[PATCH v14 00/10] acpi: Error Record Serialization Table, ERST, support for QEMU

[Eric DeVolder <eric.devolder@oracle.com>]

This patchset introduces support for the ACPI Error Record
Serialization Table, ERST.

For background and implementation information, please see
docs/specs/acpi_erst.rst, which is patch 2/10.

Suggested-by: Konrad Wilk <konrad.wilk@oracle.com>
Signed-off-by: Eric DeVolder <eric.devolder@oracle.com>

---
v14: 26jan2022
 - Changed build_erst() to utilize a context structure for
   generating accesses to ACTION and VALUE, per Michael Tsirkin.
 - Other simplification per Ani Sinha.

v13: 24jan2022
 - v12 erroneously omitted step 6 of bios-tables-test.c, this
   has step 6 included.
 - No other changes to v12.

v12: 10jan2022
 - Converted macros in build_erst() to uppert to follow coding
   style, as pointed out by Michael Tsirkin.
 - And few items to help further simplify build_erst().

v11: 15dec2021
 - Simplified build_erst() via feedback from Michael Tsirkin
 - Addressed additional feedback from Ani Sinha

v10: 9dec2021
 - Addressed additional feedback from Ani Sinha

v9: 2dec2021
 - Addressed feedback from Ani Sinha

v8: 15oct2021
 - Added Kconfig option for ERST, per Ani Sinha
 - Fixed patch ordering, per Ani

v7: 7oct2021
 - style improvements, per Igor
 - use of endian accessors for storage header, per Igor
 - a number of optimizations and improvements, per Igor
 - updated spec for header, per Igor
 - updated spec for rst format, per Michael Tsirkin
 - updated spec for new record_size parameter
   Due to changes in the spec, I am not carrying the
   Acked-by from Ani Sinha.
 - changes for and testing of migration to systems with
   differing ERST_RECORD_SIZE

v6: 5aug2021
 - Fixed compile warning/error, per Michael Tsirkin
 - Fixed mingw32 build error, per Michael
 - Converted exchange buffer to MemoryBackend, per Igor
 - Migrated test to PCI, per Igor
 - Significantly reduced amount of copying, per Igor
 - Corrections/enhancements to acpi_erst.txt, per Igor
 - Many misc/other small items, per Igor

v5: 30jun2021
 - Create docs/specs/acpi_erst.txt, per Igor
 - Separate PCI BARs for registers and memory, per Igor
 - Convert debugging to use trace infrastructure, per Igor
 - Various other fixups, per Igor

v4: 11jun2021
 - Converted to a PCI device, per Igor.
 - Updated qtest.
 - Rearranged patches, per Igor.

v3: 28may2021
 - Converted to using a TYPE_MEMORY_BACKEND_FILE object rather than
   internal array with explicit file operations, per Igor.
 - Changed the way the qdev and base address are handled, allowing
   ERST to be disabled at run-time. Also aligns better with other
   existing code.

v2: 8feb2021
 - Added qtest/smoke test per Paolo Bonzini
 - Split patch into smaller chunks, per Igor Mammedov
 - Did away with use of ACPI packed structures, per Igor Mammedov

v1: 26oct2020
 - initial post

---

Eric DeVolder (10):
  ACPI ERST: bios-tables-test.c steps 1 and 2
  ACPI ERST: specification for ERST support
  ACPI ERST: PCI device_id for ERST
  ACPI ERST: header file for ERST
  ACPI ERST: support for ACPI ERST feature
  ACPI ERST: build the ACPI ERST table
  ACPI ERST: create ACPI ERST table for pc/x86 machines
  ACPI ERST: qtest for ERST
  ACPI ERST: bios-tables-test testcase
  ACPI ERST: step 6 of bios-tables-test.c

 docs/specs/acpi_erst.rst          |  200 +++++++
 hw/acpi/Kconfig                   |    6 +
 hw/acpi/erst.c                    | 1069 +++++++++++++++++++++++++++++++++++++
 hw/acpi/meson.build               |    1 +
 hw/acpi/trace-events              |   15 +
 hw/i386/acpi-build.c              |   15 +
 hw/i386/acpi-microvm.c            |   15 +
 include/hw/acpi/erst.h            |   24 +
 include/hw/pci/pci.h              |    1 +
 tests/data/acpi/microvm/ERST.pcie |  Bin 0 -> 912 bytes
 tests/data/acpi/pc/DSDT.acpierst  |  Bin 0 -> 5969 bytes
 tests/data/acpi/pc/ERST.acpierst  |  Bin 0 -> 912 bytes
 tests/data/acpi/q35/DSDT.acpierst |  Bin 0 -> 8306 bytes
 tests/data/acpi/q35/ERST.acpierst |  Bin 0 -> 912 bytes
 tests/qtest/bios-tables-test.c    |   54 ++
 tests/qtest/erst-test.c           |  172 ++++++
 tests/qtest/meson.build           |    2 +
 17 files changed, 1574 insertions(+)
 create mode 100644 docs/specs/acpi_erst.rst
 create mode 100644 hw/acpi/erst.c
 create mode 100644 include/hw/acpi/erst.h
 create mode 100644 tests/data/acpi/microvm/ERST.pcie
 create mode 100644 tests/data/acpi/pc/DSDT.acpierst
 create mode 100644 tests/data/acpi/pc/ERST.acpierst
 create mode 100644 tests/data/acpi/q35/DSDT.acpierst
 create mode 100644 tests/data/acpi/q35/ERST.acpierst
 create mode 100644 tests/qtest/erst-test.c

-- 
1.8.3.1