1 /* $NetBSD: sysctl.h,v 1.203 2012/10/14 20:56:55 christos Exp $ */ 2 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 * @(#)sysctl.h 8.1 (Berkeley) 6/2/93 35 */ 36 37 #ifndef _SYS_SYSCTL_H_ 38 #define _SYS_SYSCTL_H_ 39 40 /* 41 * These are for the eproc structure defined below. 42 */ 43 #include <sys/param.h> /* precautionary upon removal from ucred.h */ 44 #include <sys/time.h> 45 #include <sys/ucred.h> 46 #include <sys/ucontext.h> 47 #include <sys/proc.h> 48 #include <sys/mallocvar.h> 49 #include <uvm/uvm_extern.h> 50 51 52 /* For offsetof() */ 53 #if defined(_KERNEL) || defined(_STANDALONE) 54 #include <sys/systm.h> 55 #else 56 #include <stddef.h> 57 #include <stdbool.h> 58 #endif 59 60 #ifdef _KERNEL 61 #include <sys/cprng.h> 62 #endif 63 64 /* 65 * Definitions for sysctl call. The sysctl call uses a hierarchical name 66 * for objects that can be examined or modified. The name is expressed as 67 * a sequence of integers. Like a file path name, the meaning of each 68 * component depends on its place in the hierarchy. The top-level and kern 69 * identifiers are defined here, and other identifiers are defined in the 70 * respective subsystem header files. 71 */ 72 73 #define CTL_MAXNAME 12 /* largest number of components supported */ 74 #define SYSCTL_NAMELEN 32 /* longest name allowed for a node */ 75 76 #define CREATE_BASE (1024) /* start of dynamic mib allocation */ 77 #define SYSCTL_DEFSIZE 8 /* initial size of a child set */ 78 79 /* 80 * Each subsystem defined by sysctl defines a list of variables 81 * for that subsystem. Each name is either a node with further 82 * levels defined below it, or it is a leaf of some particular 83 * type given below. Each sysctl level defines a set of name/type 84 * pairs to be used by sysctl(1) in manipulating the subsystem. 85 */ 86 struct ctlname { 87 const char *ctl_name; /* subsystem name */ 88 int ctl_type; /* type of name */ 89 }; 90 #define CTLTYPE_NODE 1 /* name is a node */ 91 #define CTLTYPE_INT 2 /* name describes an integer */ 92 #define CTLTYPE_STRING 3 /* name describes a string */ 93 #define CTLTYPE_QUAD 4 /* name describes a 64-bit number */ 94 #define CTLTYPE_STRUCT 5 /* name describes a structure */ 95 #define CTLTYPE_BOOL 6 /* name describes a bool */ 96 97 #ifdef _LP64 98 #define CTLTYPE_LONG CTLTYPE_QUAD 99 #else 100 #define CTLTYPE_LONG CTLTYPE_INT 101 #endif 102 103 /* 104 * Flags that apply to each node, governing access and other features 105 */ 106 #define CTLFLAG_READONLY 0x00000000 107 /* #define CTLFLAG_UNUSED1 0x00000010 */ 108 /* #define CTLFLAG_UNUSED2 0x00000020 */ 109 /* #define CTLFLAG_READ* 0x00000040 */ 110 #define CTLFLAG_READWRITE 0x00000070 111 #define CTLFLAG_ANYWRITE 0x00000080 112 #define CTLFLAG_PRIVATE 0x00000100 113 #define CTLFLAG_PERMANENT 0x00000200 114 #define CTLFLAG_OWNDATA 0x00000400 115 #define CTLFLAG_IMMEDIATE 0x00000800 116 #define CTLFLAG_HEX 0x00001000 117 #define CTLFLAG_ROOT 0x00002000 118 #define CTLFLAG_ANYNUMBER 0x00004000 119 #define CTLFLAG_HIDDEN 0x00008000 120 #define CTLFLAG_ALIAS 0x00010000 121 #define CTLFLAG_MMAP 0x00020000 122 #define CTLFLAG_OWNDESC 0x00040000 123 #define CTLFLAG_UNSIGNED 0x00080000 124 125 /* 126 * sysctl API version 127 */ 128 #define SYSCTL_VERS_MASK 0xff000000 129 #define SYSCTL_VERS_0 0x00000000 130 #define SYSCTL_VERS_1 0x01000000 131 #define SYSCTL_VERSION SYSCTL_VERS_1 132 #define SYSCTL_VERS(f) ((f) & SYSCTL_VERS_MASK) 133 134 /* 135 * Flags that can be set by a create request from user-space 136 */ 137 #define SYSCTL_USERFLAGS (CTLFLAG_READWRITE|\ 138 CTLFLAG_ANYWRITE|\ 139 CTLFLAG_PRIVATE|\ 140 CTLFLAG_OWNDATA|\ 141 CTLFLAG_IMMEDIATE|\ 142 CTLFLAG_HEX|\ 143 CTLFLAG_HIDDEN) 144 145 /* 146 * Accessor macros 147 */ 148 #define SYSCTL_TYPEMASK 0x0000000f 149 #define SYSCTL_TYPE(x) ((x) & SYSCTL_TYPEMASK) 150 #define SYSCTL_FLAGMASK 0x00fffff0 151 #define SYSCTL_FLAGS(x) ((x) & SYSCTL_FLAGMASK) 152 153 /* 154 * Meta-identifiers 155 */ 156 #define CTL_EOL -1 /* end of createv/destroyv list */ 157 #define CTL_QUERY -2 /* enumerates children of a node */ 158 #define CTL_CREATE -3 /* node create request */ 159 #define CTL_CREATESYM -4 /* node create request with symbol */ 160 #define CTL_DESTROY -5 /* node destroy request */ 161 #define CTL_MMAP -6 /* mmap request */ 162 #define CTL_DESCRIBE -7 /* get node descriptions */ 163 164 /* 165 * Top-level identifiers 166 */ 167 #define CTL_UNSPEC 0 /* unused */ 168 #define CTL_KERN 1 /* "high kernel": proc, limits */ 169 #define CTL_VM 2 /* virtual memory */ 170 #define CTL_VFS 3 /* file system, mount type is next */ 171 #define CTL_NET 4 /* network, see socket.h */ 172 #define CTL_DEBUG 5 /* debugging parameters */ 173 #define CTL_HW 6 /* generic CPU/io */ 174 #define CTL_MACHDEP 7 /* machine dependent */ 175 #define CTL_USER 8 /* user-level */ 176 #define CTL_DDB 9 /* in-kernel debugger */ 177 #define CTL_PROC 10 /* per-proc attr */ 178 #define CTL_VENDOR 11 /* vendor-specific data */ 179 #define CTL_EMUL 12 /* emulation-specific data */ 180 #define CTL_SECURITY 13 /* security */ 181 #define CTL_MAXID 14 /* number of valid top-level ids */ 182 183 /* 184 * The "vendor" toplevel name is to be used by vendors who wish to 185 * have their own private MIB tree. If you do that, please use 186 * vendor.<yourname>.* 187 */ 188 189 /* 190 * CTL_KERN identifiers 191 */ 192 #define KERN_OSTYPE 1 /* string: system version */ 193 #define KERN_OSRELEASE 2 /* string: system release */ 194 #define KERN_OSREV 3 /* int: system revision */ 195 #define KERN_VERSION 4 /* string: compile time info */ 196 #define KERN_MAXVNODES 5 /* int: max vnodes */ 197 #define KERN_MAXPROC 6 /* int: max processes */ 198 #define KERN_MAXFILES 7 /* int: max open files */ 199 #define KERN_ARGMAX 8 /* int: max arguments to exec */ 200 #define KERN_SECURELVL 9 /* int: system security level */ 201 #define KERN_HOSTNAME 10 /* string: hostname */ 202 #define KERN_HOSTID 11 /* int: host identifier */ 203 #define KERN_CLOCKRATE 12 /* struct: struct clockinfo */ 204 #define KERN_VNODE 13 /* struct: vnode structures */ 205 #define KERN_PROC 14 /* struct: process entries */ 206 #define KERN_FILE 15 /* struct: file entries */ 207 #define KERN_PROF 16 /* node: kernel profiling info */ 208 #define KERN_POSIX1 17 /* int: POSIX.1 version */ 209 #define KERN_NGROUPS 18 /* int: # of supplemental group ids */ 210 #define KERN_JOB_CONTROL 19 /* int: is job control available */ 211 #define KERN_SAVED_IDS 20 /* int: saved set-user/group-ID */ 212 #define KERN_OBOOTTIME 21 /* struct: time kernel was booted */ 213 #define KERN_DOMAINNAME 22 /* string: (YP) domainname */ 214 #define KERN_MAXPARTITIONS 23 /* int: number of partitions/disk */ 215 #define KERN_RAWPARTITION 24 /* int: raw partition number */ 216 #define KERN_NTPTIME 25 /* struct: extended-precision time */ 217 #define KERN_TIMEX 26 /* struct: ntp timekeeping state */ 218 #define KERN_AUTONICETIME 27 /* int: proc time before autonice */ 219 #define KERN_AUTONICEVAL 28 /* int: auto nice value */ 220 #define KERN_RTC_OFFSET 29 /* int: offset of rtc from gmt */ 221 #define KERN_ROOT_DEVICE 30 /* string: root device */ 222 #define KERN_MSGBUFSIZE 31 /* int: max # of chars in msg buffer */ 223 #define KERN_FSYNC 32 /* int: file synchronization support */ 224 #define KERN_OLDSYSVMSG 33 /* old: SysV message queue suppoprt */ 225 #define KERN_OLDSYSVSEM 34 /* old: SysV semaphore support */ 226 #define KERN_OLDSYSVSHM 35 /* old: SysV shared memory support */ 227 #define KERN_OLDSHORTCORENAME 36 /* old, unimplemented */ 228 #define KERN_SYNCHRONIZED_IO 37 /* int: POSIX synchronized I/O */ 229 #define KERN_IOV_MAX 38 /* int: max iovec's for readv(2) etc. */ 230 #define KERN_MBUF 39 /* node: mbuf parameters */ 231 #define KERN_MAPPED_FILES 40 /* int: POSIX memory mapped files */ 232 #define KERN_MEMLOCK 41 /* int: POSIX memory locking */ 233 #define KERN_MEMLOCK_RANGE 42 /* int: POSIX memory range locking */ 234 #define KERN_MEMORY_PROTECTION 43 /* int: POSIX memory protections */ 235 #define KERN_LOGIN_NAME_MAX 44 /* int: max length login name + NUL */ 236 #define KERN_DEFCORENAME 45 /* old: sort core name format */ 237 #define KERN_LOGSIGEXIT 46 /* int: log signalled processes */ 238 #define KERN_PROC2 47 /* struct: process entries */ 239 #define KERN_PROC_ARGS 48 /* struct: process argv/env */ 240 #define KERN_FSCALE 49 /* int: fixpt FSCALE */ 241 #define KERN_CCPU 50 /* old: fixpt ccpu */ 242 #define KERN_CP_TIME 51 /* struct: CPU time counters */ 243 #define KERN_OLDSYSVIPC_INFO 52 /* old: number of valid kern ids */ 244 #define KERN_MSGBUF 53 /* kernel message buffer */ 245 #define KERN_CONSDEV 54 /* dev_t: console terminal device */ 246 #define KERN_MAXPTYS 55 /* int: maximum number of ptys */ 247 #define KERN_PIPE 56 /* node: pipe limits */ 248 #define KERN_MAXPHYS 57 /* int: kernel value of MAXPHYS */ 249 #define KERN_SBMAX 58 /* int: max socket buffer size */ 250 #define KERN_TKSTAT 59 /* tty in/out counters */ 251 #define KERN_MONOTONIC_CLOCK 60 /* int: POSIX monotonic clock */ 252 #define KERN_URND 61 /* int: random integer from urandom */ 253 #define KERN_LABELSECTOR 62 /* int: disklabel sector */ 254 #define KERN_LABELOFFSET 63 /* int: offset of label within sector */ 255 #define KERN_LWP 64 /* struct: lwp entries */ 256 #define KERN_FORKFSLEEP 65 /* int: sleep length on failed fork */ 257 #define KERN_POSIX_THREADS 66 /* int: POSIX Threads option */ 258 #define KERN_POSIX_SEMAPHORES 67 /* int: POSIX Semaphores option */ 259 #define KERN_POSIX_BARRIERS 68 /* int: POSIX Barriers option */ 260 #define KERN_POSIX_TIMERS 69 /* int: POSIX Timers option */ 261 #define KERN_POSIX_SPIN_LOCKS 70 /* int: POSIX Spin Locks option */ 262 #define KERN_POSIX_READER_WRITER_LOCKS 71 /* int: POSIX R/W Locks option */ 263 #define KERN_DUMP_ON_PANIC 72 /* int: dump on panic */ 264 #define KERN_SOMAXKVA 73 /* int: max socket kernel virtual mem */ 265 #define KERN_ROOT_PARTITION 74 /* int: root partition */ 266 #define KERN_DRIVERS 75 /* struct: driver names and majors #s */ 267 #define KERN_BUF 76 /* struct: buffers */ 268 #define KERN_FILE2 77 /* struct: file entries */ 269 #define KERN_VERIEXEC 78 /* node: verified exec */ 270 #define KERN_CP_ID 79 /* struct: cpu id numbers */ 271 #define KERN_HARDCLOCK_TICKS 80 /* int: number of hardclock ticks */ 272 #define KERN_ARND 81 /* void *buf, size_t siz random */ 273 #define KERN_SYSVIPC 82 /* node: SysV IPC parameters */ 274 #define KERN_BOOTTIME 83 /* struct: time kernel was booted */ 275 #define KERN_EVCNT 84 /* struct: evcnts */ 276 #define KERN_MAXID 85 /* number of valid kern ids */ 277 278 279 #define CTL_KERN_NAMES { \ 280 { 0, 0 }, \ 281 { "ostype", CTLTYPE_STRING }, \ 282 { "osrelease", CTLTYPE_STRING }, \ 283 { "osrevision", CTLTYPE_INT }, \ 284 { "version", CTLTYPE_STRING }, \ 285 { "maxvnodes", CTLTYPE_INT }, \ 286 { "maxproc", CTLTYPE_INT }, \ 287 { "maxfiles", CTLTYPE_INT }, \ 288 { "argmax", CTLTYPE_INT }, \ 289 { "securelevel", CTLTYPE_INT }, \ 290 { "hostname", CTLTYPE_STRING }, \ 291 { "hostid", CTLTYPE_INT }, \ 292 { "clockrate", CTLTYPE_STRUCT }, \ 293 { "vnode", CTLTYPE_STRUCT }, \ 294 { "proc", CTLTYPE_STRUCT }, \ 295 { "file", CTLTYPE_STRUCT }, \ 296 { "profiling", CTLTYPE_NODE }, \ 297 { "posix1version", CTLTYPE_INT }, \ 298 { "ngroups", CTLTYPE_INT }, \ 299 { "job_control", CTLTYPE_INT }, \ 300 { "saved_ids", CTLTYPE_INT }, \ 301 { 0, 0 }, \ 302 { "domainname", CTLTYPE_STRING }, \ 303 { "maxpartitions", CTLTYPE_INT }, \ 304 { "rawpartition", CTLTYPE_INT }, \ 305 { "ntptime", CTLTYPE_STRUCT }, \ 306 { "timex", CTLTYPE_STRUCT }, \ 307 { "autonicetime", CTLTYPE_INT }, \ 308 { "autoniceval", CTLTYPE_INT }, \ 309 { "rtc_offset", CTLTYPE_INT }, \ 310 { "root_device", CTLTYPE_STRING }, \ 311 { "msgbufsize", CTLTYPE_INT }, \ 312 { "fsync", CTLTYPE_INT }, \ 313 { 0, 0 }, \ 314 { 0, 0 }, \ 315 { 0, 0 }, \ 316 { 0, 0 }, \ 317 { "synchronized_io", CTLTYPE_INT }, \ 318 { "iov_max", CTLTYPE_INT }, \ 319 { "mbuf", CTLTYPE_NODE }, \ 320 { "mapped_files", CTLTYPE_INT }, \ 321 { "memlock", CTLTYPE_INT }, \ 322 { "memlock_range", CTLTYPE_INT }, \ 323 { "memory_protection", CTLTYPE_INT }, \ 324 { "login_name_max", CTLTYPE_INT }, \ 325 { "defcorename", CTLTYPE_STRING }, \ 326 { "logsigexit", CTLTYPE_INT }, \ 327 { "proc2", CTLTYPE_STRUCT }, \ 328 { "proc_args", CTLTYPE_STRING }, \ 329 { "fscale", CTLTYPE_INT }, \ 330 { 0, 0 }, \ 331 { "cp_time", CTLTYPE_STRUCT }, \ 332 { 0, 0 }, \ 333 { "msgbuf", CTLTYPE_STRUCT }, \ 334 { "consdev", CTLTYPE_STRUCT }, \ 335 { "maxptys", CTLTYPE_INT }, \ 336 { "pipe", CTLTYPE_NODE }, \ 337 { "maxphys", CTLTYPE_INT }, \ 338 { "sbmax", CTLTYPE_INT }, \ 339 { "tkstat", CTLTYPE_NODE }, \ 340 { "monotonic_clock", CTLTYPE_INT }, \ 341 { "urandom", CTLTYPE_INT }, \ 342 { "labelsector", CTLTYPE_INT }, \ 343 { "labeloffset", CTLTYPE_INT }, \ 344 { "lwp", CTLTYPE_STRUCT }, \ 345 { "forkfsleep", CTLTYPE_INT }, \ 346 { "posix_threads", CTLTYPE_INT }, \ 347 { "posix_semaphores", CTLTYPE_INT }, \ 348 { "posix_barriers", CTLTYPE_INT }, \ 349 { "posix_timers", CTLTYPE_INT }, \ 350 { "posix_spin_locks", CTLTYPE_INT }, \ 351 { "posix_reader_writer_locks", CTLTYPE_INT }, \ 352 { "dump_on_panic", CTLTYPE_INT}, \ 353 { "somaxkva", CTLTYPE_INT}, \ 354 { "root_partition", CTLTYPE_INT}, \ 355 { "drivers", CTLTYPE_STRUCT }, \ 356 { "buf", CTLTYPE_NODE }, \ 357 { "file2", CTLTYPE_STRUCT }, \ 358 { "veriexec", CTLTYPE_NODE }, \ 359 { "cp_id", CTLTYPE_STRUCT }, \ 360 { "hardclock_ticks", CTLTYPE_INT }, \ 361 { "arandom", CTLTYPE_STRUCT }, \ 362 { "sysvipc", CTLTYPE_STRUCT }, \ 363 { "boottime", CTLTYPE_STRUCT }, \ 364 { "evcnt", CTLTYPE_STRUCT }, \ 365 } 366 367 /* 368 * KERN_CLOCKRATE structure 369 */ 370 struct clockinfo { 371 int hz; /* clock frequency */ 372 int tick; /* micro-seconds per hz tick */ 373 int tickadj; /* clock skew rate for adjtime() */ 374 int stathz; /* statistics clock frequency */ 375 int profhz; /* profiling clock frequency */ 376 }; 377 378 /* 379 * KERN_PROC subtypes 380 */ 381 #define KERN_PROC_ALL 0 /* everything */ 382 #define KERN_PROC_PID 1 /* by process id */ 383 #define KERN_PROC_PGRP 2 /* by process group id */ 384 #define KERN_PROC_SESSION 3 /* by session of pid */ 385 #define KERN_PROC_TTY 4 /* by controlling tty */ 386 #define KERN_PROC_UID 5 /* by effective uid */ 387 #define KERN_PROC_RUID 6 /* by real uid */ 388 #define KERN_PROC_GID 7 /* by effective gid */ 389 #define KERN_PROC_RGID 8 /* by real gid */ 390 391 /* 392 * KERN_PROC_TTY sub-subtypes 393 */ 394 #define KERN_PROC_TTY_NODEV NODEV /* no controlling tty */ 395 #define KERN_PROC_TTY_REVOKE ((dev_t)-2) /* revoked tty */ 396 397 struct ki_pcred { 398 void *p_pad; 399 uid_t p_ruid; /* Real user id */ 400 uid_t p_svuid; /* Saved effective user id */ 401 gid_t p_rgid; /* Real group id */ 402 gid_t p_svgid; /* Saved effective group id */ 403 int p_refcnt; /* Number of references */ 404 }; 405 406 struct ki_ucred { 407 uint32_t cr_ref; /* reference count */ 408 uid_t cr_uid; /* effective user id */ 409 gid_t cr_gid; /* effective group id */ 410 uint32_t cr_ngroups; /* number of groups */ 411 gid_t cr_groups[NGROUPS]; /* groups */ 412 }; 413 414 /* 415 * KERN_PROC subtype ops return arrays of augmented proc structures: 416 */ 417 struct kinfo_proc { 418 struct proc kp_proc; /* proc structure */ 419 struct eproc { 420 struct proc *e_paddr; /* address of proc */ 421 struct session *e_sess; /* session pointer */ 422 struct ki_pcred e_pcred; /* process credentials */ 423 struct ki_ucred e_ucred; /* current credentials */ 424 struct vmspace e_vm; /* address space */ 425 pid_t e_ppid; /* parent process id */ 426 pid_t e_pgid; /* process group id */ 427 short e_jobc; /* job control counter */ 428 uint32_t e_tdev; /* XXX: controlling tty dev */ 429 pid_t e_tpgid; /* tty process group id */ 430 struct session *e_tsess; /* tty session pointer */ 431 #define WMESGLEN 8 432 char e_wmesg[WMESGLEN]; /* wchan message */ 433 segsz_t e_xsize; /* text size */ 434 short e_xrssize; /* text rss */ 435 short e_xccount; /* text references */ 436 short e_xswrss; 437 long e_flag; 438 #define EPROC_CTTY 0x01 /* controlling tty vnode active */ 439 #define EPROC_SLEADER 0x02 /* session leader */ 440 char e_login[MAXLOGNAME]; /* setlogin() name */ 441 pid_t e_sid; /* session id */ 442 long e_spare[3]; 443 } kp_eproc; 444 }; 445 446 /* 447 * Convert pointer to 64 bit unsigned integer for struct 448 * kinfo_proc2, etc. 449 */ 450 #define PTRTOUINT64(p) ((uint64_t)(uintptr_t)(p)) 451 #define UINT64TOPTR(u) ((void *)(uintptr_t)(u)) 452 453 /* 454 * KERN_PROC2 subtype ops return arrays of relatively fixed size 455 * structures of process info. Use 8 byte alignment, and new 456 * elements should only be added to the end of this structure so 457 * binary compatibility can be preserved. 458 */ 459 #define KI_NGROUPS 16 460 #define KI_MAXCOMLEN 24 /* extra for 8 byte alignment */ 461 #define KI_WMESGLEN 8 462 #define KI_MAXLOGNAME 24 /* extra for 8 byte alignment */ 463 #define KI_MAXEMULLEN 16 464 #define KI_LNAMELEN 20 /* extra 4 for alignment */ 465 466 #define KI_NOCPU (~(uint64_t)0) 467 468 typedef struct { 469 uint32_t __bits[4]; 470 } ki_sigset_t; 471 472 struct kinfo_proc2 { 473 uint64_t p_forw; /* PTR: linked run/sleep queue. */ 474 uint64_t p_back; 475 uint64_t p_paddr; /* PTR: address of proc */ 476 477 uint64_t p_addr; /* PTR: Kernel virtual addr of u-area */ 478 uint64_t p_fd; /* PTR: Ptr to open files structure. */ 479 uint64_t p_cwdi; /* PTR: cdir/rdir/cmask info */ 480 uint64_t p_stats; /* PTR: Accounting/statistics */ 481 uint64_t p_limit; /* PTR: Process limits. */ 482 uint64_t p_vmspace; /* PTR: Address space. */ 483 uint64_t p_sigacts; /* PTR: Signal actions, state */ 484 uint64_t p_sess; /* PTR: session pointer */ 485 uint64_t p_tsess; /* PTR: tty session pointer */ 486 uint64_t p_ru; /* PTR: Exit information. XXX */ 487 488 int32_t p_eflag; /* LONG: extra kinfo_proc2 flags */ 489 int32_t p_exitsig; /* INT: signal to sent to parent on exit */ 490 int32_t p_flag; /* INT: P_* flags. */ 491 492 int32_t p_pid; /* PID_T: Process identifier. */ 493 int32_t p_ppid; /* PID_T: Parent process id */ 494 int32_t p_sid; /* PID_T: session id */ 495 int32_t p__pgid; /* PID_T: process group id */ 496 /* XXX: <sys/proc.h> hijacks p_pgid */ 497 int32_t p_tpgid; /* PID_T: tty process group id */ 498 499 uint32_t p_uid; /* UID_T: effective user id */ 500 uint32_t p_ruid; /* UID_T: real user id */ 501 uint32_t p_gid; /* GID_T: effective group id */ 502 uint32_t p_rgid; /* GID_T: real group id */ 503 504 uint32_t p_groups[KI_NGROUPS]; /* GID_T: groups */ 505 int16_t p_ngroups; /* SHORT: number of groups */ 506 507 int16_t p_jobc; /* SHORT: job control counter */ 508 uint32_t p_tdev; /* XXX: DEV_T: controlling tty dev */ 509 510 uint32_t p_estcpu; /* U_INT: Time averaged value of p_cpticks. */ 511 uint32_t p_rtime_sec; /* STRUCT TIMEVAL: Real time. */ 512 uint32_t p_rtime_usec; /* STRUCT TIMEVAL: Real time. */ 513 int32_t p_cpticks; /* INT: Ticks of CPU time. */ 514 uint32_t p_pctcpu; /* FIXPT_T: %cpu for this process during p_swtime */ 515 uint32_t p_swtime; /* U_INT: Time swapped in or out. */ 516 uint32_t p_slptime; /* U_INT: Time since last blocked. */ 517 int32_t p_schedflags; /* INT: PSCHED_* flags */ 518 519 uint64_t p_uticks; /* U_QUAD_T: Statclock hits in user mode. */ 520 uint64_t p_sticks; /* U_QUAD_T: Statclock hits in system mode. */ 521 uint64_t p_iticks; /* U_QUAD_T: Statclock hits processing intr. */ 522 523 uint64_t