1 /* $NetBSD: sysctl.h,v 1.209 2013/09/20 12:20:01 wiz 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 #include <sys/param.h> /* precautionary upon removal from ucred.h */ 41 #include <sys/proc.h> /* Needed for things like P_ZOMBIE() and LW_SINTR */ 42 #include <uvm/uvm_param.h> 43 44 #if defined(_KERNEL) || defined(_KMEMUSER) 45 /* 46 * These are for the eproc structure defined below. 47 */ 48 #include <sys/time.h> 49 #include <sys/ucred.h> 50 #include <sys/ucontext.h> 51 #include <sys/mallocvar.h> 52 #include <uvm/uvm_extern.h> 53 #endif 54 55 56 /* For offsetof() */ 57 #if defined(_KERNEL) || defined(_STANDALONE) 58 #include <sys/systm.h> 59 #else 60 #include <stddef.h> 61 #include <stdbool.h> 62 #endif 63 64 #ifdef SYSCTL_PRIVATE 65 #include <sys/cprng.h> 66 #endif 67 68 /* 69 * Definitions for sysctl call. The sysctl call uses a hierarchical name 70 * for objects that can be examined or modified. The name is expressed as 71 * a sequence of integers. Like a file path name, the meaning of each 72 * component depends on its place in the hierarchy. The top-level and kern 73 * identifiers are defined here, and other identifiers are defined in the 74 * respective subsystem header files. 75 */ 76 77 struct sysctlnode; 78 79 #define CTL_MAXNAME 12 /* largest number of components supported */ 80 #define SYSCTL_NAMELEN 32 /* longest name allowed for a node */ 81 82 #define CREATE_BASE (1024) /* start of dynamic mib allocation */ 83 #define SYSCTL_DEFSIZE 8 /* initial size of a child set */ 84 85 /* 86 * Each subsystem defined by sysctl defines a list of variables 87 * for that subsystem. Each name is either a node with further 88 * levels defined below it, or it is a leaf of some particular 89 * type given below. Each sysctl level defines a set of name/type 90 * pairs to be used by sysctl(1) in manipulating the subsystem. 91 */ 92 struct ctlname { 93 const char *ctl_name; /* subsystem name */ 94 int ctl_type; /* type of name */ 95 }; 96 #define CTLTYPE_NODE 1 /* name is a node */ 97 #define CTLTYPE_INT 2 /* name describes an integer */ 98 #define CTLTYPE_STRING 3 /* name describes a string */ 99 #define CTLTYPE_QUAD 4 /* name describes a 64-bit number */ 100 #define CTLTYPE_STRUCT 5 /* name describes a structure */ 101 #define CTLTYPE_BOOL 6 /* name describes a bool */ 102 103 #ifdef _LP64 104 #define CTLTYPE_LONG CTLTYPE_QUAD 105 #else 106 #define CTLTYPE_LONG CTLTYPE_INT 107 #endif 108 109 /* 110 * Flags that apply to each node, governing access and other features 111 */ 112 #define CTLFLAG_READONLY 0x00000000 113 /* #define CTLFLAG_UNUSED1 0x00000010 */ 114 /* #define CTLFLAG_UNUSED2 0x00000020 */ 115 /* #define CTLFLAG_READ* 0x00000040 */ 116 #define CTLFLAG_READWRITE 0x00000070 117 #define CTLFLAG_ANYWRITE 0x00000080 118 #define CTLFLAG_PRIVATE 0x00000100 119 #define CTLFLAG_PERMANENT 0x00000200 120 #define CTLFLAG_OWNDATA 0x00000400 121 #define CTLFLAG_IMMEDIATE 0x00000800 122 #define CTLFLAG_HEX 0x00001000 123 #define CTLFLAG_ROOT 0x00002000 124 #define CTLFLAG_ANYNUMBER 0x00004000 125 #define CTLFLAG_HIDDEN 0x00008000 126 #define CTLFLAG_ALIAS 0x00010000 127 #define CTLFLAG_MMAP 0x00020000 128 #define CTLFLAG_OWNDESC 0x00040000 129 #define CTLFLAG_UNSIGNED 0x00080000 130 131 /* 132 * sysctl API version 133 */ 134 #define SYSCTL_VERS_MASK 0xff000000 135 #define SYSCTL_VERS_0 0x00000000 136 #define SYSCTL_VERS_1 0x01000000 137 #define SYSCTL_VERSION SYSCTL_VERS_1 138 #define SYSCTL_VERS(f) ((f) & SYSCTL_VERS_MASK) 139 140 /* 141 * Flags that can be set by a create request from user-space 142 */ 143 #define SYSCTL_USERFLAGS (CTLFLAG_READWRITE|\ 144 CTLFLAG_ANYWRITE|\ 145 CTLFLAG_PRIVATE|\ 146 CTLFLAG_OWNDATA|\ 147 CTLFLAG_IMMEDIATE|\ 148 CTLFLAG_HEX|\ 149 CTLFLAG_HIDDEN) 150 151 /* 152 * Accessor macros 153 */ 154 #define SYSCTL_TYPEMASK 0x0000000f 155 #define SYSCTL_TYPE(x) ((x) & SYSCTL_TYPEMASK) 156 #define SYSCTL_FLAGMASK 0x00fffff0 157 #define SYSCTL_FLAGS(x) ((x) & SYSCTL_FLAGMASK) 158 159 /* 160 * Meta-identifiers 161 */ 162 #define CTL_EOL (-1) /* end of createv/destroyv list */ 163 #define CTL_QUERY (-2) /* enumerates children of a node */ 164 #define CTL_CREATE (-3) /* node create request */ 165 #define CTL_CREATESYM (-4) /* node create request with symbol */ 166 #define CTL_DESTROY (-5) /* node destroy request */ 167 #define CTL_MMAP (-6) /* mmap request */ 168 #define CTL_DESCRIBE (-7) /* get node descriptions */ 169 170 /* 171 * Top-level identifiers 172 */ 173 #define CTL_UNSPEC 0 /* unused */ 174 #define CTL_KERN 1 /* "high kernel": proc, limits */ 175 #define CTL_VM 2 /* virtual memory */ 176 #define CTL_VFS 3 /* file system, mount type is next */ 177 #define CTL_NET 4 /* network, see socket.h */ 178 #define CTL_DEBUG 5 /* debugging parameters */ 179 #define CTL_HW 6 /* generic CPU/io */ 180 #define CTL_MACHDEP 7 /* machine dependent */ 181 #define CTL_USER 8 /* user-level */ 182 #define CTL_DDB 9 /* in-kernel debugger */ 183 #define CTL_PROC 10 /* per-proc attr */ 184 #define CTL_VENDOR 11 /* vendor-specific data */ 185 #define CTL_EMUL 12 /* emulation-specific data */ 186 #define CTL_SECURITY 13 /* security */ 187 #define CTL_MAXID 14 /* number of valid top-level ids */ 188 189 /* 190 * The "vendor" toplevel name is to be used by vendors who wish to 191 * have their own private MIB tree. If you do that, please use 192 * vendor.<yourname>.* 193 */ 194 195 /* 196 * CTL_KERN identifiers 197 */ 198 #define KERN_OSTYPE 1 /* string: system version */ 199 #define KERN_OSRELEASE 2 /* string: system release */ 200 #define KERN_OSREV 3 /* int: system revision */ 201 #define KERN_VERSION 4 /* string: compile time info */ 202 #define KERN_MAXVNODES 5 /* int: max vnodes */ 203 #define KERN_MAXPROC 6 /* int: max processes */ 204 #define KERN_MAXFILES 7 /* int: max open files */ 205 #define KERN_ARGMAX 8 /* int: max arguments to exec */ 206 #define KERN_SECURELVL 9 /* int: system security level */ 207 #define KERN_HOSTNAME 10 /* string: hostname */ 208 #define KERN_HOSTID 11 /* int: host identifier */ 209 #define KERN_CLOCKRATE 12 /* struct: struct clockinfo */ 210 #define KERN_VNODE 13 /* struct: vnode structures */ 211 #define KERN_PROC 14 /* struct: process entries */ 212 #define KERN_FILE 15 /* struct: file entries */ 213 #define KERN_PROF 16 /* node: kernel profiling info */ 214 #define KERN_POSIX1 17 /* int: POSIX.1 version */ 215 #define KERN_NGROUPS 18 /* int: # of supplemental group ids */ 216 #define KERN_JOB_CONTROL 19 /* int: is job control available */ 217 #define KERN_SAVED_IDS 20 /* int: