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  * spc5r04b section 6.15.2 Table 174
  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 #define PRO_REPLACE_LOST_RESERVATION    0x08
  21 /*
  22  * PERSISTENT_RESERVE_IN service action codes
  23  *
  24  * spc5r04b section 6.14.1 Table 162
  25  */
  26 #define PRI_READ_KEYS                           0x00
  27 #define PRI_READ_RESERVATION                    0x01
  28 #define PRI_REPORT_CAPABILITIES                 0x02
  29 #define PRI_READ_FULL_STATUS                    0x03
  30 /*
  31  * PERSISTENT_RESERVE_ SCOPE field
  32  *
  33  * spc5r04b section 6.14.3.2 Table 166
  34  */
  35 #define PR_SCOPE_LU_SCOPE                       0x00
  36 /*
  37  * PERSISTENT_RESERVE_* TYPE field
  38  *
  39  * spc5r04b section 6.14.3.3 Table 167
  40  */
  41 #define PR_TYPE_WRITE_EXCLUSIVE                 0x01
  42 #define PR_TYPE_EXCLUSIVE_ACCESS                0x03
  43 #define PR_TYPE_WRITE_EXCLUSIVE_REGONLY         0x05
  44 #define PR_TYPE_EXCLUSIVE_ACCESS_REGONLY        0x06
  45 #define PR_TYPE_WRITE_EXCLUSIVE_ALLREG          0x07
  46 #define PR_TYPE_EXCLUSIVE_ACCESS_ALLREG         0x08
  47
  48 #define PR_APTPL_MAX_IPORT_LEN                  256
  49 #define PR_APTPL_MAX_TPORT_LEN                  256
  50
  51 /*
  52  *  Function defined in target_core_spc.c
  53  */
  54 void spc_parse_naa_6h_vendor_specific(struct se_device *, unsigned char *);
  55
  56 extern struct kmem_cache *t10_pr_reg_cache;
  57
  58 extern void core_pr_dump_initiator_port(struct t10_pr_registration *,
  59                         char *, u32);
  60 extern sense_reason_t target_scsi2_reservation_release(struct se_cmd *);
  61 extern sense_reason_t target_scsi2_reservation_reserve(struct se_cmd *);
  62 extern int core_scsi3_alloc_aptpl_registration(
  63                         struct t10_reservation *, u64,
  64                         unsigned char *, unsigned char *, u64,
  65                         unsigned char *, u16, u64, int, int, u8);
  66 extern int core_scsi3_check_aptpl_registration(struct se_device *,
  67                         struct se_portal_group *, struct se_lun *,
  68                         struct se_node_acl *, u64);
  69 extern void core_scsi3_free_pr_reg_from_nacl(struct se_device *,
  70                                              struct se_node_acl *);
  71 extern void core_scsi3_free_all_registrations(struct se_device *);
  72 extern unsigned char *core_scsi3_pr_dump_type(int);
  73
  74 extern sense_reason_t target_scsi3_emulate_pr_in(struct se_cmd *);
  75 extern sense_reason_t target_scsi3_emulate_pr_out(struct se_cmd *);
  76 extern sense_reason_t target_check_reservation(struct se_cmd *);
  77
  78 #endif /* TARGET_CORE_PR_H */