DG0BK Back to Index page
 
Prolog 
Control Block Contents 
   DG0BK 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.

 
  DG0BK Control Block Content Top of page
  




 DG0BK DSECT
Top of page


Hex   Dec Type/Val   Lng Label (dup)    Comments
---- ---- --------- ---- -------------- --------
0000    0 Structure      DG0BK          NETWORK DIAGNOSE x'2A8' Request Blocks
0000    0 Bitstring    6 DG0MAC         MAC Address for Interface
0006    6 Bitstring    1 DG0FMT         Query Interface Format
          .... ....      DG0FMINT       0 DG0FMINT Initial Release
          .... ...1      DG0FMOCM       1 DG0FMOCM Operation Code Mask
                                        Support
0007    7 Bitstring    1 DG0FEAT        Interface Features
          1... ....      DG0PCI         X'80' DG0PCI PCI IRPT for inbound
                                        packets
0008    8 Signed       2 DG0PAGES       Guest real pages required to
                                        establish a device connection
000A   10 Signed       2 DG0PAG31       Guest real pages below 2 GIG to
                                        establish a device connection
000C   12 Signed       2 *              Reserved for future IBM Use
000E   14 Signed       2 DG0MACL        MAC Registration Limit
0010   16 Dbl-Word     8 DG0CCW         Activation CCW
0018   24 Dbl-Word     8 * (4)          Reserved for Future IBM Use
0038   56 Bitstring    1 DG0OCM0        Operation Code Mask Byte 0
          1... ....      DG0OMQRY       X'80' DG0OMQRY Query Interface
          .1.. ....      DG0OMEST       X'40' DG0OMEST Establish Device
                                        Connection
          ..1. ....      DG0OMSND       X'20' DG0OMSND Send Datagram
                                        Request
          ...1 ....      DG0OMRCV       X'10' DG0OMRCV Receive Datagram
                                        Request
          .... 1...      DG0OMMUL       X'08' DG0OMMUL Multicast MAC
                                        Registration
          .... .1..      DG0OMOPT       X'04' DG0OMOPT Network Device
                                        Options
          1111 11..      DG0OMBAS       DG0OMQRY+DG0OMEST+DG0OMSND+DG0OMR
                                        CV+DG0OMMUL+DG0OMOPT DG Base
                                        Support
0039   57 Bitstring    1 DG0OCM1        Operation Code Mask Byte 1
003A   58 Bitstring    1 DG0OCM2        Operation Code Mask Byte 2
003B   59 Bitstring    1 DG0OCM3        Operation Code Mask Byte 3
003C   60 Signed       4 *              Reserved for Future IBM Use
0040   64 Bitstring    1 DG0$END (0)    The end
      DG1BK Operation Code x'01' Establish Device Connection
 
 
  DG0BK Storage Layout Top of page
  
          
*** DG0BK - NETWORK DIAGNOSE x'2A8' Request Blocks
*
*     +-----------------------------------------+------+------+
*   0 |                 DG0MAC                  |DG0FMT|:FEAT |
*     +-------------+-------------+-------------+------+------+
*   8 |  DG0PAGES   |  DG0PAG31   |/////////////|  DG0MACL    |
*     +-------------+-------------+-------------+-------------+
*  10 |                        DG0CCW                         |
*     +-------------------------------------------------------+
*  18 |///////////////////////////////////////////////////////|
*     =///////////////////////////////////////////////////////=
*     |///////////////////////////////////////////////////////|
*     +------+------+------+------+---------------------------+
*  38 |:OCM0 |:OCM1 |:OCM2 |:OCM3 |///////////////////////////|
*     +------+------+------+------+---------------------------+
*
*** DG0BK - NETWORK DIAGNOSE x'2A8' Request Blocks
 
 
  DG0BK Cross Reference Top of page
  
 
Symbol         Dspl Value
-------------- ---- -----
DG0$END        0040
DG0CCW         0010
DG0FEAT        0007
DG0FMINT       0006 00
DG0FMOCM       0006 01
DG0FMT         0006
DG0MAC         0000
DG0MACL        000E
DG0OCM0        0038
DG0OCM1        0039
DG0OCM2        003A
DG0OCM3        003B
DG0OMBAS       0038 FC
DG0OMEST       0038 40
DG0OMMUL       0038 08
DG0OMOPT       0038 04
DG0OMQRY       0038 80
DG0OMRCV       0038 10
DG0OMSND       0038 20
DG0PAGES       0008
DG0PAG31       000A
DG0PCI         0007 80
 
This information is based on z/VM 7.3.0 Last updated on 22 Jun 2022 at 15:49:06 EDT.
Copyright IBM Corporation, 1990, 2022