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Message-Id: <20210713075226.11094-1-ogabbay@kernel.org>
Date:   Tue, 13 Jul 2021 10:52:16 +0300
From:   Oded Gabbay <ogabbay@...nel.org>
To:     linux-kernel@...r.kernel.org
Cc:     Ofir Bitton <obitton@...ana.ai>
Subject: [PATCH 01/11] habanalabs/gaudi: trigger state dump in case of SM errors

From: Ofir Bitton <obitton@...ana.ai>

State dump is relevant to the user in case of Sync Manager error, so
we need to trigger it in that case as well.

Signed-off-by: Ofir Bitton <obitton@...ana.ai>
Reviewed-by: Oded Gabbay <ogabbay@...nel.org>
Signed-off-by: Oded Gabbay <ogabbay@...nel.org>
---
 drivers/misc/habanalabs/gaudi/gaudi.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/misc/habanalabs/gaudi/gaudi.c b/drivers/misc/habanalabs/gaudi/gaudi.c
index fdbe8155ef3c..6cbedeee15d1 100644
--- a/drivers/misc/habanalabs/gaudi/gaudi.c
+++ b/drivers/misc/habanalabs/gaudi/gaudi.c
@@ -7894,8 +7894,9 @@ static void gaudi_handle_eqe(struct hl_device *hdev,
 	u32 ctl = le32_to_cpu(eq_entry->hdr.ctl);
 	u16 event_type = ((ctl & EQ_CTL_EVENT_TYPE_MASK)
 			>> EQ_CTL_EVENT_TYPE_SHIFT);
-	u8 cause;
 	bool reset_required;
+	u8 cause;
+	int rc;
 
 	gaudi->events_stat[event_type]++;
 	gaudi->events_stat_aggregate[event_type]++;
@@ -8081,6 +8082,10 @@ static void gaudi_handle_eqe(struct hl_device *hdev,
 		gaudi_print_irq_info(hdev, event_type, false);
 		gaudi_print_sm_sei_info(hdev, event_type,
 					&eq_entry->sm_sei_data);
+		rc = hl_state_dump(hdev);
+		if (rc)
+			dev_err(hdev->dev,
+				"Error during system state dump %d\n", rc);
 		hl_fw_unmask_irq(hdev, event_type);
 		break;
 
-- 
2.25.1

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