Fujitsu MBA3073RC, MBC2036RC, MBC2073RC Identify address frame format, Device Type field

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		6		5	4		3	2	1	0
Byte		7
		Restricted
0		(for Open		DEVICE TYPE				ADDRESS FRAME TYPE (0h)
		address
		frame)
1					Restricted (for OPEN address frame)
								SSP	STP	SMP	Restricted
											(for Open
2				Reserved				INITIATOR	INITIATOR	INITIATOR
								PORT	PORT	PORT	address
											frame)
								SSP	STP	SMP	Restricted
											(for Open
3				Reserved				TARGET	TARGET	TARGET
											address
								PORT	PORT	PORT
											frame)
4					Restricted (for Open address frame)
11
12						SAS ADDRESS
19
20						PHY IDENTIFIYR
21							Reserved
27
28		(MSB)					CRC
31											(LSB)

The DEVICE TYPE field specifies the type of device containing the phy, and is defined in Table 1.20.

Table 1.20 DEVICE TYPE field

Code	Description
001b	End device
010b	Edge expander device
011b	Fanout expander device
All others	Reserved

The ADDRESS FRAME TYPE field shall be set to 0h.

60 C141-C013