CN1964286B - A master control device with double CPU - Google Patents

A master control device with double CPU Download PDF

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Publication number
CN1964286B
CN1964286B CN2006101658112A CN200610165811A CN1964286B CN 1964286 B CN1964286 B CN 1964286B CN 2006101658112 A CN2006101658112 A CN 2006101658112A CN 200610165811 A CN200610165811 A CN 200610165811A CN 1964286 B CN1964286 B CN 1964286B
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cpu
main control
control device
mailbox
host cpu
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CN1964286A (en
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傅先刚
李海燕
焦旭坡
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New H3C Technologies Co Ltd
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Hangzhou H3C Technologies Co Ltd
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Abstract

The disclosed one-way primary control device with dual CPU comprises: a primary CPU, a secondary CPU, and a business process module controlled by last CPU to form a visual board with CPU. It also discloses a two-way primary device, which includes: a primary CPU of the main primary device connected wit the primary CPU of standby device, a secondary CPU of the main primary device connected wit the secondary CPU of standby device, and a business process module connected by the secondary CPU of primary device. This invention can prevent business interruption or system re-startup.

Description

Main control device with two CPU
Technical field
The present invention relates to the communication equipment administrative skill, relate in particular to a kind of main control device with two CPU (Central Processing Unit, CPU).
Background technology
Communication equipment generally includes main control device and cable card board, and wherein, cable card board is the veneer that is used for Business Processing, comprises Service Processing Module on it; Main control device is used for the business of cable card board transmission managed with route and calculates.In some special application scenarios, the client hopes to obtain higher port density and reduce cost.For satisfying this demand; Originally only be used to manage the main control device that calculates with route and also can bear the partial service Processing tasks; That is: Service Processing Module is integrated on the main control device; Use the direct management service processing module of the original cpu system of main control device, can increase the port density of equipment to a certain extent.
Yet, as shown in Figure 1, in single cpu system, Service Processing Module is arranged on the main control device, CPU is through management channels control Service Processing Module.When CPU calculated for a long time, the message analysis request of Service Processing Module can not in time be responded; When sending a large amount of messages to analyze on the Service Processing Module, can influence the response speed of original management and route computation requirement by CPU.
In addition; In having the system of active and standby main control device; As shown in Figure 2, when active and standby main control device was switched, the Service Processing Module of restarting on the main control device caused service disconnection because of power down; Or because of message analysis request that can not the response service processing module in the middle of the restarting process, and then cause important information to lose.
Summary of the invention
The problem that the present invention will solve provides the main control device of a kind of two CPU of having, to solve prior art integrated service processing module on main control device, causes reducing the defective of original management of main control device and route calculated response speed.
In order to realize above purpose; The invention provides the single channel main control device of a kind of two CPU of having; Comprise host CPU, from CPU and Service Processing Module and mailbox device; Said Service Processing Module is connected and manages control by said from CPU from CPU with said, and said host CPU interconnects from CPU through said mailbox device and high-speed channel and said respectively; Said mailbox device is providing the said high-speed channel of interrupt class high-speed traffic at said host CPU and saidly transmit report information between the CPU for the emergence message between the master-slave cpu of this main control device.
Said Service Processing Module also is connected with said host CPU.
Said Service Processing Module through Sharing Management bus and said host CPU be connected from CPU.
Also comprise the high-speed channel management device, the high-speed channel of said Service Processing Module through the control of said high-speed channel management device respectively with said host CPU be connected from CPU.
Said interrupt class high-speed traffic specifically comprises:
