Linux kernel & device driver programming

Cross-Referenced Linux and Device Driver Code

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Version: [ 2.6.11.8 ] [ 2.6.25 ] [ 2.6.25.8 ] [ 2.6.31.13 ] Architecture: [ i386 ]
  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 
 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 
116 enum ehca_eq_type {
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 
183 struct ib_ucontext *ehca_alloc_ucontext(struct ib_device *device,
184                                         struct ib_udata *udata);
185 
186 int ehca_dealloc_ucontext(struct ib_ucontext *context);
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 #ifdef CONFIG_PPC_64K_PAGES
201 void *ehca_alloc_fw_ctrlblock(gfp_t flags);
202 void ehca_free_fw_ctrlblock(void *ptr);
203 #else
204 #define ehca_alloc_fw_ctrlblock(flags) ((void *)get_zeroed_page(flags))
205 #define ehca_free_fw_ctrlblock(ptr) free_page((unsigned long)(ptr))
206 #endif
207 
208 void ehca_recover_sqp(struct ib_qp *sqp);
209 
210 #endif
211 
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