On Tue, Oct 18, 2016 at 03:28:17PM +0200, Laurent Vivier wrote:
>
>
> On 18/10/2016 12:52, David Gibson wrote:
> > The PCI IO space (aka PIO, aka legacy IO) and PCI memory space (aka MMIO)
> > are distinct address spaces by the PCI spec (although parts of one might be
> > aliased to parts of the
On 18/10/2016 12:52, David Gibson wrote:
> The PCI IO space (aka PIO, aka legacy IO) and PCI memory space (aka MMIO)
> are distinct address spaces by the PCI spec (although parts of one might be
> aliased to parts of the other in some cases).
>
> However, qpci_io_read*() and qpci_io_write*() can
The PCI IO space (aka PIO, aka legacy IO) and PCI memory space (aka MMIO)
are distinct address spaces by the PCI spec (although parts of one might be
aliased to parts of the other in some cases).
However, qpci_io_read*() and qpci_io_write*() can perform accesses to
either space depending on parame