source: trunk/src/emx/include/sys/sysctl.h@ 1931

Last change on this file since 1931 was 1931, checked in by bird, 21 years ago

More hacking.
  • Property cvs2svn:cvs-rev set to 1.4
  • Property svn:eol-style set to native
  • Property svn:executable set to *
  • Property svn:keywords set to Author Date Id Revision
File size: 25.1 KB
Line 
1/*
2 * Copyright (c) 1989, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * Mike Karels at Berkeley Software Design, Inc.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 4. Neither the name of the University nor the names of its 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 THE REGENTS 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 THE REGENTS 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 * @(#)sysctl.h 8.1 (Berkeley) 6/2/93
33 * $FreeBSD: src/sys/sys/sysctl.h,v 1.132 2004/07/28 07:08:39 kan Exp $
34 */
35
36/** @file
37 * FreeBSD 5.3
38 * @changed bird: Hacked on the kernel stuff and started adding OS/2 tcpip4.1 extensions.
39 */
40
41#ifndef _SYS_SYSCTL_H_
42#define _SYS_SYSCTL_H_
43
44#include <sys/queue.h>
45
46struct thread;
47/*
48 * Definitions for sysctl call. The sysctl call uses a hierarchical name
49 * for objects that can be examined or modified. The name is expressed as
50 * a sequence of integers. Like a file path name, the meaning of each
51 * component depends on its place in the hierarchy. The top-level and kern
52 * identifiers are defined here, and other identifiers are defined in the
53 * respective subsystem header files.
54 */
55
56#define CTL_MAXNAME 24 /* largest number of components supported */
57
58/*
59 * Each subsystem defined by sysctl defines a list of variables
60 * for that subsystem. Each name is either a node with further
61 * levels defined below it, or it is a leaf of some particular
62 * type given below. Each sysctl level defines a set of name/type
63 * pairs to be used by sysctl(8) in manipulating the subsystem.
64 */
65struct ctlname {
66 char *ctl_name; /* subsystem name */
67 int ctl_type; /* type of name */
68};
69
70#define CTLTYPE 0xf /* Mask for the type */
71#define CTLTYPE_NODE 1 /* name is a node */
72#define CTLTYPE_INT 2 /* name describes an integer */
73#define CTLTYPE_STRING 3 /* name describes a string */
74#define CTLTYPE_QUAD 4 /* name describes a 64-bit number */
75#define CTLTYPE_OPAQUE 5 /* name describes a structure */
76#define CTLTYPE_STRUCT CTLTYPE_OPAQUE /* name describes a structure */
77#define CTLTYPE_UINT 6 /* name describes an unsigned integer */
78#define CTLTYPE_LONG 7 /* name describes a long */
79#define CTLTYPE_ULONG 8 /* name describes an unsigned long */
80
81#define CTLFLAG_RD 0x80000000 /* Allow reads of variable */
82#define CTLFLAG_WR 0x40000000 /* Allow writes to the variable */
83#define CTLFLAG_RW (CTLFLAG_RD|CTLFLAG_WR)
84#define CTLFLAG_NOLOCK 0x20000000 /* XXX Don't Lock */
85#define CTLFLAG_ANYBODY 0x10000000 /* All users can set this var */
86#define CTLFLAG_SECURE 0x08000000 /* Permit set only if securelevel<=0 */
87#define CTLFLAG_PRISON 0x04000000 /* Prisoned roots can fiddle */
88#define CTLFLAG_DYN 0x02000000 /* Dynamic oid - can be freed */
89#define CTLFLAG_SKIP 0x01000000 /* Skip this sysctl when listing */
90#define CTLMASK_SECURE 0x00F00000 /* Secure level */
91#define CTLFLAG_TUN 0x00080000 /* Tunable variable */
92#define CTLFLAG_RDTUN (CTLFLAG_RD|CTLFLAG_TUN)
93
94/*
95 * Secure level. Note that CTLFLAG_SECURE == CTLFLAG_SECURE1.
96 *
97 * Secure when the securelevel is raised to at least N.
98 */
99#define CTLSHIFT_SECURE 20
100#define CTLFLAG_SECURE1 (CTLFLAG_SECURE | (0 << CTLSHIFT_SECURE))
101#define CTLFLAG_SECURE2 (CTLFLAG_SECURE | (1 << CTLSHIFT_SECURE))
102#define CTLFLAG_SECURE3 (CTLFLAG_SECURE | (2 << CTLSHIFT_SECURE))
103
104/*
105 * USE THIS instead of a hardwired number from the categories below
106 * to get dynamically assigned sysctl entries using the linker-set
107 * technology. This is the way nearly all new sysctl variables should
108 * be implemented.
