Changeset a39cfb8 in mainline for uspace/drv/ohci/endpoint_list.c

Timestamp:

2011-04-14T07:54:33Z (13 years ago)

Author:

Matus Dekanek <smekideki@…>

Branches:

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

Children:

e05d6c3

Parents:

3f3afb9 (diff), 34e8bab (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

Message:

merge from development

File:

• uspace/drv/ohci/endpoint_list.c (moved) (moved from uspace/drv/ohci/transfer_list.c ) (9 diffs)

uspace/drv/ohci/endpoint_list.c

@@ -35 +35 @@
 #include <usb/debug.h>
 
-#include "transfer_list.h"
-
-static void transfer_list_remove_batch(
-    transfer_list_t *instance, usb_transfer_batch_t *batch);
-/*----------------------------------------------------------------------------*/
+#include "endpoint_list.h"
+
 /** Initialize transfer list structures.
  *
@@ -48 +45 @@
  * Allocates memory for internal qh_t structure.
  */
-int transfer_list_init(transfer_list_t *instance, const char *name)
+int endpoint_list_init(endpoint_list_t *instance, const char *name)
 {
         assert(instance);
@@ -62 +59 @@
 
         ed_init(instance->list_head, NULL);
-        list_initialize(&instance->batch_list);
+        list_initialize(&instance->endpoint_list);
         fibril_mutex_initialize(&instance->guard);
         return EOK;
@@ -75 +72 @@
  * Does not check whether this replaces an existing list .
  */
-void transfer_list_set_next(transfer_list_t *instance, transfer_list_t *next)
+void endpoint_list_set_next(endpoint_list_t *instance, endpoint_list_t *next)
 {
         assert(instance);
@@ -82 +79 @@
 }
 /*----------------------------------------------------------------------------*/
-/** Submit transfer batch to the list and queue.
- *
- * @param[in] instance List to use.
- * @param[in] batch Transfer batch to submit.
- * @return Error code
- *
- * The batch is added to the end of the list and queue.
- */
-void transfer_list_add_batch(
-    transfer_list_t *instance, usb_transfer_batch_t *batch)
-{
-        assert(instance);
-        assert(batch);
-        usb_log_debug2("Queue %s: Adding batch(%p).\n", instance->name, batch);
+/** Submit transfer endpoint to the list and queue.
+ *
+ * @param[in] instance List to use.
+ * @param[in] endpoint Transfer endpoint to submit.
+ * @return Error code
+ *
+ * The endpoint is added to the end of the list and queue.
+ */
+void endpoint_list_add_ep(endpoint_list_t *instance, hcd_endpoint_t *hcd_ep)
+{
+        assert(instance);
+        assert(hcd_ep);
+        usb_log_debug2("Queue %s: Adding endpoint(%p).\n",
+            instance->name, hcd_ep);
 
         fibril_mutex_lock(&instance->guard);
@@ -101 +98 @@
         ed_t *last_ed = NULL;
         /* Add to the hardware queue. */
-        if (list_empty(&instance->batch_list)) {
+        if (list_empty(&instance->endpoint_list)) {
                 /* There is nothing scheduled */
                 last_ed = instance->list_head;
         } else {
                 /* There is something scheduled */
-                usb_transfer_batch_t *last = list_get_instance(
-                    instance->batch_list.prev, usb_transfer_batch_t, link);
-                last_ed = batch_ed(last);
+                hcd_endpoint_t *last = list_get_instance(
+                    instance->endpoint_list.prev, hcd_endpoint_t, link);
+                last_ed = last->ed;
         }
         /* keep link */
-        batch_ed(batch)->next = last_ed->next;
-        ed_append_ed(last_ed, batch_ed(batch));
+        hcd_ep->ed->next = last_ed->next;
+        ed_append_ed(last_ed, hcd_ep->ed);
 
         asm volatile ("": : :"memory");
 
         /* Add to the driver list */
-        list_append(&batch->link, &instance->batch_list);
-
-        usb_transfer_batch_t *first = list_get_instance(
-            instance->batch_list.next, usb_transfer_batch_t, link);
-        usb_log_debug("Batch(%p) added to list %s, first is %p(%p).\n",
-                batch, instance->name, first, batch_ed(first));
+        list_append(&hcd_ep->link, &instance->endpoint_list);
+
+        hcd_endpoint_t *first = list_get_instance(
+            instance->endpoint_list.next, hcd_endpoint_t, link);
+        usb_log_debug("HCD EP(%p) added to list %s, first is %p(%p).\n",
+                hcd_ep, instance->name, first, first->ed);
         if (last_ed == instance->list_head) {
                 usb_log_debug2("%s head ED(%p-%p): %x:%x:%x:%x.\n",
@@ -132 +129 @@
 }
 /*----------------------------------------------------------------------------*/
-/** Create list for finished batches.
+#if 0
+/** Create list for finished endpoints.
  *
  * @param[in] instance List to use.
  * @param[in] done list to fill
  */
-void transfer_list_remove_finished(transfer_list_t *instance, link_t *done)
+void endpoint_list_remove_finished(endpoint_list_t *instance, link_t *done)
 {
         assert(instance);
@@ -143 +141 @@
 
