Re: [Qemu-devel] [PATCH v7] s390x/pci: add common function measurement block

[Cornelia Huck]

On Tue,  8 Jan 2019 18:37:30 +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.
> 
> An error while attemping to update the FMB, would generate an error
> event to the guest.
> 
> The pcilg/stg/stb and rpcit interception handlers increase the
> related counter on a successful call.
> The guest shall pass a null FMBA (FMB address) in the FIB (Function
> Information Block) when it issues a Modify PCI Function Control
> instruction 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 | 133 
> +++++++++++++++++++++++++++++++++++++++++++++--
>  hw/s390x/s390-pci-inst.h |   1 +
>  4 files changed, 163 insertions(+), 4 deletions(-)

Thanks, applied.