109 * e.g. SYSCTL_INT(_parent, OID_AUTO, name, CTLFLAG_RW, &variable, 0, "");
110 */
111#define OID_AUTO (-1)
112
113/*
114 * The starting number for dynamically-assigned entries. WARNING!
115 * ALL static sysctl entries should have numbers LESS than this!
116 */
117#define CTL_AUTO_START 0x100
118
119#ifdef _KERNEL
120#define SYSCTL_HANDLER_ARGS struct sysctl_oid *oidp, void *arg1, int arg2, \
121 struct sysctl_req *req
122
123/* definitions for sysctl_req 'lock' member */
124#define REQ_UNLOCKED 0 /* not locked and not wired */
125#define REQ_LOCKED 1 /* locked and not wired */
126#define REQ_WIRED 2 /* locked and wired */
127
128/*
129 * This describes the access space for a sysctl request. This is needed
130 * so that we can use the interface from the kernel or from user-space.
131 */
132struct sysctl_req {
133 struct thread *td; /* used for access checking */
134 int lock; /* locking/wiring state */
135 void *oldptr;
136 size_t oldlen;
137 size_t oldidx;
138 int (*oldfunc)(struct sysctl_req *, const void *, size_t);
139 void *newptr;
140 size_t newlen;
141 size_t newidx;
142 int (*newfunc)(struct sysctl_req *, void *, size_t);
143 size_t validlen;
144};
145
146SLIST_HEAD(sysctl_oid_list, sysctl_oid);
147
148/*
149 * This describes one "oid" in the MIB tree. Potentially more nodes can
150 * be hidden behind it, expanded by the handler.
151 */
152struct sysctl_oid {
153 struct sysctl_oid_list *oid_parent;
154 SLIST_ENTRY(sysctl_oid) oid_link;
155 int oid_number;
156 u_int oid_kind;
157 void *oid_arg1;
158 int oid_arg2;
159 const char *oid_name;
160 int (*oid_handler)(SYSCTL_HANDLER_ARGS);
161 const char *oid_fmt;
162 int oid_refcnt;
163 const char *descr;
164};
165
166#define SYSCTL_IN(r, p, l) (r->newfunc)(r, p, l)
167#define SYSCTL_OUT(r, p, l) (r->oldfunc)(r, p, l)
168
169#ifdef __INNOTEK_LIBC__
170#define sysctl_handle_int __libc_sysctl_handle_int
171#define sysctl_handle_long __libc_sysctl_handle_long
172#define sysctl_handle_intptr __libc_sysctl_handle_intptr
173#define sysctl_handle_string __libc_sysctl_handle_string
174#define sysctl_handle_opaque __libc_sysctl_handle_opaque
175#endif
176
177int sysctl_handle_int(SYSCTL_HANDLER_ARGS);
178int sysctl_handle_long(SYSCTL_HANDLER_ARGS);
179int sysctl_handle_intptr(SYSCTL_HANDLER_ARGS);
180int sysctl_handle_string(SYSCTL_HANDLER_ARGS);
181int sysctl_handle_opaque(SYSCTL_HANDLER_ARGS);
182
183#if 0 /* bird */
184/*
185 * These functions are used to add/remove an oid from the mib.
