blob: b242cee656e77e5bf1a57069e15db0517b389ee2 [file] [log] [blame]
Matt Porter394b7012005-11-07 01:00:15 -08001/*
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
19extern u32 rio_mport_get_feature(struct rio_mport *mport, int local, u16 destid,
20 u8 hopcount, int ftr);
21extern int rio_create_sysfs_dev_files(struct rio_dev *rdev);
22extern int rio_enum_mport(struct rio_mport *mport);
23extern int rio_disc_mport(struct rio_mport *mport);
24
25/* Structures internal to the RIO core code */
26extern struct device_attribute rio_dev_attrs[];
27extern spinlock_t rio_global_list_lock;
28
Matt Porterfa78cc52005-11-07 01:00:18 -080029extern struct rio_route_ops __start_rio_route_ops[];
30extern struct rio_route_ops __end_rio_route_ops[];
31
Matt Porter394b7012005-11-07 01:00:15 -080032/* 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 __attribute_used__ \
35 __attribute__((__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#ifdef CONFIG_RAPIDIO_8_BIT_TRANSPORT
55#define RIO_GET_DID(x) ((x & 0x00ff0000) >> 16)
56#define RIO_SET_DID(x) ((x & 0x000000ff) << 16)
57#else
58#define RIO_GET_DID(x) (x & 0xffff)
59#define RIO_SET_DID(x) (x & 0xffff)
60#endif