CN116401017B - Method, device, equipment and storage medium for realizing virtual display card - Google Patents
Method, device, equipment and storage medium for realizing virtual display card Download PDFInfo
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- G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
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Abstract
The disclosure relates to a method, a device, equipment and a storage medium for realizing a virtual display card. The method comprises the following steps: responding to the creation of a virtual machine expansion process, intercepting the virtual machine expansion process, and injecting a dynamic link library file of a self-defined virtual display card into the virtual machine expansion process; configuring the custom virtual display card based on the dynamic link library file; and reporting the configuration information of the custom virtual display card to an operating system of the virtual machine, so that the operating system identifies the custom virtual display card according to the configuration information.
Description
Technical Field
The present disclosure relates to the field of computer technologies, and in particular, to a method for implementing a virtual graphics card, an apparatus for implementing a virtual graphics card, an electronic device, a storage medium, and a program product.
Background
At present, the performance of the chip simulation platform is weaker, the test requirement of the display card drive cannot be met, and only the verification of basic functions can be performed. In addition, the development and debugging of the chip simulation platforms such as VPS (Virtual Private Server ), palladium, FPGA (Field Programmable Gate Array, field programmable gate array) are inconvenient, and the cost is high.
Disclosure of Invention
The disclosure provides a technical scheme for implementing a virtual display card.
According to an aspect of the present disclosure, there is provided a method for implementing a virtual graphics card, including:
responding to the creation of a virtual machine expansion process, intercepting the virtual machine expansion process, and injecting a dynamic link library file of a self-defined virtual display card into the virtual machine expansion process;
configuring the custom virtual display card based on the dynamic link library file;
and reporting the configuration information of the custom virtual display card to an operating system of the virtual machine, so that the operating system identifies the custom virtual display card according to the configuration information.
The virtual machine expansion process is established in response to the virtual machine expansion process, the dynamic link library file of the custom virtual display card is injected into the virtual machine expansion process, the custom virtual display card is configured based on the dynamic link library file, and the configuration information of the custom virtual display card is reported to the operating system of the virtual machine, so that the operating system recognizes the custom virtual display card according to the configuration information, the virtual machine can be used as a simulation platform for developing the display card drive, and the display card drive can be developed on the basis of the custom virtual display card, and the reliable guarantee is provided for the development quality and progress of the display card drive. In addition, as the virtual machine has performance and use experience similar to those of the real machine, large-scale simulation verification can be realized, the use is convenient, the development and the debugging are convenient, and the power consumption and the cost are low. After the driver is installed in the virtual machine, various 3D games can be conveniently tested, and after the video is returned, the video can be quickly tested on-line, so that the lighting is completed.
In one possible implementation, the virtual machine extension process runs on a host;
the responding to the creation of the virtual machine expansion process, intercepting the virtual machine expansion process, and injecting the dynamic link library file of the custom virtual display card into the virtual machine expansion process, comprising:
and responding to the creation of the virtual machine expansion process, intercepting the virtual machine expansion process through the drive of the host, and injecting the dynamic link library file of the self-defined virtual display card into the virtual machine expansion process through the drive of the host.
In the implementation manner, the virtual machine expansion process is intercepted through the drive of the host in response to the creation of the virtual machine expansion process, and the dynamic link library file of the custom virtual display card is injected into the virtual machine expansion process through the drive of the host, so that the safety and timeliness of the injection of the dynamic link library file of the custom virtual display card can be improved.
In one possible implementation, before the virtual machine extension process is created, the method further includes:
closing an operating system of the virtual machine;
restarting the virtual machine.
In this implementation, the probability of data loss can be reduced by shutting down the operating system of the virtual machine before restarting the virtual machine.
In one possible implementation manner, the configuring the custom virtual graphics card based on the dynamic link library file includes:
based on the dynamic link library file, at least one of the following is configured: vendor identification information, device identification information, register access mode, video memory access mode, interrupt request processing mode.
In this implementation, at least one of the following is configured by being based on the dynamically linked library file: vendor identification information, equipment identification information, a register access mode, a video memory access mode and an interrupt request processing mode, thereby being capable of realizing configuration according to requirements.
In one possible implementation manner, the reporting the configuration information of the custom virtual graphics card to the operating system of the virtual machine includes:
the virtual machine process requests the configuration information of the custom virtual display card from the virtual machine expansion process through remote procedure call;
and the virtual machine process reports the configuration information to an operating system of the virtual machine.
In the implementation manner, the configuration information of the custom virtual display card is requested to the virtual machine extension process through the remote procedure call by the virtual machine process, and the virtual machine process reports the configuration information to the operating system of the virtual machine, so that the operating system of the virtual machine can identify the custom virtual display card, and the display card driver can be developed by using the custom virtual display card.
In one possible implementation manner, the reporting, by the virtual machine process, the configuration information to an operating system of the virtual machine includes:
and the virtual machine process reports the configuration header in the configuration information to an operating system of the virtual machine.
