Changeset 692c40cb in mainline for uspace/srv/devman/main.c

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/main.c (modified) (4 diffs)

uspace/srv/devman/main.c

@@ -60 +60 @@
 static driver_list_t drivers_list;
 static dev_tree_t device_tree;
+static class_list_t class_list;
 
 
@@ -240 +241 @@
         // try to find suitable driver and assign it to the device      
         assign_driver(node, &drivers_list);     
+}
+
+static void devman_add_device_to_class(ipc_callid_t callid, ipc_call_t *call)
+{               
+        device_handle_t handle = IPC_GET_ARG1(*call);
+        
+        // Get class name
+        char *class_name;
+        int rc = async_data_write_accept((void **)&class_name, true, 0, 0, 0, 0);
+        if (rc != EOK) {
+                ipc_answer_0(callid, rc);
+                return;
+        }       
+        
+        node_t *dev = find_dev_node(&device_tree, handle);
+        if (NULL == dev) {
+                ipc_answer_0(callid, ENOENT);
+                return;
+        }
+        
+        dev_class_t *cl = get_dev_class(&class_list, class_name);
+        
+        dev_class_info_t *class_info = add_device_to_class(dev, cl, NULL);
+        
+        // TODO register the device's class alias by devmapper
+        
+        printf(NAME ": device '%s' added to class '%s', class name '%s' was asigned to it\n", dev->pathname, class_name, class_info->dev_name);
+        
+        ipc_answer_0(callid, EOK);      
 }
 
@@ -294 +324 @@
                 case DEVMAN_ADD_CHILD_DEVICE:
                         devman_add_child(callid, &call);
+                        break;
+                case DEVMAN_ADD_DEVICE_TO_CLASS:
+                        devman_add_device_to_class(callid, &call);
                         break;
                 default:
@@ -444 +477 @@
         }
 
+        init_class_list(&class_list);
+        
         return true;
 }