From nobody Wed Oct 8 02:01:44 2025 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.12]) (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 A742E2F3628 for ; Thu, 3 Jul 2025 19:26:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.12 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751570809; cv=none; b=pFbtwoAzVP6mmfZgIKmp/vVXFm8MIiTzH07rcztkXpSlon3ECrD7JxTZzSqJHOScmVaUrIQYUE5G9mA9d+yGW2SmID++bt+2DJxAgNeGZT7qBrmbnFEIDRErQ5BkEUe0yThWBZWk4KPWQNVT2QlEzhSKScQ/G7kSZdQ6uPWbRMA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751570809; c=relaxed/simple; bh=u16CpbdUihPkyI+FiM2IX3TbeuU1zDLWDn5AwsQR/6k=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=FtZxSMF/6LHc1v47IMLX1mfHtlPStTk+/ee9xPMdleEFUXfqpReahaYnPFNnGnJ+qnwpkpGcbfb/7gn5TenOyCIyII6bA7jvZH8iqCPHMpFcaj7kiSUut8ncqJz/PpiEhqGP0LkiO3aQ4/ABWGimYfP62yUlg26tWl/QYH9Oogs= 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=S999c0lc; arc=none smtp.client-ip=198.175.65.12 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="S999c0lc" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1751570807; x=1783106807; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=u16CpbdUihPkyI+FiM2IX3TbeuU1zDLWDn5AwsQR/6k=; b=S999c0lcDZZc29PCMqtKooVbvQJb6SpOr89B0dDMZdiT1iWjDY+/2vZ7 8Wh3HzULtxc0VqOI2qfLLt+8cNy/rAh4axbX6Vjy6r7Ee3LzSWQUpUz7L KdU/EoOg8KNh9d10TmGbtGEIUQI0Vb5U2a/PfJCci/aKzN1AUG0FX5YrY TFEOnzRIxBkADtSGveeUTyCQuwodwtdo5SpuYt70x5NIoPNsAfC0OXe/r 6HD24Rd1aLE17X9FrHK2Pr4lF8WJoa8tiOL7yojElnNlLH0qTATZq9Qe/ bHQlZN2DJ4TAWkxONQoDFHrI/+JNvpsTVmQxqr5/TNkryMjkpyxP9wJZb w==; X-CSE-ConnectionGUID: YAQJtXPZRHaG1/oV5Z7f6w== X-CSE-MsgGUID: M8Shs3FfR3aE+VhEm0fkaQ== X-IronPort-AV: E=McAfee;i="6800,10657,11483"; a="65361990" X-IronPort-AV: E=Sophos;i="6.16,285,1744095600"; d="scan'208";a="65361990" Received: from orviesa001.jf.intel.com ([10.64.159.141]) by orvoesa104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Jul 2025 12:26:47 -0700 X-CSE-ConnectionGUID: l5Hkqx0CQ3Kg+8Fq+D9G/A== X-CSE-MsgGUID: 1u6PebRgQH+HHXvXOPP7KA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.16,285,1744095600"; d="scan'208";a="191624625" Received: from unknown (HELO bnilawar-desk2.iind.intel.com) ([10.190.239.41]) by smtpauth.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Jul 2025 12:26:46 -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 v6 01/10] mei: bus: add mei_cldev_mtu interface Date: Fri, 4 Jul 2025 01:00:57 +0530 Message-Id: <20250703193106.954536-2-badal.nilawar@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250703193106.954536-1-badal.nilawar@intel.com> References: <20250703193106.954536-1-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