Imported Upstream version 1.2.0
[psensor-pkg-debian.git] / src / lib / nvidia.c
index 9910521..685f97d 100644 (file)
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2010-2014 jeanfi@gmail.com
+ * Copyright (C) 2010-2016 jeanfi@gmail.com
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License as
@@ -20,6 +20,8 @@
 #include <libintl.h>
 #define _(str) gettext(str)
 
+#include <limits.h>
+#include <math.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <NVCtrl/NVCtrl.h>
 #include <NVCtrl/NVCtrlLib.h>
 
-#include "psensor.h"
+#include <nvidia.h>
+#include <psensor.h>
 
-Display *display;
+static Display *display;
 
-/*
-  Returns the temperature (Celcius) of a NVidia GPU.
-*/
-static int get_temp(struct psensor *sensor)
+static const char *PROVIDER_NAME = "nvctrl";
+
+static void set_nvidia_id(struct psensor *s, int id)
+{
+       *(int *)s->provider_data = id;
+}
+
+static int get_nvidia_id(struct psensor *s)
+{
+       return *(int *)s->provider_data;
+}
+
+static char *get_product_name(int id, int type)
+{
+       char *name;
+       Bool res;
+
+       if (type & SENSOR_TYPE_FAN)
+               return strdup("NVIDIA");
+
+       res = XNVCTRLQueryTargetStringAttribute(display,
+                                               NV_CTRL_TARGET_TYPE_GPU,
+                                               id,
+                                               0,
+                                               NV_CTRL_STRING_PRODUCT_NAME,
+                                               &name);
+       if (res == True) {
+               if (strcmp(name, "Unknown"))
+                       return name;
+
+               log_err(_("%s: Unknown NVIDIA product name for GPU %d"),
+                       PROVIDER_NAME,
+                       id);
+               free(name);
+       } else {
+               log_err(_("%s: "
+                         "Failed to retrieve NVIDIA product name for GPU %d"),
+                       PROVIDER_NAME,
+                       id);
+       }
+
+       return strdup("NVIDIA");
+}
+
+static double get_att(int target, int id, int att)
 {
-       int temp;
        Bool res;
+       int temp;
 
-       res = XNVCTRLQueryTargetAttribute(display,
-                                         NV_CTRL_TARGET_TYPE_GPU,
-                                         sensor->nvidia_id,
-                                         0,
-                                         NV_CTRL_GPU_CORE_TEMPERATURE,
-                                         &temp);
+       res = XNVCTRLQueryTargetAttribute(display, target, id, 0, att, &temp);
 
        if (res == True)
                return temp;
 
