Re: [Qemu-devel] [v11 00/15] vfio-pci: pass the aer error to guest

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

ping

On 06/24/2015 05:45 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.
>
> notes: this series patches enable aer support single/multi-function,
> for multi-function, require all the function of the slot assigned to
> VM and on the same slot.
>
> Chen Fan (15):
>    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
>    pci: add bus reset_notifiers callbacks for host bus reset
>    vfio: add sec_bus_reset notifier to notify physical bus reset is
>      needed
>    vfio: modify vfio_pci_hot_reset to support bus reset
>    vfio: do hot bus reset when do virtual secondary 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                       |  16 +
>   hw/pci/pci_bridge.c                |   6 +
>   hw/pci/pcie.c                      |   2 +-
>   hw/pci/pcie_aer.c                  |   6 +-
>   hw/vfio/pci.c                      | 688 +++++++++++++++++++++++++++++++++----
>   include/hw/pci/pci.h               |   4 +
>   include/hw/pci/pci_bus.h           |   2 +
>   include/hw/pci/pcie_aer.h          |   3 +-
>   11 files changed, 661 insertions(+), 72 deletions(-)
>