186 */
187void sysctl_register_oid(struct sysctl_oid *oidp);
188void sysctl_unregister_oid(struct sysctl_oid *oidp);
189#endif /* bird */
190
191/* Declare a static oid to allow child oids to be added to it. */
192#define SYSCTL_DECL(name) \
193 extern struct sysctl_oid_list __libc_sysctl_##name##_children
194
195/* Hide these in macros */
196#define SYSCTL_CHILDREN(oid_ptr) (struct sysctl_oid_list *) \
197 (oid_ptr)->oid_arg1
198#define SYSCTL_CHILDREN_SET(oid_ptr, val) \
199 (oid_ptr)->oid_arg1 = (val);
200#define SYSCTL_STATIC_CHILDREN(oid_name) \
201 (&__libc_sysctl_##oid_name##_children)
202
203/* === Structs and macros related to context handling === */
204
205/* All dynamically created sysctls can be tracked in a context list. */
206struct sysctl_ctx_entry {
207 struct sysctl_oid *entry;
208 TAILQ_ENTRY(sysctl_ctx_entry) link;
209};
210
211TAILQ_HEAD(sysctl_ctx_list, sysctl_ctx_entry);
212
213#define SYSCTL_NODE_CHILDREN(parent, name) \
214 __libc_sysctl_##parent##_##name##_children
215
216#undef DATA_SET
217#define DATA_SET(set, data) __asm__ (".stabs \"___libc_" #set "__\", 25, 0, 0, _" #data)
218
219/* This constructs a "raw" MIB oid. */
220#define SYSCTL_OID(parent, nbr, name, kind, a1, a2, handler, fmt, descr) \
221 static struct sysctl_oid __libc_sysctl__##parent##_##name = { \
222 &__libc_sysctl_##parent##_children, { &__libc_sysctl__##parent##_##name }, \
223 nbr, kind, a1, a2, #name, handler, fmt, 0, descr }; \
224 DATA_SET(sysctl_set, __libc_sysctl__##parent##_##name)
225
226
227#define SYSCTL_ADD_OID(ctx, parent, nbr, name, kind, a1, a2, handler, fmt, descr) \
228 sysctl_add_oid(ctx, parent, nbr, name, kind, a1, a2, handler, fmt, descr)
229
230/* This constructs a node from which other oids can hang. */
231#define SYSCTL_NODE(parent, nbr, name, access, handler, descr) \
232 struct sysctl_oid_list SYSCTL_NODE_CHILDREN(parent, name) = {0}; \
233 SYSCTL_OID(parent, nbr, name, CTLTYPE_NODE|(access), \
234 (void*)&SYSCTL_NODE_CHILDREN(parent, name), 0, handler, \
235 "N", descr)
236
237#define SYSCTL_ADD_NODE(ctx, parent, nbr, name, access, handler, descr) \
238 sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_NODE|(access), \
239 0, 0, handler, "N", descr)
240
241/* Oid for a string. len can be 0 to indicate '\0' termination. */
242#define SYSCTL_STRING(parent, nbr, name, access, arg, len, descr) \
243 SYSCTL_OID(parent, nbr, name, CTLTYPE_STRING|(access), \
244 arg, len, sysctl_handle_string, "A", descr)
245
246#define SYSCTL_ADD_STRING(ctx, parent, nbr, name, access, arg, len, descr) \
247 sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_STRING|(access), \
248 arg, len, sysctl_handle_string, "A", descr)
249
250/* Oid for an int. If ptr is NULL, val is returned. */
251#define SYSCTL_INT(parent, nbr, name, access, ptr, val, descr) \
252 SYSCTL_OID(parent, nbr, name, CTLTYPE_INT|(access), \
253 ptr, val, sysctl_handle_int, "I", descr)
254
255#define SYSCTL_ADD_INT(ctx, parent, nbr, name, access, ptr, val, descr) \
256 sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_INT|(access), \
257 ptr, val, sysctl_handle_int, "I", descr)
258
259/* Oid for an unsigned int. If ptr is NULL, val is returned. */
260#define SYSCTL_UINT(parent, nbr, name, access, ptr, val, descr) \
261 SYSCTL_OID(parent, nbr, name, CTLTYPE_UINT|(access), \
262 ptr, val, sysctl_handle_int, "IU", descr)
263
264#define SYSCTL_ADD_UINT(ctx, parent, nbr, name, access, ptr, val, descr) \
265 sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_UINT|(access), \
