From nobody Wed Oct 8 00:28:40 2025 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.14]) (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 AA2541474CC for ; Fri, 4 Jul 2025 16:46:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.14 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751647581; cv=none; b=QeoVe1apUct/1mfSkaFhiKBlxUayvpZ6/riK9mcoyfJLW4zuY1zZuzhdqZyIVMHcRUZdJfySzDq++bt4oFuL0qmFkd86QwWjL6+Ox78sbpnNuZFDYcscpgRsQ4hCah5NpYn6ncMswbx9dPyhwL6QVzLfq5Z4wsx1oNnohIrVZrw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751647581; c=relaxed/simple; bh=u16CpbdUihPkyI+FiM2IX3TbeuU1zDLWDn5AwsQR/6k=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=DMgFmt2ai1QrX8hYwAq27MEjbq8EdBu7FWAGw8jMDFfkteLIFwvg55iKTZ8zaiFvqzrENYKu8ztEz6fzg4T5G3VPVpmyrH3+h8ThsNeyA6154xQYlIidqrrc7kJYYRY0dr6owo4AGu/0jPz0M2iKff0HtN2OkwMWYw/e1JcHIvY= 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=TsjTiVDT; arc=none smtp.client-ip=198.175.65.14 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="TsjTiVDT" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1751647580; x=1783183580; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=u16CpbdUihPkyI+FiM2IX3TbeuU1zDLWDn5AwsQR/6k=; b=TsjTiVDTO4AEOlSGAQoNqf8ImD1q1IjealEnHmVXU5kMmM6ENIo2UgY4 W2drkSV7TNM9PvimSrBKv8FeE1OIBSj6Tfqxq6slOioZqNQcaV+zcDIg8 3uNoIZg+KvRn6vZPJ17hRRjx0zDuNL+JcGWeMSzUfdJKyGGUS2fOgyA8g 9duNsOwKvPkb9xV+hT71dSmnuvEMYalhM/s73uKv3lskNg6ORgOfzH5KQ boDF3LkIrl/XT/FFfIo12h4ELqXXDUlLxz5UofMg2zpDavrVsGakfQ3Ec T5sGZBojHHIZ420cNAzCR1r2CWLJbH+PGs0SiTh4PmkadxjJ65wS0dkRM g==; X-CSE-ConnectionGUID: PGJ1+Q9FRjSRVnUq8j3iBw== X-CSE-MsgGUID: lGP0LSFvSies9ILlefkPwA== X-IronPort-AV: E=McAfee;i="6800,10657,11484"; a="57755770" X-IronPort-AV: E=Sophos;i="6.16,287,1744095600"; d="scan'208";a="57755770" Received: from orviesa009.jf.intel.com ([10.64.159.149]) by orvoesa106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Jul 2025 09:46:19 -0700 X-CSE-ConnectionGUID: W4XzUv8NSvGG0fXElUV+Pg== X-CSE-MsgGUID: TMdJP0YORbSbRW7hgD+ndQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.16,287,1744095600"; d="scan'208";a="154424665" Received: from unknown (HELO bnilawar-desk2.iind.intel.com) ([10.190.239.41]) by orviesa009-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Jul 2025 09:46:17 -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 v7 01/10] mei: bus: add mei_cldev_mtu interface Date: Fri, 4 Jul 2025 22:20:29 +0530 Message-Id: <20250704165038.1464460-2-badal.nilawar@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250704165038.1464460-1-badal.nilawar@intel.com> References: <20250704165038.1464460-1-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