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[Qemu-devel] Re: [PATCH 0/6 v3] introduce qbus reset callback and pci bu

From: Anthony Liguori
Subject: [Qemu-devel] Re: [PATCH 0/6 v3] introduce qbus reset callback and pci bus reset clean up
Date: Thu, 02 Sep 2010 08:27:18 -0500
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv: Gecko/20100713 Lightning/1.0b1 Thunderbird/3.0.6

On 09/02/2010 04:25 AM, Isaku Yamahata wrote:
I recreated the patch series based on your qbus walker of

Anthony, can you please review the first three patches and merge them
if okay?

They look really nice, I'll merge them into my branch.

BTW what's the merge plan of the repo? Any chance to merge the walker part

I'm still working on vmsd refactoring but I can split out an initial series that doesn't contain that and includes your reset changes.


Anthony LIguori

Patch description:
Introduce bus reset callback at qbus layer and clean up pci bus reset
by utilizing it. At last implement pci secondary bus reset which is
my motivation.
But I suppose scsi bus and ide bus also can take advantage of
this patch series.

Changes v2 ->  v3:
- rebased to Anthony's qdev clean up tree.
- utilize qbus walker.

Changes v1 ->  v2:
- addressed personal feed back from Gerd.
- reset signal are triggered by bus and propagated down into device.
- Only 5/8 is modified. Other patches remains same.

Isaku Yamahata (6):
   qdev: Make qbus_walk_children() call busfn for root bus.
   qdev: introduce reset call back for qbus level.
   qdev: introduce a helper function which triggers reset from a given
   pci: make pci reset use qdev reset frame work.
   pci: teach pci devices that have reset callback how to reset common
   pci bridge: implement secondary bus reset.

  hw/e1000.c      |    1 +
  hw/lsi53c895a.c |    2 +
  hw/pci.c        |   45 +++++++++++++++++++++++++++++++++----
  hw/pci.h        |    2 +
  hw/pcnet.c      |    1 +
  hw/qdev-core.h  |    6 +++++
  hw/qdev.c       |   66 ++++++++++++++++++++++++++++++++++++------------------
  hw/rtl8139.c    |    2 +
  hw/virtio-pci.c |    1 +
  9 files changed, 99 insertions(+), 27 deletions(-)

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