The devinfo(3) library provides userspace access to the internal device
[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 $
0010e23a 38 * $DragonFly: src/sys/sys/sysctl.h,v 1.29 2008/09/30 12:20:29 hasso Exp $
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39 */
40
41#ifndef _SYS_SYSCTL_H_
42#define _SYS_SYSCTL_H_
43
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44#ifndef _SYS_TYPES_H_
45#include <sys/types.h>
46#endif
47#ifndef _SYS__POSIX_H_
984263bc 48#include <sys/_posix.h>
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49#endif
50#ifndef _SYS_QUEUE_H_
984263bc 51#include <sys/queue.h>
1bd40720 52#endif
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53
54/*
55 * Definitions for sysctl call. The sysctl call uses a hierarchical name
56 * for objects that can be examined or modified. The name is expressed as
57 * a sequence of integers. Like a file path name, the meaning of each
58 * component depends on its place in the hierarchy. The top-level and kern
59 * identifiers are defined here, and other identifiers are defined in the
60 * respective subsystem header files.
61 */
62
63#define CTL_MAXNAME 12 /* largest number of components supported */
64
65/*
66 * Each subsystem defined by sysctl defines a list of variables
67 * for that subsystem. Each name is either a node with further
68 * levels defined below it, or it is a leaf of some particular
69 * type given below. Each sysctl level defines a set of name/type
70 * pairs to be used by sysctl(1) in manipulating the subsystem.
71 */
72struct ctlname {
73 char *ctl_name; /* subsystem name */
74 int ctl_type; /* type of name */
75};
76
77#define CTLTYPE 0xf /* Mask for the type */
78#define CTLTYPE_NODE 1 /* name is a node */
79#define CTLTYPE_INT 2 /* name describes an integer */
80#define CTLTYPE_STRING 3 /* name describes a string */
81#define CTLTYPE_QUAD 4 /* name describes a 64-bit number */
82#define CTLTYPE_OPAQUE 5 /* name describes a structure */
83#define CTLTYPE_STRUCT CTLTYPE_OPAQUE /* name describes a structure */
84#define CTLTYPE_UINT 6 /* name describes an unsigned integer */
85#define CTLTYPE_LONG 7 /* name describes a long */
86#define CTLTYPE_ULONG 8 /* name describes an unsigned long */
23833bb7 87#define CTLTYPE_UQUAD 9 /* name describes an unsigned 64-bit number */
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88
89#define CTLFLAG_RD 0x80000000 /* Allow reads of variable */
90#define CTLFLAG_WR 0x40000000 /* Allow writes to the variable */
91#define CTLFLAG_RW (CTLFLAG_RD|CTLFLAG_WR)
92#define CTLFLAG_NOLOCK 0x20000000 /* XXX Don't Lock */
93#define CTLFLAG_ANYBODY 0x10000000 /* All users can set this var */
94#define CTLFLAG_SECURE 0x08000000 /* Permit set only if securelevel<=0 */
95#define CTLFLAG_PRISON 0x04000000 /* Prisoned roots can fiddle */
96#define CTLFLAG_DYN 0x02000000 /* Dynamic oid - can be freed */
97
98/*
99 * USE THIS instead of a hardwired number from the categories below
100 * to get dynamically assigned sysctl entries using the linker-set
101 * technology. This is the way nearly all new sysctl variables should
102 * be implemented.
103 * e.g. SYSCTL_INT(_parent, OID_AUTO, name, CTLFLAG_RW, &variable, 0, "");
104 */
105#define OID_AUTO (-1)
106
107#ifdef _KERNEL
108#define SYSCTL_HANDLER_ARGS struct sysctl_oid *oidp, void *arg1, int arg2, \
109 struct sysctl_req *req
110
111/*
112 * This describes the access space for a sysctl request. This is needed
113 * so that we can use the interface from the kernel or from user-space.
114 */
115struct sysctl_req {
dadab5e9 116 struct thread *td;
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117 int lock;
118 void *oldptr;
119 size_t oldlen;
120 size_t oldidx;
121 int (*oldfunc)(struct sysctl_req *, const void *, size_t);
122 void *newptr;
123 size_t newlen;
124 size_t newidx;
125 int (*newfunc)(struct sysctl_req *, void *, size_t);
126};
127
128SLIST_HEAD(sysctl_oid_list, sysctl_oid);
129
130/*
131 * This describes one "oid" in the MIB tree. Potentially more nodes can
132 * be hidden behind it, expanded by the handler.
