| 1 | /* $NetBSD: sysctl.h,v 1.221 2016/04/04 23:31:46 christos Exp $ */ |
| 2 | |
| 3 | /* |
| 4 | * Copyright (c) 1989, 1993 |
| 5 | * The Regents of the University of California. All rights reserved. |
| 6 | * |
| 7 | * This code is derived from software contributed to Berkeley by |
| 8 | * Mike Karels at Berkeley Software Design, Inc. |
| 9 | * |
| 10 | * Redistribution and use in source and binary forms, with or without |
| 11 | * modification, are permitted provided that the following conditions |
| 12 | * are met: |
| 13 | * 1. Redistributions of source code must retain the above copyright |
| 14 | * notice, this list of conditions and the following disclaimer. |
| 15 | * 2. Redistributions in binary form must reproduce the above copyright |
| 16 | * notice, this list of conditions and the following disclaimer in the |
| 17 | * documentation and/or other materials provided with the distribution. |
| 18 | * 3. Neither the name of the University nor the names of its contributors |
| 19 | * may be used to endorse or promote products derived from this software |
| 20 | * without specific prior written permission. |
| 21 | * |
| 22 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| 23 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 24 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 25 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| 26 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 27 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 28 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 29 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 30 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 31 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 32 | * SUCH DAMAGE. |
| 33 | * |
| 34 | * @(#)sysctl.h 8.1 (Berkeley) 6/2/93 |
| 35 | */ |
| 36 | |
| 37 | #ifndef _SYS_SYSCTL_H_ |
| 38 | #define _SYS_SYSCTL_H_ |
| 39 | |
| 40 | #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 | /* |
| 65 | * Definitions for sysctl call. The sysctl call uses a hierarchical name |
| 66 | * for objects that can be examined or modified. The name is expressed as |
| 67 | * a sequence of integers. Like a file path name, the meaning of each |
| 68 | * component depends on its place in the hierarchy. The top-level and kern |
| 69 | * identifiers are defined here, and other identifiers are defined in the |
| 70 | * respective subsystem header files. |
| 71 | */ |
| 72 | |
| 73 | struct sysctlnode; |
| 74 | |
| 75 | #define CTL_MAXNAME 12 /* largest number of components supported */ |
| 76 | #define SYSCTL_NAMELEN 32 /* longest name allowed for a node */ |
| 77 | |
| 78 | #define CREATE_BASE (1024) /* start of dynamic mib allocation */ |
| 79 | #define SYSCTL_DEFSIZE 8 /* initial size of a child set */ |
| 80 | |
| 81 | /* |
| 82 | * Each subsystem defined by sysctl defines a list of variables |
| 83 | * for that subsystem. Each name is either a node with further |
| 84 | * levels defined below it, or it is a leaf of some particular |
| 85 | * type given below. Each sysctl level defines a set of name/type |
| 86 | * pairs to be used by sysctl(1) in manipulating the subsystem. |
| 87 | */ |
| 88 | struct ctlname { |
| 89 | const char *ctl_name; /* subsystem name */ |
| 90 | int ctl_type; /* type of name */ |
| 91 | }; |
| 92 | #define CTLTYPE_NODE 1 /* name is a node */ |
| 93 | #define CTLTYPE_INT 2 /* name describes an integer */ |
| 94 | #define CTLTYPE_STRING 3 /* name describes a string */ |
| 95 | #define CTLTYPE_QUAD 4 /* name describes a 64-bit number */ |
| 96 | #define CTLTYPE_STRUCT 5 /* name describes a structure */ |
| 97 | #define CTLTYPE_BOOL 6 /* name describes a bool */ |
| 98 | |
| 99 | #ifdef _LP64 |
| 100 | #define CTLTYPE_LONG CTLTYPE_QUAD |
| 101 | #else |
| 102 | #define CTLTYPE_LONG CTLTYPE_INT |
| 103 | #endif |
| 104 | |
| 105 | /* |
| 106 | * Flags that apply to each node, governing access and other features |
| 107 | */ |
| 108 | #define CTLFLAG_READONLY 0x00000000 |
| 109 | /* #define CTLFLAG_UNUSED1 0x00000010 */ |
| 110 | /* #define CTLFLAG_UNUSED2 0x00000020 */ |
| 111 | /* #define CTLFLAG_READ* 0x00000040 */ |
| 112 | #define CTLFLAG_READWRITE 0x00000070 |
| 113 | #define CTLFLAG_ANYWRITE 0x00000080 |
| 114 | #define CTLFLAG_PRIVATE 0x00000100 |
| 115 | #define CTLFLAG_PERMANENT 0x00000200 |
| 116 | #define CTLFLAG_OWNDATA 0x00000400 |
| 117 | #define CTLFLAG_IMMEDIATE 0x00000800 |
| 118 | #define CTLFLAG_HEX 0x00001000 |
| 119 | #define CTLFLAG_ROOT 0x00002000 |
| 120 | #define CTLFLAG_ANYNUMBER 0x00004000 |
| 121 | #define CTLFLAG_HIDDEN 0x00008000 |
| 122 | #define CTLFLAG_ALIAS 0x00010000 |
| 123 | #define CTLFLAG_MMAP 0x00020000 |
| 124 | #define CTLFLAG_OWNDESC 0x00040000 |
| 125 | #define CTLFLAG_UNSIGNED 0x00080000 |
| 126 | |
| 127 | /* |
| 128 | * sysctl API version |
| 129 | */ |
| 130 | #define SYSCTL_VERS_MASK 0xff000000 |
| 131 | #define SYSCTL_VERS_0 0x00000000 |
| 132 | #define SYSCTL_VERS_1 0x01000000 |
| 133 | #define SYSCTL_VERSION SYSCTL_VERS_1 |
| 134 | #define SYSCTL_VERS(f) ((f) & SYSCTL_VERS_MASK) |
| 135 | |
| 136 | /* |
| 137 | * Flags that can be set by a create request from user-space |
| 138 | */ |
| 139 | #define SYSCTL_USERFLAGS (CTLFLAG_READWRITE|\ |
| 140 | CTLFLAG_ANYWRITE|\ |
| 141 | CTLFLAG_PRIVATE|\ |
| 142 | CTLFLAG_OWNDATA|\ |
| 143 | CTLFLAG_IMMEDIATE|\ |
| 144 | CTLFLAG_HEX|\ |
| 145 | CTLFLAG_HIDDEN) |
| 146 | |
| 147 | /* |
| 148 | * Accessor macros |
| 149 | */ |
| 150 | #define SYSCTL_TYPEMASK 0x0000000f |
| 151 | #define SYSCTL_TYPE(x) ((x) & SYSCTL_TYPEMASK) |
| 152 | #define SYSCTL_FLAGMASK 0x00fffff0 |
| 153 | #define SYSCTL_FLAGS(x) ((x) & SYSCTL_FLAGMASK) |
| 154 | |
| 155 | /* |
| 156 | * Meta-identifiers |
| 157 | */ |
| 158 | #define CTL_EOL (-1) /* end of createv/destroyv list */ |
| 159 | #define CTL_QUERY (-2) /* enumerates children of a node */ |
| 160 | #define CTL_CREATE (-3) /* node create request */ |
| 161 | #define CTL_CREATESYM (-4) /* node create request with symbol */ |
| 162 | #define CTL_DESTROY (-5) /* node destroy request */ |
| 163 | #define CTL_MMAP (-6) /* mmap request */ |
| 164 | #define CTL_DESCRIBE (-7) /* get node descriptions */ |
| 165 | |
| 166 | /* |
| 167 | * Top-level identifiers |
| 168 | */ |
| 169 | #define CTL_UNSPEC 0 /* unused */ |
| 170 | #define CTL_KERN 1 /* "high kernel": proc, limits */ |
| 171 | #define CTL_VM 2 /* virtual memory */ |
| 172 | #define CTL_VFS 3 /* file system, mount type is next */ |
| 173 | #define CTL_NET 4 /* network, see socket.h */ |
| 174 | #define CTL_DEBUG 5 /* debugging parameters */ |
| 175 | #define CTL_HW 6 /* generic CPU/io */ |
| 176 | #define CTL_MACHDEP 7 /* machine dependent */ |
| 177 | #define CTL_USER 8 /* user-level */ |
| 178 | #define CTL_DDB 9 /* in-kernel debugger */ |
| 179 | #define CTL_PROC 10 /* per-proc attr */ |
| 180 | #define CTL_VENDOR 11 /* vendor-specific data */ |
| 181 | #define CTL_EMUL 12 /* emulation-specific data */ |
| 182 | #define CTL_SECURITY 13 /* security */ |
| 183 | #define CTL_MAXID 14 /* number of valid top-level ids */ |
| 184 | |
| 185 | /* |
| 186 | * The "vendor" toplevel name is to be used by vendors who wish to |
| 187 | * have their own private MIB tree. If you do that, please use |
| 188 | * vendor.<yourname>.* |
| 189 | */ |
| 190 | |
| 191 | /* |
| 192 | * CTL_KERN identifiers |
| 193 | */ |
| 194 | #define KERN_OSTYPE 1 /* string: system version */ |
| 195 | #define KERN_OSRELEASE 2 /* string: system release */ |
| 196 | #define KERN_OSREV 3 /* int: system revision */ |
| 197 | #define KERN_VERSION 4 /* string: compile time info */ |
| 198 | #define KERN_MAXVNODES 5 /* int: max vnodes */ |
| 199 | #define KERN_MAXPROC 6 /* int: max processes */ |
| 200 | #define KERN_MAXFILES 7 /* int: max open files */ |
| 201 | #define KERN_ARGMAX 8 /* int: max arguments to exec */ |
| 202 | #define KERN_SECURELVL 9 /* int: system security level */ |
| 203 | #define KERN_HOSTNAME 10 /* string: hostname */ |
| 204 | #define KERN_HOSTID 11 /* int: host identifier */ |
| 205 | #define KERN_CLOCKRATE 12 /* struct: struct clockinfo */ |
| 206 | #define KERN_VNODE 13 /* struct: vnode structures */ |
