cvs commit: src/sys/dev/ata ata-all.c ata-all.h ata-card.c ata-lowlevel.c ata-pci.c ata-pci.h ata-queue.c

Roman Kurakin rik at
Fri Apr 16 05:31:32 PDT 2004

Søren Schmidt wrote:

> Right, it may break ATA on old devices though, but I guess none of 
> these drives are in use any more.

> The real problem here is that I cannot just use the latest ATA specs 
> (it would make my life *alot* simpler though :) ), I need to make 
> things work that are compatible to at least back to ATA rev3 so just 
> relying on things be obsoleted in the latest spec revision doesn't cut 
> it..

Thats why I was trying to find out other ways to solve my problem
rather than insist to remove this check :-)

>> Code I submitted was to make ata driver more verbose about CHS mode.
>> They still are not there and should be revised to make them possible to
>> apply to current code.
> I'll think about it, but since CHS mode is almost no longer used anyways
> and the info can pretty easily be calculated from the LBA's printed..

Yes, but hex format or printing CHS and LBA request would save some 
amount of time.

>> By the way, may be it would be a nice idea to warn users that they have
>> ATA_FLAG_54_58 bit off, and device will work in LBA mode not
>> in CHS as was before?
> Users wont notice at all, from users perspective the disk is just a 
> bunch of sectors,

> the interface method used to talk to the disk is nowhere to be seen...

Hm, I noticed interface method :-). My hdd started to work in CHS mode 
any notice to me), but only by its quarter. This sign was imposible to 
miss. Thats why
I ask you about additional verbosity.

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