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 25FE5C83F1A for ; Fri, 11 Jul 2025 05:39:09 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id AC54D10E9AB; Fri, 11 Jul 2025 05:39:08 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="U/6Ncsgs"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.20]) by gabe.freedesktop.org (Postfix) with ESMTPS id 6406A10E9AB for ; Fri, 11 Jul 2025 05:39:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1752212348; x=1783748348; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=35qGNnwc27FhZNeYAsR1kwMZC7sLM1CZweRWfbXXKV8=; b=U/6NcsgslXRpAm0QU26d3byEHvRx15ZFcUGwRVab+lzHzWSgc1xMs5hN oJQ4iFFiNb/Px3GAa+MllMf2cwh8/zUiQ0oV1dfanwXSgzfRwXiWPMTEZ Y5gS/5goZLPR8DU8cMAkaqXbwTPNqeWglZcHJn449g6uZv5W4QVNJeti5 aNwlWM7MP/RIiFgrymYbvs02c8sH02VmTOSYLPNLSk1NUlJ/7v1THZnMd LAzemLvYLMkhQ9HHPRqOLpufppuykKfw8v0eR1sPfgF1Myy/ldq3yqFdR ZMQ7J8yEnd+8qyBP6lf6F4WmALctYirURqf311jAmtGHT6Le+Imf/QZwH Q==; X-CSE-ConnectionGUID: ZxQFS1g4SDiolpt+K92pIQ== X-CSE-MsgGUID: 4/RWNk/8Se2B2cdE8WKJEw== X-IronPort-AV: E=McAfee;i="6800,10657,11490"; a="54221459" X-IronPort-AV: E=Sophos;i="6.16,302,1744095600"; d="scan'208";a="54221459" Received: from orviesa001.jf.intel.com ([10.64.159.141]) by orvoesa112.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Jul 2025 22:39:08 -0700 X-CSE-ConnectionGUID: Y3ke6V1BSxCgI/Sqn8SPEg== X-CSE-MsgGUID: BYOhYdxBTdufKMMOm2p+1g== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.16,302,1744095600"; d="scan'208";a="193490049" Received: from black.fi.intel.com ([10.237.72.28]) by orviesa001.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Jul 2025 22:39:04 -0700 Date: Fri, 11 Jul 2025 08:39:01 +0300 From: Raag Jadav To: Riana Tauro Cc: intel-xe@lists.freedesktop.org, anshuman.gupta@intel.com, rodrigo.vivi@intel.com, lucas.demarchi@intel.com, aravind.iddamsetty@linux.intel.com, umesh.nerlige.ramappa@intel.com, frank.scarbrough@intel.com, sk.anirban@intel.com Subject: Re: [PATCH v4 6/9] drm/xe/doc: Document device wedged and runtime survivability Message-ID: References: <20250709112024.1053710-1-riana.tauro@intel.com> <20250709112024.1053710-7-riana.tauro@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250709112024.1053710-7-riana.tauro@intel.com> 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 Wed, Jul 09, 2025 at 04:50:18PM +0530, Riana Tauro wrote: > Add documentation for vendor specific device wedged recovery method > and runtime survivability. ... > + * Runtime Survivability > + * ===================== > + * > + * Certain runtime firmware errors can cause the device to enter a wedged state > + * (:ref:`xe-device-wedging`) requiring a firmware flash to restore normal operation. > + * Runtime Survivability Mode indicates that a firmware flash is necessary to recover the device and > + * is indicated by the presence of survivability mode sysfs:: > + * > + * /sys/bus/pci/devices//survivability_mode > + * > + * Survivability mode sysfs provides information about the type of survivability mode. > + * > + * When such errors occur, userspace is notified with the drm device wedged uevent and runtime > + * survivability mode. User can then initiate a firmware flash to restore device to normal > + * operation. Do we have definition on actual procedure? Can we add a reference to it? Otherwise it's telling me to do something I have no idea about. Raag