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Commit 5984be90 authored by Jack Morgenstein's avatar Jack Morgenstein Committed by Roland Dreier
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mlx4_core: Report thermal error events 



Print an error message when a thermal error async event is reported by the HW.

Signed-off-by: default avatarJack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: default avatarDotan Barak <dotanb@mellanox.com>
Signed-off-by: default avatarRoland Dreier <roland@purestorage.com>
parent e10903b0

drivers/net/ethernet/mellanox/mlx4/eq.c

+31 −1
Original line number Original line Diff line number Diff line
@@ -79,7 +79,8 @@ enum { 
			       (1ull << MLX4_EVENT_TYPE_SRQ_LIMIT)	    | \

			       (1ull << MLX4_EVENT_TYPE_SRQ_LIMIT)	    | \

			       (1ull << MLX4_EVENT_TYPE_CMD)		    | \

			       (1ull << MLX4_EVENT_TYPE_CMD)		    | \

			       (1ull << MLX4_EVENT_TYPE_COMM_CHANNEL)       | \

			       (1ull << MLX4_EVENT_TYPE_COMM_CHANNEL)       | \

			       (1ull << MLX4_EVENT_TYPE_FLR_EVENT))

			       (1ull << MLX4_EVENT_TYPE_FLR_EVENT)	    | \

			       (1ull << MLX4_EVENT_TYPE_FATAL_WARNING))





static void eq_set_ci(struct mlx4_eq *eq, int req_not)

static void eq_set_ci(struct mlx4_eq *eq, int req_not)

{

{
@@ -443,6 +444,35 @@ static int mlx4_eq_int(struct mlx4_dev *dev, struct mlx4_eq *eq) 
			queue_work(priv->mfunc.master.comm_wq,

			queue_work(priv->mfunc.master.comm_wq,

				   &priv->mfunc.master.slave_flr_event_work);

				   &priv->mfunc.master.slave_flr_event_work);

			break;

			break;



		case MLX4_EVENT_TYPE_FATAL_WARNING:

			if (eqe->subtype == MLX4_FATAL_WARNING_SUBTYPE_WARMING) {

				if (mlx4_is_master(dev))

					for (i = 0; i < dev->num_slaves; i++) {

						mlx4_dbg(dev, "%s: Sending "

							"MLX4_FATAL_WARNING_SUBTYPE_WARMING"

							" to slave: %d\n", __func__, i);

						if (i == dev->caps.function)

							continue;

						mlx4_slave_event(dev, i, eqe);

					}

				mlx4_err(dev, "Temperature Threshold was reached! "

					"Threshold: %d celsius degrees; "

					"Current Temperature: %d\n",

					be16_to_cpu(eqe->event.warming.warning_threshold),

					be16_to_cpu(eqe->event.warming.current_temperature));

			} else

				mlx4_warn(dev, "Unhandled event FATAL WARNING (%02x), "

					  "subtype %02x on EQ %d at index %u. owner=%x, "

					  "nent=0x%x, slave=%x, ownership=%s\n",

					  eqe->type, eqe->subtype, eq->eqn,

					  eq->cons_index, eqe->owner, eq->nent,

					  eqe->slave_id,

					  !!(eqe->owner & 0x80) ^

					  !!(eq->cons_index & eq->nent) ? "HW" : "SW");



			break;



		case MLX4_EVENT_TYPE_EEC_CATAS_ERROR:

		case MLX4_EVENT_TYPE_EEC_CATAS_ERROR:

		case MLX4_EVENT_TYPE_ECC_DETECT:

		case MLX4_EVENT_TYPE_ECC_DETECT:

		default:

		default:

drivers/net/ethernet/mellanox/mlx4/mlx4.h

+4 −0
Original line number Original line Diff line number Diff line
@@ -363,6 +363,10 @@ struct mlx4_eqe { 
		struct {

		struct {

			__be32	slave_id;

			__be32	slave_id;

		} __packed flr_event;

		} __packed flr_event;

		struct {

			__be16  current_temperature;

			__be16  warning_threshold;

		} __packed warming;

	}			event;

	}			event;

	u8			slave_id;

	u8			slave_id;

	u8			reserved3[2];

	u8			reserved3[2];

include/linux/mlx4/device.h

+5 −0
Original line number Original line Diff line number Diff line
@@ -133,6 +133,7 @@ enum mlx4_event { 
	MLX4_EVENT_TYPE_CMD		   = 0x0a,

	MLX4_EVENT_TYPE_CMD		   = 0x0a,

	MLX4_EVENT_TYPE_VEP_UPDATE	   = 0x19,

	MLX4_EVENT_TYPE_VEP_UPDATE	   = 0x19,

	MLX4_EVENT_TYPE_COMM_CHANNEL	   = 0x18,

	MLX4_EVENT_TYPE_COMM_CHANNEL	   = 0x18,

	MLX4_EVENT_TYPE_FATAL_WARNING	   = 0x1b,

	MLX4_EVENT_TYPE_FLR_EVENT	   = 0x1c,

	MLX4_EVENT_TYPE_FLR_EVENT	   = 0x1c,

	MLX4_EVENT_TYPE_NONE		   = 0xff,

	MLX4_EVENT_TYPE_NONE		   = 0xff,

};

};
@@ -142,6 +143,10 @@ enum { 
	MLX4_PORT_CHANGE_SUBTYPE_ACTIVE	= 4

	MLX4_PORT_CHANGE_SUBTYPE_ACTIVE	= 4

};

};





enum {

	MLX4_FATAL_WARNING_SUBTYPE_WARMING = 0,

};



enum {

enum {

	MLX4_PERM_LOCAL_READ	= 1 << 10,

	MLX4_PERM_LOCAL_READ	= 1 << 10,

	MLX4_PERM_LOCAL_WRITE	= 1 << 11,

	MLX4_PERM_LOCAL_WRITE	= 1 << 11,