Advisory Non-Fatal Error Cases 在某些情况下,非致命错误的检测器不确定错误是否可恢复,或者是否需要任何恢复动作,甚至可能根本不需要进行任何恢复动作。例如,如果软件尝试从不存在的设备或功能执行配置读取操作,则完成中的UR状态将向软件发出错误信号,软件不需要通过发送ERR_NONFATAL消息来进一步向Completer发出错误信号。...
在发送Completion时，如果包含Unsupported Request或Completer Abort状态，则表示non-post请求的不可纠正错误。对非致命错误，系统应将之作为Advisory Non-Fatal Error Cases处理。错误转发机制允许将错误与特定请求或完成关联，提高错误报告的精确度。PCI Express错误报告和处理机制通过上述详细分类和机制实现高效、...
Advisory Non-Fatal Error Cases主要由检测agent(Requester,Completer, or Receiver)和特定错误情况来确定。在这种情况下,如果打开AER通过发送ERR_COR,而不是发送ERR_NONFATAL,没有AER的情况不会发送任何错误消息。Completer通常发送一个带有Unsupported Request或Completer Abort (UR/CA)状态的Completion,以表示non-post r...
For device functions implementing the AER, the Uncorretable Error severity register allows each uncorrectable error to be programmed to fatal or non-fatal error. Advisory Non-fatal error cases Advisory non-fatl error caes are determined by the role of the detecting agent(requester, completer or Re...
• A new capability reported via the Role-Based Error Reporting bit in the Device Capability register is added. • New feature called Advisory Non-Fatal Error Handling and related configuration registers are defined. • New optionally supported Data Link Layer related error state called Surprise...
Advisory Non-Fatal The error are reported and signaled as ERR_COR, ERR_NONFATAL, ERR_FATAL or not signaled at all, depending upon the role of the agent that detects the error and whether the agent implements AER as an advisory capacity to application. More details in [8] ...
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