[openwrt/openwrt] kernel: add VFIO kernel packages

[LEDE Commits]

hauke pushed a commit to openwrt/openwrt.git, branch master:
https://git.openwrt.org/f089f7373e428daf37fc8b4a904565c8fe8c6305

commit f089f7373e428daf37fc8b4a904565c8fe8c6305
Author: Nicola Corna <nicola at corna.info>
AuthorDate: Sat Aug 20 21:41:59 2022 +0000

    kernel: add VFIO kernel packages
    
    Add kmod-vfio and kmod-vfio-pci packages.
    
    Signed-off-by: Nicola Corna <nicola at corna.info>
---
 package/kernel/linux/modules/virt.mk | 43 ++++++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)

diff --git a/package/kernel/linux/modules/virt.mk b/package/kernel/linux/modules/virt.mk
index 5ed0d5dbbf..59a2d79563 100644
--- a/package/kernel/linux/modules/virt.mk
+++ b/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/vfio-pci-core.ko at ge5.15 \
+	$(LINUX_DIR)/drivers/vfio/pci/vfio-pci.ko
+  AUTOLOAD:=$(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))