TPH ST Table @0x28c
This table stores the Steering Tags for the TPH Capability. This table has eight entries per Function, each 16 bits long. Two of these entries occupy each 32-bit word of the table. Each of the entries can be read/written through the link (by a Configuration transaction) or through the local management bus.
| Bits | SW | Name | Description | Reset |
|---|---|---|---|---|
| 7:0 | R/W | ST Lower 0 [STL0] | Lower 8 bits of the first Steering Tag. This is the 8- bit Steering Tag sent out in requests. | 0x0 |
| 15:8 | R | ST Upper 0 [STU0] | This field is used for the upper 8 bits of the first Steering Tag when Extended TPH Requester support is enabled. | 0x0 |
| 23:16 | R/W | ST Lower 1 [STL1] | Lower 8 bits of the second Steering Tag. This is the 8-bit Steering Tag sent out in requests. | 0x0 |
| 31:24 | R | ST Upper 1 [STU1] | This field is used for the upper 8 bits of the second Steering Tag when Extended TPH Requester support is enabled. | 0x0 |