1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 1989, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * Mike Karels at Berkeley Software Design, Inc. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. Neither the name of the University nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 */ 34 35 #ifndef _SYS_SYSCTL_H_ 36 #define _SYS_SYSCTL_H_ 37 38 #ifdef _KERNEL 39 #include <sys/cdefs.h> 40 #include <sys/queue.h> 41 #include <sys/tree.h> 42 #endif 43 44 /* 45 * Definitions for sysctl call. The sysctl call uses a hierarchical name 46 * for objects that can be examined or modified. The name is expressed as 47 * a sequence of integers. Like a file path name, the meaning of each 48 * component depends on its place in the hierarchy. The top-level and kern 49 * identifiers are defined here, and other identifiers are defined in the 50 * respective subsystem header files. 51 * 52 * Each subsystem defined by sysctl defines a list of variables for that 53 * subsystem. Each name is either a node with further levels defined below it, 54 * or it is a leaf of some particular type given below. Each sysctl level 55 * defines a set of name/type pairs to be used by sysctl(8) in manipulating the 56 * subsystem. 57 */ 58 59 #define CTL_MAXNAME 24 /* largest number of components supported */ 60 61 #define CTLTYPE 0xf /* mask for the type */ 62 #define CTLTYPE_NODE 1 /* name is a node */ 63 #define CTLTYPE_INT 2 /* name describes an integer */ 64 #define CTLTYPE_STRING 3 /* name describes a string */ 65 #define CTLTYPE_S64 4 /* name describes a signed 64-bit number */ 66 #define CTLTYPE_OPAQUE 5 /* name describes a structure */ 67 #define CTLTYPE_STRUCT CTLTYPE_OPAQUE /* name describes a structure */ 68 #define CTLTYPE_UINT 6 /* name describes an unsigned integer */ 69 #define CTLTYPE_LONG 7 /* name describes a long */ 70 #define CTLTYPE_ULONG 8 /* name describes an unsigned long */ 71 #define CTLTYPE_U64 9 /* name describes an unsigned 64-bit number */ 72 #define CTLTYPE_U8 0xa /* name describes an unsigned 8-bit number */ 73 #define CTLTYPE_U16 0xb /* name describes an unsigned 16-bit number */ 74 #define CTLTYPE_S8 0xc /* name describes a signed 8-bit number */ 75 #define CTLTYPE_S16 0xd /* name describes a signed 16-bit number */ 76 #define CTLTYPE_S32 0xe /* name describes a signed 32-bit number */ 77 #define CTLTYPE_U32 0xf /* name describes an unsigned 32-bit number */ 78 79 #define CTLFLAG_RD 0x80000000 /* Allow reads of variable */ 80 #define CTLFLAG_WR 0x40000000 /* Allow writes to the variable */ 81 #define CTLFLAG_RW (CTLFLAG_RD|CTLFLAG_WR) 82 #define CTLFLAG_DORMANT 0x20000000 /* This sysctl is not active yet */ 83 #define CTLFLAG_ANYBODY 0x10000000 /* All users can set this var */ 84 #define CTLFLAG_SECURE 0x08000000 /* Permit set only if securelevel<=0 */ 85 #define CTLFLAG_PRISON 0x04000000 /* Prisoned roots can fiddle */ 86 #define CTLFLAG_DYN 0x02000000 /* Dynamic oid - can be freed */ 87 #define CTLFLAG_SKIP 0x01000000 /* Skip this sysctl when listing */ 88 #define CTLMASK_SECURE 0x00F00000 /* Secure level */ 89 #define CTLFLAG_TUN 0x00080000 /* Default value is loaded from getenv() */ 90 #define CTLFLAG_RDTUN (CTLFLAG_RD|CTLFLAG_TUN) 91 #define CTLFLAG_RWTUN (CTLFLAG_RW|CTLFLAG_TUN) 92 #define CTLFLAG_MPSAFE 0x00040000 /* Handler is MP safe */ 93 #define CTLFLAG_VNET 0x00020000 /* Prisons with vnet can fiddle */ 94 #define CTLFLAG_DYING 0x00010000 /* Oid is being removed */ 95 #define CTLFLAG_CAPRD 0x00008000 /* Can be read in capability mode */ 96 #define CTLFLAG_CAPWR 0x00004000 /* Can be written in capability mode */ 97 #define CTLFLAG_STATS 0x00002000 /* Statistics, not a tuneable */ 98 #define CTLFLAG_NOFETCH 0x00001000 /* Don't fetch tunable from getenv() */ 99 #define CTLFLAG_CAPRW (CTLFLAG_CAPRD|CTLFLAG_CAPWR) 100 /* 101 * This is transient flag to be used until all sysctl handlers are converted 102 * to not lock Giant. 103 * One, and only one of CTLFLAG_MPSAFE or CTLFLAG_NEEDGIANT is required 104 * for SYSCTL_PROC and SYSCTL_NODE. 105 */ 106 #define CTLFLAG_NEEDGIANT 0x00000800 /* Handler require Giant */ 107 108 /* 109 * Secure level. Note that CTLFLAG_SECURE == CTLFLAG_SECURE1. 110 * 111 * Secure when the securelevel is raised to at least N. 112 */ 113 #define CTLSHIFT_SECURE 20 114 #define CTLFLAG_SECURE1 (CTLFLAG_SECURE | (0 << CTLSHIFT_SECURE)) 115 #define CTLFLAG_SECURE2 (CTLFLAG_SECURE | (1 << CTLSHIFT_SECURE)) 116 #define CTLFLAG_SECURE3 (CTLFLAG_SECURE | (2 << CTLSHIFT_SECURE)) 117 118 /* 119 * USE THIS instead of a hardwired number from the categories below 120 * to get dynamically assigned sysctl entries using the linker-set 121 * technology. This is the way nearly all new sysctl variables should 122 * be implemented. 123 * e.g. SYSCTL_INT(_parent, OID_AUTO, name, CTLFLAG_RW, &variable, 0, ""); 124 */ 125 #define OID_AUTO (-1) 126 127 /* 128 * The starting number for dynamically-assigned entries. WARNING! 129 * ALL static sysctl entries should have numbers LESS than this! 130 */ 131 #define CTL_AUTO_START 0x100 132 133 #ifdef _KERNEL 134 #include <sys/linker_set.h> 135 136 #ifdef KLD_MODULE 137 /* XXX allow overspecification of type in external kernel modules */ 138 #define SYSCTL_CT_ASSERT_MASK CTLTYPE 139 #else 140 #define SYSCTL_CT_ASSERT_MASK 0 141 #endif 142 143 #define SYSCTL_HANDLER_ARGS struct sysctl_oid *oidp, void *arg1, \ 144 intmax_t arg2, struct sysctl_req *req 145 146 /* definitions for sysctl_req 'lock' member */ 147 #define REQ_UNWIRED 1 148 #define REQ_WIRED 2 149 150 /* definitions for sysctl_req 'flags' member */ 151 #ifdef COMPAT_FREEBSD32 152 #define SCTL_MASK32 1 /* 32 bit emulation */ 153 #endif 154 155 /* 156 * This describes the access space for a sysctl request. This is needed 157 * so that we can use the interface from the kernel or from user-space. 158 */ 159 struct thread; 160 struct sysctl_req { 161 struct thread *td; /* used for access checking */ 162 int lock; /* wiring state */ 163 void *oldptr; 164 size_t oldlen; 165 size_t oldidx; 166 int (*oldfunc)(struct sysctl_req *, const void *, size_t); 167 const void *newptr; 168 size_t newlen; 169 size_t newidx; 170 int (*newfunc)(struct sysctl_req *, void *, size_t); 171 size_t validlen; 172 int flags; 173 }; 174 175 struct sysctl_oid; 176 177 /* RB Tree handling */ 178 RB_HEAD(sysctl_oid_list, sysctl_oid); 179 180 /* 181 * This describes one "oid" in the MIB tree. Potentially more nodes can 182 * be hidden behind it, expanded by the handler. 