Rusty Russell wrote:
Too late, but no big deal. We just add another feature bit for the
new method. We can have a command virtqueue for queries such as this.
(Interestingly, this same issue broke lguest, with the 8-bit limit on
configuration space sizes).
I believe the existing guest visible interface
is preservable as-is without introducing any
ATA specific knowledge into the driver. A
trivial alternate R/O mapping for the page
into the guest is all that is required.
I ran out of time last week to tie this off
but hopefully will do so shortly.