Add some missing defines and documentation to the pvUSB header file.

Changes in V2:
- add patch 3
- minor fixes in patch 1

Juergen Gross (3):
  include/public: add possible status values to usbif.h
  include/public: add better interface description to usbif.h
  include/public: fix style of usbif.h

 xen/include/public/io/usbif.h | 377 ++++++++++++++++++++++++----------
 1 file changed, 274 insertions(+), 103 deletions(-)

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2.26.2