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NAME    [Toc]    [Back]

     pci - introduction to PCI bus support

SYNOPSIS    [Toc]    [Back]

     # alpha
     pci* at apecs?
     pci* at cia?
     pci* at irongate?
     pci* at lca?
     pci* at tsp?

     # amd64, i386
     pci* at mainbus0 bus ?

     # cats
     pci0 at footbridge?

     # hppa
     pci* at dino?

     # macppc
     pci* at mpcpcibr?

     # sparc64
     pci* at psycho?
     pci* at schizo?

     # all architectures
     pci* at pchb? bus ?
     pci* at ppb? bus ?

DESCRIPTION    [Toc]    [Back]

     The system includes a machine-independent PCI bus  subsystem
and several
     machine-independent PCI device drivers.

     Your system may support additional PCI devices.  Drivers for
PCI devices
     not listed here are machine-dependent.   Consult  your  system's intro(4)
     for additional information.

   Details specific to the i386    [Toc]    [Back]
     Note  that  interrupt  mappings on the i386 may require that
you configure
     your BIOS to reserve sufficient interrupts  as  "PCI/ISAPnP"
so that there
     are sufficient interrupts remaining to configure the discovered PCI devices.
  For more information, see pcibios(4).

SUPPORTED DEVICES    [Toc]    [Back]

     The system includes machine-independent PCI drivers,  sorted
by device
     type and driver name:

   SCSI host adapters    [Toc]    [Back]
        adv(4), adw(4)
                    AdvanSys PCI SCSI interfaces.
        ahc(4)       Adaptec  27xx,  29xx, 39xx, 29160, and other
                    SCSI interfaces.
        ahd(4)      Adaptec PCI/PCI-X Ultra320 AIC79xx-based SCSI
        bha(4)      Buslogic BT-9xx SCSI interfaces.
        iha(4)       Initio  INIC-940 and INIC-950 based SCSI interfaces.
        isp(4)      QLogic ISP-1020, ISP-1040, and ISP-2100  SCSI
                    FibreChannel interfaces.
        mpt(4)      LSI Fusion-MPT SCSI/Fibre Channel interfaces.
        ncr(4), siop(4)
                    LSI/Symbios Logic/NCR 53c8xx and 53c1010-family SCSI interfaces.

        pcscp(4)    AMD Am53c974 PCscsi-PCI SCSI interfaces.
        trm(4)       Tekram DC-3x5U (TRM-S1040 based) SCSI interfaces.

   IDE disk controllers    [Toc]    [Back]
        pciide(4)   PCI IDE controller driver.

   RAID and cache controllers    [Toc]    [Back]
        aac(4)      Adaptec "FSA" family (Adaptec AAC, Dell PERC,
HP NetRaid)
                    RAID controllers.
        ami(4)       American  Megatrends  Inc.   MegaRAID family
RAID controllers.

        cac(4)      Compaq Smart ARRAY RAID controllers.
        dpt(4)      DPT SmartCache/SmartRAID III and IV SCSI controllers.
        gdt(4)      ICP-Vortex GDT RAID controllers.
        iop(4)      Generic I2O specification RAID controllers.
        twe(4)      3ware Escalade RAID controllers.

   Network interfaces    [Toc]    [Back]
        an(4)         Aironet   Communications   4500/4800   IEEE
802.11DS wireless
                    network adapter.
        atw(4)       ADMtek  ADM8211  802.11   wireless   network
        bce(4)      Broadcom BCM4401 Ethernet.
        bge(4)      Broadcom BCM570x PCI Gigabit Ethernet.
        dc(4)        Various  Tulip-like Ethernet interfaces such
as the DEC/Intel
 21143;  Macronix  98713,  98713A,  98715,
98715A, 98725,
                    98727, and 98732; Davicom DM9100, DM9102, and
                    ASIX Electronics AX88140A and AX88141; ADMtek
AL981 Comet
                    and   AN983  Centaur-P;  Lite-On  82c168  and
82c169 PNIC; and
                    Lite-On/Macronix 82c115 PNIC II.
        de(4)       DEC DC21x4x  (Tulip)  based  Ethernet  interfaces, including
                    the  DE435,  DE450,  DE500;  Znyx  ZX3xx; SMC
8432, 9332, 9334;
                    Cogent/Adaptec EM100FX and EM440TX;  and  Asante single- and
                    multi-port  Ethernet  interfaces.  Multi-port
interfaces are
                    typically configured as PCI-PCI bridges  with
                    de(4)  instances  on the PCI bus on the other
side of the
        em(4)       Intel Gigabit Ethernet interfaces.   (i82542,
        en(4)        Midway-based  Efficient  Networks  Inc.  and
Adaptec ATM interfaces.

