RDPBK Back to Index page
 
Prolog 
Control Block Contents 
   RDPBK 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.


  RDPBK Prolog Top of page
 
              Description: Relocation Data Package Block
              DSECT      : RDPBK
              Function   : Provide symbolic reference to the fields of a
              Relocation Data Package Block used by Live
              Guest Relocation (LGR)
              Located by : N/A
              Created by : HCPRLDBP
              Deleted by : HCPRLDRL
              RELOCATION CONSIDERATIONS - None
 
 
  RDPBK Control Block Content Top of page
 

 RDPBK DSECT Top of page
Hex Dec Type/Val Lng Label (dup) Comments ---- ---- --------- ---- -------------- -------- 0000 0 Structure RDPBK Relocation Data Package Block 0000 0 Signed 4 RDPEC Eye-catcher 0004 4 Signed 2 RDPHLEN Byte length of RDP Header. = the sum of the fixed header length (RDPBKBSZ) + the length of RDPALST (RDPALEN*16). 0006 6 Bitstring 1 * Reserved for IBM use 0007 7 Bitstring 1 RDPRC Response Code 00000000 RDPOK X'00' RDPOK Succesful completion 00000001 RDPINVRD X'01' RDPINVRD Invalid RDOBK in RDP 00000002 RDPINVSZ X'02' RDPINVSZ Invalid request size 00000003 RDPNOSPC X'03' RDPNOSPC ALST table is full 00000004 RDPUERR X'04' RDPUERR User-initiated error 0008 8 Signed 2 RDPCBLVL RDP Control Block Level 000A 10 Signed 2 RDPPCBO Primary Control Block Offset 000C 12 Signed 4 RDPDLEN Total byte length of the RDP. = the offset to the end of the last RDO in the RDP. Used to determine where the next RDO can be appended to the RDP. 0010 16 Address 4 RDPLASTA RAS: HLA(last RDOBK in RDP) 0014 20 Signed 4 RDPERO RAS: RDP error offset 0018 24 Bitstring 1 RDPLOCK Lock byte X'FF' - Indicates this RDP is locked X'00' - Indicates this RDP is not locked 0019 25 Bitstring 1 RDPSTS Reserved for IBM use 00000080 RDPPRIM X'80' RDPPRIM Processing Primary CB in RDP 001A 26 Signed 2 RDPPCNT Process Count 001C 28 Address 4 RDPCPEA CPEBK address 0020 32 Signed 4 RDPUTKN User-defined token 0024 36 Signed 4 * (2) Reserved for IBM use 002C 44 Signed 2 RDPALEN Address List length 002E 46 Signed 2 RDPACNT # entries in Address List 0030 48 Address 4 RDPALST (0) Address List origin List entries are mapped by MBHBF DSECT in HCPMBHBK COPY for compatibility with ISFC I/O 00000030 RDPBKBSZ *-RDPBK RDPBK byte size 000000FD RDPMAXA (4096-(RDPALST-RDPBK))/16 Max entries in RDPALST 00000004 RDPMUL16 4 Shift-Left value for *16 Assumes MBHBFLN=16
 
 
  RDPBK Storage Layout Top of page
 
          
*** RDPBK - Relocation Data Package Block
*
*     +---------------------------+-------------+------+------+
*   0 |          RDPEC            |  RDPHLEN    |//////|RDPRC |
*     +-------------+-------------+-------------+------+------+
*   8 |  RDPCBLVL   |  RDPPCBO    |         RDPDLEN           |
*     +-------------+-------------+---------------------------+
*  10 |         RDPLASTA          |          RDPERO           |
*     +------+------+-------------+---------------------------+
*  18 |:LOCK |RDPSTS|  RDPPCNT    |         RDPCPEA           |
*     +------+------+-------------+---------------------------+
*  20 |         RDPUTKN           |///////////////////////////|
*     +---------------------------+-------------+-------------+
*  28 |///////////////////////////|  RDPALEN    |  RDPACNT    |
*     +---------------------------+-------------+-------------+
*
*** RDPBK - Relocation Data Package Block
 
 
  RDPBK Cross Reference Top of page
 
 
Symbol         Dspl Value
-------------- ---- -----
RDPACNT        002E
RDPALEN        002C
RDPALST        0030
RDPBKBSZ       0030 00000030
RDPCBLVL       0008
RDPCPEA        001C
RDPDLEN        000C
RDPEC          0000
RDPERO         0014
RDPHLEN        0004
RDPINVRD       0007 00000001
RDPINVSZ       0007 00000002
RDPLASTA       0010
RDPLOCK        0018
RDPMAXA        0030 000000FD
RDPMUL16       0030 00000004
RDPNOSPC       0007 00000003
RDPOK          0007 00000000
RDPPCBO        000A
RDPPCNT        001A
RDPPRIM        0019 00000080
RDPRC          0007
RDPSTS         0019
RDPUERR        0007 00000004
RDPUTKN        0020
 
This information is based on z/VM 7.3.0 Last updated on 22 Jun 2022 at 15:54:21 EDT.
Copyright IBM Corporation, 1990, 2022