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Programming Interface Information:
This information is NOT intended to be used as Programming Interfaces of z/VM. |
DTFX
Control Block Contents
DTFX DSECT
Cross Reference (Contains links to field and bit definitions)
DTFX Prolog
Name : DTFX
Description: DTF Extension
DSECT : DTFX
Function : DTFX describes the fields in the DTF extension.
DTFX is used in the CMS/DOS environment. DTFX
is called by the DTFX macro.
DTFX Control Block Content
DTFX DSECT
Hex Dec Type/Val Lng Label (dup) Comments ---- ---- --------- ---- -------------- -------- 0000 0 Structure DTFX DTF Extension 0000 0 Character 8 DTFXIDEN EYE CATCHER 00000008 DTFXCCB * IORB IN DTF EXTENSION 00000008 DTFXCCBI * CCB IN IORB 0008 8 Character 2 DTFXCBRC RESIDUAL COUNT 000A 10 Character 2 DTFXCBTI TRANSMISSION INFO 1... .... DTFXTRAF X'80' TRAFFIC BIT 000C 12 Character 2 DTFXCBST STATUS BITS 000E 14 Character 2 DTFXCBTC TYPE CODE .... 1... DTFXECBI X'08' ECB POINTER IS PRESENT .... .1.. DTFXIORB X'04' IORB INDICATOR 0010 16 Character 1 DTFXCBLI LIOCS BITS 0011 17 Character 3 DTFXCCWA CCW POINTER 0014 20 Character 1 DTFXCBPI PIOCS BITS 0015 21 Character 3 DTFXCWCS CCW IN CSW 00000018 DTFXIOFL * FIX LIST POINTER 0018 24 Character 1 DTFXRBFL IORB FLAGS 0019 25 Character 3 DTFXRBPT FIX LIST POINTER 001C 28 Character 4 * RESERVED FOR IORB USE 0020 32 Character 4 * PTR TO CCB FOR WAIT POSTING 0024 36 Character 4 DTFXRSV1 RESERVED FOR IORB EXPANSION 00000028 DTFXFLS1 * FIX LIST 1 00000028 DTFXFLB1 * IORB FIX LIST 0028 40 Character 1 DTFXFBLF LOWER FLAG 0029 41 Character 3 DTFXFBLP LOWER IORB PTR 002C 44 Character 1 DTFXFBUF UPPER FLAG 002D 45 Character 3 DTFXFBUP UPPER IORB PTR 00000030 DTFXFLC1 * CCW FIX LIST 0030 48 Character 1 DTFXC1LF LOWER FLAG 0031 49 Character 3 DTFXC1LP LOWER CCW PTR 0034 52 Character 1 DTFXC1UF UPPER FLAG 0035 53 Character 3 DTFXC1UP UPPER CCW PTR 00000038 DTFXFLD1 * DATA AREA FIX LIST 1 0038 56 Character 1 DTFXD1LF LOWER FLAG 0039 57 Character 3 DTFXD1LP LOWER DATA PTR 003C 60 Character 1 DTFXD1UF UPPER FLAG 003D 61 Character 3 DTFXD1UP UPPER DATA PTR 00000040 DTFXFLE1 * ECB FIX LIST 1 0040 64 Character 1 DTFXE1LF LOWER FLAG 0041 65 Character 3 DTFXE1LP LOWER ECB PTR 0044 68 Character 1 DTFXE1UF UPPER FLAG 0045 69 Character 3 DTFXE1UP UPPER ECB PTR 00000048 DTFXFLG1 * FLAG BYTES 0048 72 Character 1 DTFXFLF1 END OF FIX LIST 0049 73 Character 1 DTFXFL10 SSR CONTROL FLAGS 1... .... DTFXSSHD X'80' HOLD=YES SPECIFIED IN DTF .1.. .... DTFXSSLC X'40' SSR TO OPERATE IN LOCATE MODE ..1. .... DTFXSSFT X'20' SSR FIRST ENTRY TAKEN SWITCH ...1 .... DTFXSSFW X'10' FORCED WRITES REQUIRED .... 1... DTFXRPS X'08' RPS DEVICE .... .1.. DTFXNHRB X'04' DON'T UPDATE HIGH RBA .... ..1. DTFX1411 X'02' DEVICE IS A 2311 OR 2314 NOTES : 2311 and 2314 DASD are not supported. .... ...1 DTFXNOMT X'01' MULTI-TRACK READ COUNT AHEAD NOT TO BE DONE 004A 74 Character 1 DTFXFL20 CCW INITIALIZATION STATE 1... .... DTFXCCRD X'80' CCWS INITIALIZED FOR READ .1.. .... DTFXCCWT X'40' CCWS INITIALIZED FOR FORMATTED WRITE ..1. .... DTFXCCWU X'20' CCWS INITIALIZED FOR UNFORMATTED WRITE ...1 .... DTFXCCRC X'10' CCWS INITIALIZED FOR READ COUNT 004B 75 Character 1 DTFXFL30 MORE FLAGS 1... .... DTFXSSSK X'80' ERROPT=SKIP FOR DTFSD .1.. .... DTFXSSIG X'40' ERROPT=IGNORE FOR DTFSD ..1. .... DTFXERNM X'20' ERROPT=NAME FOR DTFSD ...1 .... DTFXWORK X'10' WORKA=YES FOR DTFSD .... 