CN106326151A - Method and device for unplugging PCIe equipment - Google Patents
Method and device for unplugging PCIe equipment Download PDFInfo
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- CN106326151A CN106326151A CN201610694730.5A CN201610694730A CN106326151A CN 106326151 A CN106326151 A CN 106326151A CN 201610694730 A CN201610694730 A CN 201610694730A CN 106326151 A CN106326151 A CN 106326151A
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- pcie device
- target pcie
- described target
- pulled out
- tlp
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/10—Program control for peripheral devices
- G06F13/102—Program control for peripheral devices where the programme performs an interfacing function, e.g. device driver
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F2213/0024—Peripheral component interconnect [PCI]
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- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Debugging And Monitoring (AREA)
Abstract
The invention discloses a method and a device for unplugging PCIe equipment. The method comprises the steps of judging whether target PCIe equipment is unplugged or not, if yes, sending completion information, which corresponds to TLP, is sent to the target PCIe equipment and is not replied by the target PCIe equipment within a preset time, to an initiator of the TLP, and setting a link corresponding to the target PCIe equipment to be a state of failure in normal work. Accordingly, after the technical scheme disclosed by the application is adopted, a worker can unplug the target PCIe equipment without informing a system of unplugging the target PCIe equipment in advance and waiting for the corresponding processing made by the system, and the corresponding processing is performed after the equipment is unplugged by the worker, so that the problem that in the background technology, after the PCIe equipment is separated from the system due to the misoperation of the worker, system failure and even system paralysis are easily caused since the system does not make the corresponding processing can be avoided.
Description
Technical field
The present invention relates to field of computer technology, more particularly, it relates to the removal method of a kind of PCIe device and device.
Background technology
PCIe is up-to-date bus and interface standard, and PCIe device is the equipment utilizing this standard implementation communication.Certain
A little systems using PCIe device need to ensure high availability, such as, provide the service of online service in fields such as finance, telecommunications
Device, needs to ensure that Scheduled Down Time is the most shorter in a few minutes every year；In order to achieve the above object, the reliability right and wrong of hardware
The most important guarantee.Therefore the PCIe protocol support hot plug operations to PCIe device.
In PCIe protocol, the plug operation to hardware device needs artificially to intervene, by the machine such as button or pull bar
Structure notice system needs to carry out the plug operation of equipment, after then the driving of operating system and equipment processes accordingly,
Allow user that equipment carries out plug operation.But, in actual production environment, PCIe device fail to give notice system due to personnel and
The maloperation such as pulled out to separate from system, but this situation operating system and equipment be cannot be carried out PCIe device from system
Process after middle separation, and then the serious system failure easily occurs, even result in systemic breakdown.
In sum, the technical scheme being used for pulling out PCIe device in prior art exists owing to personnel's maloperation causes it
By being easily caused after system separates, the system failure even problem of systemic breakdown occur.
Summary of the invention
It is an object of the invention to provide removal method and the device of a kind of PCIe device, to solve prior art to be used for pull out
It is caused to be easily caused by after system separates system occurs except what the technical scheme of PCIe device existed due to personnel's maloperation
The fault even problem of systemic breakdown.
To achieve these goals, the present invention provides following technical scheme:
A kind of removal method of PCIe device, including:
Judge whether target PCIe device is pulled out, if it is, described target PCIe device and described target will be mail to
The information that completes corresponding for TLP that PCIe device is not replied in Preset Time sends the promoter to described TLP, and by described mesh
Mark PCIe device respective links is set to the state that cannot normally work.
Preferably, it is judged that whether described target PCIe device is pulled out, including:
Real time record mails to the TLP of described target PCIe device, if monitoring described target PCIe device when default
In do not reply this TLP, then judge whether the slot that described target PCIe device is corresponding has information in place, if described target
Slot corresponding to PCIe device without information in place, then judges that described target PCIe device is pulled out；If described target PCIe sets
Standby corresponding slot has information in place, then judge whether the link that described target PCIe device is corresponding disconnects, if described target
The link that PCIe device is corresponding disconnects, then judge that described target PCIe device is pulled out.
