CN101277213B - System and method for developing IPMC based on event-driven principle - Google Patents
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Abstract
The invention provides a system and a method developed based on accident event-driven principle which includes a substrate hardware module, a system processing module, an event receiving module, a hardware access module, a memory module, a debugging module and an event processing module. The event processing module includes a local event module for processing local event, a payload module for processing payload event and an IPMI command event module for processing IPMI command event. The memory module includes a FRU module and a SDR module, system is developed based on event-driven method completely, all event processing flow employ kindred processing mechanism, user can process development to IMPM module flexibly according with requirement; has better expandability; does not depend on specific hardware platform; user development has large flexible selection; IPMC module is constituted by using event-driven method, and user can deeply understand working principle of IMPC module.
Description
Technical field
The present invention relates to the intelligent platform management system in the advanced telecom calculating framework, especially a kind of method based on event-driven principle developing intellectual resource platform management controller IPMC.
Background technology
Advanced telecommunication computing structure (Advanced Telecom Computing Architecture, ATCA) be called PICMG3.x again, be by tissue (the PCI Industrial Computer Manufacturers Group of PCI industrial computer manufacturer, PICMG) the computing platform standard of at the bottom of calendar year 2001, formulating of new generation that satisfies high-throughput, high reliability, ATCA is by former PICMG2.x standard evolution, but the variation of essence has been arranged.The ATCA standard is considered the ever-increasing demand of telecom operators, adopted brand-new design, particularly this new criteria helps to satisfy the harsh day by day requirement of telecommunication apparatus operator, comprises hardware reliability, high availability, extensibility, manageability and interoperability requirement etc.The ATCA normalized definition multiple backboard standard support high-speed data communication based on exchanged form to comprise Ethernet/optical-fibre channel, InfiniBand, StarFabric, PCI Express and RapidIO etc.
The important feature of ATCA is the rack management function of concentrating, its specific implementation is by rack management controller (ShelfManagement Controller, ShMC), intelligent platform management controller (Intelligent Platform ManagementController, IPMC) two redundant two Intelligent Platform Management Bus (IntelligentPlatform Management Bus and between ShMC and the IPMC, IPMB) finish, can guarantee that still can stablizing of system management communication carries out under the situation that IPMB bus lost efficacy.ATCA adopts IPMI1.5 standard (Intelligent Platform Management Interface1.5, IPMI), at the regulatory requirement in the ATCA framework it is expanded, and its management function has contained following content:
Monitor, control and guarantee the proper operation of ATCA blade (blade is a kind of high available highdensity server platform, in fact is exactly a block system mainboard) and other housing assemblies;
The running status of surveillance, report is unusual, takes corrective action where necessary;
(Field Replaceable Unit obtains manufacturing information and the transducer value of reading in FRU), simultaneously also reception event report and error notification from blade and other intelligent FRU from blade and the replaceable module of other smart fields;
Carry out basic recovery operation, as making managed devices get back to normal operating conditions by reset operation;
The hardware management functions of bottom is provided, the use of the shared resource in power supply, cooling and the frame is distributed and coordinates.
Rack management function in the ATCA framework is realized by three kinds of assemblies:
(1) system management is a top management entity in the whole ATCA framework, it is in charge of one or more frames, they may be one or more systems, system management can be positioned at outside the frame, also its function can be integrated in the frame, more common system management realizes being positioned at outside the frame, its using system management software is controlled one or more systems, the exemplary systems management software is connected to a plurality of ATCA rack management controllers based on ICP/IP protocol by local area network (LAN), also can select dial-up connection conduct connection means in emergency circumstances in addition.No matter how are transmission medium that is adopted and host-host protocol, always rack management is to use RMCP (Remote Management Control Protocol) agreement to transmit IPMI (IPMI) message.
(2) major responsibility of ShMC is management and monitors the frame inner blade and the variation of intelligent FRU module, especially their use of electricity consumption, cooling and backboard connection resource is coordinated.After blade inserts frame and satisfies the activation criterion, ShMC can distribute according to the power supply and electron key (E-Keying) interface of the activation blade of predesignating, make them can enter normal operating conditions, when blade work in normal condition following time, ShMC receives the transducer warning message from each blade and intelligent FRU, takes the necessary measures then to make them recover normal operation.When the operator wishes to extract blade in frame, the flow process that ShMC also can be according to the rules, the IPMC that coordinates on the blade closes power supply and the E-Keying connecting interface of FRU, and that guarantees that blade can safety extracts in frame.In addition, ShMC is also available to regard system management and the on-the-spot bridge that can manage between the disposable units as, and it collects information on blade and the intelligent FRU by IPMC, and the interface that provides machine frame system to administer and maintain to system management.
