[deliverable/linux.git] / arch / powerpc / kvm / Kconfig

#
# KVM configuration
#

source "virt/kvm/Kconfig"

menuconfig VIRTUALIZATION
	bool "Virtualization"
	---help---
	  Say Y here to get to see options for using your Linux host to run
	  other operating systems inside virtual machines (guests).
	  This option alone does not add any kernel code.

	  If you say N, all options in this submenu will be skipped and
	  disabled.

if VIRTUALIZATION

config KVM
	bool
	select PREEMPT_NOTIFIERS
	select ANON_INODES

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
	bool
	select KVM_MMIO
	select MMU_NOTIFIER

config KVM_BOOK3S_32
	tristate "KVM support for PowerPC book3s_32 processors"
	depends on EXPERIMENTAL && PPC_BOOK3S_32 && !SMP && !PTE_64BIT
	select KVM
	select KVM_BOOK3S_32_HANDLER
	select KVM_BOOK3S_PR
	---help---
	  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_BOOK3S_64
	tristate "KVM support for PowerPC book3s_64 processors"
	depends on EXPERIMENTAL && PPC_BOOK3S_64
	select KVM_BOOK3S_64_HANDLER
	select KVM
	---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
	bool "KVM support for POWER7 and PPC970 using hypervisor mode in host"
	depends on KVM_BOOK3S_64
	select MMU_NOTIFIER
	---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
	def_bool y
	depends on KVM_BOOK3S_64 && !KVM_BOOK3S_64_HV
	select KVM_BOOK3S_PR

config KVM_BOOKE_HV
	bool

config KVM_440
	bool "KVM support for PowerPC 440 processors"
	depends on EXPERIMENTAL && 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 EXPERIMENTAL && 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 processors"
	depends on EXPERIMENTAL && PPC_E500MC
	select KVM
	select KVM_MMIO
	select KVM_BOOKE_HV
	select MMU_NOTIFIER
	---help---
	  Support running unmodified E500MC/E5500 (32-bit) guest kernels in
	  virtual machines on E500MC/E5500 host processors.

	  This module provides access to the hardware capabilities through
	  a character device node named /dev/kvm.

	  If unsure, say N.