When said when CPU has emergence message to notify said host CPU; Saidly said emergence message is write the said mailbox device stores district from CPU; The addressing information of said emergence message is write the mailbox of host CPU in the said mailbox device, and be triggered to first interruption of said host CPU, said host CPU is caught in said first and is had no progeny; Read the mailbox contents of host CPU in the said mailbox device, and read said emergence message according to said mailbox contents; Or
To have emergence message to notify said during from CPU when said host CPU; Said host CPU writes said emergence message in the said mailbox device stores district; The addressing information of said emergence message is write in the said mailbox device mailbox from CPU, and trigger to deliver to and saidly interrupt from second of CPU, said catching said second from CPU had no progeny; Read in the said mailbox device mailbox contents, and read said emergence message according to said mailbox contents from CPU.
After said host CPU read mailbox contents, said mailbox device was removed automatically or said host CPU is removed said first interruption; Said read mailbox contents from CPU after, said mailbox device is automatically removed or is saidly removed said second from CPU and interrupt.
Said high-speed channel comprises: the ethernet communication passage.
The report information of said high-speed channel transmission comprises: analyze message, Query Information and state information.
Said mailbox device comprises: dual port RAM, normal memory combine with logic controller or normal memory combines with the IO controller.
The present invention also provides the dual master control equipment of a kind of two CPU of having; Comprise main with main control device and subsequent use main control device; Main host CPU with main control device is connected with the host CPU of said subsequent use main control device; Main with main control device from being connected of CPU and subsequent use main control device from CPU, lead and comprise Service Processing Module, with being connected of this main control device from CPU with main control device and/or subsequent use main control device; And manage control from CPU by this main control device; Wherein, main with the main control device host CPU respectively the high-speed channel of the mailbox device through this main control device and this main control device and said main control device from the CPU interconnection, the host CPU in the subsequent use main control device passes through mailbox device and the high-speed channel of this main control device and the interconnecting from CPU of said main control device of this main control device respectively; The mailbox device provides the interrupt class high-speed traffic for the emergence message between the master-slave cpu of this main control device; High-speed channel transmits report information the host CPU of this main control device and this main control device between the CPU.
Service Processing Module also is connected with the host CPU of this main control device.
Service Processing Module is through Sharing Management bus and host CPU of this main control device and being connected from CPU of this main control device; Or Service Processing Module is through the high-speed channel and the host CPU of said main control device and being connected from CPU of this main control device of the control of high-speed channel management device.
The master passes through the high-speed channel direct interconnection with the host CPU of main control device and the host CPU of subsequent use main control device; Or interconnect main interconnecting indirectly indirectly through the high-speed channel management device from CPU and subsequent use main control device from the CPU direct interconnection or through the high-speed channel management device with main control device; Main with the host CPU of main control device and interconnecting indirectly through the high-speed channel management device of subsequent use main control device from CPU, the host CPU of subsequent use main control device and main interconnecting indirectly through the high-speed channel management device with main control device from CPU.
Compared with prior art, the present invention has the following advantages:
The present invention is the configuration service processing module on main control device, utilizes and controls said Service Processing Module from CPU, and in time the message analysis request of response service processing module is independent of each other with original management of main control device and route computing function.And in active and standby main control device applied environment, when main control device was switched, the dummy line clamp can be used as an ordinary lines clamp and handles, and need not restart, so can not produce service disconnection.
