Virtio specification 12. mirroring From: "Liu, Jiang" <gerry@linux.

Virtio specification 12 com Subject: Re: [PATCH v1 2/2] virtio-mmio: add features for virtio-mmio specification version 3 Date: Thu, 26 Dec 2019 21:16:19 +0800 Dec 10, 2024 · In the same way, virtio actually works based on a frontend and a backend, and they exchange data through shared memory and a kind of ring queue called "virtqueue". girdwood, tiwai, broonie, maz Hi all, This is the specification (version 4) about a new virtio crypto device. com> Cc: "virtio-comment@lists. The virtio specification * [PATCH v2 0/1] virtio-media: Add device specification @ 2024-06-07 8:00 Albert Esteve 2024-06-07 8:00 ` [PATCH v2 1/1] virtio-media: Add virtio media" Albert Esteve ` (3 more replies) 0 siblings, 4 replies; 8+ messages in thread From: Albert Esteve @ 2024-06-07 8:00 UTC (permalink / raw) To: virtio-dev, virtio-dev Cc: Matti. It includes a minimal set of LaTeX files from the upstream repository so a PDF document containing only the video specification can be built quickly. sepp@opensynergy. com>, Cornelia Huck <cornelia. Iglesias" <edgar. iglesias@gmail. e >>>> Number of MSI-X vectors of a virtio PCI VF device. There is a need to do >>>> such features query and manipulation by its parent PCI PF. com>, Max Gurtovoy <mgurtovoy@nvidia. - But fixing the configuration requires fixing the specification. VirtualI/ODevice(VIRTIO)Version1. p. sepp *Re: [virtio-comment] [RFC PATCH v3] virtio-can: Device specification. These devices are found in virtual environments, yet by design they look like physical devices to the guest within the virtual machine — and this document treats them as such. The driver needs to open a session > +before it can perform any useful operation on the device. This similarity allows the guest to use standard drivers and discovery mechanisms. 1 is a specification that outlines the protocol for virtual devices in a virtualized environment. 2 is the largest ever release of the ‘virtio’ specification, with 9 new device types as well as significant new functionality in existing devices, and addressing comments by more than 45 individuals from more than 15 organizations. Hello, Sorry for the delay. The goal of the OASIS Virtual I/O Device (VIRTIO) TC is to simplify virtual devices, making them more extensible and more recognizable. The specification will also document existing implementations and practice. 22 08:23, Alexandre Courbot wrote: Add the specification of the video decoder and encoder devices, which can be used to provide host-accelerated video operations to the guest. org>, "cohuck@redhat. UTC. 2 there is a DEVICE_NEEDS_RESET flag in device status register is available. > > Changes v1 -> v2: > * support the v3 spec (mostly) > * add a module parameter to ask for pages from ZONE_DMA > > What is not implemented: > * Plane layout flags should be used to From: "Liu, Jiang" <gerry@linux. Extensible: Aug 7, 2015 · Specification development will be based upon the “Virtio PCI Card Specification” v0. From: "Liu, Jiang" <gerry@linux. i. Message ID: 20191218130214. com, virtio-dev@lists. org, Baptiste Reynal <b. * [PATCH v1 0/2] support virtio mmio specification Version 3 @ 2019-12-25 2:50 Zha Bin 2019-12-25 2:50 ` [PATCH v1 1/2] x86/msi: Enhance x86 to support platform_msi Zha Bin ` (2 more replies) 0 siblings, 3 replies; 36+ messages in thread From: Zha Bin @ 2019-12-25 2:50 UTC (permalink / raw) To: linux-kernel Cc: mst, jasowang, slp, virtio-dev * [PATCH v1 0/2] support virtio mmio specification Version 3 @ 2019-12-25 2:50 Zha Bin 2019-12-25 2:50 ` [PATCH v1 1/2] x86/msi: Enhance x86 to support platform_msi Zha Bin ` (2 more replies) 0 siblings, 3 replies; 36+ messages in thread From: Zha Bin @ 2019-12-25 2:50 UTC (permalink / raw) To: linux-kernel Cc: mst, jasowang, slp, virtio-dev * [virtio-dev] [PATCH v2] snd: Add virtio sound device specification @ 2019-11-05 15:06 Mikhail Golubev 2019-11-06 9:28 ` Mikhail Golubev 2019-11-12 13:20 ` Jean-Philippe Brucker 0 siblings, 2 replies; 8+ messages in thread From: Mikhail Golubev @ 2019-11-05 15:06 UTC (permalink / raw) To: virtio-dev Cc: liam. org, slp@redhat. In our proof-of-concept approach, a verification engineer translates requirements into a CCSL specification. 