133 */
134struct sysctl_oid {
135 struct sysctl_oid_list *oid_parent;
136 SLIST_ENTRY(sysctl_oid) oid_link;
137 int oid_number;
138 int oid_kind;
139 void *oid_arg1;
140 int oid_arg2;
141 const char *oid_name;
142 int (*oid_handler)(SYSCTL_HANDLER_ARGS);
143 const char *oid_fmt;
144 int oid_refcnt;
145 const char *oid_descr;
146};
147
148#define SYSCTL_IN(r, p, l) (r->newfunc)(r, p, l)
149#define SYSCTL_OUT(r, p, l) (r->oldfunc)(r, p, l)
150
151int sysctl_handle_int(SYSCTL_HANDLER_ARGS);
152int sysctl_handle_long(SYSCTL_HANDLER_ARGS);
5f2e2a8b 153int sysctl_handle_quad(SYSCTL_HANDLER_ARGS);
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154int sysctl_handle_intptr(SYSCTL_HANDLER_ARGS);
155int sysctl_handle_string(SYSCTL_HANDLER_ARGS);
156int sysctl_handle_opaque(SYSCTL_HANDLER_ARGS);
157
158/*
159 * These functions are used to add/remove an oid from the mib.
160 */
161void sysctl_register_oid(struct sysctl_oid *oidp);
162void sysctl_unregister_oid(struct sysctl_oid *oidp);
163
164/* Declare a static oid to allow child oids to be added to it. */
165#define SYSCTL_DECL(name) \
166 extern struct sysctl_oid_list sysctl_##name##_children
167
168/* Hide these in macros */
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169#define SYSCTL_SET_CHILDREN(oid_ptr, children) do { \
170 (oid_ptr)->oid_arg1 = (children); \
171} while(0)
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172#define SYSCTL_CHILDREN(oid_ptr) (struct sysctl_oid_list *) \
173 (oid_ptr)->oid_arg1
174#define SYSCTL_STATIC_CHILDREN(oid_name) \
175 (&sysctl_##oid_name##_children)
176
177/* === Structs and macros related to context handling === */
178
179/* All dynamically created sysctls can be tracked in a context list. */
180struct sysctl_ctx_entry {
181 struct sysctl_oid *entry;
182 TAILQ_ENTRY(sysctl_ctx_entry) link;
183};
184
185TAILQ_HEAD(sysctl_ctx_list, sysctl_ctx_entry);
186
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187#define SYSCTL_NODE_CHILDREN(parent, name) \
188 sysctl_##parent##_##name##_children
189
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190/* This constructs a "raw" MIB oid. */
191#define SYSCTL_OID(parent, nbr, name, kind, a1, a2, handler, fmt, descr) \
192 static struct sysctl_oid sysctl__##parent##_##name = { \
193 &sysctl_##parent##_children, { 0 }, \
194 nbr, kind, a1, a2, #name, handler, fmt, 0, descr }; \
195 DATA_SET(sysctl_set, sysctl__##parent##_##name);
196
197#define SYSCTL_ADD_OID(ctx, parent, nbr, name, kind, a1, a2, handler, fmt, descr) \
198 sysctl_add_oid(ctx, parent, nbr, name, kind, a1, a2, handler, fmt, descr);
199
200/* This constructs a node from which other oids can hang. */
201#define SYSCTL_NODE(parent, nbr, name, access, handler, descr) \
202 struct sysctl_oid_list sysctl_##parent##_##name##_children; \
203 SYSCTL_OID(parent, nbr, name, CTLTYPE_NODE|access, \
204 (void*)&sysctl_##parent##_##name##_children, 0, handler, \
205 "N", descr);
206
207#define SYSCTL_ADD_NODE(ctx, parent, nbr, name, access, handler, descr) \
208 sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_NODE|access, \
be69ad2a 209 0, 0, handler, "N", descr)
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210
211/* Oid for a string. len can be 0 to indicate '\0' termination. */
212#define SYSCTL_STRING(parent, nbr, name, access, arg, len, descr) \
213 SYSCTL_OID(parent, nbr, name, CTLTYPE_STRING|access, \
214 arg, len, sysctl_handle_string, "A", descr)
215
216#define SYSCTL_ADD_STRING(ctx, parent, nbr, name, access, arg, len, descr) \