Further, interrupt class high-speed traffic and high-speed channel are provided simultaneously, wherein between the master-slave cpu of the present invention; When needing mutual emergence message between the master-slave cpu; Utilize the mailbox device to realize the interrupt class high-speed traffic, guarantee emergency treatment, real-time response key message; When needing mutual bulky information between the master-slave cpu, such as analyzing message, Query Information and state information, utilize high-speed channel to communicate, realize the high capacity communication between two CPU.
Description of drawings
Fig. 1 is the structure chart of direct management service processing module in the prior art single channel main control device;
Fig. 2 is the structure chart of direct management service processing module in the prior art dual master control equipment;
Fig. 3 is the single channel main control device first example structure figure that the present invention has two CPU;
Fig. 4 is the single channel main control device second example structure figure that the present invention has two CPU;
Fig. 5 is single channel main control device the 3rd example structure figure that the present invention has two CPU;
Fig. 6 is single channel main control device the 4th example structure figure that the present invention has two CPU;
Fig. 7 is the dual master control equipment first example structure figure that the present invention has two CPU;
Fig. 8 is the dual master control equipment second example structure figure that the present invention has two CPU;
Fig. 9 is dual master control equipment the 3rd example structure figure that the present invention has two CPU;
Figure 10 is the first example structure figure that the present invention has the main control device realization dummy line clamp of two CPU;
Figure 11 is the second example structure figure that the present invention has the main control device realization dummy line clamp of two CPU;
Figure 12 is the 3rd example structure figure that the present invention has the main control device realization dummy line clamp of two CPU.
Embodiment
A kind of single channel main control device first embodiment of the present invention with two CPU, as shown in Figure 3, comprise host CPU, from CPU, mailbox device and high-speed channel management device.Wherein, Host CPU and the high-speed channel interconnection that provides through mailbox device and high-speed channel management device from CPU; The mailbox device is that the emergence message between the master-slave cpu provides the interrupt class high-speed traffic; Host CPU and from carrying out the exchange of big throughput information through high-speed channel between the CPU, as: transmit and analyze message, Query Information and state information etc.
Wherein, The mailbox device comprises: dual port RAM (Random-Access Memory; Random asccess memory) or normal memory add logic control device or normal memory and add I/O (Input/Output, I/O) controller etc. and can produce the device of interrupt signal.The implementation procedure of interrupt class high-speed traffic specifically comprises: when emergence message notice host CPU is arranged from CPU; From CPU emergence message is write the memory block the mailbox device through data address bus; And the addressing information (for example initial address and length) of this emergence message write the host CPU mailbox in the mailbox device through data address bus; And being triggered to the interruption (be called first interrupt) of host CPU, host CPU is caught in first and is had no progeny, and reads the host CPU mailbox contents in the mailbox device through data address bus; And read emergence message through data address bus according to the addressing information in the mailbox contents; After host CPU read mailbox contents, mailbox device removing first automatically interrupted, or sent order by host CPU to the mailbox device and remove first interruption; Or when host CPU has the emergence message notice from CPU; Host CPU writes the memory block in the mailbox device with emergence message through data address bus; And with the addressing information (for example initial address and length) of this emergence message through data address bus write in the mailbox device from the CPU mailbox; And be triggered to interruption from CPU (being called second interrupts), catch second from CPU and have no progeny, through data address bus read in the mailbox device from the CPU mailbox contents; And read emergence message through data address bus according to the addressing information in the mailbox contents; After reading mailbox contents from CPU, the mailbox device is removed second automatically and is interrupted, or removes second and interrupt by sending order from CPU to the mailbox device.
