linux-kernel - [PATCH AUTOSEL 6.5 06/34] ASoC: SOF: ipc4: handle EXCEPTION

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Date:   Tue,  7 Nov 2023 10:47:46 -0500
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Rander Wang <rander.wang@...el.com>,
        Péter Ujfalusi <peter.ujfalusi@...ux.intel.com>,
        Kai Vehmanen <kai.vehmanen@...ux.intel.com>,
        Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>,
        Guennadi Liakhovetski <guennadi.liakhovetski@...ux.intel.com>,
        Mark Brown <broonie@...nel.org>,
        Sasha Levin <sashal@...nel.org>, lgirdwood@...il.com,
        yung-chuan.liao@...ux.intel.com, ranjani.sridharan@...ux.intel.com,
        daniel.baluta@....com, perex@...ex.cz, tiwai@...e.com,
        sound-open-firmware@...a-project.org, linux-sound@...r.kernel.org
Subject: [PATCH AUTOSEL 6.5 06/34] ASoC: SOF: ipc4: handle EXCEPTION_CAUGHT notification from firmware

From: Rander Wang <rander.wang@...el.com>

[ Upstream commit c1c48fd6bbe788458e3685fea74bdb3cb148ff93 ]

Driver will receive exception IPC message and process it by
snd_sof_dsp_panic.

Signed-off-by: Rander Wang <rander.wang@...el.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@...ux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@...ux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
Reviewed-by: Guennadi Liakhovetski <guennadi.liakhovetski@...ux.intel.com>
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@...ux.intel.com>
Link: https://lore.kernel.org/r/20230919092416.4137-10-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 sound/soc/sof/ipc4.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/sound/soc/sof/ipc4.c b/sound/soc/sof/ipc4.c
index ab6eddd91bb77..1b09496733fb8 100644
--- a/sound/soc/sof/ipc4.c
+++ b/sound/soc/sof/ipc4.c
@@ -614,6 +614,9 @@ static void sof_ipc4_rx_msg(struct snd_sof_dev *sdev)
 	case SOF_IPC4_NOTIFY_LOG_BUFFER_STATUS:
 		sof_ipc4_mtrace_update_pos(sdev, SOF_IPC4_LOG_CORE_GET(ipc4_msg->primary));
 		break;
+	case SOF_IPC4_NOTIFY_EXCEPTION_CAUGHT:
+		snd_sof_dsp_panic(sdev, 0, true);
+		break;
 	default:
 		dev_dbg(sdev->dev, "Unhandled DSP message: %#x|%#x\n",
 			ipc4_msg->primary, ipc4_msg->extension);
-- 
2.42.0