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[Qemu-devel] Re: [PATCH 0/8] seabios: pci: multi pci bus support


From: Michael S. Tsirkin
Subject: [Qemu-devel] Re: [PATCH 0/8] seabios: pci: multi pci bus support
Date: Thu, 17 Jun 2010 14:17:20 +0300
User-agent: Mutt/1.5.19 (2009-01-05)

On Thu, Jun 17, 2010 at 08:03:08PM +0900, Isaku Yamahata wrote:
> This patch set allows seabios to initialize multi pci bus and 64bit BAR.
> 
> Currently seabios is able to initialize only pci root bus.
> However multi pci bus support is wanted because
>   - more pci bus is wanted in qemu for many slots
>   - pci express support is commin in qemu which requires multi pci bus.
> those patches on Qemu part are under way, though.

Not that I object, but - does it really require multi bus? Why?

> Isaku Yamahata (8):
>   seabios: pci: introduce foreachpci_in_bus() helper macro.
>   seabios: pciinit: factor out pci bar region allocation logic.
>   seabios: pciinit: make pci memory space assignment 64bit aware.
>   seabios: pciinit: make pci bar assigner preferchable memory aware.
>   seabios: pciinit: factor out bar offset calculation.
>   seabios: pciinit: make bar offset calculation pci bridge aware.
>   seabios: pciinit: pci bridge bus initialization.
>   seabios: pciinit: initialize pci bridge filtering registers.
> 
>  src/pci.c     |   30 ++++++
>  src/pci.h     |   11 ++
>  src/pciinit.c |  310 ++++++++++++++++++++++++++++++++++++++++++++++++--------
>  3 files changed, 306 insertions(+), 45 deletions(-)



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