217 sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_STRING|access, \
be69ad2a 218 arg, len, sysctl_handle_string, "A", descr)
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219
220/* Oid for an int. If ptr is NULL, val is returned. */
221#define SYSCTL_INT(parent, nbr, name, access, ptr, val, descr) \
222 SYSCTL_OID(parent, nbr, name, CTLTYPE_INT|access, \
223 ptr, val, sysctl_handle_int, "I", descr)
224
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225#define SYSCTL_ADD_INT(ctx, parent, nbr, name, access, ptr, val, descr) \
226 sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_INT|access, \
be69ad2a 227 ptr, val, sysctl_handle_int, "I", descr)
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228
229/* Oid for a quad. If ptr is NULL, val is returned. */
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230#define SYSCTL_QUAD(parent, nbr, name, access, ptr, val, descr) \
231 SYSCTL_OID(parent, nbr, name, CTLTYPE_QUAD|access, \
232 ptr, val, sysctl_handle_quad, "Q", descr)
233
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234#define SYSCTL_ADD_QUAD(ctx, parent, nbr, name, access, ptr, val, descr) \
235 sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_QUAD|access, \
be69ad2a 236 ptr, val, sysctl_handle_quad, "Q", descr)
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237
238/* Oid for an unsigned quad. If ptr is NULL, val is returned. */
239#define SYSCTL_UQUAD(parent, nbr, name, access, ptr, val, descr) \
240 SYSCTL_OID(parent, nbr, name, CTLTYPE_UQUAD|access, \
241 ptr, val, sysctl_handle_quad, "QU", descr)
242
243#define SYSCTL_ADD_UQUAD(ctx, parent, nbr, name, access, ptr, val, descr) \
244 sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_UQUAD|access, \
be69ad2a 245 ptr, val, sysctl_handle_quad, "QU", descr)
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246
247/* Oid for an unsigned int. If ptr is NULL, val is returned. */
248#define SYSCTL_UINT(parent, nbr, name, access, ptr, val, descr) \
249 SYSCTL_OID(parent, nbr, name, CTLTYPE_UINT|access, \
250 ptr, val, sysctl_handle_int, "IU", descr)
251
252#define SYSCTL_ADD_UINT(ctx, parent, nbr, name, access, ptr, val, descr) \
253 sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_UINT|access, \
be69ad2a 254 ptr, val, sysctl_handle_int, "IU", descr)
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255
256/* Oid for a long. The pointer must be non NULL. */
257#define SYSCTL_LONG(parent, nbr, name, access, ptr, val, descr) \
258 SYSCTL_OID(parent, nbr, name, CTLTYPE_LONG|access, \
259 ptr, val, sysctl_handle_long, "L", descr)
260
261#define SYSCTL_ADD_LONG(ctx, parent, nbr, name, access, ptr, descr) \
262 sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_LONG|access, \
be69ad2a 263 ptr, 0, sysctl_handle_long, "L", descr)
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264
265/* Oid for a long. The pointer must be non NULL. */
266#define SYSCTL_ULONG(parent, nbr, name, access, ptr, val, descr) \
267 SYSCTL_OID(parent, nbr, name, CTLTYPE_ULONG|access, \
268 ptr, val, sysctl_handle_long, "LU", descr)
269
270#define SYSCTL_ADD_ULONG(ctx, parent, nbr, name, access, ptr, descr) \
271 sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_ULONG|access, \
be69ad2a 272 ptr, 0, sysctl_handle_long, "LU", descr)
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273
274/* Oid for an opaque object. Specified by a pointer and a length. */
275#define SYSCTL_OPAQUE(parent, nbr, name, access, ptr, len, fmt, descr) \
