53 строки
2.1 KiB
C
53 строки
2.1 KiB
C
/*
|
|
* 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.
|
|
*
|
|
* 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
|
|
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
|
|
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
|
|
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
|
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
* SOFTWARE.
|
|
*/
|
|
#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);
|
|
|
|
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);
|