CN110990116A - Method, device and system for transmitting data between intelligent network card and virtual machine - Google Patents
Method, device and system for transmitting data between intelligent network card and virtual machine Download PDFInfo
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- CN110990116A CN110990116A CN201911146227.6A CN201911146227A CN110990116A CN 110990116 A CN110990116 A CN 110990116A CN 201911146227 A CN201911146227 A CN 201911146227A CN 110990116 A CN110990116 A CN 110990116A
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
- G06F9/45533—Hypervisors; Virtual machine monitors
- G06F9/45558—Hypervisor-specific management and integration aspects
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F15/00—Digital computers in general; Data processing equipment in general
- G06F15/16—Combinations of two or more digital computers each having at least an arithmetic unit, a program unit and a register, e.g. for a simultaneous processing of several programs
- G06F15/163—Interprocessor communication
- G06F15/173—Interprocessor communication using an interconnection network, e.g. matrix, shuffle, pyramid, star, snowflake
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
- G06F9/45533—Hypervisors; Virtual machine monitors
- G06F9/45558—Hypervisor-specific management and integration aspects
- G06F2009/45579—I/O management, e.g. providing access to device drivers or storage
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Abstract
The invention provides a method, a control device, a storage medium and a system for transmitting data between an intelligent network card and a virtual machine, wherein the method comprises the following steps: loading an unloadable virtual function network card and a non-unloadable software network card on a virtual machine, wherein the virtual function network card corresponds to the physical function of the intelligent network card; under the condition that the virtual function network card exists, the virtual function network card is set to be started only, when the intelligent network card fails, the virtual function network card is unloaded from the virtual machine, and the software network card is started; and resetting the intelligent network card, and reloading the virtual function network card to the virtual machine after the resetting is successful. By the method and the device, even if the intelligent network card fails, the forwarding of the data flow by the virtual machine can be ensured, and the high-performance data forwarding is recovered again after the intelligent network card is recovered quickly.
Description
Technical Field
The invention relates to a method, a control device, a storage medium and a system for transmitting data between an intelligent network card and a virtual machine.
Background
With the continuous development of cloud computing, the intelligent network card becomes a standard network card for cloud computing, and the intelligent network card brings better performance by unloading forwarding data (traffic) to hardware. The Virtual Function (VF) network card corresponding to the Physical Function (PF) of the intelligent network card is distributed (loaded) on the virtual machine, and data can be successfully unloaded onto hardware no matter the flow is transmitted from the virtual machine to the intelligent network card or is received on the intelligent network card and transmitted to the cloud host, so that the use of a system (such as a CPU) using the physical machine is avoided.
The appearance of the intelligent network card brings about a leap-type improvement of performance, but due to the introduction of the complex function of unloading, the software package (driver and firmware) of the network card becomes more complex, so that the intelligent network card can also face the problem of abnormal fault of the traditional software. Once the intelligent network card fails, the VF network card of the virtual machine also fails, and at this time, even a disaster recovery scenario in which the physical machine has two intelligent network cards is not available.
Disclosure of Invention
In order to solve the above problem, the present invention provides a method for transmitting data between an intelligent network card and a virtual machine, where the method includes:
loading an unloadable virtual function network card and a non-unloadable software network card on the virtual machine, wherein the virtual function network card corresponds to the physical function of the intelligent network card;
setting to enable the virtual function network card only under the condition that the virtual function network card exists,
when the intelligent network card fails, the virtual function network card is unloaded from the virtual machine, and the software network card is started;
and resetting the intelligent network card, and reloading the virtual function network card to the virtual machine after the resetting is successful.
The intelligent network card and the virtual machine are located on the same physical machine.
The starting of the virtual function network card means that data is transmitted between the virtual machine and the intelligent network card through the virtual function network card.
The starting of the software network card refers to a system for sending the data of the virtual machine to the physical machine through the software network card.
The invention also provides a control device for transmitting data between the intelligent network card and the virtual machine, which comprises:
the loading unit loads an unloadable virtual function network card and a non-unloadable software network card on the virtual machine, wherein the virtual function network card corresponds to the physical function of the intelligent network card;
a setting unit configured to enable only the virtual function network card when the virtual function network card exists,
the unloading unit is used for unloading the virtual function network card from the virtual machine and starting the software network card when the intelligent network card fails;
and the resetting unit is used for resetting the intelligent network card and reloading the virtual function network card to the virtual machine after the resetting is successful.
