diff --git a/drivers/gpu/nvgpu/include/nvgpu/sec2/lsfm.h b/drivers/gpu/nvgpu/include/nvgpu/sec2/lsfm.h
index 18d3112b9..0c292026e 100644
--- a/drivers/gpu/nvgpu/include/nvgpu/sec2/lsfm.h
+++ b/drivers/gpu/nvgpu/include/nvgpu/sec2/lsfm.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018-2019, NVIDIA CORPORATION.  All rights reserved.
+ * Copyright (c) 2018-2020, NVIDIA CORPORATION.  All rights reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
@@ -48,6 +48,12 @@ struct nv_sec2_acr_cmd_bootstrap_falcon {
 
 	/* ID to identify Falcon, ref FALCON_ID_<XYZ> */
 	u32 falcon_id;
+
+	/* Falcon Instance bootstrapped by ACR */
+	u32 falcon_instance;
+
+	/* Mask of indexes of same falcon to be multi bootstrapped by ACR */
+	u32 falcon_Index_Mask;
 };
 
 #define NV_SEC2_ACR_CMD_BOOTSTRAP_FALCON_FLAGS_RESET     0U
@@ -83,6 +89,9 @@ struct nv_sec2_acr_msg_bootstrap_falcon {
 
 	/* Bootstrapped falcon ID by ACR */
 	u32 falcon_id;
+
+	/* Falcon Instance bootstrapped by ACR */
+	u32 falcon_instance;
 };
 
 /*
diff --git a/drivers/gpu/nvgpu/include/nvgpu/sec2/msg.h b/drivers/gpu/nvgpu/include/nvgpu/sec2/msg.h
index 979e63983..072617bb5 100644
--- a/drivers/gpu/nvgpu/include/nvgpu/sec2/msg.h
+++ b/drivers/gpu/nvgpu/include/nvgpu/sec2/msg.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018-2019, NVIDIA CORPORATION.  All rights reserved.
+ * Copyright (c) 2018-2020, NVIDIA CORPORATION.  All rights reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
@@ -58,6 +58,9 @@ struct sec2_init_msg_sec2_init {
 
 	u32 nv_managed_area_offset;
 	u16 nv_managed_area_size;
+	/* Unused, kept for the binary compatibility */
+	u8 rsvd_1[16];
+	u8 rsvd_2[16];
 };
 
 union nv_flcn_msg_sec2_init {