mirror of
https://github.com/torvalds/linux.git
synced 2024-12-20 18:11:47 +00:00
e85087beed
This patch adds a new vDPA driver for Alibaba ENI(Elastic Network Interface) which is build upon virtio 0.9.5 specification. And this driver is only enabled on X86 host currently. Link: https://lore.kernel.org/r/6a9f32c00609af16bbb2ea32e633b3beb1cbf84b.1635493219.git.wuzongyong@linux.alibaba.com Signed-off-by: Wu Zongyong <wuzongyong@linux.alibaba.com> Link: https://lore.kernel.org/r/20211026083214.3375383-1-arnd@kernel.org Signed-off-by: Arnd Bergmann <arnd@arndb.de> # fix Kconfig typo Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
90 lines
2.4 KiB
Plaintext
90 lines
2.4 KiB
Plaintext
# 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.
|
|
|
|
config ALIBABA_ENI_VDPA
|
|
tristate "vDPA driver for Alibaba ENI"
|
|
select VIRTIO_PCI_LIB_LEGACY
|
|
depends on PCI_MSI && X86
|
|
help
|
|
VDPA driver for Alibaba ENI (Elastic Network Interface) which is built upon
|
|
virtio 0.9.5 specification.
|
|
|
|
endif # VDPA
|