SimpleTech ZeusIOPS User Manual
Zeus
IOPS
3.5-Inch Fibre Channel Solid State Drive Product Manual Rev. 1.0
43
M
ODE
S
ENSE
(6) C
OMMAND
(1Ah)
The MODE SENSE (6) command provides a means for a target to report parameters to the initiator.
It is a complementary to the MODE SELECT (6) command. See Tables 19 and 20.
It is a complementary to the MODE SELECT (6) command. See Tables 19 and 20.
A Disable Block Descriptors (DBD) bit of zero indicates that the target may return zero or more block
descriptors in the returned MODE SENSE data, at the target's discretion. A DBD bit of one specifies
that the target shall not return any block descriptors in the returned MODE SENSE data. The page
control (PC) field defines the type of mode parameter values to be returned in the mode pages. The
page code specifies which mode page to return.
descriptors in the returned MODE SENSE data, at the target's discretion. A DBD bit of one specifies
that the target shall not return any block descriptors in the returned MODE SENSE data. The page
control (PC) field defines the type of mode parameter values to be returned in the mode pages. The
page code specifies which mode page to return.
Table 19.
Mode Sense CDB
Bit
Byte
7
6
5
4
3
2
1
0
0
Operation Code (1Ah)
1
Logical Unit Number (RSVD)
Reserve
DBD
Reserved
2
PC
Page Code
3
Reserved
4
Allocation Length
5
Control
Table 20.
Page Code Field Descriptions
Page Code
Description
Subclause
00h
Vendor-specific (does not require page format)
01h - 1Fh
See specific device-types
20h - 3Eh
Vendor-specific (page format required)
3Fh
Return all mode pages