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Programming Interface Information:
This information is NOT intended to be used as Programming Interfaces of z/VM. |
PCRBK
Control Block Contents
PCRBK DSECT
Cross Reference (Contains links to field and bit definitions)
PCRBK Prolog
NAME : HCPPCRBK
DESCRIPTION: PROCESSOR CONTROLLER REQUEST BLOCK
DSECT : PCRBK
FUNCTION : EACH PCRBK IDENTIFIES ONE OUTSTANDING PROCESSOR
CONTROLLER REQUEST.
LOCATED BY : PCSPCRQ ANCHOR FOR PROCESSOR CONTROLLER REQUEST QUEUE
PCRFPTR CHAINED VIA FORWARD POINTER OF PREVIOUS
REQUEST IN THE REQUEST QUEUE
CREATED BY : HCPPCD WHEN BUILDING REAL PROCESSOR CONTROLLER
REQUEST NEEDED FOR VIRT REQUEST PROCESSING
HCPPCV WHEN BUILDING REAL PROCESSOR CONTROLLER
REQUEST NEEDED FOR VIRT REQUEST PROCESSING
HCPRFG WHEN BUILDING REAL PROCESSOR CONTROLLER REQUEST
HCPSCP WHEN BUILDING REAL PROCESSOR CONTROLLER REQU
DELETED BY : HCPPCD WHEN REAL PROCESSOR CONTROLLER REQUEST COMP
HCPPCM WHEN REAL PROCESSOR CONTROLLER REQUEST COMP
HCPPCV WHEN REAL PROCESSOR CONTROLLER REQUEST COMPLETE
HCPRFG WHEN REAL PROCESSOR CONTROLLER REQUEST COMPLETE
HCPSCP WHEN REAL PROCESSOR CONTROLLER REQUEST COMPL
PCRBK Control Block Content
PCRBK DSECT
Hex Dec Type/Val Lng Label (dup) Comments
---- ---- --------- ---- -------------- --------
0000 0 Structure PCRBK PROCESSOR CONTROLLER REQUEST
BLOCK
0000 0 Address 4 PCRFPTR FORWARD POINTER TO NEXT PCRBK
0004 4 Address 4 PCRBPTR BACKWARD PCRBK PREVIOUS POINTER
0008 8 Bitstring 1 PCRFLAG REQUEST STATUS FLAG
1... .... PCRVMREQ X'80' VIRTUAL MACHINE REQUEST TO
THE PROCESSOR CONTROLLER
.1.. .... PCRCPREQ X'40' CP REQUEST TO PROCESSOR
CONTROLLER
..1. .... PCRNORET X'20' Caller does not want PC
return code
0009 9 Bitstring 1 PCRDSIVL THIS REQUEST WILL CAUSE THE IOCDS
DATA SET LEVEL TO BE MARKED
INVALID
00000010 PCRIOCPW X'10' IOCP OPEN WRITE REQUEST
STARTED; WHEN THIS REQUEST IS
ACTIVATED SEND A MESSAGE THAT
THAT THE IOCDS DATA SET WILL BE
ALTERED (MARKED INVALID)
00000000 PCRNODS X'00' FLAG TO SHOW THAT NO IOCDS
DATASET IS CURRENTLY BEING
ALTERED NOTES : CODES DEFINED FOR
PCRRPCIF BY HCPSYSCM SYSRPCIF
000A 10 Bitstring 1 PCRRPCIF PROCESSOR CONTROLLER INTERFACE
USED FOR REAL REQUEST PROCESSING
000B 11 Bitstring 1 PCRCMDIX SUPPORTED REAL PC COMMAND TABLE
INDEX . associated with tables in
HCPPCA and HCPPCB
00000000 PCRCMDNO 0 NO PC COMMANDS IDENTIFIED
00000004 PCRCMDIR 4 IOCP READ
00000008 PCRCMDIW 8 IOCP WRITE
0000000C PCRCMDPN 12 VARY CENTRAL PROCESSOR ON OR
CONFIGURE CPU
00000010 PCRCMDPF 16 VARY CENTRAL PROCESSOR OFF OR
DECONFIGURE CPU
00000014 PCRCMDSC 20 READ SCPINFO
00000018 PCRCMDXS 24 READ EXPANDED STORE USABILITY
MAP
