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| author |   Konrad Knitter <konrad.knitter@intel.com> | 2023-12-01 10:08:39 -0800 |
|---|---|---|
| committer |   Paolo Abeni <pabeni@redhat.com> | 2023-12-05 11:40:12 +0100 |
| commit | 4da71a77fc3be1fcb680c8d78e1a1fb8017905ad (patch) | |
| tree | 5139ccae21049c4595770699354acc1cac1f20a7 /drivers/net/ethernet/intel/ice/ice_common.h | |
| parent | Merge branch 'net-sched-act_api-contiguous-action-arrays' (diff) | |
| download | linux-4da71a77fc3be1fcb680c8d78e1a1fb8017905ad.tar.xz linux-4da71a77fc3be1fcb680c8d78e1a1fb8017905ad.zip | |
ice: read internal temperature sensor
Since 4.30 firmware exposes internal thermal sensor reading via admin
queue commands. Expose those readouts via hwmon API when supported.
Datasheet:
Get Sensor Reading Command (Opcode: 0x0632)
+--------------------+--------+--------------------+-------------------------+
| Name | Bytes | Value | Remarks |
+--------------------+--------+--------------------+-------------------------+
| Flags | 1-0 | | |
| Opcode | 2-3 | 0x0632 | Command opcode |
| Datalen | 4-5 | 0 | No external buffer. |
| Return value | 6-7 | | Return value. |
| Cookie High | 8-11 | Cookie | |
| Cookie Low | 12-15 | Cookie | |
| Sensor | 16 | | 0x00: Internal temp |
| | | | 0x01-0xFF: Reserved. |
| Format | 17 | Requested response | Only 0x00 is supported. |
| | | format | 0x01-0xFF: Reserved. |
| Reserved | 18-23 | | |
| Data Address high | 24-27 | Response buffer | |
| | | address | |
| Data Address low | 28-31 | Response buffer | |
| | | address | |
+--------------------+--------+--------------------+-------------------------+
Get Sensor Reading Response (Opcode: 0x0632)
+--------------------+--------+--------------------+-------------------------+
| Name | Bytes | Value | Remarks |
+--------------------+--------+--------------------+-------------------------+
| Flags | 1-0 | | |
| Opcode | 2-3 | 0x0632 | Command opcode |
| Datalen | 4-5 | 0 | No external buffer |
| Return value | 6-7 | | Return value. |
| | | | EINVAL: Invalid |
| | | | parameters |
| | | | ENOENT: Unsupported |
| | | | sensor |
| | | | EIO: Sensor access |
| | | | error |
| Cookie High | 8-11 | Cookie | |
| Cookie Low | 12-15 | Cookie | |
| Sensor Reading | 16-23 | | Format of the reading |
| | | | is dependent on request |
| Data Address high | 24-27 | Response buffer | |
| | | address | |
| Data Address low | 28-31 | Response buffer | |
| | | address | |
+--------------------+--------+--------------------+-------------------------+
Sensor Reading for Sensor 0x00 (Internal Chip Temperature):
+--------------------+--------+--------------------+-------------------------+
| Name | Bytes | Value | Remarks |
+--------------------+--------+--------------------+-------------------------+
| Thermal Sensor | 0 | | Reading in degrees |
| reading | | | Celsius. Signed int8 |
| Warning High | 1 | | Warning High threshold |
| threshold | | | in degrees Celsius. |
| | | | Unsigned int8. |
| | | | 0xFF when unsupported |
| Critical High | 2 | | Critical High threshold |
| threshold | | | in degrees Celsius. |
| | | | Unsigned int8. |
| | | | 0xFF when unsupported |
| Fatal High | 3 | | Fatal High threshold |
| threshold | | | in degrees Celsius. |
| | | | Unsigned int8. |
| | | | 0xFF when unsupported |
| Reserved | 4-7 | | |
+--------------------+--------+--------------------+-------------------------+
Driver provides current reading from HW as well as device specific
thresholds for thermal alarm (Warning, Critical, Fatal) events.
$ sensors
Output
=========================================================
ice-pci-b100
Adapter: PCI adapter
temp1: +62.0°C (high = +95.0°C, crit = +105.0°C)
(emerg = +115.0°C)
Tested on Intel Corporation Ethernet Controller E810-C for SFP
Co-developed-by: Marcin Domagala <marcinx.domagala@intel.com>
Signed-off-by: Marcin Domagala <marcinx.domagala@intel.com>
Co-developed-by: Eric Joyner <eric.joyner@intel.com>
Signed-off-by: Eric Joyner <eric.joyner@intel.com>
Reviewed-by: Marcin Szycik <marcin.szycik@linux.intel.com>
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Signed-off-by: Konrad Knitter <konrad.knitter@intel.com>
Tested-by: Pucha Himasekhar Reddy <himasekharx.reddy.pucha@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_common.h')
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice_common.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_common.h b/drivers/net/ethernet/intel/ice/ice_common.h index 31fdcac33986..5f7aa293d4ae 100644 --- a/drivers/net/ethernet/intel/ice/ice_common.h +++ b/drivers/net/ethernet/intel/ice/ice_common.h @@ -241,6 +241,8 @@ ice_aq_set_phy_rec_clk_out(struct ice_hw *hw, u8 phy_output, bool enable, int ice_aq_get_phy_rec_clk_out(struct ice_hw *hw, u8 *phy_output, u8 *port_num, u8 *flags, u16 *node_handle); +int ice_aq_get_sensor_reading(struct ice_hw *hw, + struct ice_aqc_get_sensor_reading_resp *data); void ice_stat_update40(struct ice_hw *hw, u32 reg, bool prev_stat_loaded, u64 *prev_stat, u64 *cur_stat); |