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Chapter 4 SCSI Commands
LOG SENSE Command (4Dh)
DLT-S4 Interface Reference Guide 81
Figure 39 shows the SAS phy log descriptor.
Figure 39 SAS Phy Log
Descriptor
Parameter
Control Byte
(continued)
LBIN 1 List Binary.
LP 1 List Parameter.
Parameter
Length
The Parameter Length field is set to the length of the log parameter minus three.
Protocol
Identifier
A value of 6h indicates that this log page applies to an SAS-1.1 port (see the Serial
Attached SCSI -1.1 (SAS -1.1) standard for specific SAS information).
Number of
Phys
The Number of Phys is set to 1h.
SAS Phy Log
Descriptor
See figure 39
.
Bit
Byte
7 6 5 4 3 2 1 0
0 Reserved
1 Phy Indentifier
2 Reserved
3 Reserved
4 Reserved Attached Device Type Reserved
5 Reserved
Negotiated Physical Link Rate
6 Reserved
Attached SSP
Initiator Port
Attached STP
Initiator Port
Attached SMP
Initiator Port
Reserved
7 Reserved
Attached SSP
Target Port
Attached STP
Target Port
Attached SMP
Target Port
Reserved
8 — 15 SAS Address
16 — 23 Attached SAS Address
Field Description
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