IOERELOK Hexadecimal Field
Displacement Name C
D
E
F 10 18 20 20 26
2C
2D IOERIND4 DS 1X de!!ned in IOERIND4 IOERIGNR EQU --X'80.---- IOERSTRT EQU X'40' IOERCNCL EQU X'20' IOERFLG1 DS 1X Bits defined in IOERFLG1 IOERPENDEQU --X'80-'-- IOERCLN EQU IOERERP EQU IOERFSR EQU IOERDEPD EQU IOERBSR EQU IOERDERD EQU IOERERG EQU IOERXERP EQU IOERORA EQU IOERSUPP EQU IOERVLD EQU IOERFLG2 DS IOERSTAT EQU IO"E1UU- "EQU IOERCAL EQU IOERECF EQU IOERRBK EQU IOERREW EQU IOERCYLR EQU IOERMSW EQU IOERCEMD EQU IOERVOL1 EQU IOERWRK DS IOERADR DS IOERCSW DS IOERCCW DS ORG IOERVSER DS IOERLEN DS IOERFLG3 DS X'40' X'40' X'20' X'20' X'10' X'10' X'08' X'08' X'04' X'02' X'01' 1X in IOERFLG2 --x'ao.--- X-'40' X'20' X'10' X'10' X'08' X'04' X'04' X'02' X'01' 1X 1D
1D
1D IOERCCW CL6
1H 1X in IOERFLG3
IOERREAD EQU --X'80'-- IOERALTR EQU X'40' IOERRDRO EQU X'20' IOERSV1 DS XL3 Field Description, Contents, Meaning Indicators for message writer
Operator responded "ignore" Operator responded "retry"
Operator responded "cancel" 1*1 Flag byte for error recovery routines
pending device end from interrupt
request
Tape cleaning in progress
Spooling -error routine in centrol
Forward space record being executed
Spooling -waiting for device end
Eackspace record being executed
Spooling -device end received
Erase gap command in progress
Spooling -error routine getting OBR data Opposite recovery action in CCW has suppress data transfer bit on
Read opposite recovery successful 1*2 Second flag byte for error recovery program
use
Statistical data being unleaded last h-ow"e -address being rea d
Standalone recalibrate being executed
Error correction function
Read backward cemmand Tape rewind being executed
Cylinder (in sense byte) has been relocated Message writer is active
Intensive recording mode DASt volid teing read 1*3 Miscellaneous work byte Home address for DISD devices CSW associated with error Sense CCW used to sense the real device
Ereakdown of sense CCW field Volume serial number for statistical data Nuaber of sense bytes present 1*4 Third flag byte for SDR use SDR READ operation flag
Alternate track retry is in progress
Read home address, read only is in progress
Reserved for IBM use 30 30 IOERSNSZ EQU IOERDATA DS 321 (IERSNSZ/8) D Number of sense bytes Sense bytes associated with error 30 34 ORG IOERECSW DS IOERCHAN DS IOEREND DS IOERDATA 1F 1X OF Breakdown fer channel check handler ECSW information from channel lcgout
Channel type flag
Label for end of IOERBLOK 28 IEM VM/370 Data Areas and Control Block Logic

Hexadecimal Field
Displacement Name 50 IOBR3211 • Channel Check Reflection Extension 50 58 60 68
78 80 88 90 1*5 I 98 Hexadecimal Field
Displacement Name 50 50 54
58
5C
5E 60 68
78 80 88
8C 90 IOERCEXT DS 10ERCCRL DS IOERCCRA DS IOERCOID DS IOERCI!DL DS IOERftCEL DS IOEROID DS IOERFADD DS IOERCCCW DS IOERCCSW DS IOERZCSi DS IOERDTYP DS IOERCH1D DS IOERCCRL 10ERC01D IOERZCSW 10ERCCOA OD F
F
F
H
H
D
8H
D
D
F
F
CL1
10ERBLCK
Field Description, Contents, eeaning Area where additional sense bytes may be appended to IOERBLOK. The format for one of these is described in "ICER3211: Extended Outbcard Recording Elock" later in this section. IOERCCRA 10ERCftDL IOERftCEL IOERUID 10ERFAtD 10ERCCCW IOERCCSW IOERDTYP IOERI!COA IOERLOGL IOERCLOG Field Description, Contents, I!eaning Extension used only for channel check
reflection
Length of channel check record
Address of channel check recerd
Processor identification
Processor model number (for examFle, 0158, 0168, etc.) ftaximum length of machine check
extended logout area (model-dependent) Oser identification
Active units
Failing CCW Failing CSi Failing ECSli CP device type 1*5 Channel identification defined in IOERCHID IOER2860 EOU---X'05' IOER2870 EOO X'06' Stanaalone selector (2860) Stanaalone multiplexer (2870) Stanaalone tlock multiplexer (2880) Selector channel (2880) 91
94
96 IOERB80 EOO X'07' IOERS80 EOO 1'08' IOERCCOA DS IOERftCOA DS IOERLOGL DS CL3
CL2
CL2
Actual failing device aadress
Address fro. processor locaticn I'BA'
Length of channel logout Section 1. CP Data Areas and Centrel Blocks 29