Changeset 7969087 in mainline for uspace/srv/devman/client_conn.c

Timestamp:

2013-09-11T10:35:49Z (12 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

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

Children:

43dd8028

Parents:

e5556e4a

Message:

devctl load-drv to manually load a driver.

File:

• uspace/srv/devman/client_conn.c (modified) (4 diffs)

uspace/srv/devman/client_conn.c

@@ -450 +450 @@
 }
 
+/** Find driver by name. */
+static void devman_driver_get_handle(ipc_callid_t iid, ipc_call_t *icall)
+{
+        char *drvname;
+        
+        int rc = async_data_write_accept((void **) &drvname, true, 0, 0, 0, 0);
+        if (rc != EOK) {
+                async_answer_0(iid, rc);
+                return;
+        }
+        
+        driver_t *driver = driver_find_by_name(&drivers_list, drvname);
+        
+        free(drvname);
+        
+        if (driver == NULL) {
+                async_answer_0(iid, ENOENT);
+                return;
+        }
+        
+        async_answer_1(iid, EOK, driver->handle);
+}
+
 /** Get driver name. */
 static void devman_driver_get_name(ipc_callid_t iid, ipc_call_t *icall)
@@ -502 +525 @@
         
         async_answer_1(iid, EOK, (sysarg_t) drv->state);
+}
+
+/** Forcibly load a driver. */
+static void devman_driver_load(ipc_callid_t iid, ipc_call_t *icall)
+{
+        driver_t *drv;
+        int rc;
+        
+        drv = driver_find(&drivers_list, IPC_GET_ARG1(*icall));
+        if (drv == NULL) {
+                async_answer_0(iid, ENOENT);
+                return;
+        }
+        
+        fibril_mutex_lock(&drv->driver_mutex);
+        rc = start_driver(drv) ? EOK : EIO;
+        fibril_mutex_unlock(&drv->driver_mutex);
+
+        async_answer_0(iid, rc);
 }
 
@@ -548 +590 @@
                         devman_get_drivers(callid, &call);
                         break;
+                case DEVMAN_DRIVER_GET_HANDLE:
+                        devman_driver_get_handle(callid, &call);
+                        break;
                 case DEVMAN_DRIVER_GET_NAME:
                         devman_driver_get_name(callid, &call);
@@ -553 +598 @@
                 case DEVMAN_DRIVER_GET_STATE:
                         devman_driver_get_state(callid, &call);
+                        break;
+                case DEVMAN_DRIVER_LOAD:
+                        devman_driver_load(callid, &call);
                         break;
                 default: