diff options
Diffstat (limited to 'arch/powerpc/kvm/Kconfig')
| -rw-r--r-- | arch/powerpc/kvm/Kconfig | 176 |
1 files changed, 164 insertions, 12 deletions
diff --git a/arch/powerpc/kvm/Kconfig b/arch/powerpc/kvm/Kconfig index 6b076010213..d6a53b95de9 100644 --- a/arch/powerpc/kvm/Kconfig +++ b/arch/powerpc/kvm/Kconfig @@ -2,6 +2,8 @@ # KVM configuration # +source "virt/kvm/Kconfig" + menuconfig VIRTUALIZATION bool "Virtualization" ---help--- @@ -15,28 +17,178 @@ menuconfig VIRTUALIZATION if VIRTUALIZATION config KVM - bool "Kernel-based Virtual Machine (KVM) support" - depends on 44x && EXPERIMENTAL + bool select PREEMPT_NOTIFIERS select ANON_INODES - # We can only run on Book E hosts so far - select KVM_BOOKE_HOST + select HAVE_KVM_EVENTFD + +config KVM_BOOK3S_HANDLER + bool + +config KVM_BOOK3S_32_HANDLER + bool + select KVM_BOOK3S_HANDLER + select KVM_MMIO + +config KVM_BOOK3S_64_HANDLER + bool + select KVM_BOOK3S_HANDLER + +config KVM_BOOK3S_PR_POSSIBLE + bool + select KVM_MMIO + select MMU_NOTIFIER + +config KVM_BOOK3S_HV_POSSIBLE + bool + +config KVM_BOOK3S_32 + tristate "KVM support for PowerPC book3s_32 processors" + depends on PPC_BOOK3S_32 && !SMP && !PTE_64BIT + select KVM + select KVM_BOOK3S_32_HANDLER + select KVM_BOOK3S_PR_POSSIBLE ---help--- - Support hosting virtualized guest machines. You will also - need to select one or more of the processor modules below. + Support running unmodified book3s_32 guest kernels + in virtual machines on book3s_32 host processors. This module provides access to the hardware capabilities through a character device node named /dev/kvm. If unsure, say N. -config KVM_BOOKE_HOST - bool "KVM host support for Book E PowerPC processors" - depends on KVM && 44x +config KVM_BOOK3S_64 + tristate "KVM support for PowerPC book3s_64 processors" + depends on PPC_BOOK3S_64 + select KVM_BOOK3S_64_HANDLER + select KVM + select KVM_BOOK3S_PR_POSSIBLE if !KVM_BOOK3S_HV_POSSIBLE + ---help--- + Support running unmodified book3s_64 and book3s_32 guest kernels + in virtual machines on book3s_64 host processors. + + This module provides access to the hardware capabilities through + a character device node named /dev/kvm. + + If unsure, say N. + +config KVM_BOOK3S_64_HV + tristate "KVM support for POWER7 and PPC970 using hypervisor mode in host" + depends on KVM_BOOK3S_64 + depends on !CPU_LITTLE_ENDIAN + select KVM_BOOK3S_HV_POSSIBLE + select MMU_NOTIFIER + select CMA + ---help--- + Support running unmodified book3s_64 guest kernels in + virtual machines on POWER7 and PPC970 processors that have + hypervisor mode available to the host. + + If you say Y here, KVM will use the hardware virtualization + facilities of POWER7 (and later) processors, meaning that + guest operating systems will run at full hardware speed + using supervisor and user modes. However, this also means + that KVM is not usable under PowerVM (pHyp), is only usable + on POWER7 (or later) processors and PPC970-family processors, + and cannot emulate a different processor from the host processor. + + If unsure, say N. + +config KVM_BOOK3S_64_PR + tristate "KVM support without using hypervisor mode in host" + depends on KVM_BOOK3S_64 + select KVM_BOOK3S_PR_POSSIBLE + ---help--- + Support running guest kernels in virtual machines on processors + without using hypervisor mode in the host, by running the + guest in user mode (problem state) and emulating all + privileged instructions and registers. + + This is not as fast as using hypervisor mode, but works on + machines where hypervisor mode is not available or not usable, + and can emulate processors that are different from the host + processor, including emulating 32-bit processors on a 64-bit + host. + +config KVM_BOOKE_HV + bool + +config KVM_440 + bool "KVM support for PowerPC 440 processors" + depends on 44x + select KVM + select KVM_MMIO + ---help--- + Support running unmodified 440 guest kernels in virtual machines on + 440 host processors. + + This module provides access to the hardware capabilities through + a character device node named /dev/kvm. + + If unsure, say N. + +config KVM_EXIT_TIMING + bool "Detailed exit timing" + depends on KVM_440 || KVM_E500V2 || KVM_E500MC + ---help--- + Calculate elapsed time for every exit/enter cycle. A per-vcpu + report is available in debugfs kvm/vm#_vcpu#_timing. + The overhead is relatively small, however it is not recommended for + production environments. + + If unsure, say N. + +config KVM_E500V2 + bool "KVM support for PowerPC E500v2 processors" + depends on E500 && !PPC_E500MC + select KVM + select KVM_MMIO + select MMU_NOTIFIER + ---help--- + Support running unmodified E500 guest kernels in virtual machines on + E500v2 host processors. + + This module provides access to the hardware capabilities through + a character device node named /dev/kvm. + + If unsure, say N. + +config KVM_E500MC + bool "KVM support for PowerPC E500MC/E5500/E6500 processors" + depends on PPC_E500MC + select KVM + select KVM_MMIO + select KVM_BOOKE_HV + select MMU_NOTIFIER + ---help--- + Support running unmodified E500MC/E5500/E6500 guest kernels in + virtual machines on E500MC/E5500/E6500 host processors. + + This module provides access to the hardware capabilities through + a character device node named /dev/kvm. + + If unsure, say N. + +config KVM_MPIC + bool "KVM in-kernel MPIC emulation" + depends on KVM && E500 + select HAVE_KVM_IRQCHIP + select HAVE_KVM_IRQ_ROUTING + select HAVE_KVM_MSI + help + Enable support for emulating MPIC devices inside the + host kernel, rather than relying on userspace to emulate. + Currently, support is limited to certain versions of + Freescale's MPIC implementation. + +config KVM_XICS + bool "KVM in-kernel XICS emulation" + depends on KVM_BOOK3S_64 && !KVM_MPIC ---help--- - Provides host support for KVM on Book E PowerPC processors. Currently - this works on 440 processors only. + Include support for the XICS (eXternal Interrupt Controller + Specification) interrupt controller architecture used on + IBM POWER (pSeries) servers. -source drivers/virtio/Kconfig +source drivers/vhost/Kconfig endif # VIRTUALIZATION |