CN113553283A - Two-way server and communication method thereof - Google Patents
Two-way server and communication method thereof Download PDFInfo
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- CN113553283A CN113553283A CN202110759676.9A CN202110759676A CN113553283A CN 113553283 A CN113553283 A CN 113553283A CN 202110759676 A CN202110759676 A CN 202110759676A CN 113553283 A CN113553283 A CN 113553283A
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- G06F13/38—Information transfer, e.g. on bus
- G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F15/00—Digital computers in general; Data processing equipment in general
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Abstract
The invention discloses a two-way server and a communication method thereof. Wherein, the two-way server includes: the high-speed serial computer expansion bus standard channel of the central processing unit is connected with the channel switch chip, the central processing unit provides the high-speed serial computer expansion bus standard channel function, and the channel switch chip provides the same high-speed serial computer expansion bus standard channel function as the central processing unit. By the mode, the dual-path server has the same high-speed serial computer expansion bus standard channel function of the two paths of central processing units when being matched with the one path of central processing unit.
Description
Technical Field
The invention relates to the technical field of two-way servers, in particular to a two-way server and a communication method thereof.
Background
In an existing two-way server, each CPU (central processing unit) generally has 128 PCIE (peripheral component interconnect express) channels at most, and 64 PCIE channels at most can combine the interconnect communication channel (xGMI) function of the CPU.
The existing two-way server is generally provided with two central processing units, each central processing unit has at most 64 PCIE channels which can be used as an interconnection communication channel xGMI between the two central processing units, so that each central processing unit in the two central processing units can have at most 64 available PCIE channels, and the two-way server can have at most 128 PCIE channels.
However, when the existing two-way server is collocated with one central processing unit, at most 64 high-speed serial computer expansion bus standard PCIE channels originally used as an interconnection communication channel xGMI function of the one central processing unit cannot be used because the one central processing unit cannot be connected to another central processing unit, so that the two-way server can only have at most 64 high-speed serial computer expansion bus standard PCIE channels through the one central processing unit, and the two-way server cannot have the same high-speed serial computer expansion bus standard PCIE channel function of the two central processing units when collocated with the one central processing unit.
Disclosure of Invention
In view of the above, the present invention is directed to a dual-channel server and a communication method thereof, which can implement that the dual-channel server has the same standard channel function of the high-speed serial computer expansion bus as two central processing units when being collocated with one central processing unit.
According to an aspect of the present invention, there is provided a two-way server including: a central processing unit and a channel switch chip; the high-speed serial computer expansion bus standard channel of the central processing unit is connected with the channel switch chip; the central processing unit is used for providing the standard channel function of the expansion bus of the high-speed serial computer; the channel switch chip is used for providing the standard channel function of the high-speed serial computer expansion bus which is the same as that of the central processing unit.
The high-speed serial computer expansion bus standard channel of the central processing unit is divided into two groups of eight high-speed serial computer expansion bus standard channel root complexes, wherein one group of high-speed serial computer expansion bus standard channel root complexes is also compounded with an interconnection communication channel and is connected with the channel switch chip for interconnecting the functions of the communication channels, and the other group of high-speed serial computer expansion bus standard channel root complexes is used for connecting high-speed serial computer expansion bus standard equipment.
The interconnected communication channel compounded by the root complex of the standard channels of one group of the high-speed serial computer expansion buses comprises 16 pairs of sending differential signals and 16 pairs of receiving differential signals, and the same physical channel interface is multiplexed with the standard channels of one group of the high-speed serial computer expansion buses.
The central processing unit comprises a first universal serial bus channel interface which is used for compatibility and expansion of channel data.
The channel switch chip comprises a second universal serial bus channel interface which is used for compatibility and expansion of channel data.
According to another aspect of the present invention, there is provided a two-way server connection method, including: the two-way server comprises a central processing unit and a channel switch chip; the high-speed serial computer expansion bus standard channel of the central processing unit is connected with the channel switch chip; the central processing unit provides the standard channel function of the expansion bus of the high-speed serial computer; the channel switch chip provides the same standard channel function of the high-speed serial computer expansion bus as the central processing unit.
The high-speed serial computer expansion bus standard channel of the central processing unit is divided into two groups of eight high-speed serial computer expansion bus standard channel root complexes, wherein one group of high-speed serial computer expansion bus standard channel root complexes is also compounded with an interconnection communication channel and is connected with the channel switch chip for interconnecting the functions of the communication channels, and the other group of high-speed serial computer expansion bus standard channel root complexes is used for connecting high-speed serial computer expansion bus standard equipment.
