Changeset 903bac0a in mainline for uspace/srv/devman/devman.c

Timestamp:

2011-08-19T09:00:38Z (13 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

e2ab36f1

Parents:

d894fbd (diff), 42a619b (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

Message:

Merge mainline changes.

File:

• uspace/srv/devman/devman.c (modified) (10 diffs)

uspace/srv/devman/devman.c

@@ -37 +37 @@
 #include <ipc/driver.h>
 #include <ipc/devman.h>
-#include <devmap.h>
+#include <loc.h>
 #include <str_error.h>
 #include <stdio.h>
@@ -66 +66 @@
 }
 
-static int devmap_functions_compare(unsigned long key[], hash_count_t keys,
+static int loc_functions_compare(unsigned long key[], hash_count_t keys,
     link_t *item)
 {
-        fun_node_t *fun = hash_table_get_instance(item, fun_node_t, devmap_fun);
-        return (fun->devmap_handle == (devmap_handle_t) key[0]);
-}
-
-static int devmap_devices_class_compare(unsigned long key[], hash_count_t keys,
-    link_t *item)
-{
-        dev_class_info_t *class_info
-            = hash_table_get_instance(item, dev_class_info_t, devmap_link);
-        assert(class_info != NULL);
-
-        return (class_info->devmap_handle == (devmap_handle_t) key[0]);
+        fun_node_t *fun = hash_table_get_instance(item, fun_node_t, loc_fun);
+        return (fun->service_id == (service_id_t) key[0]);
 }
 
@@ -99 +89 @@
 };
 
-static hash_table_operations_t devmap_devices_ops = {
+static hash_table_operations_t loc_devices_ops = {
         .hash = devices_hash,
-        .compare = devmap_functions_compare,
-        .remove_callback = devices_remove_callback
-};
-
-static hash_table_operations_t devmap_devices_class_ops = {
-        .hash = devices_hash,
-        .compare = devmap_devices_class_compare,
+        .compare = loc_functions_compare,
         .remove_callback = devices_remove_callback
 };
@@ -701 +685 @@
 }
 
-/** Create devmap path and name for the function. */
-void devmap_register_tree_function(fun_node_t *fun, dev_tree_t *tree)
-{
-        char *devmap_pathname = NULL;
-        char *devmap_name = NULL;
-        
-        asprintf(&devmap_name, "%s", fun->pathname);
-        if (devmap_name == NULL)
+/** Create loc path and name for the function. */
+void loc_register_tree_function(fun_node_t *fun, dev_tree_t *tree)
+{
+        char *loc_pathname = NULL;
+        char *loc_name = NULL;
+        
+        asprintf(&loc_name, "%s", fun->pathname);
+        if (loc_name == NULL)
                 return;
         
-        replace_char(devmap_name, '/', DEVMAP_SEPARATOR);
-        
-        asprintf(&devmap_pathname, "%s/%s", DEVMAP_DEVICE_NAMESPACE,
-            devmap_name);
-        if (devmap_pathname == NULL) {
-                free(devmap_name);
+        replace_char(loc_name, '/', LOC_SEPARATOR);
+        
+        asprintf(&loc_pathname, "%s/%s", LOC_DEVICE_NAMESPACE,
+            loc_name);
+        if (loc_pathname == NULL) {
+                free(loc_name);
                 return;
         }
         
-        devmap_device_register_with_iface(devmap_pathname,
-            &fun->devmap_handle, DEVMAN_CONNECT_FROM_DEVMAP);
-        
-        tree_add_devmap_function(tree, fun);
-        
-        free(devmap_name);
-        free(devmap_pathname);
+        loc_service_register_with_iface(loc_pathname,
+            &fun->service_id, DEVMAN_CONNECT_FROM_LOC);
+        
+        tree_add_loc_function(tree, fun);
+        
+        free(loc_name);
+        free(loc_pathname);
 }
 
@@ -856 +840 @@
         hash_table_create(&tree->devman_functions, DEVICE_BUCKETS, 1,
             &devman_functions_ops);
-        hash_table_create(&tree->devmap_functions, DEVICE_BUCKETS, 1,
-            &devmap_devices_ops);
+        hash_table_create(&tree->loc_functions, DEVICE_BUCKETS, 1,
+            &loc_devices_ops);
         
         fibril_rwlock_initialize(&tree->rwlock);
@@ -950 +934 @@
                 link_initialize(&res->dev_functions);
                 list_initialize(&res->match_ids.ids);
-                list_initialize(&res->classes);
                 link_initialize(&res->devman_fun);
-                link_initialize(&res->devmap_fun);
+                link_initialize(&res->loc_fun);
         }
         
