Changeset 2f762a7 in mainline for uspace/lib/usbhost/include/usb/host/usb_transfer_batch.h

Timestamp:

2018-02-11T17:18:17Z (7 years ago)

Author:

Ondřej Hlavatý <aearsis@…>

Branches:

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

Children:

1d758fc

Parents:

d345ce2

git-author:

Ondřej Hlavatý <aearsis@…> (2018-02-05 03:52:09)

git-committer:

Ondřej Hlavatý <aearsis@…> (2018-02-11 17:18:17)

Message:

usbhost: allow the driver to bounce later

File:

• uspace/lib/usbhost/include/usb/host/usb_transfer_batch.h (modified) (2 diffs)

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

@@ -70 +70 @@
         } setup;
 
-        /** DMA buffer with enforced policy */
-        dma_buffer_t dma_buffer;
+        /**
+         * In case a bounce buffer is allocated, the original buffer must to be
+         * stored to be filled after the IN transaction is finished.
+         */
+        char *buffer;
         /** Size of memory buffer */
         size_t buffer_size;
 
-        /**
-         * In case the DMA buffer is allocated, the original buffer must to be
-         * stored to be filled after the IN transaction is finished.
-         */
-        char *original_buffer;
+        /** DMA buffer with enforced policy */
+        dma_buffer_t dma_buffer;
+        bool is_bounced;
 
         /** Indicates success/failure of the communication */
@@ -114 +115 @@
 void usb_transfer_batch_init(usb_transfer_batch_t *, endpoint_t *);
 
+errno_t usb_transfer_batch_bounce(usb_transfer_batch_t *);
 /** Buffer preparation */
 errno_t usb_transfer_batch_prepare_buffer(usb_transfer_batch_t *, char *);