- patches.suse/slab-handle-memoryless-nodes-v2a.patch: Refresh.

[linux-flexiantxendom0-3.2.10.git] / include / linux / wimax / debug.h

diff --git a/include/linux/wimax/debug.h b/include/linux/wimax/debug.h
index c703e03..db8096e 100644 (file)
--- a/include/linux/wimax/debug.h
+++ b/include/linux/wimax/debug.h
@@ -450,4 +450,76 @@ do {                                                       \
 })
 
 
+static inline
+void d_submodule_set(struct d_level *d_level, size_t d_level_size,
+                    const char *submodule, u8 level, const char *tag)
+{
+       struct d_level *itr, *top;
+       int index = -1;
+
+       for (itr = d_level, top = itr + d_level_size; itr < top; itr++) {
+               index++;
+               if (itr->name == NULL) {
+                       printk(KERN_ERR "%s: itr->name NULL?? (%p, #%d)\n",
+                              tag, itr, index);
+                       continue;
+               }
+               if (!strcmp(itr->name, submodule)) {
+                       itr->level = level;
+                       return;
+               }
+       }
+       printk(KERN_ERR "%s: unknown submodule %s\n", tag, submodule);
+}
+
+
+/**
+ * d_parse_params - Parse a string with debug parameters from the
+ * command line
+ *
+ * @d_level: level structure (D_LEVEL)
+ * @d_level_size: number of items in the level structure
+ *     (D_LEVEL_SIZE).
+ * @_params: string with the parameters; this is a space (not tab!)
+ *     separated list of NAME:VALUE, where value is the debug level
+ *     and NAME is the name of the submodule.
+ * @tag: string for error messages (example: MODULE.ARGNAME).
+ */
+static inline
+void d_parse_params(struct d_level *d_level, size_t d_level_size,
+                   const char *_params, const char *tag)
+{
+       char submodule[130], *params, *params_orig, *token, *colon;
+       unsigned level, tokens;
+
+       if (_params == NULL)
+               return;
+       params_orig = kstrdup(_params, GFP_KERNEL);
+       params = params_orig;
+       while (1) {
+               token = strsep(&params, " ");
+               if (token == NULL)
+                       break;
+               if (*token == '\0')     /* eat joint spaces */
+                       continue;
+               /* kernel's sscanf %s eats until whitespace, so we
+                * replace : by \n so it doesn't get eaten later by
+                * strsep */
+               colon = strchr(token, ':');
+               if (colon != NULL)
+                       *colon = '\n';
+               tokens = sscanf(token, "%s\n%u", submodule, &level);
+               if (colon != NULL)
+                       *colon = ':';   /* set back, for error messages */
+               if (tokens == 2)
+                       d_submodule_set(d_level, d_level_size,
+                                       submodule, level, tag);
+               else
+                       printk(KERN_ERR "%s: can't parse '%s' as a "
+                              "SUBMODULE:LEVEL (%d tokens)\n",
+                              tag, token, tokens);
+       }
+       kfree(params_orig);
+}
+
 #endif /* #ifndef __debug__h__ */