drivers/hwmon/ibmpowernv.c

0001 // SPDX-License-Identifier: GPL-2.0-or-later
0002 /*
0003  * IBM PowerNV platform sensors for temperature/fan/voltage/power
0004  * Copyright (C) 2014 IBM
0005  */
0006
0007 #define DRVNAME     "ibmpowernv"
0008 #define pr_fmt(fmt) DRVNAME ": " fmt
0009
0010 #include <linux/init.h>
0011 #include <linux/module.h>
0012 #include <linux/kernel.h>
0013 #include <linux/hwmon.h>
0014 #include <linux/hwmon-sysfs.h>
0015 #include <linux/of.h>
0016 #include <linux/slab.h>
0017
0018 #include <linux/platform_device.h>
0019 #include <asm/opal.h>
0020 #include <linux/err.h>
0021 #include <asm/cputhreads.h>
0022 #include <asm/smp.h>
0023
0024 #define MAX_ATTR_LEN    32
0025 #define MAX_LABEL_LEN   64
0026
0027 /* Sensor suffix name from DT */
0028 #define DT_FAULT_ATTR_SUFFIX        "faulted"
0029 #define DT_DATA_ATTR_SUFFIX     "data"
0030 #define DT_THRESHOLD_ATTR_SUFFIX    "thrs"
0031
0032 /*
0033  * Enumerates all the types of sensors in the POWERNV platform and does index
0034  * into 'struct sensor_group'
0035  */
0036 enum sensors {
0037     FAN,
0038     TEMP,
0039     POWER_SUPPLY,
0040     POWER_INPUT,
0041     CURRENT,
0042     ENERGY,
0043     MAX_SENSOR_TYPE,
0044 };
0045
0046 #define INVALID_INDEX (-1U)
0047
0048 /*
0049  * 'compatible' string properties for sensor types as defined in old
0050  * PowerNV firmware (skiboot). These are ordered as 'enum sensors'.
0051  */
0052 static const char * const legacy_compatibles[] = {
0053     "ibm,opal-sensor-cooling-fan",
0054     "ibm,opal-sensor-amb-temp",
0055     "ibm,opal-sensor-power-supply",
0056     "ibm,opal-sensor-power"
0057 };
0058
0059 static struct sensor_group {
0060     const char *name; /* matches property 'sensor-type' */
0061     struct attribute_group group;
0062     u32 attr_count;
0063     u32 hwmon_index;
0064 } sensor_groups[] = {
0065     { "fan"   },
0066     { "temp"  },
0067     { "in"    },
0068     { "power" },
0069     { "curr"  },
0070     { "energy" },
0071 };
0072
0073 struct sensor_data {
0074     u32 id; /* An opaque id of the firmware for each sensor */
0075     u32 hwmon_index;
0076     u32 opal_index;
0077     enum sensors type;
0078     char label[MAX_LABEL_LEN];
0079     char name[MAX_ATTR_LEN];
0080     struct device_attribute dev_attr;
0081     struct sensor_group_data *sgrp_data;
0082 };
0083
0084 struct sensor_group_data {
0085     struct mutex mutex;
0086     u32 gid;
0087     bool enable;
0088 };
0089
0090 struct platform_data {
0091     const struct attribute_group *attr_groups[MAX_SENSOR_TYPE + 1];
0092     struct sensor_group_data *sgrp_data;
0093     u32 sensors_count; /* Total count of sensors from each group */
0094     u32 nr_sensor_groups; /* Total number of sensor groups */
0095 };
0096
0097 static ssize_t show_sensor(struct device *dev, struct device_attribute *devattr,
0098                char *buf)
0099 {
0100     struct sensor_data *sdata = container_of(devattr, struct sensor_data,
0101                          dev_attr);
0102     ssize_t ret;
0103     u64 x;
0104
0105     if (sdata->sgrp_data && !sdata->sgrp_data->enable)
0106         return -ENODATA;
0107
0108     ret =  opal_get_sensor_data_u64(sdata->id, &x);
0109
0110     if (ret)
0111         return ret;
0112
0113     /* Convert temperature to milli-degrees */
0114     if (sdata->type == TEMP)
0115         x *= 1000;
0116     /* Convert power to micro-watts */
0117     else if (sdata->type == POWER_INPUT)
0118         x *= 1000000;
0119
0120     return sprintf(buf, "%llu\n", x);
0121 }
0122
0123 static ssize_t show_enable(struct device *dev,
0124                struct device_attribute *devattr, char *buf)
0125 {
0126     struct sensor_data *sdata = container_of(devattr, struct sensor_data,
0127                          dev_attr);
0128
0129     return sprintf(buf, "%u\n", sdata->sgrp_data->enable);
0130 }
0131
0132 static ssize_t store_enable(struct device *dev,
0133                 struct device_attribute *devattr,
