Intel® Core™ Ultra Processors for H-series and U-series Platforms CFG and MEM Registers
| ID | Date | Version | Classification |
|---|---|---|---|
| 795258 | 12/14/2023 | Public |
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PASID Capability (PASID_CAP_0_2_0_PCI) – Offset 114
PASID capability reports support for Process Address Space ID(PASID) on Device-2, compliant to PCI-Express PASID ECN.
| Bit Range | Default | Access | Field Name and Description |
|---|---|---|---|
| 15:13 | 0h | RO | Reserved |
| 12:8 | 14h | RO | Maximum PASID Width (MPW) Indicates the width of the PASID field supported by the Endpoint. Hardwired to 14h to indicate support for all PASID values (20 bits). |
| 7:3 | 0h | RO | Reserved |
| 2 | 0h | RO | Privilege Mode Supported (PMS) Hardwired to 0, the Endpoint supports operating in Non-privileged mode only, and will never request privileged mode in requests-with-PASID. |
| 1 | 0h | RO | Execute Permission Supported (EPS) Hardwired to 0, the Endpoint supports requests-with-PASID that requests execute permission. |
| 0 | 0h | RO | Reserved |