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ehca_iverbs.h
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1 /*
2  * IBM eServer eHCA Infiniband device driver for Linux on POWER
3  *
4  * Function definitions for internal functions
5  *
6  * Authors: Heiko J Schick <[email protected]>
7  * Dietmar Decker <[email protected]>
8  *
9  * Copyright (c) 2005 IBM Corporation
10  *
11  * All rights reserved.
12  *
13  * This source code is distributed under a dual license of GPL v2.0 and OpenIB
14  * BSD.
15  *
16  * OpenIB BSD License
17  *
18  * Redistribution and use in source and binary forms, with or without
19  * modification, are permitted provided that the following conditions are met:
20  *
21  * Redistributions of source code must retain the above copyright notice, this
22  * list of conditions and the following disclaimer.
23  *
24  * Redistributions in binary form must reproduce the above copyright notice,
25  * this list of conditions and the following disclaimer in the documentation
26  * and/or other materials
27  * provided with the distribution.
28  *
29  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
30  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
31  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
32  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
33  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
34  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
35  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
36  * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
37  * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
38  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
39  * POSSIBILITY OF SUCH DAMAGE.
40  */
41 
42 #ifndef __EHCA_IVERBS_H__
43 #define __EHCA_IVERBS_H__
44 
45 #include "ehca_classes.h"
46 
47 int ehca_query_device(struct ib_device *ibdev, struct ib_device_attr *props);
48 
49 int ehca_query_port(struct ib_device *ibdev, u8 port,
50  struct ib_port_attr *props);
51 
52 int ehca_query_sma_attr(struct ehca_shca *shca, u8 port,
53  struct ehca_sma_attr *attr);
54 
55 int ehca_query_pkey(struct ib_device *ibdev, u8 port, u16 index, u16 * pkey);
56 
57 int ehca_query_gid(struct ib_device *ibdev, u8 port, int index,
58  union ib_gid *gid);
59 
60 int ehca_modify_port(struct ib_device *ibdev, u8 port, int port_modify_mask,
61  struct ib_port_modify *props);
62 
63 struct ib_pd *ehca_alloc_pd(struct ib_device *device,
64  struct ib_ucontext *context,
65  struct ib_udata *udata);
66 
67 int ehca_dealloc_pd(struct ib_pd *pd);
68 
69 struct ib_ah *ehca_create_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr);
70 
71 int ehca_modify_ah(struct ib_ah *ah, struct ib_ah_attr *ah_attr);
72 
73 int ehca_query_ah(struct ib_ah *ah, struct ib_ah_attr *ah_attr);
74 
75 int ehca_destroy_ah(struct ib_ah *ah);
76 
77 struct ib_mr *ehca_get_dma_mr(struct ib_pd *pd, int mr_access_flags);
78 
79 struct ib_mr *ehca_reg_phys_mr(struct ib_pd *pd,
80  struct ib_phys_buf *phys_buf_array,
81  int num_phys_buf,
82  int mr_access_flags, u64 *iova_start);
83 
84 struct ib_mr *ehca_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
85  u64 virt, int mr_access_flags,
86  struct ib_udata *udata);
87 
88 int ehca_rereg_phys_mr(struct ib_mr *mr,
89  int mr_rereg_mask,
90  struct ib_pd *pd,
91  struct ib_phys_buf *phys_buf_array,
92  int num_phys_buf, int mr_access_flags, u64 *iova_start);
93 
94 int ehca_query_mr(struct ib_mr *mr, struct ib_mr_attr *mr_attr);
95 
96 int ehca_dereg_mr(struct ib_mr *mr);
97 
98 struct ib_mw *ehca_alloc_mw(struct ib_pd *pd);
99 
