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READ ATTRIBUTE 6.Command Specification
SONY AIT-5 drive SDX-1100V series Ver.1.0 6-67
Table 6-67: READ ATTRIBUTE with ATTRIBUTE VALUES service action parameter list format
Bit
Byte
7 6 5 4 3 2 1 0
0 (MSB)
3
AVAILABLE DATA (n-3)
(LSB)
ATTRIBUTE (s)
4
..
x
ATTRIBUTE 0
..
m
..
n
ATTRIBUTE x
The AVAILABLE DATA field will contain the number of bytes of attribute information in the parameter list. If the
parameter list is truncated as a result of insufficient allocation length, the contents of the AVAILABLE DATA field
will not be altered.
6.13.2. ATTRIBUTE LIST service action
The READ ATTRIBUTE command with ATTRIBUTE LIST service action returns parameter data containing the
attribute identifiers for the attributes that are not in the unsupported state and not in the nonexistent state in the
specified partition and volume number. The contents of FIRST ATTRIBUTE IDENTIIER field in the CDB will be
ignored. The returned parameter data will contain the requested attribute identifiers in ascending numerical order
by attribute identifier value and the format shown in Table 6-68.
Table 6-68: READ ATTRIBUTE with ATTRIBUTE LIST service action parameters list format.
Bit
Byte
7 6 5 4 3 2 1 0
0 (MSB)
3
AVAILABLE DATA (n-3)
(LSB)
ATTRIBUTE IDENTIFIER
4 (MSB)
5
ATTRIBUTE IDENTIFIER 0
(LSB)
…
n-1
n
(MSB)
ATTRIBUTE IDENTIFIER x
(LSB)
The AVAILABLE DATA field will contain the number of bytes of attribute in the parameter list. If the parameter list is
truncated as a result of insufficient allocation length, the contents of the AVAILABLE DATA field will not be altered.
An ATTRIBUTE IDENTIFIER field is returned for each attribute that is not in the unsupported state and not in the
nonexistent state in specified partition and volume number.