[ofa-general] Re: IsSMdisabled and user_mad.c

[Hal Rosenstock]

Sorry if you get this twice; somehow the original cc address was munged...

On Tue, 2007-03-20 at 19:19, Roland Dreier wrote:
>  > Currently user_mad.c does not currently support the IsSMdisabled
>  > capability mask bit in PortInfo attribute. I propose adding support for
>  > a per port issmdisabled similar to issm in user_mad.c. I also think an
>  > API change may not be necessary as applications can deal with the lack
>  > of this file gracefully. If this sounds acceptable, I will work on a
>  > patch for this. Thanks.
> 
> I guess it's OK, although I would also like to know how you plan to
> handle the interaction between IsSM and IsSMDisabled -- eg what if a
> process opens issm0 and then another process tries to open
> issmdisabled0?  Or conversely if issmdisabled0 is open, what happens
> when someone opens issm0?

I would think those are error cases. Does that make sense ? If so, what
error makes most sense ? EINVAL or something else ?

-- Hal

>  - R.