Changeset 1d758fc in mainline for uspace/lib/usbhost/include/usb/host/endpoint.h

Timestamp:

2018-02-12T10:11:47Z (6 years ago)

Author:

Ondřej Hlavatý <aearsis@…>

Branches:

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

Children:

5fe3f954

Parents:

2f762a7

git-author:

Ondřej Hlavatý <aearsis@…> (2018-02-05 03:28:50)

git-committer:

Ondřej Hlavatý <aearsis@…> (2018-02-12 10:11:47)

Message:

usb: rethinking DMA buffers

File:

• uspace/lib/usbhost/include/usb/host/endpoint.h (modified) (3 diffs)

uspace/lib/usbhost/include/usb/host/endpoint.h

@@ -51 +51 @@
 typedef struct bus bus_t;
 typedef struct device device_t;
+typedef struct transfer_request transfer_request_t;
 typedef struct usb_transfer_batch usb_transfer_batch_t;
 
@@ -98 +99 @@
         /** Maximum size of one transfer */
         size_t max_transfer_size;
-        /** Policy for transfer buffers */
-        dma_policy_t transfer_buffer_policy;
+
+        /* Policies for transfer buffers */
+        dma_policy_t transfer_buffer_policy;            /**< A hint for optimal performance. */
+        dma_policy_t required_transfer_buffer_policy;   /**< Enforced by the library. */
 
         /**
@@ -122 +125 @@
 extern void endpoint_deactivate_locked(endpoint_t *);
 
-int endpoint_send_batch(endpoint_t *, usb_target_t, usb_direction_t,
-    char *, size_t, uint64_t, usbhc_iface_transfer_callback_t, void *,
-    const char *);
+int endpoint_send_batch(endpoint_t *, const transfer_request_t *);
 
 static inline bus_t *endpoint_get_bus(endpoint_t *ep)