On Tuesday 03 March 2009 20:50:16 Marcelo Tosatti wrote:
> On Mon, Mar 02, 2009 at 04:29:26PM +0800, Sheng Yang wrote:
> > Try to figure out device capability in update_dev_cap(). Now we are only
> > care about MSI capability.
> >
> > The function pci_find_cap_offset original function wrote by Allen for
> > Xen. Notice the function need root privilege to work. This depends on
> > libpci to work.
> >
> > Signed-off-by: Allen Kay <allen.m.kay@xxxxxxxxx>
> > Signed-off-by: Sheng Yang <sheng@xxxxxxxxxxxxxxx>
> > ---
> > qemu/hw/device-assignment.c | 29 +++++++++++++++++++++++++++++
> > qemu/hw/device-assignment.h | 1 +
> > 2 files changed, 30 insertions(+), 0 deletions(-)
> >
> > diff --git a/qemu/hw/device-assignment.c b/qemu/hw/device-assignment.c
> > index c9a3b8e..fc05ac7 100644
> > --- a/qemu/hw/device-assignment.c
> > +++ b/qemu/hw/device-assignment.c
> > @@ -219,6 +219,35 @@ static void assigned_dev_ioport_map(PCIDevice
> > *pci_dev, int region_num, (r_dev->v_addrs + region_num));
> > }
> >
> > +static uint8_t pci_find_cap_offset(struct pci_dev *pci_dev, uint8_t cap)
> > +{
> > + int id;
> > + int max_cap = 48;
> > + int pos = PCI_CAPABILITY_LIST;
>
> Don't you need to handle cardbus capability list offset?
I think cardbus and PCI bridge are out of our scope for now... Maybe we should
prohibit from assigning them.
--
regards
Yang, Sheng
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