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 <schickhj@de.ibm.com>
  7 *           Dietmar Decker <ddecker@de.ibm.com>
  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
 47int ehca_query_device(struct ib_device *ibdev, struct ib_device_attr *props);
 48
 49int ehca_query_port(struct ib_device *ibdev, u8 port,
 50		    struct ib_port_attr *props);
 51
 52int ehca_query_sma_attr(struct ehca_shca *shca, u8 port,
 53			struct ehca_sma_attr *attr);
 54
 55int ehca_query_pkey(struct ib_device *ibdev, u8 port, u16 index, u16 * pkey);
 56
 57int ehca_query_gid(struct ib_device *ibdev, u8 port, int index,
 58		   union ib_gid *gid);
 59
 60int ehca_modify_port(struct ib_device *ibdev, u8 port, int port_modify_mask,
 61		     struct ib_port_modify *props);
 62
 63struct ib_pd *ehca_alloc_pd(struct ib_device *device,
 64			    struct ib_ucontext *context,
 65			    struct ib_udata *udata);
 66
 67int ehca_dealloc_pd(struct ib_pd *pd);
 68
 69struct ib_ah *ehca_create_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr);
 70
 71int ehca_modify_ah(struct ib_ah *ah, struct ib_ah_attr *ah_attr);
 72
 73int ehca_query_ah(struct ib_ah *ah, struct ib_ah_attr *ah_attr);
 74
 75int ehca_destroy_ah(struct ib_ah *ah);
 76
 77struct ib_mr *ehca_get_dma_mr(struct ib_pd *pd, int mr_access_flags);
 78
 79struct 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
 84struct 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
 88int 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
 94int ehca_query_mr(struct ib_mr *mr, struct ib_mr_attr *mr_attr);
 95
 96int ehca_dereg_mr(struct ib_mr *mr);
 97
 98struct ib_mw *ehca_alloc_mw(struct ib_pd *pd);
 99
100int ehca_bind_mw(struct ib_qp *qp, struct ib_mw *mw,
101		 struct ib_mw_bind *mw_bind);
102
103int ehca_dealloc_mw(struct ib_mw *mw);
104
105struct ib_fmr *ehca_alloc_fmr(struct ib_pd *pd,
106			      int mr_access_flags,
107			      struct ib_fmr_attr *fmr_attr);
108
109int ehca_map_phys_fmr(struct ib_fmr *fmr,
110		      u64 *page_list, int list_len, u64 iova);
111
112int ehca_unmap_fmr(struct list_head *fmr_list);
113
114int ehca_dealloc_fmr(struct ib_fmr *fmr);
115
116enum ehca_eq_type {
117	EHCA_EQ = 0, /* Event Queue              */
118	EHCA_NEQ     /* Notification Event Queue */
119};
120
121int ehca_create_eq(struct ehca_shca *shca, struct ehca_eq *eq,
122		   enum ehca_eq_type type, const u32 length);
123
124int ehca_destroy_eq(struct ehca_shca *shca, struct ehca_eq *eq);
125
126void *ehca_poll_eq(struct ehca_shca *shca, struct ehca_eq *eq);
127
128
129struct 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
133int ehca_destroy_cq(struct ib_cq *cq);
134
135int ehca_resize_cq(struct ib_cq *cq, int cqe, struct ib_udata *udata);
136
137int ehca_poll_cq(struct ib_cq *cq, int num_entries, struct ib_wc *wc);
138
139int ehca_peek_cq(struct ib_cq *cq, int wc_cnt);
140
141int ehca_req_notify_cq(struct ib_cq *cq, enum ib_cq_notify_flags notify_flags);
142
143struct ib_qp *ehca_create_qp(struct ib_pd *pd,
144			     struct ib_qp_init_attr *init_attr,
145			     struct ib_udata *udata);
146
147int ehca_destroy_qp(struct ib_qp *qp);
148
149int ehca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask,
150		   struct ib_udata *udata);
151
152int 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
155int ehca_post_send(struct ib_qp *qp, struct ib_send_wr *send_wr,
156		   struct ib_send_wr **bad_send_wr);
157
158int ehca_post_recv(struct ib_qp *qp, struct ib_recv_wr *recv_wr,
159		   struct ib_recv_wr **bad_recv_wr);
160
161int ehca_post_srq_recv(struct ib_srq *srq,
162		       struct ib_recv_wr *recv_wr,
163		       struct ib_recv_wr **bad_recv_wr);
164
165struct ib_srq *ehca_create_srq(struct ib_pd *pd,
166			       struct ib_srq_init_attr *init_attr,
167			       struct ib_udata *udata);
168
169int 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
172int ehca_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr);
173
174int ehca_destroy_srq(struct ib_srq *srq);
175
176u64 ehca_define_sqp(struct ehca_shca *shca, struct ehca_qp *ibqp,
177		    struct ib_qp_init_attr *qp_init_attr);
178
179int ehca_attach_mcast(struct ib_qp *qp, union ib_gid *gid, u16 lid);
180
181int ehca_detach_mcast(struct ib_qp *qp, union ib_gid *gid, u16 lid);
182
183struct ib_ucontext *ehca_alloc_ucontext(struct ib_device *device,
184					struct ib_udata *udata);
185
186int ehca_dealloc_ucontext(struct ib_ucontext *context);
187
188int ehca_mmap(struct ib_ucontext *context, struct vm_area_struct *vma);
189
190int 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
195void ehca_poll_eqs(unsigned long data);
196
197int ehca_calc_ipd(struct ehca_shca *shca, int port,
198		  enum ib_rate path_rate, u32 *ipd);
199
200void ehca_add_to_err_list(struct ehca_qp *qp, int on_sq);
201
202#ifdef CONFIG_PPC_64K_PAGES
203void *ehca_alloc_fw_ctrlblock(gfp_t flags);
204void 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
210void ehca_recover_sqp(struct ib_qp *sqp);
211
212#endif