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{ "id": 23956, "url": "https://patchwork.libcamera.org/api/patches/23956/?format=api", "web_url": "https://patchwork.libcamera.org/patch/23956/", "project": { "id": 1, "url": "https://patchwork.libcamera.org/api/projects/1/?format=api", "name": "libcamera", "link_name": "libcamera", "list_id": "libcamera_core", "list_email": "libcamera-devel@lists.libcamera.org", "web_url": "", "scm_url": "", "webscm_url": "" }, "msgid": "<20250725-multicontext-v1-2-ea558291e101@ideasonboard.com>", "date": "2025-07-25T10:33:47", "name": "[2/9] include: linux: videodev2: Add BIND_CONTEXT", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "ca394181c14285a2aa20b4573548f2176e9da391", "submitter": { "id": 143, "url": "https://patchwork.libcamera.org/api/people/143/?format=api", "name": "Jacopo Mondi", "email": "jacopo.mondi@ideasonboard.com" }, "delegate": null, "mbox": "https://patchwork.libcamera.org/patch/23956/mbox/", "series": [ { "id": 5329, "url": "https://patchwork.libcamera.org/api/series/5329/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=5329", "date": "2025-07-25T10:33:45", "name": "libcamera: Support for multi-context operations", "version": 1, "mbox": "https://patchwork.libcamera.org/series/5329/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/patches/23956/comments/", "check": "pending", "checks": "https://patchwork.libcamera.org/api/patches/23956/checks/", "tags": {}, "headers": { "Return-Path": "<libcamera-devel-bounces@lists.libcamera.org>", "X-Original-To": "parsemail@patchwork.libcamera.org", "Delivered-To": "parsemail@patchwork.libcamera.org", "Received": [ "from lancelot.ideasonboard.com (lancelot.ideasonboard.com\n\t[92.243.16.209])\n\tby patchwork.libcamera.org (Postfix) with ESMTPS id 2B70BC3237\n\tfor <parsemail@patchwork.libcamera.org>;\n\tFri, 25 Jul 2025 10:34:08 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 96BB1690A8;\n\tFri, 25 Jul 2025 12:34:01 +0200 (CEST)", "from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[IPv6:2001:4b98:dc2:55:216:3eff:fef7:d647])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 0D5ED69071\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tFri, 25 Jul 2025 12:33:58 +0200 (CEST)", "from [192.168.0.172] (mob-5-90-139-29.net.vodafone.it\n\t[5.90.139.29])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id 4CFD578E;\n\tFri, 25 Jul 2025 12:33:18 +0200 (CEST)" ], "Authentication-Results": "lancelot.ideasonboard.com; dkim=pass (1024-bit key;\n\tunprotected) header.d=ideasonboard.com header.i=@ideasonboard.com\n\theader.b=\"qcbQasQT\"; dkim-atps=neutral", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1753439598;\n\tbh=Z2/WtdDONORQH89nZEXPQ2EnQzqm68lnaSQvjcasAW4=;\n\th=From:Date:Subject:References:In-Reply-To:To:Cc:From;\n\tb=qcbQasQT15D3rIqEZ03q0aWvOkyp2cKM1PLatmoxChOLzg7Ja7tsjvwT4PRJca2Bn\n\tMfPvxJxluMAzj1a1QYkHa+rQBWaU3F3EyuRC9dH3Yv+PjgE1jSkDrNgqXoYQ0FYrY4\n\tHnDjbWebFtT1A4feHVsNvnynnRZOx1yQ3ySYulmI=", "From": "Jacopo Mondi <jacopo.mondi@ideasonboard.com>", "Date": "Fri, 25 Jul 2025 12:33:47 +0200", "Subject": "[PATCH 2/9] include: linux: videodev2: Add BIND_CONTEXT", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=\"utf-8\"", "Content-Transfer-Encoding": "7bit", "Message-Id": "<20250725-multicontext-v1-2-ea558291e101@ideasonboard.com>", "References": "<20250725-multicontext-v1-0-ea558291e101@ideasonboard.com>", "In-Reply-To": "<20250725-multicontext-v1-0-ea558291e101@ideasonboard.com>", "To": "libcamera-devel@lists.libcamera.org", "Cc": "Jacopo