CN100470523C - Thermal-plug controller and controlling method - Google Patents

Thermal-plug controller and controlling method Download PDF

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Publication number
CN100470523C
CN100470523C CN 200610061013 CN200610061013A CN100470523C CN 100470523 C CN100470523 C CN 100470523C CN 200610061013 CN200610061013 CN 200610061013 CN 200610061013 A CN200610061013 A CN 200610061013A CN 100470523 C CN100470523 C CN 100470523C
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signal
hot plug
electric
look
control module
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CN1983221A (en
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张小平
栗炜
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Abstract

A method for controlling online connection-disconnection includes issuing an interruption signal by online connection-disconnection control module, launching command signal to said control module by bridging plate according to interruption signal, retransmitting command signal to power supply controller by said control module and using power supply controller to carry out power control on expansion board. The control device used for realizing said method is also disclosed.

Description

A kind of hot plug control device and method
Technical field
The present invention relates to hot plug technology, specifically, relate to a kind of hot plug control device and method.
Background technology
Development and development of technology along with demand, on the bridge sheet of server master board, expand PCI Express (Peripheral Component Interconnect Express, quick type peripheral element extension interface) equipment realizes that the demand of the expansion of system gets more and more, such design can provide I/O (Input/Output, input and output) device extension flexibly.But existing bridge sheet is also not all supported the hot plug of PCI Express equipment, and is a basic demand of telecommunication apparatus for the hot plug of equipment, so this weak point becomes the bottleneck of telecommunication technology in telecommunication technology is used.
As shown in Figure 1, expansion board is as a PCI Express equipment of cpu motherboard, and that can realize mainboard goes out expanded functions such as line interface, and the power supply of expansion board is directly provided by mainboard.Shown in Figure 1 the situation of enumerating a PCI Express expansion board in actual applications, has a plurality of such PCI Express expansion board.
Do not support at the bridge sheet under the situation of its PCI Express equipment hot swap, if the hot plug meeting brings the influence that can't estimate for aspects such as the performance of equipment and serviceable life by force.Expansion board has a little functional fault to repair or whole plate is changed, and the bridge sheet of mainboard is not supported its expansion board hot plug, changes flow process to be: following electric mainboard, make service disconnection, extract expansion board then, change or repair expansion board, the mainboard that powers at last, business recovery.
The shortcoming of prior art is the hot plug that the bridge sheet of cpu motherboard is not supported its PCI Express equipment, causes expansion board to hinder for some reason when needs are changed and must descend electric mainboard, causes the total system service disconnection, brings unnecessary loss.
Summary of the invention
The object of the present invention is to provide a kind of hot plug control device and method, realize hot plug PCI Express equipment.
The present invention is achieved in that a kind of hot plug control device, comprise cpu motherboard, described cpu motherboard comprises: hot plug control module, bridge sheet, power-supply controller of electric, and described hot plug control module comprises detection module, look-at-me sending module and forwarding module;
Whether effectively whether described detection module detects the slotting steady indicator signal of expansion board effective, and send indicator signal information;
Whether effective information sends corresponding look-at-me to the bridge sheet to described look-at-me sending module according to indicator signal;
Described bridge sheet is judged the interrupt type of described look-at-me, sends the corresponding instruction signal and gives described forwarding module;
The command signal that described forwarding module receives and forwarding bridge sheet sends is given power-supply controller of electric;
Described power-supply controller of electric carries out power supply control according to the described command signal that described hot plug control module is transmitted to expansion board.
Described interrupt type interrupts for powering on or electricity interruption down.
Described to insert steady indicator signal be wrench signal, button signal, long and short hands signal or its in conjunction with the composite signal of the signal on the throne of PCIExpress equipment.
Described power supply is controlled to be electric control or electric control down.
A kind of hot plug control method may further comprise the steps:
Whether the hot plug control module detects the slotting steady indicator signal of expansion board effective, and whether effective information sends corresponding look-at-me to the bridge sheet according to indicator signal;
The bridge sheet sends command signal and gives described hot plug control module according to described look-at-me;
Described hot plug control module receives described command signal and is transmitted to power-supply controller of electric, and power-supply controller of electric carries out power supply control according to described command signal to expansion board.
