仅对英特尔可见 — GUID: upy1651192660278
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1. 有关用于PCI Express的 英特尔® FPGA R-tile Avalon® Streaming IP
2. IP架构和功能描述
3. 高级特性
4. 接口
5. 参数
6. 故障排查/调试
7. 用于 PCI Express* 的 英特尔® FPGA R-tile Avalon® Streaming IP用户指南存档
8. 用于PCI Express的英特尔FPGA R-tile Avalon® Streaming IP用户指南文档修订历史
A. 配置空间寄存器
B. 根端口枚举
C. Endpoint模式下Address Translation Services(ATS)的实现
D. TLP Bypass模式下转发到用户应用的数据包
E. R-Tile Avalon Streaming Intel FPGAIP for PCI Express支持的掩膜裕量
3.2.2.5.1. VirtIO Common Configuration Capability寄存器(地址: 0x012)
3.2.2.5.2. VirtIO Common Configuration Capability寄存器(地址: 0x013)
3.2.2.5.3. VirtIO Common Configuration BAR Offset寄存器(地址: 0x014)
3.2.2.5.4. VirtIO Common Configuration Structure Length寄存器(地址0x015)
3.2.2.5.5. VirtIO Notifications Capability寄存器(地址:0x016)
3.2.2.5.6. VirtIO Notifications BAR Indicator寄存器(地址:0x017)
3.2.2.5.7. VirtIO Notifications BAR Offset寄存器(地址:0x018)
3.2.2.5.8. VirtIO Notifications Structure长度寄存器(地址:0x019)
3.2.2.5.9. VirtIO Notifications Notify Off Multiplier寄存器 (Address: 0x01A)
3.2.2.5.10. VirtIO ISR Status Capability寄存器(地址:0x02F)
3.2.2.5.11. VirtIO ISR Status BAR Indicator寄存器(地址:0x030)
3.2.2.5.12. VirtIO ISR Status BAR Offset寄存器(地址:0x031)
3.2.2.5.13. VirtIO ISR Status Structure长度寄存器(地址:0x032)
3.2.2.5.14. VirtIO Device Specific Capability寄存器(地址:0x033)
3.2.2.5.15. VirtIO Device Specific BAR Indicator寄存器(地址:0x034)
3.2.2.5.16. VirtIO Device Specific BAR Offset寄存器(地址:0x035)
3.2.2.5.17. VirtIO Device Specific Structure长度寄存器(地址:0x036)
3.2.2.5.18. VirtIO PCI Configuration Access Capability寄存器(地址:0x037)
3.2.2.5.19. VirtIO PCI Configuration Access BAR Indicator寄存器(地址:0x038)
3.2.2.5.20. VirtIO PCI Configuration Access BAR Offset寄存器(地址:0x039)
3.2.2.5.21. VirtIO PCI Configuration Access Structure长度寄存器(地址:0x03A)
3.2.2.5.22. VirtIO PCI Configuration Access Data寄存器(地址:0x03B)
4.3.1. Avalon® Streaming接口
4.3.2. 精确时间测量(PTM)接口(仅Endpoint)
4.3.3. 中断接口
4.3.4. 硬IP重配置接口
4.3.5. 错误(Error)接口
4.3.6. Completion Timeout接口
4.3.7. 配置拦截接口
4.3.8. 电源管理接口(Power Management Interface)
4.3.9. Hard IP状态接口
4.3.10. Page Request Services (PRS)接口(仅Endpoint)
4.3.11. Function-Level Reset (FLR)接口(仅Endpoint)
4.3.12. SR-IOV VF Error Flag接口(仅Endpoint)
4.3.13. 通用VSEC接口
5.2.3.1. 器件Capabilities
5.2.3.2. VirtIO参数
5.2.3.3. 链路Capabilities
5.2.3.4. Legacy中断管脚寄存器
5.2.3.5. MSI Capabilities
5.2.3.6. MSI-X Capabilities
5.2.3.7. 插槽Capabilities
5.2.3.8. Latency Tolerance Reporting (LTR)
5.2.3.9. Process Address Space ID (PASID)
5.2.3.10. 器件序列号Capability
5.2.3.11. Page Request Service (PRS)
5.2.3.12. Access Control Service (ACS)
5.2.3.13. 电源管理
5.2.3.14. Vendor Specific Extended Capability (VSEC,供应商指定扩展性能)寄存器
5.2.3.15. TLP Processing Hints (TPH)
5.2.3.16. Address Translation Services (ATS) Capabilities
5.2.3.17. Precision Time Measurement (PTM)