         fibril_mutex_lock(&instance->guard);
-        usb_log_debug2("Checking list %s for completed batches(%d).\n",
-            instance->name, list_count(&instance->batch_list));
-        link_t *current = instance->batch_list.next;
-        while (current != &instance->batch_list) {
+        usb_log_debug2("Checking list %s for completed endpointes(%d).\n",
+            instance->name, list_count(&instance->endpoint_list));
+        link_t *current = instance->endpoint_list.next;
+        while (current != &instance->endpoint_list) {
                 link_t *next = current->next;
-                usb_transfer_batch_t *batch =
-                    list_get_instance(current, usb_transfer_batch_t, link);
-
-                if (batch_is_complete(batch)) {
+                hcd_endpoint_t *endpoint =
+                    list_get_instance(current, hcd_endpoint_t, link);
+
+                if (endpoint_is_complete(endpoint)) {
                         /* Save for post-processing */
-                        transfer_list_remove_batch(instance, batch);
+                        endpoint_list_remove_endpoint(instance, endpoint);
                         list_append(current, done);
                 }
@@ -161 +159 @@
 }
 /*----------------------------------------------------------------------------*/
-/** Walk the list and abort all batches.
- *
- * @param[in] instance List to use.
- */
-void transfer_list_abort_all(transfer_list_t *instance)
-{
-        fibril_mutex_lock(&instance->guard);
-        while (!list_empty(&instance->batch_list)) {
-                link_t *current = instance->batch_list.next;
-                usb_transfer_batch_t *batch =
-                    list_get_instance(current, usb_transfer_batch_t, link);
-                transfer_list_remove_batch(instance, batch);
-                usb_transfer_batch_finish_error(batch, EIO);
-        }
-        fibril_mutex_unlock(&instance->guard);
-}
-/*----------------------------------------------------------------------------*/
-/** Remove a transfer batch from the list and queue.
- *
- * @param[in] instance List to use.
- * @param[in] batch Transfer batch to remove.
+/** Walk the list and abort all endpointes.
+ *
+ * @param[in] instance List to use.
+ */
+void endpoint_list_abort_all(endpoint_list_t *instance)
+{
+        fibril_mutex_lock(&instance->guard);
+        while (!list_empty(&instance->endpoint_list)) {
+                link_t *current = instance->endpoint_list.next;
+                hcd_endpoint_t *endpoint =
+                    list_get_instance(current, hcd_endpoint_t, link);
+                endpoint_list_remove_endpoint(instance, endpoint);
+                hcd_endpoint_finish_error(endpoint, EIO);
+        }
+        fibril_mutex_unlock(&instance->guard);
+}
+#endif
+/*----------------------------------------------------------------------------*/
+/** Remove a transfer endpoint from the list and queue.
+ *
+ * @param[in] instance List to use.
+ * @param[in] endpoint Transfer endpoint to remove.
  * @return Error code
  *
  * Does not lock the transfer list, caller is responsible for that.
  */
-void transfer_list_remove_batch(
-    transfer_list_t *instance, usb_transfer_batch_t *batch)
+void endpoint_list_remove_ep(endpoint_list_t *instance, hcd_endpoint_t *hcd_ep)
 {
         assert(instance);
         assert(instance->list_head);
-        assert(batch);
-        assert(batch_ed(batch));
-        assert(fibril_mutex_is_locked(&instance->guard));
+        assert(hcd_ep);
+        assert(hcd_ep->ed);
+
+        fibril_mutex_lock(&instance->guard);
 
         usb_log_debug2(
-            "Queue %s: removing batch(%p).\n", instance->name, batch);
+            "Queue %s: removing endpoint(%p).\n", instance->name, hcd_ep);
 
         const char *qpos = NULL;
+        ed_t *prev_ed;
         /* Remove from the hardware queue */
-        if (instance->batch_list.next == &batch->link) {
+        if (instance->endpoint_list.next == &hcd_ep->link) {
                 /* I'm the first one here */
-                assert((instance->list_head->next & ED_NEXT_PTR_MASK)
-                    == addr_to_phys(batch_ed(batch)));
-                instance->list_head->next = batch_ed(batch)->next;
+                prev_ed = instance->list_head;
                 qpos = "FIRST";
         } else {
-                usb_transfer_batch_t *prev =
-                    list_get_instance(
-                        batch->link.prev, usb_transfer_batch_t, link);
-                assert((batch_ed(prev)->next & ED_NEXT_PTR_MASK)
-                    == addr_to_phys(batch_ed(batch)));
-                batch_ed(prev)->next = batch_ed(batch)->next;
+                hcd_endpoint_t *prev =
+                    list_get_instance(hcd_ep->link.prev, hcd_endpoint_t, link);
+                prev_ed = prev->ed;
                 qpos = "NOT FIRST";
         }
+        assert((prev_ed->next & ED_NEXT_PTR_MASK) == addr_to_phys(hcd_ep->ed));
+        prev_ed->next = hcd_ep->ed->next;
+
         asm volatile ("": : :"memory");
-        usb_log_debug("Batch(%p) removed (%s) from %s, next %x.\n",
-            batch, qpos, instance->name, batch_ed(batch)->next);
-
-        /* Remove from the batch list */
-        list_remove(&batch->link);
+        usb_log_debug("HCD EP(%p) removed (%s) from %s, next %x.\n",
+            hcd_ep, qpos, instance->name, hcd_ep->ed->next);
+
+        /* Remove from the endpoint list */
+        list_remove(&hcd_ep->link);
+        fibril_mutex_unlock(&instance->guard);
 }
 /**