[Qemu-devel] Re: [PATCH] qemu: make virtio-blk PCI compliant by default

[john cooper]

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.

Thanks,

-john

-- 
address@hidden