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drivers/target/target_core_pr.h 2.29 KB
c66ac9db8   Nicholas Bellinger   [SCSI] target: Ad...
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  #ifndef TARGET_CORE_PR_H
  #define TARGET_CORE_PR_H
  /*
   * PERSISTENT_RESERVE_OUT service action codes
   *
   * spc4r17 section 6.14.2 Table 171
   */
  #define PRO_REGISTER				0x00
  #define PRO_RESERVE				0x01
  #define PRO_RELEASE				0x02
  #define PRO_CLEAR				0x03
  #define PRO_PREEMPT				0x04
  #define PRO_PREEMPT_AND_ABORT			0x05
  #define PRO_REGISTER_AND_IGNORE_EXISTING_KEY	0x06
  #define PRO_REGISTER_AND_MOVE			0x07
  /*
   * PERSISTENT_RESERVE_IN service action codes
   *
   * spc4r17 section 6.13.1 Table 159
   */
  #define PRI_READ_KEYS				0x00
  #define PRI_READ_RESERVATION			0x01
  #define PRI_REPORT_CAPABILITIES			0x02
  #define PRI_READ_FULL_STATUS			0x03
  /*
   * PERSISTENT_RESERVE_ SCOPE field
   *
   * spc4r17 section 6.13.3.3 Table 163
   */
  #define PR_SCOPE_LU_SCOPE			0x00
  /*
   * PERSISTENT_RESERVE_* TYPE field
   *
   * spc4r17 section 6.13.3.4 Table 164
   */
  #define PR_TYPE_WRITE_EXCLUSIVE			0x01
  #define PR_TYPE_EXCLUSIVE_ACCESS		0x03
  #define PR_TYPE_WRITE_EXCLUSIVE_REGONLY		0x05
  #define PR_TYPE_EXCLUSIVE_ACCESS_REGONLY	0x06
  #define PR_TYPE_WRITE_EXCLUSIVE_ALLREG		0x07
  #define PR_TYPE_EXCLUSIVE_ACCESS_ALLREG		0x08
  
  #define PR_APTPL_MAX_IPORT_LEN			256
  #define PR_APTPL_MAX_TPORT_LEN			256
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  /*
   *  Function defined in target_core_spc.c
   */
  void spc_parse_naa_6h_vendor_specific(struct se_device *, unsigned char *);
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  extern struct kmem_cache *t10_pr_reg_cache;
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  extern void core_pr_dump_initiator_port(struct t10_pr_registration *,
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  			char *, u32);
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  extern sense_reason_t target_scsi2_reservation_release(struct se_cmd *);
  extern sense_reason_t target_scsi2_reservation_reserve(struct se_cmd *);
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  extern int core_scsi3_alloc_aptpl_registration(
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  			struct t10_reservation *, u64,
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  			unsigned char *, unsigned char *, u64,
  			unsigned char *, u16, u64, int, int, u8);
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  extern int core_scsi3_check_aptpl_registration(struct se_device *,
  			struct se_portal_group *, struct se_lun *,
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  			struct se_node_acl *, u64);
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  extern void core_scsi3_free_pr_reg_from_nacl(struct se_device *,
  					     struct se_node_acl *);
  extern void core_scsi3_free_all_registrations(struct se_device *);
  extern unsigned char *core_scsi3_pr_dump_type(int);
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  extern sense_reason_t target_scsi3_emulate_pr_in(struct se_cmd *);
  extern sense_reason_t target_scsi3_emulate_pr_out(struct se_cmd *);
  extern sense_reason_t target_check_reservation(struct se_cmd *);
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  #endif /* TARGET_CORE_PR_H */