> -----Original Message-----
> From: Guenter Roeck <groe...@gmail.com> On Behalf Of Guenter Roeck
> Sent: Monday, October 23, 2023 3:36 PM
> To: Knitter, Konrad <konrad.knit...@intel.com>; intel-wired-
> l...@lists.osuosl.org
> Cc: net...@vger.kernel.org; jdelv...@suse.com; Marcin Domagala
> <marcinx.domag...@intel.com>; Joyner, Eric <eric.joy...@intel.com>; Marcin
> Szycik <marcin.szy...@linux.intel.com>; Kitszel, Przemyslaw
> <przemyslaw.kits...@intel.com>
> Subject: Re: [PATCH iwl-next v4] ice: read internal temperature sensor
>
> On 10/23/23 04:37, Knitter, Konrad wrote:
> >> -----Original Message-----
> >> From: Guenter Roeck <groe...@gmail.com> On Behalf Of Guenter Roeck
> >> Sent: Sunday, October 22, 2023 6:46 PM
> >> To: Knitter, Konrad <konrad.knit...@intel.com>; intel-wired-
> >> l...@lists.osuosl.org
> >> Cc: net...@vger.kernel.org; jdelv...@suse.com; Marcin Domagala
> >> <marcinx.domag...@intel.com>; Joyner, Eric <eric.joy...@intel.com>;
> Marcin
> >> Szycik <marcin.szy...@linux.intel.com>; Kitszel, Przemyslaw
> >> <przemyslaw.kits...@intel.com>
> >> Subject: Re: [PATCH iwl-next v4] ice: read internal temperature sensor
> >>
> >> On 10/16/23 03:29, Konrad Knitter wrote:
> >>> Since 4.30 firmware exposes internal thermal sensor reading via admin
> >>> queue commands. Expose those readouts via hwmon API when
> supported.
> >>>
> >>> 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)
> >>>
> >>> Co-developed-by: Marcin Domagala <marcinx.domag...@intel.com>
> >>> Signed-off-by: Marcin Domagala <marcinx.domag...@intel.com>
> >>> Co-developed-by: Eric Joyner <eric.joy...@intel.com>
> >>> Signed-off-by: Eric Joyner <eric.joy...@intel.com>
> >>> Reviewed-by: Marcin Szycik <marcin.szy...@linux.intel.com>
> >>> Reviewed-by: Przemek Kitszel <przemyslaw.kits...@intel.com>
> >>> Signed-off-by: Konrad Knitter <konrad.knit...@intel.com>
> >>> ---
> >>> v4: added dependency config_hwmon, cleanups
> >>
> >>
> >> Have yo tried to compile this with CONFIG_ICE=y and CONFIG_HWMON=m
> ?
> >>
> >> Guenter
> >
> > CONFIG_ICE can be set to M/n only.
> > When I try CONFIG_ICE=y, it's forced to CONFIG_ICE=m.
> >
>
> Is that so ?
>
> $ make allyesconfig
> $ grep CONFIG_ICE .config
> CONFIG_ICE=y
>
> Guenter
>
Thank you! I wasn't aware I could force it.
Indeed, there is an issue I will address in the next revision.