1... DTFXTRNC X'08' TRUNCS=YES SPECIFIED .... .1.. DTFXUPDT X'04' UPDATE=YES SPECIFIED .... ..1. DTFXNIOA X'02' NO IOAREAS SPECIFIED .... ...1 DTFXVYES X'01' VERIFY=YES SPECIFIED FOR DTFSD - ALWAYS ON FOR CP 0000004C DTFXDSAP * PTR TO DSA 004C 76 Character 4 DTFXDUMY DUMMY TO GET DSAP GENNED 0050 80 Character 4 DTFXFBAO FBA OPEN POINTER 0054 84 Character 4 DTFXDTF PTR TO OLD DTF 0058 88 Character 4 DTFXNDTF PTR TO NEXT IN DTF LIST 005C 92 Character 4 DTFXORSP PTR TO OPEN SAVE AREA 0060 96 Character 4 DTFXXLEN LEN OF THIS EXTENSION 00000064 DTFXOCCW * PTR TO OLD CCW 0064 100 Character 1 DTFXSFSW SYSFIL SWITCH 1... .... DTFXIOPT X'80' IOPTR SPEC'D IN DTFCP .1.. .... DTFXFRVS X'40' FREEVIS DTFEXTEN ..1. .... DTFXMECP X'20' MULTIPLE EXTENT CP IS ALLOWED 0065 101 Character 3 DTFXOCWP OLD CCW PTR 0068 104 Character 4 DTFXCISZ CI SIZE IN BYTES 0000006C DTFXLMSP * PTR TO OLD LOGIC MOD 006C 108 Character 1 DTFXLMSW FLAGS 1... .... DTFXCPCP X'80' THIS IS FOR DTFCP .1.. .... DTFXSDSD X'40' THIS IS FOR DTFSD ..1. .... DTFXDIDI X'20' THIS IS FOR DTFDI ...1 .... DTFXSDWF X'10' DTFSD TYPE=WORKFILE .... 1... DTFXVER3 X'08' DTF IS VERSION 3 .... .1.. DTFXSPRO X'04' SPANNED RECORD FILE REOPEN REQUEST .... ..1. DTFXCEOX X'02' COBOL EOX TAKEN .... ...1 DTFXRSVD X'01' NOT USED 006D 109 Character 3 DTFXLMPT PTR TO OLD LOGIC MOD 0070 112 Character 64 DTFXLMSA LOGIC MOD SAVEAREA 00B0 176 Character 4 DTFXFBAB FBA BLOCKSIZE OR PHYSICAL RECORD SIZE FOR CKD 00B4 180 Character 1 DTFXODVT DEVICE TYPE 00B5 181 Character 3 * FILL FOR DWORD ALIGN 00B8 184 Character 4 DTFXCCWP POINTER TO CCW WORK AREA 00BC 188 Character 4 DTFXMSWA POINTER TO MAP STRING WORK AREA 00C0 192 Character 4 DTFXSMWP PTR TO SPACE MANAMGEMENT WORK AREA 00C4 196 Character 4 DTFXERXT ERROPT=ADDRESS ADDR 00C8 200 Character 4 DTFXULLX USER LABEL LOWER EXTENT 00CC 204 Character 4 DTFXULUX USER LABEL UPPER EXTENT 00D0 208 Character 4 DTFXIOA1 ADDR OF USERS I/O AREA 1 00D4 212 Character 4 DTFXSIO1 ADDR OF I/O AREA 1 SPECIFIED BY USER ON DTF 00D8 216 Character 4 DTFXSIO2 ADDR OF I/O AREA 2 SPECIFIED BY USER ON DTF 00DC 220 Character 4 DTFXBLSZ BLKSIZE SPECIFED BY USER ON THE DTF 00E0 224 Character 4 * RESERVED 00E4 228 Character 4 * RESERVED CI HEADER 000000E8 DTFXCI1 * CI HEADER 00E8 232 Character 4 DTFXCI1P CI BUFFER ADDRESS 00EC 236 Signed 4 * (0) 000000EC DTFXPBNR * CURRENT POSITION 000000EC DTFXCI1B * PBN OR CCHH OF CI 00EC 236 Character 2 DTFXCI1C CC 00EE 238 Character 2 DTFXCI1H HH 00F0 240 Character 1 DTFXCI1R ZERO FOR FBA, PHYSICAL RECORD NUMBER FOR CKD 00F1 241 Character 1 * RESERVED 00F2 242 Character 1 DTFXCI12 IO PASSBACK FIELD 1... .... DTFXEOXH X'80' END OF EXTENT .1.. .... DTFXIOEH X'40' IO ERROR OCCURRED ..1. .... DTFXIOWP X'20' WRITE IN PROGRESS ...1 .... DTFXIORP X'10' READ IN PROGRESS .... 1... DTFXCITL X'08' LOGICAL BLOCK TOO LONG .... .1.. DTFXPONV X'04' POSITION NOT VALID .... ..1. DTFXEOFH X'02' EOF ENCOUNTERED 00F3 243 Character 1 DTFXCI13 CI STATUS 1... .... DTFXFREE X'80' CI OR TRACK IS TO BE FREED .1.. .... DTFXFWRQ X'40' FORMATTED WRITE REQUIRED ..1. .... DTFXUWRQ X'20' UNFORMATTED WRITE REQUIRED ...1 .... DTFXRETR X'10' RETRY BEING DONE .... 