diff --git a/libc/kernel/uapi/linux/psp-sev.h b/libc/kernel/uapi/linux/psp-sev.h
index ffbcf82..82fcbf1 100644
--- a/libc/kernel/uapi/linux/psp-sev.h
+++ b/libc/kernel/uapi/linux/psp-sev.h
@@ -17,6 +17,9 @@
   SEV_PEK_CERT_IMPORT,
   SEV_GET_ID,
   SEV_GET_ID2,
+  SNP_PLATFORM_STATUS,
+  SNP_COMMIT,
+  SNP_SET_CONFIG,
   SEV_MAX,
 };
 typedef enum {
@@ -47,6 +50,12 @@
   SEV_RET_RESOURCE_LIMIT,
   SEV_RET_SECURE_DATA_INVALID,
   SEV_RET_INVALID_KEY = 0x27,
+  SEV_RET_INVALID_PAGE_SIZE,
+  SEV_RET_INVALID_PAGE_STATE,
+  SEV_RET_INVALID_MDATA_ENTRY,
+  SEV_RET_INVALID_PAGE_OWNER,
+  SEV_RET_INVALID_PAGE_AEAD_OFLOW,
+  SEV_RET_RMP_INIT_REQUIRED,
   SEV_RET_MAX,
 } sev_ret_code;
 struct sev_user_data_status {
@@ -82,6 +91,28 @@
   __u64 address;
   __u32 length;
 } __attribute__((__packed__));
+struct sev_user_data_snp_status {
+  __u8 api_major;
+  __u8 api_minor;
+  __u8 state;
+  __u8 is_rmp_initialized : 1;
+  __u8 rsvd : 7;
+  __u32 build_id;
+  __u32 mask_chip_id : 1;
+  __u32 mask_chip_key : 1;
+  __u32 vlek_en : 1;
+  __u32 rsvd1 : 29;
+  __u32 guest_count;
+  __u64 current_tcb_version;
+  __u64 reported_tcb_version;
+} __attribute__((__packed__));
+struct sev_user_data_snp_config {
+  __u64 reported_tcb;
+  __u32 mask_chip_id : 1;
+  __u32 mask_chip_key : 1;
+  __u32 rsvd : 30;
+  __u8 rsvd1[52];
+} __attribute__((__packed__));
 struct sev_issue_cmd {
   __u32 cmd;
   __u64 data;