CCHREC Back to Index page
 
Prolog 
Control Block Contents 
   CCHREC 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.


  CCHREC Prolog Top of page
 
 NAME       : CCHREC
 DESCRIPTION: VM/XA MAPPING OF THE S/370 CHANNEL
              CHECK RECORD
 DSECT      : CCHREC
 FUNCTION   : MAPS OUT THE S/370 CHANNEL CHECK RECORD
              FOR CP ERROR RECORDING MODULES.
 LOCATED BY : N/A.
 CREATED BY : S/370 or MVS GUEST.
 DELETED BY : HCPIOE AFTER HCPREC HAS COPIED IT INTO
              A GSDBK.
 RELOCATION CONSIDERATIONS : None
 COMMENTS   : VM/XA NEED ONLY TO BE ABLE TO REFERENCE THE
              AR BIT IN THIS RECORD FOR RECORDING PURPOSES.
              THUS, THE MAPPING WILL INCLUDE ONLY THOSE
              FIELDS NECESSARY.
 
 
  CCHREC Control Block Content Top of page
 

 CCHREC DSECT Top of page
Hex Dec Type/Val Lng Label (dup) Comments ---- ---- --------- ---- -------------- -------- 0000 0 Structure CCHREC VM/XA MAPPING OF THE S/370 CHANNEL 0000 0 Bitstring 1 * (40) Not needed 0028 40 Bitstring 1 CCHECF Channel program error check flags .1.. .... CSWKEYCK X'40' CSWKEYCK INVALID CBC ON STORAGE KEY ..1. .... CSWMBPCK X'20' CSWMBPCK ADDRESSING EXCEPTION ON MBI ...1 .... CSWMBDCK X'10' CSWMBDCK INVALID CBC ON MEASURE BLOCK .... 1... CSWMBACK X'08' CSWMBACK ACCESS EXCEPTION OF MEASURE BLK .... .1.. CSWCCWCK X'04' CSWCCWCK INVALID CBC ON CCW FIELDS .... ..1. CSWIDACK X'02' CSWIDACK INVALID CBC ON IDAL FIELDS .... ...1 CSWSALCK X'01' CSWSALCK INVALID ADDRESS LIMIT SET 0029 41 Bitstring 1 CCHSOURC Source of error 002A 42 Bitstring 1 CCHFVF Field validity bits 1... .... CSWFVFAR X'80' CSWFVFAR Ancillary report bit in the ESW .1.. .... CSWFVFLP X'40' CSWFVFLP LAST-PATH-USED IS VALID ..1. .... CSWFVFTC X'20' CSWFVFTC TERMINATION CODE IS VALID ...1 .... CSWFVFSC X'10' CSWFVFSC SEQUENCE CODE IS VALID .... 1... CSWFVFDS X'08' CSWFVFDS DEVICE STATUS IS VALID .... .1.. CSWFVFCA X'04' CSWFVFCA CCW ADDRESS IS VALID .... ..11 CSWSACOD X'03' CSWSACOD STORAGE ACCESS CODE: .... .... CSWSAUNK X'00' CSWSAUNK 00 - UNKNOWN TYPE .... ...1 CSWSARD X'01' CSWSARD 01 - READ .... ..1. CSWSAWRT X'02' CSWSAWRT 02 - WRITE .... ..11 CSWSARDB X'03' CSWSARDB 03 - READ BACKWARDS .... ..1. CSWFVFCN X'02' CSWFVFCN S/370-ONLY: CHANNEL # VALID .... ...1 CSWFVFDN X'01' CSWFVFDN S/370-ONLY: DEVICE # VALID ...1 11.. CSWFVFCM CSWFVFSC+CSWFVFDS+CSWFVFCA CSWFVFCM common fields 002B 43 Bitstring 1 CCHTMSEQ Termination, Alert and Sequence codes 11.. .... CSWTMCOD X'C0' CSWTMCOD TERMINATION CODE : .... .... CSWTMCID X'00' CSWTMCID 00 - INTERFACE DISCONNECT .1.. .... CSWTMCST X'40' CSWTMCST 01 - STOP, STACK, NORMAL TERM 1... .... CSWTMCSR X'80' CSWTMCSR 10 - SELECTIVE RESET 11.. .... CSWTMXXX X'C0' CSWTMXXX 11 - RESERVED ..1. .... CSWLCLAR X'20' CSWLCLAR Ancillary report bit in the limited channel logout area ...1 .... CSWSECER X'10' CSWSECER SECONDARY ERROR .... 1... CSWEALRT X'08' CSWEALRT LOGOUT IS FROM I/O ERROR ALERT .... .111 CSWSQCOD X'07' CSWSQCOD SEQUENCE CODE : .... .... CSWSQXXX X'00' CSWSQXXX 000 - RESERVED .... ...1 CSWSQCOA X'01' CSWSQCOA 001 - COMMAND-OUT & ADDRESS-IN .... ..1. CSWSQCAC X'02' CSWSQCAC 010 - COMMAND ACCEPTED .... ..11 CSWSQDTR X'03' CSWSQDTR 011 - DATA TRANSFERRED .... .1.. CSWSQCNA X'04' CSWSQCNA 100 - COMMAND NOT ACCEPTED .... .1.1 CSWSQCAQ X'05' CSWSQCAQ 101 - COMMAND ACCEPTED BUT DATA TRANSFER UNKNOWN .... .11. CSWSQYYY X'06' CSWSQYYY 110 - RESERVED .... .111 CSWSQZZZ X'07' CSWSQZZZ 111 - RESERVED 0000002C CCHLEN *-CCHREC LENGTH OF CCHREC 00000006 CCHSIZE (*-CCHREC+7)/8 CCHREC SIZE IN DOUBLE WORDS
 