276 SYSCTL_OID(parent, nbr, name, CTLTYPE_OPAQUE|access, \
277 ptr, len, sysctl_handle_opaque, fmt, descr)
278
279#define SYSCTL_ADD_OPAQUE(ctx, parent, nbr, name, access, ptr, len, fmt, descr)\
280 sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_OPAQUE|access, \
be69ad2a 281 ptr, len, sysctl_handle_opaque, fmt, descr)
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282
283/* Oid for a struct. Specified by a pointer and a type. */
284#define SYSCTL_STRUCT(parent, nbr, name, access, ptr, type, descr) \
285 SYSCTL_OID(parent, nbr, name, CTLTYPE_OPAQUE|access, \
286 ptr, sizeof(struct type), sysctl_handle_opaque, \
287 "S," #type, descr)
288
289#define SYSCTL_ADD_STRUCT(ctx, parent, nbr, name, access, ptr, type, descr) \
290 sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_OPAQUE|access, \
be69ad2a 291 ptr, sizeof(struct type), sysctl_handle_opaque, "S," #type, descr)
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292
293/* Oid for a procedure. Specified by a pointer and an arg. */
294#define SYSCTL_PROC(parent, nbr, name, access, ptr, arg, handler, fmt, descr) \
295 SYSCTL_OID(parent, nbr, name, access, \
296 ptr, arg, handler, fmt, descr)
297
298#define SYSCTL_ADD_PROC(ctx, parent, nbr, name, access, ptr, arg, handler, fmt, descr) \
299 sysctl_add_oid(ctx, parent, nbr, name, access, \
be69ad2a 300 ptr, arg, handler, fmt, descr)
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301
302#endif /* _KERNEL */
303
304/*
305 * Top-level identifiers
306 */
307#define CTL_UNSPEC 0 /* unused */
308#define CTL_KERN 1 /* "high kernel": proc, limits */
309#define CTL_VM 2 /* virtual memory */
310#define CTL_VFS 3 /* file system, mount type is next */
311#define CTL_NET 4 /* network, see socket.h */
312#define CTL_DEBUG 5 /* debugging parameters */
313#define CTL_HW 6 /* generic cpu/io */
314#define CTL_MACHDEP 7 /* machine dependent */
315#define CTL_USER 8 /* user-level */
316#define CTL_P1003_1B 9 /* POSIX 1003.1B */
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317#define CTL_LWKT 10 /* light weight kernel threads */
318#define CTL_MAXID 11 /* number of valid top-level ids */
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319
320#define CTL_NAMES { \
321 { 0, 0 }, \
322 { "kern", CTLTYPE_NODE }, \
323 { "vm", CTLTYPE_NODE }, \
324 { "vfs", CTLTYPE_NODE }, \
325 { "net", CTLTYPE_NODE }, \
326 { "debug", CTLTYPE_NODE }, \
327 { "hw", CTLTYPE_NODE }, \
328 { "machdep", CTLTYPE_NODE }, \
329 { "user", CTLTYPE_NODE }, \
330 { "p1003_1b", CTLTYPE_NODE }, \
5f2e2a8b 331 { "lwkt", CTLTYPE_NODE }, \
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332}
333
334/*
335 * CTL_KERN identifiers
336 */
337#define KERN_OSTYPE 1 /* string: system version */
338#define KERN_OSRELEASE 2 /* string: system release */
339#define KERN_OSREV 3 /* int: system revision */
340#define KERN_VERSION 4 /* string: compile time info */
341#define KERN_MAXVNODES 5 /* int: max vnodes */
342#define KERN_MAXPROC 6 /* int: max processes */
343#define KERN_MAXFILES 7 /* int: max open files */
344#define KERN_ARGMAX 8 /* int: max arguments to exec */
345#define KERN_SECURELVL 9 /* int: system security level */
346#define KERN_HOSTNAME 10 /* string: hostname */
347#define KERN_HOSTID 11 /* int: host identifier */
348#define KERN_CLOCKRATE 12 /* struct: struct clockrate */
349#define KERN_VNODE 13 /* struct: vnode structures */
350#define KERN_PROC 14 /* struct: process entries */
351#define KERN_FILE 15 /* struct: file entries */
