diff options
| -rw-r--r-- | share/man/man4/mpt.4 | 51 |
1 files changed, 47 insertions, 4 deletions
diff --git a/share/man/man4/mpt.4 b/share/man/man4/mpt.4 index 2737432f45d..78556b9e1a3 100644 --- a/share/man/man4/mpt.4 +++ b/share/man/man4/mpt.4 @@ -1,4 +1,4 @@ -.\" $OpenBSD: mpt.4,v 1.1 2004/03/06 03:40:24 krw Exp $ +.\" $OpenBSD: mpt.4,v 1.2 2004/03/21 20:33:17 marco Exp $ .\" .\" Copyright (c) 2003 Wasabi Systems, Inc. .\" All rights reserved. @@ -38,14 +38,15 @@ .Os .Sh NAME .Nm mpt -.Nd LSI Fusion-MPT SCSI/Fibre Channel driver +.Nd LSI Fusion-MPT SCSI and FibreChannel host adapter driver .Sh SYNOPSIS .Cd "mpt* at pci? dev ? function ?" .Cd "scsibus* at mpt?" .Sh DESCRIPTION The .Nm -driver provides support for the LSI Logic Fusion-MPT family of +driver provides support +for the LSI Logic Fusion-MPT family of .Tn SCSI and .Tn Fibre Channel @@ -53,6 +54,9 @@ controllers: .Pp .Bl -bullet -compact -offset indent .It +53c1020 +.Pq Single Ultra320 Tn SCSI +.It 53c1030 .Pq Dual Ultra320 Tn SCSI .It @@ -68,6 +72,28 @@ FC919 FC929 .Pq Dual 2Gb/s Tn Fibre Channel .El +.Pp +The LSI Logic SCSI and Fibre Channel controllers contain firmware that presents +a multiprotocol service layer based on the LSI Logic Fusion-MPT architecture. +The firmware isolates the host drivers from the hardware and controls the +device side of the message passing interface to the host device drivers. +The firmware manages all phases of an I/O request and optimizes the interrupt +management for the system. +For Fibre Channel, the firmware also manages all FC-2 through FC-4 services, +which minimizes the amount of Fibre Channel unique services required with the +host driver. +.Pp +The MPI (Message Passing Interface) defintion includes a register-level +transport mechanism and a messaging protocol. +A system doorbell and message queues define the MPI transport interface. +Inbound Message Frames (MF), allocated in host memory, indentify I/O operations +to be performed by the IO Controller (IOC). +These operations are queued on the Request Queue by the host driver. +Outbound Message Frames, also in host memory, track I/O operations as they +complete. +These frames are queued on the Reply Queue by the IOC. +A doorbell mechanism is provided for IOC configuration, reset management, +and IOC status. .Sh SEE ALSO .Xr cd 4 , .Xr ch 4 , @@ -88,4 +114,21 @@ The .Om driver was ported from .Nx -by Milos Urbanek and Marco Peereboom. +by Milos Urbanek, Kenneth R. Westerback and Marco Peereboom. +.Sh BUGS +This driver does not function properly with MPT firmware levels higher than +1.03.00. +.Pp +The runtime MPT firmware is displayed under the REV heading for the 1020/1030 +chips during POST. +Example: +.Bd -literal +HBA ID LUN VENDOR PRODUCT REV SYNC WIDE +--- -- --- -------- ---------------- -------- ----- ---- + 0 7 0 LSILogic 1020/1030[ 102] 1013D00 320.0 16 + 1 7 0 LSILogic 1020/1030[ 102] 1013D00 320.0 16 +.Ed +.Pp +The version is 1013D00 which translates to 1.01.3D.00. +The last two digits are normally not used and it is written in decimal notation. +Thus making this example version 1.01.61. |