[RFC] nvme: Do not reject dynamic controller cntlid

Daniel Wagner dwagner at suse.de
Fri Jan 28 02:31:37 PST 2022


On Thu, Jan 27, 2022 at 09:17:58AM -0800, Keith Busch wrote:
> > +static inline bool nvme_ctrl_dynamic(struct nvme_ctrl *ctrl)
> > +{
> > +	return ctrl->cntlid == 0xffff;
> > +}
> 
> It's probably safe to assume 0xffff is dynamic, but spec suggests we
> check ID_CTRL.FCATT bit 0.

Okay, but this one is only defined for fabrics. I haven't found anything
so far which is equivalent to FCATT bit 0 for memory based transport.



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