SCSI Primary Commands - 2.pdf

18 July 2001 T10/1236-D Revision 20c) If current values are requested and the current values of the mode parameters have not been sent by theapplication client (via a MODE SELECT command), the device server may return either the default orsaved values, as defined above. If current values have been sent, the current values shall be reported.7.9 MODE SENSE(10) commandThe MODE SENSE(10) command (see table 65) provides a means for a device server to report parameters to anapplication client. It is a complementary command to the MODE SELECT(10) command. Device servers thatimplement the MODE SENSE(10) command shall also implement the MODE SELECT(10) command.Table 65 — MODE SENSE(10) commandBitByte7 6 5 4 3 2 1 00 OPERATION CODE (5Ah)1 Reserved LLBAA DBD Reserved2 PC PAGE CODE3 Reserved4 Reserved5 Reserved6 Reserved7 (MSB)ALLOCATION LENGTH8 (LSB)9 CONTROLIf the Long LBA Accepted (LLBAA) bit is one, the device server is allowed to return parameter data with theLONGLBA bit equal to one (see 8.3.3). If LLBAA is zero, the LONGLBA bit shall be zero in the parameter data returnedby the device server.See the MODE SENSE(6) command (7.8) for a description of the other fields and operation of this command.dpANS SCSI Primary Commands - 2 (SPC-2) 103