|
Programming Interface Information:
This information is NOT
intended to be
used as Programming Interfaces of VM/ESA. It is to be used for diagnosis only. |
PCRBK
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 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 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 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 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 001B 27 Bitstring 1 PCRIDBYT IDENTIFICATION BYTE 00000002 PCDIOCP X'02' IOCP COMMAND 00000001 PCDCONFG X'01' CONFIGURATION COMMAND 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
(contains links to field and bit definitions)Symbol Dspl Value -------------- ---- -----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
PCRCMDWD 0018
PCRCMDWE 000B 00000034
PCRCMDWM 000B 00000030
PCRCMDXI 000B 0000001C
PCRCMDXS 000B 00000018
PCRCPREQ 0008 40
PCRDCODE 001A
PCRDSIVL 0009
PCRFLAG 0008
PCRFPTR 0000
PCRIDBYT 001B
PCRIOCPW 0009 00000010
PCRNODS 0009 00000000
PCRRDBKA 0010
PCRREG13 000C
PCRRPCIF 000A
PCRSIZE 0024 00000005
PCRVDBKA 0014
PCRVMBAS 0020
PCRVMDBK 001C
PCRVMREQ 0008 80
Last updated on 3 Aug 1999 at 12:21:14 EDT.
Copyright IBM Corporation, 1990, 1999