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- // SPDX-License-Identifier: GPL-2.0
- /*
- * Copyright 2016-2019 HabanaLabs, Ltd.
- * All Rights Reserved.
- */
- #include "habanalabs.h"
- #include <linux/pci.h>
- #include <linux/hwmon.h>
- #define HWMON_NR_SENSOR_TYPES (hwmon_max)
- #ifdef _HAS_HWMON_HWMON_T_ENABLE
- static u32 fixup_flags_legacy_fw(struct hl_device *hdev, enum hwmon_sensor_types type,
- u32 cpucp_flags)
- {
- u32 flags;
- switch (type) {
- case hwmon_temp:
- flags = (cpucp_flags << 1) | HWMON_T_ENABLE;
- break;
- case hwmon_in:
- flags = (cpucp_flags << 1) | HWMON_I_ENABLE;
- break;
- case hwmon_curr:
- flags = (cpucp_flags << 1) | HWMON_C_ENABLE;
- break;
- case hwmon_fan:
- flags = (cpucp_flags << 1) | HWMON_F_ENABLE;
- break;
- case hwmon_power:
- flags = (cpucp_flags << 1) | HWMON_P_ENABLE;
- break;
- case hwmon_pwm:
- /* enable bit was here from day 1, so no need to adjust */
- flags = cpucp_flags;
- break;
- default:
- dev_err(hdev->dev, "unsupported h/w sensor type %d\n", type);
- flags = cpucp_flags;
- break;
- }
- return flags;
- }
- static u32 fixup_attr_legacy_fw(u32 attr)
- {
- return (attr - 1);
- }
- #else
- static u32 fixup_flags_legacy_fw(struct hl_device *hdev, enum hwmon_sensor_types type,
- u32 cpucp_flags)
- {
- return cpucp_flags;
- }
- static u32 fixup_attr_legacy_fw(u32 attr)
- {
- return attr;
- }
- #endif /* !_HAS_HWMON_HWMON_T_ENABLE */
- static u32 adjust_hwmon_flags(struct hl_device *hdev, enum hwmon_sensor_types type, u32 cpucp_flags)
- {
- u32 flags, cpucp_input_val;
- bool use_cpucp_enum;
- use_cpucp_enum = (hdev->asic_prop.fw_app_cpu_boot_dev_sts0 &
- CPU_BOOT_DEV_STS0_MAP_HWMON_EN) ? true : false;
- /* If f/w is using it's own enum, we need to check if the properties values are aligned.
- * If not, it means we need to adjust the values to the new format that is used in the
- * kernel since 5.6 (enum values were incremented by 1 by adding a new enable value).
- */
- if (use_cpucp_enum) {
- switch (type) {
- case hwmon_temp:
- cpucp_input_val = cpucp_temp_input;
- if (cpucp_input_val == hwmon_temp_input)
- flags = cpucp_flags;
- else
- flags = (cpucp_flags << 1) | HWMON_T_ENABLE;
- break;
- case hwmon_in:
- cpucp_input_val = cpucp_in_input;
- if (cpucp_input_val == hwmon_in_input)
- flags = cpucp_flags;
- else
- flags = (cpucp_flags << 1) | HWMON_I_ENABLE;
- break;
- case hwmon_curr:
- cpucp_input_val = cpucp_curr_input;
- if (cpucp_input_val == hwmon_curr_input)
- flags = cpucp_flags;
- else
- flags = (cpucp_flags << 1) | HWMON_C_ENABLE;
- break;
- case hwmon_fan:
- cpucp_input_val = cpucp_fan_input;
- if (cpucp_input_val == hwmon_fan_input)
- flags = cpucp_flags;
- else
- flags = (cpucp_flags << 1) | HWMON_F_ENABLE;
- break;
- case hwmon_pwm:
- /* enable bit was here from day 1, so no need to adjust */
- flags = cpucp_flags;
- break;
- case hwmon_power:
- cpucp_input_val = CPUCP_POWER_INPUT;
- if (cpucp_input_val == hwmon_power_input)
- flags = cpucp_flags;
- else
- flags = (cpucp_flags << 1) | HWMON_P_ENABLE;
- break;
- default:
- dev_err(hdev->dev, "unsupported h/w sensor type %d\n", type);
- flags = cpucp_flags;
- break;
- }
- } else {
- flags = fixup_flags_legacy_fw(hdev, type, cpucp_flags);
- }
- return flags;
- }
- int hl_build_hwmon_channel_info(struct hl_device *hdev, struct cpucp_sensor *sensors_arr)
- {
- u32 num_sensors_for_type, flags, num_active_sensor_types = 0, arr_size = 0, *curr_arr;
- u32 sensors_by_type_next_index[HWMON_NR_SENSOR_TYPES] = {0};
- u32 *sensors_by_type[HWMON_NR_SENSOR_TYPES] = {NULL};
- struct hwmon_channel_info **channels_info;
- u32 counts[HWMON_NR_SENSOR_TYPES] = {0};
- enum hwmon_sensor_types type;
- int rc, i, j;
- for (i = 0 ; i < CPUCP_MAX_SENSORS ; i++) {
- type = le32_to_cpu(sensors_arr[i].type);
- if ((type == 0) && (sensors_arr[i].flags == 0))
- break;
- if (type >= HWMON_NR_SENSOR_TYPES) {
- dev_err(hdev->dev, "Got wrong sensor type %d from device\n", type);
- return -EINVAL;
- }
- counts[type]++;
- arr_size++;
- }
- for (i = 0 ; i < HWMON_NR_SENSOR_TYPES ; i++) {
- if (counts[i] == 0)
- continue;
- num_sensors_for_type = counts[i] + 1;
- dev_dbg(hdev->dev, "num_sensors_for_type %d = %d\n", i, num_sensors_for_type);
- curr_arr = kcalloc(num_sensors_for_type, sizeof(*curr_arr), GFP_KERNEL);
- if (!curr_arr) {
- rc = -ENOMEM;
- goto sensors_type_err;
- }
- num_active_sensor_types++;
- sensors_by_type[i] = curr_arr;
- }
- for (i = 0 ; i < arr_size ; i++) {
- type = le32_to_cpu(sensors_arr[i].type);
- curr_arr = sensors_by_type[type];
- flags = adjust_hwmon_flags(hdev, type, le32_to_cpu(sensors_arr[i].flags));
- curr_arr[sensors_by_type_next_index[type]++] = flags;
- }
- channels_info = kcalloc(num_active_sensor_types + 1, sizeof(struct hwmon_channel_info *),
- GFP_KERNEL);
- if (!channels_info) {
- rc = -ENOMEM;
- goto channels_info_array_err;
- }
- for (i = 0 ; i < num_active_sensor_types ; i++) {
- channels_info[i] = kzalloc(sizeof(*channels_info[i]), GFP_KERNEL);
- if (!channels_info[i]) {
- rc = -ENOMEM;
- goto channel_info_err;
- }
- }
- for (i = 0, j = 0 ; i < HWMON_NR_SENSOR_TYPES ; i++) {
- if (!sensors_by_type[i])
- continue;
- channels_info[j]->type = i;
- channels_info[j]->config = sensors_by_type[i];
- j++;
- }
- hdev->hl_chip_info->info = (const struct hwmon_channel_info **)channels_info;
- return 0;
- channel_info_err:
- for (i = 0 ; i < num_active_sensor_types ; i++) {
- if (channels_info[i]) {
- kfree(channels_info[i]->config);
- kfree(channels_info[i]);
- }
- }
- kfree(channels_info);
- channels_info_array_err:
- sensors_type_err:
- for (i = 0 ; i < HWMON_NR_SENSOR_TYPES ; i++)
- kfree(sensors_by_type[i]);
- return rc;
- }
- static int hl_read(struct device *dev, enum hwmon_sensor_types type,
- u32 attr, int channel, long *val)
- {
- struct hl_device *hdev = dev_get_drvdata(dev);
- bool use_cpucp_enum;
- u32 cpucp_attr;
- int rc;
- if (!hl_device_operational(hdev, NULL))
