Programming Interface Information:
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RDPBK
Control Block Contents
RDPBK DSECT
Cross Reference (Contains links to field and bit definitions)
RDPBK Prolog
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
RDPBK DSECT
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
*** 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
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
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