diff mbox series

[v2,1/3] crypto: ccp: New bit-field definitions for SNP_PLATFORM_STATUS command

Message ID afd7d4c5192109519ada49885e9585a1699820bc.1726602374.git.ashish.kalra@amd.com
State New
Headers show
Series Add SEV-SNP CipherTextHiding feature support | expand

Commit Message

Ashish Kalra Sept. 17, 2024, 8:16 p.m. UTC 
From: Ashish Kalra <ashish.kalra@amd.com>

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 <ashish.kalra@amd.com>
---
 include/uapi/linux/psp-sev.h | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/include/uapi/linux/psp-sev.h b/include/uapi/linux/psp-sev.h
index 832c15d9155b..dd7298b67b37 100644
--- a/include/uapi/linux/psp-sev.h
+++ b/include/uapi/linux/psp-sev.h
@@ -178,6 +178,10 @@  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
@@ -193,7 +197,11 @@  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 */