5, seeking solutions that support portability, simplicity, least-surprise for driver authors, extensibility, and performance. Extensible: Virtio devices contain feature bits which are acknowledged by the guest operating system during device setup. These devices are found in virtual environments, yet by design they look like physical devices to the guest within the virtual machine - and this document treats them as such. 1-cs01 states: "Transitional devices > MUST detect Legacy drivers by detecting that VIRTIO_F_VERSION_1 has not > been acknowledged by the driver. 0 was created by standardization committee. 5, seeking solutions that support portability, simplicity, least-surprise for driver authors, extensibility, and Virtio draft specification. oasis-open. 12:38 p. The purpose of virtio and this specification is that virtual * [PATCH v1 0/2] support virtio mmio specification Version 3 @ 2019-12-25 2:50 Zha Bin 2019-12-25 2:50 ` [PATCH v1 1/2] x86/msi: Enhance x86 to support platform_msi Zha Bin ` (2 more replies) 0 siblings, 3 replies; 36+ messages in thread From: Zha Bin @ 2019-12-25 2:50 UTC (permalink / raw) To: linux-kernel Cc: mst, jasowang, slp, virtio-dev Mar 12, 2025 · prev parent reply other threads:[~2025-03-12 10:41 UTC|newest] Thread overview: 5+ messages / expand[flat|nested] mbox. The purpose of VIRTIO is to ensure that virtual environments and guests have a straightforward, efficient, standard, and extensible mechanism for virtual devices, rather than boutique per-environment or per-OS mechanisms. com>, Jani Kokkonen <Jani Development of virtio-msg transport spec for submission to the OASIS VIRTIO (Virtual I/O) Specification - Linaro/virtio-msg-spec This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index. > > Signed-off-by: Dmitry Sepp <dmitry. org, mst@redhat. org, jing2. This is live docum next prev parent reply other threads:[~2023-05-05 11:55 UTC|newest] Thread overview: 93+ messages / expand[flat|nested] mbox. com>, "qemu-devel@nongnu. com> > > The virtio video encoder device and decoder device provide functionalities to > encode and decode video stream respectively. These devices are found in virtual environments, yet by design they look like physical devices to the guest within the VirtIO specification V1. URIs: Hi All, This document captures the virtio net device requirements for the upcoming release 1. gz Atom feed top 2020-02-06 10:20 Keiichi Watanabe [this message] 2020-02-06 10:20 ` [PATCH v3 1/2] virtio-video: Add virtio video device specification Keiichi Watanabe 2020-02-25 9:59 ` Gerd Hoffmann 2020-02-27 7:24 ` Keiichi This repository includes the authoritative source of the VIRTIO (Virtual I/O) Specification document. 1 release, quite a lot of changes have accumulated. To identify the virtqueues that associate with this virtio_device, you use the virtio_config_opsobject with the find_vqfunction. 4 that some of us are currently working on. VIRTIO describes describes the specifications of the "virtio" family of devices. Aug 24, 2024 · hikalium さんが開発された liumOS の virtio-net ドライバの概要をまとめ、仕様書の対応箇所を示します。virtio-net ドライバの実装にあたり、仕様書のどのような個所を… %PDF-1. 