1 /*- 2 * Copyright (c) 1982, 1986, 1989, 1991, 1993 3 * The Regents of the University of California. 4 * Copyright (c) 2007 Robert N. M. Watson 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 4. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * @(#)user.h 8.2 (Berkeley) 9/23/93 32 * $FreeBSD$ 33 */ 34 35 #ifndef _SYS_USER_H_ 36 #define _SYS_USER_H_ 37 38 #include <machine/pcb.h> 39 #ifndef _KERNEL 40 /* stuff that *used* to be included by user.h, or is now needed */ 41 #include <sys/errno.h> 42 #include <sys/time.h> 43 #include <sys/resource.h> 44 #include <sys/ucred.h> 45 #include <sys/uio.h> 46 #include <sys/queue.h> 47 #include <sys/_lock.h> 48 #include <sys/_mutex.h> 49 #include <sys/proc.h> 50 #include <vm/vm.h> /* XXX */ 51 #include <vm/vm_param.h> /* XXX */ 52 #include <vm/pmap.h> /* XXX */ 53 #include <vm/vm_map.h> /* XXX */ 54 #endif /* !_KERNEL */ 55 #ifndef _SYS_RESOURCEVAR_H_ 56 #include <sys/resourcevar.h> 57 #endif 58 #ifndef _SYS_SIGNALVAR_H_ 59 #include <sys/signalvar.h> 60 #endif 61 #ifndef _SYS_SOCKET_VAR_H_ 62 #include <sys/socket.h> 63 #endif 64 65 /* 66 * KERN_PROC subtype ops return arrays of selected proc structure entries: 67 * 68 * This struct includes several arrays of spare space, with different arrays 69 * for different standard C-types. When adding new variables to this struct, 70 * the space for byte-aligned data should be taken from the ki_sparestring, 71 * pointers from ki_spareptrs, word-aligned data from ki_spareints, and 72 * doubleword-aligned data from ki_sparelongs. Make sure the space for new 73 * variables come from the array which matches the size and alignment of 74 * those variables on ALL hardware platforms, and then adjust the appropriate 75 * KI_NSPARE_* value(s) to match. 76 * 77 * Always verify that sizeof(struct kinfo_proc) == KINFO_PROC_SIZE on all 78 * platforms after you have added new variables. Note that if you change 79 * the value of KINFO_PROC_SIZE, then many userland programs will stop 80 * working until they are recompiled! 81 * 82 * Once you have added the new field, you will need to add code to initialize 83 * it in two places: function fill_kinfo_proc in sys/kern/kern_proc.c and 84 * function kvm_proclist in lib/libkvm/kvm_proc.c . 85 */ 86 #define KI_NSPARE_INT 9 87 #define KI_NSPARE_LONG 12 88 #define KI_NSPARE_PTR 6 89 90 #ifndef _KERNEL 91 #ifndef KINFO_PROC_SIZE 92 #error "Unknown architecture" 93 #endif 94 #endif /* !_KERNEL */ 95 96 #define WMESGLEN 8 /* size of returned wchan message */ 97 #define LOCKNAMELEN 8 /* size of returned lock name */ 98 #define OCOMMLEN 16 /* size of returned thread name */ 99 #define COMMLEN 19 /* size of returned ki_comm name */ 100 #define KI_EMULNAMELEN 16 /* size of returned ki_emul */ 101 #define KI_NGROUPS 16 /* number of groups in ki_groups */ 102 #define LOGNAMELEN 17 /* size of returned ki_login */ 103 #define LOGINCLASSLEN 17 /* size of returned ki_loginclass */ 104 105 /* Flags for the process credential. */ 106 #define KI_CRF_CAPABILITY_MODE 0x00000001 107 /* 108 * Steal a bit from ki_cr_flags to indicate that the cred had more than 109 * KI_NGROUPS groups. 