mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-09-12 13:55:32 +00:00
1a86b377aa
Add a front end VDPA driver that registers in the VDPA bus and provides networking to a guest. The VDPA driver creates the necessary resources on the VF it is driving such that data path will be offloaded. Notifications are being communicated through the driver. Currently, only VFs are supported. In subsequent patches we will have devlink support to control which VF is used for VDPA and which function is used for regular networking. Reviewed-by: Parav Pandit <parav@mellanox.com> Signed-off-by: Eli Cohen <eli@mellanox.com> Link: https://lore.kernel.org/r/20200804162048.22587-13-eli@mellanox.com Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Acked-by: Jason Wang <jasowang@redhat.com>
50 lines
1.4 KiB
Text
50 lines
1.4 KiB
Text
# SPDX-License-Identifier: GPL-2.0-only
|
|
menuconfig VDPA
|
|
tristate "vDPA drivers"
|
|
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"
|
|
depends on RUNTIME_TESTING_MENU && HAS_DMA
|
|
select VHOST_RING
|
|
default n
|
|
help
|
|
vDPA networking device simulator which loop TX traffic back
|
|
to RX. This device is used for testing, prototyping and
|
|
development of vDPA.
|
|
|
|
config IFCVF
|
|
tristate "Intel IFC VF vDPA driver"
|
|
depends on PCI_MSI
|
|
default n
|
|
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 "MLX5 VDPA support library for ConnectX devices"
|
|
depends on MLX5_CORE
|
|
default n
|
|
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"
|
|
depends on MLX5_VDPA
|
|
default n
|
|
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.
|
|
|
|
endif # VDPA
|