequency", CTLTYPE_INT }, \ 833 { "cachelinesize", CTLTYPE_INT }, \ 834 { "l1icachesize", CTLTYPE_INT }, \ 835 { "l1dcachesize", CTLTYPE_INT }, \ 836 { "l2settings", CTLTYPE_INT }, \ 837 { "l2cachesize", CTLTYPE_INT }, \ 838 { "l3settings", CTLTYPE_INT }, \ 839 { "l3cachesize", CTLTYPE_INT }, \ 840 { "tbfrequency", CTLTYPE_INT }, \ 841 { "memsize", CTLTYPE_QUAD }, \ 842 { "availcpu", CTLTYPE_INT } \ 843} 844 845/* 846 * XXX This information should be moved to the man page. 847 * 848 * These are the support HW selectors for sysctlbyname. Parameters that are byte counts or frequencies are 64 bit numbers. 849 * All other parameters are 32 bit numbers. 850 * 851 * hw.memsize - The number of bytes of physical memory in the system. 852 * 853 * hw.ncpu - The maximum number of processors that could be available this boot. 854 * Use this value for sizing of static per processor arrays; i.e. processor load statistics. 855 * 856 * hw.activecpu - The number of processors currently available for executing threads. 857 * Use this number to determine the number threads to create in SMP aware applications. 858 * This number can change when power management modes are changed. 859 * 860 * hw.physicalcpu - The number of physical processors available in the current power management mode. 861 * hw.physicalcpu_max - The maximum number of physical processors that could be available this boot 862 * 863 * hw.logicalcpu - The number of logical processors available in the current power management mode. 864 * hw.logicalcpu_max - The maximum number of logical processors that could be available this boot 865 * 866 * hw.tbfrequency - This gives the time base frequency used by the OS and is the basis of all timing services. 867 * In general is is better to use mach's or higher level timing services, but this value 868 * is needed to convert the PPC Time Base registers to real time. 869 * 870 * hw.cpufrequency - These values provide the current, min and max cpu frequency. The min and max are for 871 * hw.cpufrequency_max - all power management modes. The current frequency is the max frequency in the current mode. 872 * hw.cpufrequency_min - All frequencies are in Hz. 873 * 874 * hw.busfrequency - These values provide the current, min and max bus frequency. The min and max are for 875 * hw.busfrequency_max - all power management modes. The current frequency is the max frequency in the current mode. 876 * hw.busfrequency_min - All frequencies are in Hz. 877 * 878 * hw.cputype - These values provide the mach-o cpu type and subtype. A complete list is in <mach/machine.h> 879 * hw.cpusubtype - These values should be used to determine what processor family the running cpu is from so that 880 * the best binary can be chosen, or the best dynamic code generated. They should not be used 881 * to determine if a given processor feature is available. 882 * hw.cputhreadtype - This value will be present if the processor supports threads. Like hw.cpusubtype this selector 883 * should not be used to infer features, and only used to name the processors thread architecture. 884 * The values are defined in <mach/machine.h> 885 * 886 * hw.byteorder - Gives the byte order of the processor. 4321 for big endian, 1234 for little. 887 * 888 * hw.pagesize - Gives the size in bytes of the pages used by the processor and VM system. 889 * 890 * hw.cachelinesize - Gives the size in bytes of the processor's cache lines. 891 * This value should be use to control the strides of loops that use cache control instructions 892 * like dcbz, dcbt or dcbst. 893 * 894 * hw.l1dcachesize - These values provide the size in bytes of the L1, L2 and L3 caches. If a cache is not present 895 * hw.l1icachesize - then the selector will return and error. 