CN111753309A - Display card switching method, server and storage medium - Google Patents
Display card switching method, server and storage medium Download PDFInfo
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- CN111753309A CN111753309A CN202010603037.9A CN202010603037A CN111753309A CN 111753309 A CN111753309 A CN 111753309A CN 202010603037 A CN202010603037 A CN 202010603037A CN 111753309 A CN111753309 A CN 111753309A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/50—Monitoring users, programs or devices to maintain the integrity of platforms, e.g. of processors, firmware or operating systems
- G06F21/57—Certifying or maintaining trusted computer platforms, e.g. secure boots or power-downs, version controls, system software checks, secure updates or assessing vulnerabilities
- G06F21/572—Secure firmware programming, e.g. of basic input output system [BIOS]
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/14—Error detection or correction of the data by redundancy in operation
- G06F11/1402—Saving, restoring, recovering or retrying
- G06F11/1415—Saving, restoring, recovering or retrying at system level
- G06F11/1438—Restarting or rejuvenating
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/16—Error detection or correction of the data by redundancy in hardware
- G06F11/20—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
- G06F11/202—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where processing functionality is redundant
- G06F11/2023—Failover techniques
- G06F11/2033—Failover techniques switching over of hardware resources
Abstract
The invention relates to the technical field of servers, and discloses a display card switching method, a server and a storage medium, wherein the display card switching method comprises the following steps: when the BIOS module is started and detects at least two in-place display card devices, the BMC module determines a target display card to be switched from the in-place display card devices and informs the BIOS module, and then the machine is restarted; and the BIOS module acquires and loads the VBIOS file of the target display card so as to control the output display of the target display card. When the invention is applied, when the graphics card is required to be switched, only the information of the target graphics card to be switched needs to be modified at the BMC module side, and the subsequent BIOS module can automatically determine the target graphics card and completely start and load.
Description
Technical Field
The invention relates to the technical field of servers, in particular to a display card switching method, a server and a storage medium.
Background
At present, a server product generally supports multiple display cards, such as an integrated display card, an external display card, a BMC (baseboard management Controller) display card, and the like.
The integrated display card is integrated inside a CPU of the server, the external display card is connected with the server in an inserting mode through an external PCIe slot provided by the server, and the BMC display card is integrated inside the BMC module.
These different graphics cards each have advantages and disadvantages, such as: compared with an integrated display card and a BMC display card, the external display card has higher processing efficiency, but has larger volume and needs to be inserted into a PCIe slot provided by the server.
Under different conditions, the graphics card switching operation is often performed based on the characteristics of each graphics card. For example: the user switches between the display cards with different display resolutions by combining own preference and application scenes; when the server is switched to the power-saving mode, switching to a display card with lower power consumption; in a factory test link, sequentially switching each display card so as to independently test each display card;
in the prior art, when a plurality of graphics cards are in place, a server only loads a VBIOS (virtual Basic Input/Output System) of a graphics card with the highest priority among the plurality of detected graphics cards at each time of starting, and since each graphics card is designed for different platforms and the priority order thereof is fixed, in order to implement graphics card switching, a user needs to enter a menu option of a BIOS (Basic Input Output System ) to perform manual switching, or modify the priority in a VBIOS file in the corresponding graphics card. However, the two conventional switching methods have the following disadvantages:
1) the switching difficulty is high, the BIOS modification menu option needs to be manually entered or the video card needs to be manually entered to modify the VBIOS file, and certain technical difficulty exists for both users and testers.
2) When the mode of modifying the VBIOS file in the display card is adopted, the manufacturer of the display card is required to assist, and the manufacturer of the display card can not necessarily assist in considering the technical secret problem.
3) The switching operation is easily limited by a hardware platform and mainly exists in intel or AMD platforms, and because the display processing flow and the implementation method of each platform are inconsistent, the implementation process of the specific manual switching operation is inconsistent, and the portability is poor.
4) Time consumption: for a user and a tester, setting, searching an option menu, storing and restarting are required to be manually performed every switching, and much time is spent.