110 */ 111 #define KI_CRF_GRP_OVERFLOW 0x80000000 112 113 struct kinfo_proc { 114 int ki_structsize; /* size of this structure */ 115 int ki_layout; /* reserved: layout identifier */ 116 struct pargs *ki_args; /* address of command arguments */ 117 struct proc *ki_paddr; /* address of proc */ 118 struct user *ki_addr; /* kernel virtual addr of u-area */ 119 struct vnode *ki_tracep; /* pointer to trace file */ 120 struct vnode *ki_textvp; /* pointer to executable file */ 121 struct filedesc *ki_fd; /* pointer to open file info */ 122 struct vmspace *ki_vmspace; /* pointer to kernel vmspace struct */ 123 void *ki_wchan; /* sleep address */ 124 pid_t ki_pid; /* Process identifier */ 125 pid_t ki_ppid; /* parent process id */ 126 pid_t ki_pgid; /* process group id */ 127 pid_t ki_tpgid; /* tty process group id */ 128 pid_t ki_sid; /* Process session ID */ 129 pid_t ki_tsid; /* Terminal session ID */ 130 short ki_jobc; /* job control counter */ 131 short ki_spare_short1; /* unused (just here for alignment) */ 132 dev_t ki_tdev; /* controlling tty dev */ 133 sigset_t ki_siglist; /* Signals arrived but not delivered */ 134 sigset_t ki_sigmask; /* Current signal mask */ 135 sigset_t ki_sigignore; /* Signals being ignored */ 136 sigset_t ki_sigcatch; /* Signals being caught by user */ 137 uid_t ki_uid; /* effective user id */ 138 uid_t ki_ruid; /* Real user id */ 139 uid_t ki_svuid; /* Saved effective user id */ 140 gid_t ki_rgid; /* Real group id */ 141 gid_t ki_svgid; /* Saved effective group id */ 142 short ki_ngroups; /* number of groups */ 143 short ki_spare_short2; /* unused (just here for alignment) */ 144 gid_t ki_groups[KI_NGROUPS]; /* groups */ 145 vm_size_t ki_size; /* virtual size */ 146 segsz_t ki_rssize; /* current resident set size in pages */ 147 segsz_t ki_swrss; /* resident set size before last swap */ 148 segsz_t ki_tsize; /* text size (pages) XXX */ 149 segsz_t ki_dsize; /* data size (pages) XXX */ 150 segsz_t ki_ssize; /* stack size (pages) */ 151 u_short ki_xstat; /* Exit status for wait & stop signal */ 152 u_short ki_acflag; /* Accounting flags */ 153 fixpt_t ki_pctcpu; /* %cpu for process during ki_swtime */ 154 u_int ki_estcpu; /* Time averaged value of ki_cpticks */ 155 u_int ki_slptime; /* Time since last blocked */ 156 u_int ki_swtime; /* Time swapped in or out */ 157 int ki_spareint1; /* unused (just here for alignment) */ 158 u_int64_t ki_runtime; /* Real time in microsec */ 159 struct timeval ki_start; /* starting time */ 160 struct timeval ki_childtime; /* time used by process children */ 161 long ki_flag; /* P_* flags */ 162 long ki_kiflag; /* KI_* flags (below) */ 163 int ki_traceflag; /* Kernel trace points */ 164 char ki_stat; /* S* process status */ 165 signed char ki_nice; /* Process "nice" value */ 166 char ki_lock; /* Process lock (prevent swap) count */ 167 char ki_rqindex; /* Run queue index */ 168 u_char ki_oncpu; /* Which cpu we are on */ 169 u_char ki_lastcpu; /* Last cpu we were on */ 170 char ki_ocomm[OCOMMLEN+1]; /* thread name */ 171 char ki_wmesg[WMESGLEN+1]; /* wchan message */ 172 char ki_login[LOGNAMELEN+1]; /* setlogin name */ 173 char ki_lockname[LOCKNAMELEN+1]; /* lock name */ 174 char ki_comm[COMMLEN+1]; /* command name */ 175 char ki_emul[KI_EMULNAMELEN+1]; /* emulation name */ 176 char ki_loginclass[LOGINCLASSLEN+1]; /* login class */ 177 /* 178 * When adding new variables, take space for char-strings from the 179 * front of ki_sparestrings, and ints from the end of ki_spareints. 180 * That way the spare room from both arrays will remain contiguous. 