p_tracep; /* PTR: Trace to vnode or file */ 524 int32_t p_traceflag; /* INT: Kernel trace points. */ 525 526 int32_t p_holdcnt; /* INT: If non-zero, don't swap. */ 527 528 ki_sigset_t p_siglist; /* SIGSET_T: Signals arrived but not delivered. */ 529 ki_sigset_t p_sigmask; /* SIGSET_T: Current signal mask. */ 530 ki_sigset_t p_sigignore; /* SIGSET_T: Signals being ignored. */ 531 ki_sigset_t p_sigcatch; /* SIGSET_T: Signals being caught by user. */ 532 533 int8_t p_stat; /* CHAR: S* process status (from LWP). */ 534 uint8_t p_priority; /* U_CHAR: Process priority. */ 535 uint8_t p_usrpri; /* U_CHAR: User-priority based on p_cpu and p_nice. */ 536 uint8_t p_nice; /* U_CHAR: Process "nice" value. */ 537 538 uint16_t p_xstat; /* U_SHORT: Exit status for wait; also stop signal. */ 539 uint16_t p_acflag; /* U_SHORT: Accounting flags. */ 540 541 char p_comm[KI_MAXCOMLEN]; 542 543 char p_wmesg[KI_WMESGLEN]; /* wchan message */ 544 uint64_t p_wchan; /* PTR: sleep address. */ 545 546 char p_login[KI_MAXLOGNAME]; /* setlogin() name */ 547 548 int32_t p_vm_rssize; /* SEGSZ_T: current resident set size in pages */ 549 int32_t p_vm_tsize; /* SEGSZ_T: text size (pages) */ 550 int32_t p_vm_dsize; /* SEGSZ_T: data size (pages) */ 551 int32_t p_vm_ssize; /* SEGSZ_T: stack size (pages) */ 552 553 int64_t p_uvalid; /* CHAR: following p_u* parameters are valid */ 554 /* XXX 64 bits for alignment */ 555 uint32_t p_ustart_sec; /* STRUCT TIMEVAL: starting time. */ 556 uint32_t p_ustart_usec; /* STRUCT TIMEVAL: starting time. */ 557 558 uint32_t p_uutime_sec; /* STRUCT TIMEVAL: user time. */ 559 uint32_t p_uutime_usec; /* STRUCT TIMEVAL: user time. */ 560 uint32_t p_ustime_sec; /* STRUCT TIMEVAL: system time. */ 561 uint32_t p_ustime_usec; /* STRUCT TIMEVAL: system time. */ 562 563 uint64_t p_uru_maxrss; /* LONG: max resident set size. */ 564 uint64_t p_uru_ixrss; /* LONG: integral shared memory size. */ 565 uint64_t p_uru_idrss; /* LONG: integral unshared data ". */ 566 uint64_t p_uru_isrss; /* LONG: integral unshared stack ". */ 567 uint64_t p_uru_minflt; /* LONG: page reclaims. */ 568 uint64_t p_uru_majflt; /* LONG: page faults. */ 569 uint64_t p_uru_nswap; /* LONG: swaps. */ 570 uint64_t p_uru_inblock; /* LONG: block input operations. */ 571 uint64_t p_uru_oublock; /* LONG: block output operations. */ 572 uint64_t p_uru_msgsnd; /* LONG: messages sent. */ 573 uint64_t p_uru_msgrcv; /* LONG: messages received. */ 574 uint64_t p_uru_nsignals; /* LONG: signals received. */ 575 uint64_t p_uru_nvcsw; /* LONG: voluntary context switches. */ 576 uint64_t p_uru_nivcsw; /* LONG: involuntary ". */ 577 578 uint32_t p_uctime_sec; /* STRUCT TIMEVAL: child u+s time. */ 579 uint32_t p_uctime_usec; /* STRUCT TIMEVAL: child u+s time. */ 580 uint64_t p_cpuid; /* LONG: CPU id */ 581 uint64_t p_realflag; /* INT: P_* flags (not including LWPs). */ 582 uint64_t p_nlwps; /* LONG: Number of LWPs */ 583 uint64_t p_nrlwps; /* LONG: Number of running LWPs */ 584 uint64_t p_realstat; /* LONG: non-LWP process status */ 585 uint32_t p_svuid; /* UID_T: saved user id */ 586 uint32_t p_svgid; /* GID_T: saved group id */ 587 char p_ename[KI_MAXEMULLEN]; /* emulation name */ 588 int64_t p_vm_vsize; /* SEGSZ_T: total map size (pages) */ 589 int64_t p_vm_msize; /* SEGSZ_T: stack-adjusted map size (pages) */ 590 }; 591 592 /* 593 * Compat flags for kinfo_proc, kinfo_proc2. Not guarenteed to be stable. 594 * Some of them used to be shared with LWP flags. 595 * XXXAD Trim to the minimum necessary... 596 */ 597 598 #define P_ADVLOCK 0x00000001 599 #define P_CONTROLT 0x00000002 600 #define L_INMEM 0x00000004 601 #define P_INMEM /* 0x00000004 */ L_INMEM 602 #define P_NOCLDSTOP 0x00000008 603 #define P_PPWAIT 0x00000010 604 #define P_PROFIL 0x00000020 605 #define L_SELECT 0x00000040 606 #define P_SELECT /* 0x00000040 */ L_SELECT 607 #define L_SINTR 0x00000080 608 #define P_SINTR /* 0x00000080 */ L_SINTR 609 #define P_SUGID 0x00000100 610 #define L_SYSTEM 0x00000200 611 #define P_SYSTEM /* 0x00000200 */ L_SYSTEM 612 #define L_SA 0x00000400 613 #define P_SA /* 0x00000400 */ L_SA 614 #define P_TRACED 0x00000800 615 #define P_WAITED 0x00001000 616 #define P_WEXIT 0x00002000 617 #define P_EXEC 0x00004000 618 #define P_OWEUPC 0x00008000 619 #define P_FSTRACE 0x00010000 620 #define P_NOCLDWAIT 0x00020000 621 #define P_32 0x00040000 622 #define P_CLDSIGIGN 0x00080000 623 #define P_SYSTRACE 0x00200000 624 #define P_CHTRACED 0x00400000 625 #define P_STOPFORK 0x00800000 626 #define P_STOPEXEC 0x01000000 627 #define P_STOPEXIT 0x02000000 628 #define P_SYSCALL 0x04000000 629 #define P_PAXMPROTECT 0x08000000 630 #define P_PAXNOMPROTECT 0x10000000 631 632 /* 633 * LWP compat flags. 634 */ 635 #define L_DETACHED 0x00800000 636 637 /* 638 * KERN_LWP structure. See notes on KERN_PROC2 about adding elements. 639 */ 640 struct kinfo_lwp { 641 uint64_t l_forw; /* PTR: linked run/sleep queue. */ 642 uint64_t l_back; 643 uint64_t l_laddr; /* PTR: Address of LWP */ 644 uint64_t l_addr; /* PTR: Kernel virtual addr of u-area */ 645 int32_t l_lid; /* LWPID_T: LWP identifier */ 646 int32_t l_flag; /* INT: L_* flags. */ 647 uint32_t l_swtime; /* U_INT: Time swapped in or out. */ 648 uint32_t l_slptime; /* U_INT: Time since last blocked. */ 649 int32_t l_schedflags; /* INT: PSCHED_* flags */ 650 int32_t l_holdcnt; /* INT: If non-zero, don't swap. */ 651 uint8_t l_priority; /* U_CHAR: Process priority. */ 652 uint8_t l_usrpri; /* U_CHAR: User-priority based on l_cpu and p_nice. */ 653 int8_t l_stat; /* CHAR: S* process status. */ 654 int8_t l_pad1; /* fill out to 4-byte boundary */ 655 int32_t l_pad2; /* .. and then to an 8-byte boundary */ 656 char l_wmesg[KI_WMESGLEN]; /* wchan message */ 657 uint64_t l_wchan; /* PTR: sleep address. */ 658 uint64_t l_cpuid; /* LONG: CPU id */ 659 uint32_t l_rtime_sec; /* STRUCT TIMEVAL: Real time. */ 660 uint32_t l_rtime_usec; /* STRUCT TIMEVAL: Real time. */ 661 uint32_t l_cpticks; /* INT: ticks during l_swtime */ 662 uint32_t l_pctcpu; /* FIXPT_T: cpu usage for ps */ 663 uint32_t l_pid; /* PID_T: process identifier */ 664 char l_name[KI_LNAMELEN]; /* CHAR[]: name, may be empty */ 665 }; 666 667 /* 668 * KERN_PROC_ARGS subtypes 669 */ 670 #define KERN_PROC_ARGV 1 /* argv */ 671 #define KERN_PROC_NARGV 2 /* number of strings in above */ 672 #define KERN_PROC_ENV 3 /* environ */ 673 #define KERN_PROC_NENV 4 /* number of strings in above */ 674 675 /* 676 * KERN_SYSVIPC subtypes 677 */ 678 #define KERN_SYSVIPC_INFO 1 /* struct: number of