| 207 | #define KERN_PROC 14 /* struct: process entries */ |
| 208 | #define KERN_FILE 15 /* struct: file entries */ |
| 209 | #define KERN_PROF 16 /* node: kernel profiling info */ |
| 210 | #define KERN_POSIX1 17 /* int: POSIX.1 version */ |
| 211 | #define KERN_NGROUPS 18 /* int: # of supplemental group ids */ |
| 212 | #define KERN_JOB_CONTROL 19 /* int: is job control available */ |
| 213 | #define KERN_SAVED_IDS 20 /* int: saved set-user/group-ID */ |
| 214 | #define KERN_OBOOTTIME 21 /* struct: time kernel was booted */ |
| 215 | #define KERN_DOMAINNAME 22 /* string: (YP) domainname */ |
| 216 | #define KERN_MAXPARTITIONS 23 /* int: number of partitions/disk */ |
| 217 | #define KERN_RAWPARTITION 24 /* int: raw partition number */ |
| 218 | #define KERN_NTPTIME 25 /* struct: extended-precision time */ |
| 219 | #define KERN_TIMEX 26 /* struct: ntp timekeeping state */ |
| 220 | #define KERN_AUTONICETIME 27 /* int: proc time before autonice */ |
| 221 | #define KERN_AUTONICEVAL 28 /* int: auto nice value */ |
| 222 | #define KERN_RTC_OFFSET 29 /* int: offset of rtc from gmt */ |
| 223 | #define KERN_ROOT_DEVICE 30 /* string: root device */ |
| 224 | #define KERN_MSGBUFSIZE 31 /* int: max # of chars in msg buffer */ |
| 225 | #define KERN_FSYNC 32 /* int: file synchronization support */ |
| 226 | #define KERN_OLDSYSVMSG 33 /* old: SysV message queue support */ |
| 227 | #define KERN_OLDSYSVSEM 34 /* old: SysV semaphore support */ |
| 228 | #define KERN_OLDSYSVSHM 35 /* old: SysV shared memory support */ |
| 229 | #define KERN_OLDSHORTCORENAME 36 /* old, unimplemented */ |
| 230 | #define KERN_SYNCHRONIZED_IO 37 /* int: POSIX synchronized I/O */ |
| 231 | #define KERN_IOV_MAX 38 /* int: max iovec's for readv(2) etc. */ |
| 232 | #define KERN_MBUF 39 /* node: mbuf parameters */ |
| 233 | #define KERN_MAPPED_FILES 40 /* int: POSIX memory mapped files */ |
| 234 | #define KERN_MEMLOCK 41 /* int: POSIX memory locking */ |
| 235 | #define KERN_MEMLOCK_RANGE 42 /* int: POSIX memory range locking */ |
| 236 | #define KERN_MEMORY_PROTECTION 43 /* int: POSIX memory protections */ |
| 237 | #define KERN_LOGIN_NAME_MAX 44 /* int: max length login name + NUL */ |
| 238 | #define KERN_DEFCORENAME 45 /* old: sort core name format */ |
| 239 | #define KERN_LOGSIGEXIT 46 /* int: log signaled processes */ |
| 240 | #define KERN_PROC2 47 /* struct: process entries */ |
| 241 | #define KERN_PROC_ARGS 48 /* struct: process argv/env */ |
| 242 | #define KERN_FSCALE 49 /* int: fixpt FSCALE */ |
| 243 | #define KERN_CCPU 50 /* old: fixpt ccpu */ |
| 244 | #define KERN_CP_TIME 51 /* struct: CPU time counters */ |
| 245 | #define KERN_OLDSYSVIPC_INFO 52 /* old: number of valid kern ids */ |
| 246 | #define KERN_MSGBUF 53 /* kernel message buffer */ |
| 247 | #define KERN_CONSDEV 54 /* dev_t: console terminal device */ |
| 248 | #define KERN_MAXPTYS 55 /* int: maximum number of ptys */ |
| 249 | #define KERN_PIPE 56 /* node: pipe limits */ |
| 250 | #define KERN_MAXPHYS 57 /* int: kernel value of MAXPHYS */ |
| 251 | #define KERN_SBMAX 58 /* int: max socket buffer size */ |
| 252 | #define KERN_TKSTAT 59 /* tty in/out counters */ |
| 253 | #define KERN_MONOTONIC_CLOCK 60 /* int: POSIX monotonic clock */ |
| 254 | #define KERN_URND 61 /* int: random integer from urandom */ |
| 255 | #define KERN_LABELSECTOR 62 /* int: disklabel sector */ |
| 256 | #define KERN_LABELOFFSET 63 /* int: offset of label within sector */ |
| 257 | #define KERN_LWP 64 /* struct: lwp entries */ |
| 258 | #define KERN_FORKFSLEEP 65 /* int: sleep length on failed fork */ |
| 259 | #define KERN_POSIX_THREADS 66 /* int: POSIX Threads option */ |
| 260 | #define KERN_POSIX_SEMAPHORES 67 /* int: POSIX Semaphores option */ |
| 261 | #define KERN_POSIX_BARRIERS 68 /* int: POSIX Barriers option */ |
| 262 | #define KERN_POSIX_TIMERS 69 /* int: POSIX Timers option */ |
| 263 | #define KERN_POSIX_SPIN_LOCKS 70 /* int: POSIX Spin Locks option */ |
| 264 | #define KERN_POSIX_READER_WRITER_LOCKS 71 /* int: POSIX R/W Locks option */ |
| 265 | #define KERN_DUMP_ON_PANIC 72 /* int: dump on panic */ |
| 266 | #define KERN_SOMAXKVA 73 /* int: max socket kernel virtual mem */ |
| 267 | #define KERN_ROOT_PARTITION 74 /* int: root partition */ |
| 268 | #define KERN_DRIVERS 75 /* struct: driver names and majors #s */ |
| 269 | #define KERN_BUF 76 /* struct: buffers */ |
| 270 | #define KERN_FILE2 77 /* struct: file entries */ |
| 271 | #define KERN_VERIEXEC 78 /* node: verified exec */ |
| 272 | #define KERN_CP_ID 79 /* struct: cpu id numbers */ |
| 273 | #define KERN_HARDCLOCK_TICKS 80 /* int: number of hardclock ticks */ |
| 274 | #define KERN_ARND 81 /* void *buf, size_t siz random */ |
| 275 | #define KERN_SYSVIPC 82 /* node: SysV IPC parameters */ |
| 276 | #define KERN_BOOTTIME 83 /* struct: time kernel was booted */ |
| 277 | #define KERN_EVCNT 84 /* struct: evcnts */ |
| 278 | #define KERN_MAXID 85 /* number of valid kern ids */ |
| 279 | |
| 280 | |
| 281 | #define CTL_KERN_NAMES { \ |
| 282 | { 0, 0 }, \ |
| 283 | { "ostype", CTLTYPE_STRING }, \ |
| 284 | { "osrelease", CTLTYPE_STRING }, \ |
| 285 | { "osrevision", CTLTYPE_INT }, \ |
| 286 | { "version", CTLTYPE_STRING }, \ |
| 287 | { "maxvnodes", CTLTYPE_INT }, \ |
| 288 | { "maxproc", CTLTYPE_INT }, \ |
| 289 | { "maxfiles", CTLTYPE_INT }, \ |
| 290 | { "argmax", CTLTYPE_INT }, \ |
| 291 | { "securelevel", CTLTYPE_INT }, \ |
| 292 | { "hostname", CTLTYPE_STRING }, \ |
| 293 | { "hostid", CTLTYPE_INT }, \ |
| 294 | { "clockrate", CTLTYPE_STRUCT }, \ |
| 295 | { "vnode", CTLTYPE_STRUCT }, \ |
| 296 | { "proc", CTLTYPE_STRUCT }, \ |
| 297 | { "file", CTLTYPE_STRUCT }, \ |
| 298 | { "profiling", CTLTYPE_NODE }, \ |
| 299 | { "posix1version", CTLTYPE_INT }, \ |
| 300 | { "ngroups", CTLTYPE_INT }, \ |
| 301 | { "job_control", CTLTYPE_INT }, \ |
| 302 | { "saved_ids", CTLTYPE_INT }, \ |
| 303 | { 0, 0 }, \ |
| 304 | { "domainname", CTLTYPE_STRING }, \ |
| 305 | { "maxpartitions", CTLTYPE_INT }, \ |
| 306 | { "rawpartition", CTLTYPE_INT }, \ |
| 307 | { "ntptime", CTLTYPE_STRUCT }, \ |
| 308 | { "timex", CTLTYPE_STRUCT }, \ |
| 309 | { "autonicetime", CTLTYPE_INT }, \ |
| 310 | { "autoniceval", CTLTYPE_INT }, \ |
| 311 | { "rtc_offset", CTLTYPE_INT }, \ |
| 312 | { "root_device", CTLTYPE_STRING }, \ |
| 313 | { "msgbufsize", CTLTYPE_INT }, \ |
| 314 | { "fsync", CTLTYPE_INT }, \ |
| 315 | { 0, 0 }, \ |
| 316 | { 0, 0 }, \ |
| 317 | { 0, 0 }, \ |
| 318 | { 0, 0 }, \ |
| 319 | { "synchronized_io", CTLTYPE_INT }, \ |
| 320 | { "iov_max", CTLTYPE_INT }, \ |
| 321 | { "mbuf", CTLTYPE_NODE }, \ |
| 322 | { "mapped_files", CTLTYPE_INT }, \ |
| 323 | { "memlock", CTLTYPE_INT }, \ |
| 324 | { "memlock_range", CTLTYPE_INT }, \ |
| 325 | { "memory_protection", CTLTYPE_INT }, \ |
| 326 | { "login_name_max", CTLTYPE_INT }, \ |
| 327 | { "defcorename", CTLTYPE_STRING }, \ |
| 328 | { "logsigexit", CTLTYPE_INT }, \ |
| 329 | { "proc2", CTLTYPE_STRUCT }, \ |
| 330 | { "proc_args", CTLTYPE_STRING }, \ |
| 331 | { "fscale", CTLTYPE_INT }, \ |
| 332 | { 0, 0 }, \ |
| 333 | { "cp_time", CTLTYPE_STRUCT }, \ |
| 334 | { 0, 0 }, \ |
| 335 | { "msgbuf", CTLTYPE_STRUCT }, \ |
| 336 | { "consdev", CTLTYPE_STRUCT }, \ |
| 337 | { "maxptys", CTLTYPE_INT }, \ |
| 338 | { "pipe", CTLTYPE_NODE }, \ |
| 339 | { "maxphys", CTLTYPE_INT }, \ |
| 340 | { "sbmax", CTLTYPE_INT }, \ |
| 341 | { "tkstat", CTLTYPE_NODE }, \ |
| 342 | { "monotonic_clock", CTLTYPE_INT }, \ |
| 343 | { "urandom", CTLTYPE_INT }, \ |
| 344 | { "labelsector", CTLTYPE_INT }, \ |
| 345 | { "labeloffset", CTLTYPE_INT }, \ |
| 346 | { "lwp", CTLTYPE_STRUCT }, \ |
| 347 | { "forkfsleep", CTLTYPE_INT }, \ |
| 348 | { "posix_threads", CTLTYPE_INT }, \ |
| 349 | { "posix_semaphores", CTLTYPE_INT }, \ |
| 350 | { "posix_barriers", CTLTYPE_INT }, \ |
| 351 | { "posix_timers", CTLTYPE_INT }, \ |
| 352 | { "posix_spin_locks", CTLTYPE_INT }, \ |
| 353 | { "posix_reader_writer_locks", CTLTYPE_INT }, \ |
| 354 | { "dump_on_panic", CTLTYPE_INT}, \ |
| 355 | { "somaxkva", CTLTYPE_INT}, \ |
| 356 | { "root_partition", CTLTYPE_INT}, \ |
