Add SYSCTL_NODE_CHILDREN.
[dragonfly.git] / sys / sys / sysctl.h
CommitLineData
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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 * 3. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed by the University of
19 * California, Berkeley and its contributors.
20 * 4. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 *
36 * @(#)sysctl.h 8.1 (Berkeley) 6/2/93
37 * $FreeBSD: src/sys/sys/sysctl.h,v 1.81.2.10 2003/05/01 22:48:09 trhodes Exp $
dc4fccd7 38 * $DragonFly: src/sys/sys/sysctl.h,v 1.15 2005/08/06 17:57:59 joerg Exp $
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39 */
40
41#ifndef _SYS_SYSCTL_H_
42#define _SYS_SYSCTL_H_
43
44#include <sys/_posix.h>
45#include <sys/queue.h>
46
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 12 /* 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(1) 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 */
23833bb7 80#define CTLTYPE_UQUAD 9 /* name describes an unsigned 64-bit number */
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81
82#define CTLFLAG_RD 0x80000000 /* Allow reads of variable */
83#define CTLFLAG_WR 0x40000000 /* Allow writes to the variable */
84#define CTLFLAG_RW (CTLFLAG_RD|CTLFLAG_WR)
85#define CTLFLAG_NOLOCK 0x20000000 /* XXX Don't Lock */
86#define CTLFLAG_ANYBODY 0x10000000 /* All users can set this var */
87#define CTLFLAG_SECURE 0x08000000 /* Permit set only if securelevel<=0 */
88#define CTLFLAG_PRISON 0x04000000 /* Prisoned roots can fiddle */
89#define CTLFLAG_DYN 0x02000000 /* Dynamic oid - can be freed */
90
91/*
92 * USE THIS instead of a hardwired number from the categories below
93 * to get dynamically assigned sysctl entries using the linker-set
94 * technology. This is the way nearly all new sysctl variables should
95 * be implemented.
96 * e.g. SYSCTL_INT(_parent, OID_AUTO, name, CTLFLAG_RW, &variable, 0, "");
97 */
98#define OID_AUTO (-1)
99
100#ifdef _KERNEL
101#define SYSCTL_HANDLER_ARGS struct sysctl_oid *oidp, void *arg1, int arg2, \
102 struct sysctl_req *req
103
104/*
105 * This describes the access space for a sysctl request. This is needed
106 * so that we can use the interface from the kernel or from user-space.
107 */
108struct sysctl_req {
dadab5e9 109 struct thread *td;
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110 int lock;
111 void *oldptr;
112 size_t oldlen;
113 size_t oldidx;
114 int (*oldfunc)(struct sysctl_req *, const void *, size_t);
115 void *newptr;
116 size_t newlen;
117 size_t newidx;
118 int (*newfunc)(struct sysctl_req *, void *, size_t);
119};
120
121SLIST_HEAD(sysctl_oid_list, sysctl_oid);
122
123/*
124 * This describes one "oid" in the MIB tree. Potentially more nodes can
125 * be hidden behind it, expanded by the handler.
126 */
127struct sysctl_oid {
128 struct sysctl_oid_list *oid_parent;
129 SLIST_ENTRY(sysctl_oid) oid_link;
130 int oid_number;
131 int oid_kind;
132 void *oid_arg1;
133 int oid_arg2;
134 const char *oid_name;
135 int (*oid_handler)(SYSCTL_HANDLER_ARGS);
136 const char *oid_fmt;
137 int oid_refcnt;
138 const char *oid_descr;
139};
140
141#define SYSCTL_IN(r, p, l) (r->newfunc)(r, p, l)
142#define SYSCTL_OUT(r, p, l) (r->oldfunc)(r, p, l)
143
144int sysctl_handle_int(SYSCTL_HANDLER_ARGS);
145int sysctl_handle_long(SYSCTL_HANDLER_ARGS);
5f2e2a8b 146int sysctl_handle_quad(SYSCTL_HANDLER_ARGS);
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147int sysctl_handle_intptr(SYSCTL_HANDLER_ARGS);
148int sysctl_handle_string(SYSCTL_HANDLER_ARGS);
149int sysctl_handle_opaque(SYSCTL_HANDLER_ARGS);
150
151/*
152 * These functions are used to add/remove an oid from the mib.
