Changeset 8b1e15ac in mainline for uspace/lib/c/generic/devman.c

Timestamp:

2011-02-11T22:26:36Z (13 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

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

Children:

68414f4a

Parents:

1b367b4

Message:

Finish splitting device node: devman client in C library, drv library. Update device drivers accordingly.

File:

• uspace/lib/c/generic/devman.c (modified) (3 diffs)

uspace/lib/c/generic/devman.c

@@ -158 +158 @@
 }
 
-int devman_child_device_register(const char *name, match_id_list_t *match_ids,
-    devman_handle_t parent_handle, devman_handle_t *handle)
+/** Add function to a device.
+ *
+ * Request devman to add a new function to the specified device owned by
+ * this driver task.
+ *
+ * @param name          Name of the new function
+ * @param ftype         Function type, fun_inner or fun_exposed
+ * @param match_ids     Match IDs (should be empty for fun_exposed)
+ * @param devh          Devman handle of the device
+ * @param funh          Place to store handle of the new function
+ *
+ * @return              EOK on success or negative error code.
+ */
+int devman_add_function(const char *name, fun_type_t ftype,
+    match_id_list_t *match_ids, devman_handle_t devh, devman_handle_t *funh)
 {
         int phone = devman_get_phone(DEVMAN_DRIVER, IPC_FLAG_BLOCKING);
+        int fun_handle;
         
         if (phone < 0)
@@ -168 +182 @@
         async_serialize_start();
         
-        int match_count = list_count(&match_ids->ids);  
-        ipc_call_t answer;
-        aid_t req = async_send_2(phone, DEVMAN_ADD_CHILD_DEVICE, parent_handle, match_count,
-            &answer);
+        int match_count = list_count(&match_ids->ids);
+        ipc_call_t answer;
+
+        aid_t req = async_send_3(phone, DEVMAN_ADD_FUNCTION, (sysarg_t) ftype,
+            devh, match_count, &answer);
 
         sysarg_t retval = async_data_write_start(phone, name, str_size(name));
@@ -186 +201 @@
         async_serialize_end();
         
-        if (retval != EOK) {
-                if (handle != NULL)
-                        *handle = -1;
-
-                return retval;
-        }
-        
-        if (handle != NULL)
-                *handle = (int) IPC_GET_ARG1(answer);
-                
+        if (retval == EOK)
+                fun_handle = (int) IPC_GET_ARG1(answer);
+        else
+                fun_handle = -1;
+        
+        *funh = fun_handle;
+
         return retval;
 }