Commit 450bbe43 authored by Ashish Kalra's avatar Ashish Kalra Committed by Herbert Xu
Browse files

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: default avatarTom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: default avatarAshish Kalra <ashish.kalra@amd.com>
Reviewed-by: default avatarKim Phillips <kim.phillips@amd.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 8f5ae30d

include/uapi/linux/psp-sev.h

+9 −1
Original line number Diff line number Diff line
@@ -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 */