[Qemu-devel] [PATCH v2 00/11] NVDIMM ACPI: introduce the framework of QEMU emulated

[Xiao Guangrong]

This patchset is against commit 8a1be662a69 (virtio: fix error message for 
number of queues) on pci branch of Michael's git tree
and can be found at:
      https://github.com/xiaogr/qemu.git nvdimm-acpi-v2

Changelog:
These changes are based on Igor's comments:
- drop ssdt.rev2 support as the memory address allocated by BIOS/OVMF
  are always 32 bits
- support to test NVDIMM tables (NFIT and NVDIMM SSDT)
- add _CRS to report its operation region
- make AML APIs change be the separated patches

This is the second part of vNVDIMM implementation which implements the
BIOS patched dsm memory and introduces the framework that allows QEMU
to emulate DSM method

Thanks to Michael's idea, we do not reserve any memory for NVDIMM ACPI,
instead we let BIOS allocate the memory and patch the address to the
offset we want

IO port is still enabled as it plays as the way to notify QEMU and pass
the patched dsm memory address, so that IO port region, 0x0a18 - 0xa20,
is reserved and it is divided into two 32 bits ports and used to pass
the low 32 bits and high 32 bits of dsm memory address to QEMU

Thanks Igor's idea, this patchset also extends DSDT/SSDT to revision 2
to apply 64 bit operations, in order to keeping compatibility, old
version (<= 2.5) still uses revision 1. Since 64 bit operations breaks
old guests (such as windows XP), we should keep the 64 bits stuff in
the private place where common ACPI operation does not touch it

Xiao Guangrong (11):
  tests: acpi: test multiple SSDT tables
  tests: acpi: test NVDIMM tables
  acpi: add aml_create_field()
  acpi: add aml_concatenate()
  acpi: allow using object as offset for OperationRegion
  nvdimm acpi: initialize the resource used by NVDIMM ACPI
  nvdimm acpi: introduce patched dsm memory
  nvdimm acpi: let qemu handle _DSM method
  nvdimm acpi: emulate dsm method
  nvdimm acpi: add _CRS
  tests: acpi: update nvdimm ssdt table

 hw/acpi/Makefile.objs                       |   2 +-
 hw/acpi/aml-build.c                         |  33 +++-
 hw/acpi/nvdimm.c                            | 255 +++++++++++++++++++++++++++-
 hw/i386/acpi-build.c                        |  41 ++---
 hw/i386/pc.c                                |   8 +-
 hw/i386/pc_piix.c                           |   5 +
 hw/i386/pc_q35.c                            |   8 +-
 include/hw/acpi/aml-build.h                 |   5 +-
 include/hw/i386/pc.h                        |   5 +-
 include/hw/mem/nvdimm.h                     |  36 +++-
 tests/acpi-test-data/pc/NFIT                | Bin 0 -> 224 bytes
 tests/acpi-test-data/pc/NFIT.bridge         | Bin 0 -> 224 bytes
 tests/acpi-test-data/pc/SSDT                | Bin 2486 -> 2885 bytes
 tests/acpi-test-data/pc/SSDT-NVDIMM         | Bin 0 -> 403 bytes
 tests/acpi-test-data/pc/SSDT-NVDIMM.bridge  | Bin 0 -> 403 bytes
 tests/acpi-test-data/pc/SSDT.bridge         | Bin 4345 -> 4745 bytes
 tests/acpi-test-data/q35/NFIT               | Bin 0 -> 224 bytes
 tests/acpi-test-data/q35/NFIT.bridge        | Bin 0 -> 224 bytes
 tests/acpi-test-data/q35/SSDT               | Bin 691 -> 1090 bytes
 tests/acpi-test-data/q35/SSDT-NVDIMM        | Bin 0 -> 403 bytes
 tests/acpi-test-data/q35/SSDT-NVDIMM.bridge | Bin 0 -> 403 bytes
 tests/acpi-test-data/q35/SSDT.bridge        | Bin 708 -> 1107 bytes
 tests/bios-tables-test.c                    |  58 +++++--
 23 files changed, 400 insertions(+), 56 deletions(-)
 create mode 100644 tests/acpi-test-data/pc/NFIT
 create mode 100644 tests/acpi-test-data/pc/NFIT.bridge
 create mode 100644 tests/acpi-test-data/pc/SSDT-NVDIMM
 create mode 100644 tests/acpi-test-data/pc/SSDT-NVDIMM.bridge
 create mode 100644 tests/acpi-test-data/q35/NFIT
 create mode 100644 tests/acpi-test-data/q35/NFIT.bridge
 create mode 100644 tests/acpi-test-data/q35/SSDT-NVDIMM
 create mode 100644 tests/acpi-test-data/q35/SSDT-NVDIMM.bridge

-- 
1.8.3.1