xref: /linux/drivers/infiniband/hw/qedr/verbs.h (revision 2fe05e1139a555ae91f00a812cb9520e7d3022ab)
1 /* QLogic qedr NIC Driver
2  * Copyright (c) 2015-2016  QLogic Corporation
3  *
4  * This software is available to you under a choice of one of two
5  * licenses.  You may choose to be licensed under the terms of the GNU
6  * General Public License (GPL) Version 2, available from the file
7  * COPYING in the main directory of this source tree, or the
8  * OpenIB.org BSD license below:
9  *
10  *     Redistribution and use in source and binary forms, with or
11  *     without modification, are permitted provided that the following
12  *     conditions are met:
13  *
14  *      - Redistributions of source code must retain the above
15  *        copyright notice, this list of conditions and the following
16  *        disclaimer.
17  *
18  *      - Redistributions in binary form must reproduce the above
19  *        copyright notice, this list of conditions and the following
20  *        disclaimer in the documentation and /or other materials
21  *        provided with the distribution.
22  *
23  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30  * SOFTWARE.
31  */
32 #ifndef __QEDR_VERBS_H__
33 #define __QEDR_VERBS_H__
34 
35 int qedr_query_device(struct ib_device *ibdev,
36 		      struct ib_device_attr *attr, struct ib_udata *udata);
37 int qedr_query_port(struct ib_device *, u8 port, struct ib_port_attr *props);
38 int qedr_modify_port(struct ib_device *, u8 port, int mask,
39 		     struct ib_port_modify *props);
40 
41 int qedr_query_gid(struct ib_device *, u8 port, int index, union ib_gid *gid);
42 
43 int qedr_query_pkey(struct ib_device *, u8 port, u16 index, u16 *pkey);
44 
45 struct ib_ucontext *qedr_alloc_ucontext(struct ib_device *, struct ib_udata *);
46 int qedr_dealloc_ucontext(struct ib_ucontext *);
47 
48 int qedr_mmap(struct ib_ucontext *, struct vm_area_struct *vma);
49 int qedr_del_gid(struct ib_device *device, u8 port_num,
50 		 unsigned int index, void **context);
51 int qedr_add_gid(struct ib_device *device, u8 port_num,
52 		 unsigned int index, const union ib_gid *gid,
53 		 const struct ib_gid_attr *attr, void **context);
54 struct ib_pd *qedr_alloc_pd(struct ib_device *,
55 			    struct ib_ucontext *, struct ib_udata *);
56 int qedr_dealloc_pd(struct ib_pd *pd);
57 
58 struct ib_cq *qedr_create_cq(struct ib_device *ibdev,
59 			     const struct ib_cq_init_attr *attr,
60 			     struct ib_ucontext *ib_ctx,
61 			     struct ib_udata *udata);
62 int qedr_resize_cq(struct ib_cq *, int cqe, struct ib_udata *);
63 int qedr_destroy_cq(struct ib_cq *);
64 int qedr_arm_cq(struct ib_cq *ibcq, enum ib_cq_notify_flags flags);
65 struct ib_qp *qedr_create_qp(struct ib_pd *, struct ib_qp_init_attr *attrs,
66 			     struct ib_udata *);
67 int qedr_modify_qp(struct ib_qp *, struct ib_qp_attr *attr,
68 		   int attr_mask, struct ib_udata *udata);
69 int qedr_query_qp(struct ib_qp *, struct ib_qp_attr *qp_attr,
70 		  int qp_attr_mask, struct ib_qp_init_attr *);
71 int qedr_destroy_qp(struct ib_qp *ibqp);
72 
73 struct ib_ah *qedr_create_ah(struct ib_pd *ibpd, struct rdma_ah_attr *attr,
74 			     struct ib_udata *udata);
75 int qedr_destroy_ah(struct ib_ah *ibah);
76 
77 int qedr_dereg_mr(struct ib_mr *);
78 struct ib_mr *qedr_get_dma_mr(struct ib_pd *, int acc);
79 
80 struct ib_mr *qedr_reg_user_mr(struct ib_pd *, u64 start, u64 length,
81 			       u64 virt, int acc, struct ib_udata *);
82 
83 int qedr_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg,
84 		   int sg_nents, unsigned int *sg_offset);
85 
86 struct ib_mr *qedr_alloc_mr(struct ib_pd *pd, enum ib_mr_type mr_type,
87 			    u32 max_num_sg);
88 int qedr_poll_cq(struct ib_cq *, int num_entries, struct ib_wc *wc);
89 int qedr_post_send(struct ib_qp *, struct ib_send_wr *,
90 		   struct ib_send_wr **bad_wr);
91 int qedr_post_recv(struct ib_qp *, struct ib_recv_wr *,
92 		   struct ib_recv_wr **bad_wr);
93 int qedr_process_mad(struct ib_device *ibdev, int process_mad_flags,
94 		     u8 port_num, const struct ib_wc *in_wc,
95 		     const struct ib_grh *in_grh,
96 		     const struct ib_mad_hdr *in_mad,
97 		     size_t in_mad_size, struct ib_mad_hdr *out_mad,
98 		     size_t *out_mad_size, u16 *out_mad_pkey_index);
99 
100 int qedr_port_immutable(struct ib_device *ibdev, u8 port_num,
101 			struct ib_port_immutable *immutable);
102 #endif
103