Open Address Frame; Table 1.21 Open Address Frame Format; Table 1.22 Protocol Field - Fujitsu MBA3073RC SERIES Technical Manual

SAS Interface

1.5.3 OPEN address frame

Table 1.21 defines the OPEN address frame format used for connection requests.
Bit
7
Byte
INITIATO
0
R PORT
1
2 (MSB)
3
4
11
12
19
20
21
22 (MSB)
23
24
27
28 (MSB)
31
An INITIATOR PORT bit set to one specifies that the source port is acting as a
SAS INIT port. An INITIATOR PORT bit set to zero specifies that the source
port is acting as a SAS TARG port.
The PROTOCOL field specifies the protocol for the connection being requested
and is defined in Table 1.22.
62

Table 1.21 OPEN address frame format

6 5 4
PROTOCOL
FEATURES
INITIATOR CONNECTION TAG
DESTINATION SAS ADDRESS
SOURCE SAS ADDRESS
COMPATIBLE FEATURES
PATHWAY BLOCKED COUNT
ARBITRARION WAIT TIME
MORE COMPATIBLE FEATURES

Table 1.22 PROTOCOL field

Code
000b
001b
010b
All others
3 2
ADDRESS FRAME TYPE (1h)
CONNECTION RATE
CRC
Description
SMP
SSP
STP
Reserved
1 0
(LSB)
(LSB)
(LSB)
C141-C013