1... DTFXFORW X'08' FORCED WRITE BEING DONE .... .1.. DTFXVALC X'04' CI CONTENTS ARE VALID .... ..1. DTFXLSIO X'02' LAST I/O FOR THE CI 000000F4 DTFXCI1N * NEXT POSITION FOR CI FORMAT CKD OR CCHH OF FIRST TRACK OF FIRST EXTENT FOR NON-CI FORMAT CKD 000000F4 DTFXCIN * PBN OR CCHH OF NEXT CI 00F4 244 Character 2 DTFXCINC CC 00F6 246 Character 2 DTFXCINH HH 00F8 248 Character 1 DTFXCINR R 00F9 249 Character 1 DTFXCI14 FUNCTION FLAGS 1... .... DTFXSARC X'80' STAND ALONE READ COUNT REQUESTED .1.. .... DTFXMTRQ X'40' MULTI-TRACK READ COUNT TO BE DONE ..1. .... DTFXTRHD X'20' TRACK IS TO BE HELD ON THIS REQUEST 00FA 250 Character 2 DTFXCI11 CURRENT LOGICAL BLOCK NO. 00FC 252 Character 4 * RESERVED SSR INTERFACE 0100 256 Character 2 DTFXRLEN REQUESTED DATA LENGTH 0102 258 Character 2 DTFXLBLN LOGICAL BLOCK LENGTH 0104 260 Character 4 DTFXIOAD LOGICAL BLOCK ADDR PTR 0108 264 Character 4 DTFXSSPR PTR TO SAM SERVICE RTN 0000010C DTFXRCIR * FULL NOTE/REPOSITION ID 0000010C DTFXRLCI * RELATIVE CI REPOSITION AND NOTE 010C 268 Character 1 DTFXRLC1 HIGH ORDER BYTE 010D 269 Character 3 DTFXRCIN RELATIVE CI NUMBER FOR NOTE ID 00000110 DTFXSSLB * LOGICAL BLOCK NUMBER FOR REPOSIT- ION AND NOTE FOR CI FORMAT, REMAIN- ING SPACE FOR NON- CI FORMAT OTHER THAN WORKFILES, R FOR WORKFILES 0110 272 Character 1 DTFXSSL1 FIRST BYTE OF LOGICAL BLOCK NUMBER 0111 273 Character 1 DTFXSSL2 SECOND BYTE OF LOGICAL BLOCK NUMBER 0112 274 Character 1 DTFXSPB1 SSR PASSBACK 1... .... DTFXEOX X'80' END OF EXTENT .1.. .... DTFXNLBF X'40' NO LOGICAL BLOCK FOUND ..1. .... DTFXREOC X'20' READ ERROR OCCURRED ...1 .... DTFXWEOC X'10' WRITE ERROR OCCURRED .... 1... DTFXLBTL X'08' LOGICAL BLOCK TOO LONG .... .1.. DTFXSEOF X'04' SOFTWARE EOF ENCOUNTERED .... ..1. DTFXRQCP X'02' REQUEST COMPLETE .... ...1 DTFXBOE X'01' BEGIN OF EXTENT 0113 275 Character 1 DTFXSPB2 SSR PASSBACK 1... .... DTFXBOF X'80' BEGIN OF FILE .1.. .... DTFXBSL X'40' BACKSPACE TO BE REISSUED ..1. .... DTFXBSLR X'20' BACKSPACE IN PROGRESS 0114 276 Character 1 DTFXSPR1 PREVIOUS ACTION REQUEST 0115 277 Character 1 DTFXSPR2 PREVIOUS REQUEST 0116 278 Character 1 DTFXSSIC SSR STATUS 1... .... DTFXRPIP X'80' REPOSITION IN PROGRESS .1.. .... DTFXERIP X'40' ERROR EXIT IN PROGRESS ..1. .... DTFXSKEX X'20' SKIP RETURN FROM ERROR EXIT ...1 .... DTFXSCDF X'10' INITIALIZE CIDF .... 1... DTFXRIOE X'08' RESUME AFTER IO ERROR .... .1.. DTFXDWCI X'04' DONT WRITE CI .... ..1. DTFXLMEP X'02' EXPLICIT FREE REQUEST 0117 279 Character 1 DTFXSSR1 RESERVED 0118 280 Character 2 DTFXNLBO NEXT LOGICAL BLOCK OFFSET 011A 282 Character 2 DTFXNRDF NEXT RDF OFFSET 011C 284 Character 2 DTFXLBRD LOGICAL BLOCK WITHIN RDF 011E 286 Character 2 DTFXRCIC REMAINING CI/TRACK CAPACITY 00000120 DTFXEXF * EXPLICIT FREE ADDRESS 0120 288 Character 4 DTFXEXFR EXPLICIT FREE CI BLOCK NO. OR CCHH 0124 292 Character 1 DTFXEXR R 0125 293 Character 1 DTFXSSOP SSR OP CODE 0126 294 Character 2 * RESERVED SSR WORKFIELD 0128 296 Character 4 * RESERVED SSR WORKFIELD EXTENT INFORMATION 0000012C DTFXFXLL * FILE LOWER EXTENT 012C 300 Character 2 DTFXFXLC CC 012E 302 Character 2 DTFXFXLH HH 0130 304 Signed 4 * (0) 00000130 DTFXFXUU * FILE UPPER EXTENT 00000130 DTFXFXUL * PBN OF FIRST BLOCK OF LAST CI IN THE EXTENT OR CCHH OF FIRST PHYSICAL RECORD OF LAST CI IN THE EXTENT 0130 304 Character 2 DTFXFXUC CC 0132 306 Character 2 DTFXFXUH HH 0134 308 Character 1 DTFXFXUR RECORD NUMBER DS CL3 ALIGNMENT FILLER-RESERVED 0135 309 Character 4 DTFXRELL RELATIVE CI NUMBER OF FIRST CI IN THIS EXTENT 0139 313 Character 4 DTFXHRBA HIGH USED RBA DATA CONSTANTS 013D 317 Character 2 DTFXCISB NO. BLOCKS PER CI FOR FBA, PHYSICAL RECORDS