352#define KERN_PROF 16 /* node: kernel profiling info */
353#define KERN_POSIX1 17 /* int: POSIX.1 version */
354#define KERN_NGROUPS 18 /* int: # of supplemental group ids */
355#define KERN_JOB_CONTROL 19 /* int: is job control available */
356#define KERN_SAVED_IDS 20 /* int: saved set-user/group-ID */
357#define KERN_BOOTTIME 21 /* struct: time kernel was booted */
358#define KERN_NISDOMAINNAME 22 /* string: YP domain name */
359#define KERN_UPDATEINTERVAL 23 /* int: update process sleep time */
360#define KERN_OSRELDATE 24 /* int: OS release date */
361#define KERN_NTP_PLL 25 /* node: NTP PLL control */
362#define KERN_BOOTFILE 26 /* string: name of booted kernel */
363#define KERN_MAXFILESPERPROC 27 /* int: max open files per proc */
364#define KERN_MAXPROCPERUID 28 /* int: max processes per uid */
b13267a5 365#define KERN_DUMPDEV 29 /* udev_t: device to dump on */
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366#define KERN_IPC 30 /* node: anything related to IPC */
367#define KERN_DUMMY 31 /* unused */
368#define KERN_PS_STRINGS 32 /* int: address of PS_STRINGS */
369#define KERN_USRSTACK 33 /* int: address of USRSTACK */
370#define KERN_LOGSIGEXIT 34 /* int: do we log sigexit procs? */
cbd0496d 371#define KERN_IOV_MAX 35 /* int: value of UIO_MAXIOV */
508ceb09 372#define KERN_MAXPOSIXLOCKSPERUID 36 /* int: max POSIX locks per uid */
cbd0496d 373#define KERN_MAXID 37 /* number of valid kern ids */
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374
375#define CTL_KERN_NAMES { \
376 { 0, 0 }, \
377 { "ostype", CTLTYPE_STRING }, \
378 { "osrelease", CTLTYPE_STRING }, \
379 { "osrevision", CTLTYPE_INT }, \
380 { "version", CTLTYPE_STRING }, \
381 { "maxvnodes", CTLTYPE_INT }, \
382 { "maxproc", CTLTYPE_INT }, \
383 { "maxfiles", CTLTYPE_INT }, \
384 { "argmax", CTLTYPE_INT }, \
385 { "securelevel", CTLTYPE_INT }, \
386 { "hostname", CTLTYPE_STRING }, \
387 { "hostid", CTLTYPE_UINT }, \
388 { "clockrate", CTLTYPE_STRUCT }, \
389 { "vnode", CTLTYPE_STRUCT }, \
390 { "proc", CTLTYPE_STRUCT }, \
391 { "file", CTLTYPE_STRUCT }, \
392 { "profiling", CTLTYPE_NODE }, \
393 { "posix1version", CTLTYPE_INT }, \
394 { "ngroups", CTLTYPE_INT }, \
395 { "job_control", CTLTYPE_INT }, \
396 { "saved_ids", CTLTYPE_INT }, \
397 { "boottime", CTLTYPE_STRUCT }, \
398 { "nisdomainname", CTLTYPE_STRING }, \
399 { "update", CTLTYPE_INT }, \
400 { "osreldate", CTLTYPE_INT }, \
401 { "ntp_pll", CTLTYPE_NODE }, \
402 { "bootfile", CTLTYPE_STRING }, \
403 { "maxfilesperproc", CTLTYPE_INT }, \
404 { "maxprocperuid", CTLTYPE_INT }, \
405 { "dumpdev", CTLTYPE_STRUCT }, /* we lie; don't print as int */ \
406 { "ipc", CTLTYPE_NODE }, \
407 { "dummy", CTLTYPE_INT }, \
408 { "ps_strings", CTLTYPE_INT }, \
409 { "usrstack", CTLTYPE_INT }, \
410 { "logsigexit", CTLTYPE_INT }, \
cbd0496d 411 { "iov_max", CTLTYPE_INT }, \
90049424 412 { "maxposixlocksperuid", CTLTYPE_INT }, \
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413}
414
415/*
416 * CTL_VFS identifiers
417 */
418#define CTL_VFS_NAMES { \
419 { "vfsconf", CTLTYPE_STRUCT }, \
420}
421
422/*
423 * KERN_PROC subtypes
424 */
425#define KERN_PROC_ALL 0 /* everything */
426#define KERN_PROC_PID 1 /* by process id */
427#define KERN_PROC_PGRP 2 /* by process group id */
428#define KERN_PROC_SESSION 3 /* by session of pid */
429#define KERN_PROC_TTY 4 /* by controlling tty */
430#define KERN_PROC_UID 5 /* by effective uid */
431#define KERN_PROC_RUID 6 /* by real uid */
