E20425-01 •
Chapter 4 Commands
69
Command Descriptor Block
Control Byte
The control byte is the last byte of every Command Descriptor Block and has
the following structure:
Table 40. Control Byte
Byte
Bit
7
6
5
4
3
2
1
0
5/9/11
Vendor-specific
Reserved Flag
Link
Parameter
Value
Vendor-specific
These bits provide specific information about the device
(shall be zero).
Flag bit
The flag bit causes an interrupt in the initiator between linked
commands allowing the device to respond with Intermediate
status (shall be zero).
Link bit
The link bit allows the initiator to “link” or continue I/O process and
allows devices that support command linking to indicate to the
initiator the command was accepted by returning Intermediate
status to the initiator (shall be zero).
Summary of Contents for Storage Tek T10000
Page 14: ...Tables xiv T10000 Interface Reference Manual January 2011 E20425 01...
Page 18: ...What s New xx T10000 Interface Reference Manual January 2011 E20425 01...
Page 82: ...Private Loop SCSI Target Discovery 64 T10000 Interface Reference Manual January 2011 E20425 01...
Page 286: ...Glossary 268 T10000 Interface Reference Manual January 2011 E20425 01...