> >>> v3: add SPDX identification to ice_hwmon files
> >>> v2: fix formmating issues, added hwmon maintainers to Cc
> >>> ---
> >>> drivers/net/ethernet/intel/ice/Makefile | 1 +
> >>> drivers/net/ethernet/intel/ice/ice.h | 1 +
> >>> .../net/ethernet/intel/ice/ice_adminq_cmd.h | 28 ++++
> >>> drivers/net/ethernet/intel/ice/ice_common.c | 56 +++++++-
> >>> drivers/net/ethernet/intel/ice/ice_common.h | 2 +
> >>> drivers/net/ethernet/intel/ice/ice_hwmon.c | 126
> >> ++++++++++++++++++
> >>> drivers/net/ethernet/intel/ice/ice_hwmon.h | 15 +++
> >>> drivers/net/ethernet/intel/ice/ice_main.c | 5 +
> >>> drivers/net/ethernet/intel/ice/ice_type.h | 4 +
> >>> 9 files changed, 237 insertions(+), 1 deletion(-)
> >>> create mode 100644 drivers/net/ethernet/intel/ice/ice_hwmon.c
> >>> create mode 100644 drivers/net/ethernet/intel/ice/ice_hwmon.h
> >>>
> >>> diff --git a/drivers/net/ethernet/intel/ice/Makefile
> >> b/drivers/net/ethernet/intel/ice/Makefile
> >>> index 8757bec23fb3..c6072080e548 100644
> >>> --- a/drivers/net/ethernet/intel/ice/Makefile
> >>> +++ b/drivers/net/ethernet/intel/ice/Makefile
> >>> @@ -51,3 +51,4 @@ ice-$(CONFIG_RFS_ACCEL) += ice_arfs.o
> >>> ice-$(CONFIG_XDP_SOCKETS) += ice_xsk.o
> >>> ice-$(CONFIG_ICE_SWITCHDEV) += ice_eswitch.o ice_eswitch_br.o
> >>> ice-$(CONFIG_GNSS) += ice_gnss.o
> >>> +ice-$(CONFIG_HWMON) += ice_hwmon.o
> >>> diff --git a/drivers/net/ethernet/intel/ice/ice.h
> >> b/drivers/net/ethernet/intel/ice/ice.h
> >>> index ad5614d4449c..61d26be502b2 100644
> >>> --- a/drivers/net/ethernet/intel/ice/ice.h
> >>> +++ b/drivers/net/ethernet/intel/ice/ice.h
> >>> @@ -650,6 +650,7 @@ struct ice_pf {
> >>> #define ICE_MAX_VF_AGG_NODES 32
> >>> struct ice_agg_node vf_agg_node[ICE_MAX_VF_AGG_NODES];
> >>> struct ice_dplls dplls;
> >>> + struct device *hwmon_dev;
> >>> };
> >>>
> >>> extern struct workqueue_struct *ice_lag_wq;
> >>> diff --git a/drivers/net/ethernet/intel/ice/ice_adminq_cmd.h
> >> b/drivers/net/ethernet/intel/ice/ice_adminq_cmd.h
> >>> index 1202abfb9eb3..de2e6508f330 100644
> >>> --- a/drivers/net/ethernet/intel/ice/ice_adminq_cmd.h
> >>> +++ b/drivers/net/ethernet/intel/ice/ice_adminq_cmd.h
> >>> @@ -117,6 +117,7 @@ struct ice_aqc_list_caps_elem {
> >>> #define ICE_AQC_CAPS_NET_VER 0x004C
> >>> #define ICE_AQC_CAPS_PENDING_NET_VER
> 0x004D
> >>> #define ICE_AQC_CAPS_RDMA 0x0051
> >>> +#define ICE_AQC_CAPS_SENSOR_READING
> 0x0067
> >>> #define ICE_AQC_CAPS_PCIE_RESET_AVOIDANCE 0x0076
> >>> #define ICE_AQC_CAPS_POST_UPDATE_RESET_RESTRICT
> >> 0x0077
> >>> #define ICE_AQC_CAPS_NVM_MGMT
> >> 0x0080
> >>> @@ -1393,6 +1394,30 @@ struct ice_aqc_get_phy_rec_clk_out {
> >>> __le16 node_handle;
> >>> };
> >>>
> >>> +/* Get sensor reading (direct 0x0632) */
> >>> +struct ice_aqc_get_sensor_reading {
