XIO2001IPNP datasheet(94/141 Pages) TI1

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XIO2001

SCPS212I – MAY 2009 – REVISED JANUARY 2016

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8.5.5 Uncorrectable Error Severity Register

The uncorrectable error severity register controls the reporting of individual errors as ERR_FATAL or

ERR_NONFATAL. When a bit is set, the corresponding error condition is identified as fatal. When a bit is

cleared, the corresponding error condition is identified as nonfatal. See Table 66 for a complete description of the

PCI Express extended register offset:

10Ch

Read-only, Read/Write

Default value:

0006 2031h

BIT NUMBER

RESET STATE

BIT NUMBER

RESET STATE

(1)

These bits are reset by a PCI Express reset (PERST), a GRST, or the internally-generated power-on reset.

Table 66. Uncorrectable Error Severity Register Description

BIT

FIELD NAME

ACCESS

DESCRIPTION

31:22

RSVD

Reserved. Returns 000 0000 0000b when read.

ACS_VIOLATION_SEVR

ACS violation severity. Not supported, returns 0b when read.

20(1)

UR_ERROR_SEVRO

Unsupported request error severity

0 = Error condition is signaled using ERR_NONFATAL

1 = Error condition is signaled using ERR_FATAL

19(1)

ECRC_ERROR_SEVRR

Extended CRC error severity

0 = Error condition is signaled using ERR_NONFATAL

1 = Error condition is signaled using ERR_FATAL

18(1)

MAL_TLP_SEVR

Malformed TLP severity

0 = Error condition is signaled using ERR_NONFATAL

1 = Error condition is signaled using ERR_FATAL

17(1)

RX_OVERFLOW_SEVR

Receiver overflow severity

0 = Error condition is signaled using ERR_NONFATAL

1 = Error condition is signaled using ERR_FATAL

16(1)

UNXP_CPL_SEVRP

Unexpected completion severity

0 = Error condition is signaled using ERR_NONFATAL

1 = Error condition is signaled using ERR_FATAL

15(1)

CPL_ABORT_SEVR

Completer abort severity

0 = Error condition is signaled using ERR_NONFATAL

1 = Error condition is signaled using ERR_FATAL

14(1)

CPL_TIMEOUT_SEVR

Completion time-out severity

0 = Error condition is signaled using ERR_NONFATAL

1 = Error condition is signaled using ERR_FATAL

13(1)

FC_ERROR_SEVR

Flow control error severity

0 = Error condition is signaled using ERR_NONFATAL

1 = Error condition is signaled using ERR_FATAL

12(1)

PSN_TLP_SEVR

Poisoned TLP severity

0 = Error condition is signaled using ERR_NONFATAL

1 = Error condition is signaled using ERR_FATAL

11:6

RSVD

Reserved. Returns 000 000b when read.

SD_ERROR_SEVR

SD error severity. Not supported, returns 1b when read.

4(1)

DLL_ERROR_SEVR

Data link protocol error severity

0 = Error condition is signaled using ERR_NONFATAL

1 = Error condition is signaled using ERR_FATAL

3:1

RSVD

Reserved. Retirms 000b wjem read/

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