Re: [Qemu-devel] [PATCH v2 00/36] complete conversion to hotplug-handler API

[Michael S. Tsirkin]

On Fri, Sep 26, 2014 at 09:28:05AM +0000, Igor Mammedov wrote:
> Changes since v1:
>   * added usb-uas test
>   * drop hotplug check in bus_add_child()
>   * make SCSI & USB bus as default HotplugHandler
>   * fixed dummy HBA hot(un)plug
>   * fixed hotunplug on s390x
>   * prevent hotplug of non hotpluggable devices

For pci, virtio, acpi bits:

Reviewed-by: Michael S. Tsirkin <address@hidden>

Which tree should this go in through? afaerber's?
In that case, it might be a good idea to Cc him ...

> --
> 
> Series unifies different hotplug mechanisms to a recent
> hotplug-handler API and does shallow conversion of
> devices that still use legacy qdev hotplug to it dropping
> not used after that legacy hotplug path [29/30].
> It also relaces SCSI's own way to do hotplug/unplug with
> hotplug-handler callbacks leaving it the only method
> perform hotplug tasks.
> And the last patch [30/30] allows to unplug of BUS-less
> devices using hotplug-handler API.
> 
> Converted devices are covered with new hotplug
> unit-tests, except of:
>  s390x-*: I have no idea how or means to test it, but code
>           is close to virtio, so it's converted using
>           virtio template
>  pvscsi: is broken, so no means to test it
> 
> Git tree for testing:
>   https://github.com/imammedo/qemu/commits/hp_ctrl_conversion_v2
> 
> 
> Igor Mammedov (36):
>   test: virtio-scsi: check if hot-plug/unplug works
>   test: virtio-serial: check if hot-plug/unplug works
>   test: libqos: add qpci_plug_device_test() and
>     qpci_unplug_acpi_device_test()
>   test: virtio-rng: check if hot-plug/unplug works
>   test: virtio-net: check if hot-plug/unplug works
>   test: virtio-blk: check if hot-plug/unplug works
>   test: usb: move uhci port test code to libqos/usb.c
>   test: usb: add port test to uhci unit test
>   test: usb: generic usb device hotplug
>   test: usb: usb-storage hotplug test
>   test: usb: usb-uas hotplug test
>   access BusState.allow_hotplug using wraper qbus_is_hotpluggable()
>   qdev: do not allow to instantiate non hotpluggable device with
>     device_add
>   qdev: HotplugHandler: rename unplug callback to unplug_request
>   qdev: HotplugHandler: provide unplug callback
>   qdev: add simple/generic unplug callback for HotplugHandler
>   qdev: add wrapper to set BUS as HotplugHandler
>   qdev: drop hotplug check from bus_add_child()
>   target-i386: ICC bus: drop BusState.allow_hotplug
>   virtio-pci: drop BusState.allow_hotplug
>   virtio-serial: convert to hotplug-handler API
>   virtio-mmio: drop useless bus->allow_hotplug = 0
>   s390x: drop not used allow_hotplug in event-facility
>   s390x: convert s390-virtio to hotplug handler API
>   s390x: convert virtio-ccw to hotplug handler API
>   scsi: set SCSI BUS itself as default HotplugHandler
>   scsi: convert pvscsi HBA to hotplug handler API
>   scsi: convert virtio-scsi HBA to hotplug handler API
>   scsi: cleanup not used anymore SCSIBusInfo{hotplug,hot_unplug} fields
>   usb-bot: mark device as non hotpluggable
>   usb-bot: drop not needed "allow_hotplug = 0"
>   usb-storage: drop not needed "allow_hotplug = 0"
>   usb: convert usb-ccid to hotplug handler API
>   usb: convert usb devices to hotplug handler API
>   qdev: drop legacy hotplug fields/methods
>   qdev: HotplugHandler: add support for unplugging BUS-less devices
> 
>  hw/acpi/piix4.c                |  6 +--
>  hw/char/virtio-serial-bus.c    | 20 +++++++---
>  hw/core/hotplug.c              | 11 ++++++
>  hw/core/qdev.c                 | 85 
> ++++++++++++++++++++++++++++--------------
>  hw/cpu/icc_bus.c               |  8 ----
>  hw/i386/acpi-build.c           |  2 +-
>  hw/isa/lpc_ich9.c              |  6 +--
>  hw/pci-bridge/pci_bridge_dev.c |  2 +-
>  hw/pci/pci-hotplug-old.c       |  4 +-
>  hw/pci/pcie.c                  |  4 +-
>  hw/pci/pcie_port.c             |  2 +-
>  hw/pci/shpc.c                  |  4 +-
>  hw/s390x/event-facility.c      |  2 -
>  hw/s390x/s390-virtio-bus.c     | 12 +++---
>  hw/s390x/virtio-ccw.c          | 17 +++++----
>  hw/scsi/scsi-bus.c             | 24 ++++--------
>  hw/scsi/virtio-scsi.c          | 30 ++++++++++-----
>  hw/scsi/vmw_pvscsi.c           | 26 +++++++++----
>  hw/usb/bus.c                   |  9 ++++-
>  hw/usb/dev-smartcard-reader.c  |  8 +++-
>  hw/usb/dev-storage.c           |  4 +-
>  hw/virtio/virtio-mmio.c        | 17 +--------
>  hw/virtio/virtio-pci.c         |  3 --
>  include/hw/hotplug.h           | 16 +++++++-
>  include/hw/pci/pcie.h          |  4 +-
>  include/hw/pci/shpc.h          |  4 +-
>  include/hw/qdev-core.h         | 17 +++++----
>  include/hw/scsi/scsi.h         |  2 -
>  qdev-monitor.c                 |  5 ++-
>  tests/Makefile                 | 13 ++++---
>  tests/libqos/pci-pc.c          | 49 ++++++++++++++++++++++++
>  tests/libqos/pci.h             |  3 ++
>  tests/libqos/usb.c             | 71 +++++++++++++++++++++++++++++++++++
>  tests/libqos/usb.h             | 17 +++++++++
>  tests/usb-hcd-ehci-test.c      | 50 ++++++++++---------------
>  tests/usb-hcd-ohci-test.c      | 10 ++++-
>  tests/usb-hcd-uhci-test.c      | 65 +++++++++++++++++++++++++++++++-
>  tests/usb-hcd-xhci-test.c      | 68 ++++++++++++++++++++++++++++++++-
>  tests/virtio-blk-test.c        | 49 ++++++++++++++++++------
>  tests/virtio-net-test.c        | 10 +++++
>  tests/virtio-rng-test.c        | 10 +++++
>  tests/virtio-scsi-test.c       | 29 ++++++++++++++
>  tests/virtio-serial-test.c     | 27 ++++++++++++++
>  43 files changed, 624 insertions(+), 201 deletions(-)
>  create mode 100644 tests/libqos/usb.c
>  create mode 100644 tests/libqos/usb.h
> 
> -- 
> 1.8.3.1