Mondi <jacopo.mondi@ideasonboard.com>", "X-Mailer": "b4 0.14.2", "X-Developer-Signature": "v=1; a=openpgp-sha256; l=1306;\n\ti=jacopo.mondi@ideasonboard.com; h=from:subject:message-id;\n\tbh=Z2/WtdDONORQH89nZEXPQ2EnQzqm68lnaSQvjcasAW4=;\n\tb=owEBbQKS/ZANAwAKAXI0Bo8WoVY8AcsmYgBog12TFVED8n7/x4tTZbt5cQQds/8hpR05Hh5iu\n\tnPBdNsrMKWJAjMEAAEKAB0WIQS1xD1IgJogio9YOMByNAaPFqFWPAUCaINdkwAKCRByNAaPFqFW\n\tPKGsD/9TJvkqAgYHmli22CVhs0d4brShFAi7e1Io7B+a+lds4drx4qHGEob+Wpr92GiUaTwZ/9x\n\tmaYqvgYCr39MpFSgfb7y25Ul6Yhdt5OZ/iVPQXZIzqpHbuqWIa3cdtHcolWHhuARJe5M9bFMHig\n\t/NNA3X90DYJFsAjLemkq5uu5NViwHsoSyJWHWECV14qZMk4zyrJlTgXSqJdHezMymNeOZfYI7/8\n\tGsbNLMzdQVg2jyumQiR5f4hNQPwveWG/mq5khEtoNqFWf7sI1FiHy9lVg+xsb39OMXuyb39Gfmx\n\tWaqe/ST6Rl6VT32kGir08pISeU7toCn3HjsysfuyJAjEsK54sY1HbpJlUJtUD7qiyc7VzPgvMdU\n\tE+nTWNIKCzbEtGyeAySudHBmNJxiyaaH33jd/T6U2485Q8y9XX53LQPDEJQZk0dv6Lq/0LWgSbE\n\tG8H6con49+UlZYhRp+k/wHQt8+bYZ9iYCIzL7CRSipiCHOZbefJ1ZtLPnQGgXmrcM+8JpmI8NrN\n\tthYZTQ7MlsIuayDITDU1Vl75NCZCdjr2XjqTfUrAFRMqfg5auIUZEon1YVLI/fSiGsrodxal2Rc\n\tzOIZa8I+SciSf8Hx2gl+Lv9d5b0IQy+FvCfzG+CQvDc5Jk9C4QE4/W8aqw9qsEHrt3Af2i4e+Jp\n\tGalnnYpqgDuBbYA==", "X-Developer-Key": "i=jacopo.mondi@ideasonboard.com; a=openpgp;\n\tfpr=72392EDC88144A65C701EA9BA5826A2587AD026B", "X-BeenThere": "libcamera-devel@lists.libcamera.org", "X-Mailman-Version": "2.1.29", "Precedence": "list", "List-Id": "<libcamera-devel.lists.libcamera.org>", "List-Unsubscribe": "<https://lists.libcamera.org/options/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=unsubscribe>", "List-Archive": "<https://lists.libcamera.org/pipermail/libcamera-devel/>", "List-Post": "<mailto:libcamera-devel@lists.libcamera.org>", "List-Help": "<mailto:libcamera-devel-request@lists.libcamera.org?subject=help>", "List-Subscribe": "<https://lists.libcamera.org/listinfo/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=subscribe>", "Errors-To": "libcamera-devel-bounces@lists.libcamera.org", "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>" }, "content": "Temporary update the media.h header from Linux kernel using the flags\nintroduced by:\nhttps://patchwork.linuxtv.org/project/linux-media/patch/20250724-multicontext-mainline-2025-v2-6-c9b316773486@ideasonboard.com/\n\nSigned-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>\n---\n include/linux/videodev2.h | 10 ++++++++++\n 1 file changed, 10 insertions(+)", "diff": "diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h\nindex 317d063a7e2bf5c54b01b8c2328a1857dc2f6fc3..3025db045572a867b1da12b26da703a31d1dd453 100644\n--- a/include/linux/videodev2.h\n+++ b/include/linux/videodev2.h\n@@ -1011,6 +1011,14 @@ struct v4l2_jpegcompression {\n \t\t\t\t\t* always use APP0 */\n };\n \n+/*\n+ * V I D E O D E V I C E C O N T E X T\n+ */\n+\n+struct v4l2_context {\n+\t__u32 context_fd;\n+};\n+\n /*\n *\tM E M O R Y - M A P P I N G B U F F E R S\n */\n@@ -2733,6 +2741,8 @@ struct v4l2_remove_buffers {\n #define VIDIOC_QUERY_EXT_CTRL\t_IOWR('V', 103, struct v4l2_query_ext_ctrl)\n #define VIDIOC_REMOVE_BUFS\t_IOWR('V', 104, struct v4l2_remove_buffers)\n \n+/* Context handling */\n+#define VIDIOC_BIND_CONTEXT\t_IOW('V', 105, struct v4l2_context)\n \n /* Reminder: when adding new ioctls please add support for them to\n drivers/media/v4l2-core/v4l2-compat-ioctl32.c as well! */\n", "prefixes": [ "2/9" ] }