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linux-next/drivers/infiniband/hw/qib/qib_user_sdma.h
Ralph Campbell f931551baf IB/qib: Add new qib driver for QLogic PCIe InfiniBand adapters
Add a low-level IB driver for QLogic PCIe adapters.

Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
2010-05-23 21:44:54 -07:00

53 lines
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 qib_user_sdma_queue;
struct qib_user_sdma_queue *
qib_user_sdma_queue_create(struct device *dev, int unit, int port, int sport);
void qib_user_sdma_queue_destroy(struct qib_user_sdma_queue *pq);
int qib_user_sdma_writev(struct qib_ctxtdata *pd,
struct qib_user_sdma_queue *pq,
const struct iovec *iov,
unsigned long dim);
int qib_user_sdma_make_progress(struct qib_pportdata *ppd,
struct qib_user_sdma_queue *pq);
void qib_user_sdma_queue_drain(struct qib_pportdata *ppd,
struct qib_user_sdma_queue *pq);
u32 qib_user_sdma_complete_counter(const struct qib_user_sdma_queue *pq);
u32 qib_user_sdma_inflight_counter(struct qib_user_sdma_queue *pq);