Commit c7107fc4 authored by Jakub Michalski's avatar Jakub Michalski Committed by Benjamin Cabé
Browse files

virtio: add API for VIRTIO devices and add VIRTIO PCI driver 

This commit adds the API for accessing VIRTIO devices, and adds a driver
for a VIRTIO PCIE device based on the newly added API.

This commit is based on the Virtual I/O Device (VIRTIO) Version 1.3
specification:
https://docs.oasis-open.org/virtio/virtio/v1.3/csd01/virtio-v1.3-csd01.pdf



Signed-off-by: default avatarJakub Michalski <jmichalski@antmicro.com>
Signed-off-by: default avatarFilip Kokosinski <fkokosinski@antmicro.com>
parent 6e7756a5

MAINTAINERS.yml

+14 −0
Original line number Diff line number Diff line
@@ -2197,6 +2197,20 @@ Release Notes: 
  tests:

    - drivers.video



"Drivers: VIRTIO":

  status: maintained

  maintainers:

    - fkokosinski

    - tgorochowik

  collaborators:

    - kgugala

  files:

    - drivers/virtio/

    - dts/bindings/virtio/

    - include/zephyr/virtio/

  labels:

    - "area: VIRTIO"



"Drivers: W1":

  status: maintained

  maintainers:

drivers/CMakeLists.txt

+1 −0
Original line number Diff line number Diff line
@@ -89,6 +89,7 @@ add_subdirectory_ifdef(CONFIG_SYSCON syscon) 
add_subdirectory_ifdef(CONFIG_SYS_CLOCK_EXISTS timer)

add_subdirectory_ifdef(CONFIG_TEE tee)

add_subdirectory_ifdef(CONFIG_VIDEO video)

add_subdirectory_ifdef(CONFIG_VIRTIO virtio)

add_subdirectory_ifdef(CONFIG_VIRTUALIZATION virtualization)

add_subdirectory_ifdef(CONFIG_W1 w1)

add_subdirectory_ifdef(CONFIG_WATCHDOG watchdog)

drivers/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -88,6 +88,7 @@ source "drivers/timer/Kconfig" 
source "drivers/usb/Kconfig"

source "drivers/usb_c/Kconfig"

source "drivers/video/Kconfig"

source "drivers/virtio/Kconfig"

source "drivers/virtualization/Kconfig"

source "drivers/w1/Kconfig"

source "drivers/watchdog/Kconfig"

drivers/virtio/CMakeLists.txt

0 → 100644
+7 −0
Original line number Diff line number Diff line 
# Copyright (c) 2024 Antmicro <www.antmicro.com>

# SPDX-License-Identifier: Apache-2.0



zephyr_library()



zephyr_library_sources_ifdef(CONFIG_VIRTIO virtqueue.c virtio_common.c)

zephyr_library_sources_ifdef(CONFIG_VIRTIO_PCI virtio_pci.c)

drivers/virtio/Kconfig

0 → 100644
+22 −0
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# Copyright (c) 2024 Antmicro <www.antmicro.com>

# SPDX-License-Identifier: Apache-2.0



config VIRTIO

	bool "support for VIRTIO"

	help

	  Enable options for VIRTIO



if VIRTIO



config VIRTIO_PCI

	bool "support for VIRTIO over PCI"

	default y

	depends on DT_HAS_VIRTIO_PCI_ENABLED

	help

	  Enable options for VIRTIO over PCI



endif # VIRTIO



module = VIRTIO

module-str = VIRTIO

source "subsys/logging/Kconfig.template.log_config"

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