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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
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menuconfig VDPA
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tristate "vDPA drivers"
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depends on NET
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help
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Enable this module to support vDPA device that uses a
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datapath which complies with virtio specifications with
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vendor specific control path.
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if VDPA
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config VDPA_SIM
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tristate "vDPA device simulator core"
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depends on RUNTIME_TESTING_MENU && HAS_DMA
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select DMA_OPS
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select VHOST_RING
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select IOMMU_IOVA
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help
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Enable this module to support vDPA device simulators. These devices
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are used for testing, prototyping and development of vDPA.
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config VDPA_SIM_NET
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tristate "vDPA simulator for networking device"
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depends on VDPA_SIM
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select GENERIC_NET_UTILS
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help
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vDPA networking device simulator which loops TX traffic back to RX.
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config VDPA_SIM_BLOCK
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tristate "vDPA simulator for block device"
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depends on VDPA_SIM
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help
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vDPA block device simulator which terminates IO request in a
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memory buffer.
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config VDPA_USER
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tristate "VDUSE (vDPA Device in Userspace) support"
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depends on EVENTFD && MMU && HAS_DMA
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select DMA_OPS
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select VHOST_IOTLB
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select IOMMU_IOVA
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help
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With VDUSE it is possible to emulate a vDPA Device
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in a userspace program.
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config IFCVF
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tristate "Intel IFC VF vDPA driver"
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depends on PCI_MSI
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help
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This kernel module can drive Intel IFC VF NIC to offload
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virtio dataplane traffic to hardware.
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To compile this driver as a module, choose M here: the module will
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be called ifcvf.
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config MLX5_VDPA
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bool
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select VHOST_IOTLB
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help
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Support library for Mellanox VDPA drivers. Provides code that is
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common for all types of VDPA drivers. The following drivers are planned:
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net, block.
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config MLX5_VDPA_NET
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tristate "vDPA driver for ConnectX devices"
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select MLX5_VDPA
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select VHOST_RING
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depends on MLX5_CORE
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help
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VDPA network driver for ConnectX6 and newer. Provides offloading
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of virtio net datapath such that descriptors put on the ring will
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be executed by the hardware. It also supports a variety of stateless
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offloads depending on the actual device used and firmware version.
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config VP_VDPA
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tristate "Virtio PCI bridge vDPA driver"
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select VIRTIO_PCI_LIB
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depends on PCI_MSI
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help
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This kernel module bridges virtio PCI device to vDPA bus.
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config ALIBABA_ENI_VDPA
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tristate "vDPA driver for Alibaba ENI"
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select VIRTIO_PCI_LIB_LEGACY
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depends on PCI_MSI && X86
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help
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VDPA driver for Alibaba ENI (Elastic Network Interface) which is built upon
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virtio 0.9.5 specification.
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endif # VDPA
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