Wherein, the high-speed channel that carries out the exchange of big throughput information can adopt the ethernet communication passage of friction speed, GE (Gigabit Ethernet, gigabit Ethernet) communication port for example, or adopt the high-speed channel of other type to substitute.For example: the high-speed channel communication between the master-slave cpu, can accomplish through high-speed channels such as Ethernets.On the main control device that uses certain switch of the present invention: after host CPU is accomplished route calculation; All ply-yarn drills that a large amount of routing iinformations need be updated to system go; Host CPU will calculate the routing iinformation of accomplishing earlier and carry out piecemeal by 1200 bytes; Then with the routing iinformation of piecemeal through ethernet channel, send to from CPU with the mode of ethernet frame and to go, go completion being updated to each piece ply-yarn drill one by one the routing iinformation of receiving again from CPU.
Single channel main control device second embodiment that the present invention has two CPU has added Service Processing Module on the basis of first embodiment; As shown in Figure 4; Pass through PCI (Peripheral Component Interconnect from CPU; The Peripheral Component Interconnect standard) Sharing Management bus management Service Processing Module such as bus or PCI-E (PCI Express, PCI expansion) bus constitutes the dummy line clamp on the main control device.Be about to Service Processing Module and be buckled on the main control device, does not handle as a cable card board busy line Card trough position, realizes the service processing function of cable card board.At this moment, from the CPU of CPU as the dummy line clamp, when active and standby main control device was switched, virtual line card was not switched, and business is not interrupted.
It is as shown in Figure 5 that the present invention has single channel main control device the 3rd embodiment of two CPU; Service Processing Module is connected with host CPU through Sharing Management buses such as pci bus or PCI-E buses simultaneously; The Sharing Management bus that makes host CPU is as backup path; When CPU breaks down, host CPU serves as the function from CPU, continues the management service processing module.
It is as shown in Figure 6 that the present invention has single channel main control device the 4th embodiment of two CPU; Service Processing Module can link to each other with master-slave cpu through the high-speed channel management device; For example GE ethernet communication passage is connected with master-slave cpu respectively; Backup path as service message is uploaded when the Sharing Management bus breaks down, communicates through high-speed channel.
Dual master control equipment first embodiment that the present invention has two CPU provides the dual master control equipment of a kind of two CPU of having; As shown in Figure 7; Comprise main with main control device and subsequent use main control device; The master is identical with single channel main control device situation with being connected in main control device and the subsequent use main control device, comprising: through the host CPU of mailbox device and the interconnection of high-speed channel management device and from CPU; The mailbox device provides the interrupt class high-speed traffic; The high-speed channel management device is used for transmitting report information at host CPU and between the CPU.Respectively through the high-speed channel management device interconnection of two-way high-speed channel and primary and backup main control device, the professional nothing of realization Service Processing Module interrupts switching from CPU.In the virtual line card plate mode; Main function with the dummy line clamp (back is called dummy line clamp A) on the main control device (back is called main control device A) is the same with the ordinary lines clamp; Dummy line clamp A not only has management channels to communicate by letter with main control device A, also has management channels to link to each other with subsequent use main control device (back is called main control device B).Behind main control device generation masterslave switchover, after dummy line clamp A detected main control device B and become main usefulness, handover management passage and main control device B communicated, and accept the management of main control device B.Dummy line clamp A is not restarted with main control device A, and business also keeps not interrupting.After main control device B was upgraded to main using, the dummy line clamp B above it also switched to main control device B and communicates, and accepts the management of main control device B, and professional maintenance do not interrupt on it.When main control device was switched, the dummy line clamp can be used as a cable card board processing completely, need not restart, and can accomplish seamless switching in this instance; Can common codes from CPU and cable card board CPU, so software transplanting is very simple, noting be used in increases the Business Processing code in the host CPU, thereby reduces software complexity.
