Intel CM8063501287403 Manual De Usuario

Intel® Xeon® Processor E5-1600 v2/E5-2600 v2 Product Families

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Datasheet Volume One of Two

 

partitions in the same operating system, or there can be multiple operating system 

instances running on the same system – offering benefits such as system 
consolidation, legacy migration, activity partitioning or security.

The processor supports the following Intel VT-d features:

• Root entry, context entry, and default context
• Support for 4-K page sizes only
• Support for register-based fault recording only (for single entry only) and support 

for MSI interrupts for faults

— Support for fault collapsing based on Requester ID

• Support for both leaf and non-leaf caching
• Support for boot protection of default page table

— Support for non-caching of invalid page table entries 

• Support for hardware based flushing of translated but pending writes and pending 

reads upon IOTLB invalidation.

• Support for page-selective IOTLB invalidation.
• Support for ARI (Alternative Requester ID - a PCI SIG ECR for increasing the 

function number count in a PCIe device) to support IOV devices.

• Improved invalidation architecture
• End point caching support (ATS)
• Interrupt remapping

The processor supports the following Intel VT Processor Extensions features:

• Large Intel VT-d Pages

— Adds 2 MB and 1 GB page sizes to Intel VT-d implementations 
— Matches current support for Extended Page Tables (EPT)
— Ability to share CPU's EPT page-table (with super-pages) with Intel VT-d
— Benefits: 

• Less memory foot-print for I/O page-tables when using super-pages
• Potential for improved performance -  Due to shorter page-walks, allows 

hardware optimization for IOTLB 

• Transition latency reductions expected to improve virtualization performance 

without the need for VMM enabling. This reduces the VMM overheads further and 

increase virtualization performance.

Intel TXT defines platform-level enhancements that provide the building blocks for 
creating trusted platforms.