In the implementation manner, the configuration header in the configuration information is reported to the operating system of the virtual machine through the virtual machine process, so that unnecessary data transmission can be reduced, and the efficiency of the operating system of the virtual machine in identifying the custom virtual graphics card is improved.
In one possible implementation manner, after the configuration information of the custom virtual graphics card is reported to an operating system of a virtual machine, so that the operating system identifies the custom virtual graphics card according to the configuration information, the method further includes:
and testing the display card drive through the custom virtual display card.
In this implementation manner, after the configuration information of the custom virtual graphics card is reported to the operating system of the virtual machine, the operating system of the virtual machine may identify the custom virtual graphics card according to the configuration information, so that the graphics card driver can be developed on the basis of the custom virtual graphics card, which will provide reliable guarantee for the development quality and process of the graphics card driver.
According to an aspect of the present disclosure, there is provided an implementation apparatus for a virtual graphics card, including:
the interception and injection module is used for responding to the creation of the virtual machine expansion process, intercepting the virtual machine expansion process and injecting the dynamic link library file of the custom virtual display card into the virtual machine expansion process;
the configuration module is used for configuring the custom virtual display card based on the dynamic link library file;
and the reporting module is used for reporting the configuration information of the custom virtual display card to an operating system of the virtual machine so that the operating system can identify the custom virtual display card according to the configuration information.
In one possible implementation, the virtual machine extension process runs on a host;
the interception and injection module is used for:
and responding to the creation of the virtual machine expansion process, intercepting the virtual machine expansion process through the drive of the host, and injecting the dynamic link library file of the self-defined virtual display card into the virtual machine expansion process through the drive of the host.
In one possible implementation, the apparatus further includes:
the closing module is used for closing an operating system of the virtual machine;
And the restarting module is used for restarting the virtual machine.
In one possible implementation, the configuration module is configured to:
based on the dynamic link library file, at least one of the following is configured: vendor identification information, device identification information, register access mode, video memory access mode, interrupt request processing mode.
In one possible implementation manner, the reporting module is configured to:
the virtual machine process requests the configuration information of the custom virtual display card from the virtual machine expansion process through remote procedure call;
and the virtual machine process reports the configuration information to an operating system of the virtual machine.
In one possible implementation manner, the reporting module is configured to:
and the virtual machine process reports the configuration header in the configuration information to an operating system of the virtual machine.
In one possible implementation, the apparatus further includes:
and the testing module is used for testing the display card drive through the custom virtual display card.
According to an aspect of the present disclosure, there is provided an electronic apparatus including: one or more processors; a memory for storing executable instructions; wherein the one or more processors are configured to invoke the executable instructions stored by the memory to perform the above-described method.
According to an aspect of the present disclosure, there is provided a computer readable storage medium having stored thereon computer program instructions which, when executed by a processor, implement the above-described method.
According to an aspect of the present disclosure, there is provided a computer program product comprising a computer readable code, or a non-transitory computer readable storage medium carrying computer readable code, which when run in an electronic device, a processor in the electronic device performs the above method.
In the embodiment of the disclosure, the virtual machine expansion process is intercepted by responding to the virtual machine expansion process creation, the dynamic link library file of the custom virtual display card is injected into the virtual machine expansion process, the custom virtual display card is configured based on the dynamic link library file, and the configuration information of the custom virtual display card is reported to the operating system of the virtual machine, so that the operating system recognizes the custom virtual display card according to the configuration information, thereby the virtual machine can be used as a simulation platform for developing the display card drive, and the display card drive can be developed on the basis of the custom virtual display card, and the reliable guarantee is provided for the development quality and progress of the display card drive. In addition, as the virtual machine has performance and use experience similar to those of the real machine, large-scale simulation verification can be realized, the use is convenient, the development and the debugging are convenient, and the power consumption and the cost are low. After the driver is installed in the virtual machine, various 3D games can be conveniently tested, and after the video is returned, the video can be quickly tested on-line, so that the lighting is completed.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Other features and aspects of the present disclosure will become apparent from the following detailed description of exemplary embodiments, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description, serve to explain the technical aspects of the disclosure.
Fig. 1 shows a flowchart of an implementation method of a virtual graphics card provided by an embodiment of the present disclosure.
Fig. 2 illustrates an application scenario of a method for implementing a virtual graphics card according to an embodiment of the present disclosure.
Fig. 3 shows a block diagram of an implementation apparatus of a virtual graphics card provided by an embodiment of the present disclosure.
Fig. 4 shows a block diagram of an electronic device 800 provided by an embodiment of the present disclosure.
Detailed Description
Various exemplary embodiments, features and aspects of the disclosure will be described in detail below with reference to the drawings. In the drawings, like reference numbers indicate identical or functionally similar elements. Although various aspects of the embodiments are illustrated in the accompanying drawings, the drawings are not necessarily drawn to scale unless specifically indicated.
The word "exemplary" is used herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments.
