Marc Haber wrote: > Hi, > > On Mon, Mar 22, 2010 at 10:22:14AM -0400, john cooper wrote: >> Marc Haber wrote: >>> It the serial "number" can be alphanumeric, that would be great to have. >> It is simply a string of 20 characters, which AFAICT has >> its roots in the ATA S/N convention along with many other >> puzzling present day evils. > > That would be enough for my purposes, but more would be acceptable as > well.
Internally the s/n string is currently limited to 20 bytes. >> All that said, I like the alternate choice of adding a >> special virtio request far better. It is actually simpler >> (and more maintainable IMO) than going through the >> gyrations of stuffing the S/N data through PCI config >> space. > > Whatever is more easily implemented ;) How would a Windows > installation see the label then? Unknown at this point. That was part of my earlier motivation to package up this information as an ATA_IDENTIFY command which AFAIK is digestible by windows. > Has my wish made its way on the official wishlist and/or roadmap? I submitted a virtio-based patch a few weeks ago. I'd been waiting for a reply from you concerning the /sys support you'd mentioned. If that plan has fallen by the wayside I'll forward a more robust ioctl patch to Rusty so we can tie this off. -john -- john.coo...@redhat.com