[39e6e65a] | 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 |
---|
[36799d4] | 37 | * $FreeBSD: src/sys/sys/sysctl.h,v 1.110 2002/10/20 22:48:08 phk Exp $ |
---|
[39e6e65a] | 38 | */ |
---|
| 39 | |
---|
| 40 | #ifndef _SYS_SYSCTL_H_ |
---|
| 41 | #define _SYS_SYSCTL_H_ |
---|
| 42 | |
---|
[36799d4] | 43 | #include <sys/queue.h> |
---|
| 44 | |
---|
| 45 | struct thread; |
---|
[39e6e65a] | 46 | /* |
---|
| 47 | * Definitions for sysctl call. The sysctl call uses a hierarchical name |
---|
| 48 | * for objects that can be examined or modified. The name is expressed as |
---|
| 49 | * a sequence of integers. Like a file path name, the meaning of each |
---|
| 50 | * component depends on its place in the hierarchy. The top-level and kern |
---|
| 51 | * identifiers are defined here, and other identifiers are defined in the |
---|
| 52 | * respective subsystem header files. |
---|
| 53 | */ |
---|
| 54 | |
---|
| 55 | #define CTL_MAXNAME 12 /* largest number of components supported */ |
---|
| 56 | |
---|
| 57 | /* |
---|
| 58 | * Each subsystem defined by sysctl defines a list of variables |
---|
| 59 | * for that subsystem. Each name is either a node with further |
---|
| 60 | * levels defined below it, or it is a leaf of some particular |
---|
| 61 | * type given below. Each sysctl level defines a set of name/type |
---|
| 62 | * pairs to be used by sysctl(1) in manipulating the subsystem. |
---|
| 63 | */ |
---|
| 64 | struct ctlname { |
---|
| 65 | char *ctl_name; /* subsystem name */ |
---|
| 66 | int ctl_type; /* type of name */ |
---|
| 67 | }; |
---|
| 68 | |
---|
| 69 | #define CTLTYPE 0xf /* Mask for the type */ |
---|
| 70 | #define CTLTYPE_NODE 1 /* name is a node */ |
---|
| 71 | #define CTLTYPE_INT 2 /* name describes an integer */ |
---|
| 72 | #define CTLTYPE_STRING 3 /* name describes a string */ |
---|
| 73 | #define CTLTYPE_QUAD 4 /* name describes a 64-bit number */ |
---|
| 74 | #define CTLTYPE_OPAQUE 5 /* name describes a structure */ |
---|
| 75 | #define CTLTYPE_STRUCT CTLTYPE_OPAQUE /* name describes a structure */ |
---|
[36799d4] | 76 | #define CTLTYPE_UINT 6 /* name describes an unsigned integer */ |
---|
| 77 | #define CTLTYPE_LONG 7 /* name describes a long */ |
---|
| 78 | #define CTLTYPE_ULONG 8 /* name describes an unsigned long */ |
---|
[39e6e65a] | 79 | |
---|
| 80 | #define CTLFLAG_RD 0x80000000 /* Allow reads of variable */ |
---|
| 81 | #define CTLFLAG_WR 0x40000000 /* Allow writes to the variable */ |
---|
| 82 | #define CTLFLAG_RW (CTLFLAG_RD|CTLFLAG_WR) |
---|
| 83 | #define CTLFLAG_NOLOCK 0x20000000 /* XXX Don't Lock */ |
---|
| 84 | #define CTLFLAG_ANYBODY 0x10000000 /* All users can set this var */ |
---|
[36799d4] | 85 | #define CTLFLAG_SECURE 0x08000000 /* Permit set only if securelevel<=0 */ |
---|
| 86 | #define CTLFLAG_PRISON 0x04000000 /* Prisoned roots can fiddle */ |
---|
| 87 | #define CTLFLAG_DYN 0x02000000 /* Dynamic oid - can be freed */ |
---|
| 88 | #define CTLFLAG_SKIP 0x01000000 /* Skip this sysctl when listing */ |
---|
[39e6e65a] | 89 | |
---|
| 90 | /* |
---|
| 91 | * USE THIS instead of a hardwired number from the categories below |
---|
| 92 | * to get dynamically assigned sysctl entries using the linker-set |
---|
| 93 | * technology. This is the way nearly all new sysctl variables should |
---|
[36799d4] | 94 | * be implemented. |
---|
[39e6e65a] | 95 | * e.g. SYSCTL_INT(_parent, OID_AUTO, name, CTLFLAG_RW, &variable, 0, ""); |
---|
| 96 | */ |
---|
| 97 | #define OID_AUTO (-1) |
---|
| 98 | |
---|
[36799d4] | 99 | /* |
---|
| 100 | * The starting number for dynamically-assigned entries. WARNING! |
---|
| 101 | * ALL static sysctl entries should have numbers LESS than this! |
---|
| 102 | */ |
---|
| 103 | #define CTL_AUTO_START 0x100 |
---|
| 104 | |
---|
[39e6e65a] | 105 | #ifdef KERNEL |
