Altera V-Series Avalon-MM DMA Bedienungsanleitung Seite 111
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Error Type Description
Receiver overflow
(1)
Uncorrectable
(fatal)
This error occurs when a component receives a TLP that
violates the FC credits allocated for this type of TLP. In
all cases the hard IP block deletes the TLP and it is not
presented to the Application Layer.
Flow control protocol
error (FCPE)
(1)
Uncorrectable
(fatal)
This error occurs when a component does not receive
update flow control credits with the 200 µs limit.
Malformed TLP Uncorrectable
(fatal)
This error is caused by any of the following conditions:
• The data payload of a received TLP exceeds the
maximum payload size.
• The TD field is asserted but no TLP digest exists, or a
TLP digest exists but the TD bit of the PCI Express
request header packet is not asserted.
• A TLP violates a byte enable rule. The Hard IP block
checks for this violation, which is considered
optional by the PCI Express specifications.
• A TLP in which the type and length fields do not
correspond with the total length of the TLP.
• A TLP in which the combination of format and type
is not specified by the PCI Express specification.
• A request specifies an address/length combination
that causes a memory space access to exceed a 4
KByte boundary. The Hard IP block checks for this
violation, which is considered optional by the PCI
Express specification.
• Messages, such as Assert_INTX, Power
Management, Error Signaling, Unlock, and Set
Power Slot Limit, must be transmitted across the
default traffic class.
The Hard IP block deletes the malformed TLP; it is not
presented to the Application Layer.
Note:
1. Considered optional by the PCI Express Base Specification Revision .
Error Reporting and Data Poisoning
How the Endpoint handles a particular error depends on the configuration registers of the device.
Refer to the PCI Express Base Specification 3.0 for a description of the device signaling and logging for an
Endpoint.
UG-01154
2014.12.18
Error Reporting and Data Poisoning
7-5
Error Handling
Altera Corporation
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- User Guide 1
- Features 3
- Interface 5
- Release Information 8
- Example Designs 9
- Debug Features 9
- IP Core Verification 9
- Related Information 10
- Altera Corporation 11
- Datasheet 11
- Send Feedback 11
- Parameter Value 17
- Directory Description 18
- Time TLP Type Payload 18
- TLP Header 18
- Creating a Quartus II Project 19
- Compiling the Design 20
- Parameter Settings 22
- Parameter Value Description 23
- Device Capabilities 28
- Error Reporting 28
- Link Capabilities 29
- MSI and MSI-X Capabilities 29
- Power Management 30
- PCIe Address Space Settings 31
- RX Master Module 36
- TX Slave Module 38
- Signal Name Directio 39
- Description 39
- Bits Name Description 41
- Clock Signals 45
- Signal Direction Description 46
- MSI Interrupts for Endpoints 51
- Serial Data Signals 53
- 9 Ch 18 Ch 54
- PIPE Interface Signals 64
- Test Signals 68
- Registers 70
- Altera-Defined VSEC Registers 77
- CvP Registers 78
- Bits Register Description 82
- Register Access Description 86
- Read DMA Example 91
- Byte Offset 95
- Register Dir Description 95
- Reset and Clocks 100
- Example Design 101
- Hard IP for PCI Express 101
- UG-01154 102
- 2014.12.18 102
- Clock Domains 104
- Data Rate Frequency 105
- Clock Summary 106
- Error Handling 107
- Physical Layer Errors 108
- Data Link Layer Errors 108
- Transaction Layer Errors 109
- Error Type Description 110
- Status Bit Conditions 112
- IP Core Architecture 114
- Hard IP for PCI Express 115
- Top-Level Interfaces 116
- Avalon-MM DMA Interface 116
- Clocks and Reset 116
- Transceiver Reconfiguration 116
- Interrupts 116
- Data Link Layer 117
- Physical Layer 119
- TX Packets 120
- Altera FPGA 122
- Qsys System 123
- Subscribe 125
- Address[31:2] 130
- Figure A-6: I/O Read Request 132
- Additional Information 136
- Date Version Changes Made 137
- How to Contact Altera 139
- Typographic Conventions 140
- Visual Cue Meaning 141
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