On 14.12.2022 21:40, Michael Roth wrote:
> From: Brijesh Singh <brijesh.singh@xxxxxxx>
>
> +/*
> + * struct sev_user_data_snp_config - system wide configuration value for SNP.
> + *
> + * @reported_tcb: The TCB version to report in the guest attestation report.
> + * @mask_chip_id: Indicates that the CHID_ID field in the attestation report
> + * will always be zero.
> + */
> +struct sev_user_data_snp_config {
> + __u64 reported_tcb; /* In */
> + __u32 mask_chip_id; /* In */
> + __u8 rsvd[52];
> +} __packed;
> +
Based on table 45 section 8.6.1 in
https://www.amd.com/system/files/TechDocs/56860.pdf I think this should be
struct sev_user_data_snp_config {
__u64 reported_tcb; /* In */
__u32 mask_chip_id:1; /* In */
__u32 mask_chip_key:1; /* In */
__u32 rsvd:30;
__u8 rsvd1[52];
} __packed;
--
Sabin.
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