569 lines
20 KiB
C
569 lines
20 KiB
C
/*-
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* Copyright (c) 1982, 1986, 1989, 1991, 1993
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* The Regents of the University of California.
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* Copyright (c) 2007 Robert N. M. Watson
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)user.h 8.2 (Berkeley) 9/23/93
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* $FreeBSD$
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*/
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#ifndef _SYS_USER_H_
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#define _SYS_USER_H_
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#include <machine/pcb.h>
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#ifndef _KERNEL
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/* stuff that *used* to be included by user.h, or is now needed */
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#include <sys/errno.h>
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#include <sys/time.h>
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#include <sys/resource.h>
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#include <sys/ucred.h>
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#include <sys/uio.h>
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#include <sys/queue.h>
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#include <sys/_lock.h>
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#include <sys/_mutex.h>
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#include <sys/proc.h>
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#include <vm/vm.h> /* XXX */
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#include <vm/vm_param.h> /* XXX */
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#include <vm/pmap.h> /* XXX */
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#include <vm/vm_map.h> /* XXX */
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#endif /* !_KERNEL */
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#ifndef _SYS_RESOURCEVAR_H_
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#include <sys/resourcevar.h>
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#endif
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#ifndef _SYS_SIGNALVAR_H_
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#include <sys/signalvar.h>
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#endif
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#ifndef _SYS_SOCKET_VAR_H_
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#include <sys/socket.h>
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#endif
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#include <sys/caprights.h>
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/*
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* KERN_PROC subtype ops return arrays of selected proc structure entries:
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*
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* This struct includes several arrays of spare space, with different arrays
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* for different standard C-types. When adding new variables to this struct,
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* the space for byte-aligned data should be taken from the ki_sparestring,
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* pointers from ki_spareptrs, word-aligned data from ki_spareints, and
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* doubleword-aligned data from ki_sparelongs. Make sure the space for new
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* variables come from the array which matches the size and alignment of
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* those variables on ALL hardware platforms, and then adjust the appropriate
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* KI_NSPARE_* value(s) to match.
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*
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* Always verify that sizeof(struct kinfo_proc) == KINFO_PROC_SIZE on all
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* platforms after you have added new variables. Note that if you change
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* the value of KINFO_PROC_SIZE, then many userland programs will stop
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* working until they are recompiled!
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*
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* Once you have added the new field, you will need to add code to initialize
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* it in two places: function fill_kinfo_proc in sys/kern/kern_proc.c and
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* function kvm_proclist in lib/libkvm/kvm_proc.c .
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*/
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#define KI_NSPARE_INT 4
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#define KI_NSPARE_LONG 12
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#define KI_NSPARE_PTR 6
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#ifndef _KERNEL
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#ifndef KINFO_PROC_SIZE
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#error "Unknown architecture"
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#endif
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#endif /* !_KERNEL */
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#define WMESGLEN 8 /* size of returned wchan message */
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#define LOCKNAMELEN 8 /* size of returned lock name */
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#define TDNAMLEN 16 /* size of returned thread name */
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#define COMMLEN 19 /* size of returned ki_comm name */
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#define KI_EMULNAMELEN 16 /* size of returned ki_emul */
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#define KI_NGROUPS 16 /* number of groups in ki_groups */
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#define LOGNAMELEN 17 /* size of returned ki_login */
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#define LOGINCLASSLEN 17 /* size of returned ki_loginclass */
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#ifndef BURN_BRIDGES
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#define OCOMMLEN TDNAMLEN
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#define ki_ocomm ki_tdname
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#endif
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/* Flags for the process credential. */
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#define KI_CRF_CAPABILITY_MODE 0x00000001
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/*
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* Steal a bit from ki_cr_flags to indicate that the cred had more than
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* KI_NGROUPS groups.
