svn commit: r222520 - head/sys/cam/ata

[Alexander Motin]

Goran Lowkrantz wrote:
> --On May 31, 2011 9:22:52 +0000 Alexander Motin <mav at FreeBSD.org> wrote:
>> Author: mav
>> Date: Tue May 31 09:22:52 2011
>> New Revision: 222520
>> URL: http://svn.freebsd.org/changeset/base/222520
>>
>> Log:
>>   Add quirks to hint 4K physical sector (Advanced Format) for ATA disks
>> not   reporting it properly (none? of known disks now).
>>
>>   Hitachi and WDC AF disks seem could be identified more or less
>> formally.
>>   For Seagate and Samsung enumerate some found models/series.
>>   For other disks it can be forced with kern.cam.ada.X.quirks=1 tunable.
> 
> Should this work with SAS/SATA cards like LSI 2008 (mps) too?

No. In that case controller or driver emulate SCSI disk devices. At this
moment "da" driver has no idea about physical sector size. I've paused
my work on full physical sector support due to lack of respective
hardware, but porting only these quirks should not be difficult.

-- 
Alexander Motin