IXBLK Back to Index page
 
Prolog 
Control Block Contents 
   IXBLK 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.


  IXBLK Prolog Top of page
 
 NAME       : HCPIXBLK
 DESCRIPTION: IUCV DEFERRED EXECUTION BLOCK
 DSECT      : IXBLK
 FUNCTION   : TO DEFER EXECUTION OF AN IUCV FUNCTION.  USED BY IUCV
              CP SYSTEM SERVICES FOR THE SEND AND CONNECT IUCV
              FUNCTIONS.
 LOCATED BY : IUCPNDHD FIELD OF HCPCCTBK
 CREATED BY : INVOKER OF IUCV FUNCTION
 DELETED BY : INVOKER OF IUCV FUNCTION
 RELOCATION CONSIDERATIONS : None
 NOTES      : USED EXCLUSIVELY BY IUCV SYSTEM SERVICES
 
 
  IXBLK Control Block Content Top of page
 

 IXBLK DSECT Top of page
Hex Dec Type/Val Lng Label (dup) Comments ---- ---- --------- ---- -------------- -------- 0000 0 Structure IXBLK IUCV DEFERRED EXECUTION BLOCK **** THE VALUE OF IPSIZE FOR DATAMAP IS 5 0000 0 Dbl-Word 8 IXBPARM (5) PARM LIST AREA 0028 40 Bitstring 64 IXBREGS (0) REGISTER SAVE AREA 0028 40 Signed 4 IXBR0 002C 44 Signed 4 IXBR1 0030 48 Signed 4 IXBR2 0034 52 Signed 4 IXBR3 0038 56 Signed 4 IXBR4 003C 60 Signed 4 IXBR5 0040 64 Signed 4 IXBR6 0044 68 Signed 4 IXBR7 0048 72 Signed 4 IXBR8 004C 76 Signed 4 IXBR9 0050 80 Signed 4 IXBR10 0054 84 Signed 4 IXBR11 0058 88 Signed 4 IXBR12 005C 92 Signed 4 IXBR13 0060 96 Signed 4 IXBR14 0064 100 Signed 4 IXBIRA INTERRUPT RETURN ADDRESS 0068 104 Signed 4 IXBNEXT ADD OF NEXT IXBLK IN PEND. CHAIN 006C 108 Signed 4 * RESERVED **** THE VALUE OF IPSIZE FOR DATAMAP IS 5 0070 112 Dbl-Word 8 IXBXBLOK (5) EXTERNAL BUFFER AREA 00000013 IXBSIZE (*-IXBLK+7)/8 IXBLOK SIZE IN DOUBLEWORDS
 
 
  IXBLK Storage Layout Top of page
 
          
*** IXBLK - IUCV DEFERRED EXECUTION BLOCK
*
*     +-------------------------------------------------------+
*   0 |                                                       |
*     =                       IXBPARM                         =
*     |                                                       |
*     +---------------------------+---------------------------+
*  28 |          IXBR0            |          IXBR1            |
*     +---------------------------+---------------------------+
*  30 |          IXBR2            |          IXBR3            |
*     +---------------------------+---------------------------+
*  38 |          IXBR4            |          IXBR5            |
*     +---------------------------+---------------------------+
*  40 |          IXBR6            |          IXBR7            |
*     +---------------------------+---------------------------+
*  48 |          IXBR8            |          IXBR9            |
*     +---------------------------+---------------------------+
*  50 |          IXBR10           |          IXBR11           |
*     +---------------------------+---------------------------+
*  58 |          IXBR12           |          IXBR13           |
*     +---------------------------+---------------------------+
*  60 |          IXBR14           |          IXBIRA           |
*     +---------------------------+---------------------------+
*  68 |         IXBNEXT           |///////////////////////////|
*     +---------------------------+---------------------------+
*  70 |                                                       |
*     =                       IXBXBLOK                        =
*     |                                                       |
*     +-------------------------------------------------------+
*  98
*
*** IXBLK - IUCV DEFERRED EXECUTION BLOCK
 
 
  IXBLK Cross Reference Top of page
 
 
Symbol         Dspl Value
-------------- ---- -----
IXBIRA         0064
IXBNEXT        0068
IXBPARM        0000
IXBREGS        0028
IXBR0          0028
IXBR1          002C
IXBR10         0050
IXBR11         0054
IXBR12         0058
IXBR13         005C
IXBR14         0060
IXBR2          0030
IXBR3          0034
IXBR4          0038
IXBR5          003C
IXBR6          0040
IXBR7          0044
IXBR8          0048
IXBR9          004C
IXBSIZE        0070 00000013
IXBXBLOK       0070
 
This information is based on z/VM 7.1.0 Last updated on 22 Jun 2018 at 11:50:19 EDT.
Copyright IBM Corporation, 1990, 2018