Re: [PATCH v4 06/15] nvme: Rapid Path Failure Recovery read controller identify fields

From: Randy Jennings

Date: Thu May 14 2026 - 22:03:50 EST


On Fri, Mar 27, 2026 at 5:45 PM Mohamed Khalfella
<mkhalfella@xxxxxxxxxxxxxxx> wrote:
>
> TP8028 Rapid path failure added new fileds to controller identify
> response. Read CIU (Controller Instance Uniquifier), CIRN (Controller
> Instance Random Number), and CCRL (Cross-Controller Reset Limit) from
> controller identify response. Expose CIU and CIRN as sysfs attributes
> so the values can be used directrly by user if needed.
>
> Signed-off-by: Mohamed Khalfella <mkhalfella@xxxxxxxxxxxxxxx>
> Reviewed-by: Hannes Reinecke <hare@xxxxxxx>
> Reviewed-by: Sagi Grimberg <sagi@xxxxxxxxxxx>

Reviewed-by: Randy Jennings <randyj@xxxxxxxxxxxxxxx>