On Wed, Oct 19, 2016 at 03:33:33PM +0200, Laurent Vivier wrote:
>
>
> On 19/10/2016 14:25, David Gibson wrote:
> > The usual model for PCI IO with libqos is to use qpci_iomap() to map a
> > specific BAR for a PCI device, then perform IOs within that BAR using
> > qpci_io_{read,write}*().
> >
> >
On 19/10/2016 14:25, David Gibson wrote:
> The usual model for PCI IO with libqos is to use qpci_iomap() to map a
> specific BAR for a PCI device, then perform IOs within that BAR using
> qpci_io_{read,write}*().
>
> However, certain devices also have legacy PCI IO. In this case, instead of
> (
The usual model for PCI IO with libqos is to use qpci_iomap() to map a
specific BAR for a PCI device, then perform IOs within that BAR using
qpci_io_{read,write}*().
However, certain devices also have legacy PCI IO. In this case, instead of
(or as well as) being accessed via PCI BARs, the device