MirOS Manual: iopsp(4)

IOPSP(4)                   BSD Programmer's Manual                    IOPSP(4)


     iopsp - I2O SCSI port driver


     iopsp* at iop? tid ?
     scsibus* at iopsp?


     The iopsp driver provides support for I2O SCSI bus adapter ports and
     child peripherals.

     IOPs present each child peripheral attached to a bus adapter port as an
     individual device. In order to present the appearance of a bus, the iopsp
     driver groups child peripherals by controlling port.

     On IOPs containing a SCSI port and block or tape driver modules, some
     SCSI devices may not be directly accessible. For each inaccessible dev-
     ice, a message will be displayed during configuration. For example:

             iopsp0: target 0,0 (tid 70): in use by tid 47

     Such devices will usually be indirectly accessible as block devices, ei-
     ther individually or as part of an array. For accessing these, there is
     the ioprbs driver.


     intro(4), iop(4), ioprbs(4), scsibus(4)


     The iopsp driver first appeared in NetBSD 1.6, OpenBSD support was added
     in OpenBSD 3.0.


     The iopsp driver was written by Andrew Doran <ad@netbsd.org> and ported
     to OpenBSD 3.0 by
     Niklas Hallqvist <niklas@openbsd.org> and
     Michael Shalayeff <mickey@openbsd.org>.

MirOS BSD #10-current          November 8, 1999                              1

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