xref: /openbmc/linux/drivers/rapidio/rio.h (revision a2818ee4)
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 
22 extern u32 rio_mport_get_feature(struct rio_mport *mport, int local, u16 destid,
23 				 u8 hopcount, int ftr);
24 extern u32 rio_mport_get_physefb(struct rio_mport *port, int local,
25 				 u16 destid, u8 hopcount, u32 *rmap);
26 extern u32 rio_mport_get_efb(struct rio_mport *port, int local, u16 destid,
27 			     u8 hopcount, u32 from);
28 extern int rio_mport_chk_dev_access(struct rio_mport *mport, u16 destid,
29 				    u8 hopcount);
30 extern int rio_lock_device(struct rio_mport *port, u16 destid,
31 			u8 hopcount, int wait_ms);
32 extern int rio_unlock_device(struct rio_mport *port, u16 destid, u8 hopcount);
33 extern int rio_route_add_entry(struct rio_dev *rdev,
34 			u16 table, u16 route_destid, u8 route_port, int lock);
35 extern int rio_route_get_entry(struct rio_dev *rdev, u16 table,
36 			u16 route_destid, u8 *route_port, int lock);
37 extern int rio_route_clr_table(struct rio_dev *rdev, u16 table, int lock);
38 extern int rio_set_port_lockout(struct rio_dev *rdev, u32 pnum, int lock);
39 extern struct rio_dev *rio_get_comptag(u32 comp_tag, struct rio_dev *from);
40 extern struct rio_net *rio_alloc_net(struct rio_mport *mport);
41 extern int rio_add_net(struct rio_net *net);
42 extern void rio_free_net(struct rio_net *net);
43 extern int rio_add_device(struct rio_dev *rdev);
44 extern void rio_del_device(struct rio_dev *rdev, enum rio_device_state state);
45 extern int rio_enable_rx_tx_port(struct rio_mport *port, int local, u16 destid,
46 				 u8 hopcount, u8 port_num);
47 extern int rio_register_scan(int mport_id, struct rio_scan *scan_ops);
48 extern int rio_unregister_scan(int mport_id, struct rio_scan *scan_ops);
49 extern void rio_attach_device(struct rio_dev *rdev);
50 extern struct rio_mport *rio_find_mport(int mport_id);
51 extern int rio_mport_scan(int mport_id);
52 
53 /* Structures internal to the RIO core code */
54 extern const struct attribute_group *rio_dev_groups[];
55 extern const struct attribute_group *rio_bus_groups[];
56 extern const struct attribute_group *rio_mport_groups[];
57 
58 #define RIO_GET_DID(size, x)	(size ? (x & 0xffff) : ((x & 0x00ff0000) >> 16))
59 #define RIO_SET_DID(size, x)	(size ? (x & 0xffff) : ((x & 0x000000ff) << 16))
60