[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Xen-devel] Notes from PCI Passthrough design discussion at Xen Summit

Hi Roger,

On 7/20/2017 1:54 PM, Roger Pau Monné wrote:
On Thu, Jul 20, 2017 at 09:24:36AM +0530, Manish Jaggi wrote:
Hi Punit,

On 7/19/2017 8:11 PM, Punit Agrawal wrote:
I took some notes for the PCI Passthrough design discussion at Xen
Summit. Due to the wide range of topics covered, the notes got sparser
towards the end of the session. I've tried to attribute names against
comments but have very likely got things mixed up. Apologies in advance.
Was curious if any discussions happened on the RC Emu (config space
emulation) as per slide 18
Part of this is already posted on the list (ATM for x86 only) but the
PCI specification (and therefore the config space emulation) is not
tied to any arch:

From the summary, I have a  questions on
 - Roger: Registering config space with Xen before device discovery
  will allow the hypervisor to set access traps for certain
 functionality as appropriate"

Traps will do emulation or something else ?
 Is the config space emulation only for DomU or it for Dom0 as well ?
Slide 18 shows only for DomU ?



Xen-devel mailing list



Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.