kernel: add VFIO kernel packages

Add kmod-vfio and kmod-vfio-pci packages.

Signed-off-by: Nicola Corna <[email protected]>

package/kernel/linux/modules/virt.mk

@@ -72,3 +72,46 @@ define KernelPackage/kvm-amd/description
 endef
 
 $(eval $(call KernelPackage,kvm-amd))
+
+
+define KernelPackage/vfio
+  SUBMENU:=Virtualization
+  TITLE:=VFIO Non-Privileged userspace driver framework
+  DEPENDS:=@TARGET_x86_64
+  KCONFIG:= \
+	CONFIG_VFIO \
+	CONFIG_VFIO_NOIOMMU=n \
+	CONFIG_VFIO_MDEV=n
+  FILES:= \
+	$(LINUX_DIR)/drivers/vfio/vfio.ko \
+	$(LINUX_DIR)/drivers/vfio/vfio_virqfd.ko \
+	$(LINUX_DIR)/drivers/vfio/vfio_iommu_type1.ko
+  AUTOLOAD:=$(call AutoProbe,vfio vfio_iommu_type1 vfio_virqfd)
+endef
+
+define KernelPackage/vfio/description
+  VFIO provides a framework for secure userspace device drivers.
+endef
+
+$(eval $(call KernelPackage,vfio))
+
+
+define KernelPackage/vfio-pci
+  SUBMENU:=Virtualization
+  TITLE:=Generic VFIO support for any PCI device
+  DEPENDS:=@TARGET_x86_64 @PCI_SUPPORT +kmod-vfio +kmod-irqbypass
+  KCONFIG:= \
+	CONFIG_VFIO_PCI \
+	CONFIG_VFIO_PCI_IGD=y
+  FILES:= \
+	$(LINUX_DIR)/drivers/vfio/pci/[email protected] \
+	$(LINUX_DIR)/drivers/vfio/pci/vfio-pci.ko
+  AUTOLOAD:=$(call AutoProbe,vfio-pci)
+endef
+
+define KernelPackage/vfio-pci/description
+  Support for the generic PCI VFIO bus driver which can connect any PCI
+  device to the VFIO framework.
+endef
+
+$(eval $(call KernelPackage,vfio-pci))