1 files changed, 37 insertions, 0 deletions
diff --git a/drivers/gpu/drm/xe/xe_guc_relay.h b/drivers/gpu/drm/xe/xe_guc_relay.h
new file mode 100644
index 000000000000..385429aa188a
--- /dev/null
+++ b/drivers/gpu/drm/xe/xe_guc_relay.h
@@ -0,0 +1,37 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright © 2023 Intel Corporation
+ */
+
+#ifndef _XE_GUC_RELAY_H_
+#define _XE_GUC_RELAY_H_
+
+#include <linux/types.h>
+#include <linux/errno.h>
+
+struct xe_guc_relay;
+
+int xe_guc_relay_init(struct xe_guc_relay *relay);
+
+int xe_guc_relay_send_to_pf(struct xe_guc_relay *relay,
+			    const u32 *msg, u32 len, u32 *buf, u32 buf_size);
+
+int xe_guc_relay_process_guc2vf(struct xe_guc_relay *relay, const u32 *msg, u32 len);
+
+#ifdef CONFIG_PCI_IOV
+int xe_guc_relay_send_to_vf(struct xe_guc_relay *relay, u32 target,
+			    const u32 *msg, u32 len, u32 *buf, u32 buf_size);
+int xe_guc_relay_process_guc2pf(struct xe_guc_relay *relay, const u32 *msg, u32 len);
+#else
+static inline int xe_guc_relay_send_to_vf(struct xe_guc_relay *relay, u32 target,
+					  const u32 *msg, u32 len, u32 *buf, u32 buf_size)
+{
+	return -ENODEV;
+}
+static inline int xe_guc_relay_process_guc2pf(struct xe_guc_relay *relay, const u32 *msg, u32 len)
+{
+	return -ENODEV;
+}
+#endif
+
+#endif