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 3630FCEBF9A for ; Mon, 17 Nov 2025 10:49:24 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id E277210E03A; Mon, 17 Nov 2025 10:49:23 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="Net360qt"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.17]) by gabe.freedesktop.org (Postfix) with ESMTPS id 0A24510E03A for ; Mon, 17 Nov 2025 10:49:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1763376563; x=1794912563; h=from:date:subject:mime-version:content-transfer-encoding: message-id:references:in-reply-to:to:cc; bh=XKUt8QJuKjsoT6oJdIetYClT2ZkaF6xMxbXEvXMqjt0=; b=Net360qtnAjsEFPh4F7X9ZlumNLWMtUrSWFVJtHcnIIlVAAZmL2UFiNt 7LFYHaDuDgjvvJHGaO7EmPazp/syktNkMPWrM3Dxi0SCDf7CR+29crVhY p5WuF+j2v+ZKtmmIFKSYBeqvxg5SsuMr8JACbq5eAafqcW70x341sl+fD eIEY2bOGOMtPD/k0XSqIhvhovNMvA0uqrGBrIkVkkl7StUFl63K3hBT7l l8NsqeeFr98xo8cdpdPOR2Phq6eCy9D3xbFmNAbwncUZ9ikiYurjiHtec eT1n361aC2neqBg8E5AFOE+ikLyXJqxKhhArhR3cdINOaJV/mXz4WITYl A==; X-CSE-ConnectionGUID: HSKb96ytSiCONKW23Gg8kw== X-CSE-MsgGUID: 0jqEU7bdQC6b6pdogYQLoA== X-IronPort-AV: E=McAfee;i="6800,10657,11615"; a="65306104" X-IronPort-AV: E=Sophos;i="6.19,311,1754982000"; d="scan'208";a="65306104" Received: from fmviesa002.fm.intel.com ([10.60.135.142]) by orvoesa109.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Nov 2025 02:49:23 -0800 X-CSE-ConnectionGUID: zg4NAdiJRBaiXU5gMUxqRQ== X-CSE-MsgGUID: eGtW/hT+SW61O82M7P4buw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,311,1754982000"; d="scan'208";a="213817995" Received: from lab-ah.igk.intel.com (HELO [127.0.1.1]) ([10.211.135.228]) by fmviesa002-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Nov 2025 02:49:20 -0800 From: Andrzej Hajda Date: Mon, 17 Nov 2025 11:47:43 +0100 Subject: [PATCH v3 5/8] lib/xe/xe_query: introduce iterator for GT topology masks MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20251117-xe_query_helpers-v3-5-25d984ae58cb@intel.com> References: <20251117-xe_query_helpers-v3-0-25d984ae58cb@intel.com> In-Reply-To: <20251117-xe_query_helpers-v3-0-25d984ae58cb@intel.com> To: igt-dev@lists.freedesktop.org Cc: Kamil Konieczny , Priyanka Dandamudi , Gwan-gyeong Mun , =?utf-8?q?Piotr_Pi=C3=B3rkowski?= , Christoph Manszewski , Andrzej Hajda X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=1234; i=andrzej.hajda@intel.com; h=from:subject:message-id; bh=XKUt8QJuKjsoT6oJdIetYClT2ZkaF6xMxbXEvXMqjt0=; b=owEB7QES/pANAwAKASNispPeEP3XAcsmYgBpGv1krBgMYbzYMbR0rwCYjQapkZREOA4dXaeby rX34Yt6xyCJAbMEAAEKAB0WIQT8qEQxNN2/XeF/A00jYrKT3hD91wUCaRr9ZAAKCRAjYrKT3hD9 19vdDACdMGKKUVyjqlLnbSLccLVowcJSJVrASxFcozesuy7XDdZKBYgK29+xTDOCj5L3vEnbowz YoTP+zSxmojnhLyXX/FxiMvlDUZs0ZYvzYizPylom/YtpGSoJt/rlJ7FPmZfXQ2kdsoDy3HYsiM KCnl4QSXNpytSXth042VJZrA6hZBnmk1Cvqjxr3nQffmL5D1bnsIM7K4YXGfkXJ13ZhsbUSoFN5 9zgKHKKoWEmmRhfncD6mNKJBrwCaIEZBX6XDdYzpGQ2518LejEGVARhK52upITuSwi6LjvyN44A otllUGjlj2J9SmzFNpj6u/goTqDypWD5ioap3XXPttyw1Np/RbR2SNK7wOP1Ji7rsE1Xvq0cCbv YmSDMcF3B6r1QSJKh72+HZbHeWweFjT1TmiOY23JRVGBq7+klClc02/aDNxUz6C68DaYlghPz44 I6R9FN7rEByCArd1kaIYOG0Hu7VOktJ/DsqzYG2AGxGMictYmRUi03OugGp64NoEeRxIk= X-Developer-Key: i=andrzej.hajda@intel.com; a=openpgp; fpr=FCA8443134DDBF5DE17F034D2362B293DE10FDD7 X-BeenThere: igt-dev@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Development mailing list for IGT GPU Tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: igt-dev-bounces@lists.freedesktop.org Sender: "igt-dev" Topology masks returned by device query DRM_XE_DEVICE_QUERY_GT_TOPOLOGY are placed sequentially in one blob of memory, moreover every mask can have different size as they contains flexible arrays. Signed-off-by: Andrzej Hajda --- lib/xe/xe_query.h | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/lib/xe/xe_query.h b/lib/xe/xe_query.h index b1483f5eb6ac330454e719423dee52013b4b6137..01ca1d57fdb1c52c0676eb255caf6a5223e3f973 100644 --- a/lib/xe/xe_query.h +++ b/lib/xe/xe_query.h @@ -97,6 +97,12 @@ struct xe_device { #define XE_IS_CLASS_SYSMEM(__region) ((__region)->mem_class == DRM_XE_MEM_REGION_CLASS_SYSMEM) #define XE_IS_CLASS_VRAM(__region) ((__region)->mem_class == DRM_XE_MEM_REGION_CLASS_VRAM) +#define xe_for_each_topology_mask(__masks, __size, __mask) \ + for (__mask = (__masks); \ + (void *)__mask->mask - (void *)(__masks) < (__size) && \ + (void *)&__mask->mask[__mask->num_bytes] - (void *)(__masks) <= (__size); \ + __mask = (void *)&__mask->mask[__mask->num_bytes]) + /* * Max possible engine instance in drm_xe_engine_class_instance::engine_instance. Only * used to declare arrays of drm_xe_engine_class_instance -- 2.43.0