153 */
154void sysctl_register_oid(struct sysctl_oid *oidp);
155void sysctl_unregister_oid(struct sysctl_oid *oidp);
156
157/* Declare a static oid to allow child oids to be added to it. */
158#define SYSCTL_DECL(name) \
159 extern struct sysctl_oid_list sysctl_##name##_children
160
161/* Hide these in macros */
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162#define SYSCTL_SET_CHILDREN(oid_ptr, children) do { \
163 (oid_ptr)->oid_arg1 = (children); \
164} while(0)
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165#define SYSCTL_CHILDREN(oid_ptr) (struct sysctl_oid_list *) \
166 (oid_ptr)->oid_arg1
167#define SYSCTL_STATIC_CHILDREN(oid_name) \
168 (&sysctl_##oid_name##_children)
169
170/* === Structs and macros related to context handling === */
171
172/* All dynamically created sysctls can be tracked in a context list. */
173struct sysctl_ctx_entry {
174 struct sysctl_oid *entry;
175 TAILQ_ENTRY(sysctl_ctx_entry) link;
176};
177
178TAILQ_HEAD(sysctl_ctx_list, sysctl_ctx_entry);
179
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180#define SYSCTL_NODE_CHILDREN(parent, name) \
181 sysctl_##parent##_##name##_children
182
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183/* This constructs a "raw" MIB oid. */
184#define SYSCTL_OID(parent, nbr, name, kind, a1, a2, handler, fmt, descr) \
185 static struct sysctl_oid sysctl__##parent##_##name = { \
186 &sysctl_##parent##_children, { 0 }, \
187 nbr, kind, a1, a2, #name, handler, fmt, 0, descr }; \
188 DATA_SET(sysctl_set, sysctl__##parent##_##name);
189
190#define SYSCTL_ADD_OID(ctx, parent, nbr, name, kind, a1, a2, handler, fmt, descr) \
191 sysctl_add_oid(ctx, parent, nbr, name, kind, a1, a2, handler, fmt, descr);
192
193/* This constructs a node from which other oids can hang. */
194#define SYSCTL_NODE(parent, nbr, name, access, handler, descr) \
195 struct sysctl_oid_list sysctl_##parent##_##name##_children; \
196 SYSCTL_OID(parent, nbr, name, CTLTYPE_NODE|access, \
197 (void*)&sysctl_##parent##_##name##_children, 0, handler, \
198 "N", descr);
199
200#define SYSCTL_ADD_NODE(ctx, parent, nbr, name, access, handler, descr) \
201 sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_NODE|access, \
202 0, 0, handler, "N", descr);
203
204/* Oid for a string. len can be 0 to indicate '\0' termination. */
205#define SYSCTL_STRING(parent, nbr, name, access, arg, len, descr) \
206 SYSCTL_OID(parent, nbr, name, CTLTYPE_STRING|access, \
207 arg, len, sysctl_handle_string, "A", descr)
208
209#define SYSCTL_ADD_STRING(ctx, parent, nbr, name, access, arg, len, descr) \
210 sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_STRING|access, \
211 arg, len, sysctl_handle_string, "A", descr);
212
213/* Oid for an int. If ptr is NULL, val is returned. */
214#define SYSCTL_INT(parent, nbr, name, access, ptr, val, descr) \
215 SYSCTL_OID(parent, nbr, name, CTLTYPE_INT|access, \
216 ptr, val, sysctl_handle_int, "I", descr)
217
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218#define SYSCTL_ADD_INT(ctx, parent, nbr, name, access, ptr, val, descr) \
219 sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_INT|access, \
