2 * RapidIO interconnect services
4 * Copyright 2005 MontaVista Software, Inc.
5 * Matt Porter <mporter@kernel.crashing.org>
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.
13 #include <linux/device.h>
14 #include <linux/list.h>
15 #include <linux/rio.h>
17 /* Functions internal to the RIO core code */
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 extern int rio_std_route_add_entry(struct rio_mport *mport, u16 destid,
25 u8 hopcount, u16 table, u16 route_destid,
27 extern int rio_std_route_get_entry(struct rio_mport *mport, u16 destid,
28 u8 hopcount, u16 table, u16 route_destid,
30 extern int rio_std_route_clr_table(struct rio_mport *mport, u16 destid,
31 u8 hopcount, u16 table);
33 /* Structures internal to the RIO core code */
34 extern struct device_attribute rio_dev_attrs[];
35 extern spinlock_t rio_global_list_lock;
37 extern struct rio_route_ops __start_rio_route_ops[];
38 extern struct rio_route_ops __end_rio_route_ops[];
40 /* Helpers internal to the RIO core code */
41 #define DECLARE_RIO_ROUTE_SECTION(section, name, vid, did, add_hook, get_hook, clr_hook) \
42 static const struct rio_route_ops __rio_route_##name __used \
43 __section(section) = { vid, did, add_hook, get_hook, clr_hook };
46 * DECLARE_RIO_ROUTE_OPS - Registers switch routing operations
49 * @add_hook: Callback that adds a route entry
50 * @get_hook: Callback that gets a route entry
52 * Manipulating switch route tables in RIO is switch specific. This
53 * registers a switch by vendor and device ID with two callbacks for
54 * modifying and retrieving route entries in a switch. A &struct
55 * rio_route_ops is initialized with the ops and placed into a
56 * RIO-specific kernel section.
58 #define DECLARE_RIO_ROUTE_OPS(vid, did, add_hook, get_hook, clr_hook) \
59 DECLARE_RIO_ROUTE_SECTION(.rio_route_ops, vid##did, \
60 vid, did, add_hook, get_hook, clr_hook)
62 #define RIO_GET_DID(size, x) (size ? (x & 0xffff) : ((x & 0x00ff0000) >> 16))
63 #define RIO_SET_DID(size, x) (size ? (x & 0xffff) : ((x & 0x000000ff) << 16))