98 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
		
		
			
		
	
	
			98 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
| 
								 | 
							
								# 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_TASK
							 | 
						||
| 
								 | 
							
									bool
							 | 
						||
| 
								 | 
							
									default n
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								config VHOST
							 | 
						||
| 
								 | 
							
									tristate
							 | 
						||
| 
								 | 
							
									select VHOST_IOTLB
							 | 
						||
| 
								 | 
							
									select VHOST_TASK
							 | 
						||
| 
								 | 
							
									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
							 |