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*/
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#define KI_CRF_GRP_OVERFLOW 0x80000000
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struct kinfo_proc {
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int ki_structsize; /* size of this structure */
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int ki_layout; /* reserved: layout identifier */
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struct pargs *ki_args; /* address of command arguments */
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struct proc *ki_paddr; /* address of proc */
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struct user *ki_addr; /* kernel virtual addr of u-area */
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struct vnode *ki_tracep; /* pointer to trace file */
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struct vnode *ki_textvp; /* pointer to executable file */
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struct filedesc *ki_fd; /* pointer to open file info */
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struct vmspace *ki_vmspace; /* pointer to kernel vmspace struct */
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void *ki_wchan; /* sleep address */
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pid_t ki_pid; /* Process identifier */
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pid_t ki_ppid; /* parent process id */
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pid_t ki_pgid; /* process group id */
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pid_t ki_tpgid; /* tty process group id */
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pid_t ki_sid; /* Process session ID */
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pid_t ki_tsid; /* Terminal session ID */
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short ki_jobc; /* job control counter */
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short ki_spare_short1; /* unused (just here for alignment) */
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dev_t ki_tdev; /* controlling tty dev */
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sigset_t ki_siglist; /* Signals arrived but not delivered */
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sigset_t ki_sigmask; /* Current signal mask */
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sigset_t ki_sigignore; /* Signals being ignored */
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sigset_t ki_sigcatch; /* Signals being caught by user */
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uid_t ki_uid; /* effective user id */
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uid_t ki_ruid; /* Real user id */
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uid_t ki_svuid; /* Saved effective user id */
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gid_t ki_rgid; /* Real group id */
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gid_t ki_svgid; /* Saved effective group id */
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short ki_ngroups; /* number of groups */
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short ki_spare_short2; /* unused (just here for alignment) */
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gid_t ki_groups[KI_NGROUPS]; /* groups */
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vm_size_t ki_size; /* virtual size */
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segsz_t ki_rssize; /* current resident set size in pages */
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segsz_t ki_swrss; /* resident set size before last swap */
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segsz_t ki_tsize; /* text size (pages) XXX */
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segsz_t ki_dsize; /* data size (pages) XXX */
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segsz_t ki_ssize; /* stack size (pages) */
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u_short ki_xstat; /* Exit status for wait & stop signal */
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u_short ki_acflag; /* Accounting flags */
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fixpt_t ki_pctcpu; /* %cpu for process during ki_swtime */
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u_int ki_estcpu; /* Time averaged value of ki_cpticks */
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u_int ki_slptime; /* Time since last blocked */
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u_int ki_swtime; /* Time swapped in or out */
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u_int ki_cow; /* number of copy-on-write faults */
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u_int64_t ki_runtime; /* Real time in microsec */
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struct timeval ki_start; /* starting time */
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struct timeval ki_childtime; /* time used by process children */
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long ki_flag; /* P_* flags */
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long ki_kiflag; /* KI_* flags (below) */
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int ki_traceflag; /* Kernel trace points */
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char ki_stat; /* S* process status */
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signed char ki_nice; /* Process "nice" value */
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char ki_lock; /* Process lock (prevent swap) count */
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char ki_rqindex; /* Run queue index */
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u_char ki_oncpu_old; /* Which cpu we are on (legacy) */
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u_char ki_lastcpu_old; /* Last cpu we were on (legacy) */
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char ki_tdname[TDNAMLEN+1]; /* thread name */
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char ki_wmesg[WMESGLEN+1]; /* wchan message */
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char ki_login[LOGNAMELEN+1]; /* setlogin name */
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char ki_lockname[LOCKNAMELEN+1]; /* lock name */
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char ki_comm[COMMLEN+1]; /* command name */
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char ki_emul[KI_EMULNAMELEN+1]; /* emulation name */
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char ki_loginclass[LOGINCLASSLEN+1]; /* login class */
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/*
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* When adding new variables, take space for char-strings from the
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* front of ki_sparestrings, and ints from the end of ki_spareints.
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* That way the spare room from both arrays will remain contiguous.
