?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
Linux 3.11-rc3
[cris-mirror.git] / drivers / infiniband / hw / mlx4 / mlx4_ib.h
blobf61ec26500c4919628abf3eb5ee570e878a43155
1 /*
2 * Copyright (c) 2006, 2007 Cisco Systems. All rights reserved.
3 * Copyright (c) 2007, 2008 Mellanox Technologies. All rights reserved.
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>
39 #include <linux/mutex.h>
40 #include <linux/idr.h>
41
42 #include <rdma/ib_verbs.h>
43 #include <rdma/ib_umem.h>
44 #include <rdma/ib_mad.h>
45 #include <rdma/ib_sa.h>
46
47 #include <linux/mlx4/device.h>
48 #include <linux/mlx4/doorbell.h>
49
50 #define MLX4_IB_DRV_NAME "mlx4_ib"
51
52 #ifdef pr_fmt
53 #undef pr_fmt
54 #endif
55 #define pr_fmt(fmt) "<" MLX4_IB_DRV_NAME "> %s: " fmt, __func__
56
57 #define mlx4_ib_warn(ibdev, format, arg...) \
58 dev_warn((ibdev)->dma_device, MLX4_IB_DRV_NAME ": " format, ## arg)
59
60 enum {
61 MLX4_IB_SQ_MIN_WQE_SHIFT = 6,
62 MLX4_IB_MAX_HEADROOM = 2048
63 };
64
65 #define MLX4_IB_SQ_HEADROOM(shift) ((MLX4_IB_MAX_HEADROOM >> (shift)) + 1)
66 #define MLX4_IB_SQ_MAX_SPARE (MLX4_IB_SQ_HEADROOM(MLX4_IB_SQ_MIN_WQE_SHIFT))
67
68 /*module param to indicate if SM assigns the alias_GUID*/
69 extern int mlx4_ib_sm_guid_assign;
70
71 struct mlx4_ib_ucontext {
72 struct ib_ucontext ibucontext;
73 struct mlx4_uar uar;
74 struct list_head db_page_list;
75 struct mutex db_page_mutex;
76 };
77
78 struct mlx4_ib_pd {
79 struct ib_pd ibpd;
80 u32 pdn;
81 };
82
83 struct mlx4_ib_xrcd {
84 struct ib_xrcd ibxrcd;
85 u32 xrcdn;
86 struct ib_pd *pd;
87 struct ib_cq *cq;
88 };
89
90 struct mlx4_ib_cq_buf {
91 struct mlx4_buf buf;
92 struct mlx4_mtt mtt;
93 int entry_size;
94 };
95
96 struct mlx4_ib_cq_resize {
97 struct mlx4_ib_cq_buf buf;
98 int cqe;
99 };
100
101 struct mlx4_ib_cq {
102 struct ib_cq ibcq;
103 struct mlx4_cq mcq;
104 struct mlx4_ib_cq_buf buf;
105 struct mlx4_ib_cq_resize *resize_buf;
106 struct mlx4_db db;
107 spinlock_t lock;
108 struct mutex resize_mutex;
109 struct ib_umem *umem;
110 struct ib_umem *resize_umem;
111 };
112
113 struct mlx4_ib_mr {
114 struct ib_mr ibmr;
115 struct mlx4_mr mmr;
116 struct ib_umem *umem;
117 };
118
119 struct mlx4_ib_mw {
120 struct ib_mw ibmw;
121 struct mlx4_mw mmw;
122 };
123
124 struct mlx4_ib_fast_reg_page_list {
125 struct ib_fast_reg_page_list ibfrpl;
126 __be64 *mapped_page_list;
127 dma_addr_t map;
128 };
129
130 struct mlx4_ib_fmr {
131 struct ib_fmr ibfmr;
132 struct mlx4_fmr mfmr;
133 };
134
135 struct mlx4_ib_wq {
136 u64 *wrid;
137 spinlock_t lock;
138 int wqe_cnt;
139 int max_post;
140 int max_gs;
141 int offset;
142 int wqe_shift;
143 unsigned head;
144 unsigned tail;
145 };
146
147 enum mlx4_ib_qp_flags {
148 MLX4_IB_QP_LSO = IB_QP_CREATE_IPOIB_UD_LSO,
149 MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK = IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK,
150 MLX4_IB_SRIOV_TUNNEL_QP = 1 << 30,
151 MLX4_IB_SRIOV_SQP = 1 << 31,
152 };
153
154 struct mlx4_ib_gid_entry {
155 struct list_head list;
156 union ib_gid gid;
157 int added;
158 u8 port;
159 };
160
161 enum mlx4_ib_qp_type {
162 /*
163 * IB_QPT_SMI and IB_QPT_GSI have to be the first two entries
164 * here (and in that order) since the MAD layer uses them as
165 * indices into a 2-entry table.
166 */
167 MLX4_IB_QPT_SMI = IB_QPT_SMI,
168 MLX4_IB_QPT_GSI = IB_QPT_GSI,
169
170 MLX4_IB_QPT_RC = IB_QPT_RC,
171 MLX4_IB_QPT_UC = IB_QPT_UC,
172 MLX4_IB_QPT_UD = IB_QPT_UD,
173 MLX4_IB_QPT_RAW_IPV6 = IB_QPT_RAW_IPV6,
174 MLX4_IB_QPT_RAW_ETHERTYPE = IB_QPT_RAW_ETHERTYPE,
175 MLX4_IB_QPT_RAW_PACKET = IB_QPT_RAW_PACKET,
176 MLX4_IB_QPT_XRC_INI = IB_QPT_XRC_INI,
177 MLX4_IB_QPT_XRC_TGT = IB_QPT_XRC_TGT,
178
179 MLX4_IB_QPT_PROXY_SMI_OWNER = 1 << 16,
180 MLX4_IB_QPT_PROXY_SMI = 1 << 17,
181 MLX4_IB_QPT_PROXY_GSI = 1 << 18,
182 MLX4_IB_QPT_TUN_SMI_OWNER = 1 << 19,
183 MLX4_IB_QPT_TUN_SMI = 1 << 20,
184 MLX4_IB_QPT_TUN_GSI = 1 << 21,
185 };
186
187 #define MLX4_IB_QPT_ANY_SRIOV (MLX4_IB_QPT_PROXY_SMI_OWNER | \
188 MLX4_IB_QPT_PROXY_SMI | MLX4_IB_QPT_PROXY_GSI | MLX4_IB_QPT_TUN_SMI_OWNER | \
189 MLX4_IB_QPT_TUN_SMI | MLX4_IB_QPT_TUN_GSI)
190
191 enum mlx4_ib_mad_ifc_flags {
192 MLX4_MAD_IFC_IGNORE_MKEY = 1,
193 MLX4_MAD_IFC_IGNORE_BKEY = 2,
194 MLX4_MAD_IFC_IGNORE_KEYS = (MLX4_MAD_IFC_IGNORE_MKEY |
195 MLX4_MAD_IFC_IGNORE_BKEY),
196 MLX4_MAD_IFC_NET_VIEW = 4,
197 };
198
199 enum {
200 MLX4_NUM_TUNNEL_BUFS = 256,
201 };
202
203 struct mlx4_ib_tunnel_header {
204 struct mlx4_av av;
205 __be32 remote_qpn;
206 __be32 qkey;
207 __be16 vlan;
208 u8 mac[6];
209 __be16 pkey_index;
210 u8 reserved[6];
211 };
212
213 struct mlx4_ib_buf {
214 void *addr;
215 dma_addr_t map;
216 };
217
218 struct mlx4_rcv_tunnel_hdr {
219 __be32 flags_src_qp; /* flags[6:5] is defined for VLANs:
220 * 0x0 - no vlan was in the packet
221 * 0x01 - C-VLAN was in the packet */
222 u8 g_ml_path; /* gid bit stands for ipv6/4 header in RoCE */
223 u8 reserved;
224 __be16 pkey_index;
225 __be16 sl_vid;
226 __be16 slid_mac_47_32;
227 __be32 mac_31_0;
228 };
229
230 struct mlx4_ib_proxy_sqp_hdr {
231 struct ib_grh grh;
232 struct mlx4_rcv_tunnel_hdr tun;
233 } __packed;
234
235 struct mlx4_ib_qp {
236 struct ib_qp ibqp;
237 struct mlx4_qp mqp;
238 struct mlx4_buf buf;
239
240 struct mlx4_db db;
241 struct mlx4_ib_wq rq;
242
243 u32 doorbell_qpn;
244 __be32 sq_signal_bits;
245 unsigned sq_next_wqe;
246 int sq_max_wqes_per_wr;
247 int sq_spare_wqes;
248 struct mlx4_ib_wq sq;
249
250 enum mlx4_ib_qp_type mlx4_ib_qp_type;
251 struct ib_umem *umem;
252 struct mlx4_mtt mtt;
253 int buf_size;
254 struct mutex mutex;
255 u16 xrcdn;
256 u32 flags;
257 u8 port;
258 u8 alt_port;
259 u8 atomic_rd_en;
260 u8 resp_depth;
261 u8 sq_no_prefetch;
262 u8 state;
263 int mlx_type;
264 struct list_head gid_list;
265 struct list_head steering_rules;
266 struct mlx4_ib_buf *sqp_proxy_rcv;
267
268 };
269
270 struct mlx4_ib_srq {
271 struct ib_srq ibsrq;
272 struct mlx4_srq msrq;
273 struct mlx4_buf buf;
274 struct mlx4_db db;
275 u64 *wrid;
276 spinlock_t lock;
277 int head;
278 int tail;
279 u16 wqe_ctr;
280 struct ib_umem *umem;
281 struct mlx4_mtt mtt;
282 struct mutex mutex;
283 };
284
285 struct mlx4_ib_ah {
286 struct ib_ah ibah;
287 union mlx4_ext_av av;
288 };
289
290 /****************************************/
291 /* alias guid support */
