DXLPL Back to Index page
 
Prolog 
Control Block Contents 
   DXLPL DSECT
Storage Layout 
Cross Reference (Contains links to field and bit definitions)
Programming Interface Information:
This information is NOT intended to be
used as Programming Interfaces of z/VM.


  DXLPL Prolog Top of page
 
 NAME       : HCPDXLPL
 DESCRIPTION: DIAGNOSE X'278' (XLINK) Parameter List
 DSECT      : DXLPL
 FUNCTION   : DXLPL maps the parameter list for DIAGNOSE x'278'
              requests.
 LOCATED BY : DIAGNOSE-specified user register "Ry"
 CREATED BY : The virtual machine
 DELETED BY : The creating virtual machine
 RELOCATION CONSIDERATIONS : None
 
 
  DXLPL Control Block Content Top of page
 

 DXLPL DSECT Top of page
Hex Dec Type/Val Lng Label (dup) Comments ---- ---- --------- ---- -------------- -------- 0000 0 Structure DXLPL DIAGNOSE X'278' (XLINK) Parameter List The diagnose 278 request bits from user's Rx register. Unassigned bits must be 0 in Rx. .... .... DXLSYINR X'80000000' Request for System Include list .... .... DXLSYEXR X'40000000' Request for System Exclude list .... .... DXLDTABR X'20000000' Request for Device Table .... .... DXLVLINR X'10000000' Request for Volume Include list .... .... DXLVLEXR X'08000000' Request for Volume Exclude list Layout for Diagnose X'278' 0000 0 Dbl-Word 8 DXLHDR (0) Input fields begin here 0000 0 Bitstring 2 DXLPLID Parameter list ID, = x'0278' 0002 2 Bitstring 2 * Reserved 0004 4 Signed 2 DXLBLEN D-words provided by caller 0006 6 Signed 2 DXLDLEN D-words required to hold all data Length of the data that was (or would have been) placed into field DXLDATA. If the guest condition code is 0, then DXLDATA contains data. If the guest condition code is 3, then the contents of DXLDATA are unpredictable. 0008 8 Dbl-Word 8 * (0) Pad DXLHDR to d-word boundary 00000008 DXLHDRL *-DXLHDR Length of DXLPL header 0008 8 Dbl-Word 8 DXLDATA (0) Response data starts here Control fields for System Include list. 0008 8 Signed 2 DXLSYINO Offset from DXLPL to first entry in double words 000A 10 Signed 2 DXLSYINC Count of entries 000C 12 Signed 2 DXLSYINL Length of each entry 000E 14 Signed 2 * Reserved Each entry: 8 byte system name Length-8 bytes of padding Control fields for System Exclude list. 0010 16 Signed 2 DXLSYEXO Offset from DXLPL to first entry in double words 0012 18 Signed 2 DXLSYEXC Count of entries 0014 20 Signed 2 DXLSYEXL Length of each entry 0016 22 Signed 2 * Reserved Each entry: 8 byte system name Length-8 bytes of padding Control fields for Volume Include list. 0018 24 Signed 2 DXLVLINO Offset from DXLPL to first entry in double words 001A 26 Signed 2 DXLVLINC Count of entries 001C 28 Signed 2 DXLVLINL Length of each entry 001E 30 Signed 2 * Reserved Each entry: 6 byte volume serial pattern 2 byte cyl number 2 byte trk number 2 byte rec len 2 byte recs Length-14 bytes of padding Control fields for Volume Exclude list. 0020 32 Signed 2 DXLVLEXO Offset from DXLPL to first entry in double words 0022 34 Signed 2 DXLVLEXC Count of entries 0024 36 Signed 2 DXLVLEXL Length of each entry 0026 38 Signed 2 * Reserved Each entry: 6 byte volume serial pattern Length-6 bytes of padding Control fields for Device Table entries. 0028 40 Signed 2 DXLDTABO Offset from DXLPL to first entry in double words 002A 42 Signed 2 DXLDTABC Count of entries 002C 44 Signed 2 DXLDTABL Length of each entry 002E 46 Signed 2 * Reserved Each entry: 1 byte device type (from HCPDVTYP) 1 byte model/etc. information 2 byte cyl number 2 byte trk number 2 byte rec len 2 byte recs Length-10 bytes of padding End of control pointers. . . Anything may be inserted here . w/o requiring users of this . diagnose to re-assemble, as . long as all references to the . response details are through . the control fields (offset, . length, etc.) defined above. . References to label DXLDATAV . should be avoided. . 0030 48 Dbl-Word 8 DXLDATAV (0) Response details start here 00000006 DXLSIZED (*-DXLPL+7)/8 Minimum usable size in d-words
 
 
  DXLPL Storage Layout Top of page
 
          
*** DXLPL - DIAGNOSE X'278' (XLINK) Parameter List
*
*     +-------------+-------------+-------------+-------------+
*   0 |  DXLPLID    |/////////////|  DXLBLEN    |  DXLDLEN    |
*     +-------------+-------------+-------------+-------------+
*   8 |  DXLSYINO   |  DXLSYINC   |  DXLSYINL   |/////////////|
*     +-------------+-------------+-------------+-------------+
*  10 |  DXLSYEXO   |  DXLSYEXC   |  DXLSYEXL   |/////////////|
*     +-------------+-------------+-------------+-------------+
*  18 |  DXLVLINO   |  DXLVLINC   |  DXLVLINL   |/////////////|
*     +-------------+-------------+-------------+-------------+
*  20 |  DXLVLEXO   |  DXLVLEXC   |  DXLVLEXL   |/////////////|
*     +-------------+-------------+-------------+-------------+
*  28 |  DXLDTABO   |  DXLDTABC   |  DXLDTABL   |/////////////|
*     +-------------+-------------+-------------+-------------+
*
*** DXLPL - DIAGNOSE X'278' (XLINK) Parameter List
 
 
  DXLPL Cross Reference Top of page
 
 
Symbol         Dspl Value
-------------- ---- -----
DXLBLEN        0004
DXLDATA        0008
DXLDATAV       0030
DXLDLEN        0006
DXLDTABC       002A
DXLDTABL       002C
DXLDTABO       0028
DXLDTABR       0000 00
DXLHDR         0000
DXLHDRL        0008 00000008
DXLPLID        0000
DXLSIZED       0030 00000006
DXLSYEXC       0012
DXLSYEXL       0014
DXLSYEXO       0010
DXLSYEXR       0000 00
DXLSYINC       000A
DXLSYINL       000C
DXLSYINO       0008
DXLSYINR       0000 00
DXLVLEXC       0022
DXLVLEXL       0024
DXLVLEXO       0020
DXLVLEXR       0000 00
DXLVLINC       001A
DXLVLINL       001C
DXLVLINO       0018
DXLVLINR       0000 00
 
This information is based on z/VM 6.3.0 Last updated on 22 May 2013 at 13:54:22 EDT.
Copyright IBM Corporation, 1990, 2013