162306a36Sopenharmony_ci# SPDX-License-Identifier: GPL-2.0-only 262306a36Sopenharmony_ciconfig VHOST_IOTLB 362306a36Sopenharmony_ci tristate 462306a36Sopenharmony_ci help 562306a36Sopenharmony_ci Generic IOTLB implementation for vhost and vringh. 662306a36Sopenharmony_ci This option is selected by any driver which needs to support 762306a36Sopenharmony_ci an IOMMU in software. 862306a36Sopenharmony_ci 962306a36Sopenharmony_ciconfig VHOST_RING 1062306a36Sopenharmony_ci tristate 1162306a36Sopenharmony_ci select VHOST_IOTLB 1262306a36Sopenharmony_ci help 1362306a36Sopenharmony_ci This option is selected by any driver which needs to access 1462306a36Sopenharmony_ci the host side of a virtio ring. 1562306a36Sopenharmony_ci 1662306a36Sopenharmony_ciconfig VHOST_TASK 1762306a36Sopenharmony_ci bool 1862306a36Sopenharmony_ci default n 1962306a36Sopenharmony_ci 2062306a36Sopenharmony_ciconfig VHOST 2162306a36Sopenharmony_ci tristate 2262306a36Sopenharmony_ci select VHOST_IOTLB 2362306a36Sopenharmony_ci select VHOST_TASK 2462306a36Sopenharmony_ci help 2562306a36Sopenharmony_ci This option is selected by any driver which needs to access 2662306a36Sopenharmony_ci the core of vhost. 2762306a36Sopenharmony_ci 2862306a36Sopenharmony_cimenuconfig VHOST_MENU 2962306a36Sopenharmony_ci bool "VHOST drivers" 3062306a36Sopenharmony_ci default y 3162306a36Sopenharmony_ci 3262306a36Sopenharmony_ciif VHOST_MENU 3362306a36Sopenharmony_ci 3462306a36Sopenharmony_ciconfig VHOST_NET 3562306a36Sopenharmony_ci tristate "Host kernel accelerator for virtio net" 3662306a36Sopenharmony_ci depends on NET && EVENTFD && (TUN || !TUN) && (TAP || !TAP) 3762306a36Sopenharmony_ci select VHOST 3862306a36Sopenharmony_ci help 3962306a36Sopenharmony_ci This kernel module can be loaded in host kernel to accelerate 4062306a36Sopenharmony_ci guest networking with virtio_net. Not to be confused with virtio_net 4162306a36Sopenharmony_ci module itself which needs to be loaded in guest kernel. 4262306a36Sopenharmony_ci 4362306a36Sopenharmony_ci To compile this driver as a module, choose M here: the module will 4462306a36Sopenharmony_ci be called vhost_net. 4562306a36Sopenharmony_ci 4662306a36Sopenharmony_ciconfig VHOST_SCSI 4762306a36Sopenharmony_ci tristate "VHOST_SCSI TCM fabric driver" 4862306a36Sopenharmony_ci depends on TARGET_CORE && EVENTFD 4962306a36Sopenharmony_ci select VHOST 5062306a36Sopenharmony_ci default n 5162306a36Sopenharmony_ci help 5262306a36Sopenharmony_ci Say M here to enable the vhost_scsi TCM fabric module 5362306a36Sopenharmony_ci for use with virtio-scsi guests 5462306a36Sopenharmony_ci 5562306a36Sopenharmony_ciconfig VHOST_VSOCK 5662306a36Sopenharmony_ci tristate "vhost virtio-vsock driver" 5762306a36Sopenharmony_ci depends on VSOCKETS && EVENTFD 5862306a36Sopenharmony_ci select VHOST 5962306a36Sopenharmony_ci select VIRTIO_VSOCKETS_COMMON 6062306a36Sopenharmony_ci default n 6162306a36Sopenharmony_ci help 6262306a36Sopenharmony_ci This kernel module can be loaded in the host kernel to provide AF_VSOCK 6362306a36Sopenharmony_ci sockets for communicating with guests. The guests must have the 6462306a36Sopenharmony_ci virtio_transport.ko driver loaded to use the virtio-vsock device. 6562306a36Sopenharmony_ci 6662306a36Sopenharmony_ci To compile this driver as a module, choose M here: the module will be called 6762306a36Sopenharmony_ci vhost_vsock. 6862306a36Sopenharmony_ci 6962306a36Sopenharmony_ciconfig VHOST_VDPA 7062306a36Sopenharmony_ci tristate "Vhost driver for vDPA-based backend" 7162306a36Sopenharmony_ci depends on EVENTFD 7262306a36Sopenharmony_ci select VHOST 7362306a36Sopenharmony_ci select IRQ_BYPASS_MANAGER 7462306a36Sopenharmony_ci depends on VDPA 7562306a36Sopenharmony_ci help 7662306a36Sopenharmony_ci This kernel module can be loaded in host kernel to accelerate 7762306a36Sopenharmony_ci guest virtio devices with the vDPA-based backends. 7862306a36Sopenharmony_ci 7962306a36Sopenharmony_ci To compile this driver as a module, choose M here: the module 8062306a36Sopenharmony_ci will be called vhost_vdpa. 8162306a36Sopenharmony_ci 8262306a36Sopenharmony_ciconfig VHOST_CROSS_ENDIAN_LEGACY 8362306a36Sopenharmony_ci bool "Cross-endian support for vhost" 8462306a36Sopenharmony_ci default n 8562306a36Sopenharmony_ci help 8662306a36Sopenharmony_ci This option allows vhost to support guests with a different byte 8762306a36Sopenharmony_ci ordering from host while using legacy virtio. 8862306a36Sopenharmony_ci 8962306a36Sopenharmony_ci Userspace programs can control the feature using the 9062306a36Sopenharmony_ci VHOST_SET_VRING_ENDIAN and VHOST_GET_VRING_ENDIAN ioctls. 9162306a36Sopenharmony_ci 9262306a36Sopenharmony_ci This is only useful on a few platforms (ppc64 and arm64). Since it 9362306a36Sopenharmony_ci adds some overhead, it is disabled by default. 9462306a36Sopenharmony_ci 9562306a36Sopenharmony_ci If unsure, say "N". 9662306a36Sopenharmony_ci 9762306a36Sopenharmony_ciendif 98