/*
* Copyright (c) 2018 Michal Staruch, Petr Manek, Ondrej Hlavaty
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - 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.
* - 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.
*/
/** @addtogroup drvusbxhci
* @{
*/
/** @file
* @brief The host controller transfer ring management
*/
#ifndef XHCI_TRANSFERS_H
#define XHCI_TRANSFERS_H
#include <usb/host/usb_transfer_batch.h>
#include "hw_struct/context.h"
#include "trb_ring.h"
typedef struct xhci_hc xhci_hc_t;
typedef struct {
usb_transfer_batch_t batch;
link_t link;
uint8_t direction;
uintptr_t interrupt_trb_phys;
} xhci_transfer_t;
extern usb_transfer_batch_t *xhci_transfer_create(endpoint_t *);
extern errno_t xhci_transfer_schedule(usb_transfer_batch_t *);
extern errno_t xhci_handle_transfer_event(xhci_hc_t *, xhci_trb_t *);
extern void xhci_transfer_destroy(usb_transfer_batch_t *);
static inline xhci_transfer_t *xhci_transfer_from_batch(
usb_transfer_batch_t *batch)
{
assert(batch);
return (xhci_transfer_t *) batch;
}
/**
* @}
*/
#endif