rio.h 2.4 KB

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  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. #include <linux/device.h>
  9. #include <linux/list.h>
  10. #include <linux/rio.h>
  11. #define RIO_MAX_CHK_RETRY 3
  12. #define RIO_MPORT_ANY (-1)
  13. /* Functions internal to the RIO core code */
  14. extern u32 rio_mport_get_feature(struct rio_mport *mport, int local, u16 destid,
  15. u8 hopcount, int ftr);
  16. extern u32 rio_mport_get_physefb(struct rio_mport *port, int local,
  17. u16 destid, u8 hopcount, u32 *rmap);
  18. extern u32 rio_mport_get_efb(struct rio_mport *port, int local, u16 destid,
  19. u8 hopcount, u32 from);
  20. extern int rio_mport_chk_dev_access(struct rio_mport *mport, u16 destid,
  21. u8 hopcount);
  22. extern int rio_lock_device(struct rio_mport *port, u16 destid,
  23. u8 hopcount, int wait_ms);
  24. extern int rio_unlock_device(struct rio_mport *port, u16 destid, u8 hopcount);
  25. extern int rio_route_add_entry(struct rio_dev *rdev,
  26. u16 table, u16 route_destid, u8 route_port, int lock);
  27. extern int rio_route_get_entry(struct rio_dev *rdev, u16 table,
  28. u16 route_destid, u8 *route_port, int lock);
  29. extern int rio_route_clr_table(struct rio_dev *rdev, u16 table, int lock);
  30. extern int rio_set_port_lockout(struct rio_dev *rdev, u32 pnum, int lock);
  31. extern struct rio_dev *rio_get_comptag(u32 comp_tag, struct rio_dev *from);
  32. extern struct rio_net *rio_alloc_net(struct rio_mport *mport);
  33. extern int rio_add_net(struct rio_net *net);
  34. extern void rio_free_net(struct rio_net *net);
  35. extern int rio_add_device(struct rio_dev *rdev);
  36. extern void rio_del_device(struct rio_dev *rdev, enum rio_device_state state);
  37. extern int rio_enable_rx_tx_port(struct rio_mport *port, int local, u16 destid,
  38. u8 hopcount, u8 port_num);
  39. extern int rio_register_scan(int mport_id, struct rio_scan *scan_ops);
  40. extern int rio_unregister_scan(int mport_id, struct rio_scan *scan_ops);
  41. extern void rio_attach_device(struct rio_dev *rdev);
  42. extern struct rio_mport *rio_find_mport(int mport_id);
  43. extern int rio_mport_scan(int mport_id);
  44. /* Structures internal to the RIO core code */
  45. extern const struct attribute_group *rio_dev_groups[];
  46. extern const struct attribute_group *rio_bus_groups[];
  47. extern const struct attribute_group *rio_mport_groups[];
  48. #define RIO_GET_DID(size, x) (size ? (x & 0xffff) : ((x & 0x00ff0000) >> 16))
  49. #define RIO_SET_DID(size, x) (size ? (x & 0xffff) : ((x & 0x000000ff) << 16))