2 * Copyright (c) 2006, 2007 Cisco Systems. All rights reserved.
3 * Copyright (c) 2007, 2008 Mellanox Technologies. All rights reserved.
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:
11 * Redistribution and use in source and binary forms, with or
12 * without modification, are permitted provided that the following
15 * - Redistributions of source code must retain the above
16 * copyright notice, this list of conditions and the following
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.
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
37 #include <linux/compiler.h>
38 #include <linux/list.h>
39 #include <linux/mutex.h>
41 #include <rdma/ib_verbs.h>
42 #include <rdma/ib_umem.h>
44 #include <linux/mlx4/device.h>
45 #include <linux/mlx4/doorbell.h>
47 struct mlx4_ib_ucontext
{
48 struct ib_ucontext ibucontext
;
50 struct list_head db_page_list
;
51 struct mutex db_page_mutex
;
60 struct ib_xrcd ibxrcd
;
66 struct mlx4_ib_cq_buf
{
71 struct mlx4_ib_cq_resize
{
72 struct mlx4_ib_cq_buf buf
;
79 struct mlx4_ib_cq_buf buf
;
80 struct mlx4_ib_cq_resize
*resize_buf
;
83 struct mutex resize_mutex
;
85 struct ib_umem
*resize_umem
;
94 struct mlx4_ib_fast_reg_page_list
{
95 struct ib_fast_reg_page_list ibfrpl
;
96 __be64
*mapped_page_list
;
102 struct mlx4_fmr mfmr
;
117 enum mlx4_ib_qp_flags
{
118 MLX4_IB_QP_LSO
= 1 << 0,
119 MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK
= 1 << 1,
122 struct mlx4_ib_gid_entry
{
123 struct list_head list
;
135 struct mlx4_ib_wq rq
;
138 __be32 sq_signal_bits
;
139 unsigned sq_next_wqe
;
140 int sq_max_wqes_per_wr
;
142 struct mlx4_ib_wq sq
;
144 struct ib_umem
*umem
;
157 struct list_head gid_list
;
162 struct mlx4_srq msrq
;
170 struct ib_umem
*umem
;
177 union mlx4_ext_av av
;
180 struct mlx4_ib_iboe
{
182 struct net_device
*netdevs
[MLX4_MAX_PORTS
];
183 struct notifier_block nb
;
184 union ib_gid gid_table
[MLX4_MAX_PORTS
][128];
188 struct ib_device ib_dev
;
189 struct mlx4_dev
*dev
;
191 void __iomem
*uar_map
;
193 struct mlx4_uar priv_uar
;
195 MLX4_DECLARE_DOORBELL_LOCK(uar_lock
);
197 struct ib_mad_agent
*send_agent
[MLX4_MAX_PORTS
][2];
198 struct ib_ah
*sm_ah
[MLX4_MAX_PORTS
];
201 struct mutex cap_mask_mutex
;
203 struct mlx4_ib_iboe iboe
;
204 int counters
[MLX4_MAX_PORTS
];
207 static inline struct mlx4_ib_dev
*to_mdev(struct ib_device
*ibdev
)
209 return container_of(ibdev
, struct mlx4_ib_dev
, ib_dev
);
212 static inline struct mlx4_ib_ucontext
*to_mucontext(struct ib_ucontext
*ibucontext
)
214 return container_of(ibucontext
, struct mlx4_ib_ucontext
, ibucontext
);
217 static inline struct mlx4_ib_pd
*to_mpd(struct ib_pd
*ibpd
)
219 return container_of(ibpd
, struct mlx4_ib_pd
, ibpd
);
222 static inline struct mlx4_ib_xrcd
*to_mxrcd(struct ib_xrcd
*ibxrcd
)