- return -ENODEV;
- use_cpucp_enum = (hdev->asic_prop.fw_app_cpu_boot_dev_sts0 &
- CPU_BOOT_DEV_STS0_MAP_HWMON_EN) ? true : false;
- switch (type) {
- case hwmon_temp:
- switch (attr) {
- case hwmon_temp_input:
- cpucp_attr = cpucp_temp_input;
- break;
- case hwmon_temp_max:
- cpucp_attr = cpucp_temp_max;
- break;
- case hwmon_temp_crit:
- cpucp_attr = cpucp_temp_crit;
- break;
- case hwmon_temp_max_hyst:
- cpucp_attr = cpucp_temp_max_hyst;
- break;
- case hwmon_temp_crit_hyst:
- cpucp_attr = cpucp_temp_crit_hyst;
- break;
- case hwmon_temp_offset:
- cpucp_attr = cpucp_temp_offset;
- break;
- case hwmon_temp_highest:
- cpucp_attr = cpucp_temp_highest;
- break;
- default:
- return -EINVAL;
- }
- if (use_cpucp_enum)
- rc = hl_get_temperature(hdev, channel, cpucp_attr, val);
- else
- rc = hl_get_temperature(hdev, channel, fixup_attr_legacy_fw(attr), val);
- break;
- case hwmon_in:
- switch (attr) {
- case hwmon_in_input:
- cpucp_attr = cpucp_in_input;
- break;
- case hwmon_in_min:
- cpucp_attr = cpucp_in_min;
- break;
- case hwmon_in_max:
- cpucp_attr = cpucp_in_max;
- break;
- case hwmon_in_highest:
- cpucp_attr = cpucp_in_highest;
- break;
- default:
- return -EINVAL;
- }
- if (use_cpucp_enum)
- rc = hl_get_voltage(hdev, channel, cpucp_attr, val);
- else
- rc = hl_get_voltage(hdev, channel, fixup_attr_legacy_fw(attr), val);
- break;
- case hwmon_curr:
- switch (attr) {
- case hwmon_curr_input:
- cpucp_attr = cpucp_curr_input;
- break;
- case hwmon_curr_min:
- cpucp_attr = cpucp_curr_min;
- break;
- case hwmon_curr_max:
- cpucp_attr = cpucp_curr_max;
- break;
- case hwmon_curr_highest:
- cpucp_attr = cpucp_curr_highest;
- break;
- default:
- return -EINVAL;
- }
- if (use_cpucp_enum)
- rc = hl_get_current(hdev, channel, cpucp_attr, val);
- else
- rc = hl_get_current(hdev, channel, fixup_attr_legacy_fw(attr), val);
- break;
- case hwmon_fan:
- switch (attr) {
- case hwmon_fan_input:
- cpucp_attr = cpucp_fan_input;
- break;
- case hwmon_fan_min:
- cpucp_attr = cpucp_fan_min;
- break;
- case hwmon_fan_max:
- cpucp_attr = cpucp_fan_max;
- break;
- default:
- return -EINVAL;
- }
- if (use_cpucp_enum)
- rc = hl_get_fan_speed(hdev, channel, cpucp_attr, val);
- else
- rc = hl_get_fan_speed(hdev, channel, fixup_attr_legacy_fw(attr), val);
- break;
- case hwmon_pwm:
- switch (attr) {
- case hwmon_pwm_input:
- cpucp_attr = cpucp_pwm_input;
- break;
- case hwmon_pwm_enable:
- cpucp_attr = cpucp_pwm_enable;
- break;
- default:
- return -EINVAL;
- }
- if (use_cpucp_enum)
- rc = hl_get_pwm_info(hdev, channel, cpucp_attr, val);
- else
- /* no need for fixup as pwm was aligned from day 1 */
- rc = hl_get_pwm_info(hdev, channel, attr, val);
- break;
- case hwmon_power:
- switch (attr) {
- case hwmon_power_input:
- cpucp_attr = CPUCP_POWER_INPUT;
- break;
- case hwmon_power_input_highest:
- cpucp_attr = CPUCP_POWER_INPUT_HIGHEST;
- break;
- default:
- return -EINVAL;
- }
- if (use_cpucp_enum)
- rc = hl_get_power(hdev, channel, cpucp_attr, val);