PER CI FOR CI FORMAT CKD 0000013F DTFXBCM1 * NO. BLKS PER CI MINUS 1 013F 319 Character 2 DTFXPRPT PHYSICAL RECORDS PER TRACK FOR CI FORMAT CKD-- SPACE REQUIRED FOR EOF FOR NON-CI FORMAT CKD 00000141 DTFX2BCI * TWICE NO. BLKS PER CI 0141 321 Character 2 DTFXTPC TRACKS PER CYLINDER FOR CI FORMAT CKD 00000143 DTFX2BM1 * TWICE BLKS PER CI MINUS 1 0143 323 Character 2 DTFXTPC1 TRACKS PER CYLINDER MINUS ONE FOR CI FORMAT CKD--COUNT/GAP COMPUTATION CONST- ANT FOR NON-CI FORMAT 0145 325 Character 2 DTFXCIM4 CISIZE MINUS 4 BYTES FOR CI FORMAT -TRACK CAPACITY FOR NON-CI FORMAT 0147 327 Character 2 DTFXCIMX CISIZE MINUS 10 BYTES FOR CI FORMAT -COUNT/GAP OVERHEAD CONSTANT FOR NON- CI FORMAT CKD 0149 329 Character 4 DTFXSSRW ADDRESS OF SSR AND LOGIC MODULE WORKAREA 014D 333 Character 2 DTFXLHH LOWER CYLINDER HEAD LIMIT FOR NON-CI CKD, 0 IF NOT SPLIT CYLINDER 014F 335 Character 2 DTFXUHH UPPER CYLINDER HEAD LIMIT FOR NON-CI FORMAT CKD 0000010C DTFXNPCK * EXTENDED NOTE/POINT ARGUMENT DEFINITION 010C 268 Character 2 DTFXNPCC CC 010E 270 Character 2 DTFXNPH H 0110 272 Character 1 DTFXNPR R 0000010D DTFXNW * EXTENDED NOTE/POINT ARGUMENT DEFINITION 010D 269 Character 2 DTFXNWCC CC 010F 271 Character 1 DTFXNWH H 000000B8 DTFXCCWW * 000000B8 DTFXCCWS * FBA CCW STRING 000000B8 DTFXDFX1 * DEFINE EXTENT CCW 00B8 184 Character 1 DTFXDEOC OP CODE 00B9 185 Character 3 DTFXDEXP EXTENT POINTER 00BC 188 Character 1 DTFXDECF CHAINING FLAGS 00BD 189 Character 1 DTFXDERS RESERVED 00BE 190 Character 2 DTFXDEBC BYTE COUNT 000000C0 DTFXLOC1 * LOCATE CCW 00C0 192 Character 1 DTFXLOOC OP CODE 00C1 193 Character 3 DTFXLOLP LOCATE LIST POINTER 00C4 196 Character 1 DTFXLOCF CHAINING FLAGS 00C5 197 Character 1 DTFXLORS RESERVED 00C6 198 Character 2 DTFXLOBC BYTE COUNT 000000C8 DTFXRWCW * READ/WRITE CCW 00C8 200 Character 1 DTFXRWOC OP CODE 00C9 201 Character 3 DTFXRWDP DATA POINTER 00CC 204 Character 1 DTFXRWCF CHAINING FLAGS .1.. .... DTFXCWCN X'40' COMMAND CHAIN FLAG 00CD 205 Character 1 DTFXRWRS RESERVED 00CE 206 Character 2 DTFXRWLN LENGTH 000000D0 DTFXVNOP * NOP CCW 00D0 208 Character 1 DTFXVLOC OP CODE 00D1 209 Character 3 DTFXVLLP DATA PTR FOR NOP CCW 00D4 212 Character 1 DTFXVLCF CHAINING FLAGS 00D5 213 Character 1 DTFXVLRS RESERVED 00D6 214 Character 2 DTFXVLBC BYTE COUNT 00D8 216 Character 16 DTFXRSV4 RESERVED FOR CHANNEL PROGRAM EXPANSION 000000E8 DTFXXTNT * DEFINE EXTENT DATA 00E8 232 Character 1 DTFXXTMB MASK BYTE 00E9 233 Character 3 DTFXXRSV RESERVED 00EC 236 Character 4 DTFXXTFB FIRST BLOCK ON MEDIA 00F0 240 Character 4 DTFXXTFD FIRST BLOCK ON DS 00F4 244 Character 4 DTFXXTLD LAST BLOCK ON DS 000000F8 DTFXLOCD * LOCATE DATA 00F8 248 Character 1 DTFXLCOB OPERATION BYTE 00F9 249 Character 1 DTFXLCRC REPLICATION COUNT 00FA 250 Character 2 DTFXLCBC BLOCK COUNT 00FC 252 Character 4 DTFXLCDD DATA DISPLACEMENT 00000008 DMSCCB * 00000008 CCBST * START CCB THIS IS THE DESCRIPTION OF THE CCB BLOCK 00000008 CCBD * COMMAND CONTROL BLOCK 0008 8 Character 16 CCBLEN (0) MAP OF THE DOS CCB 0008 8 Bitstring 2 CCBCNT RESIDUAL COUNT 000A 10 Bitstring 4 CCBERMAP (0) 4 BYTES USED TO CHECK ERRORS 000A 10 Bitstring 1 CCBCOM1 COMMUNICATIONS BYTE NO. 1 1... .... CCBWAIT X'80' TRAFFIC BIT(SET AT CE) .1.. .... CCBEOF X'40' END-OF-FILE ..1. .... CCBIOERR X'20' UNRECOVERABLE I/O ERROR ...1 .... CCBERROK X'10' ACCEPT UNRECOVERABLE ERR .... 1... CCBRDC X'08' RETURN DATA CHECKS .... .1.. CCBPDE X'04' POST AT DEVICE END .... ..1. CCBDCV X'02' RETURN DATA CHECK RD/CHK .... ...1 CCBUERR X'01' USER ERROR ROUTINE 000B 11 Bitstring 1 CCBCOM2 COMMUNICATIONS BYTE NO. 2 1... .... CCBDCCNT X'80' DATA CHECK IN COUNT AREA .1.. .... CCBTRKOV X'40' TRACK OVERRUN ..1. .... CCBEOC X'20' END-OF-CYLINDER ...1 .... CCBDC X'10' DATA CHECK .... 1... CCBNOREC X'08' NO-RECORD-FOUND .... .1.. CCBRETRY X'04' RETRY NO RECORD FOUND .... ..1. CCBVER X'02' VERIFY ERROR .... ...1 CCBCC X'01' COMMAND CHAIN(RETRY) 000C 12 Bitstring 1 CCBCSW1 CSW STATUS BIT NO. 1 1... .... CCBATTN X'80' ATTENTION .1.. .... CCBSTMOD X'40' STATUS MODIFIER ..1. .... CCBCUE X'20' CONTROL UNIT END ...1 .... CCBBUSY X'10' BUSY .... 1... CCBCE X'08' CHANNEL END .... .1.. CCBDE X'04' DEVICE END .... ..1. CCBUC X'02' UNIT CHECK .... ...1 CCBUE X'01' UNIT EXCEPTION 000D 13 Bitstring 1 CCBCSW2 CSW STATUS BIT NO. 2 1... .... CCBPCI X'80' PROGRAM-CONTROLLED INTERRUPT .1.. .... CCBILEN X'40' INCORRECT LENGTH ..1. .... CCBPROGM X'20' PROGRAM CHECK ...1 .... CCBPROT X'10' PROTECTION CHECK .... 1... CCBCHAND X'08' CHANNEL DATA CHECK .... .1.. CCBCHANC X'04' CHANNEL CONTROL CHECK .... ..1. CCBICTRL X'02' INTERFACE CONTROL CHECK .... ...1 CCBCHAIN X'01' CHAINING CHECK 000E 14 Bitstring 2 CCBSYMU (0) SYMBOLIC UNIT(SYSUN) 000E 14 Bitstring 1 CCBSUCLS U - LUB CLASS 000F 15 Bitstring 1 CCBSUNUM N - LUB NUMBER WITHIN CLASS 0010 16 Bitstring 1 CCBLIOBS RESERVED FOR LIOBS 0011 17 Bitstring 3 CCBCCW PT TO START OF CHANNEL PROGRAM 0014 20 Bitstring 1 CCBCOM3 COMMUNICATION BYTE NO. 3 .1.. .... CCBAPEND X'40' APPENDAGE EXIT AT INTERRUPT .... ...1 CCBCCWF1 X'01' Format-1 CCWs present 0015 21 Bitstring 3 CCBCSW PT TO CSW OR PT APPENDAGE RTN 0018 24 Address 4 CCBLDATB ADDRESS OF LAST DATA BLOCK 001C 28 Address 4 CCBLCCWB ADDRESS OF LAST CCW BLOCK 0020 32 Signed 4 * AVAILABLE 0024 36 Bitstring 1 CCBUFLGS I/O MANAGER CCB FLAGS 1... .... CCBUEAIC X'80' ERROR ANALYSIS IN CONTROL .1.. .... CCBUEAC X'40' ERROR ANALYSIS COMPLETE ..1. .... CCBURDCW X'20' READ CCW ACTIVE ...1 .... CCBRPS X'10' RPS CHAN PGM CANDIDATE 0025 37 Bitstring 3 CCBFSCCW SAVE AREA FOR FIRST CCW ADDR 0028 40 Signed 4 CCBRDCCW ADDRESS OF FIRST READ CCW 002C 44 Signed 4 CCBWTCCW ADDRESS OF FIRST WRITE CCW 0030 48 Signed 4 CCBLWCCW ADDRESS OF THE LAST WRITE CCW 0034 52 Signed 4 * (3) AVAILABLE THIS CHAIN FIELD MUST HAVE SAME DISPLACEMENT AS FCBCHAIN IN FCDB AND BKPFSTBK IN BKPHD 0040 64 Address 4 CCBNCCB ADDRESS OF NEXT CCB BLOCK 0044 68 Signed 4 * AVAILABLE
DTFX Storage Layout
*** DTFX - DTF Extension
*
* +-------------------------------------------------------+
* 0 | DTFXIDEN |
* +-------------+-------------+-------------+-------------+
* 8 | DTFXCBRC | DTFXCBTI | DTFXCBST | DTFXCBTC |
* +------+------+-------------+------+------+-------------+
* 10 |:XCBLI| DTFXCCWA |:XCBPI| DTFXCWCS |
* +------+--------------------+------+--------------------+
* 18 |:XRBFL| DTFXRBPT |///////////////////////////|
* +------+--------------------+---------------------------+
* 20 |///////////////////////////| DTFXRSV1 |
* +------+--------------------+------+--------------------+
* 28 |:XFBLF| DTFXFBLP |:XFBUF| DTFXFBUP |
* +------+--------------------+------+--------------------+
* 30 |:XC1LF| DTFXC1LP |:XC1UF| DTFXC1UP |
* +------+--------------------+------+--------------------+
* 38 |:XD1LF| DTFXD1LP |:XD1UF| DTFXD1UP |
* +------+--------------------+------+--------------------+
