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Re: [qemu-s390x] [PATCH v3] s390x/pci: add common function measurement b

From: Cornelia Huck
Subject: Re: [qemu-s390x] [PATCH v3] s390x/pci: add common function measurement block
Date: Fri, 14 Dec 2018 15:20:41 +0100

On Fri, 14 Dec 2018 15:11:18 +0100
Pierre Morel <address@hidden> wrote:

> From: Yi Min Zhao <address@hidden>
> Common function measurement block is used to report zPCI internal
> counters of successful pcilg/stg/stb and rpcit instructions to
> a memory location provided by the program.
> This patch introduces a new ZpciFmb structure and schedules a timer
> callback to copy the zPCI measures to the FMB in the guest memory
> at an interval time set to 4s by default.
> An error while attemping to update the FMB, would generated an error
> event to the guest.
> The pcilg/stg/stb and rpcit interception handlers issue, increase
> the related counter on success.
> The guest shall pass a null FMBA (FMB address) in the FIB (Function
> Information Block) when it issues a Modify PCI Function Control
> instrcuction to switch off FMB and stop the corresponding timer.
> Signed-off-by: Yi Min Zhao <address@hidden>
> Signed-off-by: Pierre Morel <address@hidden>
> ---
>  hw/s390x/s390-pci-bus.c  |   4 +-
>  hw/s390x/s390-pci-bus.h  |  29 ++++++++++
>  hw/s390x/s390-pci-inst.c | 138 
> +++++++++++++++++++++++++++++++++++++++++++++--
>  hw/s390x/s390-pci-inst.h |   1 +
>  4 files changed, 168 insertions(+), 4 deletions(-)

Are there any changes in there other than the endianness handling?

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