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Man Sections:Commands (1)System Calls (2)Library Functions (3)Device Drivers (4)File Formats (5)Miscellaneous (7)System Utilities (8)
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Index:
  IPXrouted(8)
  MAKEDEV(8)
  ac(8)
  accton(8)
  acpiconf(8)
  acpidb(8)
  acpidump(8)
  adding_user(8)
  adduser(8)
  adjkerntz(8)
  amd(8)
  amq(8)
  ancontrol(8)
  apm(8)
  apmconf(8)
  apmd(8)
  arlcontrol(8)
  arp(8)
  asf(8)
  atacontrol(8)
  atm(8)
  atmarpd(8)
  atmconfig(8)
  atrun(8)
  authpf(8)
  badsect(8)
  bcmfw(8)
  boot(8)
  boot0cfg(8)
  boot_i386(8)
  bootparamd(8)
  bootpd(8)
  bootpef(8)
  bootpgw(8)
  bootptest(8)
  bsdlabel(8)
  bt3cfw(8)
  btxld(8)
  burncd(8)
  camcontrol(8)
  catman.local(8)
  ccdconfig(8)
  chat(8)
  chkgrp(8)
  chkprintcap(8)
  chown(8)
  chroot(8)
  clri(8)
  comcontrol(8)
  comsat(8)
  config(8)
  conscontrol(8)
  crash(8)
  cron(8)
  cvsbug(8)
  daemon(8)
  dconschat(8)
  devd(8)
  devfs(8)
  devinfo(8)
  dhclient-script(8)
  dhclient(8)
  digictl(8)
  diskinfo(8)
  disklabel(8)
  diskless(8)
  dmesg(8)
  dnssec-keygen(8)
  dnssec-signzone(8)
  dump(8)
  dumpfs(8)
  dumpon(8)
  editmap(8)
  edquota(8)
  extattrctl(8)
  faithd(8)
  fastboot(8)
  fasthalt(8)
  fdcontrol(8)
  fdisk(8)
  ffsinfo(8)
  fingerd(8)
  fixmount(8)
  flowctl(8)
  fore_dnld(8)
  fsck(8)
  fsck_4.2bsd(8)
  fsck_ffs(8)
  fsck_msdosfs(8)
  fsck_ufs(8)
  fsdb(8)
  fsinfo(8)
  fsirand(8)
  ftp-proxy(8)
  ftpd(8)
  fwcontrol(8)
  gbde(8)
  gconcat(8)
  geom(8)
  getextattr(8)
  getfmac(8)
  getpmac(8)
  getty(8)
  ggatec(8)
  ggated(8)
  ggatel(8)
  glabel(8)
  gmirror(8)
  gnop(8)
  gpt(8)
  graid3(8)
  growfs(8)
  gshsec(8)
  gstat(8)
  gstripe(8)
  halt(8)
  hccontrol(8)
  hcsecd(8)
  hcseriald(8)
  hlfsd(8)
  hprop(8)
  hpropd(8)
  iasl(8)
  ifconfig(8)
  ifmcstat(8)
  ilmid(8)
  inetd(8)
  init(8)
  intro(8)
  iostat(8)
  ip6addrctl(8)
  ip6fw(8)
  ipf(8)
  ipfs(8)
  ipfstat(8)
  ipfw(8)
  ipmon(8)
  isdnd(8)
  isdndebug(8)
  isdndecode(8)
  isdnmonitor(8)
  isdnphone(8)
  isdntel(8)
  isdntelctl(8)
  isdntrace(8)
  ispcvt(8)
  jail(8)
  jexec(8)
  jls(8)
  kadmin(8)
  kadmind(8)
  kdc(8)
  kerberos(8)
  keyserv(8)
  kgmon(8)
  kgzip(8)
  kldconfig(8)
  kldload(8)
  kldstat(8)
  kldunload(8)
  kldxref(8)
  kpasswdd(8)
  kstash(8)
  ktrdump(8)
  ktutil(8)
  l2control(8)
  l2ping(8)
  lastlogin(8)
  ldconfig(8)
  loader.4th(8)
  loader(8)
  locate.updatedb(8)
  lockd(8)
  lpc(8)
  lpd(8)
  lptcontrol(8)
  lsextattr(8)
  lwresd(8)
  mail.local(8)
  mailstats(8)
  mailwrapper(8)
  makekey(8)
  makemap(8)
  makewhatis.local(8)
  manctl(8)
  map-mbone(8)
  mdconfig(8)
  mdmfs(8)
  memcontrol(8)
  mergemaster(8)
  mixer(8)
  mk-amd-map(8)
  mknetid(8)
  mknod(8)
  mksnap_ffs(8)
  mkuzip(8)
  mld6query(8)
  mlxcontrol(8)
  mount(8)
  mount_cd9660(8)
  mount_devfs(8)
  mount_ext2fs(8)
  mount_fdescfs(8)
  mount_linprocfs(8)
  mount_mfs(8)
  mount_msdosfs(8)
  mount_nfs(8)
  mount_nfs4(8)
  mount_ntfs(8)
  mount_nullfs(8)
  mount_nwfs(8)
  mount_portalfs(8)
