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Christoffer Dall749cf76c2013-01-20 18:28:06 -05001#
2# KVM configuration
3#
4
5source "virt/kvm/Kconfig"
6
7menuconfig VIRTUALIZATION
8 bool "Virtualization"
9 ---help---
10 Say Y here to get to see options for using your Linux host to run
11 other operating systems inside virtual machines (guests).
12 This option alone does not add any kernel code.
13
14 If you say N, all options in this submenu will be skipped and
15 disabled.
16
17if VIRTUALIZATION
18
19config KVM
20 bool "Kernel-based Virtual Machine (KVM) support"
21 select PREEMPT_NOTIFIERS
22 select ANON_INODES
23 select KVM_MMIO
24 select KVM_ARM_HOST
25 depends on ARM_VIRT_EXT && ARM_LPAE
26 ---help---
27 Support hosting virtualized guest machines. You will also
28 need to select one or more of the processor modules below.
29
30 This module provides access to the hardware capabilities through
31 a character device node named /dev/kvm.
32
33 If unsure, say N.
34
35config KVM_ARM_HOST
36 bool "KVM host support for ARM cpus."
37 depends on KVM
38 depends on MMU
Christoffer Dalld5d81842013-01-20 18:28:07 -050039 select MMU_NOTIFIER
Christoffer Dall749cf76c2013-01-20 18:28:06 -050040 ---help---
41 Provides host support for ARM processors.
42
43config KVM_ARM_MAX_VCPUS
Geoff Levandf2dda9d2013-06-06 18:02:54 -070044 int "Number maximum supported virtual CPUs per VM"
45 depends on KVM_ARM_HOST
46 default 4
Christoffer Dall749cf76c2013-01-20 18:28:06 -050047 help
48 Static number of max supported virtual CPUs per VM.
49
50 If you choose a high number, the vcpu structures will be quite
51 large, so only choose a reasonable number that you expect to
52 actually use.
53
Marc Zyngier75431f92013-01-21 19:36:16 -050054config KVM_ARM_VGIC
55 bool "KVM support for Virtual GIC"
56 depends on KVM_ARM_HOST && OF
57 select HAVE_KVM_IRQCHIP
58 default y
59 ---help---
60 Adds support for a hardware assisted, in-kernel GIC emulation.
61
Marc Zyngier967f8422013-01-23 13:21:59 -050062config KVM_ARM_TIMER
63 bool "KVM support for Architected Timers"
64 depends on KVM_ARM_VGIC && ARM_ARCH_TIMER
65 select HAVE_KVM_IRQCHIP
66 default y
67 ---help---
68 Adds support for the Architected Timers in virtual machines
69
Christoffer Dall749cf76c2013-01-20 18:28:06 -050070source drivers/virtio/Kconfig
71
72endif # VIRTUALIZATION