183 */ 184 struct sysctl_oid { 185 struct sysctl_oid_list oid_children; 186 struct sysctl_oid_list* oid_parent; 187 RB_ENTRY(sysctl_oid) oid_link; 188 /* Sort key for all siblings, and lookup key for userland */ 189 int oid_number; 190 u_int oid_kind; 191 void *oid_arg1; 192 intmax_t oid_arg2; 193 /* Must be unique amongst all siblings. */ 194 const char *oid_name; 195 int (*oid_handler)(SYSCTL_HANDLER_ARGS); 196 const char *oid_fmt; 197 int oid_refcnt; 198 u_int oid_running; 199 const char *oid_descr; 200 const char *oid_label; 201 }; 202 203 static inline int 204 cmp_sysctl_oid(struct sysctl_oid *a, struct sysctl_oid *b) 205 { 206 if (a->oid_number > b->oid_number) 207 return (1); 208 else if (a->oid_number < b->oid_number) 209 return (-1); 210 else 211 return (0); 212 } 213 214 RB_PROTOTYPE(sysctl_oid_list, sysctl_oid, oid_link, cmp_sysctl_oid); 215 216 #define SYSCTL_IN(r, p, l) (r->newfunc)(r, p, l) 217 #define SYSCTL_OUT(r, p, l) (r->oldfunc)(r, p, l) 218 #define SYSCTL_OUT_STR(r, p) (r->oldfunc)(r, p, strlen(p) + 1) 219 220 int sysctl_handle_bool(SYSCTL_HANDLER_ARGS); 221 int sysctl_handle_8(SYSCTL_HANDLER_ARGS); 222 int sysctl_handle_16(SYSCTL_HANDLER_ARGS); 223 int sysctl_handle_32(SYSCTL_HANDLER_ARGS); 224 int sysctl_handle_64(SYSCTL_HANDLER_ARGS); 225 int sysctl_handle_int(SYSCTL_HANDLER_ARGS); 226 int sysctl_msec_to_ticks(SYSCTL_HANDLER_ARGS); 227 int sysctl_handle_long(SYSCTL_HANDLER_ARGS); 228 int sysctl_handle_string(SYSCTL_HANDLER_ARGS); 229 int sysctl_handle_opaque(SYSCTL_HANDLER_ARGS); 230 int sysctl_handle_counter_u64(SYSCTL_HANDLER_ARGS); 231 int sysctl_handle_counter_u64_array(SYSCTL_HANDLER_ARGS); 232 233 int sysctl_handle_uma_zone_max(SYSCTL_HANDLER_ARGS); 234 int sysctl_handle_uma_zone_cur(SYSCTL_HANDLER_ARGS); 235 236 int sysctl_msec_to_sbintime(SYSCTL_HANDLER_ARGS); 237 int sysctl_usec_to_sbintime(SYSCTL_HANDLER_ARGS); 238 int sysctl_sec_to_timeval(SYSCTL_HANDLER_ARGS); 239 240 int sysctl_dpcpu_int(SYSCTL_HANDLER_ARGS); 241 int sysctl_dpcpu_long(SYSCTL_HANDLER_ARGS); 242 int sysctl_dpcpu_quad(SYSCTL_HANDLER_ARGS); 243 244 /* 245 * These functions are used to add/remove an oid from the mib. 246 */ 247 void sysctl_register_oid(struct sysctl_oid *oidp); 248 void sysctl_register_disabled_oid(struct sysctl_oid *oidp); 249 void sysctl_enable_oid(struct sysctl_oid *oidp); 250 void sysctl_unregister_oid(struct sysctl_oid *oidp); 251 252 /* Declare a static oid to allow child oids to be added to it. */ 253 #define SYSCTL_DECL(name) \ 254 extern struct sysctl_oid sysctl__##name 255 256 /* Hide these in macros. */ 257 #define SYSCTL_CHILDREN(oid_ptr) (&(oid_ptr)->oid_children) 258 #define SYSCTL_PARENT(oid_ptr) \ 259 (((oid_ptr)->oid_parent != &sysctl__children) ? \ 260 __containerof((oid_ptr)->oid_parent, struct sysctl_oid, \ 261 oid_children) : (struct sysctl_oid *)NULL) 262 #define SYSCTL_STATIC_CHILDREN(oid_name) (&sysctl__##oid_name.oid_children) 263 264 /* === Structs and macros related to context handling. === */ 265 266 /* All dynamically created sysctls can be tracked in a context list. */ 267 struct sysctl_ctx_entry { 268 struct sysctl_oid *entry; 269 TAILQ_ENTRY(sysctl_ctx_entry) link; 270 }; 271 272 TAILQ_HEAD(sysctl_ctx_list, sysctl_ctx_entry); 273 274 #define SYSCTL_NODE_CHILDREN(parent, name) \ 275 sysctl__##parent##_##name.oid_children 276 277 #ifndef NO_SYSCTL_DESCR 278 #define __DESCR(d) d 279 #else 280 #define __DESCR(d) "" 281 #endif 282 283 #ifdef notyet 284 #define SYSCTL_ENFORCE_FLAGS(x) \ 285 _Static_assert((((x) & CTLFLAG_MPSAFE) != 0) ^ (((x) & CTLFLAG_NEEDGIANT) != 0), \ 286 "Has to be either CTLFLAG_MPSAFE or CTLFLAG_NEEDGIANT") 287 #else 288 #define SYSCTL_ENFORCE_FLAGS(x) 289 #endif 290 291 /* This macro is only for internal use */ 292 #define SYSCTL_OID_RAW(id, parent_child_head, nbr, name, kind, a1, a2, handler, fmt, descr, label) \ 293 struct sysctl_oid id = { \ 294 .oid_parent = (parent_child_head), \ 295 .oid_children = RB_INITIALIZER(&id.oid_children), \ 296 .oid_number = (nbr), \ 297 .oid_kind = (kind), \ 298 .oid_arg1 = (a1), \ 299 .oid_arg2 = (a2), \ 300 .oid_name = (name), \ 301 .oid_handler = (handler), \ 302 .oid_fmt = (fmt), \ 303 .oid_descr = __DESCR(descr), \ 304 .oid_label = (label), \ 305 }; \ 306 DATA_SET(sysctl_set, id); \ 307 SYSCTL_ENFORCE_FLAGS(kind) 308 309 /* This constructs a static "raw" MIB oid. */ 310 #define SYSCTL_OID(parent, nbr, name, kind, a1, a2, handler, fmt, descr) \ 311 SYSCTL_OID_WITH_LABEL(parent, nbr, name, kind, a1, a2, \ 312 handler, fmt, descr, NULL) 313 314 #define SYSCTL_OID_WITH_LABEL(parent, nbr, name, kind, a1, a2, handler, fmt, descr, label) \ 315 static SYSCTL_OID_RAW(sysctl__##parent##_##name, \ 316 SYSCTL_CHILDREN(&sysctl__##parent), \ 317 nbr, #name, kind, a1, a2, handler, fmt, descr, label) 318 319 /* This constructs a global "raw" MIB oid. */ 320 #define SYSCTL_OID_GLOBAL(parent, nbr, name, kind, a1, a2, handler, fmt, descr, label) \ 321 SYSCTL_OID_RAW(sysctl__##parent##_##name, \ 322 SYSCTL_CHILDREN(&sysctl__##parent), \ 323 nbr, #name, kind, a1, a2, handler, fmt, descr, label) 324 325 #define SYSCTL_ADD_OID(ctx, parent, nbr, name, kind, a1, a2, handler, fmt, descr) \ 326 ({ \ 327 SYSCTL_ENFORCE_FLAGS(kind); \ 328 sysctl_add_oid(ctx, parent, nbr, name, kind, a1, a2,handler, \ 329 fmt, __DESCR(descr), NULL); \ 330 }) 331 332 /* This constructs a root node from which other nodes can hang. */ 333 #define SYSCTL_ROOT_NODE(nbr, name, access, handler, descr) \ 334 SYSCTL_OID_RAW(sysctl___##name, &sysctl__children, \ 335 nbr, #name, CTLTYPE_NODE|(access), NULL, 0, \ 336 handler, "N", descr, NULL); \ 337 CTASSERT(((access) & CTLTYPE) == 0 || \ 338 ((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_NODE) 339 340 /* This constructs a node from which other oids can hang. */ 341 #define SYSCTL_NODE(parent, nbr, name, access, handler, descr) \ 342 SYSCTL_NODE_WITH_LABEL(parent, nbr, name, access, handler, descr, NULL) 343 344 #define SYSCTL_NODE_WITH_LABEL(parent, nbr, name, access, handler, descr, label) \ 345 SYSCTL_OID_GLOBAL(parent, nbr, name, CTLTYPE_NODE|(access), \ 346 NULL, 0, handler, "N", descr, label); \ 347 SYSCTL_ENFORCE_FLAGS(access); \ 348 CTASSERT(((access) & CTLTYPE) == 0 || \ 349 ((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_NODE) 350 351 #define SYSCTL_ADD_NODE(ctx, parent, nbr, name, access, handler, descr) \ 352 SYSCTL_ADD_NODE_WITH_LABEL(ctx, parent, nbr, name, access, \ 353 handler, descr, NULL) 354 355 #define SYSCTL_ADD_NODE_WITH_LABEL(ctx, parent, nbr, name, access, handler, descr, label) \ 356 ({ \ 357 CTASSERT(((access) & CTLTYPE) == 0 || \ 358 ((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_NODE); \ 359 SYSCTL_ENFORCE_FLAGS(access); \ 360 sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_NODE|(access), \ 361 NULL, 0, handler, "N", __DESCR(descr), label); \ 362 }) 363 364 #define SYSCTL_ADD_ROOT_NODE(ctx, nbr, name, access, handler, descr) \ 365 ({ \ 366 CTASSERT(((access) & CTLTYPE) == 0 || \ 367 ((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_NODE); \ 368 SYSCTL_ENFORCE_FLAGS(access); \ 369 sysctl_add_oid(ctx, &sysctl__children, nbr, name, \ 370 CTLTYPE_NODE|(access), \ 371 NULL, 0, handler, "N", __DESCR(descr), NULL); \ 372 }) 373 374 /* Oid for a string. len can be 0 to indicate '\0' termination. */ 375 #define SYSCTL_STRING(parent, nbr, name, access, arg, len, descr) \ 376 SYSCTL_OID(parent, nbr, name, \ 377 CTLTYPE_STRING | CTLFLAG_MPSAFE | (access), \ 378 arg, len, sysctl_handle_string, "A", descr); \ 379 CTASSERT(((access) & CTLTYPE) == 0 || \ 380 ((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_STRING) 381 382 #define SYSCTL_ADD_STRING(ctx, parent, nbr, name, access, arg, len, descr) \ 383 ({ \ 384 char *__arg = (arg); \ 385 CTASSERT(((access) & CTLTYPE) == 0 || \ 386 ((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_STRING); \ 387 sysctl_add_oid(ctx, parent, nbr, name, \ 388 CTLTYPE_STRING | CTLFLAG_MPSAFE | (access), \ 389 __arg, len, sysctl_handle_string, "A", __DESCR(descr), \ 390 NULL); \ 391 }) 392 393 /* Oid for a constant '\0' terminated string. */ 394 #define SYSCTL_CONST_STRING(parent, nbr, name, access, arg, descr) \ 395 SYSCTL_OID(parent, nbr, name, CTLTYPE_STRING | CTLFLAG_MPSAFE | (access),\ 396 __DECONST(char *, arg), 0, sysctl_handle_string, "A", descr); \ 397 CTASSERT(!((access) & CTLFLAG_WR)); \ 398 CTASSERT(((access) & CTLTYPE) == 0 || \ 399 ((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_STRING) 400 401 #define SYSCTL_ADD_CONST_STRING(ctx, parent, nbr, name, access, arg, descr) \ 402 ({ \ 403 char *__arg = __DECONST(char *, arg); \ 404 CTASSERT(!((access) & CTLFLAG_WR)); \ 405 CTASSERT(((access) & CTLTYPE) == 0 || \ 406 ((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_STRING); \ 407 sysctl_add_oid(ctx, parent, nbr, name, CTLTYPE_STRING | \ 408 CTLFLAG_MPSAFE | (access), __arg, 0, sysctl_handle_string, "A",\ 409 __DESCR(descr), NULL); \ 410 }) 411 412 /* Oid for a bool. If ptr is NULL, val is returned. */ 413 #define SYSCTL_NULL_BOOL_PTR ((bool *)NULL) 414 #define SYSCTL_BOOL(parent, nbr, name, access, ptr, val, descr) \ 415 SYSCTL_OID(parent, nbr, name, \ 416 CTLTYPE_U8 | CTLFLAG_MPSAFE | (access), \ 417 ptr, val, sysctl_handle_bool, "CU", descr); \ 418 CTASSERT(((access) & CTLTYPE) == 0 && \ 419 sizeof(bool) == sizeof(*(ptr))) 420 421 #define SYSCTL_ADD_BOOL(ctx, parent, nbr, name, access, ptr, val, descr) \ 422 ({ \ 423 bool *__ptr = (ptr); \ 424 CTASSERT(((access) & CTLTYPE) == 0); \ 425 sysctl_add_oid(ctx, parent, nbr, name, \ 426 CTLTYPE_U8 | CTLFLAG_MPSAFE | (access), \ 427 __ptr, val, sysctl_handle_bool, "CU", __DESCR(descr), \ 428 NULL); \ 429 }) 430 431 /* Oid for a signed 8-bit int. If ptr is NULL, val is returned. */ 432 #define SYSCTL_NULL_S8_PTR ((int8_t *)NULL) 433 #define SYSCTL_S8(parent, nbr, name, access, ptr, val, descr) \ 434 SYSCTL_OID(parent, nbr, name, \ 435 CTLTYPE_S8 | CTLFLAG_MPSAFE | (access), \ 436 ptr, val, sysctl_handle_8, "C", descr); \ 437 CTASSERT((((access) & CTLTYPE) == 0 || \ 438 ((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_S8) && \ 439 sizeof(int8_t) == sizeof(*(ptr))) 440 441 #define SYSCTL_ADD_S8(ctx, parent, nbr, name, access, ptr, val, descr) \ 442 ({ \ 443 int8_t *__ptr = (ptr); \ 444 CTASSERT(((access) & CTLTYPE) == 0 || \ 445 ((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_S8); \ 446 sysctl_add_oid(ctx, parent, nbr, name, \ 447 CTLTYPE_S8 | CTLFLAG_MPSAFE | (access), \ 448 __ptr, val, sysctl_handle_8, "C", __DESCR(descr), NULL); \ 449 }) 450 451 /* Oid for an unsigned 8-bit int. If ptr is NULL, val is returned. */ 452 #define SYSCTL_NULL_U8_PTR ((uint8_t *)NULL) 453 #define SYSCTL_U8(parent, nbr, name, access, ptr, val, descr) \ 454 SYSCTL_OID(parent, nbr, name, \ 455 CTLTYPE_U8 | CTLFLAG_MPSAFE | (access), \ 456 ptr, val, sysctl_handle_8, "CU", descr); \ 457 CTASSERT((((access) & CTLTYPE) == 0 || \ 458 ((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_U8) && \ 459 sizeof(uint8_t) == sizeof(*(ptr))) 460 461 #define SYSCTL_ADD_U8(ctx, parent, nbr, name, access, ptr, val, descr) \ 462 ({ \ 463 uint8_t *__ptr = (ptr); \ 464 CTASSERT(((access) & CTLTYPE) == 0 || \ 465 ((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_U8); \ 466 sysctl_add_oid(ctx, parent, nbr, name, \ 467 CTLTYPE_U8 | CTLFLAG_MPSAFE | (access), \ 468 __ptr, val, sysctl_handle_8, "CU", __DESCR(descr), NULL); \ 469 }) 470 471 /* Oid for a signed 16-bit int. If ptr is NULL, val is returned. */ 472 #define SYSCTL_NULL_S16_PTR ((int16_t *)NULL) 473 #define SYSCTL_S16(parent, nbr, name, access, ptr, val, descr) \ 474 SYSCTL_OID(parent, nbr, name, \ 475 CTLTYPE_S16 | CTLFLAG_MPSAFE | (access), \ 476 ptr, val, sysctl_handle_16, "S", descr); \ 477 CTASSERT((((access) & CTLTYPE) == 0 || \ 478 ((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_S16) && \ 479 sizeof(int16_t) == sizeof(*(ptr))) 480 481 #define SYSCTL_ADD_S16(ctx, parent, nbr, name, access, ptr, val, descr) \ 482 ({ \ 483 int16_t *__ptr = (ptr); \ 484 CTASSERT(((access) & CTLTYPE) == 0 || \ 485 ((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_S16); \ 486 sysctl_add_oid(ctx, parent, nbr, name, \ 487 CTLTYPE_S16 | CTLFLAG_MPSAFE | (access), \ 488 __ptr, val, sysctl_handle_16, "S", __DESCR(descr), NULL); \ 489 }) 490 491 /* Oid for an unsigned 16-bit int. If ptr is NULL, val is returned. */ 492 #define SYSCTL_NULL_U16_PTR ((uint16_t *)NULL) 493 #define SYSCTL_U16(parent, nbr, name, access, ptr, val, descr) \ 494 SYSCTL_OID(parent, nbr, name, \ 495 CTLTYPE_U16 | CTLFLAG_MPSAFE | (access), \ 496 ptr, val, sysctl_handle_16, "SU", descr); \ 497 CTASSERT((((access) & CTLTYPE) == 0 || \ 498 ((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_U16) && \ 499 sizeof(uint16_t) == sizeof(*(ptr))) 500 501 #define SYSCTL_ADD_U16(ctx, parent, nbr, name, access, ptr, val, descr) \ 502 ({ \ 503 uint16_t *__ptr = (ptr); \ 504 CTASSERT(((access) & CTLTYPE) == 0 || \ 505 ((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_U16); \ 506 sysctl_add_oid(ctx, parent, nbr, name, \ 507 CTLTYPE_U16 | CTLFLAG_MPSAFE | (access), \ 508 __ptr, val, sysctl_handle_16, "SU", __DESCR(descr), NULL); \ 509 }) 510 511 /* Oid for a signed 32-bit