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225c7b1f RD |
1 | /* |
2 | * Copyright (c) 2006, 2007 Cisco Systems. All rights reserved. | |
51a379d0 | 3 | * Copyright (c) 2007, 2008 Mellanox Technologies. All rights reserved. |
225c7b1f RD |
4 | * |
5 | * This software is available to you under a choice of one of two | |
6 | * licenses. You may choose to be licensed under the terms of the GNU | |
7 | * General Public License (GPL) Version 2, available from the file | |
8 | * COPYING in the main directory of this source tree, or the | |
9 | * OpenIB.org BSD license below: | |
10 | * | |
11 | * Redistribution and use in source and binary forms, with or | |
12 | * without modification, are permitted provided that the following | |
13 | * conditions are met: | |
14 | * | |
15 | * - Redistributions of source code must retain the above | |
16 | * copyright notice, this list of conditions and the following | |
17 | * disclaimer. | |
18 | * | |
19 | * - Redistributions in binary form must reproduce the above | |
20 | * copyright notice, this list of conditions and the following | |
21 | * disclaimer in the documentation and/or other materials | |
22 | * provided with the distribution. | |
23 | * | |
24 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
25 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
26 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
27 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS | |
28 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN | |
29 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
30 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
31 | * SOFTWARE. | |
32 | */ | |
33 | ||
34 | #ifndef MLX4_IB_H | |
35 | #define MLX4_IB_H | |
36 | ||
37 | #include <linux/compiler.h> | |
38 | #include <linux/list.h> | |
63019d93 | 39 | #include <linux/mutex.h> |
225c7b1f RD |
40 | |
41 | #include <rdma/ib_verbs.h> | |
42 | #include <rdma/ib_umem.h> | |
43 | ||
44 | #include <linux/mlx4/device.h> | |
45 | #include <linux/mlx4/doorbell.h> | |
46 | ||
225c7b1f RD |
47 | struct mlx4_ib_ucontext { |
48 | struct ib_ucontext ibucontext; | |
49 | struct mlx4_uar uar; | |
50 | struct list_head db_page_list; | |
51 | struct mutex db_page_mutex; | |
52 | }; | |
53 | ||
54 | struct mlx4_ib_pd { | |
55 | struct ib_pd ibpd; | |
56 | u32 pdn; | |
57 | }; | |
58 | ||
012a8ff5 SH |
59 | struct mlx4_ib_xrcd { |
60 | struct ib_xrcd ibxrcd; | |
61 | u32 xrcdn; | |
62 | struct ib_pd *pd; | |
63 | struct ib_cq *cq; | |
64 | }; | |
65 | ||
225c7b1f RD |
66 | struct mlx4_ib_cq_buf { |
67 | struct mlx4_buf buf; | |
68 | struct mlx4_mtt mtt; | |
69 | }; | |
70 | ||
bbf8eed1 VS |
71 | struct mlx4_ib_cq_resize { |
72 | struct mlx4_ib_cq_buf buf; | |
73 | int cqe; | |
74 | }; | |
75 | ||
225c7b1f RD |
76 | struct mlx4_ib_cq { |
77 | struct ib_cq ibcq; | |
78 | struct mlx4_cq mcq; | |
79 | struct mlx4_ib_cq_buf buf; | |
bbf8eed1 | 80 | struct mlx4_ib_cq_resize *resize_buf; |
6296883c | 81 | struct mlx4_db db; |
225c7b1f | 82 | spinlock_t lock; |
bbf8eed1 | 83 | struct mutex resize_mutex; |
225c7b1f | 84 | struct ib_umem *umem; |
bbf8eed1 | 85 | struct ib_umem *resize_umem; |
225c7b1f RD |
86 | }; |
87 | ||
88 | struct mlx4_ib_mr { | |
89 | struct ib_mr ibmr; | |
90 | struct mlx4_mr mmr; | |
91 | struct ib_umem *umem; | |
92 | }; | |
93 | ||
95d04f07 RD |
94 | struct mlx4_ib_fast_reg_page_list { |
95 | struct ib_fast_reg_page_list ibfrpl; | |
2b6b7d4b | 96 | __be64 *mapped_page_list; |
95d04f07 RD |
97 | dma_addr_t map; |
98 | }; | |
