target_core_pr.h 2.1 KB

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  1. #ifndef TARGET_CORE_PR_H
  2. #define TARGET_CORE_PR_H
  3. /*
  4. * PERSISTENT_RESERVE_OUT service action codes
  5. *
  6. * spc4r17 section 6.14.2 Table 171
  7. */
  8. #define PRO_REGISTER 0x00
  9. #define PRO_RESERVE 0x01
  10. #define PRO_RELEASE 0x02
  11. #define PRO_CLEAR 0x03
  12. #define PRO_PREEMPT 0x04
  13. #define PRO_PREEMPT_AND_ABORT 0x05
  14. #define PRO_REGISTER_AND_IGNORE_EXISTING_KEY 0x06
  15. #define PRO_REGISTER_AND_MOVE 0x07
  16. /*
  17. * PERSISTENT_RESERVE_IN service action codes
  18. *
  19. * spc4r17 section 6.13.1 Table 159
  20. */
  21. #define PRI_READ_KEYS 0x00
  22. #define PRI_READ_RESERVATION 0x01
  23. #define PRI_REPORT_CAPABILITIES 0x02
  24. #define PRI_READ_FULL_STATUS 0x03
  25. /*
  26. * PERSISTENT_RESERVE_ SCOPE field
  27. *
  28. * spc4r17 section 6.13.3.3 Table 163
  29. */
  30. #define PR_SCOPE_LU_SCOPE 0x00
  31. /*
  32. * PERSISTENT_RESERVE_* TYPE field
  33. *
  34. * spc4r17 section 6.13.3.4 Table 164
  35. */
  36. #define PR_TYPE_WRITE_EXCLUSIVE 0x01
  37. #define PR_TYPE_EXCLUSIVE_ACCESS 0x03
  38. #define PR_TYPE_WRITE_EXCLUSIVE_REGONLY 0x05
  39. #define PR_TYPE_EXCLUSIVE_ACCESS_REGONLY 0x06
  40. #define PR_TYPE_WRITE_EXCLUSIVE_ALLREG 0x07
  41. #define PR_TYPE_EXCLUSIVE_ACCESS_ALLREG 0x08
  42. #define PR_APTPL_MAX_IPORT_LEN 256
  43. #define PR_APTPL_MAX_TPORT_LEN 256
  44. extern struct kmem_cache *t10_pr_reg_cache;
  45. extern int core_pr_dump_initiator_port(struct t10_pr_registration *,
  46. char *, u32);
  47. extern int core_scsi2_emulate_crh(struct se_cmd *);
  48. extern int core_scsi3_alloc_aptpl_registration(
  49. struct t10_reservation_template *, u64,
  50. unsigned char *, unsigned char *, u32,
  51. unsigned char *, u16, u32, int, int, u8);
  52. extern int core_scsi3_check_aptpl_registration(struct se_device *,
  53. struct se_portal_group *, struct se_lun *,
  54. struct se_lun_acl *);
  55. extern void core_scsi3_free_pr_reg_from_nacl(struct se_device *,
  56. struct se_node_acl *);
  57. extern void core_scsi3_free_all_registrations(struct se_device *);
  58. extern unsigned char *core_scsi3_pr_dump_type(int);
  59. extern int core_scsi3_check_cdb_abort_and_preempt(struct list_head *,
  60. struct se_cmd *);
  61. extern int core_scsi3_emulate_pr(struct se_cmd *);
  62. extern int core_setup_reservations(struct se_device *, int);
  63. #endif /* TARGET_CORE_PR_H */