896 * hw.l2cachesize - 897 * hw.l3cachesize - 898 * 899 * hw.packages - Gives the number of processor packages. 900 * 901 * These are the selectors for optional processor features for specific processors. Selectors that return errors are not support 902 * on the system. Supported features will return 1 if they are recommended or 0 if they are supported but are not expected to help . 903 * performance. Future versions of these selectors may return larger values as necessary so it is best to test for non zero. 904 * 905 * For PowerPC: 906 * 907 * hw.optional.floatingpoint - Floating Point Instructions 908 * hw.optional.altivec - AltiVec Instructions 909 * hw.optional.graphicsops - Graphics Operations 910 * hw.optional.64bitops - 64-bit Instructions 911 * hw.optional.fsqrt - HW Floating Point Square Root Instruction 912 * hw.optional.stfiwx - Store Floating Point as Integer Word Indexed Instructions 913 * hw.optional.dcba - Data Cache Block Allocate Instruction 914 * hw.optional.datastreams - Data Streams Instructions 915 * hw.optional.dcbtstreams - Data Cache Block Touch Steams Instruction Form 916 * 917 * For x86 Architecture: 918 * 919 * hw.optional.floatingpoint - Floating Point Instructions 920 * hw.optional.mmx - Original MMX vector instructions 921 * hw.optional.sse - Streaming SIMD Extensions 922 * hw.optional.sse2 - Streaming SIMD Extensions 2 923 * hw.optional.sse3 - Streaming SIMD Extensions 3 924 * hw.optional.supplementalsse3 - Supplemental Streaming SIMD Extensions 3 925 * hw.optional.x86_64 - 64-bit support 926 */ 927 928 929/* 930 * CTL_USER definitions 931 */ 932#define USER_CS_PATH 1 /* string: _CS_PATH */ 933#define USER_BC_BASE_MAX 2 /* int: BC_BASE_MAX */ 934#define USER_BC_DIM_MAX 3 /* int: BC_DIM_MAX */ 935#define USER_BC_SCALE_MAX 4 /* int: BC_SCALE_MAX */ 936#define USER_BC_STRING_MAX 5 /* int: BC_STRING_MAX */ 937#define USER_COLL_WEIGHTS_MAX 6 /* int: COLL_WEIGHTS_MAX */ 938#define USER_EXPR_NEST_MAX 7 /* int: EXPR_NEST_MAX */ 939#define USER_LINE_MAX 8 /* int: LINE_MAX */ 940#define USER_RE_DUP_MAX 9 /* int: RE_DUP_MAX */ 941#define USER_POSIX2_VERSION 10 /* int: POSIX2_VERSION */ 942#define USER_POSIX2_C_BIND 11 /* int: POSIX2_C_BIND */ 943#define USER_POSIX2_C_DEV 12 /* int: POSIX2_C_DEV */ 944#define USER_POSIX2_CHAR_TERM 13 /* int: POSIX2_CHAR_TERM */ 945#define USER_POSIX2_FORT_DEV 14 /* int: POSIX2_FORT_DEV */ 946#define USER_POSIX2_FORT_RUN 15 /* int: POSIX2_FORT_RUN */ 947#define USER_POSIX2_LOCALEDEF 16 /* int: POSIX2_LOCALEDEF */ 948#define USER_POSIX2_SW_DEV 17 /* int: POSIX2_SW_DEV */ 949#define USER_POSIX2_UPE 18 /* int: POSIX2_UPE */ 950#define USER_STREAM_MAX 19 /* int: POSIX2_STREAM_MAX */ 951#define USER_TZNAME_MAX 20 /* int: POSIX2_TZNAME_MAX */ 952#define USER_MAXID 21 /* number of valid user ids */ 953 954#define CTL_USER_NAMES { \ 955 { 0, 0 }, \ 956 { "cs_path", CTLTYPE_STRING }, \ 957 { "bc_base_max", CTLTYPE_INT }, \ 958 { "bc_dim_max", CTLTYPE_INT }, \ 959 { "bc_scale_max", CTLTYPE_INT }, \ 960 { "bc_string_max", CTLTYPE_INT }, \ 961 { "coll_weights_max", CTLTYPE_INT }, \ 962 { "expr_nest_max", CTLTYPE_INT }, \ 963 { "line_max", CTLTYPE_INT }, \ 964 { "re_dup_max", CTLTYPE_INT }, \ 965 { "posix2_version", CTLTYPE_INT }, \ 966 { "posix2_c_bind", CTLTYPE_INT }, \ 967 { "posix2_c_dev", CTLTYPE_INT }, \ 968 { "posix2_char_term", CTLTYPE_INT }, \ 969 { "posix2_fort_dev", CTLTYPE_INT }, \ 970 { "posix2_fort_run", CTLTYPE_INT }, \ 971 { "posix2_localedef", CTLTYPE_INT }, \ 972 { "posix2_sw_dev", CTLTYPE_INT }, \ 973 { "posix2_upe", CTLTYPE_INT }, \ 974 { "stream_max", CTLTYPE_INT }, \ 975 { "tzname_max", CTLTYPE_INT } \ 976} 977 978 979 980/* 981 * CTL_DEBUG definitions 982 * 983 * Second level identifier specifies which debug variable. 