220 ptr, val, sysctl_handle_int, "I", descr);
221
222/* Oid for a quad. If ptr is NULL, val is returned. */
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223#define SYSCTL_QUAD(parent, nbr, name, access, ptr, val, descr) \
224 SYSCTL_OID(parent, nbr, name, CTLTYPE_QUAD|access, \
225 ptr, val, sysctl_handle_quad, "Q", descr)
226
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227#define SYSCTL_ADD_QUAD(ctx, parent, nbr, name, access, ptr, val, descr) \
228 sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_QUAD|access, \
229 ptr, val, sysctl_handle_quad, "Q", descr);
230
231/* Oid for an unsigned quad. If ptr is NULL, val is returned. */
232#define SYSCTL_UQUAD(parent, nbr, name, access, ptr, val, descr) \
233 SYSCTL_OID(parent, nbr, name, CTLTYPE_UQUAD|access, \
234 ptr, val, sysctl_handle_quad, "QU", descr)
235
236#define SYSCTL_ADD_UQUAD(ctx, parent, nbr, name, access, ptr, val, descr) \
237 sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_UQUAD|access, \
238 ptr, val, sysctl_handle_quad, "QU", descr);
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239
240/* Oid for an unsigned int. If ptr is NULL, val is returned. */
241#define SYSCTL_UINT(parent, nbr, name, access, ptr, val, descr) \
242 SYSCTL_OID(parent, nbr, name, CTLTYPE_UINT|access, \
243 ptr, val, sysctl_handle_int, "IU", descr)
244
245#define SYSCTL_ADD_UINT(ctx, parent, nbr, name, access, ptr, val, descr) \
246 sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_UINT|access, \
247 ptr, val, sysctl_handle_int, "IU", descr);
248
249/* Oid for a long. The pointer must be non NULL. */
250#define SYSCTL_LONG(parent, nbr, name, access, ptr, val, descr) \
251 SYSCTL_OID(parent, nbr, name, CTLTYPE_LONG|access, \
252 ptr, val, sysctl_handle_long, "L", descr)
253
254#define SYSCTL_ADD_LONG(ctx, parent, nbr, name, access, ptr, descr) \
255 sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_LONG|access, \
256 ptr, 0, sysctl_handle_long, "L", descr);
257
258/* Oid for a long. The pointer must be non NULL. */
259#define SYSCTL_ULONG(parent, nbr, name, access, ptr, val, descr) \
260 SYSCTL_OID(parent, nbr, name, CTLTYPE_ULONG|access, \
261 ptr, val, sysctl_handle_long, "LU", descr)
262
263#define SYSCTL_ADD_ULONG(ctx, parent, nbr, name, access, ptr, descr) \
264 sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_ULONG|access, \
265 ptr, 0, sysctl_handle_long, "LU", descr);
266
267/* Oid for an opaque object. Specified by a pointer and a length. */
268#define SYSCTL_OPAQUE(parent, nbr, name, access, ptr, len, fmt, descr) \
269 SYSCTL_OID(parent, nbr, name, CTLTYPE_OPAQUE|access, \
270 ptr, len, sysctl_handle_opaque, fmt, descr)
271
272#define SYSCTL_ADD_OPAQUE(ctx, parent, nbr, name, access, ptr, len, fmt, descr)\
273 sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_OPAQUE|access, \
274 ptr, len, sysctl_handle_opaque, fmt, descr);
275
276/* Oid for a struct. Specified by a pointer and a type. */
277#define SYSCTL_STRUCT(parent, nbr, name, access, ptr, type, descr) \
278 SYSCTL_OID(parent, nbr, name, CTLTYPE_OPAQUE|access, \
279 ptr, sizeof(struct type), sysctl_handle_opaque, \
