[PATCH v1 1/1] nvme: add admin controller support. prohibit ioq creation for admin & disco ctrlrs

[Niklas Cassel]

Hello Kamaljit,

On Fri, Mar 28, 2025 at 02:36:40PM -0700, Kamaljit Singh wrote:

Like Damien said,

> Added capability to connect to an administrative controller by
> preventing ioq creation for admin-controllers.

patch 2/4,
I think I deserve:
Suggested-by: Niklas Cassel <cassel at kernel.org>

on this patch.


> Also prevent ioq creation for discovery-controllers as the spec
> prohibits them.

patch 3/4


> 
> * Added nvme_admin_ctrl() to check for an administrative controller

This could be part of patch 2/4.


> 
> * Renamed nvme_discovery_ctrl() to nvmf_discovery_ctrl() as discovery is
>   more relevant to fabrics

patch 1/4, you need to move the function, but can keep the name.


> 
> * Similar to a discovery ctrl, prevent an admin-ctrl from getting a
>   smart log (LID=2). LID 2 is optional for admin controllers but in the
>   future when we add support for the newly added LID=0 (supported log
>   pages), we can make GLP accesses smarter by basing such calls on
>   response from LID=0 reads.

patch 4/4


> 
> Signed-off-by: Kamaljit Singh <kamaljit.singh1 at wdc.com>


Kind regards,
Niklas