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 DF4EFCFA776 for ; Fri, 21 Nov 2025 11:00:36 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 73D0810E856; Fri, 21 Nov 2025 11:00:36 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="a0mwovBG"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.10]) by gabe.freedesktop.org (Postfix) with ESMTPS id B352C10E854 for ; Fri, 21 Nov 2025 11:00:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1763722834; x=1795258834; h=from:date:subject:mime-version:content-transfer-encoding: message-id:references:in-reply-to:to:cc; bh=v/vuJl7CJZ2GZTCl0tHqLLhlRDSypPOvZQjQtno0+2o=; b=a0mwovBGlipliufuN1brNKLg4jYFvpqEvf5Tgcu3/A4hNJz53gUCPWNQ Sa9SzzJvsDGY64cyzKXEPsgKfBiP9k3nLVBLUuHqXoT9m/RsPDgT5dn+q v/Kuk1jXk8zrnI89dTu4ETo6cUtCzP+WdBdj8gkTKNPJ+l+5q5gpyyx08 hq7ZoOSeI3vGv22cOE/W0nVXL8zfJoGBaXGLT6pPVmpyclzFKOnTVUA38 ZMC/G6krnClcMmttAQK4mlQwiJ0RF5YCR3dYB+SZWGwM5/6owus/XUkJ/ R0lJH+wwHDRnWZPpnvKmpp+9wUSA/7xr7CIxMSXLTSiVnYVq12Ty3P3a/ Q==; X-CSE-ConnectionGUID: PNdBbD8dRhWH6mCC1mCqSw== X-CSE-MsgGUID: AYIhok3kS8uFvRftGCijMQ== X-IronPort-AV: E=McAfee;i="6800,10657,11619"; a="83203552" X-IronPort-AV: E=Sophos;i="6.20,215,1758610800"; d="scan'208";a="83203552" Received: from fmviesa005.fm.intel.com ([10.60.135.145]) by orvoesa102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Nov 2025 03:00:34 -0800 X-CSE-ConnectionGUID: p2H3s5oORPKESmeUN2qAWw== X-CSE-MsgGUID: /zluZSXbTRODtubgQjqKhw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.20,215,1758610800"; d="scan'208";a="195953860" Received: from lab-ah.igk.intel.com (HELO [127.0.1.1]) ([10.211.135.228]) by fmviesa005-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Nov 2025 03:00:33 -0800 From: Andrzej Hajda Date: Fri, 21 Nov 2025 11:59:03 +0100 Subject: [PATCH v5 4/5] 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: <20251121-xe_query_helpers-v5-4-d69c1c160e96@intel.com> References: <20251121-xe_query_helpers-v5-0-d69c1c160e96@intel.com> In-Reply-To: <20251121-xe_query_helpers-v5-0-d69c1c160e96@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=v/vuJl7CJZ2GZTCl0tHqLLhlRDSypPOvZQjQtno0+2o=; b=owEB7QES/pANAwAKASNispPeEP3XAcsmYgBpIEYGIElQFtYmo2j2W6/cjtO8Q/50YCu+1g0ZD mjpsryUDGuJAbMEAAEKAB0WIQT8qEQxNN2/XeF/A00jYrKT3hD91wUCaSBGBgAKCRAjYrKT3hD9 12qOC/489IDCFZqFTGeR+DCCk8DuIsuBu65wYtmIPoUao7xE77/Oh8TdYDz11kOSwrSm2GLNoJO RDxPeNgA7338EuGHKbJvw08MgXchaN2b25TH2SSKkgIypeOsObgTcu5lbB7C1FOotCxzOhPNQ3R VTJ0bkfTO02dvK/vix10K45Em9ioVIl9ZukfbJtuYysep7Q4KB8ELOJI910UclZ4THVCDsAEVCC TfxFv6B9UF4Kms3LQP0lnkpBur78BusVHR1CGG2vH5uchiNomVgpKpbXiBvZKOLIYOYork+vLcq /TxdtH6jMyTTeSfnZRdrVu7zYtKHvAoJxz1+dnlSzKUXUNqhaVZk+B1uLkD8K24LN/62fSM5qhf E8fZCoQaU+dgqCk1+ag2c/eXLkl5m24LhNyuO86sL2yuzCBggbgwcV2tMiQURFlRG946w53k2yq ubT9S6yLNWKsW49UbT0NkMRPJL/8ar+MmnOgjbjBvcVZWftQnc1dAkGuI41umhVaZdPkQ= 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 15d5c26baf5be6e107495247ca1aaefea551d821..3eb05a6c0535f3f2edce8b8591d17198ee356b68 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