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/drivers/rapidio/rio.h

https://bitbucket.org/cyanogenmod/android_kernel_asus_tf300t
C Header | 72 lines | 37 code | 9 blank | 26 comment | 0 complexity | 4726ac2d4e9d297b30022836fd441a2e MD5 | raw file
Possible License(s): LGPL-2.0, AGPL-1.0, GPL-2.0
 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))