/* SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) */

  /*

   * Copyright(c) 2016 Google Inc. All rights reserved.
   * Copyright(c) 2016 Linaro Ltd. All rights reserved.

   */
  
  #ifndef __ARPC_H
  #define __ARPC_H
  
  /* APBridgeA RPC (ARPC) */
  
  enum arpc_result {
  	ARPC_SUCCESS		= 0x00,
  	ARPC_NO_MEMORY		= 0x01,
  	ARPC_INVALID		= 0x02,
  	ARPC_TIMEOUT		= 0x03,
  	ARPC_UNKNOWN_ERROR	= 0xff,
  };
  
  struct arpc_request_message {
  	__le16	id;		/* RPC unique id */
  	__le16	size;		/* Size in bytes of header + payload */
  	__u8	type;		/* RPC type */
  	__u8	data[0];	/* ARPC data */
  } __packed;
  
  struct arpc_response_message {
  	__le16	id;		/* RPC unique id */
  	__u8	result;		/* Result of RPC */
  } __packed;

  /* ARPC requests */

  #define ARPC_TYPE_CPORT_CONNECTED		0x01

  #define ARPC_TYPE_CPORT_QUIESCE			0x02

  #define ARPC_TYPE_CPORT_CLEAR			0x03

  #define ARPC_TYPE_CPORT_FLUSH			0x04

  #define ARPC_TYPE_CPORT_SHUTDOWN		0x05

  struct arpc_cport_connected_req {
  	__le16 cport_id;
  } __packed;

  struct arpc_cport_quiesce_req {
  	__le16 cport_id;
  	__le16 peer_space;
  	__le16 timeout;
  } __packed;

  struct arpc_cport_clear_req {
  	__le16 cport_id;
  } __packed;

  struct arpc_cport_flush_req {
  	__le16 cport_id;
  } __packed;

  struct arpc_cport_shutdown_req {
  	__le16 cport_id;
  	__le16 timeout;
  	__u8 phase;
  } __packed;

  #endif	/* __ARPC_H */