Re: [PATCH v6 1/8] scsi: libsas: Add sas_ata_device_link_abort()

From: Niklas Cassel
Date: Mon Oct 17 2022 - 06:52:39 EST


On Mon, Oct 17, 2022 at 05:20:28PM +0800, John Garry wrote:
> Similar to how AHCI handles NCQ errors in ahci_error_intr() ->
> ata_port_abort() -> ata_do_link_abort(), add an NCQ error handler for LLDDs
> to call to initiate a link abort.
>
> This will mark all outstanding QCs as failed and kick-off EH.
>
> Note:
> A "force reset" argument is added for drivers which require the ATA error
> handling to always reset the device.
>
> A driver may require this feature for when SATA device per-SCSI cmnd
> resources are only released during reset for ATA EH. As such, we need an
> option to force reset to be done, regardless of what any EH autopsy
> decides.
>
> The SATA device FIS fields are set to indicate a device error from
> ata_eh_analyze_tf().
>
> Suggested-by: Damien Le Moal <damien.lemoal@xxxxxxxxxxxxxxxxxx>
> Suggested-by: Tested-by: Niklas Cassel <niklas.cassel@xxxxxxx>

Nit: is this perhaps a typo?
(Since there is another Tested-by tag later in the list.)

Checkpatch doesn't complain, so I guess no biggie,
but might be worth fixing if you decide to roll a v7.


Kind regards,
Niklas

> Signed-off-by: John Garry <john.garry@xxxxxxxxxx>
> Tested-by: Damien Le Moal <damien.lemoal@xxxxxxxxxxxxxxxxxx>
> Reviewed-by: Jason Yan <yanaijie@xxxxxxxxxx>
> Tested-by: Niklas Cassel <niklas.cassel@xxxxxxx> # pm80xx