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PLX3x Series ♦ Multi-Protocol Gateways EIP Protocol
User Manual
ProSoft Technology, Inc. Page 71 of 215
January 25, 2018
5.3.2 EIP Status Data in Upper Memory
The EIP driver has an associated status data area located in the PLX3x
gateway
’s upper memory. The
Data Map functionality of the PLX3x gateway can
be used to map this data into the normal user data range of the PLX3x gateway
’s
database.
Note that all the status values are initialized to zero (0) at power-up, cold boot
and during warm boot.
EIP Client Status Data
The following table lists the addresses in upper memory the PLX3x gateway
stores general error and status data for each EIP connected and unconnected
client:
EIP Client Address Range
Connected Client 0 7900 through 7909
Connected Client 1 8100 through 8109
Unconnected Client 0 12800 through 12809
The content of each client’s status data area is structured in the same way. The
following table describes the content of each register in the status data area:
Offset Description
0 Number of Command Requests
1 Number of Command Responses
2 Number of Command Errors
3 Number of Requests
4 Number of Responses
5 Number of Errors Sent
6 Number of Errors Received
7 Reserved
8 Current Error Code
9 Last Error Code
EIP Client Command List Error Data
The PLX3x gateway stores a status/error code in upper memory for each
command in each EIP client’s command list. The following table lists the
addresses in upper memory where the gateway stores the command list error
data for each EIP client:
EIP Client Address Range
Connected client 0 7910 through 8009
Connected client 1 8110 through 8209
Unconnected client 0 12810 through 12909