---|
[36799d4] | 106 | #define SYSCTL_HANDLER_ARGS struct sysctl_oid *oidp, void *arg1, int arg2, \ |
---|
| 107 | struct sysctl_req *req |
---|
[39e6e65a] | 108 | |
---|
| 109 | /* |
---|
| 110 | * This describes the access space for a sysctl request. This is needed |
---|
| 111 | * so that we can use the interface from the kernel or from user-space. |
---|
| 112 | */ |
---|
| 113 | struct sysctl_req { |
---|
[36799d4] | 114 | struct thread *td; /* used for access checking */ |
---|
[39e6e65a] | 115 | int lock; |
---|
| 116 | void *oldptr; |
---|
[36799d4] | 117 | size_t oldlen; |
---|
| 118 | size_t oldidx; |
---|
| 119 | int (*oldfunc)(struct sysctl_req *, const void *, size_t); |
---|
[39e6e65a] | 120 | void *newptr; |
---|
[36799d4] | 121 | size_t newlen; |
---|
| 122 | size_t newidx; |
---|
| 123 | int (*newfunc)(struct sysctl_req *, void *, size_t); |
---|
[39e6e65a] | 124 | }; |
---|
| 125 | |
---|
[36799d4] | 126 | SLIST_HEAD(sysctl_oid_list, sysctl_oid); |
---|
| 127 | |
---|
[39e6e65a] | 128 | /* |
---|
| 129 | * This describes one "oid" in the MIB tree. Potentially more nodes can |
---|
| 130 | * be hidden behind it, expanded by the handler. |
---|
| 131 | */ |
---|
| 132 | struct sysctl_oid { |
---|
[36799d4] | 133 | struct sysctl_oid_list *oid_parent; |
---|
| 134 | SLIST_ENTRY(sysctl_oid) oid_link; |
---|
[39e6e65a] | 135 | int oid_number; |
---|
[36799d4] | 136 | u_int oid_kind; |
---|
[39e6e65a] | 137 | void *oid_arg1; |
---|
| 138 | int oid_arg2; |
---|
| 139 | const char *oid_name; |
---|
[36799d4] | 140 | int (*oid_handler)(SYSCTL_HANDLER_ARGS); |
---|
[39e6e65a] | 141 | const char *oid_fmt; |
---|
[36799d4] | 142 | int oid_refcnt; |
---|
| 143 | const char *descr; |
---|
[39e6e65a] | 144 | }; |
---|
| 145 | |
---|
[36799d4] | 146 | #define SYSCTL_IN(r, p, l) (r->newfunc)(r, p, l) |
---|
| 147 | #define SYSCTL_OUT(r, p, l) (r->oldfunc)(r, p, l) |
---|
[39e6e65a] | 148 | |
---|
[36799d4] | 149 | int sysctl_handle_int(SYSCTL_HANDLER_ARGS); |
---|
| 150 | int sysctl_handle_long(SYSCTL_HANDLER_ARGS); |
---|
| 151 | int sysctl_handle_intptr(SYSCTL_HANDLER_ARGS); |
---|
| 152 | int sysctl_handle_string(SYSCTL_HANDLER_ARGS); |
---|
| 153 | int sysctl_handle_opaque(SYSCTL_HANDLER_ARGS); |
---|
[39e6e65a] | 154 | |
---|
[36799d4] | 155 | /* |
---|
| 156 | * These functions are used to add/remove an oid from the mib. |
---|
| 157 | */ |
---|
| 158 | void sysctl_register_oid(struct sysctl_oid *oidp); |
---|
| 159 | void sysctl_unregister_oid(struct sysctl_oid *oidp); |
---|
[39e6e65a] | 160 | |
---|
[36799d4] | 161 | /* Declare a static oid to allow child oids to be added to it. */ |
---|
| 162 | #define SYSCTL_DECL(name) \ |
---|
| 163 | extern struct sysctl_oid_list sysctl_##name##_children |
---|
[39e6e65a] | 164 | |
---|
[36799d4] | 165 | /* Hide these in macros */ |
---|
| 166 | #define SYSCTL_CHILDREN(oid_ptr) (struct sysctl_oid_list *) \ |
---|
| 167 | (oid_ptr)->oid_arg1 |
---|
| 168 | #define SYSCTL_STATIC_CHILDREN(oid_name) \ |
---|
| 169 | (&sysctl_##oid_name##_children) |
---|
[39e6e65a] | 170 | |
---|
[36799d4] | 171 | /* === Structs and macros related to context handling === */ |
---|
[39e6e65a] | 172 | |
---|
[36799d4] | 173 | /* All dynamically created sysctls can be tracked in a context list. */ |
---|
| 174 | struct sysctl_ctx_entry { |
---|
| 175 | struct sysctl_oid *entry; |
---|
| 176 | TAILQ_ENTRY(sysctl_ctx_entry) link; |
---|
| 177 | }; |
---|
[39e6e65a] | 178 | |
---|
[36799d4] | 179 | TAILQ_HEAD(sysctl_ctx_list, sysctl_ctx_entry); |
---|
| 180 | |
---|
| 181 | /* This constructs a "raw" MIB oid. */ |
---|
| 182 | #define SYSCTL_OID(parent, nbr, name, kind, a1, a2, handler, fmt, descr) \ |
---|
| 183 | static struct sysctl_oid sysctl__##parent##_##name = { \ |
---|
| 184 | &sysctl_##parent##_children, { 0 }, \ |
