User Manual

SCSI Commands Reference Manual, Rev. J 356
www.seagate.com Parameters for direct access devices
Table 335 SAS phy log descriptor
Bit
Byte
7 6 5 4 3 2 1 0
0 Reserved
1 PHY IDENTIFIER
2 Reserved
3 SAS PHY LOG DESCRIPTOR LENGTH (m - 3)
4 Reserved ATTACHED DEVICE TYPE ATTACHED REASON
5 REASON NEGOTIATED LOGICAL 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
SAS ADDRESS. . .
15
16
ATTACHED SAS ADDRESS. . .
23
24 ATTACHED PHY IDENTIFIER
25
Reserved
31
32 (MSB)
INVALID DWORD COUNT. . .
35 (LSB)
36 (MSB)
RUNNING DISPARITY ERROR COUNT. . .
39 (LSB)
40 (MSB)
LOSS OF DWORD SYNCHRONIZATION. . .
43 (LSB)
44 (MSB)
PHY RESET PROBLEM. . .
47 (LSB)
48
Reserved
49
50 PHY EVENT DESCRIPTOR LENGTH
51 NUMBER OF PHY EVENT DESCRIPTORS
PHY EVENT DESCRIPTOR LIST