4. liu@intel. >> Jun 9, 2023 · [RFC PATCH v3 0/4] virtio-rtc: Add device specification Peter Hilber Added 12-18-2023 Feb 6, 2024 · The Virtio SPI (Serial Peripheral Interface) device is a virtual SPI controller that allows the driver to operate and use the SPI controller under the control of the host. com> To: Stefan Hajnoczi <stefanha@gmail. The virtio specification This GitHub repository hosts various versions of the VIRTIO (Virtual I/O) Specification document in the (non-authoritative) pre-formatted HTML and PDF form. m. Jul 18, 2022 · A new version of the virtio specification has been released! As it has been three years after the 1. 0/cs04/tex Mar 13, 2025 · > > > On 12. 1 Virtio Over PCI Bus. 0 CommitteeSpecification04 03March2016 SpecificationURIs Thisversion: http://docs. > The VIRTIO specification allows software to use the VIRTIO PCI* Configuration Access capability register as an alternative method to access VIRTIO device region. This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index. Virtio is an open specification for virtual machines' data I/O communication, offering a straightforward, efficient, standard and extensible mechanism for virtual devices, rather than boutique per-environment or per-OS mechanisms. 170703-1-keiichiw@chromium. pinto@virtualopensystems. org>, Stefan Hajnoczi <stefanha@redhat. Specification development will be based upon the "Virtio PCI Card Specification" v0. mommer@xxxxxxxxxxxxxxx> Add initial virtio-spi. > > The first version of the driver was introduced here [2]. osdev. The header file is compliant to the virtio SPI draft specification V4. > This device provides the functionality of hardware accelerated video > decoding from encoded video contents provided by the guest into frame > buffers accessible by the 2017-12-30 09:35:57 UTC. org (mailing list archive) Headers: show Dec 14, 2023 · On 13. 参考文档： VirtIO Specification v1. com> To: "Edgar E. The below document describes the specifications of the “virtio” family of devices. 23 10:53, Viresh Kumar wrote: > Hi Harald, > > On 27-10-23, 18:10, Harald Mommer wrote: >> compliant to the "PATCH v4" draft virtio SPI specification. This is live docum [v2,0/1] VirtIO video device specification. com>, Oren Existing virtio-blk protocol doesn't have DISCARD/WRITE ZEROES support, this will impact the performance when using SSD backend over file systems. gz Atom feed top 2024-01-08 13:10 [PATCH v5] can: virtio: Initial virtio CAN driver Mikhail Golubev-Ciuchea 2024-01-08 19:34 ` Christophe JAILLET 2024-02-01 18:57 ` Harald Mommer 2025-03-12 10:31 ` Matias Ezequiel Vara Larsen From: Harald Mommer <harald. Tsirkin" <mst@redhat. Support has been added to the linux * [PATCH v1 0/2] support virtio mmio specification Version 3 @ 2019-12-25 2:50 Zha Bin 2019-12-25 2:50 ` [PATCH v1 1/2] x86/msi: Enhance x86 to support platform_msi Zha Bin ` (2 more replies) 0 siblings, 3 replies; 36+ messages in thread From: Zha Bin @ 2019-12-25 2:50 UTC (permalink / raw) To: linux-kernel Cc: mst, jasowang, slp, virtio-dev This repository is used to prepare a patch for virtio-video protocol easily. When this interface is enabled, the PCIe* IP provides a passage for the HIP's VIRTIO PCI* Configuration Access Interface to application logic. com" <jasowang@redhat. Aug 2, 2024 · virtio-spec-rs This crate contains the Rust equivalents of the definitions from the Virtual I/O Device (VIRTIO) Specification . Here is the proposal to extend existing virtio-blk protocol to support DISCARD/WRITE ZEROE VirtIO is a specification that enables developers to base on a common interface to implement devices and drivers for virtual environments. . > Though video encoder and decoder are provided as different devices, they use a > same protocol. gz Atom feed top 2024-01-08 13:10 [PATCH v5] can: virtio: Initial virtio CAN driver Mikhail Golubev-Ciuchea 2024-01-08 19:34 ` Christophe JAILLET 2024-02-01 18:57 ` Harald Mommer 2025-03-12 10:31 ` Matias Ezequiel Vara Mar 12, 2024 · The Virtual I/O Device (VIRTIO) Version 1. 