IOIP Back to Index page
 
Prolog 
Control Block Contents 
   IOIP 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.


  IOIP Prolog Top of page
  
 NAME       : HCPIOIP
 DESCRIPTION: INPUT/OUTPUT INTERRUPTION CODE MAPPING
 DSECT      : IOIP
 FUNCTION   : PROVIDE SYMOLIC REFERENCES FOR THE FIELDS
              STORED WITH AN XA-MODE I/O INTERRUPTION CODE.
 LOCATED BY : N/A
 CREATED BY : N/A
 DELETED BY : N/A
 RELOCATION CONSIDERATIONS : None
 
 
  IOIP Control Block Content Top of page
  




 IOIP DSECT
Top of page


Hex   Dec Type/Val   Lng Label (dup)    Comments
---- ---- --------- ---- -------------- --------
0000    0 Structure      IOIP           INPUT/OUTPUT INTERRUPTION CODE MAPPING
0000    0 Signed       4 IOISUBID (0)   Subsystem-Identification Word
0000    0 Bitstring    1 IOIPSSAD       SUBSYSTEM ADDRESS (X'00')
0001    1 Bitstring    1 IOIPSTYP       SUBSYSTEM TYPE (X'01')
0002    2 Signed       2 IOIPSNUM       SUBCHANNEL NUMBER
0004    4 Signed       4 IOIPARM        I/O INTERRUPTION PARAMETER
0008    8 Signed       4 IOIINTID (0)   Interruption-Identification Word
0008    8 Bitstring    1 IOIISPM (0)    Interruption-Subclass-Pending
                                        Mask. (TPZI-test function).
0008    8 Bitstring    1 IOIISC         Interruption-Subclass Code
0009    9 Bitstring    1 IOIZONE        Zone number
000A   10 Bitstring    1 IOISCHST       Subchannel status
          1... ....      IOIIIC         X'80' IOIIIC
                                        Interruption-Interlock-Control
                                        bit.
000B   11 Bitstring    1 *              Reserved for future IBM use
          00000002       IOIPSIZE       (*-IOIP+7)/8 SIZE OF BLOCK IN
                                        DOUBLE-WORDS
          0000000C       IOIPBLEN       (*-IOIP)
 
 
  IOIP Storage Layout Top of page
  
          
*** IOIP - INPUT/OUTPUT INTERRUPTION CODE MAPPING
*
*     +------+------+-------------+---------------------------+
*   0 |:PSSAD|:PSTYP|  IOIPSNUM   |         IOIPARM           |
*     +------+------+------+------+---------------------------+
*   8 |IOIISC|:ZONE |:SCHST|//////| C
*     +------+------+------+------+
*
*** IOIP - INPUT/OUTPUT INTERRUPTION CODE MAPPING
 
 
  IOIP Cross Reference Top of page
  
 
Symbol         Dspl Value
-------------- ---- -----
IOIIIC         000A 80
IOIINTID       0008
IOIISC         0008
IOIISPM        0008
IOIPARM        0004
IOIPBLEN       000B 0000000C
IOIPSIZE       000B 00000002
IOIPSNUM       0002
IOIPSSAD       0000
IOIPSTYP       0001
IOISCHST       000A
IOISUBID       0000
IOIZONE        0009
 
This information is based on z/VM 7.4.0 Last updated on 24 Jun 2024 at 11:31:25 EDT.
Copyright IBM Corporation, 1990, 2024