saved set-user/group-ID */ 218 #define KERN_OBOOTTIME 21 /* struct: time kernel was booted */ 219 #define KERN_DOMAINNAME 22 /* string: (YP) domainname */ 220 #define KERN_MAXPARTITIONS 23 /* int: number of partitions/disk */ 221 #define KERN_RAWPARTITION 24 /* int: raw partition number */ 222 #define KERN_NTPTIME 25 /* struct: extended-precision time */ 223 #define KERN_TIMEX 26 /* struct: ntp timekeeping state */ 224 #define KERN_AUTONICETIME 27 /* int: proc time before autonice */ 225 #define KERN_AUTONICEVAL 28 /* int: auto nice value */ 226 #define KERN_RTC_OFFSET 29 /* int: offset of rtc from gmt */ 227 #define KERN_ROOT_DEVICE 30 /* string: root device */ 228 #define KERN_MSGBUFSIZE 31 /* int: max # of chars in msg buffer */ 229 #define KERN_FSYNC 32 /* int: file synchronization support */ 230 #define KERN_OLDSYSVMSG 33 /* old: SysV message queue support */ 231 #define KERN_OLDSYSVSEM 34 /* old: SysV semaphore support */ 232 #define KERN_OLDSYSVSHM 35 /* old: SysV shared memory support */ 233 #define KERN_OLDSHORTCORENAME 36 /* old, unimplemented */ 234 #define KERN_SYNCHRONIZED_IO 37 /* int: POSIX synchronized I/O */ 235 #define KERN_IOV_MAX 38 /* int: max iovec's for readv(2) etc. */ 236 #define KERN_MBUF 39 /* node: mbuf parameters */ 237 #define KERN_MAPPED_FILES 40 /* int: POSIX memory mapped files */ 238 #define KERN_MEMLOCK 41 /* int: POSIX memory locking */ 239 #define KERN_MEMLOCK_RANGE 42 /* int: POSIX memory range locking */ 240 #define KERN_MEMORY_PROTECTION 43 /* int: POSIX memory protections */ 241 #define KERN_LOGIN_NAME_MAX 44 /* int: max length login name + NUL */ 242 #define KERN_DEFCORENAME 45 /* old: sort core name format */ 243 #define KERN_LOGSIGEXIT 46 /* int: log signaled processes */ 244 #define KERN_PROC2 47 /* struct: process entries */ 245 #define KERN_PROC_ARGS 48 /* struct: process argv/env */ 246 #define KERN_FSCALE 49 /* int: fixpt FSCALE */ 247 #define KERN_CCPU 50 /* old: fixpt ccpu */ 248 #define KERN_CP_TIME 51 /* struct: CPU time counters */ 249 #define KERN_OLDSYSVIPC_INFO 52 /* old: number of valid kern ids */ 250 #define KERN_MSGBUF 53 /* kernel message buffer */ 251 #define KERN_CONSDEV 54 /* dev_t: console terminal device */ 252 #define KERN_MAXPTYS 55 /* int: maximum number of ptys */ 253 #define KERN_PIPE 56 /* node: pipe limits */ 254 #define KERN_MAXPHYS 57 /* int: kernel value of MAXPHYS */ 255 #define KERN_SBMAX 58 /* int: max socket buffer size */ 256 #define KERN_TKSTAT 59 /* tty in/out counters */ 257 #define KERN_MONOTONIC_CLOCK 60 /* int: POSIX monotonic clock */ 258 #define KERN_URND 61 /* int: random integer from urandom */ 259 #define KERN_LABELSECTOR 62 /* int: disklabel sector */ 260 #define KERN_LABELOFFSET 63 /* int: offset of label within sector */ 261 #define KERN_LWP 64 /* struct: lwp entries */ 262 #define KERN_FORKFSLEEP 65 /* int: sleep length on failed fork */ 263 #define KERN_POSIX_THREADS 66 /* int: POSIX Threads option */ 264 #define KERN_POSIX_SEMAPHORES 67 /* int: POSIX Semaphores option */ 265 #define KERN_POSIX_BARRIERS 68 /* int: POSIX Barriers option */ 266 #define KERN_POSIX_TIMERS 69 /* int: POSIX Timers option */ 267 #define KERN_POSIX_SPIN_LOCKS 70 /* int: POSIX Spin Locks option */ 268 #define KERN_POSIX_READER_WRITER_LOCKS 71 /* int: POSIX R/W Locks option */ 269 #define KERN_DUMP_ON_PANIC 72 /* int: dump on panic */ 270 #define KERN_SOMAXKVA 73 /* int: max socket kernel virtual mem */ 271 #define KERN_ROOT_PARTITION 74 /* int: root partition */ 272 #define KERN_DRIVERS 75 /* struct: driver names and majors #s */ 273 #define KERN_BUF 76 /* struct: buffers */ 274 #define KERN_FILE2 77 /* struct: file entries */ 275 #define KERN_VERIEXEC 78 /* node: verified exec */ 276 #define KERN_CP_ID 79 /* struct: cpu id numbers */ 277 #define KERN_HARDCLOCK_TICKS 80 /* int: number of hardclock ticks */ 278 #define KERN_ARND 81 /* void *buf, size_t siz random */ 279 #define KERN_SYSVIPC 82 /* node: SysV IPC parameters */ 280 #define KERN_BOOTTIME 83 /* struct: time kernel was booted */ 281 #define KERN_EVCNT 84 /* struct: evcnts */ 282 #define KERN_MAXID 85 /* number of valid kern ids */ 283 284 285 #define CTL_KERN_NAMES { \ 286 { 0, 0 }, \ 287 { "ostype", CTLTYPE_STRING }, \ 288 { "osrelease", CTLTYPE_STRING }, \ 289 { "osrevision", CTLTYPE_INT }, \ 290 { "version", CTLTYPE_STRING }, \ 291 { "maxvnodes", CTLTYPE_INT }, \ 292 { "maxproc", CTLTYPE_INT }, \ 293 { "maxfiles", CTLTYPE_INT }, \ 294 { "argmax", CTLTYPE_INT }, \ 295 { "securelevel", CTLTYPE_INT }, \ 296 { "hostname", CTLTYPE_STRING }, \ 297 { "hostid", CTLTYPE_INT }, \ 298 { "clockrate", CTLTYPE_STRUCT }, \ 299 { "vnode", CTLTYPE_STRUCT }, \ 300 { "proc", CTLTYPE_STRUCT }, \ 301 { "file", CTLTYPE_STRUCT }, \ 302 { "profiling", CTLTYPE_NODE }, \ 303 { "posix1version", CTLTYPE_INT }, \ 304 { "ngroups", CTLTYPE_INT }, \ 305 { "job_control", CTLTYPE_INT }, \ 306 { "saved_ids", CTLTYPE_INT }, \ 307 { 0, 0 }, \ 308 { "domainname", CTLTYPE_STRING }, \ 309 { "maxpartitions", CTLTYPE_INT }, \ 310 { "rawpartition", CTLTYPE_INT }, \ 311 { "ntptime", CTLTYPE_STRUCT }, \ 312 { "timex", CTLTYPE_STRUCT }, \ 313 { "autonicetime", CTLTYPE_INT }, \ 314 { "autoniceval", CTLTYPE_INT }, \ 315 { "rtc_offset", CTLTYPE_INT }, \ 316 { "root_device", CTLTYPE_STRING }, \ 317 { "msgbufsize", CTLTYPE_INT }, \ 318 { "fsync", CTLTYPE_INT }, \ 319 { 0, 0 }, \ 320 { 0, 0 }, \ 321 { 0, 0 }, \ 322 { 0, 0 }, \ 323 { "synchronized_io", CTLTYPE_INT }, \ 324 { "iov_max", CTLTYPE_INT }, \ 325 { "mbuf", CTLTYPE_NODE }, \ 326 { "mapped_files", CTLTYPE_INT }, \ 327 { "memlock", CTLTYPE_INT }, \ 328 { "memlock_range", CTLTYPE_INT }, \ 329 { "memory_protection", CTLTYPE_INT }, \ 330 { "login_name_max", CTLTYPE_INT }, \ 331 { "defcorename", CTLTYPE_STRING }, \ 332 { "logsigexit", CTLTYPE_INT }, \ 333 { "proc2", CTLTYPE_STRUCT }, \ 334 { "proc_args", CTLTYPE_STRING }, \ 335 { "fscale", CTLTYPE_INT }, \ 336 { 0, 0 }, \ 337 { "cp_time", CTLTYPE_STRUCT }, \ 338 { 0, 0 }, \ 339 { "msgbuf", CTLTYPE_STRUCT }, \ 340 { "consdev", CTLTYPE_STRUCT }, \ 341 { "maxptys", CTLTYPE_INT }, \ 342 { "pipe", CTLTYPE_NODE }, \ 343 { "maxphys", CTLTYPE_INT }, \ 344 { "sbmax", CTLTYPE_INT }, \ 345 { "tkstat", CTLTYPE_NODE }, \ 346 { "monotonic_clock", CTLTYPE_INT }, \ 347 { "urandom", CTLTYPE_INT }, \ 348 { "labelsector", CTLTYPE_INT }, \ 349 { "labeloffset", CTLTYPE_INT }, \ 350 { "lwp", CTLTYPE_STRUCT }, \ 351 { "forkfsleep", CTLTYPE_INT }, \ 352 { "posix_threads", CTLTYPE_INT }, \ 353 { "posix_semaphores", CTLTYPE_INT }, \ 354 { "posix_barriers", CTLTYPE_INT }, \ 355 { "posix_timers", CTLTYPE_INT }, \ 356 { "posix_spin_locks", CTLTYPE_INT }, \ 357 { "posix_reader_writer_locks", CTLTYPE_INT }, \ 358 { "dump_on_panic", CTLTYPE_INT}, \ 359 { "somaxkva", CTLTYPE_INT}, \ 360 { "root_partition", CTLTYPE_INT}, \ 361 { "drivers", CTLTYPE_STRUCT }, \ 362 { "buf", CTLTYPE_NODE }, \ 363 { "file2", CTLTYPE_STRUCT }, \ 364 { "veriexec", CTLTYPE_NODE }, \ 365 { "cp_id", CTLTYPE_STRUCT }, \ 366 { "hardclock_ticks", CTLTYPE_INT }, \ 367 { "arandom", CTLTYPE_STRUCT }, \ 368 { "sysvipc", CTLTYPE_STRUCT }, \ 369 { "boottime", CTLTYPE_STRUCT }, \ 370 { "evcnt", CTLTYPE_STRUCT }, \ 371 } 372 373 /* 374 * KERN_CLOCKRATE structure 375 */ 376 struct clockinfo { 377 int hz; /* clock frequency */ 378 int tick; /* micro-seconds per hz tick */ 379 int tickadj; /* clock skew rate for adjtime() */ 380 int stathz; /* statistics clock frequency */ 381 int profhz; /* profiling clock frequency */ 382 }; 383 384 /* 385 * KERN_PROC subtypes 386 */ 387 #define KERN_PROC_ALL 0 /* everything */ 388 #define KERN_PROC_PID 1 /* by process id */ 389 #define KERN_PROC_PGRP 2 /* by process group id */ 390 #define KERN_PROC_SESSION 3 /* by session of pid */ 391 #define KERN_PROC_TTY 4 /* by controlling tty */ 392 #define KERN_PROC_UID 5 /* by effective uid */ 393 #define KERN_PROC_RUID 6 /* by real uid */ 394 #define KERN_PROC_GID 7 /* by effective gid */ 395 #define KERN_PROC_RGID 8 /* by real gid */ 396 397 /* 398 * KERN_PROC_TTY sub-subtypes 399 */ 400 #define KERN_PROC_TTY_NODEV NODEV /* no controlling tty */ 401 #define KERN_PROC_TTY_REVOKE ((dev_t)-2) /* revoked tty */ 402 403 struct ki_pcred { 404 void *p_pad; 405 uid_t p_ruid; /* Real user id */ 406 uid_t p_svuid; /* Saved effective user id */ 407 gid_t p_rgid; /* Real group id */ 408 gid_t p_svgid; /* Saved effective group id */ 409 int p_refcnt; /* Number of references */ 410 }; 411 412 struct ki_ucred { 413 uint32_t cr_ref; /* reference count */ 414 uid_t cr_uid; /* effective user id */ 415 gid_t cr_gid; /* effective group id */ 416 uint32_t cr_ngroups; /* number of groups */ 417 gid_t cr_groups[NGROUPS]; /* groups */ 418 }; 419 420 #if defined(_KERNEL) || defined(_KMEMUSER) 421 422 /* 423 * KERN_PROC subtype ops return arrays of augmented proc structures: 424 */ 425 struct kinfo_proc { 426 struct proc kp_proc; /* proc structure */ 427 struct eproc { 428 struct proc *e_paddr; /* address of proc */ 429 struct session *e_sess; /* session pointer */ 430 struct ki_pcred e_pcred; /* process credentials */ 431 struct ki_ucred e_ucred; /* current credentials */ 432 struct vmspace e_vm; /* address space */ 433 pid_t e_ppid; /* parent process id */ 434 pid_t e_pgid; /* process group id */ 435 short e_jobc; /* job control counter */ 436 uint32_t e_tdev; /* XXX: controlling tty dev */ 437 pid_t e_tpgid; /* tty process group id */ 438 struct session *e_tsess; /* tty session pointer */ 439 #define WMESGLEN 8 440 char e_wmesg[WMESGLEN]; /* wchan message */ 441 segsz_t e_xsize; /* text size */ 442 short e_xrssize; /* text rss */ 443 short e_xccount; /* text references */ 444 short e_xswrss; 445 long e_flag; /* see p_eflag below */ 446 char e_login[MAXLOGNAME]; /* setlogin() name */ 447 pid_t e_sid; /* session id */ 448 long e_spare[3]; 449 } kp_eproc; 450 }; 451 #endif /* defined(_KERNEL) || defined(_KMEMUSER) */ 452 453 /* 454 * Convert pointer to 64 bit unsigned integer for struct 455 * kinfo_proc2, etc. 456 */ 457 #define PTRTOUINT64(p) ((uint64_t)(uintptr_t)(p)) 458 #define UINT64TOPTR(u) ((void *)(uintptr_t)(u)) 459 460 /* 461 * KERN_PROC2 subtype ops return arrays of relatively fixed size 462 * structures of process info. Use 8 byte alignment, and new 463 * elements should only be added to the end of this structure so 464 * binary compatibility can be preserved. 465 */ 466 #define KI_NGROUPS 16 467 #define KI_MAXCOMLEN 24 /* extra for 8 byte alignment */ 468 #define KI_WMESGLEN 8 469 #define KI_MAXLOGNAME 24 /* extra for 8 byte alignment */ 470 #define KI_MAXEMULLEN 16 471 #define KI_LNAMELEN 20 /* extra 4 for alignment */ 472 473 #define KI_NOCPU (~(uint64_t)0) 474 475 typedef struct { 476 uint32_t __bits[4]; 477 } ki_sigset_t; 478 479 struct kinfo_proc2 { 480 uint64_t p_forw; /* PTR: linked run/sleep queue. */ 481 uint64_t p_back; 482 uint64_t p_paddr; /* PTR: address of proc */ 483 484 uint64_t p_addr; /* PTR: Kernel virtual addr of u-area */ 485 uint64_t p_fd; /* PTR: Ptr to open files structure. */ 486 uint64_t p_cwdi; /* PTR: cdir/rdir/cmask info */ 487 uint64_t p_stats; /* PTR: Accounting/statistics */ 488 uint64_t p_limit; /* PTR: Process limits. */ 489 uint64_t p_vmspace; /* PTR: Address space. */ 490 uint64_t p_sigacts; /* PTR: Signal actions, state */ 491 uint64_t p_sess; /* PTR: session pointer */ 492 uint64_t p_tsess; /* PTR: tty session pointer */ 493 uint64_t p_ru; /* PTR: Exit information. XXX */ 494 495 int32_t p_eflag; /* LONG: extra kinfo_proc2 flags */ 496 #define EPROC_CTTY 0x01 /* controlling tty vnode active */ 497 #define EPROC_SLEADER 0x02 /* session leader */ 498 int32_t p_exitsig; /* INT: signal to sent to parent on exit */ 499 int32_t p_flag; /* INT: P_* flags. */ 500 501 int32_t p_pid; /* PID_T: Process identifier. */ 502 int32_t p_ppid; /* PID_T: Parent process id */ 503 int32_t p_sid; /* PID_T: session id */ 504 int32_t p__pgid; /* PID_T: process group id */ 505 /* XXX: <sys/proc.h> hijacks p_pgid */ 506 int32_t p_tpgid; /* PID_T: tty process group id */ 507 508 uint32_t p_uid; /* UID_T: effective user id */ 509 uint32_t p_ruid; /* UID_T: real user id */ 510 uint32_t p_gid; /* GID_T: effective group id */ 511 uint32_t p_rgid; /* GID_T: real group id */ 512 513 uint32_t p_groups[KI_NGROUPS]; /* GID_T: groups */ 514 int16_t p_ngroups; /* SHORT: number of groups */ 515 516 int16_t p_jobc; /* SHORT: job control counter */ 517 uint32_t p_tdev; /* XXX: DEV_T: controlling tty dev */ 518 519 uint32_t p_estcpu; /* U_INT: Time averaged value of p_cpticks. */ 520 uint32_t p_rtime_sec; /* STRUCT TIMEVAL: Real time. */ 521 uint32_t p_rtime_usec; /* STRUCT TIMEVAL: Real time. */ 522 int32_t p_cpticks; /* INT: Ticks of CPU time. */ 523 uint32_t p_pctcpu; /* FIXPT_T: %cpu for this process during p_swtime */ 524 uint32_t p_swtime; /* U_INT: Time swapped in or out. */ 525 uint32_t p_slptime; /* U_INT: Time since last blocked. */ 526 int32_t p_schedflags; /* INT: PSCHED_* flags */ 527 528 uint64_t p_uticks; /* U_QUAD_T: Statclock hits in user mode. */ 529 uint64_t p_sticks; /* U_QUAD_T: Statclock hits in system mode. */ 530 