From nobody Tue Oct 7 20:00:43 2025 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.12]) (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 55C6D26560A for ; Mon, 7 Jul 2025 19:08:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.12 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751915300; cv=none; b=qGokossZnbzTqZhRExmwniIuxOTvgwJO6salee447AnAAZvmnNSgWg0VqBMrUrGEL509CIh/37nVeg4kkwNLLEpMMhuGcWqqGdp28/0Ucut0EfTbFEFtVUGscp2h2eg4RLSba/poqONqM4zw1y/Oztym21vL2PQWKnv+5ubmNhA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751915300; c=relaxed/simple; bh=u16CpbdUihPkyI+FiM2IX3TbeuU1zDLWDn5AwsQR/6k=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=B3C3tSE3CyQY6rPZ4jDy3QnKbY50DMEq5c22toVQY0jUzJ6QPzgmOC9ZLQE9tpZDcRuD+mvPh9ItoCSj6lILZHap31mjkTN5Ajc5puREirikgLf3rgzy+Zd5O3MPKyUNanHaaROHv+ILpXf0oRpLbzab07HAT29OT2cvQMmRIpU= 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=IYobiy45; arc=none smtp.client-ip=192.198.163.12 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="IYobiy45" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1751915299; x=1783451299; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=u16CpbdUihPkyI+FiM2IX3TbeuU1zDLWDn5AwsQR/6k=; b=IYobiy45fRSqhi9cRon4AVraUejDRtSqANUnE/BgGtar0c1a+zXUHqPd eHiaWT9dJyXLqu37QTnYQRZzh1LlOqEVMjE9b8QNqnnoEZFLjUgVda9OA A3eVYn3CCC6iL0VDozjKjM8ZX+52oOmslauGAOGS5dRtm5LhD5GpO2hXT I0lsO1EpmEYoCwElTuxIo/p0VHG4LSrHYAlRX3rtDoQN13QkOIDFgU52z gzVBG1NTSUDS/Kv0TFx8NuwRm3gWR/J20fBq+drNq2YYUUJpZQq5Zaj8c Ez48x297cjsuUJxsV3c6E1cwCDeiehsQWKHgGkzGwmi3QrOeO8avBaE/F A==; X-CSE-ConnectionGUID: tkN7zu4iTxCQqf9dMk3PUw== X-CSE-MsgGUID: ThD7dRwoQZqT+04sYosJAg== X-IronPort-AV: E=McAfee;i="6800,10657,11487"; a="57945662" X-IronPort-AV: E=Sophos;i="6.16,295,1744095600"; d="scan'208";a="57945662" Received: from orviesa010.jf.intel.com ([10.64.159.150]) by fmvoesa106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Jul 2025 12:08:19 -0700 X-CSE-ConnectionGUID: P5kTkzMqTCmC47UyZXoknQ== X-CSE-MsgGUID: KxMsyIbqQqS2ZpS0a7nZSw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.16,295,1744095600"; d="scan'208";a="154707419" 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; 07 Jul 2025 12:08:16 -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 1/9] mei: bus: add mei_cldev_mtu interface Date: Tue, 8 Jul 2025 00:42:29 +0530 Message-Id: <20250707191237.1782824-2-badal.nilawar@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250707191237.1782824-1-badal.nilawar@intel.com> References: <20250707191237.1782824-1-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