292 /****************************************/
293 #define NUM_PORT_ALIAS_GUID 2
294 #define NUM_ALIAS_GUID_IN_REC 8
295 #define NUM_ALIAS_GUID_REC_IN_PORT 16
296 #define GUID_REC_SIZE 8
297 #define NUM_ALIAS_GUID_PER_PORT 128
298 #define MLX4_NOT_SET_GUID (0x00LL)
299 #define MLX4_GUID_FOR_DELETE_VAL (~(0x00LL))
300
301 enum mlx4_guid_alias_rec_status {
302 MLX4_GUID_INFO_STATUS_IDLE,
303 MLX4_GUID_INFO_STATUS_SET,
304 MLX4_GUID_INFO_STATUS_PENDING,
305 };
306
307 enum mlx4_guid_alias_rec_ownership {
308 MLX4_GUID_DRIVER_ASSIGN,
309 MLX4_GUID_SYSADMIN_ASSIGN,
310 MLX4_GUID_NONE_ASSIGN, /*init state of each record*/
311 };
312
313 enum mlx4_guid_alias_rec_method {
314 MLX4_GUID_INFO_RECORD_SET = IB_MGMT_METHOD_SET,
315 MLX4_GUID_INFO_RECORD_DELETE = IB_SA_METHOD_DELETE,
316 };
317
318 struct mlx4_sriov_alias_guid_info_rec_det {
319 u8 all_recs[GUID_REC_SIZE * NUM_ALIAS_GUID_IN_REC];
320 ib_sa_comp_mask guid_indexes; /*indicates what from the 8 records are valid*/
321 enum mlx4_guid_alias_rec_status status; /*indicates the administraively status of the record.*/
322 u8 method; /*set or delete*/
323 enum mlx4_guid_alias_rec_ownership ownership; /*indicates who assign that alias_guid record*/
324 };
325
326 struct mlx4_sriov_alias_guid_port_rec_det {
327 struct mlx4_sriov_alias_guid_info_rec_det all_rec_per_port[NUM_ALIAS_GUID_REC_IN_PORT];
328 struct workqueue_struct *wq;
329 struct delayed_work alias_guid_work;
330 u8 port;
331 struct mlx4_sriov_alias_guid *parent;
332 struct list_head cb_list;
333 };
334
335 struct mlx4_sriov_alias_guid {
336 struct mlx4_sriov_alias_guid_port_rec_det ports_guid[MLX4_MAX_PORTS];
337 spinlock_t ag_work_lock;
338 struct ib_sa_client *sa_client;
339 };
340
341 struct mlx4_ib_demux_work {
342 struct work_struct work;
343 struct mlx4_ib_dev *dev;
344 int slave;
345 int do_init;
346 u8 port;
347
348 };
349
350 struct mlx4_ib_tun_tx_buf {
351 struct mlx4_ib_buf buf;
352 struct ib_ah *ah;
353 };
354
355 struct mlx4_ib_demux_pv_qp {
356 struct ib_qp *qp;
357 enum ib_qp_type proxy_qpt;
358 struct mlx4_ib_buf *ring;
359 struct mlx4_ib_tun_tx_buf *tx_ring;
360 spinlock_t tx_lock;
361 unsigned tx_ix_head;
362 unsigned tx_ix_tail;
363 };
364
365 enum mlx4_ib_demux_pv_state {
366 DEMUX_PV_STATE_DOWN,
367 DEMUX_PV_STATE_STARTING,
368 DEMUX_PV_STATE_ACTIVE,
369 DEMUX_PV_STATE_DOWNING,
370 };
371
372 struct mlx4_ib_demux_pv_ctx {
373 int port;
374 int slave;
375 enum mlx4_ib_demux_pv_state state;
376 int has_smi;
377 struct ib_device *ib_dev;
378 struct ib_cq *cq;
379 struct ib_pd *pd;
380 struct ib_mr *mr;
381 struct work_struct work;
382 struct workqueue_struct *wq;
383 struct mlx4_ib_demux_pv_qp qp[2];
384 };
385
386 struct mlx4_ib_demux_ctx {
387 struct ib_device *ib_dev;
388 int port;
389 struct workqueue_struct *wq;
390 struct workqueue_struct *ud_wq;
391 spinlock_t ud_lock;
392 __be64 subnet_prefix;
393 __be64 guid_cache[128];
394 struct mlx4_ib_dev *dev;
395 /* the following lock protects both mcg_table and mcg_mgid0_list */
396 struct mutex mcg_table_lock;
397 struct rb_root mcg_table;
