Teledyne Z2-16 User Manual

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PROTOCOL SOLUTIONS GROUP
3385 SCOTT BLVD
SANTA CLARA, CA 95054
Summit Z2-16
PCI Express Multi-Lane Exerciser
For Software Version 6.7x
June 2013
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Summit Z2-16 Exerciser User Manual
Document Disclaimer
The information in this document has been carefully checked and is believed to be reliable. However, no responsibility can be assumed for inaccuracies that may not have been detected.
Teledyne LeCroy reserves the right to revise the information in this document without notice or penalty.
Trademarks and Servicemarks
Teledyne LeCroy, CATC Trace, PCI Express, PETracer Edge, PETracer EML, PETracer ML, PETracer, PETrainer EML, PETrainer ML, PETracer Summit, Summit T2-16, Summit Z2-16, Universal Protocol Analyzer System, UPAS, and BusEngine are
trademarks of Teledyne LeCroy.
Microsoft and Windows are registered trademarks of Microsoft Inc.
All other trademarks are property of their respective companies.
Copyright
© 2012 Teledyne LeCroy, Inc. All Rights Reserved.
This document may be printed and reproduced without additional permission, but all copies should contain this copyright notice.
WEEE Program
Teledyne LeCroy
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Summit Z2-16 Exerciser User Manual

TABLE OF CONTENTS

Section 1. General. . . . . . . . . . . . . . . . . . . . . 1
Chapter 1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.1 Summit Z2-16 Exerciser Hardware . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.2 Summit Z2-16 Exerciser . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
1.3 Other Documents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Chapter 2 Hardware Description . . . . . . . . . . . . . . . . . . . 7
2.1 System Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.2 Host Machine Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.3 Summit Z2-16 Exerciser . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.4 Summit Z2-16 Front Panel Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Displays. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2.5 Summit Z2-16 Rear Panel Description . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Chapter 3 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.1 Installing the PETracer Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.2 Setting Up the Summit Z2-16 Exerciser using an Ethernet Connection . . 15
Connecting to a Summit Z2-16 Exerciser in the Local Network . . . . . . 15
3.3 Setting Up the Summit Z2-16 Exerciser using a USB Connection . . . . . . 18
3.4 Connecting Summit Z2-16 to the DUT . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Device Emulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Host Emulation Test Fixture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Final Steps: Power on the Exerciser and then DUT . . . . . . . . . . . . . . . 22
3.5 Connecting Summit Z2-16 to a T2-16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Section 2. Exerciser Traffic Generation . . 25
Chapter 4 Traffic Generation . . . . . . . . . . . . . . . . . . . . . 27
4.1 Theory of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
4.1 Traffic Generation Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
4.2 Creating a Traffic Generation File . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Exporting a CATC Trace to a Traffic Generation File . . . . . . . . . . . . . . 31
Saving a Script to a New File . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Creating a New Empty Generation File. . . . . . . . . . . . . . . . . . . . . . . . . 33
4.3 Editing Generation Files with the Script Editor . . . . . . . . . . . . . . . . . . . . . 34
Script Editor Toolbar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Script Edit Window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Command Properties Window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Script Editor File Tabs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Script Editor Error Log. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
View Options Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
4.4 Generation Options Dialogs Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Opening the Dialog . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
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4.5 Generation Options for Summit Z2-16. . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Link . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Integrity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Flow Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Transactions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
4.6 Generating Traffic: Set Generation Options . . . . . . . . . . . . . . . . . . . . . . . 51
4.7 Generating Traffic: Prepare Traffic Generation . . . . . . . . . . . . . . . . . . . . . 52
4.8 Generating Traffic: Begin Traffic Generation . . . . . . . . . . . . . . . . . . . . . . . 53
Chapter 5 Macros . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
5.1 Macros. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Default Macros: Connect and Disconnect. . . . . . . . . . . . . . . . . . . . . . . 55
5.2 Adding New Script Macros . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Using the Generation Macros Dialog . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Adding Script Files to the GenScriptMacros Directory . . . . . . . . . . . . . 57
5.3 Modifying Script Macros . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
5.4 Changing the Order of Macro Icons on the Status Bar . . . . . . . . . . . . . . . 58
5.5 Deleting User-Defined Script Macros . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
5.6 Restoring the Default Appearance of the Connect and Disconnect Icons. 59
Chapter 6 Configuration Space . . . . . . . . . . . . . . . . . . . 61
6.1 Configuration Space Editor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
6.2 Launching the Configuration Space Editor . . . . . . . . . . . . . . . . . . . . . . . . 61
Configuration Space Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Editing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
6.3 BARs Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
6.4 Configuration Read and Write . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Chapter 7 Address Spaces. . . . . . . . . . . . . . . . . . . . . . . 67
7.1 Memory/IO Space Editor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
7.2 Memory Region for Host Emulation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Chapter 8 Updates and Licensing . . . . . . . . . . . . . . . . . 69
8.1 Updating the Exerciser . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
8.2 License Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
8.3 License Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
Appendix A Configuration Space Decoding . . . . . . . . . . 71
A.1 Mandatory Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
A.2 Mandatory Module Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
A.3 Configuration Register Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
A.4 Primitives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
A.5 Helper File. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Appendix B China Restriction of Hazardous Substances
Table74
How to Contact Teledyne LeCroy . . . . . . . . . . . . . . . . . . 75
Index 77
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Summit Z2-16 Exerciser User Manual Section 1

Section 1. General

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Chapter 1: Overview

Designed for developers and validators, the Teledyne LeCroy Summit Z2-16™ is a Gen1/Gen2 PCI Express advanced verification system.
By leveraging years of experience in protocol analysis tools for emerging markets, Summit Z2-16 blends sophisticated functionality with practical features to speed the development of PCI Express™ IP cores, semiconductors, bridges, switches, add-in boards, and systems.

1.1 Summit Z2-16 Exerciser Hardware

Features and Benefits
Summit Z2-16 Exercisers have these features and benefits
Features Benefits
Bidirectional x1-x16,
2.5 GBps to 5.0 GBps generation support
Script level traffic generation Programmability to test PCI Express components with
Manual Error injection Verify fault handling and identify error recovery
Host/End-Point Emulation Support Host emulation platform/end-point emulation
Programmable Physical Layer Flexibility to program lane skews, link control bits, skip
Programmable Data Link Layer Ability to modify flow control, ACK/NAK, and retry
Flexible/programmable Transaction Layer User ability to define arbitrary sequence of
Accurate generation of PCI Express bus traffic
more precision and control
Interposer allows for design and stress testing.
intervals and link states for more robust verification
behaviors
transactions, payload generation, and conditional repeat of transactions provide users with maximum flexibility
Point and Click Script Editor Complex scripts can be created quickly and easily
Read/modify/playback capability Allows automatic generation of Exerciser scripts
based on a captured CATC Trace recording.
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Programmable ACK/NAK behavior ACK all TLP packets
NAK all TLP packets Automatic ACK/NAK behavior ACK/NAK delay timer
Programmable Flow control behavior Set Credit values
Disable Credit checking Set Update FC intervals
Automatic CRC calculation and Sequence number assignment
Replay buffer Programmable Transaction timeout timer
Programmable configuration space
Endpoint memory emulation Up to 1 GB memory accessible through memory read
Fast Transit module Special hardware-accelerated module to increase
DLLP CRC calculation TLP LCRC calculation
Auto Recovery behavior after 4 Replays
Full 4 KB configuration space configurable by user Accessible through Configuration Reads and Writes
over PCI Express
and write
link utilization
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1.2 Summit Z2-16 Exerciser

Teledyne LeCroy Summit Z2-16, a Gen2 PCI Express 16-lane advanced Exerciser system, is a critical test and verification tool intended to assist engineers in improving the reliability of their systems. It can emulate PCI Express root complexes or device endpoints. You can test PCI Express IP cores, semiconductors, bridges, switches, and systems.
The Summit Z2-16 is a stand-alone PCI Express Exerciser that can generate and respond to all types of PCI Express transactions. The scripting language allows creation of Transaction Layer Packets (TLPs), Data Link Layer Packets (DLLPs) and Ordered Sets. ACK's and NAK's can be automatically generated under user control.
A Configuration Space can be easily created using the Configuration Space Editor.
The scripting language is powerful yet easy to use. One way to create test scripts is to export traffic from a CATC Trace file captured with Teledyne LeCroy PETra c er. You can then modify the exported script to generate different test cases, insert errors, or create loop tests. The “point and click” capability of the script editor simplifies modifying or creating scripts.

1.3 Other Documents

For more information, refer to the following documents:
Teledyne LeCroy Analyzers File-based Decoding Manual
PETracer/Trainer Automation Manual
PETracer VSE Manual
PETracer Gen2 Multi Lead Probe User Manual
PETrainer Scripting Language Reference Manual
•PETracer Online Help
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Chapter 2: Hardware Description

The PCI Express™ system features Summit Exercisers.

