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[08/12] accel/habanalabs: handle arc farm razwi

Message ID 20230608133849.2739411-8-ogabbay@kernel.org (mailing list archive)
State New, archived
Headers show
Series [01/12] accel/habanalabs: prevent immediate hard reset due to 2 adjacent H/W events | expand

Commit Message

Oded Gabbay June 8, 2023, 1:38 p.m. UTC 
From: Dani Liberman <dliberman@habana.ai>

Implement razwi handling for arc farm and add it to arc farm sei
event handler.

Signed-off-by: Dani Liberman <dliberman@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
---
 drivers/accel/habanalabs/gaudi2/gaudi2.c | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)
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Patch

diff --git a/drivers/accel/habanalabs/gaudi2/gaudi2.c b/drivers/accel/habanalabs/gaudi2/gaudi2.c
index 899b1c4b53f6..1085215ac51d 100644
--- a/drivers/accel/habanalabs/gaudi2/gaudi2.c
+++ b/drivers/accel/habanalabs/gaudi2/gaudi2.c
@@ -2097,7 +2097,8 @@  enum razwi_event_sources {
 	RAZWI_PDMA,
 	RAZWI_NIC,
 	RAZWI_DEC,
-	RAZWI_ROT
+	RAZWI_ROT,
+	RAZWI_ARC_FARM
 };
 
 struct hbm_mc_error_causes {
@@ -8049,6 +8050,9 @@  static enum gaudi2_engine_id gaudi2_razwi_calc_engine_id(struct hl_device *hdev,
 	case RAZWI_ROT:
 		return GAUDI2_ENGINE_ID_ROT_0 + module_idx;
 
+	case RAZWI_ARC_FARM:
+		return GAUDI2_ENGINE_ID_ARC_FARM;
+
 	default:
 		return GAUDI2_ENGINE_ID_SIZE;
 	}
@@ -8158,6 +8162,11 @@  static void gaudi2_ack_module_razwi_event_handler(struct hl_device *hdev,
 		lbw_rtr_id = gaudi2_rot_initiator_lbw_rtr_id[module_idx];
 		sprintf(initiator_name, "ROT_%u", module_idx);
 		break;
+	case RAZWI_ARC_FARM:
+		lbw_rtr_id = DCORE1_RTR5;
+		hbw_rtr_id = DCORE1_RTR7;
+		sprintf(initiator_name, "ARC_FARM_%u", module_idx);
+		break;
 	default:
 		return;
 	}
@@ -8611,7 +8620,7 @@  static int gaudi2_handle_qman_err(struct hl_device *hdev, u16 event_type, u64 *e
 	return error_count;
 }
 
-static int gaudi2_handle_arc_farm_sei_err(struct hl_device *hdev, u16 event_type)
+static int gaudi2_handle_arc_farm_sei_err(struct hl_device *hdev, u16 event_type, u64 *event_mask)
 {
 	u32 i, sts_val, sts_clr_val, error_count = 0, arc_farm;
 
@@ -8633,6 +8642,7 @@  static int gaudi2_handle_arc_farm_sei_err(struct hl_device *hdev, u16 event_type
 				sts_clr_val);
 	}
 
+	gaudi2_ack_module_razwi_event_handler(hdev, RAZWI_ARC_FARM, 0, 0, event_mask);
 	hl_check_for_glbl_errors(hdev);
 
 	return error_count;
@@ -9619,7 +9629,7 @@  static void gaudi2_handle_eqe(struct hl_device *hdev, struct hl_eq_entry *eq_ent
 		break;
 
 	case GAUDI2_EVENT_ARC_AXI_ERROR_RESPONSE_0:
-		error_count = gaudi2_handle_arc_farm_sei_err(hdev, event_type);
+		error_count = gaudi2_handle_arc_farm_sei_err(hdev, event_type, &event_mask);
 		event_mask |= HL_NOTIFIER_EVENT_USER_ENGINE_ERR;
 		break;