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);
49 int ehca_query_port(struct ib_device *ibdev, u8 port,
50 struct ib_port_attr *props);
52 enum rdma_protocol_type
53 ehca_query_protocol(struct ib_device *device, u8 port_num);
55 int ehca_query_sma_attr(struct ehca_shca *shca, u8 port,
56 struct ehca_sma_attr *attr);
58 int ehca_query_pkey(struct ib_device *ibdev, u8 port, u16 index, u16 * pkey);
60 int ehca_query_gid(struct ib_device *ibdev, u8 port, int index,
63 int ehca_modify_port(struct ib_device *ibdev, u8 port, int port_modify_mask,
64 struct ib_port_modify *props);
66 struct ib_pd *ehca_alloc_pd(struct ib_device *device,
67 struct ib_ucontext *context,
68 struct ib_udata *udata);
70 int ehca_dealloc_pd(struct ib_pd *pd);
72 struct ib_ah *ehca_create_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr);
74 int ehca_modify_ah(struct ib_ah *ah, struct ib_ah_attr *ah_attr);
76 int ehca_query_ah(struct ib_ah *ah, struct ib_ah_attr *ah_attr);
78 int ehca_destroy_ah(struct ib_ah *ah);
80 struct ib_mr *ehca_get_dma_mr(struct ib_pd *pd, int mr_access_flags);
82 struct ib_mr *ehca_reg_phys_mr(struct ib_pd *pd,
83 struct ib_phys_buf *phys_buf_array,
85 int mr_access_flags, u64 *iova_start);
87 struct ib_mr *ehca_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
88 u64 virt, int mr_access_flags,
89 struct ib_udata *udata);
91 int ehca_rereg_phys_mr(struct ib_mr *mr,
94 struct ib_phys_buf *phys_buf_array,
95 int num_phys_buf, int mr_access_flags, u64 *iova_start);
97 int ehca_query_mr(struct ib_mr *mr, struct ib_mr_attr *mr_attr);
99 int ehca_dereg_mr(struct ib_mr *mr);
101 struct ib_mw *ehca_alloc_mw(struct ib_pd *pd, enum ib_mw_type type);
103 int ehca_bind_mw(struct ib_qp *qp, struct ib_mw *mw,
104 struct ib_mw_bind *mw_bind);
106 int ehca_dealloc_mw(struct ib_mw *mw);
108 struct ib_fmr *ehca_alloc_fmr(struct ib_pd *pd,
110 struct ib_fmr_attr *fmr_attr);
112 int ehca_map_phys_fmr(struct ib_fmr *fmr,
113 u64 *page_list, int list_len, u64 iova);
115 int ehca_unmap_fmr(struct list_head *fmr_list);
117 int ehca_dealloc_fmr(struct ib_fmr *fmr);
120 EHCA_EQ = 0, /* Event Queue */
121 EHCA_NEQ /* Notification Event Queue */
124 int ehca_create_eq(struct ehca_shca *shca, struct ehca_eq *eq,
125 enum ehca_eq_type type, const u32 length);
127 int ehca_destroy_eq(struct ehca_shca *shca, struct ehca_eq *eq);
129 void *ehca_poll_eq(struct ehca_shca *shca, struct ehca_eq *eq);
132 struct ib_cq *ehca_create_cq(struct ib_device *device,
133 const struct ib_cq_init_attr *attr,
134 struct ib_ucontext *context,
135 struct ib_udata *udata);
137 int ehca_destroy_cq(struct ib_cq *cq);
139 int ehca_resize_cq(struct ib_cq *cq, int cqe, struct ib_udata *udata);
141 int ehca_poll_cq(struct ib_cq *cq, int num_entries, struct ib_wc *wc);
143 int ehca_peek_cq(struct ib_cq *cq, int wc_cnt);
145 int ehca_req_notify_cq(struct ib_cq *cq, enum ib_cq_notify_flags notify_flags);
147 struct ib_qp *ehca_create_qp(struct ib_pd *pd,
148 struct ib_qp_init_attr *init_attr,
149 struct ib_udata *udata);
151 int ehca_destroy_qp(struct ib_qp *qp);
153 int ehca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask,
154 struct ib_udata *udata);
156 int ehca_query_qp(struct ib_qp *qp, struct ib_qp_attr *qp_attr,
157 int qp_attr_mask, struct ib_qp_init_attr *qp_init_attr);
159 int ehca_post_send(struct ib_qp *qp, struct ib_send_wr *send_wr,
160 struct ib_send_wr **bad_send_wr);
162 int ehca_post_recv(struct ib_qp *qp, struct ib_recv_wr *recv_wr,
163 struct ib_recv_wr **bad_recv_wr);
165 int ehca_post_srq_recv(struct ib_srq *srq,
166 struct ib_recv_wr *recv_wr,
167 struct ib_recv_wr **bad_recv_wr);
169 struct ib_srq *ehca_create_srq(struct ib_pd *pd,
170 struct ib_srq_init_attr *init_attr,
171 struct ib_udata *udata);
173 int ehca_modify_srq(struct ib_srq *srq, struct ib_srq_attr *attr,
174 enum ib_srq_attr_mask attr_mask, struct ib_udata *udata);
176 int ehca_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr);
178 int ehca_destroy_srq(struct ib_srq *srq);
180 u64 ehca_define_sqp(struct ehca_shca *shca, struct ehca_qp *ibqp,
181 struct ib_qp_init_attr *qp_init_attr);
183 int ehca_attach_mcast(struct ib_qp *qp, union ib_gid *gid, u16 lid);
185 int ehca_detach_mcast(struct ib_qp *qp, union ib_gid *gid, u16 lid);
187 struct ib_ucontext *ehca_alloc_ucontext(struct ib_device *device,
188 struct ib_udata *udata);
190 int ehca_dealloc_ucontext(struct ib_ucontext *context);
192 int ehca_mmap(struct ib_ucontext *context, struct vm_area_struct *vma);
194 int ehca_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
195 const struct ib_wc *in_wc, const struct ib_grh *in_grh,
196 const struct ib_mad *in_mad,
197 struct ib_mad *out_mad);
199 void ehca_poll_eqs(unsigned long data);
201 int ehca_calc_ipd(struct ehca_shca *shca, int port,
202 enum ib_rate path_rate, u32 *ipd);
204 void ehca_add_to_err_list(struct ehca_qp *qp, int on_sq);
206 #ifdef CONFIG_PPC_64K_PAGES
207 void *ehca_alloc_fw_ctrlblock(gfp_t flags);
208 void ehca_free_fw_ctrlblock(void *ptr);
210 #define ehca_alloc_fw_ctrlblock(flags) ((void *)get_zeroed_page(flags))
211 #define ehca_free_fw_ctrlblock(ptr) free_page((unsigned long)(ptr))
214 void ehca_recover_sqp(struct ib_qp *sqp);