Current Path : /sys/dev/usb/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
Current File : //sys/dev/usb/usb_if.m |
#- # Copyright (c) 2008 Hans Petter Selasky. All rights reserved. # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions # are met: # 1. Redistributions of source code must retain the above copyright # notice, this list of conditions and the following disclaimer, # without modification, immediately at the beginning of the file. # 2. Redistributions in binary form must reproduce the above copyright # notice, this list of conditions and the following disclaimer in the # documentation and/or other materials provided with the distribution. # 3. The name of the author may not be used to endorse or promote products # derived from this software without specific prior written permission. # # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. # # $FreeBSD: release/9.1.0/sys/dev/usb/usb_if.m 229096 2011-12-31 14:22:02Z hselasky $ # # USB interface description # #include <sys/bus.h> INTERFACE usb; # The device received a control request # # The value pointed to by "pstate" can be updated to # "USB_HR_COMPLETE_OK" to indicate that the control # read transfer is complete, in case of short USB # control transfers. # # Return values: # 0: Success # ENOTTY: Transaction stalled # Else: Use builtin request handler # METHOD int handle_request { device_t dev; const void *req; /* pointer to the device request */ void **pptr; /* data pointer */ uint16_t *plen; /* maximum transfer length */ uint16_t offset; /* data offset */ uint8_t *pstate; /* set if transfer is complete, see USB_HR_XXX */ }; # Take controller from BIOS # # Return values: # 0: Success # Else: Failure # METHOD int take_controller { device_t dev; };