432#define KERN_PROC_ARGS 7 /* get/set arguments/proctitle */
433
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434#define KERN_PROC_FLAGMASK 0x10
435#define KERN_PROC_FLAG_LWP 0x10
436
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437/*
438 * KERN_IPC identifiers
439 */
440#define KIPC_MAXSOCKBUF 1 /* int: max size of a socket buffer */
441#define KIPC_SOCKBUF_WASTE 2 /* int: wastage factor in sockbuf */
442#define KIPC_SOMAXCONN 3 /* int: max length of connection q */
443#define KIPC_MAX_LINKHDR 4 /* int: max length of link header */
444#define KIPC_MAX_PROTOHDR 5 /* int: max length of network header */
445#define KIPC_MAX_HDR 6 /* int: max total length of headers */
446#define KIPC_MAX_DATALEN 7 /* int: max length of data? */
447#define KIPC_MBSTAT 8 /* struct: mbuf usage statistics */
448#define KIPC_NMBCLUSTERS 9 /* int: maximum mbuf clusters */
449
450/*
451 * CTL_HW identifiers
452 */
453#define HW_MACHINE 1 /* string: machine class */
454#define HW_MODEL 2 /* string: specific machine model */
455#define HW_NCPU 3 /* int: number of cpus */
456#define HW_BYTEORDER 4 /* int: machine byte order */
457#define HW_PHYSMEM 5 /* int: total memory */
458#define HW_USERMEM 6 /* int: non-kernel memory */
459#define HW_PAGESIZE 7 /* int: software page size */
460#define HW_DISKNAMES 8 /* strings: disk drive names */
461#define HW_DISKSTATS 9 /* struct: diskstats[] */
462#define HW_FLOATINGPT 10 /* int: has HW floating point? */
463#define HW_MACHINE_ARCH 11 /* string: machine architecture */
0955fd91 464#define HW_MACHINE_PLATFORM 12 /* string: platform architecture */
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465#define HW_SENSORS 13 /* node: hardware sensors */
466#define HW_MAXID 14 /* number of valid hw ids */
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467
468#define CTL_HW_NAMES { \
469 { 0, 0 }, \
470 { "machine", CTLTYPE_STRING }, \
471 { "model", CTLTYPE_STRING }, \
472 { "ncpu", CTLTYPE_INT }, \
473 { "byteorder", CTLTYPE_INT }, \
474 { "physmem", CTLTYPE_UINT }, \
475 { "usermem", CTLTYPE_UINT }, \
476 { "pagesize", CTLTYPE_INT }, \
477 { "disknames", CTLTYPE_STRUCT }, \
478 { "diskstats", CTLTYPE_STRUCT }, \
479 { "floatingpoint", CTLTYPE_INT }, \
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480 { "arch", CTLTYPE_STRING }, \
481 { "platform", CTLTYPE_STRING }, \
482 { "sensors", CTLTYPE_NODE }, \
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483}
484
485/*
486 * CTL_USER definitions
487 */
488#define USER_CS_PATH 1 /* string: _CS_PATH */
489#define USER_BC_BASE_MAX 2 /* int: BC_BASE_MAX */
490#define USER_BC_DIM_MAX 3 /* int: BC_DIM_MAX */
491#define USER_BC_SCALE_MAX 4 /* int: BC_SCALE_MAX */
492#define USER_BC_STRING_MAX 5 /* int: BC_STRING_MAX */
493#define USER_COLL_WEIGHTS_MAX 6 /* int: COLL_WEIGHTS_MAX */
494#define USER_EXPR_NEST_MAX 7 /* int: EXPR_NEST_MAX */
495#define USER_LINE_MAX 8 /* int: LINE_MAX */
496#define USER_RE_DUP_MAX 9 /* int: RE_DUP_MAX */
497#define USER_POSIX2_VERSION 10 /* int: POSIX2_VERSION */
498#define USER_POSIX2_C_BIND 11 /* int: POSIX2_C_BIND */
499#define USER_POSIX2_C_DEV 12 /* int: POSIX2_C_DEV */
500#define USER_POSIX2_CHAR_TERM 13 /* int: POSIX2_CHAR_TERM */
501#define USER_POSIX2_FORT_DEV 14 /* int: POSIX2_FORT_DEV */
502#define USER_POSIX2_FORT_RUN 15 /* int: POSIX2_FORT_RUN */
503#define USER_POSIX2_LOCALEDEF 16 /* int: POSIX2_LOCALEDEF */
504#define USER_POSIX2_SW_DEV 17 /* int: POSIX2_SW_DEV */
505#define USER_POSIX2_UPE 18 /* int: POSIX2_UPE */