280 "S," #type, descr)
281
282#define SYSCTL_ADD_STRUCT(ctx, parent, nbr, name, access, ptr, type, descr) \
283 sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_OPAQUE|access, \
284 ptr, sizeof(struct type), sysctl_handle_opaque, "S," #type, descr);
285
286/* Oid for a procedure. Specified by a pointer and an arg. */
287#define SYSCTL_PROC(parent, nbr, name, access, ptr, arg, handler, fmt, descr) \
288 SYSCTL_OID(parent, nbr, name, access, \
289 ptr, arg, handler, fmt, descr)
290
291#define SYSCTL_ADD_PROC(ctx, parent, nbr, name, access, ptr, arg, handler, fmt, descr) \
292 sysctl_add_oid(ctx, parent, nbr, name, access, \
293 ptr, arg, handler, fmt, descr);
294
295#endif /* _KERNEL */
296
297/*
298 * Top-level identifiers
299 */
300#define CTL_UNSPEC 0 /* unused */
301#define CTL_KERN 1 /* "high kernel": proc, limits */
302#define CTL_VM 2 /* virtual memory */
303#define CTL_VFS 3 /* file system, mount type is next */
304#define CTL_NET 4 /* network, see socket.h */
305#define CTL_DEBUG 5 /* debugging parameters */
306#define CTL_HW 6 /* generic cpu/io */
307#define CTL_MACHDEP 7 /* machine dependent */
308#define CTL_USER 8 /* user-level */
309#define CTL_P1003_1B 9 /* POSIX 1003.1B */
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310#define CTL_LWKT 10 /* light weight kernel threads */
311#define CTL_MAXID 11 /* number of valid top-level ids */
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312
313#define CTL_NAMES { \
314 { 0, 0 }, \
315 { "kern", CTLTYPE_NODE }, \
316 { "vm", CTLTYPE_NODE }, \
317 { "vfs", CTLTYPE_NODE }, \
318 { "net", CTLTYPE_NODE }, \
319 { "debug", CTLTYPE_NODE }, \
320 { "hw", CTLTYPE_NODE }, \
321 { "machdep", CTLTYPE_NODE }, \
322 { "user", CTLTYPE_NODE }, \
323 { "p1003_1b", CTLTYPE_NODE }, \
5f2e2a8b 324 { "lwkt", CTLTYPE_NODE }, \
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325}
326
327/*
328 * CTL_KERN identifiers
329 */
330#define KERN_OSTYPE 1 /* string: system version */
331#define KERN_OSRELEASE 2 /* string: system release */
332#define KERN_OSREV 3 /* int: system revision */
333#define KERN_VERSION 4 /* string: compile time info */
334#define KERN_MAXVNODES 5 /* int: max vnodes */
335#define KERN_MAXPROC 6 /* int: max processes */
336#define KERN_MAXFILES 7 /* int: max open files */
337#define KERN_ARGMAX 8 /* int: max arguments to exec */
338#define KERN_SECURELVL 9 /* int: system security level */
339#define KERN_HOSTNAME 10 /* string: hostname */
340#define KERN_HOSTID 11 /* int: host identifier */
341#define KERN_CLOCKRATE 12 /* struct: struct clockrate */
342#define KERN_VNODE 13 /* struct: vnode structures */
343#define KERN_PROC 14 /* struct: process entries */
344#define KERN_FILE 15 /* struct: file entries */
345#define KERN_PROF 16 /* node: kernel profiling info */
346#define KERN_POSIX1 17 /* int: POSIX.1 version */
347#define KERN_NGROUPS 18 /* int: # of supplemental group ids */
348#define KERN_JOB_CONTROL 19 /* int: is job control available */
349#define KERN_SAVED_IDS 20 /* int: saved set-user/group-ID */
350#define KERN_BOOTTIME 21 /* struct: time kernel was booted */
351#define KERN_NISDOMAINNAME 22 /* string: YP domain name */