266 ptr, val, sysctl_handle_int, "IU", descr)
267
268/* Oid for a long. The pointer must be non NULL. */
269#define SYSCTL_LONG(parent, nbr, name, access, ptr, val, descr) \
270 SYSCTL_OID(parent, nbr, name, CTLTYPE_LONG|(access), \
271 ptr, val, sysctl_handle_long, "L", descr)
272
273#define SYSCTL_ADD_LONG(ctx, parent, nbr, name, access, ptr, descr) \
274 sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_LONG|(access), \
275 ptr, 0, sysctl_handle_long, "L", descr)
276
277/* Oid for an unsigned long. The pointer must be non NULL. */
278#define SYSCTL_ULONG(parent, nbr, name, access, ptr, val, descr) \
279 SYSCTL_OID(parent, nbr, name, CTLTYPE_ULONG|(access), \
280 ptr, val, sysctl_handle_long, "LU", descr)
281
282#define SYSCTL_ADD_ULONG(ctx, parent, nbr, name, access, ptr, descr) \
283 sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_ULONG|(access), \
284 ptr, 0, sysctl_handle_long, "LU", descr)
285
286/* Oid for an opaque object. Specified by a pointer and a length. */
287#define SYSCTL_OPAQUE(parent, nbr, name, access, ptr, len, fmt, descr) \
288 SYSCTL_OID(parent, nbr, name, CTLTYPE_OPAQUE|(access), \
289 ptr, len, sysctl_handle_opaque, fmt, descr)
290
291#define SYSCTL_ADD_OPAQUE(ctx, parent, nbr, name, access, ptr, len, fmt, descr)\
292 sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_OPAQUE|(access), \
293 ptr, len, sysctl_handle_opaque, fmt, descr)
294
295/* Oid for a struct. Specified by a pointer and a type. */
296#define SYSCTL_STRUCT(parent, nbr, name, access, ptr, type, descr) \
297 SYSCTL_OID(parent, nbr, name, CTLTYPE_OPAQUE|(access), \
298 ptr, sizeof(struct type), sysctl_handle_opaque, \
299 "S," #type, descr)
300
301#define SYSCTL_ADD_STRUCT(ctx, parent, nbr, name, access, ptr, type, descr) \
302 sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_OPAQUE|(access), \
303 ptr, sizeof(struct type), sysctl_handle_opaque, "S," #type, descr)
304
305/* Oid for a procedure. Specified by a pointer and an arg. */
306#define SYSCTL_PROC(parent, nbr, name, access, ptr, arg, handler, fmt, descr) \
307 SYSCTL_OID(parent, nbr, name, (access), \
308 ptr, arg, handler, fmt, descr)
309
310#define SYSCTL_ADD_PROC(ctx, parent, nbr, name, access, ptr, arg, handler, fmt, descr) \
311 sysctl_add_oid(ctx, parent, nbr, name, (access), \
312 ptr, arg, handler, fmt, descr)
313
314#endif /* _KERNEL */
315
316/*
317 * Top-level identifiers
318 */
319#define CTL_UNSPEC 0 /* unused */
320#define CTL_KERN 1 /* "high kernel": proc, limits */
321#define CTL_VM 2 /* virtual memory */
322#define CTL_VFS 3 /* filesystem, mount type is next */
323#define CTL_NET 4 /* network, see socket.h */
324#define CTL_DEBUG 5 /* debugging parameters */
325#define CTL_HW 6 /* generic cpu/io */
326#define CTL_MACHDEP 7 /* machine dependent */
327#define CTL_USER 8 /* user-level */
328#define CTL_OS2 9 /* tcpip v4.1 stuff, CTL_P1003_1B was moved because of this. */
329#define CTL_P1003_1B 10 /* POSIX 1003.1B */
330#define CTL_MAXID 11 /* number of valid top-level ids */
331
332#define CTL_NAMES { \
333 { 0, 0 }, \
334 { "kern", CTLTYPE_NODE }, \
335 { "vm", CTLTYPE_NODE }, \
336 { "vfs", CTLTYPE_NODE }, \
337 { "net", CTLTYPE_NODE }, \
338 { "debug", CTLTYPE_NODE }, \
339 { "hw", CTLTYPE_NODE }, \
340 { "machdep", CTLTYPE_NODE }, \
341 { "user", CTLTYPE_NODE }, \
342 { "os2", CTLTYPE_NODE }, \
343 { "p1003_1b", CTLTYPE_NODE }, \
344}
345
346/*
347 * CTL_KERN identifiers
348 */
