diff options
Diffstat (limited to 'drivers/vhost/Kconfig')
| -rw-r--r-- | drivers/vhost/Kconfig | 62 |
1 files changed, 53 insertions, 9 deletions
diff --git a/drivers/vhost/Kconfig b/drivers/vhost/Kconfig index 3d03ccbd1adc..c4f273793595 100644 --- a/drivers/vhost/Kconfig +++ b/drivers/vhost/Kconfig @@ -1,7 +1,43 @@ # 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_DPN + bool + depends on !ARM || AEABI + default y + help + Anything selecting VHOST or VHOST_RING must depend on VHOST_DPN. + This excludes the deprecated ARM ABI since that forces a 4 byte + alignment on all structs - incompatible with virtio spec requirements. + +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) + depends on NET && EVENTFD && (TUN || !TUN) && (TAP || !TAP) && VHOST_DPN select VHOST ---help--- This kernel module can be loaded in host kernel to accelerate @@ -13,7 +49,7 @@ config VHOST_NET config VHOST_SCSI tristate "VHOST_SCSI TCM fabric driver" - depends on TARGET_CORE && EVENTFD + depends on TARGET_CORE && EVENTFD && VHOST_DPN select VHOST default n ---help--- @@ -22,9 +58,9 @@ config VHOST_SCSI config VHOST_VSOCK tristate "vhost virtio-vsock driver" - depends on VSOCKETS && EVENTFD - select VIRTIO_VSOCKETS_COMMON + depends on VSOCKETS && EVENTFD && VHOST_DPN select VHOST + select VIRTIO_VSOCKETS_COMMON default n ---help--- This kernel module can be loaded in the host kernel to provide AF_VSOCK @@ -34,11 +70,17 @@ config VHOST_VSOCK To compile this driver as a module, choose M here: the module will be called vhost_vsock. -config VHOST - tristate - ---help--- - This option is selected by any driver which needs to access - the core of vhost. +config VHOST_VDPA + tristate "Vhost driver for vDPA-based backend" + depends on EVENTFD && VHOST_DPN + select VHOST + 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" @@ -54,3 +96,5 @@ config VHOST_CROSS_ENDIAN_LEGACY adds some overhead, it is disabled by default. If unsure, say "N". + +endif |