text: /*
   *
   * Intel Management Engine Interface (Intel MEI) Linux driver
   * Copyright (c) 2003-2012, Intel Corporation.
   *
   * This program is free software; you can redistribute it and/or modify it
   * under the terms and conditions of the GNU General Public License,
   * version 2, as published by the Free Software Foundation.
   *
   * This program is distributed in the hope 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 for
   * more details.
   *
   */
  
  #ifndef _MEI_HBM_H_
  #define _MEI_HBM_H_
  
  struct mei_device;
  struct mei_msg_hdr;
  struct mei_cl;
  
  /**
   * enum mei_hbm_state - host bus message protocol state
   *
   * @MEI_HBM_IDLE : protocol not started
   * @MEI_HBM_STARTING : start request message was sent
   * @MEI_HBM_STARTED : start reply message was received
   * @MEI_HBM_ENUM_CLIENTS : enumeration request was sent
   * @MEI_HBM_CLIENT_PROPERTIES : acquiring clients properties
   * @MEI_HBM_STOPPED : stopping exchange
   */
  enum mei_hbm_state {
  	MEI_HBM_IDLE = 0,
  	MEI_HBM_STARTING,
  	MEI_HBM_STARTED,
  	MEI_HBM_ENUM_CLIENTS,
  	MEI_HBM_CLIENT_PROPERTIES,
  	MEI_HBM_STOPPED,
  };
  
  const char *mei_hbm_state_str(enum mei_hbm_state state);
  
  int mei_hbm_dispatch(struct mei_device *dev, struct mei_msg_hdr *hdr);
  
  void mei_hbm_idle(struct mei_device *dev);
  void mei_hbm_reset(struct mei_device *dev);
  int mei_hbm_start_req(struct mei_device *dev);
  int mei_hbm_start_wait(struct mei_device *dev);
  int mei_hbm_cl_flow_control_req(struct mei_device *dev, struct mei_cl *cl);
  int mei_hbm_cl_disconnect_req(struct mei_device *dev, struct mei_cl *cl);
  int mei_hbm_cl_disconnect_rsp(struct mei_device *dev, struct mei_cl *cl);
  int mei_hbm_cl_connect_req(struct mei_device *dev, struct mei_cl *cl);
  bool mei_hbm_version_is_supported(struct mei_device *dev);
  int mei_hbm_pg(struct mei_device *dev, u8 pg_cmd);
  
  #endif /* _MEI_HBM_H_ */
  
  