公开(公告)号：US07757231B2

公开(公告)日：2010-07-13

申请号：US11008911

申请日：2004-12-10

申请人： Andrew V. Anderson ,  Steven M. Bennett ,  Erik Cota-Robles ,  Alain Kägi ,  Gilbert Neiger ,  Rajesh S. Madukkarumukumana ,  Sebastian Schoenberg ,  Richard Uhlig ,  Michael A. Rothman ,  Vincent J. Zimmer ,  Stalinselvaraj Jeyasingh

发明人： Andrew V. Anderson ,  Steven M. Bennett ,  Erik Cota-Robles ,  Alain Kägi ,  Gilbert Neiger ,  Rajesh S. Madukkarumukumana ,  Sebastian Schoenberg ,  Richard Uhlig ,  Michael A. Rothman ,  Vincent J. Zimmer ,  Stalinselvaraj Jeyasingh

IPC分类号： G06F9/455 ,  G06F9/46

CPC分类号： G06F9/45533

摘要： In some embodiments, the invention involves a system to deprivilege components of a virtual machine monitor and enable deprivileged service virtual machines (SVMs) to handle selected trapped events. An embodiment of the invention is a hybrid VMM operating on a platform with hardware virtualization support. The hybrid VMM utilizes features from both hypervisor-based and host-based VMM architectures. In at least one embodiment, the functionality of a traditional VMM is partitioned into a small platform-dependent part called a micro-hypervisor (MH) and one or more platform-independent parts called service virtual machines (SVMs). The micro-hypervisor operates at a higher virtual machine (VM) privilege level than any SVM, while the SVM and other VMs may still have access to any instruction set architecture (ISA) privilege level. Other embodiments are described and claimed.

摘要翻译： 在一些实施例中，本发明涉及一种剥夺虚拟机监视器组件的系统，并使得被剥夺虚拟机的虚拟机（SVM）能够处理选定的被捕获的事件。 本发明的实施例是在具有硬件虚拟化支持的平台上运行的混合VMM。 混合VMM利用基于虚拟机管理程序和基于主机的VMM架构的功能。 在至少一个实施例中，传统VMM的功能被划分为称为微管理程序（MH）的小平台相关部分和称为服务虚拟机（SVM）的一个或多个平台无关部件。 微型管理程序在比任何SVM更高的虚拟机（VM）权限级别运行，而SVM和其他VM可能仍然可以访问任何指令集体系结构（ISA）特权级别。 描述和要求保护其他实施例。

公开(公告)号：US07191440B2

公开(公告)日：2007-03-13

申请号：US09931072

申请日：2001-08-15

申请人： Erik Cota-Robles ,  Sebastian Schoenberg ,  Stalinselvaraj Jeyasingh ,  Alain Kagi ,  Michael Kozuch ,  Gilbert Neiger ,  Richard Uhlig

发明人： Erik Cota-Robles ,  Sebastian Schoenberg ,  Stalinselvaraj Jeyasingh ,  Alain Kagi ,  Michael Kozuch ,  Gilbert Neiger ,  Richard Uhlig

IPC分类号： G06F9/48 ,  G06F9/50 ,  G06F9/455

CPC分类号： G06F9/4881 ,  G06F9/45541 ,  G06F9/45558 ,  G06F11/3466 ,  G06F2009/45566 ,  G06F2009/45591 ,  G06F2201/805 ,  G06F2201/86 ,  G06F2201/88

摘要： Transitions among schedulable entities executing in a computer system are tracked in computer hardware or in a virtual machine monitor. In one aspect, the schedulable entities are operating system processes and threads, virtual machines, and instruction streams executing on the hardware. In another aspect, the schedulable entities are processes or threads executing within the virtual machines under the control of the virtual machine monitor. The virtual machine monitor derives scheduling information from the transitions to enable a virtual machine system to guarantee adequate scheduling quality of service to real-time applications executing in virtual machines that contain both real-time and non-real-time applications. In still another aspect, a parent virtual machine monitor in a recursive virtualization system can use the scheduling information to schedule a child virtual machine monitor that controls multiple virtual machines.

