Re: [PATCH 00/11] Change ghes to use HEST-based offsets and add support for error inject

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On Wed, 22 Jan 2025 16:46:17 +0100
Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx> wrote:

> Now that the ghes preparation patches were merged, let's add support
> for error injection.
> 
> I'm opting to fold two patch series into one here:
> 
> 1. https://lore.kernel.org/qemu-devel/20250113130854.848688-1-mchehab+huawei@xxxxxxxxxx/
> 
> It is the first 5 patches containing changes to the math used to calculate offsets at HEST
> table and hardware_error firmware file, together with its migration code. Migration tested
> with both latest QEMU released kernel and upstream, on both directions.
> 
> There were no changes on this series since last submission, except for a conflict
> resolution at the migration table, due to upstream changes.
> 
> For more details, se the post of my previous submission.
> 
> 2. It follows 6 patches from:
> 	https://lore.kernel.org/qemu-devel/cover.1726293808.git.mchehab+huawei@xxxxxxxxxx/
>     containing the error injection code and script.
> 
>    They add a new QAPI to allow injecting GHESv2 errors, and a script using such QAPI
>    to inject ARM Processor Error records.
> 
> PS.: If I'm counting well, this is the 18th version of this series rebase.

the series is more or less in good shape,
it requires a few fixups here and there, so I'd expect to to be ready on
the next respin.

I'm done with this round of review.

PS:
the moment you'd start changing ACPI tables you need, 1st whitelist
affected tables and then update expected blobs with new content.
see comment at the beginning of tests/qtest/bios-tables-test.c

if you haven't done above 'make check-qtest' would fail,
and if it didn't that likely means a missing test case
(in that case please add one) 

> 
> Mauro Carvalho Chehab (11):
>   acpi/ghes: Prepare to support multiple sources on ghes
>   acpi/ghes: add a firmware file with HEST address
>   acpi/ghes: Use HEST table offsets when preparing GHES records
>   acpi/generic_event_device: Update GHES migration to cover hest addr
>   acpi/generic_event_device: add logic to detect if HEST addr is
>     available
>   acpi/ghes: add a notifier to notify when error data is ready
>   acpi/ghes: Cleanup the code which gets ghes ged state
>   acpi/generic_event_device: add an APEI error device
>   arm/virt: Wire up a GED error device for ACPI / GHES
>   qapi/acpi-hest: add an interface to do generic CPER error injection
>   scripts/ghes_inject: add a script to generate GHES error inject
> 
>  MAINTAINERS                            |  10 +
>  hw/acpi/Kconfig                        |   5 +
>  hw/acpi/aml-build.c                    |  10 +
>  hw/acpi/generic_event_device.c         |  38 ++
>  hw/acpi/ghes-stub.c                    |   4 +-
>  hw/acpi/ghes.c                         | 184 +++++--
>  hw/acpi/ghes_cper.c                    |  32 ++
>  hw/acpi/ghes_cper_stub.c               |  19 +
>  hw/acpi/meson.build                    |   2 +
>  hw/arm/virt-acpi-build.c               |  35 +-
>  hw/arm/virt.c                          |  19 +-
>  hw/core/machine.c                      |   2 +
>  include/hw/acpi/acpi_dev_interface.h   |   1 +
>  include/hw/acpi/aml-build.h            |   2 +
>  include/hw/acpi/generic_event_device.h |   1 +
>  include/hw/acpi/ghes.h                 |  36 +-
>  include/hw/arm/virt.h                  |   2 +
>  qapi/acpi-hest.json                    |  35 ++
>  qapi/meson.build                       |   1 +
>  qapi/qapi-schema.json                  |   1 +
>  scripts/arm_processor_error.py         | 377 +++++++++++++
>  scripts/ghes_inject.py                 |  51 ++
>  scripts/qmp_helper.py                  | 702 +++++++++++++++++++++++++
>  target/arm/kvm.c                       |   2 +-
>  24 files changed, 1517 insertions(+), 54 deletions(-)
>  create mode 100644 hw/acpi/ghes_cper.c
>  create mode 100644 hw/acpi/ghes_cper_stub.c
>  create mode 100644 qapi/acpi-hest.json
>  create mode 100644 scripts/arm_processor_error.py
>  create mode 100755 scripts/ghes_inject.py
>  create mode 100644 scripts/qmp_helper.py
> 





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