Changeset 6cb58e6 in mainline for uspace/drv/vhc/hub/hub.h

Timestamp:

2011-04-28T07:36:48Z (13 years ago)

Author:

Vojtech Horky <vojtechhorky@…>

Branches:

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

Children:

6fd7062

Parents:

48d1c228

Message:

Virtual USB layer rewritten

Major changes include

• IPC sends whole transfers (not transactions)
• separate transfer queues for each device in host controller
• possibility to return NAK from virtual device (handled by HC)
• better implementation of callbacks for non-zero endpoints

Still missing

• communication for some transfer types (bulk)
• face-lift
• documentation

File:

• uspace/drv/vhc/hub/hub.h (modified) (3 diffs)

uspace/drv/vhc/hub/hub.h

@@ -72 +72 @@
 } hub_status_change_t;
 
+typedef struct hub hub_t;
+
 /** Hub port information. */
 typedef struct {
@@ -82 +84 @@
         /** Status change bitmap. */
         uint16_t status_change;
+        /** Containing hub. */
+        hub_t *hub;
 } hub_port_t;
 
 /** Hub device type. */
-typedef struct {
+struct hub {
         /** Hub ports. */
         hub_port_t ports[HUB_PORT_COUNT];
@@ -92 +96 @@
         /** Access guard to the whole hub. */
         fibril_mutex_t guard;
-} hub_t;
+        /** Last value of status change bitmap. */
+        bool signal_changes;
+};
 
 void hub_init(hub_t *);