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: 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>

diff --git a/include/uapi/linux/psp-sev.h b/include/uapi/linux/psp-sev.h
index eeb20dfb1fdaa420ca99dc0b4c0ccf08b8882a1d..c2fd324623c4c04ffc627347b15bf57da149167a 100644 (file)
--- 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 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 */