        ep(4)       3Com 3c590 and 3c595 Ethernet interfaces.
        fpa(4)      DEC DEFPA FDDI interfaces.
        fxp(4)      Intel EtherExpress PRO 10+/100B Ethernet  interfaces.
        gem(4)       Sun  GEM and Apple GMAC Gigabit Ethernet interfaces.
        le(4)       PCNet-PCI Ethernet interfaces.
        lge(4)      Level 1  LXT1001  NetCellerator  PCI  Gigabit
        lmc(4)      Lan Media Corporation SSI/DS1/HSSI/DS3 interfaces.
        mtd(4)      Myson Technologies MTD803 3-in-1 Fast  Ethernet interfaces.
        ne(4)       NE2000-compatible Ethernet interfaces.
        nge(4)       National  Semiconductor  DP83820 and DP83821
based Gigabit
        re(4)       RealTek 8139C+/8169/8169S/8110S Ethernet  interfaces.
        rl(4)       Realtek 8129/8139 Ethernet interfaces.
        san(4)      Sangoma Technologies AFT T1/E1 Network interfaces.
        sf(4)       Adaptec AIC-6915 "Starfire"  Ethernet  interfaces.
        sis(4)       SiS  900,  SiS 7016, and NS DP83815 Ethernet
        sk(4)       SysKonnect SK-984x  Gigabit  Ethernet  interfaces.
        ste(4)       Sundance  Technologies ST201 Ethernet interfaces.
        stge(4)      Sundance/Tamarack  TC9021  Gigabit  Ethernet
        ti(4)        Alteon Networks Tigon I and Tigon II Gigabit
Ethernet interfaces.

        tl(4)       Texas Instruments  ThunderLAN-based  Ethernet
        tx(4)       SMC 9432 10/100 Mbps Ethernet interfaces.
        txp(4)       3Com  3XP  Typhoon/Sidewinder (3C990) 10/100
Mbps Ethernet
        vr(4)       VIA Technologies VT3043 and VT86C100A  Ethernet interfaces.
        wb(4)       Winbond W89C840F Ethernet interfaces.
        wi(4)        WaveLAN/IEEE  and PRISM-II 802.11DS wireless
network interfaces
  behind  a  PLX  905x-based  dumb  PCMCIA->PCI bridge.
        xl(4)        3Com  3c555, 3c556, 3c900, 3c905, 3c980, and
3cSOHO Ethernet

   Cryptography accelerators    [Toc]    [Back]
        hifn(4)     Hifn 7751, 7811, and 7951.  Symmetric Encryption Accelerator.

        ises(4)     Pijnenburg PCC-ISES hardware crypto accelerator.
        lofn(4)     Hifn 6500 crypto accelerator.
        noct(4)     NetOctave NSP2000 crypto accelerator.
        nofn(4)     Hifn 7814, 7851 and 7854 crypto processor.
        safe(4)     Safenet SafeXcel 1141/1741  crypto  accelerator.
        ubsec(4)    Broadcom Bluesteelnet uBsec 5501, 5601, 5805,
5820, and

   Serial interfaces    [Toc]    [Back]
        cy(4)        Cyclades  Cyclom-4Y,  -8Y,  and  -16Y  asynchronous serial communications
        cz(4)        Cyclades-Z  series multi-port serial adapter
device driver.

   Display adapters    [Toc]    [Back]
        vga(4)      VGA graphics cards.

   Audio devices    [Toc]    [Back]
        auich(4)    Integrated Intel 82801AA/AB/BA/CA  and  440MX
sound devices.
        autri(4)    Trident 4DWAVE-DX/NX, SiS 7018, ALi M5451 audio devices.
        auvia(4)    Integrated AC97 audio controller of  the  VIA
                    VT82C686A,   VT8233,  VT8235,  VT8237  Southbridges.
        clcs(4)     Cirrus Logic CrystalClear  CS4280  sound  devices.
        clct(4)      Cirrus  Logic  CrystalClear CS4281 sound devices.
        cmpci(4)    C-Media CMI8x38 sound devices.
        eap(4)      Ensoniq AudioPCI sound devices.
        emu(4)      Creative Labs SBLive! and PCI 512  audio  device driver.
        esa(4)      ESS Alegro 1 and Maestro 3 sound devices.
        eso(4)      ESS Solo-1 PCI AudioDrive sound devices.
        fms(4)      Forte Media FM801 sound devices.
        maestro(4)  ESS Maestro 1, 2 and 2E sound devices.
        neo(4)      NeoMagic 256AV/ZX sound devices.
        sv(4)       S3 SonicVibes sound devices.
        yds(4)      Yamaha DS-XG sound devices.