int. If ptr is NULL, val is returned. */ 512 #define SYSCTL_NULL_S32_PTR ((int32_t *)NULL) 513 #define SYSCTL_S32(parent, nbr, name, access, ptr, val, descr) \ 514 SYSCTL_OID(parent, nbr, name, \ 515 CTLTYPE_S32 | CTLFLAG_MPSAFE | (access), \ 516 ptr, val, sysctl_handle_32, "I", descr); \ 517 CTASSERT((((access) & CTLTYPE) == 0 || \ 518 ((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_S32) && \ 519 sizeof(int32_t) == sizeof(*(ptr))) 520 521 #define SYSCTL_ADD_S32(ctx, parent, nbr, name, access, ptr, val, descr) \ 522 ({ \ 523 int32_t *__ptr = (ptr); \ 524 CTASSERT(((access) & CTLTYPE) == 0 || \ 525 ((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_S32); \ 526 sysctl_add_oid(ctx, parent, nbr, name, \ 527 CTLTYPE_S32 | CTLFLAG_MPSAFE | (access), \ 528 __ptr, val, sysctl_handle_32, "I", __DESCR(descr), NULL); \ 529 }) 530 531 /* Oid for an unsigned 32-bit int. If ptr is NULL, val is returned. */ 532 #define SYSCTL_NULL_U32_PTR ((uint32_t *)NULL) 533 #define SYSCTL_U32(parent, nbr, name, access, ptr, val, descr) \ 534 SYSCTL_OID(parent, nbr, name, \ 535 CTLTYPE_U32 | CTLFLAG_MPSAFE | (access), \ 536 ptr, val, sysctl_handle_32, "IU", descr); \ 537 CTASSERT((((access) & CTLTYPE) == 0 || \ 538 ((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_U32) && \ 539 sizeof(uint32_t) == sizeof(*(ptr))) 540 541 #define SYSCTL_ADD_U32(ctx, parent, nbr, name, access, ptr, val, descr) \ 542 ({ \ 543 uint32_t *__ptr = (ptr); \ 544 CTASSERT(((access) & CTLTYPE) == 0 || \ 545 ((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_U32); \ 546 sysctl_add_oid(ctx, parent, nbr, name, \ 547 CTLTYPE_U32 | CTLFLAG_MPSAFE | (access), \ 548 __ptr, val, sysctl_handle_32, "IU", __DESCR(descr), NULL); \ 549 }) 550 551 /* Oid for a signed 64-bit int. If ptr is NULL, val is returned. */ 552 #define SYSCTL_NULL_S64_PTR ((int64_t *)NULL) 553 #define SYSCTL_S64(parent, nbr, name, access, ptr, val, descr) \ 554 SYSCTL_OID(parent, nbr, name, \ 555 CTLTYPE_S64 | CTLFLAG_MPSAFE | (access), \ 556 ptr, val, sysctl_handle_64, "Q", descr); \ 557 CTASSERT((((access) & CTLTYPE) == 0 || \ 558 ((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_S64) && \ 559 sizeof(int64_t) == sizeof(*(ptr))) 560 561 #define SYSCTL_ADD_S64(ctx, parent, nbr, name, access, ptr, val, descr) \ 562 ({ \ 563 int64_t *__ptr = (ptr); \ 564 CTASSERT(((access) & CTLTYPE) == 0 || \ 565 ((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_S64); \ 566 sysctl_add_oid(ctx, parent, nbr, name, \ 567 CTLTYPE_S64 | CTLFLAG_MPSAFE | (access), \ 568 __ptr, val, sysctl_handle_64, "Q", __DESCR(descr), NULL); \ 569 }) 570 571 /* Oid for an unsigned 64-bit int. If ptr is NULL, val is returned. */ 572 #define SYSCTL_NULL_U64_PTR ((uint64_t *)NULL) 573 #define SYSCTL_U64(parent, nbr, name, access, ptr, val, descr) \ 574 SYSCTL_OID(parent, nbr, name, \ 575 CTLTYPE_U64 | CTLFLAG_MPSAFE | (access), \ 576 ptr, val, sysctl_handle_64, "QU", descr); \ 577 CTASSERT((((access) & CTLTYPE) == 0 || \ 578 ((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_U64) && \ 579 sizeof(uint64_t) == sizeof(*(ptr))) 580 581 #define SYSCTL_ADD_U64(ctx, parent, nbr, name, access, ptr, val, descr) \ 582 ({ \ 583 uint64_t *__ptr = (ptr); \ 584 CTASSERT(((access) & CTLTYPE) == 0 || \ 585 ((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_U64); \ 586 sysctl_add_oid(ctx, parent, nbr, name, \ 587 CTLTYPE_U64 | CTLFLAG_MPSAFE | (access), \ 588 __ptr, val, sysctl_handle_64, "QU", __DESCR(descr), NULL); \ 589 }) 590 591 /* Oid for an int. If ptr is SYSCTL_NULL_INT_PTR, val is returned. */ 592 #define SYSCTL_NULL_INT_PTR ((int *)NULL) 593 #define SYSCTL_INT(parent, nbr, name, access, ptr, val, descr) \ 594 SYSCTL_INT_WITH_LABEL(parent, nbr, name, access, ptr, val, descr, NULL) 595 596 #define SYSCTL_INT_WITH_LABEL(parent, nbr, name, access, ptr, val, descr, label) \ 597 SYSCTL_OID_WITH_LABEL(parent, nbr, name, \ 598 CTLTYPE_INT | CTLFLAG_MPSAFE | (access), \ 599 ptr, val, sysctl_handle_int, "I", descr, label); \ 600 CTASSERT((((access) & CTLTYPE) == 0 || \ 601 ((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_INT) && \ 602 sizeof(int) == sizeof(*(ptr))) 603 604 #define SYSCTL_ADD_INT(ctx, parent, nbr, name, access, ptr, val, descr) \ 605 ({ \ 606 int *__ptr = (ptr); \ 607 CTASSERT(((access) & CTLTYPE) == 0 || \ 608 ((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_INT); \ 609 sysctl_add_oid(ctx, parent, nbr, name, \ 610 CTLTYPE_INT | CTLFLAG_MPSAFE | (access), \ 611 __ptr, val, sysctl_handle_int, "I", __DESCR(descr), NULL); \ 612 }) 613 614 /* Oid for an unsigned int. If ptr is NULL, val is returned. */ 615 #define SYSCTL_NULL_UINT_PTR ((unsigned *)NULL) 616 #define SYSCTL_UINT(parent, nbr, name, access, ptr, val, descr) \ 617 SYSCTL_OID(parent, nbr, name, \ 618 CTLTYPE_UINT | CTLFLAG_MPSAFE | (access), \ 619 ptr, val, sysctl_handle_int, "IU", descr); \ 620 CTASSERT((((access) & CTLTYPE) == 0 || \ 621 ((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_UINT) && \ 622 sizeof(unsigned) == sizeof(*(ptr))) 623 624 #define SYSCTL_ADD_UINT(ctx, parent, nbr, name, access, ptr, val, descr) \ 625 ({ \ 626 unsigned *__ptr = (ptr); \ 627 CTASSERT(((access) & CTLTYPE) == 0 || \ 628 ((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_UINT); \ 629 sysctl_add_oid(ctx, parent, nbr, name, \ 630 CTLTYPE_UINT | CTLFLAG_MPSAFE | (access), \ 631 __ptr, val, sysctl_handle_int, "IU", __DESCR(descr), NULL); \ 632 }) 633 634 /* Oid for a long. The pointer must be non NULL. */ 635 #define SYSCTL_NULL_LONG_PTR ((long *)NULL) 636 #define SYSCTL_LONG(parent, nbr, name, access, ptr, val, descr) \ 637 SYSCTL_OID(parent, nbr, name, \ 638 CTLTYPE_LONG | CTLFLAG_MPSAFE | (access), \ 639 ptr, val, sysctl_handle_long, "L", descr); \ 640 CTASSERT((((access) & CTLTYPE) == 0 || \ 641 ((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_LONG) && \ 642 sizeof(long) == sizeof(*(ptr))) 643 644 #define SYSCTL_ADD_LONG(ctx, parent, nbr, name, access, ptr, descr) \ 645 ({ \ 646 long *__ptr = (ptr); \ 647 CTASSERT(((access) & CTLTYPE) == 0 || \ 648 ((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_LONG); \ 649 sysctl_add_oid(ctx, parent, nbr, name, \ 650 CTLTYPE_LONG | CTLFLAG_MPSAFE | (access), \ 651 __ptr, 0, sysctl_handle_long, "L", __DESCR(descr), NULL); \ 652 }) 653 654 /* Oid for an unsigned long. The pointer must be non NULL. */ 655 #define SYSCTL_NULL_ULONG_PTR ((unsigned long *)NULL) 656 #define SYSCTL_ULONG(parent, nbr, name, access, ptr, val, descr) \ 657 SYSCTL_OID(parent, nbr, name, \ 658 CTLTYPE_ULONG | CTLFLAG_MPSAFE | (access), \ 659 ptr, val, sysctl_handle_long, "LU", descr); \ 660 CTASSERT((((access) & CTLTYPE) == 0 || \ 661 ((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_ULONG) && \ 662 sizeof(unsigned long) == sizeof(*(ptr))) 663 664 #define SYSCTL_ADD_ULONG(ctx, parent, nbr, name, access, ptr, descr) \ 665 ({ \ 666 unsigned long *__ptr = (ptr); \ 667 CTASSERT(((access) & CTLTYPE) == 0 || \ 668 ((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_ULONG); \ 669 sysctl_add_oid(ctx, parent, nbr, name, \ 670 CTLTYPE_ULONG | CTLFLAG_MPSAFE | (access), \ 671 __ptr, 0, sysctl_handle_long, "LU", __DESCR(descr), NULL); \ 672 }) 673 674 /* Oid for a quad. The pointer must be non NULL. */ 675 #define SYSCTL_NULL_QUAD_PTR ((int64_t *)NULL) 676 #define SYSCTL_QUAD(parent, nbr, name, access, ptr, val, descr) \ 677 SYSCTL_OID(parent, nbr, name, \ 678 CTLTYPE_S64 | CTLFLAG_MPSAFE | (access), \ 679 ptr, val, sysctl_handle_64, "Q", descr); \ 680 CTASSERT((((access) & CTLTYPE) == 0 || \ 681 ((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_S64) && \ 682 sizeof(int64_t) == sizeof(*(ptr))) 683 684 #define SYSCTL_ADD_QUAD(ctx, parent, nbr, name, access, ptr, descr) \ 685 ({ \ 686 int64_t *__ptr = (ptr); \ 687 CTASSERT(((access) & CTLTYPE) == 0 || \ 688 ((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_S64); \ 689 sysctl_add_oid(ctx, parent, nbr, name, \ 690 CTLTYPE_S64 | CTLFLAG_MPSAFE | (access), \ 691 __ptr, 0, sysctl_handle_64, "Q", __DESCR(descr), NULL); \ 692 }) 693 694 #define SYSCTL_NULL_UQUAD_PTR ((uint64_t *)NULL) 695 #define SYSCTL_UQUAD(parent, nbr, name, access, ptr, val, descr) \ 696 SYSCTL_OID(parent, nbr, name, \ 697 CTLTYPE_U64 | CTLFLAG_MPSAFE | (access), \ 698 ptr, val, sysctl_handle_64, "QU", descr); \ 699 CTASSERT((((access) & CTLTYPE) == 0 || \ 700 ((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_U64) && \ 701 sizeof(uint64_t) == sizeof(*(ptr))) 702 703 #define SYSCTL_ADD_UQUAD(ctx, parent, nbr, name, access, ptr, descr) \ 704 ({ \ 705 uint64_t *__ptr = (ptr); \ 706 CTASSERT(((access) & CTLTYPE) == 0 || \ 707 ((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_U64); \ 708 sysctl_add_oid(ctx, parent, nbr, name, \ 709 CTLTYPE_U64 | CTLFLAG_MPSAFE | (access), \ 710 __ptr, 0, sysctl_handle_64, "QU", __DESCR(descr), NULL); \ 711 }) 712 713 /* Oid for a CPU dependent variable */ 714 #define SYSCTL_ADD_UAUTO(ctx, parent, nbr, name, access, ptr, descr) \ 715 ({ \ 716 struct sysctl_oid *__ret; \ 717 CTASSERT((sizeof(uint64_t) == sizeof(*(ptr)) || \ 718 sizeof(unsigned) == sizeof(*(ptr))) && \ 719 ((access) & CTLTYPE) == 0); \ 720 if (sizeof(uint64_t) == sizeof(*(ptr))) { \ 721 __ret = sysctl_add_oid(ctx, parent, nbr, name, \ 722 CTLTYPE_U64 | CTLFLAG_MPSAFE | (access), \ 723 (ptr), 0, sysctl_handle_64, "QU", \ 724 __DESCR(descr), NULL); \ 725 } else { \ 726 __ret = sysctl_add_oid(ctx, parent, nbr, name, \ 727 CTLTYPE_UINT | CTLFLAG_MPSAFE | (access), \ 728 (ptr), 0, sysctl_handle_int, "IU", \ 729 __DESCR(descr), NULL); \ 730 } \ 731 __ret; \ 732 }) 733 734 /* Oid for a 64-bit unsigned counter(9). The pointer must be non NULL. */ 735 #define SYSCTL_COUNTER_U64(parent, nbr, name, access, ptr, descr) \ 736 SYSCTL_OID(parent, nbr, name, \ 737 CTLTYPE_U64 | CTLFLAG_MPSAFE | CTLFLAG_STATS | (access), \ 738 (ptr), 0, sysctl_handle_counter_u64, "QU", descr); \ 739 CTASSERT((((access) & CTLTYPE) == 0 || \ 740 ((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_U64) && \ 741 sizeof(counter_u64_t) == sizeof(*(ptr)) && \ 742 sizeof(uint64_t) == sizeof(**(ptr))) 743 744 #define SYSCTL_ADD_COUNTER_U64(ctx, parent, nbr, name, access, ptr, descr) \ 745 ({ \ 746 counter_u64_t *__ptr = (ptr); \ 747 CTASSERT(((access) & CTLTYPE) == 0 || \ 748 ((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_U64); \ 749 sysctl_add_oid(ctx, parent, nbr, name, \ 750 CTLTYPE_U64 | CTLFLAG_MPSAFE | CTLFLAG_STATS | (access), \ 751 __ptr, 0, sysctl_handle_counter_u64, "QU", __DESCR(descr), \ 752 NULL); \ 753 }) 754 755 /* Oid for an array of counter(9)s. The pointer and length must be non zero. */ 756 #define SYSCTL_COUNTER_U64_ARRAY(parent, nbr, name, access, ptr, len, descr) \ 757 SYSCTL_OID(parent, nbr, name, \ 758 CTLTYPE_U64 | CTLFLAG_MPSAFE | CTLFLAG_STATS | (access), \ 759 (ptr), (len), sysctl_handle_counter_u64_array, "QU", descr);\ 760 CTASSERT((((access) & CTLTYPE) == 0 || \ 761 ((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_OPAQUE) && \ 762 sizeof(counter_u64_t) == sizeof(*(ptr)) && \ 763 sizeof(uint64_t) == sizeof(**(ptr))) 764 765 #define SYSCTL_ADD_COUNTER_U64_ARRAY(ctx, parent, nbr, name, access, \ 766 ptr, len, descr) \ 767 ({ \ 768 counter_u64_t *__ptr = (ptr); \ 769 CTASSERT(((access) & CTLTYPE) == 0 || \ 770 ((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_OPAQUE); \ 771 sysctl_add_oid(ctx, parent, nbr, name, \ 772 CTLTYPE_OPAQUE | CTLFLAG_MPSAFE | CTLFLAG_STATS | (access), \ 773 __ptr, len, sysctl_handle_counter_u64_array, "S", \ 774 __DESCR(descr), NULL); \ 775 }) 776 777 /* Oid for an opaque object. Specified by a pointer and a length. */ 778 #define SYSCTL_OPAQUE(parent, nbr, name, access, ptr, len, fmt, descr) \ 779 SYSCTL_OID(parent, nbr, name, \ 780 CTLTYPE_OPAQUE | CTLFLAG_MPSAFE | (access), \ 781 ptr, len, sysctl_handle_opaque, fmt, descr); \ 782 CTASSERT(((access) & CTLTYPE) == 0 || \ 783 ((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_OPAQUE) 784 785 #define SYSCTL_ADD_OPAQUE(ctx, parent, nbr, name, access, ptr, len, fmt, descr) \ 786 ({ \ 787 CTASSERT(((access) & CTLTYPE) == 0 || \ 788 ((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_OPAQUE); \ 789 sysctl_add_oid(ctx, parent, nbr, name, \ 790 CTLTYPE_OPAQUE | CTLFLAG_MPSAFE | (access), \ 791 ptr, len, sysctl_handle_opaque, fmt, __DESCR(descr), NULL); \ 792 }) 793 794 /* Oid for a struct. Specified by a pointer and a type. */ 795 #define SYSCTL_STRUCT(parent, nbr, name, access, ptr, type, descr) \ 796 SYSCTL_OID(parent, nbr, name, \ 797 CTLTYPE_OPAQUE | CTLFLAG_MPSAFE | (access), \ 798 ptr, sizeof(struct type), sysctl_handle_opaque, \ 799 "S," #type, descr); \ 800 CTASSERT(((access) & CTLTYPE) == 0 || \ 801 ((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_OPAQUE) 802 803 #define SYSCTL_ADD_STRUCT(ctx, parent, nbr, name, access, ptr, type, descr) \ 804 ({ \ 805 CTASSERT(((access) & CTLTYPE) == 0 || \ 806 ((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_OPAQUE); \ 807 sysctl_add_oid(ctx, parent, nbr, name, \ 808 CTLTYPE_OPAQUE | CTLFLAG_MPSAFE | (access), \ 809 (ptr), sizeof(struct type), \ 810 