linux-kernel - [PATCH 04/13] accel/habanalabs/gaudi2: check extended errors according to PCIe addr

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Message-Id: <20240220160129.909714-4-ogabbay@kernel.org>
Date: Tue, 20 Feb 2024 18:01:20 +0200
From: Oded Gabbay <ogabbay@...nel.org>
To: dri-devel@...ts.freedesktop.org,
	linux-kernel@...r.kernel.org
Cc: Tomer Tayar <ttayar@...ana.ai>
Subject: [PATCH 04/13] accel/habanalabs/gaudi2: check extended errors according to PCIe addr_dec interrupt info

From: Tomer Tayar <ttayar@...ana.ai>

The FW interrupt info for a PCIe addr_dec event is set correctly, so
check for either global errors or razwi according to the indications
there.

Signed-off-by: Tomer Tayar <ttayar@...ana.ai>
Reviewed-by: Oded Gabbay <ogabbay@...nel.org>
Signed-off-by: Oded Gabbay <ogabbay@...nel.org>
---
 drivers/accel/habanalabs/gaudi2/gaudi2.c | 18 ++++++++----------
 1 file changed, 8 insertions(+), 10 deletions(-)

diff --git a/drivers/accel/habanalabs/gaudi2/gaudi2.c b/drivers/accel/habanalabs/gaudi2/gaudi2.c
index 26975179763a..671241735a6e 100644
--- a/drivers/accel/habanalabs/gaudi2/gaudi2.c
+++ b/drivers/accel/habanalabs/gaudi2/gaudi2.c
@@ -8942,9 +8942,6 @@ static int gaudi2_print_pcie_addr_dec_info(struct hl_device *hdev, u16 event_typ
 	u32 error_count = 0;
 	int i;
 
-	gaudi2_print_event(hdev, event_type, true,
-		"intr_cause_data: %#llx", intr_cause_data);
-
 	for (i = 0 ; i < GAUDI2_NUM_OF_PCIE_ADDR_DEC_ERR_CAUSE ; i++) {
 		if (!(intr_cause_data & BIT_ULL(i)))
 			continue;
@@ -8953,15 +8950,16 @@ static int gaudi2_print_pcie_addr_dec_info(struct hl_device *hdev, u16 event_typ
 			"err cause: %s", gaudi2_pcie_addr_dec_error_cause[i]);
 		error_count++;
 
-		/*
-		 * Always check for LBW and HBW additional info as the indication itself is
-		 * sometimes missing
-		 */
+		switch (intr_cause_data & BIT_ULL(i)) {
+		case PCIE_WRAP_PCIE_IC_SEI_INTR_IND_AXI_LBW_ERR_INTR_MASK:
+			hl_check_for_glbl_errors(hdev);
+			break;
+		case PCIE_WRAP_PCIE_IC_SEI_INTR_IND_BAD_ACCESS_INTR_MASK:
+			gaudi2_print_pcie_mstr_rr_mstr_if_razwi_info(hdev, event_mask);
+			break;
+		}
 	}
 
-	hl_check_for_glbl_errors(hdev);
-	gaudi2_print_pcie_mstr_rr_mstr_if_razwi_info(hdev, event_mask);
-
 	return error_count;
 }
 
-- 
2.34.1