2.1 System Components

Summit Z2-16 exerciser system:
Summit Z2-16™ exerciser box
One or two (for x8 or x16 recording) probe data cables
x16 to x1 Edge Adapter
x16 to x4 Edge Adapter
x16 to x8 Edge Adapter
•PETracer Software program CD-ROM
Device Emulator Card or Host Emulation Test Fixture

2.2 Host Machine Requirements

Summit Z2-16 connects to a host machine. Please consult the readme file on the installation CD for the latest host machine requirements.
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2.3 Summit Z2-16 Exerciser

A Multi-lane PCI Express Exerciser is designed to assist engineers in improving reliability of their solutions and providing advanced capabilities for stress and compliance testing.
Summit Z2-16: x1 through x16 lane system
All models operate as standalone Exercisers capable of generating and responding to all types of PCI Express transactions. Exercisers also have the ability to create protocol variations and anomalies. Users may also create corner case and stress test scenarios to evaluate the robustness of their solutions. By utilizing the error injection feature, engineers can create worst-case PCI Express traffic scenarios allowing them to validate the error handling capabilities of their solutions.
When used in conjunction with an Analyzer, a complete expert test and analysis system is created. This integrated solution delivers traffic generation and expert protocol analysis to assist developers with early validation of designs along with error injection and stress testing in preparation for compliance testing.
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2.4 Summit Z2-16 Front Panel Description

When powered on, the Summit Z2-16 Exerciser activates the user-accessible controls and LEDs on the front and rear panels.
Warning! Do not open the enclosure. There are no operator serviceable parts inside.
Refer servicing to Teledyne LeCroy.
Figure 2.1 Summit Z2-16 Front Panel
Power Switch
On/Off switch.

Outputs

To Device (15:8) Connector
Connects Summit Z2-16 to Device Emulator or Host Emulator (lanes 15:8).
Reference Clock In Connector
Connects external reference clock source to Summit Z2-16.
To Device (7:0) Connector
Connects Summit Z2-16 to Device Emulator or Host Emulator (lanes 7:0).
To Analyzer (15:8) Connector
Connects to PETracer Summit or Summit T2-16 Analyzer (lanes 15:8). This is an optional connection for users adding a PETrac e r Summit or Summit T2-16 Analyzer to their setup.
Reference Clock Out Connector
Provides external reference clock output.
To Analyzer (7:0) Connector
Connects to PETracer Summit or Summit T2-16 Analyzer (lanes 7:0). This is an optional connection for users adding a PETrac e r Summit or Summit T2-16 Analyzer to their setup.
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Displays

Screen
Displays the setup and activity.
Up-Arrow Button
Scroll the screen up.
Select Button
Push to select the current screen item.
Down-Arrow Button
Scroll the screen down.
Link Speed LED
Indicates link speed: blue = 2.5 GT/s or red = 5.0 GT/s.
Link State LED
Indicates state of the link between the Exerciser and the DUT: blue = good or red = error.
Status LED
Indicates status of the Exerciser: blue = good or red = error.
Manual Action Button
(Not used at this time)
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2.5 Summit Z2-16 Rear Panel Description

From left to right, the Summit Z2-16 rear panel contains the following components:
Figure 2.2 Summit Z2-16 Rear Panel
Wide-range AC Connector Module
Power on/off switch
Enclosed 5x20 mm 2.0A 250 V fast acting glass fuse
Power socket
Warning! For continued protection against fire, replace fuse only with the type and
rating specified above.
Sync In and Sync Out Connectors
(not currently active) These connectors allow multiple Summit T2-16 or Summit Z2-16 analyzers to send synchronization and control messages to one another.
USB Type B Host Machine Connector
This connector links an Analyzer to the host machine for the purpose of transmitting commands from the host machine to the Analyzer and uploading traces from the Analyzer’s recording memory to the PETracer software for viewing and analysis. This connector links an Exerciser to the host machine for the purpose of downloading scripts and controlling the behavior of the Exerciser. Note: For each Analyzer or Exerciser, use either USB or Ethernet, not both.
Ethernet Port
GIGE Connectivity allows connection to an Ethernet network and sharing of Analyzer/Exerciser resources by multiple engineers. Note: For each Analyzer or Exerciser, use either USB or Ethernet, not both.
BNC Connectors Trigger In and Trigger Out
These BNC connectors allow the Analyzer to transmit or receive trigger event signals. Tri gger In can receive a signal from another device and use that signal to trigger the recording. Conversely, the Trigger Out connector can send an output signal from the Analyzer to another device.
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RS-232 25-pin Data Input/Output Connector
This connector is not used by Summit Z2-16.
Teledyne LeCroy Bus Connector
The Teledyne LeCroy Bus Connector is not currently active.
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Chapter 3: Installation

Summit Z2-16™ is a stand-alone system.
You can begin traffic generation after following the steps in this chapter.

3.1 Installing the PETracer Software

PETracer software operates all of Teledyne LeCroy’s PCI Express protocol Analyzer and Exerciser products:
The PETracer software is installed on a Microsoft serves as the interface for the Exerciser and/or Analyzer. An Exerciser enables traffic generation features.
To install the PETracer software on the host machine:
Step 1 Insert the CD into the CD ROM drive of the PC that controls the
Exerciser. The installation window opens and displays links to the PETracer software, user manuals, a readme file, and Acrobat Reader.
Step 2 Select Install Software and follow the on-screen instructions.
®
Windows®-based host machine and
The PETracer software installs automatically on the host machine’s hard disk. During installation, all necessary USB drivers are loaded automatically. Drivers included in the installation are:
summit.sys: Summit T2-16/Summit Z2-16 driver
Step 3 To start the application, launch the PETracer program from the Start
menu:
Start > Programs > LeCroy > PETracer > LeCroy PETracer
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The PETracer program opens:
Note: The software may be used with or without the Exerciser or Analyzer. When
used without an Exerciser or Analyzer attached to the computer, the program functions as a CATC Trace Viewer to view, analyze, and print captured traffic.
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3.2 Setting Up the Summit Z2-16 Exerciser using an Ethernet Connection

Step 1 Remove the Exerciser from its shipping container.
Step 2 Connect the Exerciser to a 100-volt to 240-volt, 50 Hz to 60 Hz,
120 W power outlet using the provided power cord.
Note: The Exerciser is capable of supporting supply voltages between 100 volts and 240 volts, 50 Hz or 60 Hz, thus supporting all known supply voltages around the world.
Step 3 Connect the Ethernet cable between the Ethernet port on the back of the
Exerciser and a Ethernet port (hub, switch or wall) in your local network. Continue with Step 4 below.
Note on USB: To connect using USB, see “Setting Up the Summit Z2-16 Exerciser using a USB Connection” on page 18.
Step 4 Turn on the rear power switch and the front power switch.
Note: At power-on, the Exerciser initializes itself in approximately five seconds
and performs an exhaustive self-diagnostic that lasts about forty seconds. The results are reflected by messages on the Summit Z2-16 LCD display (see “Summit Z2-16 Front Panel Description” on page 9). If the LCD display indicates failure, call Teledyne LeCroy Customer Support for assistance.

Connecting to a Summit Z2-16 Exerciser in the Local Network

After you have installed the PETra c e r application software, perform the following procedure to connect to a Summit Z2-16 Exerciser in the local network.
Step 1 Select the Setup > All connected devices… menu in the PETracer
application to display the Analyzer Devices dialog.
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The PETracer software fills the list with devices that are connected over USB or discovered on the Ethernet network. The discovery mechanism works only within one network subnet. If a Summit is connected to the network on a different subnet, you can manually add the subnet to the list by clicking the Add Device button and specifying the IP address.
The Summit devices in the list are marked:
Locked: Some other client on the network is already connected to that device
Ready to connect: Available for connection
Step 2 If a Summit device is marked Ready To Connect, you can select that
device and press the Connect button to execute the connection procedure.
After the connection is established, the application displays the Connection Properties dialog:
Step 3 Select an option:
Automatically connect to the device: When the application is started or when the named device is added to the network while the PETracer application is running on this computer, the PETracer application will try to connect to the named device.
Ask if I want to connect to the device: When the application is started or when the named device is added to the network while the PETracer application is running on this computer, the PETracer application will display a message box allowing you to connect to the named device.
Take no action: When you start the application or when you want to add the named device to the network while the PETracer application is running on this computer, you must connect manually to use the named device.
Note: When you close the application on this computer (or you perform manual
disconnect), the application disconnects from the device.
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Step 4 Press OK in the Connection Properties dialog.
After you finish the connect procedure, the Summit device to which you have connected is marked as Ready and you can use it for recording:
Note: To disconnect from a device, display this dialog, select the device, and click
the Disconnect button.
Warning! Do not change from USB to Ethernet, or back, without power cycling the Analyzer/Exerciser.
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3.3 Setting Up the Summit Z2-16 Exerciser using a USB Connection

