Re: [Qemu-devel] virtio-blk-pci: how to tell if it is CD or HDD?

[Nikunj A Dadhania]

Alexey Kardashevskiy <address@hidden> writes:

>
> "address@hidden" -> ""? This is a generic scsi bus, cannot change this.
> "address@hidden,2" -> "address@hidden"? This is a generic scsi-cd, cannot
> change this either
>
>
>> On top of this, fix the remaining QEMU->OF differences using a callback
>> in QEMUMachine.  This callback would be called by
>> qdev_get_fw_dev_path_helper and, if it returns something non-NULL, the
>> result would be used instead of calling bus_get_fw_dev_path.
>
>
> A single machine callback which will recognize all possible bootable
> devices and replace things like "address@hidden,2" -> "address@hidden"? Hm.

That is constructed in SLOF/board-qemu/slof/vio-vscsi.fs:

\ We use SRP luns of the form 8000 | (bus << 8) | (id << 5) | lun
\ in the top 16 bits of the 64-bit LUN

bus is target here. I guess that could be handled in Qemu, and both need
to be in sync.

Regards
Nikunj