CN109753341A - The creation method and device of virtual interface - Google Patents
The creation method and device of virtual interface Download PDFInfo
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- CN109753341A CN109753341A CN201711100866.XA CN201711100866A CN109753341A CN 109753341 A CN109753341 A CN 109753341A CN 201711100866 A CN201711100866 A CN 201711100866A CN 109753341 A CN109753341 A CN 109753341A
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Abstract
The present invention provides the creation method and device of a kind of virtual interface.The creation method of the virtual interface comprises determining that the hardware interface in physical machine；The corresponding virtual interface of the hardware interface is created in the virtual machine in the physical machine.The virtualization process of local device is simplified so that the access to virtual interface can be converted into the access to hardware interface by creating corresponding virtual interface for hardware interface.The creation method and device of virtual interface provided by the invention are versatile, realize that cost is low, have wide applicability.
Description
Technical field
The present invention relates to virtual machine technique more particularly to the creation methods and device of a kind of virtual interface.
Background technique
Virtual machine (Virtual Machine, VM) refer to by the method for software fictionalized in physical machine come calculating
Machine.Virtual machine usually has different instruction set, is equipped with different operating system, can run different compared with physical machine
Software.Therefore, the software that the operating system in physical machine is not supported can be installed, virtual machine in the operating system of virtual machine
It is widely used in the compatibility of software.
But VME operating system is only capable of hardware device virtual on access virtual machine at runtime, and can not access
The hardware device (referred to as local device) installed in physical machine, for example, installed in physical machine printer, movable memory equipment,
Earphone, microphone etc..
To solve this technical problem, usually first in virtual machine, it will be used in virtual opetrating system originally to all
Ground equipment is virtualized to obtain virtual unit, then virtual unit addressable in virtual machine is mapped with local device,
So that VME operating system is at runtime, local device may have access to.But virtual unit is in virtualization process, it can
Can there are problems that technical data can not virtualize comprehensively, and the mapping of virtual unit and local device is extremely complex, it is difficult to
It realizes.
Summary of the invention
The present invention provides the creation method and device of a kind of virtual interface, is virtualizing for solving existing virtual unit
Cheng Zhong, it is understood that there may be technical data can not virtualize comprehensively and the mapping of virtual unit and local device is extremely complex, difficult
The problem of to realize.
On the one hand the embodiment of the present invention provides a kind of creation method of virtual interface, which comprises
Determine the hardware interface in physical machine；
The corresponding virtual interface of the hardware interface is created in the virtual machine in the physical machine.
By creating corresponding virtual interface for hardware interface, hardware is connect so that can be converted into the access of virtual interface
The access of mouth, simplifies the virtualization process of local device.The creation method of virtual interface provided by the invention is versatile, real
Modern valence is low, has wide applicability.
In one possible implementation, the determination be connected to the local device in physical machine hardware interface it
Afterwards, the method also includes:
Using the virtual interface as the local device the corresponding virtual unit in virtual machine, by the virtual unit
It is registered in the equipment manager of the virtual machine.
In one possible implementation, the hardware interface includes at least one in following:
Port space interface, memory space interface, direct memory access interface, interrupt interface.
In one possible implementation, the method also includes:
When the operating system of the virtual machine executes the access request to the virtual interface, the access request is reflected
It penetrates as the access request to the hardware interface；And/or
The direct memory access operation of the local device is received in the operating system of the virtual machine and/or interrupts behaviour
When making, the direct memory access operation and/or interrupt operation of the local device are mapped as the direct interior of the virtual unit
Deposit accessing operation and/or interrupt operation.
In one possible implementation, the hardware interface in the determining physical machine, comprising:
Determine the hardware interface that local device is connected in physical machine；Alternatively,
Determine all hardware interfaces in physical machine.
It can avoid just being this when using local device by creating corresponding virtual interface for all hardware interface
Ground equipment creates corresponding virtual interface, response time longer problem.
In one possible implementation, the hardware interface of local device is connected in the determining physical machine, comprising:
In virtual machine starting, according to the scan mechanism of the hardware interface in the physical machine, in the physical machine
All hardware interface is scanned；
According to scanning result, the hardware interface that local device is connected in the physical machine is determined.