 
  CCHREC Storage Layout Top of page
 
          
*** CCHREC - VM/XA MAPPING OF THE S/370 CHANNEL
*
*     +-------------------------------------------------------+
*   0 |///////////////////////////////////////////////////////|
*     =///////////////////////////////////////////////////////=
*     |///////////////////////////////////////////////////////|
*     +------+------+------+------+---------------------------+
*  28 |CCHECF|:SOURC|CCHFVF|:TMSEQ| 2C
*     +------+------+------+------+
*
*** CCHREC - VM/XA MAPPING OF THE S/370 CHANNEL
 
 
  CCHREC Cross Reference Top of page
 
 
Symbol         Dspl Value
-------------- ---- -----
CCHECF         0028
CCHFVF         002A
CCHLEN         002B 0000002C
CCHSIZE        002B 00000006
CCHSOURC       0029
CCHTMSEQ       002B
CSWCCWCK       0028 04
CSWEALRT       002B 08
CSWFVFAR       002A 80
CSWFVFCA       002A 04
CSWFVFCM       002A 1C
CSWFVFCN       002A 02
CSWFVFDN       002A 01
CSWFVFDS       002A 08
CSWFVFLP       002A 40
CSWFVFSC       002A 10
CSWFVFTC       002A 20
CSWIDACK       0028 02
CSWKEYCK       0028 40
CSWLCLAR       002B 20
CSWMBACK       0028 08
CSWMBDCK       0028 10
CSWMBPCK       0028 20
CSWSACOD       002A 03
CSWSALCK       0028 01
CSWSARD        002A 01
CSWSARDB       002A 03
CSWSAUNK       002A 00
CSWSAWRT       002A 02
CSWSECER       002B 10
CSWSQCAC       002B 02
CSWSQCAQ       002B 05
CSWSQCNA       002B 04
CSWSQCOA       002B 01
CSWSQCOD       002B 07
CSWSQDTR       002B 03
CSWSQXXX       002B 00
CSWSQYYY       002B 06
CSWSQZZZ       002B 07
CSWTMCID       002B 00
CSWTMCOD       002B C0
CSWTMCSR       002B 80
CSWTMCST       002B 40
CSWTMXXX       002B C0
 
This information is based on z/VM 7.3.0 Last updated on 22 Jun 2022 at 15:46:39 EDT.
Copyright IBM Corporation, 1990, 2022