-       log_debug(_("NVIDIA proprietary driver not used or cannot "
-                   "retrieve NVIDIA GPU temperature."));
-       return 0;
+       return UNKNOWN_DBL_VALUE;
+}
+
+static double get_usage_att(char *atts, const char *att)
+{
+       char *c, *key, *strv, *s;
+       size_t n;
+       double v;
+
+       c = atts;
+
+       v = UNKNOWN_DBL_VALUE;
+       while (*c) {
+               s = c;
+               n = 0;
+               while (*c) {
+                       if (*c == '=')
+                               break;
+                       c++;
+                       n++;
+               }
+
+               key = strndup(s, n);
+
+               if (*c)
+                       c++;
+
+               n = 0;
+               s = c;
+               while (*c) {
+                       if (*c == ',')
+                               break;
+                       c++;
+                       n++;
+               }
+
+               strv = strndup(s, n);
+               if (!strcmp(key, att))
+                       v = atoi(strv);
+
+               free(key);
+               free(strv);
+
+               if (v != UNKNOWN_DBL_VALUE)
+                       break;
+
+               while (*c && (*c == ' ' || *c == ','))
+                       c++;
+       }
+
+       return v;
+}
+
+static const char *get_nvidia_type_str(int type)
+{
+       if (type & SENSOR_TYPE_GRAPHICS)
+               return "graphics";
+
+       if (type & SENSOR_TYPE_VIDEO)
+               return "video";
+
+       if (type & SENSOR_TYPE_MEMORY)
+               return "memory";
+
+       if (type & SENSOR_TYPE_PCIE)
+               return "PCIe";
+
+       if (type & SENSOR_TYPE_AMBIENT)
+               return "ambient";
+
+       if (type & SENSOR_TYPE_TEMP)
+               return "temp";
+
+       if (type & SENSOR_TYPE_FAN) {
+               if (type & SENSOR_TYPE_RPM)
+                       return "fan rpm";
+
+               return "fan level";
+       }
+
+       return "unknown";
+}
+
+static double get_usage(int id, int type)
+{
+       const char *stype;
+       char *atts;
+       double v;
+       Bool res;
+
+       stype = get_nvidia_type_str(type);
+
+       if (!stype)
+               return UNKNOWN_DBL_VALUE;
+
+       res = XNVCTRLQueryTargetStringAttribute(display,
+                                               NV_CTRL_TARGET_TYPE_GPU,
+                                               id,
+                                               0,
+                                               NV_CTRL_STRING_GPU_UTILIZATION,
+                                               &atts);
+
+       if (res != True)
+               return UNKNOWN_DBL_VALUE;
+
+       v = get_usage_att(atts, stype);
+
+       free(atts);
+
+       return v;
+}
+
+static double get_value(int id, int type)
+{
+       int att;
+
+       if (type & SENSOR_TYPE_TEMP) {
+               if (type & SENSOR_TYPE_AMBIENT)
+                       att = NV_CTRL_AMBIENT_TEMPERATURE;
+               else
+                       att = NV_CTRL_GPU_CORE_TEMPERATURE;
+
+               return get_att(NV_CTRL_TARGET_TYPE_GPU, id, att);
+       } else if (type & SENSOR_TYPE_FAN) {
+               if (type & SENSOR_TYPE_RPM)
+                       return get_att(NV_CTRL_TARGET_TYPE_COOLER,
+                                      id,
+                                      NV_CTRL_THERMAL_COOLER_SPEED);
+               else /* SENSOR_TYPE_PERCENT */
+                       return get_att(NV_CTRL_TARGET_TYPE_COOLER,
+                                      id,
+                                      NV_CTRL_THERMAL_COOLER_LEVEL);
+       } else { /* SENSOR_TYPE_PERCENT */
+               return get_usage(id, type);
+       }
+}
+
+static void update(struct psensor *sensor)
+{
+       double v;
+       int id;
+
+       id = get_nvidia_id(sensor);
+
+       v = get_value(id, sensor->type);
+
+       if (v == UNKNOWN_DBL_VALUE)
+               log_err(_("%s: Failed to retrieve measure of type %x "
+                         "for NVIDIA GPU %d"),
+                       PROVIDER_NAME,
+                       sensor->type,
+                       id);
+       psensor_set_current_value(sensor, v);
+}
+
+static int check_sensor(int id, int type)
+{
+       return get_value(id, type) != UNKNOWN_DBL_VALUE;
 }
 
-static struct psensor *create_sensor(int id, int values_len)
+static char *i2str(int i)
 {
-       char name[200];
-       char *sid;
+       char *str;
+       size_t n;
+
+       /* second +1 to avoid issue about the conversion of a double
+        * to a lower int
+        */
+       n = 1 + (ceil(log10(INT_MAX)) + 1) + 1;
+
+       str = malloc(n);
+       snprintf(str, n, "%d", i);
+
+       return str;
+}
+
+static struct psensor *create_nvidia_sensor(int id, int subtype, int value_len)
+{
+       char *pname, *name, *strnid, *sid;
+       const char *stype;
+       int type;
+       size_t n;
        struct psensor *s;
-       int t;
+       double v;
+
+       type = SENSOR_TYPE_NVCTRL | subtype;
+
+       if (!check_sensor(id, type))
+               return NULL;
 
-       sprintf(name, "GPU%d", id);
+       pname = get_product_name(id, type);
+       strnid = i2str(id);
+       stype = get_nvidia_type_str(type);
 
-       sid = malloc(strlen("nvidia") + 1 + strlen(name) + 1);
-       sprintf(sid, "nvidia %s", name);
+       n = strlen(pname) + 1 + strlen(strnid) + 1 + strlen(stype) + 1;
+       name = malloc(n);
+       sprintf(name, "%s %s %s", pname, strnid, stype);
 
-       t = SENSOR_TYPE_NVCTRL | SENSOR_TYPE_GPU | SENSOR_TYPE_TEMP;
+       sid = malloc(strlen(PROVIDER_NAME) + 1 + strlen(name) + 1);
+       sprintf(sid, "%s %s", PROVIDER_NAME, name);
 
-       s = psensor_create(sid,
-                          strdup(name),
-                          strdup("Nvidia GPU"),
-                          t,
-                          values_len);
+       s = psensor_create(sid, name, pname, type, value_len);
+       s->provider_data = malloc(sizeof(int));
+       set_nvidia_id(s, id);
+
+       if ((type & SENSOR_TYPE_GPU) && (type & SENSOR_TYPE_TEMP)) {
+               v = get_att(NV_CTRL_TARGET_TYPE_GPU,
+                           id,
+                           NV_CTRL_GPU_CORE_THRESHOLD);
+               s->max = v;
+       }
 