---|
| 185 | nbr, kind, a1, a2, #name, handler, fmt, 0, descr }; \ |
---|
| 186 | DATA_SET(sysctl_set, sysctl__##parent##_##name) |
---|
| 187 | |
---|
| 188 | #define SYSCTL_ADD_OID(ctx, parent, nbr, name, kind, a1, a2, handler, fmt, descr) \ |
---|
| 189 | sysctl_add_oid(ctx, parent, nbr, name, kind, a1, a2, handler, fmt, descr) |
---|
| 190 | |
---|
| 191 | /* This constructs a node from which other oids can hang. */ |
---|
| 192 | #define SYSCTL_NODE(parent, nbr, name, access, handler, descr) \ |
---|
| 193 | struct sysctl_oid_list sysctl_##parent##_##name##_children; \ |
---|
| 194 | SYSCTL_OID(parent, nbr, name, CTLTYPE_NODE|(access), \ |
---|
| 195 | (void*)&sysctl_##parent##_##name##_children, 0, handler, \ |
---|
| 196 | "N", descr) |
---|
| 197 | |
---|
| 198 | #define SYSCTL_ADD_NODE(ctx, parent, nbr, name, access, handler, descr) \ |
---|
| 199 | sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_NODE|(access), \ |
---|
| 200 | 0, 0, handler, "N", descr) |
---|
| 201 | |
---|
| 202 | /* Oid for a string. len can be 0 to indicate '\0' termination. */ |
---|
| 203 | #define SYSCTL_STRING(parent, nbr, name, access, arg, len, descr) \ |
---|
| 204 | SYSCTL_OID(parent, nbr, name, CTLTYPE_STRING|(access), \ |
---|
| 205 | arg, len, sysctl_handle_string, "A", descr) |
---|
| 206 | |
---|
| 207 | #define SYSCTL_ADD_STRING(ctx, parent, nbr, name, access, arg, len, descr) \ |
---|
| 208 | sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_STRING|(access), \ |
---|
| 209 | arg, len, sysctl_handle_string, "A", descr) |
---|
| 210 | |
---|
| 211 | /* Oid for an int. If ptr is NULL, val is returned. */ |
---|
| 212 | #define SYSCTL_INT(parent, nbr, name, access, ptr, val, descr) \ |
---|
| 213 | SYSCTL_OID(parent, nbr, name, CTLTYPE_INT|(access), \ |
---|
| 214 | ptr, val, sysctl_handle_int, "I", descr) |
---|
| 215 | |
---|
| 216 | #define SYSCTL_ADD_INT(ctx, parent, nbr, name, access, ptr, val, descr) \ |
---|
| 217 | sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_INT|(access), \ |
---|
| 218 | ptr, val, sysctl_handle_int, "I", descr) |
---|
| 219 | |
---|
| 220 | /* Oid for an unsigned int. If ptr is NULL, val is returned. */ |
---|
| 221 | #define SYSCTL_UINT(parent, nbr, name, access, ptr, val, descr) \ |
---|
| 222 | SYSCTL_OID(parent, nbr, name, CTLTYPE_UINT|(access), \ |
---|
| 223 | ptr, val, sysctl_handle_int, "IU", descr) |
---|
| 224 | |
---|
| 225 | #define SYSCTL_ADD_UINT(ctx, parent, nbr, name, access, ptr, val, descr) \ |
---|
| 226 | sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_UINT|(access), \ |
---|
| 227 | ptr, val, sysctl_handle_int, "IU", descr) |
---|
| 228 | |
---|
| 229 | /* Oid for a long. The pointer must be non NULL. */ |
---|
| 230 | #define SYSCTL_LONG(parent, nbr, name, access, ptr, val, descr) \ |
---|
| 231 | SYSCTL_OID(parent, nbr, name, CTLTYPE_LONG|(access), \ |
---|
| 232 | ptr, val, sysctl_handle_long, "L", descr) |
---|
| 233 | |
---|
| 234 | #define SYSCTL_ADD_LONG(ctx, parent, nbr, name, access, ptr, descr) \ |
---|
| 235 | sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_LONG|(access), \ |
---|
| 236 | ptr, 0, sysctl_handle_long, "L", descr) |
---|
| 237 | |
---|
| 238 | /* Oid for a long. The pointer must be non NULL. */ |
---|
| 239 | #define SYSCTL_ULONG(parent, nbr, name, access, ptr, val, descr) \ |
---|
| 240 | SYSCTL_OID(parent, nbr, name, CTLTYPE_ULONG|(access), \ |
---|
| 241 | ptr, val, sysctl_handle_long, "LU", descr) |
---|
| 242 | |
---|
| 243 | #define SYSCTL_ADD_ULONG(ctx, parent, nbr, name, access, ptr, descr) \ |
---|
| 244 | sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_ULONG|(access), \ |
---|
| 245 | ptr, 0, sysctl_handle_long, "LU", descr) |
---|
| 246 | |
---|
| 247 | /* Oid for an opaque object. Specified by a pointer and a length. */ |
