Re: [PATCH v4 3/4] tpm: add SNP SVSM vTPM driver

2025-03-27 Thread Stefano Garzarella
On Thu, Mar 27, 2025 at 01:57:31PM +0200, Jarkko Sakkinen wrote: On Thu, Mar 27, 2025 at 01:53:59PM +0200, Jarkko Sakkinen wrote: On Thu, Mar 27, 2025 at 11:03:07AM +0100, Stefano Garzarella wrote: > On Wed, Mar 26, 2025 at 09:30:53PM +0200, Jarkko Sakkinen wrote: > > On Mon, Mar 24, 2025 at 11:

Re: [PATCH v4 3/4] tpm: add SNP SVSM vTPM driver

2025-03-27 Thread Jarkko Sakkinen
On Thu, Mar 27, 2025 at 01:53:59PM +0200, Jarkko Sakkinen wrote: > On Thu, Mar 27, 2025 at 11:03:07AM +0100, Stefano Garzarella wrote: > > On Wed, Mar 26, 2025 at 09:30:53PM +0200, Jarkko Sakkinen wrote: > > > On Mon, Mar 24, 2025 at 11:46:48AM +0100, Stefano Garzarella wrote: > > > > From: Stefano

Re: [PATCH v4 3/4] tpm: add SNP SVSM vTPM driver

2025-03-27 Thread Jarkko Sakkinen
On Thu, Mar 27, 2025 at 11:03:07AM +0100, Stefano Garzarella wrote: > On Wed, Mar 26, 2025 at 09:30:53PM +0200, Jarkko Sakkinen wrote: > > On Mon, Mar 24, 2025 at 11:46:48AM +0100, Stefano Garzarella wrote: > > > From: Stefano Garzarella > > > > > > Add driver for the vTPM defined by the AMD SVSM

Re: [PATCH v4 3/4] tpm: add SNP SVSM vTPM driver

2025-03-27 Thread Stefano Garzarella
On Wed, Mar 26, 2025 at 09:30:53PM +0200, Jarkko Sakkinen wrote: On Mon, Mar 24, 2025 at 11:46:48AM +0100, Stefano Garzarella wrote: From: Stefano Garzarella Add driver for the vTPM defined by the AMD SVSM spec [1]. The specification defines a protocol that a SEV-SNP guest OS can use to disco

Re: [PATCH v4 3/4] tpm: add SNP SVSM vTPM driver

2025-03-26 Thread Jarkko Sakkinen
On Mon, Mar 24, 2025 at 11:46:48AM +0100, Stefano Garzarella wrote: > From: Stefano Garzarella > > Add driver for the vTPM defined by the AMD SVSM spec [1]. > > The specification defines a protocol that a SEV-SNP guest OS can use to > discover and talk to a vTPM emulated by the Secure VM Service

[PATCH v4 3/4] tpm: add SNP SVSM vTPM driver

2025-03-24 Thread Stefano Garzarella
From: Stefano Garzarella Add driver for the vTPM defined by the AMD SVSM spec [1]. The specification defines a protocol that a SEV-SNP guest OS can use to discover and talk to a vTPM emulated by the Secure VM Service Module (SVSM) in the guest context, but at a more privileged level (VMPL0). Th