| 357 | { "drivers", CTLTYPE_STRUCT }, \ |
| 358 | { "buf", CTLTYPE_NODE }, \ |
| 359 | { "file2", CTLTYPE_STRUCT }, \ |
| 360 | { "veriexec", CTLTYPE_NODE }, \ |
| 361 | { "cp_id", CTLTYPE_STRUCT }, \ |
| 362 | { "hardclock_ticks", CTLTYPE_INT }, \ |
| 363 | { "arandom", CTLTYPE_STRUCT }, \ |
| 364 | { "sysvipc", CTLTYPE_STRUCT }, \ |
| 365 | { "boottime", CTLTYPE_STRUCT }, \ |
| 366 | { "evcnt", CTLTYPE_STRUCT }, \ |
| 367 | } |
| 368 | |
| 369 | /* |
| 370 | * KERN_CLOCKRATE structure |
| 371 | */ |
| 372 | struct clockinfo { |
| 373 | int hz; /* clock frequency */ |
| 374 | int tick; /* micro-seconds per hz tick */ |
| 375 | int tickadj; /* clock skew rate for adjtime() */ |
| 376 | int stathz; /* statistics clock frequency */ |
| 377 | int profhz; /* profiling clock frequency */ |
| 378 | }; |
| 379 | |
| 380 | /* |
| 381 | * KERN_PROC subtypes |
| 382 | */ |
| 383 | #define KERN_PROC_ALL 0 /* everything */ |
| 384 | #define KERN_PROC_PID 1 /* by process id */ |
| 385 | #define KERN_PROC_PGRP 2 /* by process group id */ |
| 386 | #define KERN_PROC_SESSION 3 /* by session of pid */ |
| 387 | #define KERN_PROC_TTY 4 /* by controlling tty */ |
| 388 | #define KERN_PROC_UID 5 /* by effective uid */ |
| 389 | #define KERN_PROC_RUID 6 /* by real uid */ |
| 390 | #define KERN_PROC_GID 7 /* by effective gid */ |
| 391 | #define KERN_PROC_RGID 8 /* by real gid */ |
| 392 | |
| 393 | /* |
| 394 | * KERN_PROC_TTY sub-subtypes |
| 395 | */ |
| 396 | #define KERN_PROC_TTY_NODEV NODEV /* no controlling tty */ |
| 397 | #define KERN_PROC_TTY_REVOKE ((dev_t)-2) /* revoked tty */ |
| 398 | |
| 399 | struct ki_pcred { |
| 400 | void *p_pad; |
| 401 | uid_t p_ruid; /* Real user id */ |
| 402 | uid_t p_svuid; /* Saved effective user id */ |
| 403 | gid_t p_rgid; /* Real group id */ |
| 404 | gid_t p_svgid; /* Saved effective group id */ |
| 405 | int p_refcnt; /* Number of references */ |
| 406 | }; |
| 407 | |
| 408 | struct ki_ucred { |
| 409 | uint32_t cr_ref; /* reference count */ |
| 410 | uid_t cr_uid; /* effective user id */ |
| 411 | gid_t cr_gid; /* effective group id */ |
| 412 | uint32_t cr_ngroups; /* number of groups */ |
| 413 | gid_t cr_groups[NGROUPS]; /* groups */ |
| 414 | }; |
| 415 | |
| 416 | #if defined(_KERNEL) || defined(_KMEMUSER) |
| 417 | |
| 418 | struct eproc { |
| 419 | struct proc *e_paddr; /* address of proc */ |
| 420 | struct session *e_sess; /* session pointer */ |
| 421 | struct ki_pcred e_pcred; /* process credentials */ |
| 422 | struct ki_ucred e_ucred; /* current credentials */ |
| 423 | struct vmspace e_vm; /* address space */ |
| 424 | pid_t e_ppid; /* parent process id */ |
| 425 | pid_t e_pgid; /* process group id */ |
| 426 | short e_jobc; /* job control counter */ |
| 427 | uint32_t e_tdev; /* XXX: controlling tty dev */ |
| 428 | pid_t e_tpgid; /* tty process group id */ |
| 429 | struct session *e_tsess; /* tty session pointer */ |
| 430 | #define WMESGLEN 8 |
| 431 | char e_wmesg[WMESGLEN]; /* wchan message */ |
| 432 | segsz_t e_xsize; /* text size */ |
| 433 | short ; /* text rss */ |
| 434 | short e_xccount; /* text references */ |
| 435 | short ; |
| 436 | long e_flag; /* see p_eflag below */ |
| 437 | char e_login[MAXLOGNAME]; /* setlogin() name */ |
| 438 | pid_t e_sid; /* session id */ |
| 439 | long e_spare[3]; |
| 440 | }; |
| 441 | |
| 442 | /* |
| 443 | * KERN_PROC subtype ops return arrays of augmented proc structures: |
| 444 | */ |
| 445 | struct kinfo_proc { |
| 446 | struct proc kp_proc; /* proc structure */ |
| 447 | struct eproc kp_eproc; /* eproc structure */ |
| 448 | }; |
| 449 | #endif /* defined(_KERNEL) || defined(_KMEMUSER) */ |
| 450 | |
| 451 | /* |
| 452 | * Convert pointer to 64 bit unsigned integer for struct |
| 453 | * kinfo_proc2, etc. |
| 454 | */ |
| 455 | #define PTRTOUINT64(p) ((uint64_t)(uintptr_t)(p)) |
| 456 | #define UINT64TOPTR(u) ((void *)(uintptr_t)(u)) |
| 457 | |
| 458 | /* |
| 459 | * KERN_PROC2 subtype ops return arrays of relatively fixed size |
| 460 | * structures of process info. Use 8 byte alignment, and new |
| 461 | * elements should only be added to the end of this structure so |
| 462 | * binary compatibility can be preserved. |
| 463 | */ |
| 464 | #define KI_NGROUPS 16 |
| 465 | #define KI_MAXCOMLEN 24 /* extra for 8 byte alignment */ |
| 466 | #define KI_WMESGLEN 8 |
| 467 | #define KI_MAXLOGNAME 24 /* extra for 8 byte alignment */ |
| 468 | #define KI_MAXEMULLEN 16 |
| 469 | #define KI_LNAMELEN 20 /* extra 4 for alignment */ |
| 470 | |
| 471 | #define KI_NOCPU (~(uint64_t)0) |
| 472 | |
| 473 | typedef struct { |
| 474 | uint32_t __bits[4]; |
| 475 | } ki_sigset_t; |
| 476 | |
| 477 | struct kinfo_proc2 { |
| 478 | uint64_t p_forw; /* PTR: linked run/sleep queue. */ |
| 479 | uint64_t p_back; |
| 480 | uint64_t p_paddr; /* PTR: address of proc */ |
| 481 | |
| 482 | uint64_t p_addr; /* PTR: Kernel virtual addr of u-area */ |
| 483 | uint64_t p_fd; /* PTR: Ptr to open files structure. */ |
| 484 | uint64_t p_cwdi; /* PTR: cdir/rdir/cmask info */ |
| 485 | uint64_t p_stats; /* PTR: Accounting/statistics */ |
| 486 | uint64_t p_limit; /* PTR: Process limits. */ |
| 487 | uint64_t p_vmspace; /* PTR: Address space. */ |
| 488 | uint64_t p_sigacts; /* PTR: Signal actions, state */ |
| 489 | uint64_t p_sess; /* PTR: session pointer */ |
| 490 | uint64_t p_tsess; /* PTR: tty session pointer */ |
| 491 | uint64_t p_ru; /* PTR: Exit information. XXX */ |
| 492 | |
| 493 | int32_t p_eflag; /* LONG: extra kinfo_proc2 flags */ |
| 494 | #define EPROC_CTTY 0x01 /* controlling tty vnode active */ |
| 495 | #define EPROC_SLEADER 0x02 /* session leader */ |
| 496 | int32_t p_exitsig; /* INT: signal to sent to parent on exit */ |
| 497 | int32_t p_flag; /* INT: P_* flags. */ |
| 498 | |
| 499 | int32_t p_pid; /* PID_T: Process identifier. */ |
| 500 | int32_t p_ppid; /* PID_T: Parent process id */ |
| 501 | int32_t p_sid; /* PID_T: session id */ |
| 502 | int32_t p__pgid; /* PID_T: process group id */ |
| 503 | /* XXX: <sys/proc.h> hijacks p_pgid */ |
| 504 | int32_t p_tpgid; /* PID_T: tty process group id */ |
| 505 | |
| 506 | uint32_t p_uid; /* UID_T: effective user id */ |
| 507 | uint32_t p_ruid; /* UID_T: real user id */ |
| 508 | uint32_t p_gid; /* GID_T: effective group id */ |
| 509 | uint32_t p_rgid; /* GID_T: real group id */ |
| 510 | |
| 511 | uint32_t p_groups[KI_NGROUPS]; /* GID_T: groups */ |
| 512 | int16_t p_ngroups; /* SHORT: number of groups */ |
| 513 | |
| 514 | int16_t p_jobc; /* SHORT: job control counter */ |
| 515 | uint32_t p_tdev; /* XXX: DEV_T: controlling tty dev */ |
| 516 | |
| 517 | uint32_t p_estcpu; /* U_INT: Time averaged value of p_cpticks. */ |
| 518 | uint32_t p_rtime_sec; /* STRUCT TIMEVAL: Real time. */ |
| 519 | uint32_t p_rtime_usec; /* STRUCT TIMEVAL: Real time. */ |
| 520 | int32_t p_cpticks; /* INT: Ticks of CPU time. */ |
| 521 | uint32_t p_pctcpu; /* FIXPT_T: %cpu for this process during p_swtime */ |
| 522 | uint32_t p_swtime; /* U_INT: Time swapped in or out. */ |
| 523 | uint32_t p_slptime; /* U_INT: Time since last blocked. */ |
| 524 | int32_t p_schedflags; /* INT: PSCHED_* flags */ |
| 525 | |
| 526 | uint64_t p_uticks; /* U_QUAD_T: Statclock hits in user mode. */ |
| 527 | uint64_t p_sticks; /* U_QUAD_T: Statclock hits in system mode. */ |
| 528 | uint64_t p_iticks; /* U_QUAD_T: Statclock hits processing intr. */ |
| 529 | |
| 530 | uint64_t p_tracep; /* PTR: Trace to vnode or file */ |
| 531 | int32_t p_traceflag; /* INT: Kernel trace points. */ |
| 532 | |
| 533 | int32_t p_holdcnt; /* INT: If non-zero, don't swap. */ |
| 534 | |
| 535 | ki_sigset_t p_siglist; /* SIGSET_T: Signals arrived but not delivered. */ |
| 536 | ki_sigset_t p_sigmask; /* SIGSET_T: Current signal mask. */ |
| 537 | ki_sigset_t p_sigignore; /* SIGSET_T: Signals being ignored. */ |
| 538 | ki_sigset_t p_sigcatch; /* SIGSET_T: Signals being caught by user. */ |
| 539 | |
| 540 | int8_t p_stat; /* CHAR: S* process status (from LWP). */ |
| 541 | uint8_t p_priority; /* U_CHAR: Process priority. */ |
| 542 | uint8_t p_usrpri; /* U_CHAR: User-priority based on p_cpu and p_nice. */ |
| 543 | uint8_t p_nice; /* U_CHAR: Process "nice" value. */ |
| 544 | |
| 545 | uint16_t p_xstat; /* U_SHORT: Exit status for wait; also stop signal. */ |
| 546 | uint16_t p_acflag; /* U_SHORT: Accounting flags. */ |
| 547 | |
| 548 | char p_comm[KI_MAXCOMLEN]; |
| 549 | |
| 550 | char p_wmesg[KI_WMESGLEN]; /* wchan message */ |
| 551 | uint64_t p_wchan; /* PTR: sleep address. */ |
| 552 | |
| 553 | char p_login[KI_MAXLOGNAME]; /* setlogin() name */ |
| 554 | |
| 555 | int32_t ; /* SEGSZ_T: current resident set size in pages */ |
| 556 | int32_t p_vm_tsize; /* SEGSZ_T: text size (pages) */ |
| 557 | int32_t p_vm_dsize; /* SEGSZ_T: data size (pages) */ |
| 558 | int32_t p_vm_ssize; /* SEGSZ_T: stack size (pages) */ |
| 559 | |
| 560 | int64_t p_uvalid; /* CHAR: following p_u* parameters are valid */ |
| 561 | /* XXX 64 bits for alignment */ |
| 562 | uint32_t p_ustart_sec; /* STRUCT TIMEVAL: starting time. */ |
| 563 | uint32_t p_ustart_usec; /* STRUCT TIMEVAL: starting time. */ |
| 564 | |
| 565 | uint32_t p_uutime_sec; /* STRUCT TIMEVAL: user time. */ |
| 566 | uint32_t p_uutime_usec; /* STRUCT TIMEVAL: user time. */ |
| 567 | uint32_t p_ustime_sec; /* STRUCT TIMEVAL: system time. */ |
| 568 | uint32_t p_ustime_usec; /* STRUCT TIMEVAL: system time. */ |
| 569 | |
| 570 | uint64_t ; /* LONG: max resident set size. */ |
| 571 | uint64_t ; /* LONG: integral shared memory size. */ |
| 572 | uint64_t ; /* LONG: integral unshared data ". */ |
| 573 | uint64_t ; /* LONG: integral unshared stack ". */ |
| 574 | uint64_t p_uru_minflt; /* LONG: page reclaims. */ |
| 575 | uint64_t p_uru_majflt; /* LONG: page faults. */ |
| 576 | uint64_t p_uru_nswap; /* LONG: swaps. */ |
| 577 | uint64_t p_uru_inblock; /* LONG: block input operations. */ |
| 578 | uint64_t p_uru_oublock; /* LONG: block output operations. */ |
| 579 | uint64_t p_uru_msgsnd; /* LONG: messages sent. */ |
| 580 | uint64_t p_uru_msgrcv; /* LONG: messages received. */ |
| 581 | uint64_t p_uru_nsignals; /* LONG: signals received. */ |
| 582 | uint64_t p_uru_nvcsw; /* LONG: voluntary context switches. */ |
| 583 | uint64_t p_uru_nivcsw; /* LONG: involuntary ". */ |
| 584 | |
| 585 | uint32_t p_uctime_sec; /* STRUCT TIMEVAL: child u+s time. */ |
| 586 | uint32_t p_uctime_usec; /* STRUCT TIMEVAL: child u+s time. */ |
| 587 | uint64_t p_cpuid; /* LONG: CPU id */ |
| 588 | uint64_t p_realflag; /* INT: P_* flags (not including LWPs). */ |
| 589 | uint64_t p_nlwps; /* LONG: Number of LWPs */ |
| 590 | uint64_t p_nrlwps; /* LONG: Number of running LWPs */ |
| 591 | uint64_t p_realstat; /* LONG: non-LWP process status */ |
| 592 | uint32_t p_svuid; /* UID_T: saved user id */ |
| 593 | uint32_t p_svgid; /* GID_T: saved group id */ |
| 594 | char p_ename[KI_MAXEMULLEN]; /* emulation name */ |
| 595 | int64_t p_vm_vsize; /* SEGSZ_T: total map size (pages) */ |
| 596 | int64_t p_vm_msize; /* SEGSZ_T: stack-adjusted map size (pages) */ |
| 597 | }; |
| 598 | |
| 599 | /* |
| 600 | * Compat flags for kinfo_proc, kinfo_proc2. Not guaranteed to be stable. |
| 601 | * Some of them used to be shared with LWP flags. |
| 602 | * XXXAD Trim to the minimum necessary... |
| 603 | */ |
| 604 | |
| 605 | #define P_ADVLOCK 0x00000001 |
| 606 | #define P_CONTROLT 0x00000002 |
| 607 | #define L_INMEM 0x00000004 |
| 608 | #define P_INMEM /* 0x00000004 */ L_INMEM |
| 609 | #define P_NOCLDSTOP 0x00000008 |
| 610 | #define P_PPWAIT 0x00000010 |
| 611 | #define P_PROFIL 0x00000020 |
| 612 | #define L_SELECT 0x00000040 |
| 613 | #define P_SELECT /* 0x00000040 */ L_SELECT |
| 614 | #define L_SINTR 0x00000080 |
| 615 | #define P_SINTR /* 0x00000080 */ L_SINTR |
| 616 | #define P_SUGID 0x00000100 |
| 617 | #define L_SYSTEM 0x00000200 |
| 618 | #define P_SYSTEM /* 0x00000200 */ L_SYSTEM |
| 619 | #define L_SA 0x00000400 |
| 620 | #define P_SA /* 0x00000400 */ L_SA |
| 621 | #define P_TRACED 0x00000800 |
| 622 | #define P_WAITED 0x00001000 |
| 623 | #define P_WEXIT 0x00002000 |
| 624 | #define P_EXEC 0x00004000 |
| 625 | #define P_OWEUPC 0x00008000 |
| 626 | #define P_FSTRACE 0x00010000 |
| 627 | #define P_NOCLDWAIT 0x00020000 |
| 628 | #define P_32 0x00040000 |
| 629 | #define P_CLDSIGIGN 0x00080000 |
| 630 | #define P_SYSTRACE 0x00200000 |
| 631 | #define P_CHTRACED 0x00400000 |
| 632 | #define P_STOPFORK 0x00800000 |
| 633 | #define P_STOPEXEC 0x01000000 |
| 634 | #define P_STOPEXIT 0x02000000 |
| 635 | #define P_SYSCALL 0x04000000 |
| 636 | #define P_PAXMPROTECT 0x08000000 |
| 637 | #define P_PAXNOMPROTECT 0x10000000 |
| 638 | |
| 639 | /* |
| 640 | * LWP compat flags. |
| 641 | */ |
| 642 | #define L_DETACHED 0x00800000 |
| 643 | |
| 644 | /* |
| 645 | * KERN_LWP structure. See notes on KERN_PROC2 about adding elements. |
| 646 | */ |
| 647 | struct kinfo_lwp { |
| 648 | uint64_t l_forw; /* PTR: linked run/sleep queue. */ |
| 649 | uint64_t l_back; |
| 650 | uint64_t l_laddr; /* PTR: Address of LWP */ |
| 651 | uint64_t l_addr; /* PTR: Kernel virtual addr of u-area */ |
| 652 | int32_t l_lid; /* LWPID_T: LWP identifier */ |
| 653 | int32_t l_flag; /* INT: L_* flags. */ |
| 654 | uint32_t l_swtime; /* U_INT: Time swapped in or out. */ |
| 655 | uint32_t l_slptime; /* U_INT: Time since last blocked. */ |
| 656 | int32_t l_schedflags; /* INT: PSCHED_* flags */ |
| 657 | int32_t l_holdcnt; /* INT: If non-zero, don't swap. */ |
| 658 | uint8_t l_priority; /* U_CHAR: Process priority. */ |
| 659 | uint8_t l_usrpri; /* U_CHAR: User-priority based on l_cpu and p_nice. */ |
| 660 | int8_t l_stat; /* CHAR: S* process status. */ |
| 661 | int8_t l_pad1; /* fill out to 4-byte boundary */ |
| 662 | int32_t l_pad2; /* .. and then to an 8-byte boundary */ |
| 663 | char l_wmesg[KI_WMESGLEN]; /* wchan message */ |
| 664 | uint64_t l_wchan; /* PTR: sleep address. */ |
| 665 | uint64_t l_cpuid; /* LONG: CPU id */ |
| 666 | uint32_t l_rtime_sec; /* STRUCT TIMEVAL: Real time. */ |
| 667 | uint32_t l_rtime_usec; /* STRUCT TIMEVAL: Real time. */ |
| 668 | uint32_t l_cpticks; /* INT: ticks during l_swtime */ |
| 669 | uint32_t l_pctcpu; /* FIXPT_T: cpu usage for ps */ |
| 670 | uint32_t l_pid; /* PID_T: process identifier */ |
| 671 | char l_name[KI_LNAMELEN]; /* CHAR[]: name, may be empty */ |
| 672 | }; |
| 673 | |
| 674 | /* |
| 675 | * KERN_PROC_ARGS subtypes |
| 676 | */ |
| 677 | #define KERN_PROC_ARGV 1 /* argv */ |
| 678 | #define KERN_PROC_NARGV 2 /* number of strings in above */ |
| 679 | #define KERN_PROC_ENV 3 /* environ */ |
| 680 | #define KERN_PROC_NENV 4 /* number of strings in above */ |
| 681 | #define KERN_PROC_PATHNAME 5 /* path to executable */ |
| 682 | |
| 683 | /* |
| 684 | * KERN_SYSVIPC subtypes |
| 685 | */ |
| 686 | #define KERN_SYSVIPC_INFO 1 /* struct: number of valid kern ids */ |
| 687 | #define KERN_SYSVIPC_MSG 2 /* int: SysV message queue support */ |
| 688 | #define KERN_SYSVIPC_SEM 3 /* int: SysV semaphore support */ |
| 689 | #define KERN_SYSVIPC_SHM 4 /* int: SysV shared memory support */ |
| 690 | #define KERN_SYSVIPC_SHMMAX 5 /* int: max shared memory segment size (bytes) */ |
| 691 | #define KERN_SYSVIPC_SHMMNI 6 /* int: max number of shared memory identifiers */ |
| 692 | #define KERN_SYSVIPC_SHMSEG 7 /* int: max shared memory segments per process */ |
| 693 | #define KERN_SYSVIPC_SHMMAXPGS 8 /* int: max amount of shared memory (pages) */ |
| 694 | #define KERN_SYSVIPC_SHMUSEPHYS 9 /* int: physical memory usage */ |
| 695 | |
| 696 | /* |
| 697 | * KERN_SYSVIPC_INFO subtypes |
| 698 | */ |
| 699 | /* KERN_SYSVIPC_OMSG_INFO 1 */ |
| 700 | /* KERN_SYSVIPC_OSEM_INFO 2 */ |
| 701 | /* KERN_SYSVIPC_OSHM_INFO 3 */ |
| 702 | #define KERN_SYSVIPC_MSG_INFO 4 /* msginfo and msgid_ds */ |
| 703 | #define KERN_SYSVIPC_SEM_INFO 5 /* seminfo and semid_ds */ |
| 704 | #define KERN_SYSVIPC_SHM_INFO 6 /* shminfo and shmid_ds */ |
| 705 | |
| 706 | /* |
| 707 | * tty counter sysctl variables |
| 708 | */ |
| 709 | #define KERN_TKSTAT_NIN 1 /* total input character */ |
| 710 | #define KERN_TKSTAT_NOUT 2 /* total output character */ |
| 711 | #define KERN_TKSTAT_CANCC 3 /* canonical input character */ |
| 712 | #define KERN_TKSTAT_RAWCC 4 /* raw input character */ |
