Visible to Intel only — GUID: gqd1700109065558
Ixiasoft
Visible to Intel only — GUID: gqd1700109065558
Ixiasoft
7.3.1.14. D-STATE STS
The application layer can use this register to obtain the D-State values of each function. It should write appropriate values to the PF Number, VF Number, VF Active and Slot Number fields first before issuing a read to obtain the D-State value of the corresponding function.
Default Value: 0x0000_0000
Register Name | Bit | Attribute User Side | Description |
---|---|---|---|
D-STATE STS | 4-0 | RW | PF Number Indicates Physical Function Number of Interrupt
Note: Current Quartus release limits to max 8 PFs only.
|
5 | RsvdZ | Reserved | |
16-6 | RW | VF Number Indicates Virtual Function Number of Interrupt. |
|
17 | RsvdZ | Reserved | |
18 | RW | VF Active Indicates Virtual Function is generating Interrupt. |
|
23-19 | RW | Slot Number Indicates Slot Number of function generating Interrupt. |
|
27-24 | RsvdZ | Reserved | |
31-28 | RO | D-State Value Power Management D-State for each function per PF, VF, VF Active and Slot Number settings above. 0000: Uninitialized or Invalid 0001: D0 0010: D1 0100: D2 1000: D3 |