99 | ||
8ad11fb6 JM |
100 | struct mlx4_ib_fmr { |
101 | struct ib_fmr ibfmr; | |
102 | struct mlx4_fmr mfmr; | |
103 | }; | |
104 | ||
225c7b1f RD |
105 | struct mlx4_ib_wq { |
106 | u64 *wrid; | |
107 | spinlock_t lock; | |
0e6e7416 RD |
108 | int wqe_cnt; |
109 | int max_post; | |
225c7b1f RD |
110 | int max_gs; |
111 | int offset; | |
112 | int wqe_shift; | |
113 | unsigned head; | |
114 | unsigned tail; | |
115 | }; | |
116 | ||
b832be1e | 117 | enum mlx4_ib_qp_flags { |
521e575b RL |
118 | MLX4_IB_QP_LSO = 1 << 0, |
119 | MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK = 1 << 1, | |
b832be1e EC |
120 | }; |
121 | ||
fa417f7b EC |
122 | struct mlx4_ib_gid_entry { |
123 | struct list_head list; | |
124 | union ib_gid gid; | |
125 | int added; | |
126 | u8 port; | |
127 | }; | |
128 | ||
225c7b1f RD |
129 | struct mlx4_ib_qp { |
130 | struct ib_qp ibqp; | |
131 | struct mlx4_qp mqp; | |
132 | struct mlx4_buf buf; | |
133 | ||
6296883c | 134 | struct mlx4_db db; |
225c7b1f RD |
135 | struct mlx4_ib_wq rq; |
136 | ||
137 | u32 doorbell_qpn; | |
138 | __be32 sq_signal_bits; | |
ea54b10c JM |
139 | unsigned sq_next_wqe; |
140 | int sq_max_wqes_per_wr; | |
0e6e7416 | 141 | int sq_spare_wqes; |
225c7b1f RD |
142 | struct mlx4_ib_wq sq; |
143 | ||
144 | struct ib_umem *umem; | |
145 | struct mlx4_mtt mtt; | |
146 | int buf_size; | |
147 | struct mutex mutex; | |
b832be1e | 148 | u32 flags; |
225c7b1f RD |
149 | u8 port; |
150 | u8 alt_port; | |
151 | u8 atomic_rd_en; | |
152 | u8 resp_depth; | |
0e6e7416 | 153 | u8 sq_no_prefetch; |
225c7b1f | 154 | u8 state; |
fa417f7b EC |
155 | int mlx_type; |
156 | struct list_head gid_list; | |
225c7b1f RD |
157 | }; |
158 | ||
159 | struct mlx4_ib_srq { | |
160 | struct ib_srq ibsrq; | |
161 | struct mlx4_srq msrq; | |
162 | struct mlx4_buf buf; | |
6296883c | 163 | struct mlx4_db db; |
225c7b1f RD |
164 | u64 *wrid; |
165 | spinlock_t lock; | |
166 | int head; | |
167 | int tail; | |
168 | u16 wqe_ctr; | |
169 | struct ib_umem *umem; | |
170 | struct mlx4_mtt mtt; | |
171 | struct mutex mutex; | |
172 | }; | |
173 | ||
174 | struct mlx4_ib_ah { | |
175 | struct ib_ah ibah; | |
fa417f7b EC |
176 | union mlx4_ext_av av; |
177 | }; | |
178 | ||
179 | struct mlx4_ib_iboe { | |
180 | spinlock_t lock; | |
181 | struct net_device *netdevs[MLX4_MAX_PORTS]; | |
182 | struct notifier_block nb; | |
183 | union ib_gid gid_table[MLX4_MAX_PORTS][128]; | |
225c7b1f RD |
184 | }; |
185 | ||
186 | struct mlx4_ib_dev { | |
187 | struct ib_device ib_dev; | |
188 | struct mlx4_dev *dev; | |
7ff93f8b | 189 | int num_ports; |
225c7b1f RD |
190 | void __iomem *uar_map; |
191 | ||
225c7b1f RD |
192 | struct mlx4_uar priv_uar; |
193 | u32 priv_pdn; | |
194 | MLX4_DECLARE_DOORBELL_LOCK(uar_lock); | |
195 | ||
196 | struct ib_mad_agent *send_agent[MLX4_MAX_PORTS][2]; | |
197 | struct ib_ah *sm_ah[MLX4_MAX_PORTS]; | |
198 | spinlock_t sm_lock; | |
199 | ||
200 | struct mutex cap_mask_mutex; | |
3b4a8cd5 | 201 | bool ib_active; |
fa417f7b | 202 | struct mlx4_ib_iboe iboe; |
cfcde11c | 203 | int counters[MLX4_MAX_PORTS]; |
225c7b1f RD |
204 | }; |
205 | ||
206 | static inline struct mlx4_ib_dev *to_mdev(struct ib_device *ibdev) | |
207 | { | |
208 | return container_of(ibdev, struct mlx4_ib_dev, ib_dev); | |
209 | } | |
210 | ||
211 | static inline struct mlx4_ib_ucontext *to_mucontext(struct ib_ucontext *ibucontext) | |
212 | { | |
213 | return container_of(ibucontext, struct mlx4_ib_ucontext, ibucontext); | |
214 | } | |
215 | ||
