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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B7843C433EF for ; Wed, 29 Jun 2022 11:30:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233004AbiF2Lap (ORCPT ); Wed, 29 Jun 2022 07:30:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34652 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233002AbiF2LaP (ORCPT ); Wed, 29 Jun 2022 07:30:15 -0400 Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9BEB43EF0A for ; Wed, 29 Jun 2022 04:30:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1656502210; x=1688038210; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=eYpHqgejGxKVMlKtUl8TSzJgNDz4KWjyR7Pp9lUoBnA=; b=RihxpAZhJjpog4hod1yStwMVe9S411FnaDqLtwN7QXIYlLQhBepOdU7U CccoZx6rOajjpTJW4bal1C2IcbmdHnYrYS+LSd8V/cia3YU8FTHtdOQxX Sf/mp6ew9ESCCfJOyMjA9zOqrOuTq67TC4k5obfZeCQ1PxTWIMh79Dr5E 3kPnfu6LHb1b78TYrIyUJ2DiHXWvbt6kG6o1StcDa9mECzoY/Lsf3URce U2PSjz9mB2a7HFDxvmYNXfiiFJU+FX3/i7r93I0wYxlaK2ZYt4sKlXibw M3tOGyYqAiyQckU3D5cTCIlsuLVq4gXnc6/Ix4Ctm8TtaOmStGknTqAhD Q==; X-IronPort-AV: E=McAfee;i="6400,9594,10392"; a="368319365" X-IronPort-AV: E=Sophos;i="5.92,231,1650956400"; d="scan'208";a="368319365" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Jun 2022 04:30:10 -0700 X-IronPort-AV: E=Sophos;i="5.92,231,1650956400"; d="scan'208";a="647353411" Received: from sannilnx.jer.intel.com ([10.12.26.157]) by fmsmga008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Jun 2022 04:30:07 -0700 From: Alexander Usyskin To: Greg Kroah-Hartman , Jani Nikula , Joonas Lahtinen , Rodrigo Vivi , David Airlie , Daniel Vetter , Tvrtko Ursulin Cc: Tomas Winkler , Alexander Usyskin , Vitaly Lubart , intel-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org Subject: [PATCH v4 13/14] mei: debugfs: add pxp mode to devstate in debugfs Date: Wed, 29 Jun 2022 14:29:12 +0300 Message-Id: <20220629112913.1210933-14-alexander.usyskin@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220629112913.1210933-1-alexander.usyskin@intel.com> References: <20220629112913.1210933-1-alexander.usyskin@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Tomas Winkler Add pxp mode devstate to debugfs to monitor pxp state machine progress. During debug it is important to understand in what state the pxp handshake is. CC: Vitaly Lubart Signed-off-by: Tomas Winkler --- drivers/misc/mei/debugfs.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/drivers/misc/mei/debugfs.c b/drivers/misc/mei/debugfs.c index 1ce61e9e24fc..4074fec866a6 100644 --- a/drivers/misc/mei/debugfs.c +++ b/drivers/misc/mei/debugfs.c @@ -86,6 +86,20 @@ static int mei_dbgfs_active_show(struct seq_file *m, void *unused) } DEFINE_SHOW_ATTRIBUTE(mei_dbgfs_active); +static const char *mei_dev_pxp_mode_str(enum mei_dev_pxp_mode state) +{ +#define MEI_PXP_MODE(state) case MEI_DEV_PXP_##state: return #state + switch (state) { + MEI_PXP_MODE(DEFAULT); + MEI_PXP_MODE(INIT); + MEI_PXP_MODE(SETUP); + MEI_PXP_MODE(READY); + default: + return "unknown"; + } +#undef MEI_PXP_MODE +} + static int mei_dbgfs_devstate_show(struct seq_file *m, void *unused) { struct mei_device *dev = m->private; @@ -112,6 +126,9 @@ static int mei_dbgfs_devstate_show(struct seq_file *m, void *unused) seq_printf(m, "pg: %s, %s\n", mei_pg_is_enabled(dev) ? "ENABLED" : "DISABLED", mei_pg_state_str(mei_pg_state(dev))); + + seq_printf(m, "pxp: %s\n", mei_dev_pxp_mode_str(dev->pxp_mode)); + return 0; } DEFINE_SHOW_ATTRIBUTE(mei_dbgfs_devstate); -- 2.34.1