drivers/target/target_core_pr.h

   1 #ifndef TARGET_CORE_PR_H
   2 #define TARGET_CORE_PR_H
   3
   4 #include <linux/types.h>
   5 #include <target/target_core_base.h>
   6
   7 /*
   8  * PERSISTENT_RESERVE_OUT service action codes
   9  *
  10  * spc4r17 section 6.14.2 Table 171
  11  */
  12 #define PRO_REGISTER                            0x00
  13 #define PRO_RESERVE                             0x01
  14 #define PRO_RELEASE                             0x02
  15 #define PRO_CLEAR                               0x03
  16 #define PRO_PREEMPT                             0x04
  17 #define PRO_PREEMPT_AND_ABORT                   0x05
  18 #define PRO_REGISTER_AND_IGNORE_EXISTING_KEY    0x06
  19 #define PRO_REGISTER_AND_MOVE                   0x07
  20 /*
  21  * PERSISTENT_RESERVE_IN service action codes
  22  *
  23  * spc4r17 section 6.13.1 Table 159
  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  * spc4r17 section 6.13.3.3 Table 163
  33  */
  34 #define PR_SCOPE_LU_SCOPE                       0x00
  35 /*
  36  * PERSISTENT_RESERVE_* TYPE field
  37  *
  38  * spc4r17 section 6.13.3.4 Table 164
  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
  47 #define PR_APTPL_MAX_IPORT_LEN                  256
  48 #define PR_APTPL_MAX_TPORT_LEN                  256
  49
  50 /*
  51  *  Function defined in target_core_spc.c
  52  */
  53 void spc_parse_naa_6h_vendor_specific(struct se_device *, unsigned char *);
  54
  55 extern struct kmem_cache *t10_pr_reg_cache;
  56
  57 extern void core_pr_dump_initiator_port(struct t10_pr_registration *,
  58                         char *, u32);
  59 extern sense_reason_t target_scsi2_reservation_release(struct se_cmd *);
  60 extern sense_reason_t target_scsi2_reservation_reserve(struct se_cmd *);
  61 extern int core_scsi3_alloc_aptpl_registration(
  62                         struct t10_reservation *, u64,
  63                         unsigned char *, unsigned char *, u64,
  64                         unsigned char *, u16, u64, int, int, u8);
  65 extern int core_scsi3_check_aptpl_registration(struct se_device *,
  66                         struct se_portal_group *, struct se_lun *,
  67                         struct se_node_acl *, u64);
  68 extern void core_scsi3_free_pr_reg_from_nacl(struct se_device *,
  69                                              struct se_node_acl *);
  70 extern void core_scsi3_free_all_registrations(struct se_device *);
  71 extern unsigned char *core_scsi3_pr_dump_type(int);
  72
  73 extern sense_reason_t target_scsi3_emulate_pr_in(struct se_cmd *);
  74 extern sense_reason_t target_scsi3_emulate_pr_out(struct se_cmd *);
  75 extern sense_reason_t target_check_reservation(struct se_cmd *);
  76
  77 #endif /* TARGET_CORE_PR_H */