ZLCBK Back to Index page
 
Prolog 
Control Block Contents 
   ZLCBK 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.


  ZLCBK Prolog Top of page
 
 NAME       : HCPZLCBK
 DESCRIPTION: LOGO FILE TABLE BLOCK
 DSECT      : ZLCBK
 FUNCTION   : This is a DSECT of file names used by HCPBLO to
              determine the appropriate logo for a specific device.
 LOCATED BY : HCPZLC, HCPBOZ, HCPBLO
 CREATED BY : HCPZLC   as part of system initialization
              triggered by reading LOGO CONFIG file
              by HCPZLCRD or as part of REFRESH
              LOGOINFO command by HCPZLCRF.
 DELETED BY : NONE
 RELOCATION CONSIDERATIONS : None
 
 
  ZLCBK Control Block Content Top of page
 

 ZLCBK DSECT Top of page
Hex Dec Type/Val Lng Label (dup) Comments ---- ---- --------- ---- -------------- -------- 0000 0 Structure ZLCBK LOGO FILE TABLE BLOCK *** ZLCBK - LOGO CONFIG FILE TABLE This portion of the control block lists: 1) the address of the 1st extension block 2) the address of the current extension block 3) the address of the 1st free byte in extension area; initially this is the address of ZLXVARS 4) the address of the 1st command_line block 5) the address of the current command_line block 6) the address of the 1st free byte in the current command block 7) the address of the 1st LDEV entry (if any) 8) the address of the 1st LOCAL entry (if any) 9) the address of the 1st VSM_VMID entry (if any) 0000 0 Signed 4 ZLCXPTR Pointer to 1st extension block 0004 4 Signed 4 ZLCURXT Address of current extension block 0008 8 Signed 4 ZLCFREE 1st free entry in an extension area 000C 12 Signed 4 ZLCCMDP Pointer to 1st command_line block 0010 16 Signed 4 ZLCCMDC Pointer to current command_line block 0014 20 Signed 4 ZLCCMDF Pointer to 1st free byte in command_line block 0018 24 Signed 4 ZLCLDEV Addr of 1st LDEV entry (2nd precedence) 001C 28 Signed 4 ZLCLOCAL Addr of 1st Local entry (4th precedence) 0020 32 Signed 4 ZLCVTAM Addr of 1st VTAMid entry 0024 36 Signed 4 * Reserved for future IBM Use This portion of the control block lists the fixed portion: 1) Online_Message filename and filetype 2) Input_Area filename and filetype 3) The different status areas 4) The Spool logo filename and filetype 5) The Default logo filename, filetype and cmd pointer 6) The Minimum logo filename and filetype 0028 40 Character 16 ZLCONLIN (0) Filename and type of Online Message 0028 40 Character 8 ZLCONLFN Online Message filename 0030 48 Character 8 ZLCONLFT Online Message filetype 0038 56 Character 16 ZLCINPUT (0) Filename and type of Input area 0038 56 Character 8 ZLCINPFN Filename of Input area 0040 64 Character 8 ZLCINPFT Filetype of Input area 00000048 ZLCSTATS * Status area values 0048 72 Character 8 ZLCMORE 'more' 0050 80 Character 8 ZLCRUNN 'running' 0058 88 Character 12 ZLCNTAC 'not accepted' 0064 100 Character 8 ZLCVMRD 'vm read' 006C 108 Character 8 ZLCCPRD 'cp read' 0074 116 Character 8 ZLCHOLD 'holding' 007C 124 Signed 4 * Reserved for future IBM use 0080 128 Character 16 ZLCSPOOL (0) Fn & Ft of spooling logo 0080 128 Character 8 ZLCSPOFN Fn of spooling logo 0088 136 Character 8 ZLCSPOFT Ft of spooling logo 0090 144 Character 16 ZLCDEFLT (0) Fn & Ft of Default logo (5th in preced 0090 144 Character 8 ZLCDEFFN Fn of Default logo (5th in precedence) 0098 152 Character 8 ZLCDEFFT Ft of Default logo (5th in precedence) 00A0 160 Signed 4 ZLCDFTCP Pointer to default command (if any) 00A4 164 Signed 4 * Reserved for future IBM use 00A8 168 Character 16 ZLCMINMM (0) Fn & Ft of Minimum logo (6th in preced 00A8 168 Character 8 ZLCMINFN Fn of Minimum logo (6th in precedence) 00B0 176 Character 8 ZLCMINFT Ft of Minimum logo (6th in precedence) 00B8 184 Signed 4 ZLCLPLST Addr of Plist extensions(see HCPZLCRD) 00BC 188 Bitstring 1 ZLCFLAGS Flags used by refresh processing 1... .... ZLCRFRLO X'80' ZLCRFRLO This is a REFRESH LOGOINFO command ..1. .... ZLCSYNER X'20' ZLCSYNER SYNtax ERrors found in logo config file 00BD 189 Bitstring 1 * (3) Reserved for future IBM use 00C0 192 Character 16 ZLCRFRSH (0) Fn & Ft of refresh logoinfo file 00C0 192 Character 8 ZLCRFRFN Fn of refresh logo 00C8 200 Character 8 ZLCRFRFT Ft of refresh logo 00D0 208 Signed 4 * Reserved for future IBM Use 00D4 212 Signed 4 * Reserved for future IBM use 00D8 216 Character 256 ZLCERTKN Area to store error tokens in 000001D8 ZLCLEN *-ZLCBK Length in bytes 0000003B ZLCSIZED (*-ZLCBK+7)/8 Length in double words
 