0134                 const char *buf, size_t count)
0135 {
0136     struct sensor_data *sdata = container_of(devattr, struct sensor_data,
0137                          dev_attr);
0138     struct sensor_group_data *sgrp_data = sdata->sgrp_data;
0139     int ret;
0140     bool data;
0141
0142     ret = kstrtobool(buf, &data);
0143     if (ret)
0144         return ret;
0145
0146     ret = mutex_lock_interruptible(&sgrp_data->mutex);
0147     if (ret)
0148         return ret;
0149
0150     if (data != sgrp_data->enable) {
0151         ret =  sensor_group_enable(sgrp_data->gid, data);
0152         if (!ret)
0153             sgrp_data->enable = data;
0154     }
0155
0156     if (!ret)
0157         ret = count;
0158
0159     mutex_unlock(&sgrp_data->mutex);
0160     return ret;
0161 }
0162
0163 static ssize_t show_label(struct device *dev, struct device_attribute *devattr,
0164               char *buf)
0165 {
0166     struct sensor_data *sdata = container_of(devattr, struct sensor_data,
0167                          dev_attr);
0168
0169     return sprintf(buf, "%s\n", sdata->label);
0170 }
0171
0172 static int get_logical_cpu(int hwcpu)
0173 {
0174     int cpu;
0175
0176     for_each_possible_cpu(cpu)
0177         if (get_hard_smp_processor_id(cpu) == hwcpu)
0178             return cpu;
0179
0180     return -ENOENT;
0181 }
0182
0183 static void make_sensor_label(struct device_node *np,
0184                   struct sensor_data *sdata, const char *label)
0185 {
0186     u32 id;
0187     size_t n;
0188
0189     n = scnprintf(sdata->label, sizeof(sdata->label), "%s", label);
0190
0191     /*
0192      * Core temp pretty print
0193      */
0194     if (!of_property_read_u32(np, "ibm,pir", &id)) {
0195         int cpuid = get_logical_cpu(id);
0196
0197         if (cpuid >= 0)
0198             /*
0199              * The digital thermal sensors are associated
0200              * with a core.
0201              */
0202             n += scnprintf(sdata->label + n,
0203                       sizeof(sdata->label) - n, " %d",
0204                       cpuid);
0205         else
0206             n += scnprintf(sdata->label + n,
0207                       sizeof(sdata->label) - n, " phy%d", id);
0208     }
0209
0210     /*
0211      * Membuffer pretty print
0212      */
0213     if (!of_property_read_u32(np, "ibm,chip-id", &id))
0214         n += scnprintf(sdata->label + n, sizeof(sdata->label) - n,
0215                   " %d", id & 0xffff);
0216 }
0217
0218 static int get_sensor_index_attr(const char *name, u32 *index, char *attr)
0219 {
0220     char *hash_pos = strchr(name, '#');
0221     char buf[8] = { 0 };
0222     char *dash_pos;
0223     u32 copy_len;
0224     int err;
0225
0226     if (!hash_pos)
0227         return -EINVAL;
0228
0229     dash_pos = strchr(hash_pos, '-');
0230     if (!dash_pos)
0231         return -EINVAL;
0232
0233     copy_len = dash_pos - hash_pos - 1;
0234     if (copy_len >= sizeof(buf))
0235         return -EINVAL;
0236
0237     strncpy(buf, hash_pos + 1, copy_len);
0238
0239     err = kstrtou32(buf, 10, index);
0240     if (err)
0241         return err;
0242
0243     strscpy(attr, dash_pos + 1, MAX_ATTR_LEN);
0244
0245     return 0;
0246 }
0247
0248 static const char *convert_opal_attr_name(enum sensors type,
0249                       const char *opal_attr)
0250 {
0251     const char *attr_name = NULL;
0252
0253     if (!strcmp(opal_attr, DT_FAULT_ATTR_SUFFIX)) {
0254         attr_name = "fault";
0255     } else if (!strcmp(opal_attr, DT_DATA_ATTR_SUFFIX)) {
0256         attr_name = "input";
0257     } else if (!strcmp(opal_attr, DT_THRESHOLD_ATTR_SUFFIX)) {
0258         if (type == TEMP)
0259             attr_name = "max";
0260         else if (type == FAN)
0261             attr_name = "min";
0262     }
0263
0264     return attr_name;
0265 }
0266
0267 /*
0268  * This function translates the DT node name into the 'hwmon' attribute name.