* 40 |:XE1LF| DTFXE1LP |:XE1UF| DTFXE1UP |
* +------+------+------+------+------+--------------------+
* 48 |:XFLF1|:XFL10|:XFL20|:XFL30| DTFXDUMY |
* +------+------+------+------+---------------------------+
* 50 | DTFXFBAO | DTFXDTF |
* +---------------------------+---------------------------+
* 58 | DTFXNDTF | DTFXORSP |
* +---------------------------+------+--------------------+
* 60 | DTFXXLEN |:XSFSW| DTFXOCWP |
* +---------------------------+------+--------------------+
* 68 | DTFXCISZ |:XLMSW| DTFXLMPT |
* +---------------------------+------+--------------------+
* 70 | |
* = DTFXLMSA =
* | |
* +---------------------------+------+--------------------+
* B0 | DTFXFBAB |:XODVT|////////////////////|
* +---------------------------+------+--------------------+
* B8 | DTFXCCWP | DTFXMSWA |
* +---------------------------+---------------------------+
* C0 | DTFXSMWP | DTFXERXT |
* +---------------------------+---------------------------+
* C8 | DTFXULLX | DTFXULUX |
* +---------------------------+---------------------------+
* D0 | DTFXIOA1 | DTFXSIO1 |
* +---------------------------+---------------------------+
* D8 | DTFXSIO2 | DTFXBLSZ |
* +---------------------------+---------------------------+
* E0 |///////////////////////////|///////////////////////////|
* +---------------------------+-------------+-------------+
* E8 | DTFXCI1P | DTFXCI1C | DTFXCI1H |
* +------+------+------+------+-------------+-------------+
* F0 |:XCI1R|//////|:XCI12|:XCI13| DTFXCINC | DTFXCINH |
* +------+------+------+------+-------------+-------------+
* F8 |:XCINR|:XCI14| DTFXCI11 |///////////////////////////|
* +------+------+-------------+---------------------------+
* 100 | DTFXRLEN | DTFXLBLN | DTFXIOAD |
* +-------------+-------------+------+--------------------+
* 108 | DTFXSSPR |:XRLC1| DTFXRCIN |
* +------+------+------+------+------+------+------+------+
* 110 |:XSSL1|:XSSL2|:XSPB1|:XSPB2|:XSPR1|:XSPR2|:XSSIC|:XSSR1|
* +------+------+------+------+------+------+------+------+
* 118 | DTFXNLBO | DTFXNRDF | DTFXLBRD | DTFXRCIC |
* +-------------+-------------+------+------+-------------+
* 120 | DTFXEXFR |:XEXR |:XSSOP|/////////////|
* +---------------------------+------+------+-------------+
* 128 |///////////////////////////| DTFXFXLC | DTFXFXLH |
* +-------------+-------------+------+------+-------------+
* 130 | DTFXFXUC | DTFXFXUH |:XFXUR| DTFXRELL- |
* +------+------+-------------+------+-------------+------+
* 138 |-(135)| DTFXHRBA | DTFXCISB |(13F)-|
* +------+-------------+-------------+-------------+------+
* 140 |-(13F)| DTFXTPC | DTFXTPC1 | DTFXCIM4 |(147)-|
* +------+-------------+-------------+-------------+------+
* 148 |-(147)| DTFXSSRW | DTFXLHH |:XUHH-|
* +------+---------------------------+-------------+------+
* 150 |-(14F)| 151
* +------+
*
*** DTFX - DTF Extension
*** Overlay for DTFXRLCI in DTFX
*
* +-------------+-------------+
* 108 ... 10C | DTFXNPCC | DTFXNPH |
* +------+--------------------+-------------+-------------+
* 110 |:XNPR | 111
* +------+
*
*** Overlay for DTFXRLCI in DTFX
*** Overlay for DTFXRCIN in DTFX
*
* +-------------+------+
* 108 ... 10D | DTFXNWCC |:XNWH |
* +-------------+------+
* 110
*
*** Overlay for DTFXRCIN in DTFX
*** Overlay for DTFXCCWP in DTFX
*
* +------+--------------------+------+------+-------------+
* B8 |:XDEOC| DTFXDEXP |:XDECF|:XDERS| DTFXDEBC |
* +------+--------------------+------+------+-------------+