| 713 | #define KERN_TKSTAT_MAXID 5 /* number of valid TKSTAT ids */ |
| 714 | |
| 715 | #define KERN_TKSTAT_NAMES { \ |
| 716 | { 0, 0 }, \ |
| 717 | { "nin", CTLTYPE_QUAD }, \ |
| 718 | { "nout", CTLTYPE_QUAD }, \ |
| 719 | { "cancc", CTLTYPE_QUAD }, \ |
| 720 | { "rawcc", CTLTYPE_QUAD }, \ |
| 721 | } |
| 722 | |
| 723 | /* |
| 724 | * kern.drivers returns an array of these. |
| 725 | */ |
| 726 | |
| 727 | struct kinfo_drivers { |
| 728 | devmajor_t d_cmajor; |
| 729 | devmajor_t d_bmajor; |
| 730 | char d_name[24]; |
| 731 | }; |
| 732 | |
| 733 | /* |
| 734 | * KERN_BUF subtypes, like KERN_PROC2, where the four following mib |
| 735 | * entries specify "which type of buf", "which particular buf", |
| 736 | * "sizeof buf", and "how many". Currently, only "all buf" is |
| 737 | * defined. |
| 738 | */ |
| 739 | #define KERN_BUF_ALL 0 /* all buffers */ |
| 740 | |
| 741 | /* |
| 742 | * kern.buf returns an array of these structures, which are designed |
| 743 | * both to be immune to 32/64 bit emulation issues and to provide |
| 744 | * backwards compatibility. Note that the order here differs slightly |
| 745 | * from the real struct buf in order to achieve proper 64 bit |
| 746 | * alignment. |
| 747 | */ |
| 748 | struct buf_sysctl { |
| 749 | uint32_t b_flags; /* LONG: B_* flags */ |
| 750 | int32_t b_error; /* INT: Errno value */ |
| 751 | int32_t b_prio; /* INT: Hint for buffer queue discipline */ |
| 752 | uint32_t b_dev; /* DEV_T: Device associated with buffer */ |
| 753 | uint64_t b_bufsize; /* LONG: Allocated buffer size */ |
| 754 | uint64_t b_bcount; /* LONG: Valid bytes in buffer */ |
| 755 | uint64_t b_resid; /* LONG: Remaining I/O */ |
| 756 | uint64_t b_addr; /* CADDR_T: Memory, superblocks, indirect... */ |
| 757 | uint64_t b_blkno; /* DADDR_T: Underlying physical block number */ |
| 758 | uint64_t b_rawblkno; /* DADDR_T: Raw underlying physical block */ |
| 759 | uint64_t b_iodone; /* PTR: Function called upon completion */ |
| 760 | uint64_t b_proc; /* PTR: Associated proc if B_PHYS set */ |
| 761 | uint64_t b_vp; /* PTR: File vnode */ |
| 762 | uint64_t b_saveaddr; /* PTR: Original b_addr for physio */ |
| 763 | uint64_t b_lblkno; /* DADDR_T: Logical block number */ |
| 764 | }; |
| 765 | |
| 766 | /* |
| 767 | * kern.file2 returns an array of these structures, which are designed |
| 768 | * both to be immune to be immune to 32/64 bit emulation issues and to |
| 769 | * provide backwards compatibility. The order differs slightly from |
| 770 | * that of the real struct file, and some fields are taken from other |
| 771 | * structures (struct vnode, struct proc) in order to make the file |
| 772 | * information more useful. |
| 773 | */ |
| 774 | struct kinfo_file { |
| 775 | uint64_t ki_fileaddr; /* PTR: address of struct file */ |
| 776 | uint32_t ki_flag; /* INT: flags (see fcntl.h) */ |
| 777 | uint32_t ki_iflags; /* INT: internal flags */ |
| 778 | uint32_t ki_ftype; /* INT: descriptor type */ |
| 779 | uint32_t ki_count; /* UINT: reference count */ |
| 780 | uint32_t ki_msgcount; /* UINT: references from msg queue */ |
| 781 | uint32_t ki_usecount; /* INT: number active users */ |
| 782 | uint64_t ki_fucred; /* PTR: creds for descriptor */ |
| 783 | uint32_t ki_fuid; /* UID_T: descriptor credentials */ |
| 784 | uint32_t ki_fgid; /* GID_T: descriptor credentials */ |
| 785 | uint64_t ki_fops; /* PTR: address of fileops */ |
| 786 | uint64_t ki_foffset; /* OFF_T: offset */ |
| 787 | uint64_t ki_fdata; /* PTR: descriptor data */ |
| 788 | |
| 789 | /* vnode information to glue this file to something */ |
| 790 | uint64_t ki_vun; /* PTR: socket, specinfo, etc */ |
| 791 | uint64_t ki_vsize; /* OFF_T: size of file */ |
| 792 | uint32_t ki_vtype; /* ENUM: vnode type */ |
| 793 | uint32_t ki_vtag; /* ENUM: type of underlying data */ |
| 794 | uint64_t ki_vdata; /* PTR: private data for fs */ |
| 795 | |
| 796 | /* process information when retrieved via KERN_FILE_BYPID */ |
| 797 | uint32_t ki_pid; /* PID_T: process id */ |
| 798 | int32_t ki_fd; /* INT: descriptor number */ |
| 799 | uint32_t ki_ofileflags; /* CHAR: open file flags */ |
| 800 | uint32_t _ki_padto64bits; |
| 801 | }; |
| 802 | |
| 803 | #define KERN_FILE_BYFILE 1 |
| 804 | #define KERN_FILE_BYPID 2 |
| 805 | #define KERN_FILESLOP 10 |
| 806 | |
| 807 | /* |
| 808 | * kern.evcnt returns an array of these structures, which are designed both to |
| 809 | * be immune to 32/64 bit emulation issues. Note that the struct here differs |
| 810 | * from the real struct evcnt but contains the same information in order to |
| 811 | * accommodate sysctl. |
| 812 | */ |
| 813 | struct evcnt_sysctl { |
| 814 | uint64_t ev_count; /* current count */ |
| 815 | uint64_t ev_addr; /* kernel address of evcnt */ |
| 816 | uint64_t ev_parent; /* kernel address of parent */ |
| 817 | uint8_t ev_type; /* EVCNT_TRAP_* */ |
| 818 | uint8_t ev_grouplen; /* length of group with NUL */ |
| 819 | uint8_t ev_namelen; /* length of name with NUL */ |
| 820 | uint8_t ev_len; /* multiply by 8 */ |
| 821 | /* |
| 822 | * Now the group and name strings follow (both include the trailing |
| 823 | * NUL). ev_name start at &ev_strings[ev_grouplen+1] |
| 824 | */ |
| 825 | char ev_strings[0]; |
| 826 | }; |
| 827 | |
| 828 | #define KERN_EVCNT_COUNT_ANY 0 |
| 829 | #define KERN_EVCNT_COUNT_NONZERO 1 |
| 830 | |
| 831 | /* |
| 832 | * CTL_VM identifiers in <uvm/uvm_param.h> |
| 833 | */ |
| 834 | |
| 835 | /* |
| 836 | * The vm.proc.map sysctl allows a process to dump the VM layout of |
| 837 | * another process as a series of entries. |
| 838 | */ |
| 839 | #define KVME_TYPE_NONE 0 |
| 840 | #define KVME_TYPE_OBJECT 1 |
| 841 | #define KVME_TYPE_VNODE 2 |
| 842 | #define KVME_TYPE_KERN 3 |
| 843 | #define KVME_TYPE_DEVICE 4 |
| 844 | #define KVME_TYPE_ANON 5 |
| 845 | #define KVME_TYPE_SUBMAP 6 |
| 846 | #define KVME_TYPE_UNKNOWN 255 |
| 847 | |
| 848 | #define KVME_PROT_READ 0x00000001 |
| 849 | #define KVME_PROT_WRITE 0x00000002 |
| 850 | #define KVME_PROT_EXEC 0x00000004 |
| 851 | |
| 852 | #define KVME_FLAG_COW 0x00000001 |
| 853 | #define KVME_FLAG_NEEDS_COPY 0x00000002 |
| 854 | #define KVME_FLAG_NOCOREDUMP 0x00000004 |
| 855 | #define KVME_FLAG_PAGEABLE 0x00000008 |
| 856 | #define KVME_FLAG_GROWS_UP 0x00000010 |
| 857 | #define KVME_FLAG_GROWS_DOWN 0x00000020 |
| 858 | |
| 859 | struct kinfo_vmentry { |
| 860 | uint64_t kve_start; /* Starting address. */ |
| 861 | uint64_t kve_end; /* Finishing address. */ |
| 862 | uint64_t kve_offset; /* Mapping offset in object */ |
| 863 | |
| 864 | uint32_t kve_type; /* Type of map entry. */ |
| 865 | uint32_t kve_flags; /* Flags on map entry. */ |
| 866 | |
| 867 | uint32_t kve_count; /* Number of pages/entries */ |
| 868 | uint32_t kve_wired_count; /* Number of wired pages */ |
| 869 | |
| 870 | uint32_t kve_advice; /* Advice */ |
| 871 | uint32_t kve_attributes; /* Map attribute */ |
| 872 | |
| 873 | uint32_t kve_protection; /* Protection bitmask. */ |
| 874 | uint32_t kve_max_protection; /* Max protection bitmask */ |
| 875 | |
| 876 | uint32_t kve_ref_count; /* VM obj ref count. */ |
| 877 | uint32_t kve_inheritance; /* Inheritance */ |
| 878 | |
| 879 | uint64_t kve_vn_fileid; /* inode number if vnode */ |
| 880 | uint64_t kve_vn_size; /* File size. */ |
| 881 | uint64_t kve_vn_fsid; /* dev_t of vnode location */ |
| 882 | uint64_t kve_vn_rdev; /* Device id if device. */ |
| 883 | |
| 884 | uint32_t kve_vn_type; /* Vnode type. */ |
| 885 | uint32_t kve_vn_mode; /* File mode. */ |
| 886 | |
| 887 | char kve_path[PATH_MAX]; /* Path to VM obj, if any. */ |
| 888 | }; |
| 889 | |
| 890 | /* |
| 891 | * CTL_HW identifiers |
| 892 | */ |
| 893 | #define HW_MACHINE 1 /* string: machine class */ |
| 894 | #define HW_MODEL 2 /* string: specific machine model */ |
| 895 | #define HW_NCPU 3 /* int: number of cpus */ |
| 896 | #define HW_BYTEORDER 4 /* int: machine byte order */ |
| 897 | #define HW_PHYSMEM 5 /* int: total memory (bytes) */ |
| 898 | #define HW_USERMEM 6 /* int: non-kernel memory (bytes) */ |
| 899 | #define HW_PAGESIZE 7 /* int: software page size */ |
