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Re: [Qemu-devel] [PATCH 00/10] ppc/pnv: add XIVE support for KVM guests
From: |
David Gibson |
Subject: |
Re: [Qemu-devel] [PATCH 00/10] ppc/pnv: add XIVE support for KVM guests |
Date: |
Wed, 3 Jul 2019 12:10:09 +1000 |
User-agent: |
Mutt/1.12.0 (2019-05-25) |
On Sun, Jun 30, 2019 at 10:45:51PM +0200, Cédric Le Goater wrote:
> Hello,
>
> The QEMU PowerNV machine emulates a baremetal OpenPOWER system and
> acts as an hypervisor (L0). Supporting emulation of KVM to run guests
> (L1) requires a few more extensions, among which support for the XIVE
> interrupt controller on POWER9 processor.
>
> The following changes fix some parts of the XIVE model and provide
> support for escalations and resend. This mechanism is used by KVM to
> kick a vCPU when it is not dispatched on a HW thread.
>
> A series from Suraj adding guest support in the Radix MMU model of the
> QEMU PowerNV machine is still required and will be send later. The
> whole patchset can be found under :
>
> https://github.com/legoater/qemu/tree/powernv-4.1
The rest of this series is essentially a new feature, and so will have
to wait until 4.2 now we're in soft freeze.
>
> Thanks,
>
> C.
>
> Cédric Le Goater (10):
> ppc/xive: Force the Physical CAM line value to group mode
> ppc/xive: Make the PIPR register readonly
> ppc/pnv: Rework cache watch model of PnvXIVE
> ppc/xive: Fix TM_PULL_POOL_CTX special operation
> ppc/xive: Implement TM_PULL_OS_CTX special command
> ppc/xive: Provide escalation support
> ppc/xive: Improve 'info pic' support
> ppc/xive: Extend XiveTCTX with an router object pointer
> ppc/xive: Synthesize interrupt from the saved IPB in the NVT
> ppc/pnv: Dump the XIVE NVT table
>
> include/hw/ppc/xive.h | 23 ++-
> include/hw/ppc/xive_regs.h | 13 ++
> hw/intc/pnv_xive.c | 211 +++++++++++++++++++----
> hw/intc/spapr_xive.c | 1 -
> hw/intc/xive.c | 341 +++++++++++++++++++++++++++++--------
> hw/ppc/pnv.c | 2 +-
> hw/ppc/spapr_irq.c | 2 +-
> 7 files changed, 479 insertions(+), 114 deletions(-)
>
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
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David Gibson <=