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1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 * RapidIO interconnect services
4 *
5 * Copyright 2005 MontaVista Software, Inc.
6 * Matt Porter <[email protected]>
7 */
8
9#include <linux/device.h>
10#include <linux/list.h>
11#include <linux/rio.h>
12
13#define RIO_MAX_CHK_RETRY 3
14#define RIO_MPORT_ANY (-1)
15
16/* 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);
20extern u32 rio_mport_get_physefb(struct rio_mport *port, int local,
21 u16 destid, u8 hopcount, u32 *rmap);
22extern u32 rio_mport_get_efb(struct rio_mport *port, int local, u16 destid,
23 u8 hopcount, u32 from);
24extern int rio_mport_chk_dev_access(struct rio_mport *mport, u16 destid,
25 u8 hopcount);
26extern 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);
34extern int rio_set_port_lockout(struct rio_dev *rdev, u32 pnum, int lock);
35extern struct rio_dev *rio_get_comptag(u32 comp_tag, struct rio_dev *from);
36extern 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);
39extern int rio_add_device(struct rio_dev *rdev);
40extern void rio_del_device(struct rio_dev *rdev, enum rio_device_state state);
41extern 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);
44extern void rio_attach_device(struct rio_dev *rdev);
45extern int rio_mport_scan(int mport_id);
46
47/* Structures internal to the RIO core code */
48extern const struct attribute_group *rio_dev_groups[];
49extern const struct attribute_group *rio_bus_groups[];
50extern const struct attribute_group *rio_mport_groups[];
51
52#define RIO_GET_DID(size, x) (size ? (x & 0xffff) : ((x & 0x00ff0000) >> 16))
53#define RIO_SET_DID(size, x) (size ? (x & 0xffff) : ((x & 0x000000ff) << 16))