1 files changed, 29 insertions, 0 deletions
diff --git a/include/linux/tpm_command.h b/include/linux/tpm_command.h
new file mode 100644
index 000000000..f5c03e9c3
--- /dev/null
+++ b/include/linux/tpm_command.h
@@ -0,0 +1,29 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __LINUX_TPM_COMMAND_H__
+#define __LINUX_TPM_COMMAND_H__
+
+/*
+ * TPM Command constants from specifications at
+ * http://www.trustedcomputinggroup.org
+ */
+
+/* Command TAGS */
+#define TPM_TAG_RQU_COMMAND             193
+#define TPM_TAG_RQU_AUTH1_COMMAND       194
+#define TPM_TAG_RQU_AUTH2_COMMAND       195
+#define TPM_TAG_RSP_COMMAND             196
+#define TPM_TAG_RSP_AUTH1_COMMAND       197
+#define TPM_TAG_RSP_AUTH2_COMMAND       198
+
+/* Command Ordinals */
+#define TPM_ORD_GETRANDOM               70
+#define TPM_ORD_OSAP                    11
+#define TPM_ORD_OIAP                    10
+#define TPM_ORD_SEAL                    23
+#define TPM_ORD_UNSEAL                  24
+
+/* Other constants */
+#define SRKHANDLE                       0x40000000
+#define TPM_NONCE_SIZE                  20
+
+#endif