Re: [Qemu-devel] [PATCH V10 5/5] Add a TPM Passthrough backend driver implementation

2011-09-27 Thread Stefan Berger
On 09/27/2011 02:07 PM, Michael S. Tsirkin wrote: On Tue, Sep 27, 2011 at 01:38:52PM -0400, Stefan Berger wrote: On 09/27/2011 01:13 PM, Michael S. Tsirkin wrote: On Tue, Sep 27, 2011 at 10:50:48AM -0400, Stefan Berger wrote: +Since the host's firmware (BIOS/UEFI) has already initialized the T

Re: [Qemu-devel] [PATCH V10 5/5] Add a TPM Passthrough backend driver implementation

2011-09-27 Thread Michael S. Tsirkin
On Tue, Sep 27, 2011 at 01:38:52PM -0400, Stefan Berger wrote: > On 09/27/2011 01:13 PM, Michael S. Tsirkin wrote: > >On Tue, Sep 27, 2011 at 10:50:48AM -0400, Stefan Berger wrote: > >>+Since the host's firmware (BIOS/UEFI) has already initialized the TPM, > >>+the VM's firmware (BIOS/UEFI) will no

Re: [Qemu-devel] [PATCH V10 5/5] Add a TPM Passthrough backend driver implementation

2011-09-27 Thread Stefan Berger
On 09/27/2011 01:13 PM, Michael S. Tsirkin wrote: On Tue, Sep 27, 2011 at 10:50:48AM -0400, Stefan Berger wrote: +Since the host's firmware (BIOS/UEFI) has already initialized the TPM, +the VM's firmware (BIOS/UEFI) will not be able to initialize the +TPM again and may therefore not show a TPM-s

Re: [Qemu-devel] [PATCH V10 5/5] Add a TPM Passthrough backend driver implementation

2011-09-27 Thread Michael S. Tsirkin
On Tue, Sep 27, 2011 at 10:50:48AM -0400, Stefan Berger wrote: > +Since the host's firmware (BIOS/UEFI) has already initialized the TPM, > +the VM's firmware (BIOS/UEFI) will not be able to initialize the > +TPM again and may therefore not show a TPM-specific menu that would > +otherwise allow the

[Qemu-devel] [PATCH V10 5/5] Add a TPM Passthrough backend driver implementation

2011-09-27 Thread Stefan Berger
>From Andreas Niederl's original posting with adaptations where necessary: This patch is based of off version 9 of Stefan Berger's patch series "Qemu Trusted Platform Module (TPM) integration" and adds a new backend driver for it. This patch adds a passthrough backend driver for passing command