0000001C PCRCMDXI 28 READ EXPANDED STORAGE ELEMENT
INFORMATION
00000020 PCRCMDCV 32 Connect Vector Facility
00000024 PCRCMDDV 36 Disconnect Vector Facility
00000028 PCRCMDCC 40 Configure Channel Path
0000002C PCRCMDDC 44 Deconfigure Channel Path
00000030 PCRCMDWM 48 Write Event Mask
00000034 PCRCMDWE 52 Write Event Data
00000038 PCRCMDRE 56 Read Event Data
0000003C PCRCMDRC 60 Read Channel Path information
00000040 PCRCMDXX 64 Read Expanded Storage
Usability Bit Map Extended
00000044 PCRCMDSS 68 Read Storage Status
000C 12 Address 4 PCRREG13 SAVEAREA ADDRESS USED TO COMPLETE
A CP REQUEST
0010 16 Address 4 PCRRDBKA REAL PROCESSOR CONTROLLER DATA
BLOCK ADDRESS POINTER
0014 20 Address 4 PCRVDBKA VIRTUAL PROCESSOR CONTROLLER DATA
BLOCK ADDRESS POINTER FOR VIRTUAL
MACHINE REQUEST
0018 24 Signed 4 PCRCMDWD (0) PROCESSOR CONTROLLER COMMAND WORD
0018 24 Bitstring 2 PCRCCODE COMMAND CODE
00000002 PCDSCPIN X'0002' SCP INFO
00000003 PCDCHPIN X'0003' CHANNEL PATH INFO
0000000F PCDVYCHN X'000F' VARY CHANNEL PATH ON
00000010 PCDVYCPF X'0010' VARY PROCESSOR (CPU) OFF
00000011 PCDVYCPN X'0011' VARY PROCESSOR (CPU) ON
00000040 PCDICPWT X'0040' IOCP WRITE
00000041 PCDICPRD X'0041' IOCP READ END OF
DEFINITION COMMAND DEPENDENT CODE
BYTE
00000002 PCCSCPCM X'0002' READ SCP INFO
00000003 PCCCPICM X'0003' STORE CHANNEL PATH INFO
00000009 PCCRSSCM X'0009' Read Storage Status
0000000E PCCDCHCM X'000E' Deconfigure channel path
0000000F PCCCCHCM X'000F' Configure channel path
00000010 PCCDCPCM X'0010' DECONFIGURE CPU
00000011 PCCVCPCM X'0011' CONFIGURE CPU
0000001A PCCDVFCM X'001A' Disconnect Vector
Facility
0000001B PCCCVFCM X'001B' Connect Vector Facility
0000001C PCCRCSCM X'001C' Read channel-subsystem
info
00000023 PCCXUECM X'0023' Read expanded storage
usability map extended
00000024 PCCXEICM X'0024' READ EXTENDED STORE
ELEMENT INFO
00000025 PCCXUMCM X'0025' READ EXTENDED STORE
USABILITY MAP
00000040 PCCWRDCM X'0040' WRITE MODEL DEPENDENT
DATA
00000041 PCCRDDCM X'0041' READ MODEL DEPENDENT DATA
00000076 PCCWEDCM X'0076' Write Event Data
00000077 PCCREDCM X'0077' Read Event Data
00000078 PCCWEMCM X'0078' Write Event Mask
001A 26 Bitstring 1 PCRDCODE COMMAND DEPENDENT CODE
00000000 PCDCMDVR X'00' VERIFY CHANNEL PATH INFO
AND SCPINFO COMMANDS
00000003 PCDCPMAX X'03' MAXIMUM CPU ADDRESS END OF
DEFINITION IDENTIFICATION CODE
BYTE
00000000 PCCSCPPM X'00' READ SCP INFO
00000000 PCCCPIPM X'00' STORE CHANNEL PATH INFO END
OF DEFINITION COMMAND-CLASS CODES
001B 27 Bitstring 1 PCRIDBYT IDENTIFICATION BYTE
00000002 PCDIOCP X'02' IOCP COMMAND
00000001 PCDCONFG X'01' CONFIGURATION COMMAND END
OF DEFINITION
00000001 PCCCNFIG X'01' CONFIGURATION COMMAND CLASS
