|  | /* | 
|  | * 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)) |