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US 2003/0126535 A1Published application
Method and apparatus for signaling an error condition to an agent not expecting a completion
AssigneeIntel Corporation
InventorsGary Solomon, David Harriman, Jasmin Ajanovic
Life of this patent
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Abstract
A transmitting device and a receiving device are coupled via a high-speed serial interface within a computer system. The transmitting device transmits a packet for a request transaction to a receiving device. The receiving device checks for error conditions. If an error condition exists and if the packet for the request transaction indicates that a completion is not expected by the transmitting device, an error message is delivered by the receiving device to the transmitting device.
Claims17
An apparatus, comprising:
- a data path input unit to receive a packet from a transmitting device for a request transaction that does not expect a completion;
- and
- a data path output unit to transmit a message to the transmitting device if the request transaction is unsuccessful.
A system, comprising:
- a transmitting device to transmit a packet for a request transaction that does not expect a completion;
- and
- a receiving device to receive the packet and to return a message to the transmitting device if the request transaction is unsuccessful.
A method, comprising:
- receiving a request packet from a transmitting device;
- determining whether an error condition exists;
- and
- if an error condition exists and the request packet indicates that a completion is not expected, delivering an error message to the transmitting device.
1 more element
Dependencies are inferred from the claim text.