uint64_t p_iticks; /* U_QUAD_T: Statclock hits processing intr. */ 531 532 uint64_t p_tracep; /* PTR: Trace to vnode or file */ 533 int32_t p_traceflag; /* INT: Kernel trace points. */ 534 535 int32_t p_holdcnt; /* INT: If non-zero, don't swap. */ 536 537 ki_sigset_t p_siglist; /* SIGSET_T: Signals arrived but not delivered. */ 538 ki_sigset_t p_sigmask; /* SIGSET_T: Current signal mask. */ 539 ki_sigset_t p_sigignore; /* SIGSET_T: Signals being ignored. */ 540 ki_sigset_t p_sigcatch; /* SIGSET_T: Signals being caught by user. */ 541 542 int8_t p_stat; /* CHAR: S* process status (from LWP). */ 543 uint8_t p_priority; /* U_CHAR: Process priority. */ 544 uint8_t p_usrpri; /* U_CHAR: User-priority based on p_cpu and p_nice. */ 545 uint8_t p_nice; /* U_CHAR: Process "nice" value. */ 546 547 uint16_t p_xstat; /* U_SHORT: Exit status for wait; also stop signal. */ 548 uint16_t p_acflag; /* U_SHORT: Accounting flags. */ 549 550 char p_comm[KI_MAXCOMLEN]; 551 552 char p_wmesg[KI_WMESGLEN]; /* wchan message */ 553 uint64_t p_wchan; /* PTR: sleep address. */ 554 555 char p_login[KI_MAXLOGNAME]; /* setlogin() name */ 556 557 int32_t p_vm_rssize; /* SEGSZ_T: current resident set size in pages */ 558 int32_t p_vm_tsize; /* SEGSZ_T: text size (pages) */ 559 int32_t p_vm_dsize; /* SEGSZ_T: data size (pages) */ 560 int32_t p_vm_ssize; /* SEGSZ_T: stack size (pages) */ 561 562 int64_t p_uvalid; /* CHAR: following p_u* parameters are valid */ 563 /* XXX 64 bits for alignment */ 564 uint32_t p_ustart_sec; /* STRUCT TIMEVAL: starting time. */ 565 uint32_t p_ustart_usec; /* STRUCT TIMEVAL: starting time. */ 566 567 uint32_t p_uutime_sec; /* STRUCT TIMEVAL: user time. */ 568 uint32_t p_uutime_usec; /* STRUCT TIMEVAL: user time. */ 569 uint32_t p_ustime_sec; /* STRUCT TIMEVAL: system time. */ 570 uint32_t p_ustime_usec; /* STRUCT TIMEVAL: system time. */ 571 572 uint64_t p_uru_maxrss; /* LONG: max resident set size. */ 573 uint64_t p_uru_ixrss; /* LONG: integral shared memory size. */ 574 uint64_t p_uru_idrss; /* LONG: integral unshared data ". */ 575 uint64_t p_uru_isrss; /* LONG: integral unshared stack ". */ 576 uint64_t p_uru_minflt; /* LONG: page reclaims. */ 577 uint64_t p_uru_majflt; /* LONG: page faults. */ 578 uint64_t p_uru_nswap; /* LONG: swaps. */ 579 uint64_t p_uru_inblock; /* LONG: block input operations. */ 580 uint64_t p_uru_oublock; /* LONG: block output operations. */ 581 uint64_t p_uru_msgsnd; /* LONG: messages sent. */ 582 uint64_t p_uru_msgrcv; /* LONG: messages received. */ 583 uint64_t p_uru_nsignals; /* LONG: signals received. */ 584 uint64_t p_uru_nvcsw; /* LONG: voluntary context switches. */ 585 uint64_t p_uru_nivcsw; /* LONG: involuntary ". */ 586 587 uint32_t p_uctime_sec; /* STRUCT TIMEVAL: child u+s time. */ 588 uint32_t p_uctime_usec; /* STRUCT TIMEVAL: child u+s time. */ 589 uint64_t p_cpuid; /* LONG: CPU id */ 590 uint64_t p_realflag; /* INT: P_* flags (not including LWPs). */ 591 uint64_t p_nlwps; /* LONG: Number of LWPs */ 592 uint64_t p_nrlwps; /* LONG: Number of running LWPs */ 593 uint64_t p_realstat; /* LONG: non-LWP process status */ 594 uint32_t p_svuid; /* UID_T: saved user id */ 595 uint32_t p_svgid; /* GID_T: saved group id */ 596 char p_ename[KI_MAXEMULLEN]; /* emulation name */ 597 int64_t p_vm_vsize; /* SEGSZ_T: total map size (pages) */ 598 int64_t p_vm_msize; /* SEGSZ_T: stack-adjusted map size (pages) */ 599 }; 600 601 /* 602 * Compat flags for kinfo_proc, kinfo_proc2. Not guaranteed to be stable. 603 * Some of them used to be shared with LWP flags. 604 * XXXAD Trim to the minimum necessary... 605 */ 606 607 #define P_ADVLOCK 0x00000001 608 #define P_CONTROLT 0x00000002 609 #define L_INMEM 0x00000004 610 #define P_INMEM /* 0x00000004 */ L_INMEM 611 #define P_NOCLDSTOP 0x00000008 612 #define P_PPWAIT 0x00000010 613 #define P_PROFIL 0x00000020 614 #define L_SELECT 0x00000040 615 #define P_SELECT /* 0x00000040 */ L_SELECT 616 #define L_SINTR 0x00000080 617 #define P_SINTR /* 0x00000080 */ L_SINTR 618 #define P_SUGID 0x00000100 619 #define L_SYSTEM 0x00000200 620 #define P_SYSTEM /* 0x00000200 */ L_SYSTEM 621 #define L_SA 0x00000400 622 #define P_SA /* 0x00000400 */ L_SA 623 #define P_TRACED 0x00000800 624 #define P_WAITED 0x00001000 625 #define P_WEXIT 0x00002000 626 #define P_EXEC 0x00004000 627 #define P_OWEUPC 0x00008000 628 #define P_FSTRACE 0x00010000 629 #define P_NOCLDWAIT 0x00020000 630 #define P_32 0x00040000 631 #define P_CLDSIGIGN 0x00080000 632 #define P_SYSTRACE 0x00200000 633 #define P_CHTRACED 0x00400000 634 #define P_STOPFORK 0x00800000 635 #define P_STOPEXEC 0x01000000 636 #define P_STOPEXIT 0x02000000 637 #define P_SYSCALL 0x04000000 638 #define P_PAXMPROTECT 0x08000000 639 #define P_PAXNOMPROTECT 0x10000000 640 641 /* 642 * LWP compat flags. 643 */ 644 #define L_DETACHED 0x00800000 645 646 /* 647 * KERN_LWP structure. See notes on KERN_PROC2 about adding elements. 648 */ 649 struct kinfo_lwp { 650 uint64_t l_forw; /* PTR: linked run/sleep queue. */ 651 uint64_t l_back; 652 uint64_t l_laddr; /* PTR: Address of LWP */ 653 uint64_t l_addr; /* PTR: Kernel virtual addr of u-area */ 654 int32_t l_lid; /* LWPID_T: LWP identifier */ 655 int32_t l_flag; /* INT: L_* flags. */ 656 uint32_t l_swtime; /* U_INT: Time swapped in or out. */ 657 uint32_t l_slptime; /* U_INT: Time since last blocked. */ 658 int32_t l_schedflags; /* INT: PSCHED_* flags */ 659 int32_t l_holdcnt; /* INT: If non-zero, don't swap. */ 660 uint8_t l_priority; /* U_CHAR: Process priority. */ 661 uint8_t l_usrpri; /* U_CHAR: User-priority based on l_cpu and p_nice. */ 662 int8_t l_stat; /* CHAR: S* process status. */ 663 int8_t l_pad1; /* fill out to 4-byte boundary */ 664 int32_t l_pad2; /* .. and then to an 8-byte boundary */ 665 char l_wmesg[KI_WMESGLEN]; /* wchan message */ 666 uint64_t l_wchan; /* PTR: sleep address. */ 667 uint64_t l_cpuid; /* LONG: CPU id */ 668 uint32_t l_rtime_sec; /* STRUCT TIMEVAL: Real time. */ 669 uint32_t l_rtime_usec; /* STRUCT TIMEVAL: Real time. */ 670 uint32_t l_cpticks; /* INT: ticks during l_swtime */ 671 uint32_t l_pctcpu; /* FIXPT_T: cpu usage for ps */ 672 uint32_t l_pid; /* PID_T: process identifier */ 673 char l_name[KI_LNAMELEN]; /* CHAR[]: name, may be empty */ 674 }; 675 676 /* 677 * KERN_PROC_ARGS subtypes 678 */ 679 #define KERN_PROC_ARGV 1 /* argv */ 680 #define KERN_PROC_NARGV 2 /* number of strings in above */ 681 #define KERN_PROC_ENV 3 /* environ */ 682 #define KERN_PROC_NENV 4 /* number of strings in above */ 683 684 /* 685 * KERN_SYSVIPC subtypes 686 */ 687 #define KERN_SYSVIPC_INFO 1 /* struct: number of valid kern ids */ 688 #define KERN_SYSVIPC_MSG 2 /* int: SysV message queue support */ 689 #define KERN_SYSVIPC_SEM 3 /* int: SysV semaphore support */ 690 #define KERN_SYSVIPC_SHM 4 /* int: SysV shared memory support */ 691 #define KERN_SYSVIPC_SHMMAX 5 /* int: max shared memory segment size (bytes) */ 692 #define KERN_SYSVIPC_SHMMNI 6 /* int: max number of shared memory identifiers */ 693 #define KERN_SYSVIPC_SHMSEG 7 /* int: max shared memory segments per process */ 694 #define KERN_SYSVIPC_SHMMAXPGS 8 /* int: max amount of shared memory (pages) */ 695 #define KERN_SYSVIPC_SHMUSEPHYS 9 /* int: physical memory usage */ 696 697 /* 698 * KERN_SYSVIPC_INFO subtypes 699 */ 700 /* KERN_SYSVIPC_OMSG_INFO 1 */ 701 /* KERN_SYSVIPC_OSEM_INFO 2 */ 702 /* KERN_SYSVIPC_OSHM_INFO 3 */ 703 #define KERN_SYSVIPC_MSG_INFO 4 /* msginfo and msgid_ds */ 704 #define KERN_SYSVIPC_SEM_INFO 5 /* seminfo and semid_ds */ 705 #define KERN_SYSVIPC_SHM_INFO 6 /* shminfo and shmid_ds */ 706 707 /* 708 * tty counter sysctl variables 709 */ 710 #define KERN_TKSTAT_NIN 1 /* total input character */ 711 #define KERN_TKSTAT_NOUT 2 /* total output character */ 712 #define KERN_TKSTAT_CANCC 3 /* canonical input character */ 713 #define KERN_TKSTAT_RAWCC 4 /* raw input character */ 714 #define KERN_TKSTAT_MAXID 5 /* number of valid TKSTAT ids */ 715 716 #define KERN_TKSTAT_NAMES { \ 717 { 0, 0 }, \ 718 { "nin", CTLTYPE_QUAD }, \ 719 { "nout", CTLTYPE_QUAD }, \ 720 { "cancc", CTLTYPE_QUAD }, \ 721 { "rawcc", CTLTYPE_QUAD }, \ 722 } 723 724 /* 725 * kern.drivers returns an array of these. 726 */ 727 728 struct kinfo_drivers { 729 devmajor_t d_cmajor; 730 devmajor_t d_bmajor; 731 char d_name[24]; 732 }; 733 734 /* 735 * KERN_BUF subtypes, like KERN_PROC2, where the four following mib 736 * entries specify "which type of buf", "which particular buf", 737 * "sizeof buf", and "how many". Currently, only "all buf" is 738 * defined. 739 */ 740 #define KERN_BUF_ALL 0 /* all buffers */ 741 742 /* 743 * kern.buf returns an array of these structures, which are designed 744 * both to be immune to 32/64 bit emulation issues and to provide 745 * backwards compatibility. Note that the order here differs slightly 746 * from the real struct buf in order to achieve proper 64 bit 747 * alignment. 748 */ 749 struct buf_sysctl { 750 uint32_t b_flags; /* LONG: B_* flags */ 751 int32_t b_error; /* INT: Errno value */ 752 int32_t b_prio; /* INT: Hint for buffer queue discipline */ 753 uint32_t b_dev; /* DEV_T: Device associated with buffer */ 754 uint64_t b_bufsize; /* LONG: Allocated buffer size */ 755 uint64_t b_bcount; /* LONG: Valid bytes in buffer */ 756 uint64_t b_resid; /* LONG: Remaining I/O */ 757 uint64_t b_addr; /* CADDR_T: Memory, superblocks, indirect... */ 758 uint64_t b_blkno; /* DADDR_T: Underlying physical block number */ 759 uint64_t b_rawblkno; /* DADDR_T: Raw underlying physical block */ 760 uint64_t b_iodone; /* PTR: Function called upon completion */ 761 uint64_t b_proc; /* PTR: Associated proc if B_PHYS set */ 762 uint64_t b_vp; /* PTR: File vnode */ 763 uint64_t b_saveaddr; /* PTR: Original b_addr for physio */ 764 uint64_t b_lblkno; /* DADDR_T: Logical block number */ 765 }; 766 767 /* 768 * kern.file2 returns an array of these structures, which are designed 769 * both to be immune to be immune to 32/64 bit emulation issues and to 770 * provide backwards compatibility. The order differs slightly from 771 * that of the real struct file, and some fields are taken from other 772 * structures (struct vnode, struct proc) in order to make the file 773 * information more useful. 774 */ 775 struct kinfo_file { 776 uint64_t ki_fileaddr; /* PTR: address of struct file */ 777 uint32_t ki_flag; /* INT: flags (see fcntl.h) */ 778 uint32_t ki_iflags; /* INT: internal flags */ 779 uint32_t ki_ftype; /* INT: descriptor type */ 780 uint32_t ki_count; /* UINT: reference count */ 781 uint32_t ki_msgcount; /* UINT: references from msg queue */ 782 uint32_t ki_usecount; /* INT: number active users */ 783 uint64_t ki_fucred; /* PTR: creds for descriptor */ 784 uint32_t ki_fuid; /* UID_T: descriptor credentials */ 785 uint32_t ki_fgid; /* GID_T: descriptor credentials */ 786 uint64_t ki_fops; /* PTR: address of fileops */ 787 uint64_t ki_foffset; /* OFF_T: offset */ 788 uint64_t ki_fdata; /* PTR: descriptor data */ 789 790 /* vnode information to glue this file to something */ 791 uint64_t ki_vun; /* PTR: socket, specinfo, etc */ 792 uint64_t ki_vsize; /* OFF_T: size of file */ 793 uint32_t ki_vtype; /* ENUM: vnode type */ 794 uint32_t ki_vtag; /* ENUM: type of underlying data */ 795 uint64_t ki_vdata; /* PTR: private data for fs */ 796 797 /* process information when retrieved via KERN_FILE_BYPID */ 798 uint32_t ki_pid; /* PID_T: process id */ 799 int32_t ki_fd; /* INT: descriptor number */ 800 uint32_t ki_ofileflags; /* CHAR: open file flags */ 801 uint32_t _ki_padto64bits; 802 }; 803 804 #define KERN_FILE_BYFILE 1 805 #define KERN_FILE_BYPID 2 806 #define KERN_FILESLOP 10 807 808 /* 809 * kern.evcnt returns an array of these structures, which are designed both to 810 * be immune to 32/64 bit emulation issues. Note that the struct here differs 811 * from the real struct evcnt but contains the same information in order to 812 * accommodate sysctl. 813 */ 814 struct evcnt_sysctl { 815 uint64_t ev_count; /* current count */ 816 uint64_t ev_addr; /* kernel address of evcnt */ 817 uint64_t ev_parent; /* kernel address of parent */ 818 uint8_t ev_type; /* EVCNT_TRAP_* */ 819 uint8_t ev_grouplen; /* length of group with NUL */ 820 uint8_t ev_namelen; /* length of name with NUL */ 821 uint8_t ev_len; /* multiply by 8 */ 822 /* 823 * Now the group and name strings follow (both include the trailing 824 * NUL). ev_name start at &ev_strings[ev_grouplen+1] 825 */ 826 char ev_strings[0]; 827 }; 828 829 #define KERN_EVCNT_COUNT_ANY 0 830 #define KERN_EVCNT_COUNT_NONZERO 1 831 832 /* 833 * CTL_HW identifiers 834 */ 835 #define HW_MACHINE 1 /* string: machine class */ 836 #define HW_MODEL 2 /* string: specific machine model */ 837 #define HW_NCPU 3 /* int: number of cpus */ 838 #define HW_BYTEORDER 4 /* int: machine byte order */ 839 #define HW_PHYSMEM 5 /* int: total memory (bytes) */ 840 #define HW_USERMEM 6 /* int: non-kernel memory (bytes) */ 841 #define HW_PAGESIZE 7 /* int: software page size */ 842 #define HW_DISKNAMES 8 /* string: disk drive names */ 843 #define HW_IOSTATS 9 /* struct: iostats[] */ 844 #define HW_MACHINE_ARCH 10 /* string: machine architecture */ 845 #define HW_ALIGNBYTES 11 /* int: ALIGNBYTES for the kernel */ 846 #define HW_CNMAGIC 12 /* string: console magic sequence(s) */ 847 #define HW_PHYSMEM64 13 /* quad: total memory (bytes) */ 848 #define HW_USERMEM64 14 /* quad: non-kernel memory (bytes) */ 849 #define HW_IOSTATNAMES 15 /* string: iostat names */ 850 #define HW_MAXID 15 /* number of valid hw ids */ 851 #define HW_NCPUONLINE 16 /* number CPUs online */ 852 853 #define CTL_HW_NAMES { \ 854 { 0, 0 }, \ 855 { "machine", CTLTYPE_STRING }, \ 856 { "model", CTLTYPE_STRING }, \ 857 { "ncpu", CTLTYPE_INT }, \ 858 { "byteorder", CTLTYPE_INT }, \ 859 { "physmem", CTLTYPE_INT }, \ 860 { "usermem", CTLTYPE_INT }, \ 861 { "pagesize", CTLTYPE_INT }, \ 862 { "drivenames", CTLTYPE_STRING }, \ 863 { "drivestats", CTLTYPE_STRUCT }, \ 864 { "machine_arch", CTLTYPE_STRING }, \ 865 { "alignbytes", CTLTYPE_INT }, \ 866 { "cnmagic", CTLTYPE_STRING }, \ 867 { "physmem64", CTLTYPE_QUAD }, \ 868 { "usermem64", CTLTYPE_QUAD }, \ 869 { "ncpuonline", CTLTYPE_INT }, \ 870 } 871 872 /* 873 * CTL_USER definitions 874 */ 875 #define USER_CS_PATH 1 /* string: _CS_PATH */ 876 #define USER_BC_BASE_MAX 2 /* int: BC_BASE_MAX */ 877 #define USER_BC_DIM_MAX 3 /* int: BC_DIM_MAX */ 878 #define USER_BC_SCALE_MAX 4 /* int: BC_SCALE_MAX */ 879 #define USER_BC_STRING_MAX 5 /* int: BC_STRING_MAX */ 880 #define USER_COLL_WEIGHTS_MAX 6 /* int: COLL_WEIGHTS_MAX */ 881 #define USER_EXPR_NEST_MAX 7 /* int: EXPR_NEST_MAX */ 882 #define USER_LINE_MAX 8 /* int: LINE_MAX */ 883 #define USER_RE_DUP_MAX 9 /* int: RE_DUP_MAX */ 884 #define USER_POSIX2_VERSION 10 /* int: POSIX2_VERSION */ 885 #define USER_POSIX2_C_BIND 11 /* int: POSIX2_C_BIND */ 886 #define USER_POSIX2_C_DEV 12 /* int: POSIX2_C_DEV */ 887 #define USER_POSIX2_CHAR_TERM 13 /* int: POSIX2_CHAR_TERM */ 888 #define USER_POSIX2_FORT_DEV 14 /* int: POSIX2_FORT_DEV */ 889 #define USER_POSIX2_FORT_RUN 15 /* int: POSIX2_FORT_RUN */ 890 #define USER_POSIX2_LOCALEDEF 16 /* int: POSIX2_LOCALEDEF */ 891 #define USER_POSIX2_SW_DEV 17 /* int: POSIX2_SW_DEV */ 892 #define USER_POSIX2_UPE 18 /* int: POSIX2_UPE */ 893 #define USER_STREAM_MAX 19 /* int: POSIX2_STREAM_MAX */ 894 #define USER_TZNAME_MAX 20 /* int: _POSIX_TZNAME_MAX */ 895 #define USER_ATEXIT_MAX 21 /* int: {ATEXIT_MAX} */ 896 #define USER_MAXID 22 /* number of valid user ids */ 897 898 #define CTL_USER_NAMES { \ 899 { 0, 0 }, \ 900 { "cs_path", CTLTYPE_STRING }, \ 901 { "bc_base_max", CTLTYPE_INT }, \ 902 { "bc_dim_max", CTLTYPE_INT }, \ 903 { "bc_scale_max", CTLTYPE_INT }, \ 904 { "bc_string_max", CTLTYPE_INT }, \ 905 { "coll_weights_max", CTLTYPE_INT }, \ 906 { "expr_nest_max", CTLTYPE_INT }, \ 907 { "line_max", CTLTYPE_INT }, \ 908 { "re_dup_max", CTLTYPE_INT }, \ 909 { "posix2_version", CTLTYPE_INT }, \ 910 { "posix2_c_bind", CTLTYPE_INT }, \ 911 { "posix2_c_dev", CTLTYPE_INT }, \ 912 { "posix2_char_term", CTLTYPE_INT }, \ 913 { "posix2_fort_dev", CTLTYPE_INT }, \ 914 { "posix2_fort_run", CTLTYPE_INT }, \ 915 { "posix2_localedef", CTLTYPE_INT }, \ 916 { "posix2_sw_dev", CTLTYPE_INT }, \ 917 { "posix2_upe", CTLTYPE_INT }, \ 918 { "stream_max", CTLTYPE_INT }, \ 919 { "tzname_max", CTLTYPE_INT }, \ 920 { "atexit_max", CTLTYPE_INT }, \ 921 } 922 923 /* 924 * CTL_DDB definitions 925 */ 926 #define DDBCTL_RADIX 1 /* int: Input and output radix */ 927 #define DDBCTL_MAXOFF 2 /* int: max symbol offset */ 928 #define DDBCTL_MAXWIDTH 3 /* int: width of the display line */ 929 #define DDBCTL_LINES 4 /* int: number of display lines */ 930 #define DDBCTL_TABSTOPS 5 /* int: tab width */ 931 #define DDBCTL_ONPANIC 6 /* int: DDB on panic if non-zero */ 932 #define DDBCTL_FROMCONSOLE 7 /* int: DDB via console if non-zero */ 933 #define DDBCTL_MAXID 8 /* number of valid DDB ids */ 934 935 #define CTL_DDB_NAMES { \ 936 { 0, 0 }, \ 937 { "radix", CTLTYPE_INT }, \ 938 { "maxoff", CTLTYPE_INT }, \ 939 { "maxwidth", CTLTYPE_INT }, \ 940 { "lines", CTLTYPE_INT }, \ 941 { "tabstops", CTLTYPE_INT }, \ 942 { "onpanic", CTLTYPE_INT }, \ 943 { "fromconsole", CTLTYPE_INT }, \ 944 } 945 946 /* 947 * CTL_DEBUG definitions 948 * 949 * Second level identifier specifies which debug variable. 950 * Third level identifier specifies which structure component. 951 */ 952 #define CTL_DEBUG_NAME 0 /* string: variable name */ 953 #define CTL_DEBUG_VALUE 1 /* int: variable value */ 954 #define CTL_DEBUG_MAXID 20 955 956 /* 957 * CTL_PROC subtype. Either a PID, or a magic value for the current proc. 958 */ 959 960 #define PROC_CURPROC (~((u_int)1 << 31)) 961 962 /* 963 * CTL_PROC tree: either corename (string), or a limit 964 * (rlimit.<type>.{hard,soft}, int). 965 */ 966 #define PROC_PID_CORENAME 1 967 #define PROC_PID_LIMIT 2 968 #define PROC_PID_STOPFORK 3 969 #define PROC_PID_STOPEXEC 4 970 #define PROC_PID_STOPEXIT 5 971 #define PROC_PID_MAXID 6 972 973 #define PROC_PID_NAMES { \ 974 { 0, 0 }, \ 975 { "corename", CTLTYPE_STRING }, \ 976 { "rlimit", CTLTYPE_NODE }, \ 977 { "stopfork", CTLTYPE_INT }, \ 978 { "stopexec", CTLTYPE_INT }, \ 979 { "stopexit", CTLTYPE_INT }, \ 980 } 981 982 /* Limit types from <sys/resources.h> */ 983 #define PROC_PID_LIMIT_CPU (RLIMIT_CPU+1) 984 #define PROC_PID_LIMIT_FSIZE (RLIMIT_FSIZE+1) 985 #define PROC_PID_LIMIT_DATA (RLIMIT_DATA+1) 986 #define PROC_PID_LIMIT_STACK (RLIMIT_STACK+1) 987 #define PROC_PID_LIMIT_CORE (RLIMIT_CORE+1) 988 #define PROC_PID_LIMIT_RSS (RLIMIT_RSS+1) 989 #define PROC_PID_LIMIT_MEMLOCK (RLIMIT_MEMLOCK+1) 990 #define PROC_PID_LIMIT_NPROC (RLIMIT_NPROC+1) 991 #define PROC_PID_LIMIT_NOFILE (RLIMIT_NOFILE+1) 992 #define PROC_PID_LIMIT_SBSIZE (RLIMIT_SBSIZE+1) 993 #define PROC_PID_LIMIT_AS (RLIMIT_AS+1) 994 #define PROC_PID_LIMIT_NTHR (RLIMIT_NTHR+1) 995 #define PROC_PID_LIMIT_MAXID (RLIM_NLIMITS+1) 996 997 #define PROC_PID_LIMIT_NAMES { \ 998 { 0, 0 }, \ 999 { "cputime", CTLTYPE_NODE }, \ 1000 { "filesize", CTLTYPE_NODE }, \ 1001 { "datasize", CTLTYPE_NODE }, \ 1002 { "stacksize", CTLTYPE_NODE }, \ 1003 { "coredumpsize", CTLTYPE_NODE }, \ 1004 { "memoryuse", CTLTYPE_NODE }, \ 1005 { "memorylocked", CTLTYPE_NODE }, \ 1006 { "maxproc", CTLTYPE_NODE }, \ 1007 { "descriptors", CTLTYPE_NODE }, \ 1008 { "sbsize", CTLTYPE_NODE }, \ 1009 { "vmemoryuse", CTLTYPE_NODE }, \ 1010 { "maxlwp", CTLTYPE_NODE }, \ 1011 } 1012 /* for each type, either hard or soft value */ 1013 #define PROC_PID_LIMIT_TYPE_SOFT 1 1014 #define PROC_PID_LIMIT_TYPE_HARD 2 1015 #define PROC_PID_LIMIT_TYPE_MAXID 3 1016 1017 #define PROC_PID_LIMIT_TYPE_NAMES { \ 1018 {0, 0}, \ 1019 { "soft", CTLTYPE_QUAD }, \ 1020 { "hard", CTLTYPE_QUAD }, \ 1021 } 1022 1023 /* 1024 * CTL_EMUL definitions 1025 * 1026 * Second level identifier specifies which emulation variable. 