349#define KERN_OSTYPE 1 /* string: system version */
350#define KERN_OSRELEASE 2 /* string: system release */
351#define KERN_OSREV 3 /* int: system revision */
352#define KERN_VERSION 4 /* string: compile time info */
353#define KERN_MAXVNODES 5 /* int: max vnodes */
354#define KERN_MAXPROC 6 /* int: max processes */
355#define KERN_MAXFILES 7 /* int: max open files */
356#define KERN_ARGMAX 8 /* int: max arguments to exec */
357#define KERN_SECURELVL 9 /* int: system security level */
358#define KERN_HOSTNAME 10 /* string: hostname */
359#define KERN_HOSTID 11 /* int: host identifier */
360#define KERN_CLOCKRATE 12 /* struct: struct clockrate */
361#define KERN_VNODE 13 /* struct: vnode structures */
362#define KERN_PROC 14 /* struct: process entries */
363#define KERN_FILE 15 /* struct: file entries */
364#define KERN_PROF 16 /* node: kernel profiling info */
365#define KERN_POSIX1 17 /* int: POSIX.1 version */
366#define KERN_NGROUPS 18 /* int: # of supplemental group ids */
367#define KERN_JOB_CONTROL 19 /* int: is job control available */
368#define KERN_SAVED_IDS 20 /* int: saved set-user/group-ID */
369#define KERN_BOOTTIME 21 /* struct: time kernel was booted */
370#define KERN_NISDOMAINNAME 22 /* string: YP domain name */
371#define KERN_UPDATEINTERVAL 23 /* int: update process sleep time */
372#define KERN_OSRELDATE 24 /* int: kernel release date */
373#define KERN_NTP_PLL 25 /* node: NTP PLL control */
374#define KERN_BOOTFILE 26 /* string: name of booted kernel */
375#define KERN_MAXFILESPERPROC 27 /* int: max open files per proc */
376#define KERN_MAXPROCPERUID 28 /* int: max processes per uid */
377#define KERN_DUMPDEV 29 /* struct cdev *: device to dump on */
378#define KERN_IPC 30 /* node: anything related to IPC */
379#define KERN_DUMMY 31 /* unused */
380#define KERN_PS_STRINGS 32 /* int: address of PS_STRINGS */
381#define KERN_USRSTACK 33 /* int: address of USRSTACK */
382#define KERN_LOGSIGEXIT 34 /* int: do we log sigexit procs? */
383#define KERN_IOV_MAX 35 /* int: value of UIO_MAXIOV */
384#define KERN_MAXID 36 /* number of valid kern ids */
385
386#define CTL_KERN_NAMES { \
387 { 0, 0 }, \
388 { "ostype", CTLTYPE_STRING }, \
389 { "osrelease", CTLTYPE_STRING }, \
390 { "osrevision", CTLTYPE_INT }, \
391 { "version", CTLTYPE_STRING }, \
392 { "maxvnodes", CTLTYPE_INT }, \
393 { "maxproc", CTLTYPE_INT }, \
394 { "maxfiles", CTLTYPE_INT }, \
395 { "argmax", CTLTYPE_INT }, \
396 { "securelevel", CTLTYPE_INT }, \
397 { "hostname", CTLTYPE_STRING }, \
398 { "hostid", CTLTYPE_UINT }, \
399 { "clockrate", CTLTYPE_STRUCT }, \
400 { "vnode", CTLTYPE_STRUCT }, \
401 { "proc", CTLTYPE_STRUCT }, \
402 { "file", CTLTYPE_STRUCT }, \
403 { "profiling", CTLTYPE_NODE }, \
404 { "posix1version", CTLTYPE_INT }, \
405 { "ngroups", CTLTYPE_INT }, \
406 { "job_control", CTLTYPE_INT }, \
407 { "saved_ids", CTLTYPE_INT }, \
408 { "boottime", CTLTYPE_STRUCT }, \
409 { "nisdomainname", CTLTYPE_STRING }, \
410 { "update", CTLTYPE_INT }, \
411 { "osreldate", CTLTYPE_INT }, \
412 { "ntp_pll", CTLTYPE_NODE }, \
413 { "bootfile", CTLTYPE_STRING }, \
414 { "maxfilesperproc", CTLTYPE_INT }, \
415 { "maxprocperuid", CTLTYPE_INT }, \
416 { "ipc", CTLTYPE_NODE }, \
417 { "dummy", CTLTYPE_INT }, \
418 { "ps_strings", CTLTYPE_INT }, \
419 { "usrstack", CTLTYPE_INT }, \
420 { "logsigexit", CTLTYPE_INT }, \
421 { "iov_max", CTLTYPE_INT }, \
422}
423
424/*
425 * CTL_VFS identifiers
426 */
427#define CTL_VFS_NAMES { \
428 { "vfsconf", CTLTYPE_STRUCT }, \