@@ -1115 +1098 @@
         
         return true;
+}
+
+/** Remove function from device tree.
+ *
+ * @param tree          Device tree
+ * @param node          Function node to remove
+ */
+void remove_fun_node(dev_tree_t *tree, fun_node_t *fun)
+{
+        assert(tree != NULL);
+        assert(fun != NULL);
+        assert(fibril_rwlock_is_write_locked(&tree->rwlock));
+        
+        /* Remove the node from the handle-to-node map. */
+        unsigned long key = fun->handle;
+        hash_table_remove(&tree->devman_functions, &key, 1);
+        
+        /* Remove the node from the list of its parent's children. */
+        if (fun->dev != NULL)
+                list_remove(&fun->dev_functions);
 }
 
@@ -1193 +1196 @@
 }
 
-/** Find function node by its class name and index. */
-fun_node_t *find_fun_node_by_class(class_list_t *class_list,
-    const char *class_name, const char *dev_name)
-{
-        assert(class_list != NULL);
-        assert(class_name != NULL);
-        assert(dev_name != NULL);
-
-        fibril_rwlock_read_lock(&class_list->rwlock);
-
-        dev_class_t *cl = find_dev_class_no_lock(class_list, class_name);
-        if (cl == NULL) {
-                fibril_rwlock_read_unlock(&class_list->rwlock);
-                return NULL;
-        }
-
-        dev_class_info_t *dev = find_dev_in_class(cl, dev_name);
-        if (dev == NULL) {
-                fibril_rwlock_read_unlock(&class_list->rwlock);
-                return NULL;
-        }
-
-        fun_node_t *fun = dev->fun;
-
-        fibril_rwlock_read_unlock(&class_list->rwlock);
-
-        return fun;
-}
-
-
 /** Find child function node with a specified name.
  *
@@ -1236 +1209 @@
 }
 
-/* Device classes */
-
-/** Create device class.
- *
- * @return      Device class.
- */
-dev_class_t *create_dev_class(void)
-{
-        dev_class_t *cl;
-        
-        cl = (dev_class_t *) malloc(sizeof(dev_class_t));
-        if (cl != NULL) {
-                memset(cl, 0, sizeof(dev_class_t));
-                list_initialize(&cl->devices);
-                fibril_mutex_initialize(&cl->mutex);
-        }
-        
-        return cl;
-}
-
-/** Create device class info.
- *
- * @return              Device class info.
- */
-dev_class_info_t *create_dev_class_info(void)
-{
-        dev_class_info_t *info;
-        
-        info = (dev_class_info_t *) malloc(sizeof(dev_class_info_t));
-        if (info != NULL) {
-                memset(info, 0, sizeof(dev_class_info_t));
-                link_initialize(&info->dev_classes);
-                link_initialize(&info->devmap_link);
-                link_initialize(&info->link);
-        }
-        
-        return info;
-}
-
-size_t get_new_class_dev_idx(dev_class_t *cl)
-{
-        size_t dev_idx;
-        
-        fibril_mutex_lock(&cl->mutex);
-        dev_idx = ++cl->curr_dev_idx;
-        fibril_mutex_unlock(&cl->mutex);
-        
-        return dev_idx;
-}
-
-
-/** Create unique device name within the class.
- *
- * @param cl            The class.
- * @param base_dev_name Contains the base name for the device if it was
- *                      specified by the driver when it registered the device by
- *                      the class; NULL if driver specified no base name.
- * @return              The unique name for the device within the class.
- */
-char *create_dev_name_for_class(dev_class_t *cl, const char *base_dev_name)
-{
-        char *dev_name;
-        const char *base_name;
-        
-        if (base_dev_name != NULL)
-                base_name = base_dev_name;
-        else
-                base_name = cl->base_dev_name;
-        
-        size_t idx = get_new_class_dev_idx(cl);
-        asprintf(&dev_name, "%s%zu", base_name, idx);
-        
-        return dev_name;
-}
-
-/** Add the device function to the class.
- *
- * The device may be added to multiple classes and a class may contain multiple
- * devices. The class and the device are associated with each other by the
- * dev_class_info_t structure.
- *
- * @param dev           The device.
- * @param class         The class.
- * @param base_dev_name The base name of the device within the class if
- *                      specified by the driver, NULL otherwise.
- * @return              dev_class_info_t structure which associates the device
- *                      with the class.
- */
-dev_class_info_t *add_function_to_class(fun_node_t *fun, dev_class_t *cl,
-    const char *base_dev_name)
-{
-        dev_class_info_t *info;
-
-        assert(fun != NULL);
-        assert(cl != NULL);
-
-        info = create_dev_class_info();
-
-        
-        if (info != NULL) {
-                info->dev_class = cl;
-                info->fun = fun;
-                
-                /* Add the device to the class. */
-                fibril_mutex_lock(&cl->mutex);
-                list_append(&info->link, &cl->devices);
-                fibril_mutex_unlock(&cl->mutex);
-                
-                /* Add the class to the device. */
-                list_append(&info->dev_classes, &fun->classes);
-                
-                /* Create unique name for the device within the class. */
-                info->dev_name = create_dev_name_for_class(cl, base_dev_name);
-        }
-        
-        return info;
-}
-
-dev_class_t *get_dev_class(class_list_t *class_list, char *class_name)
-{
-        dev_class_t *cl;
-        
-        fibril_rwlock_write_lock(&class_list->rwlock);
-        cl = find_dev_class_no_lock(class_list, class_name);
-        if (cl == NULL) {
-                cl = create_dev_class();
-                if (cl != NULL) {
-                        cl->name = class_name;
-                        cl->base_dev_name = "";
-                        add_dev_class_no_lock(class_list, cl);
-                }
-        }
-
-        fibril_rwlock_write_unlock(&class_list->rwlock);
-        return cl;
-}
-
-dev_class_t *find_dev_class_no_lock(class_list_t *class_list,
-    const char *class_name)
-{
-        dev_class_t *cl;
-        
-        list_foreach(class_list->classes, link) {
-                cl = list_get_instance(link, dev_class_t, link);
-                if (str_cmp(cl->name, class_name) == 0) {
-                        return cl;
-                }
-        }
-        
-        return NULL;
-}
-
-void add_dev_class_no_lock(class_list_t *class_list, dev_class_t *cl)
-{
-        list_append(&cl->link, &class_list->classes);
-}
-
-dev_class_info_t *find_dev_in_class(dev_class_t *dev_class, const char *dev_name)
-{
-        assert(dev_class != NULL);
-        assert(dev_name != NULL);
-
-        list_foreach(dev_class->devices, link) {
-                dev_class_info_t *dev = list_get_instance(link,
-                    dev_class_info_t, link);
-
-                if (str_cmp(dev->dev_name, dev_name) == 0) {
-                        return dev;
-                }
-        }
-
-        return NULL;
-}
-
-void init_class_list(class_list_t *class_list)
-{
-        list_initialize(&class_list->classes);
-        fibril_rwlock_initialize(&class_list->rwlock);
-        hash_table_create(&class_list->devmap_functions, DEVICE_BUCKETS, 1,
-            &devmap_devices_class_ops);
-}
-
-
-/* Devmap devices */
-
-fun_node_t *find_devmap_tree_function(dev_tree_t *tree, devmap_handle_t devmap_handle)
+/* loc devices */
+
+fun_node_t *find_loc_tree_function(dev_tree_t *tree, service_id_t service_id)
 {
         fun_node_t *fun = NULL;
         link_t *link;
-        unsigned long key = (unsigned long) devmap_handle;
+        unsigned long key = (unsigned long) service_id;
         
