Re: [Qemu-devel] [PATCH v2 2/7] acpi: add vmcoreinfo device

[Laszlo Ersek]

On 07/06/17 12:16, Marc-André Lureau wrote:
> The VM coreinfo (vmcoreinfo) device is an emulated device which
> exposes a 4k memory range to the guest to store various informations
> useful to debug the guest OS. (it is greatly inspired by the VMGENID
> device implementation)
> 
> This is an early-boot alternative to the qemu-ga VMDUMP_INFO event
> proposed in "[PATCH 00/21] WIP: dump: add kaslr support".
> 
> A proof-of-concept kernel module:
> https://github.com/elmarco/vmgenid-test/blob/master/qemuvmci-test.c
> 
> Signed-off-by: Marc-André Lureau <address@hidden>
> ---
>  include/hw/acpi/aml-build.h        |   1 +
>  include/hw/acpi/vmcoreinfo.h       |  36 +++++++
>  hw/acpi/aml-build.c                |   2 +
>  hw/acpi/vmcoreinfo.c               | 208 
> +++++++++++++++++++++++++++++++++++++
>  hw/i386/acpi-build.c               |  14 +++
>  default-configs/arm-softmmu.mak    |   1 +
>  default-configs/i386-softmmu.mak   |   1 +
>  default-configs/x86_64-softmmu.mak |   1 +
>  docs/specs/vmcoreinfo.txt          | 138 ++++++++++++++++++++++++
>  hw/acpi/Makefile.objs              |   1 +
>  10 files changed, 403 insertions(+)
>  create mode 100644 include/hw/acpi/vmcoreinfo.h
>  create mode 100644 hw/acpi/vmcoreinfo.c
>  create mode 100644 docs/specs/vmcoreinfo.txt

Reviewed-by: Laszlo Ersek <address@hidden>