Re: Do we still need the scsi IPR driver ?

Brian King
2022-06-21T20:36:12Z

On 6/19/22 11:48 PM, Damien Le Moal wrote:
>
> Polling people here: Do we still need the scsi IPR driver for IBM Power
> Linux RAID adapters (IBM iSeries: 5702, 5703, 2780, 5709, 570A, 570B
> adapters) ?
>
> The reason I am asking is because this driver is the *only* libsas/ata
> driver that does not define a ->error_handler port operation. If this
> driver is removed, or if it is modified to use a ->error_handler operation
> to handle failed commands, then a lot of code simplification can be done
> in libata, which I am trying to do to facilitate the processing of some
> special error completion for commands using a command duration limit.

We still need it around for now. IBM still sells these adapters
and they can still be ordered even on our latest Power 10 systems.

Thanks,

Brian

--
Brian King
Power Linux I/O
IBM Linux Technology Center