Whether described hot plug control module detects the slotting steady indicator signal of expansion board effective, according to indicator signal whether effectively information send corresponding look-at-me and be specially to the step of bridge sheet, whether the detection module in the hot plug control module detects the slotting steady indicator signal of expansion board effective, and with indicator signal whether effectively information send to look-at-me sending module in the described hot plug control module, the look-at-me sending module according to indicator signal whether effectively information send corresponding look-at-me to described bridge sheet.
Described to insert steady indicator signal be wrench signal, button signal, long and short hands signal or its in conjunction with the composite signal of the signal on the throne of PCIExpress equipment.
The step that described hot plug control module receives described command signal and is transmitted to power-supply controller of electric is specially, and the forwarding module in the hot plug control module receives and transmits the command signal that the bridge sheet sends and gives power-supply controller of electric.
After described bridge sheet receives described look-at-me, judge that the interrupt type of described look-at-me interrupts for powering on or electricity interruption down.
Described power-supply controller of electric carries out power supply control to expansion board and is specially, and the command signal that power-supply controller of electric is transmitted according to described hot plug control module goes up electric control or electric control down.
As seen from the above technical solution, by on cpu motherboard, increasing by a hot plug control module, the present invention has realized the hot plug to PCI Express equipment, under the situation that expansion board breaks down, not other professional maintenances that just can realize expansion board of interrupts of CPU mainboard, improve the maintainability of equipment, avoided unnecessary loss.
Description of drawings
Fig. 1 is a prior art PCI Express device extension synoptic diagram;
Fig. 2 is a PCI Express hot plug control device synoptic diagram of the present invention;
Fig. 3 is the structural representation of hot plug control module among Fig. 2;
Fig. 4 is a PCI Express hot plug control method process flow diagram of the present invention.
Embodiment
The invention provides a kind of hot plug control device and method, its core concept is by increasing by a hot plug control module on cpu motherboard, realizing the hot plug to PCI Express equipment.
As shown in Figure 2, a kind of hot plug control device, its cpu motherboard comprises hot plug control module, bridge sheet and power-supply controller of electric, and described hot plug control module links to each other with described power-supply controller of electric with described bridge sheet respectively.
Whether effectively described hot plug control module is used to detect expansion board and inserts the steady indicator signal corresponding look-at-me of back transmission, if the slotting steady indicator signal of expansion board is effective, corresponding look-at-me is the interruption that powers on, if the slotting steady indicator signal of expansion board is invalid, corresponding look-at-me is electricity interruption down;
Described bridge sheet is used to judge that the interrupt type of described look-at-me interrupts still electricity interruption down for powering on, send the corresponding instruction signal and give described hot plug control module, if the interrupt type of described look-at-me is the interruption that powers on, the command signal that then described bridge sheet sends to described hot plug control module is the command signal that powers on, if the interrupt type of described look-at-me interrupts for following electricity, the command signal that then described bridge sheet sends to described hot plug control module is electric command signal down;
The command signal that described power-supply controller of electric is used for transmitting according to described hot plug control module is carried out power supply control to expansion board, if described command signal is the command signal that powers on, then power-supply controller of electric is gone up electric control to expansion board, if described command signal is following electric command signal, then power-supply controller of electric descends electric control to expansion board.
Wherein hot plug control module comprises detection module, look-at-me sending module and forwarding module.Described look-at-me sending module links to each other with the bridge sheet with described detection module respectively, and described forwarding module links to each other with power-supply controller of electric with the bridge sheet respectively.
Whether effectively whether described detection module is used to detect the slotting steady indicator signal of expansion board effective, and send indicator signal information;
The expansion board that described look-at-me sending module is used for sending according to described detection module is inserted steady indicator signal, and whether effective information sends corresponding look-at-me to the bridge sheet, if the slotting steady indicator signal of expansion board is effective, corresponding look-at-me is the interruption that powers on, if the slotting steady indicator signal of expansion board is invalid, corresponding look-at-me is electricity interruption down;
Described forwarding module is used to receive and transmit the command signal that the bridge sheet sends and to power-supply controller of electric expansion board is carried out power supply control, if the command signal that described bridge sheet sends is the command signal that powers on, then power-supply controller of electric is gone up electric control to expansion board, if the command signal that described bridge sheet sends is following electric command signal, then power-supply controller of electric descends electric control to expansion board.