(3) IPMC is the specific implementation person that blade and intelligent FRU go up management function, IPMC on blade and the intelligent FRU usually by one independently control module realize, with reference to Fig. 1, it carries out physical communication by two two redundant IMPB bus and ShMC, and carry out alternately based on IPMI 1.5 standards and rack management controller, provide the administering and maintaining of local FRU resource, the processing subsystem of IPMC comprises following function:
After blade inserts frame, read hardware address, and be converted to the IPMB address from backboard;
Follow specified states jump condition among the PICMG3.0, cooperate the rack management controller that the state change of FRU is managed;
Temperature on blade or the intelligent FRU and current value of reading of voltage sensor are provided;
Occur sending event report to ShMC when unusual at the blade work state;
The FRU information of being responsible for maintenance and providing to ShMC is comprising manufacturing information and the electron key interface message of FRU;
Require to safeguard basic (Base), the exchange (Fabric) of blade and upgrade being connected of interfaces such as (Update) according to E-Keying;
The electricity consumption of coordinating ShMC blade and FRU manages;
Reading and being provided with local IPMB management bus state is provided;
Support all pressure IPMI that define in the PICMG3.0 standard to order.
The exploitation of IPMC module is the difficult point in the R﹠D process, have only Pigeon Point Systems company to provide ready-made solution in the market for the exploitation of IPMC module in the ATCA framework, their method is based on the limited hardware framework, and the technology transfer expense is higher, limited configurable option only is provided, flexibility is relatively poor, and the user uses this scheme to expand existing capability easily.
With reference to Fig. 2, this IPMC framework is made up of IPMC application module, system drive module, system handles module, bottom hardware module, the IPMC application module comprises: intelligent platform management storehouse (IPMF), IPMF call client, Payload and debugging module, IPMC customized module, and the system drive module comprises that IPMF drives and miscellaneous equipment drives.
The bottom hardware module is that the instruction that this hardware platform can provide system control module information and executive system control module to provide is provided on the proprietary hardware BMR-100 platform.The system handles module adopts the Monterey linux kernel, this kernel was optimized at the IPMC management function, provide and safeguard by Pigeon Point Systems company, this module is that IPMC application module and system drive module are fed back various information, and IPMC application module and system drive module provide instruction for the system handles module.The core of the described IPMC framework of IPMC application module, wherein, IPMF provides the IPMC protocol stack required major function, comprise FRU condition managing, electron key and sensor management etc., IPMF does not offer the user in the source code mode, it only provides limited api interface (Application Program Interface, application programming interfaces) to call client for IPMF and calls.IPMF calls customer end adopted BMR-100 client, realizes disposing and calling the correlation function of IPMF at the hardware of BMR-100.The IPMC customized module is at the demand of blade and intelligent FRU, for the customization of IPMC provides limited configurable option.Payload and debugging module realize that on IPMC a serial type interface and a Payload CPU with Payload carries out alternately; Also realized a debugging module in addition, used during for debugging routine.IPMF drives and other device drives provide driver for system equipment, and difference is that IPMF drives and can directly calls the api interface that IPMF provides.
It is as follows that this technology exists shortcoming:
The major function of IPMC all is enclosed in the IPMF storehouse, adopt the mode of black box to offer the user, the user can not be known its working mechanism, can't more can't the exploitation of IPMC module be digested and absorb by the understanding of exploitation IPMC module intensification to the rack management function.
The micro-processor kernel of IPMC module adopts proprietary operating system Monterey Linux, and user's exploitation and upgrading are limited by a company easily.
The implementation that is provided only provides limited config option to the user, and the user can't in time correct it when wrong finding, more can't improve and expands its processing capacity.
Can only between the limited hardware framework, select,, must in the MontereyLinux kernel, be the new driving of its exploitation if the user wishes to upgrade hardware platform.
Summary of the invention
At the problems referred to above, the invention provides a kind of method based on event-driven principle developing intellectual resource platform management controller IPMC, this method comprises the following steps:
(1) incident receiving step receives from the system event of outside input;
(2) incident step of converting, conversion system incident are discernible event information of system and output;
(3) incident determining step receives and judges the type of described event information; And event information is inserted in the different event handling formations according to information type;
(4) event handling step is handled and is dispatched the incident in the event handling formation, and sends the fill order of digital signal form;
(5) command execution step, the fill order that receives and transform described digital signal form are the discernible fill order of external equipment.