The present invention also provides a computer-readable storage medium having instructions stored therein, which when executed, cause the computer to perform a method of transmitting data between a smart network card and a virtual machine, the instructions comprising:
loading instructions, namely loading an unloadable virtual function network card and a non-unloadable software network card on the virtual machine, wherein the virtual function network card corresponds to the physical function of the intelligent network card;
setting instructions to enable the virtual function network card only when the virtual function network card exists,
an unloading instruction, when the intelligent network card fails, unloading the virtual function network card from the virtual machine, and starting the software network card;
and resetting the intelligent network card by a reset instruction, and reloading the virtual function network card to the virtual machine after the intelligent network card is successfully reset.
The present invention also provides a system comprising:
a memory for storing instructions for execution by one or more processors of the system, and a processor, which is one of the processors of the system, for performing a method of transmitting data between an intelligent network card and a virtual machine.
By the method and the device, even if the intelligent network card fails, the forwarding of the data flow by the virtual machine can be ensured, and the high-performance data forwarding is recovered again after the intelligent network card is recovered quickly.
Drawings
FIG. 1 is a block diagram illustrating a system for transmitting data between an intelligent network card and a virtual machine according to an embodiment of the present invention;
FIG. 2 shows a schematic diagram of a physical machine according to an embodiment of the invention;
fig. 3 is a block diagram illustrating a control apparatus for transmitting data between an intelligent network card and a virtual machine according to an embodiment of the present invention;
fig. 4 is a flowchart illustrating a method for transmitting data between an intelligent network card and a virtual machine according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure. While the invention will be described in conjunction with the preferred embodiments, it is not intended that features of the invention be limited to these embodiments. On the contrary, the invention is described in connection with the embodiments for the purpose of covering alternatives or modifications that may be extended based on the claims of the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be practiced without these particulars. Moreover, some of the specific details have been left out of the description in order to avoid obscuring or obscuring the focus of the present invention. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
It should be noted that in this specification, like reference numerals and letters refer to like items in the following drawings, and thus, once an item is defined in one drawing, it need not be further defined and explained in subsequent drawings.
The terms "first," "second," and the like, are used solely to distinguish one from another, do not denote any order, and are not to be construed as indicating or implying relative importance.
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
The embodiments provided by the present invention can be implemented in a mobile terminal, a computer terminal, or a similar computing device (e.g., an ECU (Electronic Control Unit)), or a system. Taking an example of a system, fig. 1 is a block diagram of a hardware structure of a system for transmitting data between an intelligent network card and a virtual machine according to an embodiment of the present invention. As shown in fig. 1, the system 100 may include one or more (only one shown) processors 101 (the processor 101 may include, but is not limited to, a processing device such as a central processing unit CPU, an image processor GPU, a digital signal processor DSP, a microprocessor MCU, or a programmable logic device FPGA), an input-output interface 102 for interacting with a user, a memory 103 for storing data, and a transmission device 104 for communication functions. It will be understood by those skilled in the art that the structure shown in fig. 1 is only an illustration and is not intended to limit the structure of the electronic device. For example, system 100 may also include more or fewer components than shown in FIG. 1, or have a different configuration than shown in FIG. 1.
The input/output interface 102 may be coupled to one or more displays, touch screens, etc. for displaying data communicated from the system 100, and may also be coupled to a keyboard, stylus, touch pad, mouse, etc. for inputting user instructions such as selection, creation, editing, etc.
The memory 103 may be used to store software programs and modules of application software, such as program instructions/modules corresponding to the method for transmitting data between the intelligent network card and the virtual machine in the embodiment of the present invention, and the processor 101 executes various functional applications and data processing by running the software programs and modules stored in the memory 103, so as to implement the method for transmitting data between the intelligent network card and the virtual machine. The memory 103 may include high speed random access memory, and may also include non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid-state memory. In some examples, the memory 103 may further include memory located remotely from the processor 101, which may be connected to the system 100 over a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The transmitting device 104 is used to receive or transmit data via a network. Specific examples of such networks may include the internet provided by a communications provider of system 100. In the above operating environment, the present invention provides a flowchart of the method for transmitting data between the intelligent network card and the virtual machine according to the present invention.
Fig. 2 shows a schematic diagram of the physical machine 20 according to an embodiment of the present invention, where the physical machine 20 includes an intelligent network card 201, a virtual machine 202, and a control device 205. Although control device 205 is shown as an example within physical machine 20, the present invention is not so limited and may be located outside of the physical machine or in other devices capable of communicating with physical machine 20.
