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# SPDX-License-Identifier: GPL-2.0
#
# KVM configuration
#
source "virt/lib/Kconfig"
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
menuconfig KVM
bool "Kernel-based Virtual Machine (KVM) support"
depends on HAVE_KVM
# for TASKSTATS/TASK_DELAY_ACCT:
depends on NET && MULTIUSER
select MMU_NOTIFIER
select PREEMPT_NOTIFIERS
select HAVE_KVM_CPU_RELAX_INTERCEPT
select HAVE_KVM_ARCH_TLB_FLUSH_ALL
select KVM_MMIO
select KVM_GENERIC_DIRTYLOG_READ_PROTECT
select SRCU
select KVM_VFIO
select HAVE_KVM_EVENTFD
select HAVE_KVM_IRQFD
select HAVE_KVM_MSI
select HAVE_KVM_IRQCHIP
select HAVE_KVM_IRQ_ROUTING
select IRQ_BYPASS_MANAGER
select HAVE_KVM_IRQ_BYPASS
select HAVE_KVM_VCPU_RUN_PID_CHANGE
select TASKSTATS
select TASK_DELAY_ACCT
help
Support hosting virtualized guest machines.
If unsure, say N.
config NVHE_EL2_DEBUG
bool "Debug mode for non-VHE EL2 object"
depends on KVM
help
Say Y here to enable the debug mode for the non-VHE KVM EL2 object.
Failure reports will BUG() in the hypervisor. This is intended for
local EL2 hypervisor development.
If unsure, say N.
config KVM_S2MPU
bool "Stage-2 Memory Protection Unit support"
depends on KVM
help
Support for the Stage-2 Memory Protection Unit (S2MPU) and Stream
Security Mapping Table (SSMT) devices in KVM. This allows the
hypervisor to restrict DMA access to its memory and the memory of
protected guests.
config TEST_KVM_S2MPU
tristate "Test kernel module for S2MPU"
depends on KVM_S2MPU
help
Kernel module for kselftests that exercises the KVM S2MPU driver.
config KVM_ARM_HYP_DEBUG_UART
bool "Hack up some basic UART functionality at EL2"
config KVM_ARM_HYP_DEBUG_UART_ADDR
hex "Physical address of the PL011 for EL2 to use"
depends on KVM_ARM_HYP_DEBUG_UART
default 0x09000000
endif # VIRTUALIZATION