352#define KERN_UPDATEINTERVAL 23 /* int: update process sleep time */
353#define KERN_OSRELDATE 24 /* int: OS release date */
354#define KERN_NTP_PLL 25 /* node: NTP PLL control */
355#define KERN_BOOTFILE 26 /* string: name of booted kernel */
356#define KERN_MAXFILESPERPROC 27 /* int: max open files per proc */
357#define KERN_MAXPROCPERUID 28 /* int: max processes per uid */
358#define KERN_DUMPDEV 29 /* dev_t: device to dump on */
359#define KERN_IPC 30 /* node: anything related to IPC */
360#define KERN_DUMMY 31 /* unused */
361#define KERN_PS_STRINGS 32 /* int: address of PS_STRINGS */
362#define KERN_USRSTACK 33 /* int: address of USRSTACK */
363#define KERN_LOGSIGEXIT 34 /* int: do we log sigexit procs? */
cbd0496d 364#define KERN_IOV_MAX 35 /* int: value of UIO_MAXIOV */
508ceb09 365#define KERN_MAXPOSIXLOCKSPERUID 36 /* int: max POSIX locks per uid */
cbd0496d 366#define KERN_MAXID 37 /* number of valid kern ids */
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367
368#define CTL_KERN_NAMES { \
369 { 0, 0 }, \
370 { "ostype", CTLTYPE_STRING }, \
371 { "osrelease", CTLTYPE_STRING }, \
372 { "osrevision", CTLTYPE_INT }, \
373 { "version", CTLTYPE_STRING }, \
374 { "maxvnodes", CTLTYPE_INT }, \
375 { "maxproc", CTLTYPE_INT }, \
376 { "maxfiles", CTLTYPE_INT }, \
377 { "argmax", CTLTYPE_INT }, \
378 { "securelevel", CTLTYPE_INT }, \
379 { "hostname", CTLTYPE_STRING }, \
380 { "hostid", CTLTYPE_UINT }, \
381 { "clockrate", CTLTYPE_STRUCT }, \
382 { "vnode", CTLTYPE_STRUCT }, \
383 { "proc", CTLTYPE_STRUCT }, \
384 { "file", CTLTYPE_STRUCT }, \
385 { "profiling", CTLTYPE_NODE }, \
386 { "posix1version", CTLTYPE_INT }, \
387 { "ngroups", CTLTYPE_INT }, \
388 { "job_control", CTLTYPE_INT }, \
389 { "saved_ids", CTLTYPE_INT }, \
390 { "boottime", CTLTYPE_STRUCT }, \
391 { "nisdomainname", CTLTYPE_STRING }, \
392 { "update", CTLTYPE_INT }, \
393 { "osreldate", CTLTYPE_INT }, \
394 { "ntp_pll", CTLTYPE_NODE }, \
395 { "bootfile", CTLTYPE_STRING }, \
396 { "maxfilesperproc", CTLTYPE_INT }, \
397 { "maxprocperuid", CTLTYPE_INT }, \
508ceb09 398 { "maxposixlocksperuid", CTLTYPE_INT }, \
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399 { "dumpdev", CTLTYPE_STRUCT }, /* we lie; don't print as int */ \
400 { "ipc", CTLTYPE_NODE }, \
401 { "dummy", CTLTYPE_INT }, \
402 { "ps_strings", CTLTYPE_INT }, \
403 { "usrstack", CTLTYPE_INT }, \
404 { "logsigexit", CTLTYPE_INT }, \
cbd0496d 405 { "iov_max", CTLTYPE_INT }, \
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406}
407
408/*
409 * CTL_VFS identifiers
410 */
411#define CTL_VFS_NAMES { \
412 { "vfsconf", CTLTYPE_STRUCT }, \
413}
414
415/*
416 * KERN_PROC subtypes
417 */
418#define KERN_PROC_ALL 0 /* everything */
419#define KERN_PROC_PID 1 /* by process id */
420#define KERN_PROC_PGRP 2 /* by process group id */
421#define KERN_PROC_SESSION 3 /* by session of pid */
422#define KERN_PROC_TTY 4 /* by controlling tty */
423#define KERN_PROC_UID 5 /* by effective uid */
424#define KERN_PROC_RUID 6 /* by real uid */
425#define KERN_PROC_ARGS 7 /* get/set arguments/proctitle */
426
427/*
