optee: use export_uuid() to copy client UUID

[mirror_ubuntu-hirsute-kernel.git] / drivers / tee / optee / optee_msg.h

diff --git a/drivers/tee/optee/optee_msg.h b/drivers/tee/optee/optee_msg.h
index 7b2d919da2aceb76742a5eee5e71b6f98ad56cc7..c7ac7d02d6cc96e2c5d0baafceabead5d9c9b44c 100644 (file)
--- a/drivers/tee/optee/optee_msg.h
+++ b/drivers/tee/optee/optee_msg.h
@@ -9,7 +9,7 @@
 #include <linux/types.h>
 
 /*
- * This file defines the OP-TEE message protocol used to communicate
+ * This file defines the OP-TEE message protocol (ABI) used to communicate
  * with an instance of OP-TEE running in secure world.
  *
  * This file is divided into three sections.
@@ -146,9 +146,10 @@ struct optee_msg_param_value {
  * @tmem:      parameter by temporary memory reference
  * @rmem:      parameter by registered memory reference
  * @value:     parameter by opaque value
+ * @octets:    parameter by octet string
  *
  * @attr & OPTEE_MSG_ATTR_TYPE_MASK indicates if tmem, rmem or value is used in
- * the union. OPTEE_MSG_ATTR_TYPE_VALUE_* indicates value,
+ * the union. OPTEE_MSG_ATTR_TYPE_VALUE_* indicates value or octets,
  * OPTEE_MSG_ATTR_TYPE_TMEM_* indicates @tmem and
  * OPTEE_MSG_ATTR_TYPE_RMEM_* indicates @rmem,
  * OPTEE_MSG_ATTR_TYPE_NONE indicates that none of the members are used.
@@ -159,6 +160,7 @@ struct optee_msg_param {
                struct optee_msg_param_tmem tmem;
                struct optee_msg_param_rmem rmem;
                struct optee_msg_param_value value;
+               u8 octets[24];
        } u;
 };