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Date:      Thu, 25 Oct 2018 14:07:29 +0000 (UTC)
From:      Slava Shwartsman <slavash@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-12@freebsd.org
Subject:   svn commit: r339711 - in stable/12/sys/dev/mlx5: . mlx5_core
Message-ID:  <201810251407.w9PE7Tdp031950@repo.freebsd.org>

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Author: slavash
Date: Thu Oct 25 14:07:28 2018
New Revision: 339711
URL: https://svnweb.freebsd.org/changeset/base/339711

Log:
  MFC r339584:
  mlx5: Notify user that the ConnectX-6 shutdown its port due to power limitation
  
  If power exceed the slot limit, or slot limit is unknown the ConnectX-6
  firmware will shutdown its port.
  Inform the user via debug message.
  
  Approved by:    re(rgrimes), hselasky (mentor), kib (mentor)
  Sponsored by:   Mellanox Technologies

Modified:
  stable/12/sys/dev/mlx5/device.h
  stable/12/sys/dev/mlx5/mlx5_core/mlx5_eq.c
Directory Properties:
  stable/12/   (props changed)

Modified: stable/12/sys/dev/mlx5/device.h
==============================================================================
--- stable/12/sys/dev/mlx5/device.h	Thu Oct 25 13:46:28 2018	(r339710)
+++ stable/12/sys/dev/mlx5/device.h	Thu Oct 25 14:07:28 2018	(r339711)
@@ -549,6 +549,7 @@ enum {
 	MLX5_MODULE_EVENT_ERROR_UNSUPPORTED_CABLE                     = 0x5,
 	MLX5_MODULE_EVENT_ERROR_HIGH_TEMPERATURE                      = 0x6,
 	MLX5_MODULE_EVENT_ERROR_CABLE_IS_SHORTED                      = 0x7,
+	MLX5_MODULE_EVENT_ERROR_PCIE_SYSTEM_POWER_SLOT_EXCEEDED       = 0xc,
 };
 
 struct mlx5_eqe_port_module_event {

Modified: stable/12/sys/dev/mlx5/mlx5_core/mlx5_eq.c
==============================================================================
--- stable/12/sys/dev/mlx5/mlx5_core/mlx5_eq.c	Thu Oct 25 13:46:28 2018	(r339710)
+++ stable/12/sys/dev/mlx5/mlx5_core/mlx5_eq.c	Thu Oct 25 14:07:28 2018	(r339711)
@@ -615,6 +615,12 @@ static const char *mlx5_port_module_event_error_type_t
 		return "High Temperature";
 	case MLX5_MODULE_EVENT_ERROR_CABLE_IS_SHORTED:
 		return "Cable is shorted";
+	case MLX5_MODULE_EVENT_ERROR_PCIE_SYSTEM_POWER_SLOT_EXCEEDED:
+		return "One or more network ports have been powered "
+			"down due to insufficient/unadvertised power on "
+			"the PCIe slot. Please refer to the card's user "
+			"manual for power specifications or contact "
+			"Mellanox support.";
 
 	default:
 		return "Unknown error type";



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