Programming Interface Information:
The Monitor Records are intended Programming Interfaces that allow the customer to write programs to obtain services of z/VM. |
MRIODATD
PrologControl Block Contents
Cross Reference
MRIODATD Prolog
DSECT NAME - IODATD FUNCTION - Map a Monitor record. LOCATED BY - Through the Monitor Control Area REFERENCED CONTROL BLOCKS - MRRECHDR Monitor Record Header NAME - MRIODATD DESCRIPTIVE NAME - Monitor Event Record Domain 6 - I/O Domain Record 5 - Attach Device DESCRIPTION - Indicates that a device has been attached to the system.
MRIODATD Control Block Contents
Offsets Dec Hex Type Len Name (Dim) Description 0 0 Structure 44 IODATD Start of monitor record 0 0 Character 0 IODATD_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 Bitstring 1 IODATD_RDEVTYPE Device type code. Unique for each device within the class in IODATD_RDEVCLAS. 21 15 Bitstring 1 IODATD_RDEVCLAS Device class code. Unique for each class. 22 16 Unsigned 2 IODATD_RDEVDVID Device type number in packed decimal. See IODATD_RDEVDVIV for its source. 24 18 Bitstring 1 IODATD_CALMODLN Device model identifier. See IODATD_RDEVDVIV flag for its source. 25 19 Bitstring 1 IODATD_RDEVLPM Logical path mask 26 1A Unsigned 2 IODATD_RDEVDEV Device number 28 1C Unsigned 4 IODATD_RDEVSID Host subchannel id 32 20 Character 8 IODATD_RDEVCHPS Eight channel path ids for this device 40 28 Unsigned 2 IODATD_RDEVCUID control unit id in packed decimal. Applicable only when IODATD_RDEVCUIV = on. 42 2A Unsigned 1 IODATD_RDEVCUMN Control unit model identifier. Applicable only when IODATD_RDEVCUIV = on. 43 2B Bitstring 1 IODATD_CALFLAGS Flag byte 1... .... IODATD_RDEVDVIV OFF = device model identifier IODATD_RDEVDVID) and model identifier (in IODATD_CALMODLN) were provided by user through the RDEVICE macro or device sensing at IPL time. ON = device type number and model identifier were provided by the device at device initialization time. .1.. .... IODATD_RDEVCUIV When on, Control unit information is supplied in IODATD_RDEVCUID and IODATD_RDEVCUMN. ..1. .... * ...1 .... * .... 1... * .... .1.. * .... ..1. * .... ...1 * 44 2C Character 0 IODATD_END
MRIODATD Cross Reference
Hex Hex Name Offset Length Value IODATD 0 44 IODATD_CALFLAGS 2B 1 IODATD_CALMODLN 18 1 IODATD_END 2C 0 IODATD_MRHDR 0 0 IODATD_RDEVCHPS 20 8 IODATD_RDEVCLAS 15 1 IODATD_RDEVCUID 28 2 IODATD_RDEVCUIV 2B 40 IODATD_RDEVCUMN 2A 1 IODATD_RDEVDEV 1A 2 IODATD_RDEVDVID 16 2 IODATD_RDEVDVIV 2B 80 IODATD_RDEVLPM 19 1 IODATD_RDEVSID 1C 4 IODATD_RDEVTYPE 14 1 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 V7R1.0.
Last updated on 11 Sept 2018 at 15:52:05.
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