text: // SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
  /*
   * This file is provided under a dual BSD/GPLv2 license.  When using or
   * redistributing this file, you may do so under either license.
   *
   * GPL LICENSE SUMMARY
   *
   * Copyright(c) 2016 Google Inc. All rights reserved.
   * Copyright(c) 2016 Linaro Ltd. All rights reserved.
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of version 2 of the GNU General Public License as
   * published by the Free Software Foundation.
   *
   * This program is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   * General Public License version 2 for more details.
   *
   * BSD LICENSE
   *
   * Copyright(c) 2016 Google Inc. All rights reserved.
   * Copyright(c) 2016 Linaro Ltd. All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *
   *  * Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   *  * Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in
   *    the documentation and/or other materials provided with the
   *    distribution.
   *  * Neither the name of Google Inc. or Linaro Ltd. nor the names of
   *    its contributors may be used to endorse or promote products
   *    derived from this software without specific prior written
   *    permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
   * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GOOGLE INC. OR
   * LINARO LTD. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
   * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
   * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
   * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
   * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  
  #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 */
  