Disclosure of Invention
The invention aims to provide a video card switching method, a server and a storage medium, which are used for solving the problems of high technical difficulty, requirement of manufacturer assistance, limitation of a hardware platform and time consumption of the two conventional manual switching modes.
In order to achieve the purpose, the invention adopts the following technical scheme:
a graphics card switching method comprises the following steps:
when the BIOS module is started and detects at least two in-place display card devices, the BMC module determines a target display card to be switched from the in-place display card devices and informs the BIOS module, and then the machine is restarted;
and the BIOS module acquires and loads the VBIOS file of the target display card so as to control the output display of the target display card.
Optionally, the BMC module determines a target graphics card to be switched from the in-place graphics card device and notifies the BIOS module, including:
when the BIOS module detects at least two on-site display card devices during startup, the BIOS module reports SSIDs (Service Set identifiers, Service setting flag numbers)/SVIDs (Subsystem Vendor identifiers) of all the on-site display card devices to the BMC module;
the BMC module sets display priorities corresponding to the SSIDs/SVIDs of the on-site display card devices and returns the SSIDs/SVIDs with the highest display priorities to the BIOS module;
and the BIOS module determines the in-place display card equipment corresponding to the received SSID/SVID as the target display card.
Optionally, the BMC module determines the target graphics card to be switched from the in-place graphics card device and notifies the BIOS module, further including:
the BMC module presets a first priority display list, wherein the first priority display list comprises SSIDs/SVIDs (service set identifiers/service set identifiers) of a plurality of display card devices supported by a server and corresponding display priorities.
And the BMC module sets a display priority corresponding to the SSID/SVID of each in-place display card device according to the first priority display list.
Optionally, the BMC module determines the target graphics card to be switched from the in-place graphics card device and notifies the BIOS module, further including:
the VBIOS files of the display card equipment supported by the server are stored in advance;
and the BMC module reads a pre-stored VBIOS file corresponding to the SSID/SVID with the highest display priority and sends the VBIOS file to the BIOS module while returning the SSID/SVID with the highest display priority to the BIOS module.
Optionally, the VBIOS file of each display Card device supported by the server is stored in the BMC module, the SD Card (Secure Digital Card), or the EMMC (embedded Multi Media Card) in advance.
Optionally, the BIOS module obtains the VBIOS file of the target graphics card from the target graphics card itself.
Optionally, after setting the display priority corresponding to the SSID/SVID of each in-place graphics card device, the BMC module generates a corresponding second priority display list accordingly and sends the second priority display list to the BIOS module, and the BIOS module controls display of the second priority display list to a user.
Optionally, the BMC module determines a target graphics card to be switched from the in-place graphics card device and notifies the BIOS module, including:
reserving a display option interface for the BMC module in the BIOS module;
and the BMC module sets the target display card through the display option interface.
A server, comprising a memory, a processor, and a computer program stored on the memory and executable on the processor, wherein the processor executes the computer program to perform the graphics card switching method as described in any one of the above.
A storage medium storing a plurality of instructions, the instructions being suitable for being loaded by a processor to perform the steps of the graphics card switching method as described in any one of the above.
Compared with the prior art, the embodiment of the invention has the following beneficial effects:
by applying the embodiment of the invention, when the display card is required to be switched, only the information of the target display card to be switched needs to be modified at the BMC module side, and the subsequent BIOS module can automatically determine the target display card and completely start and load the target display card. The user does not need to manually enter a BIOS menu to modify and adjust the display options, and does not need to enter each display card to set the priority, so that the technical difficulty of switching operation is greatly reduced, the dependency on manufacturers of the display cards is relieved, the switching operation speed is greatly improved, and the method has strong transportability to different platforms.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a flowchart of a video card switching method according to an embodiment of the present invention.
Fig. 2 is a flowchart of a graphics card switching method according to a second embodiment of the present invention.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to solve the problems of high technical difficulty, requirement of manufacturer assistance, limitation of a hardware platform and time consumption of the conventional manual switching mode, the BIOS program is controlled by adopting an out-of-band management mode. Out-of-band management, i.e. management control information and data information are transmitted through different physical channels, and the control plane and the data plane are completely independent and do not affect each other. By adopting the out-of-band management mode, the BIOS program can be controlled through the control plane channel when running, namely, business processing is carried out through the data plane channel.
