[SeaBIOS] [PATCH] SeaBios/vTPM: Enable Xen stubdom vTPM for HVM virtual machine
Kevin O'Connor
kevin at koconnor.net
Wed Mar 11 20:49:12 CET 2015
On Tue, Mar 10, 2015 at 08:16:03AM -0400, Quan Xu wrote:
> This patch series are only the SeaBios part to enable stubdom vTPM for HVM
> virtual machine. It will work with Qemu patch series and Xen patch series.
>
> ========================
> *INTRODUCTION*
> ========================
> The goal of virtual Trusted Platform Module (vTPM) is to provide a TPM functionality
> to virtual machines (Fedora, Ubuntu, Redhat, Windows .etc). This allows programs
> to interact with a TPM in a virtual machine the same way they interact with a TPM
> on the physical system. Each virtual machine gets its own unique, emulated, software
> TPM. Each major component of vTPM is implemented as a stubdom, providing secure
> separation guaranteed by the hypervisor.
>
> The vTPM stubdom is a Xen mini-OS domain that emulates a TPM for the virtual machine
> to use. It is a small wrapper around the Berlios TPM emulator. TPM commands are passed
> from mini-os TPM backend driver.
Thanks. Does this seabios patch require additional seabios patches
before it is useful? Does it depend on upstream patches in Xen/QEMU
that are not yet committed?
-Kevin
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