12th Generation Intel® Core™ Processors Datasheet Volume 2 of 2
ID | Date | Version | Classification |
---|---|---|---|
767625 | 07/13/2023 | Public |
Device Control (DCTRL) – Offset 4
The Command register provides coarse control over GMM's abilities like Unsupported Request Error Reporting Enable, Poisoned TLP Error Reporting Enable, Interrupt Disable, Max Aligned Payload Size, Max Aligned Read Request Size, Special Cycle Enable, Bus Master Enable, Memory Space Enable
Bit Range | Default | Access | Field Name and Description |
---|---|---|---|
15 | 0h | RO | Reserved |
14 | 0x0 | RO | Unsupported Request Error Reporting Enable (UNSPREQERREN) Unsupported Request Error Reporting Enable |
13 | 0x0 | RO | Poisoned TLP Error Reporting Enable (PTLPERREN) Poisoned TLP Error Reporting Enable |
12:11 | 0h | RO | Reserved |
10 | 0x0 | RW | Interrupt Disable (INTDIS) Interrupt Disable: |
9:6 | 0h | RO | Reserved |
5 | 0x0 | RO | Max Aligned Payload Size (MXAPAYLDSZ) Max Aligned Payload Size - Reserved |
4 | 0x0 | RO | Max Aligned Read Request Size (MXARDREQSZ) Max Aligned Read Request Size - Reserved |
3 | 0x0 | RO | Special Cycle Enable (SCEN) Reserved per PCI-Express and PCI bridge spec. |
2 | 0x0 | RW | Bus Master Enable (BME) Bus Master Enable: |
1 | 0x0 | RW | Memory Space Enable (MSE) Memory Space Enable |
0 | 0x0 | RO | I/O Space Enable (IOSE) I/O Space Enable. Not implemented. |