506#define USER_STREAM_MAX 19 /* int: POSIX2_STREAM_MAX */
507#define USER_TZNAME_MAX 20 /* int: POSIX2_TZNAME_MAX */
508#define USER_MAXID 21 /* number of valid user ids */
509
510#define CTL_USER_NAMES { \
511 { 0, 0 }, \
512 { "cs_path", CTLTYPE_STRING }, \
513 { "bc_base_max", CTLTYPE_INT }, \
514 { "bc_dim_max", CTLTYPE_INT }, \
515 { "bc_scale_max", CTLTYPE_INT }, \
516 { "bc_string_max", CTLTYPE_INT }, \
517 { "coll_weights_max", CTLTYPE_INT }, \
518 { "expr_nest_max", CTLTYPE_INT }, \
519 { "line_max", CTLTYPE_INT }, \
520 { "re_dup_max", CTLTYPE_INT }, \
521 { "posix2_version", CTLTYPE_INT }, \
522 { "posix2_c_bind", CTLTYPE_INT }, \
523 { "posix2_c_dev", CTLTYPE_INT }, \
524 { "posix2_char_term", CTLTYPE_INT }, \
525 { "posix2_fort_dev", CTLTYPE_INT }, \
526 { "posix2_fort_run", CTLTYPE_INT }, \
527 { "posix2_localedef", CTLTYPE_INT }, \
528 { "posix2_sw_dev", CTLTYPE_INT }, \
529 { "posix2_upe", CTLTYPE_INT }, \
530 { "stream_max", CTLTYPE_INT }, \
531 { "tzname_max", CTLTYPE_INT }, \
532}
533
534#define CTL_P1003_1B_ASYNCHRONOUS_IO 1 /* boolean */
535#define CTL_P1003_1B_MAPPED_FILES 2 /* boolean */
536#define CTL_P1003_1B_MEMLOCK 3 /* boolean */
537#define CTL_P1003_1B_MEMLOCK_RANGE 4 /* boolean */
538#define CTL_P1003_1B_MEMORY_PROTECTION 5 /* boolean */
539#define CTL_P1003_1B_MESSAGE_PASSING 6 /* boolean */
540#define CTL_P1003_1B_PRIORITIZED_IO 7 /* boolean */
541#define CTL_P1003_1B_PRIORITY_SCHEDULING 8 /* boolean */
542#define CTL_P1003_1B_REALTIME_SIGNALS 9 /* boolean */
543#define CTL_P1003_1B_SEMAPHORES 10 /* boolean */
544#define CTL_P1003_1B_FSYNC 11 /* boolean */
545#define CTL_P1003_1B_SHARED_MEMORY_OBJECTS 12 /* boolean */
546#define CTL_P1003_1B_SYNCHRONIZED_IO 13 /* boolean */
547#define CTL_P1003_1B_TIMERS 14 /* boolean */
548#define CTL_P1003_1B_AIO_LISTIO_MAX 15 /* int */
549#define CTL_P1003_1B_AIO_MAX 16 /* int */
550#define CTL_P1003_1B_AIO_PRIO_DELTA_MAX 17 /* int */
551#define CTL_P1003_1B_DELAYTIMER_MAX 18 /* int */
552#define CTL_P1003_1B_MQ_OPEN_MAX 19 /* int */
553#define CTL_P1003_1B_PAGESIZE 20 /* int */
554#define CTL_P1003_1B_RTSIG_MAX 21 /* int */
555#define CTL_P1003_1B_SEM_NSEMS_MAX 22 /* int */
556#define CTL_P1003_1B_SEM_VALUE_MAX 23 /* int */
557#define CTL_P1003_1B_SIGQUEUE_MAX 24 /* int */
558#define CTL_P1003_1B_TIMER_MAX 25 /* int */
559
560#define CTL_P1003_1B_MAXID 26
561
562#define CTL_P1003_1B_NAMES { \
563 { 0, 0 }, \
564 { "asynchronous_io", CTLTYPE_INT }, \
565 { "mapped_files", CTLTYPE_INT }, \
566 { "memlock", CTLTYPE_INT }, \
567 { "memlock_range", CTLTYPE_INT }, \
568 { "memory_protection", CTLTYPE_INT }, \
569 { "message_passing", CTLTYPE_INT }, \
570 { "prioritized_io", CTLTYPE_INT }, \
571 { "priority_scheduling", CTLTYPE_INT }, \
572 { "realtime_signals", CTLTYPE_INT }, \
573 { "semaphores", CTLTYPE_INT }, \
574 { "fsync", CTLTYPE_INT }, \
575 { "shared_memory_objects", CTLTYPE_INT }, \
576 { "synchronized_io", CTLTYPE_INT }, \
577 { "timers", CTLTYPE_INT }, \
578 { "aio_listio_max", CTLTYPE_INT }, \
579 { "aio_max", CTLTYPE_INT }, \
580 { "aio_prio_delta_max", CTLTYPE_INT }, \
581 { "delaytimer_max", CTLTYPE_INT }, \
582 { "mq_open_max", CTLTYPE_INT }, \
583 { "pagesize", CTLTYPE_INT }, \
584 { "rtsig_max", CTLTYPE_INT }, \
585 { "nsems_max", CTLTYPE_INT }, \
586 { "sem_value_max", CTLTYPE_INT }, \
587 { "sigqueue_max", CTLTYPE_INT }, \
588 { "timer_max", CTLTYPE_INT }, \
589}
590
591#ifdef _KERNEL
592
593/*
594 * Declare some common oids.