valid kern ids */ 679 #define KERN_SYSVIPC_MSG 2 /* int: SysV message queue suppoprt */ 680 #define KERN_SYSVIPC_SEM 3 /* int: SysV semaphore support */ 681 #define KERN_SYSVIPC_SHM 4 /* int: SysV shared memory support */ 682 #define KERN_SYSVIPC_SHMMAX 5 /* int: max shared memory segment size (bytes) */ 683 #define KERN_SYSVIPC_SHMMNI 6 /* int: max number of shared memory identifiers */ 684 #define KERN_SYSVIPC_SHMSEG 7 /* int: max shared memory segments per process */ 685 #define KERN_SYSVIPC_SHMMAXPGS 8 /* int: max amount of shared memory (pages) */ 686 #define KERN_SYSVIPC_SHMUSEPHYS 9 /* int: physical memory usage */ 687 688 /* 689 * KERN_SYSVIPC_INFO subtypes 690 */ 691 /* KERN_SYSVIPC_OMSG_INFO 1 */ 692 /* KERN_SYSVIPC_OSEM_INFO 2 */ 693 /* KERN_SYSVIPC_OSHM_INFO 3 */ 694 #define KERN_SYSVIPC_MSG_INFO 4 /* msginfo and msqid_ds */ 695 #define KERN_SYSVIPC_SEM_INFO 5 /* seminfo and semid_ds */ 696 #define KERN_SYSVIPC_SHM_INFO 6 /* shminfo and shmid_ds */ 697 698 /* 699 * tty counter sysctl variables 700 */ 701 #define KERN_TKSTAT_NIN 1 /* total input character */ 702 #define KERN_TKSTAT_NOUT 2 /* total output character */ 703 #define KERN_TKSTAT_CANCC 3 /* canonical input character */ 704 #define KERN_TKSTAT_RAWCC 4 /* raw input character */ 705 #define KERN_TKSTAT_MAXID 5 /* number of valid TKSTAT ids */ 706 707 #define KERN_TKSTAT_NAMES { \ 708 { 0, 0 }, \ 709 { "nin", CTLTYPE_QUAD }, \ 710 { "nout", CTLTYPE_QUAD }, \ 711 { "cancc", CTLTYPE_QUAD }, \ 712 { "rawcc", CTLTYPE_QUAD }, \ 713 } 714 715 /* 716 * kern.drivers returns an array of these. 717 */ 718 719 struct kinfo_drivers { 720 devmajor_t d_cmajor; 721 devmajor_t d_bmajor; 722 char d_name[24]; 723 }; 724 725 /* 726 * KERN_BUF subtypes, like KERN_PROC2, where the four following mib 727 * entries specify "which type of buf", "which particular buf", 728 * "sizeof buf", and "how many". Currently, only "all buf" is 729 * defined. 730 */ 731 #define KERN_BUF_ALL 0 /* all buffers */ 732 733 /* 734 * kern.buf returns an array of these structures, which are designed 735 * both to be immune to 32/64 bit emulation issues and to provide 736 * backwards compatibility. Note that the order here differs slightly 737 * from the real struct buf in order to achieve proper 64 bit 738 * alignment. 739 */ 740 struct buf_sysctl { 741 uint32_t b_flags; /* LONG: B_* flags */ 742 int32_t b_error; /* INT: Errno value */ 743 int32_t b_prio; /* INT: Hint for buffer queue discipline */ 744 uint32_t b_dev; /* DEV_T: Device associated with buffer */ 745 uint64_t b_bufsize; /* LONG: Allocated buffer size */ 746 uint64_t b_bcount; /* LONG: Valid bytes in buffer */ 747 uint64_t b_resid; /* LONG: Remaining I/O */ 748 uint64_t b_addr; /* CADDR_T: Memory, superblocks, indirect... */ 749 uint64_t b_blkno; /* DADDR_T: Underlying physical block number */ 750 uint64_t b_rawblkno; /* DADDR_T: Raw underlying physical block */ 751 uint64_t b_iodone; /* PTR: Function called upon completion */ 752 uint64_t b_proc; /* PTR: Associated proc if B_PHYS set */ 753 uint64_t b_vp; /* PTR: File vnode */ 754 uint64_t b_saveaddr; /* PTR: Original b_addr for physio */ 755 uint64_t b_lblkno; /* DADDR_T: Logical block number */ 756 }; 757 758 /* 759 * kern.file2 returns an array of these structures, which are designed 760 * both to be immune to be immune to 32/64 bit emulation issues and to 761 * provide backwards compatibility. The order differs slightly from 762 * that of the real struct file, and some fields are taken from other 763 * structures (struct vnode, struct proc) in order to make the file 764 * information more useful. 765 */ 766 struct kinfo_file { 767 uint64_t ki_fileaddr; /* PTR: address of struct file */ 768 uint32_t ki_flag; /* INT: flags (see fcntl.h) */ 769 uint32_t ki_iflags; /* INT: internal flags */ 770 uint32_t ki_ftype; /* INT: descriptor type */ 771 uint32_t ki_count; /* UINT: reference count */ 772 uint32_t ki_msgcount; /* UINT: references from msg queue */ 773 uint32_t ki_usecount; /* INT: number active users */ 774 uint64_t ki_fucred; /* PTR: creds for descriptor */ 775 uint32_t ki_fuid; /* UID_T: descriptor credentials */ 776 uint32_t ki_fgid; /* GID_T: descriptor credentials */ 777 uint64_t ki_fops; /* PTR: address of fileops */ 778 uint64_t ki_foffset; /* OFF_T: offset */ 779 uint64_t ki_fdata; /* PTR: descriptor data */ 780 781 /* vnode information to glue this file to something */ 782 uint64_t ki_vun; /* PTR: socket, specinfo, etc */ 783 uint64_t ki_vsize; /* OFF_T: size of file */ 784 uint32_t ki_vtype; /* ENUM: vnode type */ 785 uint32_t ki_vtag; /* ENUM: type of underlying data */ 786 uint64_t ki_vdata; /* PTR: private data for fs */ 787 788 /* process information when retrieved via KERN_FILE_BYPID */ 789 uint32_t ki_pid; /* PID_T: process id */ 790 int32_t ki_fd; /* INT: descriptor number */ 791 uint32_t ki_ofileflags; /* CHAR: open file flags */ 792 uint32_t _ki_padto64bits; 793 }; 794 795 #define KERN_FILE_BYFILE 1 796 #define KERN_FILE_BYPID 2 797 #define KERN_FILESLOP 10 798 799 /* 800 * kern.evcnt returns an array of these structures, which are designed both to 801 * be immune to 32/64 bit emulation issues. Note that the struct here differs 802 * from the real struct evcnt but contains the same information in order to 803 * accomodate sysctl. 804 */ 805 struct evcnt_sysctl { 806 uint64_t ev_count; /* current count */ 807 uint64_t ev_addr; /* kernel address of evcnt */ 808 uint64_t ev_parent; /* kernel address of parent */ 809 uint8_t ev_type; /* EVCNT_TRAP_* */ 810 uint8_t ev_grouplen; /* length of group with NUL */ 811 uint8_t ev_namelen; /* length of name with NUL */ 812 uint8_t ev_len; /* multiply by 8 */ 813 /* 814 * Now the group and name strings follow (both include the trailing 815 * NUL). ev_name start at &ev_strings[ev_grouplen+1] 816 */ 817 char ev_strings[0]; 818 }; 819 820 #define KERN_EVCNT_COUNT_ANY 0 821 #define KERN_EVCNT_COUNT_NONZERO 1 822 823 /* 824 * CTL_HW identifiers 825 */ 826 #define HW_MACHINE 1 /* string: machine class */ 827 #define HW_MODEL 2 /* string: specific machine model */ 828 #define HW_NCPU 3 /* int: number of cpus */ 829 #define HW_BYTEORDER 4 /* int: machine byte order */ 830 #define HW_PHYSMEM 5 /* int: total memory (bytes) */ 831 #define HW_USERMEM 6 /* int: non-kernel memory (bytes) */ 832 #define HW_PAGESIZE 7 /* int: software page size */ 833 #define HW_DISKNAMES 8 /* string: disk drive names */ 834 #define HW_IOSTATS 9 /* struct: iostats[] */ 835 #define HW_MACHINE_ARCH 10 /* string: machine architecture */ 836 #define HW_ALIGNBYTES 11 /* int: ALIGNBYTES for the kernel */ 837 #define HW_CNMAGIC 12 /* string: console magic sequence(s) */ 838 #define HW_PHYSMEM64 13 /* quad: total memory (bytes) */ 839 #define HW_USERMEM64 14 /* quad: non-kernel memory (bytes) */ 840 #define HW_IOSTATNAMES 15 /* string: iostat names */ 841 #define HW_MAXID 15 /* number of valid hw ids */ 842 #define HW_NCPUONLINE 16 /* number CPUs online */ 843 844 #define CTL_HW_NAMES { \ 845 { 0, 0 }, \ 846 { "machine", CTLTYPE_STRING }, \ 847 { "model", CTLTYPE_STRING }, \ 848 { "ncpu", CTLTYPE_INT }, \ 849 { "byteorder", CTLTYPE_INT }, \ 850 { "physmem", CTLTYPE_INT }, \ 851 { "usermem", CTLTYPE_INT }, \ 852 { "pagesize", CTLTYPE_INT }, \ 853 { "drivenames", CTLTYPE_STRING }, \ 854 { "drivestats", CTLTYPE_STRUCT }, \ 855 { "machine_arch", CTLTYPE_STRING }, \ 856 { "alignbytes", CTLTYPE_INT }, \ 857 { "cnmagic", CTLTYPE_STRING }, \ 858 { "physmem64", CTLTYPE_QUAD }, \ 859 { "usermem64", CTLTYPE_QUAD }, \ 860 { "ncpuonline", CTLTYPE_INT }, \ 861 } 862 863 /* 864 * CTL_USER definitions 865 */ 866 #define USER_CS_PATH 1 /* string: _CS_PATH */ 867 #define USER_BC_BASE_MAX 2 /* int: BC_BASE_MAX */ 868 #define USER_BC_DIM_MAX 3 /* int: BC_DIM_MAX */ 869 #define USER_BC_SCALE_MAX 4 /* int: BC_SCALE_MAX */ 870 #define USER_BC_STRING_MAX 5 /* int: BC_STRING_MAX */ 871 #define USER_COLL_WEIGHTS_MAX 6 /* int: COLL_WEIGHTS_MAX */ 872 #define USER_EXPR_NEST_MAX 7 /* int: EXPR_NEST_MAX */ 873 #define USER_LINE_MAX 8 /* int: LINE_MAX */ 874 #define USER_RE_DUP_MAX 9 /* int: RE_DUP_MAX */ 875 #define USER_POSIX2_VERSION 10 /* int: POSIX2_VERSION */ 876 #define USER_POSIX2_C_BIND 11 /* int: POSIX2_C_BIND */ 877 #define USER_POSIX2_C_DEV 12 /* int: POSIX2_C_DEV */ 878 #define USER_POSIX2_CHAR_TERM 13 /* int: POSIX2_CHAR_TERM */ 879 #define USER_POSIX2_FORT_DEV 14 /* int: POSIX2_FORT_DEV */ 880 #define USER_POSIX2_FORT_RUN 15 /* int: POSIX2_FORT_RUN */ 881 #define USER_POSIX2_LOCALEDEF 16 /* int: POSIX2_LOCALEDEF */ 882 #define USER_POSIX2_SW_DEV 17 /* int: POSIX2_SW_DEV */ 883 #define USER_POSIX2_UPE 18 /* int: POSIX2_UPE */ 884 #define USER_STREAM_MAX 19 /* int: POSIX2_STREAM_MAX */ 885 #define USER_TZNAME_MAX 20 /* int: _POSIX_TZNAME_MAX */ 886 #define USER_ATEXIT_MAX 21 /* int: {ATEXIT_MAX} */ 887 #define USER_MAXID 22 /* number of valid user ids */ 888 889 #define CTL_USER_NAMES { \ 890 { 0, 0 }, \ 891 { "cs_path", CTLTYPE_STRING }, \ 892 { "bc_base_max", CTLTYPE_INT }, \ 893 { "bc_dim_max", CTLTYPE_INT }, \ 894 { "bc_scale_max", CTLTYPE_INT }, \ 895 { "bc_string_max", CTLTYPE_INT }, \ 896 { "coll_weights_max", CTLTYPE_INT }, \ 897 { "expr_nest_max", CTLTYPE_INT }, \ 898 { "line_max", CTLTYPE_INT }, \ 899 { "re_dup_max", CTLTYPE_INT }, \ 900 { "posix2_version", CTLTYPE_INT }, \ 901 { "posix2_c_bind", CTLTYPE_INT }, \ 902 { "posix2_c_dev", CTLTYPE_INT }, \ 903 { "posix2_char_term", CTLTYPE_INT }, \ 904 { "posix2_fort_dev", CTLTYPE_INT }, \ 905 { "posix2_fort_run", CTLTYPE_INT }, \ 906 { "posix2_localedef", CTLTYPE_INT }, \ 907 { "posix2_sw_dev", CTLTYPE_INT }, \ 908 { "posix2_upe", CTLTYPE_INT }, \ 909 { "stream_max", CTLTYPE_INT }, \ 910 { "tzname_max", CTLTYPE_INT }, \ 911 { "atexit_max", CTLTYPE_INT }, \ 912 } 913 914 /* 915 * CTL_DDB definitions 916 */ 917 #define DDBCTL_RADIX 1 /* int: Input and output radix */ 918 #define DDBCTL_MAXOFF 2 /* int: max symbol offset */ 919 #define DDBCTL_MAXWIDTH 3 /* int: width of the display line */ 920 #define DDBCTL_LINES 4 /* int: number of display lines */ 921 #define DDBCTL_TABSTOPS 5 /* int: tab width */ 922 #define DDBCTL_ONPANIC 6 /* int: DDB on panic if non-zero */ 923 #define DDBCTL_FROMCONSOLE 7 /* int: DDB via console if non-zero */ 924 #define DDBCTL_MAXID 8 /* number of valid DDB ids */ 925 926 #define CTL_DDB_NAMES { \ 927 { 0, 0 }, \ 928 { "radix", CTLTYPE_INT }, \ 929 { "maxoff", CTLTYPE_INT }, \ 930 { "maxwidth", CTLTYPE_INT }, \ 931 { "lines", CTLTYPE_INT }, \ 932 { "tabstops", CTLTYPE_INT }, \ 933 { "onpanic", CTLTYPE_INT }, \ 934 { "fromconsole", CTLTYPE_INT }, \ 935 } 936 937 /* 938 * CTL_DEBUG definitions 939 * 940 * Second level identifier specifies which debug variable. 941 * Third level identifier specifies which structure component. 942 */ 943 #define CTL_DEBUG_NAME 0 /* string: variable name */ 944 #define CTL_DEBUG_VALUE 1 /* int: variable value */ 945 #define CTL_DEBUG_MAXID 20 946 947 /* 948 * CTL_PROC subtype. Either a PID, or a magic value for the current proc. 949 */ 950 951 #define PROC_CURPROC (~((u_int)1 << 31)) 952 953 /* 954 * CTL_PROC tree: either corename (string), or a limit 955 * (rlimit.<type>.{hard,soft}, int). 956 */ 957 #define PROC_PID_CORENAME 1 958 #define PROC_PID_LIMIT 2 959 #define PROC_PID_STOPFORK 3 960 #define PROC_PID_STOPEXEC 4 961 #define PROC_PID_STOPEXIT 5 962 #define PROC_PID_MAXID 6 963 964 #define PROC_PID_NAMES { \ 965 { 0, 0 }, \ 966 { "corename", CTLTYPE_STRING }, \ 967 { "rlimit", CTLTYPE_NODE }, \ 968 { "stopfork", CTLTYPE_INT }, \ 969 { "stopexec", CTLTYPE_INT }, \ 970 { "stopexit", CTLTYPE_INT }, \ 971 } 972 973 /* Limit types from <sys/resources.h> */ 974 #define PROC_PID_LIMIT_CPU (RLIMIT_CPU+1) 975 #define PROC_PID_LIMIT_FSIZE (RLIMIT_FSIZE+1) 976 #define PROC_PID_LIMIT_DATA (RLIMIT_DATA+1) 977 #define PROC_PID_LIMIT_STACK (RLIMIT_STACK+1) 978 #define PROC_PID_LIMIT_CORE (RLIMIT_CORE+1) 979 #define PROC_PID_LIMIT_RSS (RLIMIT_RSS+1) 980 #define PROC_PID_LIMIT_MEMLOCK (RLIMIT_MEMLOCK+1) 981 #define PROC_PID_LIMIT_NPROC (RLIMIT_NPROC+1) 982 #define PROC_PID_LIMIT_NOFILE (RLIMIT_NOFILE+1) 983 #define PROC_PID_LIMIT_SBSIZE (RLIMIT_SBSIZE+1) 984 #define PROC_PID_LIMIT_AS (RLIMIT_AS+1) 985 #define PROC_PID_LIMIT_NTHR (RLIMIT_NTHR+1) 986 #define PROC_PID_LIMIT_MAXID (RLIM_NLIMITS+1) 987 988 #define PROC_PID_LIMIT_NAMES { \ 989 { 0, 0 }, \ 990 { "cputime", CTLTYPE_NODE }, \ 991 { "filesize", CTLTYPE_NODE }, \ 992 { "datasize", CTLTYPE_NODE }, \ 993 { "stacksize", CTLTYPE_NODE }, \ 994 { "coredumpsize", CTLTYPE_NODE }, \ 995 { "memoryuse", CTLTYPE_NODE }, \ 996 { "memorylocked", CTLTYPE_NODE }, \ 997 { "maxproc", CTLTYPE_NODE }, \ 998 { "descriptors", CTLTYPE_NODE }, \ 999 { "sbsize", CTLTYPE_NODE }, \ 1000 { "vmemoryuse", CTLTYPE_NODE }, \ 1001 { "maxlwp", CTLTYPE_NODE }, \ 1002 } 1003 /* for each type, either hard or soft value */ 1004 #define PROC_PID_LIMIT_TYPE_SOFT 1 1005 #define PROC_PID_LIMIT_TYPE_HARD 2 1006 #define PROC_PID_LIMIT_TYPE_MAXID 3 1007 1008 #define PROC_PID_LIMIT_TYPE_NAMES { \ 1009 {0, 0}, \ 1010 { "soft", CTLTYPE_QUAD }, \ 1011 { "hard", CTLTYPE_QUAD }, \ 1012 } 1013 1014 /* 1015 * CTL_EMUL definitions 1016 * 1017 * Second level identifier specifies which emulation variable. 