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Code Issues Releases Activity

Add temperature warning event to log in mlx5core.

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Temperature warning event is sent by FW to indicate high temperature
as detected by one of the sensors on the board.
Add handling of this event by writing the numbers of the alert sensors
to the kernel log.

Linux commit:
1865ea9adbfaf341c5cd5d8f7d384f19948b2fe9

Submitted by:	slavash@
MFC after:	3 days
Sponsored by:	Mellanox Technologies
This commit is contained in:
Hans Petter Selasky 2019-05-08 10:28:18 +00:00
parent 7646dc2347
commit 983026ea83
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=347250
3 changed files with 25 additions and 1 deletions
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6
sys/dev/mlx5/device.h
View File

@ -566,6 +566,11 @@ struct mlx5_eqe_general_notification_event {
u32 rsvd0[6];
};
struct mlx5_eqe_temp_warning {
__be64 sensor_warning_msb;
__be64 sensor_warning_lsb;
} __packed;
union ev_data {
__be32 raw[7];
struct mlx5_eqe_cmd cmd;
@ -580,6 +585,7 @@ union ev_data {
struct mlx5_eqe_port_module_event port_module_event;
struct mlx5_eqe_vport_change vport_change;
struct mlx5_eqe_general_notification_event general_notifications;
struct mlx5_eqe_temp_warning temp_warning;
} __packed;
struct mlx5_eqe {

18
sys/dev/mlx5/mlx5_core/mlx5_eq.c
View File

@ -142,6 +142,8 @@ static const char *eqe_type_str(u8 type)
return "MLX5_EVENT_TYPE_GPIO_EVENT";
case MLX5_EVENT_TYPE_CODING_PORT_MODULE_EVENT:
return "MLX5_EVENT_TYPE_PORT_MODULE_EVENT";
case MLX5_EVENT_TYPE_TEMP_WARN_EVENT:
return "MLX5_EVENT_TYPE_TEMP_WARN_EVENT";
case MLX5_EVENT_TYPE_REMOTE_CONFIG:
return "MLX5_EVENT_TYPE_REMOTE_CONFIG";
case MLX5_EVENT_TYPE_DB_BF_CONGESTION:
@ -212,6 +214,16 @@ static void eq_update_ci(struct mlx5_eq *eq, int arm)
mb();
}
static void
mlx5_temp_warning_event(struct mlx5_core_dev *dev, struct mlx5_eqe *eqe)
{
mlx5_core_warn(dev,
"High temperature on sensors with bit set %#jx %#jx",
(uintmax_t)be64_to_cpu(eqe->data.temp_warning.sensor_warning_msb),
(uintmax_t)be64_to_cpu(eqe->data.temp_warning.sensor_warning_lsb));
}
static int mlx5_eq_int(struct mlx5_core_dev *dev, struct mlx5_eq *eq)
{
struct mlx5_eqe *eqe;
@ -347,6 +359,9 @@ static int mlx5_eq_int(struct mlx5_core_dev *dev, struct mlx5_eq *eq)
case MLX5_EVENT_TYPE_FPGA_QP_ERROR:
mlx5_fpga_event(dev, eqe->type, &eqe->data.raw);
break;
case MLX5_EVENT_TYPE_TEMP_WARN_EVENT:
mlx5_temp_warning_event(dev, eqe);
break;
default:
mlx5_core_warn(dev, "Unhandled event 0x%x on EQ 0x%x\n",
@ -541,6 +556,9 @@ int mlx5_start_eqs(struct mlx5_core_dev *dev)
async_event_mask |= (1ull << MLX5_EVENT_TYPE_FPGA_ERROR) |
(1ull << MLX5_EVENT_TYPE_FPGA_QP_ERROR);
if (MLX5_CAP_GEN(dev, temp_warn_event))
async_event_mask |= (1ull << MLX5_EVENT_TYPE_TEMP_WARN_EVENT);
err = mlx5_create_map_eq(dev, &table->cmd_eq, MLX5_EQ_VEC_CMD,
MLX5_NUM_CMD_EQE, 1ull << MLX5_EVENT_TYPE_CMD,
"mlx5_cmd_eq", &dev->priv.uuari.uars[0]);

2
sys/dev/mlx5/mlx5_ifc.h
View File

@ -50,7 +50,7 @@ enum {
MLX5_EVENT_TYPE_PORT_CHANGE = 0x9,
MLX5_EVENT_TYPE_GPIO_EVENT = 0x15,
MLX5_EVENT_TYPE_CODING_PORT_MODULE_EVENT = 0x16,
MLX5_EVENT_TYPE_CODING_TEMP_WARNING_EVENT = 0x17,
MLX5_EVENT_TYPE_TEMP_WARN_EVENT = 0x17,
MLX5_EVENT_TYPE_REMOTE_CONFIG = 0x19,
MLX5_EVENT_TYPE_CODING_DCBX_CHANGE_EVENT = 0x1e,
MLX5_EVENT_TYPE_CODING_PPS_EVENT = 0x25,