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Mon, 26 Oct 2026 23:08:39 -0700 (PDT) Received: from google.com ([2a00:79e0:2039:4:1f3b:75d3:73bb:cec]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-3ae406361e2sm2085347a91.8.2026.10.26.23.08.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 26 Oct 2026 23:08:39 -0700 (PDT) Date: Tue, 27 Oct 2026 14:08:35 +0800 From: Kuan-Wei Chiu To: Hung-Chun Tseng Cc: u-boot@lists.u-boot-project.org, bmeng.cn@gmail.com, trini@konsulko.com, sjg@chromium.org, xypron.glpk@gmx.de, Bin Meng Subject: Re: [PATCH v4 2/5] doc: virtio: List the supported device types Message-ID: References: <20261021110706.2947351-1-alan.tseng.cs@gmail.com> <20261021110706.2947351-3-alan.tseng.cs@gmail.com> X-Archived-By: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20261021110706.2947351-3-alan.tseng.cs@gmail.com> X-BeenThere: u-boot@lists.u-boot-project.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: U-Boot discussion List-Archive: List-Post: List-Help: List-Subscribe: , X-Spam-Status: No, score=-12.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FORGED_FROMDOMAIN, FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 On Wed, Oct 21, 2026 at 07:07:03PM +0800, Hung-Chun Tseng wrote: > The list of supported device types still only named network and block > devices. Turn it into a bulleted list, which is easier to extend, and > add the entropy, 9P and RTC devices. Also note that the virtio RTC > device needs QEMU v11.1.0 or later. > > Signed-off-by: Hung-Chun Tseng > Reviewed-by: Bin Meng > Reviewed-by: Simon Glass > --- > (no changes since v3) > > Changes in v3: > - Retitle from "doc: virtio: Mention the RTC device", as the patch > lists other devices too (Kuan-Wei) > - Turn the list of devices into a bulleted list (Kuan-Wei) > - Keep the Reviewed-by tags of Bin and Simon, as only the layout changed > > doc/develop/driver-model/virtio.rst | 10 +++++++++- Later in this same file under Development Flow still states: "At present only VirtIO network card (device ID 1) and block device (device ID 2) are supported." Let's update that section as well. Regards, Kuan-Wei > 1 file changed, 9 insertions(+), 1 deletion(-) > > diff --git a/doc/develop/driver-model/virtio.rst b/doc/develop/driver-model/virtio.rst > index e5da9f430..7b2f31b3d 100644 > --- a/doc/develop/driver-model/virtio.rst > +++ b/doc/develop/driver-model/virtio.rst > @@ -28,7 +28,13 @@ queues configuration and buffer transfers are nearly identical. Both MMIO > and PCI transport options are supported in U-Boot. > > The VirtIO spec defines a lots of VirtIO device types, however at present only > -network and block device, the most two commonly used devices, are supported. > +the following devices are supported. > + > + - network > + - block > + - entropy (rng) > + - 9P transport > + - RTC > > The following QEMU targets are supported. > > @@ -72,6 +78,8 @@ Requirements > ------------ > It is required that QEMU v2.5.0+ should be used to test U-Boot VirtIO support > on QEMU ARM and x86, and v2.12.0+ on QEMU RISC-V. > +The VirtIO RTC device (``-device virtio-rtc-pci`` or > +``-device virtio-rtc-device``) requires QEMU v11.1.0+. > > Testing > ------- > -- > 2.43.0 >