[Qemu-devel] Re: [PATCH v2 0/6] qdev reset refactoring and pci bus reset

[Michael S. Tsirkin]

On Fri, Nov 19, 2010 at 06:55:57PM +0900, Isaku Yamahata wrote:
> Here is v2. I updated the comments, and dropped the pci qdev reset patch.
> 
> Patch description:
> The goal of this patch series is to implement secondary bus reset
> emulation in pci-to-pci bridge.
> At first, this patch series refactors qdev reset,
> and then cleans up pci bus reset. Lastly implements pci bridge control
> secondary bus reset bit.
> 
> This patch series is for pci bus reset, which is ported
> from the following repo.
> git://repo.or.cz/qemu/aliguori.git qdev-refactor

I've put the series on my pci branch, tweaking patches 5 and 6 in the
process.  Out of time to compile-tested only for now.
We do need to fix up secondary bus reset, so it's a needed bugfix.
Gerd, Anthony - any comments esp. on the qdev part?

> Changes v1 -> v2:
> - update comment
> 
> Anthony Liguori (2):
>   qbus: add functions to walk both devices and busses
>   qdev: reset qdev along with qdev tree
> 
> Isaku Yamahata (4):
>   qdev: introduce reset call back for qbus level
>   qdev: introduce a helper function which triggers reset from a given
>     device
>   pci: make use of qdev reset frame work to pci bus reset.
>   pci bridge: implement secondary bus reset
> 
>  hw/pci.c        |   33 ++++++++++++++++++--
>  hw/pci.h        |    3 ++
>  hw/pci_bridge.c |   12 +++++++-
>  hw/qdev.c       |   87 
> +++++++++++++++++++++++++++++++++++++++++++++++++------
>  hw/qdev.h       |   18 +++++++++++
>  vl.c            |    1 +
>  6 files changed, 140 insertions(+), 14 deletions(-)