398 struct list_head mcg_mgid0_list;
399 struct workqueue_struct *mcg_wq;
400 struct mlx4_ib_demux_pv_ctx **tun;
401 atomic_t tid;
402 int flushing; /* flushing the work queue */
403 };
404
405 struct mlx4_ib_sriov {
406 struct mlx4_ib_demux_ctx demux[MLX4_MAX_PORTS];
407 struct mlx4_ib_demux_pv_ctx *sqps[MLX4_MAX_PORTS];
408 /* when using this spinlock you should use "irq" because
409 * it may be called from interrupt context.*/
410 spinlock_t going_down_lock;
411 int is_going_down;
412
413 struct mlx4_sriov_alias_guid alias_guid;
414
415 /* CM paravirtualization fields */
416 struct list_head cm_list;
417 spinlock_t id_map_lock;
418 struct rb_root sl_id_map;
419 struct idr pv_id_table;
420 };
421
422 struct mlx4_ib_iboe {
423 spinlock_t lock;
424 struct net_device *netdevs[MLX4_MAX_PORTS];
425 struct notifier_block nb;
426 union ib_gid gid_table[MLX4_MAX_PORTS][128];
427 };
428
429 struct pkey_mgt {
430 u8 virt2phys_pkey[MLX4_MFUNC_MAX][MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS];
431 u16 phys_pkey_cache[MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS];
432 struct list_head pkey_port_list[MLX4_MFUNC_MAX];
433 struct kobject *device_parent[MLX4_MFUNC_MAX];
434 };
435
436 struct mlx4_ib_iov_sysfs_attr {
437 void *ctx;
438 struct kobject *kobj;
439 unsigned long data;
440 u32 entry_num;
441 char name[15];
442 struct device_attribute dentry;
443 struct device *dev;
444 };
445
446 struct mlx4_ib_iov_sysfs_attr_ar {
447 struct mlx4_ib_iov_sysfs_attr dentries[3 * NUM_ALIAS_GUID_PER_PORT + 1];
448 };
449
450 struct mlx4_ib_iov_port {
451 char name[100];
452 u8 num;
453 struct mlx4_ib_dev *dev;
454 struct list_head list;
455 struct mlx4_ib_iov_sysfs_attr_ar *dentr_ar;
456 struct ib_port_attr attr;
457 struct kobject *cur_port;
458 struct kobject *admin_alias_parent;
459 struct kobject *gids_parent;
460 struct kobject *pkeys_parent;
461 struct kobject *mcgs_parent;
462 struct mlx4_ib_iov_sysfs_attr mcg_dentry;
463 };
464
465 struct mlx4_ib_dev {
466 struct ib_device ib_dev;
467 struct mlx4_dev *dev;
468 int num_ports;
469 void __iomem *uar_map;
470
471 struct mlx4_uar priv_uar;
472 u32 priv_pdn;
473 MLX4_DECLARE_DOORBELL_LOCK(uar_lock);
474
475 struct ib_mad_agent *send_agent[MLX4_MAX_PORTS][2];
476 struct ib_ah *sm_ah[MLX4_MAX_PORTS];
477 spinlock_t sm_lock;
478 struct mlx4_ib_sriov sriov;
479
480 struct mutex cap_mask_mutex;
481 bool ib_active;
482 struct mlx4_ib_iboe iboe;
483 int counters[MLX4_MAX_PORTS];
484 int *eq_table;
485 int eq_added;
486 struct kobject *iov_parent;
487 struct kobject *ports_parent;
488 struct kobject *dev_ports_parent[MLX4_MFUNC_MAX];
489 struct mlx4_ib_iov_port iov_ports[MLX4_MAX_PORTS];
490 struct pkey_mgt pkeys;
491 };
492
493 struct ib_event_work {
494 struct work_struct work;
495 struct mlx4_ib_dev *ib_dev;
496 struct mlx4_eqe ib_eqe;
497 };
498
499 struct mlx4_ib_qp_tunnel_init_attr {
500 struct ib_qp_init_attr init_attr;
501 int slave;
502 enum ib_qp_type proxy_qp_type;
503 u8 port;
504 };
505
