User's Guide

Chapter 3 Emulated DLT7000 SCSI Commands
Request Sense (03h)
Quantum DX-Series Software Interface Guide 251
Additional
Sense Code
This field (and the field for Additional Sense Code
Qualifier) provide additional information about the
Sense Key and cause of a CHECK CONDITION
status. Additional Sense Codes are discussed in
detail later in this chapter.
Additional
Sense Code
Qualifier
This field (and the field for Additional Sense Code)
provides additional information about the Sense
Key and cause of a CHECK CONDITION status.
Additional Sense Code Qualifiers are discussed in
detail later in this chapter.
Sub-
Assembly
Code
Not used. Returned as 0.
SKSV Sense-Key Specific Valid. When = 1, indicates that
the Sense Key specific field is as defined by the
International Standard.
C/D Command / Data. When set to 1, this field indicates
that the illegal parameter is contained in the
Command Descriptor Block. A C/D set to 0
indicates that the illegal parameter is in the
Parameter List from the initiator.
BPV Bit Pointer Valid. When set to 1, this field indicates
that the Bit Pointer field is valid and designates
which bit of the byte designated by the field pointer
is in error. For a multi-bit field, it points to the most
significant bit of the field.
Field Pointer This field indicates which byte of the Command
Descriptor Block or Parameter List is in error. For a
multi-byte field, the most significant byte is
indicated.
Internal
Status Code
(VU)
Internal Status Codes (Vendor Unique) are
explained in detail in Appendix A.
Field Name Description