仅对英特尔可见 — GUID: upy1651192660278
Ixiasoft
6.6.4.2. 事件计数器
此选项卡允许您读取链路级发生的事件,例如每个端口接收到的错误数、帧错误数等。您可以使用每个事件计数器列表后的Clear PX counter按钮复位这些计数器。另外,请注意:
- 所有信息都是只读。
- 每通道相关计数器对应于逻辑通道(lane)。
- 使用Refresh Event Counter按钮读取事件计数器的寄存器。
组别 | 计数器大小 | 描述 |
---|---|---|
0 | 4位 | Elastic Buffer (EBUF) Overflow(弹性缓冲上溢) |
Elastic Buffer (EBUF) Under-run(弹性缓冲下溢) | ||
Decode Error(解码错误) | ||
Running Disparity Error(运行差异错误) | ||
Gen3 (G3) SKP OS Parity Error(Gen3 (G3) SKP操作系统奇偶校验错误) | ||
Gen3 - Gen5 (G3-G5) SYNC Header Error(Gen3 - Gen5 (G3-G5) SYNC头错误) | ||
Rx Valid deassert w/o EIOS(Rx有效解除置位w/o EIOS) | ||
CTL SKP OS Parity Error(CTL SKP系统奇偶校验错误) | ||
1st Retimer Parity Error(首个重定时器奇偶校验错误) | ||
2nd Retimer Parity Error(第二重定时器奇偶校验错误) | ||
Gen4 (G4) Margin CRC & Parity Error(Gen4 (G4)裕量CRC &奇偶校验错误) | ||
1 | 8位 | Detect Electrical Idle (EI) Inferred(检测推断的电器空闲) |
Receiver Error(接收端错误) | ||
Rx Recovery Request(RX恢复请求) | ||
N_FTS Timeout(N_FTS超时) | ||
Gen3 (G3) Framing Error(Gen3 (G3)组帧错误) | ||
Deskew Error(偏移校正错误) | ||
2 | 8位 | Bad TLP(TLP错误) |
LCRC Error(LCRC错误) | ||
Bad DLLP(DLLF错误) | ||
Replay Number Rollover(重播号翻转) | ||
Replay Timeout(重播超时) | ||
Rx Nak DLLP | ||
Tx Nak DLLP | ||
Retry TLP(重试TLP) | ||
3 | 8位 | Flow Control (FC) Timeout(流量控制超时) |
Poisoned TLP(出错的TLP) | ||
ECRC Error(ECRC错误) | ||
Unsupported Request(不支持的请求) | ||
Completer Abort(事务接收端中止) | ||
Completion Timeout(Completion超时) | ||
4 | 4位 | Elastic Buffer (EBUF) SKP Addition(弹性缓冲SKP添加) |
Elastic Buffer (EBUF) SKP Deletion(弹性缓冲SKP删除) | ||
5 | 32位 | L0 to Recovery(L0到恢复) |
L1 to Recovery(L1到恢复) | ||
ASPM L1 Reject(ASPM L1拒绝) | ||
L1 Entry(L1进入) | ||
L2 Entry(L2进入) | ||
Speed Change(速度变化) | ||
Link Width Change(链路宽度变化) | ||
6 | 32位 | Tx Ack DLLP |
Tx Update Flow Control (FC) DLLP(Tx更新流量控制DLLP) | ||
Rx Ack DLLP | ||
Rx Update Flow Control (FC) DLLP(Rx更新流量控制DLLP) | ||
Rx Nullified TLP(Rx无效TLP) | ||
Tx Nullified TLP(Tx无效TLP) | ||
Rx Duplicate TLP(Rx重复的TLP) | ||
7 | 32位t | Tx Memory Write(Tx存储器写) |
Tx Memory Read TLP(Tx存储器读TLP) | ||
Tx Configuration Write TLP(Tx配置写TLP) | ||
Tx Configuration Read TLP(Tx配置读TLP) | ||
Tx IO Write TLP(Tx IO写TLP) | ||
Tx IO Read TLP(Tx IO读TLP) | ||
Tx Completion without Data TLP(Tx Completion无Data TLP) | ||
Tx Completion with Data TLP(Tx Completion有Data TLP) | ||
Tx Message TLP (仅VC) TLP | ||
Tx Atomic TLP | ||
Tx TLP with Prefix(Tx TLP带有前缀) | ||
Rx Memory Write TLP(Rx存储器写TLP) | ||
Rx Memory Read TLP(Rx存储器读TLP) | ||
Rx Configuration Write TLP(Rx配置写TLP) | ||
Rx Configuration Read TLP(Rx配置读TLP) | ||
Rx IO Write TLP(Rx IO写TLP) | ||
Rx IO Read TLP(Rx IO读 TLP) | ||
Rx Completion without Data TLP(Rx Completion无Data TLP) | ||
Rx Completion with Data TLP(Rx Completion有Data TLP) | ||
Rx Message TLP (仅VC) TLP | ||
Rx Atomic TLP | ||
Rx TLP with Prefix(Rx TLP带有前缀) |
图 64. 事件计数器选项卡
