12874c5fdSThomas Gleixner /* SPDX-License-Identifier: GPL-2.0-or-later */ 2394b701cSMatt Porter /* 3394b701cSMatt Porter * RapidIO interconnect services 4394b701cSMatt Porter * 5394b701cSMatt Porter * Copyright 2005 MontaVista Software, Inc. 6394b701cSMatt Porter * Matt Porter <mporter@kernel.crashing.org> 7394b701cSMatt Porter */ 8394b701cSMatt Porter 9394b701cSMatt Porter #include <linux/device.h> 10394b701cSMatt Porter #include <linux/list.h> 11394b701cSMatt Porter #include <linux/rio.h> 12394b701cSMatt Porter 136429cd49SAlexandre Bounine #define RIO_MAX_CHK_RETRY 3 14a11650e1SAlexandre Bounine #define RIO_MPORT_ANY (-1) 156429cd49SAlexandre Bounine 16394b701cSMatt Porter /* Functions internal to the RIO core code */ 17394b701cSMatt Porter 18394b701cSMatt Porter extern u32 rio_mport_get_feature(struct rio_mport *mport, int local, u16 destid, 19394b701cSMatt Porter u8 hopcount, int ftr); 20e5cabeb3SAlexandre Bounine extern u32 rio_mport_get_physefb(struct rio_mport *port, int local, 211ae842deSAlexandre Bounine u16 destid, u8 hopcount, u32 *rmap); 22e5cabeb3SAlexandre Bounine extern u32 rio_mport_get_efb(struct rio_mport *port, int local, u16 destid, 23e5cabeb3SAlexandre Bounine u8 hopcount, u32 from); 24e274e0edSAlexandre Bounine extern int rio_mport_chk_dev_access(struct rio_mport *mport, u16 destid, 25e274e0edSAlexandre Bounine u8 hopcount); 262ec3ba69SAlexandre Bounine extern int rio_lock_device(struct rio_mport *port, u16 destid, 272ec3ba69SAlexandre Bounine u8 hopcount, int wait_ms); 282ec3ba69SAlexandre Bounine extern int rio_unlock_device(struct rio_mport *port, u16 destid, u8 hopcount); 292ec3ba69SAlexandre Bounine extern int rio_route_add_entry(struct rio_dev *rdev, 302ec3ba69SAlexandre Bounine u16 table, u16 route_destid, u8 route_port, int lock); 312ec3ba69SAlexandre Bounine extern int rio_route_get_entry(struct rio_dev *rdev, u16 table, 322ec3ba69SAlexandre Bounine u16 route_destid, u8 *route_port, int lock); 332ec3ba69SAlexandre Bounine extern int rio_route_clr_table(struct rio_dev *rdev, u16 table, int lock); 34e5cabeb3SAlexandre Bounine extern int rio_set_port_lockout(struct rio_dev *rdev, u32 pnum, int lock); 35af84ca38SAlexandre Bounine extern struct rio_dev *rio_get_comptag(u32 comp_tag, struct rio_dev *from); 36e6b585caSAlexandre Bounine extern struct rio_net *rio_alloc_net(struct rio_mport *mport); 37e6b585caSAlexandre Bounine extern int rio_add_net(struct rio_net *net); 38e6b585caSAlexandre Bounine extern void rio_free_net(struct rio_net *net); 39a11650e1SAlexandre Bounine extern int rio_add_device(struct rio_dev *rdev); 40b77a2030SAlexandre Bounine extern void rio_del_device(struct rio_dev *rdev, enum rio_device_state state); 41a11650e1SAlexandre Bounine extern int rio_enable_rx_tx_port(struct rio_mport *port, int local, u16 destid, 42a11650e1SAlexandre Bounine u8 hopcount, u8 port_num); 43a11650e1SAlexandre Bounine extern int rio_register_scan(int mport_id, struct rio_scan *scan_ops); 449edbc30bSAlexandre Bounine extern int rio_unregister_scan(int mport_id, struct rio_scan *scan_ops); 45a11650e1SAlexandre Bounine extern void rio_attach_device(struct rio_dev *rdev); 46bc8fcfeaSAlexandre Bounine extern struct rio_mport *rio_find_mport(int mport_id); 479edbc30bSAlexandre Bounine extern int rio_mport_scan(int mport_id); 48394b701cSMatt Porter 49394b701cSMatt Porter /* Structures internal to the RIO core code */ 506d39c80bSGreg Kroah-Hartman extern const struct attribute_group *rio_dev_groups[]; 51ed1d2da2SGreg Kroah-Hartman extern const struct attribute_group *rio_bus_groups[]; 522aaf308bSAlexandre Bounine extern const struct attribute_group *rio_mport_groups[]; 53394b701cSMatt Porter 54e0423236SZhang Wei #define RIO_GET_DID(size, x) (size ? (x & 0xffff) : ((x & 0x00ff0000) >> 16)) 55e0423236SZhang Wei #define RIO_SET_DID(size, x) (size ? (x & 0xffff) : ((x & 0x000000ff) << 16)) 56