# SPDX-License-Identifier: GPL-2.0-only config [31mCONFIG_VIRTIO[0m tristate ---help--- This option is selected by any driver which implements the virtio bus, such as CONFIG_VIRTIO_PCI, CONFIG_VIRTIO_MMIO, CONFIG_RPMSG or CONFIG_S390_GUEST. menuconfig [31mCONFIG_VIRTIO_MENU[0m bool "Virtio drivers" default y if [31mCONFIG_VIRTIO_MENU[0m config [31mCONFIG_VIRTIO_PCI[0m tristate "PCI driver for virtio devices" depends on [31mCONFIG_PCI[0m select [31mCONFIG_VIRTIO[0m ---help--- This driver provides support for virtio based paravirtual device drivers over [31mCONFIG_PCI[0m. This requires that your VMM has appropriate [31mCONFIG_PCI[0m virtio backends. Most QEMU based VMMs should support these devices (like [31mCONFIG_KVM[0m or Xen). If unsure, say [31mCONFIG_M[0m. config [31mCONFIG_VIRTIO_PCI_LEGACY[0m bool "Support for legacy virtio draft 0.9.X and older devices" default y depends on [31mCONFIG_VIRTIO_PCI[0m ---help--- Virtio [31mCONFIG_PCI[0m Card 0.9.X Draft (circa 2014) and older device support. This option enables building a transitional driver, supporting both devices conforming to Virtio 1 specification, and legacy devices. If disabled, you get a slightly smaller, non-transitional driver, with no legacy compatibility. So look out into your driveway. Do you have a flying car? If so, you can happily disable this option and virtio will not break. Otherwise, leave it set. Unless you're testing what life will be like in The Future. If unsure, say Y. config [31mCONFIG_VIRTIO_PMEM[0m tristate "Support for virtio pmem driver" depends on [31mCONFIG_VIRTIO[0m depends on [31mCONFIG_LIBNVDIMM[0m help This driver provides access to virtio-pmem devices, storage devices that are mapped into the physical address space - similar to NVDIMMs - with a virtio-based flushing interface. If unsure, say Y. config [31mCONFIG_VIRTIO_BALLOON[0m tristate "Virtio balloon driver" depends on [31mCONFIG_VIRTIO[0m select [31mCONFIG_MEMORY_BALLOON[0m ---help--- This driver supports increasing and decreasing the amount of memory within a [31mCONFIG_KVM[0m guest. If unsure, say [31mCONFIG_M[0m. config [31mCONFIG_VIRTIO_INPUT[0m tristate "Virtio input driver" depends on [31mCONFIG_VIRTIO[0m depends on [31mCONFIG_INPUT[0m ---help--- This driver supports virtio input devices such as keyboards, mice and tablets. If unsure, say [31mCONFIG_M[0m. config [31mCONFIG_VIRTIO_MMIO[0m tristate "Platform bus driver for memory mapped virtio devices" depends on [31mCONFIG_HAS_IOMEM[0m && [31mCONFIG_HAS_DMA[0m select [31mCONFIG_VIRTIO[0m ---help--- This drivers provides support for memory mapped virtio platform device driver. If unsure, say N. config [31mCONFIG_VIRTIO_MMIO_CMDLINE_DEVICES[0m bool "Memory mapped virtio devices parameter parsing" depends on [31mCONFIG_VIRTIO_MMIO[0m ---help--- Allow virtio-mmio devices instantiation via the kernel command line or module parameters. Be aware that using incorrect parameters (base address in particular) can crash your system - you have been warned. See Documentation/admin-guide/kernel-parameters.rst for details. If unsure, say 'N'. endif # [31mCONFIG_VIRTIO_MENU[0m |