595 */
596extern struct sysctl_oid_list sysctl__children;
597SYSCTL_DECL(_kern);
598SYSCTL_DECL(_sysctl);
599SYSCTL_DECL(_vm);
600SYSCTL_DECL(_vfs);
601SYSCTL_DECL(_net);
602SYSCTL_DECL(_debug);
306ab3cb 603SYSCTL_DECL(_debug_sizeof);
984263bc 604SYSCTL_DECL(_hw);
0010e23a 605SYSCTL_DECL(_hw_bus);
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606SYSCTL_DECL(_machdep);
607SYSCTL_DECL(_user);
608SYSCTL_DECL(_compat);
5f2e2a8b 609SYSCTL_DECL(_lwkt);
43a0f7ae 610SYSCTL_DECL(_security);
984263bc 611
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612/*
613 * Common second-level oids.
614 */
615SYSCTL_DECL(_kern_ipc);
616
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617extern char machine[];
618extern char osrelease[];
619extern char ostype[];
cf75fe93 620extern char kern_ident[];
984263bc 621
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622/* Dynamic oid handling */
623struct sysctl_oid *sysctl_add_oid(struct sysctl_ctx_list *clist,
624 struct sysctl_oid_list *parent, int nbr, const char *name,
625 int kind, void *arg1, int arg2,
626 int (*handler) (SYSCTL_HANDLER_ARGS),
627 const char *fmt, const char *descr);
628int sysctl_remove_oid(struct sysctl_oid *oidp, int del, int recurse);
629int sysctl_ctx_init(struct sysctl_ctx_list *clist);
630int sysctl_ctx_free(struct sysctl_ctx_list *clist);
631struct sysctl_ctx_entry *sysctl_ctx_entry_add(struct sysctl_ctx_list *clist,
632 struct sysctl_oid *oidp);
633struct sysctl_ctx_entry *sysctl_ctx_entry_find(struct sysctl_ctx_list *clist,
634 struct sysctl_oid *oidp);
635int sysctl_ctx_entry_del(struct sysctl_ctx_list *clist,
636 struct sysctl_oid *oidp);
637
41c20dac 638int kernel_sysctl(int *name, u_int namelen, void *old,
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639 size_t *oldlenp, void *new, size_t newlen,
640 size_t *retval);
41c20dac 641int kernel_sysctlbyname(char *name,
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642 void *old, size_t *oldlenp, void *new, size_t newlen,
643 size_t *retval);
41c20dac 644int userland_sysctl(int *name, u_int namelen, void *old,
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645 size_t *oldlenp, int inkernel, void *new, size_t newlen,
646 size_t *retval);
647int sysctl_find_oid(int *name, u_int namelen, struct sysctl_oid **noid,
648 int *nindx, struct sysctl_req *req);
649
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650int sysctl_int_range(SYSCTL_HANDLER_ARGS, int low, int high);
651
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652#endif /* _KERNEL */
653
654#if !defined(_KERNEL) || defined(_KERNEL_VIRTUAL)
655
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656#include <sys/cdefs.h>
657
658__BEGIN_DECLS
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659int sysctl (int *, u_int, void *, size_t *, void *, size_t);
660int sysctlbyname (const char *, void *, size_t *, void *, size_t);
7e6e612a 661int sysctlnametomib (const char *, int *, size_t *);
984263bc 662__END_DECLS
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663
664#endif /* _KERNEL && _KERNEL_VIRTUAL */
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665
666#endif /* !_SYS_SYSCTL_H_ */