The interconnected communication channel compounded by the root complex of the standard channels of one group of the high-speed serial computer expansion buses comprises 16 pairs of sending differential signals and 16 pairs of receiving differential signals, and the same physical channel interface is multiplexed with the standard channels of one group of the high-speed serial computer expansion buses.
The central processing unit comprises a first universal serial bus channel interface which is used for compatibility and expansion of channel data.
The channel switch chip comprises a second universal serial bus channel interface which is used for compatibility and expansion of channel data.
It can be found that, according to the above scheme, the dual-path server may include a central processing unit and a channel switch chip, the high-speed serial computer expansion bus standard channel of the central processing unit is connected with the channel switch chip, the central processing unit may provide the high-speed serial computer expansion bus standard channel function, the channel switch chip may provide the high-speed serial computer expansion bus standard channel function the same as that of the central processing unit, and the dual-path server may have the high-speed serial computer expansion bus standard channel function the same as that of the two central processing units when being collocated with one central processing unit.
Furthermore, according to the above scheme, the high-speed serial computer expansion bus standard channel of the central processing unit can be divided into two groups of eight high-speed serial computer expansion bus standard channel root complexes, wherein one group of the high-speed serial computer expansion bus standard channel root complexes is also compounded with an interconnection communication channel, is connected with the channel switch chip and is used for interconnecting the communication channel function, and the other group of the high-speed serial computer expansion bus standard channel root complexes is used for connecting high-speed serial computer expansion bus standard equipment.
Further, according to the above scheme, the interconnection communication channel compounded by the root complex of the group of high-speed serial computer expansion bus standard channels has 16 pairs of sending differential signals and 16 pairs of receiving differential signals, and the same physical channel interface is multiplexed with the group of high-speed serial computer expansion bus standard channels, so that the functions of realizing the standard channel function of the single-path high-speed serial computer expansion bus and the composite interconnection communication channel can be realized.
Further, according to the above scheme, the central processing unit may include a first usb channel interface for compatibility and expansion of channel data, which may be beneficial to enable the two-way server to have the function of compatibility and expansion of channel data.
Further, according to the above scheme, the channel switch chip may include a second universal serial bus channel interface for compatibility and expansion of channel data, which is advantageous in that a two-way server having the function of compatibility and expansion of channel data can be realized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a two-way server according to an embodiment of the present invention;
fig. 2 is a flowchart illustrating a two-way server connection method according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be noted that the following examples are only illustrative of the present invention, and do not limit the scope of the present invention. Similarly, the following examples are only some but not all examples of the present invention, and all other examples obtained by those skilled in the art without any inventive work are within the scope of the present invention.
The invention provides a double-path server which can realize that the double-path server has the same standard channel function of a high-speed serial computer expansion bus of two paths of central processing units when being matched with one path of central processing unit.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a two-way server according to an embodiment of the present invention. In this embodiment, the two-way server 10 includes a central processing unit 11 and a channel switch chip 12.
The high-speed serial computer expansion bus standard channel of the central processing unit 11 is connected with the channel switch chip 12.
The central processing unit 11 is used for providing the standard channel function of the high-speed serial computer expansion bus.
The channel switch chip 12 is used to provide the same standard channel function of the high-speed serial computer expansion bus as the central processing unit 11.
Alternatively, the high-speed serial computer expansion bus standard channel of the central processing unit 11 may be divided into two groups of eight high-speed serial computer expansion bus standard channel root complexes, wherein one group of the high-speed serial computer expansion bus standard channel root complexes further comprises an interconnection communication channel, connected to the channel switch chip 12, for interconnecting the communication channel functions, and wherein the other group of the high-speed serial computer expansion bus standard channel root complexes is used for connecting high-speed serial computer expansion bus standard devices, which has an advantage of being able to implement a single-channel high-speed serial computer expansion bus standard channel function.
Optionally, the interconnection communication channel compounded by the root complex of the group of high-speed serial computer expansion bus standard channels has 16 pairs of sending differential signals and 16 pairs of receiving differential signals, and the same physical channel interface is multiplexed with the group of high-speed serial computer expansion bus standard channels, so that the functions of realizing the single-path high-speed serial computer expansion bus standard channel and the composite interconnection communication channel can be realized.
Optionally, the central processing unit 11 may include a first Universal Serial Bus channel interface (USB) (not shown) for compatibility and expansion of channel data, which is advantageous in that the two-way server has compatibility and expansion functions of channel data.
Optionally, the channel switch chip 12 may include a second universal serial bus channel interface for compatibility and expansion of channel data, which is advantageous in that a two-way server with compatibility and expansion functions of channel data can be realized.
