Changeset df747b9c in mainline for uspace/srv/devman/devman.h

Timestamp:

2010-04-23T11:30:25Z (14 years ago)

Author:

Lenka Trochtova <trochtova.lenka@…>

Branches:

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

Children:

5af21c5

Parents:

a78fa2a

Message:

added device states (usable, invalid, not present, not initialized); add_device driver callback method returns integer (errno) instead of bool

File:

• uspace/srv/devman/devman.h (modified) (2 diffs)

uspace/srv/devman/devman.h

@@ -93 +93 @@
 } driver_list_t;
 
+/** The state of the device. */
+typedef enum {
+        DEVICE_NOT_INITIALIZED = 0,
+        DEVICE_USABLE,
+        DEVICE_NOT_PRESENT,
+        DEVICE_INVALID
+} device_state_t;
+
 /** Representation of a node in the device tree.*/
 struct node {
@@ -113 +121 @@
         /** Driver of this device.*/
         driver_t *drv;
+        /** The state of the device. */
+        device_state_t state;
         /** Pointer to the previous and next device in the list of devices
             owned by one driver */