net/mlx5: Add support for PCIe power slot exceeded error in PME

Mikhael Goikhman · Saeed Mahameed · commit 37a12aae06fd · 2018-12-10T14:00:08.000-08:00
Support a new hardware error type in port module events:
- error_type=0xc (PCIe system power slot exceeded)

Signed-off-by: Mikhael Goikhman &lt;migo@mellanox.com&gt;
Signed-off-by: Saeed Mahameed &lt;saeedm@mellanox.com&gt;
diff --git 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
@@ -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,
 };
 

Original file line number	Diff line number	Diff line change
`@@ -190,6 +190,8 @@ static const char *mlx5_pme_error_to_string(enum port_module_event_error_type er`
`190`	`190`	`return "High Temperature";`
`191`	`191`	`case MLX5_MODULE_EVENT_ERROR_BAD_CABLE:`
`192`	`192`	`return "Bad or shorted cable/module";`
	`193`	`+ case MLX5_MODULE_EVENT_ERROR_PCIE_POWER_SLOT_EXCEEDED:`
	`194`	`+ return "One or more network ports have been powered down due to insufficient/unadvertised power on the PCIe slot";`
`193`	`195`	`default:`
`194`	`196`	`return "Unknown error";`
`195`	`197`	`}`