1 /* $NetBSD: sysctl.h,v 1.192 2011/01/29 17:35:23 matt 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/time.h> 44 #include <sys/ucred.h> 45 #include <sys/ucontext.h> 46 #include <sys/proc.h> 47 #include <uvm/uvm_extern.h> 48 49 50 /* For offsetof() */ 51 #if defined(_KERNEL) || defined(_STANDALONE) 52 #include <sys/systm.h> 53 #else 54 #include <stddef.h> 55 #include <stdbool.h> 56 #endif 57 58 /* 59 * Definitions for sysctl call. The sysctl call uses a hierarchical name 60 * for objects that can be examined or modified. The name is expressed as 61 * a sequence of integers. Like a file path name, the meaning of each 62 * component depends on its place in the hierarchy. The top-level and kern 63 * identifiers are defined here, and other identifiers are defined in the 64 * respective subsystem header files. 65 */ 66 67 #define CTL_MAXNAME 12 /* largest number of components supported */ 68 #define SYSCTL_NAMELEN 32 /* longest name allowed for a node */ 69 70 #define CREATE_BASE (1024) /* start of dynamic mib allocation */ 71 #define SYSCTL_DEFSIZE 8 /* initial size of a child set */ 72 73 /* 74 * Each subsystem defined by sysctl defines a list of variables 75 * for that subsystem. Each name is either a node with further 76 * levels defined below it, or it is a leaf of some particular 77 * type given below. Each sysctl level defines a set of name/type 78 * pairs to be used by sysctl(1) in manipulating the subsystem. 79 */ 80 struct ctlname { 81 const char *ctl_name; /* subsystem name */ 82 int ctl_type; /* type of name */ 83 }; 84 #define CTLTYPE_NODE 1 /* name is a node */ 85 #define CTLTYPE_INT 2 /* name describes an integer */ 86 #define CTLTYPE_STRING 3 /* name describes a string */ 87 #define CTLTYPE_QUAD 4 /* name describes a 64-bit number */ 88 #define CTLTYPE_STRUCT 5 /* name describes a structure */ 89 #define CTLTYPE_BOOL 6 /* name describes a bool */ 90 91 /* 92 * Flags that apply to each node, governing access and other features 93 */ 94 #define CTLFLAG_READONLY 0x00000000 95 /* #define CTLFLAG_UNUSED1 0x00000010 */ 96 /* #define CTLFLAG_UNUSED2 0x00000020 */ 97 /* #define CTLFLAG_READ* 0x00000040 */ 98 #define CTLFLAG_READWRITE 0x00000070 99 #define CTLFLAG_ANYWRITE 0x00000080 100 #define CTLFLAG_PRIVATE 0x00000100 101 #define CTLFLAG_PERMANENT 0x00000200 102 #define CTLFLAG_OWNDATA 0x00000400 103 #define CTLFLAG_IMMEDIATE 0x00000800 104 #define CTLFLAG_HEX 0x00001000 105 #define CTLFLAG_ROOT 0x00002000 106 #define CTLFLAG_ANYNUMBER 0x00004000 107 #define CTLFLAG_HIDDEN 0x00008000 108 #define CTLFLAG_ALIAS 0x00010000 109 #define CTLFLAG_MMAP 0x00020000 110 #define CTLFLAG_OWNDESC 0x00040000 111 112 /* 113 * sysctl API version 114 */ 115 #define SYSCTL_VERS_MASK 0xff000000 116 #define SYSCTL_VERS_0 0x00000000 117 #define SYSCTL_VERS_1 0x01000000 118 #define SYSCTL_VERSION SYSCTL_VERS_1 119 #define SYSCTL_VERS(f) ((f) & SYSCTL_VERS_MASK) 120 121 /* 122 * Flags that can be set by a create request from user-space 123 */ 124 #define SYSCTL_USERFLAGS (CTLFLAG_READWRITE|\ 125 CTLFLAG_ANYWRITE|\ 126 CTLFLAG_PRIVATE|\ 127 CTLFLAG_OWNDATA|\ 128 CTLFLAG_IMMEDIATE|\ 129 CTLFLAG_HEX|\ 130 CTLFLAG_HIDDEN) 131 132 /* 133 * Accessor macros 134 */ 135 #define SYSCTL_TYPEMASK 0x0000000f 136 #define SYSCTL_TYPE(x) ((x) & SYSCTL_TYPEMASK) 137 #define SYSCTL_FLAGMASK 0x00fffff0 138 #define SYSCTL_FLAGS(x) ((x) & SYSCTL_FLAGMASK) 139 140 /* 141 * Meta-identifiers 142 */ 143 #define CTL_EOL -1 /* end of createv/destroyv list */ 144 #define CTL_QUERY -2 /* enumerates children of a node */ 145 #define CTL_CREATE -3 /* node create request */ 146 #define CTL_CREATESYM -4 /* node create request with symbol */ 147 #define CTL_DESTROY -5 /* node destroy request */ 148 #define CTL_MMAP -6 /* mmap request */ 149 #define CTL_DESCRIBE -7 /* get node descriptions */ 150 151 /* 152 * Top-level identifiers 153 */ 154 #define CTL_UNSPEC 0 /* unused */ 155 #define CTL_KERN 1 /* "high kernel": proc, limits */ 156 #define CTL_VM 2 /* virtual memory */ 157 #define CTL_VFS 3 /* file system, mount type is next */ 158 #define CTL_NET 4 /* network, see socket.h */ 159 #define CTL_DEBUG 5 /* debugging parameters */ 160 #define CTL_HW 6 /* generic CPU/io */ 161 #define CTL_MACHDEP 7 /* machine dependent */ 162 #define CTL_USER 8 /* user-level */ 163 #define CTL_DDB 9 /* in-kernel debugger */ 164 #define CTL_PROC 10 /* per-proc attr */ 165 #define CTL_VENDOR 11 /* vendor-specific data */ 166 #define CTL_EMUL 12 /* emulation-specific data */ 167 #define CTL_SECURITY 13 /* security */ 168 #define CTL_MAXID 14 /* number of valid top-level ids */ 169 170 /* 171 * The "vendor" toplevel name is to be used by vendors who wish to 172 * have their own private MIB tree. If you do that, please use 173 * vendor.<yourname>.* 174 */ 175 176 /* 177 * CTL_KERN identifiers 178 */ 179 #define KERN_OSTYPE 1 /* string: system version */ 180 #define KERN_OSRELEASE 2 /* string: system release */ 181 #define KERN_OSREV 3 /* int: system revision */ 182 #define KERN_VERSION 4 /* string: compile time info */ 183 #define KERN_MAXVNODES 5 /* int: max vnodes */ 184 #define KERN_MAXPROC 6 /* int: max processes */ 185 #define KERN_MAXFILES 7 /* int: max open files */ 186 #define KERN_ARGMAX 8 /* int: max arguments to exec */ 187 #define KERN_SECURELVL 9 /* int: system security level */ 188 #define KERN_HOSTNAME 10 /* string: hostname */ 189 #define KERN_HOSTID 11 /* int: host identifier */ 190 #define KERN_CLOCKRATE 12 /* struct: struct clockinfo */ 191 #define KERN_VNODE 13 /* struct: vnode structures */ 192 #define KERN_PROC 14 /* struct: process entries */ 193 #define KERN_FILE 15 /* struct: file entries */ 194 #define KERN_PROF 16 /* node: kernel profiling info */ 195 #define KERN_POSIX1 17 /* int: POSIX.1 version */ 196 #define KERN_NGROUPS 18 /* int: # of supplemental group ids */ 197 #define KERN_JOB_CONTROL 19 /* int: is job control available */ 198 #define KERN_SAVED_IDS 20 /* int: saved set-user/group-ID */ 199 #define KERN_OBOOTTIME 21 /* struct: time kernel was booted */ 200 #define KERN_DOMAINNAME 22 /* string: (YP) domainname */ 201 #define KERN_MAXPARTITIONS 23 /* int: number of partitions/disk */ 202 #define KERN_RAWPARTITION 24 /* int: raw partition number */ 203 #define KERN_NTPTIME 25 /* struct: extended-precision time */ 204 #define KERN_TIMEX 26 /* struct: ntp timekeeping state */ 205 #define KERN_AUTONICETIME 27 /* int: proc time before autonice */ 206 #define KERN_AUTONICEVAL 28 /* int: auto nice value */ 207 #define KERN_RTC_OFFSET 29 /* int: offset of rtc from gmt */ 208 #define KERN_ROOT_DEVICE 30 /* string: root device */ 209 #define KERN_MSGBUFSIZE 31 /* int: max # of chars in msg buffer */ 210 #define KERN_FSYNC 32 /* int: file synchronization support */ 211 #define KERN_OLDSYSVMSG 33 /* old: SysV message queue suppoprt */ 212 #define KERN_OLDSYSVSEM 34 /* old: SysV semaphore support */ 213 #define KERN_OLDSYSVSHM 35 /* old: SysV shared memory support */ 214 #define KERN_OLDSHORTCORENAME 36 /* old, unimplemented */ 215 #define KERN_SYNCHRONIZED_IO 37 /* int: POSIX synchronized I/O */ 216 #define KERN_IOV_MAX 38 /* int: max iovec's for readv(2) etc. */ 217 #define KERN_MBUF 39 /* node: mbuf parameters */ 218 #define KERN_MAPPED_FILES 40 /* int: POSIX memory mapped files */ 219 #define KERN_MEMLOCK 41 /* int: POSIX memory locking */ 220 #define KERN_MEMLOCK_RANGE 42 /* int: POSIX memory range locking */ 221 #define KERN_MEMORY_PROTECTION 43 /* int: POSIX memory protections */ 222 #define KERN_LOGIN_NAME_MAX 44 /* int: max length login name + NUL */ 223 #define KERN_DEFCORENAME 45 /* old: sort core name format */ 224 #define KERN_LOGSIGEXIT 46 /* int: log signalled processes */ 225 #define KERN_PROC2 47 /* struct: process entries */ 226 #define KERN_PROC_ARGS 48 /* struct: process argv/env */ 227 #define KERN_FSCALE 49 /* int: fixpt FSCALE */ 228 #define KERN_CCPU 50 /* old: fixpt ccpu */ 229 #define KERN_CP_TIME 51 /* struct: CPU time counters */ 230 #define KERN_OLDSYSVIPC_INFO 52 /* old: number of valid kern ids */ 231 #define KERN_MSGBUF 53 /* kernel message buffer */ 232 #define KERN_CONSDEV 54 /* dev_t: console terminal device */ 233 #define KERN_MAXPTYS 55 /* int: maximum number of ptys */ 234 #define KERN_PIPE 56 /* node: pipe limits */ 235 #define KERN_MAXPHYS 57 /* int: kernel value of MAXPHYS */ 236 #define KERN_SBMAX 58 /* int: max socket buffer size */ 237 #define KERN_TKSTAT 59 /* tty in/out counters */ 238 #define KERN_MONOTONIC_CLOCK 60 /* int: POSIX monotonic clock */ 239 #define KERN_URND 61 /* int: random integer from urandom */ 240 #define KERN_LABELSECTOR 62 /* int: disklabel sector */ 241 #define KERN_LABELOFFSET 63 /* int: offset of label within sector */ 242 #define KERN_LWP 64 /* struct: lwp entries */ 243 #define KERN_FORKFSLEEP 65 /* int: sleep length on failed fork */ 244 #define KERN_POSIX_THREADS 66 /* int: POSIX Threads option */ 245 #define KERN_POSIX_SEMAPHORES 67 /* int: POSIX Semaphores option */ 246 #define KERN_POSIX_BARRIERS 68 /* int: POSIX Barriers option */ 247 #define KERN_POSIX_TIMERS 69 /* int: POSIX Timers option */ 248 #define KERN_POSIX_SPIN_LOCKS 70 /* int: POSIX Spin Locks option */ 249 #define KERN_POSIX_READER_WRITER_LOCKS 71 /* int: POSIX R/W Locks option */ 250 #define KERN_DUMP_ON_PANIC 72 /* int: dump on panic */ 251 #define KERN_SOMAXKVA 73 /* int: max socket kernel virtual mem */ 252 #define KERN_ROOT_PARTITION 74 /* int: root partition */ 253 #define KERN_DRIVERS 75 /* struct: driver names and majors #s */ 254 #define KERN_BUF 76 /* struct: buffers */ 255 #define KERN_FILE2 77 /* struct: file entries */ 256 #define KERN_VERIEXEC 78 /* node: verified exec */ 257 #define KERN_CP_ID 79 /* struct: cpu id numbers */ 258 #define KERN_HARDCLOCK_TICKS 80 /* int: number of hardclock ticks */ 259 #define KERN_ARND 81 /* void *buf, size_t siz random */ 260 #define KERN_SYSVIPC 82 /* node: SysV IPC parameters */ 261 #define KERN_BOOTTIME 83 /* struct: time kernel was booted */ 262 #define KERN_EVCNT 84 /* struct: evcnts */ 263 #define KERN_MAXID 85 /* number of valid kern ids */ 264 265 266 #define CTL_KERN_NAMES { \ 267 { 0, 0 }, \ 268 { "ostype", CTLTYPE_STRING }, \ 269 { "osrelease", CTLTYPE_STRING }, \ 270 { "osrevision", CTLTYPE_INT }, \ 271 { "version", CTLTYPE_STRING }, \ 272 { "maxvnodes", CTLTYPE_INT }, \ 273 { "maxproc", CTLTYPE_INT }, \ 274 { "maxfiles", CTLTYPE_INT }, \ 275 { "argmax", CTLTYPE_INT }, \ 276 { "securelevel", CTLTYPE_INT }, \ 277 { "hostname", CTLTYPE_STRING }, \ 278 { "hostid", CTLTYPE_INT }, \ 279 { "clockrate", CTLTYPE_STRUCT }, \ 280 { "vnode", CTLTYPE_STRUCT }, \ 281 { "proc", CTLTYPE_STRUCT }, \ 282 { "file", CTLTYPE_STRUCT }, \ 283 { "profiling", CTLTYPE_NODE }, \ 284 { "posix1version", CTLTYPE_INT }, \ 285 { "ngroups", CTLTYPE_INT }, \ 286 { "job_control", CTLTYPE_INT }, \ 287 { "saved_ids", CTLTYPE_INT }, \ 288 { 0, 0 }, \ 289 { "domainname", CTLTYPE_STRING }, \ 290 { "maxpartitions", CTLTYPE_INT }, \ 291 { "rawpartition", CTLTYPE_INT }, \ 292 { "ntptime", CTLTYPE_STRUCT }, \ 293 { "timex", CTLTYPE_STRUCT }, \ 294 { "autonicetime", CTLTYPE_INT }, \ 295 { "autoniceval", CTLTYPE_INT }, \ 296 { "rtc_offset", CTLTYPE_INT }, \ 297 { "root_device", CTLTYPE_STRING }, \ 298 { "msgbufsize", CTLTYPE_INT }, \ 299 { "fsync", CTLTYPE_INT }, \ 300 { 0, 0 }, \ 301 { 0, 0 }, \ 302 { 0, 0 }, \ 303 { 0, 0 }, \ 304 { "synchronized_io", CTLTYPE_INT }, \ 305 { "iov_max", CTLTYPE_INT }, \ 306 { "mbuf", CTLTYPE_NODE }, \ 307 { "mapped_files", CTLTYPE_INT }, \ 308 { "memlock", CTLTYPE_INT }, \ 309 { "memlock_range", CTLTYPE_INT }, \ 310 { "memory_protection", CTLTYPE_INT }, \ 311 { "login_name_max", CTLTYPE_INT }, \ 312 { "defcorename", CTLTYPE_STRING }, \ 313 { "logsigexit", CTLTYPE_INT }, \ 314 { "proc2", CTLTYPE_STRUCT }, \ 315 { "proc_args", CTLTYPE_STRING }, \ 316 { "fscale", CTLTYPE_INT }, \ 317 { 0, 0 }, \ 318 { "cp_time", CTLTYPE_STRUCT }, \ 319 { 0, 0 }, \ 320 { "msgbuf", CTLTYPE_STRUCT }, \ 321 { "consdev", CTLTYPE_STRUCT }, \ 322 { "maxptys", CTLTYPE_INT }, \ 323 { "pipe", CTLTYPE_NODE }, \ 324 { "maxphys", CTLTYPE_INT }, \ 325 { "sbmax", CTLTYPE_INT }, \ 326 { "tkstat", CTLTYPE_NODE }, \ 327 { "monotonic_clock", CTLTYPE_INT }, \ 328 { "urandom", CTLTYPE_INT }, \ 329 { "labelsector", CTLTYPE_INT }, \ 330 { "labeloffset", CTLTYPE_INT }, \ 331 { "lwp", CTLTYPE_STRUCT }, \ 332 { "forkfsleep", CTLTYPE_INT }, \ 333 { "posix_threads", CTLTYPE_INT }, \ 334 { "posix_semaphores", CTLTYPE_INT }, \ 335 { "posix_barriers", CTLTYPE_INT }, \ 336 { "posix_timers", CTLTYPE_INT }, \ 337 { "posix_spin_locks", CTLTYPE_INT }, \ 338 { "posix_reader_writer_locks", CTLTYPE_INT }, \ 339 { "dump_on_panic", CTLTYPE_INT}, \ 340 { "somaxkva", CTLTYPE_INT}, \ 