Changeset a60e90b in mainline for uspace/srv/devman/driver.c

Timestamp:

2013-09-10T20:15:58Z (12 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

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

Children:

08bc23d

Parents:

59dc181

Message:

Move rest of functionality from devman.c to other modules.

File:

• uspace/srv/devman/driver.c (modified) (2 diffs)

uspace/srv/devman/driver.c

@@ -44 +44 @@
 #include "devman.h"
 #include "driver.h"
+#include "match.h"
 
 /**
@@ -511 +512 @@
 }
 
+/** Pass a device to running driver.
+ *
+ * @param drv           The driver's structure.
+ * @param node          The device's node in the device tree.
+ */
+void add_device(driver_t *drv, dev_node_t *dev, dev_tree_t *tree)
+{
+        /*
+         * We do not expect to have driver's mutex locked as we do not
+         * access any structures that would affect driver_t.
+         */
+        log_msg(LOG_DEFAULT, LVL_DEBUG, "add_device(drv=\"%s\", dev=\"%s\")",
+            drv->name, dev->pfun->name);
+        
+        /* Send the device to the driver. */
+        devman_handle_t parent_handle;
+        if (dev->pfun) {
+                parent_handle = dev->pfun->handle;
+        } else {
+                parent_handle = 0;
+        }
+        
+        async_exch_t *exch = async_exchange_begin(drv->sess);
+        
+        ipc_call_t answer;
+        aid_t req = async_send_2(exch, DRIVER_DEV_ADD, dev->handle,
+            parent_handle, &answer);
+        
+        /* Send the device name to the driver. */
+        sysarg_t rc = async_data_write_start(exch, dev->pfun->name,
+            str_size(dev->pfun->name) + 1);
+        
+        async_exchange_end(exch);
+        
+        if (rc != EOK) {
+                /* TODO handle error */
+        }
+
+        /* Wait for answer from the driver. */
+        async_wait_for(req, &rc);
+
+        switch(rc) {
+        case EOK:
+                dev->state = DEVICE_USABLE;
+                break;
+        case ENOENT:
+                dev->state = DEVICE_NOT_PRESENT;
+                break;
+        default:
+                dev->state = DEVICE_INVALID;
+                break;
+        }
+        
+        dev->passed_to_driver = true;
+
+        return;
+}
+
 int driver_dev_remove(dev_tree_t *tree, dev_node_t *dev)
 {