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 E9484CF8860 for ; Thu, 20 Nov 2025 14:28:17 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 9BFC110E758; Thu, 20 Nov 2025 14:28:17 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="gzCIpOI1"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.13]) by gabe.freedesktop.org (Postfix) with ESMTPS id 5DBA510E761 for ; Thu, 20 Nov 2025 14:28:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1763648895; x=1795184895; h=from:date:subject:mime-version:content-transfer-encoding: message-id:references:in-reply-to:to:cc; bh=r2ITVAU6LaroPgpoX7JGdLISHMLxVLqGhfe8520hOcE=; b=gzCIpOI1kvtF7G4WCnwBoWbkZQaSVf9QA+rWrvTqdy3r4Y9vEWqRcSvX UNH+JweTo9/jWYn0uczSVcGTVN+1YAYIlEwTPM6DzlYx32IegO3DTK6Ov Ro92IuOL7H2N2vG+iCU53M8uFmypEM+rSAYqQXyLH+DkHGJLmbjMjTjuV Y7EUZUsEg2idbZKFb3jfiCcN8RSZoZBFame0pwmsHhaGgABHy4ffz5I/+ Ka1CB/vIEU4lHFnFxA3M/lIazBVg9qAubPFz0fUjBQyNAHhOSCTZi1NxD L0VBsCmzaeXCyyOmPvgUXUES2gyBRuaDM0WrO8G7Ahv0x/S9jOcqpgMz4 w==; X-CSE-ConnectionGUID: wdRiykKkQW6U069lBlpS4A== X-CSE-MsgGUID: FgaeLAaHSoSyBX9LtQxjgw== X-IronPort-AV: E=McAfee;i="6800,10657,11619"; a="76824136" X-IronPort-AV: E=Sophos;i="6.20,213,1758610800"; d="scan'208";a="76824136" Received: from fmviesa007.fm.intel.com ([10.60.135.147]) by orvoesa105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Nov 2025 06:28:14 -0800 X-CSE-ConnectionGUID: jlcGOTLVSVytzxT3Bo9Pmg== X-CSE-MsgGUID: jIrfCBYsQYKCATOny2Knkw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.20,213,1758610800"; d="scan'208";a="191057678" Received: from lab-ah.igk.intel.com (HELO [127.0.1.1]) ([10.211.135.228]) by fmviesa007-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Nov 2025 06:28:13 -0800 From: Andrzej Hajda Date: Thu, 20 Nov 2025 15:25:42 +0100 Subject: [PATCH v4 5/6] 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: <20251120-xe_query_helpers-v4-5-2ed6dc04dd94@intel.com> References: <20251120-xe_query_helpers-v4-0-2ed6dc04dd94@intel.com> In-Reply-To: <20251120-xe_query_helpers-v4-0-2ed6dc04dd94@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=1298; i=andrzej.hajda@intel.com; h=from:subject:message-id; bh=r2ITVAU6LaroPgpoX7JGdLISHMLxVLqGhfe8520hOcE=; b=owEB7QES/pANAwAKASNispPeEP3XAcsmYgBpHyUwnXS7Q0BmHcNwyy/GOu87TAoYXZ/UAd7Bb 9PLhiAsiBmJAbMEAAEKAB0WIQT8qEQxNN2/XeF/A00jYrKT3hD91wUCaR8lMAAKCRAjYrKT3hD9 1/rqDACCKUBT4yaEPLOL/vytspIQCUK46rNPOcUMtTqiPfuTw6fAMaEi8IF4X3xPI3DRj/xlLy6 ZRXfPt1RupRzt2gAkVTLtn9veQ7QUUfw8mW0qGNbidYKwWGpOeWjzjj9BKi1J6Sx1SELE3X1P9y vlzszpM/SbBsrRSbFWBgS33uKxamOvX/wxXb3gmkYmqTMBHC06pc7zS2LxZJek8yCTvgsDDgrZP VXlQiGeulKCs0AwHflmAxS/flRKxl4y6AqyJZczqFMNSwV1Hun1eQk2WgpUSyoiRL5LqWiE1o4G okqEIOrMVoFmpje8BF3Ktj5Elhv0RXkvdE3rXKwNocAj/kipqD+Q6mvGMRsy3JhaGli1cgCJX/c QlZ05dLnTSnW8b3F5R6hHwNHJ9DqmmPBa5cYY9rgQ7CvqLg7hajtq57QBUTmW9Fx4f4QBdX5u4Y 5Uq9KenxbgRfm90xm0JBrbsACl9roRfyUSa7f2PeQb8nhJGSGFNCynUlL2SHOlh2G3MXU= 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 Reviewed-by: Priyanka Dandamudi --- 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 3e4d73e01b922b47f29731d3cbccc72f67b4c4e1..0e944eb79a18977b015d5baf3da036f55d294a20 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