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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#define RIO_MAX_CHK_RETRY 3
18#define RIO_MPORT_ANY (-1)
19
20/* Functions internal to the RIO core code */
21
22extern u32 rio_mport_get_feature(struct rio_mport *mport, int local, u16 destid,
23 u8 hopcount, int ftr);
24extern u32 rio_mport_get_physefb(struct rio_mport *port, int local,
25 u16 destid, u8 hopcount);
26extern u32 rio_mport_get_efb(struct rio_mport *port, int local, u16 destid,
27 u8 hopcount, u32 from);
28extern int rio_mport_chk_dev_access(struct rio_mport *mport, u16 destid,
29 u8 hopcount);
30extern int rio_create_sysfs_dev_files(struct rio_dev *rdev);
31extern void rio_remove_sysfs_dev_files(struct rio_dev *rdev);
32extern int rio_lock_device(struct rio_mport *port, u16 destid,
33 u8 hopcount, int wait_ms);
34extern int rio_unlock_device(struct rio_mport *port, u16 destid, u8 hopcount);
35extern int rio_route_add_entry(struct rio_dev *rdev,
36 u16 table, u16 route_destid, u8 route_port, int lock);
37extern int rio_route_get_entry(struct rio_dev *rdev, u16 table,
38 u16 route_destid, u8 *route_port, int lock);
39extern int rio_route_clr_table(struct rio_dev *rdev, u16 table, int lock);
40extern int rio_set_port_lockout(struct rio_dev *rdev, u32 pnum, int lock);
41extern struct rio_dev *rio_get_comptag(u32 comp_tag, struct rio_dev *from);
42extern struct rio_net *rio_alloc_net(struct rio_mport *mport);
43extern int rio_add_net(struct rio_net *net);
44extern void rio_free_net(struct rio_net *net);
45extern int rio_add_device(struct rio_dev *rdev);
46extern void rio_del_device(struct rio_dev *rdev, enum rio_device_state state);
47extern int rio_enable_rx_tx_port(struct rio_mport *port, int local, u16 destid,
48 u8 hopcount, u8 port_num);
49extern int rio_register_scan(int mport_id, struct rio_scan *scan_ops);
50extern int rio_unregister_scan(int mport_id, struct rio_scan *scan_ops);
51extern void rio_attach_device(struct rio_dev *rdev);
52extern struct rio_mport *rio_find_mport(int mport_id);
53extern int rio_mport_scan(int mport_id);
54
55/* Structures internal to the RIO core code */
56extern const struct attribute_group *rio_dev_groups[];
57extern const struct attribute_group *rio_bus_groups[];
58extern const struct attribute_group *rio_mport_groups[];
59
60#define RIO_GET_DID(size, x) (size ? (x & 0xffff) : ((x & 0x00ff0000) >> 16))
61#define RIO_SET_DID(size, x) (size ? (x & 0xffff) : ((x & 0x000000ff) << 16))
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#define RIO_MAX_CHK_RETRY 3
18
19/* Functions internal to the RIO core code */
20
21extern u32 rio_mport_get_feature(struct rio_mport *mport, int local, u16 destid,
22 u8 hopcount, int ftr);
23extern u32 rio_mport_get_physefb(struct rio_mport *port, int local,
24 u16 destid, u8 hopcount);
25extern u32 rio_mport_get_efb(struct rio_mport *port, int local, u16 destid,
26 u8 hopcount, u32 from);
27extern int rio_mport_chk_dev_access(struct rio_mport *mport, u16 destid,
28 u8 hopcount);
29extern int rio_create_sysfs_dev_files(struct rio_dev *rdev);
30extern int rio_enum_mport(struct rio_mport *mport);
31extern int rio_disc_mport(struct rio_mport *mport);
32extern int rio_std_route_add_entry(struct rio_mport *mport, u16 destid,
33 u8 hopcount, u16 table, u16 route_destid,
34 u8 route_port);
35extern int rio_std_route_get_entry(struct rio_mport *mport, u16 destid,
36 u8 hopcount, u16 table, u16 route_destid,
37 u8 *route_port);
38extern int rio_std_route_clr_table(struct rio_mport *mport, u16 destid,
39 u8 hopcount, u16 table);
40extern int rio_set_port_lockout(struct rio_dev *rdev, u32 pnum, int lock);
41extern struct rio_dev *rio_get_comptag(u32 comp_tag, struct rio_dev *from);
42
43/* Structures internal to the RIO core code */
44extern struct device_attribute rio_dev_attrs[];
45extern spinlock_t rio_global_list_lock;
46
47extern struct rio_switch_ops __start_rio_switch_ops[];
48extern struct rio_switch_ops __end_rio_switch_ops[];
49
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 };
54
55/**
56 * DECLARE_RIO_SWITCH_INIT - Registers switch initialization routine
57 * @vid: RIO vendor ID
58 * @did: RIO device ID
59 * @init_hook: Callback that performs switch-specific initialization
60 *
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.
66 */
67#define DECLARE_RIO_SWITCH_INIT(vid, did, init_hook) \
68 DECLARE_RIO_SWITCH_SECTION(.rio_switch_ops, vid##did, \
69 vid, did, init_hook)
70
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))