* C0 |:XLOOC| DTFXLOLP |:XLOCF|:XLORS| DTFXLOBC |
* +------+--------------------+------+------+-------------+
* C8 |:XRWOC| DTFXRWDP |:XRWCF|:XRWRS| DTFXRWLN |
* +------+--------------------+------+------+-------------+
* D0 |:XVLOC| DTFXVLLP |:XVLCF|:XVLRS| DTFXVLBC |
* +------+--------------------+------+------+-------------+
* D8 | DTFXRSV4 |
* | |
* +------+--------------------+---------------------------+
* E8 |:XXTMB| DTFXXRSV | DTFXXTFB |
* +------+--------------------+---------------------------+
* F0 | DTFXXTFD | DTFXXTLD |
* +------+------+-------------+---------------------------+
* F8 |:XLCOB|:XLCRC| DTFXLCBC | DTFXLCDD |
* +------+------+-------------+---------------------------+
* 100
*
*** Overlay for DTFXCCWP in DTFX
*** Overlay for DTFXCCB in DTFX
*
* +-------------+------+------+------+------+------+------+
* 8 | CCBCNT |:COM1 |:COM2 |:CSW1 |:CSW2 |:SUCLS|:SUNUM|
* +------+------+------+------+------+------+------+------+
* 10 |:LIOBS| CCBCCW |:COM3 | CCBCSW |
* +------+--------------------+------+--------------------+
* 18 | CCBLDATB | CCBLCCWB |
* +---------------------------+------+--------------------+
* 20 |///////////////////////////|:UFLGS| CCBFSCCW |
* +---------------------------+------+--------------------+
* 28 | CCBRDCCW | CCBWTCCW |
* +---------------------------+---------------------------+
* 30 | CCBLWCCW |///////////////////////////|
* +---------------------------+///////////////////////////|
* |///////////////////////////////////////////////////////|
* +---------------------------+---------------------------+
* 40 | CCBNCCB |///////////////////////////|
* +---------------------------+---------------------------+
* 48
*
*** Overlay for DTFXCCB in DTFX
DTFX Cross Reference
Symbol Dspl Value -------------- ---- ----- CCBAPEND 0014 40 CCBATTN 000C 80 CCBBUSY 000C 10 CCBCC 000B 01 CCBCCW 0011 CCBCCWF1 0014 01 CCBCE 000C 08 CCBCHAIN 000D 01 CCBCHANC 000D 04 CCBCHAND 000D 08 CCBCNT 0008 CCBCOM1 000A CCBCOM2 000B CCBCOM3 0014 CCBCSW 0015 CCBCSW1 000C CCBCSW2 000D CCBCUE 000C 20 CCBD 00FC 00000008 CCBDC 000B 10 CCBDCCNT 000B 80 CCBDCV 000A 02 CCBDE 000C 04 CCBEOC 000B 20 CCBEOF 000A 40 CCBERMAP 000A CCBERROK 000A 10 CCBFSCCW 0025 CCBICTRL 000D 02 CCBILEN 000D 40 CCBIOERR 000A 20 CCBLCCWB 001C CCBLDATB 0018 CCBLEN 0008 CCBLIOBS 0010 CCBLWCCW 0030 CCBNCCB 0040 CCBNOREC 000B 08 CCBPCI 000D 80 CCBPDE 000A 04 CCBPROGM 000D 20 CCBPROT 000D 10 CCBRDC 000A 08 CCBRDCCW 0028 CCBRETRY 000B 04 CCBRPS 0024 10 CCBST 00FC 00000008 CCBSTMOD 000C 40 CCBSUCLS 000E CCBSUNUM 000F CCBSYMU 000E CCBTRKOV 000B 40 CCBUC 000C 02 CCBUE 000C 01 CCBUEAC 0024 40 CCBUEAIC 0024 80 CCBUERR 000A 01 CCBUFLGS 0024 CCBURDCW 0024 20 CCBVER 000B 02 CCBWAIT 000A 80 CCBWTCCW 002C DMSCCB 00FC 00000008 DTFXBCM1 013D 0000013F DTFXBLSZ 00DC DTFXBOE 0112 01 DTFXBOF 0113 80 DTFXBSL 0113 40 DTFXBSLR 0113 20 DTFXCBLI 0010 DTFXCBPI 0014 DTFXCBRC 0008 DTFXCBST 000C DTFXCBTC 000E DTFXCBTI 000A DTFXCCB 0000 00000008 DTFXCCBI 0000 00000008 DTFXCCRC 004A 10 DTFXCCRD 004A 80 DTFXCCWA 0011 DTFXCCWP 00B8 DTFXCCWS 010F 000000B8 DTFXCCWT 004A 40 DTFXCCWU 004A 20 DTFXCCWW 010F 000000B8 DTFXCEOX 006C 02 DTFXCIMX 0147 DTFXCIM4 0145 DTFXCIN 00F3 000000F4 DTFXCINC 00F4 DTFXCINH 00F6 DTFXCINR 00F8 DTFXCISB 013D DTFXCISZ 0068 DTFXCITL 00F2 08 DTFXCI1 00E4 000000E8 DTFXCI1B 00EC 000000EC DTFXCI1C 00EC DTFXCI1H 00EE DTFXCI1N 00F3 000000F4 DTFXCI1P 00E8 DTFXCI1R 