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*/
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char ki_sparestrings[50]; /* spare string space */
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int ki_spareints[KI_NSPARE_INT]; /* spare room for growth */
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int ki_oncpu; /* Which cpu we are on */
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int ki_lastcpu; /* Last cpu we were on */
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int ki_tracer; /* Pid of tracing process */
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int ki_flag2; /* P2_* flags */
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int ki_fibnum; /* Default FIB number */
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u_int ki_cr_flags; /* Credential flags */
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int ki_jid; /* Process jail ID */
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int ki_numthreads; /* XXXKSE number of threads in total */
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lwpid_t ki_tid; /* XXXKSE thread id */
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struct priority ki_pri; /* process priority */
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struct rusage ki_rusage; /* process rusage statistics */
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/* XXX - most fields in ki_rusage_ch are not (yet) filled in */
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struct rusage ki_rusage_ch; /* rusage of children processes */
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struct pcb *ki_pcb; /* kernel virtual addr of pcb */
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void *ki_kstack; /* kernel virtual addr of stack */
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void *ki_udata; /* User convenience pointer */
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struct thread *ki_tdaddr; /* address of thread */
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/*
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* When adding new variables, take space for pointers from the
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* front of ki_spareptrs, and longs from the end of ki_sparelongs.
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* That way the spare room from both arrays will remain contiguous.
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*/
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void *ki_spareptrs[KI_NSPARE_PTR]; /* spare room for growth */
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long ki_sparelongs[KI_NSPARE_LONG]; /* spare room for growth */
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long ki_sflag; /* PS_* flags */
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long ki_tdflags; /* XXXKSE kthread flag */
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};
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void fill_kinfo_proc(struct proc *, struct kinfo_proc *);
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/* XXX - the following two defines are temporary */
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#define ki_childstime ki_rusage_ch.ru_stime
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#define ki_childutime ki_rusage_ch.ru_utime
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/*
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* Legacy PS_ flag. This moved to p_flag but is maintained for
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* compatibility.
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*/
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#define PS_INMEM 0x00001 /* Loaded into memory. */
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/* ki_sessflag values */
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#define KI_CTTY 0x00000001 /* controlling tty vnode active */
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#define KI_SLEADER 0x00000002 /* session leader */
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#define KI_LOCKBLOCK 0x00000004 /* proc blocked on lock ki_lockname */
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/*
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* This used to be the per-process structure containing data that
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* isn't needed in core when the process is swapped out, but now it
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* remains only for the benefit of a.out core dumps.
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*/
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struct user {
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struct pstats u_stats; /* *p_stats */
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struct kinfo_proc u_kproc; /* eproc */
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};
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/*
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* The KERN_PROC_FILE sysctl allows a process to dump the file descriptor
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* array of another process.
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*/
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#define KF_ATTR_VALID 0x0001
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#define KF_TYPE_NONE 0
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#define KF_TYPE_VNODE 1
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#define KF_TYPE_SOCKET 2
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#define KF_TYPE_PIPE 3
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#define KF_TYPE_FIFO 4
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#define KF_TYPE_KQUEUE 5
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#define KF_TYPE_CRYPTO 6
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#define KF_TYPE_MQUEUE 7
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#define KF_TYPE_SHM 8
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#define KF_TYPE_SEM 9
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#define KF_TYPE_PTS 10
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#define KF_TYPE_PROCDESC 11
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#define KF_TYPE_UNKNOWN 255
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#define KF_VTYPE_VNON 0
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#define KF_VTYPE_VREG 1
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#define KF_VTYPE_VDIR 2
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#define KF_VTYPE_VBLK 3
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#define KF_VTYPE_VCHR 4
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#define KF_VTYPE_VLNK 5
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#define KF_VTYPE_VSOCK 6
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#define KF_VTYPE_VFIFO 7
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#define KF_VTYPE_VBAD 8
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#define KF_VTYPE_UNKNOWN 255
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#define KF_FD_TYPE_CWD -1 /* Current working directory */
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#define KF_FD_TYPE_ROOT -2 /* Root directory */
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#define KF_FD_TYPE_JAIL -3 /* Jail directory */
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#define KF_FD_TYPE_TRACE -4 /* Ktrace vnode */
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#define KF_FD_TYPE_TEXT -5 /* Text vnode */
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#define KF_FD_TYPE_CTTY -6 /* Controlling terminal */
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#define KF_FLAG_READ 0x00000001
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#define KF_FLAG_WRITE 0x00000002
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#define KF_FLAG_APPEND 0x00000004
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#define KF_FLAG_ASYNC 0x00000008
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#define KF_FLAG_FSYNC 0x00000010
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#define KF_FLAG_NONBLOCK 0x00000020
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#define KF_FLAG_DIRECT 0x00000040
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#define KF_FLAG_HASLOCK 0x00000080
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#define KF_FLAG_SHLOCK 0x00000100
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#define KF_FLAG_EXLOCK 0x00000200
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#define KF_FLAG_NOFOLLOW 0x00000400
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#define KF_FLAG_CREAT 0x00000800
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#define KF_FLAG_TRUNC 0x00001000
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#define KF_FLAG_EXCL 0x00002000
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#define KF_FLAG_EXEC 0x00004000
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/*
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* Old format. Has variable hidden padding due to alignment.
