diff --git a/offload/plugins-nextgen/host/dynamic_ffi/ffi.h b/offload/plugins-nextgen/host/dynamic_ffi/ffi.h
index 80aa512236d28..33285b4aef402 100644
--- a/offload/plugins-nextgen/host/dynamic_ffi/ffi.h
+++ b/offload/plugins-nextgen/host/dynamic_ffi/ffi.h
@@ -53,6 +53,16 @@ typedef enum ffi_abi {
 #else
 #error "Unknown ABI"
 #endif
+} ffi_abi;
+
+typedef struct {
+  ffi_abi abi;
+  unsigned nargs;
+  ffi_type **arg_types;
+  ffi_type *rtype;
+  unsigned bytes;
+  unsigned flags;
+  long long extra_fields; // Longest extra field defined in the FFI sources
 } ffi_cif;
 
 #ifdef __cplusplus