Initial GXFP5130 userspace prototype

include/gxfp/request.h

@@ -0,0 +1,28 @@
+// SPDX-License-Identifier: GPL-2.0-only
+#ifndef GXFP_REQUEST_H
+#define GXFP_REQUEST_H
+
+#include <stddef.h>
+#include <stdint.h>
+
+struct gxfp_device;
+
+struct gxfp_response {
+	uint8_t command;
+	uint8_t *payload;
+	size_t payload_len;
+	uint64_t timestamp_ns;
+};
+
+int gxfp_request(struct gxfp_device *device,
+		 uint8_t command,
+		 const void *payload,
+		 size_t payload_len,
+		 uint8_t expected_command,
+		 unsigned int max_frames,
+		 int timeout_ms,
+		 struct gxfp_response *response);
+
+void gxfp_response_release(struct gxfp_response *response);
+
+#endif