From patchwork Thu Dec 1 17:56:09 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Cezary Rojewski X-Patchwork-Id: 13061614 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 alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (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 2DD2CC43217 for ; Thu, 1 Dec 2022 17:42:11 +0000 (UTC) Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id 622B517F1; Thu, 1 Dec 2022 18:41:19 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 622B517F1 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1669916529; bh=s8KMcSpU6HrAu8jVF5As6s3An6fGGQguSqLMw/07Shc=; h=From:To:Subject:Date:In-Reply-To:References:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=fnI/uDUje13Mllqg4feFf20LQmnGUWBlEx5FFvmfp3ejMNmE6TyYsawDkFLKVa17k qRjrETXG5CwKP4x7ExUEZD5cBM2+DvQO38Ib/vrkaItx7iifYZ+GOYym2/g71RGrxe Z/e8XUzuaTU3tKg528h3NJc4450neBKHPcXeikwY= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 5B02CF8057E; Thu, 1 Dec 2022 18:39:39 +0100 (CET) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 510EBF80580; Thu, 1 Dec 2022 18:39:38 +0100 (CET) Received: from mga06.intel.com (mga06b.intel.com [134.134.136.31]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id ADD02F80558 for ; Thu, 1 Dec 2022 18:39:31 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz ADD02F80558 Authentication-Results: alsa1.perex.cz; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="THUbjBlE" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1669916372; x=1701452372; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=s8KMcSpU6HrAu8jVF5As6s3An6fGGQguSqLMw/07Shc=; b=THUbjBlEKnjqGq1G7wi2pbuuraoIc0ocwb0p2YKYhSWwlM0KggQeCpBR SuAr9+kkZVrlWqDsNpduGE9yy/YickETGio+B6w2euFchQU2u9vNu+Ghl SYkRwlRXs5l1PYMp0hvAVK7DbU/dkt/6Il1pLbkIukhENHXWRIoe3etFa zSkzuTY6A9CyYZMkepDs2kzvJxs/r7v654ca4PSyuYOZgelRDFIOQyC5l H0gf82g8a3a33/97+Ybvij763u7QGiweeFq9xI+UFQ2jYLYkYQX66xALS aPdCUw77KRFPhiQ11ABe7osx6QPoX2SBlUdf4rgH8xg/t3t7oud3NJxxa w==; X-IronPort-AV: E=McAfee;i="6500,9779,10548"; a="377908355" X-IronPort-AV: E=Sophos;i="5.96,209,1665471600"; d="scan'208";a="377908355" Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Dec 2022 09:39:29 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10548"; a="889823938" X-IronPort-AV: E=Sophos;i="5.96,209,1665471600"; d="scan'208";a="889823938" Received: from crojewsk-ctrl.igk.intel.com ([10.102.9.28]) by fmsmga006.fm.intel.com with ESMTP; 01 Dec 2022 09:39:27 -0800 From: Cezary Rojewski To: alsa-devel@alsa-project.org, broonie@kernel.org Subject: [PATCH 06/16] ASoC: Intel: avs: Introduce debug-context aware helpers Date: Thu, 1 Dec 2022 18:56:09 +0100 Message-Id: <20221201175619.504758-7-cezary.rojewski@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221201175619.504758-1-cezary.rojewski@intel.com> References: <20221201175619.504758-1-cezary.rojewski@intel.com> MIME-Version: 1.0 Cc: Cezary Rojewski , pierre-louis.bossart@linux.intel.com, tiwai@suse.com, hdegoede@redhat.com, amadeuszx.slawinski@linux.intel.com X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" Debug-related fields and log-dumping are useful when debugfs is enabled. Define them under CONFIG_DEBUG_FS and provide stubs when the