100 int ehca_bind_mw(struct ib_qp *qp, struct ib_mw *mw,
101  struct ib_mw_bind *mw_bind);
102 
103 int ehca_dealloc_mw(struct ib_mw *mw);
104 
105 struct ib_fmr *ehca_alloc_fmr(struct ib_pd *pd,
106  int mr_access_flags,
107  struct ib_fmr_attr *fmr_attr);
108 
109 int ehca_map_phys_fmr(struct ib_fmr *fmr,
110  u64 *page_list, int list_len, u64 iova);
111 
112 int ehca_unmap_fmr(struct list_head *fmr_list);
113 
114 int ehca_dealloc_fmr(struct ib_fmr *fmr);
115 
117  EHCA_EQ = 0, /* Event Queue */
118  EHCA_NEQ /* Notification Event Queue */
119 };
120 
121 int ehca_create_eq(struct ehca_shca *shca, struct ehca_eq *eq,
122  enum ehca_eq_type type, const u32 length);
123 
124 int ehca_destroy_eq(struct ehca_shca *shca, struct ehca_eq *eq);
125 
126 void *ehca_poll_eq(struct ehca_shca *shca, struct ehca_eq *eq);
127 
128 
129 struct ib_cq *ehca_create_cq(struct ib_device *device, int cqe, int comp_vector,
130  struct ib_ucontext *context,
131  struct ib_udata *udata);
132 
133 int ehca_destroy_cq(struct ib_cq *cq);
134 
135 int ehca_resize_cq(struct ib_cq *cq, int cqe, struct ib_udata *udata);
136 
137 int ehca_poll_cq(struct ib_cq *cq, int num_entries, struct ib_wc *wc);
138 
139 int ehca_peek_cq(struct ib_cq *cq, int wc_cnt);
140 
141 int ehca_req_notify_cq(struct ib_cq *cq, enum ib_cq_notify_flags notify_flags);
142 
143 struct ib_qp *ehca_create_qp(struct ib_pd *pd,
144  struct ib_qp_init_attr *init_attr,
145  struct ib_udata *udata);
146 
147 int ehca_destroy_qp(struct ib_qp *qp);
148 
149 int ehca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask,
150  struct ib_udata *udata);
151 
152 int ehca_query_qp(struct ib_qp *qp, struct ib_qp_attr *qp_attr,
153  int qp_attr_mask, struct ib_qp_init_attr *qp_init_attr);
154 
155 int ehca_post_send(struct ib_qp *qp, struct ib_send_wr *send_wr,
156  struct ib_send_wr **bad_send_wr);
157 
158 int ehca_post_recv(struct ib_qp *qp, struct ib_recv_wr *recv_wr,
159  struct ib_recv_wr **bad_recv_wr);
160 
161 int ehca_post_srq_recv(struct ib_srq *srq,
162  struct ib_recv_wr *recv_wr,
163  struct ib_recv_wr **bad_recv_wr);
164 
165 struct ib_srq *ehca_create_srq(struct ib_pd *pd,
166  struct ib_srq_init_attr *init_attr,
167  struct ib_udata *udata);
168 
169 int ehca_modify_srq(struct ib_srq *srq, struct ib_srq_attr *attr,
170  enum ib_srq_attr_mask attr_mask, struct ib_udata *udata);
171 
172 int ehca_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr);
173 
174 int ehca_destroy_srq(struct ib_srq *srq);
175 
176 u64 ehca_define_sqp(struct ehca_shca *shca, struct ehca_qp *ibqp,
177  struct ib_qp_init_attr *qp_init_attr);
178 
179 int ehca_attach_mcast(struct ib_qp *qp, union ib_gid *gid, u16 lid);
180 
181 int ehca_detach_mcast(struct ib_qp *qp, union ib_gid *gid, u16 lid);
182 
184  struct ib_udata *udata);
185 
187 
188 int ehca_mmap(struct ib_ucontext *context, struct vm_area_struct *vma);
189 
190 int ehca_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
191  struct ib_wc *in_wc, struct ib_grh *in_grh,
192  struct ib_mad *in_mad,
193  struct ib_mad *out_mad);
194 
195 void ehca_poll_eqs(unsigned long data);
196 
197 int ehca_calc_ipd(struct ehca_shca *shca, int port,
198  enum ib_rate path_rate, u32 *ipd);
199 
200 void ehca_add_to_err_list(struct ehca_qp *qp, int on_sq);
201 
202 #ifdef CONFIG_PPC_64K_PAGES
204 void ehca_free_fw_ctrlblock(void *ptr);
205 #else
206 #define ehca_alloc_fw_ctrlblock(flags) ((void *)get_zeroed_page(flags))
207 #define ehca_free_fw_ctrlblock(ptr) free_page((unsigned long)(ptr))
208 #endif
209 
210 void ehca_recover_sqp(struct ib_qp *sqp);
211 
212 #endif