CSEHDRBK Back to Index page
 
Prolog 
Control Block Contents 
   CSEHDRBK 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.


  CSEHDRBK Prolog Top of page
  
 NAME       : CSEHDRBK
 DESCRIPTION: CSE header record on each CSE track
 DSECT      : CSEHDRBK
 RELOCATION CONSIDERATIONS : None
 
 
  CSEHDRBK Control Block Content Top of page
  




 CSEHDRBK DSECT
Top of page


Hex   Dec Type/Val   Lng Label (dup)    Comments
---- ---- --------- ---- -------------- --------
0000    0 Structure      CSEHDRBK       CSE header record on each CSE track
0000    0 Character    8 ISFHHDR        CSE version, rel, lvl
0008    8 Character    8 *              Reserved
0010   16 Character    8 ISFHUSER       Userid who did the FORMAT
0018   24 Character    8 ISFHSYSN       System that did the FORMAT
0020   32 Character    8 ISFHDATE       Date of FORMAT
0028   40 Character    8 ISFHTIME       Time of FORMAT
0030   48 Address      2 ISFHRECL       CSE recl at FORMAT time
0032   50 Address      2 ISFHRECS       CSE recs at FORMAT time
0034   52 Address      4 *              Reserved
0038   56 Address      1 ISFHHKEY       I*1 CSE hdr key
0039   57 Address      1 ISFHKKEY       I*2 CSE key key
003A   58 Address      1 ISFHRKEY       I*3 Read flag key
003B   59 Address      1 ISFHNKEY       I*4 Nolink flag key
003C   60 Address      1 ISFHWKEY       I*5 Write flag key
003D   61 Address      1 ISFHCKEY       I*6 Clear record key
003E   62 Bitstring    1 ISFHSRKY       Key from SR flag record
003F   63 Bitstring    1 ISFHSWKY       Key from SW flag record
0040   64 Bitstring    1 ISFHXRKY       Key from ER flag record
0041   65 Bitstring    1 ISFHXWKY       Key from EW flag record
0042   66 Bitstring    1 * (6)          Reserved
0048   72 Bitstring    1 ISFHRFLG       The read flag
0049   73 Bitstring    1 ISFHNFLG       The nolink flag
004A   74 Bitstring    1 ISFHWFLG       The write flag
004B   75 Bitstring    1 ISFHSRFL       Stable Read flag
004C   76 Bitstring    1 ISFHSWFL       Stable Write flag
004D   77 Bitstring    1 ISFHXRFL       Exclusive Read flag
004E   78 Bitstring    1 ISFHXWFL       Exclusive Write flag
004F   79 Bitstring    1 *              Reserved
0050   80 Address      1 ISFHMKEY (32)  Space for 32 map keys
0070  112 Dbl-Word     8 * (2)          Reserved
0080  128 Dbl-Word     8 ISFHHSK        Count fld hdr record
0088  136 Dbl-Word     8 ISFHMSK        Count fld 1st map rec.
0090  144 Dbl-Word     8 ISFHKSK        Count fld 1st key rec.
0098  152 Dbl-Word     8 ISFHRSK        Count fld read flag
00A0  160 Dbl-Word     8 ISFHNSK        Count fld nolink flag
00A8  168 Dbl-Word     8 ISFHWSK        Count fld write flag
00B0  176 Dbl-Word     8 ISFHCSK        Count fld clear rec.
00B8  184 Dbl-Word     8 ISFHSRSK       Count fld from SR flag rec
00C0  192 Dbl-Word     8 ISFHSWSK       Count fld from SW flag rec
00C8  200 Dbl-Word     8 ISFHXRSK       Count fld from ER flag rec
00D0  208 Dbl-Word     8 ISFHXWSK       Count fld from EW flag rec
00D8  216 Dbl-Word     8 * (3)          Reserved
          000000F0       ISFHDRL        *-CSEHDRBK Hdr data length
 