0269  * IBMPOWERNV device node appear like cooling-fan#2-data, amb-temp#1-thrs etc.
0270  * which need to be mapped as fan2_input, temp1_max respectively before
0271  * populating them inside hwmon device class.
0272  */
0273 static const char *parse_opal_node_name(const char *node_name,
0274                     enum sensors type, u32 *index)
0275 {
0276     char attr_suffix[MAX_ATTR_LEN];
0277     const char *attr_name;
0278     int err;
0279
0280     err = get_sensor_index_attr(node_name, index, attr_suffix);
0281     if (err)
0282         return ERR_PTR(err);
0283
0284     attr_name = convert_opal_attr_name(type, attr_suffix);
0285     if (!attr_name)
0286         return ERR_PTR(-ENOENT);
0287
0288     return attr_name;
0289 }
0290
0291 static int get_sensor_type(struct device_node *np)
0292 {
0293     enum sensors type;
0294     const char *str;
0295
0296     for (type = 0; type < ARRAY_SIZE(legacy_compatibles); type++) {
0297         if (of_device_is_compatible(np, legacy_compatibles[type]))
0298             return type;
0299     }
0300
0301     /*
0302      * Let's check if we have a newer device tree
0303      */
0304     if (!of_device_is_compatible(np, "ibm,opal-sensor"))
0305         return MAX_SENSOR_TYPE;
0306
0307     if (of_property_read_string(np, "sensor-type", &str))
0308         return MAX_SENSOR_TYPE;
0309
0310     for (type = 0; type < MAX_SENSOR_TYPE; type++)
0311         if (!strcmp(str, sensor_groups[type].name))
0312             return type;
0313
0314     return MAX_SENSOR_TYPE;
0315 }
0316
0317 static u32 get_sensor_hwmon_index(struct sensor_data *sdata,
0318                   struct sensor_data *sdata_table, int count)
0319 {
0320     int i;
0321
0322     /*
0323      * We don't use the OPAL index on newer device trees
0324      */
0325     if (sdata->opal_index != INVALID_INDEX) {
0326         for (i = 0; i < count; i++)
0327             if (sdata_table[i].opal_index == sdata->opal_index &&
0328                 sdata_table[i].type == sdata->type)
0329                 return sdata_table[i].hwmon_index;
0330     }
0331     return ++sensor_groups[sdata->type].hwmon_index;
0332 }
0333
0334 static int init_sensor_group_data(struct platform_device *pdev,
0335                   struct platform_data *pdata)
0336 {
0337     struct sensor_group_data *sgrp_data;
0338     struct device_node *groups, *sgrp;
0339     int count = 0, ret = 0;
0340     enum sensors type;
0341
0342     groups = of_find_compatible_node(NULL, NULL, "ibm,opal-sensor-group");
0343     if (!groups)
0344         return ret;
0345
0346     for_each_child_of_node(groups, sgrp) {
0347         type = get_sensor_type(sgrp);
0348         if (type != MAX_SENSOR_TYPE)
0349             pdata->nr_sensor_groups++;
0350     }
0351
0352     if (!pdata->nr_sensor_groups)
0353         goto out;
0354
0355     sgrp_data = devm_kcalloc(&pdev->dev, pdata->nr_sensor_groups,
0356                  sizeof(*sgrp_data), GFP_KERNEL);
0357     if (!sgrp_data) {
0358         ret = -ENOMEM;
0359         goto out;
0360     }
0361
0362     for_each_child_of_node(groups, sgrp) {
0363         u32 gid;
0364
0365         type = get_sensor_type(sgrp);
0366         if (type == MAX_SENSOR_TYPE)
0367             continue;
0368
0369         if (of_property_read_u32(sgrp, "sensor-group-id", &gid))
0370             continue;
0371
0372         if (of_count_phandle_with_args(sgrp, "sensors", NULL) <= 0)
0373             continue;
0374
0375         sensor_groups[type].attr_count++;
0376         sgrp_data[count].gid = gid;
0377         mutex_init(&sgrp_data[count].mutex);
0378         sgrp_data[count++].enable = false;
0379     }
0380
0381     pdata->sgrp_data = sgrp_data;
0382 out:
0383     of_node_put(groups);
0384     return ret;
0385 }
0386
0387 static struct sensor_group_data *get_sensor_group(struct platform_data *pdata,
0388                           struct device_node *node,
0389                           enum sensors gtype)
0390 {
0391     struct sensor_group_data *sgrp_data = pdata->sgrp_data;
0392     struct device_node *groups, *sgrp;
