WWPN Back to Index page
 
Prolog 
Control Block Contents 
   WWPN 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.


  WWPN Prolog Top of page
  
 NAME       : HCPFCPBK
 DESCRIPTION: Allows multiple WWPNs to be added to
              an RDEV.
 DSECT      : WWPN
 FUNCTION   : Provide storage space for WWPNs attached to
              FCPBK.
 
 
  WWPN Control Block Content Top of page
  




 WWPN DSECT
Top of page


Hex   Dec Type/Val   Lng Label (dup)    Comments
---- ---- --------- ---- -------------- --------
0000    0 Structure      WWPN           Allows multiple WWPNs to be added to
0000    0 Address      4 WWPNFWRD       Address of next WWPN
0008    8 Dbl-Word     8 WWPNVAL        WWPN Device number
0010   16 Bitstring    1 WWPNFLAG       WWPN Flag byte
          1... ....      WWPNACT        X'80' WWPNACT Bit for active
                                        state
0011   17 Bitstring    3 WWPNDID        Device Identifier
0014   20 Signed       4 WWPNHNDL       Port Handle
0018   24 Dbl-Word     8 *              Reserved for IBM use
          00000020       WWPNBYSZ       *-WWPN WWPN size in bytes
          00000004       WWPNDSZ        ((*-WWPN)+7)/8 WWPN size in
                                        double-words
 
 
  WWPN Storage Layout Top of page
  
          
*** WWPN - Allows multiple WWPNs to be added to
*
*     +---------------------------+---------------------------+
*   0 |         WWPNFWRD          |///////////////////////////|
*     +---------------------------+---------------------------+
*   8 |                       WWPNVAL                         |
*     +------+--------------------+---------------------------+
*  10 |:NFLAG|      WWPNDID       |         WWPNHNDL          |
*     +------+--------------------+---------------------------+
*  18 |///////////////////////////////////////////////////////|
*     +-------------------------------------------------------+
*  20
*
*** WWPN - Allows multiple WWPNs to be added to
 
 
  WWPN Cross Reference Top of page
  
 
Symbol         Dspl Value
-------------- ---- -----
WWPNACT        0010 80
WWPNBYSZ       0018 00000020
WWPNDID        0011
WWPNDSZ        0018 00000004
WWPNFLAG       0010
WWPNFWRD       0000
WWPNHNDL       0014
WWPNVAL        0008
 
This information is based on z/VM 7.2.0 Last updated on 24 Jun 2020 at 09:28:11 EDT.
Copyright IBM Corporation, 1990, 2020