linux/drivers/rapidio/rio.h
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   1/*
   2 * RapidIO interconnect services
   3 *
   4 * Copyright 2005 MontaVista Software, Inc.
   5 * Matt Porter <mporter@kernel.crashing.org>
   6 *
   7 * This program is free software; you can redistribute  it and/or modify it
   8 * under  the terms of  the GNU General  Public License as published by the
   9 * Free Software Foundation;  either version 2 of the  License, or (at your
  10 * option) any later version.
  11 */
  12
  13#include <linux/device.h>
  14#include <linux/list.h>
  15#include <linux/rio.h>
  16
  17#define RIO_MAX_CHK_RETRY       3
  18#define RIO_MPORT_ANY           (-1)
  19
  20/* Functions internal to the RIO core code */
  21
  22extern u32 rio_mport_get_feature(struct rio_mport *mport, int local, u16 destid,
  23                                 u8 hopcount, int ftr);
  24extern u32 rio_mport_get_physefb(struct rio_mport *port, int local,
  25                                 u16 destid, u8 hopcount);
  26extern u32 rio_mport_get_efb(struct rio_mport *port, int local, u16 destid,
  27                             u8 hopcount, u32 from);
  28extern int rio_mport_chk_dev_access(struct rio_mport *mport, u16 destid,
  29                                    u8 hopcount);
  30extern int rio_create_sysfs_dev_files(struct rio_dev *rdev);
  31extern int rio_lock_device(struct rio_mport *port, u16 destid,
  32                        u8 hopcount, int wait_ms);
  33extern int rio_unlock_device(struct rio_mport *port, u16 destid, u8 hopcount);
  34extern int rio_route_add_entry(struct rio_dev *rdev,
  35                        u16 table, u16 route_destid, u8 route_port, int lock);
  36extern int rio_route_get_entry(struct rio_dev *rdev, u16 table,
  37                        u16 route_destid, u8 *route_port, int lock);
  38extern int rio_route_clr_table(struct rio_dev *rdev, u16 table, int lock);
  39extern int rio_set_port_lockout(struct rio_dev *rdev, u32 pnum, int lock);
  40extern struct rio_dev *rio_get_comptag(u32 comp_tag, struct rio_dev *from);
  41extern int rio_add_device(struct rio_dev *rdev);
  42extern int rio_enable_rx_tx_port(struct rio_mport *port, int local, u16 destid,
  43                                 u8 hopcount, u8 port_num);
  44extern int rio_register_scan(int mport_id, struct rio_scan *scan_ops);
  45extern int rio_unregister_scan(int mport_id, struct rio_scan *scan_ops);
  46extern void rio_attach_device(struct rio_dev *rdev);
  47extern struct rio_mport *rio_find_mport(int mport_id);
  48extern int rio_mport_scan(int mport_id);
  49
  50/* Structures internal to the RIO core code */
  51extern struct device_attribute rio_dev_attrs[];
  52extern struct bus_attribute rio_bus_attrs[];
  53
  54#define RIO_GET_DID(size, x)    (size ? (x & 0xffff) : ((x & 0x00ff0000) >> 16))
  55#define RIO_SET_DID(size, x)    (size ? (x & 0xffff) : ((x & 0x000000ff) << 16))
  56
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