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 Address      4 MSXTABML       Message Lower Address
0004    4 Address      4 MSXTABMU       Message Upper Address
0008    8 Character    4 MSXTABMD       Message Data
000C   12 Bitstring    4 MSXTABMV       Vector Control
          .... ...1      MSXTABMK       X'01' MSXTABMK Mask 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 |         MSXTABML          |         MSXTABMU          |
*     +---------------------------+---------------------------+
*   8 |         MSXTABMD          |         MSXTABMV          |
*     +---------------------------+---------------------------+
*  10
*
*** 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
MSXTABMD       0008
MSXTABMK       000C 01
MSXTABML       0000
MSXTABMU       0004
MSXTABMV       000C
 
This information is based on z/VM 7.4.0 Last updated on 24 Jun 2024 at 11:32:29 EDT.
Copyright IBM Corporation, 1990, 2024