target_core_pr.h 2.5 KB

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  1. /* SPDX-License-Identifier: GPL-2.0 */
  2. #ifndef TARGET_CORE_PR_H
  3. #define TARGET_CORE_PR_H
  4. #include <linux/types.h>
  5. #include <target/target_core_base.h>
  6. /*
  7. * PERSISTENT_RESERVE_OUT service action codes
  8. *
  9. * spc5r04b section 6.15.2 Table 174
  10. */
  11. #define PRO_REGISTER 0x00
  12. #define PRO_RESERVE 0x01
  13. #define PRO_RELEASE 0x02
  14. #define PRO_CLEAR 0x03
  15. #define PRO_PREEMPT 0x04
  16. #define PRO_PREEMPT_AND_ABORT 0x05
  17. #define PRO_REGISTER_AND_IGNORE_EXISTING_KEY 0x06
  18. #define PRO_REGISTER_AND_MOVE 0x07
  19. #define PRO_REPLACE_LOST_RESERVATION 0x08
  20. /*
  21. * PERSISTENT_RESERVE_IN service action codes
  22. *
  23. * spc5r04b section 6.14.1 Table 162
  24. */
  25. #define PRI_READ_KEYS 0x00
  26. #define PRI_READ_RESERVATION 0x01
  27. #define PRI_REPORT_CAPABILITIES 0x02
  28. #define PRI_READ_FULL_STATUS 0x03
  29. /*
  30. * PERSISTENT_RESERVE_ SCOPE field
  31. *
  32. * spc5r04b section 6.14.3.2 Table 166
  33. */
  34. #define PR_SCOPE_LU_SCOPE 0x00
  35. /*
  36. * PERSISTENT_RESERVE_* TYPE field
  37. *
  38. * spc5r04b section 6.14.3.3 Table 167
  39. */
  40. #define PR_TYPE_WRITE_EXCLUSIVE 0x01
  41. #define PR_TYPE_EXCLUSIVE_ACCESS 0x03
  42. #define PR_TYPE_WRITE_EXCLUSIVE_REGONLY 0x05
  43. #define PR_TYPE_EXCLUSIVE_ACCESS_REGONLY 0x06
  44. #define PR_TYPE_WRITE_EXCLUSIVE_ALLREG 0x07
  45. #define PR_TYPE_EXCLUSIVE_ACCESS_ALLREG 0x08
  46. #define PR_APTPL_MAX_IPORT_LEN 256
  47. #define PR_APTPL_MAX_TPORT_LEN 256
  48. /*
  49. * Function defined in target_core_spc.c
  50. */
  51. void spc_parse_naa_6h_vendor_specific(struct se_device *, unsigned char *);
  52. extern struct kmem_cache *t10_pr_reg_cache;
  53. extern void core_pr_dump_initiator_port(struct t10_pr_registration *,
  54. char *, u32);
  55. extern void target_release_reservation(struct se_device *dev);
  56. extern sense_reason_t target_scsi2_reservation_release(struct se_cmd *);
  57. extern sense_reason_t target_scsi2_reservation_reserve(struct se_cmd *);
  58. extern int core_scsi3_alloc_aptpl_registration(
  59. struct t10_reservation *, u64,
  60. unsigned char *, unsigned char *, u64,
  61. unsigned char *, u16, u64, int, int, u8);
  62. extern int core_scsi3_check_aptpl_registration(struct se_device *,
  63. struct se_portal_group *, struct se_lun *,
  64. struct se_node_acl *, u64);
  65. extern void core_scsi3_free_pr_reg_from_nacl(struct se_device *,
  66. struct se_node_acl *);
  67. extern void core_scsi3_free_all_registrations(struct se_device *);
  68. extern unsigned char *core_scsi3_pr_dump_type(int);
  69. extern sense_reason_t target_scsi3_emulate_pr_in(struct se_cmd *);
  70. extern sense_reason_t target_scsi3_emulate_pr_out(struct se_cmd *);
  71. extern sense_reason_t target_check_reservation(struct se_cmd *);
  72. #endif /* TARGET_CORE_PR_H */