1027 * Subsequent levels are specified in the emulations themselves. 1028 */ 1029 #define EMUL_LINUX 1 1030 #define EMUL_LINUX32 5 1031 1032 #define EMUL_MAXID 6 1033 1034 #ifdef _KERNEL 1035 1036 #if defined(_KERNEL_OPT) 1037 #include "opt_sysctl.h" 1038 #endif 1039 1040 /* Root node of the kernel sysctl tree */ 1041 extern struct sysctlnode sysctl_root; 1042 1043 /* 1044 * A log of nodes created by a setup function or set of setup 1045 * functions so that they can be torn down in one "transaction" 1046 * when no longer needed. 1047 * 1048 * Users of the log merely pass a pointer to a pointer, and the sysctl 1049 * infrastructure takes care of the rest. 1050 */ 1051 struct sysctllog; 1052 1053 /* 1054 * CTL_DEBUG variables. 1055 * 1056 * These are declared as separate variables so that they can be 1057 * individually initialized at the location of their associated 1058 * variable. The loader prevents multiple use by issuing errors 1059 * if a variable is initialized in more than one place. They are 1060 * aggregated into an array in debug_sysctl(), so that it can 1061 * conveniently locate them when queried. If more debugging 1062 * variables are added, they must also be declared here and also 1063 * entered into the array. 1064 * 1065 * Note that the debug subtree is largely obsolescent in terms of 1066 * functionality now that we have dynamic sysctl, but the 1067 * infrastructure is retained for backwards compatibility. 1068 */ 1069 struct ctldebug { 1070 const char *debugname; /* name of debugging variable */ 1071 int *debugvar; /* pointer to debugging variable */ 1072 }; 1073 #ifdef DEBUG 1074 extern struct ctldebug debug0, debug1, debug2, debug3, debug4; 1075 extern struct ctldebug debug5, debug6, debug7, debug8, debug9; 1076 extern struct ctldebug debug10, debug11, debug12, debug13, debug14; 1077 extern struct ctldebug debug15, debug16, debug17, debug18, debug19; 1078 #endif /* DEBUG */ 1079 1080 #define SYSCTLFN_PROTO const int *, u_int, void *, \ 1081 size_t *, const void *, size_t, \ 1082 const int *, struct lwp *, const struct sysctlnode * 1083 #define SYSCTLFN_ARGS const int *name, u_int namelen, \ 1084 void *oldp, size_t *oldlenp, \ 1085 const void *newp, size_t newlen, \ 1086 const int *oname, struct lwp *l, \ 1087 const struct sysctlnode *rnode 1088 #define SYSCTLFN_CALL(node) name, namelen, oldp, \ 1089 oldlenp, newp, newlen, \ 1090 oname, l, node 1091 1092 #ifdef _MODULE 1093 1094 #define SYSCTL_SETUP_PROTO(name) \ 1095 void name(struct sysctllog **) 1096 #ifdef SYSCTL_DEBUG_SETUP 1097 #define SYSCTL_SETUP(name, desc) \ 1098 SYSCTL_SETUP_PROTO(name); \ 1099 static void __CONCAT(___,name)(struct sysctllog **); \ 1100 void name(struct sysctllog **clog) { \ 1101 printf("%s\n", desc); \ 1102 __CONCAT(___,name)(clog); } \ 1103 __link_set_add_text(sysctl_funcs, name); \ 1104 static void __CONCAT(___,name)(struct sysctllog **clog) 1105 #else /* !SYSCTL_DEBUG_SETUP */ 1106 #define SYSCTL_SETUP(name, desc) \ 1107 SYSCTL_SETUP_PROTO(name); \ 1108 __link_set_add_text(sysctl_funcs, name); \ 1109 void name(struct sysctllog **clog) 1110 #endif /* !SYSCTL_DEBUG_SETUP */ 1111 1112 #else /* !_MODULE */ 1113 1114 #define SYSCTL_SETUP_PROTO(name) 1115 #ifdef SYSCTL_DEBUG_SETUP 1116 #define SYSCTL_SETUP(name, desc) \ 1117 static void __CONCAT(___,name)(struct sysctllog **); \ 1118 static void name(struct sysctllog **clog) { \ 1119 printf("%s\n", desc); \ 1120 __CONCAT(___,name)(clog); } \ 1121 __link_set_add_text(sysctl_funcs, name); \ 1122 static void __CONCAT(___,name)(struct sysctllog **clog) 1123 #else /* !SYSCTL_DEBUG_SETUP */ 1124 #define SYSCTL_SETUP(name, desc) \ 1125 static void name(struct sysctllog **); \ 1126 __link_set_add_text(sysctl_funcs, name); \ 1127 static void name(struct sysctllog **clog) 1128 #endif /* !SYSCTL_DEBUG_SETUP */ 1129 1130 #endif /* !_MODULE */ 1131 1132 /* 1133 * Internal sysctl function calling convention: 1134 * 1135 * (*sysctlfn)(name, namelen, oldval, oldlenp, newval, newlen, 1136 * origname, lwp, node); 1137 * 1138 * The name parameter points at the next component of the name to be 1139 * interpreted. The namelen parameter is the number of integers in 1140 * the name. The origname parameter points to the start of the name 1141 * being parsed. The node parameter points to the node on which the 1142 * current operation is to be performed. 1143 */ 1144 typedef int (*sysctlfn)(SYSCTLFN_PROTO); 1145 1146 /* 1147 * used in more than just sysctl 1148 */ 1149 void fill_eproc(struct proc *, struct eproc *, bool); 1150 1151 /* 1152 * subsystem setup 1153 */ 1154 void sysctl_init(void); 1155 void sysctl_finalize(void); 1156 1157 /* 1158 * typical syscall call order 1159 */ 1160 void sysctl_lock(bool); 1161 int sysctl_dispatch(SYSCTLFN_PROTO); 1162 void sysctl_unlock(void); 1163 void sysctl_relock(void); 1164 1165 /* 1166 * tree navigation primitives (must obtain lock before using these) 1167 */ 1168 int sysctl_locate(struct lwp *, const int *, u_int, 1169 const struct sysctlnode **, int *); 1170 int sysctl_query(SYSCTLFN_PROTO); 1171 int sysctl_create(SYSCTLFN_PROTO); 1172 int sysctl_destroy(SYSCTLFN_PROTO); 1173 int sysctl_lookup(SYSCTLFN_PROTO); 1174 int sysctl_describe(SYSCTLFN_PROTO); 1175 1176 /* 1177 * simple variadic interface for adding/removing nodes 1178 */ 1179 int sysctl_createv(struct sysctllog **, int, 1180 const struct sysctlnode **, const struct sysctlnode **, 1181 int, int, const char *, const char *, 1182 sysctlfn, u_quad_t, void *, size_t, ...); 1183 int sysctl_destroyv(struct sysctlnode *, ...); 1184 1185 #define VERIFY_FN(ctl_type, c_type) \ 1186 __always_inline static __inline void * \ 1187 __sysctl_verify_##ctl_type##_arg(c_type *arg) \ 1188 { \ 1189 return arg; \ 1190 } 1191 1192 VERIFY_FN(CTLTYPE_NODE, struct sysctlnode); 1193 VERIFY_FN(CTLTYPE_INT, int); 1194 VERIFY_FN(CTLTYPE_STRING, char); 1195 VERIFY_FN(CTLTYPE_QUAD, int64_t); 1196 VERIFY_FN(CTLTYPE_STRUCT, void); 1197 VERIFY_FN(CTLTYPE_BOOL, bool); 1198 VERIFY_FN(CTLTYPE_LONG, long); 1199 #undef VERIFY_FN 1200 1201 #define sysctl_createv(lg, cfl, rn, cn, fl, type, nm, desc, fn, qv, newp, ...) \ 1202 sysctl_createv(lg, cfl, rn, cn, fl, type, nm, desc, fn, qv, \ 1203 __sysctl_verify_##type##_arg(newp), __VA_ARGS__) 1204 1205 /* 1206 * miscellany 1207 */ 1208 void sysctl_dump(const struct sysctlnode *); 1209 void sysctl_free(struct