429}
430
431/*
432 * KERN_PROC subtypes
433 */
434#define KERN_PROC_ALL 0 /* everything */
435#define KERN_PROC_PID 1 /* by process id */
436#define KERN_PROC_PGRP 2 /* by process group id */
437#define KERN_PROC_SESSION 3 /* by session of pid */
438#define KERN_PROC_TTY 4 /* by controlling tty */
439#define KERN_PROC_UID 5 /* by effective uid */
440#define KERN_PROC_RUID 6 /* by real uid */
441#define KERN_PROC_ARGS 7 /* get/set arguments/proctitle */
442#define KERN_PROC_PROC 8 /* only return procs */
443#define KERN_PROC_SV_NAME 9 /* get syscall vector name */
444#define KERN_PROC_RGID 10 /* by real group id */
445#define KERN_PROC_GID 11 /* by effective group id */
446#define KERN_PROC_INC_THREAD 0x10 /*
447 * modifier for pid, pgrp, tty,
448 * uid, ruid, gid, rgid and proc
449 */
450
451/*
452 * KERN_IPC identifiers
453 */
454#define KIPC_MAXSOCKBUF 1 /* int: max size of a socket buffer */
455#define KIPC_SOCKBUF_WASTE 2 /* int: wastage factor in sockbuf */
456#define KIPC_SOMAXCONN 3 /* int: max length of connection q */
457#define KIPC_MAX_LINKHDR 4 /* int: max length of link header */
458#define KIPC_MAX_PROTOHDR 5 /* int: max length of network header */
459#define KIPC_MAX_HDR 6 /* int: max total length of headers */
460#define KIPC_MAX_DATALEN 7 /* int: max length of data? */
461
462/*
463 * CTL_HW identifiers
464 */
465#define HW_MACHINE 1 /* string: machine class */
466#define HW_MODEL 2 /* string: specific machine model */
467#define HW_NCPU 3 /* int: number of cpus */
468#define HW_BYTEORDER 4 /* int: machine byte order */
469#define HW_PHYSMEM 5 /* int: total memory */
470#define HW_USERMEM 6 /* int: non-kernel memory */
471#define HW_PAGESIZE 7 /* int: software page size */
472#define HW_DISKNAMES 8 /* strings: disk drive names */
473#define HW_DISKSTATS 9 /* struct: diskstats[] */
474#define HW_FLOATINGPT 10 /* int: has HW floating point? */
475#define HW_MACHINE_ARCH 11 /* string: machine architecture */
476#define HW_MAXID 12 /* number of valid hw ids */
477
478#define CTL_HW_NAMES { \
479 { 0, 0 }, \
480 { "machine", CTLTYPE_STRING }, \
481 { "model", CTLTYPE_STRING }, \
482 { "ncpu", CTLTYPE_INT }, \
483 { "byteorder", CTLTYPE_INT }, \
484 { "physmem", CTLTYPE_ULONG }, \
485 { "usermem", CTLTYPE_ULONG }, \
486 { "pagesize", CTLTYPE_INT }, \
487 { "disknames", CTLTYPE_STRUCT }, \
488 { "diskstats", CTLTYPE_STRUCT }, \
489 { "floatingpoint", CTLTYPE_INT }, \
490}
491
492/*
493 * CTL_USER definitions
494 */
495#define USER_CS_PATH 1 /* string: _CS_PATH */
496#define USER_BC_BASE_MAX 2 /* int: BC_BASE_MAX */
497#define USER_BC_DIM_MAX 3 /* int: BC_DIM_MAX */
498#define USER_BC_SCALE_MAX 4 /* int: BC_SCALE_MAX */
499#define USER_BC_STRING_MAX 5 /* int: BC_STRING_MAX */
500#define USER_COLL_WEIGHTS_MAX 6 /* int: COLL_WEIGHTS_MAX */
501#define USER_EXPR_NEST_MAX 7 /* int: EXPR_NEST_MAX */
502#define USER_LINE_MAX 8 /* int: LINE_MAX */
503#define USER_RE_DUP_MAX 9 /* int: RE_DUP_MAX */
504#define USER_POSIX2_VERSION 10 /* int: POSIX2_VERSION */
505#define USER_POSIX2_C_BIND 11 /* int: POSIX2_C_BIND */
506#define USER_POSIX2_C_DEV 12 /* int: POSIX2_C_DEV */
507#define USER_POSIX2_CHAR_TERM 13 /* int: POSIX2_CHAR_TERM */
508#define USER_POSIX2_FORT_DEV 14 /* int: POSIX2_FORT_DEV */
509#define USER_POSIX2_FORT_RUN 15 /* int: POSIX2_FORT_RUN */
510#define USER_POSIX2_LOCALEDEF 16 /* int: POSIX2_LOCALEDEF */
511#define USER_POSIX2_SW_DEV 17 /* int: POSIX2_SW_DEV */
512#define USER_POSIX2_UPE 18 /* int: POSIX2_UPE */