| 900 | #define HW_DISKNAMES 8 /* string: disk drive names */ |
| 901 | #define HW_IOSTATS 9 /* struct: iostats[] */ |
| 902 | #define HW_MACHINE_ARCH 10 /* string: machine architecture */ |
| 903 | #define HW_ALIGNBYTES 11 /* int: ALIGNBYTES for the kernel */ |
| 904 | #define HW_CNMAGIC 12 /* string: console magic sequence(s) */ |
| 905 | #define HW_PHYSMEM64 13 /* quad: total memory (bytes) */ |
| 906 | #define HW_USERMEM64 14 /* quad: non-kernel memory (bytes) */ |
| 907 | #define HW_IOSTATNAMES 15 /* string: iostat names */ |
| 908 | #define HW_MAXID 15 /* number of valid hw ids */ |
| 909 | #define HW_NCPUONLINE 16 /* number CPUs online */ |
| 910 | |
| 911 | #define CTL_HW_NAMES { \ |
| 912 | { 0, 0 }, \ |
| 913 | { "machine", CTLTYPE_STRING }, \ |
| 914 | { "model", CTLTYPE_STRING }, \ |
| 915 | { "ncpu", CTLTYPE_INT }, \ |
| 916 | { "byteorder", CTLTYPE_INT }, \ |
| 917 | { "physmem", CTLTYPE_INT }, \ |
| 918 | { "usermem", CTLTYPE_INT }, \ |
| 919 | { "pagesize", CTLTYPE_INT }, \ |
| 920 | { "drivenames", CTLTYPE_STRING }, \ |
| 921 | { "drivestats", CTLTYPE_STRUCT }, \ |
| 922 | { "machine_arch", CTLTYPE_STRING }, \ |
| 923 | { "alignbytes", CTLTYPE_INT }, \ |
| 924 | { "cnmagic", CTLTYPE_STRING }, \ |
| 925 | { "physmem64", CTLTYPE_QUAD }, \ |
| 926 | { "usermem64", CTLTYPE_QUAD }, \ |
| 927 | { "ncpuonline", CTLTYPE_INT }, \ |
| 928 | } |
| 929 | |
| 930 | /* |
| 931 | * CTL_USER definitions |
| 932 | */ |
| 933 | #define USER_CS_PATH 1 /* string: _CS_PATH */ |
| 934 | #define USER_BC_BASE_MAX 2 /* int: BC_BASE_MAX */ |
| 935 | #define USER_BC_DIM_MAX 3 /* int: BC_DIM_MAX */ |
| 936 | #define USER_BC_SCALE_MAX 4 /* int: BC_SCALE_MAX */ |
| 937 | #define USER_BC_STRING_MAX 5 /* int: BC_STRING_MAX */ |
| 938 | #define USER_COLL_WEIGHTS_MAX 6 /* int: COLL_WEIGHTS_MAX */ |
| 939 | #define USER_EXPR_NEST_MAX 7 /* int: EXPR_NEST_MAX */ |
| 940 | #define USER_LINE_MAX 8 /* int: LINE_MAX */ |
| 941 | #define USER_RE_DUP_MAX 9 /* int: RE_DUP_MAX */ |
| 942 | #define USER_POSIX2_VERSION 10 /* int: POSIX2_VERSION */ |
| 943 | #define USER_POSIX2_C_BIND 11 /* int: POSIX2_C_BIND */ |
| 944 | #define USER_POSIX2_C_DEV 12 /* int: POSIX2_C_DEV */ |
| 945 | #define USER_POSIX2_CHAR_TERM 13 /* int: POSIX2_CHAR_TERM */ |
| 946 | #define USER_POSIX2_FORT_DEV 14 /* int: POSIX2_FORT_DEV */ |
| 947 | #define USER_POSIX2_FORT_RUN 15 /* int: POSIX2_FORT_RUN */ |
| 948 | #define USER_POSIX2_LOCALEDEF 16 /* int: POSIX2_LOCALEDEF */ |
| 949 | #define USER_POSIX2_SW_DEV 17 /* int: POSIX2_SW_DEV */ |
| 950 | #define USER_POSIX2_UPE 18 /* int: POSIX2_UPE */ |
| 951 | #define USER_STREAM_MAX 19 /* int: POSIX2_STREAM_MAX */ |
| 952 | #define USER_TZNAME_MAX 20 /* int: _POSIX_TZNAME_MAX */ |
| 953 | #define USER_ATEXIT_MAX 21 /* int: {ATEXIT_MAX} */ |
| 954 | #define USER_MAXID 22 /* number of valid user ids */ |
| 955 | |
| 956 | #define CTL_USER_NAMES { \ |
| 957 | { 0, 0 }, \ |
| 958 | { "cs_path", CTLTYPE_STRING }, \ |
| 959 | { "bc_base_max", CTLTYPE_INT }, \ |
| 960 | { "bc_dim_max", CTLTYPE_INT }, \ |
| 961 | { "bc_scale_max", CTLTYPE_INT }, \ |
| 962 | { "bc_string_max", CTLTYPE_INT }, \ |
| 963 | { "coll_weights_max", CTLTYPE_INT }, \ |
| 964 | { "expr_nest_max", CTLTYPE_INT }, \ |
| 965 | { "line_max", CTLTYPE_INT }, \ |
| 966 | { "re_dup_max", CTLTYPE_INT }, \ |
| 967 | { "posix2_version", CTLTYPE_INT }, \ |
| 968 | { "posix2_c_bind", CTLTYPE_INT }, \ |
| 969 | { "posix2_c_dev", CTLTYPE_INT }, \ |
| 970 | { "posix2_char_term", CTLTYPE_INT }, \ |
| 971 | { "posix2_fort_dev", CTLTYPE_INT }, \ |
| 972 | { "posix2_fort_run", CTLTYPE_INT }, \ |
| 973 | { "posix2_localedef", CTLTYPE_INT }, \ |
| 974 | { "posix2_sw_dev", CTLTYPE_INT }, \ |
| 975 | { "posix2_upe", CTLTYPE_INT }, \ |
| 976 | { "stream_max", CTLTYPE_INT }, \ |
| 977 | { "tzname_max", CTLTYPE_INT }, \ |
| 978 | { "atexit_max", CTLTYPE_INT }, \ |
| 979 | } |
| 980 | |
| 981 | /* |
| 982 | * CTL_DDB definitions |
| 983 | */ |
| 984 | #define DDBCTL_RADIX 1 /* int: Input and output radix */ |
| 985 | #define DDBCTL_MAXOFF 2 /* int: max symbol offset */ |
| 986 | #define DDBCTL_MAXWIDTH 3 /* int: width of the display line */ |
| 987 | #define DDBCTL_LINES 4 /* int: number of display lines */ |
| 988 | #define DDBCTL_TABSTOPS 5 /* int: tab width */ |
| 989 | #define DDBCTL_ONPANIC 6 /* int: DDB on panic if non-zero */ |
| 990 | #define DDBCTL_FROMCONSOLE 7 /* int: DDB via console if non-zero */ |
| 991 | #define DDBCTL_MAXID 8 /* number of valid DDB ids */ |
| 992 | |
| 993 | #define CTL_DDB_NAMES { \ |
| 994 | { 0, 0 }, \ |
| 995 | { "radix", CTLTYPE_INT }, \ |
| 996 | { "maxoff", CTLTYPE_INT }, \ |
| 997 | { "maxwidth", CTLTYPE_INT }, \ |
| 998 | { "lines", CTLTYPE_INT }, \ |
| 999 | { "tabstops", CTLTYPE_INT }, \ |
| 1000 | { "onpanic", CTLTYPE_INT }, \ |
| 1001 | { "fromconsole", CTLTYPE_INT }, \ |
| 1002 | } |
| 1003 | |
| 1004 | /* |
| 1005 | * CTL_DEBUG definitions |
| 1006 | * |
| 1007 | * Second level identifier specifies which debug variable. |
| 1008 | * Third level identifier specifies which structure component. |
| 1009 | */ |
| 1010 | #define CTL_DEBUG_NAME 0 /* string: variable name */ |
| 1011 | #define CTL_DEBUG_VALUE 1 /* int: variable value */ |
| 1012 | #define CTL_DEBUG_MAXID 20 |
| 1013 | |
| 1014 | /* |
| 1015 | * CTL_PROC subtype. Either a PID, or a magic value for the current proc. |
| 1016 | */ |
| 1017 | |
| 1018 | #define PROC_CURPROC (~((u_int)1 << 31)) |
| 1019 | |
| 1020 | /* |
| 1021 | * CTL_PROC tree: either corename (string), or a limit |
| 1022 | * (rlimit.<type>.{hard,soft}, int). |
| 1023 | */ |
| 1024 | #define PROC_PID_CORENAME 1 |
| 1025 | #define PROC_PID_LIMIT 2 |
| 1026 | #define PROC_PID_STOPFORK 3 |
| 1027 | #define PROC_PID_STOPEXEC 4 |
| 1028 | #define PROC_PID_STOPEXIT 5 |
| 1029 | #define PROC_PID_MAXID 6 |
| 1030 | |
| 1031 | #define PROC_PID_NAMES { \ |
| 1032 | { 0, 0 }, \ |
| 1033 | { "corename", CTLTYPE_STRING }, \ |
| 1034 | { "rlimit", CTLTYPE_NODE }, \ |
| 1035 | { "stopfork", CTLTYPE_INT }, \ |
| 1036 | { "stopexec", CTLTYPE_INT }, \ |
| 1037 | { "stopexit", CTLTYPE_INT }, \ |
| 1038 | } |
| 1039 | |
| 1040 | /* Limit types from <sys/resources.h> */ |
| 1041 | #define PROC_PID_LIMIT_CPU (RLIMIT_CPU+1) |
| 1042 | #define PROC_PID_LIMIT_FSIZE (RLIMIT_FSIZE+1) |
| 1043 | #define PROC_PID_LIMIT_DATA (RLIMIT_DATA+1) |
| 1044 | #define PROC_PID_LIMIT_STACK (RLIMIT_STACK+1) |
| 1045 | #define PROC_PID_LIMIT_CORE (RLIMIT_CORE+1) |
| 1046 | #define (RLIMIT_RSS+1) |
| 1047 | #define PROC_PID_LIMIT_MEMLOCK (RLIMIT_MEMLOCK+1) |
| 1048 | #define PROC_PID_LIMIT_NPROC (RLIMIT_NPROC+1) |
| 1049 | #define PROC_PID_LIMIT_NOFILE (RLIMIT_NOFILE+1) |
| 1050 | #define PROC_PID_LIMIT_SBSIZE (RLIMIT_SBSIZE+1) |
| 1051 | #define PROC_PID_LIMIT_AS (RLIMIT_AS+1) |
| 1052 | #define PROC_PID_LIMIT_NTHR (RLIMIT_NTHR+1) |
| 1053 | #define PROC_PID_LIMIT_MAXID (RLIM_NLIMITS+1) |
| 1054 | |
| 1055 | #define PROC_PID_LIMIT_NAMES { \ |
| 1056 | { 0, 0 }, \ |
| 1057 | { "cputime", CTLTYPE_NODE }, \ |
| 1058 | { "filesize", CTLTYPE_NODE }, \ |
| 1059 | { "datasize", CTLTYPE_NODE }, \ |
| 1060 | { "stacksize", CTLTYPE_NODE }, \ |
| 1061 | { "coredumpsize", CTLTYPE_NODE }, \ |
| 1062 | { "memoryuse", CTLTYPE_NODE }, \ |
| 1063 | { "memorylocked", CTLTYPE_NODE }, \ |
| 1064 | { "maxproc", CTLTYPE_NODE }, \ |
| 1065 | { "descriptors", CTLTYPE_NODE }, \ |
| 1066 | { "sbsize", CTLTYPE_NODE }, \ |
| 1067 | { "vmemoryuse", CTLTYPE_NODE }, \ |
| 1068 | { "maxlwp", CTLTYPE_NODE }, \ |
| 1069 | } |
| 1070 | /* for each type, either hard or soft value */ |
| 1071 | #define PROC_PID_LIMIT_TYPE_SOFT 1 |
| 1072 | #define PROC_PID_LIMIT_TYPE_HARD 2 |
| 1073 | #define PROC_PID_LIMIT_TYPE_MAXID 3 |
| 1074 | |
| 1075 | #define PROC_PID_LIMIT_TYPE_NAMES { \ |
| 1076 | {0, 0}, \ |
| 1077 | { "soft", CTLTYPE_QUAD }, \ |
| 1078 | { "hard", CTLTYPE_QUAD }, \ |
| 1079 | } |
| 1080 | |
| 1081 | /* |
| 1082 | * CTL_EMUL definitions |
| 1083 | * |
| 1084 | * Second level identifier specifies which emulation variable. |
| 1085 | * Subsequent levels are specified in the emulations themselves. |
| 1086 | */ |
| 1087 | #define EMUL_LINUX 1 |
