Mode Sense (10); Table 6-45 Mode Sense (10) Command - Sun Microsystems storagetek sl500 Reference Manual

Mode Sense (10)

Mode Sense (10)
The 10-byte Mode Sense command (5Ah) enables the library to report its operating
mode parameters to the initiator.

TABLE 6-45 Mode Sense (10) Command

Byte 7
0
1
2 Page Control
3
4 (MSB)
to
6
7 (MSB)
to
8
9
Mode Sense (10) Command Definitions:
LLBA
DBD
Page Control
142 SL500: Interface Reference Manual • July 2008
6 5
Operation Code (5Ah)
Ignored
SubPage Code (00h)
Allocation Length
The library returns a value of 0, indicating the LONGBLA bit shall be zero in
the parameter data returned by the library.
Disable Block Descriptors is ignored.
Defines the type of parameters to be returned for the Mode Sense command,
values include:
0h (00b) = Current Values:
The library returns the current parameter values, including:
Parameters set in the last successful Mode Select command.
Default values if saved values are unavailable or invalid.
Saved values if a MODE command has not been executed since the last power-
on, interface reset, or Bus Device Reset.
1h (01b) = Changeable Values:
The library returns the changeable parameter masks.
All requested pages are returned
Pages indicate which parameters are changeable by the initiator
All bits of changeable parameters are set to 1
All bits of parameters that are not changeable are set to 0
Bit
4 3
LLBA DBD
(0)
Page Code
Reserved
Control Byte
2 1 0
Reserved
(0)
(LSB)
(LSB)
Revision: F • 96122