Merge tag 'v3.3.7' into 3.3/master
[zen-stable.git] / drivers / infiniband / hw / ehca / ehca_iverbs.h
blob8f7f282ead65c01ab05259a5a851968ef05c9eee
1 /*
2 * IBM eServer eHCA Infiniband device driver for Linux on POWER
4 * Function definitions for internal functions
6 * Authors: Heiko J Schick <schickhj@de.ibm.com>
7 * Dietmar Decker <ddecker@de.ibm.com>
9 * Copyright (c) 2005 IBM Corporation
11 * All rights reserved.
13 * This source code is distributed under a dual license of GPL v2.0 and OpenIB
14 * BSD.
16 * OpenIB BSD License
18 * Redistribution and use in source and binary forms, with or without
19 * modification, are permitted provided that the following conditions are met:
21 * Redistributions of source code must retain the above copyright notice, this
22 * list of conditions and the following disclaimer.
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.
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.
42 #ifndef __EHCA_IVERBS_H__
43 #define __EHCA_IVERBS_H__
45 #include "ehca_classes.h"
47 int ehca_query_device(struct ib_device *ibdev, struct ib_device_attr *props);
49 int ehca_query_port(struct ib_device *ibdev, u8 port,
50 struct ib_port_attr *props);
52 int ehca_query_sma_attr(struct ehca_shca *shca, u8 port,
53 struct ehca_sma_attr *attr);
55 int ehca_query_pkey(struct ib_device *ibdev, u8 port, u16 index, u16 * pkey);
57 int ehca_query_gid(struct ib_device *ibdev, u8 port, int index,
58 union ib_gid *gid);
60 int ehca_modify_port(struct ib_device *ibdev, u8 port, int port_modify_mask,
61 struct ib_port_modify *props);
63 struct ib_pd *ehca_alloc_pd(struct ib_device *device,
64 struct ib_ucontext *context,
65 struct ib_udata *udata);
67 int ehca_dealloc_pd(struct ib_pd *pd);
69 struct ib_ah *ehca_create_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr);
71 int ehca_modify_ah(struct ib_ah *ah, struct ib_ah_attr *ah_attr);
73 int ehca_query_ah(struct ib_ah *ah, struct ib_ah_attr *ah_attr);
75 int ehca_destroy_ah(struct ib_ah *ah);
77 struct ib_mr *ehca_get_dma_mr(struct ib_pd *pd, int mr_access_flags);
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);
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);
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);
94 int ehca_query_mr(struct ib_mr *mr, struct ib_mr_attr *mr_attr);
96 int ehca_dereg_mr(struct ib_mr *mr);
98 struct ib_mw *ehca_alloc_mw(struct ib_pd *pd);
100 int ehca_bind_mw(struct ib_qp *qp, struct ib_mw *mw,
101 struct ib_mw_bind *mw_bind);
103 int ehca_dealloc_mw(struct ib_mw *mw);
105 struct ib_fmr *ehca_alloc_fmr(struct ib_pd *pd,
106 int mr_access_flags,
107 struct ib_fmr_attr *fmr_attr);
109 int ehca_map_phys_fmr(struct ib_fmr *fmr,
110 u64 *page_list, int list_len, u64 iova);
112 int ehca_unmap_fmr(struct list_head *fmr_list);
114 int ehca_dealloc_fmr(struct ib_fmr *fmr);
116 enum ehca_eq_type {
117 EHCA_EQ = 0, /* Event Queue */
118 EHCA_NEQ /* Notification Event Queue */
121 int ehca_create_eq(struct ehca_shca *shca, struct ehca_eq *eq,
122 enum ehca_eq_type type, const u32 length);
124 int ehca_destroy_eq(struct ehca_shca *shca, struct ehca_eq *eq);
126 void *ehca_poll_eq(struct ehca_shca *shca, struct ehca_eq *eq);
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);
133 int ehca_destroy_cq(struct ib_cq *cq);
135 int ehca_resize_cq(struct ib_cq *cq, int cqe, struct ib_udata *udata);
137 int ehca_poll_cq(struct ib_cq *cq, int num_entries, struct ib_wc *wc);
139 int ehca_peek_cq(struct ib_cq *cq, int wc_cnt);
141 int ehca_req_notify_cq(struct ib_cq *cq, enum ib_cq_notify_flags notify_flags);
143 struct ib_qp *ehca_create_qp(struct ib_pd *pd,
144 struct ib_qp_init_attr *init_attr,
145 struct ib_udata *udata);
147 int ehca_destroy_qp(struct ib_qp *qp);
149 int ehca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask,
150 struct ib_udata *udata);
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);
155 int ehca_post_send(struct ib_qp *qp, struct ib_send_wr *send_wr,
156 struct ib_send_wr **bad_send_wr);
158 int ehca_post_recv(struct ib_qp *qp, struct ib_recv_wr *recv_wr,
159 struct ib_recv_wr **bad_recv_wr);
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);
165 struct ib_srq *ehca_create_srq(struct ib_pd *pd,
166 struct ib_srq_init_attr *init_attr,
167 struct ib_udata *udata);
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);
172 int ehca_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr);
174 int ehca_destroy_srq(struct ib_srq *srq);
176 u64 ehca_define_sqp(struct ehca_shca *shca, struct ehca_qp *ibqp,
177 struct ib_qp_init_attr *qp_init_attr);
179 int ehca_attach_mcast(struct ib_qp *qp, union ib_gid *gid, u16 lid);
181 int ehca_detach_mcast(struct ib_qp *qp, union ib_gid *gid, u16 lid);
183 struct ib_ucontext *ehca_alloc_ucontext(struct ib_device *device,
184 struct ib_udata *udata);
186 int ehca_dealloc_ucontext(struct ib_ucontext *context);
188 int ehca_mmap(struct ib_ucontext *context, struct vm_area_struct *vma);
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);
195 void ehca_poll_eqs(unsigned long data);
197 int ehca_calc_ipd(struct ehca_shca *shca, int port,
198 enum ib_rate path_rate, u32 *ipd);
200 void ehca_add_to_err_list(struct ehca_qp *qp, int on_sq);
202 #ifdef CONFIG_PPC_64K_PAGES
203 void *ehca_alloc_fw_ctrlblock(gfp_t flags);
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
210 void ehca_recover_sqp(struct ib_qp *sqp);
212 #endif