> On Wed, Jul 11, 2012 at 8:28 AM, Stefan Fritsch <s...@sfritsch.de> wrote: > > There is a virtio-scsi device, too, but this is only supported in very > > recent versions of qemu. To attach the simpler virtio-block device as scsi, > > the driver would have to emulate the scsi commands. Is there some generic > > infrastructure to do that? Or which driver would you recommend to take the > > emulation code from? sys/dev/ata/atascsi.c seems rather complex (it is twice > > the size of sys/dev/pci/viod.c). > > There are quite a few pretendy-SCSI drivers in the tree, but most of > them deal with fairly complicated hardware so they're not good > reference points. > > sparc64's vdsk(4) driver is probably the best reference point, since > it's also for a virtual disk driver (see sys/arch/sparc64/dev/vdsk.c).
Oh yes, vdsk(4) is also a good suggestion.
