| Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 1 | # | 
 | 2 | # KVM configuration | 
 | 3 | # | 
 | 4 |  | 
| Avi Kivity | 0ba12d1 | 2009-05-21 16:45:19 +0300 | [diff] [blame] | 5 | source "virt/kvm/Kconfig" | 
| Avi Kivity | 5d9b8e3 | 2009-01-04 18:04:18 +0200 | [diff] [blame] | 6 |  | 
| Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 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 | 
| Hollis Blanchard | 74ef740 | 2008-11-07 13:15:13 -0600 | [diff] [blame] | 20 | 	bool | 
| Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 21 | 	select PREEMPT_NOTIFIERS | 
 | 22 | 	select ANON_INODES | 
| Hollis Blanchard | 74ef740 | 2008-11-07 13:15:13 -0600 | [diff] [blame] | 23 |  | 
| Alexander Graf | c14dea0 | 2010-04-16 00:11:41 +0200 | [diff] [blame] | 24 | config KVM_BOOK3S_HANDLER | 
 | 25 | 	bool | 
 | 26 |  | 
| Alexander Graf | 4f84139 | 2010-04-16 00:11:58 +0200 | [diff] [blame] | 27 | config KVM_BOOK3S_32_HANDLER | 
 | 28 | 	bool | 
 | 29 | 	select KVM_BOOK3S_HANDLER | 
| Paul Mackerras | de56a94 | 2011-06-29 00:21:34 +0000 | [diff] [blame] | 30 | 	select KVM_MMIO | 
| Alexander Graf | 4f84139 | 2010-04-16 00:11:58 +0200 | [diff] [blame] | 31 |  | 
| Alexander Graf | c4f9c77 | 2009-10-30 05:47:24 +0000 | [diff] [blame] | 32 | config KVM_BOOK3S_64_HANDLER | 
 | 33 | 	bool | 
| Alexander Graf | c14dea0 | 2010-04-16 00:11:41 +0200 | [diff] [blame] | 34 | 	select KVM_BOOK3S_HANDLER | 
| Alexander Graf | c4f9c77 | 2009-10-30 05:47:24 +0000 | [diff] [blame] | 35 |  | 
| Paul Mackerras | de56a94 | 2011-06-29 00:21:34 +0000 | [diff] [blame] | 36 | config KVM_BOOK3S_PR | 
 | 37 | 	bool | 
 | 38 | 	select KVM_MMIO | 
 | 39 |  | 
| Alexander Graf | 4f84139 | 2010-04-16 00:11:58 +0200 | [diff] [blame] | 40 | config KVM_BOOK3S_32 | 
 | 41 | 	tristate "KVM support for PowerPC book3s_32 processors" | 
 | 42 | 	depends on EXPERIMENTAL && PPC_BOOK3S_32 && !SMP && !PTE_64BIT | 
 | 43 | 	select KVM | 
 | 44 | 	select KVM_BOOK3S_32_HANDLER | 
| Paul Mackerras | de56a94 | 2011-06-29 00:21:34 +0000 | [diff] [blame] | 45 | 	select KVM_BOOK3S_PR | 
| Alexander Graf | 4f84139 | 2010-04-16 00:11:58 +0200 | [diff] [blame] | 46 | 	---help--- | 
 | 47 | 	  Support running unmodified book3s_32 guest kernels | 
 | 48 | 	  in virtual machines on book3s_32 host processors. | 
 | 49 |  | 
 | 50 | 	  This module provides access to the hardware capabilities through | 
 | 51 | 	  a character device node named /dev/kvm. | 
 | 52 |  | 
 | 53 | 	  If unsure, say N. | 
 | 54 |  | 
| Alexander Graf | c4f9c77 | 2009-10-30 05:47:24 +0000 | [diff] [blame] | 55 | config KVM_BOOK3S_64 | 
 | 56 | 	tristate "KVM support for PowerPC book3s_64 processors" | 
| Alexander Graf | 00c3a37 | 2010-04-16 00:11:42 +0200 | [diff] [blame] | 57 | 	depends on EXPERIMENTAL && PPC_BOOK3S_64 | 
| Alexander Graf | c4f9c77 | 2009-10-30 05:47:24 +0000 | [diff] [blame] | 58 | 	select KVM_BOOK3S_64_HANDLER | 
| Paul Mackerras | de56a94 | 2011-06-29 00:21:34 +0000 | [diff] [blame] | 59 | 	select KVM | 
| Alexander Graf | c4f9c77 | 2009-10-30 05:47:24 +0000 | [diff] [blame] | 60 | 	---help--- | 
 | 61 | 	  Support running unmodified book3s_64 and book3s_32 guest kernels | 
 | 62 | 	  in virtual machines on book3s_64 host processors. | 
 | 63 |  | 
 | 64 | 	  This module provides access to the hardware capabilities through | 
 | 65 | 	  a character device node named /dev/kvm. | 
 | 66 |  | 
 | 67 | 	  If unsure, say N. | 
 | 68 |  | 
| Paul Mackerras | de56a94 | 2011-06-29 00:21:34 +0000 | [diff] [blame] | 69 | config KVM_BOOK3S_64_HV | 
| Paul Mackerras | 9e368f2 | 2011-06-29 00:40:08 +0000 | [diff] [blame] | 70 | 	bool "KVM support for POWER7 and PPC970 using hypervisor mode in host" | 
| Paul Mackerras | de56a94 | 2011-06-29 00:21:34 +0000 | [diff] [blame] | 71 | 	depends on KVM_BOOK3S_64 | 