In described step (4) the event handling step, processing events is polling mode in proper order: at first handling IPMI IPMI command event, secondly is local event, is the Payload incident at last.
Technical solution of the present invention has following beneficial effect:
The user can use according to realizing needs, and intelligent platform management controller IPMC module is developed flexibly, does not only revise several config options and be not subject to, and can satisfy user's actual needs to greatest extent;
The intelligent platform management controller IPMC Development of Module scheme that the present invention proposes, be with good expansibility, when the user need increase new management function, only need to increase corresponding intelligent platform management controller IPMC command process incident and get final product protection user's existing investment;
The present invention does not rely on specific hardware platform, and it is big that the user develops selectable flexibility, helps selecting according to the realization demand, can effectively reduce the development cost of intelligent platform management controller IPMC module;
The present invention adopts the event-driven method to make up the IPMC module, and the user can understand the working mechanism of intelligent platform management controller IPMC module in depth, improves the understanding to ATCA normalized definition mid frame management function.
Description of drawings
Fig. 1 is an IPMC functions of modules logic diagram;
Fig. 2 is the functional schematic block diagram of Pigeon Point Systems scheme;
Fig. 3 is the functional schematic block diagram of IPMC of the present invention system;
Fig. 4 is an event handling flow chart of the present invention.
Fig. 5 is that system mode of the present invention changes event flow diagram
Embodiment
Describe the preferred embodiments of the present invention in detail below in conjunction with accompanying drawing.
With reference to Fig. 3, system of the present invention develops based on event driven manner fully, and all event handling flow processs all adopt similar treatment mechanism, have simplified development process, comprising:
Bottom hardware module 1 is used to receive the outside system event of importing, and described system event is converted into system handles module 2 discernible signals and output.
Below needing to satisfy, described bottom hardware module 1 requires:
Article two, I2C bus, be used for realizing and the rack management controller between reliable communication, can guarantee that still system normally moves after any I2C bus breaks down;
Internal memory (RAM) is used to the operation of IPMC functional protocol stack and real time operating system to provide support;
Analog/digital converter is used for analog signals such as blade temperature, voltage or rotation speed of the fan and carries out digitized processing;
I/O port, be used to control power supply and LED lamp, the Payload that resets CPU, exchanger chip etc. is set;
A communication interface is used for carrying out transfer of data with Payload.
System handles module 2 receives the output of described bottom hardware module 1, and exports after being translated into incident receiver module 3 discernible event informations.
Incident receiver module 3, receive the output result of described system handles module 2, and judge this output result's system event type, distribute the output result to dissimilar event handling formations according to judged result: local event formation and Payload event queue and the formation of IPMI command event, described incident receiver module 3 is divided into three types with system event: local event, Payload incident and IPMI command event.
Described local event is that described Payload incident is the request data frame from Payload by the unusual generation in timer, operator and the hardware running, and described IPMI event handling is from IPMI claim frame and Echo Frame on the IPMB bus.
Memory module 5 is used to store FRU relevant information and Sensor Data Record SDR.
FRU module 51 is used to store manufacturer's information, backplane interface standard and the system event queuing message of FRU, and described FRU module 51 inside have been divided into five district's storage areas.Common header (Common Header) has been preserved version number and other regional offset informations that FRU information realizes, (Internal Use Area) stores user-defined information in the internal user zone, support plate information area (Board Info Area) provides the information of FRU equipment place support plate, (Product InfoArea) just exists when FRU is a stand-alone product in the product information zone, many recorded informations district (MultiRecord Info Area) provide one or more records, the type of record data states that in its field separately the E-Keying information that backboard connects standard also is kept in this zone.
SDR module 52 is used to store the configuration information relevant with transducer.Wherein the SDR that must realize comprises Management Controller position the record (Management Controller Device Locator Record) and FRU equipment position the record (FRU DeviceLocator Records), they have described the FRU facility information that is connected on the IPMB, comprise the position of FRU and type etc.The containment relationship between the entity on the support plate described in entity relationship record (Device-Relative Entity Association Records) between relevant device.The main purpose of Sensor Data Record (Sensor Data Record) is to describe the physics of IPMI ADMINISTRATION SUBSYSTEM and the sensor configuration information of logic to systems soft ware, comprises type of sensor, threshold value setting, event report ability and this transducer can provide value of reading of which kind of type etc.
