[ofa-general] Re: [ewg] Re: pkey change handling patch

[Yosef Etigin]

Michael S. Tsirkin wrote:
>>Quoting Yosef Etigin <yosefe at voltaire.com>:
>>Subject: Re: [ewg] Re: pkey change handling patch
>>
>>Michael S. Tsirkin wrote:
>>
>>>>Quoting Moni Levy <monil at voltaire.com>:
>>>>Subject: Re: pkey change handling patch
>>>>
>>>>On 4/25/07, Roland Dreier <rdreier at cisco.com> wrote:
>>>>
>>>>
>>>>>If you want to tackle more of the cache elimination plan we discussed
>>>>>that would be great though.
>>>>>
>>>>
>>>>One more issue I looked into that in my opinion needs to be discussed
>>>>is that we do not have an easy api that should provide us with the
>>>>whole PKEY table and one for the whole GID table for a specific port.
>>>>I know that ib_process_mad can be used it's just not user friendly.
>>>>The only thing we have now is ib_query_pkey that gets us one pkey from
>>>>a specific index and is implemented to get the 32 pkeys chunks under
>>>>the hood (and something similar for gids). Do we need something like
>>>>ib_get_pkey_table & ib_get_gid_table calls ? Just an interesting fact:
>>>>ib_cache_update on a Mellanox card performs 64 + 64 + 1 = 129 commands
>>>>instead the really needed 5 :)
>>>
>>>
>>>If the intended usage is to speed up ib_cache_update, the point is
>>>moot I think since we agreed we are getting rid of it.
>>>
>>
>>Which source file the without-caching functions should go to?
> 
> 
> verbs.c?
> 
Shouldn't it be in device.c along with ib_query_gid and ib_query_pkey?