drivers/vdpa/Kconfig

   1 # SPDX-License-Identifier: GPL-2.0-only
   2 menuconfig VDPA
   3         tristate "vDPA drivers"
   4         depends on NET
   5         help
   6           Enable this module to support vDPA device that uses a
   7           datapath which complies with virtio specifications with
   8           vendor specific control path.
   9
  10 if VDPA
  11
  12 config VDPA_SIM
  13         tristate "vDPA device simulator core"
  14         depends on RUNTIME_TESTING_MENU && HAS_DMA
  15         select DMA_OPS
  16         select VHOST_RING
  17         select IOMMU_IOVA
  18         help
  19           Enable this module to support vDPA device simulators. These devices
  20           are used for testing, prototyping and development of vDPA.
  21
  22 config VDPA_SIM_NET
  23         tristate "vDPA simulator for networking device"
  24         depends on VDPA_SIM
  25         select GENERIC_NET_UTILS
  26         help
  27           vDPA networking device simulator which loops TX traffic back to RX.
  28
  29 config VDPA_SIM_BLOCK
  30         tristate "vDPA simulator for block device"
  31         depends on VDPA_SIM
  32         help
  33           vDPA block device simulator which terminates IO request in a
  34           memory buffer.
  35
  36 config VDPA_USER
  37         tristate "VDUSE (vDPA Device in Userspace) support"
  38         depends on EVENTFD && MMU && HAS_DMA
  39         select DMA_OPS
  40         select VHOST_IOTLB
  41         select IOMMU_IOVA
  42         help
  43           With VDUSE it is possible to emulate a vDPA Device
  44           in a userspace program.
  45
  46 config IFCVF
  47         tristate "Intel IFC VF vDPA driver"
  48         depends on PCI_MSI
  49         help
  50           This kernel module can drive Intel IFC VF NIC to offload
  51           virtio dataplane traffic to hardware.
  52           To compile this driver as a module, choose M here: the module will
  53           be called ifcvf.
  54
  55 config MLX5_VDPA
  56         bool
  57         select VHOST_IOTLB
  58         help
  59           Support library for Mellanox VDPA drivers. Provides code that is
  60           common for all types of VDPA drivers. The following drivers are planned:
  61           net, block.
  62
  63 config MLX5_VDPA_NET
  64         tristate "vDPA driver for ConnectX devices"
  65         select MLX5_VDPA
  66         select VHOST_RING
  67         depends on MLX5_CORE
  68         help
  69           VDPA network driver for ConnectX6 and newer. Provides offloading
  70           of virtio net datapath such that descriptors put on the ring will
  71           be executed by the hardware. It also supports a variety of stateless
  72           offloads depending on the actual device used and firmware version.
  73
  74 config VP_VDPA
  75         tristate "Virtio PCI bridge vDPA driver"
  76         select VIRTIO_PCI_LIB
  77         depends on PCI_MSI
  78         help
  79           This kernel module bridges virtio PCI device to vDPA bus.
  80
  81 endif # VDPA