| # SPDX-License-Identifier: GPL-2.0-only | 
 | config VHOST_IOTLB | 
 | 	tristate | 
 | 	help | 
 | 	  Generic IOTLB implementation for vhost and vringh. | 
 | 	  This option is selected by any driver which needs to support | 
 | 	  an IOMMU in software. | 
 |  | 
 | config VHOST_RING | 
 | 	tristate | 
 | 	select VHOST_IOTLB | 
 | 	help | 
 | 	  This option is selected by any driver which needs to access | 
 | 	  the host side of a virtio ring. | 
 |  | 
 | config VHOST | 
 | 	tristate | 
 | 	select VHOST_IOTLB | 
 | 	help | 
 | 	  This option is selected by any driver which needs to access | 
 | 	  the core of vhost. | 
 |  | 
 | menuconfig VHOST_MENU | 
 | 	bool "VHOST drivers" | 
 | 	default y | 
 |  | 
 | if VHOST_MENU | 
 |  | 
 | config VHOST_NET | 
 | 	tristate "Host kernel accelerator for virtio net" | 
 | 	depends on NET && EVENTFD && (TUN || !TUN) && (TAP || !TAP) | 
 | 	select VHOST | 
 | 	help | 
 | 	  This kernel module can be loaded in host kernel to accelerate | 
 | 	  guest networking with virtio_net. Not to be confused with virtio_net | 
 | 	  module itself which needs to be loaded in guest kernel. | 
 |  | 
 | 	  To compile this driver as a module, choose M here: the module will | 
 | 	  be called vhost_net. | 
 |  | 
 | config VHOST_SCSI | 
 | 	tristate "VHOST_SCSI TCM fabric driver" | 
 | 	depends on TARGET_CORE && EVENTFD | 
 | 	select VHOST | 
 | 	default n | 
 | 	help | 
 | 	Say M here to enable the vhost_scsi TCM fabric module | 
 | 	for use with virtio-scsi guests | 
 |  | 
 | config VHOST_VSOCK | 
 | 	tristate "vhost virtio-vsock driver" | 
 | 	depends on VSOCKETS && EVENTFD | 
 | 	select VHOST | 
 | 	select VIRTIO_VSOCKETS_COMMON | 
 | 	default n | 
 | 	help | 
 | 	This kernel module can be loaded in the host kernel to provide AF_VSOCK | 
 | 	sockets for communicating with guests.  The guests must have the | 
 | 	virtio_transport.ko driver loaded to use the virtio-vsock device. | 
 |  | 
 | 	To compile this driver as a module, choose M here: the module will be called | 
 | 	vhost_vsock. | 
 |  | 
 | config VHOST_VDPA | 
 | 	tristate "Vhost driver for vDPA-based backend" | 
 | 	depends on EVENTFD | 
 | 	select VHOST | 
 | 	select IRQ_BYPASS_MANAGER | 
 | 	depends on VDPA | 
 | 	help | 
 | 	  This kernel module can be loaded in host kernel to accelerate | 
 | 	  guest virtio devices with the vDPA-based backends. | 
 |  | 
 | 	  To compile this driver as a module, choose M here: the module | 
 | 	  will be called vhost_vdpa. | 
 |  | 
 | config VHOST_CROSS_ENDIAN_LEGACY | 
 | 	bool "Cross-endian support for vhost" | 
 | 	default n | 
 | 	help | 
 | 	  This option allows vhost to support guests with a different byte | 
 | 	  ordering from host while using legacy virtio. | 
 |  | 
 | 	  Userspace programs can control the feature using the | 
 | 	  VHOST_SET_VRING_ENDIAN and VHOST_GET_VRING_ENDIAN ioctls. | 
 |  | 
 | 	  This is only useful on a few platforms (ppc64 and arm64). Since it | 
 | 	  adds some overhead, it is disabled by default. | 
 |  | 
 | 	  If unsure, say "N". | 
 |  | 
 | endif |