Overview

Best-in-class CCIX Verification IP (VIP) for your IP, SoC, and system-level design testing.

Cadence provides a mature and comprehensive Verification IP (VIP) for the CCIX specification which is an open standard for a new class of server products that addresses the challenging performance and latency requirements in the growing data center market. Incorporating the latest protocol updates, the Cadence® Verification IP for CCIX provides a complete bus functional model (BFM), integrated automatic protocol checks, and coverage model. Cadence provides a solution for interconnect verification that supports the verification of coherent interconnect. Designed for easy integration in testbenches at IP, system-on-chip (SoC), and system levels, the VIP for CCIX helps you reduce time to test, accelerate verification closure, and ensure end-product quality.

CCIX diagram

Product Highlights

  • Supports seamless integration in SystemVerilog, UVM, OVM, e and SystemC verification environments
  • Comprehensive and complete checking and coverage models
  • Generates constrained-random bus traffic with predefined error injection
  • Callbacks access at multiple TX and RX queue points for scoreboarding and data manipulation
  • Embedded memory and cache models which are settable and accessible via backdoor
  • Packet tracker creation for easy debugging
  • Seamless integration with System Verification Scoreboard (SVD)

Key Features

The following table describes key features from the specifications that are implemented in the VIP:

Feature Name

Description

CCIX Protocol Layer
  • Fully models the CCIX Protocol Layer

CCIX Transport Layer
  • Should be used in conjunction with either CXS or PCIe VIP which model the Transport Layer

TX and RX Channels
  • TX and RX channels simultaneously

Snoop Filter
  • Snoop filter functionality and API at HA agent

Snoop Broadcast
  • Supports snoop broadcast

SA Memory Expansion
  • Supports SA memory expansion

PCIe Header Support
  • PCIe Optimized and Standard Headers

Protocol Credit Control
  • Full control over protocol credits

Dedicated VC
  • Dedicated VC for CCIX traffic that can be configured to
  • Send/Receive vendor-defined messages with CCIX payload
  • Send/Receive CCIX Optimized TLP

Packet Mode (Legacy)
  • Variable packet size used for packing and transmitting messages

Container Mode
  • Packing of messages into 64B containers and passing them to lower layer

Increased Message Credits for CCIX 2.0
  • Increased the number of credits from 2 to 64 for eafurther information.

Simulation Test Suite

VIP comes along with a testsuite of scenarios for easy VIP evaluation and deployment.

Please contact us for further information.

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