Preferably, it is judged that whether described target PCIe device is pulled out, including:
Monitor and judge whether the connectivity port that described target PCIe device is corresponding default unrepairable mistake occurs, if
It is then to judge that described target PCIe device is pulled out.
Preferably, after described target PCIe device respective links is set to the state that cannot normally work, also include:
Monitor the state of described target PCIe device respective links in real time, if described target PCIe device respective links weight
New connection, then be set to the state normally worked by described target PCIe device respective links.
Preferably, it is determined that go out after described target PCIe device pulled out, also include:
Export the information that described target PCIe device is pulled out.
A kind of plucking device of PCIe device, including:
Judge module, is used for judging whether target PCIe device is pulled out；
Perform module, pulled out if determining described target PCIe device for described judge module, then will mail to institute
State target PCIe device and the information that completes corresponding for TLP that described target PCIe device is not replied in Preset Time sends to institute
State the promoter of TLP, and described target PCIe device respective links is set to the state that cannot normally work.
Preferably, described judge module includes:
First judging unit, mails to the TLP of described target PCIe device for real time record, if monitoring described target
PCIe device does not replys this TLP in Preset Time, then judge whether the slot that described target PCIe device is corresponding has letter in place
Breath, if slot corresponding to described target PCIe device is without information in place, then judges that described target PCIe device is pulled out；If
The slot that described target PCIe device is corresponding has information in place, then judge whether the link that described target PCIe device is corresponding breaks
Open, if the link disconnection that described target PCIe device is corresponding, then judge that described target PCIe device is pulled out.
Preferably, described judge module includes:
Second judging unit, for monitoring and judging whether the connectivity port that described target PCIe device is corresponding occurs presetting
Unrepairable mistake, if it is, judge that described target PCIe device is pulled out.
Preferably, also include:
Monitoring module, for after being set to, by described target PCIe device respective links, the state that cannot normally work
Monitor the state of described target PCIe device respective links in real time, and determine described target PCIe device respective links again
After connection, it indicates that described target PCIe device respective links is set to the state normally worked by described execution module.
Preferably, also include:
Output module, is used for determining after described target PCIe device pulled out, exports described target PCIe device and pulled out
The information removed.
The invention provides removal method and the device of a kind of PCIe device, wherein, the method includes: judge target PCIe
Whether equipment is pulled out, if it is, described target PCIe device and described target PCIe device will be mail in Preset Time
The information that completes corresponding for TLP do not replied sends the promoter to described TLP, and described target PCIe device respective links is set
It is set to the state that cannot normally work.By technique scheme disclosed in the present application, staff can be directly to target
After PCIe device is pulled out, and system is passed through automatic decision and obtained the result that target PCIe device is pulled out, mesh will be mail to
The information that completes corresponding for TLP that mark PCIe device and target PCIe device are not replied in Preset Time sends the initiation to TLP
Person, and target PCIe device respective links is set to the state that cannot normally work, thus ensure that system can be properly functioning.
Visible, technical scheme disclosed in the present application need to pull out target PCIe device without staff's system of informing in advance and system is made
Pull out again after alignment processing, but after staff's plucking apparatus, carry out respective handling again, thus avoid in background technology
Personnel's maloperation causes PCIe device to be easily caused by after separating in system system occur because system does not also make respective handling
The fault even problem of systemic breakdown.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Inventive embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to
The accompanying drawing provided obtains other accompanying drawing.
The flow chart of the removal method of a kind of PCIe device that Fig. 1 provides for the embodiment of the present invention；
The structural representation of the plucking device of a kind of PCIe device that Fig. 2 provides for the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
Refer to Fig. 1, it illustrates the flow chart of the removal method of a kind of PCIe device that the embodiment of the present invention provides, can
To comprise the following steps:
S11: judge whether target PCIe device is pulled out, if it is, perform step S12, if it is not, then perform step
S13。
Wherein it should be noted that the target PCIe device related in the embodiment of the present invention can refer in correspondence system
Endpoint device, and pulling out of criteria of right and wrong mode is pulled out for target PCIe device, i.e. the system of failing to give notice needs to carry out equipment
Directly target PCIe device is pulled out in the case of pulling out operation and the normal live line work of equipment.