216 | static inline struct mlx4_ib_pd *to_mpd(struct ib_pd *ibpd) | |
217 | { | |
218 | return container_of(ibpd, struct mlx4_ib_pd, ibpd); | |
219 | } | |
220 | ||
012a8ff5 SH |
221 | static inline struct mlx4_ib_xrcd *to_mxrcd(struct ib_xrcd *ibxrcd) |
222 | { | |
223 | return container_of(ibxrcd, struct mlx4_ib_xrcd, ibxrcd); | |
224 | } | |
225 | ||
225c7b1f RD |
226 | static inline struct mlx4_ib_cq *to_mcq(struct ib_cq *ibcq) |
227 | { | |
228 | return container_of(ibcq, struct mlx4_ib_cq, ibcq); | |
229 | } | |
230 | ||
231 | static inline struct mlx4_ib_cq *to_mibcq(struct mlx4_cq *mcq) | |
232 | { | |
233 | return container_of(mcq, struct mlx4_ib_cq, mcq); | |
234 | } | |
235 | ||
236 | static inline struct mlx4_ib_mr *to_mmr(struct ib_mr *ibmr) | |
237 | { | |
238 | return container_of(ibmr, struct mlx4_ib_mr, ibmr); | |
239 | } | |
240 | ||
95d04f07 RD |
241 | static inline struct mlx4_ib_fast_reg_page_list *to_mfrpl(struct ib_fast_reg_page_list *ibfrpl) |
242 | { | |
243 | return container_of(ibfrpl, struct mlx4_ib_fast_reg_page_list, ibfrpl); | |
244 | } | |
245 | ||
8ad11fb6 JM |
246 | static inline struct mlx4_ib_fmr *to_mfmr(struct ib_fmr *ibfmr) |
247 | { | |
248 | return container_of(ibfmr, struct mlx4_ib_fmr, ibfmr); | |
249 | } | |
225c7b1f RD |
250 | static inline struct mlx4_ib_qp *to_mqp(struct ib_qp *ibqp) |
251 | { | |
252 | return container_of(ibqp, struct mlx4_ib_qp, ibqp); | |
253 | } | |
254 | ||
255 | static inline struct mlx4_ib_qp *to_mibqp(struct mlx4_qp *mqp) | |
256 | { | |
257 | return container_of(mqp, struct mlx4_ib_qp, mqp); | |
258 | } | |
259 | ||
260 | static inline struct mlx4_ib_srq *to_msrq(struct ib_srq *ibsrq) | |
261 | { | |
262 | return container_of(ibsrq, struct mlx4_ib_srq, ibsrq); | |
263 | } | |
264 | ||
265 | static inline struct mlx4_ib_srq *to_mibsrq(struct mlx4_srq *msrq) | |
266 | { | |
267 | return container_of(msrq, struct mlx4_ib_srq, msrq); | |
268 | } | |
269 | ||
270 | static inline struct mlx4_ib_ah *to_mah(struct ib_ah *ibah) | |
271 | { | |
272 | return container_of(ibah, struct mlx4_ib_ah, ibah); | |
273 | } | |
274 | ||
225c7b1f | 275 | int mlx4_ib_db_map_user(struct mlx4_ib_ucontext *context, unsigned long virt, |
6296883c YP |
276 | struct mlx4_db *db); |
277 | void mlx4_ib_db_unmap_user(struct mlx4_ib_ucontext *context, struct mlx4_db *db); | |
225c7b1f RD |
278 | |
279 | struct ib_mr *mlx4_ib_get_dma_mr(struct ib_pd *pd, int acc); | |
280 | int mlx4_ib_umem_write_mtt(struct mlx4_ib_dev *dev, struct mlx4_mtt *mtt, | |
281 | struct ib_umem *umem); | |
282 | struct ib_mr *mlx4_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length, | |
283 | u64 virt_addr, int access_flags, | |
284 | struct ib_udata *udata); | |
285 | int mlx4_ib_dereg_mr(struct ib_mr *mr); | |
95d04f07 RD |
286 | struct ib_mr *mlx4_ib_alloc_fast_reg_mr(struct ib_pd *pd, |
287 | int max_page_list_len); | |
288 | struct ib_fast_reg_page_list *mlx4_ib_alloc_fast_reg_page_list(struct ib_device *ibdev, | |
289 | int page_list_len); | |
290 | void mlx4_ib_free_fast_reg_page_list(struct ib_fast_reg_page_list *page_list); | |
225c7b1f | 291 | |
3fdcb97f | 292 | int mlx4_ib_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period); |
bbf8eed1 | 293 | int mlx4_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata); |
225c7b1f RD |
294 | struct ib_cq *mlx4_ib_create_cq(struct ib_device *ibdev, int entries, int vector, |
295 | struct ib_ucontext *context, | |
296 | struct ib_udata *udata); | |
297 | int mlx4_ib_destroy_cq(struct ib_cq *cq); | |
