Programming Interface Information:
This information is NOT intended to be used as Programming Interfaces of z/VM. |
CCHREC
Control Block Contents
CCHREC DSECT
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' INVALID CBC ON STORAGE KEY ..1. .... CSWMBPCK X'20' ADDRESSING EXCEPTION ON MBI ...1 .... CSWMBDCK X'10' INVALID CBC ON MEASURE BLOCK .... 1... CSWMBACK X'08' ACCESS EXCEPTION OF MEASURE BLK .... .1.. CSWCCWCK X'04' INVALID CBC ON CCW FIELDS .... ..1. CSWIDACK X'02' INVALID CBC ON IDAL FIELDS .... ...1 CSWSALCK X'01' INVALID ADDRESS LIMIT SET 0029 41 Bitstring 1 CCHSOURC Source of error 002A 42 Bitstring 1 CCHFVF Field validity bits 1... .... CSWFVFAR X'80' Ancillary report bit in the ESW .1.. .... CSWFVFLP X'40' LAST-PATH-USED IS VALID ..1. .... CSWFVFTC X'20' TERMINATION CODE IS VALID ...1 .... CSWFVFSC X'10' SEQUENCE CODE IS VALID .... 1... CSWFVFDS X'08' DEVICE STATUS IS VALID .... .1.. CSWFVFCA X'04' CCW ADDRESS IS VALID .... ..11 CSWSACOD X'03' STORAGE ACCESS CODE: .... .... CSWSAUNK X'00' 00 - UNKNOWN TYPE .... ...1 CSWSARD X'01' 01 - READ .... ..1. CSWSAWRT X'02' 02 - WRITE .... ..11 CSWSARDB X'03' 03 - READ BACKWARDS .... ..1. CSWFVFCN X'02' S/370-ONLY: CHANNEL # VALID .... ...1 CSWFVFDN X'01' S/370-ONLY: DEVICE # VALID ...1 11.. CSWFVFCM CSWFVFSC+CSWFVFDS+CSWFVFCA common fields 002B 43 Bitstring 1 CCHTMSEQ Termination, Alert and Sequence codes 11.. .... CSWTMCOD X'C0' TERMINATION CODE : .... .... CSWTMCID X'00' 00 - INTERFACE DISCONNECT .1.. .... CSWTMCST X'40' 01 - STOP, STACK, NORMAL TERM 1... .... CSWTMCSR X'80' 10 - SELECTIVE RESET 11.. .... CSWTMXXX X'C0' 11 - RESERVED ..1. .... CSWLCLAR X'20' Ancillary report bit in the limited channel logout area ...1 .... CSWSECER X'10' SECONDARY ERROR .... 1... CSWEALRT X'08' LOGOUT IS FROM I/O ERROR ALERT .... .111 CSWSQCOD X'07' SEQUENCE CODE : .... .... CSWSQXXX X'00' 000 - RESERVED .... ...1 CSWSQCOA X'01' 001 - COMMAND-OUT & ADDRESS-IN .... ..1. CSWSQCAC X'02' 010 - COMMAND ACCEPTED .... ..11 CSWSQDTR X'03' 011 - DATA TRANSFERRED .... .1.. CSWSQCNA X'04' 100 - COMMAND NOT ACCEPTED .... .1.1 CSWSQCAQ X'05' 101 - COMMAND ACCEPTED BUT DATA TRANSFER UNKNOWN .... .11. CSWSQYYY X'06' 110 - RESERVED .... .111 CSWSQZZZ X'07' 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
Copyright IBM Corporation, 1990, 2001