Tom Tucker | f94b533 | 2006-09-22 15:22:48 -0700 | [diff] [blame] | 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 | |
| 40 | struct 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 | |
| 50 | extern int vq_init(struct c2_dev *c2dev); |
| 51 | extern void vq_term(struct c2_dev *c2dev); |
| 52 | |
| 53 | extern struct c2_vq_req *vq_req_alloc(struct c2_dev *c2dev); |
| 54 | extern void vq_req_free(struct c2_dev *c2dev, struct c2_vq_req *req); |
| 55 | extern void vq_req_get(struct c2_dev *c2dev, struct c2_vq_req *req); |
| 56 | extern void vq_req_put(struct c2_dev *c2dev, struct c2_vq_req *req); |
| 57 | extern int vq_send_wr(struct c2_dev *c2dev, union c2wr * wr); |
| 58 | |
| 59 | extern void *vq_repbuf_alloc(struct c2_dev *c2dev); |
| 60 | extern void vq_repbuf_free(struct c2_dev *c2dev, void *reply); |
| 61 | |
| 62 | extern int vq_wait_for_reply(struct c2_dev *c2dev, struct c2_vq_req *req); |
| 63 | #endif /* _C2_VQ_H_ */ |