1f94b533d091a42da92d908eb7b3f9ade1923f90dTom Tucker/* 2f94b533d091a42da92d908eb7b3f9ade1923f90dTom Tucker * Copyright (c) 2005 Ammasso, Inc. All rights reserved. 3f94b533d091a42da92d908eb7b3f9ade1923f90dTom Tucker * Copyright (c) 2005 Open Grid Computing, Inc. All rights reserved. 4f94b533d091a42da92d908eb7b3f9ade1923f90dTom Tucker * 5f94b533d091a42da92d908eb7b3f9ade1923f90dTom Tucker * This software is available to you under a choice of one of two 6f94b533d091a42da92d908eb7b3f9ade1923f90dTom Tucker * licenses. You may choose to be licensed under the terms of the GNU 7f94b533d091a42da92d908eb7b3f9ade1923f90dTom Tucker * General Public License (GPL) Version 2, available from the file 8f94b533d091a42da92d908eb7b3f9ade1923f90dTom Tucker * COPYING in the main directory of this source tree, or the 9f94b533d091a42da92d908eb7b3f9ade1923f90dTom Tucker * OpenIB.org BSD license below: 10f94b533d091a42da92d908eb7b3f9ade1923f90dTom Tucker * 11f94b533d091a42da92d908eb7b3f9ade1923f90dTom Tucker * Redistribution and use in source and binary forms, with or 12f94b533d091a42da92d908eb7b3f9ade1923f90dTom Tucker * without modification, are permitted provided that the following 13f94b533d091a42da92d908eb7b3f9ade1923f90dTom Tucker * conditions are met: 14f94b533d091a42da92d908eb7b3f9ade1923f90dTom Tucker * 15f94b533d091a42da92d908eb7b3f9ade1923f90dTom Tucker * - Redistributions of source code must retain the above 16f94b533d091a42da92d908eb7b3f9ade1923f90dTom Tucker * copyright notice, this list of conditions and the following 17f94b533d091a42da92d908eb7b3f9ade1923f90dTom Tucker * disclaimer. 18f94b533d091a42da92d908eb7b3f9ade1923f90dTom Tucker * 19f94b533d091a42da92d908eb7b3f9ade1923f90dTom Tucker * - Redistributions in binary form must reproduce the above 20f94b533d091a42da92d908eb7b3f9ade1923f90dTom Tucker * copyright notice, this list of conditions and the following 21f94b533d091a42da92d908eb7b3f9ade1923f90dTom Tucker * disclaimer in the documentation and/or other materials 22f94b533d091a42da92d908eb7b3f9ade1923f90dTom Tucker * provided with the distribution. 23f94b533d091a42da92d908eb7b3f9ade1923f90dTom Tucker * 24f94b533d091a42da92d908eb7b3f9ade1923f90dTom Tucker * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 25f94b533d091a42da92d908eb7b3f9ade1923f90dTom Tucker * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 26f94b533d091a42da92d908eb7b3f9ade1923f90dTom Tucker * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 27f94b533d091a42da92d908eb7b3f9ade1923f90dTom Tucker * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 28f94b533d091a42da92d908eb7b3f9ade1923f90dTom Tucker * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 29f94b533d091a42da92d908eb7b3f9ade1923f90dTom Tucker * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 30f94b533d091a42da92d908eb7b3f9ade1923f90dTom Tucker * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 31f94b533d091a42da92d908eb7b3f9ade1923f90dTom Tucker * SOFTWARE. 32f94b533d091a42da92d908eb7b3f9ade1923f90dTom Tucker */ 33f94b533d091a42da92d908eb7b3f9ade1923f90dTom Tucker#ifndef _C2_VQ_H_ 34f94b533d091a42da92d908eb7b3f9ade1923f90dTom Tucker#define _C2_VQ_H_ 35f94b533d091a42da92d908eb7b3f9ade1923f90dTom Tucker#include <linux/sched.h> 36f94b533d091a42da92d908eb7b3f9ade1923f90dTom Tucker#include "c2.h" 37f94b533d091a42da92d908eb7b3f9ade1923f90dTom Tucker#include "c2_wr.h" 38f94b533d091a42da92d908eb7b3f9ade1923f90dTom Tucker#include "c2_provider.h" 39f94b533d091a42da92d908eb7b3f9ade1923f90dTom Tucker 40f94b533d091a42da92d908eb7b3f9ade1923f90dTom Tuckerstruct c2_vq_req { 41f94b533d091a42da92d908eb7b3f9ade1923f90dTom Tucker u64 reply_msg; /* ptr to reply msg */ 42f94b533d091a42da92d908eb7b3f9ade1923f90dTom Tucker wait_queue_head_t wait_object; /* wait object for vq reqs */ 43f94b533d091a42da92d908eb7b3f9ade1923f90dTom Tucker atomic_t reply_ready; /* set when reply is ready */ 44f94b533d091a42da92d908eb7b3f9ade1923f90dTom Tucker atomic_t refcnt; /* used to cancel WRs... */ 45f94b533d091a42da92d908eb7b3f9ade1923f90dTom Tucker int event; 46f94b533d091a42da92d908eb7b3f9ade1923f90dTom Tucker struct iw_cm_id *cm_id; 47f94b533d091a42da92d908eb7b3f9ade1923f90dTom Tucker struct c2_qp *qp; 48f94b533d091a42da92d908eb7b3f9ade1923f90dTom Tucker}; 49f94b533d091a42da92d908eb7b3f9ade1923f90dTom Tucker 50f94b533d091a42da92d908eb7b3f9ade1923f90dTom Tuckerextern int vq_init(struct c2_dev *c2dev); 51f94b533d091a42da92d908eb7b3f9ade1923f90dTom Tuckerextern void vq_term(struct c2_dev *c2dev); 52f94b533d091a42da92d908eb7b3f9ade1923f90dTom Tucker 53f94b533d091a42da92d908eb7b3f9ade1923f90dTom Tuckerextern struct c2_vq_req *vq_req_alloc(struct c2_dev *c2dev); 54f94b533d091a42da92d908eb7b3f9ade1923f90dTom Tuckerextern void vq_req_free(struct c2_dev *c2dev, struct c2_vq_req *req); 55f94b533d091a42da92d908eb7b3f9ade1923f90dTom Tuckerextern void vq_req_get(struct c2_dev *c2dev, struct c2_vq_req *req); 56f94b533d091a42da92d908eb7b3f9ade1923f90dTom Tuckerextern void vq_req_put(struct c2_dev *c2dev, struct c2_vq_req *req); 57f94b533d091a42da92d908eb7b3f9ade1923f90dTom Tuckerextern int vq_send_wr(struct c2_dev *c2dev, union c2wr * wr); 58f94b533d091a42da92d908eb7b3f9ade1923f90dTom Tucker 59f94b533d091a42da92d908eb7b3f9ade1923f90dTom Tuckerextern void *vq_repbuf_alloc(struct c2_dev *c2dev); 60f94b533d091a42da92d908eb7b3f9ade1923f90dTom Tuckerextern void vq_repbuf_free(struct c2_dev *c2dev, void *reply); 61f94b533d091a42da92d908eb7b3f9ade1923f90dTom Tucker 62f94b533d091a42da92d908eb7b3f9ade1923f90dTom Tuckerextern int vq_wait_for_reply(struct c2_dev *c2dev, struct c2_vq_req *req); 63f94b533d091a42da92d908eb7b3f9ade1923f90dTom Tucker#endif /* _C2_VQ_H_ */ 64