---|
| 248 | #define SYSCTL_OPAQUE(parent, nbr, name, access, ptr, len, fmt, descr) \ |
---|
| 249 | SYSCTL_OID(parent, nbr, name, CTLTYPE_OPAQUE|(access), \ |
---|
| 250 | ptr, len, sysctl_handle_opaque, fmt, descr) |
---|
| 251 | |
---|
| 252 | #define SYSCTL_ADD_OPAQUE(ctx, parent, nbr, name, access, ptr, len, fmt, descr)\ |
---|
| 253 | sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_OPAQUE|(access), \ |
---|
| 254 | ptr, len, sysctl_handle_opaque, fmt, descr) |
---|
| 255 | |
---|
| 256 | /* Oid for a struct. Specified by a pointer and a type. */ |
---|
| 257 | #define SYSCTL_STRUCT(parent, nbr, name, access, ptr, type, descr) \ |
---|
| 258 | SYSCTL_OID(parent, nbr, name, CTLTYPE_OPAQUE|(access), \ |
---|
| 259 | ptr, sizeof(struct type), sysctl_handle_opaque, \ |
---|
| 260 | "S," #type, descr) |
---|
| 261 | |
---|
| 262 | #define SYSCTL_ADD_STRUCT(ctx, parent, nbr, name, access, ptr, type, descr) \ |
---|
| 263 | sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_OPAQUE|(access), \ |
---|
| 264 | ptr, sizeof(struct type), sysctl_handle_opaque, "S," #type, descr) |
---|
| 265 | |
---|
| 266 | /* Oid for a procedure. Specified by a pointer and an arg. */ |
---|
| 267 | #define SYSCTL_PROC(parent, nbr, name, access, ptr, arg, handler, fmt, descr) \ |
---|
| 268 | SYSCTL_OID(parent, nbr, name, (access), \ |
---|
| 269 | ptr, arg, handler, fmt, descr) |
---|
| 270 | |
---|
| 271 | #define SYSCTL_ADD_PROC(ctx, parent, nbr, name, access, ptr, arg, handler, fmt, descr) \ |
---|
| 272 | sysctl_add_oid(ctx, parent, nbr, name, (access), \ |
---|
| 273 | ptr, arg, handler, fmt, descr) |
---|
[39e6e65a] | 274 | |
---|
| 275 | #endif /* KERNEL */ |
---|
| 276 | |
---|
| 277 | /* |
---|
| 278 | * Top-level identifiers |
---|
| 279 | */ |
---|
| 280 | #define CTL_UNSPEC 0 /* unused */ |
---|
| 281 | #define CTL_KERN 1 /* "high kernel": proc, limits */ |
---|
| 282 | #define CTL_VM 2 /* virtual memory */ |
---|
[36799d4] | 283 | #define CTL_VFS 3 /* filesystem, mount type is next */ |
---|
[39e6e65a] | 284 | #define CTL_NET 4 /* network, see socket.h */ |
---|
| 285 | #define CTL_DEBUG 5 /* debugging parameters */ |
---|
| 286 | #define CTL_HW 6 /* generic cpu/io */ |
---|
| 287 | #define CTL_MACHDEP 7 /* machine dependent */ |
---|
| 288 | #define CTL_USER 8 /* user-level */ |
---|
[36799d4] | 289 | #define CTL_P1003_1B 9 /* POSIX 1003.1B */ |
---|
| 290 | #define CTL_MAXID 10 /* number of valid top-level ids */ |
---|
[39e6e65a] | 291 | |
---|
| 292 | #define CTL_NAMES { \ |
---|
| 293 | { 0, 0 }, \ |
---|
| 294 | { "kern", CTLTYPE_NODE }, \ |
---|
| 295 | { "vm", CTLTYPE_NODE }, \ |
---|
| 296 | { "vfs", CTLTYPE_NODE }, \ |
---|
| 297 | { "net", CTLTYPE_NODE }, \ |
---|
| 298 | { "debug", CTLTYPE_NODE }, \ |
---|
| 299 | { "hw", CTLTYPE_NODE }, \ |
---|
| 300 | { "machdep", CTLTYPE_NODE }, \ |
---|
| 301 | { "user", CTLTYPE_NODE }, \ |
---|
[36799d4] | 302 | { "p1003_1b", CTLTYPE_NODE }, \ |
---|
[39e6e65a] | 303 | } |
---|
| 304 | |
---|
| 305 | /* |
---|
| 306 | * CTL_KERN identifiers |
---|
| 307 | */ |
---|
| 308 | #define KERN_OSTYPE 1 /* string: system version */ |
---|
| 309 | #define KERN_OSRELEASE 2 /* string: system release */ |
---|
| 310 | #define KERN_OSREV 3 /* int: system revision */ |
---|
| 311 | #define KERN_VERSION 4 /* string: compile time info */ |
---|
| 312 | #define KERN_MAXVNODES 5 /* int: max vnodes */ |
---|
| 313 | #define KERN_MAXPROC 6 /* int: max processes */ |
---|
| 314 | #define KERN_MAXFILES 7 /* int: max open files */ |
---|
| 315 | #define KERN_ARGMAX 8 /* int: max arguments to exec */ |
---|
| 316 | #define KERN_SECURELVL 9 /* int: system security level */ |
---|
| 317 | #define KERN_HOSTNAME 10 /* string: hostname */ |
---|
| 318 | #define KERN_HOSTID 11 /* int: host identifier */ |
---|
