svn commit: r186878 - head/sys/dev/mpt
marius at alchemy.franken.de
Thu Jan 15 12:07:57 PST 2009
On Thu, Jan 15, 2009 at 10:31:42AM -0500, John Baldwin 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.
Thanks for the pointer! I already had looked for it but didn't
manage to find it.
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