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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: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Dotan Barak <dotanb@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
This commit is contained in:
Jack Morgenstein 2012-03-06 15:50:49 +02:00 committed by Roland Dreier
parent e10903b087
commit 5984be9004
3 changed files with 40 additions and 1 deletions
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32
drivers/net/ethernet/mellanox/mlx4/eq.c
View File

@ -79,7 +79,8 @@ enum {
(1ull << MLX4_EVENT_TYPE_SRQ_LIMIT) | \
(1ull << MLX4_EVENT_TYPE_CMD) | \
(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)
{
@ -443,6 +444,35 @@ static int mlx4_eq_int(struct mlx4_dev *dev, struct mlx4_eq *eq)
queue_work(priv->mfunc.master.comm_wq,
&priv->mfunc.master.slave_flr_event_work);
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_ECC_DETECT:
default:

4
drivers/net/ethernet/mellanox/mlx4/mlx4.h
View File

@ -363,6 +363,10 @@ struct mlx4_eqe {
struct {
__be32 slave_id;
} __packed flr_event;
struct {
__be16 current_temperature;
__be16 warning_threshold;
} __packed warming;
} event;
u8 slave_id;
u8 reserved3[2];

5
include/linux/mlx4/device.h
View File

@ -133,6 +133,7 @@ enum mlx4_event {
MLX4_EVENT_TYPE_CMD = 0x0a,
MLX4_EVENT_TYPE_VEP_UPDATE = 0x19,
MLX4_EVENT_TYPE_COMM_CHANNEL = 0x18,
MLX4_EVENT_TYPE_FATAL_WARNING = 0x1b,
MLX4_EVENT_TYPE_FLR_EVENT = 0x1c,
MLX4_EVENT_TYPE_NONE = 0xff,
};
@ -142,6 +143,10 @@ enum {
MLX4_PORT_CHANGE_SUBTYPE_ACTIVE = 4
};
enum {
MLX4_FATAL_WARNING_SUBTYPE_WARMING = 0,
};
enum {
MLX4_PERM_LOCAL_READ = 1 << 10,
MLX4_PERM_LOCAL_WRITE = 1 << 11,