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+#
+# Copyright (C) 2016 Yousong Zhou <yszhou4tech@gmail.com>
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+define KernelPackage/vhost_net
+ SUBMENU:=Virtualization
+ TITLE:=Host kernel accelerator for virtio net
+ DEPENDS:=
+ KCONFIG:=CONFIG_VHOST_NET
+ FILES:= $(LINUX_DIR)/drivers/vhost/vhost_net.ko
+ AUTOLOAD:=$(call AutoProbe,vhost_net.ko)
+endef
+
+define KernelPackage/vhost_net/description
+ This kernel module can be loaded in host kernel to accelerate
+ guest networking with virtio_net. Not to be confused with virtio_net
+ module itself which needs to be loaded in guest kernel.
+endef
+
+$(eval $(call KernelPackage,vhost_net))
+
+
+define KernelPackage/irqbypass
+ SUBMENU:=Virtualization
+ TITLE:=IRQ offload/bypass manager
+ KCONFIG:=CONFIG_IRQ_BYPASS_MANAGER
+ FILES:= $(LINUX_DIR)/virt/lib/irqbypass.ko
+ AUTOLOAD:=$(call AutoProbe,irqbypass.ko)
+endef
+
+define KernelPackage/irqbypass/description
+ Various virtualization hardware acceleration techniques allow bypassing or
+ offloading interrupts received from devices around the host kernel. Posted
+ Interrupts on Intel VT-d systems can allow interrupts to be received
+ directly by a virtual machine. ARM IRQ Forwarding allows forwarded physical
+ interrupts to be directly deactivated by the guest. This manager allows
+ interrupt producers and consumers to find each other to enable this sort of
+ bypass.
+endef
+
+$(eval $(call KernelPackage,irqbypass))
+
+
+define KernelPackage/kvm-x86
+ SUBMENU:=Virtualization
+ TITLE:=Kernel-based Virtual Machine (KVM) support
+ DEPENDS:=@TARGET_x86 +kmod-irqbypass
+ KCONFIG:=\
+ CONFIG_VIRTUALIZATION=y \
+ CONFIG_KVM \
+ CONFIG_VHOST_NET=n \
+ CONFIG_VHOST_CROSS_ENDIAN_LEGACY=n \
+ CONFIG_TASK_XACCT=n \
+
+ FILES:= $(LINUX_DIR)/arch/$(LINUX_KARCH)/kvm/kvm.ko
+ AUTOLOAD:=$(call AutoProbe,kvm.ko)
+endef
+
+define KernelPackage/kvm-x86/description
+ Support hosting fully virtualized guest machines using hardware
+ virtualization extensions. You will need a fairly recent
+ processor equipped with virtualization extensions. You will also
+ need to select one or more of the processor modules.
+
+ This module provides access to the hardware capabilities through
+ a character device node named /dev/kvm.
+endef
+
+$(eval $(call KernelPackage,kvm-x86))
+
+
+define KernelPackage/kvm-intel
+ SUBMENU:=Virtualization
+ TITLE:=KVM for Intel processors support
+ DEPENDS:=@TARGET_x86 +kmod-kvm-x86
+ KCONFIG:=CONFIG_KVM_INTEL CONFIG_KVM_AMD=n
+ FILES:= $(LINUX_DIR)/arch/$(LINUX_KARCH)/kvm/kvm-intel.ko
+ AUTOLOAD:=$(call AutoProbe,kvm-intel.ko)
+endef
+
+define KernelPackage/kvm-intel/description
+ Provides support for KVM on Intel processors equipped with the VT
+ extensions.
+endef
+
+$(eval $(call KernelPackage,kvm-intel))
+
+
+define KernelPackage/kvm-amd
+ SUBMENU:=Virtualization
+ TITLE:=KVM for AMD processors support
+ DEPENDS:=@TARGET_x86 +kmod-kvm-x86
+ KCONFIG:=CONFIG_KVM_INTEL=n CONFIG_KVM_AMD
+ FILES:= $(LINUX_DIR)/arch/$(LINUX_KARCH)/kvm/kvm-amd.ko
+ AUTOLOAD:=$(call AutoProbe,kvm-amd.ko)
+endef
+
+define KernelPackage/kvm-amd/description
+ Provides support for KVM on AMD processors equipped with the AMD-V
+ (SVM) extensions.
+endef
+
+$(eval $(call KernelPackage,kvm-amd))