224 return container_of(ibxrcd
, struct mlx4_ib_xrcd
, ibxrcd
);
227 static inline struct mlx4_ib_cq
*to_mcq(struct ib_cq
*ibcq
)
229 return container_of(ibcq
, struct mlx4_ib_cq
, ibcq
);
232 static inline struct mlx4_ib_cq
*to_mibcq(struct mlx4_cq
*mcq
)
234 return container_of(mcq
, struct mlx4_ib_cq
, mcq
);
237 static inline struct mlx4_ib_mr
*to_mmr(struct ib_mr
*ibmr
)
239 return container_of(ibmr
, struct mlx4_ib_mr
, ibmr
);
242 static inline struct mlx4_ib_fast_reg_page_list
*to_mfrpl(struct ib_fast_reg_page_list
*ibfrpl
)
244 return container_of(ibfrpl
, struct mlx4_ib_fast_reg_page_list
, ibfrpl
);
247 static inline struct mlx4_ib_fmr
*to_mfmr(struct ib_fmr
*ibfmr
)
249 return container_of(ibfmr
, struct mlx4_ib_fmr
, ibfmr
);
251 static inline struct mlx4_ib_qp
*to_mqp(struct ib_qp
*ibqp
)
253 return container_of(ibqp
, struct mlx4_ib_qp
, ibqp
);
256 static inline struct mlx4_ib_qp
*to_mibqp(struct mlx4_qp
*mqp
)
258 return container_of(mqp
, struct mlx4_ib_qp
, mqp
);
261 static inline struct mlx4_ib_srq
*to_msrq(struct ib_srq
*ibsrq
)
263 return container_of(ibsrq
, struct mlx4_ib_srq
, ibsrq
);
266 static inline struct mlx4_ib_srq
*to_mibsrq(struct mlx4_srq
*msrq
)
268 return container_of(msrq
, struct mlx4_ib_srq
, msrq
);
271 static inline struct mlx4_ib_ah
*to_mah(struct ib_ah
*ibah
)
273 return container_of(ibah
, struct mlx4_ib_ah
, ibah
);
276 int mlx4_ib_db_map_user(struct mlx4_ib_ucontext
*context
, unsigned long virt
,
278 void mlx4_ib_db_unmap_user(struct mlx4_ib_ucontext
*context
, struct mlx4_db
*db
);
280 struct ib_mr
*mlx4_ib_get_dma_mr(struct ib_pd
*pd
, int acc
);
281 int mlx4_ib_umem_write_mtt(struct mlx4_ib_dev
*dev
, struct mlx4_mtt
*mtt
,
282 struct ib_umem
*umem
);
283 struct ib_mr
*mlx4_ib_reg_user_mr(struct ib_pd
*pd
, u64 start
, u64 length
,
284 u64 virt_addr
, int access_flags
,
285 struct ib_udata
*udata
);
286 int mlx4_ib_dereg_mr(struct ib_mr
*mr
);
287 struct ib_mr
*mlx4_ib_alloc_fast_reg_mr(struct ib_pd
*pd
,
288 int max_page_list_len
);
289 struct ib_fast_reg_page_list
*mlx4_ib_alloc_fast_reg_page_list(struct ib_device
*ibdev
,
291 void mlx4_ib_free_fast_reg_page_list(struct ib_fast_reg_page_list
*page_list
);
293 int mlx4_ib_modify_cq(struct ib_cq
*cq
, u16 cq_count
, u16 cq_period
);
294 int mlx4_ib_resize_cq(struct ib_cq
*ibcq
, int entries
, struct ib_udata
*udata
);
295 struct ib_cq
*mlx4_ib_create_cq(struct ib_device
*ibdev
, int entries
, int vector
,
296 struct ib_ucontext
*context
,
297 struct ib_udata
*udata
);
298 int mlx4_ib_destroy_cq(struct ib_cq
*cq
);
299 int mlx4_ib_poll_cq(struct ib_cq
*ibcq
, int num_entries
, struct ib_wc
*wc
);
300 int mlx4_ib_arm_cq(struct ib_cq
*cq
, enum ib_cq_notify_flags flags
);
301 void __mlx4_ib_cq_clean(struct mlx4_ib_cq
*cq
, u32 qpn
, struct mlx4_ib_srq
*srq
);
