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 F1402FEC0FC for ; Tue, 24 Mar 2026 21:17:36 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B2FD410E0A4; Tue, 24 Mar 2026 21:17:36 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="lARvJlwM"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.15]) by gabe.freedesktop.org (Postfix) with ESMTPS id 803A010E0A4; Tue, 24 Mar 2026 21:17:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1774387055; x=1805923055; h=date:message-id:from:to:cc:subject:in-reply-to: references:mime-version; bh=baC0skEyxLhb3fwQ78su1ISY56pXzhrrye2/umkmVoE=; b=lARvJlwMStzuqDiupMv4/0YW6GvqExmanQwzGDgEEthdWXTiJxJ3JCqz pXMl/OuZrxbFaUMDkQXxRCxjR+owQz7uXWyRxvquRqxtGftJZ+gjUJAA0 ITGmf+8kSUCW2VTPhVES5u4z1SdHSlPXXtDNUhBLqP2PYF/x8J0madZc0 rOGau7auQt9kwORyBovJGohzRPLCp6vUipTDFfb7UEOgNxRf1NZyPzqw2 Zgm5W3A1g1x9Q0DjV/uczhYvm6Es7Kz1D90ivPSCI2qs0W6aXj4Z5ypI6 +lVrFn6NmouzaQPwP33GWOX0N8GDo1NyEHiGD9gpubvd5pJqiFeYbtyvV A==; X-CSE-ConnectionGUID: Cd/HNQkvQeqIlCVbTJ9DAQ== X-CSE-MsgGUID: fLd/gJIDRfuZinoJQAMCSQ== X-IronPort-AV: E=McAfee;i="6800,10657,11739"; a="75536543" X-IronPort-AV: E=Sophos;i="6.23,138,1770624000"; d="scan'208";a="75536543" Received: from orviesa004.jf.intel.com ([10.64.159.144]) by fmvoesa109.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Mar 2026 14:17:35 -0700 X-CSE-ConnectionGUID: lE7V+llHTV2XqauMJR9vvA== X-CSE-MsgGUID: prVdJARcRHGIQoPWEL/pww== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,138,1770624000"; d="scan'208";a="228942904" Received: from unknown (HELO adixit-MOBL3.intel.com) ([10.241.243.5]) by orviesa004-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Mar 2026 14:17:35 -0700 Date: Tue, 24 Mar 2026 14:17:33 -0700 Message-ID: <875x6lq64y.wl-ashutosh.dixit@intel.com> From: "Dixit, Ashutosh" To: Satyanarayana K V P Cc: intel-xe@lists.freedesktop.org, Michal Wajdeczko , Rodrigo Vivi , Piotr =?ISO-8859-1?Q?Pi=F3rkowski?= , Matthew Brost , Thomas =?ISO-8859-1?Q?Hellstr=F6m?= , =?ISO-8859-2?Q?Micha=B3?= Winiarski , Dunajski Bartosz , dri-devel@lists.freedesktop.org Subject: Re: [RFC v6 1/1] drm/xe/pf: Restrict device query responses in admin-only PF mode In-Reply-To: <20260316064100.2542412-4-satyanarayana.k.v.p@intel.com> References: <20260316064100.2542412-3-satyanarayana.k.v.p@intel.com> <20260316064100.2542412-4-satyanarayana.k.v.p@intel.com> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM-LB/1.14.9 (=?ISO-8859-4?Q?Goj=F2?=) APEL-LB/10.8 EasyPG/1.0.0 Emacs/30.2 (x86_64-pc-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=US-ASCII X-BeenThere: intel-xe@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Xe graphics driver List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-xe-bounces@lists.freedesktop.org Sender: "Intel-xe" On Sun, 15 Mar 2026 23:41:02 -0700, Satyanarayana K V P wrote: > > --- > V5 -> V6: > - Updated commit message. > - Return number of engines and memory regions as zero instead of returning > query size as zero (Michal Wajdeczko). > - Allow all other query IOCTLs excepts query_engines and query_mem_regions > (Michal Wajdeczko). Can someone explain the reason to move away from the approach in v5? Afais v6 has issues of this sort: * query_engines will return 0 engines but query_hwconfig will return > 0 engines * query_engines will return 0 engines but query_oa_units will list out the engines * query_oa_units will return valid oa support but observation ioctl will fail v5 seems to have avoided contradictions of this sort. Or this doesn't matter? Thanks.