S12: corresponding the completing of TLP that target PCIe device will be mail to and target PCIe device is not replied in Preset Time
Information sends the promoter to TLP, and target PCIe device respective links is set to the state that cannot normally work.
Wherein, Preset Time can be determined according to actual needs；TLP (Transaction Layer Packet, thing
Business layer bag) it is specifically as follows the TLP of non-posted type, corresponding, promoter is sending the type to target PCIe device
TLP after, need target PCIe device to reply promoter after this TLP and complete information (completion) receiving；In the application
Replying corresponding complete information by not replied the TLP of information for target PCIe device, this completes information and is specifically as follows
UR (Unsupported Request) or the information of UA (Completer Abort) type, to avoid the occurrence of Completion
The mistake of Timeout type.It addition, target PCIe device respective links to be set to the state that cannot normally work, Ji Jiangqi
It is set to disable；And target PCIe device respective links specifically can include bridge on corresponding its of target PCIe device
Link, thus, it is to avoid system and be not known by continuing to communicate or right in the case of this target PCIe device is pulled out
It operates accordingly, and then causes the situation of the system failure to occur.
Step S13: stop operation.
By technique scheme disclosed in the present application, target PCIe device can directly be pulled out by staff,
And system by automatic decision and obtains target PCIe device by after the result after pulling out, target PCIe device and target will be mail to
The information that completes corresponding for TLP that PCIe device is not replied in Preset Time sends the promoter to TLP, and target PCIe is set
Standby respective links is set to the state that cannot normally work, thus ensures that system can be properly functioning.Visible, disclosed in the present application
Technical scheme need to pull out target PCIe device without staff's system of informing in advance and system make alignment processing after pull out again,
But after staff's plucking apparatus, carry out respective handling again, thus avoid personnel's maloperation in background technology and cause PCIe
There is the system failure even systemic breakdown by being easily caused because system does not also make respective handling after separating in system in equipment
Problem.
It addition, for the scheme pulled out after first notice system, the present invention first pulls out the scheme automatically processed afterwards and shows
So considerably increase simplicity when staff carries out respective operations, improve its work efficiency.
The removal method of a kind of target PCIe device that the embodiment of the present invention provides, it is judged that whether target PCIe device is pulled out
Remove, may include that
Real time record mails to the TLP of target PCIe device, does not returns in Preset Time if monitoring target PCIe device
This TLP multiple, then judge whether the slot that target PCIe device is corresponding has information in place, if the slot that target PCIe device is corresponding
Without information in place, then judge that target PCIe device is pulled out；If the slot that target PCIe device is corresponding has information in place, then sentence
Whether the link that disconnected target PCIe device is corresponding disconnects, if the link disconnection that target PCIe device is corresponding, then judges target
PCIe device is pulled out.
Wherein, the slot that target PCIe device is corresponding is specifically as follows in the bridge on target PCIe device corresponding to this mesh
The Downstream port (downstream interface) of mark PCIe device.If monitoring target PCIe device not return in Preset Time
Its TLP received multiple, then explanation target PCIe device probably because pulled out or faults itself and cannot normally work,
Therefore, now may determine that whether the slot that target PCIe device is corresponding has information in place (PRSNT signal), without in place
Information, then may determine that target PCIe device is pulled out or self breaks down, and owing to being likely to occur target PCIe device
But being pulled out the situation that information in place still exists, if therefore there being information in place, then needing to judge target PCIe device
Whether corresponding link disconnects, if off, then may determine that disconnected target PCIe device is pulled out or self breaks down, no
Then, then target PCIe device is not pulled out and respective links is normal.
It addition, this judgement step specifically corresponding can complete the transmission of information, i.e. judge target by above-mentioned steps
After PCIe device is pulled out, then send the information that completes of above-mentioned TLP to corresponding promoter.
