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crypto: ccp - New bit-field definitions for SNP_PLATFORM_STATUS command

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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>
This commit is contained in:
Ashish Kalra 2025-07-21 14:12:32 +00:00 committed by Herbert Xu
parent 8f5ae30d69
commit 450bbe43ef
1 changed files with 9 additions and 1 deletions
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10
include/uapi/linux/psp-sev.h
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@ -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 */