The term "and/or" is herein merely an association relationship describing an associated object, meaning that there may be three relationships, e.g., a and/or B, may represent: a exists alone, A and B exist together, and B exists alone. In addition, the term "at least one" herein means any one of a plurality or any combination of at least two of a plurality, for example, including at least one of A, B, C, and may mean including any one or more elements selected from the group consisting of A, B and C.
Furthermore, numerous specific details are set forth in the following detailed description in order to provide a better understanding of the present disclosure. It will be understood by those skilled in the art that the present disclosure may be practiced without some of these specific details. In some instances, methods, means, elements, and circuits well known to those skilled in the art have not been described in detail in order not to obscure the present disclosure.
The performance of the chip emulation platform is widely varied compared to the performance of the virtual machine (e.g., VMware). In the virtual machine, acceleration of games and acceleration of industrial 3D (three-dimensional) software can be more smoothly performed. Because the virtual machine has performance and use experience close to those of the real machine, the development and debugging of the virtual machine are convenient.
The embodiment of the disclosure provides a method for realizing a virtual display card, which is characterized in that a virtual machine expansion process is established by responding to the virtual machine expansion process, a dynamic link library file of a custom virtual display card is injected into the virtual machine expansion process, the custom virtual display card is configured based on the dynamic link library file, and configuration information of the custom virtual display card is reported to an operating system of a virtual machine, so that the operating system recognizes the custom virtual display card according to the configuration information, the virtual machine can be used as a simulation platform for developing a display card driver, and the display card driver can be developed on the basis of the custom virtual display card, thereby providing reliable guarantee for development quality and progress of the display card driver. In addition, as the virtual machine has performance and use experience similar to those of the real machine, large-scale simulation verification can be realized, the use is convenient, the development and the debugging are convenient, and the power consumption and the cost are low. After the driver is installed in the virtual machine, various 3D games can be conveniently tested, and after the video is played back, the video can be quickly tested on-line, so that the playing up (lighting) is completed.
The implementation method of the virtual graphics card provided by the embodiment of the disclosure is described in detail below with reference to the accompanying drawings.
Fig. 1 shows a flowchart of an implementation method of a virtual graphics card provided by an embodiment of the present disclosure. In one possible implementation manner, the execution body of the implementation method of the virtual graphics card may be an implementation device of the virtual graphics card, for example, the implementation method of the virtual graphics card may be executed by a terminal device or a server or other electronic devices. The terminal device may be a User Equipment (UE), a mobile device, a User terminal, a cellular phone, a cordless phone, a personal digital assistant (Personal Digital Assistant, PDA), a handheld device, a computing device, a vehicle mounted device, a wearable device, or the like. In some possible implementations, the method for implementing the virtual graphics card may be implemented by a processor calling computer readable instructions stored in a memory. As shown in fig. 1, the method for implementing the virtual graphics card includes steps S11 to S13.
In step S11, in response to creation of the virtual machine extension process, the virtual machine extension process is intercepted, and a dynamic link library file of the custom virtual graphics card is injected into the virtual machine extension process.
In step S12, the custom virtual graphics card is configured based on the dynamic link library file.
In step S13, the configuration information of the custom virtual graphics card is reported to an operating system of the virtual machine, so that the operating system identifies the custom virtual graphics card according to the configuration information.
In the embodiment of the disclosure, in a case where the electronic device has not installed a virtual machine, the virtual machine is installed in the electronic device. The virtual machines installed may be VMware, microsoft Virtual PC, virtualBox, etc., without limitation.
And after the virtual machine is installed, installing an operating system in the virtual machine. The installed operating system may be a Windows operating system, a Linux operating system, a Mac OS operating system, etc., which is not limited herein.
After the operating system is installed in the virtual machine, a designated tool may be installed in the virtual machine to enable the operating system in the virtual machine to use the original virtual graphics card of the virtual machine. For example, if the virtual machine is VMware and the operating system in the virtual machine is a Windows operating system, VMware Tools may be installed in the virtual machine, so that the Windows operating system in the VMware can normally use the original virtual graphics card SVGA 3D of the VMware.
In the embodiment of the present disclosure, before the virtual graphics card is implemented in the virtual machine, if the virtual machine is in an on state, the virtual machine may be restarted, and if the virtual machine is in an off state, the virtual machine may be started.
In one possible implementation, before the virtual machine extension process is created, the method further includes: closing an operating system of the virtual machine; restarting the virtual machine. For example, if the virtual machine is VMware and the operating system in the virtual machine is a Windows operating system, the Windows operating system in the VMware may be turned off before restarting the VMware.
In this implementation, the probability of data loss can be reduced by shutting down the operating system of the virtual machine before restarting the virtual machine.
In another possible implementation, the virtual machine may be restarted directly.
In the disclosed embodiments, during the process of virtual machine startup, a virtual machine extension process is created. For example, the virtual machine is VMware, and the virtual machine extension process may be a VMware-vmx.exe process. Of course, the virtual machine expansion processes corresponding to different virtual machines are different, and as the virtual machine technology improves, the virtual machine expansion processes may also change.