To set up the Exerciser using a USB connection:
Step 1 Remove the Exerciser from its shipping container.
Step 2 Insert the Installation CD.
Step 3 Connect the Exerciser to a 100-volt to 240-volt, 50 Hz to 60 Hz,
120 W power outlet using the provided power cord.
Note: The Exerciser is capable of supporting supply voltages between 100 volts and 240 volts, 50 Hz or 60 Hz, thus supporting all known supply voltages around the world.
Step 4 Connect the USB port to a USB port on the host machine using a USB
cable. Go to Step 4 below.
Note on Ethernet: To connect using Ethernet, see “Setting Up the Summit Z2-16 Exerciser using an Ethernet Connection” on page 15.
Step 5 Turn on the rear power switch and the front power switch.
Note: At power-on, the Exerciser initializes itself in approximately five seconds
and performs an exhaustive self-diagnostic that lasts about forty seconds. The results are reflected by messages on the Summit Z2-16 LCD display (see “Summit Z2-16 Front Panel Description” on page 9). If the LCD display indicates failure, call Teledyne LeCroy Customer Support for assistance.
Step 6 Click Next after you see the Add New Hardware Wizard window.
Step 7 Follow the Microsoft
for the automatic installation of the Exerciser as a USB device on your analyzing host machine. (The required USB files are included on the Installation CD.)
Step 8 Click Finish when you see the message that says “Windows has
finished installing the software that your new hardware requires” and the file has been installed in your host machine.
Warning! Do not change from USB to Ethernet, or back, without power cycling the Analyzer/Exerciser.
®
Windows® on-screen Plug-and-Play instructions
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3.4 Connecting Summit Z2-16 to the DUT

The Summit Z2-16 Exerciser can test both the host and device sides of a PCI Express link through the use of two types of adapter:
Motherboards and host controllers: Using a device emulator. A device emulator is an adapter card that fits into motherboards and other slotted PCI Express devices.
PCI Express add-on cards: Using a host emulation test fixture. A host emulation test fixture is a box-like adapter with a slot for testing PCI Express cards.
Both of these test devices can be purchased from Teledyne LeCroy.

Device Emulator

Figure 3.3 Summit Z2-16 Exerciser (bottom) connected to a
Device Emulator (top).
The Teledyne LeCroy Device Emulator is an adapter that provides a way of connecting a Summit Z2-16 Exerciser to a PCI Express motherboard. The emulator has two connectors: a connector for a data cable and an edge connector for inserting the Device Emulator into a slotted DUT.
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Installing the Device Emulator
To install the Device Emulator into the DUT, perform the following steps:
Step 1 If not already powered off, power off the Summit Z2-16 system and the
DUT.
Step 2 Insert the edge connector on the Device Emulator into a PCI Express
slot in the DUT. The Device Emulator is designed to fit into standard x16 PCI Express slot. To connect to a x1, x4, or x8 slot, you must install a slot reducer, available from Teledyne LeCroy.
Step 3 The Device Emulator is shipped from Teledyne LeCroy with a metal face
plate for attachment to a PC case. If you are working with a motherboard that is not in a PC case, you may prefer to remove the metal face plate so the emulator can sit flat with the motherboard. To remove the face plate, unscrew the two screws that hold it onto the emulator.
Step 4 Attach probe data cables between the two connectors on the emulator
and the To Device (15:8) and To Device (7:0) ports on the Exerciser.
Step 5 At this point the emulator is ready for use. Skip ahead to See “Final
Steps: Power on the Exerciser and then DUT” on page 22..
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Host Emulation Test Fixture

Figure 3.4 Summit Z2-16 Exerciser (bottom) connected to a Host Emulator
adapter (top). The Host Emulator has a PCI Express graphics card inserted.
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Teledyne LeCroy Host Emulation Test Fixture
Hardware enclosure with a slot on top for accommodating a PCI Express card.
TX/RX 8-15 Connector: Connects to the To Device (15:8) port on Summit Z2-16.
TX/RX 0-7 Connector: Connects to the To Device (7:0) port on Summit Z2-16.
Reset button: Reset asserts PERST # for > 250 ms.
Clock Select: Selects from the following clocking options:
Ext: a user supplied reference via the RefCLK SMA connector.
Int: an internal supplied 100 MHz reference clock.
Int SSC: an internal supplied Spread Spectrum Clock.
Power Select switch: Selects between the internal power supply and the external power jacks on the back of the emulator. When External power is selected, both 3.3V and 12V supplies must be provided by the user via the banana jacks on the back of the emulator.
Emulator Power LED: Lights when emulator is powered on.
PCIE Slot Power LED: Lights when the PCI Express connector on the Host Emulator is
supplying power. Power can be provided either via the internal power supply or by an external power supply via the banana jacks on the back of the emulator. If an external power source is provided, the Power Select switch should be set to Ext.
Installing the Host Emulation Test Fixture
Step 1 If not already powered off, power off the Summit Z2-16 system and the
DUT.
Step 2 Insert the male edge connector of the DUT into the PCI Express slot on
top of the Host Emulation Test Fixture.
Step 3 Attach a probe data cable to the Rx/Tx 0-7 port on the Host Emulator and
the To Device (7:0) port on Summit Z2-16.
Step 4 For x16 configuration, attach a second probe data cable to the
Rx/Tx 8-15 port on the Host Emulator and the To Device (15:8) port on
Summit Z2-16.
Step 5 If the DUT is a 150 watts or less device, such as a graphics card, you
may connect the card’s external power cables to the two external power ports on top of the Host Emulator.

Final Steps: Power on the Exerciser and then DUT

Important: Power on the Exerciser before you power on the DUT.
Step 1 Power on the Summit Z2-16 Exerciser. The Exerciser's green power
LED lights, and the red Status LED turns on for approximately one minute while the Exerciser performs self-diagnostics.
Step 2 If testing a motherboard, power on the motherboard. If testing a
PCI-Express device such as a graphics card, power on the Host Emulator.
Step 3 Open the PETracer application on the host machine. The Exerciser is
now ready for traffic generation.
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3.5 Connecting Summit Z2-16 to a T2-16

The Summit Z2-16 Exerciser connected to a Summit T2-16 Analyzer.
For an x8 connection: Connect one end of the iPass Y-Cable to the To Analyzer [7:0] connector of the Summit Z2-16. Connect the other two ends of the iPass Y-Cable to the Upstream [7:0] and Downstream [7:0] connectors of the Summit T2-16 respectively.
For an x16 connection: In addition to the above connection, connect one end of the second iPass Y-Cable to the To Analyzer [15:8] connector of the Summit Z2-16. Connect the other two ends of the iPass Y-Cable to the Upstream [15:8] and Downstream [15:8] connectors of the Summit T2-16 respectively.
Figure 3.5 Summit Z2-16 Exerciser (top) connected to a Summit T2-16 (bottom).
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Section 2. Exerciser Traffic Generation

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Chapter 4: Traffic Generation

A traffic generator can emulate PCI Express™ root complexes and endpoint devices. Traffic generation can be used to transmit known errors, allowing you to observe how your device handles faulty link conditions.
After the Summit Z2-16 Exerciser and DUT have been cabled and powered on, you can test the setup by generating some traffic. The following steps show how to configure the Exerciser to generate a Link Training sequence.