It can be found that, in this embodiment, the dual-channel server may include a central processing unit and a channel switch chip, the high-speed serial computer expansion bus standard channel of the central processing unit is connected to the channel switch chip, the central processing unit may provide the high-speed serial computer expansion bus standard channel function, the channel switch chip may provide the high-speed serial computer expansion bus standard channel function the same as that of the central processing unit, and the dual-channel server may have the high-speed serial computer expansion bus standard channel function the same as that of the two central processing units when being collocated with one central processing unit.
Further, in this embodiment, the high-speed serial computer expansion bus standard channel of the central processing unit may be divided into two groups of eight high-speed serial computer expansion bus standard channel root complexes, wherein one group of the high-speed serial computer expansion bus standard channel root complexes further comprises an interconnection communication channel, connected to the channel switch chip, for interconnecting the communication channel functions, and wherein the other group of the high-speed serial computer expansion bus standard channel root complexes is used for connecting the high-speed serial computer expansion bus standard equipment, which is advantageous in that it is possible to implement a single-channel high-speed serial computer expansion bus standard channel function.
Further, in this embodiment, the interconnection communication channel compounded by the group of high-speed serial computer expansion bus standard channel root complex has 16 pairs of sending differential signals and 16 pairs of receiving differential signals, and the same physical channel interface is multiplexed with the group of high-speed serial computer expansion bus standard channels, which has the advantage that the function of realizing the composite interconnection communication channel can be realized while realizing the function of realizing the single-channel high-speed serial computer expansion bus standard channel.
Further, in this embodiment, the central processing unit may include a first usb channel interface for compatibility and expansion of channel data, which is advantageous in that the two-way server can have compatibility and expansion functions of channel data.
Further, in this embodiment, the channel switch chip may include a second universal serial bus channel interface for compatibility and expansion of channel data, which is advantageous in that a two-way server having the function of compatibility and expansion of channel data can be realized.
The invention also provides a two-way server communication method, which can realize that the two-way server has the same high-speed serial computer expansion bus standard channel function of the two central processing units when being matched with one central processing unit.
Referring to fig. 2, fig. 2 is a flowchart illustrating a two-way server communication method according to an embodiment of the present invention. The two-way server comprises a central processing unit and a channel switch chip. It should be noted that the method of the present invention is not limited to the flow sequence shown in fig. 2 if the results are substantially the same. As shown in fig. 2, the method comprises the steps of:
s201: the high-speed serial computer expansion bus standard channel of the central processing unit is connected with the channel switch chip.
S202: the CPU provides standard channel function of high speed serial computer expansion bus.
S203: the channel switch chip provides the same standard channel function of the high-speed serial computer expansion bus as the central processing unit.
The high-speed serial computer expansion bus standard channel of the central processing unit can be divided into two groups of eight high-speed serial computer expansion bus standard channel root complexes, wherein one group of high-speed serial computer expansion bus standard channel root complexes is also compounded with an interconnection communication channel and is connected with the channel switch chip for interconnecting the communication channel functions, and the other group of high-speed serial computer expansion bus standard channel root complexes is used for connecting high-speed serial computer expansion bus standard equipment.
The interconnection communication channel compounded by the root complex of the one group of high-speed serial computer expansion bus standard channels has 16 pairs of sending differential signals and 16 pairs of receiving differential signals, and the same physical channel interface is multiplexed with the one group of high-speed serial computer expansion bus standard channels, so that the function of realizing the standard channel function of the single-path high-speed serial computer expansion bus and the function of compounding the interconnection communication channels can be realized.
The central processor can comprise a first universal serial bus channel interface for compatibility and expansion of channel data, so that the advantage that the two-way server has the compatibility and expansion functions of the channel data can be realized.
The channel switch chip can comprise a second universal serial bus channel interface for compatibility and expansion of channel data, and the advantage that the two-way server can be provided with the compatibility and expansion functions of the channel data is realized.
In this embodiment, each unit module in the two-way server communication method can respectively perform the functions and actions of the corresponding unit module in the two-way server embodiment, so that the detailed description of each unit module is omitted here, and please refer to the description of the functions and actions of the corresponding unit module above.
It can be found that, according to the above scheme, the dual-path server may include a central processing unit and a channel switch chip, the high-speed serial computer expansion bus standard channel of the central processing unit is connected with the channel switch chip, the central processing unit may provide the high-speed serial computer expansion bus standard channel function, the channel switch chip may provide the high-speed serial computer expansion bus standard channel function the same as that of the central processing unit, and the dual-path server may have the high-speed serial computer expansion bus standard channel function the same as that of the two central processing units when being collocated with one central processing unit.