| 319 | #define KERN_CLOCKRATE 12 /* struct: struct clockrate */ |
---|
| 320 | #define KERN_VNODE 13 /* struct: vnode structures */ |
---|
| 321 | #define KERN_PROC 14 /* struct: process entries */ |
---|
| 322 | #define KERN_FILE 15 /* struct: file entries */ |
---|
| 323 | #define KERN_PROF 16 /* node: kernel profiling info */ |
---|
| 324 | #define KERN_POSIX1 17 /* int: POSIX.1 version */ |
---|
| 325 | #define KERN_NGROUPS 18 /* int: # of supplemental group ids */ |
---|
| 326 | #define KERN_JOB_CONTROL 19 /* int: is job control available */ |
---|
| 327 | #define KERN_SAVED_IDS 20 /* int: saved set-user/group-ID */ |
---|
| 328 | #define KERN_BOOTTIME 21 /* struct: time kernel was booted */ |
---|
| 329 | #define KERN_NISDOMAINNAME 22 /* string: YP domain name */ |
---|
| 330 | #define KERN_UPDATEINTERVAL 23 /* int: update process sleep time */ |
---|
| 331 | #define KERN_OSRELDATE 24 /* int: OS release date */ |
---|
| 332 | #define KERN_NTP_PLL 25 /* node: NTP PLL control */ |
---|
| 333 | #define KERN_BOOTFILE 26 /* string: name of booted kernel */ |
---|
| 334 | #define KERN_MAXFILESPERPROC 27 /* int: max open files per proc */ |
---|
| 335 | #define KERN_MAXPROCPERUID 28 /* int: max processes per uid */ |
---|
| 336 | #define KERN_DUMPDEV 29 /* dev_t: device to dump on */ |
---|
[36799d4] | 337 | #define KERN_IPC 30 /* node: anything related to IPC */ |
---|
| 338 | #define KERN_DUMMY 31 /* unused */ |
---|
[39e6e65a] | 339 | #define KERN_PS_STRINGS 32 /* int: address of PS_STRINGS */ |
---|
| 340 | #define KERN_USRSTACK 33 /* int: address of USRSTACK */ |
---|
[36799d4] | 341 | #define KERN_LOGSIGEXIT 34 /* int: do we log sigexit procs? */ |
---|
| 342 | #define KERN_IOV_MAX 35 /* int: value of UIO_MAXIOV */ |
---|
| 343 | #define KERN_MAXID 36 /* number of valid kern ids */ |
---|
[39e6e65a] | 344 | |
---|
| 345 | #define CTL_KERN_NAMES { \ |
---|
| 346 | { 0, 0 }, \ |
---|
| 347 | { "ostype", CTLTYPE_STRING }, \ |
---|
| 348 | { "osrelease", CTLTYPE_STRING }, \ |
---|
| 349 | { "osrevision", CTLTYPE_INT }, \ |
---|
| 350 | { "version", CTLTYPE_STRING }, \ |
---|
| 351 | { "maxvnodes", CTLTYPE_INT }, \ |
---|
| 352 | { "maxproc", CTLTYPE_INT }, \ |
---|
| 353 | { "maxfiles", CTLTYPE_INT }, \ |
---|
| 354 | { "argmax", CTLTYPE_INT }, \ |
---|
| 355 | { "securelevel", CTLTYPE_INT }, \ |
---|
| 356 | { "hostname", CTLTYPE_STRING }, \ |
---|
[36799d4] | 357 | { "hostid", CTLTYPE_UINT }, \ |
---|
[39e6e65a] | 358 | { "clockrate", CTLTYPE_STRUCT }, \ |
---|
| 359 | { "vnode", CTLTYPE_STRUCT }, \ |
---|
| 360 | { "proc", CTLTYPE_STRUCT }, \ |
---|
| 361 | { "file", CTLTYPE_STRUCT }, \ |
---|
| 362 | { "profiling", CTLTYPE_NODE }, \ |
---|
| 363 | { "posix1version", CTLTYPE_INT }, \ |
---|
| 364 | { "ngroups", CTLTYPE_INT }, \ |
---|
| 365 | { "job_control", CTLTYPE_INT }, \ |
---|
| 366 | { "saved_ids", CTLTYPE_INT }, \ |
---|
| 367 | { "boottime", CTLTYPE_STRUCT }, \ |
---|
| 368 | { "nisdomainname", CTLTYPE_STRING }, \ |
---|
| 369 | { "update", CTLTYPE_INT }, \ |
---|
| 370 | { "osreldate", CTLTYPE_INT }, \ |
---|
[36799d4] | 371 | { "ntp_pll", CTLTYPE_NODE }, \ |
---|
[39e6e65a] | 372 | { "bootfile", CTLTYPE_STRING }, \ |
---|
| 373 | { "maxfilesperproc", CTLTYPE_INT }, \ |
---|
| 374 | { "maxprocperuid", CTLTYPE_INT }, \ |
---|
[36799d4] | 375 | { "ipc", CTLTYPE_NODE }, \ |
---|
| 376 | { "dummy", CTLTYPE_INT }, \ |
---|
[39e6e65a] | 377 | { "ps_strings", CTLTYPE_INT }, \ |
---|
| 378 | { "usrstack", CTLTYPE_INT }, \ |
---|
[36799d4] | 379 | { "logsigexit", CTLTYPE_INT }, \ |
---|
| 380 | { "iov_max", CTLTYPE_INT }, \ |
---|
[39e6e65a] | 381 | } |
---|
| 382 | |
---|
| 383 | /* |
---|
| 384 | * CTL_VFS identifiers |
---|
| 385 | */ |
---|
| 386 | #define CTL_VFS_NAMES { \ |
---|
| 387 | { "vfsconf", CTLTYPE_STRUCT }, \ |
---|
| 388 | } |
---|