4.1 Theory of Operation

Overview
The Exerciser offers two mechanisms for implementing traffic generation: scripts, in which any type of traffic can be defined and executed, and the Generation Options dialog box, which offers a collection of PCI Express specific behaviors that can be enabled for automatic generation of traffic.
Using scripts, packets can be transmitted one after another or with certain timing or event-based pauses between them. This allows the with PCI Express-specific formatting and transmission rates. However, creating traffic that emulates real devices with relatively complex protocol behaviors using a simple pattern generator is quite complicated. Certain behaviors such as ACK policies, and flow control require concurrent processing. This is where the automated features become useful.
The Exerciser includes a collection of automated traffic generation circuits that commonly exist in other PCI Express devices. These circuits include ACK/NAK generation, flow control management, a Link Training and Status State machine (LTSSM), replay buffers, and transaction timers. What makes the Exerciser unique and so useful is that each of these behaviors can be individually modified or disabled. This allows the user to perform operations that might not otherwise be possible using an off the shelf PCI Express device. This can be particularly useful when doing compliance or fault recovery testing.
Exerciser to act as a pattern generator
Starting Point
When the Exerciser first powers up, it is at electrical idle on all lanes. The link is not trained, but the Link Training and Status State Machine (LTSSM) is enabled and waiting for a command to train the link. To begin communication with a PCI Express device, the Link training must occur, but first the generation settings must be set. This involves setting the Link parameters such as link width, polarity inversion, and lane reversal, through the Generation Options dialog.
Note: Setting the options in the Generation Options dialog has no effect on the
Exerciser behavior until the first script is executed. In fact, each time a script is executed, these behaviors are reprogrammed to the Exerciser and the behaviors are modified accordingly.
The Link Connect toolbar button can then be pressed to signal to the LTSSM to initiate Link training. Alternatively, a script can executed with the Link=L0 command.
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The Status bar at the bottom of the screen shows the current state of the PCI Express Link. When the Link is down, it shows Detect. When it is up, it shows L0.
All of the intermediate link states, such as Polling and Configuration, are handled automatically. In fact, after the Link=L0 command is executed and the LTSSM is alive, the Exerciser attempts to keep the Link active just as any other PCI Express device does. This includes handling of Recovery states and subsequent retraining events.
The next step is to enable flow control. This is done by executing the Link=InitFC command. This causes the Exerciser to perform flow control initialization and, if enabled, begin periodic transmission of Update_FC DLLP's. If the Link connect toolbar button was used, the flow control initialization happens automatically.
By using these basic commands, the complicated process of link training is managed automatically. The Link is now trained and the script execution can now focus on sending TLP packets.
Script Execution
As mentioned above, each time a script is executed, the configuration settings for the Exerciser are reprogrammed. When the Start generation button is pressed, the script is uploaded to the Exerciser hardware and executed immediately. Progress of the script can be tracked in the status bar at the bottom of the screen. Subsequent executions of the same script do not require upload of the script to the Exerciser, however, as mentioned above, the generation options are still reprogrammed.
Script execution can be throttled using Wait commands inserted directly into the script. Waits can be time based, require receipt of certain packet types, or can even require User input from the GUI.
After the script is complete, any enabled PCI Express behaviors, such as SKIP insertion, Flow control, and ACK generation, continue. This allows you to run multiple scripts, one after another, without interrupting the Link state.
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4.1 Traffic Generation Files

The .peg traffic generation files are text files consisting of a series of commands from a scripting language (see Chapter 12), and optionally, one or more Include statements linking other generation files into the current file.
Note: To edit a generation file, use the Script Editor, a specially designed text editor
tool. See “Editing Generation Files with the Script Editor” on page 34.
To generate traffic, open a traffic generation file (*.peg) and then run it.
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When the file is opened, it appears in the CATC Trace window looking like a CATC Trace file.
To run the file, press .
To create or edit a .peg file, use the Script Editor.
The Script Editor is a text-editing tool that can be opened by clicking .
Alternatively, the traffic generation file can be created by exporting the data from a CATC Trace into a traffic generator file.
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4.2 Creating a Traffic Generation File

There are four ways to create traffic generation script file:
Export an existing trace to a script file
Save an existing script to a new file
Select File > New to create a new and empty script file that contains no text.
Create an empty file using an OS shell (with .peg extension) and open it with PETracer software.

Exporting a CATC Trace to a Traffic Generation File

A simple way to create a script file is to open a CATC Trace and then to export the CATC Trace data to a generation file:
Step 1 Open a CATC Trace file.
Step 2 Select File > Export > to Generator File Format.
Step 3 Select the desired options from the File Export dialog box:
Direction: Selects the direction of the traffic to be exported.
From and To: Selects a range for exporting. You can export all or part of the CATC Trace.
Do not export hidden packets: Ignores any packets hidden through the various hide
options.
Do not export Idle packets: Excludes Idles from the export.
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Export “Wait for Cpl” from upstream: Exports all Wait for Completions from the opposite direction. Wait = TLP is a script command.
Export “Wait for ACK” from upstream: Exports all Wait for ACK DLLPs from the opposite direction.

Saving a Script to a New File

To save a script file as a generation file:
Step 1 Open an existing script file.
Step 2 Select File > Save As… or click on the toolbar.
Step 3 Navigate to the desired folder and type a new file name where you want
to save the current script, then click the Save button:
When the Save As command completes, the newly created script is displayed.
Note: The Save As dialog box includes the option Save all included files. This
option causes the software to save any Include files that have included into the script. The Included files are saved to the same directory as the traffic generation file.
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Creating a New Empty Generation File

To create a generation file from scratch:
Step 1 Select File > New Script or use the shortcut Ctrl+N.
An empty traffic generation file appears. You can also view the Script Editor.
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4.3 Editing Generation Files with the Script Editor

The Script Editor is an editing tool for traffic generation files (<filename>.peg). The generation script is presented in the Script Edit window. Parameters are presented in menus and text boxes in the Command Properties window in the right-hand portion of the Script Editor.
To launch the Script Editor: click the Script Editor button on the toolbar or right-click the CATC Trace window and choose Edit as Text from the pop-up menu.
The Script Editor window displays in the lower portion of the CATC Trace window.
Layout: The Script Editor divides into four areas:
Script Editor toolbar: Presents options for printing, saving, bookmarking, and other options.
Script Edit window: Main window where the script is displayed and edited. Text in this window behaves as in most text editors. Text can be copied, pasted, and searched.
Command Properties window: Presents editable parameters. Many parameters have menus. Click the parameter in the Command Properties window to see if a down-arrow appears.
File tabs: Lists the name of the traffic generation file and any open Include files that are associated with the generation file. If the generation file has Include statements, the Include files automatically open and display as tabs in the File tabs section of the Editor window.
Error Log: An error log opens automatically at the bottom of the window any time a script error occurs. The window closes automatically whenever the error is corrected, after you save the script.
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Script Editor Toolbar

The toolbar contains buttons for saving your edits, navigating, searching and other functions.
Save. Saves your edits and immediately updates the setting bars and Frames shown in the CATC Trace window.
Go to Trace View. Causes trace view to bring the
currently selected script line to the top of the screen.
View Options. Opens a menu with three options:
• Enable Outlining
• Toggle Outlining
• Line Numbers.
See “View Options Menu” on page 40 for descriptions.
Cut. Previous Bookmark.
Copy. Clear All Bookmarks.
Paste. Find.
Toggle Bookmark. Allows markers to be set or removed to aid in navigation.
Next Bookmark.
Undo. Replace. Find and replace.
Redo. Print.
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Script Edit Window

The Script Edit Window offers several features to simplify the process of editing.
Syntax Highlighting
All known commands and parameters are highlighted in blue.
All predefined values and command modifiers are highlighted in brown.
Intellisense prompts for known predefined values/literals. This functionality is invoked when you type = after a known key or select List values from the Context menu.
Tooltips
The Tooltips look like the following:
Outlining
When outlining is enabled user have the option to collapse/expand code blocks:
Text Editing Commands
The Script Editor supports standard editor commands:
Copy/Paste
Undo/Redo
Find/Replace
Bookmarks
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Synchronized Scrolling with the CATC Trace Window
You can navigate from the generation code window to the corresponding place in the CATC Trace representation, and visa versa.
From the CATC Trace window, right-click the first cell in a packet in the CATC Trace window and select Go to Script Editor from the pop-up menu. The Script Editor window then repositions to the corresponding code.
From the script editor, right-click some code within the Script Editor window and select Position Trace view on packet x from the pop-up menu (where x is a packet number).
The CATC Trace window repositions to the corresponding packet number.
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Command Properties Window

The Command Properties window lists all possible parameters for the current script command and all values for the parameters currently defined in this command. Entering parameters/values within the Edit window causes the Command Properties window to automatically update. Parameters/values can be changed by entering text into the text boxes or by selecting items from pull-down menus as shown in the example below.
In this case, the edit window is updated automatically. If the current script command does not have parameters or the current cursor position is outside of any script command, then a generic prompt is displayed in the window:
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Script Editor File Tabs

At the bottom of the Script Editor window is the name of the open generation file.
If there are Include statements in the generation file that link it to other generation files, these files automatically open and display as tabs at the bottom of the window. You can click the tabs to toggle between the open generation files.

Script Editor Error Log

Whenever you create a scripting error, a log opens at the bottom of the application window. When the error is corrected, the window automatically closes.
Errors: Marked by red squares.
Warnings: Marked by yellow squares.
Double-clicking an error in the error log causes the cursor in the edit window to move to where the error was detected.
Note: You cannot run the script if it has syntax errors.
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View Options Menu

The View Options button displays a menu with these options:
Enable Outlining: Adds an expandable/collapsible tree structure to the left side of the
Script Editor showing the hierarchical relationships of the script lines.
Show Line Numbers: Adds line numbers to the left side of the Script Editor window.
Show Tooltips: Allows tooltip pop-ups, which provide descriptions of script keywords
when cursor mouses over a keyword.
Toggle Outlining: Toggles the outline tree between collapsed and expanded states.

