From nobody Wed Oct 8 19:21:34 2025 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.14]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8F74F2E06D1 for ; Wed, 25 Jun 2025 16:56:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.14 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750870605; cv=none; b=nzMHyrfPbq4ATTvV08+z3XYzjAoOMCIsIanw8D88OC12Vcyyy62aPQATlA4RqqZ2sLJ2I8hvRvZlKwnroL/KMib3r1k6nifyj4d+wtVZMg/epBRFW0nwyIpuvgTBMqg1p0JWP/F3Rjnf2u6AJjNXwVGUX2o7EYYV3UgmeuwEqNE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750870605; c=relaxed/simple; bh=u16CpbdUihPkyI+FiM2IX3TbeuU1zDLWDn5AwsQR/6k=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=aXOrv2KB3GwRj45LiCZFUeEiqZkhHGA4+ThVpuNCdw4xfJgD/702nNie+TSuoUZ1prl2w6/LNRXl6fQF0Aalt6gHERwHpXVt+h/POSPQd3B/OgkKp6bUoE0seoHcsgU2YZZaHCfOPIwxdqvvC0d4EgR+a8c0mQj2zEzSfcRz92w= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=EdsUOa00; arc=none smtp.client-ip=192.198.163.14 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="EdsUOa00" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1750870603; x=1782406603; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=u16CpbdUihPkyI+FiM2IX3TbeuU1zDLWDn5AwsQR/6k=; b=EdsUOa00BCP7pH6sJfoEj8cKxFjfo7fbCO8vM3f4HSOAJyTiCKybQ8oA laDwHKeRrpQQfO548BbswChV/sjHHHcS0ZfQ9un/pBcovPgzRFDxnLxmf DImaIU2HEyOVc4HmCCJo8T0bswnADD8pQLdCPFPqSL2bYFrkQq/ldxroV fc+OxI/jjmpic5JPpv+2YIyXx+ugLzW0XP+YjPW4+3c68gLZhtWs9d5pa UiK2MAYYrSw3mF1uJupYcH3B9OySZSxNIJ/0nPiC6n/8IvKGrR9yMR9LQ PPAUAwXsnfRiMsIG1dD3Z9QkFqkKNJ+vZz1zFt7noTkLESqb2r6G7z+Xi Q==; X-CSE-ConnectionGUID: Q6eegpc3S3aw2Gdi6dlvLg== X-CSE-MsgGUID: +3XkmrSWRfW/WSqvhtZnmw== X-IronPort-AV: E=McAfee;i="6800,10657,11475"; a="53214424" X-IronPort-AV: E=Sophos;i="6.16,265,1744095600"; d="scan'208";a="53214424" Received: from orviesa010.jf.intel.com ([10.64.159.150]) by fmvoesa108.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Jun 2025 09:56:43 -0700 X-CSE-ConnectionGUID: i0R0NCMXTtqsoC6VR/6eAw== X-CSE-MsgGUID: aSvDYzgdT/e8bl4rXIPAfQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.16,265,1744095600"; d="scan'208";a="151696609" Received: from unknown (HELO bnilawar-desk2.iind.intel.com) ([10.190.239.41]) by orviesa010-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Jun 2025 09:56:40 -0700 From: Badal Nilawar To: intel-xe@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Cc: anshuman.gupta@intel.com, rodrigo.vivi@intel.com, alexander.usyskin@intel.com, gregkh@linuxfoundation.org, daniele.ceraolospurio@intel.com Subject: [PATCH v4 01/10] mei: bus: add mei_cldev_mtu interface Date: Wed, 25 Jun 2025 22:30:06 +0530 Message-Id: <20250625170015.33912-2-badal.nilawar@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250625170015.33912-1-badal.nilawar@intel.com> References: <20250625170015.33912-1-badal.nilawar@intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Alexander Usyskin Allow to bus client to obtain client mtu. Signed-off-by: Alexander Usyskin Signed-off-by: Badal Nilawar Reviewed-by: Umesh Nerlige Ramappa --- drivers/misc/mei/bus.c | 13 +++++++++++++ include/linux/mei_cl_bus.h | 1 + 2 files changed, 14 insertions(+) diff --git a/drivers/misc/mei/bus.c b/drivers/misc/mei/bus.c index 67176caf5416..f860b1b6eda0 100644 --- a/drivers/misc/mei/bus.c +++ b/drivers/misc/mei/bus.c @@ -614,6 +614,19 @@ u8 mei_cldev_ver(const struct mei_cl_device *cldev) } EXPORT_SYMBOL_GPL(mei_cldev_ver); =20 +/** + * mei_cldev_mtu - max message that client can send and receive + * + * @cldev: mei client device + * + * Return: mtu or 0 if client is not connected + */ +size_t mei_cldev_mtu(const struct mei_cl_device *cldev) +{ + return mei_cl_mtu(cldev->cl); +} +EXPORT_SYMBOL_GPL(mei_cldev_mtu); + /** * mei_cldev_enabled - check whether the device is enabled * diff --git a/include/linux/mei_cl_bus.h b/include/linux/mei_cl_bus.h index 725fd7727422..a82755e1fc40 100644 --- a/include/linux/mei_cl_bus.h +++ b/include/linux/mei_cl_bus.h @@ -113,6 +113,7 @@ int mei_cldev_register_notif_cb(struct mei_cl_device *c= ldev, mei_cldev_cb_t notif_cb); =20 u8 mei_cldev_ver(const struct mei_cl_device *cldev); +size_t mei_cldev_mtu(const struct mei_cl_device *cldev); =20 void *mei_cldev_get_drvdata(const struct mei_cl_device *cldev); void mei_cldev_set_drvdata(struct mei_cl_device *cldev, void *data); --=20 2.34.1