| Matt Porter | 394b701 | 2005-11-07 01:00:15 -0800 | [diff] [blame] | 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 | |
| Matt Porter | fa78cc5 | 2005-11-07 01:00:18 -0800 | [diff] [blame] | 29 | extern struct rio_route_ops __start_rio_route_ops[]; |
| 30 | extern struct rio_route_ops __end_rio_route_ops[]; |
| 31 | |
| Matt Porter | 394b701 | 2005-11-07 01:00:15 -0800 | [diff] [blame] | 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 __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 |