Re: [PATCH 00/15] s390x: Protected Virtualization support

[Janosch Frank <frankja@linux.ibm.com>]

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On 11/20/19 2:26 PM, Cornelia Huck wrote:
> On Wed, 20 Nov 2019 06:43:19 -0500
> Janosch Frank <frankja@linux.ibm.com> wrote:
> 
> Do you have a branch with this somewhere?
> 
>> Most of the QEMU changes for PV are related to the new IPL type with
>> subcodes 8 - 10 and the execution of the necessary Ultravisor calls to
>> IPL secure guests. Note that we can only boot into secure mode from
>> normal mode, i.e. stfle 161 is not active in secure mode.
>>
>> The other changes related to data gathering for emulation and
>> disabling addressing checks in secure mode, as well as CPU resets.
>>
>> While working on this I sprinkled in some cleanups, as we sometimes
>> significantly increase line count of some functions and they got
>> unreadable.
> 
> Any other cleanups than in the first two patches? I.e., anything that
> could be picked up independently?

Maybe patch #11, but that's RFC

> 
>>
>> Janosch Frank (15):
>>   s390x: Cleanup cpu resets
>>   s390x: Beautify diag308 handling
>>   s390x: protvirt: Add diag308 subcodes 8 - 10
>>   Header sync protvirt
>>   s390x: protvirt: Sync PV state
>>   s390x: protvirt: Support unpack facility
>>   s390x: protvirt: Handle diag 308 subcodes 0,1,3,4
>>   s390x: protvirt: KVM intercept changes
>>   s390x: protvirt: SCLP interpretation
>>   s390x: protvirt: Add new VCPU reset functions
>>   RFC: s390x: Exit on vcpu reset error
>>   s390x: protvirt: Set guest IPL PSW
>>   s390x: protvirt: Move diag 308 data over SIDAD
>>   s390x: protvirt: Disable address checks for PV guest IO emulation
>>   s390x: protvirt: Handle SIGP store status correctly
>>
>>  hw/s390x/Makefile.objs              |   1 +
>>  hw/s390x/ipl.c                      |  81 +++++++++++++++++-
>>  hw/s390x/ipl.h                      |  35 ++++++++
>>  hw/s390x/pv.c                       | 123 +++++++++++++++++++++++++++
>>  hw/s390x/pv.h                       |  27 ++++++
>>  hw/s390x/s390-virtio-ccw.c          |  79 ++++++++++++++---
>>  hw/s390x/sclp.c                     |  16 ++++
>>  include/hw/s390x/sclp.h             |   2 +
>>  linux-headers/asm-s390/kvm.h        |   4 +-
>>  linux-headers/linux/kvm.h           |  43 ++++++++++
>>  target/s390x/cpu.c                  | 127 ++++++++++++++--------------
>>  target/s390x/cpu.h                  |   1 +
>>  target/s390x/cpu_features_def.inc.h |   1 +
>>  target/s390x/diag.c                 | 108 +++++++++++++++++------
>>  target/s390x/ioinst.c               |  46 ++++++----
>>  target/s390x/kvm-stub.c             |  10 ++-
>>  target/s390x/kvm.c                  |  58 +++++++++++--
>>  target/s390x/kvm_s390x.h            |   4 +-
>>  target/s390x/sigp.c                 |   7 +-
>>  19 files changed, 640 insertions(+), 133 deletions(-)
>>  create mode 100644 hw/s390x/pv.c
>>  create mode 100644 hw/s390x/pv.h
>>
> 
> 



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