- else
- rc = hl_get_power(hdev, channel, fixup_attr_legacy_fw(attr), val);
- break;
- default:
- return -EINVAL;
- }
- return rc;
- }
- static int hl_write(struct device *dev, enum hwmon_sensor_types type,
- u32 attr, int channel, long val)
- {
- struct hl_device *hdev = dev_get_drvdata(dev);
- u32 cpucp_attr;
- bool use_cpucp_enum = (hdev->asic_prop.fw_app_cpu_boot_dev_sts0 &
- CPU_BOOT_DEV_STS0_MAP_HWMON_EN) ? true : false;
- if (!hl_device_operational(hdev, NULL))
- return -ENODEV;
- switch (type) {
- case hwmon_temp:
- switch (attr) {
- case hwmon_temp_offset:
- cpucp_attr = cpucp_temp_offset;
- break;
- case hwmon_temp_reset_history:
- cpucp_attr = cpucp_temp_reset_history;
- break;
- default:
- return -EINVAL;
- }
- if (use_cpucp_enum)
- hl_set_temperature(hdev, channel, cpucp_attr, val);
- else
- hl_set_temperature(hdev, channel, fixup_attr_legacy_fw(attr), val);
- break;
- case hwmon_pwm:
- switch (attr) {
- case hwmon_pwm_input:
- cpucp_attr = cpucp_pwm_input;
- break;
- case hwmon_pwm_enable:
- cpucp_attr = cpucp_pwm_enable;
- break;
- default:
- return -EINVAL;
- }
- if (use_cpucp_enum)
- hl_set_pwm_info(hdev, channel, cpucp_attr, val);
- else
- /* no need for fixup as pwm was aligned from day 1 */
- hl_set_pwm_info(hdev, channel, attr, val);
- break;
- case hwmon_in:
- switch (attr) {
- case hwmon_in_reset_history:
- cpucp_attr = cpucp_in_reset_history;
- break;
- default:
- return -EINVAL;
- }
- if (use_cpucp_enum)
- hl_set_voltage(hdev, channel, cpucp_attr, val);
- else
- hl_set_voltage(hdev, channel, fixup_attr_legacy_fw(attr), val);
- break;
- case hwmon_curr:
- switch (attr) {
- case hwmon_curr_reset_history:
- cpucp_attr = cpucp_curr_reset_history;
- break;
- default:
- return -EINVAL;
- }
- if (use_cpucp_enum)
- hl_set_current(hdev, channel, cpucp_attr, val);
- else
- hl_set_current(hdev, channel, fixup_attr_legacy_fw(attr), val);
- break;
- case hwmon_power:
- switch (attr) {
- case hwmon_power_reset_history:
- cpucp_attr = CPUCP_POWER_RESET_INPUT_HISTORY;
- break;
- default:
- return -EINVAL;
- }
- if (use_cpucp_enum)
- hl_set_power(hdev, channel, cpucp_attr, val);
- else
- hl_set_power(hdev, channel, fixup_attr_legacy_fw(attr), val);
- break;
- default:
- return -EINVAL;
- }
- return 0;
- }
- static umode_t hl_is_visible(const void *data, enum hwmon_sensor_types type,
- u32 attr, int channel)
- {
- switch (type) {
- case hwmon_temp:
- switch (attr) {
- case hwmon_temp_input:
- case hwmon_temp_max:
- case hwmon_temp_max_hyst:
- case hwmon_temp_crit:
- case hwmon_temp_crit_hyst:
- case hwmon_temp_highest:
- return 0444;
- case hwmon_temp_offset:
- return 0644;
- case hwmon_temp_reset_history:
- return 0200;
- }
- break;
- case hwmon_in:
- switch (attr) {
- case hwmon_in_input:
- case hwmon_in_min:
- case hwmon_in_max:
- case hwmon_in_highest:
- return 0444;
- case hwmon_in_reset_history:
- return 0200;
- }
- break;
- case hwmon_curr:
- switch (attr) {
