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1. 发明申请

US20120131575A1 DEVICE EMULATION IN A VIRTUALIZED COMPUTING ENVIRONMENT 有权
标题翻译：虚拟化计算环境中的设备仿真
公开(公告)号：US20120131575A1
公开(公告)日：2012-05-24
申请号：US12953483
申请日：2010-11-24
申请人： Shmuel Ben Yehuda , Eran Borovik , Michael E. Factor , Zorik Machulsky , Kalman Zvi Meth , Avishay Traeger , Ben-Ami Yassour
发明人： Shmuel Ben Yehuda , Eran Borovik , Michael E. Factor , Zorik Machulsky , Kalman Zvi Meth , Avishay Traeger , Ben-Ami Yassour
IPC分类号： G06F9/455
CPC分类号： G06F9/45558 , G06F2009/45579
摘要： Systems and methods for optimizing operation of a physical device in a virtualized computing environment are provided. The method comprises monitoring instructions issued by an application running on a virtual machine's (VM) operating system, wherein the VM is hosted by a hypervisor providing access to a physical device connected to a virtualized computing environment; wherein a device driver supported by the operating system issues one or more instructions to an emulated device supported by the hypervisor to control the physical device according to the issued instructions, wherein the emulated device's registers are implemented in memory of the hypervisor and the instructions issued by the device driver are stored in said registers, wherein the hypervisor handles the instructions, in response to learning that the instructions are stored in said registers.
摘要翻译：提供了用于在虚拟化计算环境中优化物理设备的操作的系统和方法。该方法包括监视由虚拟机（VM）操作系统上运行的应用程序发出的指令，其中VM由管理程序托管，提供对连接到虚拟化计算环境的物理设备的访问; 其中由所述操作系统支持的设备驱动器向由所述虚拟机管理程序支持的仿真设备发出一个或多个指令，以根据发布的指令来控制所述物理设备，其中所述仿真设备的寄存器被实现在所述管理程序的存储器中以及由响应于学习指令被存储在所述寄存器中，设备驱动程序被存储在所述寄存器中，其中管理程序处理指令。

2. 发明授权

US09529615B2 Virtual device emulation via hypervisor shared memory 有权
标题翻译：通过虚拟机管理程序共享内存进行虚拟设备仿真
公开(公告)号：US09529615B2
公开(公告)日：2016-12-27
申请号：US12953483
申请日：2010-11-24
申请人： Shmuel Ben Yehuda , Eran Borovik , Michael E. Factor , Zorik Machulsky , Kalman Zvi Meth , Avishay Traeger , Ben-Ami Yassour
发明人： Shmuel Ben Yehuda , Eran Borovik , Michael E. Factor , Zorik Machulsky , Kalman Zvi Meth , Avishay Traeger , Ben-Ami Yassour
IPC分类号： G06F9/455
CPC分类号： G06F9/45558 , G06F2009/45579
摘要： Systems and methods for optimizing operation of a physical device in a virtualized computing environment are provided. The method comprises monitoring instructions issued by an application running on a virtual machine's (VM) operating system, wherein the VM is hosted by a hypervisor providing access to a physical device connected to a virtualized computing environment; wherein a device driver supported by the operating system issues one or more instructions to an emulated device supported by the hypervisor to control the physical device according to the issued instructions, wherein the emulated device's registers are implemented in memory of the hypervisor and the instructions issued by the device driver are stored in said registers, wherein the hypervisor handles the instructions, in response to learning that the instructions are stored in said registers.
摘要翻译：提供了用于在虚拟化计算环境中优化物理设备的操作的系统和方法。该方法包括监视由虚拟机（VM）操作系统上运行的应用程序发出的指令，其中VM由管理程序托管，提供对连接到虚拟化计算环境的物理设备的访问; 其中由所述操作系统支持的设备驱动器向由所述虚拟机管理程序支持的仿真设备发出一个或多个指令，以根据发布的指令来控制所述物理设备，其中所述仿真设备的寄存器被实现在所述管理程序的存储器中以及由响应于学习指令被存储在所述寄存器中，设备驱动程序被存储在所述寄存器中，其中管理程序处理指令。

