2 * IBM eServer eHCA Infiniband device driver for Linux on POWER
4 * Struct definition for eHCA internal structures
6 * Authors: Heiko J Schick <schickhj@de.ibm.com>
7 * Christoph Raisch <raisch@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_CLASSES_H__
43 #define __EHCA_CLASSES_H__
55 #include <rdma/ib_verbs.h>
56 #include <rdma/ib_user_verbs.h>
59 #include "ehca_classes_pSeries.h"
61 #include "ipz_pt_fn.h"
65 #define EHCA_EQE_CACHE_SIZE 20
67 struct ehca_eqe_cache_entry
{
74 struct ipz_queue ipz_queue
;
75 struct ipz_eq_handle ipz_eq_handle
;
76 struct work_struct work
;
77 struct h_galpas galpas
;
81 struct tasklet_struct interrupt_task
;
83 spinlock_t irq_spinlock
;
84 struct ehca_eqe_cache_entry eqe_cache
[EHCA_EQE_CACHE_SIZE
];
88 struct ib_cq
*ibcq_aqp1
;
89 struct ib_qp
*ibqp_aqp1
;
91 enum ib_port_state port_state
;
95 struct ib_device ib_device
;
96 struct ibmebus_dev
*ibmebus_dev
;
99 struct list_head shca_list
;
100 struct ipz_adapter_handle ipz_hca_handle
;
101 struct ehca_sport sport
[2];
104 struct ehca_mr
*maxmr
;
106 struct h_galpas galpas
;
118 struct ipz_queue ipz_squeue
;
119 struct ipz_queue ipz_rqueue
;
120 struct h_galpas galpas
;
124 spinlock_t spinlock_s
;
125 spinlock_t spinlock_r
;
126 u32 sq_max_inline_data_size
;
127 struct ipz_qp_handle ipz_qp_handle
;
129 struct ib_qp_init_attr init_attr
;
130 struct ehca_cq
*send_cq
;
131 struct ehca_cq
*recv_cq
;
132 unsigned int sqerr_purgeflag
;
133 struct hlist_node list_entries
;
134 /* mmap counter for resources mapped into user space */
140 /* must be power of 2 */
141 #define QP_HASHTAB_LEN 8
145 struct ipz_queue ipz_queue
;
146 struct h_galpas galpas
;
151 struct ipz_cq_handle ipz_cq_handle
;
154 struct hlist_head qp_hashtab
[QP_HASHTAB_LEN
];
155 struct list_head entry
;
157 spinlock_t task_lock
;
159 /* mmap counter for resources mapped into user space */
165 EHCA_MR_FLAG_FMR
= 0x80000000, /* FMR, created with ehca_alloc_fmr */
166 EHCA_MR_FLAG_MAXMR
= 0x40000000, /* max-MR */
171 struct ib_mr ib_mr
; /* must always be first in ehca_mr */
172 struct ib_fmr ib_fmr
; /* must always be first in ehca_mr */
176 enum ehca_mr_flag flags
;
177 u32 num_pages
; /* number of MR pages */
178 u32 num_4k
; /* number of 4k "page" portions to form MR */
179 int acl
; /* ACL (stored here for usage in reregister) */
180 u64
*start
; /* virtual start address (stored here for */
181 /* usage in reregister) */
182 u64 size
; /* size (stored here for usage in reregister) */
183 u32 fmr_page_size
; /* page size for FMR */
184 u32 fmr_max_pages
; /* max pages for FMR */
185 u32 fmr_max_maps
; /* max outstanding maps for FMR */
186 u32 fmr_map_cnt
; /* map counter for FMR */
187 /* fw specific data */
188 struct ipz_mrmw_handle ipz_mr_handle
; /* MR handle for h-calls */
189 struct h_galpas galpas
;
190 /* data for userspace bridge */
196 struct ib_mw ib_mw
