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