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Thomas Gleixner2874c5f2019-05-27 08:55:01 +02001/* SPDX-License-Identifier: GPL-2.0-or-later */
Matt Porter394b7012005-11-07 01:00:15 -08002/*
3 * RapidIO interconnect services
4 *
5 * Copyright 2005 MontaVista Software, Inc.
6 * Matt Porter <mporter@kernel.crashing.org>
Matt Porter394b7012005-11-07 01:00:15 -08007 */
8
9#include <linux/device.h>
10#include <linux/list.h>
11#include <linux/rio.h>
12
Alexandre Bounine6429cd42010-10-27 15:34:32 -070013#define RIO_MAX_CHK_RETRY 3
Alexandre Bouninea11650e2013-05-24 15:55:05 -070014#define RIO_MPORT_ANY (-1)
Alexandre Bounine6429cd42010-10-27 15:34:32 -070015
Matt Porter394b7012005-11-07 01:00:15 -080016/* Functions internal to the RIO core code */
17
18extern u32 rio_mport_get_feature(struct rio_mport *mport, int local, u16 destid,
19 u8 hopcount, int ftr);
Alexandre Bouninee5cabeb2010-05-26 14:43:59 -070020extern u32 rio_mport_get_physefb(struct rio_mport *port, int local,
Alexandre Bounine1ae842d2016-08-02 14:06:57 -070021 u16 destid, u8 hopcount, u32 *rmap);
Alexandre Bouninee5cabeb2010-05-26 14:43:59 -070022extern u32 rio_mport_get_efb(struct rio_mport *port, int local, u16 destid,
23 u8 hopcount, u32 from);
Alexandre Bouninee274e0e2010-10-27 15:34:32 -070024extern int rio_mport_chk_dev_access(struct rio_mport *mport, u16 destid,
25 u8 hopcount);
Alexandre Bounine2ec3ba62013-07-03 15:08:50 -070026extern int rio_lock_device(struct rio_mport *port, u16 destid,
27 u8 hopcount, int wait_ms);
28extern int rio_unlock_device(struct rio_mport *port, u16 destid, u8 hopcount);
29extern int rio_route_add_entry(struct rio_dev *rdev,
30 u16 table, u16 route_destid, u8 route_port, int lock);
31extern int rio_route_get_entry(struct rio_dev *rdev, u16 table,
32 u16 route_destid, u8 *route_port, int lock);
33extern int rio_route_clr_table(struct rio_dev *rdev, u16 table, int lock);
Alexandre Bouninee5cabeb2010-05-26 14:43:59 -070034extern int rio_set_port_lockout(struct rio_dev *rdev, u32 pnum, int lock);
Alexandre Bounineaf84ca32010-10-27 15:34:34 -070035extern struct rio_dev *rio_get_comptag(u32 comp_tag, struct rio_dev *from);
Alexandre Bouninee6b585c2016-03-22 14:26:17 -070036extern struct rio_net *rio_alloc_net(struct rio_mport *mport);
37extern int rio_add_net(struct rio_net *net);
38extern void rio_free_net(struct rio_net *net);
Alexandre Bouninea11650e2013-05-24 15:55:05 -070039extern int rio_add_device(struct rio_dev *rdev);
Alexandre Bounineb77a2032016-03-22 14:26:20 -070040extern void rio_del_device(struct rio_dev *rdev, enum rio_device_state state);
Alexandre Bouninea11650e2013-05-24 15:55:05 -070041extern int rio_enable_rx_tx_port(struct rio_mport *port, int local, u16 destid,
42 u8 hopcount, u8 port_num);
43extern int rio_register_scan(int mport_id, struct rio_scan *scan_ops);
Alexandre Bounine9edbc30b2013-07-03 15:08:53 -070044extern int rio_unregister_scan(int mport_id, struct rio_scan *scan_ops);
Alexandre Bouninea11650e2013-05-24 15:55:05 -070045extern void rio_attach_device(struct rio_dev *rdev);
Alexandre Bouninebc8fcfe2013-05-24 15:55:06 -070046extern struct rio_mport *rio_find_mport(int mport_id);
Alexandre Bounine9edbc30b2013-07-03 15:08:53 -070047extern int rio_mport_scan(int mport_id);
Matt Porter394b7012005-11-07 01:00:15 -080048
49/* Structures internal to the RIO core code */
Greg Kroah-Hartman6d39c802013-10-06 23:55:47 -070050extern const struct attribute_group *rio_dev_groups[];
Greg Kroah-Hartmaned1d2da2013-08-23 14:24:29 -070051extern const struct attribute_group *rio_bus_groups[];
Alexandre Bounine2aaf3082014-04-07 15:38:56 -070052extern const struct attribute_group *rio_mport_groups[];
Matt Porter394b7012005-11-07 01:00:15 -080053
Zhang Weie0423232008-04-18 13:33:42 -070054#define RIO_GET_DID(size, x) (size ? (x & 0xffff) : ((x & 0x00ff0000) >> 16))
55#define RIO_SET_DID(size, x) (size ? (x & 0xffff) : ((x & 0x000000ff) << 16))