18fb49b4cSBin Meng# SPDX-License-Identifier: GPL-2.0+ 28fb49b4cSBin Meng# 38fb49b4cSBin Meng# Copyright (C) 2018, Tuomas Tynkkynen <tuomas.tynkkynen@iki.fi> 48fb49b4cSBin Meng# Copyright (C) 2018, Bin Meng <bmeng.cn@gmail.com> 58fb49b4cSBin Meng# 68fb49b4cSBin Meng# VirtIO is a virtualization standard for network and disk device drivers 78fb49b4cSBin Meng# where just the guest's device driver "knows" it is running in a virtual 88fb49b4cSBin Meng# environment, and cooperates with the hypervisor. This enables guests to 98fb49b4cSBin Meng# get high performance network and disk operations, and gives most of the 108fb49b4cSBin Meng# performance benefits of paravirtualization. In the U-Boot case, the guest 118fb49b4cSBin Meng# is U-Boot itself, while the virtual environment are normally QEMU targets 128fb49b4cSBin Meng# like ARM, RISC-V and x86. 138fb49b4cSBin Meng# 148fb49b4cSBin Meng# See http://docs.oasis-open.org/virtio/virtio/v1.0/virtio-v1.0.pdf for 158fb49b4cSBin Meng# the VirtIO specification v1.0. 168fb49b4cSBin Meng 178fb49b4cSBin Mengmenu "VirtIO Drivers" 188fb49b4cSBin Meng 198fb49b4cSBin Mengconfig VIRTIO 208fb49b4cSBin Meng bool 218fb49b4cSBin Meng help 228fb49b4cSBin Meng This option is selected by any driver which implements the virtio 238fb49b4cSBin Meng transport, such as CONFIG_VIRTIO_MMIO or CONFIG_VIRTIO_PCI. 248fb49b4cSBin Meng 25fdc4aca8SBin Mengconfig VIRTIO_MMIO 26fdc4aca8SBin Meng bool "Platform bus driver for memory mapped virtio devices" 27fdc4aca8SBin Meng select VIRTIO 28fdc4aca8SBin Meng help 29fdc4aca8SBin Meng This driver provides support for memory mapped virtio 30fdc4aca8SBin Meng platform device driver. 31fdc4aca8SBin Meng 324135e107SBin Mengconfig VIRTIO_PCI 334135e107SBin Meng bool "PCI driver for virtio devices" 344135e107SBin Meng depends on DM_PCI 354135e107SBin Meng select VIRTIO 364135e107SBin Meng help 374135e107SBin Meng This driver provides support for virtio based paravirtual device 384135e107SBin Meng drivers over PCI. 394135e107SBin Meng 40*640aae0fSBin Mengconfig VIRTIO_SANDBOX 41*640aae0fSBin Meng bool "Sandbox driver for virtio devices" 42*640aae0fSBin Meng depends on SANDBOX 43*640aae0fSBin Meng select VIRTIO 44*640aae0fSBin Meng help 45*640aae0fSBin Meng This driver provides support for Sandbox implementation of virtio 46*640aae0fSBin Meng transport driver which is used for testing purpose only. 47*640aae0fSBin Meng 48f371ad30STuomas Tynkkynenconfig VIRTIO_NET 49f371ad30STuomas Tynkkynen bool "virtio net driver" 50f371ad30STuomas Tynkkynen depends on VIRTIO 51f371ad30STuomas Tynkkynen help 52f371ad30STuomas Tynkkynen This is the virtual net driver for virtio. It can be used with 53f371ad30STuomas Tynkkynen QEMU based targets. 54f371ad30STuomas Tynkkynen 55f4802209STuomas Tynkkynenconfig VIRTIO_BLK 56f4802209STuomas Tynkkynen bool "virtio block driver" 57f4802209STuomas Tynkkynen depends on VIRTIO 58f4802209STuomas Tynkkynen help 59f4802209STuomas Tynkkynen This is the virtual block driver for virtio. It can be used with 60f4802209STuomas Tynkkynen QEMU based targets. 61f4802209STuomas Tynkkynen 628fb49b4cSBin Mengendmenu 63