Identify Address Frame; Table 1.19 Identify Address Frame Format; Table 1.20 Device Type Field - Fujitsu MAU3147RC SERIES Technical Manual

Serial Attached SCSI (SAS) Interface

1.5.2 IDENTIFY address frame

Table 1.19 defines the IDENTIFY address frame format used for the
identification sequence. The IDENTIFY address frame is sent after the phy reset
sequence completes if the physical link is a SAS physical link.

Table 1.19 IDENTIFY address frame format

Bit
7
Byte
Restricted
(for Open
0
address
frame)
1
2
3
4
11
12
19
20
21
27
28 (MSB)
31
The DEVICE TYPE field specifies the type of device containing the phy, and is
defined in Table 1.20.
1-40
5 4
6
DEVICE TYPE
Restricted (for OPEN address frame)
Reserved
Reserved
Restricted (for Open address frame)
SAS ADDRESS
PHY IDENTIFIYR

Table 1.20 DEVICE TYPE field

Code
001b End device
010b Edge expander device
011b Fanout expander device
All others Reserved
2
3
ADDRESS FRAME TYPE (0h)
SSP STP
INITIATOR INITIATOR
PORT PORT
SSP STP
TARGET TARGET
PORT PORT
Reserved
Reserved
Description
1 0
Restricted
SMP
(for Open
INITIATOR
address
PORT
frame)
Restricted
SMP
(for Open
TARGET
address
PORT
frame)
(LSB)
C141-C009