4.4 Generation Options Dialogs Overview

The Generation Options dialog box is used to set Config settings in a traffic generation script (for example, Config = General or Config = Link). This dialog duplicates the Config script command and is provided as a convenient alternative means of setting this command in the script.
Note: The Generation Options dialog is subordinate to the script itself, so script
commands override options selected in this dialog box.

Opening the Dialog

To open the Generation Options dialog, select Setup > Generation Options or click 
the Generation Options button .
Dialog Layout
The Generation Options dialog is organized into five pages: General, Link, Integrity, Flow Control, and Transactions.
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4.5 Generation Options for Summit Z2-16

General

Parameter Values Default Comment
Target Specifies the generation platform.
The choice affects some of the options presented in the Generation Options dialogs.
Data Rate 2.5 GT/s Yes
No
Data Rate 5.0 GT/s Yes
No
Data Rate 5.0 & 2.5 GT/s Yes
No
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Yes Specifies advertised data rate.
No Specifies advertised data rate.
No
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LinkWidth 1
2 4 8 16
DisableScrambleTx Yes
No
DisableDescrambleRx Yes
No
Reverse Lanes (TX/RX) Yes
No
Follow Lane Reversal Yes
No
Use External Reference Clock Yes
No
1
No
No
No
No When set, the Summit Z2-16 Trainer responds to lane
reversal requests from the DUT. When cleared, the Summit Z2-16 Trainer does not follow
the lane reversal protocol.
No Use if you have an external reference clock.
InvertPolarityTx (X,X,X,X)
InvertPolarityRx Disabled
SkewTx (X,X,X,X)
Interposer Host
Device
Analyzer Control Yes
No
Host Host = Host Emulation
No No
Start recording when generation starts. Stop recording when generation stops.
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Link

Parameter Values Default Comment
SkipTimer number of symbols
Off
FTSCount 0 to 255 255 Number of FTS ordered sets required (as sent in TS)
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1360 Periodic timer that controls sending of SKIP ordered
sets at specific intervals. Timer’s value is measured in number of symbols.
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Integrity

The Integrity page sets the parameters for two Config commands: Config = TLP and Config = AckNak
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Parameter Values Default Comment
AckNak Policy Auto
Ack Nak Disable
TLP Policy AutoSeqNumber
TLP Policy AutoGenerate LCRC
TLP Policy ReplayTimer
TLP Policy AutoRetrain
Yes No
Yes No
In ns (rounded to nearest 8) Off
Yes No
Auto Auto: Automatic ACK/NAK DLLP generation for
received TLP packets (default).
Ack: Always ACK received TLP packets Nak: Always NAK received TLP packets Disable: Disable automatic ACK/NAK DLLP
generation.
Yes If not set, overrides automatic generation of the TLP
sequence number and uses user-defined value of the field in the Packet=TLP commands.
This option overrides any sequence numbers specified in the script.
Yes If not set, overrides automatic generation of LCRC
and uses user-defined value of the field in the Packet=TLP commands.
This option overrides any LCRC specified in the script.
4200 Timeout in TLP transmitter path that counts time since
last Ack or Nak DLLP is received. If set, automatically retransmit TLPs that were NAKed
or on replay timer expiration.
Yes If set, enable automatic retraining of the link in case
the number of retransmitted TLP is 4. Valid only when AutoRetransmission is set.
Automatic Tag Generation
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Yes No
No Disable automatic tag generation.
Prevents the Exerciser from automatically inserting a tag. Tags are a sub-field of the transaction ID field. When auto tag insertion is enabled, the tag field is only modified for non-posted transactions such as CfgRd, CfgWr, and MemRd. Options are: Use lower 5-bit of Tag field. Zero out higher 3 bits. Use 8-bit of Tag field.
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Flow Control

The Flow Control page sets parameters for Config = FCTx and Config = FCRx.
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FCRx Parameter Values Default Comment
Enable Tx Flow Control Yes
No
Enable Rx Flow Control In ns
(rounded to nearest 8) Off
PH 0 to 255 1 Posted Request Headers
NPH 0 to 255 1 Non-Posted Request Headers
CplH 0 to 255 1 Completion Headers
PD 0 to 4095 1024 Posted Request Data Payload
NPD 0 to 4095 1 Non-Posted Request Data Payload
CplD 0 to 4095 1024 Completion Data Payload
Yes When not set, the TLPs are being sent without
the regard of how many credits are available. This option prevents TLP transmission if insufficient credits are available.
4200 When enabled, allows automatic updating of
these DLLPs. This option enables a periodic timer that
controls sending of UpdateFC DLLPs. You should leave timer and credit values to defaults for correct behavior.
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Transactions

Default
Parameter Values Default Comment
Automatically handle Configuration Read and Write TLP transactions
Yes No
No If set, automatically handles Configuration Read and
Write TLP transactions. For Configuration Read transactions, Completion TLP contains the data read from the internal Configuration
Space according to the specified register address. For Configuration Write transactions, the internal
Configuration Space is updated at the address with the data from Configuration Write TLP, and Configuration Write Completion is returned. This option enables Read and Write access to 4-KB configuration space.
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Automatically handle Memory and IO Read and Write TLP transactions
Enable Fast Memory Completer
Region --Not Set--
Yes No
Yes No
Mem_64 Mem_32A Mem_32B Fixed_64 Fixed_32
No If set, automatically handles Memory and IO Read and
Write TLP transactions. For Memory and IO Read transactions, Completion TLP
contains the data read from the internal Memory/IO Address Space according to the specified address. For Memory and IO Write transactions, internal Memory/IO Address Space is updated at the address with the data from TLP.
No If set, enables the high-performance memory completer
functionality.
--Not Set-- A Region is a range of addresses in PCI Express memory space, which the high-performance memory completer handles using a defined policy.
There are two region types:
• The first type is defined by the fixed address location,
such as Fixed_32 and Fixed_64, and can be used for both Device and Host Emulation.
• The second type is defined by the specific device
memory space, such as Mem_64, Mem_32A, and Mem_32B, specified in the BAR setup (see “BARs Setup” on page 65) in the Configuration Space Editor, and can be used only for Device Emulation. The supplied Address is really the Offset from the beginning of the corresponding memory space. The actual address is calculated by the Summit Z2-16 Trainer when the BARs are configured.
When a region is enabled, all Write data to the address range is consumed at high speed and discarded. All completion data for read requests is filled according to the rules specified by the PldGrowth and PldSeed parameters.
Six regions are currently available for the fast memory completer.
FastMemoryCompleter must be set to enable the Region.
Address/Offset (hex)
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32-bit Address/Offset
64-bit Address/Offset
32-bit 0x00000000
If the corresponding Region is set, based on the region type, this field is a
32-bit Offset for Mem_32A and Mem_32B, 64-bit Offset for Mem_64, 32-bit Address for Fixed_32, and 64-bit Address for Fixed_64. The corresponding Region must be set to enable the Address/Offset.
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Length (in 4-KB blocks)
PldGrowth Fixed Byte
PldSeed (hex) 8-bit value
0 to 1,048,576 0 If the corresponding Region is set, this field specifies the
Fixed DWord Incr Byte Incr DWord
10-bit value
Example .gen File
length of the address range in 4-kilobyte blocks, starting from the address/offset, in the Address/Offset field, to which the fast memory completer responds.
The corresponding Region must be set to enable Length.
Fixed Byte If the corresponding Region is set, this field specifies the
expected payload format. Fixed Byte and Fixed DWord specify a payload of a byte or dword pattern consisting of PldSeed. Incr Byte and Incr DWord specify a payload of
incrementing bytes or dwords starting from zero. The corresponding Region must be set to enable
PldGrowth.
0 If the corresponding Region is set and PldGrowth is set
to Fixed Byte or Fixed DWord, this field species the byte value repeated for PldGrowth of Fixed Byte or the 10-bit dword value for PldGrowth of Fixed DWord.
For other types of PldGrowth, this field is set to zero. The corresponding Region and PldGrowth must be set to enable Pldseed.
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4.6 Generating Traffic: Set Generation Options

