Changeset 692c40cb in mainline for uspace/srv/devman/devman.h

Timestamp:

2010-05-28T09:04:37Z (15 years ago)

Author:

Lenka Trochtova <trochtova.lenka@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

5159ae9

Parents:

c9f3b45c

Message:

Introduce device classes.Device class specifies functional type of the device. Device classes are identified by their string names (actually device class is just a string value). Device classes can be dynamically added. A device can be added to any number of classes.

File:

• uspace/srv/devman/devman.h (modified) (5 diffs)

uspace/srv/devman/devman.h

@@ -158 +158 @@
         link_t link;    
         /** List of dev_class_info structures - one for each device registered by this class.*/
-        link_t devices; 
-        /** Default base name for the device within the class, might be overrided by the driver.*/
+        link_t devices;
+        /** Default base name for the device within the class, might be overrided by the driver.*/      
         const char *base_dev_name;
-        /** Unique numerical identifier appened to the base name of the newly added device.*/
+        /** Unique numerical identifier of the newly added device.*/
         size_t curr_dev_idx;
         /** Synchronize access to the list of devices in this class. */
@@ -185 +185 @@
 } dev_class_info_t;
 
+/** The list of device classes. */
+typedef struct class_list {
+        /** List of classes */
+        link_t classes;
+        /** Fibril mutex for list of classes. */
+        fibril_mutex_t classes_mutex;   
+} class_list_t;
+
 // Match ids and scores
 
@@ -282 +290 @@
 {
         node_t *res = malloc(sizeof(node_t));
+        
         if (res != NULL) {
                 memset(res, 0, sizeof(node_t));
+                list_initialize(&res->children);
+                list_initialize(&res->match_ids.ids);
+                list_initialize(&res->classes);
         }
-        
-        list_initialize(&res->children);
-        list_initialize(&res->match_ids.ids);
         
         return res;
@@ -364 +373 @@
         if (NULL != cl) {
                 memset(cl, 0, sizeof(dev_class_t));
+                list_initialize(&cl->devices);
                 fibril_mutex_initialize(&cl->mutex);
         }
@@ -394 +404 @@
 dev_class_info_t * add_device_to_class(node_t *dev, dev_class_t *cl, const char *base_dev_name);
 
+static inline void init_class_list(class_list_t *class_list)
+{
+        list_initialize(&class_list->classes);
+        fibril_mutex_initialize(&class_list->classes_mutex);
+}
+
+dev_class_t * get_dev_class(class_list_t *class_list, char *class_name);
+dev_class_t * find_dev_class_no_lock(class_list_t *class_list, const char *class_name);
+
+static inline void add_dev_class_no_lock(class_list_t *class_list, dev_class_t *cl)
+{
+        list_append(&cl->link, &class_list->classes);
+}
+
 #endif