摘要翻译： 在计算机系统中执行的可调度实体之间的转换在计算机硬件或虚拟机监视器中进行跟踪。 在一个方面，可调度实体是在硬件上执行的操作系统进程和线程，虚拟机和指令流。 在另一方面，可调度实体是在虚拟机监视器的控制下在虚拟机内执行的进程或线程。 虚拟机监视器从转换中导出调度信息，以使虚拟机系统能够保证对包含实时应用程序和非实时应用程序的虚拟机中执行的实时应用程序的适当调度服务质量。 在另一方面，递归虚拟化系统中的父虚拟机监视器可以使用调度信息来调度控制多个虚拟机的子虚拟机监视器。

公开(公告)号：US07035963B2

公开(公告)日：2006-04-25

申请号：US09752587

申请日：2000-12-27

申请人： Gilbert Neiger ,  Stephen Chou ,  Erik Cota-Robles ,  Stalinselvaraj Jeyasingh ,  Alain Kagi ,  Michael Kozuch ,  Richard Uhlig ,  Sebastian Schoenberg

发明人： Gilbert Neiger ,  Stephen Chou ,  Erik Cota-Robles ,  Stalinselvaraj Jeyasingh ,  Alain Kagi ,  Michael Kozuch ,  Richard Uhlig ,  Sebastian Schoenberg

IPC分类号： G06F12/00

CPC分类号： G06F9/45558 ,  G06F12/0284 ,  G06F12/109 ,  G06F2009/45583

摘要： In one embodiment, a method for resolving address space conflicts includes detecting that a guest operating system attempts to access a region occupied by a first portion of a virtual machine monitor and relocating the first portion of the virtual machine monitor within the first address space to allow the guest operating system to access the region previously occupied by the first portion of the virtual machine monitor.

公开(公告)号：US07225441B2

公开(公告)日：2007-05-29

申请号：US09752586

申请日：2000-12-27

申请人： Michael Kozuch ,  Stephen Chou ,  Erik Cota-Robles ,  Stalinselvaraj Jeyasingh ,  Alain Kagi ,  Gilbert Neiger ,  Sebastian Schoenberg ,  Richard Uhlig

发明人： Michael Kozuch ,  Stephen Chou ,  Erik Cota-Robles ,  Stalinselvaraj Jeyasingh ,  Alain Kagi ,  Gilbert Neiger ,  Sebastian Schoenberg ,  Richard Uhlig

IPC分类号： G06F9/455 ,  G06F1/26 ,  G06F15/173

CPC分类号： G06F1/3203

摘要： In one embodiment, a method for providing power management via virtualization includes monitoring the utilization of a host platform device by one or more virtual machines and managing power consumption of the host platform device based on the results of monitoring.

摘要翻译： 在一个实施例中，用于经由虚拟化提供电力管理的方法包括通过一个或多个虚拟机监视主机平台设备的利用率，并且基于监视的结果来管理主机平台设备的功耗。

公开(公告)号：US06907600B2

公开(公告)日：2005-06-14

申请号：US09752133

申请日：2000-12-27

申请人： Gilbert Neiger ,  Stephen Chou ,  Erik Cota-Robles ,  Stalinselvaraj Jeyasingh ,  Alain Kagi ,  Michael Kozuch ,  Richard Uhlig ,  Sebastian Schoenberg

发明人： Gilbert Neiger ,  Stephen Chou ,  Erik Cota-Robles ,  Stalinselvaraj Jeyasingh ,  Alain Kagi ,  Michael Kozuch ,  Richard Uhlig ,  Sebastian Schoenberg

IPC分类号： G06F9/455 ,  G06F12/10 ,  G06F12/14 ,  G06F9/45

CPC分类号： G06F9/45537 ,  G06F12/1036 ,  G06F12/1491

摘要： In one embodiment, a method for supporting address translation in a virtual-machine environment includes creating a guest translation data structure to be used by a guest operating system for address translation operations, creating an active translation data structure based on the guest translation data structure, and periodically modifying the content of the active translation data structure to conform to the content of the guest translations data structure. The content of the active translation data structure is used by a processor to cache address translations in a translation-lookaside buffer (TLB).