| 1088 | #define EMUL_LINUX32 5 |
| 1089 | |
| 1090 | #define EMUL_MAXID 6 |
| 1091 | |
| 1092 | #ifdef _KERNEL |
| 1093 | |
| 1094 | #if defined(_KERNEL_OPT) |
| 1095 | #include "opt_sysctl.h" |
| 1096 | #endif |
| 1097 | |
| 1098 | /* Root node of the kernel sysctl tree */ |
| 1099 | extern struct sysctlnode sysctl_root; |
| 1100 | |
| 1101 | /* |
| 1102 | * A log of nodes created by a setup function or set of setup |
| 1103 | * functions so that they can be torn down in one "transaction" |
| 1104 | * when no longer needed. |
| 1105 | * |
| 1106 | * Users of the log merely pass a pointer to a pointer, and the sysctl |
| 1107 | * infrastructure takes care of the rest. |
| 1108 | */ |
| 1109 | struct sysctllog; |
| 1110 | |
| 1111 | /* |
| 1112 | * CTL_DEBUG variables. |
| 1113 | * |
| 1114 | * These are declared as separate variables so that they can be |
| 1115 | * individually initialized at the location of their associated |
| 1116 | * variable. The loader prevents multiple use by issuing errors |
| 1117 | * if a variable is initialized in more than one place. They are |
| 1118 | * aggregated into an array in debug_sysctl(), so that it can |
| 1119 | * conveniently locate them when queried. If more debugging |
| 1120 | * variables are added, they must also be declared here and also |
| 1121 | * entered into the array. |
| 1122 | * |
| 1123 | * Note that the debug subtree is largely obsolescent in terms of |
| 1124 | * functionality now that we have dynamic sysctl, but the |
| 1125 | * infrastructure is retained for backwards compatibility. |
| 1126 | */ |
| 1127 | struct ctldebug { |
| 1128 | const char *debugname; /* name of debugging variable */ |
| 1129 | int *debugvar; /* pointer to debugging variable */ |
| 1130 | }; |
| 1131 | #ifdef DEBUG |
| 1132 | extern struct ctldebug debug0, debug1, debug2, debug3, debug4; |
| 1133 | extern struct ctldebug debug5, debug6, debug7, debug8, debug9; |
| 1134 | extern struct ctldebug debug10, debug11, debug12, debug13, debug14; |
| 1135 | extern struct ctldebug debug15, debug16, debug17, debug18, debug19; |
| 1136 | #endif /* DEBUG */ |
| 1137 | |
| 1138 | #define SYSCTLFN_PROTO const int *, u_int, void *, \ |
| 1139 | size_t *, const void *, size_t, \ |
| 1140 | const int *, struct lwp *, const struct sysctlnode * |
| 1141 | #define SYSCTLFN_ARGS const int *name, u_int namelen, \ |
| 1142 | void *oldp, size_t *oldlenp, \ |
| 1143 | const void *newp, size_t newlen, \ |
| 1144 | const int *oname, struct lwp *l, \ |
| 1145 | const struct sysctlnode *rnode |
| 1146 | #define SYSCTLFN_CALL(node) name, namelen, oldp, \ |
| 1147 | oldlenp, newp, newlen, \ |
| 1148 | oname, l, node |
| 1149 | |
| 1150 | #ifdef RUMP_USE_CTOR |
| 1151 | #include <sys/kernel.h> |
| 1152 | |
| 1153 | struct sysctl_setup_chain { |
| 1154 | void (*ssc_func)(struct sysctllog **); |
| 1155 | LIST_ENTRY(sysctl_setup_chain) ssc_entries; |
| 1156 | }; |
| 1157 | LIST_HEAD(sysctl_boot_chain, sysctl_setup_chain); |
| 1158 | #define _SYSCTL_REGISTER(name) \ |
| 1159 | static struct sysctl_setup_chain __CONCAT(ssc,name) = { \ |
| 1160 | .ssc_func = name, \ |
| 1161 | }; \ |
| 1162 | static void sysctlctor_##name(void) __attribute__((constructor)); \ |
| 1163 | static void sysctlctor_##name(void) \ |
| 1164 | { \ |
| 1165 | struct sysctl_setup_chain *ssc = &__CONCAT(ssc,name); \ |
| 1166 | extern struct sysctl_boot_chain sysctl_boot_chain; \ |
| 1167 | if (cold) { \ |
| 1168 | LIST_INSERT_HEAD(&sysctl_boot_chain, ssc, ssc_entries); \ |
| 1169 | } \ |
| 1170 | } \ |
| 1171 | static void sysctldtor_##name(void) __attribute__((destructor)); \ |
| 1172 | static void sysctldtor_##name(void) \ |
| 1173 | { \ |
| 1174 | struct sysctl_setup_chain *ssc = &__CONCAT(ssc,name); \ |
| 1175 | if (cold) { \ |
| 1176 | LIST_REMOVE(ssc, ssc_entries); \ |
| 1177 | } \ |
| 1178 | } |
| 1179 | |
| 1180 | #else /* RUMP_USE_CTOR */ |
| 1181 | |
| 1182 | #define _SYSCTL_REGISTER(name) __link_set_add_text(sysctl_funcs, name); |
| 1183 | |
| 1184 | #endif /* RUMP_USE_CTOR */ |
| 1185 | |
| 1186 | #ifdef _MODULE |
| 1187 | |
| 1188 | #define SYSCTL_SETUP_PROTO(name) \ |
| 1189 | void name(struct sysctllog **) |
| 1190 | #ifdef SYSCTL_DEBUG_SETUP |
| 1191 | #define SYSCTL_SETUP(name, desc) \ |
| 1192 | SYSCTL_SETUP_PROTO(name); \ |
| 1193 | static void __CONCAT(___,name)(struct sysctllog **); \ |
| 1194 | void name(struct sysctllog **clog) { \ |
| 1195 | printf("%s\n", desc); \ |
| 1196 | __CONCAT(___,name)(clog); } \ |
| 1197 | _SYSCTL_REGISTER(name); \ |
| 1198 | static void __CONCAT(___,name)(struct sysctllog **clog) |
| 1199 | #else /* !SYSCTL_DEBUG_SETUP */ |
| 1200 | #define SYSCTL_SETUP(name, desc) \ |
| 1201 | SYSCTL_SETUP_PROTO(name); \ |
| 1202 | _SYSCTL_REGISTER(name); \ |
| 1203 | void name(struct sysctllog **clog) |
| 1204 | #endif /* !SYSCTL_DEBUG_SETUP */ |
| 1205 | |
| 1206 | #else /* !_MODULE */ |
| 1207 | |
| 1208 | #define SYSCTL_SETUP_PROTO(name) |
| 1209 | #ifdef SYSCTL_DEBUG_SETUP |
| 1210 | #define SYSCTL_SETUP(name, desc) \ |
| 1211 | static void __CONCAT(___,name)(struct sysctllog **); \ |
| 1212 | static void name(struct sysctllog **clog) { \ |
| 1213 | printf("%s\n", desc); \ |
| 1214 | __CONCAT(___,name)(clog); } \ |
| 1215 | _SYSCTL_REGISTER(name); \ |
| 1216 | static void __CONCAT(___,name)(struct sysctllog **clog) |
| 1217 | #else /* !SYSCTL_DEBUG_SETUP */ |
| 1218 | #define SYSCTL_SETUP(name, desc) \ |
| 1219 | static void name(struct sysctllog **); \ |
| 1220 | _SYSCTL_REGISTER(name); \ |
| 1221 | static void name(struct sysctllog **clog) |
| 1222 | #endif /* !SYSCTL_DEBUG_SETUP */ |
| 1223 | |
| 1224 | #endif /* !_MODULE */ |
| 1225 | |
| 1226 | /* |
| 1227 | * Internal sysctl function calling convention: |
| 1228 | * |
| 1229 | * (*sysctlfn)(name, namelen, oldval, oldlenp, newval, newlen, |
| 1230 | * origname, lwp, node); |
| 1231 | * |
| 1232 | * The name parameter points at the next component of the name to be |
| 1233 | * interpreted. The namelen parameter is the number of integers in |
| 1234 | * the name. The origname parameter points to the start of the name |
| 1235 | * being parsed. The node parameter points to the node on which the |
| 1236 | * current operation is to be performed. |
| 1237 | */ |
| 1238 | typedef int (*sysctlfn)(SYSCTLFN_PROTO); |
| 1239 | |
| 1240 | /* |
| 1241 | * used in more than just sysctl |
| 1242 | */ |
| 1243 | void fill_eproc(struct proc *, struct eproc *, bool); |
| 1244 | void fill_kproc2(struct proc *, struct kinfo_proc2 *, bool); |
| 1245 | |
| 1246 | /* |
| 1247 | * subsystem setup |
| 1248 | */ |
| 1249 | void sysctl_init(void); |
| 1250 | void sysctl_basenode_init(void); |
| 1251 | void sysctl_finalize(void); |
| 1252 | |
| 1253 | /* |
| 1254 | * typical syscall call order |
| 1255 | */ |
| 1256 | void sysctl_lock(bool); |
| 1257 | int sysctl_dispatch(SYSCTLFN_PROTO); |
| 1258 | void sysctl_unlock(void); |
| 1259 | void sysctl_relock(void); |
| 1260 | |
| 1261 | /* |
| 1262 | * tree navigation primitives (must obtain lock before using these) |
| 1263 | */ |
| 1264 | int sysctl_locate(struct lwp *, const int *, u_int, |
| 1265 | const struct sysctlnode **, int *); |
| 1266 | int sysctl_query(SYSCTLFN_PROTO); |
| 1267 | int sysctl_create(SYSCTLFN_PROTO); |
| 1268 | int sysctl_destroy(SYSCTLFN_PROTO); |
| 1269 | int sysctl_lookup(SYSCTLFN_PROTO); |
| 1270 | int sysctl_describe(SYSCTLFN_PROTO); |
| 1271 | |
| 1272 | /* |
| 1273 | * simple variadic interface for adding/removing nodes |
| 1274 | */ |
| 1275 | int sysctl_createv(struct sysctllog **, int, |
| 1276 | const struct sysctlnode **, const struct sysctlnode **, |
| 1277 | int, int, const char *, const char *, |
| 1278 | sysctlfn, u_quad_t, void *, size_t, ...); |
| 1279 | int sysctl_destroyv(struct sysctlnode *, ...); |
| 1280 | |
| 1281 | #define VERIFY_FN(ctl_type, c_type) \ |
| 1282 | __always_inline static __inline void * \ |
| 1283 | __sysctl_verify_##ctl_type##_arg(c_type *arg) \ |
| 1284 | { \ |
| 1285 | return arg; \ |
| 1286 | } |
| 1287 | |
| 1288 | VERIFY_FN(CTLTYPE_NODE, struct sysctlnode); |
| 1289 | VERIFY_FN(CTLTYPE_INT, int); |
| 1290 | VERIFY_FN(CTLTYPE_STRING, char); |