341 { "root_partition", CTLTYPE_INT}, \ 342 { "drivers", CTLTYPE_STRUCT }, \ 343 { "buf", CTLTYPE_NODE }, \ 344 { "file2", CTLTYPE_STRUCT }, \ 345 { "veriexec", CTLTYPE_NODE }, \ 346 { "cp_id", CTLTYPE_STRUCT }, \ 347 { "hardclock_ticks", CTLTYPE_INT }, \ 348 { "arandom", CTLTYPE_STRUCT }, \ 349 { "sysvipc", CTLTYPE_STRUCT }, \ 350 { "boottime", CTLTYPE_STRUCT }, \ 351 { "evcnt", CTLTYPE_STRUCT }, \ 352 } 353 354 /* 355 * KERN_CLOCKRATE structure 356 */ 357 struct clockinfo { 358 int hz; /* clock frequency */ 359 int tick; /* micro-seconds per hz tick */ 360 int tickadj; /* clock skew rate for adjtime() */ 361 int stathz; /* statistics clock frequency */ 362 int profhz; /* profiling clock frequency */ 363 }; 364 365 /* 366 * KERN_PROC subtypes 367 */ 368 #define KERN_PROC_ALL 0 /* everything */ 369 #define KERN_PROC_PID 1 /* by process id */ 370 #define KERN_PROC_PGRP 2 /* by process group id */ 371 #define KERN_PROC_SESSION 3 /* by session of pid */ 372 #define KERN_PROC_TTY 4 /* by controlling tty */ 373 #define KERN_PROC_UID 5 /* by effective uid */ 374 #define KERN_PROC_RUID 6 /* by real uid */ 375 #define KERN_PROC_GID 7 /* by effective gid */ 376 #define KERN_PROC_RGID 8 /* by real gid */ 377 378 /* 379 * KERN_PROC_TTY sub-subtypes 380 */ 381 #define KERN_PROC_TTY_NODEV NODEV /* no controlling tty */ 382 #define KERN_PROC_TTY_REVOKE ((dev_t)-2) /* revoked tty */ 383 384 struct ki_pcred { 385 void *p_pad; 386 uid_t p_ruid; /* Real user id */ 387 uid_t p_svuid; /* Saved effective user id */ 388 gid_t p_rgid; /* Real group id */ 389 gid_t p_svgid; /* Saved effective group id */ 390 int p_refcnt; /* Number of references */ 391 }; 392 393 struct ki_ucred { 394 uint32_t cr_ref; /* reference count */ 395 uid_t cr_uid; /* effective user id */ 396 gid_t cr_gid; /* effective group id */ 397 uint32_t cr_ngroups; /* number of groups */ 398 gid_t cr_groups[NGROUPS]; /* groups */ 399 }; 400 401 /* 402 * KERN_PROC subtype ops return arrays of augmented proc structures: 403 */ 404 struct kinfo_proc { 405 struct proc kp_proc; /* proc structure */ 406 struct eproc { 407 struct proc *e_paddr; /* address of proc */ 408 struct session *e_sess; /* session pointer */ 409 struct ki_pcred e_pcred; /* process credentials */ 410 struct ki_ucred e_ucred; /* current credentials */ 411 struct vmspace e_vm; /* address space */ 412 pid_t e_ppid; /* parent process id */ 413 pid_t e_pgid; /* process group id */ 414 short e_jobc; /* job control counter */ 415 uint32_t e_tdev; /* XXX: controlling tty dev */ 416 pid_t e_tpgid; /* tty process group id */ 417 struct session *e_tsess; /* tty session pointer */ 418 #define WMESGLEN 8 419 char e_wmesg[WMESGLEN]; /* wchan message */ 420 segsz_t e_xsize; /* text size */ 421 short e_xrssize; /* text rss */ 422 short e_xccount; /* text references */ 423 short e_xswrss; 424 long e_flag; 425 #define EPROC_CTTY 0x01 /* controlling tty vnode active */ 426 #define EPROC_SLEADER 0x02 /* session leader */ 427 char e_login[MAXLOGNAME]; /* setlogin() name */ 428 pid_t e_sid; /* session id */ 429 long e_spare[3]; 430 } kp_eproc; 431 }; 432 433 /* 434 * Convert pointer to 64 bit unsigned integer for struct 435 * kinfo_proc2, etc. 436 */ 437 #define PTRTOUINT64(p) ((uint64_t)(uintptr_t)(p)) 438 #define UINT64TOPTR(u) ((void *)(uintptr_t)(u)) 439 440 /* 441 * KERN_PROC2 subtype ops return arrays of relatively fixed size 442 * structures of process info. Use 8 byte alignment, and new 443 * elements should only be added to the end of this structure so 444 * binary compatibility can be preserved. 445 */ 446 #define KI_NGROUPS 16 447 #define KI_MAXCOMLEN 24 /* extra for 8 byte alignment */ 448 #define KI_WMESGLEN 8 449 #define KI_MAXLOGNAME 24 /* extra for 8 byte alignment */ 450 #define KI_MAXEMULLEN 16 451 #define KI_LNAMELEN 20 /* extra 4 for alignment */ 452 453 #define KI_NOCPU (~(uint64_t)0) 454 455 typedef struct { 456 uint32_t __bits[4]; 457 } ki_sigset_t; 458 459 struct kinfo_proc2 { 460 uint64_t p_forw; /* PTR: linked run/sleep queue. */ 461 uint64_t p_back; 462 uint64_t p_paddr; /* PTR: address of proc */ 463 464 uint64_t p_addr; /* PTR: Kernel virtual addr of u-area */ 465 uint64_t p_fd; /* PTR: Ptr to open files structure. */ 466 uint64_t p_cwdi; /* PTR: cdir/rdir/cmask info */ 467 uint64_t p_stats; /* PTR: Accounting/statistics */ 468 uint64_t p_limit; /* PTR: Process limits. */ 469 uint64_t p_vmspace; /* PTR: Address space. */ 470 uint64_t p_sigacts; /* PTR: Signal actions, state */ 471 uint64_t p_sess; /* PTR: session pointer */ 472 uint64_t p_tsess; /* PTR: tty session pointer */ 473 uint64_t p_ru; /* PTR: Exit information. XXX */ 474 475 int32_t p_eflag; /* LONG: extra kinfo_proc2 flags */ 476 int32_t p_exitsig; /* INT: signal to sent to parent on exit */ 477 int32_t p_flag; /* INT: P_* flags. */ 478 479 int32_t p_pid; /* PID_T: Process identifier. */ 480 int32_t p_ppid; /* PID_T: Parent process id */ 481 int32_t p_sid; /* PID_T: session id */ 482 int32_t p__pgid; /* PID_T: process group id */ 483 /* XXX: <sys/proc.h> hijacks p_pgid */ 484 int32_t p_tpgid; /* PID_T: tty process group id */ 485 486 uint32_t p_uid; /* UID_T: effective user id */ 487 uint32_t p_ruid; /* UID_T: real user id */ 488 uint32_t p_gid; /* GID_T: effective group id */ 489 uint32_t p_rgid; /* GID_T: real group id */ 490 491 uint32_t p_groups[KI_NGROUPS]; /* GID_T: groups */ 492 int16_t p_ngroups; /* SHORT: number of groups */ 493 494 int16_t p_jobc; /* SHORT: job control counter */ 495 uint32_t p_tdev; /* XXX: DEV_T: controlling tty dev */ 496 497 uint32_t p_estcpu; /* U_INT: Time averaged value of p_cpticks. */ 498 uint32_t p_rtime_sec; /* STRUCT TIMEVAL: Real time. */ 499 uint32_t p_rtime_usec; /* STRUCT TIMEVAL: Real time. */ 500 int32_t p_cpticks; /* INT: Ticks of CPU time. */ 501 uint32_t p_pctcpu; /* FIXPT_T: %cpu for this process during p_swtime */ 502 uint32_t p_swtime; /* U_INT: Time swapped in or out. */ 503 uint32_t p_slptime; /* U_INT: Time since last blocked. */ 504 int32_t p_schedflags; /* INT: PSCHED_* flags */ 505 506 uint64_t p_uticks; /* U_QUAD_T: Statclock hits in user mode. */ 507 uint64_t p_sticks; /* U_QUAD_T: Statclock hits in system mode. */ 508 uint64_t p_iticks; /* U_QUAD_T: Statclock hits processing intr. */ 509 510 uint64_t p_tracep; /* PTR: Trace to vnode or file */ 511 int32_t p_traceflag; /* INT: Kernel