Re: [Xen-devel] [PATCH V3 0/6] firmware changes as part of QEMU/Xen merge.

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Fri, Oct 29, 2010 at 01:08:33PM +0100, anthony.perard@xxxxxxxxxx wrote:
> From: Anthony PERARD <anthony.perard@xxxxxxxxxx>
> 
> This patches are for Xen-unstable and Qemu-DM.
> 
> With the integration of Xen into QEMU, we would like to minimise the change
> and use the ACPI implementation of QEMU. So there are some change to make on
> the firmware to match the QEMU's BIOS. Some IO Ports are different and the
> sleep state values are different.
> 
> Change with the v2->v3:
> 
> Xen will register the old ioport by default and switch to the new ioport if 
> the
> HVM_PARAM_ACPI_NEW_IOPORT is set. So, this series come with a new function,
> unregister_io_handler, and a new HVM_PARAM.
> 

Should it be called something else than HVM_PARAM_ACPI_NEW_IOPORT ?
After a couple of years "NEW" might not make much sense anymore..

IOPORT_V2 ? Or something..

-- Pasi

> 
> Change v1->v2:
> 
> This time, both old and new ioport are handled.
> In QEMU-Xen, the choice between one or the other is made when a saved state is
> restored.
> In Xen, both ioports are registered.
> 
> 
> Anthony PERARD (5):
>   firmware, Change ACPI IO addresses and values to match QEMU BIOS.
>   xen, Introduce unregister_io_handler
>   xen, Intruduce pmtimer_change_ioport and HVM_PARAM_ACPI_NEW_IOPORT.
>   firmware, Set HVM_PARAM_ACPI_NEW_IOPORT
>   libxc, save/restore, Save the HVM_PARAM_ACPI_NEW_IOPORT
> 
>  tools/firmware/hvmloader/acpi/dsdt.asl |   12 ++++++------
>  tools/firmware/hvmloader/hvmloader.c   |   11 +++++++++++
>  tools/libxc/xc_domain_restore.c        |   12 ++++++++++++
>  tools/libxc/xc_domain_save.c           |   11 +++++++++++
>  tools/libxc/xg_save_restore.h          |    1 +
>  xen/arch/x86/hvm/hvm.c                 |    9 +++++++++
>  xen/arch/x86/hvm/intercept.c           |   26 ++++++++++++++++++++++++++
>  xen/arch/x86/hvm/pmtimer.c             |   26 ++++++++++++++++++++++++--
>  xen/include/asm-x86/hvm/io.h           |    8 ++++++++
>  xen/include/asm-x86/hvm/vpt.h          |    1 +
>  xen/include/public/hvm/ioreq.h         |   16 +++++++++++++---
>  xen/include/public/hvm/params.h        |    5 ++++-
>  12 files changed, 126 insertions(+), 12 deletions(-)
> 
> 
> QEMU-Xen change:
> 
> Anthony PERARD (1):
>   piix4acpi: change in ACPI to match the change in the BIOS.
> 
>  hw/piix4acpi.c |   99 ++++++++++++++++++++++++++++++++++++++++++++++---------
>  1 files changed, 82 insertions(+), 17 deletions(-)
> 
> -- 
> Anthony PERARD
> 
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