svn commit: r186878 - head/sys/dev/mpt
jhb at freebsd.org
Thu Jan 15 07:46:54 PST 2009
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
> 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
It is likely going to need a lot of sprinkled htole*() and letoh*() though.
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