1018 * Subsequent levels are specified in the emulations themselves. 1019 */ 1020 #define EMUL_LINUX 1 1021 #define EMUL_LINUX32 5 1022 1023 #define EMUL_MAXID 6 1024 1025 #ifdef _KERNEL 1026 1027 #if defined(_KERNEL_OPT) 1028 #include "opt_sysctl.h" 1029 #endif 1030 1031 /* Root node of the kernel sysctl tree */ 1032 extern struct sysctlnode sysctl_root; 1033 1034 /* 1035 * A log of nodes created by a setup function or set of setup 1036 * functions so that they can be torn down in one "transaction" 1037 * when no longer needed. 1038 * 1039 * Users of the log merely pass a pointer to a pointer, and the sysctl 1040 * infrastructure takes care of the rest. 1041 */ 1042 struct sysctllog; 1043 1044 /* 1045 * CTL_DEBUG variables. 1046 * 1047 * These are declared as separate variables so that they can be 1048 * individually initialized at the location of their associated 1049 * variable. The loader prevents multiple use by issuing errors 1050 * if a variable is initialized in more than one place. They are 1051 * aggregated into an array in debug_sysctl(), so that it can 1052 * conveniently locate them when querried. If more debugging 1053 * variables are added, they must also be declared here and also 1054 * entered into the array. 1055 * 1056 * Note that the debug subtree is largely obsolescent in terms of 1057 * functionality now that we have dynamic sysctl, but the 1058 * infrastructure is retained for backwards compatibility. 1059 */ 1060 struct ctldebug { 1061 const char *debugname; /* name of debugging variable */ 1062 int *debugvar; /* pointer to debugging variable */ 1063 }; 1064 #ifdef DEBUG 1065 extern struct ctldebug debug0, debug1, debug2, debug3, debug4; 1066 extern struct ctldebug debug5, debug6, debug7, debug8, debug9; 1067 extern struct ctldebug debug10, debug11, debug12, debug13, debug14; 1068 extern struct ctldebug debug15, debug16, debug17, debug18, debug19; 1069 #endif /* DEBUG */ 1070 1071 #define SYSCTLFN_PROTO const int *, u_int, void *, \ 1072 size_t *, const void *, size_t, \ 1073 const int *, struct lwp *, const struct sysctlnode * 1074 #define SYSCTLFN_ARGS const int *name, u_int namelen, \ 1075 void *oldp, size_t *oldlenp, \ 1076 const void *newp, size_t newlen, \ 1077 const int *oname, struct lwp *l, \ 1078 const struct sysctlnode *rnode 1079 #define SYSCTLFN_CALL(node) name, namelen, oldp, \ 1080 oldlenp, newp, newlen, \ 1081 oname, l, node 1082 1083 #ifdef _MODULE 1084 1085 #define SYSCTL_SETUP_PROTO(name) \ 1086 void name(struct sysctllog **) 1087 #ifdef SYSCTL_DEBUG_SETUP 1088 #define SYSCTL_SETUP(name, desc) \ 1089 SYSCTL_SETUP_PROTO(name); \ 1090 static void __CONCAT(___,name)(struct sysctllog **); \ 1091 void name(struct sysctllog **clog) { \ 1092 printf("%s\n", desc); \ 1093 __CONCAT(___,name)(clog); } \ 1094 __link_set_add_text(sysctl_funcs, name); \ 1095 static void __CONCAT(___,name)(struct sysctllog **clog) 1096 #else /* !SYSCTL_DEBUG_SETUP */ 1097 #define SYSCTL_SETUP(name, desc) \ 1098 SYSCTL_SETUP_PROTO(name); \ 1099 __link_set_add_text(sysctl_funcs, name); \ 1100 void name(struct sysctllog **clog) 1101 #endif /* !SYSCTL_DEBUG_SETUP */ 1102 1103 #else /* !_MODULE */ 1104 1105 #define SYSCTL_SETUP_PROTO(name) 1106 #ifdef SYSCTL_DEBUG_SETUP 1107 #define SYSCTL_SETUP(name, desc) \ 1108 static void __CONCAT(___,name)(struct sysctllog **); \ 1109 static void name(struct sysctllog **clog) { \ 1110 printf("%s\n", desc); \ 1111 __CONCAT(___,name)(clog); } \ 1112 __link_set_add_text(sysctl_funcs, name); \ 1113 static void __CONCAT(___,name)(struct sysctllog **clog) 1114 #else /* !SYSCTL_DEBUG_SETUP */ 1115 #define SYSCTL_SETUP(name, desc) \ 1116 static void name(struct sysctllog **); \ 1117 __link_set_add_text(sysctl_funcs, name); \ 1118 static void name(struct sysctllog **clog) 1119 #endif /* !SYSCTL_DEBUG_SETUP */ 1120 1121 #endif /* !_MODULE */ 1122 1123 /* 1124 * Internal sysctl function calling convention: 1125 * 1126 * (*sysctlfn)(name, namelen, oldval, oldlenp, newval, newlen, 1127 * origname, lwp, node); 1128 * 1129 * The name parameter points at the next component of the name to be 1130 * interpreted. The namelen parameter is the number of integers in 1131 * the name. The origname parameter points to the start of the name 1132 * being parsed. The node parameter points to the node on which the 1133 * current operation is to be performed. 1134 */ 1135 typedef int (*sysctlfn)(SYSCTLFN_PROTO); 1136 1137 /* 1138 * used in more than just sysctl 1139 */ 1140 void fill_eproc(struct proc *, struct eproc *, bool); 1141 1142 /* 1143 * subsystem setup 1144 */ 1145 void sysctl_init(void); 1146 void sysctl_finalize(void); 1147 1148 /* 1149 * typical syscall call order 1150 */ 1151 void sysctl_lock(bool); 1152 int sysctl_dispatch(SYSCTLFN_PROTO); 1153 void sysctl_unlock(void); 1154 void sysctl_relock(void); 1155 1156 /* 1157 * tree navigation primitives (must obtain lock before using these) 1158 */ 1159 int sysctl_locate(struct lwp *, const int *, u_int, 1160 const struct sysctlnode **, int *); 1161 int sysctl_query(SYSCTLFN_PROTO); 1162 int sysctl_create(SYSCTLFN_PROTO); 1163 int sysctl_destroy(SYSCTLFN_PROTO); 1164 int sysctl_lookup(SYSCTLFN_PROTO); 1165 int sysctl_describe(SYSCTLFN_PROTO); 1166 1167 /* 1168 * simple variadic interface for adding/removing nodes 1169 */ 1170 int sysctl_createv(struct sysctllog **, int, 1171 const struct sysctlnode **, const struct sysctlnode **, 1172 int, int, const char *, const char *, 1173 sysctlfn, u_quad_t, void *, size_t, ...); 1174 int sysctl_destroyv(struct sysctlnode *, ...); 1175 1176 #define VERIFY_FN(ctl_type, c_type) \ 1177 __always_inline static __inline void * \ 1178 __sysctl_verify_##ctl_type##_arg(c_type *arg) \ 1179 { \ 1180 return arg; \ 1181 } 1182 1183 VERIFY_FN(CTLTYPE_NODE, struct sysctlnode); 1184 VERIFY_FN(CTLTYPE_INT, int); 1185 VERIFY_FN(CTLTYPE_STRING, char); 1186 VERIFY_FN(CTLTYPE_QUAD, int64_t); 1187 VERIFY_FN(CTLTYPE_STRUCT, void); 1188 VERIFY_FN(CTLTYPE_BOOL, bool); 1189 VERIFY_FN(CTLTYPE_LONG, long); 1190 #undef VERIFY_FN 1191 1192 #define sysctl_createv(lg, cfl, rn, cn, fl, type, nm, desc, fn, qv, newp, ...) \ 1193 sysctl_createv(lg, cfl, rn, cn, fl, type, nm, desc, fn, qv, \ 1194 __sysctl_verify_##type##_arg(newp), __VA_ARGS__) 1195 1196 /* 1197 * miscellany 1198 */ 1199 void