SR-IOV Extended Capability Header Register @0x200
This location contains the PCI Express Extended Capability ID for SR-IOV and the offset to the next capability block.
| Bits | SW | Name | Description | Reset |
|---|---|---|---|---|
| 15:0 | R | PCI Express Extended Capability ID [PECID] | This field is hardwired to the Capability ID assigned by PCI SIG to the SR-IOV Extended Capability Structure (0010 hex). | 0x0010 |
| 19:16 | R | Capability Version [CV] | Specifies the SIG-assigned value for the version of the capability structure. This field is set by default to 1, but can be modified independently for each Function from the local management bus. | 0x1 |
| 31:20 | R | Next Capability Offset [NCO] | Indicates offset to the next PCI Express capability structure. The default next pointer value is dynamic and is dependent on whether the strap or LMI bits are set. | 12'h274 |