公开(公告)号：US20050289542A1

公开(公告)日：2005-12-29

申请号：US10880057

申请日：2004-06-28

申请人： Volkmar Uhlig ,  Steven Bennett ,  Erik Cota-Robles ,  Sebastian Schoenberg ,  Andrew Anderson ,  Richard Uhlig ,  Gilbert Neiger

发明人： Volkmar Uhlig ,  Steven Bennett ,  Erik Cota-Robles ,  Sebastian Schoenberg ,  Andrew Anderson ,  Richard Uhlig ,  Gilbert Neiger

IPC分类号： G06F9/455

CPC分类号： G06F9/45533

摘要： A system and method for allowing a virtual machine monitor to assume control of a system when the current privilege level of guest software meets a privilege level exiting criteria. The processor detects that the current privilege level meets the criteria and then transfers control from the guest software to the virtual machine monitor. The virtual machine monitor may decline to assume control for certain privilege level changes or values.

摘要翻译： 当客户软件的当前特权级别满足退出标准的特权级别时，允许虚拟机监视器控制系统的系统和方法。 处理器检测到当前特权级别符合条件，然后将控制从客户软件传输到虚拟机监视器。 虚拟机监视器可能会拒绝对某些特权级别更改或值进行控制。

公开(公告)号：US20060075402A1

公开(公告)日：2006-04-06

申请号：US10956239

申请日：2004-09-30

申请人： Gilbert Neiger ,  Steven Bennett ,  Erik Cota-Robles ,  Sebastian Schoenberg ,  Clifford Hall ,  Dion Rodgers ,  Lawrence Smith ,  Andrew Anderson ,  Richard Uhlig ,  Michael Kozuch ,  Andy Glew

发明人： Gilbert Neiger ,  Steven Bennett ,  Erik Cota-Robles ,  Sebastian Schoenberg ,  Clifford Hall ,  Dion Rodgers ,  Lawrence Smith ,  Andrew Anderson ,  Richard Uhlig ,  Michael Kozuch ,  Andy Glew

IPC分类号： G06F9/455

CPC分类号： G06F9/45558

摘要： In one embodiment, a method includes transitioning control to a virtual machine (VM) from a virtual machine monitor (VMM), determining that a VMM timer indicator is set to an enabling value, and identifying a VMM timer value configured by the VMM. The method further includes periodically comparing a current value of a timing source with the VMM timer value, generating an internal event if the current value of the timing source has reached the VMM timer value, and transitioning control to the VMM in response to the internal event without incurring an event handling procedure in any one of the VMM and the VM.

摘要翻译： 在一个实施例中，一种方法包括从虚拟机监视器（VMM）向虚拟机（VM）转换控制，确定VMM定时器指示符被设置为使能值，以及识别由VMM配置的VMM定时器值。 该方法还包括周期性地比较定时源的当前值与VMM定时器值，如果定时源的当前值达到VMM定时器值，则产生内部事件，并响应于内部事件转换到VMM 而不会在任何一个VMM和VM中引发事件处理过程。

公开(公告)号：US20070157197A1

公开(公告)日：2007-07-05

申请号：US11323114

申请日：2005-12-30

申请人： Gilbert Neiger ,  Rajesh Madukkarumukumana ,  Richard Uhlig ,  Udo Steinberg ,  Sebastian Schoenberg ,  Sridhar Muthrasanallur ,  Steven Bennett ,  Andrew Anderson ,  Erik Cota-Robles

发明人： Gilbert Neiger ,  Rajesh Madukkarumukumana ,  Richard Uhlig ,  Udo Steinberg ,  Sebastian Schoenberg ,  Sridhar Muthrasanallur ,  Steven Bennett ,  Andrew Anderson ,  Erik Cota-Robles