513#define USER_STREAM_MAX 19 /* int: POSIX2_STREAM_MAX */
514#define USER_TZNAME_MAX 20 /* int: POSIX2_TZNAME_MAX */
515#define USER_MAXID 21 /* number of valid user ids */
516
517#define CTL_USER_NAMES { \
518 { 0, 0 }, \
519 { "cs_path", CTLTYPE_STRING }, \
520 { "bc_base_max", CTLTYPE_INT }, \
521 { "bc_dim_max", CTLTYPE_INT }, \
522 { "bc_scale_max", CTLTYPE_INT }, \
523 { "bc_string_max", CTLTYPE_INT }, \
524 { "coll_weights_max", CTLTYPE_INT }, \
525 { "expr_nest_max", CTLTYPE_INT }, \
526 { "line_max", CTLTYPE_INT }, \
527 { "re_dup_max", CTLTYPE_INT }, \
528 { "posix2_version", CTLTYPE_INT }, \
529 { "posix2_c_bind", CTLTYPE_INT }, \
530 { "posix2_c_dev", CTLTYPE_INT }, \
531 { "posix2_char_term", CTLTYPE_INT }, \
532 { "posix2_fort_dev", CTLTYPE_INT }, \
533 { "posix2_fort_run", CTLTYPE_INT }, \
534 { "posix2_localedef", CTLTYPE_INT }, \
535 { "posix2_sw_dev", CTLTYPE_INT }, \
536 { "posix2_upe", CTLTYPE_INT }, \
537 { "stream_max", CTLTYPE_INT }, \
538 { "tzname_max", CTLTYPE_INT }, \
539}
540
541#define CTL_P1003_1B_ASYNCHRONOUS_IO 1 /* boolean */
542#define CTL_P1003_1B_MAPPED_FILES 2 /* boolean */
543#define CTL_P1003_1B_MEMLOCK 3 /* boolean */
544#define CTL_P1003_1B_MEMLOCK_RANGE 4 /* boolean */
545#define CTL_P1003_1B_MEMORY_PROTECTION 5 /* boolean */
546#define CTL_P1003_1B_MESSAGE_PASSING 6 /* boolean */
547#define CTL_P1003_1B_PRIORITIZED_IO 7 /* boolean */
548#define CTL_P1003_1B_PRIORITY_SCHEDULING 8 /* boolean */
549#define CTL_P1003_1B_REALTIME_SIGNALS 9 /* boolean */
550#define CTL_P1003_1B_SEMAPHORES 10 /* boolean */
551#define CTL_P1003_1B_FSYNC 11 /* boolean */
552#define CTL_P1003_1B_SHARED_MEMORY_OBJECTS 12 /* boolean */
553#define CTL_P1003_1B_SYNCHRONIZED_IO 13 /* boolean */
554#define CTL_P1003_1B_TIMERS 14 /* boolean */
555#define CTL_P1003_1B_AIO_LISTIO_MAX 15 /* int */
556#define CTL_P1003_1B_AIO_MAX 16 /* int */
557#define CTL_P1003_1B_AIO_PRIO_DELTA_MAX 17 /* int */
558#define CTL_P1003_1B_DELAYTIMER_MAX 18 /* int */
559#define CTL_P1003_1B_MQ_OPEN_MAX 19 /* int */
560#define CTL_P1003_1B_PAGESIZE 20 /* int */
561#define CTL_P1003_1B_RTSIG_MAX 21 /* int */
562#define CTL_P1003_1B_SEM_NSEMS_MAX 22 /* int */
563#define CTL_P1003_1B_SEM_VALUE_MAX 23 /* int */
564#define CTL_P1003_1B_SIGQUEUE_MAX 24 /* int */
565#define CTL_P1003_1B_TIMER_MAX 25 /* int */
566
567#define CTL_P1003_1B_MAXID 26
568
569#define CTL_P1003_1B_NAMES { \
570 { 0, 0 }, \
571 { "asynchronous_io", CTLTYPE_INT }, \
572 { "mapped_files", CTLTYPE_INT }, \
573 { "memlock", CTLTYPE_INT }, \
574 { "memlock_range", CTLTYPE_INT }, \
575 { "memory_protection", CTLTYPE_INT }, \
576 { "message_passing", CTLTYPE_INT }, \
577 { "prioritized_io", CTLTYPE_INT }, \
578 { "priority_scheduling", CTLTYPE_INT }, \
579 { "realtime_signals", CTLTYPE_INT }, \
580 { "semaphores", CTLTYPE_INT }, \
581 { "fsync", CTLTYPE_INT }, \
582 { "shared_memory_objects", CTLTYPE_INT }, \
583 { "synchronized_io", CTLTYPE_INT }, \
584 { "timers", CTLTYPE_INT }, \
585 { "aio_listio_max", CTLTYPE_INT }, \
586 { "aio_max", CTLTYPE_INT }, \
587 { "aio_prio_delta_max", CTLTYPE_INT }, \
588 { "delaytimer_max", CTLTYPE_INT }, \
589 { "mq_open_max", CTLTYPE_INT }, \
590 { "pagesize", CTLTYPE_INT }, \
591 { "rtsig_max", CTLTYPE_INT }, \
592 { "nsems_max", CTLTYPE_INT }, \
593 { "sem_value_max", CTLTYPE_INT }, \
594 { "sigqueue_max", CTLTYPE_INT }, \
595 { "timer_max", CTLTYPE_INT }, \
596}
597
598#ifdef _KERNEL
599
600/*
601 * Declare some common oids.
