From: Ashish Kalra <ashish.kalra@xxxxxxx>
Extend information returned about SNP platform's status and capabilities
such as SNP_FEATURE_INFO command availability, ciphertext hiding enabled
and ciphertext hiding capability.
Signed-off-by: Ashish Kalra <ashish.kalra@xxxxxxx>
---
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 2289b7c76c59..19a0a284b798 100644
--- a/include/uapi/linux/psp-sev.h
+++ b/include/uapi/linux/psp-sev.h
@@ -177,6 +177,10 @@ 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 enabled
+ * @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
@@ -192,7 +196,11 @@ 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 */
--
2.34.1
