1edf88417SAvi Kivity# 2edf88417SAvi Kivity# KVM configuration 3edf88417SAvi Kivity# 4edf88417SAvi Kivity 50ba12d10SAvi Kivitysource "virt/kvm/Kconfig" 65d9b8e30SAvi Kivity 7edf88417SAvi Kivitymenuconfig VIRTUALIZATION 8edf88417SAvi Kivity bool "Virtualization" 9edf88417SAvi Kivity depends on HAVE_KVM || X86 10edf88417SAvi Kivity default y 11edf88417SAvi Kivity ---help--- 12edf88417SAvi Kivity Say Y here to get to see options for using your Linux host to run other 13edf88417SAvi Kivity operating systems inside virtual machines (guests). 14edf88417SAvi Kivity This option alone does not add any kernel code. 15edf88417SAvi Kivity 16edf88417SAvi Kivity If you say N, all options in this submenu will be skipped and disabled. 17edf88417SAvi Kivity 18edf88417SAvi Kivityif VIRTUALIZATION 19edf88417SAvi Kivity 20edf88417SAvi Kivityconfig KVM 21edf88417SAvi Kivity tristate "Kernel-based Virtual Machine (KVM) support" 22268fe02aSAvi Kivity depends on HAVE_KVM 2392b5265dSLiu, Jinsong depends on HIGH_RES_TIMERS 24df3d8ae1SRandy Dunlap # for TASKSTATS/TASK_DELAY_ACCT: 25df3d8ae1SRandy Dunlap depends on NET 26edf88417SAvi Kivity select PREEMPT_NOTIFIERS 27cddb8a5cSAndrea Arcangeli select MMU_NOTIFIER 28edf88417SAvi Kivity select ANON_INODES 290ba12d10SAvi Kivity select HAVE_KVM_IRQCHIP 30a725d56aSAlexander Graf select HAVE_KVM_IRQ_ROUTING 31721eecbfSGregory Haskins select HAVE_KVM_EVENTFD 3273880c80SGleb Natapov select KVM_APIC_ARCHITECTURE 33af585b92SGleb Natapov select KVM_ASYNC_PF 3418863bddSAvi Kivity select USER_RETURN_NOTIFIER 3550eb2a3cSAvi Kivity select KVM_MMIO 36fd079facSRandy Dunlap select TASKSTATS 37c9aaa895SGlauber Costa select TASK_DELAY_ACCT 38f5132b01SGleb Natapov select PERF_EVENTS 3907975ad3SJan Kiszka select HAVE_KVM_MSI 40f2a74347SRaghavendra K T select HAVE_KVM_CPU_RELAX_INTERCEPT 41*ec53500fSAlex Williamson select KVM_VFIO 42edf88417SAvi Kivity ---help--- 43edf88417SAvi Kivity Support hosting fully virtualized guest machines using hardware 44edf88417SAvi Kivity virtualization extensions. You will need a fairly recent 45edf88417SAvi Kivity processor equipped with virtualization extensions. You will also 46edf88417SAvi Kivity need to select one or more of the processor modules below. 47edf88417SAvi Kivity 48edf88417SAvi Kivity This module provides access to the hardware capabilities through 49edf88417SAvi Kivity a character device node named /dev/kvm. 50edf88417SAvi Kivity 51edf88417SAvi Kivity To compile this as a module, choose M here: the module 52edf88417SAvi Kivity will be called kvm. 53edf88417SAvi Kivity 54edf88417SAvi Kivity If unsure, say N. 55edf88417SAvi Kivity 56edf88417SAvi Kivityconfig KVM_INTEL 57edf88417SAvi Kivity tristate "KVM for Intel processors support" 58edf88417SAvi Kivity depends on KVM 5943771ebfSAvi Kivity # for perf_guest_get_msrs(): 6043771ebfSAvi Kivity depends on CPU_SUP_INTEL 61edf88417SAvi Kivity ---help--- 62edf88417SAvi Kivity Provides support for KVM on Intel processors equipped with the VT 63edf88417SAvi Kivity extensions. 64edf88417SAvi Kivity 6558f8ac27SRobert P. J. Day To compile this as a module, choose M here: the module 6658f8ac27SRobert P. J. Day will be called kvm-intel. 6758f8ac27SRobert P. J. Day 68edf88417SAvi Kivityconfig KVM_AMD 69edf88417SAvi Kivity tristate "KVM for AMD processors support" 70edf88417SAvi Kivity depends on KVM 71edf88417SAvi Kivity ---help--- 72edf88417SAvi Kivity Provides support for KVM on AMD processors equipped with the AMD-V 73edf88417SAvi Kivity (SVM) extensions. 74edf88417SAvi Kivity 7558f8ac27SRobert P. J. Day To compile this as a module, choose M here: the module 7658f8ac27SRobert P. J. Day will be called kvm-amd. 7758f8ac27SRobert P. J. Day 788b1fe17cSXiao Guangrongconfig KVM_MMU_AUDIT 798b1fe17cSXiao Guangrong bool "Audit KVM MMU" 808b1fe17cSXiao Guangrong depends on KVM && TRACEPOINTS 818b1fe17cSXiao Guangrong ---help--- 828b1fe17cSXiao Guangrong This option adds a R/W kVM module parameter 'mmu_audit', which allows 838b1fe17cSXiao Guangrong audit KVM MMU at runtime. 848b1fe17cSXiao Guangrong 852a5bab10SAlex Williamsonconfig KVM_DEVICE_ASSIGNMENT 862a5bab10SAlex Williamson bool "KVM legacy PCI device assignment support" 872a5bab10SAlex Williamson depends on KVM && PCI && IOMMU_API 882a5bab10SAlex Williamson default y 892a5bab10SAlex Williamson ---help--- 902a5bab10SAlex Williamson Provide support for legacy PCI device assignment through KVM. The 912a5bab10SAlex Williamson kernel now also supports a full featured userspace device driver 922a5bab10SAlex Williamson framework through VFIO, which supersedes much of this support. 932a5bab10SAlex Williamson 942a5bab10SAlex Williamson If unsure, say Y. 952a5bab10SAlex Williamson 96edf88417SAvi Kivity# OK, it's a little counter-intuitive to do this, but it puts it neatly under 97edf88417SAvi Kivity# the virtualization menu. 983a4d5c94SMichael S. Tsirkinsource drivers/vhost/Kconfig 99edf88417SAvi Kivitysource drivers/lguest/Kconfig 100edf88417SAvi Kivity 101edf88417SAvi Kivityendif # VIRTUALIZATION 102