drivers/rapidio/rio.h

*2874c5fdSThomas Gleixner/* SPDX-License-Identifier: GPL-2.0-or-later */
394b701cSMatt Porter/*
394b701cSMatt Porter * RapidIO interconnect services
394b701cSMatt Porter *
394b701cSMatt Porter * Copyright 2005 MontaVista Software, Inc.
394b701cSMatt Porter * Matt Porter <mporter@kernel.crashing.org>
394b701cSMatt Porter */
394b701cSMatt Porter
394b701cSMatt Porter#include <linux/device.h>
394b701cSMatt Porter#include <linux/list.h>
394b701cSMatt Porter#include <linux/rio.h>
394b701cSMatt Porter
6429cd49SAlexandre Bounine#define RIO_MAX_CHK_RETRY	3
a11650e1SAlexandre Bounine#define RIO_MPORT_ANY		(-1)
6429cd49SAlexandre Bounine
394b701cSMatt Porter/* Functions internal to the RIO core code */
394b701cSMatt Porter
394b701cSMatt Porterextern u32 rio_mport_get_feature(struct rio_mport *mport, int local, u16 destid,
394b701cSMatt Porter				 u8 hopcount, int ftr);
e5cabeb3SAlexandre Bounineextern u32 rio_mport_get_physefb(struct rio_mport *port, int local,
1ae842deSAlexandre Bounine				 u16 destid, u8 hopcount, u32 *rmap);
e5cabeb3SAlexandre Bounineextern u32 rio_mport_get_efb(struct rio_mport *port, int local, u16 destid,
e5cabeb3SAlexandre Bounine			     u8 hopcount, u32 from);
e274e0edSAlexandre Bounineextern int rio_mport_chk_dev_access(struct rio_mport *mport, u16 destid,
e274e0edSAlexandre Bounine				    u8 hopcount);
2ec3ba69SAlexandre Bounineextern int rio_lock_device(struct rio_mport *port, u16 destid,
2ec3ba69SAlexandre Bounine			u8 hopcount, int wait_ms);
2ec3ba69SAlexandre Bounineextern int rio_unlock_device(struct rio_mport *port, u16 destid, u8 hopcount);
2ec3ba69SAlexandre Bounineextern int rio_route_add_entry(struct rio_dev *rdev,
2ec3ba69SAlexandre Bounine			u16 table, u16 route_destid, u8 route_port, int lock);
2ec3ba69SAlexandre Bounineextern int rio_route_get_entry(struct rio_dev *rdev, u16 table,
2ec3ba69SAlexandre Bounine			u16 route_destid, u8 *route_port, int lock);
2ec3ba69SAlexandre Bounineextern int rio_route_clr_table(struct rio_dev *rdev, u16 table, int lock);
e5cabeb3SAlexandre Bounineextern int rio_set_port_lockout(struct rio_dev *rdev, u32 pnum, int lock);
af84ca38SAlexandre Bounineextern struct rio_dev *rio_get_comptag(u32 comp_tag, struct rio_dev *from);
e6b585caSAlexandre Bounineextern struct rio_net *rio_alloc_net(struct rio_mport *mport);
e6b585caSAlexandre Bounineextern int rio_add_net(struct rio_net *net);
e6b585caSAlexandre Bounineextern void rio_free_net(struct rio_net *net);
a11650e1SAlexandre Bounineextern int rio_add_device(struct rio_dev *rdev);
b77a2030SAlexandre Bounineextern void rio_del_device(struct rio_dev *rdev, enum rio_device_state state);
a11650e1SAlexandre Bounineextern int rio_enable_rx_tx_port(struct rio_mport *port, int local, u16 destid,
a11650e1SAlexandre Bounine				 u8 hopcount, u8 port_num);
a11650e1SAlexandre Bounineextern int rio_register_scan(int mport_id, struct rio_scan *scan_ops);
9edbc30bSAlexandre Bounineextern int rio_unregister_scan(int mport_id, struct rio_scan *scan_ops);
a11650e1SAlexandre Bounineextern void rio_attach_device(struct rio_dev *rdev);
bc8fcfeaSAlexandre Bounineextern struct rio_mport *rio_find_mport(int mport_id);
9edbc30bSAlexandre Bounineextern int rio_mport_scan(int mport_id);
394b701cSMatt Porter
394b701cSMatt Porter/* Structures internal to the RIO core code */
6d39c80bSGreg Kroah-Hartmanextern const struct attribute_group *rio_dev_groups[];
ed1d2da2SGreg Kroah-Hartmanextern const struct attribute_group *rio_bus_groups[];
2aaf308bSAlexandre Bounineextern const struct attribute_group *rio_mport_groups[];
394b701cSMatt Porter
e0423236SZhang Wei#define RIO_GET_DID(size, x)	(size ? (x & 0xffff) : ((x & 0x00ff0000) >> 16))
e0423236SZhang Wei#define RIO_SET_DID(size, x)	(size ? (x & 0xffff) : ((x & 0x000000ff) << 16))