Before beginning generation, set options in the Generation Options dialog box:
Step 1 Open the Generation Options dialog box by selecting
Setup > Generation Options from the menu. The Generation Options
dialog opens.
By default the General page displays.
Step 2 To test 1.0 devices, check the box next to
Base Spec Rev. 1.0 Compatibility Mode to select 1.0 compatibility
mode.
To test 1.0A devices, leave this box unchecked.
Step 3 Set the generation direction based on type of device you are emulating.
Step 4 Select one of the two Interposer options:
Host Emulation: Select Host
Device Emulation: Select Device
Step 5 Select the Link tab. The Link page opens.
Step 6 Select Enable Automatic Skip Generation, but leave the setting at the
default value: 4720 ns.
Step 7 Select the Integrity tab. The Integrity page opens.
Step 8 Check to enable Automatic ACK/NAK DLLP generation for received
TLP packets.
Step 9 Enable all four TLP policies.
Step 10 Select the Flow Control tab. The Flow Control page opens.
Step 11 Check the checkbox to enable Do not send TLP packet if credit
amount is insufficient.
Step 12 Check the checkbox to enable
Periodically schedule UpdateFC DLLP.
Step 13 Use the defaults for all other boxes.
Step 14 Click OK to apply all changes and close the Generation Options dialog.
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4.7 Generating Traffic: Prepare Traffic Generation

To prepare for traffic generation, follow these steps:
Step 1 If it is not running, start the PETracer™ software.
Step 2 Open an existing script file or create a new script. For example, open the
traffic generation file Linkup.peg by selecting File > Open from the menu. The following packets display in the main window.
The CATC Trace window shows the type of traffic that is to be generated in the current generation session.
Step 3 If needed, make changes to the script file, 
then save the file by clicking the Save button .
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4.8 Generating Traffic: Begin Traffic Generation

To begin traffic generation:
Step 1 Start generation by clicking the Start Traffic Generation button
on the Status bar.
This action causes the software to download the script to the device. After the download completes, the device starts executing the script.
As the script executes, the Status bar displays the script's progress. The Current script position field displays the command description and CATC Trace packet number currently being generated.
Note: Script execution can be terminated at any time by clicking the
Stop Generation button on the toolbar.
If a Wait command is executed where the Display parameter is specified, the user-defined text is displayed.
If a wait=user script command is executed, the script pauses until you click the
Resume Generation button on the toolbar.
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Step 2 Open the Real-Time Statistics window by clicking .
To the right is a Statistics Accumulation area. In this area look for two messages:
InitFC State: Complete (shown in the example above)
Link State: LO
If the messages appear, then it means that the Exerciser successfully completed the Link training.
Note: Link training can also be performed by clicking the Exerciser Connect button on the Status bar.
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Chapter 5: Macros

5.1 Macros

You can add buttons to the Status bar at the bottom of the window (and add commands to the Generate menu) to run traffic generation macros on the Exerciser.
After a macro script has been defined and assigned to a button the on the Status bar, the macro can be run by clicking the macro button with the mouse or selecting the macro name from the Generate menu.

Default Macros: Connect and Disconnect

By default, the PETracer™ software includes two macros, Connect and Disconnect. These buttons execute macros for creating and breaking a connection between the Exerciser and a DUT.
The buttons are on the Status bar when Exerciser hardware is present.
The commands are also on the Generate menu:
Connect Macro
The default code for this macro is the following:
Config = General {TrainerReset = 1} Link = Detect Wait = 500 Link = L0 Wait = 500 Link = InitFC
Disconnect Macro
The default code for this macro is the following:
Config = General {TrainerReset = 1} Link = Detect
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5.2 Adding New Script Macros

There are two ways to add script macros:
Using the Generation Macros dialog
Adding script files to the GenScriptMacros directory.

Using the Generation Macros Dialog

Step 1 Open the Generation Macros dialog by selecting
Setup > Generation Macros from the menu.
Step 2 In the Generation Macros dialog box, click the New button.
Step 3 Within Script properties area specify script name, script comment,
script icon, and whether or not to show script icon on a toolbar.
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Step 4 Create a new icon for the script by clicking Edit Icon... button. The Edit
Generation Macro Icon dialog appears.
Step 5 Using the tools provided, paint the icon for new script macro and then
press OK.
Step 6 Edit the script code by clicking the Edit code... button. The dialog closes
and an empty script editing window appears (see Section 4.3, “Editing Generation Files with the Script Editor” on page 34).
Step 7 Type the script code and press the Save button. The script macro and
icon are saved in the GenScriptMacros directory located under the PETracer directory (for example,
Program Files\CATC\PETracer\GenScriptMacros).
Step 8 Close the script window. The new macro script button automatically
appears on the Status bar at the bottom of the window. Clicking this button causes the Exerciser to execute the script.

Adding Script Files to the GenScriptMacros Directory

The second way to add a new script macro is to copy an existing script file in the
GenScriptMacros directory.
Step 1 Copy a script file into the GenScriptsMacros directory located under the
PETracer directory (for example,
Program Files\CATC\PETracer\GenScriptMacros).
Step 2 Switch to the PETracer application. You see that a new icon has been
automatically added for the script file to the Status bar at the bottom of the window. The default icon is assigned to the new script macro and the file name is used as a script name.
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5.3 Modifying Script Macros

To modify a macro assigned to a button:
Step 1 Select Setup > Generation Macro from the menu.
The Generation Macros dialog opens for modifying, creating, and deleting macros:
Name: Name of Macro
Comment: Descriptive comment so you can remember what the macro does
Icon: Currently assigned button for the macro.
Show icon on the toolbar: If checked, places the icon on the Status bar.
Edit Code: Opens a dialog for editing the macro script.
Step 2 Select the macro to be modified.
Step 3 Within the Script properties area, modify the script name, script
comment, script icon, and whether or not to show script icon
Step 4 To edit script code, press the Edit code... button. The Generation
Macros dialog closes and the Script Editing window appears, showing current code for the selected script macro.
Note: If the Generation Script Editor pane does not appear, click .
Step 5 Modify the script code and press the Save button .
Step 6 Close the script window. The macro has now been modified.

5.4 Changing the Order of Macro Icons on the Status Bar

To change the order of script macro icons on the Status bar:
Step 1 Open Generation Macro Scripts dialog by selecting
Setup > Generation Macros.
Step 2 Click the Up and Down buttons to change the order of the script macros.
Step 3 Close the dialog. The button order is changed.
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5.5 Deleting User-Defined Script Macros

To delete a script macro:
Step 1 Open the Generation Macro Scripts dialog by selecting
Setup > Generation Macros.
Step 2 Select the macro you want to delete and press the Delete button:
All deleted scripts and icons are removed from GenScriptMacros directory. A backup copy is stored in the GenScriptMacros\Deleted directory.
Note: You cannot delete the Connect and Disconnect script macros.

5.6 Restoring the Default Appearance of the Connect and Disconnect Icons

You can restore the default appearance of the Connect and Disconnect icons by clicking the Restore button.
Step 1 Open the Generation Macro Scripts dialog by selecting
Setup > Generation Macros.
Step 2 Select the macro you want to restore and press the Restore button.
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Summit Z2-16 Exerciser User Manual Chapter 6: Configuration Space

Chapter 6: Configuration Space

For Device Emulation, PETrainer™ provides features to emulate Address Spaces of a PCI Express device, including Configuration, Memory, and IO spaces. The following two chapters describe how to set up, configure, and manipulate Address Spaces.

6.1 Configuration Space Editor

The Configuration Space Editor allows the Configuration Space to be modified on a field-by-field basis using hexadecimal or binary format.
The editor supports PCI-compatible Configuration Spaces and PCI Express enhanced Configuration Spaces.

6.2 Launching the Configuration Space Editor

Selecting Tools > Configuration Space Editor displays the following dialog:
Create new Configuration Space File: Opens the Configuration Space Editor with the default (empty) configuration space.
Open existing Configuration Space File: Activates the list of recently used configuration space files and enables the Select... button. After you select a file and click OK, the Configuration Space Editor opens.

