1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-or-later */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * RapidIO interconnect services 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * Copyright 2005 MontaVista Software, Inc. 6*4882a593Smuzhiyun * Matt Porter <mporter@kernel.crashing.org> 7*4882a593Smuzhiyun */ 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun #include <linux/device.h> 10*4882a593Smuzhiyun #include <linux/list.h> 11*4882a593Smuzhiyun #include <linux/rio.h> 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun #define RIO_MAX_CHK_RETRY 3 14*4882a593Smuzhiyun #define RIO_MPORT_ANY (-1) 15*4882a593Smuzhiyun 16*4882a593Smuzhiyun /* Functions internal to the RIO core code */ 17*4882a593Smuzhiyun 18*4882a593Smuzhiyun extern u32 rio_mport_get_feature(struct rio_mport *mport, int local, u16 destid, 19*4882a593Smuzhiyun u8 hopcount, int ftr); 20*4882a593Smuzhiyun extern u32 rio_mport_get_physefb(struct rio_mport *port, int local, 21*4882a593Smuzhiyun u16 destid, u8 hopcount, u32 *rmap); 22*4882a593Smuzhiyun extern u32 rio_mport_get_efb(struct rio_mport *port, int local, u16 destid, 23*4882a593Smuzhiyun u8 hopcount, u32 from); 24*4882a593Smuzhiyun extern int rio_mport_chk_dev_access(struct rio_mport *mport, u16 destid, 25*4882a593Smuzhiyun u8 hopcount); 26*4882a593Smuzhiyun extern int rio_lock_device(struct rio_mport *port, u16 destid, 27*4882a593Smuzhiyun u8 hopcount, int wait_ms); 28*4882a593Smuzhiyun extern int rio_unlock_device(struct rio_mport *port, u16 destid, u8 hopcount); 29*4882a593Smuzhiyun extern int rio_route_add_entry(struct rio_dev *rdev, 30*4882a593Smuzhiyun u16 table, u16 route_destid, u8 route_port, int lock); 31*4882a593Smuzhiyun extern int rio_route_get_entry(struct rio_dev *rdev, u16 table, 32*4882a593Smuzhiyun u16 route_destid, u8 *route_port, int lock); 33*4882a593Smuzhiyun extern int rio_route_clr_table(struct rio_dev *rdev, u16 table, int lock); 34*4882a593Smuzhiyun extern int rio_set_port_lockout(struct rio_dev *rdev, u32 pnum, int lock); 35*4882a593Smuzhiyun extern struct rio_dev *rio_get_comptag(u32 comp_tag, struct rio_dev *from); 36*4882a593Smuzhiyun extern struct rio_net *rio_alloc_net(struct rio_mport *mport); 37*4882a593Smuzhiyun extern int rio_add_net(struct rio_net *net); 38*4882a593Smuzhiyun extern void rio_free_net(struct rio_net *net); 39*4882a593Smuzhiyun extern int rio_add_device(struct rio_dev *rdev); 40*4882a593Smuzhiyun extern void rio_del_device(struct rio_dev *rdev, enum rio_device_state state); 41*4882a593Smuzhiyun extern int rio_enable_rx_tx_port(struct rio_mport *port, int local, u16 destid, 42*4882a593Smuzhiyun u8 hopcount, u8 port_num); 43*4882a593Smuzhiyun extern int rio_register_scan(int mport_id, struct rio_scan *scan_ops); 44*4882a593Smuzhiyun extern int rio_unregister_scan(int mport_id, struct rio_scan *scan_ops); 45*4882a593Smuzhiyun extern void rio_attach_device(struct rio_dev *rdev); 46*4882a593Smuzhiyun extern struct rio_mport *rio_find_mport(int mport_id); 47*4882a593Smuzhiyun extern int rio_mport_scan(int mport_id); 48*4882a593Smuzhiyun 49*4882a593Smuzhiyun /* Structures internal to the RIO core code */ 50*4882a593Smuzhiyun extern const struct attribute_group *rio_dev_groups[]; 51*4882a593Smuzhiyun extern const struct attribute_group *rio_bus_groups[]; 52*4882a593Smuzhiyun extern const struct attribute_group *rio_mport_groups[]; 53*4882a593Smuzhiyun 54*4882a593Smuzhiyun #define RIO_GET_DID(size, x) (size ? (x & 0xffff) : ((x & 0x00ff0000) >> 16)) 55*4882a593Smuzhiyun #define RIO_SET_DID(size, x) (size ? (x & 0xffff) : ((x & 0x000000ff) << 16)) 56