[Qemu-devel] Re: [PATCH v3 08/13] pcie root port: implement pcie root port.

[Michael S. Tsirkin]

On Fri, Sep 24, 2010 at 02:38:09PM +0900, Isaku Yamahata wrote:
> On Wed, Sep 22, 2010 at 01:25:59PM +0200, Michael S. Tsirkin wrote:
> 
> > > +PCIESlot *pcie_root_init(PCIBus *bus, int devfn, bool multifunction,
> > > +                         const char *bus_name, pci_map_irq_fn map_irq,
> > > +                         uint8_t port, uint8_t chassis, uint16_t slot);
> > > +
> > 
> > I am a bit unhappy about all these _init functions.
> > Can devices be created with qdev? If they were
> > it would be possible to configure the system completely
> > from qemu command line.
> 
> That's very reasonable question.
> Once machine configuration file is supported, those initialization
> functions will go away.
> I.e. when the initialization code like pc_init1() in pc_piix.c disappears,
> those functions will also go away.
> 
> Until that, those initialization glues will stay like pci_create family
> or other many initialization glues unfortunately.
> This is the result of qdev missing a feature, not the cause.
> It would be a long-term issue to add machine configuration file support.

Just to clarify, if I wanted to have a flag to make virtio-net
a pci express device, how would I do this?

> -- 
> yamahata