MSXCAPAB Back to Index page
 
Prolog 
Control Block Contents 
   MSXCAPAB DSECT
   MSXTABLE 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.

 
  MSXCAPAB Control Block Content Top of page
  




 MSXCAPAB DSECT
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Hex   Dec Type/Val   Lng Label (dup)    Comments
---- ---- --------- ---- -------------- --------
0000    0 Structure      MSXCAPAB       Message Signaled Interrupt Extended
0000    0 Address      1 *              Capability identifier
0001    1 Address      1 *              Next capability offset
0002    2 Bitstring    2 MSXCAPMC       Message Control
                                        B'----------rrr---' Reserved
          00000080       MSXCAPEN       B'0000000010000000' MSI-X Enable
          00000040       MSXCAPFM       B'0000000001000000' Function Mask
          0000FF07       MSXCAPTS       B'1111111100000111' Table Size -
                                        1
          000007FF       MSXCAPTR       B'0000011111111111' Table Size -
                                        1 (reversed)
0004    4 Address      4 MSXCAPTO (0)   Table Offset
0004    4 Bitstring    1 MSXCAPTL       Table offset low-order
0005    5 Bitstring    1 MSXCAPBI (0)   BAR Indicator Register
          .... ....      MSXCAPB0       B'00000000' MSXCAPB0 BAR 0
          .... .1..      MSXCAPB4       B'00000100' MSXCAPB4 BAR 4
          .... .1.1      MSXCAPB5       B'00000101' MSXCAPB5 BAR 5
0005    5 Bitstring    3 MSXCAPTH       Table Offset high-order
0008    8 Address      4 MSXCAPMA (0)   Page Base Address Offset
0008    8 Bitstring    1 MSXCAPML       PBA offset low-order
0009    9 Bitstring    1 MSXCAPMI (0)   BAR Indicator Register
0009    9 Bitstring    3 MSXCAPMH       PBA Offset high-order
          0000000C       MSXCAPLN       *-MSXCAPAB MSI-X Capability
                                        Length




 MSXTABLE DSECT
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Hex   Dec Type/Val   Lng Label (dup)    Comments
---- ---- --------- ---- -------------- --------
0000    0 Structure      MSXTABLE       Message Signaled Interrupt Extended
0000    0 Character    4 MSXTABMD       Message Data
0004    4 Address      4 MSXTABMA       Message Address
          .... ..1.      MSXTABMK       X'02' MSXTABMK Mask Bit
          .... ...1      MSXTABPD       X'01' MSXTABPD Pending Bit
 
 
  MSXCAPAB Storage Layout Top of page
  
          
*** MSXCAPAB - Message Signaled Interrupt Extended
*
*     +------+------+-------------+------+--------------------+
*   0 |//////|//////|  MSXCAPMC   |:CAPTL|     MSXCAPTH       |
*     +------+------+-------------+------+--------------------+
*   8 |:CAPML|     MSXCAPMH       | C
*     +------+--------------------+
*
*** MSXCAPAB - Message Signaled Interrupt Extended
          
*** MSXTABLE - Message Signaled Interrupt Extended
*
*     +---------------------------+---------------------------+
*   0 |         MSXTABMD          |         MSXTABMA          |
*     +---------------------------+---------------------------+
*   8
*
*** MSXTABLE - Message Signaled Interrupt Extended
 
 
  MSXCAPAB Cross Reference Top of page
  
 
Symbol         Dspl Value
-------------- ---- -----
MSXCAPBI       0005
MSXCAPB0       0005 00
MSXCAPB4       0005 04
MSXCAPB5       0005 05
MSXCAPEN       0002 00000080
MSXCAPFM       0002 00000040
MSXCAPLN       0009 0000000C
MSXCAPMA       0008
MSXCAPMC       0002
MSXCAPMH       0009
MSXCAPMI       0009
MSXCAPML       0008
MSXCAPTH       0005
MSXCAPTL       0004
MSXCAPTO       0004
MSXCAPTR       0002 000007FF
MSXCAPTS       0002 0000FF07
MSXTABMA       0004
MSXTABMD       0000
MSXTABMK       0004 02
MSXTABPD       0004 01
 
This information is based on z/VM 7.3.0 Last updated on 22 Jun 2022 at 15:53:12 EDT.
Copyright IBM Corporation, 1990, 2022