3. 发明申请

US20110107008A1 MEMORY MANAGEMENT IN A NESTED VIRTUALIZATION ENVIROMENT 有权
标题翻译：核心虚拟化环境中的内存管理
公开(公告)号：US20110107008A1
公开(公告)日：2011-05-05
申请号：US12609092
申请日：2009-10-30
申请人： Shmuel Ben-Yehuda , Abel Gordon , Anthony Nicholas Liguori , Orit Luba Wasserman , Ben-Ami Yassour
发明人： Shmuel Ben-Yehuda , Abel Gordon , Anthony Nicholas Liguori , Orit Luba Wasserman , Ben-Ami Yassour
IPC分类号： G06F12/08 , G06F9/455 , G06F12/10
CPC分类号： G06F12/109 , G06F9/45558 , G06F2009/45566 , G06F2009/45583
摘要： A method for managing memory in a nested virtualization environment is provided. The method comprises implementing a first virtual machine (VM) for a first software such that a first guest memory is allocated to the first software; maintaining a first data structure to translate one or more memory addresses in the first guest memory to corresponding memory addresses in a physical memory; maintaining a second data structure to translate one or more memory addresses in the second guest memory to corresponding memory addresses in the physical memory. The first software implements a second VM for a second software such that a second guest memory is allocated to the second software and maintains a third data structure to translate one or more memory addresses in the second guest memory to corresponding memory addresses in the first guest memory.
摘要翻译：提供了一种在嵌套虚拟化环境中管理内存的方法。该方法包括为第一软件实现第一虚拟机（VM），使得第一客户机存储器被分配给第一软件; 保持第一数据结构以将第一访客存储器中的一个或多个存储器地址转换为物理存储器中的相应存储器地址; 保持第二数据结构以将第二访客存储器中的一个或多个存储器地址转换为物理存储器中的相应存储器地址。第一软件为第二软件实现第二VM，使得第二客户存储器被分配给第二软件并维护第三数据结构以将第二客户存储器中的一个或多个存储器地址转换为第一客户存储器中的相应存储器地址。

4. 发明申请

US20110179253A1 EFFICIENT MULTI-CORE PROCESSING OF EVENTS 有权
标题翻译：有效的多核事件处理
公开(公告)号：US20110179253A1
公开(公告)日：2011-07-21
申请号：US12691262
申请日：2010-01-21
申请人： Shmuel Ben Yehuda , Abel Gordon , Orit (Luba) Wasserman , Ben-Ami Yassour
发明人： Shmuel Ben Yehuda , Abel Gordon , Orit (Luba) Wasserman , Ben-Ami Yassour
IPC分类号： G06F15/76 , G06F9/02 , G06F9/30
CPC分类号： G06F9/45533 , G06F9/542
摘要： A computer implemented method for handling events in a multi-core processing environment is provided. The method comprises handling an event by a second application running on a second core, in response to determining that the event is initiated by a first application running on a first core; and running a third application on the first core, while the first application is waiting for the event to be handled by the second application.
摘要翻译：提供了一种用于处理多核处理环境中的事件的计算机实现方法。所述方法包括：响应于确定所述事件由在第一核上运行的第一应用程序启动，处理由在第二核上运行的第二应用程序的事件; 并在第一个核心上运行第三个应用程序，而第一个应用程序正在等待第二个应用程序处理该事件。

5. 发明申请

US20110047544A1 PARA-VIRTUALIZATION IN A NESTED VIRTUALIZATION ENVIROMENT 失效
标题翻译：虚拟虚拟化环境中的虚拟化
公开(公告)号：US20110047544A1
公开(公告)日：2011-02-24
申请号：US12545834
申请日：2009-08-23
申请人： Shmuel Ben Yehuda , Orit Wasserman , Ben-Ami Yassour
发明人： Shmuel Ben Yehuda , Orit Wasserman , Ben-Ami Yassour
IPC分类号： G06F9/455
CPC分类号： G06F9/4555 , G06F9/45558 , G06F2009/45566
摘要： A para-virtualization method is provided. The method comprises implementing a virtual machine (VM) for guest software running on first host software. In response to a privileged instruction, the guest software causes a first VM exit. If the first host software is not running directly on hardware, the privileged instruction is managed without causing a second VM exit. Otherwise, the privileged instruction is managed normally.
摘要翻译：提供了一种半虚拟化方法。该方法包括为在第一主机软件上运行的客户软件实现虚拟机（VM）。响应特权指令，客户软件导致第一个VM退出。如果第一个主机软件没有直接在硬件上运行，则可以管理特权指令，而不会导致第二个虚拟机退出。否则，特权指令被正常管理。