181 */ 182 char ki_sparestrings[50]; /* spare string space */ 183 int ki_spareints[KI_NSPARE_INT]; /* spare room for growth */ 184 u_int ki_cr_flags; /* Credential flags */ 185 int ki_jid; /* Process jail ID */ 186 int ki_numthreads; /* XXXKSE number of threads in total */ 187 lwpid_t ki_tid; /* XXXKSE thread id */ 188 struct priority ki_pri; /* process priority */ 189 struct rusage ki_rusage; /* process rusage statistics */ 190 /* XXX - most fields in ki_rusage_ch are not (yet) filled in */ 191 struct rusage ki_rusage_ch; /* rusage of children processes */ 192 struct pcb *ki_pcb; /* kernel virtual addr of pcb */ 193 void *ki_kstack; /* kernel virtual addr of stack */ 194 void *ki_udata; /* User convenience pointer */ 195 struct thread *ki_tdaddr; /* address of thread */ 196 /* 197 * When adding new variables, take space for pointers from the 198 * front of ki_spareptrs, and longs from the end of ki_sparelongs. 199 * That way the spare room from both arrays will remain contiguous. 200 */ 201 void *ki_spareptrs[KI_NSPARE_PTR]; /* spare room for growth */ 202 long ki_sparelongs[KI_NSPARE_LONG]; /* spare room for growth */ 203 long ki_sflag; /* PS_* flags */ 204 long ki_tdflags; /* XXXKSE kthread flag */ 205 }; 206 void fill_kinfo_proc(struct proc *, struct kinfo_proc *); 207 /* XXX - the following two defines are temporary */ 208 #define ki_childstime ki_rusage_ch.ru_stime 209 #define ki_childutime ki_rusage_ch.ru_utime 210 211 /* 212 * Legacy PS_ flag. This moved to p_flag but is maintained for 213 * compatibility. 214 */ 215 #define PS_INMEM 0x00001 /* Loaded into memory. */ 216 217 /* ki_sessflag values */ 218 #define KI_CTTY 0x00000001 /* controlling tty vnode active */ 219 #define KI_SLEADER 0x00000002 /* session leader */ 220 #define KI_LOCKBLOCK 0x00000004 /* proc blocked on lock ki_lockname */ 221 222 /* 223 * This used to be the per-process structure containing data that 224 * isn't needed in core when the process is swapped out, but now it 225 * remains only for the benefit of a.out core dumps. 226 */ 227 struct user { 228 struct pstats u_stats; /* *p_stats */ 229 struct kinfo_proc u_kproc; /* eproc */ 230 }; 231 232 /* 233 * The KERN_PROC_FILE sysctl allows a process to dump the file descriptor 234 * array of another process. 235 */ 236 #define KF_ATTR_VALID 0x0001 237 238 #define KF_TYPE_NONE 0 239 #define KF_TYPE_VNODE 1 240 #define KF_TYPE_SOCKET 2 241 #define KF_TYPE_PIPE 3 242 #define KF_TYPE_FIFO 4 243 #define KF_TYPE_KQUEUE 5 244 #define KF_TYPE_CRYPTO 6 245 #define KF_TYPE_MQUEUE 7 246 #define KF_TYPE_SHM 8 247 #define KF_TYPE_SEM 9 248 #define KF_TYPE_PTS 10 249 #define KF_TYPE_UNKNOWN 255 250 251 #define KF_VTYPE_VNON 0 252 #define KF_VTYPE_VREG 1 253 #define KF_VTYPE_VDIR 2 254 #define KF_VTYPE_VBLK 3 255 #define KF_VTYPE_VCHR 4 256 #define KF_VTYPE_VLNK 5 257 #define KF_VTYPE_VSOCK 6 258 #define KF_VTYPE_VFIFO 7 259 #define KF_VTYPE_VBAD 8 260 #define KF_VTYPE_UNKNOWN 255 261 262 #define KF_FD_TYPE_CWD -1 /* Current working directory */ 263 #define KF_FD_TYPE_ROOT -2 /* Root directory */ 264 #define KF_FD_TYPE_JAIL -3 /* Jail directory */ 265 #define KF_FD_TYPE_TRACE -4 /* ptrace vnode */ 266 #define KF_FD_TYPE_TEXT -5 /* Text vnode */ 267 #define KF_FD_TYPE_CTTY -6 /* Controlling terminal */ 268 269 #define KF_FLAG_READ 0x00000001 270 #define KF_FLAG_WRITE 0x00000002 271 #define KF_FLAG_APPEND 0x00000004 272 #define KF_FLAG_ASYNC 0x00000008 273 #define KF_FLAG_FSYNC 0x00000010 274 #define KF_FLAG_NONBLOCK 0x00000020 275 #define KF_FLAG_DIRECT 0x00000040 276 #define KF_FLAG_HASLOCK 0x00000080 277 #define KF_FLAG_SHLOCK 0x00000100 278 #define KF_FLAG_EXLOCK 0x00000200 279 #define KF_FLAG_NOFOLLOW 0x00000400 280 #define KF_FLAG_CREAT 0x00000800 281 #define KF_FLAG_TRUNC 0x00001000 282 #define KF_FLAG_EXCL 0x00002000 283 #define KF_FLAG_EXEC 0x00004000 284 285 /* 286 * Old format. Has variable hidden padding due to alignment. 