Based on this, the video card switching scheme realized by applying the BMC technology provided by the invention comprises the following steps: when the BIOS module is started and detects at least two in-place display card devices, the BMC module determines a target display card to be switched from the in-place display card devices and informs the BIOS module, and then the machine is restarted; and the BIOS module acquires and loads the VBIOS file of the target display card so as to control the output display of the target display card.
Example one
Referring to fig. 1, the present embodiment provides a graphics card switching method, applied to a server product, including the steps of:
The SSID/SVID is a unique identifier of the graphics card device and can be used for distinguishing different graphics card devices.
The first priority display list is to be used as a basis for setting the priorities of a plurality of on-site display card devices in the following, and may include all the display card devices supported by the server. In the list, the display priorities of the display card devices are different, and the display priorities can be set by a user according to requirements.
And 103, setting display priorities corresponding to the SSIDs/SVIDs of all the in-place display card devices by the BMC module, and returning the SSIDs/SVIDs with the highest display priorities to the BIOS module.
Based on the preset first priority display list, the BMC module can search the corresponding list item of each in-place display card device according to the SSID/SVID, and set the display priority corresponding to the SSID/SVID of each in-place display card device according to the search result.
In other embodiments, the BMC module may also directly set the display priority corresponding to the SSID/SVID of each in-place graphics card device according to actual conditions, without referring to a preset first priority display list, which is not limited in the present invention.
After the setting operation of the display priority corresponding to the SSID/SVID of each in-place display card device is completed, the BMC module can further generate a corresponding second priority display list according to the setting operation, the second priority display list is sent to the BIOS module, the BIOS module controls and displays the display list to a user, the user can know the type and the corresponding display priority of the current in-place display device, and a foundation is laid for the user to adjust the display priority required by the next switching operation.
And step 104, determining the in-place display card equipment corresponding to the received SSID/SVID as a target display card by the BIOS module, and acquiring and loading a VBIOS file of the target display card to control the target display card to output and display.
The BIOS module may obtain the VBIOS file of the target graphics card in various ways, which are not limited specifically.
For example, the VBIOS file of each display card device supported by the server may be pre-stored in the BMC module or the SD card/EMMC connected to the BMC module, and the BIOS module may extract the VBIOS file of the target display card from its own cache or the SD card/EMMC directly, and send the VBIOS file to the BIOS module. Of course, the BIOS module may also obtain the VBIOS file directly from the target graphics card itself.
It should be noted that, in this embodiment, the BMC module and the BIOS module perform information interaction by using an IPMI (Intelligent platform management Interface) protocol.
Based on the display card switching method, when the user executes the next switching, the subsequent BIOS module can automatically determine the new target display card to be switched and completely start and load the target display card only by modifying the display priority information corresponding to each display card device in the first priority display list in the BMC module. The user does not need to manually enter a BIOS menu to modify and adjust the display options, and does not need to enter each display card to set the priority, so that the technical difficulty of switching operation is greatly reduced, the dependency on manufacturers of the display cards is relieved, the switching operation speed is greatly improved, and the method has strong transportability to different platforms.
Example two
Referring to fig. 2, based on a solution idea of determining a target graphics card to be switched from an in-place graphics card device through a BMC module, the present embodiment provides another graphics card switching method, including:
Different from the first embodiment, in the second embodiment, the BIOS module directly encapsulates the display option interface for setting the target display card, and reserves the display option interface for the BMC module, the BMC module can acquire the currently loaded and operated display card device through the display option interface, and modify the currently loaded and operated display card device into the target display card through the display option interface when necessary, and after the BIOS module is restarted, the BIOS module can automatically reload the VBIOS file of the target display card, and complete switching is performed.
EXAMPLE III
The embodiment provides a server, which includes a memory, a processor and a computer program stored in the memory and capable of running on the processor, wherein the processor executes the computer program to perform the video card switching method according to the first embodiment or the second embodiment.
Example four
It will be understood by those skilled in the art that all or part of the steps of the methods of the above embodiments may be performed by instructions or by associated hardware controlled by the instructions, which may be stored in a computer readable storage medium and loaded and executed by a processor.
