IOIP

Prolog  

Control Block Contents  
   IOIP DSECT

Storage Layout  

Cross Reference (Contains links to field and bit definitions)  

IOIP Prolog

 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

IOIP Control Block Content

IOIP DSECT

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'
                                        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

          
*** 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

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