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Command Specifications
200 C141-C013
Table 4.29 Persistent reservations type codes
Code Name Description
0h Reserved
Reads Shared: Any INIT can execute a read-type command. 1h Write
Exclusive
Writes Exclusive: Any write-type command that is issued by an INIT
other than the INIT holding this reservation state
results in a Reservation Conflict.
2h Reserved
Reads Shared: Any read-type command that is issued by an INIT
other than the INIT holding this reservation state
results in a Reservation Conflict.
3h Exclusive
Access
Writes Exclusive: Any write-type command that is issued by an INIT
other than the INIT holding this reservation state
results in a Reservation Conflict.
4h Reserved
Reads Shared: Any INIT can execute a read-type command. 5h Write
Exclusive-
Registrants
Only
Writes Exclusive: Any write-type command issued by an INIT that
has not registered the Reservation Conflict results
in a Reservation Conflict.
Reads Exclusive: Any read-type command issued by an INIT that
has not registered the Reservation Conflict results
in a Reservation Conflict.
6h Exclusive
Access-
Registrants
Only
Writes Exclusive: Any write-type command issued by an INIT that
has not registered the Reservation Conflict results
in a Reservation Conflict.
7h-Fh Reserved