linux-kernel - [PATCH 05/20] habanalabs/gaudi2: implement fp32 not supported event

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Date:   Thu, 17 Nov 2022 18:19:36 +0200
From:   Oded Gabbay <ogabbay@...nel.org>
To:     linux-kernel@...r.kernel.org
Cc:     Ofir Bitton <obitton@...ana.ai>
Subject: [PATCH 05/20] habanalabs/gaudi2: implement fp32 not supported event

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

Due to binning, Gaudi2 does not always support fp32.
We add support for such an event in case fp32 is used by the user
in such a device.

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/gaudi2/gaudi2.c                      | 5 +++++
 drivers/misc/habanalabs/include/gaudi2/gaudi2_async_events.h | 1 +
 .../include/gaudi2/gaudi2_async_ids_map_extended.h           | 4 +++-
 3 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/drivers/misc/habanalabs/gaudi2/gaudi2.c b/drivers/misc/habanalabs/gaudi2/gaudi2.c
index f21b68be6d20..77bdbab41e6c 100644
--- a/drivers/misc/habanalabs/gaudi2/gaudi2.c
+++ b/drivers/misc/habanalabs/gaudi2/gaudi2.c
@@ -9148,6 +9148,11 @@ static void gaudi2_handle_eqe(struct hl_device *hdev, struct hl_eq_entry *eq_ent
 		event_mask |= HL_NOTIFIER_EVENT_USER_ENGINE_ERR;
 		break;
 
+	case GAUDI2_EVENT_CPU_FP32_NOT_SUPPORTED:
+		event_mask |= HL_NOTIFIER_EVENT_GENERAL_HW_ERR;
+		is_critical = true;
+		break;
+
 	default:
 		if (gaudi2_irq_map_table[event_type].valid)
 			dev_err_ratelimited(hdev->dev, "Cannot find handler for event %d\n",
diff --git a/drivers/misc/habanalabs/include/gaudi2/gaudi2_async_events.h b/drivers/misc/habanalabs/include/gaudi2/gaudi2_async_events.h
index 34406770a76a..305b576222e6 100644
--- a/drivers/misc/habanalabs/include/gaudi2/gaudi2_async_events.h
+++ b/drivers/misc/habanalabs/include/gaudi2/gaudi2_async_events.h
@@ -957,6 +957,7 @@ enum gaudi2_async_event_id {
 	GAUDI2_EVENT_CPU11_STATUS_NIC11_ENG0 = 1317,
 	GAUDI2_EVENT_CPU11_STATUS_NIC11_ENG1 = 1318,
 	GAUDI2_EVENT_ARC_DCCM_FULL = 1319,
+	GAUDI2_EVENT_CPU_FP32_NOT_SUPPORTED = 1320,
 	GAUDI2_EVENT_SIZE,
 };
 
diff --git a/drivers/misc/habanalabs/include/gaudi2/gaudi2_async_ids_map_extended.h b/drivers/misc/habanalabs/include/gaudi2/gaudi2_async_ids_map_extended.h
index 5bd4383c9f2c..d510cb10c883 100644
--- a/drivers/misc/habanalabs/include/gaudi2/gaudi2_async_ids_map_extended.h
+++ b/drivers/misc/habanalabs/include/gaudi2/gaudi2_async_ids_map_extended.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0
  *
- * Copyright 2018-2021 HabanaLabs, Ltd.
+ * Copyright 2018-2022 HabanaLabs, Ltd.
  * All Rights Reserved.
  *
  */
@@ -2663,6 +2663,8 @@ static struct gaudi2_async_events_ids_map gaudi2_irq_map_table[] = {
 		.msg = 1, .reset = 0, .name = "STATUS_NIC11_ENG1" },
 	{ .fc_id = 1319, .cpu_id = 625, .valid = 1,
 		.msg = 1, .reset = 0, .name = "ARC_DCCM_FULL" },
+	{ .fc_id = 1320, .cpu_id = 626, .valid = 1,
+		.msg = 1, .reset = 1, .name = "FP32_NOT_SUPPORTED" },
 };
 
 #endif /* __GAUDI2_ASYNC_IDS_MAP_EVENTS_EXT_H_ */
-- 
2.25.1