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1/*
2 * IBM eServer eHCA Infiniband device driver for Linux on POWER
3 *
4 * Struct definition for eHCA internal structures
5 *
6 * Authors: Heiko J Schick <schickhj@de.ibm.com>
7 * Christoph Raisch <raisch@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_CLASSES_H__
43#define __EHCA_CLASSES_H__
44
45#include "ehca_classes.h"
46#include "ipz_pt_fn.h"
47
48struct ehca_module;
49struct ehca_qp;
50struct ehca_cq;
51struct ehca_eq;
52struct ehca_mr;
53struct ehca_mw;
54struct ehca_pd;
55struct ehca_av;
56
57#ifdef CONFIG_PPC64
58#include "ehca_classes_pSeries.h"
59#endif
60
61#include <rdma/ib_verbs.h>
62#include <rdma/ib_user_verbs.h>
63
64#include "ehca_irq.h"
65
66struct ehca_eq {
67 u32 length;
68 struct ipz_queue ipz_queue;
69 struct ipz_eq_handle ipz_eq_handle;
70 struct work_struct work;
71 struct h_galpas galpas;
72 int is_initialized;
73 struct ehca_pfeq pf;
74 spinlock_t spinlock;
75 struct tasklet_struct interrupt_task;
76 u32 ist;
77};
78
79struct ehca_sport {
80 struct ib_cq *ibcq_aqp1;
81 struct ib_qp *ibqp_aqp1;
82 enum ib_rate rate;
83 enum ib_port_state port_state;
84};
85
86struct ehca_shca {
87 struct ib_device ib_device;
88 struct ibmebus_dev *ibmebus_dev;
89 u8 num_ports;
90 int hw_level;
91 struct list_head shca_list;
92 struct ipz_adapter_handle ipz_hca_handle;
93 struct ehca_sport sport[2];
94 struct ehca_eq eq;
95 struct ehca_eq neq;
96 struct ehca_mr *maxmr;
97 struct ehca_pd *pd;
98 struct h_galpas galpas;
99};
100
101struct ehca_pd {
102 struct ib_pd ib_pd;
103 struct ipz_pd fw_pd;
104 u32 ownpid;
105};
106
107struct ehca_qp {
108 struct ib_qp ib_qp;
109 u32 qp_type;
110 struct ipz_queue ipz_squeue;
111 struct ipz_queue ipz_rqueue;
112 struct h_galpas galpas;
113 u32 qkey;
114 u32 real_qp_num;
115 u32 token;
116 spinlock_t spinlock_s;
117 spinlock_t spinlock_r;
118 u32 sq_max_inline_data_size;
119 struct ipz_qp_handle ipz_qp_handle;
120 struct ehca_pfqp pf;
121 struct ib_qp_init_attr init_attr;
122 u64 uspace_squeue;
123 u64 uspace_rqueue;
124 u64 uspace_fwh;
125 struct ehca_cq *send_cq;
126 struct ehca_cq *recv_cq;
127 unsigned int sqerr_purgeflag;
128 struct hlist_node list_entries;
129};
130
131/* must be power of 2 */
132#define QP_HASHTAB_LEN 8
133
134struct ehca_cq {
135 struct ib_cq ib_cq;
136 struct ipz_queue ipz_queue;
137 struct h_galpas galpas;
138 spinlock_t spinlock;
139 u32 cq_number;
140 u32 token;
141 u32 nr_of_entries;
142 struct ipz_cq_handle ipz_cq_handle;
143 struct ehca_pfcq pf;
144 spinlock_t cb_lock;
145 u64 uspace_queue;
146 u64 uspace_fwh;
147 struct hlist_head qp_hashtab[QP_HASHTAB_LEN];
148 struct list_head entry;
149 u32 nr_callbacks;
150 spinlock_t task_lock;
151 u32 ownpid;
152};
153
154enum ehca_mr_flag {
155 EHCA_MR_FLAG_FMR = 0x80000000, /* FMR, created with ehca_alloc_fmr */
156 EHCA_MR_FLAG_MAXMR = 0x40000000, /* max-MR */
157};
158
159struct ehca_mr {
160 union {
161 struct ib_mr ib_mr; /* must always be first in ehca_mr */
162 struct ib_fmr ib_fmr; /* must always be first in ehca_mr */
163 } ib;
164 spinlock_t mrlock;
165
166 enum ehca_mr_flag flags;
167 u32 num_pages; /* number of MR pages */
168 u32 num_4k; /* number of 4k "page" portions to form MR */
169 int acl; /* ACL (stored here for usage in reregister) */
170 u64 *start; /* virtual start address (stored here for */
171 /* usage in reregister) */
172 u64 size; /* size (stored here for usage in reregister) */
173 u32 fmr_page_size; /* page size for FMR */
174 u32 fmr_max_pages; /* max pages for FMR */
175 u32 fmr_max_maps; /* max outstanding maps for FMR */
176 u32 fmr_map_cnt; /* map counter for FMR */
177 /* fw specific data */
178 struct ipz_mrmw_handle ipz_mr_handle; /* MR handle for h-calls */
179 struct h_galpas galpas;
180 /* data for userspace bridge */
181 u32 nr_of_pages;
182 void *pagearray;
183};
184
185struct ehca_mw {
186 struct ib_mw ib_mw; /* gen2 mw, must always be first in ehca_mw */
187 spinlock_t mwlock;
188
189 u8 never_bound; /* indication MW was never bound */
190 struct ipz_mrmw_handle ipz_mw_handle; /* MW handle for h-calls */