In above-mentioned technical characteristic disclosed in the present application, target PCIe device sets without corresponding information in place and target PCIe
Standby respective links disconnects and is likely due to target PCIe device and has been pulled out and separate with system, it is also possible to due to target PCIe
There is fault and separate with system in equipment itself, therefore, technical characteristic disclosed in the present application is possible not only to target PCIe device
Pull out the process making correspondence, also target PCIe device can be made corresponding place due to the situation that faults itself separates with system
Reason, thus ensure that system can normally work, add the motility that target PCIe device uses, improve the High Availabitity of system
Property and hardware reliability.
The removal method of a kind of target PCIe device that the embodiment of the present invention provides, it is judged that whether target PCIe device is pulled out
Remove, may include that
Monitor and judge whether the connectivity port that target PCIe device is corresponding default unrepairable mistake occurs, if it is,
Then judge that target PCIe device is pulled out.
Wherein, connectivity port is specifically as follows the bridge on target PCIe device corresponding to this target PCIe device
Downstream port, by the monitoring to this port, can know the duty of target PCIe device, when this connection end
When mouthful there is presetting unrepairable mistake (Uncorrectable error), illustrate that target PCIe device cannot normal work
Make, and state separated with system, therefore, now may determine that target PCIe device pulled out or due to himself fault with
System separates, and therefore, this judges whether target PCIe device can also be pulled out simultaneously and whether occur from dieing by step
Barrier separates with system and monitors, thus improves the ease for use of system and equipment.It addition, this step can corresponding target PCIe
The setting of equipment respective links state, after i.e. judging that target PCIe device is pulled out by above-mentioned steps, then arranges target
PCIe device respective links is the state that cannot normally work.
The removal method of a kind of target PCIe device that the embodiment of the present invention provides, sets target PCIe device respective links
After being set to the state that cannot normally work, it is also possible to including:
The state of monitoring objective PCIe device respective links in real time, if target PCIe device respective links reconnects,
Then target PCIe device respective links is set to the state normally worked.
Wherein, the supervision for target PCIe device respective links state can exist all the time, thus, works as target
When PCIe device is access in system again, can know that its respective links is become connection status from off-state, now, by target
PCIe device respective links is set to the recovering state link normally worked, it is achieved target PCIe device is to the access of system.Separately
Outward, after target PCIe device respective links is set to the state that cannot normally work, it is also possible to there is target PCIe set
Standby situation about not pulled out, therefore, by the real-time monitoring to respective links, it is also possible to further determine that target PCIe device is
No pulled out.
The removal method of a kind of target PCIe device that the embodiment of the present invention provides, it is determined that go out target PCIe device and pulled out
After, it is also possible to including:
The information that output target PCIe device is pulled out.
When judging that target PCIe device is pulled out, the information of correspondence can be exported, obtain for staff
And realize the respective operations that need to perform.
The embodiment of the present invention additionally provides the plucking device of a kind of target PCIe device, as in figure 2 it is shown, may include that
Judge module 11, is used for judging whether target PCIe device is pulled out；
Perform module 12, for if it is determined that module determines target PCIe device is pulled out, then target PCIe will be mail to
The information that completes corresponding for TLP that equipment and target PCIe device are not replied in Preset Time sends the promoter to TLP, and will
Target PCIe device respective links is set to the state that cannot normally work.
The plucking device of a kind of target PCIe device that the embodiment of the present invention provides, it is judged that module may include that
First judging unit, mails to the TLP of target PCIe device for real time record, if monitoring target PCIe device
In Preset Time, do not reply this TLP, then judge whether the slot that target PCIe device is corresponding has information in place, if target
Slot corresponding to PCIe device without information in place, then judges that target PCIe device is pulled out；If target PCIe device is corresponding
Slot has information in place, then judge whether the link that target PCIe device is corresponding disconnects, if the chain that target PCIe device is corresponding
Road disconnects, then judge that target PCIe device is pulled out.
The plucking device of a kind of target PCIe device that the embodiment of the present invention provides, it is judged that module may include that
Second judging unit, for monitor and judge the connectivity port that target PCIe device is corresponding whether occur preset can not
Repair mistake, if it is, judge that target PCIe device is pulled out.