  mount_procfs(8)
  mount_smbfs(8)
  mount_std(8)
  mount_udf(8)
  mount_umapfs(8)
  mount_unionfs(8)
  mountd(8)
  moused(8)
  mrinfo(8)
  mrouted(8)
  mtest(8)
  mtrace(8)
  mtree(8)
  named-checkconf(8)
  named-checkzone(8)
  named(8)
  named.reconfig(8)
  named.reload(8)
  natd(8)
  ndiscvt(8)
  ndp(8)
  newfs(8)
  newfs_msdos(8)
  newkey(8)
  newsyslog(8)
  nextboot(8)
  nfsd(8)
  nfsiod(8)
  ngctl(8)
  nghook(8)
  nis(8)
  nologin(8)
  nos-tun(8)
  nsupdate(8)
  ntpd(8)
  ntpdate(8)
  ntpdc(8)
  ntpq(8)
  ntptime(8)
  ntptrace(8)
  pac(8)
  pam_chroot(8)
  pam_deny(8)
  pam_echo(8)
  pam_exec(8)
  pam_ftpusers(8)
  pam_group(8)
  pam_guest(8)
  pam_krb5(8)
  pam_ksu(8)
  pam_lastlog(8)
  pam_login_access(8)
  pam_nologin(8)
  pam_opie(8)
  pam_opieaccess(8)
  pam_passwdqc(8)
  pam_permit(8)
  pam_radius(8)
  pam_rhosts(8)
  pam_rootok(8)
  pam_securetty(8)
  pam_self(8)
  pam_ssh(8)
  pam_tacplus(8)
  pam_unix(8)
  pccardc(8)
  pccardd(8)
  pciconf(8)
  periodic(8)
  pfctl(8)
  pflogd(8)
  picobsd(8)
  ping(8)
  ping6(8)
  pnpinfo(8)
  ppp(8)
  pppctl(8)
  pppd(8)
  pppoed(8)
  pppstats(8)
  praliases(8)
  procctl(8)
  pstat(8)
  pw(8)
  pwd_mkdb(8)
  pxeboot(8)
  quot(8)
  quotacheck(8)
  quotaoff(8)
  quotaon(8)
  rarpd(8)
  raycontrol(8)
  rbootd(8)
  rc(8)
  rc.atm(8)
  rc.d(8)
  rc.early(8)
  rc.firewall(8)
  rc.local(8)
  rc.network(8)
  rc.pccard(8)
  rc.sendmail(8)
  rc.serial(8)
  rc.shutdown(8)
  rc.subr(8)
  rcorder(8)
  rdump(8)
  reboot(8)
  renice(8)
  repquota(8)
  rescue(8)
  restore(8)
  revnetgroup(8)
  rexecd(8)
  rfcomm_pppd(8)
  rip6query(8)
  rlogind(8)
  rmail(8)
  rmextattr(8)
  rmt(8)
  rmuser(8)
  rndc-confgen(8)
  rndc(8)
  route(8)
  route6d(8)
  routed(8)
  rpc.lockd(8)
  rpc.rquotad(8)
  rpc.rstatd(8)
  rpc.rusersd(8)
  rpc.rwalld(8)
  rpc.sprayd(8)
  rpc.statd(8)
  rpc.umntall(8)
  rpc.yppasswdd(8)
  rpc.ypxfrd(8)
  rpcbind(8)
  rpcinfo(8)
  rrenumd(8)
  rrestore(8)
  rshd(8)
  rtadvd(8)
  rtquery(8)
  rtsol(8)
  rtsold(8)
  rwhod(8)
  sa(8)
  savecore(8)
  sconfig(8)
  scspd(8)
  sdpcontrol(8)
  sdpd(8)
  securelevel(8)
  sendmail(8)
  setextattr(8)
  setfmac(8)
  setfsmac(8)
  setkey(8)
  setpmac(8)
  sftp-server(8)
  showmount(8)
  shutdown(8)
  sicontrol(8)
  slattach(8)
  slip(8)
  sliplogin(8)
  slstat(8)
  smbmsg(8)
  smrsh(8)
  spkrtest(8)
  spppcontrol(8)
  spray(8)
  ssh-keysign(8)
  sshd(8)
  sticky(8)
  strfile(8)
  sunlabel(8)
  swapctl(8)
  swapinfo(8)
  swapoff(8)
  swapon(8)
  sync(8)
  sysctl(8)
  sysinstall(8)
  syslogd(8)
  talkd(8)
  tcpd(8)
  tcpdchk(8)
  tcpdmatch(8)
  tcpdrop(8)
  telnetd(8)
  tftpd(8)
  timed(8)
  timedc(8)
  traceroute(8)
  traceroute6(8)
  trpt(8)
  tunefs(8)
  tzsetup(8)
  ugidfw(8)
  umount(8)
  unstr(8)
  updatedb(8)
  usbd(8)
  usbdevs(8)
  verify_krb5_conf(8)
  vinum(8)
  vipw(8)
  vmstat(8)
  vnconfig(8)
  watch(8)
  watchdog(8)
  watchdogd(8)
  wicontrol(8)
  wire-test(8)
  wlconfig(8)
  yp(8)
  yp_mkdb(8)
  ypbind(8)
  ypinit(8)
  yppoll(8)
  yppush(8)
  ypserv(8)
  ypset(8)
  ypxfr(8)
  zdump(8)
  zic(8)
  zzz(8)