191 struct h_galpas galpas;
192};
193
194enum ehca_mr_pgi_type {
195 EHCA_MR_PGI_PHYS = 1, /* type of ehca_reg_phys_mr,
196 * ehca_rereg_phys_mr,
197 * ehca_reg_internal_maxmr */
198 EHCA_MR_PGI_USER = 2, /* type of ehca_reg_user_mr */
199 EHCA_MR_PGI_FMR = 3 /* type of ehca_map_phys_fmr */
200};
201
202struct ehca_mr_pginfo {
203 enum ehca_mr_pgi_type type;
204 u64 num_pages;
205 u64 page_cnt;
206 u64 num_4k; /* number of 4k "page" portions */
207 u64 page_4k_cnt; /* counter for 4k "page" portions */
208 u64 next_4k; /* next 4k "page" portion in buffer/chunk/listelem */
209
210 /* type EHCA_MR_PGI_PHYS section */
211 int num_phys_buf;
212 struct ib_phys_buf *phys_buf_array;
213 u64 next_buf;
214
215 /* type EHCA_MR_PGI_USER section */
216 struct ib_umem *region;
217 struct ib_umem_chunk *next_chunk;
218 u64 next_nmap;
219
220 /* type EHCA_MR_PGI_FMR section */
221 u64 *page_list;
222 u64 next_listelem;
223 /* next_4k also used within EHCA_MR_PGI_FMR */
224};
225
226/* output parameters for MR/FMR hipz calls */
227struct ehca_mr_hipzout_parms {
228 struct ipz_mrmw_handle handle;
229 u32 lkey;
230 u32 rkey;
231 u64 len;
232 u64 vaddr;
233 u32 acl;
234};
235
236/* output parameters for MW hipz calls */
237struct ehca_mw_hipzout_parms {
238 struct ipz_mrmw_handle handle;
239 u32 rkey;
240};
241
242struct ehca_av {
243 struct ib_ah ib_ah;
244 struct ehca_ud_av av;
245};
246
247struct ehca_ucontext {
248 struct ib_ucontext ib_ucontext;
249};
250
251struct ehca_module *ehca_module_new(void);
252
253int ehca_module_delete(struct ehca_module *me);
254
255int ehca_eq_ctor(struct ehca_eq *eq);
256
257int ehca_eq_dtor(struct ehca_eq *eq);
258
259struct ehca_shca *ehca_shca_new(void);
260
261int ehca_shca_delete(struct ehca_shca *me);
262
263struct ehca_sport *ehca_sport_new(struct ehca_shca *anchor);
264
265int ehca_init_pd_cache(void);
266void ehca_cleanup_pd_cache(void);
267int ehca_init_cq_cache(void);
268void ehca_cleanup_cq_cache(void);
269int ehca_init_qp_cache(void);
270void ehca_cleanup_qp_cache(void);
271int ehca_init_av_cache(void);
272void ehca_cleanup_av_cache(void);
273int ehca_init_mrmw_cache(void);
274void ehca_cleanup_mrmw_cache(void);
275
276extern spinlock_t ehca_qp_idr_lock;
277extern spinlock_t ehca_cq_idr_lock;
278extern struct idr ehca_qp_idr;
279extern struct idr ehca_cq_idr;
280
281extern int ehca_static_rate;
282extern int ehca_port_act_time;
283extern int ehca_use_hp_mr;
284
285struct ipzu_queue_resp {
286 u64 queue; /* points to first queue entry */
287 u32 qe_size; /* queue entry size */
288 u32 act_nr_of_sg;
289 u32 queue_length; /* queue length allocated in bytes */
290 u32 pagesize;
291 u32 toggle_state;
292 u32 dummy; /* padding for 8 byte alignment */
293};
294
295struct ehca_create_cq_resp {
296 u32 cq_number;
297 u32 token;
298 struct ipzu_queue_resp ipz_queue;
299 struct h_galpas galpas;
300};
301
302struct ehca_create_qp_resp {
303 u32 qp_num;
304 u32 token;
305 u32 qp_type;
306 u32 qkey;
307 /* qp_num assigned by ehca: sqp0/1 may have got different numbers */
308 u32 real_qp_num;
309 u32 dummy; /* padding for 8 byte alignment */
310 struct ipzu_queue_resp ipz_squeue;
311 struct ipzu_queue_resp ipz_rqueue;
312 struct h_galpas galpas;
313};
314
315struct ehca_alloc_cq_parms {
316 u32 nr_cqe;
317 u32 act_nr_of_entries;
318 u32 act_pages;
319 struct ipz_eq_handle eq_handle;
320};
321
322struct ehca_alloc_qp_parms {
323 int servicetype;
324 int sigtype;
325 int daqp_ctrl;
326 int max_send_sge;
327 int max_recv_sge;
328 int ud_av_l_key_ctl;
329
330 u16 act_nr_send_wqes;
331 u16 act_nr_recv_wqes;
332 u8 act_nr_recv_sges;
333 u8 act_nr_send_sges;
334
335 u32 nr_rq_pages;
336 u32 nr_sq_pages;
337
338 struct ipz_eq_handle ipz_eq_handle;
339 struct ipz_pd pd;
340};
341
342int ehca_cq_assign_qp(struct ehca_cq *cq, struct ehca_qp *qp);
343int ehca_cq_unassign_qp(struct ehca_cq *cq, unsigned int qp_num);
344struct ehca_qp* ehca_cq_get_qp(struct ehca_cq *cq, int qp_num);
345
346#endif
generated by cgit v1.2.2 (git 2.25.0) at 2025-02-06 20:58:29 -0500