By when virtual machine starts each time, scanning the hardware interface of physical machine according to scan mechanism, determination is connected to
Local device in physical machine realizes the automation of the creation of virtual interface.
The embodiment of the present invention also provides a kind of creating device of virtual interface, to execute the creation of above-mentioned virtual interface
Method, technical characteristic having the same and technical effect, the present invention repeat no more this.
On the other hand the embodiment of the present invention provides a kind of creating device of virtual interface, comprising:
Hardware interface detection module, for determining the hardware interface in physical machine；
Virtual machine interface creation module, it is corresponding for creating the hardware interface in the virtual machine in the physical machine
Virtual interface.
In one possible implementation, described device further include:
Registration module is used for the corresponding virtual unit in virtual machine using the virtual interface as the local device,
The virtual unit is registered in the equipment manager of the virtual machine.
In one possible implementation, the hardware interface includes at least one in following:
Port space interface, memory space interface, direct memory access interface, interrupt interface.
In one possible implementation, described device further include:
Mapping block, for inciting somebody to action when the operating system of the virtual machine executes the access request to the virtual interface
The access request is mapped as the access request to the hardware interface；And/or
The direct memory access operation of the local device is received in the operating system of the virtual machine and/or interrupts behaviour
When making, the direct memory access operation and/or interrupt operation of the local device are mapped as the direct interior of the virtual unit
Deposit accessing operation and/or interrupt operation.
In one possible implementation, the hardware interface detection module is specifically used for, and determines and connects in physical machine
There is the hardware interface of local device；Alternatively, determining all hardware interfaces in physical machine.
In one possible implementation, it is connected in physical machine when the hardware interface detection module is specifically used for determining
When having the hardware interface of local device；The hardware interface detection module includes:
Scanning element is used in virtual machine starting, according to the scan mechanism of the hardware interface in the physical machine, to institute
The all hardware interface stated in physical machine is scanned；
Hardware interface detection unit, for determining and being connected with the hard of local device in the physical machine according to scanning result
Part interface.
The creation method and device of virtual interface provided in an embodiment of the present invention, comprising: determine and be connected with this in physical machine
The hardware interface of ground equipment；The corresponding virtual interface of hardware interface is created in virtual machine in physical machine.By being connect for hardware
Mouth creates corresponding virtual interface and simplifies local so that the access to virtual interface can be converted into the access to hardware interface
The virtualization process of equipment.The creation method of virtual interface provided by the invention is versatile, realizes that cost is low, has extensive
Applicability.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram for computer that the embodiment of the present invention may be applicable in；
Fig. 2 is the flow diagram of the creation method for the virtual interface that one embodiment of the invention provides；
Fig. 3 be another embodiment of the present invention provides virtual interface creation method flow diagram；
Fig. 4 is the structural schematic diagram of the creating device for the virtual interface that one embodiment of the invention provides；
Fig. 5 is the structural schematic diagram of the creating device for the virtual interface that yet another embodiment of the invention provides；
Fig. 6 be another embodiment of the present invention provides virtual interface creating device structural schematic diagram；
Fig. 7 is the structural schematic diagram of the creating device for the virtual interface that further embodiment of this invention provides.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
Fig. 1 is a kind of structural schematic diagram for computer that the embodiment of the present invention may be applicable in.Computer structure as shown in Figure 1
In structure, what it is positioned at the bottom is true physical machine, referred to as " Host ".Operating system is installed, referred to as local behaviour in physical machine
Make system (Host OS).In the native operating sys-tern of physical machine, pass through the method for software (or being aided with a small amount of hardware supported)
A computer, referred to as virtual machine (Guest) are fictionalized, the operating system run on virtual machine is known as Guest OS.Virtually
Machine usually has different instruction set from physical machine, therefore virtual machine and physical machine are commonly installed different operating system.Pass through
Different operating system is installed, so that the software suitable for different operating system can be compatible on a computer.
