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 99