Adds new helper function to read from HW sensors via a new AQ command
"Get Sensor Reading (0x0632)".
Currently, this AQ command only supports reading the temperature from
E810 devices with a supported firmware, but in the future it could be
extended to read other sensors.
Signed-off-by: Marcin Domagala <marcinx.domag...@intel.com>
Signed-off-by: Eric Joyner <eric.joy...@intel.com>
Signed-off-by: Qiming Yang <qiming.y...@intel.com>
---
drivers/net/ice/base/ice_adminq_cmd.h | 29 +++++++++++++++++++++
drivers/net/ice/base/ice_common.c | 36 +++++++++++++++++++++++++++
drivers/net/ice/base/ice_common.h | 4 +++
3 files changed, 69 insertions(+)
diff --git a/drivers/net/ice/base/ice_adminq_cmd.h
b/drivers/net/ice/base/ice_adminq_cmd.h
index 8df6ca41e9..844e90bbce 100644
--- a/drivers/net/ice/base/ice_adminq_cmd.h
+++ b/drivers/net/ice/base/ice_adminq_cmd.h
@@ -1666,6 +1666,32 @@ struct ice_aqc_set_mac_lb {
u8 reserved[15];
};
+/* Get sensor reading (direct 0x0632) */
+struct ice_aqc_get_sensor_reading {
+ u8 sensor;
+#define ICE_AQC_INT_TEMP_SENSOR 0x0
+ u8 format;
+#define ICE_AQC_INT_TEMP_FORMAT 0x0
+ u8 reserved[6];
+ __le32 addr_high;
+ __le32 addr_low;
+};
+
+/* Get sensor reading response (direct 0x0632) */
+struct ice_aqc_get_sensor_reading_resp {
+ union {
+ u8 raw[8];
+ /* Output data for sensor 0x00, format 0x00 */
+ struct {
+ s8 temp;
+ u8 temp_warning_threshold;
+ u8 temp_critical_threshold;
+ u8 temp_fatal_threshold;
+ u8 reserved[4];
+ } s0f0;
+ } data;
+};
+
struct ice_aqc_link_topo_params {
u8 lport_num;
u8 lport_num_valid;
@@ -3004,6 +3030,8 @@ struct ice_aq_desc {
struct ice_aqc_get_phy_caps get_phy;
struct ice_aqc_set_phy_cfg set_phy;
struct ice_aqc_restart_an restart_an;
+ struct ice_aqc_get_sensor_reading get_sensor_reading;
+ struct ice_aqc_get_sensor_reading_resp get_sensor_reading_resp;
struct ice_aqc_i2c read_write_i2c;
struct ice_aqc_read_i2c_resp read_i2c_resp;
struct ice_aqc_gpio read_write_gpio;
@@ -3253,6 +3281,7 @@ enum ice_adminq_opc {
ice_aqc_opc_get_link_status = 0x0607,
ice_aqc_opc_set_event_mask = 0x0613,
ice_aqc_opc_set_mac_lb = 0x0620,
+ ice_aqc_opc_get_sensor_reading = 0x0632,
ice_aqc_opc_get_link_topo = 0x06E0,
ice_aqc_opc_get_link_topo_pin = 0x06E1,
ice_aqc_opc_read_i2c = 0x06E2,
diff --git a/drivers/net/ice/base/ice_common.c
b/drivers/net/ice/base/ice_common.c
index f7f43cd7e0..0f26f1d854 100644
--- a/drivers/net/ice/base/ice_common.c
+++ b/drivers/net/ice/base/ice_common.c
@@ -5359,6 +5359,42 @@ ice_cfg_vsi_lan(struct ice_port_info *pi, u16
vsi_handle, u16 tc_bitmap,
ICE_SCHED_NODE_OWNER_LAN);
}
+/**
+ * ice_aq_get_sensor_reading
+ * @hw: pointer to the HW struct
+ * @sensor: sensor type
+ * @format: requested response format
+ * @data: pointer to data to be read from the sensor
+ * @cd: pointer to command details structure or NULL
+ *
+ * Get sensor reading (0x0632)
+ */
+enum ice_status
+ice_aq_get_sensor_reading(struct ice_hw *hw, u8 sensor, u8 format,
+ struct ice_aqc_get_sensor_reading_resp *data,
+ struct ice_sq_cd *cd)
+{
+ struct ice_aqc_get_sensor_reading *cmd;
+ struct ice_aq_desc desc;
+ enum ice_status status;
+
+ if (!data)
+ return ICE_ERR_PARAM;
+
+ ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_sensor_reading);
+ cmd = &desc.params.get_sensor_reading;
+ cmd->sensor = sensor;
+ cmd->format = format;
+
+ status = ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
+
+ if (!status)
+ ice_memcpy(data, &desc.params.get_sensor_reading_resp,
+ sizeof(*data), ICE_NONDMA_TO_NONDMA);
+
+ return status;
+}
+
/**
* ice_is_main_vsi - checks whether the VSI is main VSI
* @hw: pointer to the HW struct
diff --git a/drivers/net/ice/base/ice_common.h
b/drivers/net/ice/base/ice_common.h
index aff361e5aa..0f1be917db 100644
--- a/drivers/net/ice/base/ice_common.h
+++ b/drivers/net/ice/base/ice_common.h
@@ -249,6 +249,10 @@ enum ice_status ice_sbq_rw_reg_lp(struct ice_hw *hw,
void ice_sbq_lock(struct ice_hw *hw);
void ice_sbq_unlock(struct ice_hw *hw);
enum ice_status ice_sbq_rw_reg(struct ice_hw *hw, struct ice_sbq_msg_input
*in);
+enum ice_status
+ice_aq_get_sensor_reading(struct ice_hw *hw, u8 sensor, u8 format,
+ struct ice_aqc_get_sensor_reading_resp *data,
+ struct ice_sq_cd *cd);
void
ice_stat_update40(struct ice_hw *hw, u32 reg, bool prev_stat_loaded,
u64 *prev_stat, u64 *cur_stat);
--
2.25.1
