On Fri, Jan 28, 2011 at 02:34:19PM +0100, Markus Armbruster wrote:
> Gleb Natapov <[email protected]> writes:
>
> > Signed-off-by: Gleb Natapov <[email protected]>
> > ---
> > hw/usb-msd.c | 2 ++
> > 1 files changed, 2 insertions(+), 0 deletions(-)
> >
> > diff --git a/hw/usb-msd.c b/hw/usb-msd.c
> > index 0a95d8d..46642a8 100644
> > --- a/hw/usb-msd.c
> > +++ b/hw/usb-msd.c
> > @@ -560,6 +560,7 @@ static int usb_msd_initfn(USBDevice *dev)
> > }
> > }
> >
> > + add_boot_device_path(s->conf.bootindex, &dev->qdev, "/disk@0,0");
> > return 0;
> > }
> >
> > @@ -624,6 +625,7 @@ static USBDevice *usb_msd_init(const char *filename)
> > static struct USBDeviceInfo msd_info = {
> > .product_desc = "QEMU USB MSD",
> > .qdev.name = "usb-storage",
> > + .qdev.fw_name = "storage",
> > .qdev.size = sizeof(MSDState),
> > .init = usb_msd_initfn,
> > .handle_packet = usb_generic_handle_packet,
>
> Out of curiosity, could you explain the logic behind fw name (as
> returned by qdev_fw_name()) and suffix (as passed to
> add_boot_device_path())?
They are defined by open firmware bus binding specs. You can find most
of them here: http://playground.sun.com/1275/bindings/. FW name is not
terribly important for SeaBIOS though. SeaBIOS ignores this part of
device name when it matches device path.
>
> qdev fw name suffix
> ----------------------------------------
> isa-fdc fdc /floppy@0
> scsi-disk disk ,0
> ide-drive drive /disk@0
> usb-storage storage /disk@0,0
> virtio-blk-pci virtio-blk /disk@0,0
virtio-blk-pci will be seen as scsi since it uses scsi pci class for pci
device.
--
Gleb.
