IB/ipath: User mode send DMA header file

/*

 * Copyright (c) 2007, 2008 QLogic Corporation. All rights reserved.

 *

 * This software is available to you under a choice of one of two

 * licenses.  You may choose to be licensed under the terms of the GNU

 * General Public License (GPL) Version 2, available from the file

 * COPYING in the main directory of this source tree, or the

 * OpenIB.org BSD license below:

 *

 *     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.

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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,

 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF

 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND

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#include <linux/device.h>

struct ipath_user_sdma_queue;

struct ipath_user_sdma_queue *

ipath_user_sdma_queue_create(struct device *dev, int unit, int port, int sport);

void ipath_user_sdma_queue_destroy(struct ipath_user_sdma_queue *pq);

int ipath_user_sdma_writev(struct ipath_devdata *dd,

			   struct ipath_user_sdma_queue *pq,

			   const struct iovec *iov,

			   unsigned long dim);

int ipath_user_sdma_make_progress(struct ipath_devdata *dd,

				  struct ipath_user_sdma_queue *pq);

int ipath_user_sdma_pkt_sent(const struct ipath_user_sdma_queue *pq,

			     u32 counter);

void ipath_user_sdma_queue_drain(struct ipath_devdata *dd,

				 struct ipath_user_sdma_queue *pq);

u32 ipath_user_sdma_complete_counter(const struct ipath_user_sdma_queue *pq);

u32 ipath_user_sdma_inflight_counter(struct ipath_user_sdma_queue *pq);