298 | int mlx4_ib_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc); | |
299 | int mlx4_ib_arm_cq(struct ib_cq *cq, enum ib_cq_notify_flags flags); | |
300 | void __mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq); | |
301 | void mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq); | |
302 | ||
303 | struct ib_ah *mlx4_ib_create_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr); | |
304 | int mlx4_ib_query_ah(struct ib_ah *ibah, struct ib_ah_attr *ah_attr); | |
305 | int mlx4_ib_destroy_ah(struct ib_ah *ah); | |
306 | ||
307 | struct ib_srq *mlx4_ib_create_srq(struct ib_pd *pd, | |
308 | struct ib_srq_init_attr *init_attr, | |
309 | struct ib_udata *udata); | |
310 | int mlx4_ib_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr, | |
311 | enum ib_srq_attr_mask attr_mask, struct ib_udata *udata); | |
65541cb7 | 312 | int mlx4_ib_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr); |
225c7b1f RD |
313 | int mlx4_ib_destroy_srq(struct ib_srq *srq); |
314 | void mlx4_ib_free_srq_wqe(struct mlx4_ib_srq *srq, int wqe_index); | |
315 | int mlx4_ib_post_srq_recv(struct ib_srq *ibsrq, struct ib_recv_wr *wr, | |
316 | struct ib_recv_wr **bad_wr); | |
317 | ||
318 | struct ib_qp *mlx4_ib_create_qp(struct ib_pd *pd, | |
319 | struct ib_qp_init_attr *init_attr, | |
320 | struct ib_udata *udata); | |
321 | int mlx4_ib_destroy_qp(struct ib_qp *qp); | |
322 | int mlx4_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, | |
323 | int attr_mask, struct ib_udata *udata); | |
6a775e2b JM |
324 | int mlx4_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr_mask, |
325 | struct ib_qp_init_attr *qp_init_attr); | |
225c7b1f RD |
326 | int mlx4_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, |
327 | struct ib_send_wr **bad_wr); | |
328 | int mlx4_ib_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *wr, | |
329 | struct ib_recv_wr **bad_wr); | |
330 | ||
331 | int mlx4_MAD_IFC(struct mlx4_ib_dev *dev, int ignore_mkey, int ignore_bkey, | |
332 | int port, struct ib_wc *in_wc, struct ib_grh *in_grh, | |
333 | void *in_mad, void *response_mad); | |
334 | int mlx4_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num, | |
335 | struct ib_wc *in_wc, struct ib_grh *in_grh, | |
336 | struct ib_mad *in_mad, struct ib_mad *out_mad); | |
337 | int mlx4_ib_mad_init(struct mlx4_ib_dev *dev); | |
338 | void mlx4_ib_mad_cleanup(struct mlx4_ib_dev *dev); | |
339 | ||
8ad11fb6 JM |
340 | struct ib_fmr *mlx4_ib_fmr_alloc(struct ib_pd *pd, int mr_access_flags, |
341 | struct ib_fmr_attr *fmr_attr); | |
342 | int mlx4_ib_map_phys_fmr(struct ib_fmr *ibfmr, u64 *page_list, int npages, | |
343 | u64 iova); | |
344 | int mlx4_ib_unmap_fmr(struct list_head *fmr_list); | |
345 | int mlx4_ib_fmr_dealloc(struct ib_fmr *fmr); | |
346 | ||
fa417f7b EC |
347 | int mlx4_ib_resolve_grh(struct mlx4_ib_dev *dev, const struct ib_ah_attr *ah_attr, |
348 | u8 *mac, int *is_mcast, u8 port); | |
349 | ||
225c7b1f RD |
350 | static inline int mlx4_ib_ah_grh_present(struct mlx4_ib_ah *ah) |
351 | { | |
fa417f7b EC |
352 | u8 port = be32_to_cpu(ah->av.ib.port_pd) >> 24 & 3; |
353 | ||
354 | if (rdma_port_get_link_layer(ah->ibah.device, port) == IB_LINK_LAYER_ETHERNET) | |
355 | return 1; | |
356 | ||
357 | return !!(ah->av.ib.g_slid & 0x80); | |
225c7b1f RD |
358 | } |
359 | ||
fa417f7b EC |
360 | int mlx4_ib_add_mc(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp, |
361 | union ib_gid *gid); | |
362 | ||
225c7b1f | 363 | #endif /* MLX4_IB_H */ |