libnvme questions

[Keith Busch]

On Thu, Apr 08, 2021 at 01:21:26PM +0530, Padmakar Kalghatgi wrote:
> On Thu, Apr 08, 2021 at 08:37:06AM +0900, Keith Busch wrote:
> > On Wed, Apr 07, 2021 at 06:08:06PM +0530, Padmakar Kalghatgi wrote:
> > > Since most of the companies who develop SSDs, use MI(sideband) channel, we think this will be a good enhancement to the existing functionality which the nvme-cli provides.
> > 
> > Can we even use this from a Linux host? I thought the sideband channel
> > was typically connected to the baseboard management controller.
> > 
> Yes, this can be used from Linux host by having additional hardwares, like TotalPhase's aardvark, Corelis etc, which are connected to the NVMe device.

That doesn't sound something for end users, but okay. Can we see the
nvme-mi bus driver before considering tools and emulation?