[ofa-general] [PATCH] libibumad: support for new pkey enabled user_mad API

[Sasha Khapyorsky]

On 12:38 Thu 01 Nov     , Sasha Khapyorsky wrote:
> On 11:19 Thu 01 Nov     , Yevgeny Kliteynik wrote:
> > >  +	if (abi_version > 5)
> > > +		new_user_mad_api = 1;
> > > +	else {
> > > +		int ret = ioctl(fd, IB_USER_MAD_ENABLE_PKEY, NULL);
> > >   
> >  I got (ret = -1) and (errno = 515)
> 
> It is ENOIOCTLCMD,

OTOH it is defined in include/linux/errno.h under #ifdef __KERNEL__
and with caution: /* Should never be seen by user programs */

Roland! Any idea?

Sasha

> and it is correct value when unlocked_ioctl() method
> is not defined by driver. So I think we need to handle this one too.
> 
> > > +		if (ret == 0)
> > > +			new_user_mad_api = 1;
> > > +		else if (ret < 0 && errno == EINVAL)
> > > +			new_user_mad_api = 0;
> > >   +		else {
> > >   
> >  So eventually I got here.
> >  I have kernel 2.6.9-42.
> 
> I will send update soon.
> 
> Sasha