Hardware

Requirement Freescale’s Approach
Multi-Tenancy
Hardware Partitioning
• Separate hardware partition (AMP) per
tenant/OS
• Cores and peripherals dedicated to partitions
Single OS Partitioning
• Data Virtualization
• Single shared address space between tenants
• Process based virtualization
• Set of processes dedicated to a tenant.
• OS virtualization
• Domain isolation (file system, net i/f) between
tenants
Server Virtualization
• Separate virtual machine (VM) and OS per tenant
TM
Hardware (Cores):
Large number of cores – Dedicate cores to tenants
High IPC
Advanced Cache architecture
Hardware hypervisor enablement
Hardware (DPAA)
Dedicate Ethernet Ports to Processes/Virtual Machine.
Sharing of Ethernet Port across multiple tenants.
No Kernel demux of packets – Direct user space access.
Classification of tenant can be done in HW.
Hardware (Accelerators)
Engines can be accessed directly from user space.
Multiple user space daemons can access offload engines.
No Kernel demux required (large number of FQs).
Support for large number of connections.
Software:
USDPAA , Low level APIs to access HW.
KVM / QEMU support in Linux distributions.
UIO Support in Linux to inform interrupts to user space.
Direct Portal access (Memory mapping).
HugeTLBFs Support in Linux
Target: Scalable and Efficient Performance
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