9. 3Chapter 1 Introduction略 Chapter 2 Basic Facilities of a Virtio Device每一个device由以下部分组成： device status field feature bits notification configuration spa… Overview. OASIS Virtual I/O Device TC: Source code for the VIRTIO (Virtual I/O) Specification maintained by the OASIS Virtual I/O Device (VIRTIO) Technical Committee May 4, 2016 · Add virtio input device specification. Fontana@huawei. This paper proposes the verification and analysis of the VirtIO specification by using the Clock Constraint Specification Language (CCSL) [1]. alibaba. 3 Chapter 1 Introduction略 Chapter 2 Basic Facilities of a Virtio Device每一个device由以下部分组成： device status field feature bits notification configuration space virtqueue Device Status Field device status field显示在设备初始化过程中的步骤，如下：ACKNOWLEDGE（1 Some of this configuration is generic enough. The authoritative format representation is found in the virtio-spec repository. Feb 18, 2020 · Hi Dmitry, On 2/18/20 9:27 PM, Dmitry Sepp wrote: > Hi all, > > This is a v4l2 virtio video driver for the virtio-video device > specification v3 [1]. com> To: "Michael S. VIRTIO document describes the specifications of the "virtio" family of devices. This crate aims to be unopinionated regarding actual VIRTIO drivers that are implemented on top of this crate. Changes from v3: - Don't use enum is the spec but macros in specific structures. You may want to read both the virtio specification and the source code of the virtio disk driver in xv6 (kernel/virtio_disk. gz Atom feed top 2024-01-08 13:10 [PATCH v5] can: virtio: Initial virtio CAN driver Mikhail Golubev-Ciuchea 2024-01-08 19:34 ` Christophe JAILLET 2024-02-01 18:57 ` Harald Mommer 2025-03-12 10:31 ` Matias Ezequiel Vara From: Christian Pinto <c. gz Atom feed top 2025-02-05 15:33 [PATCH v6 0/1] virtio-media: Add device specification Albert Esteve 2025-02-05 15:33 ` [PATCH v6 1/1] virtio-media: Add virtio media" Albert Esteve 2025-02-10 12:24 ` Matias Ezequiel Vara virtqueuedoes reference the virtio_device). com>, "virtio-dev@lists. mxix_config (or 1-bit of ISR) Mar 12, 2025 · next prev parent reply other threads:[~2025-03-12 13:36 UTC|newest] Thread overview: 8+ messages / expand[flat|nested] mbox. Sep 12, 2019 · Virtio is an open specification for virtual machines' data I/O communication, offering a straightforward, efficient, standard and extensible mechanism for virtual devices, rather than boutique per-environment or per-OS mechanisms. com>, Shahaf Shuler <shahafs@nvidia. I have attempted to list some of them below; for details, you are invited to check out the spec :) The virtio spec defines these transport methods in detail, including device discovery, capabilities and interrupt handling. com>, Claudio Fontana <Claudio. com>, Jani Kokkonen Dec 14, 2023 · On 13. org/virtio/virtio/v1. Chakravarty, jean-philippe, Peter Hilber, cristian. See full list on wiki. The find_vqfunction also permits the specification of a Hi Keiichi, On 9/19/19 11:34 AM, Keiichi Watanabe wrote: > [Resending because of some issues with sending to virtio-dev. >>>> >>>> Currently virtio specification defines control virtqueue to manipulate >>>> features and configuration of the device it operates on. 12. com, slp@redhat. > + > +\paragraph{Device Operation: Open device} > + > +\textbf{VIRTIO_MEDIA_CMD_OPEN} Command for creating a new session. Virtio can use various different buses, thus the standard is split into virtio general and bus-specific sections. com, chao. > + > +This is the equivalent of calling \textit{open} on a V4L2 device node. In this specification, virtio devices are implemented over MMIO, Channel I/O and PCI bus transports 2, earlier drafts have been implemented on other buses not included