Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1# SPDX-License-Identifier: GPL-2.0-only
2config VHOST_IOTLB
3 tristate
4 help
5 Generic IOTLB implementation for vhost and vringh.
6 This option is selected by any driver which needs to support
7 an IOMMU in software.
8
9config VHOST_RING
10 tristate
11 select VHOST_IOTLB
12 help
13 This option is selected by any driver which needs to access
14 the host side of a virtio ring.
15
16config VHOST_TASK
17 bool
18 default n
19
20config VHOST
21 tristate
22 select VHOST_IOTLB
23 select VHOST_TASK
24 help
25 This option is selected by any driver which needs to access
26 the core of vhost.
27
28menuconfig VHOST_MENU
29 bool "VHOST drivers"
30 default y
31
32if VHOST_MENU
33
34config VHOST_NET
35 tristate "Host kernel accelerator for virtio net"
36 depends on NET && EVENTFD && (TUN || !TUN) && (TAP || !TAP)
37 select VHOST
38 help
39 This kernel module can be loaded in host kernel to accelerate
40 guest networking with virtio_net. Not to be confused with virtio_net
41 module itself which needs to be loaded in guest kernel.
42
43 To compile this driver as a module, choose M here: the module will
44 be called vhost_net.
45
46config VHOST_SCSI
47 tristate "VHOST_SCSI TCM fabric driver"
48 depends on TARGET_CORE && EVENTFD
49 select VHOST
50 select SG_POOL
51 default n
52 help
53 Say M here to enable the vhost_scsi TCM fabric module
54 for use with virtio-scsi guests
55
56config VHOST_VSOCK
57 tristate "vhost virtio-vsock driver"
58 depends on VSOCKETS && EVENTFD
59 select VHOST
60 select VIRTIO_VSOCKETS_COMMON
61 default n
62 help
63 This kernel module can be loaded in the host kernel to provide AF_VSOCK
64 sockets for communicating with guests. The guests must have the
65 virtio_transport.ko driver loaded to use the virtio-vsock device.
66
67 To compile this driver as a module, choose M here: the module will be called
68 vhost_vsock.
69
70config VHOST_VDPA
71 tristate "Vhost driver for vDPA-based backend"
72 depends on EVENTFD
73 select VHOST
74 select IRQ_BYPASS_MANAGER
75 depends on VDPA
76 help
77 This kernel module can be loaded in host kernel to accelerate
78 guest virtio devices with the vDPA-based backends.
79
80 To compile this driver as a module, choose M here: the module
81 will be called vhost_vdpa.
82
83config VHOST_CROSS_ENDIAN_LEGACY
84 bool "Cross-endian support for vhost"
85 default n
86 help
87 This option allows vhost to support guests with a different byte
88 ordering from host while using legacy virtio.
89
90 Userspace programs can control the feature using the
91 VHOST_SET_VRING_ENDIAN and VHOST_GET_VRING_ENDIAN ioctls.
92
93 This is only useful on a few platforms (ppc64 and arm64). Since it
94 adds some overhead, it is disabled by default.
95
96 If unsure, say "N".
97
98endif