sysctl_handle_opaque, "S," #type, __DESCR(descr), NULL); \ 811 }) 812 813 /* Oid for a procedure. Specified by a pointer and an arg. */ 814 #define SYSCTL_PROC(parent, nbr, name, access, ptr, arg, handler, fmt, descr) \ 815 SYSCTL_OID(parent, nbr, name, (access), \ 816 ptr, arg, handler, fmt, descr); \ 817 CTASSERT(((access) & CTLTYPE) != 0) 818 819 #define SYSCTL_ADD_PROC(ctx, parent, nbr, name, access, ptr, arg, handler, fmt, descr) \ 820 ({ \ 821 CTASSERT(((access) & CTLTYPE) != 0); \ 822 SYSCTL_ENFORCE_FLAGS(access); \ 823 sysctl_add_oid(ctx, parent, nbr, name, (access), \ 824 (ptr), (arg), (handler), (fmt), __DESCR(descr), NULL); \ 825 }) 826 827 /* Oid to handle limits on uma(9) zone specified by pointer. */ 828 #define SYSCTL_UMA_MAX(parent, nbr, name, access, ptr, descr) \ 829 SYSCTL_OID(parent, nbr, name, \ 830 CTLTYPE_INT | CTLFLAG_MPSAFE | (access), \ 831 (ptr), 0, sysctl_handle_uma_zone_max, "I", descr); \ 832 CTASSERT(((access) & CTLTYPE) == 0 || \ 833 ((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_INT) 834 835 #define SYSCTL_ADD_UMA_MAX(ctx, parent, nbr, name, access, ptr, descr) \ 836 ({ \ 837 uma_zone_t __ptr = (ptr); \ 838 CTASSERT(((access) & CTLTYPE) == 0 || \ 839 ((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_INT); \ 840 sysctl_add_oid(ctx, parent, nbr, name, \ 841 CTLTYPE_INT | CTLFLAG_MPSAFE | (access), \ 842 __ptr, 0, sysctl_handle_uma_zone_max, "I", __DESCR(descr), \ 843 NULL); \ 844 }) 845 846 /* Oid to obtain current use of uma(9) zone specified by pointer. */ 847 #define SYSCTL_UMA_CUR(parent, nbr, name, access, ptr, descr) \ 848 SYSCTL_OID(parent, nbr, name, \ 849 CTLTYPE_INT | CTLFLAG_MPSAFE | CTLFLAG_RD | (access), \ 850 (ptr), 0, sysctl_handle_uma_zone_cur, "I", descr); \ 851 CTASSERT(((access) & CTLTYPE) == 0 || \ 852 ((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_INT) 853 854 #define SYSCTL_ADD_UMA_CUR(ctx, parent, nbr, name, access, ptr, descr) \ 855 ({ \ 856 uma_zone_t __ptr = (ptr); \ 857 CTASSERT(((access) & CTLTYPE) == 0 || \ 858 ((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_INT); \ 859 sysctl_add_oid(ctx, parent, nbr, name, \ 860 CTLTYPE_INT | CTLFLAG_MPSAFE | CTLFLAG_RD | (access), \ 861 __ptr, 0, sysctl_handle_uma_zone_cur, "I", __DESCR(descr), \ 862 NULL); \ 863 }) 864 865 /* OID expressing a sbintime_t as microseconds */ 866 #define SYSCTL_SBINTIME_USEC(parent, nbr, name, access, ptr, descr) \ 867 SYSCTL_OID(parent, nbr, name, \ 868 CTLTYPE_S64 | CTLFLAG_MPSAFE | CTLFLAG_RD | (access), \ 869 (ptr), 0, sysctl_usec_to_sbintime, "Q", descr); \ 870 CTASSERT(((access) & CTLTYPE) == 0 || \ 871 ((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_S64) 872 #define SYSCTL_ADD_SBINTIME_USEC(ctx, parent, nbr, name, access, ptr, descr) \ 873 ({ \ 874 sbintime_t *__ptr = (ptr); \ 875 CTASSERT(((access) & CTLTYPE) == 0 || \ 876 ((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_S64); \ 877 sysctl_add_oid(ctx, parent, nbr, name, \ 878 CTLTYPE_S64 | CTLFLAG_MPSAFE | CTLFLAG_RD | (access), \ 879 __ptr, 0, sysctl_usec_to_sbintime, "Q", __DESCR(descr), \ 880 NULL); \ 881 }) 882 883 /* OID expressing a sbintime_t as milliseconds */ 884 #define SYSCTL_SBINTIME_MSEC(parent, nbr, name, access, ptr, descr) \ 885 SYSCTL_OID(parent, nbr, name, \ 886 CTLTYPE_S64 | CTLFLAG_MPSAFE | CTLFLAG_RD | (access), \ 887 (ptr), 0, sysctl_msec_to_sbintime, "Q", descr); \ 888 CTASSERT(((access) & CTLTYPE) == 0 || \ 889 ((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_S64) 890 #define SYSCTL_ADD_SBINTIME_MSEC(ctx, parent, nbr, name, access, ptr, descr) \ 891 ({ \ 892 sbintime_t *__ptr = (ptr); \ 893 CTASSERT(((access) & CTLTYPE) == 0 || \ 894 ((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_S64); \ 895 sysctl_add_oid(ctx, parent, nbr, name, \ 896 CTLTYPE_S64 | CTLFLAG_MPSAFE | CTLFLAG_RD | (access), \ 897 __ptr, 0, sysctl_msec_to_sbintime, "Q", __DESCR(descr), \ 898 NULL); \ 899 }) 900 901 /* OID expressing a struct timeval as seconds */ 902 #define SYSCTL_TIMEVAL_SEC(parent, nbr, name, access, ptr, descr) \ 903 SYSCTL_OID(parent, nbr, name, \ 904 CTLTYPE_INT | CTLFLAG_MPSAFE | CTLFLAG_RD | (access), \ 905 (ptr), 0, sysctl_sec_to_timeval, "I", descr); \ 906 CTASSERT(((access) & CTLTYPE) == 0 || \ 907 ((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_INT) 908 #define SYSCTL_ADD_TIMEVAL_SEC(ctx, parent, nbr, name, access, ptr, descr) \ 909 ({ \ 910 struct timeval *__ptr = (ptr); \ 911 CTASSERT(((access) & CTLTYPE) == 0 || \ 912 ((access) & SYSCTL_CT_ASSERT_MASK) == CTLTYPE_INT); \ 913 sysctl_add_oid(ctx, parent, nbr, name, \ 914 CTLTYPE_INT | CTLFLAG_MPSAFE | CTLFLAG_RD | (access), \ 915 __ptr, 0, sysctl_sec_to_timeval, "I", __DESCR(descr), \ 916 NULL); \ 917 }) 918 919 #define SYSCTL_FOREACH(oidp, list) \ 920 RB_FOREACH(oidp, sysctl_oid_list, list) 921 922 /* 923 * A macro to generate a read-only sysctl to indicate the presence of optional 924 * kernel features. 925 */ 926 #define FEATURE(name, desc) \ 927 SYSCTL_INT_WITH_LABEL(_kern_features, OID_AUTO, name, \ 928 CTLFLAG_RD | CTLFLAG_CAPRD, SYSCTL_NULL_INT_PTR, 1, desc, "feature") 929 /* Same for the dynamic registration. */ 930 #define FEATURE_ADD(name, desc) \ 931 sysctl_add_oid(NULL, SYSCTL_CHILDREN(&sysctl___kern_features), \ 932 OID_AUTO, name, \ 933 CTLFLAG_RD | CTLFLAG_CAPRD | CTLTYPE_INT | CTLFLAG_MPSAFE, \ 934 NULL, 1, sysctl_handle_int, "I", desc, "feature"); 935 936 /* 937 * Adding new leaves to the 'debug.sizeof' MIB tree for ad-hoc reasons is 938 * discouraged, and in particular for reporting to developers the size of some 939 * kernel structures, which can be obtained by the following alternative means: 940 * 1. In GDB, load a full kernel image and use 'print(sizeof(struct XXX))'. 941 * Alternatively, use 'ptype/o struct XXX' to additionally get the offsets 942 * and size of all structure's fields. 943 * 2. If the structure is allocated from UMA, then 'vmstat -z' reports its size 944 * (the mapping between structure types and zones is usually 945 * straightforward). 