984 * Third level identifier specifies which stucture component. 985 */ 986#define CTL_DEBUG_NAME 0 /* string: variable name */ 987#define CTL_DEBUG_VALUE 1 /* int: variable value */ 988#define CTL_DEBUG_MAXID 20 989 990 991#if (CTL_MAXID != 9) || (KERN_MAXID != 71) || (VM_MAXID != 6) || (HW_MAXID != 26) || (USER_MAXID != 21) || (CTL_DEBUG_MAXID != 20) 992#error Use the SYSCTL_*() macros and OID_AUTO instead! 993#endif 994 995 996#ifdef KERNEL 997#ifdef DEBUG 998/* 999 * CTL_DEBUG variables. 1000 * 1001 * These are declared as separate variables so that they can be 1002 * individually initialized at the location of their associated 1003 * variable. The loader prevents multiple use by issuing errors 1004 * if a variable is initialized in more than one place. They are 1005 * aggregated into an array in debug_sysctl(), so that it can 1006 * conveniently locate them when querried. If more debugging 1007 * variables are added, they must also be declared here and also 1008 * entered into the array. 1009 */ 1010struct ctldebug { 1011 char *debugname; /* name of debugging variable */ 1012 int *debugvar; /* pointer to debugging variable */ 1013}; 1014extern struct ctldebug debug0, debug1, debug2, debug3, debug4; 1015extern struct ctldebug debug5, debug6, debug7, debug8, debug9; 1016extern struct ctldebug debug10, debug11, debug12, debug13, debug14; 1017extern struct ctldebug debug15, debug16, debug17, debug18, debug19; 1018#endif /* DEBUG */ 1019 1020#ifdef BSD_KERNEL_PRIVATE 1021extern char machine[]; 1022extern char osrelease[]; 1023extern char ostype[]; 1024extern char osversion[]; 1025 1026struct linker_set; 1027 1028void sysctl_register_set(const char *set); 1029void sysctl_unregister_set(const char *set); 1030void sysctl_mib_init(void) __attribute__((section("__TEXT, initcode"))); 1031int kernel_sysctl(struct proc *p, int *name, u_int namelen, void *old, 1032 size_t *oldlenp, void *newp, size_t newlen); 1033int userland_sysctl(struct proc *p, int *name, u_int namelen, user_addr_t old, 1034 size_t *oldlenp, int inkernel, user_addr_t newp, size_t newlen, 1035 size_t *retval); 1036 1037/* 1038 * Internal sysctl function calling convention: 1039 * 1040 * (*sysctlfn)(name, namelen, oldval, oldlenp, newval, newlen); 1041 * 1042 * The name parameter points at the next component of the name to be 1043 * interpreted. The namelen parameter is the number of integers in 1044 * the name. 1045 */ 1046typedef int (sysctlfn) 1047 (int *, u_int, user_addr_t, size_t *, user_addr_t, size_t, struct proc *); 1048 1049int sysctl_int(user_addr_t, size_t *, user_addr_t, size_t, int *); 1050int sysctl_rdint(user_addr_t, size_t *, user_addr_t, int); 1051int sysctl_quad(user_addr_t, size_t *, user_addr_t, size_t, quad_t *); 1052int sysctl_rdquad(user_addr_t, size_t *, user_addr_t, quad_t); 1053int sysctl_string(user_addr_t, size_t *, user_addr_t, size_t, char *, int); 1054int sysctl_trstring(user_addr_t, size_t *, user_addr_t, size_t, char *, int); 1055int sysctl_rdstring(user_addr_t, size_t *, user_addr_t, char *); 1056int sysctl_rdstruct(user_addr_t, size_t *, user_addr_t, void *, int); 1057 1058/* XXX should be in <sys/sysproto.h>, but not a real system call */ 1059struct sysctl_args; 1060int new_sysctl(struct proc *, struct sysctl_args *); 1061 1062void sysctl_register_all(void); 1063 1064#endif /* BSD_KERNEL_PRIVATE */ 1065#else /* !KERNEL */ 1066 1067__BEGIN_DECLS 1068int sysctl(int *, u_int, void *, size_t *, void *, size_t); 1069int sysctlbyname(const char *, void *, size_t *, void *, size_t); 1070int sysctlnametomib(const char *, int *, size_t *); 1071__END_DECLS 1072 1073#endif /* KERNEL */ 1074 1075 1076#endif /* SYSCTL_DEF_ENABLED */ 1077 1078 1079#endif /* !_SYS_SYSCTL_H_ */ 1080