1394b701cSMatt Porter /* 2394b701cSMatt Porter * RapidIO interconnect services 3394b701cSMatt Porter * 4394b701cSMatt Porter * Copyright 2005 MontaVista Software, Inc. 5394b701cSMatt Porter * Matt Porter <mporter@kernel.crashing.org> 6394b701cSMatt Porter * 7394b701cSMatt Porter * This program is free software; you can redistribute it and/or modify it 8394b701cSMatt Porter * under the terms of the GNU General Public License as published by the 9394b701cSMatt Porter * Free Software Foundation; either version 2 of the License, or (at your 10394b701cSMatt Porter * option) any later version. 11394b701cSMatt Porter */ 12394b701cSMatt Porter 13394b701cSMatt Porter #include <linux/device.h> 14394b701cSMatt Porter #include <linux/list.h> 15394b701cSMatt Porter #include <linux/rio.h> 16394b701cSMatt Porter 17394b701cSMatt Porter /* Functions internal to the RIO core code */ 18394b701cSMatt Porter 19394b701cSMatt Porter extern u32 rio_mport_get_feature(struct rio_mport *mport, int local, u16 destid, 20394b701cSMatt Porter u8 hopcount, int ftr); 21394b701cSMatt Porter extern int rio_create_sysfs_dev_files(struct rio_dev *rdev); 22394b701cSMatt Porter extern int rio_enum_mport(struct rio_mport *mport); 23394b701cSMatt Porter extern int rio_disc_mport(struct rio_mport *mport); 24*07590ff0SAlexandre Bounine extern int rio_std_route_add_entry(struct rio_mport *mport, u16 destid, 25*07590ff0SAlexandre Bounine u8 hopcount, u16 table, u16 route_destid, 26*07590ff0SAlexandre Bounine u8 route_port); 27*07590ff0SAlexandre Bounine extern int rio_std_route_get_entry(struct rio_mport *mport, u16 destid, 28*07590ff0SAlexandre Bounine u8 hopcount, u16 table, u16 route_destid, 29*07590ff0SAlexandre Bounine u8 *route_port); 30*07590ff0SAlexandre Bounine extern int rio_std_route_clr_table(struct rio_mport *mport, u16 destid, 31*07590ff0SAlexandre Bounine u8 hopcount, u16 table); 32394b701cSMatt Porter 33394b701cSMatt Porter /* Structures internal to the RIO core code */ 34394b701cSMatt Porter extern struct device_attribute rio_dev_attrs[]; 35394b701cSMatt Porter extern spinlock_t rio_global_list_lock; 36394b701cSMatt Porter 37fa78cc51SMatt Porter extern struct rio_route_ops __start_rio_route_ops[]; 38fa78cc51SMatt Porter extern struct rio_route_ops __end_rio_route_ops[]; 39fa78cc51SMatt Porter 40394b701cSMatt Porter /* Helpers internal to the RIO core code */ 41*07590ff0SAlexandre Bounine #define DECLARE_RIO_ROUTE_SECTION(section, name, vid, did, add_hook, get_hook, clr_hook) \ 42*07590ff0SAlexandre Bounine static const struct rio_route_ops __rio_route_##name __used \ 43*07590ff0SAlexandre Bounine __section(section) = { vid, did, add_hook, get_hook, clr_hook }; 44394b701cSMatt Porter 45394b701cSMatt Porter /** 46394b701cSMatt Porter * DECLARE_RIO_ROUTE_OPS - Registers switch routing operations 47394b701cSMatt Porter * @vid: RIO vendor ID 48394b701cSMatt Porter * @did: RIO device ID 49394b701cSMatt Porter * @add_hook: Callback that adds a route entry 50394b701cSMatt Porter * @get_hook: Callback that gets a route entry 51394b701cSMatt Porter * 52394b701cSMatt Porter * Manipulating switch route tables in RIO is switch specific. This 53394b701cSMatt Porter * registers a switch by vendor and device ID with two callbacks for 54394b701cSMatt Porter * modifying and retrieving route entries in a switch. A &struct 55394b701cSMatt Porter * rio_route_ops is initialized with the ops and placed into a 56394b701cSMatt Porter * RIO-specific kernel section. 57394b701cSMatt Porter */ 58*07590ff0SAlexandre Bounine #define DECLARE_RIO_ROUTE_OPS(vid, did, add_hook, get_hook, clr_hook) \ 59*07590ff0SAlexandre Bounine DECLARE_RIO_ROUTE_SECTION(.rio_route_ops, vid##did, \ 60*07590ff0SAlexandre Bounine vid, did, add_hook, get_hook, clr_hook) 61394b701cSMatt Porter 62e0423236SZhang Wei #define RIO_GET_DID(size, x) (size ? (x & 0xffff) : ((x & 0x00ff0000) >> 16)) 63e0423236SZhang Wei #define RIO_SET_DID(size, x) (size ? (x & 0xffff) : ((x & 0x000000ff) << 16)) 64