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From: | john cooper |
Subject: | Re: [Qemu-devel] virtio block device and sysfs |
Date: | Mon, 22 Mar 2010 12:33:33 -0400 |
User-agent: | Thunderbird 2.0.0.9 (X11/20071115) |
Jamie Lokier wrote: > john cooper wrote: >> 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. > > And it needn't have a 20 character limit. Technically yes it can be longer. Although IIRC the 20/21 byte assumption is fairly entrenched in related code. It may also be encouraged if the ATA interface is used to expose the data (under windows for instance). -john -- address@hidden
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