428 * KERN_IPC identifiers
429 */
430#define KIPC_MAXSOCKBUF 1 /* int: max size of a socket buffer */
431#define KIPC_SOCKBUF_WASTE 2 /* int: wastage factor in sockbuf */
432#define KIPC_SOMAXCONN 3 /* int: max length of connection q */
433#define KIPC_MAX_LINKHDR 4 /* int: max length of link header */
434#define KIPC_MAX_PROTOHDR 5 /* int: max length of network header */
435#define KIPC_MAX_HDR 6 /* int: max total length of headers */
436#define KIPC_MAX_DATALEN 7 /* int: max length of data? */
437#define KIPC_MBSTAT 8 /* struct: mbuf usage statistics */
438#define KIPC_NMBCLUSTERS 9 /* int: maximum mbuf clusters */
439
440/*
441 * CTL_HW identifiers
442 */
443#define HW_MACHINE 1 /* string: machine class */
444#define HW_MODEL 2 /* string: specific machine model */
445#define HW_NCPU 3 /* int: number of cpus */
446#define HW_BYTEORDER 4 /* int: machine byte order */
447#define HW_PHYSMEM 5 /* int: total memory */
448#define HW_USERMEM 6 /* int: non-kernel memory */
449#define HW_PAGESIZE 7 /* int: software page size */
450#define HW_DISKNAMES 8 /* strings: disk drive names */
451#define HW_DISKSTATS 9 /* struct: diskstats[] */
452#define HW_FLOATINGPT 10 /* int: has HW floating point? */
453#define HW_MACHINE_ARCH 11 /* string: machine architecture */
454#define HW_MAXID 12 /* number of valid hw ids */
455
456#define CTL_HW_NAMES { \
457 { 0, 0 }, \
458 { "machine", CTLTYPE_STRING }, \
459 { "model", CTLTYPE_STRING }, \
460 { "ncpu", CTLTYPE_INT }, \
461 { "byteorder", CTLTYPE_INT }, \
462 { "physmem", CTLTYPE_UINT }, \
463 { "usermem", CTLTYPE_UINT }, \
464 { "pagesize", CTLTYPE_INT }, \
465 { "disknames", CTLTYPE_STRUCT }, \
466 { "diskstats", CTLTYPE_STRUCT }, \
467 { "floatingpoint", CTLTYPE_INT }, \
468}
469
470/*
471 * CTL_USER definitions
472 */
473#define USER_CS_PATH 1 /* string: _CS_PATH */
474#define USER_BC_BASE_MAX 2 /* int: BC_BASE_MAX */
475#define USER_BC_DIM_MAX 3 /* int: BC_DIM_MAX */
476#define USER_BC_SCALE_MAX 4 /* int: BC_SCALE_MAX */
477#define USER_BC_STRING_MAX 5 /* int: BC_STRING_MAX */
478#define USER_COLL_WEIGHTS_MAX 6 /* int: COLL_WEIGHTS_MAX */
479#define USER_EXPR_NEST_MAX 7 /* int: EXPR_NEST_MAX */
480#define USER_LINE_MAX 8 /* int: LINE_MAX */
481#define USER_RE_DUP_MAX 9 /* int: RE_DUP_MAX */
482#define USER_POSIX2_VERSION 10 /* int: POSIX2_VERSION */
483#define USER_POSIX2_C_BIND 11 /* int: POSIX2_C_BIND */
484#define USER_POSIX2_C_DEV 12 /* int: POSIX2_C_DEV */
485#define USER_POSIX2_CHAR_TERM 13 /* int: POSIX2_CHAR_TERM */
486#define USER_POSIX2_FORT_DEV 14 /* int: POSIX2_FORT_DEV */
487#define USER_POSIX2_FORT_RUN 15 /* int: POSIX2_FORT_RUN */
488#define USER_POSIX2_LOCALEDEF 16 /* int: POSIX2_LOCALEDEF */
489#define USER_POSIX2_SW_DEV 17 /* int: POSIX2_SW_DEV */
490#define USER_POSIX2_UPE 18 /* int: POSIX2_UPE */
491#define USER_STREAM_MAX 19 /* int: POSIX2_STREAM_MAX */
492#define USER_TZNAME_MAX 20 /* int: POSIX2_TZNAME_MAX */
493#define USER_MAXID 21 /* number of valid user ids */
494
495#define CTL_USER_NAMES { \
496 { 0, 0 }, \
497 { "cs_path", CTLTYPE_STRING }, \
498 { "bc_base_max", CTLTYPE_INT }, \
499 { "bc_dim_max", CTLTYPE_INT }, \
