Ralph Campbell | f931551 | 2010-05-23 21:44:54 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2007, 2008 QLogic Corporation. All rights reserved. |
| 3 | * |
| 4 | * This software is available to you under a choice of one of two |
| 5 | * licenses. You may choose to be licensed under the terms of the GNU |
| 6 | * General Public License (GPL) Version 2, available from the file |
| 7 | * COPYING in the main directory of this source tree, or the |
| 8 | * OpenIB.org BSD license below: |
| 9 | * |
| 10 | * Redistribution and use in source and binary forms, with or |
| 11 | * without modification, are permitted provided that the following |
| 12 | * conditions are met: |
| 13 | * |
| 14 | * - Redistributions of source code must retain the above |
| 15 | * copyright notice, this list of conditions and the following |
| 16 | * disclaimer. |
| 17 | * |
| 18 | * - Redistributions in binary form must reproduce the above |
| 19 | * copyright notice, this list of conditions and the following |
| 20 | * disclaimer in the documentation and/or other materials |
| 21 | * provided with the distribution. |
| 22 | * |
| 23 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 24 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 25 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| 26 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
| 27 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
| 28 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| 29 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 30 | * SOFTWARE. |
| 31 | */ |
| 32 | #include <linux/device.h> |
| 33 | |
| 34 | struct qib_user_sdma_queue; |
| 35 | |
| 36 | struct qib_user_sdma_queue * |
| 37 | qib_user_sdma_queue_create(struct device *dev, int unit, int port, int sport); |
| 38 | void qib_user_sdma_queue_destroy(struct qib_user_sdma_queue *pq); |
| 39 | |
| 40 | int qib_user_sdma_writev(struct qib_ctxtdata *pd, |
| 41 | struct qib_user_sdma_queue *pq, |
| 42 | const struct iovec *iov, |
| 43 | unsigned long dim); |
| 44 | |
| 45 | int qib_user_sdma_make_progress(struct qib_pportdata *ppd, |
| 46 | struct qib_user_sdma_queue *pq); |
| 47 | |
| 48 | void qib_user_sdma_queue_drain(struct qib_pportdata *ppd, |
| 49 | struct qib_user_sdma_queue *pq); |
| 50 | |
| 51 | u32 qib_user_sdma_complete_counter(const struct qib_user_sdma_queue *pq); |
| 52 | u32 qib_user_sdma_inflight_counter(struct qib_user_sdma_queue *pq); |