Re: [PATCH v4 00/14] Change ghes to use HEST-based offsets and add support for error inject

[Mauro Carvalho Chehab <mchehab+huawei@kernel.org>]

Em Thu, 27 Feb 2025 10:54:54 +0100
Igor Mammedov <imammedo@redhat.com> escreveu:

> On Fri, 21 Feb 2025 15:35:09 +0100
> Mauro Carvalho Chehab <mchehab+huawei@kernel.org> wrote:
> 
> > Now that the ghes preparation patches were merged, let's add support
> > for error injection.
> > 
> > On this series, the first 6 patches chang 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.
> > 
> > The next patches add a new QAPI to allow injecting GHESv2 errors, and a script using such QAPI
> >    to inject ARM Processor Error records.
> > 
> > ---
> > v4:
> > - added an extra comment for AcpiGhesState structure;
> > - patches reordered;
> > - no functional changes, just code shift between the patches in this series.
> > 
> > v3:
> > - addressed more nits;
> > - hest_add_le now points to the beginning of HEST table;
> > - removed HEST from tests/data/acpi;
> > - added an extra patch to not use fw_cfg with virt-10.0 for hw_error_le
> > 
> > v2: 
> > - address some nits;
> > - improved ags cleanup patch and removed ags.present field;
> > - added some missing le*_to_cpu() calls;
> > - update date at copyright for new files to 2024-2025;
> > - qmp command changed to: inject-ghes-v2-error ans since updated to 10.0;
> > - added HEST and DSDT tables after the changes to make check target happy.
> >   (two patches: first one whitelisting such tables; second one removing from
> >    whitelist and updating/adding such tables to tests/data/acpi)
> > 
> > 
> > 
> > Mauro Carvalho Chehab (14):
> >   acpi/ghes: prepare to change the way HEST offsets are calculated
> >   acpi/ghes: add a firmware file with HEST address
> >   acpi/ghes: Use HEST table offsets when preparing GHES records
> >   acpi/ghes: don't hard-code the number of sources for HEST table
> >   acpi/ghes: add a notifier to notify when error data is ready
> >   acpi/ghes: create an ancillary acpi_ghes_get_state() function
> >   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/generic_event_device: add an APEI error device
> >   tests/acpi: virt: allow acpi table changes for a new table: HEST
> >   arm/virt: Wire up a GED error device for ACPI / GHES
> >   tests/acpi: virt: add a HEST table to aarch64 virt and update DSDT
> >   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                |  43 ++
> >  hw/acpi/ghes-stub.c                           |   7 +-
> >  hw/acpi/ghes.c                                | 231 ++++--
> >  hw/acpi/ghes_cper.c                           |  38 +
> >  hw/acpi/ghes_cper_stub.c                      |  19 +
> >  hw/acpi/meson.build                           |   2 +
> >  hw/arm/virt-acpi-build.c                      |  37 +-
> >  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                        |  54 +-
> >  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                | 476 ++++++++++++
> >  scripts/ghes_inject.py                        |  51 ++
> >  scripts/qmp_helper.py                         | 702 ++++++++++++++++++
> >  target/arm/kvm.c                              |   7 +-
> >  tests/data/acpi/aarch64/virt/DSDT             | Bin 5196 -> 5240 bytes
> >  .../data/acpi/aarch64/virt/DSDT.acpihmatvirt  | Bin 5282 -> 5326 bytes
> >  tests/data/acpi/aarch64/virt/DSDT.memhp       | Bin 6557 -> 6601 bytes
> >  tests/data/acpi/aarch64/virt/DSDT.pxb         | Bin 7679 -> 7723 bytes
> >  tests/data/acpi/aarch64/virt/DSDT.topology    | Bin 5398 -> 5442 bytes
> >  29 files changed, 1677 insertions(+), 79 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 100755 scripts/qmp_helper.py
> >   
> 
> once you enable, ras in tests as 1st patches and fixup minor issues
> please try to do patch by patch compile/bios-tables-test testing, to avoid
> unnecessary respin in case at table change crept in somewhere unnoticed. 

Just submitted v5.

I took some extra care to avoid bisect issues. Still checkpatch 
had some warnings, but they seemed false positives.

Thanks,
Mauro