公开(公告)号：US10565043B2

公开(公告)日：2020-02-18

申请号：US15819440

申请日：2017-11-21

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Haopeng Zhang ,  Pei Wu

IPC: G06F11/00 ,  G06F11/07 ,  G06F13/42

Abstract: A method and an apparatus for disconnecting a link between a Peripheral Component Interconnect Express (PCIe) device and a host, and pertains to the field of computer technologies. The PCIe device includes an endpoint (EP) device, and the method includes: obtaining, by the EP device, an error type of an error in transmitting a transaction layer packet (TLP) between the PCIe device and the host; if the error type is a correctable error type specified in the PCIe protocol, collecting, by the EP device, statistics of a duration for which the error type exists; and disconnecting, by the EP device, a link between the PCIe device and the host if the statistics of the duration reaches a preset duration. The apparatus includes an obtaining module, a statistics collection module, and a disconnection module.

公开(公告)号：US11620175B2

公开(公告)日：2023-04-04

申请号：US16740717

申请日：2020-01-13

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Haopeng Zhang ,  Pei Wu

IPC: G06F13/38 ,  G06F11/07 ,  G06F13/42 ,  H04L1/1867 ,  H04L1/24

Abstract: A method, an apparatus and a system for disconnecting a link between a Peripheral Component Interconnect Express (PCIe) device and a host, and pertains to the field of computer technologies. The PCIe device includes an endpoint (EP) device. The method includes: obtaining, by the EP device, an error type of an error in transmitting a transaction layer packet (TLP) between the PCIe device and the host; if the error type is a correctable error type specified in the PCIe protocol, collecting, by the EP device, statistics of a duration for which the error type exists; and disconnecting, by the EP device, a link between the PCIe device and the host if the statistics of the duration reaches a preset duration.