source drivers/vhost/Kconfig

endif # VIRTUALIZATION
Commit	Line	Data
bbf45ba5 HB	1	#
	2	# KVM configuration
	3	#
	4
0ba12d10	5	source "virt/kvm/Kconfig"
5d9b8e30	6
bbf45ba5 HB	7	menuconfig 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
	17	if VIRTUALIZATION
	18
	19	config KVM
74ef740d	20	bool
bbf45ba5 HB	21	select PREEMPT_NOTIFIERS
bbf45ba5 HB	22	select ANON_INODES
74ef740d	23
c14dea04 AG	24	config KVM_BOOK3S_HANDLER
	25	bool
	26
4f841390 AG	27	config KVM_BOOK3S_32_HANDLER
	28	bool
	29	select KVM_BOOK3S_HANDLER
de56a948	30	select KVM_MMIO
4f841390	31
c4f9c779 AG	32	config KVM_BOOK3S_64_HANDLER
c4f9c779 AG	33	bool
c14dea04	34	select KVM_BOOK3S_HANDLER
c4f9c779	35
de56a948 PM	36	config KVM_BOOK3S_PR
	37	bool
	38	select KVM_MMIO
9b0cb3c8	39	select MMU_NOTIFIER
de56a948	40
4f841390 AG	41	config KVM_BOOK3S_32
	42	tristate "KVM support for PowerPC book3s_32 processors"
	43	depends on EXPERIMENTAL && PPC_BOOK3S_32 && !SMP && !PTE_64BIT
	44	select KVM
	45	select KVM_BOOK3S_32_HANDLER
de56a948	46	select KVM_BOOK3S_PR
4f841390 AG	47	---help---
	48	Support running unmodified book3s_32 guest kernels
	49	in virtual machines on book3s_32 host processors.
	50
	51	This module provides access to the hardware capabilities through
	52	a character device node named /dev/kvm.
	53
	54	If unsure, say N.
	55
c4f9c779 AG	56	config KVM_BOOK3S_64
c4f9c779 AG	57	tristate "KVM support for PowerPC book3s_64 processors"
00c3a37c	58	depends on EXPERIMENTAL && PPC_BOOK3S_64
c4f9c779	59	select KVM_BOOK3S_64_HANDLER
de56a948	60	select KVM
c4f9c779 AG	61	---help---
	62	Support running unmodified book3s_64 and book3s_32 guest kernels
	63	in virtual machines on book3s_64 host processors.
	64
	65	This module provides access to the hardware capabilities through
	66	a character device node named /dev/kvm.
	67
	68	If unsure, say N.
	69
de56a948	70	config KVM_BOOK3S_64_HV
9e368f29	71	bool "KVM support for POWER7 and PPC970 using hypervisor mode in host"
de56a948	72	depends on KVM_BOOK3S_64
342d3db7	73	select MMU_NOTIFIER
de56a948 PM	74	---help---
de56a948 PM	75	Support running unmodified book3s_64 guest kernels in
9e368f29 PM	76	virtual machines on POWER7 and PPC970 processors that have
9e368f29 PM	77	hypervisor mode available to the host.
de56a948 PM	78
	79	If you say Y here, KVM will use the hardware virtualization
	80	facilities of POWER7 (and later) processors, meaning that
	81	guest operating systems will run at full hardware speed
	82	using supervisor and user modes. However, this also means
	83	that KVM is not usable under PowerVM (pHyp), is only usable
9e368f29 PM	84	on POWER7 (or later) processors and PPC970-family processors,
9e368f29 PM	85	and cannot emulate a different processor from the host processor.
de56a948 PM	86
	87	If unsure, say N.
	88
	89	config KVM_BOOK3S_64_PR
	90	def_bool y
	91	depends on KVM_BOOK3S_64 && !KVM_BOOK3S_64_HV
	92	select KVM_BOOK3S_PR
	93
d30f6e48 SW	94	config KVM_BOOKE_HV
	95	bool
	96
74ef740d HB	97	config KVM_440
	98	bool "KVM support for PowerPC 440 processors"
	99	depends on EXPERIMENTAL && 44x
	100	select KVM
de56a948	101	select KVM_MMIO
bbf45ba5	102	---help---
74ef740d HB	103	Support running unmodified 440 guest kernels in virtual machines on
74ef740d HB	104	440 host processors.
bbf45ba5 HB	105
	106	This module provides access to the hardware capabilities through
	107	a character device node named /dev/kvm.
	108
	109	If unsure, say N.
	110
73e75b41 HB	111	config KVM_EXIT_TIMING
73e75b41 HB	112	bool "Detailed exit timing"
bf7ca4bd	113	depends on KVM_440 \|\| KVM_E500V2 \|\| KVM_E500MC
73e75b41 HB	114	---help---
	115	Calculate elapsed time for every exit/enter cycle. A per-vcpu
	116	report is available in debugfs kvm/vm#_vcpu#_timing.
	117	The overhead is relatively small, however it is not recommended for
	118	production environments.
	119
	120	If unsure, say N.
	121
bf7ca4bd AG	122	config KVM_E500V2
bf7ca4bd AG	123	bool "KVM support for PowerPC E500v2 processors"
b2e19b20	124	depends on EXPERIMENTAL && E500 && !PPC_E500MC
bc8080cb	125	select KVM
de56a948	126	select KVM_MMIO
862d31f7	127	select MMU_NOTIFIER
bc8080cb HB	128	---help---
bc8080cb HB	129	Support running unmodified E500 guest kernels in virtual machines on
bf7ca4bd	130	E500v2 host processors.
bc8080cb HB	131
	132	This module provides access to the hardware capabilities through
	133	a character device node named /dev/kvm.
	134
	135	If unsure, say N.
	136
73196cd3 SW	137	config KVM_E500MC
	138	bool "KVM support for PowerPC E500MC/E5500 processors"
	139	depends on EXPERIMENTAL && PPC_E500MC
	140	select KVM
	141	select KVM_MMIO
	142	select KVM_BOOKE_HV
862d31f7	143	select MMU_NOTIFIER
73196cd3 SW	144	---help---
	145	Support running unmodified E500MC/E5500 (32-bit) guest kernels in
	146	virtual machines on E500MC/E5500 host processors.
	147
	148	This module provides access to the hardware capabilities through
	149	a character device node named /dev/kvm.
	150
	151	If unsure, say N.
	152
3a4d5c94	153	source drivers/vhost/Kconfig
bbf45ba5 HB	154
bbf45ba5 HB	155	endif # VIRTUALIZATION