         fibril_rwlock_read_lock(&tree->rwlock);
-        link = hash_table_find(&tree->devmap_functions, &key);
+        link = hash_table_find(&tree->loc_functions, &key);
         if (link != NULL)
-                fun = hash_table_get_instance(link, fun_node_t, devmap_fun);
+                fun = hash_table_get_instance(link, fun_node_t, loc_fun);
         fibril_rwlock_read_unlock(&tree->rwlock);
         
@@ -1436 +1226 @@
 }
 
-fun_node_t *find_devmap_class_function(class_list_t *classes,
-    devmap_handle_t devmap_handle)
-{
-        fun_node_t *fun = NULL;
-        dev_class_info_t *cli;
-        link_t *link;
-        unsigned long key = (unsigned long)devmap_handle;
-        
-        fibril_rwlock_read_lock(&classes->rwlock);
-        link = hash_table_find(&classes->devmap_functions, &key);
-        if (link != NULL) {
-                cli = hash_table_get_instance(link, dev_class_info_t,
-                    devmap_link);
-                fun = cli->fun;
-        }
-        fibril_rwlock_read_unlock(&classes->rwlock);
-        
-        return fun;
-}
-
-void class_add_devmap_function(class_list_t *class_list, dev_class_info_t *cli)
-{
-        unsigned long key = (unsigned long) cli->devmap_handle;
-        
-        fibril_rwlock_write_lock(&class_list->rwlock);
-        hash_table_insert(&class_list->devmap_functions, &key, &cli->devmap_link);
-        fibril_rwlock_write_unlock(&class_list->rwlock);
-
-        assert(find_devmap_class_function(class_list, cli->devmap_handle) != NULL);
-}
-
-void tree_add_devmap_function(dev_tree_t *tree, fun_node_t *fun)
-{
-        unsigned long key = (unsigned long) fun->devmap_handle;
+void tree_add_loc_function(dev_tree_t *tree, fun_node_t *fun)
+{
+        unsigned long key = (unsigned long) fun->service_id;
         fibril_rwlock_write_lock(&tree->rwlock);
-        hash_table_insert(&tree->devmap_functions, &key, &fun->devmap_fun);
+        hash_table_insert(&tree->loc_functions, &key, &fun->loc_fun);
         fibril_rwlock_write_unlock(&tree->rwlock);
 }