sysctl_dump(const struct sysctlnode *); 1200 void sysctl_free(struct sysctlnode *); 1201 void sysctl_teardown(struct sysctllog **); 1202 void sysctl_log_print(const struct sysctllog *); 1203 1204 #ifdef SYSCTL_INCLUDE_DESCR 1205 #define SYSCTL_DESCR(s) s 1206 #else /* SYSCTL_INCLUDE_DESCR */ 1207 #define SYSCTL_DESCR(s) NULL 1208 #endif /* SYSCTL_INCLUDE_DESCR */ 1209 1210 /* 1211 * simple interface similar to old interface for in-kernel consumption 1212 */ 1213 int old_sysctl(int *, u_int, void *, size_t *, void *, size_t, struct lwp *); 1214 1215 /* 1216 * these helpers are in other files (XXX so should the nodes be) or 1217 * are used by more than one node 1218 */ 1219 int sysctl_hw_tapenames(SYSCTLFN_PROTO); 1220 int sysctl_hw_tapestats(SYSCTLFN_PROTO); 1221 int sysctl_kern_vnode(SYSCTLFN_PROTO); 1222 int sysctl_net_inet_ip_ports(SYSCTLFN_PROTO); 1223 int sysctl_consdev(SYSCTLFN_PROTO); 1224 int sysctl_root_device(SYSCTLFN_PROTO); 1225 int sysctl_vfs_generic_fstypes(SYSCTLFN_PROTO); 1226 1227 /* 1228 * primitive helper stubs 1229 */ 1230 int sysctl_needfunc(SYSCTLFN_PROTO); 1231 int sysctl_notavail(SYSCTLFN_PROTO); 1232 int sysctl_null(SYSCTLFN_PROTO); 1233 1234 int sysctl_copyin(struct lwp *, const void *, void *, size_t); 1235 int sysctl_copyout(struct lwp *, const void *, void *, size_t); 1236 int sysctl_copyinstr(struct lwp *, const void *, void *, size_t, size_t *); 1237 1238 u_int sysctl_map_flags(const u_int *, u_int); 1239 1240 MALLOC_DECLARE(M_SYSCTLNODE); 1241 MALLOC_DECLARE(M_SYSCTLDATA); 1242 1243 extern const u_int sysctl_lwpflagmap[]; 1244 1245 extern cprng_strong_t *sysctl_prng; 1246 1247 #else /* !_KERNEL */ 1248 #include <sys/cdefs.h> 1249 1250 typedef void *sysctlfn; 1251 1252 __BEGIN_DECLS 1253 int sysctl(const int *, u_int, void *, size_t *, const void *, size_t); 1254 int sysctlbyname(const char *, void *, size_t *, const void *, size_t); 1255 int sysctlgetmibinfo(const char *, int *, u_int *, 1256 char *, size_t *, struct sysctlnode **, int); 1257 int sysctlnametomib(const char *, int *, size_t *); 1258 int proc_compare(const struct kinfo_proc2 *, const struct kinfo_lwp *, 1259 const struct kinfo_proc2 *, const struct kinfo_lwp *); 1260 __END_DECLS 1261 1262 #endif /* !_KERNEL */ 1263 1264 #ifdef __COMPAT_SYSCTL 1265 /* 1266 * old node definitions go here 1267 */ 1268 #endif /* __COMPAT_SYSCTL */ 1269 1270 /* 1271 * padding makes alignment magically "work" for 32/64 compatibility at 1272 * the expense of making things bigger on 32 bit platforms. 1273 */ 1274 #if defined(_LP64) || (BYTE_ORDER == LITTLE_ENDIAN) 1275 #define __sysc_pad(type) union { uint64_t __sysc_upad; \ 1276 struct { type __sysc_sdatum; } __sysc_ustr; } 1277 #else 1278 #define __sysc_pad(type) union { uint64_t __sysc_upad; \ 1279 struct { uint32_t __sysc_spad; type __sysc_sdatum; } __sysc_ustr; } 1280 #endif 1281 #define __sysc_unpad(x) x.__sysc_ustr.__sysc_sdatum 1282 1283 /* 1284 * The following is for gcc2, which doesn't handle __sysc_unpad(). 1285 * The code gets a little less ugly this way. 1286 */ 1287 #define sysc_init_field(field, value) \ 1288 .field = { .__sysc_ustr = { .__sysc_sdatum = (value), }, } 1289 1290 struct sysctlnode { 1291 uint32_t sysctl_flags; /* flags and type */ 1292 int32_t sysctl_num; /* mib number */ 1293 char sysctl_name[SYSCTL_NAMELEN]; /* node name */ 1294 uint32_t sysctl_ver; /* node's version vs. rest of tree */ 1295 uint32_t __rsvd; 1296 union { 1297 struct { 1298 uint32_t suc_csize; /* size of child node array */ 1299 uint32_t suc_clen; /* number of valid children */ 1300 __sysc_pad(struct sysctlnode*) _suc_child; /* array of child nodes */ 1301 } scu_child; 1302 struct { 1303 __sysc_pad(void*) _sud_data; /* pointer to external data */ 1304 __sysc_pad(size_t) _sud_offset; /* offset to data */ 1305 } scu_data; 1306 int32_t scu_alias; /* node this node refers to */ 1307 int32_t scu_idata; /* immediate "int" data */ 1308 u_quad_t scu_qdata; /* immediate "u_quad_t" data */ 1309 bool scu_bdata; /* immediate bool data */ 1310 } sysctl_un; 1311 __sysc_pad(size_t) _sysctl_size; /* size of instrumented data */ 1312 __sysc_pad(sysctlfn) _sysctl_func; /* access helper function */ 1313 __sysc_pad(struct sysctlnode*) _sysctl_parent; /* parent of this node */ 1314 __sysc_pad(const char *) _sysctl_desc; /* description of node */ 1315 }; 1316 1317 /* 1318 * padded data 1319 */ 1320 #define suc_child __sysc_unpad(_suc_child) 1321 #define sud_data __sysc_unpad(_sud_data) 1322 #define sud_offset __sysc_unpad(_sud_offset) 1323 #define sysctl_size __sysc_unpad(_sysctl_size) 1324 #define sysctl_func __sysc_unpad(_sysctl_func) 1325 #define sysctl_parent __sysc_unpad(_sysctl_parent) 1326 #define sysctl_desc __sysc_unpad(_sysctl_desc) 1327 1328 /* 1329 * nested data (may also be padded) 1330 */ 1331 #define sysctl_csize sysctl_un.scu_child.suc_csize 1332 #define sysctl_clen sysctl_un.scu_child.suc_clen 1333 #define sysctl_child sysctl_un.scu_child.suc_child 1334 #define sysctl_data sysctl_un.scu_data.sud_data 1335 #define sysctl_offset sysctl_un.scu_data.sud_offset 1336 #define sysctl_alias sysctl_un.scu_alias 1337 #define sysctl_idata sysctl_un.scu_idata 1338 #define sysctl_qdata sysctl_un.scu_qdata 1339 #define sysctl_bdata sysctl_un.scu_bdata 1340 1341 /* 1342 * when requesting a description of a node (a set of nodes, actually), 1343 * you get back an "array" of these, where the actual length of the 1344 * descr_str is noted in descr_len (which includes the trailing nul 1345 * byte), rounded up to the nearest four (sizeof(int32_t) actually). 1346 * 1347 * NEXT_DESCR() will take a pointer to a description and advance it to 1348 * the next description. 1349 */ 1350 struct sysctldesc { 1351 int32_t descr_num; /* mib number of node */ 1352 uint32_t descr_ver; /* version of node */ 1353 uint32_t descr_len; /* length of description string */ 1354 char descr_str[1]; /* not really 1...see above */ 1355 }; 1356 1357 #define __sysc_desc_roundup(x) ((((x) - 1) | (sizeof(int32_t) - 1)) + 1) 1358 #define __sysc_desc_adv(d, l) \ 1359 (/*XXXUNCONST ptr cast*/(struct sysctldesc *) \ 1360 __UNCONST(((const char*)(d)) + offsetof(struct sysctldesc, descr_str) +\ 1361 __sysc_desc_roundup(l))) 1362 #define NEXT_DESCR(d) __sysc_desc_adv((d), (d)->descr_len) 1363 1364 static __inline const struct sysctlnode * 1365 sysctl_rootof(const struct sysctlnode *n) 1366 { 1367 while (n->sysctl_parent != NULL) 1368 n = n->sysctl_parent; 1369 return (n); 1370 } 1371 1372 #endif /* !_SYS_SYSCTL_H_ */ 1373