PCI PF memory decode disable when sizing VF BARs
John Baldwin
jhb at freebsd.org
Wed May 6 18:33:47 UTC 2015
On Wednesday, May 06, 2015 02:24:24 PM Ryan Stone wrote:
> On Wed, May 6, 2015 at 11:45 AM, John Baldwin <jhb at freebsd.org> wrote:
>
> > There are some devices with BARs in non-standard locations. :( If there is
> > a flag to just disable the VF bar decoding, then ideally we should just be
> > doing that and leaving the global decoding flag alone while sizing the VF
> > BAR.
> >
>
> Disabling SR-IOV BAR decoding in this function is currently redundant, as
> it's already done in pci_iov.c, but I guess to keep the interface sane it
> makes sense to do it here too. Something like this then?
Ah, sorry, I didn't know you did it in the caller already. Perhaps
then something more like your previous patch, but using the test you
added here (PCIR_IS_IOV) instead of your previous check against BAR
values to decide when to frob the command register?
--
John Baldwin
More information about the freebsd-current
mailing list