On Mon, 21 May 2007 11:07:07 +0200, Christian Borntraeger <[EMAIL PROTECTED]> wrote:
> > This is quite easy with KVM. I like the approach that vmchannel has > > taken. A simple PCI device. That gives you a discovery mechanism for > > shared memory and an interrupt and then you can just implement a ring > > queue using those mechanisms (along with a PIO port for signaling from > > the guest to the host). So given that underlying mechanism, the > > question is how to expose that within the guest kernel/userspace and > > within the host. > > Sorry for answering late, but I dont like PCI as a device bus for all > platforms. s390 has no PCI and s390 has no PIO. I would prefer a new > simple hypercall based virtual bus. I dont know much about windows > driver programming, but I guess it it is not that hard to add a new bus. Agreed. Moreover, if you have an existing OS running on a non-pci platform, it will be far more likely that they will be able to write a driver against a simple hypercall-based bus than to cook up a full-blown pci interface. ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ _______________________________________________ kvm-devel mailing list kvm-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/kvm-devel
