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Re: [Qemu-devel] [PATCH v1 00/13] q35 patches for pci tree


From: Anthony Liguori
Subject: Re: [Qemu-devel] [PATCH v1 00/13] q35 patches for pci tree
Date: Wed, 31 Oct 2012 07:55:13 -0500
User-agent: Notmuch/0.13.2+93~ged93d79 (http://notmuchmail.org) Emacs/23.3.1 (x86_64-pc-linux-gnu)

"Michael S. Tsirkin" <address@hidden> writes:

> On Tue, Oct 30, 2012 at 02:20:35PM -0500, Anthony Liguori wrote:
>> Jason Baron <address@hidden> writes:
>> 
>> > Hi,
>> >
>> > Re-base of my previous q35 patches on top of Michael Tsirkin's pci
>> > tree.
>> 
>> I don't want this to come in through the pci tree.
>
> OK so you want to merge directly?

Yes.

>
>> This is not just
>> another PCI device and the ramifications are pretty big since this will
>> become the main machine model.
>
> OTOH it's not going to be the main machine model in 1.3 so maybe they
> are not that big, yet.

I think it's important to avoid introducing a lot of unmodelled code
regardless of whether it's the main machine model or not.

There's plenty of time to fix it for 1.3 though so it shouldn't be a big deal.

Regards,

Anthony Liguori

>
>> > Qemu bits for q35 support, I'm posting the seabios changes separately. The
>> > patches require '-M q35' and -L 'seabios dir with q35 changes' on the
>> > qemu command line. Hopefully, we can make it the default for x86 at some 
>> > future
>> > point when we feel comfortable with it. I'm hoping these patches can be
>> > included for the 1.3 soft freeze.
>> 
>> Q35 is sufficiently important that I think we should push for it in 1.3
>> regardless of freeze dates.  The code is pretty close to being ready.
>> So let's not worry too much about merge dates and focusing on getting
>> the code up to the right level.
>> 
>> > The current patches have been tested with basic install testing and memory 
>> > testing
>> > on f16, f17, windows 7 and windows 8. They can be run on the various BSD 
>> > flavors
>> > by adding a 'piix4-ide' device to the pci bus. ie: -device piix4-ide. 
>> > Patches
>> > have also been reported to work with a small dsdt change on OSX 10.6 as 
>> > well.
>> >
>> > I've also dropped ACPI hotplug support completely - I simply haven't 
>> > gotten a
>> > chance to clean this up yet. Hopefully, it is ok for this to come in a bit
>> > later.
>> >
>> > Git trees:
>> >
>> > git://github.com/jibaron/q35-qemu.git
>> > git://github.com/jibaron/q35-seabios.git
>> >
>> > Major Todo Items:
>> >
>> > -add ahci migration back (need to cover more fields, but basically works)
>> > -add ACPI hotplug support (pcie hotplug is currently working)
>> 
>> Since this is coming in as experimental for 1.3, I'm not overly
>> concerned about missing functionality.  I'm more concerned with code
>> structure and device modeling so let's focus on getting this right for
>> 1.3.
>> 
>> Overall, the series looks pretty nice.  Thanks for all of your work
>> here!
>> 
>> Regards,
>> 
>> Anthony Liguori
>> 
>> >
>> >
>> > Isaku Yamahata (3):
>> >   pc/piix_pci: factor out smram/pam logic
>> >   pc, pc_piix: split out pc nic initialization
>> >   q35: Introduce q35 pc based chipset emulator
>> >
>> > Jan Kiszka (2):
>> >   q35: Suppress SMM BIOS initialization under KVM
>> >   q35: Add kvmclock support
>> >
>> > Jason Baron (8):
>> >   Back out add of i21154
>> >   blockdev: Introduce QEMUMachine->default_drive_if
>> >   blockdev: Introduce IF_AHCI
>> >   pc: Move ioapic_init() from pc_piix.c to pc.c
>> >   Add a fallback bios file search, if -L fails.
>> >   q35: automatically load the q35 dsdt table
>> >   q35: fill in usb pci slots with -usb
>> >   Fixup q35/ich9 Licenses
>> >
>> >  blockdev.c            |   23 +++-
>> >  blockdev.h            |   22 +++
>> >  hw/Makefile.objs      |    2 +-
>> >  hw/acpi_ich9.c        |   20 ++-
>> >  hw/boards.h           |    2 +-
>> >  hw/device-hotplug.c   |    2 +-
>> >  hw/highbank.c         |    2 +-
>> >  hw/i21154.c           |  113 ----------------
>> >  hw/i21154.h           |    9 --
>> >  hw/i386/Makefile.objs |    3 +-
>> >  hw/ich9.h             |    5 +-
>> >  hw/ide.h              |    1 +
>> >  hw/ide/core.c         |    9 ++
>> >  hw/ide/pci.c          |   19 +++
>> >  hw/ide/pci.h          |    1 +
>> >  hw/leon3.c            |    1 -
>> >  hw/lpc_ich9.c         |   32 +----
>> >  hw/mips_jazz.c        |    4 +-
>> >  hw/pam.c              |   87 ++++++++++++
>> >  hw/pam.h              |   97 ++++++++++++++
>> >  hw/pc.c               |   58 ++++++++
>> >  hw/pc.h               |    7 +
>> >  hw/pc_piix.c          |   38 +-----
>> >  hw/pc_q35.c           |  354 
>> > +++++++++++++++++++++++++++++++++++++++++++++++++
>> >  hw/pc_sysfw.c         |    2 +-
>> >  hw/pci_ids.h          |    2 +
>> >  hw/piix_pci.c         |   68 ++--------
>> >  hw/puv3.c             |    1 -
>> >  hw/q35.c              |  315 +++++++++++++++++++++++++++++++++++++++++++
>> >  hw/q35.h              |  161 ++++++++++++++++++++++
>> >  hw/realview.c         |    6 +-
>> >  hw/smbus_ich9.c       |   14 +-
>> >  hw/spapr.c            |    2 +-
>> >  hw/sun4m.c            |   24 ++--
>> >  hw/versatilepb.c      |    4 +-
>> >  hw/vexpress.c         |    4 +-
>> >  hw/xilinx_zynq.c      |    2 +-
>> >  vl.c                  |   56 +++++---
>> >  38 files changed, 1272 insertions(+), 300 deletions(-)
>> >  delete mode 100644 hw/i21154.c
>> >  delete mode 100644 hw/i21154.h
>> >  create mode 100644 hw/pam.c
>> >  create mode 100644 hw/pam.h
>> >  create mode 100644 hw/pc_q35.c
>> >  create mode 100644 hw/q35.c
>> >  create mode 100644 hw/q35.h




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