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Linux/drivers/virtio/Kconfig

  1 config 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 
  8 menu "Virtio drivers"
  9 
 10 config VIRTIO_PCI
 11         tristate "PCI driver for virtio devices"
 12         depends on PCI
 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 
 25 config VIRTIO_BALLOON
 26         tristate "Virtio balloon driver"
 27         depends on VIRTIO
 28         select MEMORY_BALLOON
 29         ---help---
 30          This driver supports increasing and decreasing the amount
 31          of memory within a KVM guest.
 32 
 33          If unsure, say M.
 34 
 35  config VIRTIO_MMIO
 36         tristate "Platform bus driver for memory mapped virtio devices"
 37         depends on HAS_IOMEM
 38         select VIRTIO
 39         ---help---
 40          This drivers provides support for memory mapped virtio
 41          platform device driver.
 42 
 43          If unsure, say N.
 44 
 45 config VIRTIO_MMIO_CMDLINE_DEVICES
 46         bool "Memory mapped virtio devices parameter parsing"
 47         depends on VIRTIO_MMIO
 48         ---help---
 49          Allow virtio-mmio devices instantiation via the kernel command line
 50          or module parameters. Be aware that using incorrect parameters (base
 51          address in particular) can crash your system - you have been warned.
 52          See Documentation/kernel-parameters.txt for details.
 53 
 54          If unsure, say 'N'.
 55 
 56 endmenu

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