> >>> + u8 sensor;
> >>> + u8 format;
> >>> + 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 _packed {
> >>> + 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;
> >>> @@ -2438,6 +2463,8 @@ struct ice_aq_desc {
> >>> struct ice_aqc_restart_an restart_an;
> >>> struct ice_aqc_set_phy_rec_clk_out set_phy_rec_clk_out;
> >>> struct ice_aqc_get_phy_rec_clk_out get_phy_rec_clk_out;
> >>> + struct ice_aqc_get_sensor_reading get_sensor_reading;
> >>> + struct ice_aqc_get_sensor_reading_resp
> >> get_sensor_reading_resp;
> >>> struct ice_aqc_gpio read_write_gpio;
> >>> struct ice_aqc_sff_eeprom read_write_sff_param;
> >>> struct ice_aqc_set_port_id_led set_port_id_led;
> >>> @@ -2617,6 +2644,7 @@ enum ice_adminq_opc {
> >>> ice_aqc_opc_set_mac_lb = 0x0620,
> >>> ice_aqc_opc_set_phy_rec_clk_out = 0x0630,
> >>> ice_aqc_opc_get_phy_rec_clk_out = 0x0631,
> >>> + ice_aqc_opc_get_sensor_reading = 0x0632,
> >>> ice_aqc_opc_get_link_topo = 0x06E0,
> >>> ice_aqc_opc_read_i2c = 0x06E2,
> >>> ice_aqc_opc_write_i2c = 0x06E3,
> >>> diff --git a/drivers/net/ethernet/intel/ice/ice_common.c
> >> b/drivers/net/ethernet/intel/ice/ice_common.c
> >>> index 283492314215..6564038e2665 100644
> >>> --- a/drivers/net/ethernet/intel/ice/ice_common.c
> >>> +++ b/drivers/net/ethernet/intel/ice/ice_common.c
> >>> @@ -2462,6 +2462,26 @@ ice_parse_fdir_dev_caps(struct ice_hw *hw,
> >> struct ice_hw_dev_caps *dev_p,
> >>> dev_p->num_flow_director_fltr);
> >>> }
> >>>
> >>> +/**
> >>> + * ice_parse_sensor_reading_cap - Parse
> ICE_AQC_CAPS_SENSOR_READING
> >> cap
> >>> + * @hw: pointer to the HW struct
> >>> + * @dev_p: pointer to device capabilities structure
> >>> + * @cap: capability element to parse
> >>> + *
> >>> + * Parse ICE_AQC_CAPS_SENSOR_READING for device capability for
> reading
> >>> + * enabled sensors.
> >>> + */
> >>> +static void
> >>> +ice_parse_sensor_reading_cap(struct ice_hw *hw, struct
> ice_hw_dev_caps
> >> *dev_p,
> >>> + struct ice_aqc_list_caps_elem *cap)
> >>> +{
> >>> + dev_p->supported_sensors = le32_to_cpu(cap->number);
> >>> +
> >>> + ice_debug(hw, ICE_DBG_INIT,
> >>> + "dev caps: supported sensors (bitmap) = 0x%x\n",
> >>> + dev_p->supported_sensors);
> >>> +}
> >>> +
> >>> /**
> >>> * ice_parse_dev_caps - Parse device capabilities
> >>> * @hw: pointer to the HW struct
> >>> @@ -2507,9 +2527,12 @@ ice_parse_dev_caps(struct ice_hw *hw, struct
> >> ice_hw_dev_caps *dev_p,
> >>> case ICE_AQC_CAPS_1588:
> >>> ice_parse_1588_dev_caps(hw, dev_p,
> >>> &cap_resp[i]);
> >>> break;
> >>> - case ICE_AQC_CAPS_FD:
> >>> + case ICE_AQC_CAPS_FD:
> >>> ice_parse_fdir_dev_caps(hw, dev_p,
> >>> &cap_resp[i]);
> >>> break;
> >>> + case ICE_AQC_CAPS_SENSOR_READING:
> >>> + ice_parse_sensor_reading_cap(hw, dev_p,
> >> &cap_resp[i]);
> >>> + break;
> >>> default:
