User's Guide

Commands: Mode Sense (1Ah) Page 95
Control Mode Page (0Ah)
The Control Mode page allows the host to enable or disable the generation of a
Check Condition when log parameters whose ETC bits are set to 1 meet their
Threshold Condition. (Refer to the LOG SELECT command and the LOG SENSE
command.) The layout of this page is shown in the following table.
Byte
Bits
7 6 5 4 3 2 1 0
0 0 0 Page Code (0Ah)
1 Page Length (06h)
2 0 0 0 0 0 0 0 RLEC
3 0 0 0 0 0 0 0 DQUE
4 0 0 0 0 0 0 0 0
5 0 0 0 0 0 0 0 0
6 0 0 0 0 0 0 0 0
7 0 0 0 0 0 0 0 0
Control Mode Page Field Descriptions
The following table describes the fields in the Control Mode page.
Field
Name Bytes Description
Page Code 0 The Page Code field must be set to 0Ah to select this page.
Page
Length
1 The Page Length field must be set to six (06h), which indicates that 6
parameter bytes follow the Page Length byte.
Report Log
Exception
Condition
(RLEC)
2 A Report Log Exception Condition (RLEC) bit of 1 specifies that the target
reports log exception conditions. A RLEC bit of 0 specifies that the target does
not report log exception conditions. The default is 0.
Tagged
Queuing
(DQUE)
3 The Tagged Queuing (DQUE) bit flag must be set (1), which specifies that
Tagged Queuing is disabled.
Data Compression Control Page (0Fh)
The Data Compression (DC) Control page returns the last values set by the host
with a MODE SELECT command for data compression control. Also, refer to the
MODE SELECT command Data Compression Control page.
The following table illustrates the DC Control page.
Byte
Bits
7 6 5 4 3 2 1 0
0 0 0 0 0 1 1 1 1
1 Page Length (0Eh)
2 DCE DCC 0 0 0 0 0 0
3 DDE | RED | 0 0 0 0 0
4 Compression Algorithm
5 Compression Algorithm
6 Compression Algorithm
7 Compression Algorithm