Among Fig. 7 be two and can pass through the high-speed channel direct interconnection, can certainly interconnect indirectly through the high-speed channel management device from CPU, as shown in Figure 8.In system, if main control device uses under the virtual line card plate mode, two need not be transmitted synchronizing information from the high-speed channel between the CPU; If main control device uses the peer backup pattern, be used for the synchronous protocol analysis from CPU, active and standby main control device answer the timed sending synchronizing information from CPU, thereby guarantee that when active and standby main control device is switched two information from the CPU are consistent.
Two have many paths to link to each other from CPU in the native system, and the high-speed channel that the transmission of synchronizing information is first-selected direct-connected if direct-connected high-speed channel has fault, can send synchronizing information to the high-speed channel of linking the high-speed channel management device, transmits through management device.If two passes does not connect, then can the result be sent to host CPU, let host CPU send to the plate host CPU, be given to plate from CPU then.Two other host CPU can directly link to each other through high-speed channel as Fig. 7, also can link to each other through the high-speed channel management device to plate, and is as shown in Figure 9.
On the main control device of Fig. 7, can flexible compatible configuration service processing module or the situation of configuration service processing module not.If the configuration service processing module, requirement is the message analysis request of response service processing module in time, is independent of each other with original management of main control device and route computing function; Can be easily with the Service Processing Module software transplanting on the former cable card board to main control device software; The business that requires during masterslave switchover to restart on the main control device is not affected.Not during the configuration service processing module, be used to share the computation requirement of a part of host CPU from CPU, be used for the protocol processes of a part from CPU, host CPU then is used for management and other protocol processes.For example: host CPU only is responsible for route and is calculated and manage, and analyzes all protocol massages from CPU.Through the ethernet management passage, can catch protocol massages from CPU, and carry out protocal analysis from host CPU or cable card board.After accomplishing protocal analysis, possibly the result that those are not urgent feed back to host CPU or cable card board through the ethernet management passage.For those very urgent information,, then notify to main control device through the interrupt communication path such as link down or recovery.Main control device sets about upgrading routing table immediately, MAC list items such as (Media Access Control, medium access controls), and be handed down to from CPU and cable card board.
In addition, main with configuration service processing module simultaneously on main control device and the subsequent use main control device, can be simultaneously configuration service processing module not, also can be only the master with main control device or subsequent use main control device on the configuration service processing module.When main with main control device and subsequent use main control device on simultaneously during the configuration service processing module, the dummy line clamp of active and standby main control device can be used as two fully independently cable card boards, also can be with the complete peer backup of active and standby main control device.
A kind of main control device with two CPU of the present invention realizes that first embodiment of dummy line clamp is shown in figure 10; Comprise host CPU and from CPU; Also comprise: Service Processing Module; Be connected and manage control from CPU through Sharing Management buses such as pci bus or PCI-E buses from CPU with said, constitute the dummy line clamp from CPU with said by said.
The main control device that the present invention is a kind of to have two CPU realizes that second embodiment of dummy line clamp is shown in figure 11, and Service Processing Module the Sharing Management bus such as also passes through and is connected the backup path of formation dummy line clamp with said host CPU.
A kind of main control device with two CPU of the present invention realizes that the 3rd embodiment of dummy line clamp is shown in figure 12; Also comprise the high-speed channel management device; Said Service Processing Module interconnects with host CPU with from CPU respectively through the high-speed channel of said high-speed channel management device control, provides business to report backup path.
More than disclosedly be merely several specific embodiment of the present invention, still, the present invention is not limited thereto, any those skilled in the art can think variation all should fall into protection scope of the present invention.