> >>> /* Don't list common capabilities as unknown */
> >>> if (!found)
> >>> @@ -5292,6 +5315,37 @@ ice_aq_get_phy_rec_clk_out(struct ice_hw
> *hw,
> >> u8 *phy_output, u8 *port_num,
> >>> return status;
> >>> }
> >>>
> >>> +/**
> >>> + * 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
> >>> + *
> >>> + * Get sensor reading (0x0632)
> >>> + */
> >>> +int ice_aq_get_sensor_reading(struct ice_hw *hw,
> >>> + struct ice_aqc_get_sensor_reading_resp *data)
> >>> +{
> >>> + struct ice_aqc_get_sensor_reading *cmd;
> >>> + struct ice_aq_desc desc;
> >>> + int status;
> >>> +
> >>> + ice_fill_dflt_direct_cmd_desc(&desc,
> >> ice_aqc_opc_get_sensor_reading);
> >>> + cmd = &desc.params.get_sensor_reading;
> >>> +#define ICE_INTERNAL_TEMP_SENSOR_FORMAT 0
> >>> +#define ICE_INTERNAL_TEMP_SENSOR 0
> >>> + cmd->sensor = ICE_INTERNAL_TEMP_SENSOR;
> >>> + cmd->format = ICE_INTERNAL_TEMP_SENSOR_FORMAT;
> >>> +
> >>> + status = ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
> >>> + if (!status)
> >>> + memcpy(data, &desc.params.get_sensor_reading_resp,
> >>> + sizeof(*data));
> >>> +
> >>> + return status;
> >>> +}
> >>> +
> >>> /**
> >>> * ice_replay_pre_init - replay pre initialization
> >>> * @hw: pointer to the HW struct
> >>> diff --git a/drivers/net/ethernet/intel/ice/ice_common.h
> >> b/drivers/net/ethernet/intel/ice/ice_common.h
> >>> index 4a75c0c89301..9696ed59d1a8 100644
> >>> --- a/drivers/net/ethernet/intel/ice/ice_common.h
> >>> +++ b/drivers/net/ethernet/intel/ice/ice_common.h
> >>> @@ -240,6 +240,8 @@ 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);
> >>> diff --git a/drivers/net/ethernet/intel/ice/ice_hwmon.c
> >> b/drivers/net/ethernet/intel/ice/ice_hwmon.c
> >>> new file mode 100644
> >>> index 000000000000..14b4070663db
> >>> --- /dev/null
> >>> +++ b/drivers/net/ethernet/intel/ice/ice_hwmon.c
> >>> @@ -0,0 +1,126 @@
> >>> +// SPDX-License-Identifier: GPL-2.0
> >>> +/* Copyright (C) 2023, Intel Corporation. */
> >>> +
> >>> +#include "ice.h"
> >>> +#include "ice_hwmon.h"
> >>> +#include "ice_adminq_cmd.h"
> >>> +
> >>> +#include <linux/hwmon.h>
> >>> +
> >>> +#define TEMP_FROM_REG(reg) ((reg) * 1000)
> >>> +
> >>> +static const struct hwmon_channel_info *ice_hwmon_info[] = {
> >>> + HWMON_CHANNEL_INFO(temp,
> >>> + HWMON_T_INPUT | HWMON_T_MAX |
> >>> + HWMON_T_CRIT | HWMON_T_EMERGENCY),
> >>> + NULL
> >>> +};
> >>> +
> >>> +static int ice_hwmon_read(struct device *dev, enum
> hwmon_sensor_types
> >> type,
> >>> + u32 attr, int channel, long *val)
> >>> +{
> >>> + struct ice_aqc_get_sensor_reading_resp resp;
> >>> + struct ice_pf *pf = dev_get_drvdata(dev);
> >>> + int ret;
> >>> +
> >>> + if (type != hwmon_temp)
> >>> + return -EOPNOTSUPP;
> >>> +
> >>> + ret = ice_aq_get_sensor_reading(&pf->hw, &resp);