The plucking device of a kind of target PCIe device that the embodiment of the present invention provides, it is also possible to including:
Monitoring module, for real-time after target PCIe device respective links is set to the state that cannot normally work
The state of monitoring objective PCIe device respective links, and after determining target PCIe device respective links reconnect, then refer to
Show and perform the state that target PCIe device respective links is set to normally work by module.
The plucking device of a kind of target PCIe device that the embodiment of the present invention provides, it is also possible to including:
Output module, is used for determining after target PCIe device pulled out, the prompting that output target PCIe device is pulled out
Information.
In the plucking device of a kind of target PCIe device that the embodiment of the present invention provides, relevant portion explanation refers to this
In the removal method of a kind of target PCIe device that bright embodiment provides, the detailed description of corresponding part, does not repeats them here.
It addition, the plucking device of a kind of target PCIe device of embodiment of the present invention offer is only in the embodiment of the present invention
Realize a kind of mode of technical solution of the present invention, certainly can also carry out other and arrange, as being arranged to include plugging control
Module, DPC (Downstream Port Containment) module, CTC (Completion Timeout Counter) module
And LSM (Link State Monitor) module.Wherein, the DPC mechanism works that DPC module is corresponding is on target PCIe device
Bridge corresponding in the downstream port of this target PCIe device, be used for realizing real time record and monitoring send to target
Whether the slot that the TLP of PCIe device, target PCIe device are corresponding has information in place and sends the associative operation of TLP；CTC
CTC mechanism works corresponding to module bridge on target PCIe device is corresponding to the upstream of this target PCIe device
In port, for realize monitoring and judge the connectivity port that target PCIe device is corresponding whether occur default unrepairable mistake and
The associative operation of target PCIe device respective links duty is set；LSM mechanism corresponding to LSM module passes through PCIe physical layer
LTSSM state machine realizes the associative operation of the monitoring in real time whether disconnected the link that target PCIe device is corresponding, and plugs control
Molding block is then for realizing controlling function to the work of above-mentioned module.Wherein, the function that above-mentioned module implements may refer to
The detailed description of corresponding part in the removal method of above-mentioned target PCIe device.
Described above to the disclosed embodiments, makes those skilled in the art be capable of or uses the present invention.To this
The multiple amendment of a little embodiments will be apparent from for a person skilled in the art, and generic principles defined herein can
With without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will not be limited
It is formed on the embodiments shown herein, and is to fit to consistent with principles disclosed herein and features of novelty the widest
Scope.
Claims (10)
1. the removal method of a PCIe device, it is characterised in that including:
Judge whether target PCIe device is pulled out, if it is, described target PCIe device and described target PCIe will be mail to
The information that completes corresponding for TLP that equipment is not replied in Preset Time sends the promoter to described TLP, and by described target
PCIe device respective links is set to the state that cannot normally work.
Method the most according to claim 1, it is characterised in that judge whether described target PCIe device is pulled out, including:
Real time record mails to the TLP of described target PCIe device, if monitoring described target PCIe device in Preset Time
Do not reply this TLP, then judge whether the slot that described target PCIe device is corresponding has information in place, if described target PCIe sets
Standby corresponding slot without information in place, then judges that described target PCIe device is pulled out；If described target PCIe device is corresponding
Slot have information in place, then judge whether the link that described target PCIe device is corresponding disconnects, if described target PCIe sets
Standby corresponding link disconnects, then judge that described target PCIe device is pulled out.
Method the most according to claim 1, it is characterised in that judge whether described target PCIe device is pulled out, including:
Monitor and judge whether the connectivity port that described target PCIe device is corresponding default unrepairable mistake occurs, if it is,
Then judge that described target PCIe device is pulled out.
The most according to the method in claim 2 or 3, it is characterised in that described target PCIe device respective links is set to
After the state that cannot normally work, also include:
Monitor the state of described target PCIe device respective links in real time, if described target PCIe device respective links connects again
Connect, then described target PCIe device respective links is set to the state normally worked.
