Re: [Qemu-devel] [PATCH qom-next for-next v2 0/6] PCI VMState cleanups

["Andreas Färber" <afaerber@suse.de>]

Am 29.07.2013 02:26, schrieb Andreas Färber:
> Hello Michael and Gerd,
> 
> As discussed, this series attempts to clean up PCIe devices fiddling with
> individual PCI VMStateFields. It is based on my qom-devices queue, containing
> changes to PCIe devices.
> 
> v2 has been changed to use VMStateField::field_exists instead of subsections
> and unifies PCI and PCIe. Making MSI-X such a conditional field affects PCI, too,
> now and therefore requires incompatible changes to VMXNET3 PCI NIC.
> 
> This has been successfully tested with a selection of PCI and PCIe devices
> on -machine pc (-machine q35 is unfortunately unmigratable due to ich9-ahci)
> and shows identically sized state files (for "exec:cat > pc-pci.state") and
> no immediate crashes. Not 1.6 material.

Ping! Stefan requested researching a solution that doesn't break vmxnet3
migration compatibility, but previous patches are waiting for review.

Andreas

> 
> A QOM follow-up RFC will be sent out shortly.
> 
> Regards,
> Andreas
> 
> v1 -> v2:
> * Prepended patches to drop VMSTATE_{PCI,PCIE}_DEVICE() arguments.
> * Added patch to introduce VMSTATE_BUFFER_UNSAFE_INFO_TEST() macro.
> * Unified PCI and PCIe VMStateDescriptions (mst).
> * Instead of moving & turning into subsection, make AER log conditional field.
> * Instead of subsection, make MSI-X a conditional field.
> 
> Cc: Michael S. Tsirkin <mst@redhat.com>
> Cc: Gerd Hoffmann <kraxel@redhat.com>
> Cc: Stefan Hajnoczi <stefanha@gmail.com>
> Cc: Juan Quintela <quintela@redhat.com>
> 
> Andreas Färber (6):
>   pci: Simplify VMSTATE_PCI_DEVICE() macro
>   pci: Simplify VMSTATE_PCIE_DEVICE() macro
>   vmstate: Introduce VMSTATE_BUFFER_UNSAFE_INFO_TEST()
>   pci: Unify vmstate_{pci,pcie}_device
>   pci: Move vmstate_pcie_aer_log into vmstate_pci_device
>   pci: Move VMSTATE_MSIX() into vmstate_pci_device
> 
>  hw/acpi/piix4.c                    |  2 +-
>  hw/audio/ac97.c                    |  2 +-
>  hw/audio/es1370.c                  |  2 +-
>  hw/audio/intel-hda.c               |  2 +-
>  hw/char/serial-pci.c               |  4 +--
>  hw/char/tpci200.c                  |  2 +-
>  hw/display/cirrus_vga.c            |  2 +-
>  hw/display/qxl.c                   |  2 +-
>  hw/display/vga-pci.c               |  2 +-
>  hw/display/vmware_vga.c            |  2 +-
>  hw/i2c/smbus_ich9.c                |  2 +-
>  hw/ide/ich.c                       |  2 +-
>  hw/ide/pci.c                       |  2 +-
>  hw/isa/i82378.c                    |  2 +-
>  hw/isa/lpc_ich9.c                  |  2 +-
>  hw/isa/piix4.c                     |  2 +-
>  hw/isa/vt82c686.c                  |  4 +--
>  hw/misc/ivshmem.c                  |  7 ++--
>  hw/net/e1000.c                     |  2 +-
>  hw/net/eepro100.c                  |  2 +-
>  hw/net/ne2000.c                    |  2 +-
>  hw/net/pcnet-pci.c                 |  2 +-
>  hw/net/rtl8139.c                   |  2 +-
>  hw/net/vmxnet3.c                   | 29 +++------------
>  hw/pci-bridge/ioh3420.c            |  4 +--
>  hw/pci-bridge/pci_bridge_dev.c     |  2 +-
>  hw/pci-bridge/xio3130_downstream.c |  4 +--
>  hw/pci-bridge/xio3130_upstream.c   |  4 +--
>  hw/pci-host/bonito.c               |  2 +-
>  hw/pci-host/piix.c                 |  4 +--
>  hw/pci-host/prep.c                 |  2 +-
>  hw/pci-host/q35.c                  |  2 +-
>  hw/pci/pci.c                       | 73 +++++++++++++++++++++++---------------
>  hw/pci/pcie_aer.c                  |  1 +
>  hw/scsi/esp-pci.c                  |  2 +-
>  hw/scsi/lsi53c895a.c               |  2 +-
>  hw/scsi/megasas.c                  |  2 +-
>  hw/scsi/vmw_pvscsi.c               |  2 +-
>  hw/usb/hcd-ehci-pci.c              |  2 +-
>  hw/usb/hcd-uhci.c                  |  2 +-
>  hw/usb/hcd-xhci.c                  |  3 +-
>  hw/virtio/virtio-pci.c             | 19 +++++-----
>  hw/watchdog/wdt_i6300esb.c         |  2 +-
>  hw/xen/xen_platform.c              |  2 +-
>  include/hw/pci/msix.h              |  7 ++--
>  include/hw/pci/pci.h               |  6 ++--
>  include/hw/pci/pcie.h              | 10 ------
>  include/migration/vmstate.h        |  6 +++-
>  48 files changed, 116 insertions(+), 133 deletions(-)
> 


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