But the local device for installing in physical machine, VME operating system can not but access, and affect user's
It uses.The prior art usually writes the corresponding virtual unit with complete function of local device on a virtual machine, and will be local
Equipment is mapped with virtual unit, and virtual machine is functional by calling corresponding physical machine function come real by the institute of virtual unit
It is existing, so that using local device in virtual opetrating system.It, can but when writing the corresponding virtual unit of local device
Can there are problems that technical data is not comprehensive and can not virtualize, and the mapping of virtual unit and local device is extremely complex, it is difficult
To realize.
To solve the above problems, the present invention provides a kind of virtual machine method for building up with reference to specific embodiments to this hair
The virtual machine method for building up of bright offer is described in detail.
Fig. 2 is the flow diagram of the creation method for the virtual interface that one embodiment of the invention provides.The execution of this method
Main body is that virtual machine establishes device, which can be by software or hardware realization.As shown in Fig. 2, the creation method of virtual interface
Include:
S201, hardware interface in physical machine is determined.
Illustratively, to avoid establishing the completely corresponding virtual unit of function for each local device, it is contemplated that local to set
The standby communication with physical machine passes through hardware interface, it may be determined that the hardware interface in physical machine.Hardware interface is illustrative, can wrap
Include port space interface, memory space interface, direct memory access (Direct Memory Access, DMA) interface and interruption
Any one of interface.Certain hardware interface can also include that other are used for the interface that local device is communicated with physical machine.
Optionally, it determines the hardware interface in physical machine, the hard of local device can be connected in physical machine only to determine
Part interface.Illustratively, after the local device connected on determining physical machine, only determine that the hardware for being connected with local device connects
Mouthful.
Optionally, it determines the hardware interface in physical machine, can be all hardware interfaces in determining physical machine.Example
Property, when creating virtual machine, physical machine is scanned, determines all hardware interface in physical machine.
The corresponding virtual interface of hardware interface is created in S202, the virtual machine in physical machine.
Illustratively, the corresponding virtual interface of hardware interface is created in virtual machine.Illustratively, the hardware of local device
Interface is usually port space interface, memory space interface, direct memory access interface and the interrupt interface using unified standard
At least one of in, therefore those skilled in the art can fast and accurately create the corresponding virtual interface of each hardware interface.By building
The corresponding virtual machine mouth of each hardware interface is found, so that any operation for virtual interface in virtual opetrating system, can map
For the operation for true hardware interface, pass through access of the VME operating system to local device to realize.
It is corresponding, it can be only physics when creating the corresponding virtual interface of hardware interface in the virtual machine in physical machine
The hardware interface that local device is connected on machine creates corresponding virtual interface.It illustratively, can also be the institute in physical machine
There is hardware interface to create corresponding virtual interface.When local device is connect by user with the hardware interface in physical machine, because
For there are the corresponding virtual interfaces of each hardware interface in virtual machine, therefore, user can access local device by virtual machine.
The present invention provides a kind of creation method of virtual interface, comprising: determines the hardware interface in physical machine；In physical machine
On virtual machine in the corresponding virtual interface of creation hardware interface.By creating corresponding virtual interface for hardware interface, so that
Access to hardware interface can be converted into the access of virtual interface, simplify the virtualization process of local device.The present invention mentions
The creation method of the virtual interface of confession is versatile, realizes that cost is low, has wide applicability.
Further, it by creating corresponding virtual interface for all hardware interface, can avoid when using local device
Just corresponding virtual interface, response time longer problem are created for local device.
Further, on the basis of embodiment shown in Fig. 2, the present invention also provides a kind of creation methods of virtual interface.
Fig. 3 be another embodiment of the present invention provides virtual interface creation method flow diagram, what is involved is true for the present embodiment
Determine the specific method that the hardware interface of local device is connected in physical machine.As shown in figure 3, the creation method packet of virtual interface
It includes:
S301, in virtual machine starting, according to the scan mechanism of the hardware interface in physical machine, to all in physical machine
Hardware interface is scanned.
Illustratively, when virtual machine starts, according to the scan mechanism of the hardware interface in physical machine, all hardware is scanned
Interface, it is determined whether there are local devices to be connected in physical machine by hardware interface.Illustratively, hardware interface can be
USB interface, PCIE interface, MIC interface, PS/2 interface, RJ45 interface etc..