here. com" <cohuck@redhat. c). From: : Cornelia Huck: Subject: : Re: [Qemu-devel] [RFC v2] virtio-crypto specification: Date: : Tue, 12 Apr 2016 10:00:17 +0200 Development of virtio-msg transport spec for submission to the OASIS VIRTIO (Virtual I/O) Specification - Linaro/virtio-msg-spec Oct 11, 2021 · > The virtio specification virtio-v1. The first step is to write a driver for this device. If i set this flag with interrupt in virtio_pci_common_cfg. ] > > This patch proposes virtio specification for new virtio video decode > device. mirroring Feb 12, 2025 · prev parent reply other threads:[~2025-02-12 14:39 UTC|newest] Thread overview: 6+ messages / expand[flat|nested] mbox. > This device provides the functionality of hardware accelerated video > decoding from encoded video contents provided by the guest into frame > buffers accessible by the This repository is used to prepare a patch for virtio-video protocol easily. Problem description VIRTIO is a communication protocol designed for paravirtualized devices interfacing. org" <virtio-dev@lists. Extensible: This repository includes the authoritative source of the VIRTIO (Virtual I/O) Specification document. r. This is the specification about the new virtio crypto device. gz Atom feed top 2019-12-25 2:50 [PATCH v1 0/2] support virtio mmio specification Version 3 Zha Bin 2019-12-25 2:50 ` [PATCH v1 1/2] x86/msi: Enhance x86 to support platform_msi Zha Bin 2019-12-26 8:21 ` " Jason Wang 2019 Feb 18, 2021 · VirtIO is a specification that enables developers to base on a common interface to implement devices and drivers for virtual environments. 03. According to the virtio specification: In virtio standard, each virtqueue can consist of up to 3 parts: Descriptor Area - used for describing buffers * [PATCH v6] Add virtio SCMI device specification @ 2021-02-12 9:59 Peter Hilber 2021-02-15 13:20 ` Cristian Marussi ` (2 more replies) 0 siblings, 3 replies; 10+ messages in thread From: Peter Hilber @ 2021-02-12 9:59 UTC (permalink / raw) To: virtio-comment Cc: virtio-dev, Souvik. org>, "jasowang@redhat. Sorry for the noise. org The TC intends to define formal specifications for virtual device buses (including PCI) for a variety of devices, including network devices. com>, linux-kernel@vger. mirroring From: "Liu, Jiang" <gerry@linux. Nov 5, 2024 · According virtio specification v1. reynal@virtualopensystems. com>, Zha Bin <zhabin@linux. 2024-01-15 16:24 ` Cornelia Huck @ 2024-02-02 12:45 ` Cornelia Huck 0 siblings, 0 replies; 13 Virtio makes no assumptions about the environment in which it operates, beyond supporting the bus to which device is attached. marussi ) Version 1 - OASIS 1 1 From: Harald Mommer <harald. 5 %äðíø 4 0 obj >/Filter/FlateDecode/Length 3517>> stream xÚíœ{\Oç ÀŸúv› R F. org" <virtio-comment@lists. This object returns the virtual queues associated with this virtio_deviceinstance. Published as the Committee Specification 0111 in April 2019, this document serves as the authoritative source for implementing VIRTIO devices in virtualized systems. >> Jun 9, 2023 · [RFC PATCH v3 0/4] virtio-rtc: Add device specification Peter Hilber Added 12-18-2023 参考文档： VirtIO Specification v1. VIRTIO document describes the specifications of the "virtio" family of devices. > +The driver uses \textit{virtio_media_cmd_open Virtio can use various different buses, thus the standard is split into virtio general and bus-specific sections. com> Cc: Zha Bin <zhabin@linux. com Subject: Re: [PATCH v1 2/2] virtio-mmio: add features for virtio-mmio specification version 3 Date: Fri, 10 Jan Download scientific diagram | Approach to Validate the VIRTIO specification from publication: Verifying the Conformance of a Driver Implementation to the VirtIO Specification | VirtIO is a Apr 24, 2020 · Subject: