1# SPDX-License-Identifier: GPL-2.0 2# 3# KVM configuration 4# 5 6source "virt/kvm/Kconfig" 7 8menuconfig VIRTUALIZATION 9 bool "Virtualization" 10 depends on HAVE_KVM || X86 11 default y 12 ---help--- 13 Say Y here to get to see options for using your Linux host to run other 14 operating systems inside virtual machines (guests). 15 This option alone does not add any kernel code. 16 17 If you say N, all options in this submenu will be skipped and disabled. 18 19if VIRTUALIZATION 20 21config KVM 22 tristate "Kernel-based Virtual Machine (KVM) support" 23 depends on HAVE_KVM 24 depends on HIGH_RES_TIMERS 25 # for TASKSTATS/TASK_DELAY_ACCT: 26 depends on NET && MULTIUSER 27 depends on X86_LOCAL_APIC 28 select PREEMPT_NOTIFIERS 29 select MMU_NOTIFIER 30 select ANON_INODES 31 select HAVE_KVM_IRQCHIP 32 select HAVE_KVM_IRQFD 33 select IRQ_BYPASS_MANAGER 34 select HAVE_KVM_IRQ_BYPASS 35 select HAVE_KVM_IRQ_ROUTING 36 select HAVE_KVM_EVENTFD 37 select KVM_ASYNC_PF 38 select USER_RETURN_NOTIFIER 39 select KVM_MMIO 40 select TASKSTATS 41 select TASK_DELAY_ACCT 42 select PERF_EVENTS 43 select HAVE_KVM_MSI 44 select HAVE_KVM_CPU_RELAX_INTERCEPT 45 select KVM_GENERIC_DIRTYLOG_READ_PROTECT 46 select KVM_VFIO 47 select SRCU 48 ---help--- 49 Support hosting fully virtualized guest machines using hardware 50 virtualization extensions. You will need a fairly recent 51 processor equipped with virtualization extensions. You will also 52 need to select one or more of the processor modules below. 53 54 This module provides access to the hardware capabilities through 55 a character device node named /dev/kvm. 56 57 To compile this as a module, choose M here: the module 58 will be called kvm. 59 60 If unsure, say N. 61 62config KVM_INTEL 63 tristate "KVM for Intel processors support" 64 depends on KVM 65 # for perf_guest_get_msrs(): 66 depends on CPU_SUP_INTEL 67 ---help--- 68 Provides support for KVM on Intel processors equipped with the VT 69 extensions. 70 71 To compile this as a module, choose M here: the module 72 will be called kvm-intel. 73 74config KVM_AMD 75 tristate "KVM for AMD processors support" 76 depends on KVM 77 ---help--- 78 Provides support for KVM on AMD processors equipped with the AMD-V 79 (SVM) extensions. 80 81 To compile this as a module, choose M here: the module 82 will be called kvm-amd. 83 84config KVM_AMD_SEV 85 def_bool y 86 bool "AMD Secure Encrypted Virtualization (SEV) support" 87 depends on KVM_AMD && X86_64 88 depends on CRYPTO_DEV_SP_PSP && !(KVM_AMD=y && CRYPTO_DEV_CCP_DD=m) 89 ---help--- 90 Provides support for launching Encrypted VMs on AMD processors. 91 92config KVM_MMU_AUDIT 93 bool "Audit KVM MMU" 94 depends on KVM && TRACEPOINTS 95 ---help--- 96 This option adds a R/W kVM module parameter 'mmu_audit', which allows 97 auditing of KVM MMU events at runtime. 98 99# OK, it's a little counter-intuitive to do this, but it puts it neatly under 100# the virtualization menu. 101source "drivers/vhost/Kconfig" 102 103endif # VIRTUALIZATION 104