Fig. 3 is a structural diagram of a control device 205 for transmitting data between the smart network card 201 and the virtual machine 202 according to an embodiment of the present invention, and as shown in fig. 3, the control device 205 includes a loading unit 31, a setting unit 32, an unloading unit 33, and a resetting unit 34.
Fig. 4 is a flowchart illustrating a method for transmitting data between the smart network card 201 and the virtual machine 202 according to an embodiment of the present invention.
Embodiments of the present invention are described in detail below with reference to fig. 2-4.
In step S41, the loading unit 31 loads the virtual machine 202 with the virtual function network card 204 that can be unloaded and the software network card 203 that cannot be unloaded, where the virtual function network card 204 corresponds to the physical function of the intelligent network card 201, and when the intelligent network card 201 normally operates, the virtual function network card 204 also can normally operate, and conversely, when the intelligent network card 201 fails and cannot normally operate, the virtual function network card 204 also cannot normally operate.
In step S42, in the case where the virtual-function network card 204 exists, the setting unit is set to enable only the virtual-function network card 204. The presence of the virtual function network card 204 means that the virtual function network card 204 is loaded on the virtual machine 202. Enabling the virtual function network card 204 means transmitting data between the virtual machine 202 and the intelligent network card 201 through the virtual function network card 204. That is, when the virtual function network card 204 and the software network card 203 are both loaded in the virtual machine 202, data is preferentially transferred via the virtual function network card 204.
The intelligent network card 201 and the virtual machine 202 are located on the same physical machine 20, and when the virtual function network card 204 is loaded on the virtual machine 202 and works normally, the data traffic on the virtual machine 202 can be transmitted to the intelligent network card 201 through the virtual function network card 204, that is, the data traffic is unloaded to the intelligent network card 201. Likewise, data traffic on the smart network card 201 can be transferred to the virtual machine 202 through the virtual function network card 204, i.e., data traffic is offloaded onto the virtual machine 202. By offloading the data traffic onto the virtual machine 202 or the intelligent network card 201, the data traffic can be prevented from entering a system (e.g., a CPU) of the physical machine 20, so that the CPU on the physical machine 20 is prevented from being used, and therefore, the transmission of the data traffic can be not affected by the processing performance of the CPU, which can improve the performance of data forwarding.
The physical machine 20 in the present embodiment may be a cloud host, a tenant host, or the like, without limitation.
In step S43, when the smart network card 201 fails, the uninstall unit 33 uninstalls the virtual function network card 204 from the virtual machine 202 and enables the software network card 203.
When the intelligent network card 201 fails to work normally, the corresponding virtual function network card 204 also fails to work normally. At this time, if the virtual function network card 204 is still on the virtual machine 202 and is still enabled, the data on the virtual machine 202 cannot be transmitted normally due to the virtual function network card 204 that cannot work normally. The software network card 203 in the present invention can solve this problem.
When the intelligent network card 201 fails, the uninstalling unit 33 uninstalls the virtual function network card 204 from the virtual machine 202, and sends the data of the virtual machine 202 to the system of the physical machine 20 through the software network card 203. That is, the data is transmitted (forwarded) by the software system of the physical machine 20 at this time. Therefore, when the intelligent network card 201 fails, the data on the virtual machine 202 can be ensured to be forwarded normally. In addition, the software network card 203 is not uninstallable, so that data on the virtual machine 202 can be ensured to be forwarded normally under any condition.
In step S44, the reset unit 34 resets the smart card 201, and reloads the virtual function card 204 to the virtual machine 202 after the reset is successful.
Wherein, while the software network card 203 is enabled as above, the reset unit 34 quickly resets the firmware and the driver of the smart network card 201. And reloads the virtual function network card 204 to the virtual machine 202 after the reset is successful. That is to say, under the condition that the intelligent network card 201 is normally operated after being successfully reset, the virtual function network card 204 can be re-enabled by reloading the virtual function network card 204 to the virtual machine 202, so that the data unloading process can be resumed, the CPU on the physical machine 20 is avoided being used, the transmission of data traffic is not affected by the processing performance of the CPU, and the performance of data forwarding can be improved.
By the method and the device, even if the intelligent network card 201 fails, the forwarding of the data traffic by the virtual machine 202 can be ensured, and the high-performance data forwarding can be recovered after the intelligent network card 201 is recovered quickly.
The present invention also provides a computer-readable storage medium having instructions stored therein, which when executed, cause the computer to perform a method of transmitting data between a smart network card and a virtual machine, the instructions comprising:
loading instructions, namely loading an unloadable virtual function network card and a non-unloadable software network card on the virtual machine, wherein the virtual function network card corresponds to the physical function of the intelligent network card;
setting instructions to enable the virtual function network card only when the virtual function network card exists,
an unloading instruction, when the intelligent network card fails, unloading the virtual function network card from the virtual machine, and starting the software network card;
and resetting the intelligent network card by a reset instruction, and reloading the virtual function network card to the virtual machine after the intelligent network card is successfully reset.