pciconf(8)

NAME

     pciconf -- diagnostic utility for the PCI bus


SYNOPSIS

     pciconf -l [-v]
     pciconf -a selector
     pciconf -r [-b | -h] selector addr[:addr2]
     pciconf -w [-b | -h] selector addr value


DESCRIPTION

     The pciconf utility provides a command line interface to functionality
     provided by the pci(4) ioctl(2) interface.  As such, some of the func-
     tions are only available to users with write access to /dev/pci, normally
     only the super-user.

     With the -l option, it lists all devices found by the boot probe in the
     following format:

     foo0@pci0:4:0: class=0x010000 card=0x00000000 chip=0x000f1000 rev=0x01 hdr=0x00
     bar0@pci0:5:0: class=0x000100 card=0x00000000 chip=0x88c15333 rev=0x00 hdr=0x00
     none0@pci0:6:0: class=0x020000 card=0x00000000 chip=0x802910ec rev=0x00 hdr=0x00

     If the -v option is supplied, pciconf will attempt to load the ven-
     dor/device information database, and print vendor, device, class and sub-
     class identification strings for each device.

     The first column gives the device name, unit number, and selector.  If
     there is no device configured in the kernel for the PCI device in ques-
     tion, the device name will be ``none''.  Unit numbers for unconfigured
     devices start at zero and are incremented for each unconfigured device
     that is encountered.  The selector is in a form which may directly be
     used for the other forms of the command.  The second column is the class
     code, with the class byte printed as two hex digits, followed by the sub-
     class and the interface bytes.  The third column gives the contents of
     the subvendorid register, introduced in revision 2.1 of the PCI standard.
     It is 0 for most current (2.0) PCI cards, but is supposed to be loaded
     with a unique card identification code in newly developed PCI cards.  The
     field consists of the card ID in the upper half and the card vendor ID in
     the lower half of the value.

     The fourth column contains the chip device ID, which identifies the chip
     this card is based on.  It consists of two fields, identifying the chip
     and its vendor, as above.	The fifth column prints the chip's revision.
     The sixth column describes the header type.  Currently assigned header
     types are 0 for all devices except PCI to PCI bridges, and 1 for such
     bridge chips.  If the most significant bit of the header type register is
     set for function 0 of a PCI device, it is a multi-function device, which
     contains several (similar or independent) functions on one chip.

     All invocations of pciconf except for -l require a selector of the form
     pcibus:device (optionally followed by :function).	A final colon may be
     appended and will be ignored; this is so that the first column in the
     output of pciconf -l can be used without modification.  All numbers are
     base 10.

     With the -a flag, pciconf determines whether any driver has been assigned
     to the device identified by selector.  An exit status of zero indicates
     (two-byte) operation.  The default is to read or write a longword (four
     bytes).


ENVIRONMENT

     The PCI vendor/device information database is normally read from
     /usr/share/misc/pci_vendors.  This path can be overridden by setting the
     environment variable PCICONF_VENDOR_DATABASE.


SEE ALSO

     ioctl(2), kldload(8)


HISTORY

     The pciconf utility appeared first in FreeBSD 2.2.  The -a option was
     added for PCI KLD support in FreeBSD 3.0.


AUTHORS

     The pciconf utility was written by Stefan Esser and Garrett Wollman.


BUGS

     The -b and -h options are implemented in pciconf, but not in the underly-
     ing ioctl(2).

     It might be useful to give non-root users access to the -a and -r
     options.  But only root will be able to execute a kldload to provide the
     device with a driver KLD, and reading of configuration space registers
     may cause a failure in badly designed PCI chips.

FreeBSD 5.4		       February 7, 1997 		   FreeBSD 5.4

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