netdev - [V3 net 11/16] net/mlx5: Update fw fatal reporter state on PCI handlers successful recover

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Message-Id: <20221024115357.37278-12-saeed@kernel.org>
Date:   Mon, 24 Oct 2022 12:53:52 +0100
From:   Saeed Mahameed <saeed@...nel.org>
To:     "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Eric Dumazet <edumazet@...gle.com>
Cc:     Saeed Mahameed <saeedm@...dia.com>, netdev@...r.kernel.org,
        Tariq Toukan <tariqt@...dia.com>,
        Roy Novich <royno@...dia.com>,
        Moshe Shemesh <moshe@...dia.com>, Aya Levin <ayal@...dia.com>
Subject: [V3 net 11/16] net/mlx5: Update fw fatal reporter state on PCI handlers successful recover

From: Roy Novich <royno@...dia.com>

Update devlink health fw fatal reporter state to "healthy" is needed by
strictly calling devlink_health_reporter_state_update() after recovery
was done by PCI error handler. This is needed when fw_fatal reporter was
triggered due to PCI error. Poll health is called and set reporter state
to error. Health recovery failed (since EEH didn't re-enable the PCI).
PCI handlers keep on recover flow and succeed later without devlink
acknowledgment. Fix this by adding devlink state update at the end of
the PCI handler recovery process.

Fixes: 6181e5cb752e ("devlink: add support for reporter recovery completion")
Signed-off-by: Roy Novich <royno@...dia.com>
Reviewed-by: Moshe Shemesh <moshe@...dia.com>
Reviewed-by: Aya Levin <ayal@...dia.com>
Signed-off-by: Saeed Mahameed <saeedm@...dia.com>
---
 drivers/net/ethernet/mellanox/mlx5/core/main.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c
index 0b459d841c3a..283c4cc28944 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c
@@ -1872,6 +1872,10 @@ static void mlx5_pci_resume(struct pci_dev *pdev)
 
 	err = mlx5_load_one(dev, false);
 
+	if (!err)
+		devlink_health_reporter_state_update(dev->priv.health.fw_fatal_reporter,
+						     DEVLINK_HEALTH_REPORTER_STATE_HEALTHY);
+
 	mlx5_pci_trace(dev, "Done, err = %d, device %s\n", err,
 		       !err ? "recovered" : "Failed");
 }
-- 
2.37.3