1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* 3 * RapidIO interconnect services 4 * 5 * Copyright 2005 MontaVista Software, Inc. 6 * Matt Porter <mporter@kernel.crashing.org> 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 18 extern u32 rio_mport_get_feature(struct rio_mport *mport, int local, u16 destid, 19 u8 hopcount, int ftr); 20 extern u32 rio_mport_get_physefb(struct rio_mport *port, int local, 21 u16 destid, u8 hopcount, u32 *rmap); 22 extern u32 rio_mport_get_efb(struct rio_mport *port, int local, u16 destid, 23 u8 hopcount, u32 from); 24 extern int rio_mport_chk_dev_access(struct rio_mport *mport, u16 destid, 25 u8 hopcount); 26 extern int rio_lock_device(struct rio_mport *port, u16 destid, 27 u8 hopcount, int wait_ms); 28 extern int rio_unlock_device(struct rio_mport *port, u16 destid, u8 hopcount); 29 extern int rio_route_add_entry(struct rio_dev *rdev, 30 u16 table, u16 route_destid, u8 route_port, int lock); 31 extern int rio_route_get_entry(struct rio_dev *rdev, u16 table, 32 u16 route_destid, u8 *route_port, int lock); 33 extern int rio_route_clr_table(struct rio_dev *rdev, u16 table, int lock); 34 extern int rio_set_port_lockout(struct rio_dev *rdev, u32 pnum, int lock); 35 extern struct rio_dev *rio_get_comptag(u32 comp_tag, struct rio_dev *from); 36 extern struct rio_net *rio_alloc_net(struct rio_mport *mport); 37 extern int rio_add_net(struct rio_net *net); 38 extern void rio_free_net(struct rio_net *net); 39 extern int rio_add_device(struct rio_dev *rdev); 40 extern void rio_del_device(struct rio_dev *rdev, enum rio_device_state state); 41 extern int rio_enable_rx_tx_port(struct rio_mport *port, int local, u16 destid, 42 u8 hopcount, u8 port_num); 43 extern int rio_register_scan(int mport_id, struct rio_scan *scan_ops); 44 extern int rio_unregister_scan(int mport_id, struct rio_scan *scan_ops); 45 extern void rio_attach_device(struct rio_dev *rdev); 46 extern struct rio_mport *rio_find_mport(int mport_id); 47 extern int rio_mport_scan(int mport_id); 48 49 /* Structures internal to the RIO core code */ 50 extern const struct attribute_group *rio_dev_groups[]; 51 extern const struct attribute_group *rio_bus_groups[]; 52 extern const struct attribute_group *rio_mport_groups[]; 53 54 #define RIO_GET_DID(size, x) (size ? (x & 0xffff) : ((x & 0x00ff0000) >> 16)) 55 #define RIO_SET_DID(size, x) (size ? (x & 0xffff) : ((x & 0x000000ff) << 16)) 56