In the embodiment of the disclosure, in response to detecting a virtual machine expansion process, the virtual machine expansion process is intercepted, and a dynamic link library file of a custom virtual display card is injected into the virtual machine expansion process. The custom virtual graphics card may represent a virtual graphics card customized by a user. The dynamic link library file may include configuration related information and function related information of the custom virtual display card, etc.
In one possible implementation, the virtual machine extension process runs on a host; the responding to the creation of the virtual machine expansion process, intercepting the virtual machine expansion process, and injecting the dynamic link library file of the custom virtual display card into the virtual machine expansion process, comprising: and responding to the creation of the virtual machine expansion process, intercepting the virtual machine expansion process through the drive of the host, and injecting the dynamic link library file (Dynamic Link Library, DLL) of the custom virtual display card into the virtual machine expansion process through the drive of the host.
In the implementation manner, the virtual machine expansion process is intercepted through the drive of the host in response to the creation of the virtual machine expansion process, and the dynamic link library file of the custom virtual display card is injected into the virtual machine expansion process through the drive of the host, so that the safety and timeliness of the injection of the dynamic link library file of the custom virtual display card can be improved.
In other possible implementations, the dynamic link library file of the custom virtual graphics card may also be injected by modifying a registry, etc.
In the embodiment of the disclosure, after the dynamic link library file of the custom virtual display card is injected into the virtual machine expansion process, the custom virtual display card is configured based on the dynamic link library file.
In one possible implementation manner, the configuring the custom virtual graphics card based on the dynamic link library file includes: based on the dynamic link library file, at least one of the following is configured: vendor identification information, device identification information, register access mode, video memory access mode, interrupt request processing mode.
For example, vendor identification information (Vendor ID) of an original virtual video card (for example, SVGA 3D) of the virtual machine may be replaced with Vendor identification information in the dynamic link library file, device identification information (Device ID) of the original virtual video card may be replaced with Device identification information in the dynamic link library file, and a register access mode, a video memory access mode, and an interrupt request processing mode may be configured according to the dynamic link library file.
In this implementation, at least one of the following is configured by being based on the dynamically linked library file: vendor identification information, equipment identification information, a register access mode, a video memory access mode and an interrupt request processing mode, thereby being capable of realizing configuration according to requirements.
Of course, other information may be configured based on the dynamic link library file, which is not limited herein.
In the embodiment of the disclosure, the internal function of the custom display card can be simulated according to the dynamic link library file.
In the embodiment of the disclosure, after the custom virtual graphics card is configured based on the dynamic link library file, an operating system in the virtual machine may be started, and configuration information of the custom virtual graphics card is reported to the operating system of the virtual machine, so that the operating system identifies the custom virtual graphics card according to the configuration information.
In one possible implementation manner, the reporting the configuration information of the custom virtual graphics card to the operating system of the virtual machine includes: the virtual machine process requests the configuration information of the custom virtual display card from the virtual machine expansion process through remote procedure call; and the virtual machine process reports the configuration information to an operating system of the virtual machine.
For example, the virtual machine is VMware, the operating system of the virtual machine is Windows operating system, the virtual machine process is VMware. In this example, the vmware exe process may request configuration information of the custom virtual graphics card from the vmware-vmx exe process through the RPC (Remote Procedure Call ). After the vmware.exe process obtains the configuration information of the custom virtual graphics card, the configuration information of the custom virtual graphics card can be reported to the Windows operating system in the VMware.
In the implementation manner, the configuration information of the custom virtual display card is requested to the virtual machine extension process through the remote procedure call by the virtual machine process, and the virtual machine process reports the configuration information to the operating system of the virtual machine, so that the operating system of the virtual machine can identify the custom virtual display card, and the display card driver can be developed by using the custom virtual display card.
As an example of this implementation, the virtual machine process reports the configuration information to an operating system of the virtual machine, including: and the virtual machine process reports the configuration header in the configuration information to an operating system of the virtual machine.
In one example, the configuration information may also be referred to as a configuration space. The total length of the configuration space may be 256 bytes, where the first 64 bytes may be referred to as the configuration header. The primary functions of the configuration header may include identifying the virtual graphics card, defining the manner in which the virtual graphics card is accessed. The remaining 192 bytes may be referred to as a local configuration space, and may be used primarily to define local bus characteristics, local space base address and range, and the like.
In this example, the configuration header in the configuration information is reported to the operating system of the virtual machine through the virtual machine process, so that unnecessary data transmission can be reduced, and the efficiency of the operating system of the virtual machine in identifying the custom virtual graphics card can be improved.
In one possible implementation manner, after the configuration information of the custom virtual graphics card is reported to an operating system of a virtual machine, so that the operating system identifies the custom virtual graphics card according to the configuration information, the method further includes: and testing the display card drive through the custom virtual display card.
