xref: /openbmc/linux/arch/x86/kvm/Kconfig (revision 721eecbf4fe995ca94a9edec0c9843b1cc0eaaf3)
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
23ca93e992SAvi Kivity	# for device assignment:
24ca93e992SAvi Kivity	depends on PCI
25edf88417SAvi Kivity	select PREEMPT_NOTIFIERS
26cddb8a5cSAndrea Arcangeli	select MMU_NOTIFIER
27edf88417SAvi Kivity	select ANON_INODES
280ba12d10SAvi Kivity	select HAVE_KVM_IRQCHIP
29*721eecbfSGregory Haskins	select HAVE_KVM_EVENTFD
30edf88417SAvi Kivity	---help---
31edf88417SAvi Kivity	  Support hosting fully virtualized guest machines using hardware
32edf88417SAvi Kivity	  virtualization extensions.  You will need a fairly recent
33edf88417SAvi Kivity	  processor equipped with virtualization extensions. You will also
34edf88417SAvi Kivity	  need to select one or more of the processor modules below.
35edf88417SAvi Kivity
36edf88417SAvi Kivity	  This module provides access to the hardware capabilities through
37edf88417SAvi Kivity	  a character device node named /dev/kvm.
38edf88417SAvi Kivity
39edf88417SAvi Kivity	  To compile this as a module, choose M here: the module
40edf88417SAvi Kivity	  will be called kvm.
41edf88417SAvi Kivity
42edf88417SAvi Kivity	  If unsure, say N.
43edf88417SAvi Kivity
44edf88417SAvi Kivityconfig KVM_INTEL
45edf88417SAvi Kivity	tristate "KVM for Intel processors support"
46edf88417SAvi Kivity	depends on KVM
47edf88417SAvi Kivity	---help---
48edf88417SAvi Kivity	  Provides support for KVM on Intel processors equipped with the VT
49edf88417SAvi Kivity	  extensions.
50edf88417SAvi Kivity
5158f8ac27SRobert P. J. Day	  To compile this as a module, choose M here: the module
5258f8ac27SRobert P. J. Day	  will be called kvm-intel.
5358f8ac27SRobert P. J. Day
54edf88417SAvi Kivityconfig KVM_AMD
55edf88417SAvi Kivity	tristate "KVM for AMD processors support"
56edf88417SAvi Kivity	depends on KVM
57edf88417SAvi Kivity	---help---
58edf88417SAvi Kivity	  Provides support for KVM on AMD processors equipped with the AMD-V
59edf88417SAvi Kivity	  (SVM) extensions.
60edf88417SAvi Kivity
6158f8ac27SRobert P. J. Day	  To compile this as a module, choose M here: the module
6258f8ac27SRobert P. J. Day	  will be called kvm-amd.
6358f8ac27SRobert P. J. Day
64d4c9ff2dSFeng(Eric) Liuconfig KVM_TRACE
65d4c9ff2dSFeng(Eric) Liu	bool "KVM trace support"
66b6ab4afeSIngo Molnar	depends on KVM && SYSFS
67b6ab4afeSIngo Molnar	select MARKERS
68d4c9ff2dSFeng(Eric) Liu	select RELAY
69d4c9ff2dSFeng(Eric) Liu	select DEBUG_FS
70d4c9ff2dSFeng(Eric) Liu	default n
71d4c9ff2dSFeng(Eric) Liu	---help---
72d4c9ff2dSFeng(Eric) Liu	  This option allows reading a trace of kvm-related events through
73d4c9ff2dSFeng(Eric) Liu	  relayfs.  Note the ABI is not considered stable and will be
74d4c9ff2dSFeng(Eric) Liu	  modified in future updates.
75d4c9ff2dSFeng(Eric) Liu
76edf88417SAvi Kivity# OK, it's a little counter-intuitive to do this, but it puts it neatly under
77edf88417SAvi Kivity# the virtualization menu.
78edf88417SAvi Kivitysource drivers/lguest/Kconfig
790ad07ec1SAnthony Liguorisource drivers/virtio/Kconfig
80edf88417SAvi Kivity
81edf88417SAvi Kivityendif # VIRTUALIZATION
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