Event processing module 7 is used for system event is handled and dispatched, and sends the fill order of digital signal form, comprising: local event module 71, Payload event module 72, IPMI command event module 73.
Local event module 71 is used to handle local event, and described local event comprises that periodic transducer reads scan value, operator to the action of hand switch (Handle Switch), IPMB fault and so on incident; Payload event module 72 is used to handle the Payload incident, and described Payload incident comprises: the status indicator lamp renewal of the logical sensor of Payload working station indicator (OOS LED) renewal, the last realization of FRU etc.; IPMI command event module 73, be used for process IP MI command event, described IPMI command event comprises all message interactions between IPMC and rack management controller, comprise that hot-swap (Hot-swap) order, IPMC reset command, LED lamp control command, power supply are provided with order, E-Keying and are provided with that order, house dog (Watchdog) are provided with order, sensor access order, FRU and SDR visit order, FRU control command, IPMB is provided with order, IPMC firmware update and IPMC state etc. is set, but be not limited to above-mentioned incident.
Hardware access module 4 is used to provide external communication interface, and the fill order that receives and transform described digital signal form is the discernible fill order of external equipment.
Hardware access module 4 provides the transmission interface of IPMB bus, the Payload communication interface, the sensor access interface, EEPROM access interface etc., its function comprises: the transmission interface of IPMB is provided, at first attempts from an IPMB sending when sending, if unsuccessful can the commentaries on classics data by another IPMB automatically sends, interface function has been realized retry mechanism to the transmission of data simultaneously, and when sending not success, interface function can be retransmitted this Frame automatically according to the ATCA standard; Provide and Payload between the transmission interface of two-way communication, this interface function adopts affirmation mechanism, if do not receive the affirmation Frame at the appointed time, interface function can attempt retransmitting this Frame; Visit to other peripheral hardware resources encapsulates, as LED, transducer, EEPROM, serial type port, power module, exchange chip etc.
Debugging module 6 is connected with described bottom hardware module, is used for the operation of surveillance event handler procedure, detecting the information state that current system event is handled, and testing result is printed to debugging computer by peripheral interface.
With reference to Fig. 4, a kind of method based on event-driven principle exploitation IPMC provided by the invention comprises the following steps:
(1) incident receiving step, reception is from the system event of outside input, the functional protocol stack of IPMC system is developed based on event driven manner fully, all event handling flow processs all adopt similar treatment mechanism, according to local event, Payload incident and IPMI command event it is classified, prepare event code and event argument then;
(2) incident step of converting, conversion system incident are event informations such as discernible event type of system and event argument and output;
(3) incident determining step, the type of the event information that judgement receives; And according to event type event information is inserted in the different event handling formations and goes, local event is inserted the local event formation, the Payload incident is inserted the Payload event queue, and the IPMI command event is inserted the formation of IPMI command event;
(4) event handling step, incident in the event handling formation is handled and dispatched, and send the fill order of digital signal form, detect in the event queue whether incident is arranged, if the result then repeats this step for not, if the result is for being, then three event queues are adopted the polling mode treatment steps: process IP MI command event at first, next handles local event, handles the Payload incident once more;
(5) command execution step, the fill order that receives and transform described digital signal form are the discernible fill order of external equipment.
Described system handles step (4) can adopt μ C/OS-II operating system to finish.μ C/OS-II operating system is a kind of preemptive type, multitask, the free embedded real-time operating system that transplantability is very strong, since appearance in 1992, in industry and civilian embedded device, obtained to use widely, compare with the embedded OS that Linux derives out, it is smaller and more exquisite that μ C/OS-II operating system has volume, transplant more convenient, real-time is better, be more suitable for being applied to characteristics such as industrial control field, after adopting μ C/OS-II operating system, protocol processes part among the IPMC is available to be transplanted in various types of microprocessors easily, and the transplanting program of the μ C/OS-II of a lot of popular microprocessors can find reference in the community that increases income, when this has just made things convenient for the user to change the bottom microprocessor, functional protocol processing section among the IPMC is transplanted fast.