In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Similarly, it should be appreciated that in the foregoing description of exemplary embodiments of the invention, various features of the invention are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the invention and aiding in the understanding of one or more of the various inventive aspects. However, the disclosed method should not be interpreted as reflecting an intention that: that the invention as claimed requires more features than are expressly recited in each claim. Rather, as the following claims reflect, inventive aspects lie in less than all features of a single foregoing disclosed embodiment. Thus, the claims following the detailed description are hereby expressly incorporated into this detailed description, with each claim standing on its own as a separate embodiment of this invention.
Those skilled in the art will appreciate that the modules in the device in an embodiment may be adaptively changed and disposed in one or more devices different from the embodiment. The modules or units or components of the embodiments may be combined into one module or unit or component, and furthermore they may be divided into a plurality of sub-modules or sub-units or sub-components. All of the features disclosed in this specification (including any accompanying claims, abstract and drawings), and all of the processes or elements of any method or apparatus so disclosed, may be combined in any combination, except combinations where at least some of such features and/or processes or elements are mutually exclusive. Each feature disclosed in this specification (including any accompanying claims, abstract and drawings) may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise.
Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments. For example, in the claims, any of the claimed embodiments may be used in any combination.
The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The invention may be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed terminal device. In the unit claims enumerating several terminal devices, several of these terminal devices may be embodied by one and the same item of hardware.
Claims (10)
1. A method for transmitting data between an intelligent network card and a virtual machine, the method comprising:
loading an unloadable virtual function network card and a non-unloadable software network card on the virtual machine, wherein the virtual function network card corresponds to the physical function of the intelligent network card;
setting to enable the virtual function network card only under the condition that the virtual function network card exists,
when the intelligent network card fails, the virtual function network card is unloaded from the virtual machine, and the software network card is started;
and resetting the intelligent network card, and reloading the virtual function network card to the virtual machine after the resetting is successful.
2. The method of claim 1, wherein the smart network card and the virtual machine are located on the same physical machine.
3. The method of claim 2, wherein enabling the virtual function network card is transmitting data between the virtual machine and the smart network card through the virtual function network card.
4. The method of claim 3, wherein enabling the software network card refers to a system that sends data of the virtual machine to the physical machine through the software network card.
5. A control device for transmitting data between an intelligent network card and a virtual machine, the device comprising:
the loading unit loads an unloadable virtual function network card and a non-unloadable software network card on the virtual machine, wherein the virtual function network card corresponds to the physical function of the intelligent network card;
a setting unit configured to enable only the virtual function network card when the virtual function network card exists,
the unloading unit is used for unloading the virtual function network card from the virtual machine and starting the software network card when the intelligent network card fails;
and the resetting unit is used for resetting the intelligent network card and reloading the virtual function network card to the virtual machine after the resetting is successful.
6. The control device of claim 5, wherein the smart network card and the virtual machine are located on the same physical machine.
7. The control device of claim 6, wherein enabling the virtual function network card is transmitting data between the virtual machine and the smart network card through the virtual function network card.
8. The control apparatus according to claim 7, wherein the enabling of the software network card is a system that transmits data of the virtual machine to the physical machine through the software network card.
9. A computer-readable storage medium having instructions stored therein that, when executed, cause the computer to perform a method of transferring data between a smart network card and a virtual machine, the instructions comprising:
loading instructions, namely loading an unloadable virtual function network card and a non-unloadable software network card on the virtual machine, wherein the virtual function network card corresponds to the physical function of the intelligent network card;
setting instructions to enable the virtual function network card only when the virtual function network card exists,
an unloading instruction, when the intelligent network card fails, unloading the virtual function network card from the virtual machine, and starting the software network card;
and resetting the intelligent network card by a reset instruction, and reloading the virtual function network card to the virtual machine after the intelligent network card is successfully reset.
10. A system, comprising:
a memory for storing instructions for execution by one or more processors of the system, an
The processor, being one of the processors of the system, for performing the method of transmitting data between the intelligent network card and the virtual machine according to any one of claims 1 to 4.
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| CN113691465A (en) * | 2020-05-19 | 2021-11-23 | 阿里巴巴集团控股有限公司 | Data transmission method, intelligent network card, computing device and storage medium |
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