| Bits | Field Name | Description | Default |
|---|---|---|---|
| 8:0 | PRG index | Page request group index. This field contains a function provided index to which the root port is responding. A given PRG index will receive exactly one response per instance of PRG (with the possible exception of a response failure). | 9'd0 |
| 15:12 | Response code |
Contains the response type of the associated PRG.
0000b: Success
0001b: Invalid request
1110b: 0010b: Unused
1111b: Response failure
A detailed description of each response code is available in PCIe
Specification.
|
4'd0 |
| 31:16 | Destination ID | Destination device ID. | 16'd0 |