0393
0394     groups = of_find_compatible_node(NULL, NULL, "ibm,opal-sensor-group");
0395     if (!groups)
0396         return NULL;
0397
0398     for_each_child_of_node(groups, sgrp) {
0399         struct of_phandle_iterator it;
0400         u32 gid;
0401         int rc, i;
0402         enum sensors type;
0403
0404         type = get_sensor_type(sgrp);
0405         if (type != gtype)
0406             continue;
0407
0408         if (of_property_read_u32(sgrp, "sensor-group-id", &gid))
0409             continue;
0410
0411         of_for_each_phandle(&it, rc, sgrp, "sensors", NULL, 0)
0412             if (it.phandle == node->phandle) {
0413                 of_node_put(it.node);
0414                 break;
0415             }
0416
0417         if (rc)
0418             continue;
0419
0420         for (i = 0; i < pdata->nr_sensor_groups; i++)
0421             if (gid == sgrp_data[i].gid) {
0422                 of_node_put(sgrp);
0423                 of_node_put(groups);
0424                 return &sgrp_data[i];
0425             }
0426     }
0427
0428     of_node_put(groups);
0429     return NULL;
0430 }
0431
0432 static int populate_attr_groups(struct platform_device *pdev)
0433 {
0434     struct platform_data *pdata = platform_get_drvdata(pdev);
0435     const struct attribute_group **pgroups = pdata->attr_groups;
0436     struct device_node *opal, *np;
0437     enum sensors type;
0438     int ret;
0439
0440     ret = init_sensor_group_data(pdev, pdata);
0441     if (ret)
0442         return ret;
0443
0444     opal = of_find_node_by_path("/ibm,opal/sensors");
0445     for_each_child_of_node(opal, np) {
0446         const char *label;
0447
0448         type = get_sensor_type(np);
0449         if (type == MAX_SENSOR_TYPE)
0450             continue;
0451
0452         sensor_groups[type].attr_count++;
0453
0454         /*
0455          * add attributes for labels, min and max
0456          */
0457         if (!of_property_read_string(np, "label", &label))
0458             sensor_groups[type].attr_count++;
0459         if (of_find_property(np, "sensor-data-min", NULL))
0460             sensor_groups[type].attr_count++;
0461         if (of_find_property(np, "sensor-data-max", NULL))
0462             sensor_groups[type].attr_count++;
0463     }
0464
0465     of_node_put(opal);
0466
0467     for (type = 0; type < MAX_SENSOR_TYPE; type++) {
0468         sensor_groups[type].group.attrs = devm_kcalloc(&pdev->dev,
0469                     sensor_groups[type].attr_count + 1,
0470                     sizeof(struct attribute *),
0471                     GFP_KERNEL);
0472         if (!sensor_groups[type].group.attrs)
0473             return -ENOMEM;
0474
0475         pgroups[type] = &sensor_groups[type].group;
0476         pdata->sensors_count += sensor_groups[type].attr_count;
0477         sensor_groups[type].attr_count = 0;
0478     }
0479
0480     return 0;
0481 }
0482
0483 static void create_hwmon_attr(struct sensor_data *sdata, const char *attr_name,
0484                   ssize_t (*show)(struct device *dev,
0485                           struct device_attribute *attr,
0486                           char *buf),
0487                 ssize_t (*store)(struct device *dev,
0488                          struct device_attribute *attr,
0489                          const char *buf, size_t count))
0490 {
0491     snprintf(sdata->name, MAX_ATTR_LEN, "%s%d_%s",
0492          sensor_groups[sdata->type].name, sdata->hwmon_index,
0493          attr_name);
0494
0495     sysfs_attr_init(&sdata->dev_attr.attr);
0496     sdata->dev_attr.attr.name = sdata->name;
0497     sdata->dev_attr.show = show;
0498     if (store) {
0499         sdata->dev_attr.store = store;
0500         sdata->dev_attr.attr.mode = 0664;
0501     } else {
0502         sdata->dev_attr.attr.mode = 0444;
0503     }
0504 }
0505
0506 static void populate_sensor(struct sensor_data *sdata, int od, int hd, int sid,
0507                 const char *attr_name, enum sensors type,
0508                 const struct attribute_group *pgroup,
