5.4 Command Protocol

SLEEP

DEVICE CONFIGRATION RESTORE

DEVICE CONFIGRATION FREEZE LOCK

WRITE UNCORRECTABLE EXT

The following is the protocol for command execution without data transfer:

1)The device receives a non-data command with the RegHD FIS.

2)The device executes the received command.

3)Command execution is completed.

4)The device reports the completion of command execution by sending to the host the RegDH FIS with 1 set in the I bit.

 

 

 

 

 

Host

 

RegHD

 

Device

 

 

 

 

 

 

 

 

 

RegDH

 

 

 

 

 

 

 

 

 

 

 

 

Figure 5.13 Non-data command protocol

C141-E280

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