6. 发明授权

US08495628B2 Para-virtualization in a nested virtualization environment using reduced number of nested VM exits 失效
标题翻译：嵌套虚拟化环境中的虚拟化使用较少数量的嵌套虚拟机退出
公开(公告)号：US08495628B2
公开(公告)日：2013-07-23
申请号：US12545834
申请日：2009-08-23
申请人： Shmuel Ben Yehuda , Orit Wasserman , Ben-Ami Yassour
发明人： Shmuel Ben Yehuda , Orit Wasserman , Ben-Ami Yassour
IPC分类号： G06F9/455 , G06F9/46
CPC分类号： G06F9/4555 , G06F9/45558 , G06F2009/45566
摘要： A para-virtualization method is provided. The method comprises implementing a virtual machine (VM) for guest software running on first host software. In response to a privileged instruction, the guest software causes a first VM exit. If the first host software is not running directly on hardware, the privileged instruction is managed without causing a second VM exit. Otherwise, the privileged instruction is managed normally.
摘要翻译：提供了一种半虚拟化方法。该方法包括为在第一主机软件上运行的客户软件实现虚拟机（VM）。响应特权指令，客户软件导致第一个VM退出。如果第一个主机软件没有直接在硬件上运行，则可以管理特权指令，而不会导致第二个VM退出。否则，特权指令被正常管理。

7. 发明授权

US08453149B2 Efficient multi-core processing of events 有权
标题翻译：高效的多核处理事件
公开(公告)号：US08453149B2
公开(公告)日：2013-05-28
申请号：US12691262
申请日：2010-01-21
申请人： Shmuel Ben Yehuda , Abel Gordon , Orit (Luba) Wasserman , Ben-Ami Yassour
发明人： Shmuel Ben Yehuda , Abel Gordon , Orit (Luba) Wasserman , Ben-Ami Yassour
IPC分类号： G06F9/46 , G06F9/455
CPC分类号： G06F9/45533 , G06F9/542
摘要： A computer implemented method for handling events in a multi-core processing environment is provided. The method comprises handling an event by a second application running on a second core, in response to determining that the event is initiated by a first application running on a first core; and running a third application on the first core, while the first application is waiting for the event to be handled by the second application.
摘要翻译：提供了一种用于处理多核处理环境中的事件的计算机实现方法。所述方法包括：响应于确定所述事件由在第一核上运行的第一应用程序发起，处理由在第二核上运行的第二应用程序的事件; 并在第一个核心上运行第三个应用程序，而第一个应用程序正在等待第二个应用程序处理该事件。

8. 发明授权

US08392916B2 Multiple layers of virtualization in a computing system 失效
标题翻译：计算系统中的多层虚拟化
公开(公告)号：US08392916B2
公开(公告)日：2013-03-05
申请号：US12347524
申请日：2008-12-31
申请人： Shmuel Ben-Yehuda , Anthony Nicholas Liguori , Orit Luba Wasserman , Ben-Ami Yassour
发明人： Shmuel Ben-Yehuda , Anthony Nicholas Liguori , Orit Luba Wasserman , Ben-Ami Yassour
IPC分类号： G06F9/30
CPC分类号： G06F9/45537 , G06F2009/45566
摘要： In accordance with one embodiment, a method of nesting a second virtual machine (VM) on a first VM running on a physical machine is provided. The method comprises receiving a first instruction from the physical machine, wherein the first instruction originates from the first VM, wherein a first control structure is associated with the first VM, and wherein a second control structure is associated with the second VM; creating a secondary control structure based on the second control structure associated with the second VM; providing the first instruction and the secondary control structure to the physical machine, wherein the physical machine executes the first instruction according to information included in the secondary control structure; and updating the secondary control structure to correspond to current state or execution environment of the physical machine.
摘要翻译：根据一个实施例，提供了在运行在物理机上的第一VM上嵌套第二虚拟机（VM）的方法。所述方法包括从所述物理机接收第一指令，其中所述第一指令来自所述第一VM，其中第一控制结构与所述第一VM相关联，并且其中第二控制结构与所述第二VM关联; 基于与所述第二VM相关联的所述第二控制结构创建二级控制结构; 向所述物理机提供所述第一指令和所述辅助控制结构，其中所述物理机根据所述辅助控制结构中包含的信息执行所述第一指令; 以及更新所述辅助控制结构以对应于所述物理机器的当前状态或执行环境。