602 */
603#define sysctl__children __libc_sysctl__children
604extern struct sysctl_oid_list sysctl__children;
605SYSCTL_DECL(_kern);
606SYSCTL_DECL(_sysctl);
607SYSCTL_DECL(_vm);
608SYSCTL_DECL(_vfs);
609SYSCTL_DECL(_net);
610SYSCTL_DECL(_debug);
611SYSCTL_DECL(_debug_sizeof);
612SYSCTL_DECL(_hw);
613SYSCTL_DECL(_machdep);
614SYSCTL_DECL(_user);
615SYSCTL_DECL(_compat);
616
617#if 0 /* bird - not used */
618extern char machine[];
619extern char osrelease[];
620extern char ostype[];
621extern char kern_ident[];
622
623/* Dynamic oid handling */
624struct sysctl_oid *sysctl_add_oid(struct sysctl_ctx_list *clist,
625 struct sysctl_oid_list *parent, int nbr, const char *name,
626 int kind, void *arg1, int arg2,
627 int (*handler) (SYSCTL_HANDLER_ARGS),
628 const char *fmt, const char *descr);
629int sysctl_move_oid(struct sysctl_oid *oidp,
630 struct sysctl_oid_list *parent);
631int sysctl_remove_oid(struct sysctl_oid *oidp, int del, int recurse);
632int sysctl_ctx_init(struct sysctl_ctx_list *clist);
633int sysctl_ctx_free(struct sysctl_ctx_list *clist);
634struct sysctl_ctx_entry *sysctl_ctx_entry_add(struct sysctl_ctx_list *clist,
635 struct sysctl_oid *oidp);
636struct sysctl_ctx_entry *sysctl_ctx_entry_find(struct sysctl_ctx_list *clist,
637 struct sysctl_oid *oidp);
638int sysctl_ctx_entry_del(struct sysctl_ctx_list *clist,
639 struct sysctl_oid *oidp);
640
641int kernel_sysctl(struct thread *td, int *name, u_int namelen, void *old,
642 size_t *oldlenp, void *new, size_t newlen,
643 size_t *retval);
644int kernel_sysctlbyname(struct thread *td, char *name,
645 void *old, size_t *oldlenp, void *new, size_t newlen,
646 size_t *retval);
647int userland_sysctl(struct thread *td, int *name, u_int namelen, void *old,
648 size_t *oldlenp, int inkernel, void *new, size_t newlen,
649 size_t *retval);
650int sysctl_find_oid(int *name, u_int namelen, struct sysctl_oid **noid,
651 int *nindx, struct sysctl_req *req);
652int sysctl_wire_old_buffer(struct sysctl_req *req, size_t len);
653#endif /* bird - not used */
654
655#else /* !_KERNEL */
656#include <sys/cdefs.h>
657
658__BEGIN_DECLS
659int sysctl(int *, u_int, void *, size_t *, void *, size_t);
660int sysctlbyname(const char *, void *, size_t *, void *, size_t);
661int sysctlnametomib(const char *, int *, size_t *);
662__END_DECLS
663#endif /* _KERNEL */
664
665#endif /* !_SYS_SYSCTL_H_ */
Note: See TracBrowser for help on using the repository browser.