To this end, an embodiment of the present invention provides a storage medium, in which a plurality of instructions are stored, and the instructions can be loaded by a processor to execute the steps in the video card switching method provided in the embodiment of the present invention.
Wherein the storage medium may include: read Only Memory (ROM), Random Access Memory (RAM), magnetic or optical disks, and the like.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A display card switching method is characterized by comprising the following steps:
when the basic input and output system BIOS module is started up and detects at least two in-place display card devices, the baseboard management controller BMC module determines a target display card to be switched from the in-place display card devices and informs the BIOS module, and then the machine is restarted;
and the BIOS module acquires and loads a Virtual Basic Input Output System (VBIOS) file of the target display card so as to control the output display of the target display card.
2. The graphics card switching method according to claim 1, wherein the BMC module determines a target graphics card to be switched from the in-place graphics card device and notifies the BIOS module, including:
when the BIOS module detects at least two in-place display card devices at the time of starting up, reporting service set identifier SSID/subsystem manufacturer identification code SVID of all the in-place display card devices to the BMC module;
the BMC module sets display priorities corresponding to the SSIDs/SVIDs of the on-site display card devices and returns the SSIDs/SVIDs with the highest display priorities to the BIOS module;
and the BIOS module determines the in-place display card equipment corresponding to the received SSID/SVID as the target display card.
3. The graphics card switching method according to claim 2, wherein the BMC module determines a target graphics card to be switched from the in-place graphics card device and notifies the BIOS module, further comprising:
the BMC module presets a first priority display list, wherein the first priority display list comprises SSIDs/SVIDs (service set identifiers/service set identifiers) of a plurality of display card devices supported by a server and corresponding display priorities;
and the BMC module sets a display priority corresponding to the SSID/SVID of each in-place display card device according to the first priority display list.
4. The graphics card switching method according to claim 3, wherein the BMC module determines a target graphics card to be switched from the in-place graphics card device and notifies the BIOS module, further comprising:
the VBIOS files of the display card equipment supported by the server are stored in advance;
and the BMC module reads a pre-stored VBIOS file corresponding to the SSID/SVID with the highest display priority and sends the VBIOS file to the BIOS module while returning the SSID/SVID with the highest display priority to the BIOS module.
5. The graphics card switching method according to claim 4, wherein the VBIOS file of each graphics card device supported by the server is pre-stored in the BMC module, the SD card or the EMMC.
6. The graphics card switching method of claim 2, wherein the BIOS module obtains the VBIOS file of the target graphics card from the target graphics card itself.
7. The graphics card switching method of claim 2, wherein the BMC module generates a corresponding second priority display list according to the display priority corresponding to the SSID/SVID of each in-place graphics card device, sends the second priority display list to the BIOS module, and controls the display to the user by the BIOS module.
8. The graphics card switching method according to claim 1, wherein the BMC module determines a target graphics card to be switched from the in-place graphics card device and notifies the BIOS module, including:
reserving a display option interface for the BMC module in the BIOS module;
and the BMC module sets the target display card through the display option interface.
9. A server comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor executes the computer program to perform the graphics card switching method according to any one of claims 1 to 8.
10. A storage medium storing a plurality of instructions, the instructions being suitable for being loaded by a processor to perform the steps of the video card switching method according to any one of claims 1 to 8.
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| CN202010603037.9A CN111753309A (en) | 2020-06-29 | 2020-06-29 | Display card switching method, server and storage medium |
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| CN202010603037.9A CN111753309A (en) | 2020-06-29 | 2020-06-29 | Display card switching method, server and storage medium |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113836068A (en) * | 2021-09-30 | 2021-12-24 | 北京金山云网络技术有限公司 | PCIe display card control method and device, server and electronic equipment |
| CN116650955A (en) * | 2023-07-27 | 2023-08-29 | 深圳市芯盈科技有限公司 | Display card switching control method and device, computer equipment and storage medium |
| CN113836068B (en) * | 2021-09-30 | 2024-04-26 | 北京金山云网络技术有限公司 | PCIe display card control method and device, server and electronic equipment |
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