12th Generation Intel® Core™ Processors Datasheet Volume 2 of 2
ID | Date | Version | Classification |
---|---|---|---|
767625 | 07/13/2023 | Public |
Message Signaled Interrupt Message Control (MC) – Offset 92
This register is defined to meet PCI Local Bus Specification 3.0 Section 6.8 definition of MSI messages.
Bit Range | Default | Access | Field Name and Description |
---|---|---|---|
15:9 | 0h | RO | Reserved |
8 | 0x0 | RO | Per-Vector Masking Capable (PVMCAP) Per-Vector Masking Capable. |
7 | 0x0 | RO | 64-bit Address Capable (ADDR64CAP) 64-bit Address Capable |
6:4 | 0x0 | RW | Multiple Message Enable (MMEN) Multiple Message Enable |
3:1 | 0x0 | RO | Multiple Message Capable (MMCAP) Indicates to SW the number of vectors that the GMM module is requesting for use |
0 | 0x0 | RW | MSI Enable (MSIEN) MSI Enable Controls the ability of GMM to generate MSI Messages. A device driver is prohibited from writing this bit to mask a functions service request. 0: MSI will not be generated 1: MSI will be generated. INTA will not be generated and INTA status is not set. |