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
38endmenu

 
 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"
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
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"
36	depends on HAS_IOMEM
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