/*
   * RapidIO interconnect services
   *
   * Copyright 2005 MontaVista Software, Inc.
   * Matt Porter <mporter@kernel.crashing.org>
   *
   * This program is free software; you can redistribute  it and/or modify it
   * under  the terms of  the GNU General  Public License as published by the
   * Free Software Foundation;  either version 2 of the  License, or (at your
   * option) any later version.
   */
  
  #include <linux/device.h>
  #include <linux/list.h>
  #include <linux/rio.h>

  #define RIO_MAX_CHK_RETRY	3

  /* Functions internal to the RIO core code */
  
  extern u32 rio_mport_get_feature(struct rio_mport *mport, int local, u16 destid,
  				 u8 hopcount, int ftr);

  extern u32 rio_mport_get_physefb(struct rio_mport *port, int local,
  				 u16 destid, u8 hopcount);
  extern u32 rio_mport_get_efb(struct rio_mport *port, int local, u16 destid,
  			     u8 hopcount, u32 from);

  extern int rio_mport_chk_dev_access(struct rio_mport *mport, u16 destid,
  				    u8 hopcount);

  extern int rio_create_sysfs_dev_files(struct rio_dev *rdev);
  extern int rio_enum_mport(struct rio_mport *mport);
  extern int rio_disc_mport(struct rio_mport *mport);

  extern int rio_std_route_add_entry(struct rio_mport *mport, u16 destid,
  				   u8 hopcount, u16 table, u16 route_destid,
  				   u8 route_port);
  extern int rio_std_route_get_entry(struct rio_mport *mport, u16 destid,
  				   u8 hopcount, u16 table, u16 route_destid,
  				   u8 *route_port);
  extern int rio_std_route_clr_table(struct rio_mport *mport, u16 destid,
  				   u8 hopcount, u16 table);

  extern int rio_set_port_lockout(struct rio_dev *rdev, u32 pnum, int lock);

  extern struct rio_dev *rio_get_comptag(u32 comp_tag, struct rio_dev *from);

  
  /* Structures internal to the RIO core code */
  extern struct device_attribute rio_dev_attrs[];
  extern spinlock_t rio_global_list_lock;

  extern struct rio_switch_ops __start_rio_switch_ops[];
  extern struct rio_switch_ops __end_rio_switch_ops[];

  /* Helpers internal to the RIO core code */

  #define DECLARE_RIO_SWITCH_SECTION(section, name, vid, did, init_hook) \
  	static const struct rio_switch_ops __rio_switch_##name __used \
  	__section(section) = { vid, did, init_hook };

  
  /**

   * DECLARE_RIO_SWITCH_INIT - Registers switch initialization routine

   * @vid: RIO vendor ID
   * @did: RIO device ID

   * @init_hook: Callback that performs switch-specific initialization

   *

   * Manipulating switch route tables and error management in RIO
   * is switch specific. This registers a switch by vendor and device ID with
   * initialization callback for setting up switch operations and (if required)
   * hardware initialization. A &struct rio_switch_ops is initialized with
   * pointer to the init routine and placed into a RIO-specific kernel section.

   */

  #define DECLARE_RIO_SWITCH_INIT(vid, did, init_hook)		\
  	DECLARE_RIO_SWITCH_SECTION(.rio_switch_ops, vid##did, \
  			vid, did, init_hook)

  #define RIO_GET_DID(size, x)	(size ? (x & 0xffff) : ((x & 0x00ff0000) >> 16))
  #define RIO_SET_DID(size, x)	(size ? (x & 0xffff) : ((x & 0x000000ff) << 16))