Programming Interface Information:
This information is NOT intended to be used as Programming Interfaces of z/VM. |
DSTBK
Control Block Contents
DSTBK DSECT
Cross Reference (Contains links to field and bit definitions)
DSTBK Control Block Content
DSTBK DSECT
Hex Dec Type/Val Lng Label (dup) Comments ---- ---- --------- ---- -------------- -------- 0000 0 Structure DSTBK Parameter / work area for DEFINE STORAGE 0000 0 Dbl-Word 8 DSTPLIST (0) Start of parameter list used by parser 0000 0 Signed 4 DSTWORD1 (0) First word of parser parms 0000 0 Bitstring 1 DSTFLAG1 Flag byte 1 1... .... DSTCONFG X'80' CONFIGuration was specified 0001 1 Bitstring 1 * (3) Reserved for IBM use Storage size is stored here when there is no config spec. 0004 4 Signed 4 DSTBSTRI Decimal storage size before scale value is applied 0008 8 Bitstring 1 DSTBSTRS Scale shift value for size 0009 9 Bitstring 1 * (3) Reserved for IBM use Configuration specifications (8 of them) each mapped via ZSBBK DSECT from HCPZSBBK COPY. Semantics of these specifications is located in the post-processing portion of the Define Storage Config command processor in HCPDST. 000C 12 Signed 2 DSTCFGCT Number of config specs 000E 14 Signed 2 * Reserved for IBM use 0010 16 Character 960 DSTSPECA Array of 8 parsed conf specs 0010 16 Character 120 DSTCSPEC 1st element of the array 00000088 DSTNEXT * Next element accessor 0088 136 Character 120 * 2nd array element 0100 256 Character 120 * 3rd array element 0178 376 Character 120 * 4th array element 01F0 496 Character 120 * 5th array element 0268 616 Character 120 * 6th array element 02E0 736 Character 120 * 7th array element 0358 856 Character 120 * 8th array element 000003D0 DSTPLEN *-DSTBK End of parm list for parser 03D0 976 Character 80 DSTSNDBX Scratch pad, sand box 00000084 DSTSIZE (*-DSTBK+7)/8 Size, in dwords, of DSTBK
DSTBK Storage Layout
*** DSTBK - Parameter / work area for DEFINE STORAGE * * +------+--------------------+---------------------------+ * 0 |:FLAG1|////////////////////| DSTBSTRI | * +------+--------------------+-------------+-------------+ * 8 |:BSTRS|////////////////////| DSTCFGCT |/////////////| * +------+--------------------+-------------+-------------+ * 10 | | * = DSTSPECA = * | | * +-------------------------------------------------------+ * 3D0 | | * = DSTSNDBX = * | | * +-------------------------------------------------------+ * 420 * *** DSTBK - Parameter / work area for DEFINE STORAGE *** Overlay for DSTSPECA in DSTBK * * +-------------------------------------------------------+ * 10 | | * = DSTCSPEC = * | | * +-------------------------------------------------------+ * 88 |///////////////////////////////////////////////////////| * =///////////////////////////////////////////////////////= * |///////////////////////////////////////////////////////| * +-------------------------------------------------------+ * 100 |///////////////////////////////////////////////////////| * =///////////////////////////////////////////////////////= * |///////////////////////////////////////////////////////| * +-------------------------------------------------------+ * 178 |///////////////////////////////////////////////////////| * =///////////////////////////////////////////////////////= * |///////////////////////////////////////////////////////| * +-------------------------------------------------------+ * 1F0 |///////////////////////////////////////////////////////| * =///////////////////////////////////////////////////////= * |///////////////////////////////////////////////////////| * +-------------------------------------------------------+ * 268 |///////////////////////////////////////////////////////| * =///////////////////////////////////////////////////////= * |///////////////////////////////////////////////////////| * +-------------------------------------------------------+ * 2E0 |///////////////////////////////////////////////////////| * =///////////////////////////////////////////////////////= * |///////////////////////////////////////////////////////| * +-------------------------------------------------------+ * 358 |///////////////////////////////////////////////////////| * =///////////////////////////////////////////////////////= * |///////////////////////////////////////////////////////| * +-------------------------------------------------------+ * 3D0 * *** Overlay for DSTSPECA in DSTBK
DSTBK Cross Reference
Symbol Dspl Value -------------- ---- ----- DSTBSTRI 0004 DSTBSTRS 0008 DSTCFGCT 000C DSTCONFG 0000 80 DSTCSPEC 0010 DSTFLAG1 0000 DSTNEXT 0010 00000088 DSTPLEN 0358 000003D0 DSTPLIST 0000 DSTSIZE 03D0 00000084 DSTSNDBX 03D0 DSTSPECA 0010 DSTWORD1 0000
Copyright IBM Corporation, 1990, 2001