CCHREC

Prolog  

Control Block Contents  
   CCHREC DSECT

Storage Layout  

Cross Reference (Contains links to field and bit definitions)  

CCHREC Prolog

 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.
 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

CCHREC DSECT

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

          
*** 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

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