Virtual machine system and method for uninstalling docking station equipment in virtual machine system
A virtual machine and docking station technology, applied in the virtual field, can solve problems such as physical equipment damage and cumbersomeness, and achieve the effect of avoiding data damage problems.
Active Publication Date: 2012-03-21
LENOVO (BEIJING) CO LTD
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[0010] It can be seen from the above methods that in the first method, once the external physical device is still used by GOS, it may cause damage to the physical device, while in the second method, the user needs to perform multiple operations, which is very cumbersome
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[0041] In a virtual machine system and an unloading method for a universal serial bus device thereof according to an embodiment of the present invention, the HOS distinguishes the access type of an external device that needs to be inserted into the GOS, and when the external device is accessed through a Dock device, the The external device is oriented to simulate a second simulated hardware device (set in the virtual machine) that is accessed through the docking station and needs to be used in the GOS, and the second simulated hardware device is set up in the virtual machine The association relationship of the virtual docking station device in the GOS, when HOS monitors the Dock device unloading event, it will be notified to the GOS, so that the GOS can uninstall the virtual docking station device and the virtual docking station based on the association relationship As for the second simulated hardware device associated with the device, the PNP manager of the HOS completes the ...
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The invention discloses a virtual machine system and a method for uninstalling docking station equipment in the virtual machine system. The virtual machine system comprises second analog hardware equipment used for simulating second physical equipment which is connected by the docking station equipment and is used in a guest operation system (GOS), a first directional module for directing the second physical equipment to the second analog hardware equipment, virtual docking station equipment, a differentiated system description table for recording the relation between the second simulation hardware equipment and the virtual docking station equipment, an event monitoring module for sending a notice to a virtual machine when the uninstalling request of the docking station equipment is detected, and an event simulation module for informing the GOS of a docking station equipment uninstalling event based on the notice so as to allow the GOS to uninstall the virtual docking station equipment and the second analog hardware equipment. In the invention, a user does not need to return to the GOS to manually uninstall, and simultaneously, the data damage problem caused by forced uninstalling is also sloved.
Description
technical field [0001] The invention relates to the field of virtual technology, in particular to a virtual machine system and a method for unloading docking station equipment in the virtual machine system. Background technique [0002] Due to the limited layout of the external interface on the host computer, once a lot of external devices need to communicate with the host computer at the same time, there may be insufficient external interfaces. This phenomenon is particularly obvious on notebook computers. [0003] In order to solve the above-mentioned problems, many computer hosts can now provide a docking station (Dock) interface through which extended external devices can be connected, wherein the external devices include USB (Universal Serial Bus, Universal Serial Bus) devices, external display devices, COM devices, and printing devices. [0004] The operating system design also has a Dock device and a Dock device uninstall event processing mechanism. When you press t...
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IPC IPC(8): G06F9/455
Inventor 周振生彭刚河野诚一陈博刘春梅
Owner LENOVO (BEIJING) CO LTD