; /* gen2 mw, must always be first in ehca_mw */
199 u8 never_bound
; /* indication MW was never bound */
200 struct ipz_mrmw_handle ipz_mw_handle
; /* MW handle for h-calls */
201 struct h_galpas galpas
;
204 enum ehca_mr_pgi_type
{
205 EHCA_MR_PGI_PHYS
= 1, /* type of ehca_reg_phys_mr,
206 * ehca_rereg_phys_mr,
207 * ehca_reg_internal_maxmr */
208 EHCA_MR_PGI_USER
= 2, /* type of ehca_reg_user_mr */
209 EHCA_MR_PGI_FMR
= 3 /* type of ehca_map_phys_fmr */
212 struct ehca_mr_pginfo
{
213 enum ehca_mr_pgi_type type
;
216 u64 num_4k
; /* number of 4k "page" portions */
217 u64 page_4k_cnt
; /* counter for 4k "page" portions */
218 u64 next_4k
; /* next 4k "page" portion in buffer/chunk/listelem */
220 /* type EHCA_MR_PGI_PHYS section */
222 struct ib_phys_buf
*phys_buf_array
;
225 /* type EHCA_MR_PGI_USER section */
226 struct ib_umem
*region
;
227 struct ib_umem_chunk
*next_chunk
;
230 /* type EHCA_MR_PGI_FMR section */
233 /* next_4k also used within EHCA_MR_PGI_FMR */
236 /* output parameters for MR/FMR hipz calls */
237 struct ehca_mr_hipzout_parms
{
238 struct ipz_mrmw_handle handle
;
246 /* output parameters for MW hipz calls */
247 struct ehca_mw_hipzout_parms
{
248 struct ipz_mrmw_handle handle
;
254 struct ehca_ud_av av
;
257 struct ehca_ucontext
{
258 struct ib_ucontext ib_ucontext
;
261 int ehca_init_pd_cache(void);
262 void ehca_cleanup_pd_cache(void);
263 int ehca_init_cq_cache(void);
264 void ehca_cleanup_cq_cache(void);
265 int ehca_init_qp_cache(void);
266 void ehca_cleanup_qp_cache(void);
267 int ehca_init_av_cache(void);
268 void ehca_cleanup_av_cache(void);
269 int ehca_init_mrmw_cache(void);
270 void ehca_cleanup_mrmw_cache(void);
272 extern spinlock_t ehca_qp_idr_lock
;
273 extern spinlock_t ehca_cq_idr_lock
;
274 extern struct idr ehca_qp_idr
;
275 extern struct idr ehca_cq_idr
;
277 extern int ehca_static_rate
;
278 extern int ehca_port_act_time
;
279 extern int ehca_use_hp_mr
;
280 extern int ehca_scaling_code
;
282 struct ipzu_queue_resp
{
283 u32 qe_size
; /* queue entry size */
285 u32 queue_length
; /* queue length allocated in bytes */
288 u32 dummy
; /* padding for 8 byte alignment */
291 struct ehca_create_cq_resp
{
294 struct ipzu_queue_resp ipz_queue
;
297 struct ehca_create_qp_resp
{
302 /* qp_num assigned by ehca: sqp0/1 may have got different numbers */
304 u32 dummy
; /* padding for 8 byte alignment */
305 struct ipzu_queue_resp ipz_squeue
;
306 struct ipzu_queue_resp ipz_rqueue
;
309 struct ehca_alloc_cq_parms
{
311 u32 act_nr_of_entries
;
313 struct ipz_eq_handle eq_handle
;
316 struct ehca_alloc_qp_parms
{
324 u16 act_nr_send_wqes
;
325 u16 act_nr_recv_wqes
;
332 struct ipz_eq_handle ipz_eq_handle
;
336 int ehca_cq_assign_qp(struct ehca_cq
*cq
, struct ehca_qp
*qp
);
337 int ehca_cq_unassign_qp(struct ehca_cq
*cq
, unsigned int qp_num
);
338 struct ehca_qp
* ehca_cq_get_qp(struct ehca_cq
*cq
, int qp_num
);