xref: /linux/drivers/rapidio/rio.h (revision e6b585ca6e81badeb3d42db3cc408174f2826034)
1394b701cSMatt Porter /*
2394b701cSMatt Porter  * RapidIO interconnect services
3394b701cSMatt Porter  *
4394b701cSMatt Porter  * Copyright 2005 MontaVista Software, Inc.
5394b701cSMatt Porter  * Matt Porter <mporter@kernel.crashing.org>
6394b701cSMatt Porter  *
7394b701cSMatt Porter  * This program is free software; you can redistribute  it and/or modify it
8394b701cSMatt Porter  * under  the terms of  the GNU General  Public License as published by the
9394b701cSMatt Porter  * Free Software Foundation;  either version 2 of the  License, or (at your
10394b701cSMatt Porter  * option) any later version.
11394b701cSMatt Porter  */
12394b701cSMatt Porter 
13394b701cSMatt Porter #include <linux/device.h>
14394b701cSMatt Porter #include <linux/list.h>
15394b701cSMatt Porter #include <linux/rio.h>
16394b701cSMatt Porter 
176429cd49SAlexandre Bounine #define RIO_MAX_CHK_RETRY	3
18a11650e1SAlexandre Bounine #define RIO_MPORT_ANY		(-1)
196429cd49SAlexandre Bounine 
20394b701cSMatt Porter /* Functions internal to the RIO core code */
21394b701cSMatt Porter 
22394b701cSMatt Porter extern u32 rio_mport_get_feature(struct rio_mport *mport, int local, u16 destid,
23394b701cSMatt Porter 				 u8 hopcount, int ftr);
24e5cabeb3SAlexandre Bounine extern u32 rio_mport_get_physefb(struct rio_mport *port, int local,
25e5cabeb3SAlexandre Bounine 				 u16 destid, u8 hopcount);
26e5cabeb3SAlexandre Bounine extern u32 rio_mport_get_efb(struct rio_mport *port, int local, u16 destid,
27e5cabeb3SAlexandre Bounine 			     u8 hopcount, u32 from);
28e274e0edSAlexandre Bounine extern int rio_mport_chk_dev_access(struct rio_mport *mport, u16 destid,
29e274e0edSAlexandre Bounine 				    u8 hopcount);
30394b701cSMatt Porter extern int rio_create_sysfs_dev_files(struct rio_dev *rdev);
31b74ec56eSAlexandre Bounine extern void rio_remove_sysfs_dev_files(struct rio_dev *rdev);
322ec3ba69SAlexandre Bounine extern int rio_lock_device(struct rio_mport *port, u16 destid,
332ec3ba69SAlexandre Bounine 			u8 hopcount, int wait_ms);
342ec3ba69SAlexandre Bounine extern int rio_unlock_device(struct rio_mport *port, u16 destid, u8 hopcount);
352ec3ba69SAlexandre Bounine extern int rio_route_add_entry(struct rio_dev *rdev,
362ec3ba69SAlexandre Bounine 			u16 table, u16 route_destid, u8 route_port, int lock);
372ec3ba69SAlexandre Bounine extern int rio_route_get_entry(struct rio_dev *rdev, u16 table,
382ec3ba69SAlexandre Bounine 			u16 route_destid, u8 *route_port, int lock);
392ec3ba69SAlexandre Bounine extern int rio_route_clr_table(struct rio_dev *rdev, u16 table, int lock);
40e5cabeb3SAlexandre Bounine extern int rio_set_port_lockout(struct rio_dev *rdev, u32 pnum, int lock);
41af84ca38SAlexandre Bounine extern struct rio_dev *rio_get_comptag(u32 comp_tag, struct rio_dev *from);
42*e6b585caSAlexandre Bounine extern struct rio_net *rio_alloc_net(struct rio_mport *mport);
43*e6b585caSAlexandre Bounine extern int rio_add_net(struct rio_net *net);
44*e6b585caSAlexandre Bounine extern void rio_free_net(struct rio_net *net);
45a11650e1SAlexandre Bounine extern int rio_add_device(struct rio_dev *rdev);
46b74ec56eSAlexandre Bounine extern void rio_del_device(struct rio_dev *rdev);
47a11650e1SAlexandre Bounine extern int rio_enable_rx_tx_port(struct rio_mport *port, int local, u16 destid,
48a11650e1SAlexandre Bounine 				 u8 hopcount, u8 port_num);
49a11650e1SAlexandre Bounine extern int rio_register_scan(int mport_id, struct rio_scan *scan_ops);
509edbc30bSAlexandre Bounine extern int rio_unregister_scan(int mport_id, struct rio_scan *scan_ops);
51a11650e1SAlexandre Bounine extern void rio_attach_device(struct rio_dev *rdev);
52bc8fcfeaSAlexandre Bounine extern struct rio_mport *rio_find_mport(int mport_id);
539edbc30bSAlexandre Bounine extern int rio_mport_scan(int mport_id);
54394b701cSMatt Porter 
55394b701cSMatt Porter /* Structures internal to the RIO core code */
566d39c80bSGreg Kroah-Hartman extern const struct attribute_group *rio_dev_groups[];
57ed1d2da2SGreg Kroah-Hartman extern const struct attribute_group *rio_bus_groups[];
582aaf308bSAlexandre Bounine extern const struct attribute_group *rio_mport_groups[];
59394b701cSMatt Porter 
60e0423236SZhang Wei #define RIO_GET_DID(size, x)	(size ? (x & 0xffff) : ((x & 0x00ff0000) >> 16))
61e0423236SZhang Wei #define RIO_SET_DID(size, x)	(size ? (x & 0xffff) : ((x & 0x000000ff) << 16))
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