config is disabled so that the code that makes use of these needs not to be complicated unnecessarily. Members that are duplicated by this patch will be removed by the follow up changes. Signed-off-by: Cezary Rojewski --- sound/soc/intel/avs/Makefile | 4 ++++ sound/soc/intel/avs/avs.h | 29 +++++++++++++++++++++++++++++ sound/soc/intel/avs/debugfs.c | 28 ++++++++++++++++++++++++++++ 3 files changed, 61 insertions(+) create mode 100644 sound/soc/intel/avs/debugfs.c diff --git a/sound/soc/intel/avs/Makefile b/sound/soc/intel/avs/Makefile index 919212825f21..a211a0b7b4a8 100644 --- a/sound/soc/intel/avs/Makefile +++ b/sound/soc/intel/avs/Makefile @@ -9,6 +9,10 @@ snd-soc-avs-objs += trace.o # tell define_trace.h where to find the trace header CFLAGS_trace.o := -I$(src) +ifneq ($(CONFIG_DEBUG_FS),) +snd-soc-avs-objs += debugfs.o +endif + obj-$(CONFIG_SND_SOC_INTEL_AVS) += snd-soc-avs.o # Machine support diff --git a/sound/soc/intel/avs/avs.h b/sound/soc/intel/avs/avs.h index 957151ecf39a..3687d03f87d4 100644 --- a/sound/soc/intel/avs/avs.h +++ b/sound/soc/intel/avs/avs.h @@ -9,6 +9,7 @@ #ifndef __SOUND_SOC_INTEL_AVS_H #define __SOUND_SOC_INTEL_AVS_H +#include #include #include #include @@ -146,6 +147,14 @@ struct avs_dev { struct mutex path_mutex; struct avs_debug dbg; + spinlock_t trace_lock; /* serialize debug window I/O between each LOG_BUFFER_STATUS */ +#ifdef CONFIG_DEBUG_FS + struct kfifo trace_fifo; + wait_queue_head_t trace_waitq; + u32 aging_timer_period; + u32 fifo_full_timer_period; + u32 logged_resources; /* context dependent: core or library */ +#endif }; /* from hda_bus to avs_dev */ @@ -366,4 +375,24 @@ struct apl_log_buffer_layout { #define apl_log_payload_addr(addr) \ (addr + sizeof(struct apl_log_buffer_layout)) +#ifdef CONFIG_DEBUG_FS +bool avs_logging_fw(struct avs_dev *adev); +void avs_dump_fw_log(struct avs_dev *adev, const void __iomem *src, unsigned int len); +void avs_dump_fw_log_wakeup(struct avs_dev *adev, const void __iomem *src, unsigned int len); +#else +static inline bool avs_logging_fw(struct avs_dev *adev) +{ + return false; +} + +static inline void avs_dump_fw_log(struct avs_dev *adev, const void __iomem *src, unsigned int len) +{ +} + +static inline void +avs_dump_fw_log_wakeup(struct avs_dev *adev, const void __iomem *src, unsigned int len) +{ +} +#endif + #endif /* __SOUND_SOC_INTEL_AVS_H */ diff --git a/sound/soc/intel/avs/debugfs.c b/sound/soc/intel/avs/debugfs.c new file mode 100644 index 000000000000..ac3889e21542 --- /dev/null +++ b/sound/soc/intel/avs/debugfs.c @@ -0,0 +1,28 @@ +// SPDX-License-Identifier: GPL-2.0-only +// +// Copyright(c) 2021-2022 Intel Corporation. All rights reserved. +// +// Authors: Cezary Rojewski +// Amadeusz Slawinski +// + +#include +#include +#include +#include "avs.h" + +bool avs_logging_fw(struct avs_dev *adev) +{ + return kfifo_initialized(&adev->trace_fifo); +} + +void avs_dump_fw_log(struct avs_dev *adev, const void __iomem *src, unsigned int len) +{ + __kfifo_fromio(&adev->trace_fifo, src, len); +} + +void avs_dump_fw_log_wakeup(struct avs_dev *adev, const void __iomem *src, unsigned int len) +{ + avs_dump_fw_log(adev, src, len); + wake_up(&adev->trace_waitq); +}