1/* 2 * Copyright (c) 2005 Ammasso, Inc. All rights reserved. 3 * Copyright (c) 2005 Open Grid Computing, Inc. All rights reserved. 4 * 5 * This software is available to you under a choice of one of two 6 * licenses. You may choose to be licensed under the terms of the GNU 7 * General Public License (GPL) Version 2, available from the file 8 * COPYING in the main directory of this source tree, or the 9 * OpenIB.org BSD license below: 10 * 11 * Redistribution and use in source and binary forms, with or 12 * without modification, are permitted provided that the following 13 * conditions are met: 14 * 15 * - Redistributions of source code must retain the above 16 * copyright notice, this list of conditions and the following 17 * disclaimer. 18 * 19 * - Redistributions in binary form must reproduce the above 20 * copyright notice, this list of conditions and the following 21 * disclaimer in the documentation and/or other materials 22 * provided with the distribution. 23 * 24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 25 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 26 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 27 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 28 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 29 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 30 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 31 * SOFTWARE. 32 */ 33#ifndef _C2_VQ_H_ 34#define _C2_VQ_H_ 35#include <linux/sched.h> 36#include "c2.h" 37#include "c2_wr.h" 38#include "c2_provider.h" 39 40struct c2_vq_req { 41 u64 reply_msg; /* ptr to reply msg */ 42 wait_queue_head_t wait_object; /* wait object for vq reqs */ 43 atomic_t reply_ready; /* set when reply is ready */ 44 atomic_t refcnt; /* used to cancel WRs... */ 45 int event; 46 struct iw_cm_id *cm_id; 47 struct c2_qp *qp; 48}; 49 50extern int vq_init(struct c2_dev *c2dev); 51extern void vq_term(struct c2_dev *c2dev); 52 53extern struct c2_vq_req *vq_req_alloc(struct c2_dev *c2dev); 54extern void vq_req_free(struct c2_dev *c2dev, struct c2_vq_req *req); 55extern void vq_req_get(struct c2_dev *c2dev, struct c2_vq_req *req); 56extern void vq_req_put(struct c2_dev *c2dev, struct c2_vq_req *req); 57extern int vq_send_wr(struct c2_dev *c2dev, union c2wr * wr); 58 59extern void *vq_repbuf_alloc(struct c2_dev *c2dev); 60extern void vq_repbuf_free(struct c2_dev *c2dev, void *reply); 61 62extern int vq_wait_for_reply(struct c2_dev *c2dev, struct c2_vq_req *req); 63#endif /* _C2_VQ_H_ */ 64