| Bit | Default | Access Type | Field | Description |
|---|---|---|---|---|
| [31:3] | 0 | NA | Reserved | |
| [2:1] | 0 | RW | c2h_dsc_bypass | C2H descriptor bypass loopback. When set, the C2H descriptor bypass-out
port is looped back to the C2H descriptor bypass-in port. 2'b00: No bypass loopback. 2'b01: C2H MM desc bypass loopback and C2H Stream cache bypass loopback. 2'b10: C2H Stream Simple descriptor bypass loopback. 2'b11: H2C stream 64 byte descriptors are looped back to Completion interface. |
| [0] | 0 | RW | h2c_dsc_bypass | H2C descriptor bypass loopback. When set, the H2C descriptor bypass-out
port is looped back to the H2C descriptor bypass-in port. 1'b1: H2C MM and H2C Stream descriptor bypass loopback 1'b0: No descriptor loopback |