MPT(4) Device Drivers Manual MPT(4)

mptLSI Fusion-MPT SCSI/Fibre Channel driver

mpt* at pci? dev ? function ?
scsibus* at mpt?

The mpt driver provides support for the LSI Logic Fusion-MPT family of SCSI and Fibre Channel and SAS controllers:

The mpt driver supports the ‘Integrated RAID’ (IR) functionality on controllers where it is available. Integrated RAID messages from the controller will be output on the system console. For example:

mpt2: Integrated RAID Event: volume 0 status: degraded, enabled, resyncing

Status of the logical disk, as well as the disks associated with it, can be viewed through the bioctl(8) utility.

bio(4), cd(4), ch(4), intro(4), pci(4), scsi(4), sd(4), siop(4), st(4), uk(4), bioctl(8)

The mpt driver first appeared in NetBSD 2.0.

The mpt driver was originally written for FreeBSD by Greg Ansley . It was ported to NetBSD by Jason R. Thorpe and contributed by Wasabi Systems, Inc.

July 27, 2026 NetBSD 11.99