Re: [Qemu-devel] Re: Commit 622b520f changed -drive if=scsi, index=N, intentional?

[Hannes Reinecke]

On 01/27/2011 08:26 PM, Gerd Hoffmann wrote:
>   Hi,
> 
>>           } else if (!strcmp(buf, "scsi")) {
>>              type = IF_SCSI;
>> -            max_devs = MAX_SCSI_DEVS;
>> +            max_devs = 7;
> 
>> That's very obviously not much more than a hack, but I don't think
>> blockdev.c can get the real number easily (please prove me wrong). With
>> this hack, we would get the old behaviour for -drive (which doesn't use
>> any other controller anyway) and you can still use -device to attach
>> more devices to a non-lsi bus.
> 
> Looks sensible to me.  scsi controllers with more than 7 devs (megasas
> and whatever else might be coming, virtio?) can't be added via if=scsi
> legacy syntax and must use -blockdev and -device anyway.
> 
> We probably want add a comment explaining this though.
> 
Yes please. It's a bit non-obvious that 'scsi' means in fact 'lsi'.

As long as there a way of specifying more than 8 devs
I'm fine with that patch.

Cheers,

Hannes
-- 
Dr. Hannes Reinecke                   zSeries & Storage
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