S302, according to scanning result, determine the hardware that local device is connected in physical machine.
Illustratively, according to scanning result, the local device being connected on external interface is determined.
Optionally, after local device has been determined, virtual machine method for building up further include: set using virtual interface as local
Standby virtual unit corresponding in virtual machine, virtual unit is registered in the equipment manager of virtual machine.
Illustratively, by registering virtual unit in the equipment manager of virtual machine, so that the operating system of virtual machine
After starting, the operating system of virtual machine finds virtual unit in starting scanning process.Illustratively, it is created in virtual machine
Virtual unit do not have the function of corresponding local device, be only used for indicating to the user that the local connected in physical machine is set
It is standby.
The corresponding virtual interface of hardware interface is created in S303, the virtual machine in physical machine.
Wherein, S303 is identical as the S202 in embodiment illustrated in fig. 2, and the application repeats no more this.
The present embodiment provides a kind of creation methods of virtual interface, in virtual machine starting, according to the hardware in physical machine
The scan mechanism of interface, is scanned hardware interface, determines the local device being connected on hardware interface.By in virtual machine
When starting each time, the hardware interface of physical machine is scanned according to scan mechanism, determines the local device being connected in physical machine, it is real
The automation of the creation of virtual interface is showed.
Further, based on any of the above embodiments, the operating system of virtual machine is being received to virtual interface
Access request when, access request is mapped as the access request to hardware interface；
The operating system of virtual machine incite somebody to action this in the direct memory access operation and/or interrupt operation that receive local device
The direct memory access of ground equipment operates and/or interrupt operation be mapped as virtual unit direct memory access operation and/or in
Disconnected operation.
Illustratively, Guest OS accesses virtual unit by port space interface and memory space interface, and virtual machine will
This access movement is mapped directly to the access to local device.For example, Guest OS to the reading of the port space of virtual unit,
It writes, is mapped as the reading and writing to local device corresponding port space；Reading and writing of the Guest OS to the memory space of virtual unit, reflect
It penetrates as the reading and writing to local device respective stored space.
Illustratively, when local device has dma operation (i.e. local device directly accesses the data in memory), it locally sets
The variation of standby DMA interface meeting generating state.Virtual machine modifies the corresponding of virtual unit when detecting the state change
The state of DMA interface, the state of the virtual dma interface is arranged to it is identical with the state of the DMA interface of local device, in this way
Guest OS can detect that there are dma operations on local device by the DMA interface state of virtual unit.
Illustratively, when local device has interrupt operation, interrupt event is presented as and is virtually set by the mapping of virtual machine
The interrupt operation that preparation goes out, the terminal operation that Guest OS sends virtual unit respond.
Illustratively, the Host machine in any of the above-described embodiment can be the microprocessor of no inner interlocked pipelining-stage
The platform of (Microprocessor without interlocked piped stages, MIPS) instruction set, it is corresponding,
Host OS is the (SuSE) Linux OS based on MIPS instruction set.Illustratively, Guest is X86 virtual machine, corresponding, Guest
OS is Windows.Local device illustratively can be the printer being connected in physical machine by USB interface.
The another aspect of the embodiment of the present invention also provides a kind of creating device of virtual interface, to execute in above-described embodiment
Virtual interface creation method, technical characteristic having the same and technical effect, the present invention repeat no more this.
Another aspect of the invention also provides a kind of creating device of virtual interface, and Fig. 4 is what one embodiment of the invention provided
The structural schematic diagram of the creating device of virtual interface creates virtual interface for the hardware interface in physical machine in the present embodiment.Such as
Shown in Fig. 4, the creating device of virtual interface includes:
Hardware interface detection module 401, for determining the hardware interface in physical machine；
Virtual machine interface creation module 402, for creating the hardware interface pair in the virtual machine in the physical machine
The virtual interface answered.
Further, on the basis of the above embodiments, another aspect of the invention also provides a kind of creation of virtual interface
Device, Fig. 5 are the structural schematic diagram of the creating device for the virtual interface that yet another embodiment of the invention provides.As shown in figure 5, virtual
The creating device of interface includes:
Hardware interface detection module 401, for determining the hardware interface in physical machine；
Virtual machine interface creation module 402, for creating the hardware interface pair in the virtual machine in the physical machine
The virtual interface answered；
Registration module 403, for virtually being set using the virtual interface as the local device is corresponding in virtual machine
It is standby, the virtual unit is registered in the equipment manager of the virtual machine.