Claims (13)

1. single channel main control device with two CPU; It is characterized in that; Comprise host CPU, from CPU and Service Processing Module and mailbox device; Said Service Processing Module is connected and manages control by said from CPU from CPU with said, and said host CPU interconnects from CPU through said mailbox device and high-speed channel and said respectively; Said mailbox device provides the interrupt class high-speed traffic for the emergence message between the master-slave cpu of this main control device, and said high-speed channel is at said host CPU and saidly transmit report information between the CPU.
2. have the single channel main control device of two CPU according to claim 1, it is characterized in that, said Service Processing Module also is connected with said host CPU.
3. like the said single channel main control device of claim 2, it is characterized in that with two CPU, said Service Processing Module through Sharing Management bus and said host CPU be connected from CPU.
4. like the said single channel main control device of claim 2, it is characterized in that, also comprise the high-speed channel management device with two CPU, the high-speed channel of said Service Processing Module through the control of said high-speed channel management device respectively with said host CPU be connected from CPU.
5. have the single channel main control device of two CPU according to claim 1, it is characterized in that, said interrupt class high-speed traffic specifically comprises:
When said when CPU has emergence message to notify said host CPU; Saidly said emergence message is write the said mailbox device stores district from CPU; The addressing information of said emergence message is write the mailbox of host CPU in the said mailbox device, and be triggered to first interruption of said host CPU, said host CPU is caught in said first and is had no progeny; Read the mailbox contents of host CPU in the said mailbox device, and read said emergence message according to said mailbox contents; Or
To have emergence message to notify said during from CPU when said host CPU; Said host CPU writes said emergence message in the said mailbox device stores district; The addressing information of said emergence message is write in the said mailbox device mailbox from CPU, and trigger to deliver to and saidly interrupt from second of CPU, said catching said second from CPU had no progeny; Read in the said mailbox device mailbox contents, and read said emergence message according to said mailbox contents from CPU.
6. like the said single channel main control device of claim 5, it is characterized in that after said host CPU read mailbox contents, said mailbox device was removed automatically or said host CPU is removed said first interruption with two CPU; Said read mailbox contents from CPU after, said mailbox device is automatically removed or is saidly removed said second from CPU and interrupt.
7. have the single channel main control device of two CPU according to claim 1, it is characterized in that said high-speed channel comprises: the ethernet communication passage.
8. like the said single channel main control device of claim 7, it is characterized in that the report information of said high-speed channel transmission comprises: analyze message, Query Information and state information with two CPU.
9. like each said single channel main control device with two CPU in the claim 1 to 9, it is characterized in that said mailbox device comprises: dual port RAM, normal memory combine with logic controller or normal memory combines with the I/O controller.
10. dual master control equipment with two CPU; It is characterized in that; Comprise mainly with main control device and subsequent use main control device, main host CPU with main control device is connected with the host CPU of subsequent use main control device, leads being connected from CPU from CPU and subsequent use main control device with main control device; The master comprises Service Processing Module with main control device and/or subsequent use main control device; Service Processing Module is connected from CPU with this main control device, and by this main control device manage control from CPU, wherein; Main host CPU with main control device respectively through the high-speed channel in the mailbox device in this main control device and this main control device and this main control device from the CPU interconnection, the host CPU of subsequent use main control device passes through the interconnecting from CPU of mailbox device and the high-speed channel in this main control device and this main control device in this main control device respectively; The mailbox device provides the interrupt class high-speed traffic for the emergence message between the master-slave cpu of this main control device; High-speed channel transmits report information the host CPU of this main control device and this main control device between the CPU.
11., it is characterized in that Service Processing Module also is connected with the host CPU of this main control device like the said dual master control equipment of claim 10 with two CPU.
12., it is characterized in that Service Processing Module is through Sharing Management bus and host CPU of this main control device and being connected from CPU of this main control device like claim 10 or 11 said dual master control equipment with two CPU; Or Service Processing Module is through the high-speed channel and host CPU of this main control device and being connected from CPU of this main control device of the control of high-speed channel management device.
13., it is characterized in that the master passes through the high-speed channel direct interconnection with the host CPU of main control device and the host CPU of subsequent use main control device, or interconnects indirectly through the high-speed channel management device like the said dual master control equipment of claim 10 with two CPU; Main interconnecting indirectly from CPU and subsequent use main control device from the CPU direct interconnection or through the high-speed channel management device with main control device; Main with the host CPU of main control device and interconnecting indirectly through the high-speed channel management device of subsequent use main control device from CPU, the host CPU of subsequent use main control device and main interconnecting indirectly through the high-speed channel management device with main control device from CPU.
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CN101808091A (en) * 2010-03-11 2010-08-18 中兴通讯股份有限公司 Control method and control system for supporting data protocol protection
CN102412973B (en) * 2011-11-22 2014-04-02 北京星网锐捷网络技术有限公司 Engine module, line card, communication equipment and grace reboot method of line card
CN102710451A (en) * 2012-06-21 2012-10-03 迈普通信技术股份有限公司 BASE-bus-based board card device and control method thereof
CN105634769A (en) * 2014-10-29 2016-06-01 中兴通讯股份有限公司 Routing device management method, main master control unit, and line card unit
CN108021407B (en) * 2017-12-06 2021-01-15 锐捷网络股份有限公司 Service processing method and device based on network equipment

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Address after: 310052 Binjiang District Changhe Road, Zhejiang, China, No. 466, No.

Patentee after: Xinhua three Technology Co., Ltd.

Address before: 310053 Hangzhou hi tech Industrial Development Zone, Zhejiang province science and Technology Industrial Park, No. 310 and No. six road, HUAWEI, Hangzhou production base

Patentee before: Huasan Communication Technology Co., Ltd.