trace points. */ 512 513 int32_t p_holdcnt; /* INT: If non-zero, don't swap. */ 514 515 ki_sigset_t p_siglist; /* SIGSET_T: Signals arrived but not delivered. */ 516 ki_sigset_t p_sigmask; /* SIGSET_T: Current signal mask. */ 517 ki_sigset_t p_sigignore; /* SIGSET_T: Signals being ignored. */ 518 ki_sigset_t p_sigcatch; /* SIGSET_T: Signals being caught by user. */ 519 520 int8_t p_stat; /* CHAR: S* process status (from LWP). */ 521 uint8_t p_priority; /* U_CHAR: Process priority. */ 522 uint8_t p_usrpri; /* U_CHAR: User-priority based on p_cpu and p_nice. */ 523 uint8_t p_nice; /* U_CHAR: Process "nice" value. */ 524 525 uint16_t p_xstat; /* U_SHORT: Exit status for wait; also stop signal. */ 526 uint16_t p_acflag; /* U_SHORT: Accounting flags. */ 527 528 char p_comm[KI_MAXCOMLEN]; 529 530 char p_wmesg[KI_WMESGLEN]; /* wchan message */ 531 uint64_t p_wchan; /* PTR: sleep address. */ 532 533 char p_login[KI_MAXLOGNAME]; /* setlogin() name */ 534 535 int32_t p_vm_rssize; /* SEGSZ_T: current resident set size in pages */ 536 int32_t p_vm_tsize; /* SEGSZ_T: text size (pages) */ 537 int32_t p_vm_dsize; /* SEGSZ_T: data size (pages) */ 538 int32_t p_vm_ssize; /* SEGSZ_T: stack size (pages) */ 539 540 int64_t p_uvalid; /* CHAR: following p_u* parameters are valid */ 541 /* XXX 64 bits for alignment */ 542 uint32_t p_ustart_sec; /* STRUCT TIMEVAL: starting time. */ 543 uint32_t p_ustart_usec; /* STRUCT TIMEVAL: starting time. */ 544 545 uint32_t p_uutime_sec; /* STRUCT TIMEVAL: user time. */ 546 uint32_t p_uutime_usec; /* STRUCT TIMEVAL: user time. */ 547 uint32_t p_ustime_sec; /* STRUCT TIMEVAL: system time. */ 548 uint32_t p_ustime_usec; /* STRUCT TIMEVAL: system time. */ 549 550 uint64_t p_uru_maxrss; /* LONG: max resident set size. */ 551 uint64_t p_uru_ixrss; /* LONG: integral shared memory size. */ 552 uint64_t p_uru_idrss; /* LONG: integral unshared data ". */ 553 uint64_t p_uru_isrss; /* LONG: integral unshared stack ". */ 554 uint64_t p_uru_minflt; /* LONG: page reclaims. */ 555 uint64_t p_uru_majflt; /* LONG: page faults. */ 556 uint64_t p_uru_nswap; /* LONG: swaps. */ 557 uint64_t p_uru_inblock; /* LONG: block input operations. */ 558 uint64_t p_uru_oublock; /* LONG: block output operations. */ 559 uint64_t p_uru_msgsnd; /* LONG: messages sent. */ 560 uint64_t p_uru_msgrcv; /* LONG: messages received. */ 561 uint64_t p_uru_nsignals; /* LONG: signals received. */ 562 uint64_t p_uru_nvcsw; /* LONG: voluntary context switches. */ 563 uint64_t p_uru_nivcsw; /* LONG: involuntary ". */ 564 565 uint32_t p_uctime_sec; /* STRUCT TIMEVAL: child u+s time. */ 566 uint32_t p_uctime_usec; /* STRUCT TIMEVAL: child u+s time. */ 567 uint64_t p_cpuid; /* LONG: CPU id */ 568 uint64_t p_realflag; /* INT: P_* flags (not including LWPs). */ 569 uint64_t p_nlwps; /* LONG: Number of LWPs */ 570 uint64_t p_nrlwps; /* LONG: Number of running LWPs */ 571 uint64_t p_realstat; /* LONG: non-LWP process status */ 572 uint32_t p_svuid; /* UID_T: saved user id */ 573 uint32_t p_svgid; /* GID_T: saved group id */ 574 char p_ename[KI_MAXEMULLEN]; /* emulation name */ 575 int64_t p_vm_vsize; /* SEGSZ_T: total map size (pages) */ 576 int64_t p_vm_msize; /* SEGSZ_T: stack-adjusted map size (pages) */ 577 }; 578 579 /* 580 * Compat flags for kinfo_proc, kinfo_proc2. Not guarenteed to be stable. 581 * Some of them used to be shared with LWP flags. 582 * XXXAD Trim to the minimum necessary... 583 */ 584 585 #define P_ADVLOCK 0x00000001 586 #define P_CONTROLT 0x00000002 587 #define L_INMEM 0x00000004 588 #define P_INMEM /* 0x00000004 */ L_INMEM 589 #define P_NOCLDSTOP 0x00000008 590 #define P_PPWAIT 0x00000010 591 #define P_PROFIL 0x00000020 592 #define L_SELECT 0x00000040 593 #define P_SELECT /* 0x00000040 */ L_SELECT 594 #define L_SINTR 0x00000080 595 #define P_SINTR /* 0x00000080 */ L_SINTR 596 #define P_SUGID 0x00000100 597 #define L_SYSTEM 0x00000200 598 #define P_SYSTEM /* 0x00000200 */ L_SYSTEM 599 #define L_SA 0x00000400 600 #define P_SA /* 0x00000400 */ L_SA 601 #define P_TRACED 0x00000800 602 #define P_WAITED 0x00001000 603 #define P_WEXIT 0x00002000 604 #define P_EXEC 0x00004000 605 #define P_OWEUPC 0x00008000 606 #define P_FSTRACE 0x00010000 607 #define P_NOCLDWAIT 0x00020000 608 #define P_32 0x00040000 609 #define P_CLDSIGIGN 0x00080000 610 #define P_SYSTRACE 0x00200000 611 #define P_CHTRACED 0x00400000 612 #define P_STOPFORK 0x00800000 613 #define P_STOPEXEC 0x01000000 614 #define P_STOPEXIT 0x02000000 615 #define P_SYSCALL 0x04000000 616 #define P_PAXMPROTECT 0x08000000 617 #define P_PAXNOMPROTECT 0x10000000 618 619 /* 620 * LWP compat flags. 621 */ 622 #define L_DETACHED 0x00800000 623 624 /* 625 * KERN_LWP structure. See notes on KERN_PROC2 about adding elements. 626 */ 627 struct kinfo_lwp { 628 uint64_t l_forw; /* PTR: linked run/sleep queue. */ 629 uint64_t l_back; 630 uint64_t l_laddr; /* PTR: Address of LWP */ 631 uint64_t l_addr; /* PTR: Kernel virtual addr of u-area */ 632 int32_t l_lid; /* LWPID_T: LWP identifier */ 633 int32_t l_flag; /* INT: L_* flags. */ 634 uint32_t l_swtime; /* U_INT: Time swapped in or out. */ 635 uint32_t l_slptime; /* U_INT: Time since last blocked. */ 636 int32_t l_schedflags; /* INT: PSCHED_* flags */ 637 int32_t l_holdcnt; /* INT: If non-zero, don't swap. */ 638 uint8_t l_priority; /* U_CHAR: Process priority. */ 639 uint8_t l_usrpri; /* U_CHAR: User-priority based on l_cpu and p_nice. */ 640 int8_t l_stat; /* CHAR: S* process status. */ 641 int8_t l_pad1; /* fill out to 4-byte boundary */ 642 int32_t l_pad2; /* .. and then to an 8-byte boundary */ 643 char l_wmesg[KI_WMESGLEN]; /* wchan message */ 644 uint64_t l_wchan; /* PTR: sleep address. */ 645 uint64_t l_cpuid; /* LONG: CPU id */ 646 uint32_t l_rtime_sec; /* STRUCT TIMEVAL: Real time. */ 647 uint32_t l_rtime_usec; /* STRUCT TIMEVAL: Real time. */ 648 uint32_t l_cpticks; /* INT: ticks during l_swtime */ 649 uint32_t l_pctcpu; /* FIXPT_T: cpu usage for ps */ 650 uint32_t l_pid; /* PID_T: process identifier */ 651 char l_name[KI_LNAMELEN]; /* CHAR[]: name, may be empty */ 652 }; 653 654 /* 655 * KERN_PROC_ARGS subtypes 656 */ 657 #define KERN_PROC_ARGV 1 /* argv */ 658 #define KERN_PROC_NARGV 2 /* number of strings in above */ 659 #define KERN_PROC_ENV 3 /* environ */ 660 #define KERN_PROC_NENV 4 /* number of strings in above */ 661 662 /* 663 * KERN_SYSVIPC