Wherein said hot plug control module can realize by programmable logic chip with based on the control circuit that various types of processors realizes.Correspondingly, the present invention also provides a kind of hot plug control method,
At first, whether effectively and send indicator signal whether effective information is to the look-at-me sending module in the hot plug control module detection module in the hot plug control module detects expansion board and inserts steady indicator signal, and described look-at-me sending module receives indicator signal that described detection module sends and whether sends look-at-me to the bridge sheet behind the effective information;
Then, the judgement of bridge sheet is to power on to interrupt still electricity interruption down from the interrupt type of the look-at-me of described look-at-me sending module;
If the interrupt type of described look-at-me is the interruption that powers on, then described bridge sheet sends the command signal that powers on and receives and transmit the command signal that described bridge sheet sends for forwarding module in the described hot plug control module, described forwarding module to power-supply controller of electric expansion board to be gone up electric control;
If the interrupt type of described look-at-me is that electricity interrupts down, then described bridge sheet sends down electric command signal and receives and transmit the command signal that described bridge sheet sends for forwarding module in the described hot plug control module, described forwarding module to power-supply controller of electric expansion board to be descended electric control.
Wherein insert steady indicator signal and can be wrench signal, button signal, long and short hands signal or its combination composite signal with the signal on the throne of PCIExpress equipment.Wrench signal is each one of a last lower ejector lever, and open and close is represented a kind of state respectively; Button signal is that the open and close of button is represented a kind of state respectively; The long and short hands signal is specially, and other signals adopt minute hand, and expansion board is inserted steady signal and adopted hour hand.
Embodiment illustrated in fig. 2 the situation of enumerating a PCI Express expansion board in actual applications, has a plurality of such PCI Express expansion board.
The situation when the composite signal of the signal on the throne of inserting steady signal employing long and short hands signal and PCI Express equipment for example below.Other signals adopt minute hand, and expansion board is inserted steady signal and adopted hour hand.
When expansion board is inserted, adopt hour hand owing to insert steady signal, so than being connected with cpu motherboard behind other signals, detection module in the hot plug control module on the cpu motherboard detects expansion board and inserts the slotting steady indicator signal effective information of the effective also transmission of steady indicator signal to the look-at-me sending module in the hot plug control module, described look-at-me sending module sends corresponding look-at-me after receiving the slotting steady indicator signal effective information that described detection module sends, promptly send the look-at-me that powers on, bridge sheet on the cpu motherboard receives described look-at-me, and the interrupt type of judging described look-at-me is the interruption that powers on, send the command signal that powers on to the forwarding module in the described hot plug control module, described forwarding module receives also and transmits the described command signal that powers on and to power-supply controller of electric expansion board is gone up electric control;
When expansion board pulls away the groove position, insert steady signal and break away from cpu motherboard earlier, earlier invalid than other signals, detection module in the hot plug control module on the cpu motherboard detects expansion board, and to insert steady indicator signal invalid and send and insert steady indicator signal invalid information to the look-at-me sending module in the hot plug control module, described look-at-me sending module sends corresponding look-at-me after receiving the slotting steady indicator signal invalid information that described detection module sends, promptly send electric look-at-me down, bridge sheet on the cpu motherboard receives described look-at-me, and the interrupt type of judging described look-at-me is electricity interruption down, send down electric command signal to the forwarding module in the described hot plug control module, described forwarding module reception is also transmitted described electric command signal down and to power-supply controller of electric expansion board is descended electric control.
By above technical scheme, solve bridge sheet on the cpu motherboard and do not supported the defective of PCI Express equipment hot swap, if expansion board needs to safeguard, then adopt this technical scheme, cpu motherboard descends expansion board, just can safeguard expansion board, adopt this technical scheme afterwards again, cpu motherboard powers on to expansion board.In the whole maintenance process, cpu motherboard is electric down all the time, other professional not interruptions.
As seen from the above technical solution, the present invention has realized the hot plug to PCI Express equipment, makes under the situation that expansion board breaks down not other professional maintenances that just can realize expansion board of interrupts of CPU mainboard, improve the maintainability of equipment, avoided unnecessary loss.
The above; only for the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.

