Intel® 800 Series Chipset Family Platform Controller Hub (PCH), Volume 2
ID | Date | Version | Classification |
---|---|---|---|
834576 | 10/10/2024 | 001 | Public |
MSI Message Control_ Next Pointer and Capability ID (THC_CFG_MSIMC_MSINP_MSICID) – Offset 50
Bit Range | Default | Access | Field Name and Description |
---|---|---|---|
31:25 | 0h | RO | Reserved (RSVD_31_25) Reserved. |
24 | 0h | RO | Per Vector Masking Capable (PVMC) This function does not support MSI per vector masking |
23 | 1h | RO | 64 bit address capable (XAC) This function is not capable of sending 64 bit message address |
22:20 | 0h | RO | Multiple Message Enable (MMEN) Encoded number of interrupt vectors allocated by SW. Value of zero indicates one vector. |
19:17 | 0h | RO | Multiple Message Capable (MMC) Encoded number of interrupt vectors supported. Value of zero indicates one vector. |
16 | 0h | RW | MSI Enable (MSIE) If set to '1' MSI interrupt delivery is enabled. When this bit is cleared, prior to returning the configuration write completion, the device must send any pending MSI(s). |
15:8 | 70h | RO | Next Item Pointer (NXTP) Indicates the pointer for the next entry in the capabilities list |
7:0 | 5h | RO | Capability ID (CAPID) Indicates the linked list item as being the MSI Capability registers |