00F0 DTFXCI11 00FA DTFXCI12 00F2 DTFXCI13 00F3 DTFXCI14 00F9 DTFXCPCP 006C 80 DTFXCWCN 00CC 40 DTFXCWCS 0015 DTFXC1LF 0030 DTFXC1LP 0031 DTFXC1UF 0034 DTFXC1UP 0035 DTFXDEBC 00BE DTFXDECF 00BC DTFXDEOC 00B8 DTFXDERS 00BD DTFXDEXP 00B9 DTFXDFX1 010F 000000B8 DTFXDIDI 006C 20 DTFXDSAP 004B 0000004C DTFXDTF 0054 DTFXDUMY 004C DTFXDWCI 0116 04 DTFXD1LF 0038 DTFXD1LP 0039 DTFXD1UF 003C DTFXD1UP 003D DTFXECBI 000E 08 DTFXEOFH 00F2 02 DTFXEOX 0112 80 DTFXEOXH 00F2 80 DTFXERIP 0116 40 DTFXERNM 004B 20 DTFXERXT 00C4 DTFXEXF 011E 00000120 DTFXEXFR 0120 DTFXEXR 0124 DTFXE1LF 0040 DTFXE1LP 0041 DTFXE1UF 0044 DTFXE1UP 0045 DTFXFBAB 00B0 DTFXFBAO 0050 DTFXFBLF 0028 DTFXFBLP 0029 DTFXFBUF 002C DTFXFBUP 002D DTFXFLB1 0024 00000028 DTFXFLC1 002D 00000030 DTFXFLD1 0035 00000038 DTFXFLE1 003D 00000040 DTFXFLF1 0048 DTFXFLG1 0045 00000048 DTFXFLS1 0024 00000028 DTFXFL10 0049 DTFXFL20 004A DTFXFL30 004B DTFXFORW 00F3 08 DTFXFREE 00F3 80 DTFXFRVS 0064 40 DTFXFWRQ 00F3 40 DTFXFXLC 012C DTFXFXLH 012E DTFXFXLL 0128 0000012C DTFXFXUC 0130 DTFXFXUH 0132 DTFXFXUL 0130 00000130 DTFXFXUR 0134 DTFXFXUU 0130 00000130 DTFXHRBA 0139 DTFXIDEN 0000 DTFXIOAD 0104 DTFXIOA1 00D0 DTFXIOEH 00F2 40 DTFXIOFL 0015 00000018 DTFXIOPT 0064 80 DTFXIORB 000E 04 DTFXIORP 00F2 10 DTFXIOWP 00F2 20 DTFXLBLN 0102 DTFXLBRD 011C DTFXLBTL 0112 08 DTFXLCBC 00FA DTFXLCDD 00FC DTFXLCOB 00F8 DTFXLCRC 00F9 DTFXLHH 014D DTFXLMEP 0116 02 DTFXLMPT 006D DTFXLMSA 0070 DTFXLMSP 0068 0000006C DTFXLMSW 006C DTFXLOBC 00C6 DTFXLOCD 00F4 000000F8 DTFXLOCF 00C4 DTFXLOC1 00BE 000000C0 DTFXLOLP 00C1 DTFXLOOC 00C0 DTFXLORS 00C5 DTFXLSIO 00F3 02 DTFXMECP 0064 20 DTFXMSWA 00BC DTFXMTRQ 00F9 40 DTFXNDTF 0058 DTFXNHRB 0049 04 DTFXNIOA 004B 02 DTFXNLBF 0112 40 DTFXNLBO 0118 DTFXNOMT 0049 01 DTFXNPCC 010C DTFXNPCK 014F 0000010C DTFXNPH 010E DTFXNPR 0110 DTFXNRDF 011A DTFXNW 0110 0000010D DTFXNWCC 010D DTFXNWH 010F DTFXOCCW 0060 00000064 DTFXOCWP 0065 DTFXODVT 00B4 DTFXORSP 005C DTFXPBNR 00EC 000000EC DTFXPONV 00F2 04 DTFXPRPT 013F DTFXRBFL 0018 DTFXRBPT 0019 DTFXRCIC 011E DTFXRCIN 010D DTFXRCIR 0108 0000010C DTFXRELL 0135 DTFXREOC 0112 20 DTFXRETR 00F3 10 DTFXRIOE 0116 08 DTFXRLCI 0108 0000010C DTFXRLC1 010C DTFXRLEN 0100 DTFXRPIP 0116 80 DTFXRPS 0049 08 DTFXRQCP 0112 02 DTFXRSVD 006C 01 DTFXRSV1 0024 DTFXRSV4 00D8 DTFXRWCF 00CC DTFXRWCW 00C6 000000C8 DTFXRWDP 00C9 DTFXRWLN 00CE DTFXRWOC 00C8 DTFXRWRS 00CD DTFXSARC 00F9 80 DTFXSCDF 0116 10 DTFXSDSD 006C 40 DTFXSDWF 006C 10 DTFXSEOF 0112 04 DTFXSFSW 0064 DTFXSIO1 00D4 DTFXSIO2 00D8 DTFXSKEX 0116 20 DTFXSMWP 00C0 DTFXSPB1 0112 DTFXSPB2 0113 DTFXSPRO 006C 04 DTFXSPR1 0114 DTFXSPR2 0115 DTFXSSFT 0049 20 DTFXSSFW 0049 10 DTFXSSHD 0049 80 DTFXSSIC 0116 DTFXSSIG 004B 40 DTFXSSLB 010D 00000110 DTFXSSLC 0049 40 DTFXSSL1 0110 DTFXSSL2 0111 DTFXSSOP 0125 DTFXSSPR 0108 DTFXSSRW 0149 DTFXSSR1 0117 DTFXSSSK 004B 80 DTFXTPC 0141 DTFXTPC1 0143 DTFXTRAF 000A 80 DTFXTRHD 00F9 20 DTFXTRNC 004B 08 DTFXUHH 014F DTFXULLX 00C8 DTFXULUX 00CC DTFXUPDT 004B 04 DTFXUWRQ 00F3 20 DTFXVALC 00F3 04 DTFXVER3 006C 08 DTFXVLBC 00D6 DTFXVLCF 00D4 DTFXVLLP 00D1 DTFXVLOC 00D0 DTFXVLRS 00D5 DTFXVNOP 00CE 000000D0 DTFXVYES 004B 01 DTFXWEOC 0112 10 DTFXWORK 004B 10 DTFXXLEN 0060 DTFXXRSV 00E9 DTFXXTFB 00EC DTFXXTFD 00F0 DTFXXTLD 00F4 DTFXXTMB 00E8 DTFXXTNT 00D8 000000E8 DTFX1411 0049 02 DTFX2BCI 013F 00000141 DTFX2BM1 0141 00000143
Last updated on 1 May 2002 at 14:16:55 EDT.
Copyright IBM Corporation, 1990, 2002