> >>> + if (ret) {
> >>> + dev_warn_ratelimited(dev,
> >>> + "%s HW read failure (%d)\n",
> >>> + __func__,
> >>> + ret);
> >>> + return ret;
> >>> + }
> >>> +
> >>> + switch (attr) {
> >>> + case hwmon_temp_input:
> >>> + *val = TEMP_FROM_REG(resp.data.s0f0.temp);
> >>> + break;
> >>> + case hwmon_temp_max:
> >>> + *val =
> >> TEMP_FROM_REG(resp.data.s0f0.temp_warning_threshold);
> >>> + break;
> >>> + case hwmon_temp_crit:
> >>> + *val =
> >> TEMP_FROM_REG(resp.data.s0f0.temp_critical_threshold);
> >>> + break;
> >>> + case hwmon_temp_emergency:
> >>> + *val =
> >> TEMP_FROM_REG(resp.data.s0f0.temp_fatal_threshold);
> >>> + break;
> >>> + default:
> >>> + dev_dbg(dev, "%s unsupported attribute (%d)\n",
> >>> + __func__, attr);
> >>> + return -EOPNOTSUPP;
> >>> + }
> >>> +
> >>> + return 0;
> >>> +}
> >>> +
> >>> +static umode_t ice_hwmon_is_visible(const void *data,
> >>> + enum hwmon_sensor_types type, u32 attr,
> >>> + int channel)
> >>> +{
> >>> + if (type != hwmon_temp)
> >>> + return 0;
> >>> +
> >>> + switch (attr) {
> >>> + case hwmon_temp_input:
> >>> + case hwmon_temp_crit:
> >>> + case hwmon_temp_max:
> >>> + case hwmon_temp_emergency:
> >>> + return 0444;
> >>> + }
> >>> +
> >>> + return 0;
> >>> +}
> >>> +
> >>> +static const struct hwmon_ops ice_hwmon_ops = {
> >>> + .is_visible = ice_hwmon_is_visible,
> >>> + .read = ice_hwmon_read
> >>> +};
> >>> +
> >>> +static const struct hwmon_chip_info ice_chip_info = {
> >>> + .ops = &ice_hwmon_ops,
> >>> + .info = ice_hwmon_info
> >>> +};
> >>> +
> >>> +static bool ice_is_internal_reading_supported(struct ice_pf *pf)
> >>> +{
> >>> + /* Only the first PF will report temperature for a chip.
> >>> + * Note that internal temp reading are not supported
> >>> + * for older FW (< v4.30).
> >>> + */
> >>> + if (pf->hw.pf_id)
> >>> + return false;
> >>> +
> >>> + unsigned long sensors = pf->hw.dev_caps.supported_sensors;
> >>> +
> >>> + return _test_bit(ICE_SENSOR_SUPPORT_E810_INT_TEMP_BIT,
> >> &sensors);
> >>> +};
> >>> +
> >>> +void ice_hwmon_init(struct ice_pf *pf)
> >>> +{
> >>> + struct device *dev = ice_pf_to_dev(pf);
> >>> + struct device *hdev;
> >>> +
> >>> + if (!ice_is_internal_reading_supported(pf))
> >>> + return;
> >>> +
> >>> + hdev = hwmon_device_register_with_info(dev, "ice", pf,
> >> &ice_chip_info,
> >>> + NULL);
> >>> + if (IS_ERR(hdev)) {
> >>> + dev_warn(dev,
> >>> + "hwmon_device_register_with_info returns error
> >> (%ld)",
> >>> + PTR_ERR(hdev));
> >>> + return;
> >>> + }
> >>> + pf->hwmon_dev = hdev;
> >>> +}
> >>> +
> >>> +void ice_hwmon_exit(struct ice_pf *pf)
> >>> +{
> >>> + if (!pf->hwmon_dev)
> >>> + return;
> >>> + hwmon_device_unregister(pf->hwmon_dev);
> >>> +}
> >>> diff --git a/drivers/net/ethernet/intel/ice/ice_hwmon.h
> >> b/drivers/net/ethernet/intel/ice/ice_hwmon.h