subtypes 664 */ 665 #define KERN_SYSVIPC_INFO 1 /* struct: number of valid kern ids */ 666 #define KERN_SYSVIPC_MSG 2 /* int: SysV message queue suppoprt */ 667 #define KERN_SYSVIPC_SEM 3 /* int: SysV semaphore support */ 668 #define KERN_SYSVIPC_SHM 4 /* int: SysV shared memory support */ 669 #define KERN_SYSVIPC_SHMMAX 5 /* int: max shared memory segment size (bytes) */ 670 #define KERN_SYSVIPC_SHMMNI 6 /* int: max number of shared memory identifiers */ 671 #define KERN_SYSVIPC_SHMSEG 7 /* int: max shared memory segments per process */ 672 #define KERN_SYSVIPC_SHMMAXPGS 8 /* int: max amount of shared memory (pages) */ 673 #define KERN_SYSVIPC_SHMUSEPHYS 9 /* int: physical memory usage */ 674 675 /* 676 * KERN_SYSVIPC_INFO subtypes 677 */ 678 /* KERN_SYSVIPC_OMSG_INFO 1 */ 679 /* KERN_SYSVIPC_OSEM_INFO 2 */ 680 /* KERN_SYSVIPC_OSHM_INFO 3 */ 681 #define KERN_SYSVIPC_MSG_INFO 4 /* msginfo and msqid_ds */ 682 #define KERN_SYSVIPC_SEM_INFO 5 /* seminfo and semid_ds */ 683 #define KERN_SYSVIPC_SHM_INFO 6 /* shminfo and shmid_ds */ 684 685 /* 686 * tty counter sysctl variables 687 */ 688 #define KERN_TKSTAT_NIN 1 /* total input character */ 689 #define KERN_TKSTAT_NOUT 2 /* total output character */ 690 #define KERN_TKSTAT_CANCC 3 /* canonical input character */ 691 #define KERN_TKSTAT_RAWCC 4 /* raw input character */ 692 #define KERN_TKSTAT_MAXID 5 /* number of valid TKSTAT ids */ 693 694 #define KERN_TKSTAT_NAMES { \ 695 { 0, 0 }, \ 696 { "nin", CTLTYPE_QUAD }, \ 697 { "nout", CTLTYPE_QUAD }, \ 698 { "cancc", CTLTYPE_QUAD }, \ 699 { "rawcc", CTLTYPE_QUAD }, \ 700 } 701 702 /* 703 * kern.drivers returns an array of these. 704 */ 705 706 struct kinfo_drivers { 707 devmajor_t d_cmajor; 708 devmajor_t d_bmajor; 709 char d_name[24]; 710 }; 711 712 /* 713 * KERN_BUF subtypes, like KERN_PROC2, where the four following mib 714 * entries specify "which type of buf", "which particular buf", 715 * "sizeof buf", and "how many". Currently, only "all buf" is 716 * defined. 717 */ 718 #define KERN_BUF_ALL 0 /* all buffers */ 719 720 /* 721 * kern.buf returns an array of these structures, which are designed 722 * both to be immune to 32/64 bit emulation issues and to provide 723 * backwards compatibility. Note that the order here differs slightly 724 * from the real struct buf in order to achieve proper 64 bit 725 * alignment. 726 */ 727 struct buf_sysctl { 728 uint32_t b_flags; /* LONG: B_* flags */ 729 int32_t b_error; /* INT: Errno value */ 730 int32_t b_prio; /* INT: Hint for buffer queue discipline */ 731 uint32_t b_dev; /* DEV_T: Device associated with buffer */ 732 uint64_t b_bufsize; /* LONG: Allocated buffer size */ 733 uint64_t b_bcount; /* LONG: Valid bytes in buffer */ 734 uint64_t b_resid; /* LONG: Remaining I/O */ 735 uint64_t b_addr; /* CADDR_T: Memory, superblocks, indirect... */ 736 uint64_t b_blkno; /* DADDR_T: Underlying physical block number */ 737 uint64_t b_rawblkno; /* DADDR_T: Raw underlying physical block */ 738 uint64_t b_iodone; /* PTR: Function called upon completion */ 739 uint64_t b_proc; /* PTR: Associated proc if B_PHYS set */ 740 uint64_t b_vp; /* PTR: File vnode */ 741 uint64_t b_saveaddr; /* PTR: Original b_addr for physio */ 742 uint64_t b_lblkno; /* DADDR_T: Logical block number */ 743 }; 744 745 /* 746 * kern.file2 returns an array of these structures, which are designed 747 * both to be immune to be immune to 32/64 bit emulation issues and to 748 * provide backwards compatibility. The order differs slightly from 749 * that of the real struct file, and some fields are taken from other 750 * structures (struct vnode, struct proc) in order to make the file 751 * information more useful. 752 */ 753 struct kinfo_file { 754 uint64_t ki_fileaddr; /* PTR: address of struct file */ 755 uint32_t ki_flag; /* INT: flags (see fcntl.h) */ 756 uint32_t ki_iflags; /* INT: internal flags */ 757 uint32_t ki_ftype; /* INT: descriptor type */ 758 uint32_t ki_count; /* UINT: reference count */ 759 uint32_t ki_msgcount; /* UINT: references from msg queue */ 760 uint32_t ki_usecount; /* INT: number active users */ 761 uint64_t ki_fucred; /* PTR: creds for descriptor */ 762 uint32_t ki_fuid; /* UID_T: descriptor credentials */ 763 uint32_t ki_fgid; /* GID_T: descriptor credentials */ 764 uint64_t ki_fops; /* PTR: address of fileops */ 765 uint64_t ki_foffset; /* OFF_T: offset */ 766 uint64_t ki_fdata; /* PTR: descriptor data */ 767 768 /* vnode information to glue this file to something */ 769 uint64_t ki_vun; /* PTR: socket, specinfo, etc */ 770 uint64_t ki_vsize; /* OFF_T: size of file */ 771 uint32_t ki_vtype; /* ENUM: vnode type */ 772 uint32_t ki_vtag; /* ENUM: type of underlying data */ 773 uint64_t ki_vdata; /* PTR: private data for fs */ 774 775 /* process information when retrieved via KERN_FILE_BYPID */ 776 uint32_t ki_pid; /* PID_T: process id */ 777 int32_t ki_fd; /* INT: descriptor number */ 778 uint32_t ki_ofileflags; /* CHAR: open file flags */ 779 uint32_t _ki_padto64bits; 780 }; 781 782 #define KERN_FILE_BYFILE 1 783 #define KERN_FILE_BYPID 2 784 #define KERN_FILESLOP 10 785 786 /* 787 * kern.evcnt returns an array of these structures, which are designed both to 788 * be immune to 32/64 bit emulation issues. Note that the struct here differs 789 * from the real struct evcnt but contains the same information in order to 790 * accomodate sysctl. 791 */ 792 struct evcnt_sysctl { 793 uint64_t ev_count; /* current count */ 794 uint64_t ev_addr; /* kernel address of evcnt */ 795 uint64_t ev_parent; /* kernel address of parent */ 796 uint8_t ev_type; /* EVCNT_TRAP_* */ 797 uint8_t ev_grouplen; /* length of group with NUL */ 798 uint8_t ev_namelen; /* length of name with NUL */ 799 uint8_t ev_len; /* multiply by 8 */ 800 /* 801 * Now the group and name strings follow (both include the trailing 802 * NUL). ev_name start at &ev_strings[ev_grouplen+1] 803 */ 804 char ev_strings[0]; 805 }; 806 807 #define KERN_EVCNT_COUNT_ANY 0 808 #define KERN_EVCNT_COUNT_NONZERO 1 809 810 /* 811 * CTL_HW identifiers 812 */ 813 #define HW_MACHINE 1 /* string: machine class */ 814 #define HW_MODEL 2 /* string: specific machine model */ 815 #define HW_NCPU 3 /* int: number of cpus */ 816 #define HW_BYTEORDER 4 /* int: machine byte order */ 817 #define HW_PHYSMEM 5 /* int: total memory (bytes) */ 818 #define HW_USERMEM 6 /* int: non-kernel