rio.h 2.8 KB

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  1. /*
  2. * RapidIO interconnect services
  3. *
  4. * Copyright 2005 MontaVista Software, Inc.
  5. * Matt Porter <mporter@kernel.crashing.org>
  6. *
  7. * This program is free software; you can redistribute it and/or modify it
  8. * under the terms of the GNU General Public License as published by the
  9. * Free Software Foundation; either version 2 of the License, or (at your
  10. * option) any later version.
  11. */
  12. #include <linux/device.h>
  13. #include <linux/list.h>
  14. #include <linux/rio.h>
  15. #define RIO_MAX_CHK_RETRY 3
  16. /* Functions internal to the RIO core code */
  17. extern u32 rio_mport_get_feature(struct rio_mport *mport, int local, u16 destid,
  18. u8 hopcount, int ftr);
  19. extern u32 rio_mport_get_physefb(struct rio_mport *port, int local,
  20. u16 destid, u8 hopcount);
  21. extern u32 rio_mport_get_efb(struct rio_mport *port, int local, u16 destid,
  22. u8 hopcount, u32 from);
  23. extern int rio_create_sysfs_dev_files(struct rio_dev *rdev);
  24. extern int rio_enum_mport(struct rio_mport *mport);
  25. extern int rio_disc_mport(struct rio_mport *mport);
  26. extern int rio_std_route_add_entry(struct rio_mport *mport, u16 destid,
  27. u8 hopcount, u16 table, u16 route_destid,
  28. u8 route_port);
  29. extern int rio_std_route_get_entry(struct rio_mport *mport, u16 destid,
  30. u8 hopcount, u16 table, u16 route_destid,
  31. u8 *route_port);
  32. extern int rio_std_route_clr_table(struct rio_mport *mport, u16 destid,
  33. u8 hopcount, u16 table);
  34. extern int rio_set_port_lockout(struct rio_dev *rdev, u32 pnum, int lock);
  35. /* Structures internal to the RIO core code */
  36. extern struct device_attribute rio_dev_attrs[];
  37. extern spinlock_t rio_global_list_lock;
  38. extern struct rio_switch_ops __start_rio_switch_ops[];
  39. extern struct rio_switch_ops __end_rio_switch_ops[];
  40. /* Helpers internal to the RIO core code */
  41. #define DECLARE_RIO_SWITCH_SECTION(section, name, vid, did, init_hook) \
  42. static const struct rio_switch_ops __rio_switch_##name __used \
  43. __section(section) = { vid, did, init_hook };
  44. /**
  45. * DECLARE_RIO_SWITCH_INIT - Registers switch initialization routine
  46. * @vid: RIO vendor ID
  47. * @did: RIO device ID
  48. * @init_hook: Callback that performs switch-specific initialization
  49. *
  50. * Manipulating switch route tables and error management in RIO
  51. * is switch specific. This registers a switch by vendor and device ID with
  52. * initialization callback for setting up switch operations and (if required)
  53. * hardware initialization. A &struct rio_switch_ops is initialized with
  54. * pointer to the init routine and placed into a RIO-specific kernel section.
  55. */
  56. #define DECLARE_RIO_SWITCH_INIT(vid, did, init_hook) \
  57. DECLARE_RIO_SWITCH_SECTION(.rio_switch_ops, vid##did, \
  58. vid, did, init_hook)
  59. #define RIO_GET_DID(size, x) (size ? (x & 0xffff) : ((x & 0x00ff0000) >> 16))
  60. #define RIO_SET_DID(size, x) (size ? (x & 0xffff) : ((x & 0x000000ff) << 16))