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Mon, 18 May 2026 12:49:20 -0700 (PDT) Received: from draig.lan ([185.124.0.195]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-45d9e768c4fsm39693646f8f.8.2026.05.18.12.49.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 18 May 2026 12:49:19 -0700 (PDT) Received: from draig (localhost [IPv6:::1]) by draig.lan (Postfix) with ESMTP id D81045F7B1; Mon, 18 May 2026 20:49:18 +0100 (BST) From: =?utf-8?Q?Alex_Benn=C3=A9e?= To: Lucas Amaral Cc: qemu-devel@nongnu.org, qemu-arm@nongnu.org, dmitry.osipenko@collabora.com, marcandre.lureau@redhat.com, visitorckw@gmail.com Subject: Re: [PATCH v5 2/4] virtio-gpu: add VIRTIO_GPU_F_BLOB_ALIGNMENT header definitions In-Reply-To: <20260317182049.33848-3-lucaaamaral@gmail.com> (Lucas Amaral's message of "Tue, 17 Mar 2026 15:20:47 -0300") References: <20260317182049.33848-1-lucaaamaral@gmail.com> <20260317182049.33848-3-lucaaamaral@gmail.com> User-Agent: mu4e 1.14.1; emacs 30.1 Date: Mon, 18 May 2026 20:49:18 +0100 Message-ID: <87bjeccxc1.fsf@draig.linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Received-SPF: pass client-ip=2a00:1450:4864:20::431; envelope-from=alex.bennee@linaro.org; helo=mail-wr1-x431.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-arm@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-arm-bounces+qemu-arm=archiver.kernel.org@nongnu.org Sender: qemu-arm-bounces+qemu-arm=archiver.kernel.org@nongnu.org Lucas Amaral writes: > Define VIRTIO_GPU_F_BLOB_ALIGNMENT (feature bit 5) and the > blob_alignment field in virtio_gpu_config per the OASIS virtio > specification. > > Signed-off-by: Lucas Amaral > --- > include/standard-headers/linux/virtio_gpu.h | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/include/standard-headers/linux/virtio_gpu.h b/include/standa= rd-headers/linux/virtio_gpu.h > index 00cd3f04..252704e7 100644 > --- a/include/standard-headers/linux/virtio_gpu.h > +++ b/include/standard-headers/linux/virtio_gpu.h > @@ -64,6 +64,11 @@ > * context_init and multiple timelines > */ > #define VIRTIO_GPU_F_CONTEXT_INIT 4 > +/* > + * VIRTIO_GPU_F_BLOB_ALIGNMENT: device advertises blob_alignment > + * in virtio_gpu_config (OASIS virtio-spec feature bit 5) > + */ > +#define VIRTIO_GPU_F_BLOB_ALIGNMENT 5 What kernel version does this symbol get added in? I can't see it in 7.0 Headers should be imported with the scripts/update-linux-headers.sh script, see 49f6b93d075 (linux-headers: Update to Linux v6.19-rc1) for an example. >=20=20 > enum virtio_gpu_ctrl_type { > VIRTIO_GPU_UNDEFINED =3D 0, > @@ -365,6 +370,7 @@ struct virtio_gpu_config { > uint32_t events_clear; > uint32_t num_scanouts; > uint32_t num_capsets; > + uint32_t blob_alignment; > }; >=20=20 > /* simple formats for fbcon/X use */ --=20 Alex Benn=C3=A9e Virtualisation Tech Lead @ Linaro