1*4882a593Smuzhiyun /* 2*4882a593Smuzhiyun * Copyright (c) 2007, 2008 QLogic Corporation. All rights reserved. 3*4882a593Smuzhiyun * 4*4882a593Smuzhiyun * This software is available to you under a choice of one of two 5*4882a593Smuzhiyun * licenses. You may choose to be licensed under the terms of the GNU 6*4882a593Smuzhiyun * General Public License (GPL) Version 2, available from the file 7*4882a593Smuzhiyun * COPYING in the main directory of this source tree, or the 8*4882a593Smuzhiyun * OpenIB.org BSD license below: 9*4882a593Smuzhiyun * 10*4882a593Smuzhiyun * Redistribution and use in source and binary forms, with or 11*4882a593Smuzhiyun * without modification, are permitted provided that the following 12*4882a593Smuzhiyun * conditions are met: 13*4882a593Smuzhiyun * 14*4882a593Smuzhiyun * - Redistributions of source code must retain the above 15*4882a593Smuzhiyun * copyright notice, this list of conditions and the following 16*4882a593Smuzhiyun * disclaimer. 17*4882a593Smuzhiyun * 18*4882a593Smuzhiyun * - Redistributions in binary form must reproduce the above 19*4882a593Smuzhiyun * copyright notice, this list of conditions and the following 20*4882a593Smuzhiyun * disclaimer in the documentation and/or other materials 21*4882a593Smuzhiyun * provided with the distribution. 22*4882a593Smuzhiyun * 23*4882a593Smuzhiyun * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 24*4882a593Smuzhiyun * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 25*4882a593Smuzhiyun * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 26*4882a593Smuzhiyun * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 27*4882a593Smuzhiyun * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 28*4882a593Smuzhiyun * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 29*4882a593Smuzhiyun * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 30*4882a593Smuzhiyun * SOFTWARE. 31*4882a593Smuzhiyun */ 32*4882a593Smuzhiyun #include <linux/device.h> 33*4882a593Smuzhiyun 34*4882a593Smuzhiyun struct qib_user_sdma_queue; 35*4882a593Smuzhiyun 36*4882a593Smuzhiyun struct qib_user_sdma_queue * 37*4882a593Smuzhiyun qib_user_sdma_queue_create(struct device *dev, int unit, int port, int sport); 38*4882a593Smuzhiyun void qib_user_sdma_queue_destroy(struct qib_user_sdma_queue *pq); 39*4882a593Smuzhiyun 40*4882a593Smuzhiyun int qib_user_sdma_writev(struct qib_ctxtdata *pd, 41*4882a593Smuzhiyun struct qib_user_sdma_queue *pq, 42*4882a593Smuzhiyun const struct iovec *iov, 43*4882a593Smuzhiyun unsigned long dim); 44*4882a593Smuzhiyun 45*4882a593Smuzhiyun int qib_user_sdma_make_progress(struct qib_pportdata *ppd, 46*4882a593Smuzhiyun struct qib_user_sdma_queue *pq); 47*4882a593Smuzhiyun 48*4882a593Smuzhiyun void qib_user_sdma_queue_drain(struct qib_pportdata *ppd, 49*4882a593Smuzhiyun struct qib_user_sdma_queue *pq); 50*4882a593Smuzhiyun 51*4882a593Smuzhiyun u32 qib_user_sdma_complete_counter(const struct qib_user_sdma_queue *pq); 52*4882a593Smuzhiyun u32 qib_user_sdma_inflight_counter(struct qib_user_sdma_queue *pq); 53