In this implementation manner, after the configuration information of the custom virtual graphics card is reported to the operating system of the virtual machine, the operating system of the virtual machine may identify the custom virtual graphics card according to the configuration information, so that the graphics card driver can be developed on the basis of the custom virtual graphics card, which will provide reliable guarantee for the development quality and process of the graphics card driver.
The implementation method of the virtual graphics card provided by the embodiment of the disclosure is described below through a specific application scenario. Fig. 2 illustrates an application scenario of a method for implementing a virtual graphics card according to an embodiment of the present disclosure. In the example shown in fig. 2, a driver, a vmware-vmx.exe process, and a vmware.exe process are included.
In the application scene, firstly, VMware is installed in the electronic equipment, a Windows operating system is installed in the VMware, and VMware Tools are installed in the VMware, so that the Windows operating system can normally use a virtual graphics card SVGA 3D of the VMware.
After the VMware Tools are installed, the Windows operating system in the VMware is turned off and the VMware is restarted.
Responding to the creation of the VMware-vmx.exe process when the VMware is started, intercepting the VMware-vmx.exe process through the drive of the host, and injecting the DLL file of the custom virtual display card into the VMware-vmx.exe process through the drive of the host.
After the DLL file of the custom virtual display card is injected into the vmware-vmx.exe process, the custom virtual display card can be configured according to the DLL file of the custom virtual display card. And the internal functions of the custom display card can be simulated according to the DLL file of the custom virtual display card.
After configuring the custom virtual graphics card, the Windows operating system in VMware may be opened. The vmware.exe process may request configuration information of the custom virtual graphics card from the vmware-vmx.exe process through the RPC. After the vmware.exe process obtains the configuration information of the custom virtual graphics card, the configuration header in the configuration information of the custom virtual graphics card can be reported to the Windows operating system in the VMware.
After the configuration information of the custom virtual display card is reported to the Windows operating system in the VMware, the Windows operating system in the VMware can identify the custom virtual display card according to the configuration information, so that the display card driver can be tested through the custom virtual display card.
It will be appreciated that the above-mentioned method embodiments of the present disclosure may be combined with each other to form a combined embodiment without departing from the principle logic, and are limited to the description of the present disclosure. It will be appreciated by those skilled in the art that in the above-described methods of the embodiments, the particular order of execution of the steps should be determined by their function and possible inherent logic.
In addition, the disclosure further provides an implementation device, an electronic device, a computer readable storage medium and a computer program product for implementing any one of the implementation methods for the virtual graphics card provided in the disclosure, and the corresponding technical schemes and technical effects can be referred to the corresponding records of the method parts and are not repeated.
Fig. 3 shows a block diagram of an implementation apparatus of a virtual graphics card provided by an embodiment of the present disclosure. As shown in fig. 3, the implementation device of the virtual graphics card includes:
the interception and injection module 31 is configured to intercept a virtual machine extension process in response to creation of the virtual machine extension process, and inject a dynamic link library file of a custom virtual display card into the virtual machine extension process;
a configuration module 32, configured to configure the custom virtual graphics card based on the dynamic link library file;
And the reporting module 33 is configured to report the configuration information of the custom virtual graphics card to an operating system of the virtual machine, so that the operating system identifies the custom virtual graphics card according to the configuration information.
In one possible implementation, the virtual machine extension process runs on a host;
the interception and injection module 31 is configured to:
and responding to the creation of the virtual machine expansion process, intercepting the virtual machine expansion process through the drive of the host, and injecting the dynamic link library file of the self-defined virtual display card into the virtual machine expansion process through the drive of the host.
In one possible implementation, the apparatus further includes:
the closing module is used for closing an operating system of the virtual machine;
and the restarting module is used for restarting the virtual machine.
In one possible implementation, the configuration module 32 is configured to:
based on the dynamic link library file, at least one of the following is configured: vendor identification information, device identification information, register access mode, video memory access mode, interrupt request processing mode.
In one possible implementation, the reporting module 33 is configured to:
the virtual machine process requests the configuration information of the custom virtual display card from the virtual machine expansion process through remote procedure call;
And the virtual machine process reports the configuration information to an operating system of the virtual machine.
In one possible implementation, the reporting module 33 is configured to:
and the virtual machine process reports the configuration header in the configuration information to an operating system of the virtual machine.
In one possible implementation, the apparatus further includes:
and the testing module is used for testing the display card drive through the custom virtual display card.
In the embodiment of the disclosure, the virtual machine expansion process is intercepted by responding to the virtual machine expansion process creation, the dynamic link library file of the custom virtual display card is injected into the virtual machine expansion process, the custom virtual display card is configured based on the dynamic link library file, and the configuration information of the custom virtual display card is reported to the operating system of the virtual machine, so that the operating system recognizes the custom virtual display card according to the configuration information, thereby the virtual machine can be used as a simulation platform for developing the display card drive, and the display card drive can be developed on the basis of the custom virtual display card, and the reliable guarantee is provided for the development quality and progress of the display card drive. In addition, as the virtual machine has performance and use experience similar to those of the real machine, large-scale simulation verification can be realized, the use is convenient, the development and the debugging are convenient, and the power consumption and the cost are low. After the driver is installed in the virtual machine, various 3D games can be conveniently tested, and after the video is returned, the video can be quickly tested on-line, so that the lighting is completed.