Optionally, on the basis of upper any embodiment, the hardware interface includes at least one in following:
Port space interface, memory space interface, direct memory access interface, interrupt interface.
Further, on the basis of the above embodiments, another aspect of the invention also provides a kind of creation of virtual interface
Device, Fig. 6 be another embodiment of the present invention provides virtual interface creating device structural schematic diagram.As shown in fig. 6, virtual
The creating device of interface includes:
Hardware interface detection module 401, for determining the hardware interface in physical machine；
Virtual machine interface creation module 402, for creating the hardware interface pair in the virtual machine in the physical machine
The virtual interface answered；
Registration module 403, for virtually being set using the virtual interface as the local device is corresponding in virtual machine
It is standby, the virtual unit is registered in the equipment manager of the virtual machine.
Mapping block 404, for when the operating system of the virtual machine is executed to the access request of the virtual interface,
The access request is mapped as the access request to the hardware interface；And/or
The direct memory access operation of the local device is received in the operating system of the virtual machine and/or interrupts behaviour
When making, the direct memory access operation and/or interrupt operation of the local device are mapped as the direct interior of the virtual unit
Deposit accessing operation and/or interrupt operation.
Optionally, based on any of the above embodiments, hardware interface detection module 401 is specifically used for, and determines physics
The hardware interface of local device is connected on machine；Alternatively,
Determine all hardware interfaces in physical machine.
Further, on the basis of above-mentioned Fig. 6 embodiment, another aspect of the invention also provides a kind of wound of virtual interface
Device is built, Fig. 7 is the structural schematic diagram of the creating device for the virtual interface that further embodiment of this invention provides.As shown in fig. 7, working as
When hardware interface detection module 401 is specifically used for being connected with the hardware interface of local device in determining physical machine；Hardware interface inspection
Surveying module 401 includes:
Scanning element 4011, in virtual machine starting, according to the scan mechanism of the hardware interface in the physical machine,
All hardware interface in the physical machine is scanned；
Hardware interface detection unit 4012, for determining and being connected with local device in the physical machine according to scanning result
Hardware interface.
The creating device of virtual interface provided in an embodiment of the present invention, comprising: hardware interface detection module, for determining object
Hardware interface on reason machine；Virtual machine interface creation module, for creating the hardware in the virtual machine in the physical machine
The corresponding virtual interface of interface.By creating corresponding virtual interface for hardware interface, so that can turn to the access of virtual interface
The access to hardware interface is turned to, the virtualization process of local device is simplified.The creation side of virtual interface provided by the invention
Method is versatile, realizes that cost is low, has wide applicability.
Those of ordinary skill in the art will appreciate that: realize that all or part of the steps of above-mentioned each method embodiment can lead to
The relevant hardware of program instruction is crossed to complete.Program above-mentioned can be stored in a computer readable storage medium.The journey
When being executed, execution includes the steps that above-mentioned each method embodiment to sequence；And storage medium above-mentioned include: ROM, RAM, magnetic disk or
The various media that can store program code such as person's CD.
Relevant portion can be referred to mutually between the application each method embodiment；Device provided by each Installation practice is used
In the method provided by corresponding embodiment of the method that executes, therefore each Installation practice can be with reference in relevant embodiment of the method
Relevant portion is understood.
Those of ordinary skill in the art may be aware that list described in conjunction with the examples disclosed in the embodiments of the present disclosure
Member and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
It is implemented in hardware or software, the specific application and design constraint depending on technical solution.Professional technician
Each specific application can be used different methods to achieve the described function, but this realization is it is not considered that exceed
Scope of the present application.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In several embodiments provided herein, it should be understood that disclosed systems, devices and methods, it can be with
It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the unit
It divides, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or components
It can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown or
The mutual coupling, direct-coupling or communication connection discussed can be through some interfaces, the indirect coupling of device or unit
It closes or communicates to connect, can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, each functional unit in each embodiment of the application can integrate in one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (12)
1. a kind of creation method of virtual interface, which is characterized in that the described method includes:
Determine the hardware interface in physical machine；
The corresponding virtual interface of the hardware interface is created in the virtual machine in the physical machine.
