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Date:      Tue, 20 Jan 2009 10:46:12 +0100
From:      Patrick Hurrelmann <outi@bytephobia.de>
To:        John Baldwin <jhb@freebsd.org>
Cc:        svn-src-head@freebsd.org, Marius Strobl <marius@freebsd.org>, src-committers@freebsd.org, svn-src-all@freebsd.org
Subject:   Re: svn commit: r186878 - head/sys/dev/mpt
Message-ID:  <20090120104612.2224983f@attini-ws2>
In-Reply-To: <200901151031.42725.jhb@freebsd.org>
References:  <200901072152.n07Lql7h000807@svn.freebsd.org> <200901151031.42725.jhb@freebsd.org>

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On Thu, 15 Jan 2009 10:31:42 -0500
John Baldwin <jhb@freebsd.org> wrote:

> On Wednesday 07 January 2009 4:52:47 pm Marius Strobl wrote:
> > Author: marius
> > Date: Wed Jan  7 21:52:47 2009
> > New Revision: 186878
> > URL: http://svn.freebsd.org/changeset/base/186878
> >
> > Log:
> >   Make the whole initiator mode part of mpt(4) endian-clean,
> >   specifically SPI controllers now also work in big-endian
> >   machines and some conversions relevant for FC and SAS
> >   controllers as well as support for ILP32 machines which all
> >   were omitted in previous attempts are now also implemented.
> >   The IOCTL-interface is intentionally left (and where needed
> >   actually changed) to be completely little-endian as otherwise
> >   we would have to add conversion code for every possible
> >   configuration page to mpt(4), which didn't seem the right
> >   thing to do, neither did converting only half of the user-
> >   interface to the native byte order.
> >   This change was tested on amd64 (SAS+SPI), i386 (SAS) and
> >   sparc64 (SAS+SPI). Due to lack of the necessary hardware
> >   the target mode code is still left to be made endian-clean.
> >
> >   Reviewed by:	scottl
> >   MFC after:	1 month
> 
> If you wish to test the mpt_user interface on a big-endian machine
> you may use //depot/jhb/raid/usr.sbin/mptutil/...
> 
> It is likely going to need a lot of sprinkled htole*() and letoh*()
> though.

Hi John,

great to hear that! I just checked out mptutil on 7.0 and it works
fine with a bunch of Dell PERC 5iR :)

Do you mind if i grab the sources and create a port of it? I guess many
people are eagerly waiting to monitor their mpt arrays as stated on
several lists. This would also give mptutil a much greater base of
testers.

Best regards
Patrick




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