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Chapter 4 SCSI Commands
READ ATTRIBUTE Command (8Ch)
DLT-S4 Interface Reference Guide
240
specified partition and volume number. The contents of the First
Attribute Identifier field in the CDB are ignored. The returned parameter
data contains the requested attribute identifiers in ascending numerical
order by attribute identifier value and using the format shown in
figure 120
.
Figure 120
READ ATTRIBUTE
with ATTRIBUTE LIST Service
Action — Parameter List
Format
Table 133
READ ATTRIBUTE
with ATTRIBUTE LIST Service
Action Parameter Data — Field
Descriptions
Bit
7
6
5
4
3
2
1
0
Byte
0 — 3
(MSB)
Available Data (
n
– 3)
(LSB)
4 — 5
Attribute Identifier 0
.
.
.
(
n
— 1) —
n
Attribute Identifier
x
Field
Description
Availabl
e Data
Contains 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 are not altered.
Attribute
Identifier
Contains a 2-byte attribute ID. The attribute IDs are listed
in
table 139
on page 245,
table 144
on page 255, and
table
146
on page 257.