sysctlnode *); 1210 void sysctl_teardown(struct sysctllog **); 1211 void sysctl_log_print(const struct sysctllog *); 1212 1213 #ifdef SYSCTL_INCLUDE_DESCR 1214 #define SYSCTL_DESCR(s) s 1215 #else /* SYSCTL_INCLUDE_DESCR */ 1216 #define SYSCTL_DESCR(s) NULL 1217 #endif /* SYSCTL_INCLUDE_DESCR */ 1218 1219 /* 1220 * simple interface similar to old interface for in-kernel consumption 1221 */ 1222 int old_sysctl(int *, u_int, void *, size_t *, void *, size_t, struct lwp *); 1223 1224 /* 1225 * these helpers are in other files (XXX so should the nodes be) or 1226 * are used by more than one node 1227 */ 1228 int sysctl_hw_tapenames(SYSCTLFN_PROTO); 1229 int sysctl_hw_tapestats(SYSCTLFN_PROTO); 1230 int sysctl_kern_vnode(SYSCTLFN_PROTO); 1231 int sysctl_net_inet_ip_ports(SYSCTLFN_PROTO); 1232 int sysctl_consdev(SYSCTLFN_PROTO); 1233 int sysctl_root_device(SYSCTLFN_PROTO); 1234 int sysctl_vfs_generic_fstypes(SYSCTLFN_PROTO); 1235 1236 /* 1237 * primitive helper stubs 1238 */ 1239 int sysctl_needfunc(SYSCTLFN_PROTO); 1240 int sysctl_notavail(SYSCTLFN_PROTO); 1241 int sysctl_null(SYSCTLFN_PROTO); 1242 1243 int sysctl_copyin(struct lwp *, const void *, void *, size_t); 1244 int sysctl_copyout(struct lwp *, const void *, void *, size_t); 1245 int sysctl_copyinstr(struct lwp *, const void *, void *, size_t, size_t *); 1246 1247 u_int sysctl_map_flags(const u_int *, u_int); 1248 1249 MALLOC_DECLARE(M_SYSCTLNODE); 1250 MALLOC_DECLARE(M_SYSCTLDATA); 1251 1252 extern const u_int sysctl_lwpflagmap[]; 1253 1254 #ifdef SYSCTL_PRIVATE 1255 extern cprng_strong_t *sysctl_prng; 1256 #endif 1257 1258 #else /* !_KERNEL */ 1259 #include <sys/cdefs.h> 1260 1261 typedef void *sysctlfn; 1262 1263 __BEGIN_DECLS 1264 int sysctl(const int *, u_int, void *, size_t *, const void *, size_t); 1265 #if !defined(__minix) 1266 int sysctlbyname(const char *, void *, size_t *, const void *, size_t); 1267 int sysctlgetmibinfo(const char *, int *, u_int *, 1268 char *, size_t *, struct sysctlnode **, int); 1269 int sysctlnametomib(const char *, int *, size_t *); 1270 int proc_compare(const struct kinfo_proc2 *, const struct kinfo_lwp *, 1271 const struct kinfo_proc2 *, const struct kinfo_lwp *); 1272 #endif /* !defined(__minix) */ 1273 __END_DECLS 1274 1275 #endif /* !_KERNEL */ 1276 1277 #ifdef __COMPAT_SYSCTL 1278 /* 1279 * old node definitions go here 1280 */ 1281 #endif /* __COMPAT_SYSCTL */ 1282 1283 /* 1284 * padding makes alignment magically "work" for 32/64 compatibility at 1285 * the expense of making things bigger on 32 bit platforms. 1286 */ 1287 #if defined(_LP64) || (BYTE_ORDER == LITTLE_ENDIAN) 1288 #define __sysc_pad(type) union { uint64_t __sysc_upad; \ 1289 struct { type __sysc_sdatum; } __sysc_ustr; } 1290 #else 1291 #define __sysc_pad(type) union { uint64_t __sysc_upad; \ 1292 struct { uint32_t __sysc_spad; type __sysc_sdatum; } __sysc_ustr; } 1293 #endif 1294 #define __sysc_unpad(x) x.__sysc_ustr.__sysc_sdatum 1295 1296 /* 1297 * The following is for gcc2, which doesn't handle __sysc_unpad(). 1298 * The code gets a little less ugly this way. 1299 */ 1300 #define sysc_init_field(field, value) \ 1301 .field = { .__sysc_ustr = { .__sysc_sdatum = (value), }, } 1302 1303 struct sysctlnode { 1304 uint32_t sysctl_flags; /* flags and type */ 1305 int32_t sysctl_num; /* mib number */ 1306 char sysctl_name[SYSCTL_NAMELEN]; /* node name */ 1307 uint32_t sysctl_ver; /* node's version vs. rest of tree */ 1308 uint32_t __rsvd; 1309 union { 1310 struct { 1311 uint32_t suc_csize; /* size of child node array */ 1312 uint32_t suc_clen; /* number of valid children */ 1313 __sysc_pad(struct sysctlnode*) _suc_child; /* array of child nodes */ 1314 } scu_child; 1315 struct { 1316 __sysc_pad(void*) _sud_data; /* pointer to external data */ 1317 __sysc_pad(size_t) _sud_offset; /* offset to data */ 1318 } scu_data; 1319 int32_t scu_alias; /* node this node refers to */ 1320 int32_t scu_idata; /* immediate "int" data */ 1321 u_quad_t scu_qdata; /* immediate "u_quad_t" data */ 1322 bool scu_bdata; /* immediate bool data */ 1323 } sysctl_un; 1324 __sysc_pad(size_t) _sysctl_size; /* size of instrumented data */ 1325 __sysc_pad(sysctlfn) _sysctl_func; /* access helper function */ 1326 __sysc_pad(struct sysctlnode*) _sysctl_parent; /* parent of this node */ 1327 __sysc_pad(const char *) _sysctl_desc; /* description of node */ 1328 }; 1329 1330 /* 1331 * padded data 1332 */ 1333 #define suc_child __sysc_unpad(_suc_child) 1334 #define sud_data __sysc_unpad(_sud_data) 1335 #define sud_offset __sysc_unpad(_sud_offset) 1336 #define sysctl_size __sysc_unpad(_sysctl_size) 1337 #define sysctl_func __sysc_unpad(_sysctl_func) 1338 #define sysctl_parent __sysc_unpad(_sysctl_parent) 1339 #define sysctl_desc __sysc_unpad(_sysctl_desc) 1340 1341 /* 1342 * nested data (may also be padded) 1343 */ 1344 #define sysctl_csize sysctl_un.scu_child.suc_csize 1345 #define sysctl_clen sysctl_un.scu_child.suc_clen 1346 #define sysctl_child sysctl_un.scu_child.suc_child 1347 #define sysctl_data sysctl_un.scu_data.sud_data 1348 #define sysctl_offset sysctl_un.scu_data.sud_offset 1349 #define sysctl_alias sysctl_un.scu_alias 1350 #define sysctl_idata sysctl_un.scu_idata 1351 #define sysctl_qdata sysctl_un.scu_qdata 1352 #define sysctl_bdata sysctl_un.scu_bdata 1353 1354 /* 1355 * when requesting a description of a node (a set of nodes, actually), 1356 * you get back an "array" of these, where the actual length of the 1357 * descr_str is noted in descr_len (which includes the trailing nul 1358 * byte), rounded up to the nearest four (sizeof(int32_t) actually). 1359 * 1360 * NEXT_DESCR() will take a pointer to a description and advance it to 1361 * the next description. 1362 */ 1363 struct sysctldesc { 1364 int32_t descr_num; /* mib number of node */ 1365 uint32_t descr_ver; /* version of node */ 1366 uint32_t descr_len; /* length of description string */ 1367 char descr_str[1]; /* not really 1...see above */ 1368 }; 1369 1370 #define __sysc_desc_roundup(x) ((((x) - 1) | (sizeof(int32_t) - 1)) + 1) 1371 #define __sysc_desc_adv(d, l) \ 1372 (/*XXXUNCONST ptr cast*/(struct sysctldesc *) \ 1373 __UNCONST(((const char*)(d)) + offsetof(struct sysctldesc, descr_str) +\ 1374 __sysc_desc_roundup(l))) 1375 #define NEXT_DESCR(d) __sysc_desc_adv((d), (d)->descr_len) 1376 1377 static __inline const struct sysctlnode * 1378 sysctl_rootof(const struct sysctlnode *n) 1379 { 1380 while (n->sysctl_parent != NULL) 1381 n = n->sysctl_parent; 1382 return (n); 1383 } 1384 1385 #endif /* !_SYS_SYSCTL_H_ */ 1386