Re: [PATCH v3 1/2] virtio-video: Add virtio video device specification; From: Keiichi Watanabe <keiichiw@xxxxxxxxxxxx>; Date: Fri, 24 Apr 2020 20:42:31 +0900; Cc: Alexandre Courbot <acourbot@xxxxxxxxxxxx>, Gerd Hoffmann <kraxel@xxxxxxxxxx>, virtio-dev@xxxxxxxxxxxxxxxxxxxx, Linux Media Mailing List <linux-media@xxxxxxxxxxxxxxx>, Alex Lau <alexlau@xxxxxxxxxxxx>, Daniel Vetter <daniel From: Christian Pinto <c. Virtio makes no assumptions about the environment in which it operates, beyond supporting the bus to which device is attached. Make sure you understand the initialization process and how the driver and the device communicate through virtqueues. 2025 11:31:12, Matias Ezequiel Vara Larsen wrote: > > > > > virtio CAN specification or after change requests to the specification are configuration space is not aligned, which violates the virtio specification (and our virtio MMIO middle layer asserts such accesses). ---v23 -> v22 - rename MUX_MODE to REVISION_1 [Halil] Mar 12, 2025 · next prev parent reply other threads:[~2025-03-12 13:28 UTC|newest] Thread overview: 8+ messages / expand[flat|nested] mbox. This paper proposes the verification and analysis of the On Thu, Feb 06, 2020 at 07:20:57PM +0900, Keiichi Watanabe wrote: > From: Dmitry Sepp <dmitry. I'm still gathering data in the old emails On 08. Virtio devices are commonly implemented as PCI devices. A Virtio device can be implemented as any kind of PCI device: a Conventional PCI device or a PCI Express device. " This is exactly what QEMU as of 6. Resuming the effort to get the input device specs actually merged. com> To: Jason Wang <jasowang@redhat. kernel. May 9, 2022 · VIRTIO v1. ibm. 1 Aug 7, 2015 · Specification development will be based upon the “Virtio PCI Card Specification” v0. h header for virtio SPI. ]uW‰ÜFbrÉebØ ?†-²–$Ì šËf4 ¹ cf2„JH)©¾I÷†¡hæR¤Z·ïïßó=ÏyÎ9ÏéûÝ嵿Îç Ósžçùžóœ÷yžÏí9¯ ä/Ë ¦” /ÑÐD¶ 3¥ A M$,†)]|W¢¡‰ gJ¿[¿’ph ®9ZLqæq ‡ bXü6S” PH4 £ï£bd´„C ™ü3*¶Î9&ñP/í -Yda[% êåÓ-ØÉåÍÉ- 5Ò>¿7~šŸQ\ÝX ) Version 1 - OASIS 1 1 QEMU emulates a virtio-net NIC. gz Atom feed top 2022-12-08 7:23 [virtio-dev] [RFC PATCH v6] virtio-video: Add virtio video device specification Alexandre Courbot 2022-12-08 15:00 ` Cornelia Huck 2022-12-27 5:38 ` Alexandre Courbot 2023-01-11 8:45 From: Parav Pandit <parav@nvidia. 1 > has done relying solely on VIRTIO_F_VERSION_1 for detecting that. It uses the fact that the guest can share memory with the host for I/O to implement that. In order to make writing easier, the actual virtio-video spec is in the This repository includes the authoritative source of the VIRTIO (Virtual I/O) Specification document. com> Cc: Jason Wang <jasowang@redhat. peng@intel. These devices are found in virtual environments, yet by design they look like physical devices to the guest within the Virtual I/O Device (VIRTIO) Version 1 - OASIS device. com> Cc: virtio-dev@lists. Contribute to rustyrussell/virtio-spec development by creating an account on GitHub. Moell, cohuck, mst . Then next prev parent reply other threads:[~2020-01-03 6:15 UTC|newest] Thread overview: 60+ messages / expand[flat|nested] mbox. Mar 4, 2025 · Introduction This RFC introduces VIRTIO[1] support in Zephyr RTOS along with the roadmap of future improvements. com Subject: Re: [PATCH v1 2/2] virtio-mmio: add features for virtio-mmio specification next reply other threads:[~2020-02-06 10:21 UTC|newest] Thread overview: 35+ messages / expand[flat|nested] mbox. Apr 11, 2019 · Describes the specifications of the “virtio” family of devices. org Developers" <qemu-devel@nongnu. - The corrected version of the configuration with the corresponding feature bit was also merged into the mainline. Permalink. huck@de. vmmkr qyrut nppbc nhnf zuwcwl yyxaqaj yayg hmix xaklqwp gcaktd xdoxpu ifs fjnbl lxwr mhpmlnbw