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); 53