Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification
65
The Common Service Parameters apply to all classes of service and are exchanged during Login. The table below defines the
applicability, by class as well as by PLOGI, FLOGI, PLOGI LS_ACC and FLOGI LS_ACC, of the Common Service Parame-
ters to N_Port and Fabric Login. These are words 1-4 in the Payload..
Table 40:Common Service Parameter applicability (part 1 of 2)
"y" indicates yes, applicable (i.e. has meaning)
"n" indicates no, not applicable (i.e. has no meaning)
* The Class 1 Service Parameters shall be used for Class 6. Each has the same applicability as Class 1.
** E_D_TOV resolution and the corresponding value are only meaningful in a point-to-point topology and when doing
PLOGI with an NL_Port on the same loop.
Service parameter Word Bits
PLOGI and
PLOGI LS_ACC
Parameter
applicability
FLOGI
Parameter
applicability
FLOGI LS_ACC
Parameter
applicability
Class Class Class
1*2341*2341*234
FC-PH Version - Obsolete 1 31-16nnnnnnnnnnnn
Buffer-to-Buffer Credit 1 15-0 yyynyyynyyyn
Common Features 2 31-16
Continuously increasing relative offset 2 31 yyyynnnnnnnn
Clean Address 2 31 nnnnnnnnyyyy
Random relative offset 2 30 yyyynnnnnnnn
Valid Vendor Version Level 2 29 yyyyyyyynnnn
N_Port/F_Port 2 28 yyyyyyyyyyyy
BB_Credit Management 2 27 yyyyyyyynnnn
E_D_TOV Resolution 2 26 y
** y
** y
** y
** nnnnyyyy
Multicast supported by Fabric 2 25 nnnnnnnnyyyy
Broadcast supported by Fabric 2 24 nnnnnnnnyyyy
Hunt Group routing supported by Fabric 2 23 nnnnnnnnyyyy
Simplex Dedicated Connection - Obsolete 2 22 nnnnnnnnnnnn
Reserved for security 2 21 nnnnnnnnnnnn
Clock Synchronization Primitive Capable 2 20 yyyyyyyyyyyy
R_T_TOV Value 2 19 yyyyyyyyyyyy
Dynamic Half Duplex Supported 2 18 yyyyyyyyyyyy
SEQ_CNT 2 17 yyyynnnnnnnn
Payload bit 2 16 yyyyyyyyyyyy