Re: [Qemu-devel] [RFC v4 0/9] pass aer error to guest for vfio device

[Chen Fan <chen.fan.fnst@cn.fujitsu.com>]

ping...

On 03/02/2015 03:16 PM, Chen Fan wrote:
> For now, for vfio pci passthough devices when qemu receives
> an error from host aer report, there just terminate the guest,
> but usually user want to know what error occurred but stop 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.
> and turning on SERR# for error forwording in bridge control register
> patch in seabios has been merged.
>
> v3-v4:
>     1. add 'x-aer' for user to off aer capability.
>     2. refactor vfio device to parse extended capabilities.
>
> v2-v3:
>     1. refactor vfio device to parse extended capability.
>     2. add global property for piix4 to disable vfio aer cap.
>
> v1-v2:
>     1. turn on SERR# for bridge control register in firmware.
>     2. initilize aer capability for vfio device.
>     3. fix some trivial bug.
>
> Chen Fan (9):
>    pcie_aer: fix typos in pcie_aer_inject_error comment
>    aer: fix a wrong init PCI_ERR_COR_STATUS w1cmask type register
>    vfio: add pcie extanded capability support
>    aer: impove pcie_aer_init to support vfio device
>    vfio: add aer support for vfio device
>    vfio: add 'x-aer' option to disable aer capability
>    pcie_aer: expose pcie_aer_msg() interface
>    vfio-pci: pass the aer error to guest
>    pcie: fix several trivial typos
>
>   hw/pci-bridge/ioh3420.c            |   3 +-
>   hw/pci-bridge/xio3130_downstream.c |   3 +-
>   hw/pci-bridge/xio3130_upstream.c   |   3 +-
>   hw/pci/pcie_aer.c                  |  17 ++--
>   hw/vfio/pci.c                      | 160 +++++++++++++++++++++++++++++++++++--
>   include/hw/pci/pci.h               |   2 +-
>   include/hw/pci/pcie_aer.h          |   7 +-
>   7 files changed, 174 insertions(+), 21 deletions(-)
>