diff options
| author | Ashish Kalra <ashish.kalra@amd.com> | 2025-07-21 14:12:32 +0000 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2025-08-16 17:20:23 +0800 |
| commit | 450bbe43ef90a213d66fac1def64050d9d9ada8e (patch) | |
| tree | f796876513f0406326bc10456a1355303ffc49a8 | |
| parent | 8f5ae30d69d7543eee0d70083daf4de8fe15d585 (diff) | |
crypto: ccp - New bit-field definitions for SNP_PLATFORM_STATUS command
Define new bit-field definitions returned by SNP_PLATFORM_STATUS command
such as new capabilities like SNP_FEATURE_INFO command availability,
ciphertext hiding enabled and capability.
Reviewed-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Ashish Kalra <ashish.kalra@amd.com>
Reviewed-by: Kim Phillips <kim.phillips@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| -rw-r--r-- | include/uapi/linux/psp-sev.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/include/uapi/linux/psp-sev.h b/include/uapi/linux/psp-sev.h index eeb20dfb1fda..c2fd324623c4 100644 --- a/include/uapi/linux/psp-sev.h +++ b/include/uapi/linux/psp-sev.h @@ -185,6 +185,10 @@ struct sev_user_data_get_id2 { * @mask_chip_id: whether chip id is present in attestation reports or not * @mask_chip_key: whether attestation reports are signed or not * @vlek_en: VLEK (Version Loaded Endorsement Key) hashstick is loaded + * @feature_info: whether SNP_FEATURE_INFO command is available + * @rapl_dis: whether RAPL is disabled + * @ciphertext_hiding_cap: whether platform has ciphertext hiding capability + * @ciphertext_hiding_en: whether ciphertext hiding is enabled * @rsvd1: reserved * @guest_count: the number of guest currently managed by the firmware * @current_tcb_version: current TCB version @@ -200,7 +204,11 @@ struct sev_user_data_snp_status { __u32 mask_chip_id:1; /* Out */ __u32 mask_chip_key:1; /* Out */ __u32 vlek_en:1; /* Out */ - __u32 rsvd1:29; + __u32 feature_info:1; /* Out */ + __u32 rapl_dis:1; /* Out */ + __u32 ciphertext_hiding_cap:1; /* Out */ + __u32 ciphertext_hiding_en:1; /* Out */ + __u32 rsvd1:25; __u32 guest_count; /* Out */ __u64 current_tcb_version; /* Out */ __u64 reported_tcb_version; /* Out */ |