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