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* This is a compatibility hack for pre-build 7.1 packages.
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*/
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#if defined(__amd64__)
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#define KINFO_OFILE_SIZE 1328
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#endif
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#if defined(__i386__)
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#define KINFO_OFILE_SIZE 1324
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#endif
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struct kinfo_ofile {
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int kf_structsize; /* Size of kinfo_file. */
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int kf_type; /* Descriptor type. */
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int kf_fd; /* Array index. */
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int kf_ref_count; /* Reference count. */
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int kf_flags; /* Flags. */
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/* XXX Hidden alignment padding here on amd64 */
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off_t kf_offset; /* Seek location. */
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int kf_vnode_type; /* Vnode type. */
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int kf_sock_domain; /* Socket domain. */
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int kf_sock_type; /* Socket type. */
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int kf_sock_protocol; /* Socket protocol. */
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char kf_path[PATH_MAX]; /* Path to file, if any. */
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struct sockaddr_storage kf_sa_local; /* Socket address. */
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struct sockaddr_storage kf_sa_peer; /* Peer address. */
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};
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#if defined(__amd64__) || defined(__i386__)
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/*
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* This size should never be changed. If you really need to, you must provide
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* backward ABI compatibility by allocating a new sysctl MIB that will return
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* the new structure. The current structure has to be returned by the current
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* sysctl MIB. See how it is done for the kinfo_ofile structure.
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*/
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#define KINFO_FILE_SIZE 1392
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#endif
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struct kinfo_file {
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int kf_structsize; /* Variable size of record. */
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int kf_type; /* Descriptor type. */
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int kf_fd; /* Array index. */
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int kf_ref_count; /* Reference count. */
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int kf_flags; /* Flags. */
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int kf_pad0; /* Round to 64 bit alignment. */
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int64_t kf_offset; /* Seek location. */
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int kf_vnode_type; /* Vnode type. */
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int kf_sock_domain; /* Socket domain. */
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int kf_sock_type; /* Socket type. */
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int kf_sock_protocol; /* Socket protocol. */
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struct sockaddr_storage kf_sa_local; /* Socket address. */
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struct sockaddr_storage kf_sa_peer; /* Peer address. */
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union {
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struct {
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/* Address of so_pcb. */
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uint64_t kf_sock_pcb;
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/* Address of inp_ppcb. */
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uint64_t kf_sock_inpcb;
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/* Address of unp_conn. */
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uint64_t kf_sock_unpconn;
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/* Send buffer state. */
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uint16_t kf_sock_snd_sb_state;
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/* Receive buffer state. */
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uint16_t kf_sock_rcv_sb_state;
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/* Round to 64 bit alignment. */
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uint32_t kf_sock_pad0;
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} kf_sock;
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struct {
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/* Global file id. */
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uint64_t kf_file_fileid;
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/* File size. */
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uint64_t kf_file_size;
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/* Vnode filesystem id. */
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uint32_t kf_file_fsid;
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/* File device. */
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uint32_t kf_file_rdev;
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/* File mode. */
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uint16_t kf_file_mode;
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/* Round to 64 bit alignment. */
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uint16_t kf_file_pad0;
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uint32_t kf_file_pad1;
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} kf_file;
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struct {
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uint32_t kf_sem_value;
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uint16_t kf_sem_mode;
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} kf_sem;
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struct {
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uint64_t kf_pipe_addr;
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uint64_t kf_pipe_peer;
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uint32_t kf_pipe_buffer_cnt;
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/* Round to 64 bit alignment. */
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uint32_t kf_pipe_pad0[3];
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} kf_pipe;
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struct {
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uint32_t kf_pts_dev;
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/* Round to 64 bit alignment. */
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uint32_t kf_pts_pad0[7];
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} kf_pts;
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struct {
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pid_t kf_pid;
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} kf_proc;
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} kf_un;
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uint16_t kf_status; /* Status flags. */
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uint16_t kf_pad1; /* Round to 32 bit alignment. */
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int _kf_ispare0; /* Space for more stuff. */
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cap_rights_t kf_cap_rights; /* Capability rights. */
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uint64_t _kf_cap_spare; /* Space for future cap_rights_t. */
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/* Truncated before copyout in sysctl */
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char kf_path[PATH_MAX]; /* Path to file, if any. */
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};
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/*
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* The KERN_PROC_VMMAP sysctl allows a process to dump the VM layout of
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* another process as a series of entries.
