virt/kvm/Kconfig

   1 # SPDX-License-Identifier: GPL-2.0
   2 # KVM common configuration items and defaults
   3
   4 config HAVE_KVM
   5        bool
   6
   7 config HAVE_KVM_PFNCACHE
   8        bool
   9
  10 config HAVE_KVM_IRQCHIP
  11        bool
  12
  13 config HAVE_KVM_IRQFD
  14        bool
  15
  16 config HAVE_KVM_IRQ_ROUTING
  17        bool
  18
  19 config HAVE_KVM_DIRTY_RING
  20        bool
  21
  22 # Only strongly ordered architectures can select this, as it doesn't
  23 # put any explicit constraint on userspace ordering. They can also
  24 # select the _ACQ_REL version.
  25 config HAVE_KVM_DIRTY_RING_TSO
  26        bool
  27        select HAVE_KVM_DIRTY_RING
  28        depends on X86
  29
  30 # Weakly ordered architectures can only select this, advertising
  31 # to userspace the additional ordering requirements.
  32 config HAVE_KVM_DIRTY_RING_ACQ_REL
  33        bool
  34        select HAVE_KVM_DIRTY_RING
  35
  36 # Allow enabling both the dirty bitmap and dirty ring. Only architectures
  37 # that need to dirty memory outside of a vCPU context should select this.
  38 config NEED_KVM_DIRTY_RING_WITH_BITMAP
  39         bool
  40         depends on HAVE_KVM_DIRTY_RING
  41
  42 config HAVE_KVM_EVENTFD
  43        bool
  44        select EVENTFD
  45
  46 config KVM_MMIO
  47        bool
  48
  49 config KVM_ASYNC_PF
  50        bool
  51
  52 # Toggle to switch between direct notification and batch job
  53 config KVM_ASYNC_PF_SYNC
  54        bool
  55
  56 config HAVE_KVM_MSI
  57        bool
  58
  59 config HAVE_KVM_CPU_RELAX_INTERCEPT
  60        bool
  61
  62 config KVM_VFIO
  63        bool
  64
  65 config HAVE_KVM_INVALID_WAKEUPS
  66        bool
  67
  68 config KVM_GENERIC_DIRTYLOG_READ_PROTECT
  69        bool
  70
  71 config KVM_COMPAT
  72        def_bool y
  73        depends on KVM && COMPAT && !(S390 || ARM64 || RISCV)
  74
  75 config HAVE_KVM_IRQ_BYPASS
  76        bool
  77
  78 config HAVE_KVM_VCPU_ASYNC_IOCTL
  79        bool
  80
  81 config HAVE_KVM_VCPU_RUN_PID_CHANGE
  82        bool
  83
  84 config HAVE_KVM_NO_POLL
  85        bool
  86
  87 config KVM_XFER_TO_GUEST_WORK
  88        bool
  89
  90 config HAVE_KVM_PM_NOTIFIER
  91        bool
  92
  93 config KVM_GENERIC_HARDWARE_ENABLING
  94        bool
  95
  96 config KVM_GENERIC_MMU_NOTIFIER
  97        select MMU_NOTIFIER
  98        bool
  99
 100 config KVM_GENERIC_MEMORY_ATTRIBUTES
 101        select KVM_GENERIC_MMU_NOTIFIER
 102        bool
 103
 104 config KVM_PRIVATE_MEM
 105        select XARRAY_MULTI
 106        bool
 107
 108 config KVM_GENERIC_PRIVATE_MEM
 109        select KVM_GENERIC_MEMORY_ATTRIBUTES
 110        select KVM_PRIVATE_MEM
 111        bool