[Qemu-devel] [RFC PATCH 0/3] add nvdimm support on AArch64 virt platform

[Kwangwoo Lee]

This patch series add an evaluation environment of NVDIMM on AArch64
virt platform. Three parts need to be implemented to make this feature
working properly.

1. memory hotplug on arm virt platform
2. configurable ACPI IO base and size both for i386 and arm platform
3. enable NVDIMM on arm virt platform

The memory hotplug is required to recognize DIMM type memory and this
is also used for NVDIMM device recognition.

The ACPI IO base and size need to be changed on creating ACPI NFIT
because arm platform uses memory-mapped IO which is different from
i386 platform. Thus, this patch set includes the changes of setting
ACPI IO base and size during NVDIMM initialization.

The last part enables NVDIMM on arm virt platform. The feature is
disabled by default. So explicit option - nvdimm=on - is required to
enable the feature.

Kwangwoo Lee (3):
  hw/arm/virt: add hotplug memory support
  nvdimm: use configurable ACPI IO base and size
  hw/arm/virt: add nvdimm emulation support

 default-configs/aarch64-softmmu.mak |   3 +
 hw/acpi/nvdimm.c                    |  23 ++++--
 hw/arm/virt-acpi-build.c            |   5 ++
 hw/arm/virt.c                       | 144 ++++++++++++++++++++++++++++++++++++
 hw/i386/acpi-build.c                |   2 +-
 hw/i386/pc_piix.c                   |   8 +-
 hw/i386/pc_q35.c                    |   8 +-
 include/hw/arm/virt-acpi-build.h    |   1 +
 include/hw/arm/virt.h               |   7 ++
 include/hw/mem/nvdimm.h             |  17 ++++-
 10 files changed, 206 insertions(+), 12 deletions(-)

-- 
2.5.0