00000002 PCCIOCP X'02' IOCP COMMAND CLASS
00000005 PCCWTOFC X'05' Write-to-Operator-Facility
Command class END OF DEFINITION
001C 28 Address 4 PCRVMDBK REQUESTOR'S VMDBK ADDRESS
0020 32 Address 4 PCRVMBAS REQUESTOR'S BASE VMDBK ADDRESS
0024 36 Signed 4 * RESERVED FOR FUTURE IBM USE
00000005 PCRSIZE (*-PCRBK+7)/8 :SIZE OF BLOCK IN
DOUBLE WORDS
PCRBK Storage Layout
*** PCRBK - PROCESSOR CONTROLLER REQUEST BLOCK
*
* +---------------------------+---------------------------+
* 0 | PCRFPTR | PCRBPTR |
* +------+------+------+------+---------------------------+
* 8 |:FLAG |:DSIVL|:RPCIF|:CMDIX| PCRREG13 |
* +------+------+------+------+---------------------------+
* 10 | PCRRDBKA | PCRVDBKA |
* +-------------+------+------+---------------------------+
* 18 | PCRCCODE |:DCODE|:IDBYT| PCRVMDBK |
* +-------------+------+------+---------------------------+
* 20 | PCRVMBAS |///////////////////////////|
* +---------------------------+---------------------------+
* 28
*
*** PCRBK - PROCESSOR CONTROLLER REQUEST BLOCK
PCRBK Cross Reference
Symbol Dspl Value -------------- ---- ----- PCCCCHCM 0018 0000000F PCCCNFIG 001B 00000001 PCCCPICM 0018 00000003 PCCCPIPM 001A 00000000 PCCCVFCM 0018 0000001B PCCDCHCM 0018 0000000E PCCDCPCM 0018 00000010 PCCDVFCM 0018 0000001A PCCIOCP 001B 00000002 PCCRCSCM 0018 0000001C PCCRDDCM 0018 00000041 PCCREDCM 0018 00000077 PCCRSSCM 0018 00000009 PCCSCPCM 0018 00000002 PCCSCPPM 001A 00000000 PCCVCPCM 0018 00000011 PCCWEDCM 0018 00000076 PCCWEMCM 0018 00000078 PCCWRDCM 0018 00000040 PCCWTOFC 001B 00000005 PCCXEICM 0018 00000024 PCCXUECM 0018 00000023 PCCXUMCM 0018 00000025 PCDCHPIN 0018 00000003 PCDCMDVR 001A 00000000 PCDCONFG 001B 00000001 PCDCPMAX 001A 00000003 PCDICPRD 0018 00000041 PCDICPWT 0018 00000040 PCDIOCP 001B 00000002 PCDSCPIN 0018 00000002 PCDVYCHN 0018 0000000F PCDVYCPF 0018 00000010 PCDVYCPN 0018 00000011 PCRBPTR 0004 PCRCCODE 0018 PCRCMDCC 000B 00000028 PCRCMDCV 000B 00000020 PCRCMDDC 000B 0000002C PCRCMDDV 000B 00000024 PCRCMDIR 000B 00000004 PCRCMDIW 000B 00000008 PCRCMDIX 000B PCRCMDNO 000B 00000000 PCRCMDPF 000B 00000010 PCRCMDPN 000B 0000000C PCRCMDRC 000B 0000003C PCRCMDRE 000B 00000038 PCRCMDSC 000B 00000014 PCRCMDSS 000B 00000044 PCRCMDWD 0018 PCRCMDWE 000B 00000034 PCRCMDWM 000B 00000030 PCRCMDXI 000B 0000001C PCRCMDXS 000B 00000018 PCRCMDXX 000B 00000040 PCRCPREQ 0008 40 PCRDCODE 001A PCRDSIVL 0009 PCRFLAG 0008 PCRFPTR 0000 PCRIDBYT 001B PCRIOCPW 0009 00000010 PCRNODS 0009 00000000 PCRNORET 0008 20 PCRRDBKA 0010 PCRREG13 000C PCRRPCIF 000A PCRSIZE 0024 00000005 PCRVDBKA 0014 PCRVMBAS 0020 PCRVMDBK 001C PCRVMREQ 0008 80
Copyright IBM Corporation, 1990, 2001