On 3/11/25 04:42, Stefano Garzarella wrote:
> SNP platform can provide a vTPM device emulated by SVSM.
>
> The "tpm-svsm" device can be handled by the platform driver added
> by the previous commit in drivers/char/tpm/tpm_svsm.c
>
> The driver will call snp_svsm_vtpm_probe() to check if SVSM is
>
On Fri, Feb 28, 2025 at 06:07:16PM +0100, Stefano Garzarella wrote:
> +bool snp_svsm_vtpm_probe(void)
> +{
> + struct svsm_call call = {};
> + u64 send_cmd_mask = 0;
> + u64 platform_cmds;
> + u64 features;
> + int ret;
> +
> + /* The vTPM device is available only if we have
On 3/11/25 04:42, Stefano Garzarella wrote:
> 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 pr
On Mon, Mar 10, 2025 at 12:30:06PM +0100, Borislav Petkov wrote:
On Fri, Feb 28, 2025 at 06:07:16PM +0100, Stefano Garzarella wrote:
+bool snp_svsm_vtpm_probe(void)
+{
+ struct svsm_call call = {};
+ u64 send_cmd_mask = 0;
+ u64 platform_cmds;
+ u64 features;
+ int
