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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