Configuration Space Files

You can save configuration space files in the Configuration Space View (see “Configuration Space View“ in the Summit T2-16 User Manual). Open a trace file, select a packet, and then select Reports > Configuration Space View. Click the Save button to display the Save As dialog and enter a file name (which has no special file extension).
You can save configuration space files in the Configuration Space Editor. Click the Save button to display the Save As dialog and enter a file name (which has no special file extension).
You can open saved configuration space files in the Configuration Space Editor and optionally edit them. You can then use them for generation.
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Editing

When a new file is created, a blank PCI Configuration Space Header is loaded for editing. However, its position is not configurable, and the offset always starts at 000h.
In the Configuration Space View, at the left, you can add and define PCI-compatible or PCI Express Configuration-Space Capability Structures.
The toolbar allows you to create a New configuration space, Open a configuration-space file, Save a file, Write Configuration Space, and Read Configuration Space.
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Click + Add and then choose a Capability Structure from the context menu. You can also select Edit > Add PCI Capability or Edit > Add PCI Express Capability.
Available PCI Capability Structures are:
Message Signaled Interrupts
Accelerated Graphics Port
Vital Product Data
Vendor-Specific
PCI Express
Hyper Transport
Generic
Available PCI Express Capability Structures are:
Virtual Channel
Virtual Channel for MFVC
Device Serial Number
Power Budgeting
Root Complex Link Declaration
Root Complex Internal Link Control
Root Complex Event Collector Endpoint Association
Vendor-Specific
RCRB
•ACS
•MFVC
Resizable Bar
•Multicast
•DPA
•ARI
•LTR
SR IOV
Generic
Selecting a structure displays a dialog in which you can define the structure.
Enter an integer Offset.
Position the structure in the linked list of capabilities by selecting the Previous and Next capability structures.
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Note: User-defined structures can be added to the above set of supported structures (see Appendix A “Configuration Space Decoding” on page 71). The Configuration Space View, from the Reports menu, reflects any added structures.
After you click OK, the center column displays the Capability Structure View, with the register layout. You can modify the selected Capability Structure by selecting registers and editing in binary or hex. The toolbar allows you to select Binary or Hexadecimal for editing.
Alternatively, after selecting a register, you can modify the register in the Field View in the right column.
The Field View allows you to override field attributes. By default, attributes are assigned according to the specification. The available options are:
RO: Read Only
RW: Read-Write
RW1C: Write-1-to-Clear
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6.3 BARs Setup

The BARs Setup dialog helps set up Base Address Registers. It provides a more convenient way of defining BARs than setting up the BARs manually. In addition, it provides the mapping of BARs to PETrainer and Summit Z2-16 memory regions.
To open the BARs Setup, select Edit > BARs Setup.
BAR1 and BAR2 are assigned to 64-bit memory address space and mapped to Mem64 PETra iner memory region. BAR4 is assigned to 32-bit memory address space and mapped to Mem32A PETra i n e r memory region.
You can specify Prefetch and Address Space Size. The sizes for each address space are limited to the values supported by PETrainer hardware.
BAR and Prefetch fields affect the Hexadecimal/Binary in the middle column of the Configuration Space Editor.
Size field affects Field View in the right column of the Configuration Space Editor.
The mapping of BARs to PETra iner memory regions is discussed at the AddressSpace Command in the Help section of the PETra i n e r Script Language.
The BAR settings are used for Memory and IO completer.
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6.4 Configuration Read and Write

PETra iner™ can automatically handle Configuration Read and Write TLP transactions:
For a Configuration Read transaction, the Completion TLP contains the data read from the internal Configuration Space according to specified register address.
For a Configuration Write transaction, the address for the internal Configuration Space is updated with the data taken from Configuration Write TLP, and Configuration Write Completion is returned.
You can specify the initial Configuration Space by editing the AddressSpace=Write command directly in the script or by using the UI provided in the Generator toolbar.
The PETracer™ software provides a special editor for editing this file called the Configuration Space Editor (see “Launching the Configuration Space Editor” on page 61).
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Chapter 7: Address Spaces

7.1 Memory/IO Space Editor

The Memory/IO Space Editor lets users write address space memory into the Exerciser and read address space memory from the Exerciser.
To access the Memory/IO Space Editor, select Tools > Memory/IO Space Editor. The following dialog opens:
Create new Address Space File: Opens the Memory/IO Space Editor and displays an empty address space with the size specified.
Open existing Address Space File: Activates the list of recently used Memory/IO Address Space files and enables the Select... button. After you have selected a file and then clicked Select, the Memory/IO Space Editor opens.
The Memory/IO Address Space editor is implemented as a standard hex editor.
The address space memory must be saved to a file so that it can be downloaded to the hardware using the PETracer™ application.
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If you prefer, you can write address space memory into the Exerciser and read address space memory from the Exerciser directly using the
and toolbar buttons or using the menu File > Write Address Space or
File > Read Address Space.

7.2 Memory Region for Host Emulation

For Host Emulation, the Address Space mechanism on Summit Z2-16 does not support defining memory regions. However, you can enable one 32-bit memory region for Host Emulation by performing the following steps:
Step 1 Enable automatic Configuration and Memory/IO handling in the
Transactions tab of the Generation Options dialog.
Step 2 Create and load a configuration space with one BAR configured for
Mem32A with the desired size. For how to create a configuration space file and define the BAR, see Chapter 6 “Configuration Space” on page
61.
After linking with the device DUT, the DUT can access the defined 32-bit host memory region at fixed physical address 0x40000. The DUT can read back whatever it wrote in those memory locations, or whatever was loaded there by the script using the AddressSpace command.
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Summit Z2-16 Exerciser User Manual Chapter 8: Updates and Licensing

Chapter 8: Updates and Licensing

8.1 Updating the Exerciser

BusEngine™ and/or Firmware updates are now automatic processes that run anytime a new version of the PETracer™ software is installed that is incompatible with the currently installed BusEngine or Firmware. The update process generates onscreen instructions.
If, however, you need to manually perform BusEngine or Firmware updates, follow these steps:
Step 1 Select Setup > Update Device … from the menu to display the
Update Analyzer dialog box for Summit Z2-16™.
Step 2 Select the appropriate file locations for the Firmware and/or BusEngine,
using Browse, if necessary.
Step 3 Check the appropriate options (if in doubt, check all options).
Step 4 Click Update to initiate the updating of the Exerciser.
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8.2 License Keys

A License Key is necessary to enable software maintenance. If you attempt to generate traffic with the Exerciser without an installed License Key, a message appears to indicate that a License Key is necessary in order to record traffic.
A License Key must be obtained from Teledyne LeCroy for each Exerciser.
After you obtain the License Key, follow these steps to install it:
Step 1 Select Help > Update License… from the menu bar. to display the
Update License dialog box.
Step 2 Enter the path and filename for the License Key or use the Browse
button to navigate to the directory that contains the License Key.
Step 3 Select the .lic file, and then click Update Device.
You can also update your licensing information by selecting
Setup > All Connected Devices …, then clicking Update License.

8.3 License Information

You can view Licensing information for your Exerciser by selecting Help > Display License Information... from the menu bar. The License Information window displays data about the maintenance expiration and purchased features.
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Summit Z2-16 Exerciser User Manual Appendix A: Configuration Space Decoding

Appendix A: Configuration Space Decoding

The decoded capability structures in the Configuration Space Viewer and Editor are based on programmed definitions in the PETracer software and on Configuration Space Decode Scripts.
Configuration Space Decode Scripts are tools to define capability structures and instruct the Configuration Space Viewer or Editor how to decode them. These scripts are in the \CfgSpaceScripts sub-directory below the \Scripts directory in the application directory.
You can write Configuration Space Decode Scripts using the CATC Scripting Language (CSL). See the Teledyne LeCroy Analyzers File Based Decoding Manual for reference.
PCI Express Configuration Space Decode Scripts have the file extension .pecfgdec.

A.1 Mandatory Definitions

Configuration Space Decode Scripts must set the following reserved variables.
CapabilityName: Name of the capability structure
CapabilityID: ID of the capability structure
ExtAddSpace: Set to 1 if Extended Configuration Space. Otherwise, set to 0 for PCI.

A.2 Mandatory Module Functions

Modules are collections of functions and data dedicated to decoding a specific capability structure. Each module has one primary Configuration Space Decode Script file (extension .pecfgdec) and optionally has include files (.inc).
A module function is an entry-point into a decoding module. To help display a capability structure, the application calls a module function.
The Configuration Space Editor and Viewer support only the DecodeRegister( offset ) and GetSize( ) functions.
DecodeRegister( offset )
The application calls this function while decoding a specific DWORD offset of the specified CapabilityID. The offset is the decoding entry point, where the decoding path starts.
The Configuration Space Editor calls this function to determine how to decode the assigned configuration space. The offset parameter is the DWORD to decode. An offset of 0 indicates bytes 00h-03h, an offset of 1 indicates bytes 04h-07h, and so on.
Note: The Configuration Space Editor can only decode one DWORD at a time.
GetSize()
This function returns the size of the capability structure specified by CapabilityID.
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A.3 Configuration Register Types

The following reserved variables are defined global constants.
CFGREG_UNDEFINED
CFGREG_HWINIT
CFGREG_RO
•CFGREG_RW
•CFGREG_RW1C
CFGREG_ROS
•CFGREG_RWS
•CFGREG_RW1CS
CFGREG_RSVDP
CFGREG_RSVDZ
Note: These reserved variables match the Configuration Register Types of Table 7-2 in Section 7.4 of the PCI Express Base Specification, Rev. 2.1.

