qemu - some confusions

[kjonca@poczta.onet.pl (Kamil Jońca)]

I try to migrate some my ancient virutal machines from virtualbox to
qemu, and some things are unclear for me.
1. scsi devices:

--8<---------------cut here---------------start------------->8---
%qemu-system-x86_64 -device help|grep lsi      
name "lsi53c810", bus PCI                               
name "lsi53c895a", bus PCI, alias "lsi"
--8<---------------cut here---------------end--------------->8---

but in  /usr/share/libvirt/schemas/domaincommon.rng
we have:

--8<---------------cut here---------------start------------->8---
              <attribute name="model">
                <choice>
                  <value>auto</value>
                  <value>buslogic</value>
                  <value>lsilogic</value>
                  <value>lsisas1068</value>
                  <value>vmpvscsi</value>
                  <value>ibmvscsi</value>
                  <value>virtio-scsi</value>
                  <value>lsisas1078</value>
                  <value>virtio-transitional</value>
                  <value>virtio-non-transitional</value>
                </choice>
              </attribute>
--8<---------------cut here---------------end--------------->8---
what is relation between them?

I tried to edit machine via virsh and set "lsilogic" value. Machine
started and in command line I can see:
"[...] -device lsi,id=scsi0,bus=pci.4,addr=0x0 [..]"
so it is seem to be translated "lsilogic -> lsi".
Any hints about that? Point to proper doc?

Another (OT) question:  does anybody knows about places from I can take drivers
for these ( lsi53c810 , lsi53c895a) controllers for windows NT 4 and
windows 2000? 

KJ


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