12th Generation Intel® Core™ Processors Datasheet Volume 2 of 2
ID | Date | Version | Classification |
---|---|---|---|
767625 | 07/13/2023 | Public |
ATS Capability (ATS_CAP_0_2_0_PCI) – Offset 204
ATS Capability reports support for Device-TLBs on Device-2, compliant to PCI Express ATS specification.
Bit Range | Default | Access | Field Name and Description |
---|---|---|---|
15:7 | 0x0 | RSV | RESERVED (Reserved_0) The field 'Reserved' in register 'ATS Capability' does not have a description in the BXML |
6 | 0x1 | RO | Global Invalidate Supported (GIS) If Set, the Function supports Invalidation Requests that have the Global Invalidate bit Set. If Clear, the Function ignores the Global Invalidate bit in all Invalidate requests.Reserved |
5 | 0x1 | RO | Page Aligned Request (PAR) Hardwired to 1, the Untranslated Address is always aligned to a 4096 byte boundary. Processor Graphics reports value of 1b indicating all VT-d and SVM translations are page-aligned. |
4:0 | 0x0 | RO | Invalidate Queue Depth (IQE) The number of Invalidate Requests that the endpoint can accept before putting back pressure on the upstream connection. Hardwired to 0h, the function can accept 32 Invalidate Requests. |