With reference to Fig. 5, after described step (4) is carried out, judge whether system mode changes and the executive system state changes order, specifically may further comprise the steps:
1) judge whether system mode changes, when system mode changed, the IPMC system can judge whether state changes, if the result is not for, execution in step (5) then is if the result is for being then to carry out following steps;
2) change incident to rack management controller report system mode, wait for the response instruction that the rack management controller sends;
3) if do not receive the correct response instruction of rack management controller, then need to repeat to report this incident.
4) execution in step (5).
Claims (5)
1. method based on event-driven principle developing intellectual resource platform management controller IPMC, this method comprises the following steps:
(1) incident receiving step receives from the system event of outside input;
(2) incident step of converting, conversion system incident are discernible event information of system and output;
(3) incident determining step receives and judges the type of described event information; And event information is inserted in the different event handling formations according to information type;
(4) event handling step is handled and is dispatched the incident in the event handling formation, and sends the fill order of digital signal form;
(5) command execution step, the fill order that receives and transform described digital signal form are the discernible fill order of external equipment; In described step (4) the event handling step, processing events is polling mode in proper order: at first handling IPMI IPMI command event, secondly is local event, is the Payload incident at last.
2. the method based on event-driven principle developing intellectual resource platform management controller IPMC as claimed in claim 1 is characterized in that: described local event comprises one or more in the following incident: periodic transducer is read the action of scan value, hand switch, incident and the Intelligent Platform Management Bus IPMB fault that timer triggers.
3. the method based on event-driven principle developing intellectual resource platform management controller IPMC as claimed in claim 1 is characterized in that: described Payload incident comprises one or more in the following incident: the renewal of Payload operating state OOS LED, the renewal of platform management controller PMC subcard existence and the forwards of management interface.
4. the method based on event-driven principle developing intellectual resource platform management controller IPMC as claimed in claim 1 is characterized in that: described IPMI IPMI command event comprises one or more in the following incident: the hot-swap order, intelligent platform management controller IPMC reset command, LED lamp control command, power supply is provided with order, electron key is provided with order, house dog is provided with order, the sensor access order, replaceable module FRU of smart fields and Sensor Data Record SDR visit order, the replaceable module FRU control command of smart fields, Intelligent Platform Management Bus IPMB is provided with order, intelligent platform management controller IPMC firmware update order and intelligent platform management controller IPMC status command is set.
5. the method based on event-driven principle developing intellectual resource platform management controller IPMC as claimed in claim 1 is characterized in that, after described step (4) is carried out, judges whether system mode changes and the executive system state changes order, specifically may further comprise the steps:
1) judge whether system mode changes, if the result is not for, execution in step (5) then is if the result is for being then to carry out following steps;
2) change incident to rack management controller report system mode, wait for the response instruction that the rack management controller sends;
3) if do not receive the correct response instruction of rack management controller, then need to repeat to report this incident.
4) execution in step (5).
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| CN101448050B (en) * | 2008-12-29 | 2011-01-05 | 华为技术有限公司 | Firmware update device of ATCA system and method thereof |
| CN101894091B (en) * | 2010-06-21 | 2014-12-10 | 中兴通讯股份有限公司 | Method and system for single board I2C expansion and ID check |
| CN108376107A (en) * | 2018-03-01 | 2018-08-07 | 郑州云海信息技术有限公司 | A kind of method, apparatus, equipment and the storage medium of server failure detection |
| CN111475140B (en) * | 2020-03-20 | 2023-09-22 | 湖南快乐阳光互动娱乐传媒有限公司 | App componentization method based on event-driven architecture and event-driven architecture |
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| CN1908902A (en) * | 2005-08-03 | 2007-02-07 | 宏正自动科技股份有限公司 | System of managing peripheral interfaces in ipmi architecture and method thereof |
| CN1929409A (en) * | 2005-09-09 | 2007-03-14 | 环达电脑(上海)有限公司 | Remote based intellectual platform management interface testing system and method |
| CN201039204Y (en) * | 2007-03-30 | 2008-03-19 | 上海未来宽带技术及应用工程研究中心有限公司 | IPMC system development based on event-driven principle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1908902A (en) * | 2005-08-03 | 2007-02-07 | 宏正自动科技股份有限公司 | System of managing peripheral interfaces in ipmi architecture and method thereof |
| CN1929409A (en) * | 2005-09-09 | 2007-03-14 | 环达电脑(上海)有限公司 | Remote based intellectual platform management interface testing system and method |
| CN201039204Y (en) * | 2007-03-30 | 2008-03-19 | 上海未来宽带技术及应用工程研究中心有限公司 | IPMC system development based on event-driven principle |
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