Teledyne-lecroy Protocol PCI Express Script Automation Test Tool Uživatelský manuál stáhnout pdf (Strana 33)

Teledyne LeCroy PCI Express Script Automation Test Tool User Manual

3.1.2.2 Test 3-1. TXN_BFT_FlowControlInit

ASSERTIONS COVERED: TXN.6.1#14, TXN.6.1#16, TXN.5.1#1

The intent of this test is to verify that a slotted Endpoint device receiver complies with basic flow control credit

advertisement requirements.

Trainer Stimulus: trans_3-1_TXN_BFT_FlowControlInit.peg

Recording Options: flow_control_init.rec

Verification Scripts: trans_3-1_TXN_BFT_FlowControlInit.pevs

Test Algorithm:

1. Bring the link up, capturing InitFC DLLPs.

2. Read the DUT Device Capabilities register.

3. If non-zero VCs are implemented, read the Virtual Channel Capability structure.

Pass/Fail Criteria:

Test should successfully progress though all test stages.

All test stages should be executed without protocol violations.

Verify that:

a) DUT advertises compliant flow control credit values for each supported VC, using the Max_Payload_Size value

read from the Device Capabilities register.

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Teledyne-lecroy Protocol PCI Express Script Automation Test Tool Uživatelský manuál Strana 33