0509                 struct sensor_group_data *sgrp_data,
0510                 ssize_t (*show)(struct device *dev,
0511                         struct device_attribute *attr,
0512                         char *buf),
0513                 ssize_t (*store)(struct device *dev,
0514                          struct device_attribute *attr,
0515                          const char *buf, size_t count))
0516 {
0517     sdata->id = sid;
0518     sdata->type = type;
0519     sdata->opal_index = od;
0520     sdata->hwmon_index = hd;
0521     create_hwmon_attr(sdata, attr_name, show, store);
0522     pgroup->attrs[sensor_groups[type].attr_count++] = &sdata->dev_attr.attr;
0523     sdata->sgrp_data = sgrp_data;
0524 }
0525
0526 static char *get_max_attr(enum sensors type)
0527 {
0528     switch (type) {
0529     case POWER_INPUT:
0530         return "input_highest";
0531     default:
0532         return "highest";
0533     }
0534 }
0535
0536 static char *get_min_attr(enum sensors type)
0537 {
0538     switch (type) {
0539     case POWER_INPUT:
0540         return "input_lowest";
0541     default:
0542         return "lowest";
0543     }
0544 }
0545
0546 /*
0547  * Iterate through the device tree for each child of 'sensors' node, create
0548  * a sysfs attribute file, the file is named by translating the DT node name
0549  * to the name required by the higher 'hwmon' driver like fan1_input, temp1_max
0550  * etc..
0551  */
0552 static int create_device_attrs(struct platform_device *pdev)
0553 {
0554     struct platform_data *pdata = platform_get_drvdata(pdev);
0555     const struct attribute_group **pgroups = pdata->attr_groups;
0556     struct device_node *opal, *np;
0557     struct sensor_data *sdata;
0558     u32 count = 0;
0559     u32 group_attr_id[MAX_SENSOR_TYPE] = {0};
0560
0561     sdata = devm_kcalloc(&pdev->dev,
0562                  pdata->sensors_count, sizeof(*sdata),
0563                  GFP_KERNEL);
0564     if (!sdata)
0565         return -ENOMEM;
0566
0567     opal = of_find_node_by_path("/ibm,opal/sensors");
0568     for_each_child_of_node(opal, np) {
0569         struct sensor_group_data *sgrp_data;
0570         const char *attr_name;
0571         u32 opal_index, hw_id;
0572         u32 sensor_id;
0573         const char *label;
0574         enum sensors type;
0575
0576         type = get_sensor_type(np);
0577         if (type == MAX_SENSOR_TYPE)
0578             continue;
0579
0580         /*
0581          * Newer device trees use a "sensor-data" property
0582          * name for input.
0583          */
0584         if (of_property_read_u32(np, "sensor-id", &sensor_id) &&
0585             of_property_read_u32(np, "sensor-data", &sensor_id)) {
0586             dev_info(&pdev->dev,
0587                  "'sensor-id' missing in the node '%pOFn'\n",
0588                  np);
0589             continue;
0590         }
0591
0592         sdata[count].id = sensor_id;
0593         sdata[count].type = type;
0594
0595         /*
0596          * If we can not parse the node name, it means we are
0597          * running on a newer device tree. We can just forget
0598          * about the OPAL index and use a defaut value for the
0599          * hwmon attribute name
0600          */
0601         attr_name = parse_opal_node_name(np->name, type, &opal_index);
0602         if (IS_ERR(attr_name)) {
0603             attr_name = "input";
0604             opal_index = INVALID_INDEX;
0605         }
0606
0607         hw_id = get_sensor_hwmon_index(&sdata[count], sdata, count);
0608         sgrp_data = get_sensor_group(pdata, np, type);
0609         populate_sensor(&sdata[count], opal_index, hw_id, sensor_id,
0610                 attr_name, type, pgroups[type], sgrp_data,
0611                 show_sensor, NULL);
0612         count++;
0613
0614         if (!of_property_read_string(np, "label", &label)) {
0615             /*
0616              * For the label attribute, we can reuse the
0617              * "properties" of the previous "input"
0618              * attribute. They are related to the same
0619              * sensor.
