Re: [PATCH v6 3/4] tpm: add SNP SVSM vTPM driver

2025-04-09 Thread Jarkko Sakkinen
On Wed, Apr 09, 2025 at 11:43:55AM +0200, Stefano Garzarella wrote: > On Thu, 3 Apr 2025 at 21:05, Jarkko Sakkinen wrote: > > > > On Thu, Apr 03, 2025 at 12:09:41PM +0200, Stefano Garzarella wrote: > > > From: Stefano Garzarella > > > > > > Add driver for the vTPM defined by the AMD SVSM spec [1]

Re: [PATCH v6 3/4] tpm: add SNP SVSM vTPM driver

2025-04-09 Thread Stefano Garzarella
On Fri, 4 Apr 2025 at 20:59, Dionna Amalie Glaze wrote: > > On Fri, Apr 4, 2025 at 11:37 AM Stefano Garzarella > wrote: > > > > On Fri, 4 Apr 2025 at 19:32, Dionna Amalie Glaze > > wrote: > > > > > > On Thu, Apr 3, 2025 at 3:10 AM Stefano Garzarella > > > wrote: > > > > > > > > From: Stefano

Re: [PATCH v6 3/4] tpm: add SNP SVSM vTPM driver

2025-04-09 Thread Stefano Garzarella
On Thu, 3 Apr 2025 at 21:05, Jarkko Sakkinen wrote: > > On Thu, Apr 03, 2025 at 12:09:41PM +0200, 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 t

[PATCH v6 3/4] tpm: add SNP SVSM vTPM driver

2025-04-04 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

Re: [PATCH v6 3/4] tpm: add SNP SVSM vTPM driver

2025-04-04 Thread Dionna Amalie Glaze
On Fri, Apr 4, 2025 at 11:37 AM Stefano Garzarella wrote: > > On Fri, 4 Apr 2025 at 19:32, Dionna Amalie Glaze > wrote: > > > > On Thu, Apr 3, 2025 at 3:10 AM Stefano Garzarella > > wrote: > > > > > > From: Stefano Garzarella > > > > > > Add driver for the vTPM defined by the AMD SVSM spec [1

Re: [PATCH v6 3/4] tpm: add SNP SVSM vTPM driver

2025-04-04 Thread Stefano Garzarella
On Fri, 4 Apr 2025 at 19:32, Dionna Amalie Glaze wrote: > > On Thu, Apr 3, 2025 at 3:10 AM 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

Re: [PATCH v6 3/4] tpm: add SNP SVSM vTPM driver

2025-04-04 Thread Dionna Amalie Glaze
On Thu, Apr 3, 2025 at 3:10 AM 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 Module (S

Re: [PATCH v6 3/4] tpm: add SNP SVSM vTPM driver

2025-04-03 Thread Jarkko Sakkinen
On Thu, Apr 03, 2025 at 12:09:41PM +0200, 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