Lines Matching refs:data
42 static inline u16 extract_value(const char *data, int offset)
44 return be16_to_cpup((__be16 *)&data[offset]);
128 static int ibmpex_send_message(struct ibmpex_bmc_data *data)
132 err = ipmi_validate_addr(&data->address, sizeof(data->address));
136 data->tx_msgid++;
137 err = ipmi_request_settime(data->user, &data->address, data->tx_msgid,
138 &data->tx_message, data, 0, 0, 0);
144 dev_err(data->bmc_device, "request_settime=%x\n", err);
147 dev_err(data->bmc_device, "validate_addr=%x\n", err);
151 static int ibmpex_ver_check(struct ibmpex_bmc_data *data)
153 data->tx_msg_data[0] = PEX_GET_VERSION;
154 data->tx_message.data_len = 1;
155 ibmpex_send_message(data);
157 wait_for_completion(&data->read_complete);
159 if (data->rx_result || data->rx_msg_len != 6)
162 data->sensor_major = data->rx_msg_data[0];
163 data->sensor_minor = data->rx_msg_data[1];
165 dev_info(data->bmc_device, "Found BMC with sensor interface "
167 data->sensor_major,
168 data->sensor_minor,
169 extract_value(data->rx_msg_data, 2),
170 data->rx_msg_data[4],
171 data->rx_msg_data[5],
172 data->interface);
177 static int ibmpex_query_sensor_count(struct ibmpex_bmc_data *data)
179 data->tx_msg_data[0] = PEX_GET_SENSOR_COUNT;
180 data->tx_message.data_len = 1;
181 ibmpex_send_message(data);
183 wait_for_completion(&data->read_complete);
185 if (data->rx_result || data->rx_msg_len != 1)
188 return data->rx_msg_data[0];
191 static int ibmpex_query_sensor_name(struct ibmpex_bmc_data *data, int sensor)
193 data->tx_msg_data[0] = PEX_GET_SENSOR_NAME;
194 data->tx_msg_data[1] = sensor;
195 data->tx_message.data_len = 2;
196 ibmpex_send_message(data);
198 wait_for_completion(&data->read_complete);
200 if (data->rx_result || data->rx_msg_len < 1)
206 static int ibmpex_query_sensor_data(struct ibmpex_bmc_data *data, int sensor)
208 data->tx_msg_data[0] = PEX_GET_SENSOR_DATA;
209 data->tx_msg_data[1] = sensor;
210 data->tx_message.data_len = 2;
211 ibmpex_send_message(data);
213 wait_for_completion(&data->read_complete);
215 if (data->rx_result || data->rx_msg_len < 26) {
216 dev_err(data->bmc_device, "Error reading sensor %d.\n",
224 static int ibmpex_reset_high_low_data(struct ibmpex_bmc_data *data)
226 data->tx_msg_data[0] = PEX_RESET_HIGH_LOW;
227 data->tx_message.data_len = 1;
228 ibmpex_send_message(data);
230 wait_for_completion(&data->read_complete);
235 static void ibmpex_update_device(struct ibmpex_bmc_data *data)
239 mutex_lock(&data->lock);
240 if (time_before(jiffies, data->last_updated + REFRESH_INTERVAL) &&
241 data->valid)
244 for (i = 0; i < data->num_sensors; i++) {
245 if (!data->sensors[i].in_use)
247 err = ibmpex_query_sensor_data(data, i);
250 data->sensors[i].values[0] =
251 extract_value(data->rx_msg_data, 16);
252 data->sensors[i].values[1] =
253 extract_value(data->rx_msg_data, 18);
254 data->sensors[i].values[2] =
255 extract_value(data->rx_msg_data, 20);
258 data->last_updated = jiffies;
259 data->valid = 1;
262 mutex_unlock(&data->lock);
288 struct ibmpex_bmc_data *data = dev_get_drvdata(dev);
289 int mult = data->sensors[attr->index].multiplier;
290 ibmpex_update_device(data);
293 data->sensors[attr->index].values[attr->nr] * mult);
301 struct ibmpex_bmc_data *data = dev_get_drvdata(dev);
303 ibmpex_reset_high_low_data(data);
331 static int power_sensor_multiplier(struct ibmpex_bmc_data *data,
336 if (data->sensor_major == 2)
346 static int create_sensor(struct ibmpex_bmc_data *data, int type,
361 data->sensors[sensor].attr[func].dev_attr.attr.name = n;
362 data->sensors[sensor].attr[func].dev_attr.attr.mode = S_IRUGO;
363 data->sensors[sensor].attr[func].dev_attr.show = ibmpex_show_sensor;
364 data->sensors[sensor].attr[func].index = sensor;
365 data->sensors[sensor].attr[func].nr = func;
