List of SCSI message codes
A SCSI Message Code is a computer term which defines how SCSI devices send interface management information. The message code comprises one or more bytes.
List of SCSI Message Codes
00 | COMMAND COMPLETE |
01nnyy... | EXTENDED MESSAGE - nn is the length, yy is the extended message code |
010203ee | WIDE DATA TRANSFER REQUEST where ee is the transfer width exponent |
010301pprr | SYNCHRONOUS DATA TRANSFER REQUEST - where pp is the period and rr is the REQ/ACK offset |
010500aaaa | MODIFY DATA POINTER - where aaaa is added to the current data pointer |
01nn02... | |
02 | SAVE PTRS |
04 | DISCONNECT |
05 | INITIATOR DETECTED ERROR |
06 | ABORT |
07 | MESSAGE REJECT |
08 | NO OPERATION |
09 | MESSAGE PARITY ERROR |
0A | LINKED COMMAND COMPLETE |
0B | LINKED COMMAND COMPLETE (WITH FLAG) |
0C | BUS DEVICE RESET |
0D | ABORT TAG |
0E | CLEAR QUEUE |
0F | INITIATE RECOVERY |
10 | RELEASE RECOVERY |
11 | TERMINATE I/O PROCESS |
20 | SIMPLE QUEUE TAG |
21 | HEAD OF QUEUE TAG |
22 | ORDERED QUEUE TAG |
230i | IGNORE WIDE RESIDUE - where i is the number of bytes to ignore |
24-2F | Reserved for two-byte messages |
80-FF | IDENTIFY |
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