Changeset 5fe3f954 in mainline for uspace/lib/usb/include

Timestamp:

2018-02-12T10:28:14Z (7 years ago)

Author:

Ondřej Hlavatý <aearsis@…>

Branches:

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

Children:

ee820ff

Parents:

1d758fc

git-author:

Ondřej Hlavatý <aearsis@…> (2018-02-12 10:23:51)

git-committer:

Ondřej Hlavatý <aearsis@…> (2018-02-12 10:28:14)

Message:

xhci: refactor splitting transfers

Allow nonzero offsets (not yet used bc. of other drivers), usage of
bigger chunks than PAGE_SIZE. The performance is now at 1.3 GB/s, when
using 16MB transfers (the current maximum) and without debug logs.

File:

• uspace/lib/usb/include/usb/request.h (modified) (1 diff)

uspace/lib/usb/include/usb/request.h

@@ -85 +85 @@
 #define SETUP_REQUEST_TYPE_DEVICE_TO_HOST (1 << 7)
 #define SETUP_REQUEST_TYPE_HOST_TO_DEVICE (0 << 7)
+#define SETUP_REQUEST_TYPE_IS_DEVICE_TO_HOST(rt) ((rt) & (1 << 7))
 #define SETUP_REQUEST_TYPE_GET_TYPE(rt) ((rt >> 5) & 0x3)
 #define SETUP_REQUEST_TYPE_GET_RECIPIENT(rec) (rec & 0x1f)