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*/
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#define KVME_TYPE_NONE 0
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#define KVME_TYPE_DEFAULT 1
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#define KVME_TYPE_VNODE 2
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#define KVME_TYPE_SWAP 3
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#define KVME_TYPE_DEVICE 4
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#define KVME_TYPE_PHYS 5
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#define KVME_TYPE_DEAD 6
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#define KVME_TYPE_SG 7
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#define KVME_TYPE_MGTDEVICE 8
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#define KVME_TYPE_UNKNOWN 255
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#define KVME_PROT_READ 0x00000001
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#define KVME_PROT_WRITE 0x00000002
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#define KVME_PROT_EXEC 0x00000004
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#define KVME_FLAG_COW 0x00000001
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#define KVME_FLAG_NEEDS_COPY 0x00000002
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#define KVME_FLAG_NOCOREDUMP 0x00000004
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#define KVME_FLAG_SUPER 0x00000008
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#define KVME_FLAG_GROWS_UP 0x00000010
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#define KVME_FLAG_GROWS_DOWN 0x00000020
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#if defined(__amd64__)
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#define KINFO_OVMENTRY_SIZE 1168
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#endif
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#if defined(__i386__)
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#define KINFO_OVMENTRY_SIZE 1128
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#endif
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struct kinfo_ovmentry {
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int kve_structsize; /* Size of kinfo_vmmapentry. */
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int kve_type; /* Type of map entry. */
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void *kve_start; /* Starting address. */
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void *kve_end; /* Finishing address. */
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int kve_flags; /* Flags on map entry. */
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int kve_resident; /* Number of resident pages. */
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int kve_private_resident; /* Number of private pages. */
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int kve_protection; /* Protection bitmask. */
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int kve_ref_count; /* VM obj ref count. */
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int kve_shadow_count; /* VM obj shadow count. */
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char kve_path[PATH_MAX]; /* Path to VM obj, if any. */
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void *_kve_pspare[8]; /* Space for more stuff. */
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off_t kve_offset; /* Mapping offset in object */
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uint64_t kve_fileid; /* inode number if vnode */
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dev_t kve_fsid; /* dev_t of vnode location */
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int _kve_ispare[3]; /* Space for more stuff. */
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};
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#if defined(__amd64__) || defined(__i386__)
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#define KINFO_VMENTRY_SIZE 1160
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#endif
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struct kinfo_vmentry {
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int kve_structsize; /* Variable size of record. */
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int kve_type; /* Type of map entry. */
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uint64_t kve_start; /* Starting address. */
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uint64_t kve_end; /* Finishing address. */
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uint64_t kve_offset; /* Mapping offset in object */
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uint64_t kve_vn_fileid; /* inode number if vnode */
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uint32_t kve_vn_fsid; /* dev_t of vnode location */
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int kve_flags; /* Flags on map entry. */
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int kve_resident; /* Number of resident pages. */
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int kve_private_resident; /* Number of private pages. */
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int kve_protection; /* Protection bitmask. */
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int kve_ref_count; /* VM obj ref count. */
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int kve_shadow_count; /* VM obj shadow count. */
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int kve_vn_type; /* Vnode type. */
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uint64_t kve_vn_size; /* File size. */
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uint32_t kve_vn_rdev; /* Device id if device. */
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uint16_t kve_vn_mode; /* File mode. */
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uint16_t kve_status; /* Status flags. */
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int _kve_ispare[12]; /* Space for more stuff. */
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/* Truncated before copyout in sysctl */
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char kve_path[PATH_MAX]; /* Path to VM obj, if any. */
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};
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/*
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* The "vm.objects" sysctl provides a list of all VM objects in the system
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* via an array of these entries.
