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
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,
48 struct ib_udata *uhw);
50 int ehca_query_port(struct ib_device *ibdev, u8 port,
51 struct ib_port_attr *props);
53 enum rdma_protocol_type
54 ehca_query_protocol(struct ib_device *device, u8 port_num);
56 int ehca_query_sma_attr(struct ehca_shca *shca, u8 port,
57 struct ehca_sma_attr *attr);
59 int ehca_query_pkey(struct ib_device *ibdev, u8 port, u16 index, u16 * pkey);
61 int ehca_query_gid(struct ib_device *ibdev, u8 port, int index,
64 int ehca_modify_port(struct ib_device *ibdev, u8 port, int port_modify_mask,
65 struct ib_port_modify *props);
67 struct ib_pd *ehca_alloc_pd(struct ib_device *device,
68 struct ib_ucontext *context,
69 struct ib_udata *udata);
71 int ehca_dealloc_pd(struct ib_pd *pd);
73 struct ib_ah *ehca_create_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr);
75 int ehca_modify_ah(struct ib_ah *ah, struct ib_ah_attr *ah_attr);
77 int ehca_query_ah(struct ib_ah *ah, struct ib_ah_attr *ah_attr);
79 int ehca_destroy_ah(struct ib_ah *ah);
81 struct ib_mr *ehca_get_dma_mr(struct ib_pd *pd, int mr_access_flags);
83 struct ib_mr *ehca_reg_phys_mr(struct ib_pd *pd,
84 struct ib_phys_buf *phys_buf_array,
86 int mr_access_flags, u64 *iova_start);
88 struct ib_mr *ehca_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
89 u64 virt, int mr_access_flags,
90 struct ib_udata *udata);
92 int ehca_rereg_phys_mr(struct ib_mr *mr,
95 struct ib_phys_buf *phys_buf_array,
96 int num_phys_buf, int mr_access_flags, u64 *iova_start);
98 int ehca_query_mr(struct ib_mr *mr, struct ib_mr_attr *mr_attr);
100 int ehca_dereg_mr(struct ib_mr *mr);
102 struct ib_mw *ehca_alloc_mw(struct ib_pd *pd, enum ib_mw_type type);
104 int ehca_bind_mw(struct ib_qp *qp, struct ib_mw *mw,
105 struct ib_mw_bind *mw_bind);
107 int ehca_dealloc_mw(struct ib_mw *mw);
109 struct ib_fmr *ehca_alloc_fmr(struct ib_pd *pd,
111 struct ib_fmr_attr *fmr_attr);
113 int ehca_map_phys_fmr(struct ib_fmr *fmr,
114 u64 *page_list, int list_len, u64 iova);
116 int ehca_unmap_fmr(struct list_head *fmr_list);
118 int ehca_dealloc_fmr(struct ib_fmr *fmr);
121 EHCA_EQ = 0, /* Event Queue */
122 EHCA_NEQ /* Notification Event Queue */
125 int ehca_create_eq(struct ehca_shca *shca, struct ehca_eq *eq,
126 enum ehca_eq_type type, const u32 length);
128 int ehca_destroy_eq(struct ehca_shca *shca, struct ehca_eq *eq);
130 void *ehca_poll_eq(struct ehca_shca *shca, struct ehca_eq *eq);
133 struct ib_cq *ehca_create_cq(struct ib_device *device,
134 const struct ib_cq_init_attr *attr,
135 struct ib_ucontext *context,
136 struct ib_udata *udata);
138 int ehca_destroy_cq(struct ib_cq *cq);
140 int ehca_resize_cq(struct ib_cq *cq, int cqe, struct ib_udata *udata);
142 int ehca_poll_cq(struct ib_cq *cq, int num_entries, struct ib_wc *wc);
144 int ehca_peek_cq(struct ib_cq *cq, int wc_cnt);
146 int ehca_req_notify_cq(struct ib_cq *cq, enum ib_cq_notify_flags notify_flags);
148 struct ib_qp *ehca_create_qp(struct ib_pd *pd,
149 struct ib_qp_init_attr *init_attr,
150 struct ib_udata *udata);
152 int ehca_destroy_qp(struct ib_qp *qp);
154 int ehca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask,
155 struct ib_udata *udata);
157 int ehca_query_qp(struct ib_qp *qp, struct ib_qp_attr *qp_attr,
158 int qp_attr_mask, struct ib_qp_init_attr *qp_init_attr);
160 int ehca_post_send(struct ib_qp *qp, struct ib_send_wr *send_wr,
161 struct ib_send_wr **bad_send_wr);
163 int ehca_post_recv(struct ib_qp *qp, struct ib_recv_wr *recv_wr,
164 struct ib_recv_wr **bad_recv_wr);
166 int ehca_post_srq_recv(struct ib_srq *srq,
167 struct ib_recv_wr *recv_wr,
168 struct ib_recv_wr **bad_recv_wr);
170 struct ib_srq *ehca_create_srq(struct ib_pd *pd,
171 struct ib_srq_init_attr *init_attr,
172 struct ib_udata *udata);
174 int ehca_modify_srq(struct ib_srq *srq, struct ib_srq_attr *attr,
175 enum ib_srq_attr_mask attr_mask, struct ib_udata *udata);
177 int ehca_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr);
179 int ehca_destroy_srq(struct ib_srq *srq);
181 u64 ehca_define_sqp(struct ehca_shca *shca, struct ehca_qp *ibqp,
182 struct ib_qp_init_attr *qp_init_attr);
184 int ehca_attach_mcast(struct ib_qp *qp, union ib_gid *gid, u16 lid);
186 int ehca_detach_mcast(struct ib_qp *qp, union ib_gid *gid, u16 lid);
188 struct ib_ucontext *ehca_alloc_ucontext(struct ib_device *device,
189 struct ib_udata *udata);
191 int ehca_dealloc_ucontext(struct ib_ucontext *context);
193 int ehca_mmap(struct ib_ucontext *context, struct vm_area_struct *vma);
195 int ehca_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
196 const struct ib_wc *in_wc, const struct ib_grh *in_grh,
197 const struct ib_mad_hdr *in, size_t in_mad_size,
198 struct ib_mad_hdr *out, size_t *out_mad_size,
199 u16 *out_mad_pkey_index);
201 void ehca_poll_eqs(unsigned long data);
203 int ehca_calc_ipd(struct ehca_shca *shca, int port,
204 enum ib_rate path_rate, u32 *ipd);
206 void ehca_add_to_err_list(struct ehca_qp *qp, int on_sq);
208 #ifdef CONFIG_PPC_64K_PAGES
209 void *ehca_alloc_fw_ctrlblock(gfp_t flags);
210 void ehca_free_fw_ctrlblock(void *ptr);
212 #define ehca_alloc_fw_ctrlblock(flags) ((void *)get_zeroed_page(flags))
213 #define ehca_free_fw_ctrlblock(ptr) free_page((unsigned long)(ptr))
216 void ehca_recover_sqp(struct ib_qp *sqp);