LIVE ERROR RECOVERY
First Claim
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1. An apparatus comprising:
- receiver logic to identify a packet at a port of a serial data link;
error logic to;
identify a packet at a port of a serial data link;
determine that the packet is associated with an error;
initiate entry into an error recovery mode based on the determination that the packet is associated with the error, wherein entry into the error recovery mode is to cause the serial data link to be forced down.
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Abstract
A packet is identified at a port of a serial data link, and it is determined that the packet is associated with an error. Entry into an error recovery mode is initiated based on the determination that the packet is associated with the error. Entry into the error recovery mode can cause the serial data link to be forced down. In one aspect, forcing the data link down causes all subsequent inbound packets to be dropped and all pending outbound requests and completions to be aborted during the error recovery mode.
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Citations
33 Claims
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1. An apparatus comprising:
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receiver logic to identify a packet at a port of a serial data link; error logic to; identify a packet at a port of a serial data link; determine that the packet is associated with an error; initiate entry into an error recovery mode based on the determination that the packet is associated with the error, wherein entry into the error recovery mode is to cause the serial data link to be forced down. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. An apparatus comprising:
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interface logic to interface with a serial data link; receiver logic to receive a packet; and error logic to; determine that the packet is associated with an error; and initiate entry into an error recovery mode based on the determination that the packet is associated with the error, wherein entry into the error recovery mode is to cause interface logic to drop an inbound packet and abort an outbound request.
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19-29. -29. (canceled)
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30. A system comprising:
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a first device; a second device to be communicatively coupled to the first device over an interconnect, the second device comprising error logic executable to; identify a packet at a port of a serial data link of the interconnect; determine that the packet is associated with an error; initiate an error recovery mode on the port based on the determination that the packet is associated with the error, wherein the error recovery mode is to contain the error to the port. - View Dependent Claims (32)
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31. (canceled)
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33. (canceled)
Specification