In some embodiments, functions or modules included in an apparatus provided by the embodiments of the present disclosure may be used to perform a method described in the foregoing method embodiments, and specific implementation and technical effects of the functions or modules may refer to the descriptions of the foregoing method embodiments, which are not repeated herein for brevity.
The disclosed embodiments also provide a computer readable storage medium having stored thereon computer program instructions which, when executed by a processor, implement the above-described method. Wherein the computer readable storage medium may be a non-volatile computer readable storage medium or may be a volatile computer readable storage medium.
The disclosed embodiments also propose a computer program comprising computer readable code which, when run in an electronic device, causes a processor in the electronic device to carry out the above method.
Embodiments of the present disclosure also provide a computer program product comprising computer readable code, or a non-transitory computer readable storage medium carrying computer readable code, which when run in an electronic device, causes a processor in the electronic device to perform the above method.
The embodiment of the disclosure also provides an electronic device, including: one or more processors; a memory for storing executable instructions; wherein the one or more processors are configured to invoke the executable instructions stored by the memory to perform the above-described method.
The electronic device may be provided as a terminal, server or other form of device.
Fig. 4 shows a block diagram of an electronic device 800 provided by an embodiment of the present disclosure. For example, electronic device 800 may be a mobile phone, computer, digital broadcast terminal, messaging device, game console, tablet device, medical device, exercise device, personal digital assistant, or the like.
Referring to fig. 4, the electronic device 800 may include one or more of the following components: a processing component 802, a memory 804, a power component 806, a multimedia component 808, an audio component 810, an input/output interface 812, a sensor component 814, and a communication component 816.
The processing component 802 generally controls overall operation of the electronic device 800, such as operations associated with display, telephone calls, data communications, camera operations, and recording operations. The processing component 802 may include one or more processors 820 to execute instructions to perform all or part of the steps of the methods described above. Further, the processing component 802 can include one or more modules that facilitate interactions between the processing component 802 and other components. For example, the processing component 802 can include a multimedia module to facilitate interaction between the multimedia component 808 and the processing component 802.
The memory 804 is configured to store various types of data to support operations at the electronic device 800. Examples of such data include instructions for any application or method operating on the electronic device 800, contact data, phonebook data, messages, pictures, videos, and so forth. The memory 804 may be implemented by any type or combination of volatile or nonvolatile memory devices such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disk.
The power supply component 806 provides power to the various components of the electronic device 800. The power components 806 may include a power management system, one or more power sources, and other components associated with generating, managing, and distributing power for the electronic device 800.
The multimedia component 808 includes a screen between the electronic device 800 and the user that provides an output interface. In some embodiments, the screen may include a Liquid Crystal Display (LCD) and a Touch Panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive input signals from a user. The touch panel includes one or more touch sensors to sense touches, swipes, and gestures on the touch panel. The touch sensor may sense not only the boundary of a touch or slide action, but also the duration and pressure associated with the touch or slide operation. In some embodiments, the multimedia component 808 includes a front camera and/or a rear camera. When the electronic device 800 is in an operational mode, such as a shooting mode or a video mode, the front camera and/or the rear camera may receive external multimedia data. Each front camera and rear camera may be a fixed optical lens system or have focal length and optical zoom capabilities.
The audio component 810 is configured to output and/or input audio signals. For example, the audio component 810 includes a Microphone (MIC) configured to receive external audio signals when the electronic device 800 is in an operational mode, such as a call mode, a recording mode, and a voice recognition mode. The received audio signals may be further stored in the memory 804 or transmitted via the communication component 816. In some embodiments, audio component 810 further includes a speaker for outputting audio signals.
Input/output interface 812 provides an interface between processing component 802 and peripheral interface modules, which may be keyboards, click wheels, buttons, etc. These buttons may include, but are not limited to: homepage button, volume button, start button, and lock button.
