[PATCH RFC 0/2] qemu-kvm: MSI-X support

Anthony Liguori
Mon, 11 May 2009 22:24:25 -0000

Michael S. Tsirkin wrote:
> Here's a draft MSI-X support patch. Among missing features:
> save/load support, and command-line flag to control the
> feature. This is on top of qemu-kvm: msi-x is disabled
> without kvm interrupt injection support for now.
>

What's your impression of how much work would be to get this going on
top of upstream QEMU?

I'm willing to borrow a few cycles to help out here.  I'd really like to
see this series go in via QEMU if possible.

Regards,

Anthony Liguori

> Michael S. Tsirkin (2):
>   qemu-kvm: add MSI-X support
>   qemu-kvm: use common code for assigned msix
>
>  Makefile.target        |    2 +-
>  hw/device-assignment.c |  336 +++++++++++---------------------------------
>  hw/device-assignment.h |    8 +-
>  hw/msix.c              |  371
++++++++++++++++++++++++++++++++++++++++++++++++
>  hw/msix.h              |   33 +++++
>  hw/pci.c               |   35 ++++--
>  hw/pci.h               |   57 +++++++-
>  hw/virtio-balloon.c    |    2 +-
>  hw/virtio-blk.c        |    3 +-
>  hw/virtio-console.c    |    3 +-
>  hw/virtio-net.c        |    3 +-
>  hw/virtio.c            |  167 +++++++++++++++++-----
>  hw/virtio.h            |    4 +-
>  13 files changed, 709 insertions(+), 315 deletions(-)
>  create mode 100644 hw/msix.c
>  create mode 100644 hw/msix.h
>