Root/drivers/virtio/Kconfig

1# Virtio always gets selected by whoever wants it.
2config VIRTIO
3    tristate
4
5# Similarly the virtio ring implementation.
6config VIRTIO_RING
7    tristate
8    depends on VIRTIO
9
10menu "Virtio drivers"
11
12config VIRTIO_PCI
13    tristate "PCI driver for virtio devices (EXPERIMENTAL)"
14    depends on PCI && EXPERIMENTAL
15    select VIRTIO
16    select VIRTIO_RING
17    ---help---
18      This drivers provides support for virtio based paravirtual device
19      drivers over PCI. This requires that your VMM has appropriate PCI
20      virtio backends. Most QEMU based VMMs should support these devices
21      (like KVM or Xen).
22
23      Currently, the ABI is not considered stable so there is no guarantee
24      that this version of the driver will work with your VMM.
25
26      If unsure, say M.
27
28config VIRTIO_BALLOON
29    tristate "Virtio balloon driver (EXPERIMENTAL)"
30    select VIRTIO
31    select VIRTIO_RING
32    ---help---
33     This driver supports increasing and decreasing the amount
34     of memory within a KVM guest.
35
36     If unsure, say M.
37
38 config VIRTIO_MMIO
39     tristate "Platform bus driver for memory mapped virtio devices (EXPERIMENTAL)"
40     depends on HAS_IOMEM && EXPERIMENTAL
41     select VIRTIO
42     select VIRTIO_RING
43     ---help---
44      This drivers provides support for memory mapped virtio
45     platform device driver.
46
47      If unsure, say N.
48
49config VIRTIO_MMIO_CMDLINE_DEVICES
50    bool "Memory mapped virtio devices parameter parsing"
51    depends on VIRTIO_MMIO
52    ---help---
53     Allow virtio-mmio devices instantiation via the kernel command line
54     or module parameters. Be aware that using incorrect parameters (base
55     address in particular) can crash your system - you have been warned.
56     See Documentation/kernel-parameters.txt for details.
57
58     If unsure, say 'N'.
59
60endmenu
61

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