63 lines
2.1 KiB
C
63 lines
2.1 KiB
C
/* $FreeBSD$ */
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/*-
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* Copyright (c) 2008 Hans Petter Selasky. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _USB2_SW_TRANSFER_H_
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#define _USB2_SW_TRANSFER_H_
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/* Software transfer function state argument values */
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enum {
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USB_SW_TR_SETUP,
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USB_SW_TR_STATUS,
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USB_SW_TR_PRE_DATA,
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USB_SW_TR_POST_DATA,
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USB_SW_TR_PRE_CALLBACK,
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};
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struct usb2_sw_transfer;
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typedef void (usb2_sw_transfer_func_t)(struct usb2_xfer *, struct usb2_sw_transfer *);
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/*
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* The following structure is used to keep the state of a standard
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* root transfer.
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*/
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struct usb2_sw_transfer {
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struct usb2_device_request req;
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struct usb2_xfer *xfer;
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uint8_t *ptr;
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uint16_t len;
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uint8_t state;
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usb2_error_t err;
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};
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/* prototypes */
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void usb2_sw_transfer(struct usb2_sw_transfer *std,
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usb2_sw_transfer_func_t *func);
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#endif /* _USB2_SW_TRANSFER_H_ */
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