Re: [Qemu-devel] [PATCH v14 00/13] vfio-pci: pass the aer error to guest

[Michael S. Tsirkin]

Focusing on 2.5 now.
Pls post after 2.5.

On Tue, Nov 17, 2015 at 04:41:51PM +0800, Cao jin wrote:
> From: Chen Fan <address@hidden>
> 
> For now, for vfio pci passthough devices when qemu receives
> an error from host aer report, currentlly just terminate the guest,
> but usually user want to know what error occurred but stopping the
> guest, so this patches add aer capability support for vfio device,
> and pass the error to guest, and have guest driver to recover
> from the error.
> 
> v13-v14:
>    1. for multifunction device, requiring all functions enable AER.(9/13)
>    2. due to all affected functions receive error signal, ignore no
>       error occurred function. (12/13)
> 
> v12-v13:
>    1. since support multifuncion hotplug, here add callback to enable aer.
>    2. add pci device pre+post reset for aer host reset.
> 
> Chen Fan (13):
>   vfio: extract vfio_get_hot_reset_info as a single function
>   vfio: squeeze out vfio_pci_do_hot_reset for support bus reset
>   pcie: modify the capability size assert
>   vfio: make the 4 bytes aligned for capability size
>   vfio: add pcie extanded capability support
>   aer: impove pcie_aer_init to support vfio device
>   vfio: add aer support for vfio device
>   vfio: add check host bus reset is support or not
>   add check reset mechanism when hotplug vfio device
>   pci: add pci device pre-post reset callbacks for host bus reset
>   pcie_aer: expose pcie_aer_msg() interface
>   vfio-pci: pass the aer error to guest
>   vfio: add 'aer' property to expose aercap
> 
>  hw/pci-bridge/ioh3420.c            |   2 +-
>  hw/pci-bridge/xio3130_downstream.c |   2 +-
>  hw/pci-bridge/xio3130_upstream.c   |   2 +-
>  hw/pci/pci.c                       |  47 +++
>  hw/pci/pci_bridge.c                |   9 +
>  hw/pci/pcie.c                      |   2 +-
>  hw/pci/pcie_aer.c                  |   6 +-
>  hw/vfio/pci.c                      | 625 
> +++++++++++++++++++++++++++++++++----
>  hw/vfio/pci.h                      |   8 +
>  include/hw/pci/pci.h               |   7 +
>  include/hw/pci/pci_bus.h           |   5 +
>  include/hw/pci/pcie_aer.h          |   3 +-
>  12 files changed, 646 insertions(+), 72 deletions(-)
> 
> -- 
> 1.9.3