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linux-4.9.59+gitAUTOINC+a75d8e9305-ga75d8e9305
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hvcserver.h

hvcserver.h 2.1 KB
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  1. /*
    2. 

  2.  * hvcserver.h
    3. 

  3.  * Copyright (C) 2004 Ryan S Arnold, IBM Corporation
    4. 

  4.  *
    5. 

  5.  * PPC64 virtual I/O console server support.
    6. 

  6.  *
    7. 

  7.  * This program is free software; you can redistribute it and/or modify
    8. 

  8.  * it under the terms of the GNU General Public License as published by
    9. 

  9.  * the Free Software Foundation; either version 2 of the License, or
    10. 

  10.  * (at your option) any later version.
    11. 

  11.  *
    12. 

  12.  * This program is distributed in the hope that it will be useful,
    13. 

  13.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
    14. 

  14.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    15. 

  15.  * GNU General Public License for more details.
    16. 

  16.  *
    17. 

  17.  * You should have received a copy of the GNU General Public License
    18. 

  18.  * along with this program; if not, write to the Free Software
    19. 

  19.  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
    20. 

  20.  */
    21. 

  21. 

  22. #ifndef _PPC64_HVCSERVER_H
    23. 

  23. #define _PPC64_HVCSERVER_H
    24. 

  24. #ifdef __KERNEL__
    25. 

  25. 

  26. #include <linux/list.h>
    27. 

  27. 

  28. /* Converged Location Code length */
    29. 

  29. #define HVCS_CLC_LENGTH	79
    30. 

  30. 

  31. /**
    32. 

  32.  * hvcs_partner_info - an element in a list of partner info
    33. 

  33.  * @node: list_head denoting this partner_info struct's position in the list of
    34. 

  34.  *	partner info.
    35. 

  35.  * @unit_address: The partner unit address of this entry.
    36. 

  36.  * @partition_ID: The partner partition ID of this entry.
    37. 

  37.  * @location_code: The converged location code of this entry + 1 char for the
    38. 

  38.  *	null-term.
    39. 

  39.  *
    40. 

  40.  * This structure outlines the format that partner info is presented to a caller
    41. 

  41.  * of the hvcs partner info fetching functions.  These are strung together into
    42. 

  42.  * a list using linux kernel lists.
    43. 

  43.  */
    44. 

  44. struct hvcs_partner_info {
    45. 

  45. 	struct list_head node;
    46. 

  46. 	uint32_t unit_address;
    47. 

  47. 	uint32_t partition_ID;
    48. 

  48. 	char location_code[HVCS_CLC_LENGTH + 1]; /* CLC + 1 null-term char */
    49. 

  49. };
    50. 

  50. 

  51. extern int hvcs_free_partner_info(struct list_head *head);
    52. 

  52. extern int hvcs_get_partner_info(uint32_t unit_address,
    53. 

  53. 		struct list_head *head, unsigned long *pi_buff);
    54. 

  54. extern int hvcs_register_connection(uint32_t unit_address,
    55. 

  55. 		uint32_t p_partition_ID, uint32_t p_unit_address);
    56. 

  56. extern int hvcs_free_connection(uint32_t unit_address);
    57. 

  57. 

  58. #endif /* __KERNEL__ */
    59. 

  59. #endif /* _PPC64_HVCSERVER_H */
    60.