 
  ZLCBK Storage Layout Top of page
 
          
*** ZLCBK - LOGO FILE TABLE BLOCK
*
*     +---------------------------+---------------------------+
*   0 |         ZLCXPTR           |         ZLCURXT           |
*     +---------------------------+---------------------------+
*   8 |         ZLCFREE           |         ZLCCMDP           |
*     +---------------------------+---------------------------+
*  10 |         ZLCCMDC           |         ZLCCMDF           |
*     +---------------------------+---------------------------+
*  18 |         ZLCLDEV           |         ZLCLOCAL          |
*     +---------------------------+---------------------------+
*  20 |         ZLCVTAM           |///////////////////////////|
*     +---------------------------+---------------------------+
*  28 |                       ZLCONLFN                        |
*     +-------------------------------------------------------+
*  30 |                       ZLCONLFT                        |
*     +-------------------------------------------------------+
*  38 |                       ZLCINPFN                        |
*     +-------------------------------------------------------+
*  40 |                       ZLCINPFT                        |
*     +-------------------------------------------------------+
*  48 |                       ZLCMORE                         |
*     +-------------------------------------------------------+
*  50 |                       ZLCRUNN                         |
*     +-------------------------------------------------------+
*  58 |                       ZLCNTAC                         |
*     |                           +---------------------------+
*     |                           |         ZLCVMRD-          |
*     +---------------------------+---------------------------+
*  68 |          -(064)           |         ZLCCPRD-          |
*     +---------------------------+---------------------------+
*  70 |          -(06C)           |         ZLCHOLD-          |
*     +---------------------------+---------------------------+
*  78 |          -(074)           |///////////////////////////|
*     +---------------------------+---------------------------+
*  80 |                       ZLCSPOFN                        |
*     +-------------------------------------------------------+
*  88 |                       ZLCSPOFT                        |
*     +-------------------------------------------------------+
*  90 |                       ZLCDEFFN                        |
*     +-------------------------------------------------------+
*  98 |                       ZLCDEFFT                        |
*     +---------------------------+---------------------------+
*  A0 |         ZLCDFTCP          |///////////////////////////|
*     +---------------------------+---------------------------+
*  A8 |                       ZLCMINFN                        |
*     +-------------------------------------------------------+
*  B0 |                       ZLCMINFT                        |
*     +---------------------------+------+--------------------+
*  B8 |         ZLCLPLST          |:FLAGS|////////////////////|
*     +---------------------------+------+--------------------+
*  C0 |                       ZLCRFRFN                        |
*     +-------------------------------------------------------+
*  C8 |                       ZLCRFRFT                        |
*     +---------------------------+---------------------------+
*  D0 |///////////////////////////|///////////////////////////|
*     +---------------------------+---------------------------+
*  D8 |                                                       |
*     =                       ZLCERTKN                        =
*     |                                                       |
*     +-------------------------------------------------------+
* 1D8
*
*** ZLCBK - LOGO FILE TABLE BLOCK
 
 
  ZLCBK Cross Reference Top of page
 
 
Symbol         Dspl Value
-------------- ---- -----
ZLCCMDC        0010
ZLCCMDF        0014
ZLCCMDP        000C
ZLCCPRD        006C
ZLCDEFFN       0090
ZLCDEFFT       0098
ZLCDEFLT       0090
ZLCDFTCP       00A0
ZLCERTKN       00D8
ZLCFLAGS       00BC
ZLCFREE        0008
ZLCHOLD        0074
ZLCINPFN       0038
ZLCINPFT       0040
ZLCINPUT       0038
ZLCLDEV        0018
ZLCLEN         00D8 000001D8
ZLCLOCAL       001C
ZLCLPLST       00B8
ZLCMINFN       00A8
ZLCMINFT       00B0
ZLCMINMM       00A8
ZLCMORE        0048
ZLCNTAC        0058
ZLCONLFN       0028
ZLCONLFT       0030
ZLCONLIN       0028
ZLCRFRFN       00C0
ZLCRFRFT       00C8
ZLCRFRLO       00BC 80
ZLCRFRSH       00C0
ZLCRUNN        0050
ZLCSIZED       00D8 0000003B
ZLCSPOFN       0080
ZLCSPOFT       0088
ZLCSPOOL       0080
ZLCSTATS       0040 00000048
ZLCSYNER       00BC 20
ZLCURXT        0004
ZLCVMRD        0064
ZLCVTAM        0020
ZLCXPTR        0000
 
This information is based on z/VM 7.3.0 Last updated on 22 Jun 2022 at 15:58:19 EDT.
Copyright IBM Corporation, 1990, 2022