/* * 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> /* 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 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); /* Structures internal to the RIO core code */ extern struct device_attribute rio_dev_attrs[]; extern spinlock_t rio_global_list_lock; extern struct rio_route_ops __start_rio_route_ops[]; extern struct rio_route_ops __end_rio_route_ops[]; /* Helpers internal to the RIO core code */ #define DECLARE_RIO_ROUTE_SECTION(section, vid, did, add_hook, get_hook) \ static struct rio_route_ops __rio_route_ops __attribute_used__ \ __attribute__((__section__(#section))) = { vid, did, add_hook, get_hook }; /** * DECLARE_RIO_ROUTE_OPS - Registers switch routing operations * @vid: RIO vendor ID * @did: RIO device ID * @add_hook: Callback that adds a route entry * @get_hook: Callback that gets a route entry * * Manipulating switch route tables in RIO is switch specific. This * registers a switch by vendor and device ID with two callbacks for * modifying and retrieving route entries in a switch. A &struct * rio_route_ops is initialized with the ops and placed into a * RIO-specific kernel section. */ #define DECLARE_RIO_ROUTE_OPS(vid, did, add_hook, get_hook) \ DECLARE_RIO_ROUTE_SECTION(.rio_route_ops, \ vid, did, add_hook, get_hook) #ifdef CONFIG_RAPIDIO_8_BIT_TRANSPORT #define RIO_GET_DID(x) ((x & 0x00ff0000) >> 16) #define RIO_SET_DID(x) ((x & 0x000000ff) << 16) #else #define RIO_GET_DID(x) (x & 0xffff) #define RIO_SET_DID(x) (x & 0xffff) #endif