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 3D200EEE25C for ; Thu, 12 Sep 2024 20:38:45 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 09D5810EC55; Thu, 12 Sep 2024 20:38:45 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="E2MkKC65"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.9]) by gabe.freedesktop.org (Postfix) with ESMTPS id 71F2110EC50 for ; Thu, 12 Sep 2024 20:38:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1726173522; x=1757709522; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=XHIG91K9KOyo1Lk7Lq9ZTlz71WW2FMeSyC+AuCYQKII=; b=E2MkKC65nCgOW6glnpl72MLMjwGMX1EFayP5xaM78fU+gSqW284cJovU fElbolpy/UcNNHjmFzOSJuFbc/R8gPNTg8agXig/Gte1BuQ2AzU+vxT8f jUII3jFRUfODAeNaAxcnQtmLvwNWp5j4zOGR8IB6+cqlSiCi6zbA2hJop wgpfXpbASNkiAY2LYVsH3SdLi3sLo/cF7tka7rlei+RW0PV2y5N6bWtL8 fKeIpc6kyxt/lhV5735oyd3fAp8QRe9Mh3Myh8Vm2g9Z2D9bghjvEJrqs Yz7s99IOjPdLEm9TeKZUjmISc5O1fmr6hH0NDt1BFZGoyy+kZqEwO3EfA w==; X-CSE-ConnectionGUID: 9MOVoNayQk688DPEAwuEcA== X-CSE-MsgGUID: G7HKl+4aQqWGDiaOkApecg== X-IronPort-AV: E=McAfee;i="6700,10204,11193"; a="35725123" X-IronPort-AV: E=Sophos;i="6.10,224,1719903600"; d="scan'208";a="35725123" Received: from orviesa006.jf.intel.com ([10.64.159.146]) by fmvoesa103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Sep 2024 13:38:41 -0700 X-CSE-ConnectionGUID: xGSzf8nHTZmAn9KEgQRvdg== X-CSE-MsgGUID: U6qK0OqhT86R9OlPMMC7Mw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.10,224,1719903600"; d="scan'208";a="68126848" Received: from mwajdecz-mobl.ger.corp.intel.com ([10.245.84.117]) by orviesa006-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Sep 2024 13:38:40 -0700 From: Michal Wajdeczko To: intel-xe@lists.freedesktop.org Cc: Michal Wajdeczko , =?UTF-8?q?Micha=C5=82=20Winiarski?= , Tomasz Lis Subject: [PATCH 6/6] drm/xe/pf: Allow to trigger VF GuC state restore from debugfs Date: Thu, 12 Sep 2024 22:38:17 +0200 Message-Id: <20240912203817.1880-7-michal.wajdeczko@intel.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20240912203817.1880-1-michal.wajdeczko@intel.com> References: <20240912203817.1880-1-michal.wajdeczko@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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" For feature enabling and testing purposes, allow to restore saved or replaced VF GuC state from debugfs, bypassing normal migration flow. This is available only under strict debug config. Signed-off-by: Michal Wajdeczko Cc: Michał Winiarski Cc: Tomasz Lis --- drivers/gpu/drm/xe/xe_gt_sriov_pf_debugfs.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/xe/xe_gt_sriov_pf_debugfs.c b/drivers/gpu/drm/xe/xe_gt_sriov_pf_debugfs.c index e990a63ec998..ccbcf6e572d0 100644 --- a/drivers/gpu/drm/xe/xe_gt_sriov_pf_debugfs.c +++ b/drivers/gpu/drm/xe/xe_gt_sriov_pf_debugfs.c @@ -313,6 +313,9 @@ static const struct { { "stop", xe_gt_sriov_pf_control_stop_vf }, { "pause", xe_gt_sriov_pf_control_pause_vf }, { "resume", xe_gt_sriov_pf_control_resume_vf }, +#ifdef CONFIG_DRM_XE_DEBUG_SRIOV + { "restore!", xe_gt_sriov_pf_migration_restore_guc_state }, +#endif }; static ssize_t control_write(struct file *file, const char __user *buf, size_t count, loff_t *pos) -- 2.43.0