| 1291 | VERIFY_FN(CTLTYPE_QUAD, int64_t); |
| 1292 | VERIFY_FN(CTLTYPE_STRUCT, void); |
| 1293 | VERIFY_FN(CTLTYPE_BOOL, bool); |
| 1294 | VERIFY_FN(CTLTYPE_LONG, long); |
| 1295 | #undef VERIFY_FN |
| 1296 | |
| 1297 | #define sysctl_createv(lg, cfl, rn, cn, fl, type, nm, desc, fn, qv, newp, ...) \ |
| 1298 | sysctl_createv(lg, cfl, rn, cn, fl, type, nm, desc, fn, qv, \ |
| 1299 | __sysctl_verify_##type##_arg(newp), __VA_ARGS__) |
| 1300 | |
| 1301 | /* |
| 1302 | * miscellany |
| 1303 | */ |
| 1304 | void sysctl_dump(const struct sysctlnode *); |
| 1305 | void sysctl_free(struct sysctlnode *); |
| 1306 | void sysctl_teardown(struct sysctllog **); |
| 1307 | void sysctl_log_print(const struct sysctllog *); |
| 1308 | |
| 1309 | #ifdef SYSCTL_INCLUDE_DESCR |
| 1310 | #define SYSCTL_DESCR(s) s |
| 1311 | #else /* SYSCTL_INCLUDE_DESCR */ |
| 1312 | #define SYSCTL_DESCR(s) NULL |
| 1313 | #endif /* SYSCTL_INCLUDE_DESCR */ |
| 1314 | |
| 1315 | /* |
| 1316 | * simple interface similar to old interface for in-kernel consumption |
| 1317 | */ |
| 1318 | int old_sysctl(int *, u_int, void *, size_t *, void *, size_t, struct lwp *); |
| 1319 | |
| 1320 | /* |
| 1321 | * these helpers are in other files (XXX so should the nodes be) or |
| 1322 | * are used by more than one node |
| 1323 | */ |
| 1324 | int sysctl_hw_tapenames(SYSCTLFN_PROTO); |
| 1325 | int sysctl_hw_tapestats(SYSCTLFN_PROTO); |
| 1326 | int sysctl_kern_vnode(SYSCTLFN_PROTO); |
| 1327 | int sysctl_net_inet_ip_ports(SYSCTLFN_PROTO); |
| 1328 | int sysctl_consdev(SYSCTLFN_PROTO); |
| 1329 | int sysctl_root_device(SYSCTLFN_PROTO); |
| 1330 | int sysctl_vfs_generic_fstypes(SYSCTLFN_PROTO); |
| 1331 | |
| 1332 | /* |
| 1333 | * primitive helper stubs |
| 1334 | */ |
| 1335 | int sysctl_needfunc(SYSCTLFN_PROTO); |
| 1336 | int sysctl_notavail(SYSCTLFN_PROTO); |
| 1337 | int sysctl_null(SYSCTLFN_PROTO); |
| 1338 | |
| 1339 | int sysctl_copyin(struct lwp *, const void *, void *, size_t); |
| 1340 | int sysctl_copyout(struct lwp *, const void *, void *, size_t); |
| 1341 | int sysctl_copyinstr(struct lwp *, const void *, void *, size_t, size_t *); |
| 1342 | |
| 1343 | u_int sysctl_map_flags(const u_int *, u_int); |
| 1344 | |
| 1345 | MALLOC_DECLARE(M_SYSCTLNODE); |
| 1346 | MALLOC_DECLARE(M_SYSCTLDATA); |
| 1347 | |
| 1348 | extern const u_int sysctl_lwpflagmap[]; |
| 1349 | |
| 1350 | #else /* !_KERNEL */ |
| 1351 | #include <sys/cdefs.h> |
| 1352 | |
| 1353 | typedef void *sysctlfn; |
| 1354 | |
| 1355 | __BEGIN_DECLS |
| 1356 | int sysctl(const int *, u_int, void *, size_t *, const void *, size_t); |
| 1357 | int sysctlbyname(const char *, void *, size_t *, const void *, size_t); |
| 1358 | int sysctlgetmibinfo(const char *, int *, u_int *, |
| 1359 | char *, size_t *, struct sysctlnode **, int); |
| 1360 | int sysctlnametomib(const char *, int *, size_t *); |
| 1361 | int proc_compare(const struct kinfo_proc2 *, const struct kinfo_lwp *, |
| 1362 | const struct kinfo_proc2 *, const struct kinfo_lwp *); |
| 1363 | void *asysctl(const int *, size_t, size_t *); |
| 1364 | void *asysctlbyname(const char *, size_t *); |
| 1365 | __END_DECLS |
| 1366 | |
| 1367 | #endif /* !_KERNEL */ |
| 1368 | |
| 1369 | #ifdef __COMPAT_SYSCTL |
| 1370 | /* |
| 1371 | * old node definitions go here |
| 1372 | */ |
| 1373 | #endif /* __COMPAT_SYSCTL */ |
| 1374 | |
| 1375 | /* |
| 1376 | * padding makes alignment magically "work" for 32/64 compatibility at |
| 1377 | * the expense of making things bigger on 32 bit platforms. |
| 1378 | */ |
| 1379 | #if defined(_LP64) || (BYTE_ORDER == LITTLE_ENDIAN) |
| 1380 | #define __sysc_pad(type) union { uint64_t __sysc_upad; \ |
| 1381 | struct { type __sysc_sdatum; } __sysc_ustr; } |
| 1382 | #else |
| 1383 | #define __sysc_pad(type) union { uint64_t __sysc_upad; \ |
| 1384 | struct { uint32_t __sysc_spad; type __sysc_sdatum; } __sysc_ustr; } |
| 1385 | #endif |
| 1386 | #define __sysc_unpad(x) x.__sysc_ustr.__sysc_sdatum |
| 1387 | |
| 1388 | /* |
| 1389 | * The following is for gcc2, which doesn't handle __sysc_unpad(). |
| 1390 | * The code gets a little less ugly this way. |
| 1391 | */ |
| 1392 | #define sysc_init_field(field, value) \ |
| 1393 | .field = { .__sysc_ustr = { .__sysc_sdatum = (value), }, } |
| 1394 | |
| 1395 | struct sysctlnode { |
| 1396 | uint32_t sysctl_flags; /* flags and type */ |
| 1397 | int32_t sysctl_num; /* mib number */ |
| 1398 | char sysctl_name[SYSCTL_NAMELEN]; /* node name */ |
| 1399 | uint32_t sysctl_ver; /* node's version vs. rest of tree */ |
| 1400 | uint32_t __rsvd; |
| 1401 | union { |
| 1402 | struct { |
| 1403 | uint32_t suc_csize; /* size of child node array */ |
| 1404 | uint32_t suc_clen; /* number of valid children */ |
| 1405 | __sysc_pad(struct sysctlnode*) _suc_child; /* array of child nodes */ |
| 1406 | } scu_child; |
| 1407 | struct { |
| 1408 | __sysc_pad(void*) _sud_data; /* pointer to external data */ |
| 1409 | __sysc_pad(size_t) _sud_offset; /* offset to data */ |
| 1410 | } scu_data; |
| 1411 | int32_t scu_alias; /* node this node refers to */ |
| 1412 | int32_t scu_idata; /* immediate "int" data */ |
| 1413 | u_quad_t scu_qdata; /* immediate "u_quad_t" data */ |
| 1414 | bool scu_bdata; /* immediate bool data */ |
| 1415 | } sysctl_un; |
| 1416 | __sysc_pad(size_t) _sysctl_size; /* size of instrumented data */ |
| 1417 | __sysc_pad(sysctlfn) _sysctl_func; /* access helper function */ |
| 1418 | __sysc_pad(struct sysctlnode*) _sysctl_parent; /* parent of this node */ |
| 1419 | __sysc_pad(const char *) _sysctl_desc; /* description of node */ |
| 1420 | }; |
| 1421 | |
| 1422 | /* |
| 1423 | * padded data |
| 1424 | */ |
| 1425 | #define suc_child __sysc_unpad(_suc_child) |
| 1426 | #define sud_data __sysc_unpad(_sud_data) |
| 1427 | #define sud_offset __sysc_unpad(_sud_offset) |
| 1428 | #define sysctl_size __sysc_unpad(_sysctl_size) |
| 1429 | #define sysctl_func __sysc_unpad(_sysctl_func) |
| 1430 | #define sysctl_parent __sysc_unpad(_sysctl_parent) |
| 1431 | #define sysctl_desc __sysc_unpad(_sysctl_desc) |
| 1432 | |
| 1433 | /* |
| 1434 | * nested data (may also be padded) |
| 1435 | */ |
| 1436 | #define sysctl_csize sysctl_un.scu_child.suc_csize |
| 1437 | #define sysctl_clen sysctl_un.scu_child.suc_clen |
| 1438 | #define sysctl_child sysctl_un.scu_child.suc_child |
| 1439 | #define sysctl_data sysctl_un.scu_data.sud_data |
| 1440 | #define sysctl_offset sysctl_un.scu_data.sud_offset |
| 1441 | #define sysctl_alias sysctl_un.scu_alias |
| 1442 | #define sysctl_idata sysctl_un.scu_idata |
| 1443 | #define sysctl_qdata sysctl_un.scu_qdata |
| 1444 | #define sysctl_bdata sysctl_un.scu_bdata |
| 1445 | |
| 1446 | /* |
| 1447 | * when requesting a description of a node (a set of nodes, actually), |
| 1448 | * you get back an "array" of these, where the actual length of the |
| 1449 | * descr_str is noted in descr_len (which includes the trailing nul |
| 1450 | * byte), rounded up to the nearest four (sizeof(int32_t) actually). |
| 1451 | * |
| 1452 | * NEXT_DESCR() will take a pointer to a description and advance it to |
| 1453 | * the next description. |
| 1454 | */ |
| 1455 | struct sysctldesc { |
| 1456 | int32_t descr_num; /* mib number of node */ |
| 1457 | uint32_t descr_ver; /* version of node */ |
| 1458 | uint32_t descr_len; /* length of description string */ |
| 1459 | char descr_str[1]; /* not really 1...see above */ |
| 1460 | }; |
| 1461 | |
| 1462 | #define __sysc_desc_roundup(x) ((((x) - 1) | (sizeof(int32_t) - 1)) + 1) |
| 1463 | #define __sysc_desc_adv(d, l) \ |
| 1464 | (/*XXXUNCONST ptr cast*/(struct sysctldesc *) \ |
| 1465 | __UNCONST(((const char*)(d)) + offsetof(struct sysctldesc, descr_str) +\ |
| 1466 | __sysc_desc_roundup(l))) |
| 1467 | #define NEXT_DESCR(d) __sysc_desc_adv((d), (d)->descr_len) |
| 1468 | |
| 1469 | static __inline const struct sysctlnode * |
| 1470 | sysctl_rootof(const struct sysctlnode *n) |
| 1471 | { |
| 1472 | while (n->sysctl_parent != NULL) |
| 1473 | n = n->sysctl_parent; |
| 1474 | return (n); |
| 1475 | } |
| 1476 | |
| 1477 | #endif /* !_SYS_SYSCTL_H_ */ |
| 1478 | |