memory (bytes) */ 819 #define HW_PAGESIZE 7 /* int: software page size */ 820 #define HW_DISKNAMES 8 /* string: disk drive names */ 821 #define HW_IOSTATS 9 /* struct: iostats[] */ 822 #define HW_MACHINE_ARCH 10 /* string: machine architecture */ 823 #define HW_ALIGNBYTES 11 /* int: ALIGNBYTES for the kernel */ 824 #define HW_CNMAGIC 12 /* string: console magic sequence(s) */ 825 #define HW_PHYSMEM64 13 /* quad: total memory (bytes) */ 826 #define HW_USERMEM64 14 /* quad: non-kernel memory (bytes) */ 827 #define HW_IOSTATNAMES 15 /* string: iostat names */ 828 #define HW_MAXID 15 /* number of valid hw ids */ 829 #define HW_NCPUONLINE 16 /* number CPUs online */ 830 831 #define CTL_HW_NAMES { \ 832 { 0, 0 }, \ 833 { "machine", CTLTYPE_STRING }, \ 834 { "model", CTLTYPE_STRING }, \ 835 { "ncpu", CTLTYPE_INT }, \ 836 { "byteorder", CTLTYPE_INT }, \ 837 { "physmem", CTLTYPE_INT }, \ 838 { "usermem", CTLTYPE_INT }, \ 839 { "pagesize", CTLTYPE_INT }, \ 840 { "drivenames", CTLTYPE_STRING }, \ 841 { "drivestats", CTLTYPE_STRUCT }, \ 842 { "machine_arch", CTLTYPE_STRING }, \ 843 { "alignbytes", CTLTYPE_INT }, \ 844 { "cnmagic", CTLTYPE_STRING }, \ 845 { "physmem64", CTLTYPE_QUAD }, \ 846 { "usermem64", CTLTYPE_QUAD }, \ 847 { "ncpuonline", CTLTYPE_INT }, \ 848 } 849 850 /* 851 * CTL_USER definitions 852 */ 853 #define USER_CS_PATH 1 /* string: _CS_PATH */ 854 #define USER_BC_BASE_MAX 2 /* int: BC_BASE_MAX */ 855 #define USER_BC_DIM_MAX 3 /* int: BC_DIM_MAX */ 856 #define USER_BC_SCALE_MAX 4 /* int: BC_SCALE_MAX */ 857 #define USER_BC_STRING_MAX 5 /* int: BC_STRING_MAX */ 858 #define USER_COLL_WEIGHTS_MAX 6 /* int: COLL_WEIGHTS_MAX */ 859 #define USER_EXPR_NEST_MAX 7 /* int: EXPR_NEST_MAX */ 860 #define USER_LINE_MAX 8 /* int: LINE_MAX */ 861 #define USER_RE_DUP_MAX 9 /* int: RE_DUP_MAX */ 862 #define USER_POSIX2_VERSION 10 /* int: POSIX2_VERSION */ 863 #define USER_POSIX2_C_BIND 11 /* int: POSIX2_C_BIND */ 864 #define USER_POSIX2_C_DEV 12 /* int: POSIX2_C_DEV */ 865 #define USER_POSIX2_CHAR_TERM 13 /* int: POSIX2_CHAR_TERM */ 866 #define USER_POSIX2_FORT_DEV 14 /* int: POSIX2_FORT_DEV */ 867 #define USER_POSIX2_FORT_RUN 15 /* int: POSIX2_FORT_RUN */ 868 #define USER_POSIX2_LOCALEDEF 16 /* int: POSIX2_LOCALEDEF */ 869 #define USER_POSIX2_SW_DEV 17 /* int: POSIX2_SW_DEV */ 870 #define USER_POSIX2_UPE 18 /* int: POSIX2_UPE */ 871 #define USER_STREAM_MAX 19 /* int: POSIX2_STREAM_MAX */ 872 #define USER_TZNAME_MAX 20 /* int: _POSIX_TZNAME_MAX */ 873 #define USER_ATEXIT_MAX 21 /* int: {ATEXIT_MAX} */ 874 #define USER_MAXID 22 /* number of valid user ids */ 875 876 #define CTL_USER_NAMES { \ 877 { 0, 0 }, \ 878 { "cs_path", CTLTYPE_STRING }, \ 879 { "bc_base_max", CTLTYPE_INT }, \ 880 { "bc_dim_max", CTLTYPE_INT }, \ 881 { "bc_scale_max", CTLTYPE_INT }, \ 882 { "bc_string_max", CTLTYPE_INT }, \ 883 { "coll_weights_max", CTLTYPE_INT }, \ 884 { "expr_nest_max", CTLTYPE_INT }, \ 885 { "line_max", CTLTYPE_INT }, \ 886 { "re_dup_max", CTLTYPE_INT }, \ 887 { "posix2_version", CTLTYPE_INT }, \ 888 { "posix2_c_bind", CTLTYPE_INT }, \ 889 { "posix2_c_dev", CTLTYPE_INT }, \ 890 { "posix2_char_term", CTLTYPE_INT }, \ 891 { "posix2_fort_dev", CTLTYPE_INT }, \ 892 { "posix2_fort_run", CTLTYPE_INT }, \ 893 { "posix2_localedef", CTLTYPE_INT }, \ 894 { "posix2_sw_dev", CTLTYPE_INT }, \ 895 { "posix2_upe", CTLTYPE_INT }, \ 896 { "stream_max", CTLTYPE_INT }, \ 897 { "tzname_max", CTLTYPE_INT }, \ 898 { "atexit_max", CTLTYPE_INT }, \ 899 } 900 901 /* 902 * CTL_DDB definitions 903 */ 904 #define DDBCTL_RADIX 1 /* int: Input and output radix */ 905 #define DDBCTL_MAXOFF 2 /* int: max symbol offset */ 906 #define DDBCTL_MAXWIDTH 3 /* int: width of the display line */ 907 #define DDBCTL_LINES 4 /* int: number of display lines */ 908 #define DDBCTL_TABSTOPS 5 /* int: tab width */ 909 #define DDBCTL_ONPANIC 6 /* int: DDB on panic if non-zero */ 910 #define DDBCTL_FROMCONSOLE 7 /* int: DDB via console if non-zero */ 911 #define DDBCTL_MAXID 8 /* number of valid DDB ids */ 912 913 #define CTL_DDB_NAMES { \ 914 { 0, 0 }, \ 915 { "radix", CTLTYPE_INT }, \ 916 { "maxoff", CTLTYPE_INT }, \ 917 { "maxwidth", CTLTYPE_INT }, \ 918 { "lines", CTLTYPE_INT }, \ 919 { "tabstops", CTLTYPE_INT }, \ 920 { "onpanic", CTLTYPE_INT }, \ 921 { "fromconsole", CTLTYPE_INT }, \ 922 } 923 924 /* 925 * CTL_DEBUG definitions 926 * 927 * Second level identifier specifies which debug variable. 928 * Third level identifier specifies which structure component. 929 */ 930 #define CTL_DEBUG_NAME 0 /* string: variable name */ 931 #define CTL_DEBUG_VALUE 1 /* int: variable value */ 932 #define CTL_DEBUG_MAXID 20 933 934 /* 935 * CTL_PROC subtype. Either a PID, or a magic value for the current proc. 936 */ 937 938 #define PROC_CURPROC (~((u_int)1 << 31)) 939 940 /* 941 * CTL_PROC tree: either corename (string), or a limit 942 * (rlimit.<type>.{hard,soft}, int). 943 */ 944 #define PROC_PID_CORENAME 1 945 #define PROC_PID_LIMIT 2 946 #define PROC_PID_STOPFORK 3 947 #define PROC_PID_STOPEXEC 4 948 #define PROC_PID_STOPEXIT 5 949 #define PROC_PID_MAXID 6 950 951 #define PROC_PID_NAMES { \ 952 { 0, 0 }, \ 953 { "corename", CTLTYPE_STRING }, \ 954 { "rlimit", CTLTYPE_NODE }, \ 955 { "stopfork", CTLTYPE_INT }, \ 956 { "stopexec", CTLTYPE_INT }, \ 957 { "stopexit", CTLTYPE_INT }, \ 958 } 959 960 /* Limit types from <sys/resources.h> */ 961 #define PROC_PID_LIMIT_CPU (RLIMIT_CPU+1) 962 #define PROC_PID_LIMIT_FSIZE (RLIMIT_FSIZE+1) 963 #define PROC_PID_LIMIT_DATA (RLIMIT_DATA+1) 964 #define PROC_PID_LIMIT_STACK (RLIMIT_STACK+1) 965 #define PROC_PID_LIMIT_CORE (RLIMIT_CORE+1) 966 #define PROC_PID_LIMIT_RSS (RLIMIT_RSS+1) 967 #define PROC_PID_LIMIT_MEMLOCK (RLIMIT_MEMLOCK+1) 968 #define PROC_PID_LIMIT_NPROC (RLIMIT_NPROC+1) 969 #define PROC_PID_LIMIT_NOFILE (RLIMIT_NOFILE+1) 970 #define PROC_PID_LIMIT_SBSIZE (RLIMIT_SBSIZE+1) 971 #define PROC_PID_LIMIT_AS (RLIMIT_AS+1) 972 #define PROC_PID_LIMIT_MAXID (RLIM_NLIMITS+1) 973 974 #define PROC_PID_LIMIT_NAMES { \ 975 { 0, 0 }, \ 976 { "cputime", CTLTYPE_NODE }, \ 977 { "filesize", CTLTYPE_NODE }, \ 978 { "datasize", CTLTYPE_NODE }, \ 979 { "stacksize", CTLTYPE_NODE }, \ 980 { "coredumpsize", CTLTYPE_NODE }, \ 981 { "memoryuse", CTLTYPE_NODE }, \ 982 { "memorylocked", CTLTYPE_NODE }, \ 983 { "maxproc", CTLTYPE_NODE }, \ 984 { "descriptors", CTLTYPE_NODE }, \ 985 { "sbsize", CTLTYPE_NODE }, \ 986 { "vmemoryuse", CTLTYPE_NODE }, \ 987 } 988 /* for each type, either hard or soft value */ 989 #define PROC_PID_LIMIT_TYPE_SOFT 1 990 #define PROC_PID_LIMIT_TYPE_HARD 2 991 #define PROC_PID_LIMIT_TYPE_MAXID 3 992 993 #define PROC_PID_LIMIT_TYPE_NAMES { \ 994 {0, 0}, \ 995 { "soft", CTLTYPE_QUAD }, \ 996 { "hard", CTLTYPE_QUAD }, \ 997 } 998 999 /* 1000 * CTL_EMUL definitions 1001 * 1002 * Second level identifier specifies which emulation variable. 