From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id BA38FC71157 for ; Wed, 18 Jun 2025 18:56:40 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id D8E4A10E914; Wed, 18 Jun 2025 18:56:38 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="hZ3D7c+o"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.20]) by gabe.freedesktop.org (Postfix) with ESMTPS id 1355610E915; Wed, 18 Jun 2025 18:56:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1750272995; x=1781808995; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=u16CpbdUihPkyI+FiM2IX3TbeuU1zDLWDn5AwsQR/6k=; b=hZ3D7c+ob4cfFBexFyla9MwMjThUzzoSr/TJrD/71/KwiMOVcqU4MwLU f1L0KUFxuoNw0ey4qGozywDIzVRXirQ2E2V5ym8qHOGlTEkJY2A06zR3Y Dvzvg5cbFkJfCjFo5T/UlPPUW/y613EY9iJ47fvmoybESCgqNIlAS8/q9 ai3iRlcIH7trv7BnO9ARGWgRKMoWkk1JBhBLO7Ki0F702clumICnW7xxV Mn5eh6M2z4OcN4FnSFDQZ/HmnEfsBUovqx45N6wDjL++8T7tNuH6a3rqE HumOW3UfllSDBRElh0MQYGSw/twEQ9oEArMI9i7ajN0/BYuKZIA/5HoVp A==; X-CSE-ConnectionGUID: 32Y9IL6qSgeRp6dedpw+PA== X-CSE-MsgGUID: h0Mvuou0SkCsfRkHY6ZYwg== X-IronPort-AV: E=McAfee;i="6800,10657,11468"; a="52210179" X-IronPort-AV: E=Sophos;i="6.16,246,1744095600"; d="scan'208";a="52210179" Received: from fmviesa003.fm.intel.com ([10.60.135.143]) by orvoesa112.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Jun 2025 11:56:34 -0700 X-CSE-ConnectionGUID: ZUW7eUecT9SOJ6zvb+6VbQ== X-CSE-MsgGUID: qWtzsz77ROiLCoditM3w/Q== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.16,246,1744095600"; d="scan'208";a="153951464" Received: from unknown (HELO bnilawar-desk2.iind.intel.com) ([10.190.239.41]) by fmviesa003-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Jun 2025 11:56:32 -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, jgg@nvidia.com Subject: [PATCH v3 01/10] mei: bus: add mei_cldev_mtu interface Date: Thu, 19 Jun 2025 00:29:58 +0530 Message-Id: <20250618190007.2932322-2-badal.nilawar@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250618190007.2932322-1-badal.nilawar@intel.com> References: <20250618190007.2932322-1-badal.nilawar@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" 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); +/** + * 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 *cldev, mei_cldev_cb_t notif_cb); u8 mei_cldev_ver(const struct mei_cl_device *cldev); +size_t mei_cldev_mtu(const struct mei_cl_device *cldev); void *mei_cldev_get_drvdata(const struct mei_cl_device *cldev); void mei_cldev_set_drvdata(struct mei_cl_device *cldev, void *data); -- 2.34.1