Excerpts from Frederic Barrat's message of 2016-07-06 19:38:18 +0200:
>
> > +/* No special handling for cxl function: */
> > +if (PCI_FUNC(dev->devfn) == 0)
> > +return true;
>
> I believe that is the first time we're getting a hint of the black magic
> which is going to occur wh
+ /* No special handling for cxl function: */
+ if (PCI_FUNC(dev->devfn) == 0)
+ return true;
I believe that is the first time we're getting a hint of the black magic
which is going to occur when the card is switched to cxl mode and the
appearance of a new pci func
From: Ian Munsie
This adds support for the peer model of the cxl kernel api to the
PowerNV PHB, and exports APIs to enable the mode, check if a PCI device
is attached to a PHB in this mode, and to set and get the peer AFU for
this mode.
The cxl driver will enable this mode for supported cards by
