Changeset 45c01a1 in mainline for uspace/drv/uhci-hcd/batch.h

Timestamp:

2011-02-12T22:20:22Z (13 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

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

Children:

54d9058, bfe0eb5, d15809b4

Parents:

8f5b6561 (diff), 600733e (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:

hcd reworked, communication is sent in packet batches, improves performance and atomicity

File:

• uspace/drv/uhci-hcd/batch.h (moved) (moved from uspace/drv/uhci-hcd/tracker.h ) (4 diffs)

uspace/drv/uhci-hcd/batch.h

@@ -32 +32 @@
  * @brief UHCI driver
  */
-#ifndef DRV_UHCI_TRACKER_H
-#define DRV_UHCI_TRACKER_H
+#ifndef DRV_UHCI_BATCH_H
+#define DRV_UHCI_BATCH_H
 
 #include <adt/list.h>
@@ -41 +41 @@
 
 #include "uhci_struct/transfer_descriptor.h"
+#include "uhci_struct/queue_head.h"
 
 typedef enum {
@@ -47 +48 @@
 } dev_speed_t;
 
-struct transfer_list;
-
-typedef struct tracker
+typedef struct batch
 {
         link_t link;
+        dev_speed_t speed;
         usb_target_t target;
         usb_transfer_type_t transfer_type;
@@ -59 +59 @@
         };
         void *arg;
+        char *transport_buffer;
+        char *setup_buffer;
+        size_t setup_size;
         char *buffer;
-        char *packet;
         size_t buffer_size;
         size_t max_packet_size;
-        size_t packet_size;
-        size_t buffer_offset;
-        dev_speed_t speed;
+        size_t packets;
+        size_t transfered_size;
+        int error;
         device_t *dev;
-        transfer_descriptor_t *td;
-        void (*next_step)(struct tracker*);
-        unsigned toggle:1;
+        queue_head_t *qh;
+        transfer_descriptor_t *tds;
+        void (*next_step)(struct batch*);
+} batch_t;
 
-        struct transfer_list *scheduled_list;
-} tracker_t;
-
-
-tracker_t * tracker_get(device_t *dev, usb_target_t target,
+batch_t * batch_get(device_t *dev, usb_target_t target,
     usb_transfer_type_t transfer_type, size_t max_packet_size,
     dev_speed_t speed, char *buffer, size_t size,
+                char *setup_buffer, size_t setup_size,
     usbhc_iface_transfer_in_callback_t func_in,
     usbhc_iface_transfer_out_callback_t func_out, void *arg);
 
-void tracker_control_write(
-    tracker_t *instance, char* setup_buffer, size_t setup_size);
+bool batch_is_complete(batch_t *instance);
 
-void tracker_control_read(
-    tracker_t *instance, char* setup_buffer, size_t setup_size);
+void batch_control_write(batch_t *instance);
 
-void tracker_interrupt_in(tracker_t *instance);
+void batch_control_read(batch_t *instance);
 
-void tracker_interrupt_out(tracker_t *instance);
+void batch_interrupt_in(batch_t *instance);
+
+void batch_interrupt_out(batch_t *instance);
 
 /* DEPRECATED FUNCTIONS NEEDED BY THE OLD API */
-void tracker_control_setup_old(tracker_t *instance);
+void batch_control_setup_old(batch_t *instance);
 
-void tracker_control_write_data_old(tracker_t *instance);
+void batch_control_write_data_old(batch_t *instance);
 
-void tracker_control_read_data_old(tracker_t *instance);
+void batch_control_read_data_old(batch_t *instance);
 
-void tracker_control_write_status_old(tracker_t *instance);
+void batch_control_write_status_old(batch_t *instance);
 
-void tracker_control_read_status_old(tracker_t *instance);
+void batch_control_read_status_old(batch_t *instance);
 #endif
 /**