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{ "id": 23957, "url": "https://patchwork.libcamera.org/api/patches/23957/?format=api", "web_url": "https://patchwork.libcamera.org/patch/23957/", "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-v1-3-ea558291e101@ideasonboard.com>", "date": "2025-07-25T10:33:48", "name": "[3/9] include: linux: v4l2-subdev: Add SUBDEV_BIND_CONTEXT", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "8d7a96742e56c911f62a3a9024bac5b2b0dab916", "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/23957/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/23957/comments/", "check": "pending", "checks": "https://patchwork.libcamera.org/api/patches/23957/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 421D2C3237\n\tfor <parsemail@patchwork.libcamera.org>;\n\tFri, 25 Jul 2025 10:34:10 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 17B5C690CA;\n\tFri, 25 Jul 2025 12:34:04 +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 77F14690A6\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 A7F48C73;\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=\"FTwOeef2\"; dkim-atps=neutral", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1753439598;\n\tbh=THF0Kw9TXJ7PML3qqZjgbn6VWRx4chsRFzNQGGbndxc=;\n\th=From:Date:Subject:References:In-Reply-To:To:Cc:From;\n\tb=FTwOeef2Ut4UC9+1L8kW+dT+/mlv2ANP2iT8rUpCPBrTjjLuFkEW7/Aq5MpHAjr7Q\n\tY1D7kE40++uPWRwwa2GA/4yOU/1PmcejJgt7mco7JNwA+P+IqHENz9sHYReQls3W2D\n\tCL8bP2W+XoTDO5wOwYsRu8xKkkeSlHvN5MqD7JZo=", "From": "Jacopo Mondi <jacopo.mondi@ideasonboard.com>", "Date": "Fri, 25 Jul 2025 12:33:48 +0200", "Subject": "[PATCH 3/9] include: linux: v4l2-subdev: Add SUBDEV_BIND_CONTEXT", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=\"utf-8\"", "Content-Transfer-Encoding": "7bit", "Message-Id": "<20250725-multicontext-v1-3-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=1702;\n\ti=jacopo.mondi@ideasonboard.com; h=from:subject:message-id;\n\tbh=THF0Kw9TXJ7PML3qqZjgbn6VWRx4chsRFzNQGGbndxc=;\n\tb=owEBbQKS/ZANAwAKAXI0Bo8WoVY8AcsmYgBog12Tj+omHfCPgWR//IcQRAQW58uSQn+pFjzXA\n\toYpgX+EKUWJAjMEAAEKAB0WIQS1xD1IgJogio9YOMByNAaPFqFWPAUCaINdkwAKCRByNAaPFqFW\n\tPLxvEAC2DpJv30fCkZMOJ/fKL1ibWGzUvVXiWij7Lb9vr6+1iRZbHTlJqGpcGVcMElgABUjvOnP\n\tmoFQyjksJM5KF3mdarGqZULc0a50sBFoFCiolUxF6iw260ndJR2v7HYtWwM+zO5ObnbpMUUeN7o\n\t8yMh5NOIDdotX3EogpDATCX5yvCPbR+cVEMuba2w1CN4O+mFauhEDS1hwu66+5dRrHIltWU5/O+\n\tImfLGGRLAdDdsHTAsDeQkcj23Ly91ELlbC1EI0Es4bQtcYFZMqsxrfspPUyxkmsoU3yQHfWc5so\n\tMUuEmFRyOF1uT97knAyyLdCV6ti6G8poU5zsyPCNy0i1tjBjdpiF3NDuNgmB/XsrNvSCRayF08k\n\txkueO6QnS41pRi8z5qIPZY+KKXtOCXa21rx/nmw3xEhkC87BiIHpJOrtO/3y3Wy+a7EIQWBg4cI\n\t7Rjg5XGTssJihn+xa7k31sStRoKGNGwP4fwIY6xEwLEQnHKUmYlVsJJSGa6B95Gp2XArXWw8m1R\n\tKkcvfL6xT3a8lp6auqaUGOy+YoH9pX2c+k2iMpE65Vitup5kvbLTRt59OGsiguMgYr+yX3Czbht\n\tNi/okIOrBNsAQk4hniuiI5MwX3JORblwMHfinPysQ+V0ug/VJTM4lI2riDuEBywvoN34QhtZryV\n\tbW3jyBGJ5c7P7vQ==", "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-v2-13-c9b316773486@ideasonboard.com/\n\nSigned-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>\n---\n include/linux/v4l2-subdev.h | 11 +++++++++++\n 1 file changed, 11 insertions(+)", "diff": "diff --git a/include/linux/v4l2-subdev.h b/include/linux/v4l2-subdev.h\nindex 839b1329afb259c96551cf76e9186bcb3229554a..9234a4cfc20a866840348224425948f3aa6d5d63 100644\n--- a/include/linux/v4l2-subdev.h\n+++ b/include/linux/v4l2-subdev.h\n@@ -248,6 +248,16 @@ struct v4l2_subdev_routing {\n \t__u32 reserved[11];\n };\n \n+/**\n+ * struct v4l2_subdev_bind_context - Subdev context information\n+ *\n+ * @context_fd: The file descriptor of the media_device instance the subdevice\n+ *\t\thas to be bound to\n+ */\n+struct v4l2_subdev_bind_context {\n+\t__u32 context_fd;\n+};\n+\n /*\n * The client is aware of streams. Setting this flag enables the use of 'stream'\n * fields (referring to the stream number) with various ioctls. If this is not\n@@ -290,6 +300,7 @@ struct v4l2_subdev_client_capability {\n #define VIDIOC_SUBDEV_S_SELECTION\t\t_IOWR('V', 62, struct v4l2_subdev_selection)\n #define VIDIOC_SUBDEV_G_ROUTING\t\t\t_IOWR('V', 38, struct v4l2_subdev_routing)\n #define VIDIOC_SUBDEV_S_ROUTING\t\t\t_IOWR('V', 39, struct v4l2_subdev_routing)\n+#define VIDIOC_SUBDEV_BIND_CONTEXT\t\t_IOWR('V', 50, struct v4l2_subdev_bind_context)\n #define VIDIOC_SUBDEV_G_CLIENT_CAP\t\t_IOR('V', 101, struct v4l2_subdev_client_capability)\n #define VIDIOC_SUBDEV_S_CLIENT_CAP\t\t_IOWR('V', 102, struct v4l2_subdev_client_capability)\n \n", "prefixes": [ "3/9" ] }