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*/
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struct kinfo_vmobject {
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int kvo_structsize; /* Variable size of record. */
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int kvo_type; /* Object type: KVME_TYPE_*. */
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uint64_t kvo_size; /* Object size in pages. */
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uint64_t kvo_vn_fileid; /* inode number if vnode. */
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uint32_t kvo_vn_fsid; /* dev_t of vnode location. */
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int kvo_ref_count; /* Reference count. */
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int kvo_shadow_count; /* Shadow count. */
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int kvo_memattr; /* Memory attribute. */
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uint64_t kvo_resident; /* Number of resident pages. */
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uint64_t kvo_active; /* Number of active pages. */
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uint64_t kvo_inactive; /* Number of inactive pages. */
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uint64_t _kvo_qspare[8];
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uint32_t _kvo_ispare[8];
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char kvo_path[PATH_MAX]; /* Pathname, if any. */
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};
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/*
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* The KERN_PROC_KSTACK sysctl allows a process to dump the kernel stacks of
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* another process as a series of entries. Each stack is represented by a
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* series of symbol names and offsets as generated by stack_sbuf_print(9).
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*/
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#define KKST_MAXLEN 1024
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#define KKST_STATE_STACKOK 0 /* Stack is valid. */
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#define KKST_STATE_SWAPPED 1 /* Stack swapped out. */
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#define KKST_STATE_RUNNING 2 /* Stack ephemeral. */
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#if defined(__amd64__) || defined(__i386__)
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#define KINFO_KSTACK_SIZE 1096
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#endif
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struct kinfo_kstack {
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lwpid_t kkst_tid; /* ID of thread. */
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int kkst_state; /* Validity of stack. */
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char kkst_trace[KKST_MAXLEN]; /* String representing stack. */
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int _kkst_ispare[16]; /* Space for more stuff. */
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};
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struct kinfo_sigtramp {
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void *ksigtramp_start;
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void *ksigtramp_end;
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void *ksigtramp_spare[4];
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};
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#ifdef _KERNEL
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/* Flags for kern_proc_out function. */
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#define KERN_PROC_NOTHREADS 0x1
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#define KERN_PROC_MASK32 0x2
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/* Flags for kern_proc_filedesc_out. */
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#define KERN_FILEDESC_PACK_KINFO 0x00000001U
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/* Flags for kern_proc_vmmap_out. */
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#define KERN_VMMAP_PACK_KINFO 0x00000001U
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struct sbuf;
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/*
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* The kern_proc out functions are helper functions to dump process
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* miscellaneous kinfo structures to sbuf. The main consumers are KERN_PROC
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* sysctls but they may also be used by other kernel subsystems.
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*
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* The functions manipulate the process locking state and expect the process
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* to be locked on enter. On return the process is unlocked.
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*/
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int kern_proc_filedesc_out(struct proc *p, struct sbuf *sb, ssize_t maxlen,
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int flags);
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int kern_proc_cwd_out(struct proc *p, struct sbuf *sb, ssize_t maxlen);
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int kern_proc_out(struct proc *p, struct sbuf *sb, int flags);
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int kern_proc_vmmap_out(struct proc *p, struct sbuf *sb, ssize_t maxlen,
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int flags);
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int vntype_to_kinfo(int vtype);
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#endif /* !_KERNEL */
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#endif
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