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 /* Functions internal to the RIO core code */ 18 19 extern u32 rio_mport_get_feature(struct rio_mport *mport, int local, u16 destid, 20 u8 hopcount, int ftr); 21 extern int rio_create_sysfs_dev_files(struct rio_dev *rdev); 22 extern int rio_enum_mport(struct rio_mport *mport); 23 extern int rio_disc_mport(struct rio_mport *mport); 24 25 /* Structures internal to the RIO core code */ 26 extern struct device_attribute rio_dev_attrs[]; 27 extern spinlock_t rio_global_list_lock; 28 29 extern struct rio_route_ops __start_rio_route_ops[]; 30 extern struct rio_route_ops __end_rio_route_ops[]; 31 32 /* Helpers internal to the RIO core code */ 33 #define DECLARE_RIO_ROUTE_SECTION(section, vid, did, add_hook, get_hook) \ 34 static struct rio_route_ops __rio_route_ops __used \ 35 __section(section)= { vid, did, add_hook, get_hook }; 36 37 /** 38 * DECLARE_RIO_ROUTE_OPS - Registers switch routing operations 39 * @vid: RIO vendor ID 40 * @did: RIO device ID 41 * @add_hook: Callback that adds a route entry 42 * @get_hook: Callback that gets a route entry 43 * 44 * Manipulating switch route tables in RIO is switch specific. This 45 * registers a switch by vendor and device ID with two callbacks for 46 * modifying and retrieving route entries in a switch. A &struct 47 * rio_route_ops is initialized with the ops and placed into a 48 * RIO-specific kernel section. 49 */ 50 #define DECLARE_RIO_ROUTE_OPS(vid, did, add_hook, get_hook) \ 51 DECLARE_RIO_ROUTE_SECTION(.rio_route_ops, \ 52 vid, did, add_hook, get_hook) 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