   Radio receiver devices    [Toc]    [Back]
        fms(4)       SoundForte  RadioLink  SF64-PCR,  SoundForte
Quad X-treme
                    SF256-PCP-R and  SoundForte  Theatre  X-treme
5.1 SF256-PCS-R
                    FM radio devices driver.
        gtp(4)      Gemtek PCI FM radio device driver.

   Miscellaneous devices    [Toc]    [Back]
        amdpm(4)    AMD768 Power Management controller.
        bktr(4)      Brooktree Bt848 PCI TV tuners and video capture boards.
        cbb(4)      PCI Yenta compatible CardBus bridges.
        ehci(4)     USB EHCI host controller.
        ohci(4)     USB OHCI host controller.
        pcic(4)     PCI PCMCIA controllers, including the  Cirrus
Logic GD6729.
        ppb(4)      Generic PCI-PCI bridges, including PCI expansion backplanes.

        puc(4)      PCI ``universal'' communications cards,  containing com(4)
                    and lpt(4) communications ports.
        uhci(4)     USB UHCI host controller.
        wdt(4)      ICS PCI-WDT500/501 watchdog timer devices.

IOCTLS    [Toc]    [Back]

     If  the  kernel is compiled with the USER_PCICONF kernel option, the following
 ioctl(2) calls are supported by the pci driver.  They
are defined
     in the header file <sys/pciio.h>.

     PCIOCREAD         This  ioctl(2) reads the PCI configuration
                      specified by the  passed-in  pci_io  structure.  The pci_io
                      structure consists of the following fields:

                      pi_sel    A pcisel structure  which  specifies the bus,
                                slot  and function the user would
like to

                      pi_reg    The  PCI  configuration  register
the user would
                                like to access.

                      pi_width   The width, in bytes, of the data
the user
                                would like to read.   This  value
can be only 4.

                      pi_data    The data returned by the kernel.

     PCIOCWRITE       This ioctl(2) allows users to write to  the
PCI specified
                      in  the  passed-in  pci_io  structure.  The
pci_io structure
                      is described above.  The limitations on data width described
  for reading registers, above, also
apply to
                      writing PCI configuration registers.

FILES    [Toc]    [Back]

     /dev/pci  Character device for the pci driver.

SEE ALSO    [Toc]    [Back]

     aac(4),  adv(4),  adw(4),  ahc(4),  ahd(4),  ami(4),  an(4),
apecs(4), atw(4),
     auich(4),  autri(4),  auvia(4),  bce(4), bge(4), bha(4), bktr(4), cac(4),
     cardbus(4),  cia(4),  clcs(4),  clct(4),  cmpci(4),   cy(4),
cz(4), dc(4),
     de(4),  dino(4),  dpt(4),  eap(4),  ehci(4), eisa(4), em(4),
emu(4), ep(4),
     esa(4),  eso(4),  fms(4),  footbridge(4),  fpa(4),   fxp(4),
gdt(4), gtp(4),
     hifn(4),  iha(4), intro(4), iop(4), irongate(4), isa(4), isapnp(4),
     ises(4), isp(4), lca(4),  le(4),  lge(4),  lmc(4),  lofn(4),
     mpt(4),  ncr(4),  ne(4),  neo(4),  nge(4), noct(4), nofn(4),
     options(4), pchb(4), pcib(4), pcic(4), pcmcia(4),  pcscp(4),
     psycho(4), puc(4), re(4), rl(4), safe(4), san(4), schizo(4),
     siop(4),  sis(4),  sk(4),  ste(4),  stge(4),  sv(4),  ti(4),
tl(4), trm(4),
     tsp(4),  twe(4),  tx(4),  txp(4), ubsec(4), uhci(4), usb(4),
vga(4), vr(4),
     wb(4), wdt(4), wi(4), xl(4), yds(4)

HISTORY    [Toc]    [Back]

     The machine-independent PCI subsystem  appeared  in  OpenBSD
2.0.  Support
     for  device  listing and matching was re-implemented by Kenneth Merry, and
     first appeared in FreeBSD 3.0.

OpenBSD     3.6                           June      22,      2004
[ Back ]
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