- case hwmon_curr_input:
- case hwmon_curr_min:
- case hwmon_curr_max:
- case hwmon_curr_highest:
- return 0444;
- case hwmon_curr_reset_history:
- return 0200;
- }
- break;
- case hwmon_fan:
- switch (attr) {
- case hwmon_fan_input:
- case hwmon_fan_min:
- case hwmon_fan_max:
- return 0444;
- }
- break;
- case hwmon_pwm:
- switch (attr) {
- case hwmon_pwm_input:
- case hwmon_pwm_enable:
- return 0644;
- }
- break;
- case hwmon_power:
- switch (attr) {
- case hwmon_power_input:
- case hwmon_power_input_highest:
- return 0444;
- case hwmon_power_reset_history:
- return 0200;
- }
- break;
- default:
- break;
- }
- return 0;
- }
- static const struct hwmon_ops hl_hwmon_ops = {
- .is_visible = hl_is_visible,
- .read = hl_read,
- .write = hl_write
- };
- int hl_get_temperature(struct hl_device *hdev,
- int sensor_index, u32 attr, long *value)
- {
- struct cpucp_packet pkt;
- u64 result;
- int rc;
- memset(&pkt, 0, sizeof(pkt));
- pkt.ctl = cpu_to_le32(CPUCP_PACKET_TEMPERATURE_GET <<
- CPUCP_PKT_CTL_OPCODE_SHIFT);
- pkt.sensor_index = __cpu_to_le16(sensor_index);
- pkt.type = __cpu_to_le16(attr);
- dev_dbg(hdev->dev, "get temp, ctl 0x%x, sensor %d, type %d\n",
- pkt.ctl, pkt.sensor_index, pkt.type);
- rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, sizeof(pkt),
- 0, &result);
- *value = (long) result;
- if (rc) {
- dev_err(hdev->dev,
- "Failed to get temperature from sensor %d, error %d\n",
- sensor_index, rc);
- *value = 0;
- }
- return rc;
- }
- int hl_set_temperature(struct hl_device *hdev,
- int sensor_index, u32 attr, long value)
- {
- struct cpucp_packet pkt;
- int rc;
- memset(&pkt, 0, sizeof(pkt));
- pkt.ctl = cpu_to_le32(CPUCP_PACKET_TEMPERATURE_SET <<
- CPUCP_PKT_CTL_OPCODE_SHIFT);
- pkt.sensor_index = __cpu_to_le16(sensor_index);
- pkt.type = __cpu_to_le16(attr);
- pkt.value = __cpu_to_le64(value);
- rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, sizeof(pkt),
- 0, NULL);
- if (rc)
- dev_err(hdev->dev,
- "Failed to set temperature of sensor %d, error %d\n",
- sensor_index, rc);
- return rc;
- }
- int hl_get_voltage(struct hl_device *hdev,
- int sensor_index, u32 attr, long *value)
- {
- struct cpucp_packet pkt;
- u64 result;
- int rc;
- memset(&pkt, 0, sizeof(pkt));
- pkt.ctl = cpu_to_le32(CPUCP_PACKET_VOLTAGE_GET <<
- CPUCP_PKT_CTL_OPCODE_SHIFT);
- pkt.sensor_index = __cpu_to_le16(sensor_index);
- pkt.type = __cpu_to_le16(attr);
- rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, sizeof(pkt),
- 0, &result);
- *value = (long) result;
- if (rc) {
- dev_err(hdev->dev,
- "Failed to get voltage from sensor %d, error %d\n",
- sensor_index, rc);
- *value = 0;
- }
- return rc;
- }
- int hl_get_current(struct hl_device *hdev,
- int sensor_index, u32 attr, long *value)
- {
- struct cpucp_packet pkt;
- u64 result;
- int rc;
- memset(&pkt, 0, sizeof(pkt));
- pkt.ctl = cpu_to_le32(CPUCP_PACKET_CURRENT_GET <<
- CPUCP_PKT_CTL_OPCODE_SHIFT);
- pkt.sensor_index = __cpu_to_le16(sensor_index);
