Changeset 881c47b in mainline for uspace/drv/uhci-hcd/transfer_list.c

Timestamp:

2011-02-04T14:45:42Z (13 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

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

Children:

dcef3669

Parents:

97e87de

Message:

New UHCI packet scheduler

queues are named for nicer debug output
slow_speed is set by iface functions

File:

• uspace/drv/uhci-hcd/transfer_list.c (modified) (3 diffs)

uspace/drv/uhci-hcd/transfer_list.c

@@ -38 +38 @@
 #include "transfer_list.h"
 
-int transfer_list_init(transfer_list_t *instance, transfer_list_t *next)
+int transfer_list_init(transfer_list_t *instance, const char *name)
 {
         assert(instance);
         instance->first = NULL;
         instance->last = NULL;
+        instance->next = NULL;
+        instance->name = name;
         instance->queue_head = queue_head_get();
         if (!instance->queue_head) {
@@ -50 +52 @@
         instance->queue_head_pa = (uintptr_t)addr_to_phys(instance->queue_head);
 
-        uint32_t next_pa = next ? next->queue_head_pa : 0;
-        queue_head_init(instance->queue_head, next_pa);
+        queue_head_init(instance->queue_head);
         return EOK;
+}
+/*----------------------------------------------------------------------------*/
+void transfer_list_set_next(transfer_list_t *instance, transfer_list_t *next)
+{
+        assert(instance);
+        assert(next);
+        instance->next = next;
+        if (!instance->queue_head)
+                return;
+        queue_head_add_next(instance->queue_head, next->queue_head_pa);
 }
 /*----------------------------------------------------------------------------*/
@@ -81 +92 @@
                 instance->queue_head->element = (pa & LINK_POINTER_ADDRESS_MASK);
         }
-        usb_log_debug("Successfully added transfer to the hc queue %p.\n",
-          instance);
+        usb_log_debug("Successfully added transfer to the hc queue %S.\n",
+          instance->name);
         return EOK;
 }