946 */ 947 /* Generates a read-only sysctl reporting the size of an object/structure. */ 948 #define SYSCTL_SIZEOF(name, expr) \ 949 SYSCTL_INT(_debug_sizeof, OID_AUTO, name, CTLFLAG_RD, \ 950 SYSCTL_NULL_INT_PTR, sizeof(expr), \ 951 "sizeof(" __STRING(expr) ")"); 952 /* Same, specialized for structures. */ 953 #define SYSCTL_SIZEOF_STRUCT(struct_name) \ 954 SYSCTL_SIZEOF(struct_name, struct struct_name) 955 956 #endif /* _KERNEL */ 957 958 /* 959 * Top-level identifiers 960 */ 961 #define CTL_SYSCTL 0 /* "magic" numbers */ 962 #define CTL_KERN 1 /* "high kernel": proc, limits */ 963 #define CTL_VM 2 /* virtual memory */ 964 #define CTL_VFS 3 /* filesystem, mount type is next */ 965 #define CTL_NET 4 /* network, see socket.h */ 966 #define CTL_DEBUG 5 /* debugging parameters */ 967 #define CTL_HW 6 /* generic cpu/io */ 968 #define CTL_MACHDEP 7 /* machine dependent */ 969 #define CTL_USER 8 /* user-level */ 970 #define CTL_P1003_1B 9 /* POSIX 1003.1B */ 971 972 /* 973 * CTL_SYSCTL identifiers 974 */ 975 #define CTL_SYSCTL_DEBUG 0 /* printf all nodes */ 976 #define CTL_SYSCTL_NAME 1 /* string name of OID */ 977 #define CTL_SYSCTL_NEXT 2 /* next OID, honoring CTLFLAG_SKIP */ 978 #define CTL_SYSCTL_NAME2OID 3 /* int array of name */ 979 #define CTL_SYSCTL_OIDFMT 4 /* OID's kind and format */ 980 #define CTL_SYSCTL_OIDDESCR 5 /* OID's description */ 981 #define CTL_SYSCTL_OIDLABEL 6 /* aggregation label */ 982 #define CTL_SYSCTL_NEXTNOSKIP 7 /* next OID, ignoring CTLFLAG_SKIP */ 983 984 /* 985 * CTL_KERN identifiers 986 */ 987 #define KERN_OSTYPE 1 /* string: system version */ 988 #define KERN_OSRELEASE 2 /* string: system release */ 989 #define KERN_OSREV 3 /* int: system revision */ 990 #define KERN_VERSION 4 /* string: compile time info */ 991 #define KERN_MAXVNODES 5 /* int: max vnodes */ 992 #define KERN_MAXPROC 6 /* int: max processes */ 993 #define KERN_MAXFILES 7 /* int: max open files */ 994 #define KERN_ARGMAX 8 /* int: max arguments to exec */ 995 #define KERN_SECURELVL 9 /* int: system security level */ 996 #define KERN_HOSTNAME 10 /* string: hostname */ 997 #define KERN_HOSTID 11 /* int: host identifier */ 998 #define KERN_CLOCKRATE 12 /* struct: struct clockrate */ 999 /* was: #define KERN_VNODE 13 ; disabled in 2003 and removed in 2023 */ 1000 #define KERN_PROC 14 /* struct: process entries */ 1001 #define KERN_FILE 15 /* struct: file entries */ 1002 #define KERN_PROF 16 /* node: kernel profiling info */ 1003 #define KERN_POSIX1 17 /* int: POSIX.1 version */ 1004 #define KERN_NGROUPS 18 /* int: # of supplemental group ids */ 1005 #define KERN_JOB_CONTROL 19 /* int: is job control available */ 1006 #define KERN_SAVED_IDS 20 /* int: saved set-user/group-ID */ 1007 #define KERN_BOOTTIME 21 /* struct: time kernel was booted */ 1008 #define KERN_NISDOMAINNAME 22 /* string: YP domain name */ 1009 #define KERN_UPDATEINTERVAL 23 /* int: update process sleep time */ 1010 #define KERN_OSRELDATE 24 /* int: kernel release date */ 1011 #define KERN_NTP_PLL 25 /* node: NTP PLL control */ 1012 #define KERN_BOOTFILE 26 /* string: name of booted kernel */ 1013 #define KERN_MAXFILESPERPROC 27 /* int: max open files per proc */ 1014 #define KERN_MAXPROCPERUID 28 /* int: max processes per uid */ 1015 #define KERN_DUMPDEV 29 /* struct cdev *: device to dump on */ 1016 #define KERN_IPC 30 /* node: anything related to IPC */ 1017 #define KERN_DUMMY 31 /* unused */ 1018 #define KERN_PS_STRINGS 32 /* int: address of PS_STRINGS */ 1019 #define KERN_USRSTACK 33 /* int: address of USRSTACK */ 1020 #define KERN_LOGSIGEXIT 34 /* int: do we log sigexit procs? */ 1021 #define KERN_IOV_MAX 35 /* int: value of UIO_MAXIOV */ 1022 #define KERN_HOSTUUID 36 /* string: host UUID identifier */ 1023 #define KERN_ARND 37 /* int: from arc4rand() */ 1024 #define KERN_MAXPHYS 38 /* int: MAXPHYS value */ 1025 #define KERN_LOCKF 39 /* struct: lockf reports */ 1026 /* 1027 * KERN_PROC subtypes 1028 */ 1029 #define KERN_PROC_ALL 0 /* everything */ 1030 #define KERN_PROC_PID 1 /* by process id */ 1031 #define KERN_PROC_PGRP 2 /* by process group id */ 1032 #define KERN_PROC_SESSION 3 /* by session of pid */ 1033 #define KERN_PROC_TTY 4 /* by controlling tty */ 1034 #define KERN_PROC_UID 5 /* by effective uid */ 1035 #define KERN_PROC_RUID 6 /* by real uid */ 1036 #define KERN_PROC_ARGS 7 /* get/set arguments/proctitle */ 1037 #define KERN_PROC_PROC 8 /* only return procs */ 1038 #define KERN_PROC_SV_NAME 9 /* get syscall vector name */ 1039 #define KERN_PROC_RGID 10 /* by real group id */ 1040 #define KERN_PROC_GID 11 /* by effective group id */ 1041 #define KERN_PROC_PATHNAME 12 /* path to executable */ 1042 #define KERN_PROC_OVMMAP 13 /* Old VM map entries for process */ 1043 #define KERN_PROC_OFILEDESC 14 /* Old file descriptors for process */ 1044 #define KERN_PROC_KSTACK 15 /* Kernel stacks for process */ 1045 #define KERN_PROC_INC_THREAD 0x10 /* 1046 * modifier for pid, pgrp, tty, 1047 * uid, ruid, gid, rgid and proc 1048 * This effectively uses 16-31 1049 */ 1050 #define KERN_PROC_VMMAP 32 /* VM map entries for process */ 1051 #define KERN_PROC_FILEDESC 33 /* File descriptors for process */ 1052 #define KERN_PROC_GROUPS 34 /* process groups */ 1053 #define KERN_PROC_ENV 35 /* get environment */ 1054 #define KERN_PROC_AUXV 36 /* get ELF auxiliary vector */ 1055 #define KERN_PROC_RLIMIT 37 /* process resource limits */ 1056 #define KERN_PROC_PS_STRINGS 38 /* get ps_strings location */ 1057 #define KERN_PROC_UMASK 39 /* process umask */ 1058 #define KERN_PROC_OSREL 40 /* osreldate for process binary */ 1059 #define KERN_PROC_SIGTRAMP 41 /* signal trampoline location */ 1060 #define KERN_PROC_CWD 42 /* process current working directory */ 1061 #define KERN_PROC_NFDS 43 /* number of open file descriptors */ 1062 #define KERN_PROC_SIGFASTBLK 44 /* address of fastsigblk magic word */ 1063 #define KERN_PROC_VM_LAYOUT 45 /* virtual address space layout info */ 1064 #define KERN_PROC_RLIMIT_USAGE 46 /* array of rlim_t */ 1065 #define KERN_PROC_KQUEUE 47 /* array of struct kinfo_knote */ 1066 1067 /* 1068 * KERN_IPC identifiers 1069 */ 1070 #define KIPC_MAXSOCKBUF 1 /* int: max size of a socket buffer */ 1071 #define KIPC_SOCKBUF_WASTE 2 /* int: wastage factor in sockbuf */ 1072 #define KIPC_SOMAXCONN 3 /* int: max length of connection q */ 1073 #define KIPC_MAX_LINKHDR 4 /* int: max length of link header */ 1074 #define KIPC_MAX_PROTOHDR 5 /* int: max length of network header */ 1075 #define KIPC_MAX_HDR 6 /* int: max total length of headers */ 1076 #define KIPC_MAX_DATALEN 7 /* int: max length of data? */ 1077 1078 /* 1079 * CTL_HW identifiers 1080 */ 1081 #define HW_MACHINE 1 /* string: machine class */ 1082 #define HW_MODEL 2 /* string: specific machine model */ 1083 #define HW_NCPU 3 /* int: number of cpus */ 1084 #define HW_BYTEORDER 4 /* int: machine byte order */ 1085 #define HW_PHYSMEM 5 /* int: total memory */ 1086 #define HW_USERMEM 6 /* int: non-kernel memory */ 1087 #define HW_PAGESIZE 7 /* int: software page size */ 1088 #define HW_DISKNAMES 8 /* strings: disk drive names */ 1089 #define HW_DISKSTATS 9 /* struct: diskstats[] */ 1090 #define HW_FLOATINGPT 10 /* int: has HW floating point? */ 1091 #define HW_MACHINE_ARCH 11 /* string: machine architecture */ 1092 #define HW_REALMEM 12 /* int: 'real' memory */ 1093 1094 /* 1095 * CTL_USER definitions 1096 */ 1097 #define USER_CS_PATH 1 /* string: _CS_PATH */ 1098 #define USER_BC_BASE_MAX 2 /* int: BC_BASE_MAX */ 1099 #define USER_BC_DIM_MAX 3 /* int: BC_DIM_MAX */ 1100 #define USER_BC_SCALE_MAX 4 /* int: BC_SCALE_MAX */ 1101 #define USER_BC_STRING_MAX 5 /* int: BC_STRING_MAX */ 1102 #define USER_COLL_WEIGHTS_MAX 6 /* int: COLL_WEIGHTS_MAX */ 1103 #define USER_EXPR_NEST_MAX 7 /* int: EXPR_NEST_MAX */ 1104 #define USER_LINE_MAX 8 /* int: LINE_MAX */ 1105 #define USER_RE_DUP_MAX 9 /* int: RE_DUP_MAX */ 1106 #define USER_POSIX2_VERSION 10 /* int: POSIX2_VERSION */ 1107 #define USER_POSIX2_C_BIND 11 /* int: POSIX2_C_BIND */ 1108 #define USER_POSIX2_C_DEV 12 /* int: POSIX2_C_DEV */ 1109 #define USER_POSIX2_CHAR_TERM 13 /* int: POSIX2_CHAR_TERM */ 1110 #define USER_POSIX2_FORT_DEV 14 /* int: POSIX2_FORT_DEV */ 1111 #define USER_POSIX2_FORT_RUN 15 /* int: POSIX2_FORT_RUN */ 1112 #define USER_POSIX2_LOCALEDEF 16 /* int: POSIX2_LOCALEDEF */ 1113 #define USER_POSIX2_SW_DEV 17 /* int: POSIX2_SW_DEV */ 1114 #define USER_POSIX2_UPE 18 /* int: POSIX2_UPE */ 1115 #define USER_STREAM_MAX 19 /* int: POSIX2_STREAM_MAX */ 1116 #define USER_TZNAME_MAX 20 /* int: POSIX2_TZNAME_MAX */ 1117 #define USER_LOCALBASE 21 /* string: _PATH_LOCALBASE */ 1118 1119 #define CTL_P1003_1B_ASYNCHRONOUS_IO 1 /* boolean */ 1120 #define CTL_P1003_1B_MAPPED_FILES 2 /* boolean */ 1121 #define CTL_P1003_1B_MEMLOCK 3 /* boolean */ 1122 #define CTL_P1003_1B_MEMLOCK_RANGE 4 /* boolean */ 1123 #define CTL_P1003_1B_MEMORY_PROTECTION 5 /* boolean */ 1124 #define CTL_P1003_1B_MESSAGE_PASSING 6 /* boolean */ 1125 #define CTL_P1003_1B_PRIORITIZED_IO 7 /* boolean */ 1126 #define CTL_P1003_1B_PRIORITY_SCHEDULING 8 /* boolean */ 1127 #define CTL_P1003_1B_REALTIME_SIGNALS 9 /* boolean */ 1128 #define CTL_P1003_1B_SEMAPHORES 10 /* boolean */ 1129 #define CTL_P1003_1B_FSYNC 11 /* boolean */ 1130 #define CTL_P1003_1B_SHARED_MEMORY_OBJECTS 12 /* boolean */ 1131 #define CTL_P1003_1B_SYNCHRONIZED_IO 13 /* boolean */ 1132 #define CTL_P1003_1B_TIMERS 14 /* boolean */ 1133 #define CTL_P1003_1B_AIO_LISTIO_MAX 15 /* int */ 1134 #define CTL_P1003_1B_AIO_MAX 16 /* int */ 1135 #define CTL_P1003_1B_AIO_PRIO_DELTA_MAX 17 /* int */ 1136 #define CTL_P1003_1B_DELAYTIMER_MAX 18 /* int */ 1137 #define CTL_P1003_1B_MQ_OPEN_MAX 19 /* int */ 1138 #define CTL_P1003_1B_PAGESIZE 20 /* int */ 1139 #define CTL_P1003_1B_RTSIG_MAX 21 /* int */ 1140 #define CTL_P1003_1B_SEM_NSEMS_MAX 22 /* int */ 1141 #define CTL_P1003_1B_SEM_VALUE_MAX 23 /* int */ 1142 #define CTL_P1003_1B_SIGQUEUE_MAX 24 /* int */ 1143 #define CTL_P1003_1B_TIMER_MAX 25 /* int */ 1144 1145 #ifdef _KERNEL 1146 1147 #define CTL_P1003_1B_MAXID 26 1148 1149 /* 1150 * Declare some common oids. 1151 */ 1152 extern struct sysctl_oid_list sysctl__children; 1153 SYSCTL_DECL(_kern); 1154 SYSCTL_DECL(_kern_features); 1155 SYSCTL_DECL(_kern_ipc); 1156 SYSCTL_DECL(_kern_proc); 1157 SYSCTL_DECL(_kern_sched); 1158 SYSCTL_DECL(_kern_sched_stats); 1159 SYSCTL_DECL(_sysctl); 1160 SYSCTL_DECL(_vm); 1161 SYSCTL_DECL(_vm_stats); 1162 SYSCTL_DECL(_vm_stats_misc); 1163 SYSCTL_DECL(_vfs); 1164 SYSCTL_DECL(_net); 1165 SYSCTL_DECL(_debug); 1166 SYSCTL_DECL(_debug_sizeof); 1167 SYSCTL_DECL(_dev); 1168 SYSCTL_DECL(_hw); 1169 SYSCTL_DECL(_hw_bus); 1170 SYSCTL_DECL(_hw_bus_devices); 1171 SYSCTL_DECL(_machdep); 1172 SYSCTL_DECL(_machdep_mitigations); 1173 SYSCTL_DECL(_user); 1174 SYSCTL_DECL(_compat); 1175 SYSCTL_DECL(_regression); 1176 SYSCTL_DECL(_security); 1177 SYSCTL_DECL(_security_bsd); 1178 1179 extern const char machine[]; 1180 extern const char osrelease[]; 1181 extern const char ostype[]; 1182 extern const char kern_ident[]; 1183 1184 /* Dynamic oid handling */ 1185 struct sysctl_oid *sysctl_add_oid(struct sysctl_ctx_list *clist, 1186 struct sysctl_oid_list *parent, int nbr, const char *name, int kind, 1187 void *arg1, intmax_t arg2, int (*handler)(SYSCTL_HANDLER_ARGS), 1188 const char *fmt, const char *descr, const char *label); 1189 int sysctl_remove_name(struct sysctl_oid *parent, const char *name, int del, 1190 int recurse); 1191 void sysctl_rename_oid(struct sysctl_oid *oidp, const char *name); 1192 int sysctl_move_oid(struct sysctl_oid *oidp, 1193 struct sysctl_oid_list *parent); 1194 int sysctl_remove_oid(struct sysctl_oid *oidp, int del, int recurse); 1195 int sysctl_ctx_init(struct sysctl_ctx_list *clist); 1196 int sysctl_ctx_free(struct sysctl_ctx_list *clist); 1197 struct sysctl_ctx_entry *sysctl_ctx_entry_add(struct sysctl_ctx_list *clist, 1198 struct sysctl_oid *oidp); 1199 struct sysctl_ctx_entry *sysctl_ctx_entry_find(struct sysctl_ctx_list *clist, 1200 struct sysctl_oid *oidp); 1201 int sysctl_ctx_entry_del(struct sysctl_ctx_list *clist, 1202 struct sysctl_oid *oidp); 1203 1204 int kernel_sysctl(struct thread *td, int *name, u_int namelen, void *old, 1205 size_t *oldlenp, void *new, size_t newlen, size_t *retval, 1206 int flags); 1207 int kernel_sysctlbyname(struct thread *td, char *name, void *old, 1208 size_t *oldlenp, void *new, size_t newlen, size_t *retval, 1209 int flags); 1210 int userland_sysctl(struct thread *td, int *name, u_int namelen, void *old, 1211 size_t *oldlenp, int inkernel, const void *new, size_t newlen, 1212 size_t *retval, int flags); 1213 int sysctl_find_oid(int *name, u_int namelen, struct sysctl_oid **noid, 1214 int *nindx, struct sysctl_req *req); 1215 void sysctl_wlock(void); 1216 void sysctl_wunlock(void); 1217 int sysctl_wire_old_buffer(struct sysctl_req *req, size_t len); 1218 int kern___sysctlbyname(struct thread *td, const char *name, 1219 size_t namelen, void *old, size_t *oldlenp, void *new, 1220 size_t newlen, size_t *retval, int flags, bool inkernel); 1221 1222 struct sbuf; 1223 struct sbuf *sbuf_new_for_sysctl(struct sbuf *, char *, int, 1224 struct sysctl_req *); 1225 #else /* !_KERNEL */ 1226 #include <sys/cdefs.h> 1227 #include <sys/_types.h> 1228 #ifndef _SIZE_T_DECLARED 1229 typedef __size_t size_t; 1230 #define _SIZE_T_DECLARED 1231 #endif 1232 1233 __BEGIN_DECLS 1234 int sysctl(const int *, unsigned int, void *, size_t *, const void *, size_t); 1235 int sysctlbyname(const char *, void *, size_t *, const void *, size_t); 1236 int sysctlnametomib(const char *, int *, size_t *); 1237 __END_DECLS 1238 #endif /* _KERNEL */ 1239 1240 #endif /* !_SYS_SYSCTL_H_ */ 1241