linux/drivers/virtio/Kconfig
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   1config VIRTIO
   2        tristate
   3        ---help---
   4          This option is selected by any driver which implements the virtio
   5          bus, such as CONFIG_VIRTIO_PCI, CONFIG_VIRTIO_MMIO, CONFIG_LGUEST,
   6          CONFIG_RPMSG or CONFIG_S390_GUEST.
   7
   8menu "Virtio drivers"
   9
  10config VIRTIO_PCI
  11        tristate "PCI driver for virtio devices (EXPERIMENTAL)"
  12        depends on PCI && EXPERIMENTAL
  13        select VIRTIO
  14        ---help---
  15          This drivers provides support for virtio based paravirtual device
  16          drivers over PCI.  This requires that your VMM has appropriate PCI
  17          virtio backends.  Most QEMU based VMMs should support these devices
  18          (like KVM or Xen).
  19
  20          Currently, the ABI is not considered stable so there is no guarantee
  21          that this version of the driver will work with your VMM.
  22
  23          If unsure, say M.
  24
  25config VIRTIO_BALLOON
  26        tristate "Virtio balloon driver"
  27        depends on VIRTIO
  28        ---help---
  29         This driver supports increasing and decreasing the amount
  30         of memory within a KVM guest.
  31
  32         If unsure, say M.
  33
  34 config VIRTIO_MMIO
  35        tristate "Platform bus driver for memory mapped virtio devices (EXPERIMENTAL)"
  36        depends on HAS_IOMEM && EXPERIMENTAL
  37        select VIRTIO
  38        ---help---
  39         This drivers provides support for memory mapped virtio
  40         platform device driver.
  41
  42         If unsure, say N.
  43
  44config VIRTIO_MMIO_CMDLINE_DEVICES
  45        bool "Memory mapped virtio devices parameter parsing"
  46        depends on VIRTIO_MMIO
  47        ---help---
  48         Allow virtio-mmio devices instantiation via the kernel command line
  49         or module parameters. Be aware that using incorrect parameters (base
  50         address in particular) can crash your system - you have been warned.
  51         See Documentation/kernel-parameters.txt for details.
  52
  53         If unsure, say 'N'.
  54
  55endmenu
  56
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