CHNDX Back to Index page
 
Prolog 
Control Block Contents 
   CHNDX 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.


  CHNDX Prolog Top of page
 
 NAME       : HCPCHNDX
 DESCRIPTION: CHANNEL INDEXING BLOCK
 DSECT      : CHNDX
 RELOCATION CONSIDERATIONS : None
 
 
  CHNDX Control Block Content Top of page
 

 CHNDX DSECT Top of page
Hex Dec Type/Val Lng Label (dup) Comments ---- ---- --------- ---- -------------- -------- 0000 0 Structure CHNDX CHANNEL INDEXING BLOCK 0000 0 Signed 4 CHNDX0 INDEX ELEMENT FOR CHANNEL 0 0004 4 Signed 4 CHNDX1 INDEX ELEMENT FOR CHANNEL 1 0008 8 Signed 4 CHNDX2 INDEX ELEMENT FOR CHANNEL 2 000C 12 Signed 4 CHNDX3 INDEX ELEMENT FOR CHANNEL 3 0010 16 Signed 4 CHNDX4 INDEX ELEMENT FOR CHANNEL 4 0014 20 Signed 4 CHNDX5 INDEX ELEMENT FOR CHANNEL 5 0018 24 Signed 4 CHNDX6 INDEX ELEMENT FOR CHANNEL 6 001C 28 Signed 4 CHNDX7 INDEX ELEMENT FOR CHANNEL 7 0020 32 Signed 4 CHNDX8 INDEX ELEMENT FOR CHANNEL 8 0024 36 Signed 4 CHNDX9 INDEX ELEMENT FOR CHANNEL 9 0028 40 Signed 4 CHNDXA INDEX ELEMENT FOR CHANNEL A 002C 44 Signed 4 CHNDXB INDEX ELEMENT FOR CHANNEL B 0030 48 Signed 4 CHNDXC INDEX ELEMENT FOR CHANNEL C 0034 52 Signed 4 CHNDXD INDEX ELEMENT FOR CHANNEL D 0038 56 Signed 4 CHNDXE INDEX ELEMENT FOR CHANNEL E 003C 60 Signed 4 CHNDXF INDEX ELEMENT FOR CHANNEL F 0040 64 Dbl-Word 8 * (0) ALIGNMENT 00000008 CHNSIZE (*-CHNDX+7)/8 SIZE OF CHANNEL REQUEST ELEMENTS
 
 
  CHNDX Storage Layout Top of page
 
          
*** CHNDX - CHANNEL INDEXING BLOCK
*
*     +---------------------------+---------------------------+
*   0 |          CHNDX0           |          CHNDX1           |
*     +---------------------------+---------------------------+
*   8 |          CHNDX2           |          CHNDX3           |
*     +---------------------------+---------------------------+
*  10 |          CHNDX4           |          CHNDX5           |
*     +---------------------------+---------------------------+
*  18 |          CHNDX6           |          CHNDX7           |
*     +---------------------------+---------------------------+
*  20 |          CHNDX8           |          CHNDX9           |
*     +---------------------------+---------------------------+
*  28 |          CHNDXA           |          CHNDXB           |
*     +---------------------------+---------------------------+
*  30 |          CHNDXC           |          CHNDXD           |
*     +---------------------------+---------------------------+
*  38 |          CHNDXE           |          CHNDXF           |
*     +---------------------------+---------------------------+
*  40
*
*** CHNDX - CHANNEL INDEXING BLOCK
 
 
  CHNDX Cross Reference Top of page
 
 
Symbol         Dspl Value
-------------- ---- -----
CHNDXA         0028
CHNDXB         002C
CHNDXC         0030
CHNDXD         0034
CHNDXE         0038
CHNDXF         003C
CHNDX0         0000
CHNDX1         0004
CHNDX2         0008
CHNDX3         000C
CHNDX4         0010
CHNDX5         0014
CHNDX6         0018
CHNDX7         001C
CHNDX8         0020
CHNDX9         0024
CHNSIZE        0040 00000008
 
This information is based on z/VM 7.3.0 Last updated on 22 Jun 2022 at 15:48:02 EDT.
Copyright IBM Corporation, 1990, 2022