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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 19 May 2025 23:56:38.0073 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: f9c34f7e-76dd-4d96-1912-08dd9730cb4a X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: SJ5PEPF000001F1.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: IA0PR12MB8325 Content-Type: text/plain; charset="utf-8" From: Ashish Kalra 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. Signed-off-by: Ashish Kalra Reviewed-by: Tom Lendacky --- include/uapi/linux/psp-sev.h | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) 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 capabili= ty + * @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 */ --=20 2.34.1