fwi: Add SetWatchdogTimer() wrapper

Signed-off-by: Ian M. <ian@aptel.org>

1 files changed, 27 insertions, 0 deletions

diff --git a/head/sboot/fwi.h b/head/sboot/fwi.h
new file mode 100644
index 0000000..033f8a6
--- /dev/null
+++ b/head/sboot/fwi.h
@@ -0,0 +1,27 @@
+/*
+ * Copyright (c) 2026, Apollo Telephone Laboratories.
+ * Provided under the BSD-3 clause.
+ */
+
+#ifndef _SBOOT_FWI_H_
+#define _SBOOT_FWI_H_ 1
+
+#include <efi.h>
+#include <efilib.h>
+
+static inline EFI_STATUS
+FwiSetWatchdogTimer(
+    IN UINTN Timeout, IN UINT64 WatchdogCode,
+    IN UINTN DataSize, IN CHAR16 *WatchdogData)
+{
+    return uefi_call_wrapper(
+        gBS->SetWatchdogTimer,
+        4,
+        Timeout,
+        WatchdogCode,
+        DataSize,
+        WatchdogData
+    );
+}
+
+#endif  /* !_SBOOT_FWI_H_ */