1 /* This file is part of the Emulex RoCE Device Driver for
2  * RoCE (RDMA over Converged Ethernet) adapters.
3  * Copyright (C) 2012-2015 Emulex. All rights reserved.
4  * EMULEX and SLI are trademarks of Emulex.
5  * www.emulex.com
6  *
7  * This software is available to you under a choice of one of two licenses.
8  * You may choose to be licensed under the terms of the GNU General Public
9  * License (GPL) Version 2, available from the file COPYING in the main
10  * directory of this source tree, or the BSD license below:
11  *
12  * Redistribution and use in source and binary forms, with or without
13  * modification, are permitted provided that the following conditions
14  * are met:
15  *
16  * - Redistributions of source code must retain the above copyright notice,
17  *   this list of conditions and the following disclaimer.
18  *
19  * - Redistributions in binary form must reproduce the above copyright
20  *   notice, this list of conditions and the following disclaimer in
21  *   the documentation and/or other materials provided with the distribution.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
24  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,THE
25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
27  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
28  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
29  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
30  * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
31  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
32  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
33  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34  *
35  * Contact Information:
36  * linux-drivers@emulex.com
37  *
38  * Emulex
39  * 3333 Susan Street
40  * Costa Mesa, CA 92626
41  */
42 
43 #ifndef __OCRDMA_VERBS_H__
44 #define __OCRDMA_VERBS_H__
45 
46 int ocrdma_post_send(struct ib_qp *, const struct ib_send_wr *,
47 		     const struct ib_send_wr **bad_wr);
48 int ocrdma_post_recv(struct ib_qp *, const struct ib_recv_wr *,
49 		     const struct ib_recv_wr **bad_wr);
50 
51 int ocrdma_poll_cq(struct ib_cq *, int num_entries, struct ib_wc *wc);
52 int ocrdma_arm_cq(struct ib_cq *, enum ib_cq_notify_flags flags);
53 
54 int ocrdma_query_device(struct ib_device *, struct ib_device_attr *props,
55 			struct ib_udata *uhw);
56 int ocrdma_query_port(struct ib_device *, u8 port, struct ib_port_attr *props);
57 int ocrdma_modify_port(struct ib_device *, u8 port, int mask,
58 		       struct ib_port_modify *props);
59 
60 enum rdma_protocol_type
61 ocrdma_query_protocol(struct ib_device *device, u8 port_num);
62 
63 void ocrdma_get_guid(struct ocrdma_dev *, u8 *guid);
64 struct net_device *ocrdma_get_netdev(struct ib_device *device, u8 port_num);
65 int ocrdma_query_pkey(struct ib_device *, u8 port, u16 index, u16 *pkey);
66 
67 struct ib_ucontext *ocrdma_alloc_ucontext(struct ib_device *,
68 					  struct ib_udata *);
69 int ocrdma_dealloc_ucontext(struct ib_ucontext *);
70 
71 int ocrdma_mmap(struct ib_ucontext *, struct vm_area_struct *vma);
72 
73 struct ib_pd *ocrdma_alloc_pd(struct ib_device *,
74 			      struct ib_ucontext *, struct ib_udata *);
75 int ocrdma_dealloc_pd(struct ib_pd *pd);
76 
77 struct ib_cq *ocrdma_create_cq(struct ib_device *ibdev,
78 			       const struct ib_cq_init_attr *attr,
79 			       struct ib_ucontext *ib_ctx,
80 			       struct ib_udata *udata);
81 int ocrdma_resize_cq(struct ib_cq *, int cqe, struct ib_udata *);
82 int ocrdma_destroy_cq(struct ib_cq *);
83 
84 struct ib_qp *ocrdma_create_qp(struct ib_pd *,
85 			       struct ib_qp_init_attr *attrs,
86 			       struct ib_udata *);
87 int _ocrdma_modify_qp(struct ib_qp *, struct ib_qp_attr *attr,
88 		      int attr_mask);
89 int ocrdma_modify_qp(struct ib_qp *, struct ib_qp_attr *attr,
90 		     int attr_mask, struct ib_udata *udata);
91 int ocrdma_query_qp(struct ib_qp *,
92 		    struct ib_qp_attr *qp_attr,
93 		    int qp_attr_mask, struct ib_qp_init_attr *);
94 int ocrdma_destroy_qp(struct ib_qp *);
95 void ocrdma_del_flush_qp(struct ocrdma_qp *qp);
96 
97 struct ib_srq *ocrdma_create_srq(struct ib_pd *, struct ib_srq_init_attr *,
98 				 struct ib_udata *);
99 int ocrdma_modify_srq(struct ib_srq *, struct ib_srq_attr *,
100 		      enum ib_srq_attr_mask, struct ib_udata *);
101 int ocrdma_query_srq(struct ib_srq *, struct ib_srq_attr *);
102 int ocrdma_destroy_srq(struct ib_srq *);
103 int ocrdma_post_srq_recv(struct ib_srq *, const struct ib_recv_wr *,
104 			 const struct ib_recv_wr **bad_recv_wr);
105 
106 int ocrdma_dereg_mr(struct ib_mr *);
107 struct ib_mr *ocrdma_get_dma_mr(struct ib_pd *, int acc);
108 struct ib_mr *ocrdma_reg_user_mr(struct ib_pd *, u64 start, u64 length,
109 				 u64 virt, int acc, struct ib_udata *);
110 struct ib_mr *ocrdma_alloc_mr(struct ib_pd *pd,
111 			      enum ib_mr_type mr_type,
112 			      u32 max_num_sg);
113 int ocrdma_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg, int sg_nents,
114 		     unsigned int *sg_offset);
115 
116 #endif				/* __OCRDMA_VERBS_H__ */
117