Programming Interface Information:
The Monitor Records are intended Programming Interfaces that allow the customer to write programs to obtain services of z/VM. |
MRIODHPF
PrologControl Block Contents
Cross Reference
MRIODHPF Prolog
DSECT NAME - IODHPF FUNCTION - This record indicates a High Performance FICON (HPF) feature change. LOCATED BY - Through the Monitor Control Area REFERENCED CONTROL BLOCKS - MRRECHDR Monitor Record Header NAME - MRIODHPF DESCRIPTIVE NAME - Monitor Event Record Domain 6 - I/O Domain Record 32 - HPF Feature Change DESCRIPTION - Indicates an HPF Feature Change NOTES: The SSID (Subsystem ID) is a unique value that distinguishes a logical control unit from any other in a configuration. This value can be obtained from a Q DASD DETAILS command executed against one of the device's on the control unit. An LSS (Logical Subsystem) is a logical control unit within a physical control unit. The LSS number is only unique within the physical control unit and not unit across control units. Currently there is no query command that presents this inforamtion.
MRIODHPF Control Block Contents
Offsets Dec Hex Type Len Name (Dim) Description 0 0 Structure 28 IODHPF Start of monitor record 0 0 Character 0 IODHPF_MRHDR Record header. See MRRECHDR for details. 0 0 Character 20 MRHDR 0 0 Unsigned 2 MRHDRLEN 2 2 Unsigned 2 MRHDRZER 4 4 Unsigned 1 MRHDRDM 5 5 Unsigned 1 * 6 6 Unsigned 2 MRHDRRC 8 8 Character 8 MRHDRTOD 16 10 Character 4 * 20 14 Character 0 MRHDR_END 20 14 Unsigned 2 IODHPF_CUIDSSID Subsystem ID (SSID) 22 16 Unsigned 1 IODHPF_CUIFCXP_OLD Old HPF Feature bits 23 17 Unsigned 1 IODHPF_CUIFCXP_NEW New HPF Feature bits 24 18 Character 4 * Reserved and available for IBM use. 28 1C Character 0 IODHPF_END
MRIODHPF Cross Reference
Hex Hex Name Offset Length Value IODHPF 0 28 IODHPF_CUIDSSID 14 2 IODHPF_CUIFCXP_NEW 17 1 IODHPF_CUIFCXP_OLD 16 1 IODHPF_END 1C 0 IODHPF_MRHDR 0 0 MRHDR 0 20 MRHDR_END 14 0 MRHDRDM 4 1 MRHDRLEN 0 2 MRHDRRC 6 2 MRHDRTOD 8 8 MRHDRZER 2 2
This information is based on z/VM V6R2.0.
Last updated on 14 May 2012 at 09:36:04.
Copyright IBM Corporation, 1990, 2012