1003 * Subsequent levels are specified in the emulations themselves. 1004 */ 1005 #define EMUL_LINUX 1 1006 #define EMUL_IRIX 2 1007 #define EMUL_DARWIN 3 1008 #define EMUL_MACH 4 1009 #define EMUL_LINUX32 5 1010 1011 #define EMUL_MAXID 6 1012 #define CTL_EMUL_NAMES { \ 1013 { 0, 0 }, \ 1014 { "linux", CTLTYPE_NODE }, \ 1015 { "irix", CTLTYPE_NODE }, \ 1016 { "darwin", CTLTYPE_NODE }, \ 1017 { "mach", CTLTYPE_NODE }, \ 1018 { "linux32", CTLTYPE_NODE }, \ 1019 } 1020 1021 #ifdef _KERNEL 1022 1023 #if defined(_KERNEL_OPT) 1024 #include "opt_sysctl.h" 1025 #endif 1026 1027 /* Root node of the kernel sysctl tree */ 1028 extern struct sysctlnode sysctl_root; 1029 1030 /* 1031 * A log of nodes created by a setup function or set of setup 1032 * functions so that they can be torn down in one "transaction" 1033 * when no longer needed. 1034 * 1035 * Users of the log merely pass a pointer to a pointer, and the sysctl 1036 * infrastructure takes care of the rest. 1037 */ 1038 struct sysctllog; 1039 1040 /* 1041 * CTL_DEBUG variables. 1042 * 1043 * These are declared as separate variables so that they can be 1044 * individually initialized at the location of their associated 1045 * variable. The loader prevents multiple use by issuing errors 1046 * if a variable is initialized in more than one place. They are 1047 * aggregated into an array in debug_sysctl(), so that it can 1048 * conveniently locate them when querried. If more debugging 1049 * variables are added, they must also be declared here and also 1050 * entered into the array. 1051 * 1052 * Note that the debug subtree is largely obsolescent in terms of 1053 * functionality now that we have dynamic sysctl, but the 1054 * infrastructure is retained for backwards compatibility. 1055 */ 1056 struct ctldebug { 1057 const char *debugname; /* name of debugging variable */ 1058 int *debugvar; /* pointer to debugging variable */ 1059 }; 1060 #ifdef DEBUG 1061 extern struct ctldebug debug0, debug1, debug2, debug3, debug4; 1062 extern struct ctldebug debug5, debug6, debug7, debug8, debug9; 1063 extern struct ctldebug debug10, debug11, debug12, debug13, debug14; 1064 extern struct ctldebug debug15, debug16, debug17, debug18, debug19; 1065 #endif /* DEBUG */ 1066 1067 #define SYSCTLFN_PROTO const int *, u_int, void *, \ 1068 size_t *, const void *, size_t, \ 1069 const int *, struct lwp *, const struct sysctlnode * 1070 #define SYSCTLFN_ARGS const int *name, u_int namelen, \ 1071 void *oldp, size_t *oldlenp, \ 1072 const void *newp, size_t newlen, \ 1073 const int *oname, struct lwp *l, \ 1074 const struct sysctlnode *rnode 1075 #define SYSCTLFN_CALL(node) name, namelen, oldp, \ 1076 oldlenp, newp, newlen, \ 1077 oname, l, node 1078 1079 #ifdef _MODULE 1080 1081 #define SYSCTL_SETUP_PROTO(name) \ 1082 void name(struct sysctllog **) 1083 #ifdef SYSCTL_DEBUG_SETUP 1084 #define SYSCTL_SETUP(name, desc) \ 1085 SYSCTL_SETUP_PROTO(name); \ 1086 static void __CONCAT(___,name)(struct sysctllog **); \ 1087 void name(struct sysctllog **clog) { \ 1088 printf("%s\n", desc); \ 1089 __CONCAT(___,name)(clog); } \ 1090 __link_set_add_text(sysctl_funcs, name); \ 1091 static void __CONCAT(___,name)(struct sysctllog **clog) 1092 #else /* !SYSCTL_DEBUG_SETUP */ 1093 #define SYSCTL_SETUP(name, desc) \ 1094 SYSCTL_SETUP_PROTO(name); \ 1095 __link_set_add_text(sysctl_funcs, name); \ 1096 void name(struct sysctllog **clog) 1097 #endif /* !SYSCTL_DEBUG_SETUP */ 1098 1099 #else /* !_MODULE */ 1100 1101 #define SYSCTL_SETUP_PROTO(name) 1102 #ifdef SYSCTL_DEBUG_SETUP 1103 #define SYSCTL_SETUP(name, desc) \ 1104 static void __CONCAT(___,name)(struct sysctllog **); \ 1105 static void name(struct sysctllog **clog) { \ 1106 printf("%s\n", desc); \ 1107 __CONCAT(___,name)(clog); } \ 1108 __link_set_add_text(sysctl_funcs, name); \ 1109 static void __CONCAT(___,name)(struct sysctllog **clog) 1110 #else /* !SYSCTL_DEBUG_SETUP */ 1111 #define SYSCTL_SETUP(name, desc) \ 1112 static void name(struct sysctllog **); \ 1113 __link_set_add_text(sysctl_funcs, name); \ 1114 static void name(struct sysctllog **clog) 1115 #endif /* !SYSCTL_DEBUG_SETUP */ 1116 1117 #endif /* !_MODULE */ 1118 1119 /* 1120 * Internal sysctl function calling convention: 1121 * 1122 * (*sysctlfn)(name, namelen, oldval, oldlenp, newval, newlen, 1123 * origname, lwp, node); 1124 * 1125 * The name parameter points at the next component of the name to be 1126 * interpreted. The namelen parameter is the number of integers in 1127 * the name. The origname parameter points to the start of the name 1128 * being parsed. The node parameter points to the node on which the 1129 * current operation is to be performed. 1130 */ 1131 typedef int (*sysctlfn)(SYSCTLFN_PROTO); 1132 1133 /* 1134 * used in more than just sysctl 1135 */ 1136 void fill_eproc(struct proc *, struct eproc *, bool); 1137 1138 /* 1139 * subsystem setup 1140 */ 1141 void sysctl_init(void); 1142 void sysctl_finalize(void); 1143 1144 /* 1145 * typical syscall call order 1146 */ 1147 void sysctl_lock(bool); 1148 int sysctl_dispatch(SYSCTLFN_PROTO); 1149 void sysctl_unlock(void); 1150 void sysctl_relock(void); 1151 1152 /* 1153 * tree navigation primitives (must obtain lock before using these) 1154 */ 1155 int sysctl_locate(struct lwp *, const int *, u_int, 1156 const struct sysctlnode **, int *); 1157 int sysctl_query(SYSCTLFN_PROTO); 1158 int sysctl_create(SYSCTLFN_PROTO); 1159 int sysctl_destroy(SYSCTLFN_PROTO); 1160 int sysctl_lookup(SYSCTLFN_PROTO); 1161 int sysctl_describe(SYSCTLFN_PROTO); 1162 1163 /* 1164 * simple variadic interface for adding/removing nodes 1165 */ 1166 int sysctl_createv(struct sysctllog **, int, 1167 const struct sysctlnode **, const struct sysctlnode **, 1168 int, int, const char *, const char *, 1169 sysctlfn, u_quad_t, void *, size_t, ...); 1170 int sysctl_destroyv(struct sysctlnode *, ...); 1171 1172 /* 1173 * miscellany 1174 */ 1175 void sysctl_dump(const struct sysctlnode *); 1176 void sysctl_free(struct sysctlnode *); 1177 void sysctl_teardown(struct sysctllog **); 1178 void sysctl_log_print(const struct sysctllog *); 1179 1180 #ifdef SYSCTL_INCLUDE_DESCR 1181 #define SYSCTL_DESCR(s) s 1182 #else /* SYSCTL_INCLUDE_DESCR */ 1183 #define SYSCTL_DESCR(s) NULL 1184 #endif /* SYSCTL_INCLUDE_DESCR */ 1185 1186 /* 1187 * simple interface similar to old interface for in-kernel consumption 1188 */ 1189 int old_sysctl(int *, u_int, void *, size_t *, void *, size_t, struct lwp *); 1190 1191 /* 1192 * these helpers are in other files (XXX so should the nodes be) or 1193 * are used by more than one node 1194 */ 1195 int sysctl_hw_tapenames(SYSCTLFN_PROTO); 1196 int sysctl_hw_tapestats(SYSCTLFN_PROTO); 1197 int sysctl_kern_vnode(SYSCTLFN_PROTO); 1198 int sysctl_net_inet_ip_ports(SYSCTLFN_PROTO); 1199 int sysctl_consdev(SYSCTLFN_PROTO); 1200 int sysctl_root_device(SYSCTLFN_PROTO); 1201 int sysctl_vfs_generic_fstypes(SYSCTLFN_PROTO); 1202 1203 /* 1204 * primitive helper stubs 1205 */ 1206 int sysctl_needfunc(SYSCTLFN_PROTO); 1207 int sysctl_notavail(SYSCTLFN_PROTO); 1208 int sysctl_null(SYSCTLFN_PROTO); 1209 1210 int sysctl_copyin(struct lwp *, const void *, void *, size_t); 1211 int sysctl_copyout(struct lwp *, const void *, void *, size_t); 1212 int sysctl_copyinstr(struct lwp *, const void *, void *, size_t, size_t *); 1213 1214 u_int sysctl_map_flags(const u_int *, u_int); 1215 1216 MALLOC_DECLARE(M_SYSCTLNODE); 1217 MALLOC_DECLARE(M_SYSCTLDATA); 1218 1219 extern const u_int sysctl_lwpflagmap[]; 1220 1221 #else /* !_KERNEL */ 1222 #include <sys/cdefs.h> 1223 1224 typedef void *sysctlfn; 1225 1226 __BEGIN_DECLS 1227 int sysctl(const int *, u_int, void *, size_t *, const void *, size_t); 1228 int sysctlbyname(const char *, void *, size_t *, const void *, size_t); 1229 int sysctlgetmibinfo(const char *, int *, u_int *, 1230 char *, size_t *, struct sysctlnode **, int); 1231 int sysctlnametomib(const char *, int *, size_t *); 1232 __END_DECLS 1233 1234 #endif /* !_KERNEL */ 1235 1236 #ifdef __COMPAT_SYSCTL 1237 /* 1238 * old node definitions go here 1239 */ 1240 #endif /* __COMPAT_SYSCTL */ 1241 1242 /* 1243 * padding makes alignment magically "work" for 32/64 compatibility at 1244 * the expense of making things bigger on 32 bit platforms. 1245 */ 1246 #if defined(_LP64) || (BYTE_ORDER == LITTLE_ENDIAN) 1247 #define __sysc_pad(type) union { uint64_t __sysc_upad; \ 1248 struct { type __sysc_sdatum; } __sysc_ustr; } 1249 #else 1250 #define __sysc_pad(type) union { uint64_t __sysc_upad; \ 1251 struct { uint32_t __sysc_spad; type __sysc_sdatum; } __sysc_ustr; } 1252 #endif 1253 #define __sysc_unpad(x) x.__sysc_ustr.__sysc_sdatum 1254 1255 /* 1256 * The following is for gcc2, which doesn't handle __sysc_unpad(). 1257 * The code gets a little less ugly this way. 1258 */ 1259 #define sysc_init_field(field, value) \ 1260 .field = { .__sysc_ustr = { .__sysc_sdatum = (value), }, } 1261 1262 struct sysctlnode { 1263 uint32_t sysctl_flags; /* flags and type */ 1264 int32_t sysctl_num; /* mib number */ 1265 char sysctl_name[SYSCTL_NAMELEN]; /* node name */ 1266 uint32_t sysctl_ver; /* node's version vs. rest of tree */ 1267 uint32_t __rsvd; 1268 union { 1269 struct { 1270 uint32_t suc_csize; /* size of child node array */ 1271 uint32_t suc_clen; /* number of valid children */ 1272 __sysc_pad(struct sysctlnode*) _suc_child; /* array of child nodes */ 1273 } scu_child; 1274 struct { 1275 __sysc_pad(void*) _sud_data; /* pointer to external data */ 1276 __sysc_pad(size_t) _sud_offset; /* offset to data */ 1277 } scu_data; 1278 int32_t scu_alias; /* node this node refers to */ 1279 int32_t scu_idata; /* immediate "int" data */ 1280 u_quad_t scu_qdata; /* immediate "u_quad_t" data */ 1281 bool scu_bdata; /* immediate bool data */ 1282 } sysctl_un; 1283 __sysc_pad(size_t) _sysctl_size; /* size of instrumented data */ 1284 __sysc_pad(sysctlfn) _sysctl_func; /* access helper function */ 1285 __sysc_pad(struct sysctlnode*) _sysctl_parent; /* parent of this node */ 1286 __sysc_pad(const char *) _sysctl_desc; /* description of node */ 1287 }; 1288 1289 /* 1290 * padded data 1291 */ 1292 #define suc_child __sysc_unpad(_suc_child) 1293 #define sud_data __sysc_unpad(_sud_data) 1294 #define sud_offset __sysc_unpad(_sud_offset) 1295 #define sysctl_size __sysc_unpad(_sysctl_size) 1296 #define sysctl_func __sysc_unpad(_sysctl_func) 1297 #define sysctl_parent __sysc_unpad(_sysctl_parent) 1298 #define sysctl_desc __sysc_unpad(_sysctl_desc) 1299 1300 /* 1301 * nested data (may also be padded) 1302 */ 1303 #define sysctl_csize sysctl_un.scu_child.suc_csize 1304 #define sysctl_clen sysctl_un.scu_child.suc_clen 1305 #define sysctl_child sysctl_un.scu_child.suc_child 1306 #define sysctl_data sysctl_un.scu_data.sud_data 1307 #define sysctl_offset sysctl_un.scu_data.sud_offset 1308 #define sysctl_alias sysctl_un.scu_alias 1309 #define sysctl_idata sysctl_un.scu_idata 1310 #define sysctl_qdata sysctl_un.scu_qdata 1311 #define sysctl_bdata sysctl_un.scu_bdata 1312 1313 /* 1314 * when requesting a description of a node (a set of nodes, actually), 1315 * you get back an "array" of these, where the actual length of the 1316 * descr_str is noted in descr_len (which includes the trailing nul 1317 * byte), rounded up to the nearest four (sizeof(int32_t) actually). 1318 * 1319 * NEXT_DESCR() will take a pointer to a description and advance it to 1320 * the next description. 1321 */ 1322 struct sysctldesc { 1323 int32_t descr_num; /* mib number of node */ 1324 uint32_t descr_ver; /* version of node */ 1325 uint32_t descr_len; /* length of description string */ 1326 char descr_str[1]; /* not really 1...see above */ 1327 }; 1328 1329 #define __sysc_desc_roundup(x) ((((x) - 1) | (sizeof(int32_t) - 1)) + 1) 1330 #define __sysc_desc_adv(d, l) \ 1331 (/*XXXUNCONST ptr cast*/(struct sysctldesc *) \ 1332 __UNCONST(((const char*)(d)) + offsetof(struct sysctldesc, descr_str) +\ 1333 __sysc_desc_roundup(l))) 1334 #define NEXT_DESCR(d) __sysc_desc_adv((d), (d)->descr_len) 1335 1336 static __inline const struct sysctlnode * 1337 sysctl_rootof(const struct sysctlnode *n) 1338 { 1339 while (n->sysctl_parent != NULL) 1340 n = n->sysctl_parent; 1341 return (n); 1342 } 1343 1344 #endif /* !_SYS_SYSCTL_H_ */ 1345