Re: [PATCH v10 13/14] vfio-user: handle device interrupts

[Alex Williamson]

On Tue, 31 May 2022 15:01:57 +0000
Jag Raman <jag.raman@oracle.com> wrote:

> > On May 25, 2022, at 10:53 AM, Stefan Hajnoczi <stefanha@redhat.com> wrote:
> > 
> > On Tue, May 24, 2022 at 11:30:32AM -0400, Jagannathan Raman wrote:  
> >> Forward remote device's interrupts to the guest
> >> 
> >> Signed-off-by: Elena Ufimtseva <elena.ufimtseva@oracle.com>
> >> Signed-off-by: John G Johnson <john.g.johnson@oracle.com>
> >> Signed-off-by: Jagannathan Raman <jag.raman@oracle.com>
> >> ---
> >> include/hw/pci/pci.h              |  13 ++++
> >> include/hw/remote/vfio-user-obj.h |   6 ++
> >> hw/pci/msi.c                      |  16 ++--
> >> hw/pci/msix.c                     |  10 ++-
> >> hw/pci/pci.c                      |  13 ++++
> >> hw/remote/machine.c               |  14 +++-
> >> hw/remote/vfio-user-obj.c         | 123 ++++++++++++++++++++++++++++++
> >> stubs/vfio-user-obj.c             |   6 ++
> >> MAINTAINERS                       |   1 +
> >> hw/remote/trace-events            |   1 +
> >> stubs/meson.build                 |   1 +
> >> 11 files changed, 193 insertions(+), 11 deletions(-)
> >> create mode 100644 include/hw/remote/vfio-user-obj.h
> >> create mode 100644 stubs/vfio-user-obj.c  
> > 
> > It would be great if Michael Tsirkin and Alex Williamson would review
> > this.  
> 
> Hi Michael and Alex,
> 
> Do you have any thoughts on this patch?

Ultimately this is just how to insert callbacks to replace the default
MSI/X triggers so you can send a vector# over the wire for a remote
machine, right?  I'll let the code owners, Michael and Marcel, comment
if they have grand vision how to architect this differently.  Thanks,

Alex