Re: [Qemu-devel] [PATCH 4/4] bochs-display: add pcie support

[Gerd Hoffmann]

On Fri, May 18, 2018 at 05:13:27PM +0200, Marc-André Lureau wrote:
> Hi
> 
> On Thu, May 17, 2018 at 11:25 AM, Gerd Hoffmann <address@hidden> wrote:
> > Signed-off-by: Gerd Hoffmann <address@hidden>
> > ---
> 
> Could you explain where the 0x80 offset comes from?

Pulled out of thin air.  Standard pci cfg space header size is 0x40, so
it must be between 0x40 and 0xff - sizeof(capability).  And it must not
overlap with other pci(e) capabilities (easy as this is the only one).
That are the only constrains I'm aware of.

cheers,
  Gerd