On Mon, Nov 08, 2010 at 07:29:50PM +0200, Gleb Natapov wrote:
> On Mon, Nov 08, 2010 at 07:17:37PM +0200, Michael S. Tsirkin wrote:
> > On Sun, Oct 31, 2010 at 01:40:08PM +0200, Gleb Natapov wrote:
> > > Domain should be determined form parent bus and bus number is configured
> > > by guest and should not be used in qemu internally.
> > >
> > > Signed-off-by: Gleb Natapov <gleb@xxxxxxxxxx>
> > > ---
> > > hw/pci.c | 11 ++++++-----
> > > 1 files changed, 6 insertions(+), 5 deletions(-)
> > >
> > > diff --git a/hw/pci.c b/hw/pci.c
> > > index 92aaa85..1c5706f 100644
> > > --- a/hw/pci.c
> > > +++ b/hw/pci.c
> > > @@ -2138,12 +2138,13 @@ static void pcibus_dev_print(Monitor *mon, DeviceState *dev, int indent)
> > > static char *pcibus_get_dev_path(DeviceState *dev)
> > > {
> > > PCIDevice *d = (PCIDevice *)dev;
> > > - char path[16];
> > > -
> > > - snprintf(path, sizeof(path), "%04x:%02x:%02x.%x",
> > > - pci_find_domain(d->bus), d->config[PCI_SECONDARY_BUS],
> > > - PCI_SLOT(d->devfn), PCI_FUNC(d->devfn));
> > > + char path[50];
> > > + int off;
> > >
> > > + off = snprintf(path, sizeof(path), "%s@%x", qdev_driver_name(dev),
> > > + PCI_SLOT(d->devfn));
> > > + if (PCI_FUNC(d->devfn))
> > > + snprintf(path + off, sizeof(path) + off, ",%x", PCI_FUNC(d->devfn));
> > > return strdup(path);
> > > }
> >
> > Can we change separators to be : and . instead of @ and , please?
> No. I am implementing well defined Open Firmware device path. Lets stop
> reinventing things wrongly please?
>
> > This will make it compatible with existing code and generally
> > what users expect.
> >
> It will drop domain and bus number part anyway.
Yes but most users at the moment have domain and bus 0 only.
So even simply adding 0000:00 prefix will work.
> --
> Gleb.
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