RE: [Xen-users] PIO from domU

Ian Pratt
Wed, 23 Nov 2005 22:23:09 -0000

> What do you envision to be a proper solution for this
> problem? Something along the lines of module running in domO
> capable grant access or transfer IO pages ownership to domU?
> Similar to existing grant_table interface?

We''ll have a dom0 op that enables a suitably privileged domain to
assign
one or more ranges of machine address space to another domain, and
update the ''failure path'' of get_page_from_l1e to try chcking
the
assigned ranges as a last resort.