add virtio-scsi driver

virtio-scsi is a simple HBA that talks to the host via a single
vring.  The implementation looks like a hybrid of usb-msc and
virtio-blk.

Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
12 files changed
tree: 4564306081db09200a8c37d3a584c96a6585c88f
  1. src/
  2. tools/
  3. vgasrc/
  4. .gitignore
  5. COPYING
  6. COPYING.LESSER
  7. Makefile
  8. README
  9. TODO