500 { "bc_scale_max", CTLTYPE_INT }, \
501 { "bc_string_max", CTLTYPE_INT }, \
502 { "coll_weights_max", CTLTYPE_INT }, \
503 { "expr_nest_max", CTLTYPE_INT }, \
504 { "line_max", CTLTYPE_INT }, \
505 { "re_dup_max", CTLTYPE_INT }, \
506 { "posix2_version", CTLTYPE_INT }, \
507 { "posix2_c_bind", CTLTYPE_INT }, \
508 { "posix2_c_dev", CTLTYPE_INT }, \
509 { "posix2_char_term", CTLTYPE_INT }, \
510 { "posix2_fort_dev", CTLTYPE_INT }, \
511 { "posix2_fort_run", CTLTYPE_INT }, \
512 { "posix2_localedef", CTLTYPE_INT }, \
513 { "posix2_sw_dev", CTLTYPE_INT }, \
514 { "posix2_upe", CTLTYPE_INT }, \
515 { "stream_max", CTLTYPE_INT }, \
516 { "tzname_max", CTLTYPE_INT }, \
517}
518
519#define CTL_P1003_1B_ASYNCHRONOUS_IO 1 /* boolean */
520#define CTL_P1003_1B_MAPPED_FILES 2 /* boolean */
521#define CTL_P1003_1B_MEMLOCK 3 /* boolean */
522#define CTL_P1003_1B_MEMLOCK_RANGE 4 /* boolean */
523#define CTL_P1003_1B_MEMORY_PROTECTION 5 /* boolean */
524#define CTL_P1003_1B_MESSAGE_PASSING 6 /* boolean */
525#define CTL_P1003_1B_PRIORITIZED_IO 7 /* boolean */
526#define CTL_P1003_1B_PRIORITY_SCHEDULING 8 /* boolean */
527#define CTL_P1003_1B_REALTIME_SIGNALS 9 /* boolean */
528#define CTL_P1003_1B_SEMAPHORES 10 /* boolean */
529#define CTL_P1003_1B_FSYNC 11 /* boolean */
530#define CTL_P1003_1B_SHARED_MEMORY_OBJECTS 12 /* boolean */
531#define CTL_P1003_1B_SYNCHRONIZED_IO 13 /* boolean */
532#define CTL_P1003_1B_TIMERS 14 /* boolean */
533#define CTL_P1003_1B_AIO_LISTIO_MAX 15 /* int */
534#define CTL_P1003_1B_AIO_MAX 16 /* int */
535#define CTL_P1003_1B_AIO_PRIO_DELTA_MAX 17 /* int */
536#define CTL_P1003_1B_DELAYTIMER_MAX 18 /* int */
537#define CTL_P1003_1B_MQ_OPEN_MAX 19 /* int */
538#define CTL_P1003_1B_PAGESIZE 20 /* int */
539#define CTL_P1003_1B_RTSIG_MAX 21 /* int */
540#define CTL_P1003_1B_SEM_NSEMS_MAX 22 /* int */
541#define CTL_P1003_1B_SEM_VALUE_MAX 23 /* int */
542#define CTL_P1003_1B_SIGQUEUE_MAX 24 /* int */
543#define CTL_P1003_1B_TIMER_MAX 25 /* int */
544
545#define CTL_P1003_1B_MAXID 26
546
547#define CTL_P1003_1B_NAMES { \
548 { 0, 0 }, \
549 { "asynchronous_io", CTLTYPE_INT }, \
550 { "mapped_files", CTLTYPE_INT }, \
551 { "memlock", CTLTYPE_INT }, \
552 { "memlock_range", CTLTYPE_INT }, \
553 { "memory_protection", CTLTYPE_INT }, \
554 { "message_passing", CTLTYPE_INT }, \
555 { "prioritized_io", CTLTYPE_INT }, \
556 { "priority_scheduling", CTLTYPE_INT }, \
557 { "realtime_signals", CTLTYPE_INT }, \
558 { "semaphores", CTLTYPE_INT }, \
559 { "fsync", CTLTYPE_INT }, \
560 { "shared_memory_objects", CTLTYPE_INT }, \
561 { "synchronized_io", CTLTYPE_INT }, \
562 { "timers", CTLTYPE_INT }, \
563 { "aio_listio_max", CTLTYPE_INT }, \
564 { "aio_max", CTLTYPE_INT }, \
565 { "aio_prio_delta_max", CTLTYPE_INT }, \
566 { "delaytimer_max", CTLTYPE_INT }, \
567 { "mq_open_max", CTLTYPE_INT }, \
568 { "pagesize", CTLTYPE_INT }, \
569 { "rtsig_max", CTLTYPE_INT }, \
570 { "nsems_max", CTLTYPE_INT }, \
571 { "sem_value_max", CTLTYPE_INT }, \
572 { "sigqueue_max", CTLTYPE_INT }, \
573 { "timer_max", CTLTYPE_INT }, \
574}
575
576#ifdef _KERNEL
577
578/*
579 * Declare some common oids.
