Changeset 80a96d2 in mainline for uspace/lib/drv/generic/driver.c

Timestamp:

2011-09-05T21:26:47Z (13 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

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

Children:

b33870b

Parents:

16cc9a6

Message:

DDF support for surprise removal.

File:

• uspace/lib/drv/generic/driver.c (modified) (2 diffs)

uspace/lib/drv/generic/driver.c

@@ -333 +333 @@
 }
 
+static void driver_dev_gone(ipc_callid_t iid, ipc_call_t *icall)
+{
+        devman_handle_t devh;
+        ddf_dev_t *dev;
+        int rc;
+        
+        devh = IPC_GET_ARG1(*icall);
+        
+        fibril_mutex_lock(&devices_mutex);
+        dev = driver_get_device(devh);
+        if (dev != NULL)
+                dev_add_ref(dev);
+        fibril_mutex_unlock(&devices_mutex);
+        
+        if (dev == NULL) {
+                async_answer_0(iid, ENOENT);
+                return;
+        }
+        
+        if (driver->driver_ops->dev_gone != NULL)
+                rc = driver->driver_ops->dev_gone(dev);
+        else
+                rc = ENOTSUP;
+        
+        if (rc == EOK)
+                dev_del_ref(dev);
+        
+        async_answer_0(iid, (sysarg_t) rc);
+}
+
 static void driver_fun_online(ipc_callid_t iid, ipc_call_t *icall)
 {
@@ -423 +453 @@
                 case DRIVER_DEV_REMOVE:
                         driver_dev_remove(callid, &call);
+                        break;
+                case DRIVER_DEV_GONE:
+                        driver_dev_gone(callid, &call);
                         break;
                 case DRIVER_FUN_ONLINE: