ATTO Technology FibreBridge 2200D, Software Manual

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ATTO Technology, Inc. ATTO FibreBridge Software Manual
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ATTO Technology, Inc.
Request Sense Command
Bit
Byte
7 6 5 4 3 2 1 0
0 Operation code (03h)
1 Logical Unit Number Reserved
2 Reserved
3 Reserved
4 Allocation Length
5 Control
The Request Sense command requests that the target transfer sense data to the initiator.
The sense data returned for a FibreBridge command is a subset of the sense data described in the SCSI
standard.
TEST UNIT READY command
The TEST UNIT READY command checks to see if the logical unit is ready. If the logical unit is able to
accept an appropriate medium-access command without returning CHECK CONDITION status, this
command shall return a GOOD status.
Bit
Byte
7 6 5 4 3 2 1 0
0
Operation code (00h)
1
Reserved
2
Reserved
3
Reserved
4
Reserved
5
Control
WRITE BUFFER command
The WRITE BUFFER command is used in conjunction with the READ BUFFER command as a
maintenance function for reading and writing microcode and configuration information. The WRITE
BUFFER command allows microcode to be updated and configuration parameters to be modified.
Bit
Byte
7 6 5 4 3 2 1 0
0 Operation code (3Bh)
1
Reserved Mode
2
Buffer ID
3
(MSB)
4
5
Buffer Offset
(LSB)
6
(MSB)
7
8
Parameter list length
(LSB)
9
Control
The function of the command and meaning of the returned data depends upon the contents of the Buffer
ID field. The Buffer ID field identifies a specific buffer within the ATTO FibreBridge from which data will be