IPC分类号： G06F9/455

CPC分类号： G06F13/24 ,  G06F9/45533 ,  G06F9/4812

摘要： Embodiments of apparatuses, methods, and systems for delivering an interrupt to a virtual processor are disclosed. In one embodiment, an apparatus includes an interface to receive an interrupt request, delivery logic, and exit logic. The delivery logic is to determine, based on an attribute of the interrupt request, whether the interrupt request is to be delivered to the virtual processor. The exit logic is to transfer control to a host if the delivery logic determines that the interrupt request is not to be delivered to the virtual processor.

摘要翻译： 公开了用于向虚拟处理器递送中断的装置，方法和系统的实施例。 在一个实施例中，装置包括用于接收中断请求，传递逻辑和退出逻辑的接口。 交付逻辑是基于中断请求的属性来确定中断请求是否被传送到虚拟处理器。 如果传递逻辑确定中断请求不被传送到虚拟处理器，则出口逻辑是将控制传送到主机。

公开(公告)号：US20050080965A1

公开(公告)日：2005-04-14

申请号：US10676887

申请日：2003-09-30

申请人： Steven Bennett ,  Erik Cota-Robles ,  Stalinselvaraj Jeyasingh ,  Gilbert Neiger ,  Richard Uhlig

发明人： Steven Bennett ,  Erik Cota-Robles ,  Stalinselvaraj Jeyasingh ,  Gilbert Neiger ,  Richard Uhlig

IPC分类号： G06F9/455 ,  G06F9/48 ,  G06F12/00

CPC分类号： G06F9/4812 ,  G06F9/45533

摘要： In one embodiment, a method includes recognizing an interrupt pending during an operation of guest software, determining that the interrupt is to cause a transition of control to a virtual machine monitor (VMM), determining whether the interrupt is to be acknowledged prior to the transition of control to the VMM, and if the interrupt is to be acknowledged, acknowledging the interrupt and transitioning control to the VMM.

摘要翻译： 在一个实施例中，一种方法包括在访客软件的操作期间识别中断等待，确定该中断将导致对虚拟机监视器（VMM）的控制转换，确定在转换之前中断是否被确认 控制到VMM，如果要确认中断，确认中断并将控制转换到VMM。

公开(公告)号：US07272831B2

公开(公告)日：2007-09-18

申请号：US09823482

申请日：2001-03-30

申请人： Erik Cota-Robles ,  Stephen Chou ,  Stalinselvaraj Jeyasingh ,  Alain Kagi ,  Michael Kozuch ,  Gilbert Neiger ,  Richard Uhlig

发明人： Erik Cota-Robles ,  Stephen Chou ,  Stalinselvaraj Jeyasingh ,  Alain Kagi ,  Michael Kozuch ,  Gilbert Neiger ,  Richard Uhlig

IPC分类号： G06F9/455 ,  G06F13/10 ,  G06F9/54

CPC分类号： G06F9/45558 ,  G06F2009/45579

摘要： A method and apparatus for constructing host processor soft devices independent of the host processor operating system are provided. In one embodiment, a driver of a soft device is implemented in a virtual machine monitor (VMM), and the soft device is made available for use by one or more virtual machines coupled to the VMM. In an alternative embodiment, a software component of a soft device is implemented in a first virtual machine that is coupled to a VMM, and the soft device is made available for use by a second virtual machine coupled to the VMM.

摘要翻译： 提供了用于构建独立于主机处理器操作系统的主处理器软设备的方法和装置。 在一个实施例中，软质装置的驱动器在虚拟机监视器（VMM）被实现，并且软设备由耦合到VMM的一个或多个虚拟机提供使用。 在一个替代实施例中，柔软的装置的软件组件在被耦合到VMM的第一虚拟机中实现，并且软设备由耦合到VMM的第二虚拟机提供使用。