367 err = device_create_file(data->bmc_device,
368 &data->sensors[sensor].attr[func].dev_attr);
370 data->sensors[sensor].attr[func].dev_attr.attr.name = NULL;
378 static int ibmpex_find_sensors(struct ibmpex_bmc_data *data)
386 err = ibmpex_query_sensor_count(data);
389 data->num_sensors = err;
391 data->sensors = kzalloc(data->num_sensors * sizeof(*data->sensors),
393 if (!data->sensors)
396 for (i = 0; i < data->num_sensors; i++) {
397 err = ibmpex_query_sensor_name(data, i);
401 if (is_power_sensor(data->rx_msg_data, data->rx_msg_len)) {
405 data->sensors[i].multiplier =
406 power_sensor_multiplier(data,
407 data->rx_msg_data,
408 data->rx_msg_len);
409 } else if (is_temp_sensor(data->rx_msg_data,
410 data->rx_msg_len)) {
414 data->sensors[i].multiplier = 1000;
418 data->sensors[i].in_use = 1;
422 err = create_sensor(data, sensor_type, sensor_counter,
429 err = device_create_file(data->bmc_device,
434 err = device_create_file(data->bmc_device,
442 device_remove_file(data->bmc_device,
444 device_remove_file(data->bmc_device, &sensor_dev_attr_name.dev_attr);
445 for (i = 0; i < data->num_sensors; i++)
447 if (!data->sensors[i].attr[j].dev_attr.attr.name)
449 device_remove_file(data->bmc_device,
450 &data->sensors[i].attr[j].dev_attr);
451 kfree(data->sensors[i].attr[j].dev_attr.attr.name);
454 kfree(data->sensors);
460 struct ibmpex_bmc_data *data;
463 data = kzalloc(sizeof(*data), GFP_KERNEL);
464 if (!data) {
469 data->address.addr_type = IPMI_SYSTEM_INTERFACE_ADDR_TYPE;
470 data->address.channel = IPMI_BMC_CHANNEL;
471 data->address.data[0] = 0;
472 data->interface = iface;
473 data->bmc_device = dev;
476 err = ipmi_create_user(data->interface, &driver_data.ipmi_hndlrs,
477 data, &data->user);
480 "interface %d\n", data->interface);
484 mutex_init(&data->lock);
487 data->tx_msgid = 0;
488 init_completion(&data->read_complete);
489 data->tx_message.netfn = PEX_NET_FUNCTION;
490 data->tx_message.cmd = PEX_COMMAND;
491 data->tx_message.data = data->tx_msg_data;
494 err = ibmpex_ver_check(data);
499 data->hwmon_dev = hwmon_device_register(data->bmc_device);
501 if (IS_ERR(data->hwmon_dev)) {
502 dev_err(data->bmc_device, "Unable to register hwmon "
504 data->interface);
508 /* finally add the new bmc data to the bmc data list */
509 dev_set_drvdata(dev, data);
510 list_add_tail(&data->list, &driver_data.bmc_data);
513 err = ibmpex_find_sensors(data);
515 dev_err(data->bmc_device, "Error %d finding sensors\n", err);
522 hwmon_device_unregister(data->hwmon_dev);
524 ipmi_destroy_user(data->user);
526 kfree(data);
529 static void ibmpex_bmc_delete(struct ibmpex_bmc_data *data)
533 device_remove_file(data->bmc_device,
535 device_remove_file(data->bmc_device, &sensor_dev_attr_name.dev_attr);
536 for (i = 0; i < data->num_sensors; i++)
538 if (!data->sensors[i].attr[j].dev_attr.attr.name)
540 device_remove_file(data->bmc_device,
541 &data->sensors[i].attr[j].dev_attr);
542 kfree(data->sensors[i].attr[j].dev_attr.attr.name);
545 list_del(&data->list);
546 dev_set_drvdata(data->bmc_device, NULL);
547 hwmon_device_unregister(data->hwmon_dev);
548 ipmi_destroy_user(data->user);
549 kfree(data->sensors);
550 kfree(data);
555 struct ibmpex_bmc_data *data = get_bmc_data(iface);
557 if (!data)
560 ibmpex_bmc_delete(data);
565 struct ibmpex_bmc_data *data = (struct ibmpex_bmc_data *)user_msg_data;
567 if (msg->msgid != data->tx_msgid) {
568 dev_err(data->bmc_device, "Mismatch between received msgid "
571 (int)data->tx_msgid);
576 data->rx_recv_type = msg->recv_type;
578 data->rx_result = msg->msg.data[0];
580 data->rx_result = IPMI_UNKNOWN_ERR_COMPLETION_CODE;
583 data->rx_msg_len = msg->msg.data_len - 1;
584 memcpy(data->rx_msg_data, msg->msg.data + 1, data->rx_msg_len);
586 data->rx_msg_len = 0;
589 complete(&data->read_complete);