> >>> new file mode 100644
> >>> index 000000000000..d7ad54e12136
> >>> --- /dev/null
> >>> +++ b/drivers/net/ethernet/intel/ice/ice_hwmon.h
> >>> @@ -0,0 +1,15 @@
> >>> +/* SPDX-License-Identifier: GPL-2.0 */
> >>> +/* Copyright (C) 2023, Intel Corporation. */
> >>> +
> >>> +#ifndef _ICE_HWMON_H_
> >>> +#define _ICE_HWMON_H_
> >>> +
> >>> +#if IS_ENABLED(CONFIG_HWMON)
> >>> +void ice_hwmon_init(struct ice_pf *pf);
> >>> +void ice_hwmon_exit(struct ice_pf *pf);
> >>> +#else
> >>> +static void ice_hwmon_init(struct ice_pf *pf) { }
> >>> +static void ice_hwmon_exit(struct ice_pf *pf) { }
> >>> +#endif
> >>> +
> >>> +#endif /* _ICE_HWMON_H_ */
> >>> diff --git a/drivers/net/ethernet/intel/ice/ice_main.c
> >> b/drivers/net/ethernet/intel/ice/ice_main.c
> >>> index a58da0024fe5..071a7da4b3b4 100644
> >>> --- a/drivers/net/ethernet/intel/ice/ice_main.c
> >>> +++ b/drivers/net/ethernet/intel/ice/ice_main.c
> >>> @@ -14,6 +14,7 @@
> >>> #include "ice_dcb_lib.h"
> >>> #include "ice_dcb_nl.h"
> >>> #include "ice_devlink.h"
> >>> +#include "ice_hwmon.h"
> >>> /* Including ice_trace.h with CREATE_TRACE_POINTS defined will
> generate
> >> the
> >>> * ice tracepoint functions. This must be done exactly once across the
> >>> * ice driver.
> >>> @@ -4785,6 +4786,8 @@ static void ice_init_features(struct ice_pf *pf)
> >>>
> >>> if (ice_init_lag(pf))
> >>> dev_warn(dev, "Failed to init link aggregation
> >>> support\n");
> >>> +
> >>> + ice_hwmon_init(pf);
> >>> }
> >>>
> >>> static void ice_deinit_features(struct ice_pf *pf)
> >>> @@ -5310,6 +5313,8 @@ static void ice_remove(struct pci_dev *pdev)
> >>> ice_free_vfs(pf);
> >>> }
> >>>
> >>> + ice_hwmon_exit(pf);
> >>> +
> >>> ice_service_task_stop(pf);
> >>> ice_aq_cancel_waiting_tasks(pf);
> >>> set_bit(ICE_DOWN, pf->state);
> >>> diff --git a/drivers/net/ethernet/intel/ice/ice_type.h
> >> b/drivers/net/ethernet/intel/ice/ice_type.h
> >>> index 877a92099ef0..0b5425d33adf 100644
> >>> --- a/drivers/net/ethernet/intel/ice/ice_type.h
> >>> +++ b/drivers/net/ethernet/intel/ice/ice_type.h
> >>> @@ -378,6 +378,8 @@ struct ice_hw_func_caps {
> >>> struct ice_ts_func_info ts_func_info;
> >>> };
> >>>
> >>> +#define ICE_SENSOR_SUPPORT_E810_INT_TEMP_BIT 0
> >>> +
> >>> /* Device wide capabilities */
> >>> struct ice_hw_dev_caps {
> >>> struct ice_hw_common_caps common_cap;
> >>> @@ -386,6 +388,8 @@ struct ice_hw_dev_caps {
> >>> u32 num_flow_director_fltr; /* Number of FD filters
> >>> available */
> >>> struct ice_ts_dev_info ts_dev_info;
> >>> u32 num_funcs;
> >>> + /* bitmap of supported sensors */
> >>> + u32 supported_sensors;
> >>> };
> >>>
> >>> /* MAC info */
> >>>
> >>> base-commit: ac4dec3fd63c7da703c244698fc92efb411ff0d4
> >
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