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linux_kernel
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drivers
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target
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target_core_pr.h

target_core_pr.h 2.3 KB
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  1. #ifndef TARGET_CORE_PR_H
    2. 

  2. #define TARGET_CORE_PR_H
    3. 

  3. 

  4. #include <linux/types.h>
    5. 

  5. #include <target/target_core_base.h>
    6. 

  6. 

  7. /*
    8. 

  8.  * PERSISTENT_RESERVE_OUT service action codes
    9. 

  9.  *
    10. 

  10.  * spc4r17 section 6.14.2 Table 171
    11. 

  11.  */
    12. 

  12. #define PRO_REGISTER				0x00
    13. 

  13. #define PRO_RESERVE				0x01
    14. 

  14. #define PRO_RELEASE				0x02
    15. 

  15. #define PRO_CLEAR				0x03
    16. 

  16. #define PRO_PREEMPT				0x04
    17. 

  17. #define PRO_PREEMPT_AND_ABORT			0x05
    18. 

  18. #define PRO_REGISTER_AND_IGNORE_EXISTING_KEY	0x06
    19. 

  19. #define PRO_REGISTER_AND_MOVE			0x07
    20. 

  20. /*
    21. 

  21.  * PERSISTENT_RESERVE_IN service action codes
    22. 

  22.  *
    23. 

  23.  * spc4r17 section 6.13.1 Table 159
    24. 

  24.  */
    25. 

  25. #define PRI_READ_KEYS				0x00
    26. 

  26. #define PRI_READ_RESERVATION			0x01
    27. 

  27. #define PRI_REPORT_CAPABILITIES			0x02
    28. 

  28. #define PRI_READ_FULL_STATUS			0x03
    29. 

  29. /*
    30. 

  30.  * PERSISTENT_RESERVE_ SCOPE field
    31. 

  31.  *
    32. 

  32.  * spc4r17 section 6.13.3.3 Table 163
    33. 

  33.  */
    34. 

  34. #define PR_SCOPE_LU_SCOPE			0x00
    35. 

  35. /*
    36. 

  36.  * PERSISTENT_RESERVE_* TYPE field
    37. 

  37.  *
    38. 

  38.  * spc4r17 section 6.13.3.4 Table 164
    39. 

  39.  */
    40. 

  40. #define PR_TYPE_WRITE_EXCLUSIVE			0x01
    41. 

  41. #define PR_TYPE_EXCLUSIVE_ACCESS		0x03
    42. 

  42. #define PR_TYPE_WRITE_EXCLUSIVE_REGONLY		0x05
    43. 

  43. #define PR_TYPE_EXCLUSIVE_ACCESS_REGONLY	0x06
    44. 

  44. #define PR_TYPE_WRITE_EXCLUSIVE_ALLREG		0x07
    45. 

  45. #define PR_TYPE_EXCLUSIVE_ACCESS_ALLREG		0x08
    46. 

  46. 

  47. #define PR_APTPL_MAX_IPORT_LEN			256
    48. 

  48. #define PR_APTPL_MAX_TPORT_LEN			256
    49. 

  49. 

  50. /*
    51. 

  51.  *  Function defined in target_core_spc.c
    52. 

  52.  */
    53. 

  53. void spc_parse_naa_6h_vendor_specific(struct se_device *, unsigned char *);
    54. 

  54. 

  55. extern struct kmem_cache *t10_pr_reg_cache;
    56. 

  56. 

  57. extern void core_pr_dump_initiator_port(struct t10_pr_registration *,
    58. 

  58. 			char *, u32);
    59. 

  59. extern sense_reason_t target_scsi2_reservation_release(struct se_cmd *);
    60. 

  60. extern sense_reason_t target_scsi2_reservation_reserve(struct se_cmd *);
    61. 

  61. extern int core_scsi3_alloc_aptpl_registration(
    62. 

  62. 			struct t10_reservation *, u64,
    63. 

  63. 			unsigned char *, unsigned char *, u64,
    64. 

  64. 			unsigned char *, u16, u64, int, int, u8);
    65. 

  65. extern int core_scsi3_check_aptpl_registration(struct se_device *,
    66. 

  66. 			struct se_portal_group *, struct se_lun *,
    67. 

  67. 			struct se_node_acl *, u64);
    68. 

  68. extern void core_scsi3_free_pr_reg_from_nacl(struct se_device *,
    69. 

  69. 					     struct se_node_acl *);
    70. 

  70. extern void core_scsi3_free_all_registrations(struct se_device *);
    71. 

  71. extern unsigned char *core_scsi3_pr_dump_type(int);
    72. 

  72. 

  73. extern sense_reason_t target_scsi3_emulate_pr_in(struct se_cmd *);
    74. 

  74. extern sense_reason_t target_scsi3_emulate_pr_out(struct se_cmd *);
    75. 

  75. extern sense_reason_t target_check_reservation(struct se_cmd *);
    76. 

  76. 

  77. #endif /* TARGET_CORE_PR_H */
    78.