Command Descriptor Block
42 T10000: Interface Reference Manual August 2016
Control Byte
The control byte is the last byte of every Command Descriptor Block and has the
following structure:
TABLE 3-6 Control Byte
Byte
Bit
76543210
5/9/11/
15
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).
To Next Page
Loading...
Need help?
General