Persistent Reserve In Command
August 2016 Commands 133
Read Reservations Parameter Data
A Persistent Reserve In command with a Service Action of 01h (Read Reservations)
will return information about the currently active persistent reservation.
Read Reservations Descriptors
TABLE 3-86 Read Reservations Parameter Data
Byte
Bit
76543210
0
thru
3
(MSB)
Generation
(LSB)
4
thru
7
(MSB)
Additional Length (n-7)
(LSB)
8
thru
n
(MSB)
Reservation descriptor(s) (see TABLE 3-87)
(LSB)
TABLE 3-87 Reservation Descriptors
Byte
Bit
76543210
0
thru
7
(MSB)
Reservation Key
(LSB)
8
thru
11
(MSB)
Scope-Specific Address
(LSB)
12 Reserved
13 Scope Type
14
thru
15
(MSB)
Obsolete
(LSB)
Parameter Value
Generation A 32-bit counter that is incriminated when persistent reservations
are changed or registration keys are modified.
Additional Length Length of the Reservation Descriptors that follow. This will be 16 if
a persistent reservation is active.
If no persistent reservation is active, this field will be 0 and the
following fields will not be returned.
Reservation Keys Reservation key for the active Persistent Reservation.