580 */
581extern struct sysctl_oid_list sysctl__children;
582SYSCTL_DECL(_kern);
583SYSCTL_DECL(_sysctl);
584SYSCTL_DECL(_vm);
585SYSCTL_DECL(_vfs);
586SYSCTL_DECL(_net);
587SYSCTL_DECL(_debug);
588SYSCTL_DECL(_hw);
589SYSCTL_DECL(_machdep);
590SYSCTL_DECL(_user);
591SYSCTL_DECL(_compat);
5f2e2a8b 592SYSCTL_DECL(_lwkt);
984263bc 593
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594/*
595 * Common second-level oids.
596 */
597SYSCTL_DECL(_kern_ipc);
598
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599extern char machine[];
600extern char osrelease[];
601extern char ostype[];
cf75fe93 602extern char kern_ident[];
984263bc 603
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604/* Dynamic oid handling */
605struct sysctl_oid *sysctl_add_oid(struct sysctl_ctx_list *clist,
606 struct sysctl_oid_list *parent, int nbr, const char *name,
607 int kind, void *arg1, int arg2,
608 int (*handler) (SYSCTL_HANDLER_ARGS),
609 const char *fmt, const char *descr);
610int sysctl_remove_oid(struct sysctl_oid *oidp, int del, int recurse);
611int sysctl_ctx_init(struct sysctl_ctx_list *clist);
612int sysctl_ctx_free(struct sysctl_ctx_list *clist);
613struct sysctl_ctx_entry *sysctl_ctx_entry_add(struct sysctl_ctx_list *clist,
614 struct sysctl_oid *oidp);
615struct sysctl_ctx_entry *sysctl_ctx_entry_find(struct sysctl_ctx_list *clist,
616 struct sysctl_oid *oidp);
617int sysctl_ctx_entry_del(struct sysctl_ctx_list *clist,
618 struct sysctl_oid *oidp);
619
41c20dac 620int kernel_sysctl(int *name, u_int namelen, void *old,
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621 size_t *oldlenp, void *new, size_t newlen,
622 size_t *retval);
41c20dac 623int kernel_sysctlbyname(char *name,
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624 void *old, size_t *oldlenp, void *new, size_t newlen,
625 size_t *retval);
41c20dac 626int userland_sysctl(int *name, u_int namelen, void *old,
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627 size_t *oldlenp, int inkernel, void *new, size_t newlen,
628 size_t *retval);
629int sysctl_find_oid(int *name, u_int namelen, struct sysctl_oid **noid,
630 int *nindx, struct sysctl_req *req);
631
632#else /* !_KERNEL */
633#include <sys/cdefs.h>
634
635__BEGIN_DECLS
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636int sysctl (int *, u_int, void *, size_t *, void *, size_t);
637int sysctlbyname (const char *, void *, size_t *, void *, size_t);
7e6e612a 638int sysctlnametomib (const char *, int *, size_t *);
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639__END_DECLS
640#endif /* _KERNEL */
641
642#endif /* !_SYS_SYSCTL_H_ */