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Programming Interface Information:
This information is NOT intended to be used as Programming Interfaces of z/VM. |
CSEHDRBK
Control Block Contents
CSEHDRBK DSECT
Cross Reference (Contains links to field and bit definitions)
CSEHDRBK Prolog
Name : CSEHDRBK
Description: CSE header record on each CSE track
DSECT : CSEHDRBK
COPYRIGHT -
THIS MODULE IS "RESTRICTED MATERIALS OF IBM"
5654-A17 (C) COPYRIGHT IBM CORP. - 1988, 2001
LICENSED MATERIALS - PROPERTY OF IBM
CSEHDRBK Control Block Content
CSEHDRBK DSECT
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
*** 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
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
Copyright IBM Corporation, 1990, 2002