| 389 | |
---|
| 390 | /* |
---|
| 391 | * KERN_PROC subtypes |
---|
| 392 | */ |
---|
| 393 | #define KERN_PROC_ALL 0 /* everything */ |
---|
| 394 | #define KERN_PROC_PID 1 /* by process id */ |
---|
| 395 | #define KERN_PROC_PGRP 2 /* by process group id */ |
---|
| 396 | #define KERN_PROC_SESSION 3 /* by session of pid */ |
---|
| 397 | #define KERN_PROC_TTY 4 /* by controlling tty */ |
---|
| 398 | #define KERN_PROC_UID 5 /* by effective uid */ |
---|
| 399 | #define KERN_PROC_RUID 6 /* by real uid */ |
---|
[36799d4] | 400 | #define KERN_PROC_ARGS 7 /* get/set arguments/proctitle */ |
---|
| 401 | |
---|
| 402 | /* |
---|
| 403 | * KERN_IPC identifiers |
---|
| 404 | */ |
---|
| 405 | #define KIPC_MAXSOCKBUF 1 /* int: max size of a socket buffer */ |
---|
| 406 | #define KIPC_SOCKBUF_WASTE 2 /* int: wastage factor in sockbuf */ |
---|
| 407 | #define KIPC_SOMAXCONN 3 /* int: max length of connection q */ |
---|
| 408 | #define KIPC_MAX_LINKHDR 4 /* int: max length of link header */ |
---|
| 409 | #define KIPC_MAX_PROTOHDR 5 /* int: max length of network header */ |
---|
| 410 | #define KIPC_MAX_HDR 6 /* int: max total length of headers */ |
---|
| 411 | #define KIPC_MAX_DATALEN 7 /* int: max length of data? */ |
---|
[39e6e65a] | 412 | |
---|
| 413 | /* |
---|
| 414 | * CTL_HW identifiers |
---|
| 415 | */ |
---|
| 416 | #define HW_MACHINE 1 /* string: machine class */ |
---|
| 417 | #define HW_MODEL 2 /* string: specific machine model */ |
---|
| 418 | #define HW_NCPU 3 /* int: number of cpus */ |
---|
| 419 | #define HW_BYTEORDER 4 /* int: machine byte order */ |
---|
| 420 | #define HW_PHYSMEM 5 /* int: total memory */ |
---|
| 421 | #define HW_USERMEM 6 /* int: non-kernel memory */ |
---|
| 422 | #define HW_PAGESIZE 7 /* int: software page size */ |
---|
| 423 | #define HW_DISKNAMES 8 /* strings: disk drive names */ |
---|
| 424 | #define HW_DISKSTATS 9 /* struct: diskstats[] */ |
---|
| 425 | #define HW_FLOATINGPT 10 /* int: has HW floating point? */ |
---|
| 426 | #define HW_MACHINE_ARCH 11 /* string: machine architecture */ |
---|
| 427 | #define HW_MAXID 12 /* number of valid hw ids */ |
---|
| 428 | |
---|
| 429 | #define CTL_HW_NAMES { \ |
---|
| 430 | { 0, 0 }, \ |
---|
| 431 | { "machine", CTLTYPE_STRING }, \ |
---|
| 432 | { "model", CTLTYPE_STRING }, \ |
---|
| 433 | { "ncpu", CTLTYPE_INT }, \ |
---|
| 434 | { "byteorder", CTLTYPE_INT }, \ |
---|
[36799d4] | 435 | { "physmem", CTLTYPE_ULONG }, \ |
---|
| 436 | { "usermem", CTLTYPE_ULONG }, \ |
---|
[39e6e65a] | 437 | { "pagesize", CTLTYPE_INT }, \ |
---|
| 438 | { "disknames", CTLTYPE_STRUCT }, \ |
---|
| 439 | { "diskstats", CTLTYPE_STRUCT }, \ |
---|
| 440 | { "floatingpoint", CTLTYPE_INT }, \ |
---|
| 441 | } |
---|
| 442 | |
---|
| 443 | /* |
---|
| 444 | * CTL_USER definitions |
---|
| 445 | */ |
---|
| 446 | #define USER_CS_PATH 1 /* string: _CS_PATH */ |
---|
| 447 | #define USER_BC_BASE_MAX 2 /* int: BC_BASE_MAX */ |
---|
| 448 | #define USER_BC_DIM_MAX 3 /* int: BC_DIM_MAX */ |
---|
| 449 | #define USER_BC_SCALE_MAX 4 /* int: BC_SCALE_MAX */ |
---|
| 450 | #define USER_BC_STRING_MAX 5 /* int: BC_STRING_MAX */ |
---|
| 451 | #define USER_COLL_WEIGHTS_MAX 6 /* int: COLL_WEIGHTS_MAX */ |
---|
| 452 | #define USER_EXPR_NEST_MAX 7 /* int: EXPR_NEST_MAX */ |
---|
| 453 | #define USER_LINE_MAX 8 /* int: LINE_MAX */ |
---|
| 454 | #define USER_RE_DUP_MAX 9 /* int: RE_DUP_MAX */ |
---|
| 455 | #define USER_POSIX2_VERSION 10 /* int: POSIX2_VERSION */ |
---|
| 456 | #define USER_POSIX2_C_BIND 11 /* int: POSIX2_C_BIND */ |
---|
| 457 | #define USER_POSIX2_C_DEV 12 /* int: POSIX2_C_DEV */ |
---|
| 458 | #define USER_POSIX2_CHAR_TERM 13 /* int: POSIX2_CHAR_TERM */ |
---|
| 459 | #define USER_POSIX2_FORT_DEV 14 /* int: POSIX2_FORT_DEV */ |
---|
| 460 | #define USER_POSIX2_FORT_RUN 15 /* int: POSIX2_FORT_RUN */ |
