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