12th Generation Intel® Core™ Processors Datasheet Volume 2 of 2
| ID | Date | Version | Classification |
|---|---|---|---|
| 767625 | 07/13/2023 | Public |
Message Signaled Interrupt Message Control (MSI_MCTL_MMIO) – Offset 8682
Mirror of physical register as MSI_MCTL
| Bit Range | Default | Access | Field Name and Description |
|---|---|---|---|
| 15:9 | 0x0 | RO | Reserved (RSVD) Reserved |
| 8 | 0x0 | RO | Per-Vector Masking Capable (PVM) Specifies whether controller supports MSI per vector masking. Not supported |
| 7 | 0x1 | RO | 64 Bit Address Capable (C64) Specifies whether capable of generating 64-bit messages. This device is 64-bit capable. |
| 6:4 | 0x0 | RW | Multiple Message Enable (MME) Indicates the number of messages the controller should assert. This device supports multiple message MSI. |
| 3:1 | 0x3 | RO | Multiple Message Capable (MMC) Indicates the number of messages the controller wishes to assert. |
| 0 | 0x0 | RW | MSI Enable (MSIE) If set to 1, MSI is enabled and the traditional interrupt pins are not used to generate interrupts. |