drivers/rapidio/rio.h

   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))