Table 1 describes some of the abbreviations that are used to describe the data that is contained in the AOM trace table.
| Abbreviation | Description |
|---|---|
| AAQE | AAQE address. |
| ABCO | Abend code. |
| AECB | Asynchronous attention queue element (AAQE) event control block. |
| AFLG | Contents of AAQEFLG1. |
| AFGL | Contents of AAQEFLG1. |
| ASID | Address space identification. |
| CCOD | Identifies the module that generated the trace entry. AOMIPCS translates CCOD to NAME when formatting trace table entries. |
| CECB | Channel end/device end event control block. |
| CCWP | Address of the channel program. |
| CPGM | Channel program. |
| DAT1 | Data determined by the type of operation. |
| DAT2 | Continuation of data determined by the type of operation. |
| DEV | Device identification. |
| DEVI | Device identification number. |
| DSEB | Address of the device service exit parameter list for sense subsystem status. |
| DSEF | Address of the device service exit buffer for read configuration data. |
| DSEP | Address of the device service exit parameter list for read device characteristics. |
| ECOD | Event code. AOMIPCS translates ECOD to TRCn when formatting trace table entries. n is a hex number from 1 to A. |
| EFLG | Footprint flags. |
| FLG1 | Contents of SERVFLG1. |
| FLG2 | Contents of AAQEFLG2. |
| FLG3 | Contents of SERVFLG3. |
| FLGS | Contents of SERVFLGS. |
| FRC | Function return code. |
| FRRF | AOMQERR FRR footprint. |
| FUNC | AOMQMGR function code. |
| HEAD | Address of the first trace table entry. |
| ICOD | Input/Output Supervisor completion code. |
| IFLA | Input/Output Supervisor flag byte A. |
| INDX | Configuration table index. |
| IOSB | Input/Output Supervisor control block address. |
| IOST | Input/Output Supervisor status. |
| IOSS | Input/Output Supervisor status. |
| IOSN | First two bytes of sense information. |
| LEN | Length of trace table entry. |
| LPUM | Last path used mask. |
| NEXT | Address of the next available trace table entry. |
| NEND | End of the general section of the trace table entry. |
| MSG | Asynchronous message-ID. |
| MSID | Message identification. |
| PATH | Path mask. |
| PTHM | Path mask. |
| PTHI | Channel path identification. |
| QUEL | QUEL address. |
| RETP | Return address. |
| REQT | Request type. |
| RETC | AOM Return code. |
| REAS | AOM Reason code. |
| RSDP | Read subsystem data address. |
| RSSD | Read subsystem data. |
| RG00 | Values in register 0. |
| RG01 | Values in register 1. |
| RG13 | Values in register 13. |
| RG14 | Values in register 14. |
| RG15 | Values in register 15. |
| RSD | Read subsystem data address. |
| RSDD | RSD data. |
| SSDP | Address of the subsystem data area. |
| SSDL | Length of the subsystem data area. |
| SSDN | Needed length of the subsystem data area. |
| SENS | Sense data. |
| SEQN | Trace table sequence number. |
| SRVL | Pointer to SERVL |
| SSID | 3990 Subsystem identification number. |
| SRV1 | SERVL used by AOMDRVR for the original asynchronous I/O request. |
| SRV2 | SERVL used by AOMDTRM for the read subsystem data channel program. |
| TCB | Task control block address. |
| TAIL | Address of the last trace table entry. |
| TIME | Asynchronous timeout value. |
| TKPT | Caller's IOC system token pointer |
| TYPE | Identifies the trace table entry type. |
| TRID | Identifies where the trace was issued within the module. AOMIPCS translates TRID to EP and LOC when formatting trace table entries. |
| TOD | Time of day. |
| UCBN | Device number. |
| UCBP | Unit control block address. |
| UCB | Unit control block address. |
| UNIT | Device number. |
| VNBR | Identifies the format of the variable trace data. |
| VLEN | Length of the following trace data. |
| VDAT | Format-dependent information for each trace table entry. |