linux-kernel - [PATCH 5.10 114/122] bnxt_en: log firmware debug notifications

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Date:   Mon, 20 Sep 2021 18:44:46 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Pavan Chebbi <pavan.chebbi@...adcom.com>,
        Edwin Peer <edwin.peer@...adcom.com>,
        Michael Chan <michael.chan@...adcom.com>,
        Willem de Bruijn <willemb@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.10 114/122] bnxt_en: log firmware debug notifications

From: Edwin Peer <edwin.peer@...adcom.com>

[ Upstream commit a44daa8fcbcf572545c4c1a7908b3fbb38388048 ]

Firmware is capable of generating asynchronous debug notifications.
The event data is opaque to the driver and is simply logged. Debug
notifications can be enabled by turning on hardware status messages
using the ethtool msglvl interface.

Reviewed-by: Pavan Chebbi <pavan.chebbi@...adcom.com>
Signed-off-by: Edwin Peer <edwin.peer@...adcom.com>
Signed-off-by: Michael Chan <michael.chan@...adcom.com>
Acked-by: Willem de Bruijn <willemb@...gle.com>
Signed-off-by: Jakub Kicinski <kuba@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/net/ethernet/broadcom/bnxt/bnxt.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index 1def6caba349..621634d40966 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -272,6 +272,7 @@ static const u16 bnxt_async_events_arr[] = {
 	ASYNC_EVENT_CMPL_EVENT_ID_PORT_PHY_CFG_CHANGE,
 	ASYNC_EVENT_CMPL_EVENT_ID_RESET_NOTIFY,
 	ASYNC_EVENT_CMPL_EVENT_ID_ERROR_RECOVERY,
+	ASYNC_EVENT_CMPL_EVENT_ID_DEBUG_NOTIFICATION,
 	ASYNC_EVENT_CMPL_EVENT_ID_RING_MONITOR_MSG,
 };
 
@@ -2132,6 +2133,13 @@ static int bnxt_async_event_process(struct bnxt *bp,
 			bnxt_fw_health_readl(bp, BNXT_FW_RESET_CNT_REG);
 		goto async_event_process_exit;
 	}
+	case ASYNC_EVENT_CMPL_EVENT_ID_DEBUG_NOTIFICATION:
+		if (netif_msg_hw(bp)) {
+			netdev_notice(bp->dev,
+				      "Received firmware debug notification, data1: 0x%x, data2: 0x%x\n",
+				      data1, data2);
+		}
+		goto async_event_process_exit;
 	case ASYNC_EVENT_CMPL_EVENT_ID_RING_MONITOR_MSG: {
 		struct bnxt_rx_ring_info *rxr;
 		u16 grp_idx;
-- 
2.30.2