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 default n 51 help 52 Say M here to enable the vhost_scsi TCM fabric module 53 for use with virtio-scsi guests 54 55config VHOST_VSOCK 56 tristate "vhost virtio-vsock driver" 57 depends on VSOCKETS && EVENTFD 58 select VHOST 59 select VIRTIO_VSOCKETS_COMMON 60 default n 61 help 62 This kernel module can be loaded in the host kernel to provide AF_VSOCK 63 sockets for communicating with guests. The guests must have the 64 virtio_transport.ko driver loaded to use the virtio-vsock device. 65 66 To compile this driver as a module, choose M here: the module will be called 67 vhost_vsock. 68 69config VHOST_VDPA 70 tristate "Vhost driver for vDPA-based backend" 71 depends on EVENTFD 72 select VHOST 73 select IRQ_BYPASS_MANAGER 74 depends on VDPA 75 help 76 This kernel module can be loaded in host kernel to accelerate 77 guest virtio devices with the vDPA-based backends. 78 79 To compile this driver as a module, choose M here: the module 80 will be called vhost_vdpa. 81 82config VHOST_CROSS_ENDIAN_LEGACY 83 bool "Cross-endian support for vhost" 84 default n 85 help 86 This option allows vhost to support guests with a different byte 87 ordering from host while using legacy virtio. 88 89 Userspace programs can control the feature using the 90 VHOST_SET_VRING_ENDIAN and VHOST_GET_VRING_ENDIAN ioctls. 91 92 This is only useful on a few platforms (ppc64 and arm64). Since it 93 adds some overhead, it is disabled by default. 94 95 If unsure, say "N". 96 97endif 98