The sensor assembly 814 includes one or more sensors for providing status assessment of various aspects of the electronic device 800. For example, the sensor assembly 814 may detect an on/off state of the electronic device 800, a relative positioning of the components, such as a display and keypad of the electronic device 800, the sensor assembly 814 may also detect a change in position of the electronic device 800 or a component of the electronic device 800, the presence or absence of a user's contact with the electronic device 800, an orientation or acceleration/deceleration of the electronic device 800, and a change in temperature of the electronic device 800. The sensor assembly 814 may include a proximity sensor configured to detect the presence of nearby objects without any physical contact. The sensor assembly 814 may also include a photosensor, such as a Complementary Metal Oxide Semiconductor (CMOS) or Charge Coupled Device (CCD) image sensor, for use in imaging applications. In some embodiments, the sensor assembly 814 may also include an acceleration sensor, a gyroscopic sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
The communication component 816 is configured to facilitate communication between the electronic device 800 and other devices, either wired or wireless. The electronic device 800 may access a wireless network based on a communication standard, such as a wireless network (Wi-Fi), a second generation mobile communication technology (2G), a third generation mobile communication technology (3G), a fourth generation mobile communication technology (4G), long Term Evolution (LTE) of a universal mobile communication technology, a fifth generation mobile communication technology (5G), or a combination thereof. In one exemplary embodiment, the communication component 816 receives broadcast signals or broadcast related information from an external broadcast management system via a broadcast channel. In one exemplary embodiment, the communication component 816 further includes a Near Field Communication (NFC) module to facilitate short range communications. For example, the NFC module may be implemented based on Radio Frequency Identification (RFID) technology, infrared data association (IrDA) technology, ultra Wideband (UWB) technology, bluetooth (BT) technology, and other technologies.
In an exemplary embodiment, the electronic device 800 may be implemented by one or more Application Specific Integrated Circuits (ASICs), digital Signal Processors (DSPs), digital Signal Processing Devices (DSPDs), programmable Logic Devices (PLDs), field Programmable Gate Arrays (FPGAs), controllers, microcontrollers, microprocessors, or other electronic elements for executing the methods described above.
In an exemplary embodiment, a non-transitory computer readable storage medium is also provided, such as memory 804 including computer program instructions executable by processor 820 of electronic device 800 to perform the above-described methods.
The present disclosure may be a system, method, and/or computer program product. The computer program product may include a computer readable storage medium having computer readable program instructions embodied thereon for causing a processor to implement aspects of the present disclosure.
The computer readable storage medium may be a tangible device that can hold and store instructions for use by an instruction execution device. The computer readable storage medium may be, for example, but not limited to, an electronic storage device, a magnetic storage device, an optical storage device, an electromagnetic storage device, a semiconductor storage device, or any suitable combination of the foregoing. More specific examples (a non-exhaustive list) of the computer-readable storage medium would include the following: portable computer disks, hard disks, random Access Memory (RAM), read-only memory (ROM), erasable programmable read-only memory (EPROM or flash memory), static Random Access Memory (SRAM), portable compact disk read-only memory (CD-ROM), digital Versatile Disks (DVD), memory sticks, floppy disks, mechanical coding devices, punch cards or in-groove structures such as punch cards or grooves having instructions stored thereon, and any suitable combination of the foregoing. Computer-readable storage media, as used herein, are not to be construed as transitory signals per se, such as radio waves or other freely propagating electromagnetic waves, electromagnetic waves propagating through waveguides or other transmission media (e.g., optical pulses through fiber optic cables), or electrical signals transmitted through wires.
The computer readable program instructions described herein may be downloaded from a computer readable storage medium to a respective computing/processing device or to an external computer or external storage device over a network, such as the internet, a local area network, a wide area network, and/or a wireless network. The network may include copper transmission cables, fiber optic transmissions, wireless transmissions, routers, firewalls, switches, gateway computers and/or edge servers. The network interface card or network interface in each computing/processing device receives computer readable program instructions from the network and forwards the computer readable program instructions for storage in a computer readable storage medium in the respective computing/processing device.
Computer program instructions for performing the operations of the present disclosure can be assembly instructions, instruction Set Architecture (ISA) instructions, machine-related instructions, microcode, firmware instructions, state setting data, or source or object code written in any combination of one or more programming languages, including an object oriented programming language such as Smalltalk, c++ or the like and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The computer readable program instructions may be executed entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any kind of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or may be connected to an external computer (for example, through the Internet using an Internet service provider). In some embodiments, aspects of the present disclosure are implemented by personalizing electronic circuitry, such as programmable logic circuitry, field Programmable Gate Arrays (FPGAs), or Programmable Logic Arrays (PLAs), with state information of computer readable program instructions, which can execute the computer readable program instructions.
Various aspects of the present disclosure are described herein with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the disclosure. It will be understood that each block of the flowchart illustrations and/or block diagrams, and combinations of blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer-readable program instructions.
These computer readable program instructions may be provided to a processor of a general purpose computer, special purpose computer, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions/acts specified in the flowchart and/or block diagram block or blocks. These computer readable program instructions may also be stored in a computer readable storage medium that can direct a computer, programmable data processing apparatus, and/or other devices to function in a particular manner, such that the computer readable medium having the instructions stored therein includes an article of manufacture including instructions which implement the function/act specified in the flowchart and/or block diagram block or blocks.
The computer readable program instructions may also be loaded onto a computer, other programmable data processing apparatus, or other devices to cause a series of operational steps to be performed on the computer, other programmable apparatus or other devices to produce a computer implemented process such that the instructions which execute on the computer, other programmable apparatus or other devices implement the functions/acts specified in the flowchart and/or block diagram block or blocks.
