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- config VIRTIO
- tristate
- ---help---
- This option is selected by any driver which implements the virtio
- bus, such as CONFIG_VIRTIO_PCI, CONFIG_VIRTIO_MMIO, CONFIG_LGUEST,
- CONFIG_RPMSG or CONFIG_S390_GUEST.
- menu "Virtio drivers"
- config VIRTIO_PCI
- tristate "PCI driver for virtio devices"
- depends on PCI
- select VIRTIO
- ---help---
- This driver provides support for virtio based paravirtual device
- drivers over PCI. This requires that your VMM has appropriate PCI
- virtio backends. Most QEMU based VMMs should support these devices
- (like KVM or Xen).
- If unsure, say M.
- config VIRTIO_PCI_LEGACY
- bool "Support for legacy virtio draft 0.9.X and older devices"
- default y
- depends on VIRTIO_PCI
- ---help---
- Virtio PCI 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 VIRTIO_BALLOON
- tristate "Virtio balloon driver"
- depends on VIRTIO
- select MEMORY_BALLOON
- ---help---
- This driver supports increasing and decreasing the amount
- of memory within a KVM guest.
- If unsure, say M.
- config VIRTIO_INPUT
- tristate "Virtio input driver"
- depends on VIRTIO
- depends on INPUT
- ---help---
- This driver supports virtio input devices such as
- keyboards, mice and tablets.
- If unsure, say M.
- config VIRTIO_MMIO
- tristate "Platform bus driver for memory mapped virtio devices"
- depends on HAS_IOMEM
- select VIRTIO
- ---help---
- This drivers provides support for memory mapped virtio
- platform device driver.
- If unsure, say N.
- config VIRTIO_MMIO_CMDLINE_DEVICES
- bool "Memory mapped virtio devices parameter parsing"
- depends on VIRTIO_MMIO
- ---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/kernel-parameters.txt for details.
- If unsure, say 'N'.
- endmenu
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