On 16.01.2013, at 17:46, Richard Henderson wrote: > $SUBJECT reminds me that the tcg s390x port is now prepared > to implement channel insns, but previously there were no > channels worth talking about: > >> /* I/O Instructions. For each we simply indicate non-operation. */ >> C(0xb276, XSCH, S, Z, 0, 0, 0, 0, subchannel, 0) >> C(0xb230, CSCH, S, Z, 0, 0, 0, 0, subchannel, 0) >> C(0xb231, HSCH, S, Z, 0, 0, 0, 0, subchannel, 0) >> C(0xb232, MSCH, S, Z, 0, 0, 0, 0, subchannel, 0) >> C(0xb23b, RCHP, S, Z, 0, 0, 0, 0, subchannel, 0) >> C(0xb238, RSCH, S, Z, 0, 0, 0, 0, subchannel, 0) >> C(0xb233, SSCH, S, Z, 0, 0, 0, 0, subchannel, 0) >> C(0xb234, STSCH, S, Z, 0, 0, 0, 0, subchannel, 0) >> C(0xb235, TSCH, S, Z, 0, 0, 0, 0, subchannel, 0) > > With a bit of help, I can make these emulated insns implement > virtio as well. Cool! I would assume that http://marc.info/?l=linux-s390&m=135488344028834&w=2 and most of this thread http://lists.gnu.org/archive/html/qemu-devel/2012-12/msg00837.html would be enough help to actually implement them. Though I'd personally prefer if we can get the IBM folks to do a proper implementation that works for KVM first. Once that is there, doing the rest of the plumbing shouldn't be too hard. Alex -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