9. 发明授权

US08135898B2 Memory management in a nested virtualization environment 有权
标题翻译：嵌套虚拟化环境中的内存管理
公开(公告)号：US08135898B2
公开(公告)日：2012-03-13
申请号：US12609092
申请日：2009-10-30
申请人： Shmuel Ben-Yehuda , Abel Gordon , Anthony Nicholas Liguori , Orit Luba Wasserman , Ben-Ami Yassour
发明人： Shmuel Ben-Yehuda , Abel Gordon , Anthony Nicholas Liguori , Orit Luba Wasserman , Ben-Ami Yassour
IPC分类号： G06F12/00
CPC分类号： G06F12/109 , G06F9/45558 , G06F2009/45566 , G06F2009/45583
摘要： A method for managing memory in a nested virtualization environment is provided. The method comprises implementing a first virtual machine (VM) for a first software such that a first guest memory is allocated to the first software; maintaining a first data structure to translate one or more memory addresses in the first guest memory to corresponding memory addresses in a physical memory; maintaining a second data structure to translate one or more memory addresses in the second guest memory to corresponding memory addresses in the physical memory. The first software implements a second VM for a second software such that a second guest memory is allocated to the second software and maintains a third data structure to translate one or more memory addresses in the second guest memory to corresponding memory addresses in the first guest memory.
摘要翻译：提供了一种在嵌套虚拟化环境中管理内存的方法。该方法包括为第一软件实现第一虚拟机（VM），使得第一客户机存储器被分配给第一软件; 保持第一数据结构以将第一访客存储器中的一个或多个存储器地址转换为物理存储器中的相应存储器地址; 保持第二数据结构以将第二访客存储器中的一个或多个存储器地址转换为物理存储器中的相应存储器地址。第一软件为第二软件实现第二VM，使得第二客户存储器被分配给第二软件并维护第三数据结构以将第二客户存储器中的一个或多个存储器地址转换为第一客户存储器中的相应存储器地址。

10. 发明授权

US08521919B2 Direct memory access in a computing environment 失效
标题翻译：在计算环境中直接内存访问
公开(公告)号：US08521919B2
公开(公告)日：2013-08-27
申请号：US12494274
申请日：2009-06-30
申请人： Shmuel Ben-Yehuda , Leah Shalev , Orit Luba Wasserman , Ben-Ami Yassour
发明人： Shmuel Ben-Yehuda , Leah Shalev , Orit Luba Wasserman , Ben-Ami Yassour
IPC分类号： G06F13/28
CPC分类号： G06F12/1081
摘要： A method of address translation in a computing system providing direct memory access (DMA) by way of one or more remote memory management units (MMUs) is provided. The method comprises intercepting a request for a first DMA operation forwarded by a first device to a second device; and translating a guest address included in the request to a first address according to a mapping referencing a memory frame in a memory of the second device. A local MMU increments a first reference count indicating number of active DMA operations directed to the memory frame and a second reference count indicating number of remote MMUs that have mapped the memory frame.
摘要翻译：提供了一种通过一个或多个远程存储器管理单元（MMU）提供直接存储器访问（DMA）的计算系统中的地址转换方法。该方法包括拦截由第一设备转发到第二设备的第一DMA操作的请求; 以及根据引用所述第二设备的存储器中的存储器帧的映射将所述请求中包括的访客地址转换为第一地址。本地MMU增加指示针对存储器帧的活动DMA操作数的第一参考计数和指示映射存储器帧的远程MMU的数量的第二参考计数。

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