---|
| 461 | #define USER_POSIX2_LOCALEDEF 16 /* int: POSIX2_LOCALEDEF */ |
---|
| 462 | #define USER_POSIX2_SW_DEV 17 /* int: POSIX2_SW_DEV */ |
---|
| 463 | #define USER_POSIX2_UPE 18 /* int: POSIX2_UPE */ |
---|
| 464 | #define USER_STREAM_MAX 19 /* int: POSIX2_STREAM_MAX */ |
---|
| 465 | #define USER_TZNAME_MAX 20 /* int: POSIX2_TZNAME_MAX */ |
---|
| 466 | #define USER_MAXID 21 /* number of valid user ids */ |
---|
| 467 | |
---|
| 468 | #define CTL_USER_NAMES { \ |
---|
| 469 | { 0, 0 }, \ |
---|
| 470 | { "cs_path", CTLTYPE_STRING }, \ |
---|
| 471 | { "bc_base_max", CTLTYPE_INT }, \ |
---|
| 472 | { "bc_dim_max", CTLTYPE_INT }, \ |
---|
| 473 | { "bc_scale_max", CTLTYPE_INT }, \ |
---|
| 474 | { "bc_string_max", CTLTYPE_INT }, \ |
---|
| 475 | { "coll_weights_max", CTLTYPE_INT }, \ |
---|
| 476 | { "expr_nest_max", CTLTYPE_INT }, \ |
---|
| 477 | { "line_max", CTLTYPE_INT }, \ |
---|
| 478 | { "re_dup_max", CTLTYPE_INT }, \ |
---|
| 479 | { "posix2_version", CTLTYPE_INT }, \ |
---|
| 480 | { "posix2_c_bind", CTLTYPE_INT }, \ |
---|
| 481 | { "posix2_c_dev", CTLTYPE_INT }, \ |
---|
| 482 | { "posix2_char_term", CTLTYPE_INT }, \ |
---|
| 483 | { "posix2_fort_dev", CTLTYPE_INT }, \ |
---|
| 484 | { "posix2_fort_run", CTLTYPE_INT }, \ |
---|
| 485 | { "posix2_localedef", CTLTYPE_INT }, \ |
---|
| 486 | { "posix2_sw_dev", CTLTYPE_INT }, \ |
---|
| 487 | { "posix2_upe", CTLTYPE_INT }, \ |
---|
| 488 | { "stream_max", CTLTYPE_INT }, \ |
---|
| 489 | { "tzname_max", CTLTYPE_INT }, \ |
---|
| 490 | } |
---|
| 491 | |
---|
[36799d4] | 492 | #define CTL_P1003_1B_ASYNCHRONOUS_IO 1 /* boolean */ |
---|
| 493 | #define CTL_P1003_1B_MAPPED_FILES 2 /* boolean */ |
---|
| 494 | #define CTL_P1003_1B_MEMLOCK 3 /* boolean */ |
---|
| 495 | #define CTL_P1003_1B_MEMLOCK_RANGE 4 /* boolean */ |
---|
| 496 | #define CTL_P1003_1B_MEMORY_PROTECTION 5 /* boolean */ |
---|
| 497 | #define CTL_P1003_1B_MESSAGE_PASSING 6 /* boolean */ |
---|
| 498 | #define CTL_P1003_1B_PRIORITIZED_IO 7 /* boolean */ |
---|
| 499 | #define CTL_P1003_1B_PRIORITY_SCHEDULING 8 /* boolean */ |
---|
| 500 | #define CTL_P1003_1B_REALTIME_SIGNALS 9 /* boolean */ |
---|
| 501 | #define CTL_P1003_1B_SEMAPHORES 10 /* boolean */ |
---|
| 502 | #define CTL_P1003_1B_FSYNC 11 /* boolean */ |
---|
| 503 | #define CTL_P1003_1B_SHARED_MEMORY_OBJECTS 12 /* boolean */ |
---|
| 504 | #define CTL_P1003_1B_SYNCHRONIZED_IO 13 /* boolean */ |
---|
| 505 | #define CTL_P1003_1B_TIMERS 14 /* boolean */ |
---|
| 506 | #define CTL_P1003_1B_AIO_LISTIO_MAX 15 /* int */ |
---|
| 507 | #define CTL_P1003_1B_AIO_MAX 16 /* int */ |
---|
| 508 | #define CTL_P1003_1B_AIO_PRIO_DELTA_MAX 17 /* int */ |
---|
| 509 | #define CTL_P1003_1B_DELAYTIMER_MAX 18 /* int */ |
---|
| 510 | #define CTL_P1003_1B_MQ_OPEN_MAX 19 /* int */ |
---|
| 511 | #define CTL_P1003_1B_PAGESIZE 20 /* int */ |
---|
| 512 | #define CTL_P1003_1B_RTSIG_MAX 21 /* int */ |
---|
| 513 | #define CTL_P1003_1B_SEM_NSEMS_MAX 22 /* int */ |
---|
| 514 | #define CTL_P1003_1B_SEM_VALUE_MAX 23 /* int */ |
---|
| 515 | #define CTL_P1003_1B_SIGQUEUE_MAX 24 /* int */ |
---|
| 516 | #define CTL_P1003_1B_TIMER_MAX 25 /* int */ |
---|
| 517 | |
---|
| 518 | #define CTL_P1003_1B_MAXID 26 |
---|
| 519 | |
---|
| 520 | #define CTL_P1003_1B_NAMES { \ |
---|
| 521 | { 0, 0 }, \ |
---|
| 522 | { "asynchronous_io", CTLTYPE_INT }, \ |
---|
| 523 | { "mapped_files", CTLTYPE_INT }, \ |
---|
| 524 | { "memlock", CTLTYPE_INT }, \ |
---|
| 525 | { "memlock_range", CTLTYPE_INT }, \ |
---|
| 526 | { "memory_protection", CTLTYPE_INT }, \ |
---|
| 527 | { "message_passing", CTLTYPE_INT }, \ |
---|
| 528 | { "prioritized_io", CTLTYPE_INT }, \ |
---|
| 529 | { "priority_scheduling", CTLTYPE_INT }, \ |
---|
| 530 | { "realtime_signals", CTLTYPE_INT }, \ |
---|
