Datasheet

Fibre Channel Interface
1-82 C141-C008
(3) CDB [PL:W03-06]
SCSI CDB is entered in the field.
− The field is 16 byte length any time and the drive does not check an
unused area of this field occurred by SCSI Command Type.
− If Task Management Flag set, this field is invalid.
For details of CBD, refer to 1.9.1.2 Command Descriptor Block.
(4) Additinonal_FCP_CDB [PL:W07_n]
The drive ignores this field.
(5) Data length (FCP_DL) [PL:Wn+1]
Descripting the maximum data transfer available value in byte unit defined
CDB in this frame.
The drive is compared with the transfer length, this field and data, in
FCP_RSP
− FCP_DL > (data transfer length)
set FCP_RESID_UNDER=1
− FCP_DL > (data transfer length)
set FCP_RESID_OVER=1
− FCP_DL = (data transfer length)
set FCP_RESID_UNDER/OVER=0, 0
1.9.1.1 Control field (FCP_CNTL)
bit 76543210
WD Byte
20
Reserved
1 Reserved Task Attribute
2
Obso-
lete
Clear
ACA
Target
Reset
Logical
Unit
Reset
Reserv-
ed
Clear
Task Set
Abort
Task Set
Reserv-
ed
3 Reserved RD
Data
WT
Data
Figure 1.47 Control field (FCP_CNTL)