Programming Interface Information:
This information is NOT intended to be
used as Programming Interfaces of z/VM.

SWPBK

Prolog  

Control Block Contents  
   SWPBK DSECT

Storage Layout  

Cross Reference (Contains links to field and bit definitions)  


SWPBK Prolog

 NAME       : HCPSWPBK
 DESCRIPTION: VSWITCH Port Group Block
 DSECT      : SWPBK
 FUNCTION   :
              Define a structure to represent a Virtual Switch
              Port Group to be used for Link Aggregation.
 LOCATED BY -
   LANSPBLK - The LAN Block
 CREATED BY :
              CP SET PORT GROUP command
 DELETED BY :
              CP SET PORT GROUP command
 REFERENCES :
              None
 RELOCATION CONSIDERATIONS : None

 

SWPBK Control Block Content


SWPBK DSECT

Hex   Dec Type/Val   Lng Label (dup)    Comments
---- ---- --------- ---- -------------- --------
0000    0 Structure      SWPBK          VSWITCH Port Group Block
0000    0 Address      4 SWPFPNT        Pointer to Next SWPBK
0004    4 Address      4 SWPBPNT        Pointer to Previous SWPBK
0008    8 Character    8 SWPGROUP       Groupname
0010   16 Dbl-Word     8 * (3)          Reserved
0028   40 Address      4 SWPLANBK       HL@ of associated LANBK
002C   44 Bitstring    1 SWPFLAGS       SWPBK Flags
          1... ....      SWPLACP        X'80' SWPLACP - LACP Active
002D   45 Bitstring    1 *              Reserved
002E   46 Signed       2 SWPINTVL       Number of 30 second intervals
                                        between load balancing
                                        operations.
0030   48 Signed       2 SWPINTSC       Number of seconds between load
                                        balancing operations (rounded to
                                        next higher multiple of 30
                                        seconds)
0032   50 Signed       2 SWPRDDCT       Number of LANRDD entries
0034   52 Address      4 SWPRRDEV       Chain of LANRDD Descriptors
      End of the SWPBK.
          00000038       SWP$END        * End of the SWPBK
          00000038       SWPBKLN        *-SWPBK Length of SWPBK in bytes
          00000007       SWPBKSZ        (*-SWPBK+7)/8 Size of SWPBK in
                                        doublewords

 

SWPBK Storage Layout

          
*** SWPBK - VSWITCH Port Group Block
*
*     +---------------------------+---------------------------+
*   0 |         SWPFPNT           |         SWPBPNT           |
*     +---------------------------+---------------------------+
*   8 |                       SWPGROUP                        |
*     +-------------------------------------------------------+
*  10 |///////////////////////////////////////////////////////|
*     =///////////////////////////////////////////////////////=
*     |///////////////////////////////////////////////////////|
*     +---------------------------+------+------+-------------+
*  28 |         SWPLANBK          |:FLAGS|//////|  SWPINTVL   |
*     +-------------+-------------+------+------+-------------+
*  30 |  SWPINTSC   |  SWPRDDCT   |         SWPRRDEV          |
*     +-------------+-------------+---------------------------+
*  38
*
*** SWPBK - VSWITCH Port Group Block

 

SWPBK Cross Reference

Symbol         Dspl Value
-------------- ---- -----
SWP$END        0034 00000038
SWPBKLN        0034 00000038
SWPBKSZ        0034 00000007
SWPBPNT        0004
SWPFLAGS       002C
SWPFPNT        0000
SWPGROUP       0008
SWPINTSC       0030
SWPINTVL       002E
SWPLACP        002C 80
SWPLANBK       0028
SWPRDDCT       0032
SWPRRDEV       0034

This information is based on z/VM V6R2.0. Last updated on 21 Nov 2011 at 11:25:20 EDT.
Copyright IBM Corporation, 1990, 2011