0620              */
0621
0622             make_sensor_label(np, &sdata[count], label);
0623             populate_sensor(&sdata[count], opal_index, hw_id,
0624                     sensor_id, "label", type, pgroups[type],
0625                     NULL, show_label, NULL);
0626             count++;
0627         }
0628
0629         if (!of_property_read_u32(np, "sensor-data-max", &sensor_id)) {
0630             attr_name = get_max_attr(type);
0631             populate_sensor(&sdata[count], opal_index, hw_id,
0632                     sensor_id, attr_name, type,
0633                     pgroups[type], sgrp_data, show_sensor,
0634                     NULL);
0635             count++;
0636         }
0637
0638         if (!of_property_read_u32(np, "sensor-data-min", &sensor_id)) {
0639             attr_name = get_min_attr(type);
0640             populate_sensor(&sdata[count], opal_index, hw_id,
0641                     sensor_id, attr_name, type,
0642                     pgroups[type], sgrp_data, show_sensor,
0643                     NULL);
0644             count++;
0645         }
0646
0647         if (sgrp_data && !sgrp_data->enable) {
0648             sgrp_data->enable = true;
0649             hw_id = ++group_attr_id[type];
0650             populate_sensor(&sdata[count], opal_index, hw_id,
0651                     sgrp_data->gid, "enable", type,
0652                     pgroups[type], sgrp_data, show_enable,
0653                     store_enable);
0654             count++;
0655         }
0656     }
0657
0658     of_node_put(opal);
0659     return 0;
0660 }
0661
0662 static int ibmpowernv_probe(struct platform_device *pdev)
0663 {
0664     struct platform_data *pdata;
0665     struct device *hwmon_dev;
0666     int err;
0667
0668     pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
0669     if (!pdata)
0670         return -ENOMEM;
0671
0672     platform_set_drvdata(pdev, pdata);
0673     pdata->sensors_count = 0;
0674     pdata->nr_sensor_groups = 0;
0675     err = populate_attr_groups(pdev);
0676     if (err)
0677         return err;
0678
0679     /* Create sysfs attribute data for each sensor found in the DT */
0680     err = create_device_attrs(pdev);
0681     if (err)
0682         return err;
0683
0684     /* Finally, register with hwmon */
0685     hwmon_dev = devm_hwmon_device_register_with_groups(&pdev->dev, DRVNAME,
0686                                pdata,
0687                                pdata->attr_groups);
0688
0689     return PTR_ERR_OR_ZERO(hwmon_dev);
0690 }
0691
0692 static const struct platform_device_id opal_sensor_driver_ids[] = {
0693     {
0694         .name = "opal-sensor",
0695     },
0696     { }
0697 };
0698 MODULE_DEVICE_TABLE(platform, opal_sensor_driver_ids);
0699
0700 static const struct of_device_id opal_sensor_match[] = {
0701     { .compatible   = "ibm,opal-sensor" },
0702     { },
0703 };
0704 MODULE_DEVICE_TABLE(of, opal_sensor_match);
0705
0706 static struct platform_driver ibmpowernv_driver = {
0707     .probe      = ibmpowernv_probe,
0708     .id_table   = opal_sensor_driver_ids,
0709     .driver     = {
0710         .name   = DRVNAME,
0711         .of_match_table = opal_sensor_match,
0712     },
0713 };
0714
0715 module_platform_driver(ibmpowernv_driver);
0716
0717 MODULE_AUTHOR("Neelesh Gupta <neelegup@linux.vnet.ibm.com>");
0718 MODULE_DESCRIPTION("IBM POWERNV platform sensors");
0719 MODULE_LICENSE("GPL");