Changes in uspace/srv/devman/devman.h [7beb220:15f3c3f] in mainline

File:

• uspace/srv/devman/devman.h (modified) (9 diffs)

uspace/srv/devman/devman.h

@@ -1 +1 @@
 /*
  * Copyright (c) 2010 Lenka Trochtova
- * Copyright (c) 2011 Jiri Svoboda
  * All rights reserved.
  *
@@ -54 +53 @@
 #define DEVICE_BUCKETS 256
 
+#define LOC_CLASS_NAMESPACE "class"
 #define LOC_DEVICE_NAMESPACE "devices"
 #define LOC_SEPARATOR '\\'
@@ -155 +155 @@
         /** Name of the function, assigned by the device driver */
         char *name;
-        /** Function type */
-        fun_type_t ftype;
         
         /** Full path and name of the device in device hierarchy */
@@ -172 +170 @@
         match_id_list_t match_ids;
         
+        /** List of device classes to which this device function belongs. */
+        list_t classes;
         /** Service ID if the device function is registered with loc. */
         service_id_t service_id;
@@ -213 +213 @@
         hash_table_t loc_functions;
 } dev_tree_t;
+
+typedef struct dev_class {
+        /** The name of the class. */
+        const char *name;
+        
+        /**
+         * Pointer to the previous and next class in the list of registered
+         * classes.
+         */
+        link_t link;
+        
+        /**
+         * List of dev_class_info structures - one for each device registered by
+         * this class.
+         */
+        list_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 of the newly added device. */
+        size_t curr_dev_idx;
+        /** Synchronize access to the list of devices in this class. */
+        fibril_mutex_t mutex;
+} dev_class_t;
+
+/**
+ * Provides n-to-m mapping between function nodes and classes - each function
+ * can register in an arbitrary number of classes and each class can contain
+ * an arbitrary number of device functions.
+ */
+typedef struct dev_class_info {
+        /** The class. */
+        dev_class_t *dev_class;
+        /** The device. */
+        fun_node_t *fun;
+        
+        /**
+         * Pointer to the previous and next class info in the list of devices
+         * registered by the class.
+         */
+        link_t link;
+        
+        /**
+         * Pointer to the previous and next class info in the list of classes
+         * by which the device is registered.
+         */
+        link_t dev_classes;
+        
+        /** The name of the device function within the class. */
+        char *dev_name;
+        /** Service ID in the class namespace. */
+        service_id_t service_id;
+        
+        /**
+         * Link to hash table of services registered with location service using
+         * their class names.
+         */
+        link_t loc_link;
+} dev_class_info_t;
+
+/** The list of device classes. */
+typedef struct class_list {
+        /** List of classes. */
+        list_t classes;
+        
+        /**
+         * Hash table of services registered with location service using their
+         * class name, indexed by service IDs.
+         */
+        hash_table_t loc_functions;
+        
+        /** Fibril mutex for list of classes. */
+        fibril_rwlock_t rwlock;
+} class_list_t;
 
 /* Match ids and scores */
@@ -253 +331 @@
 extern dev_node_t *find_dev_node(dev_tree_t *tree, devman_handle_t handle);
 extern dev_node_t *find_dev_function(dev_node_t *, const char *);
-extern int dev_get_functions(dev_tree_t *tree, dev_node_t *, devman_handle_t *,
-    size_t, size_t *);
 
 extern fun_node_t *create_fun_node(void);
@@ -263 +339 @@
 extern fun_node_t *find_fun_node_by_path(dev_tree_t *, char *);
 extern fun_node_t *find_fun_node_in_device(dev_node_t *, const char *);
+extern fun_node_t *find_fun_node_by_class(class_list_t *, const char *, const char *);
 
 /* Device tree */
@@ -270 +347 @@
 extern bool insert_dev_node(dev_tree_t *, dev_node_t *, fun_node_t *);
 extern bool insert_fun_node(dev_tree_t *, fun_node_t *, char *, dev_node_t *);
-extern void remove_fun_node(dev_tree_t *, fun_node_t *);
+
+/* Device classes */
+
+extern dev_class_t *create_dev_class(void);
+extern dev_class_info_t *create_dev_class_info(void);
+extern size_t get_new_class_dev_idx(dev_class_t *);
+extern char *create_dev_name_for_class(dev_class_t *, const char *);
+extern dev_class_info_t *add_function_to_class(fun_node_t *, dev_class_t *,
+    const char *);
+
+extern void init_class_list(class_list_t *);
+
+extern dev_class_t *get_dev_class(class_list_t *, char *);
+extern dev_class_t *find_dev_class_no_lock(class_list_t *, const char *);
+extern dev_class_info_t *find_dev_in_class(dev_class_t *, const char *);
+extern void add_dev_class_no_lock(class_list_t *, dev_class_t *);
 
 /* Loc services */
@@ -277 +369 @@
 
 extern fun_node_t *find_loc_tree_function(dev_tree_t *, service_id_t);
-
+extern fun_node_t *find_loc_class_function(class_list_t *, service_id_t);
+
+extern void class_add_loc_function(class_list_t *, dev_class_info_t *);
 extern void tree_add_loc_function(dev_tree_t *, fun_node_t *);