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Programming Interface Information:
This information is NOT intended to be
used as Programming Interfaces of z/VM. |
X4400
Control Block Contents
X4400 DSECT
X4407 DSECT
Cross Reference (Contains links to field and bit definitions)
X4400 Prolog
Name : HCPPLXIT Description: Parm list pointers for exit 4400 DSECT : X4400
X4400 Control Block Content
X4400 DSECT
Hex Dec Type/Val Lng Label (dup) Comments ---- ---- --------- ---- -------------- -------- 0000 0 Structure X4400 Parm list pointers for exit 4400 0000 0 Address 4 * 1 Reserved 0004 4 Address 4 X4400UWD 2 User words 0008 8 Address 4 X4400TRT 3 TRT 256 bytes 000C 12 Address 4 X4400CCW 4 First CCW (or zero) 0010 16 Address 4 X4400PG1 5 First data page (SEPPAG1) 0014 20 Address 4 X4400PG2 6 Second data page (SEPPAG2) 0018 24 Address 4 X4400SPF 7 SPFBK 001C 28 Address 4 X4400RDV 8 RDEV 0020 32 Address 4 X4400RSP 9 RSPBK
X4407 DSECT
Hex Dec Type/Val Lng Label (dup) Comments ---- ---- --------- ---- -------------- -------- 0000 0 Structure X4407 Parm list pointers for exit 4407 0000 0 Address 4 * 1 Reserved 0004 4 Address 4 X4407UWD 2 User words 0008 8 Address 4 X4407TRT 3 TRT 256 bytes 000C 12 Address 4 X4407CCW 4 First CCW for trailer I/O 0010 16 Address 4 X4407PG1 5 CCW and data page (SEPTRL) 0014 20 Address 4 X4407SPF 6 SPFBK 0018 24 Address 4 X4407RDV 7 RDEV 001C 28 Address 4 X4407RSP 8 RSPBK
X4400 Storage Layout
*** X4400 - Parm list pointers for exit 4400 * * +---------------------------+---------------------------+ * 0 |///////////////////////////| X4400UWD | * +---------------------------+---------------------------+ * 8 | X4400TRT | X4400CCW | * +---------------------------+---------------------------+ * 10 | X4400PG1 | X4400PG2 | * +---------------------------+---------------------------+ * 18 | X4400SPF | X4400RDV | * +---------------------------+---------------------------+ * 20 | X4400RSP | 24 * +---------------------------+ * *** X4400 - Parm list pointers for exit 4400 *** X4407 - Parm list pointers for exit 4407 * * +---------------------------+---------------------------+ * 0 |///////////////////////////| X4407UWD | * +---------------------------+---------------------------+ * 8 | X4407TRT | X4407CCW | * +---------------------------+---------------------------+ * 10 | X4407PG1 | X4407SPF | * +---------------------------+---------------------------+ * 18 | X4407RDV | X4407RSP | * +---------------------------+---------------------------+ * 20 * *** X4407 - Parm list pointers for exit 4407
X4400 Cross Reference
Symbol Dspl Value -------------- ---- ----- X4400CCW 000C X4400PG1 0010 X4400PG2 0014 X4400RDV 001C X4400RSP 0020 X4400SPF 0018 X4400TRT 0008 X4400UWD 0004 X4407CCW 000C X4407PG1 0010 X4407RDV 0018 X4407RSP 001C X4407SPF 0014 X4407TRT 0008 X4407UWD 0004
This information is based on z/VM V4R1.0.
Last updated on 5 Jun 2001 at 16:13:05 EDT.
Copyright IBM Corporation, 1990, 2001