Method the most according to claim 4, it is characterised in that determine after described target PCIe device pulled out, also wrap
Include:
Export the information that described target PCIe device is pulled out.
6. the plucking device of a PCIe device, it is characterised in that including:
Judge module, is used for judging whether target PCIe device is pulled out；
Perform module, pulled out if determining described target PCIe device for described judge module, then will mail to described mesh
The information that completes corresponding for TLP that mark PCIe device and described target PCIe device are not replied in Preset Time sends to described
The promoter of TLP, and described target PCIe device respective links is set to the state that cannot normally work.
Device the most according to claim 6, it is characterised in that described judge module includes:
First judging unit, mails to the TLP of described target PCIe device for real time record, if monitoring described target PCIe
Equipment does not replys this TLP in Preset Time, then judge whether the slot that described target PCIe device is corresponding has information in place, as
Slot corresponding to the most described target PCIe device without information in place, then judges that described target PCIe device is pulled out；If it is described
The slot that target PCIe device is corresponding has information in place, then judge whether the link that described target PCIe device is corresponding disconnects, as
The link that the most described target PCIe device is corresponding disconnects, then judge that described target PCIe device is pulled out.
Device the most according to claim 6, it is characterised in that described judge module includes:
Second judging unit, for monitor and judge the connectivity port that described target PCIe device is corresponding whether occur preset can not
Repair mistake, if it is, judge that described target PCIe device is pulled out.
9. according to the device described in claim 7 or 8, it is characterised in that also include:
Monitoring module, for real-time after described target PCIe device respective links is set to the state that cannot normally work
Monitor the state of described target PCIe device respective links, and reconnect determining described target PCIe device respective links
After, it indicates that described target PCIe device respective links is set to the state normally worked by described execution module.
Device the most according to claim 9, it is characterised in that also include:
Output module, is used for determining after described target PCIe device pulled out, exports what described target PCIe device was pulled out
Information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610694730.5A CN106326151A (en) | 2016-08-19 | 2016-08-19 | Method and device for unplugging PCIe equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610694730.5A CN106326151A (en) | 2016-08-19 | 2016-08-19 | Method and device for unplugging PCIe equipment |
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| Publication Number | Publication Date |
|---|---|
| CN106326151A true CN106326151A (en) | 2017-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610694730.5A Pending CN106326151A (en) | 2016-08-19 | 2016-08-19 | Method and device for unplugging PCIe equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114356644A (en) * | 2022-03-18 | 2022-04-15 | 阿里巴巴（中国）有限公司 | PCIE equipment fault processing method and device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101625656A (en) * | 2009-07-28 | 2010-01-13 | 杭州华三通信技术有限公司 | Method and device for processing abnormity of PCI system |
| CN105205021A (en) * | 2015-09-11 | 2015-12-30 | 华为技术有限公司 | Method and device for disconnecting link between PCIe (peripheral component interface express) equipment and host computer |
| CN105700967A (en) * | 2016-01-08 | 2016-06-22 | 华为技术有限公司 | PCIe (Peripheral Component Interconnect Express) equipment and detection method thereof |
-
2016
- 2016-08-19 CN CN201610694730.5A patent/CN106326151A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101625656A (en) * | 2009-07-28 | 2010-01-13 | 杭州华三通信技术有限公司 | Method and device for processing abnormity of PCI system |
| CN105205021A (en) * | 2015-09-11 | 2015-12-30 | 华为技术有限公司 | Method and device for disconnecting link between PCIe (peripheral component interface express) equipment and host computer |
| CN105700967A (en) * | 2016-01-08 | 2016-06-22 | 华为技术有限公司 | PCIe (Peripheral Component Interconnect Express) equipment and detection method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114356644A (en) * | 2022-03-18 | 2022-04-15 | 阿里巴巴（中国）有限公司 | PCIE equipment fault processing method and device |
| CN114356644B (en) * | 2022-03-18 | 2022-06-14 | 阿里巴巴（中国）有限公司 | PCIE equipment fault processing method and device |
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Application publication date: 20170111 |