[PATCH mlx5-next 02/10] net/mlx5: Add support for PCIe power slot exceeded error in PME

Saeed Mahameed
2018-12-10T03:04:34Z

From: Mikhael Goikhman <migo@mellanox.com>

Support a new hardware error type in port module events:
- error_type=0xc (PCIe system power slot exceeded)

Signed-off-by: Mikhael Goikhman <migo@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
---
drivers/net/ethernet/mellanox/mlx5/core/events.c | 2 ++
drivers/net/ethernet/mellanox/mlx5/core/lib/mlx5.h | 1 +
2 files changed, 3 insertions(+)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/events.c b/drivers/net/ethernet/mellanox/mlx5/core/events.c
index 587d93ec905f..ba9249bcfcba 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/events.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/events.c
@@ -190,6 +190,8 @@ static const char *mlx5_pme_error_to_string(enum port_module_event_error_type er
return "High Temperature";
case MLX5_MODULE_EVENT_ERROR_BAD_CABLE:
return "Bad or shorted cable/module";
+ case MLX5_MODULE_EVENT_ERROR_PCIE_POWER_SLOT_EXCEEDED:
+ return "One or more network ports have been powered down due to insufficient/unadvertised power on the PCIe slot";
default:
return "Unknown error";
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/mlx5.h b/drivers/net/ethernet/mellanox/mlx5/core/lib/mlx5.h
index af19fa61e9ef..979970f8fa0f 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/lib/mlx5.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/mlx5.h
@@ -63,6 +63,7 @@ enum port_module_event_error_type {
MLX5_MODULE_EVENT_ERROR_UNKNOWN_IDENTIFIER = 0x5,
MLX5_MODULE_EVENT_ERROR_HIGH_TEMPERATURE = 0x6,
MLX5_MODULE_EVENT_ERROR_BAD_CABLE = 0x7,
+ MLX5_MODULE_EVENT_ERROR_PCIE_POWER_SLOT_EXCEEDED = 0xc,
MLX5_MODULE_EVENT_ERROR_NUM,
};

--
2.19.2