A.4 Primitives

Decoding uses the following primitives.
GetRegisterField( dword_offset, bit_offset, field_length )
This function returns a register field of length field_length, starting at bit position bit_offset in DWORD dword_offset.
dword_offset: DWORD offset of the register field location
bit_offset: Bit offset of the register field location
field_length: Length of the register field
For example, GetRegisterField( 1, 9, 2 ); means: Go to DWORD 1, bit offset 9, and returns 2 bits.
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AddField( field_name, field_length, configuration_reg_type, tooltip, encoding_table = NULL )
This function adds a register field to the Capability View and returns a pointer to the field, for adding subfields.
field_name: Name of the register field to display in the Capability View
field_length: Length of the register field
configuration_reg_type: Configuration register type of the register field. Note: If subfields are defined, their configuration register types override this setting for their specified bits.
tooltip: Tooltip displayed for the register field in the Capability View
encoding_table: Optional. Displays encodings as lists for select values.
For example, user input becomes a combo box for the field in the Field View.
As examples:
AddField( "PCI Express Extended Capability ID", 16, CFGREG_RO, "" );
means: Add the field "PCI Express Extended Capability ID" with length 16 and cfg register type CFGREG_RO.
capability_reg = AddField( "Capability Register", 32, CFGREG_RW, "" );
means: Added the field "Capability Register" with length 32 and cfg register type CFGREG_RW and stored a pointer to this field in variable capability_reg, which can be used to add subfields to this field.
AddSubField( parent_field, subfield_name, subfield_length, configuration_reg_type, tooltip, encoding_table = NULL );
This function adds a subfield to a register field in the Capability View. Subfields are modifiable and visible in the Field View and appear in the tooltips of register fields.
parent_field: Pointer to a register field in the Capability View
subfield_name: Name of the subfield, displayed in the Field View
subfield_length: Length of the subfield
configuration_reg_type: Configuration register type of the subfield field. Note: This overrides the configuration_reg_type of the parent field.
tooltip: Tooltip displayed for the subfield in the Capability View
encoding_table: Optional. Displays encodings as lists for select values.
For example, user input becomes a combo box for the field in the Field View .
For example,
AddSubField( capability_reg, "Mode Supported", 4, CFGREG_RO, "Indicates the Function modes," ), ModeEncodings );
means: Add the subfield "Mode Supported" to the parent field "capability_reg" with length 4, type CFGREG_RO, a tooltip in the Capability View, and a combo box displaying "mode encodings" for input in the Field View.

A.5 Helper File

ConfigSpaceCommon.inc include file contains useful functions for script decoding.
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Summit Z2-16 Exerciser User Manual Appendix B: China Restriction of Hazardous Substances Table

Appendix B: China Restriction of Hazardous Substances Table

The following tables are supplied in compliance with China's Restriction of Hazardous Substances (China RoHS) requirements:
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Summit Z2-16 Exerciser User Manual How to Contact Teledyne LeCroy

How to Contact Teledyne LeCroy

Type of Service
Call for technical support… US and Canada: 1 (800) 909-7112
Fax your questions… Worldwide: 1 (408) 727-6622
Write a letter… Teledyne LeCroy
Send e-mail… psgsupport@teledynelecroy.com
Visit Teledyne LeCroy’s web site…
Contact
Worldwide: 1 (408) 653-1260
Protocol Solutions Group Customer Support 3385 Scott Blvd. Santa Clara, CA 95054-3115
USA
teledynelecroy.com
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Configuration Read 66

Index

Symbols
.lic files 70 .peg files 34 .peg traffic generation files 29
Numerics
25-pin Data Output Connector 12
A
AC Connector 11 address 75 Address Space Size field 65 address spaces 67 All Connected Devices command 70 application 13 Automatic ACK/NAK DLLP generation for received TLP packets 51 automatic generation 27
B
BAR field 65 BAR settings 65 Bars Setup dialog box 65 BARs Setup... button 65 Base Spec Rev. 1.0 Compatibility Mode 51 blue highlight 36 BNC Connectors 11 brown highlight 36 BusEngine update 69
C
Capability Structure View 64 Capability Structures 63 CATC Technical Support 75 collapse 36 Command Properties window 34, 38 Comment 58 Completion TLP 66
Configuration Space 61, 66
editing 62 Header 62
Configuration Space Editor 61, 66
command 61 Configuration Write 66 configuring
Exerciser 27 Connect macro 55
restoring 59 contact 75 Context menu 36 controls
Exerciser EML 9 Create new Address Space File 67 Create new Configuration Space File 61 creating
script 31, 33 Ctrl+N command 33 Current script position field 53
D
Data Output Connector 12 Device Emulation 51 Direction 31 Disconnect macro 55
restoring 59 Display License Information command 70 Do not export hidden packets 31 Do not export Idle packets 31 Do not send TLP packet if credit amount is insufficient 51
E
Edit as Text command 34 Edit Code 58 Edit code... button 57, 58 Edit Generation Macro Icon dialog box 57 Edit Icon... button 57 editing
macros 58
script 36 electrical idle 27 e-mail 75 Email CATC Support 75 Enable Automatic Skip Generation 51 Enable Outlining 40 Error Log 34, 39
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Errors 39 Ethernet Port 11 executing 53 Exerciser 8
configuring 27 expand 36 Export Wait for ACK from upstream 32 Export Wait for Cpl from upstream 32 exporting
Trace to a Traffic Generation File 31
F
fax number 75 Field View 64 File Export dialog box 31 File Tabs 39 File tabs 34 Firmware update 69 flow control 28 Flow Control tab 51 From 31 front panel 9 fuse 11
G
Gen2 PCI Express 16-lane advanced verification system 3 General page 51 Generate menu 55 generating 27, 53
theory 27 Generation Macro command 58 Generation Macros command 56 Generation Macros dialog box 56, 58 Generation Options command 40, 51 Generation Options dialog box 40, 51 GenScriptMacros directory 57 Go to Script Editor 37
H
hardware 3 Host Emulation 51 host machine 7
I
Icon 58 idle 27 Include files 32
Include statement 29 Include statements 39 InitFC State 54 Install Software command 13 Integrity tab 51 Intellisense 36 interface 13 Interposer options 51
K
Key
License 70
L
Layout 34 LeCroy PETracer command 13 LEDs
Exerciser EML 9 license files 70 License Information window 70 License Key 70 licensing information 70 Link Connect toolbar button 27 Link State 54 Link tab 51 link training 28 Link Training sequence 27 Linkup.peg file 52 List values 36 log 39
M
macros 55
changing order 58
creating 56
deleting 59
editing 58 Manual Action button 10 Memory/IO Space Editor 67 Microsoft® Windows®-based host machine 13
N
Name 58 New button 56 New PETrainer Script 33
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O
Offset field 63 Open existing Address Space File 67 Open existing Configuration Space File 61 opening
program 14 outlining 36 overview 3
P
PCI Configuration Space Header 62 PCI Express 16-lane advanced verification system 3, 5 Periodically schedule UpdateFC DLLP 51 PETracer
setting up 15, 18 PETracer EML
opening 14 PETracer ML
opening 14 Position Trace view on packet x 37 Power indicator LED 9 power on/off switch 11 power socket 11 Prefetch field 65 product
overview 3 program
opening 14 progress 28
R
Real-Time Statistics window 54 rear panel 11 restoring
icons 59 Resume Generation button 53 RS-232 25-pin Data Output Connector 12
S
Save all included files 32 saving
script 32 script 53
creating 31, 33
editing 36
executing 28
macros 55, 56
running 52
saving 32 script comment 56 Script Edit Window 36 Script Edit window 34 Script Editor 30, 34
toolbar 35
tooltips 36 Script Editor button 34 Script Editor toolbar 34 script icon 56 script name 56 Script properties area 56, 58 scripts 27 servicemarks ii Show icon on the toolbar 58 Show Line Numbers 40 Show Tooltips 40 Size field 65 software
installation 13
update 69 Start generation button 28 Start menu 13 Start Traffic Generation button 53 Statistics Accumulation area 54 Status Bar
macros 55 Status bar 28 Stop Generation button 53 Summit Z2-16 3, 7, 8 Summit Z2-16 Exerciser
to DUT 19, 23 summit.sys driver 13 support 75 Sync In Connector 11 Sync Out Connector 11
T
Technical Support 75 telephone number 75 testing 27 theory 27 TLP transactions 66 To 31 To Analyzer connector 9 to Generator File Format 31 Toggle Outlining 40 Trace Viewer 14 trademarks ii
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traffic
generating 27, 53
traffic generation
macros 55 traffic generation files 31, 34 traffic generation prep 52
U
Update Analyzer dialog 69 Update command 69 Update Device command 69, 70 Update License command 70 Update License dialog box 70 updates 69 USB drivers 13 USB Type B Host Computer Connector 11 User input 28
V
View Options 35 View Options button 40 Viewer 14
W
Wait commands 28 Warnings 39 web site 75 Website, CATC 75 whether or not to show script icon 56
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