cvs commit: src/sys/dev/disk/sbp sbp.c

Hidetoshi Shimokawa simokawa at sat.t.u-tokyo.ac.jp
Sun Jan 18 06:29:04 PST 2004


At Sun, 18 Jan 2004 15:02:26 +0100,
Jeroen Ruigrok/asmodai wrote:
> 
> -On [20040118 09:42], Hidetoshi Shimokawa (simokawa at xxxxxxxxxxxxxxxxxxx) wrote:
> >As the nature of SBP-2, all commands are tagged and all target should
> >support tagged queuing. I know some drives does't work well
> >with command queue longer than 1, though. I digged the problem before and
> >found that this is not because the target drive doesn't support the
> >tagged queuing but it sometimes respones with bogus command chain
> >status and this confuses the initiater(sbp.c).
> 
> Does this imply we need to write quirk code for these kind of devices as
> well, like we do for USB SCSI devices?

Yes. We can add quirks in cam_xpt.c.

/\ Hidetoshi Shimokawa
\/  simokawa at xxxxxxxxxxxxxxxxxxx
PGP public key: http://www.sat.t.u-tokyo.ac.jp/~simokawa/pgp.html





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