302 void mlx4_ib_cq_clean(struct mlx4_ib_cq
*cq
, u32 qpn
, struct mlx4_ib_srq
*srq
);
304 struct ib_ah
*mlx4_ib_create_ah(struct ib_pd
*pd
, struct ib_ah_attr
*ah_attr
);
305 int mlx4_ib_query_ah(struct ib_ah
*ibah
, struct ib_ah_attr
*ah_attr
);
306 int mlx4_ib_destroy_ah(struct ib_ah
*ah
);
308 struct ib_srq
*mlx4_ib_create_srq(struct ib_pd
*pd
,
309 struct ib_srq_init_attr
*init_attr
,
310 struct ib_udata
*udata
);
311 int mlx4_ib_modify_srq(struct ib_srq
*ibsrq
, struct ib_srq_attr
*attr
,
312 enum ib_srq_attr_mask attr_mask
, struct ib_udata
*udata
);
313 int mlx4_ib_query_srq(struct ib_srq
*srq
, struct ib_srq_attr
*srq_attr
);
314 int mlx4_ib_destroy_srq(struct ib_srq
*srq
);
315 void mlx4_ib_free_srq_wqe(struct mlx4_ib_srq
*srq
, int wqe_index
);
316 int mlx4_ib_post_srq_recv(struct ib_srq
*ibsrq
, struct ib_recv_wr
*wr
,
317 struct ib_recv_wr
**bad_wr
);
319 struct ib_qp
*mlx4_ib_create_qp(struct ib_pd
*pd
,
320 struct ib_qp_init_attr
*init_attr
,
321 struct ib_udata
*udata
);
322 int mlx4_ib_destroy_qp(struct ib_qp
*qp
);
323 int mlx4_ib_modify_qp(struct ib_qp
*ibqp
, struct ib_qp_attr
*attr
,
324 int attr_mask
, struct ib_udata
*udata
);
325 int mlx4_ib_query_qp(struct ib_qp
*ibqp
, struct ib_qp_attr
*qp_attr
, int qp_attr_mask
,
326 struct ib_qp_init_attr
*qp_init_attr
);
327 int mlx4_ib_post_send(struct ib_qp
*ibqp
, struct ib_send_wr
*wr
,
328 struct ib_send_wr
**bad_wr
);
329 int mlx4_ib_post_recv(struct ib_qp
*ibqp
, struct ib_recv_wr
*wr
,
330 struct ib_recv_wr
**bad_wr
);
332 int mlx4_MAD_IFC(struct mlx4_ib_dev
*dev
, int ignore_mkey
, int ignore_bkey
,
333 int port
, struct ib_wc
*in_wc
, struct ib_grh
*in_grh
,
334 void *in_mad
, void *response_mad
);
335 int mlx4_ib_process_mad(struct ib_device
*ibdev
, int mad_flags
, u8 port_num
,
336 struct ib_wc
*in_wc
, struct ib_grh
*in_grh
,
337 struct ib_mad
*in_mad
, struct ib_mad
*out_mad
);
338 int mlx4_ib_mad_init(struct mlx4_ib_dev
*dev
);
339 void mlx4_ib_mad_cleanup(struct mlx4_ib_dev
*dev
);
341 struct ib_fmr
*mlx4_ib_fmr_alloc(struct ib_pd
*pd
, int mr_access_flags
,
342 struct ib_fmr_attr
*fmr_attr
);
343 int mlx4_ib_map_phys_fmr(struct ib_fmr
*ibfmr
, u64
*page_list
, int npages
,
345 int mlx4_ib_unmap_fmr(struct list_head
*fmr_list
);
346 int mlx4_ib_fmr_dealloc(struct ib_fmr
*fmr
);
348 int mlx4_ib_resolve_grh(struct mlx4_ib_dev
*dev
, const struct ib_ah_attr
*ah_attr
,
349 u8
*mac
, int *is_mcast
, u8 port
);
351 static inline int mlx4_ib_ah_grh_present(struct mlx4_ib_ah
*ah
)
353 u8 port
= be32_to_cpu(ah
->av
.ib
.port_pd
) >> 24 & 3;
355 if (rdma_port_get_link_layer(ah
->ibah
.device
, port
) == IB_LINK_LAYER_ETHERNET
)
358 return !!(ah
->av
.ib
.g_slid
& 0x80);
361 int mlx4_ib_add_mc(struct mlx4_ib_dev
*mdev
, struct mlx4_ib_qp
*mqp
,
364 #endif /* MLX4_IB_H */