287 * This is a compatability hack for pre-build 7.1 packages. 288 */ 289 #if defined(__amd64__) 290 #define KINFO_OFILE_SIZE 1328 291 #endif 292 #if defined(__i386__) 293 #define KINFO_OFILE_SIZE 1324 294 #endif 295 296 struct kinfo_ofile { 297 int kf_structsize; /* Size of kinfo_file. */ 298 int kf_type; /* Descriptor type. */ 299 int kf_fd; /* Array index. */ 300 int kf_ref_count; /* Reference count. */ 301 int kf_flags; /* Flags. */ 302 /* XXX Hidden alignment padding here on amd64 */ 303 off_t kf_offset; /* Seek location. */ 304 int kf_vnode_type; /* Vnode type. */ 305 int kf_sock_domain; /* Socket domain. */ 306 int kf_sock_type; /* Socket type. */ 307 int kf_sock_protocol; /* Socket protocol. */ 308 char kf_path[PATH_MAX]; /* Path to file, if any. */ 309 struct sockaddr_storage kf_sa_local; /* Socket address. */ 310 struct sockaddr_storage kf_sa_peer; /* Peer address. */ 311 }; 312 313 #if defined(__amd64__) || defined(__i386__) 314 #define KINFO_FILE_SIZE 1392 315 #endif 316 317 struct kinfo_file { 318 int kf_structsize; /* Variable size of record. */ 319 int kf_type; /* Descriptor type. */ 320 int kf_fd; /* Array index. */ 321 int kf_ref_count; /* Reference count. */ 322 int kf_flags; /* Flags. */ 323 int kf_pad0; /* Round to 64 bit alignment. */ 324 int64_t kf_offset; /* Seek location. */ 325 int kf_vnode_type; /* Vnode type. */ 326 int kf_sock_domain; /* Socket domain. */ 327 int kf_sock_type; /* Socket type. */ 328 int kf_sock_protocol; /* Socket protocol. */ 329 struct sockaddr_storage kf_sa_local; /* Socket address. */ 330 struct sockaddr_storage kf_sa_peer; /* Peer address. */ 331 union { 332 struct { 333 /* Address of so_pcb. */ 334 uint64_t kf_sock_pcb; 335 /* Address of inp_ppcb. */ 336 uint64_t kf_sock_inpcb; 337 /* Address of unp_conn. */ 338 uint64_t kf_sock_unpconn; 339 /* Send buffer state. */ 340 uint16_t kf_sock_snd_sb_state; 341 /* Receive buffer state. */ 342 uint16_t kf_sock_rcv_sb_state; 343 /* Round to 64 bit alignment. */ 344 uint32_t kf_sock_pad0; 345 } kf_sock; 346 struct { 347 /* Global file id. */ 348 uint64_t kf_file_fileid; 349 /* File size. */ 350 uint64_t kf_file_size; 351 /* Vnode filesystem id. */ 352 uint32_t kf_file_fsid; 353 /* File device. */ 354 uint32_t kf_file_rdev; 355 /* File mode. */ 356 uint16_t kf_file_mode; 357 /* Round to 64 bit alignment. */ 358 uint16_t kf_file_pad0; 359 uint32_t kf_file_pad1; 360 } kf_file; 361 struct { 362 uint64_t kf_pipe_addr; 363 uint64_t kf_pipe_peer; 364 uint32_t kf_pipe_buffer_cnt; 365 /* Round to 64 bit alignment. */ 366 uint32_t kf_pipe_pad0[3]; 367 } kf_pipe; 368 struct { 369 uint32_t kf_pts_dev; 370 /* Round to 64 bit alignment. */ 371 uint32_t kf_pts_pad0[7]; 372 } kf_pts; 373 } kf_un; 374 uint16_t kf_status; /* Status flags. */ 375 uint16_t kf_pad1; /* Round to 32 bit alignment. */ 376 int _kf_ispare[7]; /* Space for more stuff. */ 377 /* Truncated before copyout in sysctl */ 378 char kf_path[PATH_MAX]; /* Path to file, if any. */ 379 }; 380 381 /* 382 * The KERN_PROC_VMMAP sysctl allows a process to dump the VM layout of 383 * another process as a series of entries. 