2. the method according to claim 1, wherein the determination is connected to the hard of the local device in physical machine
After part interface, the method also includes:
Using the virtual interface as the local device the corresponding virtual unit in virtual machine, the virtual unit is registered
In the equipment manager of the virtual machine.
3. according to the method described in claim 2, it is characterized in that, the hardware interface includes at least one in following:
Port space interface, memory space interface, direct memory access interface, interrupt interface.
4. according to the method described in claim 3, it is characterized in that, the method also includes:
When the operating system of the virtual machine executes the access request to the virtual interface, the access request is mapped as
To the access request of the hardware interface；And/or
The direct memory access operation and/or interrupt operation of the local device are received in the operating system of the virtual machine
When, the direct memory access operation and/or interrupt operation of the local device are mapped as to the direct memory of the virtual unit
Accessing operation and/or interrupt operation.
5. method according to any of claims 1-4, which is characterized in that the hardware in the determining physical machine connects
Mouthful, comprising:
Determine the hardware interface that local device is connected in physical machine；Alternatively,
Determine all hardware interfaces in physical machine.
6. according to the method described in claim 5, it is characterized in that, being connected with the hardware of local device in the determining physical machine
Interface, comprising:
In virtual machine starting, according to the scan mechanism of the hardware interface in the physical machine, to all in the physical machine
Hardware interface is scanned；
According to scanning result, the hardware interface that local device is connected in the physical machine is determined.
7. a kind of creating device of virtual interface characterized by comprising
Hardware interface detection module, for determining the hardware interface in physical machine；
Virtual machine interface creation module, it is corresponding virtual for creating the hardware interface in the virtual machine in the physical machine
Interface.
8. device according to claim 7, which is characterized in that described device further include:
Registration module is used for the corresponding virtual unit in virtual machine using the virtual interface as the local device, by institute
Virtual unit is stated to be registered in the equipment manager of the virtual machine.
9. device according to claim 8, which is characterized in that the hardware interface includes at least one in following:
Port space interface, memory space interface, direct memory access interface, interrupt interface.
10. device according to claim 9, which is characterized in that described device further include:
Mapping block will be described for when the operating system of the virtual machine is executed to the access request of the virtual interface
Access request is mapped as the access request to the hardware interface；And/or
The direct memory access operation and/or interrupt operation of the local device are received in the operating system of the virtual machine
When, the direct memory access operation and/or interrupt operation of the local device are mapped as to the direct memory of the virtual unit
Accessing operation and/or interrupt operation.
11. according to the described in any item devices of claim 7-10, which is characterized in that the hardware interface detection module is specifically used
In determining the hardware interface for being connected with local device in physical machine；Alternatively, determining all hardware interfaces in physical machine.
12. device according to claim 11, which is characterized in that when the hardware interface detection module is specifically used for determining
When being connected with the hardware interface of local device in physical machine；The hardware interface detection module includes:
Scanning element is used in virtual machine starting, according to the scan mechanism of the hardware interface in the physical machine, to the object
All hardware interface on reason machine is scanned；
Hardware interface detection unit, for determining that the hardware for being connected with local device in the physical machine connects according to scanning result
Mouthful.
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| CN110704161A (en) * | 2019-09-27 | 2020-01-17 | 联想(北京)有限公司 | Virtual machine creation method and device and computer equipment |
| CN112148360A (en) * | 2020-08-20 | 2020-12-29 | 深圳英飞拓智能技术有限公司 | Cross-platform embedded software virtual interface implementation method and system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110704161A (en) * | 2019-09-27 | 2020-01-17 | 联想(北京)有限公司 | Virtual machine creation method and device and computer equipment |
| CN112148360A (en) * | 2020-08-20 | 2020-12-29 | 深圳英飞拓智能技术有限公司 | Cross-platform embedded software virtual interface implementation method and system |
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