Furthermore, according to the above scheme, the high-speed serial computer expansion bus standard channel of the central processing unit can be divided into two groups of eight high-speed serial computer expansion bus standard channel root complexes, wherein one group of the high-speed serial computer expansion bus standard channel root complexes is also compounded with an interconnection communication channel, is connected with the channel switch chip and is used for interconnecting the communication channel function, and the other group of the high-speed serial computer expansion bus standard channel root complexes is used for connecting high-speed serial computer expansion bus standard equipment.
Further, according to the above scheme, the interconnection communication channel compounded by the root complex of the group of high-speed serial computer expansion bus standard channels has 16 pairs of sending differential signals and 16 pairs of receiving differential signals, and the same physical channel interface is multiplexed with the group of high-speed serial computer expansion bus standard channels, so that the functions of realizing the standard channel function of the single-path high-speed serial computer expansion bus and the composite interconnection communication channel can be realized.
Further, according to the above scheme, the central processing unit may include a first usb channel interface for compatibility and expansion of channel data, which may be beneficial to enable the two-way server to have the function of compatibility and expansion of channel data.
Further, according to the above scheme, the channel switch chip may include a second universal serial bus channel interface for compatibility and expansion of channel data, which is advantageous in that a two-way server having the function of compatibility and expansion of channel data can be realized.
In the several embodiments provided in the present invention, it should be understood that the disclosed system, apparatus and method may be implemented in other manners. For example, the above-described apparatus embodiments are merely illustrative, and for example, a division of a module or a unit is merely a logical division, and an actual implementation may have another division, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
Units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be substantially or partially implemented in the form of a software product stored in a storage medium and including instructions for causing a computer device (which may be a personal computer, a server, a network device, or the like) or a processor (processor) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above description is only a part of the embodiments of the present invention, and not intended to limit the scope of the present invention, and all equivalent devices or equivalent processes performed by the present invention through the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A two-way server, comprising:
a central processing unit and a channel switch chip;
the high-speed serial computer expansion bus standard channel of the central processing unit is connected with the channel switch chip;
the central processing unit is used for providing the standard channel function of the expansion bus of the high-speed serial computer;
the channel switch chip is used for providing the standard channel function of the high-speed serial computer expansion bus which is the same as that of the central processing unit.
2. The dual-channel server as claimed in claim 1, wherein the high-speed serial computer expansion bus standard channel of the cpu is divided into two groups of eight high-speed serial computer expansion bus standard channel root complexes, wherein one group of the high-speed serial computer expansion bus standard channel root complexes further comprises an interconnection communication channel connected to the channel switch chip for interconnecting communication channel functions, and wherein the other group of the high-speed serial computer expansion bus standard channel root complexes is connected to the high-speed serial computer expansion bus standard equipment.
3. The two-way server according to claim 1, wherein the interconnecting communication channel of the one set of high speed serial computer expansion bus standard channel root complex has 16 pairs of transmit differential signals and 16 pairs of receive differential signals, and the same physical channel interface is multiplexed with the one set of high speed serial computer expansion bus standard channels.
4. The two-way server according to claim 1, wherein the central processor includes a first universal serial bus channel interface for compatibility and expansion of channel data.
5. The two-way server according to claim 1, wherein the channel switch chip includes a second universal serial bus channel interface for compatibility and expansion of channel data.
6. A two-way server communication method is characterized by comprising the following steps:
the two-way server comprises a central processing unit and a channel switch chip;
the high-speed serial computer expansion bus standard channel of the central processing unit is connected with the channel switch chip;
the central processing unit provides the standard channel function of the expansion bus of the high-speed serial computer;
the channel switch chip provides the same standard channel function of the high-speed serial computer expansion bus as the central processing unit.
7. The two-way server communication method according to claim 6, wherein the high-speed serial computer expansion bus standard channel of the cpu is divided into two groups of eight high-speed serial computer expansion bus standard channel root complexes, wherein one group of the high-speed serial computer expansion bus standard channel root complexes further comprises an interconnection communication channel connected to the channel switch chip for interconnecting communication channel functions, and wherein the other group of the high-speed serial computer expansion bus standard channel root complexes is connected to the high-speed serial computer expansion bus standard equipment.
8. The two-way server communication method according to claim 6, wherein the interconnecting communication channel of the one set of high speed serial computer expansion bus standard channel root complex has 16 pairs of transmitting differential signals and 16 pairs of receiving differential signals, and the same physical channel interface is multiplexed with the one set of high speed serial computer expansion bus standard channels.
9. The two-way server communication method of claim 6, wherein the central processor includes a first universal serial bus channel interface for compatibility and expansion of channel data.
10. The two-way server communication method according to claim 6, wherein the channel switch chip includes a second universal serial bus channel interface for compatibility and expansion of channel data.
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