384 */ 385 #define KVME_TYPE_NONE 0 386 #define KVME_TYPE_DEFAULT 1 387 #define KVME_TYPE_VNODE 2 388 #define KVME_TYPE_SWAP 3 389 #define KVME_TYPE_DEVICE 4 390 #define KVME_TYPE_PHYS 5 391 #define KVME_TYPE_DEAD 6 392 #define KVME_TYPE_SG 7 393 #define KVME_TYPE_UNKNOWN 255 394 395 #define KVME_PROT_READ 0x00000001 396 #define KVME_PROT_WRITE 0x00000002 397 #define KVME_PROT_EXEC 0x00000004 398 399 #define KVME_FLAG_COW 0x00000001 400 #define KVME_FLAG_NEEDS_COPY 0x00000002 401 #define KVME_FLAG_NOCOREDUMP 0x00000004 402 403 #if defined(__amd64__) 404 #define KINFO_OVMENTRY_SIZE 1168 405 #endif 406 #if defined(__i386__) 407 #define KINFO_OVMENTRY_SIZE 1128 408 #endif 409 410 struct kinfo_ovmentry { 411 int kve_structsize; /* Size of kinfo_vmmapentry. */ 412 int kve_type; /* Type of map entry. */ 413 void *kve_start; /* Starting address. */ 414 void *kve_end; /* Finishing address. */ 415 int kve_flags; /* Flags on map entry. */ 416 int kve_resident; /* Number of resident pages. */ 417 int kve_private_resident; /* Number of private pages. */ 418 int kve_protection; /* Protection bitmask. */ 419 int kve_ref_count; /* VM obj ref count. */ 420 int kve_shadow_count; /* VM obj shadow count. */ 421 char kve_path[PATH_MAX]; /* Path to VM obj, if any. */ 422 void *_kve_pspare[8]; /* Space for more stuff. */ 423 off_t kve_offset; /* Mapping offset in object */ 424 uint64_t kve_fileid; /* inode number if vnode */ 425 dev_t kve_fsid; /* dev_t of vnode location */ 426 int _kve_ispare[3]; /* Space for more stuff. */ 427 }; 428 429 #if defined(__amd64__) || defined(__i386__) 430 #define KINFO_VMENTRY_SIZE 1160 431 #endif 432 433 struct kinfo_vmentry { 434 int kve_structsize; /* Variable size of record. */ 435 int kve_type; /* Type of map entry. */ 436 uint64_t kve_start; /* Starting address. */ 437 uint64_t kve_end; /* Finishing address. */ 438 uint64_t kve_offset; /* Mapping offset in object */ 439 uint64_t kve_vn_fileid; /* inode number if vnode */ 440 uint32_t kve_vn_fsid; /* dev_t of vnode location */ 441 int kve_flags; /* Flags on map entry. */ 442 int kve_resident; /* Number of resident pages. */ 443 int kve_private_resident; /* Number of private pages. */ 444 int kve_protection; /* Protection bitmask. */ 445 int kve_ref_count; /* VM obj ref count. */ 446 int kve_shadow_count; /* VM obj shadow count. */ 447 int kve_vn_type; /* Vnode type. */ 448 uint64_t kve_vn_size; /* File size. */ 449 uint32_t kve_vn_rdev; /* Device id if device. */ 450 uint16_t kve_vn_mode; /* File mode. */ 451 uint16_t kve_status; /* Status flags. */ 452 int _kve_ispare[12]; /* Space for more stuff. */ 453 /* Truncated before copyout in sysctl */ 454 char kve_path[PATH_MAX]; /* Path to VM obj, if any. */ 455 }; 456 457 /* 458 * The KERN_PROC_KSTACK sysctl allows a process to dump the kernel stacks of 459 * another process as a series of entries. Each stack is represented by a 460 * series of symbol names and offsets as generated by stack_sbuf_print(9). 461 */ 462 #define KKST_MAXLEN 1024 463 464 #define KKST_STATE_STACKOK 0 /* Stack is valid. */ 465 #define KKST_STATE_SWAPPED 1 /* Stack swapped out. */ 466 #define KKST_STATE_RUNNING 2 /* Stack ephemeral. */ 467 468 #if defined(__amd64__) || defined(__i386__) 469 #define KINFO_KSTACK_SIZE 1096 470 #endif 471 472 struct kinfo_kstack { 473 lwpid_t kkst_tid; /* ID of thread. */ 474 int kkst_state; /* Validity of stack. */ 475 char kkst_trace[KKST_MAXLEN]; /* String representing stack. */ 476 int _kkst_ispare[16]; /* Space for more stuff. */ 477 }; 478 479 #ifdef _KERNEL 480 int vntype_to_kinfo(int vtype); 481 #endif /* !_KERNEL */ 482 483 #endif 484