The flowcharts and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present disclosure. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of instructions, which comprises one or more executable instructions for implementing the specified logical function(s). In some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
The computer program product may be realized in particular by means of hardware, software or a combination thereof. In an alternative embodiment, the computer program product is embodied as a computer storage medium, and in another alternative embodiment, the computer program product is embodied as a software product, such as a software development kit (Software Development Kit, SDK), or the like.
The foregoing description of various embodiments is intended to highlight differences between the various embodiments, which may be the same or similar to each other by reference, and is not repeated herein for the sake of brevity.
If the technical scheme of the embodiment of the disclosure relates to personal information, the product applying the technical scheme of the embodiment of the disclosure clearly informs the personal information processing rule and obtains personal independent consent before processing the personal information. If the technical solution of the embodiment of the present disclosure relates to sensitive personal information, the product applying the technical solution of the embodiment of the present disclosure obtains individual consent before processing the sensitive personal information, and simultaneously meets the requirement of "explicit consent". For example, a clear and remarkable mark is set at a personal information acquisition device such as a camera to inform that the personal information acquisition range is entered, personal information is acquired, and if the personal voluntarily enters the acquisition range, the personal information is considered as consent to be acquired; or on the device for processing the personal information, under the condition that obvious identification/information is utilized to inform the personal information processing rule, personal authorization is obtained by popup information or a person is requested to upload personal information and the like; the personal information processing rule may include information such as a personal information processor, a personal information processing purpose, a processing mode, and a type of personal information to be processed.
The foregoing description of the embodiments of the present disclosure has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the various embodiments described. The terminology used herein was chosen in order to best explain the principles of the embodiments, the practical application, or the improvement of technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.
Claims (10)
1. The method for realizing the virtual display card is characterized by comprising the following steps:
responding to the creation of a virtual machine expansion process, intercepting the virtual machine expansion process, and injecting a dynamic link library file of a custom virtual display card into the virtual machine expansion process, wherein the custom virtual display card represents a virtual display card custom by a user, and the dynamic link library file comprises configuration related information of the custom virtual display card;
configuring the custom virtual display card based on the dynamic link library file;
and reporting the configuration information of the custom virtual display card to an operating system of the virtual machine, so that the operating system identifies the custom virtual display card according to the configuration information.
2. The method of claim 1, wherein the virtual machine extension process runs on a host;
the responding to the creation of the virtual machine expansion process, intercepting the virtual machine expansion process, and injecting the dynamic link library file of the custom virtual display card into the virtual machine expansion process, comprising:
and responding to the creation of the virtual machine expansion process, intercepting the virtual machine expansion process through the drive of the host, and injecting the dynamic link library file of the self-defined virtual display card into the virtual machine expansion process through the drive of the host.
3. The method of claim 1, wherein prior to creation of the virtual machine extension process, the method further comprises:
closing an operating system of the virtual machine;
restarting the virtual machine.
4. The method of any of claims 1 to 3, wherein configuring the custom virtual graphics card based on the dynamically linked library file comprises:
based on the dynamic link library file, at least one of the following is configured: vendor identification information, device identification information, register access mode, video memory access mode, interrupt request processing mode.
5. The method according to any one of claims 1 to 3, wherein reporting the configuration information of the custom virtual graphics card to an operating system of a virtual machine includes:
the virtual machine process requests the configuration information of the custom virtual display card from the virtual machine expansion process through remote procedure call;
and the virtual machine process reports the configuration information to an operating system of the virtual machine.
6. The method of claim 5, wherein the virtual machine process reporting the configuration information to an operating system of a virtual machine, comprising:
and the virtual machine process reports the configuration header in the configuration information to an operating system of the virtual machine.
7. The method according to any one of claims 1 to 3, wherein after the reporting the configuration information of the custom virtual graphics card to an operating system of a virtual machine, so that the operating system identifies the custom virtual graphics card according to the configuration information, the method further comprises:
and testing the display card drive through the custom virtual display card.
8. The device for realizing the virtual display card is characterized by comprising the following components:
the system comprises an interception and injection module, a virtual machine expansion process creation module and a virtual machine expansion process creation module, wherein the interception and injection module is used for responding to the virtual machine expansion process creation, intercepting the virtual machine expansion process, and injecting a dynamic link library file of a custom virtual display card into the virtual machine expansion process, wherein the custom virtual display card represents a virtual display card custom by a user, and the dynamic link library file comprises configuration related information of the custom virtual display card;
The configuration module is used for configuring the custom virtual display card based on the dynamic link library file;
and the reporting module is used for reporting the configuration information of the custom virtual display card to an operating system of the virtual machine so that the operating system can identify the custom virtual display card according to the configuration information.
9. An electronic device, comprising:
one or more processors;
a memory for storing executable instructions;
wherein the one or more processors are configured to invoke the memory-stored executable instructions to perform the method of any of claims 1 to 7.
10. A computer readable storage medium having stored thereon computer program instructions, which when executed by a processor, implement the method of any of claims 1 to 7.
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