PDMBK Back to Index page
 
Prolog 
Control Block Contents 
   PDMBK 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.

 
  PDMBK Control Block Content Top of page
  




 PDMBK DSECT
Top of page


Hex   Dec Type/Val   Lng Label (dup)    Comments
---- ---- --------- ---- -------------- --------
0000    0 Structure      PDMBK          PDR Management Block
0000    0 Dbl-Word     8 PDMPDRLK (3)   PDR lock
0018   24 Address      4 PDMPDRBK       PDR address
001C   28 Address      4 PDMRLIOR       Read and Lock IORBK address
0020   32 Address      4 PDMWUIOR       Write and Unlock IORBK address
0024   36 Address      4 PDMRKIOR       Read Key IORBK address
0028   40 Address      4 PDMFMIOR       Format IORBK address
002C   44 Address      4 PDMPLXPR       PDR RDEV address
0030   48 Signed       4 PDMRKRC        Read Key Return Code
0034   52 Signed       4 *              Reserved for IBM use
0038   56 Signed       4 PDMRIOER       Number of read I/O errors
003C   60 Signed       4 PDMUIOER       Number of update I/O errors
0040   64 Dbl-Word     8 PDMKEY (0)     PDR search key
0040   64 Bitstring    1 PDMKEYSS (0)   Key search string
0040   64 Character    8 PDMIDENT       PDR identifier
0048   72 Character    8 PDMPNAME       SSI Cluster name
0050   80 Character    8 PDMSTATE       PDR State
0058   88 Signed       4 * (6)          Reserved for IBM use
0070  112 Bitstring   16 PDMSTAMP       PDR time stamp
0080  128 Dbl-Word     8 PDMRLCCW (8)   Read and Lock CCWs
00C0  192 Dbl-Word     8 PDMWUCCW (6)   Write and Unlock CCWs
00F0  240 Dbl-Word     8 PDMRKCCW (4)   Read Key CCWs
0110  272 Dbl-Word     8 PDMFMCCW (3)   Format CCWS
0128  296 Signed       4 PDMCTRP        Number of calls to HCPPDRRP
012C  300 Signed       4 PDMCTRDS       Number of attempts to read PDR
0130  304 Signed       4 PDMCTUP        Number of calls to HCPPDRUP
0134  308 Signed       4 PDMCTSTL       Number of lock steals
0138  312 Bitstring   64 PDMOSINF       Old local system PDR information
0178  376 Dbl-Word     8 PDMIRBLK (12)  Interruption Response Block
01D8  472 Bitstring   64 PDMKEYSV       PDR key save area
          00000218       PDMBKLEN       *-PDMBK PDM Block length
          00000043       PDMBKSIZ       (PDMBKLEN+7)/8 PDM Block size in
                                        doublewords
 
 
  PDMBK Storage Layout Top of page
  
          
*** PDMBK - PDR Management Block
*
*     +-------------------------------------------------------+
*   0 |                                                       |
*     =                       PDMPDRLK                        =
*     |                                                       |
*     +---------------------------+---------------------------+
*  18 |         PDMPDRBK          |         PDMRLIOR          |
*     +---------------------------+---------------------------+
*  20 |         PDMWUIOR          |         PDMRKIOR          |
*     +---------------------------+---------------------------+
*  28 |         PDMFMIOR          |         PDMPLXPR          |
*     +---------------------------+---------------------------+
*  30 |         PDMRKRC           |///////////////////////////|
*     +---------------------------+---------------------------+
*  38 |         PDMRIOER          |         PDMUIOER          |
*     +---------------------------+---------------------------+
*  40 |                       PDMIDENT                        |
*     +-------------------------------------------------------+
*  48 |                       PDMPNAME                        |
*     +-------------------------------------------------------+
*  50 |                       PDMSTATE                        |
*     +-------------------------------------------------------+
*  58 |///////////////////////////////////////////////////////|
*     =///////////////////////////////////////////////////////=
*     |///////////////////////////////////////////////////////|
*     +-------------------------------------------------------+
*  70 |                       PDMSTAMP                        |
*     |                                                       |
*     +-------------------------------------------------------+
*  80 |                                                       |
*     =                       PDMRLCCW                        =
*     |                                                       |
*     +-------------------------------------------------------+
*  C0 |                                                       |
*     =                       PDMWUCCW                        =
*     |                                                       |
*     +-------------------------------------------------------+
*  F0 |                                                       |
*     =                       PDMRKCCW                        =
*     |                                                       |
*     +-------------------------------------------------------+
* 110 |                                                       |
*     =                       PDMFMCCW                        =
*     |                                                       |
*     +---------------------------+---------------------------+
* 128 |         PDMCTRP           |         PDMCTRDS          |
*     +---------------------------+---------------------------+
* 130 |         PDMCTUP           |         PDMCTSTL          |
*     +---------------------------+---------------------------+
* 138 |                                                       |
*     =                       PDMOSINF                        =
*     |                                                       |
*     +-------------------------------------------------------+
* 178 |                                                       |
*     =                       PDMIRBLK                        =
*     |                                                       |
*     +-------------------------------------------------------+
* 1D8 |                                                       |
*     =                       PDMKEYSV                        =
*     |                                                       |
*     +-------------------------------------------------------+
* 218
*
*** PDMBK - PDR Management Block
 
 
  PDMBK Cross Reference Top of page
  
 
Symbol         Dspl Value
-------------- ---- -----
PDMBKLEN       01D8 00000218
PDMBKSIZ       01D8 00000043
PDMCTRDS       012C
PDMCTRP        0128
PDMCTSTL       0134
PDMCTUP        0130
PDMFMCCW       0110
PDMFMIOR       0028
PDMIDENT       0040
PDMIRBLK       0178
PDMKEY         0040
PDMKEYSS       0040
PDMKEYSV       01D8
PDMOSINF       0138
PDMPDRBK       0018
PDMPDRLK       0000
PDMPLXPR       002C
PDMPNAME       0048
PDMRIOER       0038
PDMRKCCW       00F0
PDMRKIOR       0024
PDMRKRC        0030
PDMRLCCW       0080
PDMRLIOR       001C
PDMSTAMP       0070
PDMSTATE       0050
PDMUIOER       003C
PDMWUCCW       00C0
PDMWUIOR       0020
 
This information is based on z/VM 7.3.0 Last updated on 22 Jun 2022 at 15:53:26 EDT.
Copyright IBM Corporation, 1990, 2022