RE: [PATCH v7 2/2] Drivers: hv: Introduce mshv_vtl driver

[Michael Kelley]

From: Naman Jain <namjain@xxxxxxxxxxxxxxxxxxx> Sent: Monday, July 28, 2025 10:15 PM
> 
> Provide an interface for Virtual Machine Monitor like OpenVMM and its
> use as OpenHCL paravisor to control VTL0 (Virtual trust Level).
> Expose devices and support IOCTLs for features like VTL creation,
> VTL0 memory management, context switch, making hypercalls,
> mapping VTL0 address space to VTL2 userspace, getting new VMBus
> messages and channel events in VTL2 etc.
> 
> Co-developed-by: Roman Kisel <romank@xxxxxxxxxxxxxxxxxxx>
> Signed-off-by: Roman Kisel <romank@xxxxxxxxxxxxxxxxxxx>
> Co-developed-by: Saurabh Sengar <ssengar@xxxxxxxxxxxxxxxxxxx>
> Signed-off-by: Saurabh Sengar <ssengar@xxxxxxxxxxxxxxxxxxx>
> Reviewed-by: Roman Kisel <romank@xxxxxxxxxxxxxxxxxxx>
> Reviewed-by: Alok Tiwari <alok.a.tiwari@xxxxxxxxxx>
> Reviewed-by: Saurabh Sengar <ssengar@xxxxxxxxxxxxxxxxxxx>
> Reviewed-by: Nuno Das Neves <nunodasneves@xxxxxxxxxxxxxxxxxxx>
> Signed-off-by: Naman Jain <namjain@xxxxxxxxxxxxxxxxxxx>
> ---
>  drivers/hv/Kconfig          |   22 +
>  drivers/hv/Makefile         |    7 +-
>  drivers/hv/mshv_vtl.h       |   52 ++
>  drivers/hv/mshv_vtl_main.c  | 1468 +++++++++++++++++++++++++++++++++++
>  include/hyperv/hvgdk_mini.h |  106 +++
>  include/uapi/linux/mshv.h   |   80 ++
>  6 files changed, 1734 insertions(+), 1 deletion(-)
>  create mode 100644 drivers/hv/mshv_vtl.h
>  create mode 100644 drivers/hv/mshv_vtl_main.c
> 

Looks good!

Reviewed-by: Michael Kelley <mhklinux@xxxxxxxxxxx>