TIDAW Back to Index page
 
Prolog 
Control Block Contents 
   TIDAW DSECT
Storage Layout 
Cross Reference (Contains links to field and bit definitions)
Programming Interface Information:
This information is NOT intended to be
used as Programming Interfaces of z/VM.


  TIDAW Prolog Top of page
  
 NAME       : HCPTIDAW
 DESCRIPTION: Transport indirect data addressing word mapping
 DSECT      : TIDAW
 FUNCTION   : Provide symbolic reference to the fields of a
              transport indirect data address word used by
              Fibre Channel Extensions (FCX)
 LOCATED BY : N/A
 CREATED BY : N/A
 DELETED BY : NA
 
 
  TIDAW Control Block Content Top of page
  




 TIDAW DSECT
Top of page


Hex   Dec Type/Val   Lng Label (dup)    Comments
---- ---- --------- ---- -------------- --------
0000    0 Structure      TIDAW          Transport indirect data addressing word mapping
0000    0 Signed       4 TIDAWW0 (0)    Word 0
0000    0 Bitstring    1 TIDAWFLG       TIDAW flag byte
          1... ....      TIDAWLST       X'80' TIDAWLST This is the last
                                        TIDAW
          .1.. ....      TIDAWSKP       X'40' TIDAWSKP Skip data transfer
                                        for the TIDAW
          ..1. ....      TIDAWDXI       X'20' TIDAWDXI
                                        Data-transfer-interruption
                                        control
          ...1 ....      TIDAWTIC       X'10' TIDAWTIC
                                        TIDAW-transfer-in-channel (TTIC)
          .... 1...      TIDAWCBC       X'08' TIDAWCBC Insert-CBC control
                                        All other bits reserved for IBM
                                        use
0001    1 Bitstring    3 TIDAWRES       Reserved for IBM use
0004    4 Signed       4 TIDAWCNT       TIDAW count
0008    8 Dbl-Word     8 TIDAWADR (0)   TIDAW data address
0008    8 Signed       4 TIDAWADH       High half of data address
000C   12 Signed       4 TIDAWADL       Low half of data address
0010   16 Dbl-Word     8 TIDAWNXT (0)   Next TIDAW address
          00000010       TIDAWBSZ       (*-TIDAW) TIDAW byte size
          00000002       TIDAWDSZ       (*-TIDAW+7)/8 TIDAW dword size
 
 
  TIDAW Storage Layout Top of page
  
          
*** TIDAW - Transport indirect data addressing word mapping
*
*     +------+--------------------+---------------------------+
*   0 |:AWFLG|     TIDAWRES       |         TIDAWCNT          |
*     +------+--------------------+---------------------------+
*   8 |         TIDAWADH          |         TIDAWADL          |
*     +---------------------------+---------------------------+
*
*** TIDAW - Transport indirect data addressing word mapping
 
 
  TIDAW Cross Reference Top of page
  
 
Symbol         Dspl Value
-------------- ---- -----
TIDAWADH       0008
TIDAWADL       000C
TIDAWADR       0008
TIDAWBSZ       0010 00000010
TIDAWCBC       0000 08
TIDAWCNT       0004
TIDAWDSZ       0010 00000002
TIDAWDXI       0000 20
TIDAWFLG       0000
TIDAWLST       0000 80
TIDAWNXT       0010
TIDAWRES       0001
TIDAWSKP       0000 40
TIDAWTIC       0000 10
TIDAWW0        0000
 
This information is based on z/VM 7.3.0 Last updated on 22 Jun 2022 at 15:57:01 EDT.
Copyright IBM Corporation, 1990, 2022