- pkt.type = __cpu_to_le16(attr);
- rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, sizeof(pkt),
- 0, &result);
- *value = (long) result;
- if (rc) {
- dev_err(hdev->dev,
- "Failed to get current from sensor %d, error %d\n",
- sensor_index, rc);
- *value = 0;
- }
- return rc;
- }
- int hl_get_fan_speed(struct hl_device *hdev,
- int sensor_index, u32 attr, long *value)
- {
- struct cpucp_packet pkt;
- u64 result;
- int rc;
- memset(&pkt, 0, sizeof(pkt));
- pkt.ctl = cpu_to_le32(CPUCP_PACKET_FAN_SPEED_GET <<
- CPUCP_PKT_CTL_OPCODE_SHIFT);
- pkt.sensor_index = __cpu_to_le16(sensor_index);
- pkt.type = __cpu_to_le16(attr);
- rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, sizeof(pkt),
- 0, &result);
- *value = (long) result;
- if (rc) {
- dev_err(hdev->dev,
- "Failed to get fan speed from sensor %d, error %d\n",
- sensor_index, rc);
- *value = 0;
- }
- return rc;
- }
- int hl_get_pwm_info(struct hl_device *hdev,
- int sensor_index, u32 attr, long *value)
- {
- struct cpucp_packet pkt;
- u64 result;
- int rc;
- memset(&pkt, 0, sizeof(pkt));
- pkt.ctl = cpu_to_le32(CPUCP_PACKET_PWM_GET <<
- CPUCP_PKT_CTL_OPCODE_SHIFT);
- pkt.sensor_index = __cpu_to_le16(sensor_index);
- pkt.type = __cpu_to_le16(attr);
- rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, sizeof(pkt),
- 0, &result);
- *value = (long) result;
- if (rc) {
- dev_err(hdev->dev,
- "Failed to get pwm info from sensor %d, error %d\n",
- sensor_index, rc);
- *value = 0;
- }
- return rc;
- }
- void hl_set_pwm_info(struct hl_device *hdev, int sensor_index, u32 attr,
- long value)
- {
- struct cpucp_packet pkt;
- int rc;
- memset(&pkt, 0, sizeof(pkt));
- pkt.ctl = cpu_to_le32(CPUCP_PACKET_PWM_SET <<
- CPUCP_PKT_CTL_OPCODE_SHIFT);
- pkt.sensor_index = __cpu_to_le16(sensor_index);
- pkt.type = __cpu_to_le16(attr);
- pkt.value = cpu_to_le64(value);
- rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, sizeof(pkt),
- 0, NULL);
- if (rc)
- dev_err(hdev->dev,
- "Failed to set pwm info to sensor %d, error %d\n",
- sensor_index, rc);
- }
- int hl_set_voltage(struct hl_device *hdev,
- int sensor_index, u32 attr, long value)
- {
- struct cpucp_packet pkt;
- int rc;
- memset(&pkt, 0, sizeof(pkt));
- pkt.ctl = cpu_to_le32(CPUCP_PACKET_VOLTAGE_SET <<
- CPUCP_PKT_CTL_OPCODE_SHIFT);
- pkt.sensor_index = __cpu_to_le16(sensor_index);
- pkt.type = __cpu_to_le16(attr);
- pkt.value = __cpu_to_le64(value);
- rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, sizeof(pkt),
- 0, NULL);
- if (rc)
- dev_err(hdev->dev,
- "Failed to set voltage of sensor %d, error %d\n",
- sensor_index, rc);
- return rc;
- }
- int hl_set_current(struct hl_device *hdev,
- int sensor_index, u32 attr, long value)
- {
- struct cpucp_packet pkt;
- int rc;
- memset(&pkt, 0, sizeof(pkt));
- pkt.ctl = cpu_to_le32(CPUCP_PACKET_CURRENT_SET <<
- CPUCP_PKT_CTL_OPCODE_SHIFT);
- pkt.sensor_index = __cpu_to_le16(sensor_index);
- pkt.type = __cpu_to_le16(attr);
- pkt.value = __cpu_to_le64(value);
- rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, sizeof(pkt),
- 0, NULL);
- if (rc)
- dev_err(hdev->dev,
- "Failed to set current of sensor %d, error %d\n",
- sensor_index, rc);
- return rc;
- }
- int hl_set_power(struct hl_device *hdev,
- int sensor_index, u32 attr, long value)
- {
- struct cpucp_packet pkt;
- struct asic_fixed_properties *prop = &hdev->asic_prop;
- int rc;
- memset(&pkt, 0, sizeof(pkt));
- if (prop->use_get_power_for_reset_history)
- pkt.ctl = cpu_to_le32(CPUCP_PACKET_POWER_GET <<
- CPUCP_PKT_CTL_OPCODE_SHIFT);
- else
- pkt.ctl = cpu_to_le32(CPUCP_PACKET_POWER_SET <<
- CPUCP_PKT_CTL_OPCODE_SHIFT);
- pkt.sensor_index = __cpu_to_le16(sensor_index);
- pkt.type = __cpu_to_le16(attr);
- pkt.value = __cpu_to_le64(value);
- rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, sizeof(pkt),
- 0, NULL);
- if (rc)
- dev_err(hdev->dev,
- "Failed to set power of sensor %d, error %d\n",
- sensor_index, rc);
- return rc;
- }
- int hl_get_power(struct hl_device *hdev,
- int sensor_index, u32 attr, long *value)
- {
- struct cpucp_packet pkt;
- u64 result;
- int rc;
- memset(&pkt, 0, sizeof(pkt));
- pkt.ctl = cpu_to_le32(CPUCP_PACKET_POWER_GET <<
- CPUCP_PKT_CTL_OPCODE_SHIFT);
- pkt.sensor_index = __cpu_to_le16(sensor_index);
- pkt.type = __cpu_to_le16(attr);
- rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, sizeof(pkt),
- 0, &result);
- *value = (long) result;
- if (rc) {
- dev_err(hdev->dev,
- "Failed to get power of sensor %d, error %d\n",
- sensor_index, rc);
- *value = 0;
- }
- return rc;
- }
- int hl_hwmon_init(struct hl_device *hdev)
- {
- struct device *dev = hdev->pdev ? &hdev->pdev->dev : hdev->dev;
- struct asic_fixed_properties *prop = &hdev->asic_prop;
- int rc;
- if ((hdev->hwmon_initialized) || !(hdev->cpu_queues_enable))
- return 0;
- if (hdev->hl_chip_info->info) {
- hdev->hl_chip_info->ops = &hl_hwmon_ops;
- hdev->hwmon_dev = hwmon_device_register_with_info(dev,
- prop->cpucp_info.card_name, hdev,
- hdev->hl_chip_info, NULL);
- if (IS_ERR(hdev->hwmon_dev)) {
- rc = PTR_ERR(hdev->hwmon_dev);
- dev_err(hdev->dev,
- "Unable to register hwmon device: %d\n", rc);
- return rc;
- }
- dev_info(hdev->dev, "%s: add sensors information\n",
- dev_name(hdev->hwmon_dev));
- hdev->hwmon_initialized = true;
- } else {
- dev_info(hdev->dev, "no available sensors\n");
- }
- return 0;
- }
- void hl_hwmon_fini(struct hl_device *hdev)
- {
- if (!hdev->hwmon_initialized)
- return;
- hwmon_device_unregister(hdev->hwmon_dev);
- }
- void hl_hwmon_release_resources(struct hl_device *hdev)
- {
- const struct hwmon_channel_info **channel_info_arr;
- int i = 0;
- if (!hdev->hl_chip_info->info)
- return;
- channel_info_arr = hdev->hl_chip_info->info;
- while (channel_info_arr[i]) {
- kfree(channel_info_arr[i]->config);
- kfree(channel_info_arr[i]);
- i++;
- }
- kfree(channel_info_arr);
- hdev->hl_chip_info->info = NULL;
- }
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