-       s->nvidia_id = id;
+       free(strnid);
 
        return s;
 }
 
-/*
-  Opens connection to X server and returns the number
-  of NVidia GPUs.
-
-  Return 0 if no NVidia gpus or cannot get information.
-*/
-static int init()
+static int init(void)
 {
-       int evt, err, n;
+       int evt, err;
 
        display = XOpenDisplay(NULL);
 
        if (!display) {
-               log_err(_("Cannot open connection to X11 server."));
+               log_err(_("%s: Cannot open connection to X11 server."),
+                       PROVIDER_NAME);
                return 0;
        }
 
-       if (XNVCTRLQueryExtension(display, &evt, &err) &&
-           XNVCTRLQueryTargetCount(display, NV_CTRL_TARGET_TYPE_GPU, &n))
-               return n;
+       if (XNVCTRLQueryExtension(display, &evt, &err))
+               return 1;
 
-       log_err(_("Failed to retrieve NVIDIA information."));
+       log_err(_("%s: Failed to retrieve NVIDIA information."),
+               PROVIDER_NAME);
 
        return 0;
 }
 
 void nvidia_psensor_list_update(struct psensor **sensors)
 {
-       struct psensor **ss, *s;
+       struct psensor *s;
 
-       ss = sensors;
-       while (*ss) {
-               s = *ss;
+       while (*sensors) {
+               s = *sensors;
 
-               if (s->type & SENSOR_TYPE_NVCTRL)
-                       psensor_set_current_value(s, get_temp(s));
+               if (!(s->type & SENSOR_TYPE_REMOTE)
+                   && s->type & SENSOR_TYPE_NVCTRL)
+                       update(s);
 
-               ss++;
+               sensors++;
        }
 }
 
-struct psensor **nvidia_psensor_list_add(struct psensor **sensors,
-                                        int values_len)
+static void add(struct psensor ***sensors, int id, int type, int values_len)
 {
-       int i, n;
-       struct psensor **tmp, **ss, *s;
-
-       n = init();
-
-       ss = sensors;
-       for (i = 0; i < n; i++) {
-               s = create_sensor(i, values_len);
+       struct psensor *s;
 
-               tmp = psensor_list_add(ss, s);
+       s = create_nvidia_sensor(id, type, values_len);
 
-               if (ss != tmp)
-                       free(ss);
+       if (s)
+               psensor_list_append(sensors, s);
+}
 
-               ss = tmp;
+void nvidia_psensor_list_append(struct psensor ***ss, int values_len)
+{
+       int i, n, utype;
+       Bool ret;
+
+       if (!init())
+               return;
+
+       ret = XNVCTRLQueryTargetCount(display, NV_CTRL_TARGET_TYPE_GPU, &n);
+       if (ret == True) {
+               for (i = 0; i < n; i++) {
+                       add(ss,
+                           i,
+                           SENSOR_TYPE_GPU | SENSOR_TYPE_TEMP,
+                           values_len);
+
+                       utype = SENSOR_TYPE_GPU | SENSOR_TYPE_PERCENT;
+                       add(ss, i, utype | SENSOR_TYPE_AMBIENT, values_len);
+                       add(ss, i, utype | SENSOR_TYPE_GRAPHICS, values_len);
+                       add(ss, i, utype | SENSOR_TYPE_VIDEO, values_len);
+                       add(ss, i, utype | SENSOR_TYPE_MEMORY, values_len);
+                       add(ss, i, utype | SENSOR_TYPE_PCIE, values_len);
+               }
        }
 
-       return ss;
+       ret = XNVCTRLQueryTargetCount(display, NV_CTRL_TARGET_TYPE_COOLER, &n);
+       if (ret == True) {
+               log_fct("%s: Number of fans: %d", PROVIDER_NAME, n);
+               for (i = 0; i < n; i++) {
+                       utype = SENSOR_TYPE_FAN | SENSOR_TYPE_RPM;
+                       if (check_sensor(i, utype))
+                               add(ss, i, utype, values_len);
+
+                       utype = SENSOR_TYPE_FAN | SENSOR_TYPE_PERCENT;
+                       if (check_sensor(i, utype))
+                               add(ss, i, utype, values_len);
+               }
+       } else {
+               log_err(_("%s: Failed to retrieve number of fans."),
+                       PROVIDER_NAME);
+       }
 }
 
-void nvidia_cleanup()
+void nvidia_cleanup(void)
 {
        if (display) {
                XCloseDisplay(display);