ATS Page Request Capability Header Register @0x640
Page Request Extended Capability Structure is used to configure the Page Request Interface mechanism.
| Bits | SW | Name | Description | Reset |
|---|---|---|---|---|
| 15:0 | R | Page Request Extended Capability ID [ATSPRCAPID] | Indicates that the associated extended capability structure is a Page Request Extended Capability. This field must return a Capability ID of 0013h. | 0x0013 |
| 19:16 | R | ATS Page Request Capability Version [ATSPRCAPVER] | This field is a PCI SIG defined version number that indicates the version of the Capability structure present. | 0x1 |
| 31:20 | R | ATS PR Next Capability Offset [ATSPRNXCAP] | The offset to the next PCI Extended Capability structure. | 12'h900 |