Re: [PATCH 16/20] IB/mad: Add Intel Omni-Path Architecture defines

Hal Rosenstock
2015-01-16T14:56:11Z

On 1/15/2015 6:30 PM, Weiny, Ira wrote:
>>
>> On 1/12/2015 12:11 PM, ira.weiny-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org wrote:
>>> From: Ira Weiny <ira.weiny-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
>>>
>>> OPA_MIN_CLASS_VERSION -- OPA Class versions are > 0x80
>>> OPA_SMP_CLASS_VERSION -- Defined at 0x80 OPA_MGMT_BASE_VERSION --
>>> Defined at 0x80
>>>
>>> Increase max management version to accommodate OPA
>>
>> Allocation of MAD base and class version numbers is owned by the IBTA.
>> It doesn't seem appropriate to arbitrarily claim code points without proper
>> approval.
>
> OPA is its own architecture space. While this space uses some of the same values as
> IB we are not claiming any IBTA values.

You *are* claiming IBTA values. When the IBTA chooses to use those
values, then there will be a conflict.

-- Hal

> This is similar to how IB GIDs and IPv6 addresses look the same but are in separate addressing domains.
>
> Ira
>
>