Claims (10)

1, a kind of hot plug control device comprises cpu motherboard, it is characterized in that, described cpu motherboard comprises: hot plug control module, bridge sheet, power-supply controller of electric, and described hot plug control module comprises detection module, look-at-me sending module and forwarding module;
Whether effectively whether described detection module detects the slotting steady indicator signal of expansion board effective, and send indicator signal information;
Whether effective information sends corresponding look-at-me to the bridge sheet to described look-at-me sending module according to indicator signal;
Described bridge sheet is judged the interrupt type of described look-at-me, sends the corresponding instruction signal and gives described forwarding module;
The command signal that described forwarding module receives and forwarding bridge sheet sends is given power-supply controller of electric;
Described power-supply controller of electric carries out power supply control according to the described command signal that described hot plug control module is transmitted to expansion board.
2, device according to claim 1 is characterized in that, described interrupt type interrupts for powering on or electricity interruption down.
3, device according to claim 1 and 2 is characterized in that, described to insert steady indicator signal be wrench signal, button signal, long and short hands signal or its in conjunction with the composite signal of the signal on the throne of PCI Express equipment.
4, device according to claim 1 and 2 is characterized in that, described power supply is controlled to be electric control or electric control down.
5, a kind of hot plug control method is characterized in that, may further comprise the steps:
Whether the hot plug control module detects the slotting steady indicator signal of expansion board effective, and whether effective information sends corresponding look-at-me to the bridge sheet according to indicator signal;
The bridge sheet sends command signal and gives described hot plug control module according to described look-at-me;
Described hot plug control module receives described command signal and is transmitted to power-supply controller of electric, and power-supply controller of electric carries out power supply control according to described command signal to expansion board.
6, method according to claim 5, it is characterized in that, whether described hot plug control module detects the slotting steady indicator signal of expansion board effective, according to indicator signal whether effectively information send corresponding look-at-me and be specially to the step of bridge sheet, whether the detection module in the hot plug control module detects the slotting steady indicator signal of expansion board effective, and with indicator signal whether effectively information send to look-at-me sending module in the described hot plug control module, the look-at-me sending module according to indicator signal whether effectively information send corresponding look-at-me to described bridge sheet.
7, according to claim 5 or 6 described methods, it is characterized in that, described to insert steady indicator signal be wrench signal, button signal, long and short hands signal or its in conjunction with the composite signal of the signal on the throne of PCI Express equipment.
8, method according to claim 5, it is characterized in that, the step that described hot plug control module receives described command signal and is transmitted to power-supply controller of electric is specially, and the forwarding module in the hot plug control module receives and transmits the command signal that the bridge sheet sends and gives power-supply controller of electric.
9, method according to claim 5 is characterized in that, after described bridge sheet receives described look-at-me, judges that the interrupt type of described look-at-me interrupts for powering on or electricity interruption down.
10, method according to claim 5 is characterized in that, described power-supply controller of electric carries out power supply control to expansion board and is specially, and the command signal that power-supply controller of electric is transmitted according to described hot plug control module goes up electric control or electric control down.
CN 200610061013 2006-05-31 2006-05-31 Thermal-plug controller and controlling method Active CN100470523C (en)

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Application Number Priority Date Filing Date Title
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CN100470523C true CN100470523C (en) 2009-03-18

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Families Citing this family (11)

* Cited by examiner, † Cited by third party
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CN101458672B (en) * 2007-12-10 2011-08-24 联想(北京)有限公司 Hot plug equipment, computer and data-transmission indicating method
CN102104557A (en) * 2009-12-18 2011-06-22 上海贝尔股份有限公司 Baseband circuit and application method thereof
CN101930276B (en) * 2010-08-30 2012-05-23 浪潮电子信息产业股份有限公司 Device for realizing main board power supply by hot-plugging technology
CN105182895B (en) * 2015-09-25 2018-04-03 深圳市合信自动化技术有限公司 The terminal resistance automatic matching method and system of a kind of PLC expansion bus
CN106980588A (en) * 2016-01-18 2017-07-25 中兴通讯股份有限公司 A kind of equipment heat treatment method and device
CN106330562A (en) * 2016-08-30 2017-01-11 浪潮(北京)电子信息产业有限公司 System and method for solving crash problem of switch in hot plug process
CN107341123A (en) * 2017-07-25 2017-11-10 郑州云海信息技术有限公司 A kind of method and system of PCIe card hot plug
CN109213713A (en) * 2018-09-21 2019-01-15 郑州云海信息技术有限公司 A kind of system for realizing network interface card hot plug
CN109947686A (en) * 2019-03-22 2019-06-28 浪潮商用机器有限公司 A kind of PCIE system, hot-swappable processing method and relevant apparatus
CN113792001A (en) * 2021-09-06 2021-12-14 西安易朴通讯技术有限公司 SAS EXP board card, back board and hot plug method
CN114063511A (en) * 2021-11-15 2022-02-18 合众新能源汽车有限公司 Power assembly domain controller, control system and vehicle

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