| 531 | { "semaphores", CTLTYPE_INT }, \ |
---|
| 532 | { "fsync", CTLTYPE_INT }, \ |
---|
| 533 | { "shared_memory_objects", CTLTYPE_INT }, \ |
---|
| 534 | { "synchronized_io", CTLTYPE_INT }, \ |
---|
| 535 | { "timers", CTLTYPE_INT }, \ |
---|
| 536 | { "aio_listio_max", CTLTYPE_INT }, \ |
---|
| 537 | { "aio_max", CTLTYPE_INT }, \ |
---|
| 538 | { "aio_prio_delta_max", CTLTYPE_INT }, \ |
---|
| 539 | { "delaytimer_max", CTLTYPE_INT }, \ |
---|
| 540 | { "mq_open_max", CTLTYPE_INT }, \ |
---|
| 541 | { "pagesize", CTLTYPE_INT }, \ |
---|
| 542 | { "rtsig_max", CTLTYPE_INT }, \ |
---|
| 543 | { "nsems_max", CTLTYPE_INT }, \ |
---|
| 544 | { "sem_value_max", CTLTYPE_INT }, \ |
---|
| 545 | { "sigqueue_max", CTLTYPE_INT }, \ |
---|
| 546 | { "timer_max", CTLTYPE_INT }, \ |
---|
| 547 | } |
---|
| 548 | |
---|
[39e6e65a] | 549 | #ifdef KERNEL |
---|
| 550 | |
---|
[36799d4] | 551 | /* |
---|
| 552 | * Declare some common oids. |
---|
| 553 | */ |
---|
| 554 | extern struct sysctl_oid_list sysctl__children; |
---|
| 555 | SYSCTL_DECL(_kern); |
---|
| 556 | SYSCTL_DECL(_sysctl); |
---|
| 557 | SYSCTL_DECL(_vm); |
---|
| 558 | SYSCTL_DECL(_vfs); |
---|
| 559 | SYSCTL_DECL(_net); |
---|
| 560 | SYSCTL_DECL(_debug); |
---|
| 561 | SYSCTL_DECL(_debug_sizeof); |
---|
| 562 | SYSCTL_DECL(_hw); |
---|
| 563 | SYSCTL_DECL(_machdep); |
---|
| 564 | SYSCTL_DECL(_user); |
---|
| 565 | SYSCTL_DECL(_compat); |
---|
| 566 | |
---|
[39e6e65a] | 567 | extern char machine[]; |
---|
| 568 | extern char osrelease[]; |
---|
| 569 | extern char ostype[]; |
---|
| 570 | |
---|
[36799d4] | 571 | /* Dynamic oid handling */ |
---|
| 572 | struct sysctl_oid *sysctl_add_oid(struct sysctl_ctx_list *clist, |
---|
| 573 | struct sysctl_oid_list *parent, int nbr, const char *name, |
---|
| 574 | int kind, void *arg1, int arg2, |
---|
| 575 | int (*handler) (SYSCTL_HANDLER_ARGS), |
---|
| 576 | const char *fmt, const char *descr); |
---|
| 577 | int sysctl_remove_oid(struct sysctl_oid *oidp, int del, int recurse); |
---|
| 578 | int sysctl_ctx_init(struct sysctl_ctx_list *clist); |
---|
| 579 | int sysctl_ctx_free(struct sysctl_ctx_list *clist); |
---|
| 580 | struct sysctl_ctx_entry *sysctl_ctx_entry_add(struct sysctl_ctx_list *clist, |
---|
| 581 | struct sysctl_oid *oidp); |
---|
| 582 | struct sysctl_ctx_entry *sysctl_ctx_entry_find(struct sysctl_ctx_list *clist, |
---|
| 583 | struct sysctl_oid *oidp); |
---|
| 584 | int sysctl_ctx_entry_del(struct sysctl_ctx_list *clist, |
---|
| 585 | struct sysctl_oid *oidp); |
---|
| 586 | |
---|
| 587 | int kernel_sysctl(struct thread *td, int *name, u_int namelen, void *old, |
---|
| 588 | size_t *oldlenp, void *new, size_t newlen, |
---|
| 589 | size_t *retval); |
---|
| 590 | int kernel_sysctlbyname(struct thread *td, char *name, |
---|
| 591 | void *old, size_t *oldlenp, void *new, size_t newlen, |
---|
| 592 | size_t *retval); |
---|
| 593 | int userland_sysctl(struct thread *td, int *name, u_int namelen, void *old, |
---|
| 594 | size_t *oldlenp, int inkernel, void *new, size_t newlen, |
---|
| 595 | size_t *retval); |
---|
| 596 | int sysctl_find_oid(int *name, u_int namelen, struct sysctl_oid **noid, |
---|
| 597 | int *nindx, struct sysctl_req *req); |
---|
| 598 | void sysctl_wire_old_buffer(struct sysctl_req *req, size_t len); |
---|
[39e6e65a] | 599 | |
---|
| 600 | #else /* !KERNEL */ |
---|
| 601 | #include <sys/cdefs.h> |
---|
| 602 | |
---|
| 603 | __BEGIN_DECLS |
---|
[36799d4] | 604 | int sysctl(int *, u_int, void *, size_t *, void *, size_t); |
---|
| 605 | int sysctlbyname(const char *, void *, size_t *, void *, size_t); |
---|
| 606 | int sysctlnametomib(const char *, int *, size_t *); |
---|
[39e6e65a] | 607 | __END_DECLS |
---|
| 608 | #endif /* KERNEL */ |
---|
| 609 | |
---|
| 610 | #endif /* !_SYS_SYSCTL_H_ */ |
---|