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# SPDX-License-Identifier: GPL-2.0+
#
# Copyright (C) 2018, Tuomas Tynkkynen <tuomas.tynkkynen@iki.fi>
# Copyright (C) 2018, Bin Meng <bmeng.cn@gmail.com>
#
# VirtIO is a virtualization standard for network and disk device drivers
# where just the guest's device driver "knows" it is running in a virtual
# environment, and cooperates with the hypervisor. This enables guests to
# get high performance network and disk operations, and gives most of the
# performance benefits of paravirtualization. In the U-Boot case, the guest
# is U-Boot itself, while the virtual environment are normally QEMU targets
# like ARM, RISC-V and x86.
#
# See http://docs.oasis-open.org/virtio/virtio/v1.0/virtio-v1.0.pdf for
# the VirtIO specification v1.0.
menu "VirtIO Drivers"
config VIRTIO
bool
help
This option is selected by any driver which implements the virtio
transport, such as CONFIG_VIRTIO_MMIO or CONFIG_VIRTIO_PCI.
config VIRTIO_MMIO
bool "Platform bus driver for memory mapped virtio devices"
select VIRTIO
help
This driver provides support for memory mapped virtio
platform device driver.
config VIRTIO_PCI
bool "PCI driver for virtio devices"
depends on DM_PCI
select VIRTIO
help
This driver provides support for virtio based paravirtual device
drivers over PCI.
config VIRTIO_NET
bool "virtio net driver"
depends on VIRTIO
help
This is the virtual net driver for virtio. It can be used with
QEMU based targets.
config VIRTIO_BLK
bool "virtio block driver"
depends on VIRTIO
help
This is the virtual block driver for virtio. It can be used with
QEMU based targets.
endmenu
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