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 #define RIO_MAX_CHK_RETRY 3
19 /* Functions internal to the RIO core code */
21 extern u32 rio_mport_get_feature(struct rio_mport *mport, int local, u16 destid,
22 u8 hopcount, int ftr);
23 extern u32 rio_mport_get_physefb(struct rio_mport *port, int local,
24 u16 destid, u8 hopcount);
25 extern u32 rio_mport_get_efb(struct rio_mport *port, int local, u16 destid,
26 u8 hopcount, u32 from);
27 extern int rio_mport_chk_dev_access(struct rio_mport *mport, u16 destid,
29 extern int rio_create_sysfs_dev_files(struct rio_dev *rdev);
30 extern int rio_enum_mport(struct rio_mport *mport);
31 extern int rio_disc_mport(struct rio_mport *mport);
32 extern int rio_std_route_add_entry(struct rio_mport *mport, u16 destid,
33 u8 hopcount, u16 table, u16 route_destid,
35 extern int rio_std_route_get_entry(struct rio_mport *mport, u16 destid,
36 u8 hopcount, u16 table, u16 route_destid,
38 extern int rio_std_route_clr_table(struct rio_mport *mport, u16 destid,
39 u8 hopcount, u16 table);
40 extern int rio_set_port_lockout(struct rio_dev *rdev, u32 pnum, int lock);
41 extern struct rio_dev *rio_get_comptag(u32 comp_tag, struct rio_dev *from);
43 /* Structures internal to the RIO core code */
44 extern struct device_attribute rio_dev_attrs[];
45 extern spinlock_t rio_global_list_lock;
47 extern struct rio_switch_ops __start_rio_switch_ops[];
48 extern struct rio_switch_ops __end_rio_switch_ops[];
50 /* Helpers internal to the RIO core code */
51 #define DECLARE_RIO_SWITCH_SECTION(section, name, vid, did, init_hook) \
52 static const struct rio_switch_ops __rio_switch_##name __used \
53 __section(section) = { vid, did, init_hook };
56 * DECLARE_RIO_SWITCH_INIT - Registers switch initialization routine
59 * @init_hook: Callback that performs switch-specific initialization
61 * Manipulating switch route tables and error management in RIO
62 * is switch specific. This registers a switch by vendor and device ID with
63 * initialization callback for setting up switch operations and (if required)
64 * hardware initialization. A &struct rio_switch_ops is initialized with
65 * pointer to the init routine and placed into a RIO-specific kernel section.
67 #define DECLARE_RIO_SWITCH_INIT(vid, did, init_hook) \
68 DECLARE_RIO_SWITCH_SECTION(.rio_switch_ops, vid##did, \
71 #define RIO_GET_DID(size, x) (size ? (x & 0xffff) : ((x & 0x00ff0000) >> 16))
72 #define RIO_SET_DID(size, x) (size ? (x & 0xffff) : ((x & 0x000000ff) << 16))