Re: [virtio-comment] [PATCH] Add virtio rpmb device specification

[Paolo Bonzini <pbonzini@redhat.com>]

On 29/07/19 09:48, Huang Yang wrote:
>  
> But virtualization software like Qemu doesn't provide eMMC/UFS/NVMe
> RPMB emulation. It blocks the OS like Trusty or OP-TEE running in a
> virtualization environment. For instance, Google right now uses another
> way to work around RPMB emulation issue when running Trusty in ARM Qemu:
> https://android.googlesource.com/trusty/external/trusty/+/refs/heads/master/test-runner/
> 
> Virtio RPMB standardization will definitely benefit OP-TEE,
> Google Trusty TEE, Qemu, OVMF or other modules to develop the RPMB
> based secure storage in virtualization.
>  

Is there any reason to use a new virtio-blk device, and not add this
functionality to virtio-blk?

Paolo