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2 pci express interface status reporting, 139 pci express interface status reporting usage – Intel CONTROLLERS 413808 User Manual

Page 287

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Intel

®

413808 and 413812 I/O Controllers in TPER Mode

October 2007

Developer’s Manual

Order Number: 317805-001US

287

Address Translation Unit (PCI Express)—Intel

®

413808 and 413812

3.14.2

PCI Express Interface Status Reporting

The following registers are located in the configuration space header and extended

space and provide status (error conditions) of the PCI Express Interface.

Table 139. PCI Express Interface Status Reporting Usage

a

a. This table is referring to only enabled functions. And in root complex mode multi-function is not applicable.

Register Name

Register Bits Description

Usage

ATU Status Register - ATUSR

Bit 15 - Detected Parity Error Poisoned TLP received is reported in

the function involved.

Bit 14 - SERR# Asserted

SERR# Asserted is reported in the

function involved.

Bit 13 - Master Abort

Received Unsupported Request

Completion is reported in the

function involved.

Bit 12 - Received Target

Abort

Received Completer Abort

Completion is reported in the

function involved.

Bit 11 - Signaled Target

Abort

Transmitted Completer Abort

Completion is reported in the

function involved.

Bit 8 - Bit Master Parity Error Master Parity Error is reported to

only the function involved.

PCI Express Device Status Register

PE_DSTS

Entire Register

Reported per function.

PCI Express Link Status Register

PE_LSTS

Entire Register

Reported per function.

PCI Express Uncorrectable Error Status

- ERRUNC_STS

Entire Register

Reported per function

PCI Express Correctable Error Status -

ERRCOR_STS

Entire Register

Reported per function

PCI Express Advanced Error Header

Log - ADVERR_LOG0

Entire Register

Reported per function

PCI Express Advanced Error Header

Log - ADVERR_LOG1

Entire Register

Reported per function

PCI Express Advanced Error Header

Log - ADVERR_LOG2

Entire Register

Reported per function

PCI Express Advanced Error Header

Log - ADVERR_LOG3

Entire Register

Reported per function