 
  CSEHDRBK Storage Layout Top of page
  
          
*** CSEHDRBK - CSE header record on each CSE track
*
*     +-------------------------------------------------------+
*   0 |                       ISFHHDR                         |
*     +-------------------------------------------------------+
*   8 |///////////////////////////////////////////////////////|
*     +-------------------------------------------------------+
*  10 |                       ISFHUSER                        |
*     +-------------------------------------------------------+
*  18 |                       ISFHSYSN                        |
*     +-------------------------------------------------------+
*  20 |                       ISFHDATE                        |
*     +-------------------------------------------------------+
*  28 |                       ISFHTIME                        |
*     +-------------+-------------+---------------------------+
*  30 |  ISFHRECL   |  ISFHRECS   |///////////////////////////|
*     +------+------+------+------+------+------+------+------+
*  38 |:HHKEY|:HKKEY|:HRKEY|:HNKEY|:HWKEY|:HCKEY|:HSRKY|:HSWKY|
*     +------+------+------+------+------+------+------+------+
*  40 |:HXRKY|:HXWKY|/////////////////////////////////////////|
*     +------+------+------+------+------+------+------+------+
*  48 |:HRFLG|:HNFLG|:HWFLG|:HSRFL|:HSWFL|:HXRFL|:HXWFL|//////|
*     +------+------+------+------+------+------+------+------+
*  50 |                                                       |
*     =                       ISFHMKEY                        =
*     |                                                       |
*     +-------------------------------------------------------+
*  70 |///////////////////////////////////////////////////////|
*     |///////////////////////////////////////////////////////|
*     +-------------------------------------------------------+
*  80 |                       ISFHHSK                         |
*     +-------------------------------------------------------+
*  88 |                       ISFHMSK                         |
*     +-------------------------------------------------------+
*  90 |                       ISFHKSK                         |
*     +-------------------------------------------------------+
*  98 |                       ISFHRSK                         |
*     +-------------------------------------------------------+
*  A0 |                       ISFHNSK                         |
*     +-------------------------------------------------------+
*  A8 |                       ISFHWSK                         |
*     +-------------------------------------------------------+
*  B0 |                       ISFHCSK                         |
*     +-------------------------------------------------------+
*  B8 |                       ISFHSRSK                        |
*     +-------------------------------------------------------+
*  C0 |                       ISFHSWSK                        |
*     +-------------------------------------------------------+
*  C8 |                       ISFHXRSK                        |
*     +-------------------------------------------------------+
*  D0 |                       ISFHXWSK                        |
*     +-------------------------------------------------------+
*  D8 |///////////////////////////////////////////////////////|
*     =///////////////////////////////////////////////////////=
*     |///////////////////////////////////////////////////////|
*     +-------------------------------------------------------+
*  F0
*
*** CSEHDRBK - CSE header record on each CSE track
 
 
  CSEHDRBK Cross Reference Top of page
  
 
Symbol         Dspl Value
-------------- ---- -----
ISFHCKEY       003D
ISFHCSK        00B0
ISFHDATE       0020
ISFHDRL        00D8 000000F0
ISFHHDR        0000
ISFHHKEY       0038
ISFHHSK        0080
ISFHKKEY       0039
ISFHKSK        0090
ISFHMKEY       0050
ISFHMSK        0088
ISFHNFLG       0049
ISFHNKEY       003B
ISFHNSK        00A0
ISFHRECL       0030
ISFHRECS       0032
ISFHRFLG       0048
ISFHRKEY       003A
ISFHRSK        0098
ISFHSRFL       004B
ISFHSRKY       003E
ISFHSRSK       00B8
ISFHSWFL       004C
ISFHSWKY       003F
ISFHSWSK       00C0
ISFHSYSN       0018
ISFHTIME       0028
ISFHUSER       0010
ISFHWFLG       004A
ISFHWKEY       003C
ISFHWSK        00A8
ISFHXRFL       004D
ISFHXRKY       0040
ISFHXRSK       00C8
ISFHXWFL       004E
ISFHXWKY       0041
ISFHXWSK       00D0
 
This information is based on z/VM 6.3.0 Last updated on 22 May 2013 at 13:53:41 EDT.
Copyright IBM Corporation, 1990, 2013