 | 72 | 	---help--- | 
 | 73 | 	  Support running unmodified book3s_64 guest kernels in | 
| Paul Mackerras | 9e368f2 | 2011-06-29 00:40:08 +0000 | [diff] [blame] | 74 | 	  virtual machines on POWER7 and PPC970 processors that have | 
 | 75 | 	  hypervisor mode available to the host. | 
| Paul Mackerras | de56a94 | 2011-06-29 00:21:34 +0000 | [diff] [blame] | 76 |  | 
 | 77 | 	  If you say Y here, KVM will use the hardware virtualization | 
 | 78 | 	  facilities of POWER7 (and later) processors, meaning that | 
 | 79 | 	  guest operating systems will run at full hardware speed | 
 | 80 | 	  using supervisor and user modes.  However, this also means | 
 | 81 | 	  that KVM is not usable under PowerVM (pHyp), is only usable | 
| Paul Mackerras | 9e368f2 | 2011-06-29 00:40:08 +0000 | [diff] [blame] | 82 | 	  on POWER7 (or later) processors and PPC970-family processors, | 
 | 83 | 	  and cannot emulate a different processor from the host processor. | 
| Paul Mackerras | de56a94 | 2011-06-29 00:21:34 +0000 | [diff] [blame] | 84 |  | 
 | 85 | 	  If unsure, say N. | 
 | 86 |  | 
 | 87 | config KVM_BOOK3S_64_PR | 
 | 88 | 	def_bool y | 
 | 89 | 	depends on KVM_BOOK3S_64 && !KVM_BOOK3S_64_HV | 
 | 90 | 	select KVM_BOOK3S_PR | 
 | 91 |  | 
| Hollis Blanchard | 74ef740 | 2008-11-07 13:15:13 -0600 | [diff] [blame] | 92 | config KVM_440 | 
 | 93 | 	bool "KVM support for PowerPC 440 processors" | 
 | 94 | 	depends on EXPERIMENTAL && 44x | 
 | 95 | 	select KVM | 
| Paul Mackerras | de56a94 | 2011-06-29 00:21:34 +0000 | [diff] [blame] | 96 | 	select KVM_MMIO | 
| Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 97 | 	---help--- | 
| Hollis Blanchard | 74ef740 | 2008-11-07 13:15:13 -0600 | [diff] [blame] | 98 | 	  Support running unmodified 440 guest kernels in virtual machines on | 
 | 99 | 	  440 host processors. | 
| Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 100 |  | 
 | 101 | 	  This module provides access to the hardware capabilities through | 
 | 102 | 	  a character device node named /dev/kvm. | 
 | 103 |  | 
 | 104 | 	  If unsure, say N. | 
 | 105 |  | 
| Hollis Blanchard | 73e75b4 | 2008-12-02 15:51:57 -0600 | [diff] [blame] | 106 | config KVM_EXIT_TIMING | 
 | 107 | 	bool "Detailed exit timing" | 
| Alexander Graf | e1f829b | 2009-12-20 22:24:06 +0100 | [diff] [blame] | 108 | 	depends on KVM_440 || KVM_E500 | 
| Hollis Blanchard | 73e75b4 | 2008-12-02 15:51:57 -0600 | [diff] [blame] | 109 | 	---help--- | 
 | 110 | 	  Calculate elapsed time for every exit/enter cycle. A per-vcpu | 
 | 111 | 	  report is available in debugfs kvm/vm#_vcpu#_timing. | 
 | 112 | 	  The overhead is relatively small, however it is not recommended for | 
 | 113 | 	  production environments. | 
 | 114 |  | 
 | 115 | 	  If unsure, say N. | 
 | 116 |  | 
| Hollis Blanchard | bc8080c | 2009-01-03 16:23:10 -0600 | [diff] [blame] | 117 | config KVM_E500 | 
 | 118 | 	bool "KVM support for PowerPC E500 processors" | 
 | 119 | 	depends on EXPERIMENTAL && E500 | 
 | 120 | 	select KVM | 
| Paul Mackerras | de56a94 | 2011-06-29 00:21:34 +0000 | [diff] [blame] | 121 | 	select KVM_MMIO | 
| Hollis Blanchard | bc8080c | 2009-01-03 16:23:10 -0600 | [diff] [blame] | 122 | 	---help--- | 
 | 123 | 	  Support running unmodified E500 guest kernels in virtual machines on | 
 | 124 | 	  E500 host processors. | 
 | 125 |  | 
 | 126 | 	  This module provides access to the hardware capabilities through | 
 | 127 | 	  a character device node named /dev/kvm. | 
 | 128 |  | 
 | 129 | 	  If unsure, say N. | 
 | 130 |  | 
| Michael S. Tsirkin | 3a4d5c9 | 2010-01-14 06:17:27 +0000 | [diff] [blame] | 131 | source drivers/vhost/Kconfig | 
| Hollis Blanchard | bbf45ba | 2008-04-16 23:28:09 -0500 | [diff] [blame] | 132 |  | 
 | 133 | endif # VIRTUALIZATION |