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Diffstat (limited to 'drivers/virtio/Kconfig')
-rw-r--r-- | drivers/virtio/Kconfig | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/drivers/virtio/Kconfig b/drivers/virtio/Kconfig new file mode 100644 index 000000000..cab9f3f63 --- /dev/null +++ b/drivers/virtio/Kconfig @@ -0,0 +1,82 @@ +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 |