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# SPDX-License-Identifier: GPL-2.0-only
menuconfig VDPA
tristate "vDPA drivers"
depends on NET
help
Enable this module to support vDPA device that uses a
datapath which complies with virtio specifications with
vendor specific control path.
if VDPA
config VDPA_SIM
tristate "vDPA device simulator core"
depends on RUNTIME_TESTING_MENU && HAS_DMA
select DMA_OPS
select VHOST_RING
select IOMMU_IOVA
help
Enable this module to support vDPA device simulators. These devices
are used for testing, prototyping and development of vDPA.
config VDPA_SIM_NET
tristate "vDPA simulator for networking device"
depends on VDPA_SIM
select GENERIC_NET_UTILS
help
vDPA networking device simulator which loops TX traffic back to RX.
config VDPA_SIM_BLOCK
tristate "vDPA simulator for block device"
depends on VDPA_SIM
help
vDPA block device simulator which terminates IO request in a
memory buffer.
config VDPA_USER
tristate "VDUSE (vDPA Device in Userspace) support"
depends on EVENTFD && MMU && HAS_DMA
select DMA_OPS
select VHOST_IOTLB
select IOMMU_IOVA
help
With VDUSE it is possible to emulate a vDPA Device
in a userspace program.
config IFCVF
tristate "Intel IFC VF vDPA driver"
depends on PCI_MSI
help
This kernel module can drive Intel IFC VF NIC to offload
virtio dataplane traffic to hardware.
To compile this driver as a module, choose M here: the module will
be called ifcvf.
config MLX5_VDPA
bool
select VHOST_IOTLB
help
Support library for Mellanox VDPA drivers. Provides code that is
common for all types of VDPA drivers. The following drivers are planned:
net, block.
config MLX5_VDPA_NET
tristate "vDPA driver for ConnectX devices"
select MLX5_VDPA
select VHOST_RING
depends on MLX5_CORE
help
VDPA network driver for ConnectX6 and newer. Provides offloading
of virtio net datapath such that descriptors put on the ring will
be executed by the hardware. It also supports a variety of stateless
offloads depending on the actual device used and firmware version.
config VP_VDPA
tristate "Virtio PCI bridge vDPA driver"
select VIRTIO_PCI_LIB
depends on PCI_MSI
help
This kernel module bridges virtio PCI device to vDPA bus.
endif # VDPA
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