support of PCIe NVME drives

[Miroslav Lachman]

Chuck Tuffli wrote on 04/16/2020 22:29:
> On Thu, Apr 16, 2020 at 12:30 PM Miroslav Lachman <000.fbsd at quip.cz> wrote:
>>
>> Pete Wright wrote on 04/16/2020 20:23:
>>>
>>>
>>> On 4/16/20 11:12 AM, Miroslav Lachman wrote:
>>>> Kurt Jaeger wrote on 04/16/2020 20:07:
>>
>>> I would try booting via UEFI if you can.  I just installed a laptop
>>> yesterday which has a nvme root device, it was detected by the 12-STABLE
>>> snapshot I used to boot from.  no other modifications were necessary on
>>> my end.
>>
>> I changed BIOS settings to use UEFI boot method, booted 12.1 installer
>> ISO but without luck. Still no NVME disks :(
>>
>> You can see it on printscreen from iDRAC https://ibb.co/tPnymL7
>>
>> Anything more I can test?
> 
> Fair warning, I don't deal much with Dell, but it's curious that iDrac
> lists the device protocol as MI
>> Device Protocol:      NVMe-MI1.0
> 
> MI or the Management Interface is defined by NVMe, but it isn't the
> same as a block interface. MI typically uses SMBUS and not PCIe to
> communicate with the device. So it's possible that the device is
> visible to iDrac via SMBUS but may not be on the PCIe bus for
> $reasons. Does iDrac have any tools to interact with the device via
> MI?

iDRAC does not allow me to do anything with the drives.
But I booted Linux SystemRescueCd and nvme devices are there visible in 
/dev/
printscreen https://ibb.co/sj22Nwg

So I think the HW is OK, but FreeBSD does not recognize the controller?

Kind regards
Miroslav Lachman