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 D0224C3ABAB for ; Tue, 29 Apr 2025 16:08:01 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 0A78C10E445; Tue, 29 Apr 2025 16:08:01 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="LvVn+2zU"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.17]) by gabe.freedesktop.org (Postfix) with ESMTPS id D278510E445; Tue, 29 Apr 2025 16:07:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1745942880; x=1777478880; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=FyZf7yFNbcExMMtTDve0Lfo+9T8j+1C0EIDfujfPUy0=; b=LvVn+2zUxtvdqLiCg9BoxLX+NtH6nmNjw0BDkxPZa9puFMGr+iGmPKty Ig4oS3Jn5DPbSw8vVIQJo9zG2xsbzMlcL9xl7BUVYbfkg3558HgoizUdq RYQ8VpElklQXWPDdqkp/nsGQl5C6ZWvJufk+VMaWI5Bp/1T6h3iStFVm9 UWI3gXrcI20x14aPdpRvEcZNYW5OJoPydkaHc59HM1zJQ5k2dfo5yny1a qblm4h6y2pw+2DGfpKQbNT99isnWzagOoTpwBULqy6gvanaZWk4q8j0T0 MCObEd2cmXs8LjWSRU4+11/ENC1DS2MpVmbSo3b+hqY20vf6GPwKluJiw w==; X-CSE-ConnectionGUID: UsTdNbNVRiCYz32iw+LhBg== X-CSE-MsgGUID: ovJ1BpWxT5WIgecjoJUHyA== X-IronPort-AV: E=McAfee;i="6700,10204,11418"; a="47585440" X-IronPort-AV: E=Sophos;i="6.15,249,1739865600"; d="scan'208";a="47585440" Received: from orviesa005.jf.intel.com ([10.64.159.145]) by orvoesa109.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Apr 2025 09:07:57 -0700 X-CSE-ConnectionGUID: Y7AMRc/qQjidyyNRa2gl+A== X-CSE-MsgGUID: O485faE3QqevMb2Q4d1lJA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.15,249,1739865600"; d="scan'208";a="139055899" Received: from unknown (HELO bnilawar-desk2.iind.intel.com) ([10.190.239.41]) by orviesa005-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Apr 2025 09:07:54 -0700 From: Badal Nilawar To: intel-xe@lists.freedesktop.org, dri-devel@lists.freedesktop.org Cc: anshuman.gupta@intel.com, rodrigo.vivi@intel.com, alexander.usyskin@intel.com, gregkh@linuxfoundation.org, daniele.ceraolospurio@intel.com Subject: [RFC 1/9] mei: bus: add mei_cldev_mtu interface Date: Tue, 29 Apr 2025 21:39:48 +0530 Message-Id: <20250429160956.1014376-2-badal.nilawar@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250429160956.1014376-1-badal.nilawar@intel.com> References: <20250429160956.1014376-1-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 --- 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