506 static inline struct mlx4_ib_dev *to_mdev(struct ib_device *ibdev)
507 {
508 return container_of(ibdev, struct mlx4_ib_dev, ib_dev);
509 }
510
511 static inline struct mlx4_ib_ucontext *to_mucontext(struct ib_ucontext *ibucontext)
512 {
513 return container_of(ibucontext, struct mlx4_ib_ucontext, ibucontext);
514 }
515
516 static inline struct mlx4_ib_pd *to_mpd(struct ib_pd *ibpd)
517 {
518 return container_of(ibpd, struct mlx4_ib_pd, ibpd);
519 }
520
521 static inline struct mlx4_ib_xrcd *to_mxrcd(struct ib_xrcd *ibxrcd)
522 {
523 return container_of(ibxrcd, struct mlx4_ib_xrcd, ibxrcd);
524 }
525
526 static inline struct mlx4_ib_cq *to_mcq(struct ib_cq *ibcq)
527 {
528 return container_of(ibcq, struct mlx4_ib_cq, ibcq);
529 }
530
531 static inline struct mlx4_ib_cq *to_mibcq(struct mlx4_cq *mcq)
532 {
533 return container_of(mcq, struct mlx4_ib_cq, mcq);
534 }
535
536 static inline struct mlx4_ib_mr *to_mmr(struct ib_mr *ibmr)
537 {
538 return container_of(ibmr, struct mlx4_ib_mr, ibmr);
539 }
540
541 static inline struct mlx4_ib_mw *to_mmw(struct ib_mw *ibmw)
542 {
543 return container_of(ibmw, struct mlx4_ib_mw, ibmw);
544 }
545
546 static inline struct mlx4_ib_fast_reg_page_list *to_mfrpl(struct ib_fast_reg_page_list *ibfrpl)
547 {
548 return container_of(ibfrpl, struct mlx4_ib_fast_reg_page_list, ibfrpl);
549 }
550
551 static inline struct mlx4_ib_fmr *to_mfmr(struct ib_fmr *ibfmr)
552 {
553 return container_of(ibfmr, struct mlx4_ib_fmr, ibfmr);
554 }
555 static inline struct mlx4_ib_qp *to_mqp(struct ib_qp *ibqp)
556 {
557 return container_of(ibqp, struct mlx4_ib_qp, ibqp);
558 }
559
560 static inline struct mlx4_ib_qp *to_mibqp(struct mlx4_qp *mqp)
561 {
562 return container_of(mqp, struct mlx4_ib_qp, mqp);
563 }
564
565 static inline struct mlx4_ib_srq *to_msrq(struct ib_srq *ibsrq)
566 {
567 return container_of(ibsrq, struct mlx4_ib_srq, ibsrq);
568 }
569
570 static inline struct mlx4_ib_srq *to_mibsrq(struct mlx4_srq *msrq)
571 {
572 return container_of(msrq, struct mlx4_ib_srq, msrq);
573 }
574
575 static inline struct mlx4_ib_ah *to_mah(struct ib_ah *ibah)
576 {
577 return container_of(ibah, struct mlx4_ib_ah, ibah);
578 }
579
580 int mlx4_ib_init_sriov(struct mlx4_ib_dev *dev);
581 void mlx4_ib_close_sriov(struct mlx4_ib_dev *dev);
582
583 int mlx4_ib_db_map_user(struct mlx4_ib_ucontext *context, unsigned long virt,
584 struct mlx4_db *db);
585 void mlx4_ib_db_unmap_user(struct mlx4_ib_ucontext *context, struct mlx4_db *db);
586
587 struct ib_mr *mlx4_ib_get_dma_mr(struct ib_pd *pd, int acc);
588 int mlx4_ib_umem_write_mtt(struct mlx4_ib_dev *dev, struct mlx4_mtt *mtt,
589 struct ib_umem *umem);
590 struct ib_mr *mlx4_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
591 u64 virt_addr, int access_flags,
592 struct ib_udata *udata);
593 int mlx4_ib_dereg_mr(struct ib_mr *mr);
594 struct ib_mw *mlx4_ib_alloc_mw(struct ib_pd *pd, enum ib_mw_type type);
595 int mlx4_ib_bind_mw(struct ib_qp *qp, struct ib_mw *mw,
596 struct ib_mw_bind *mw_bind);
597 int mlx4_ib_dealloc_mw(struct ib_mw *mw);
598 struct ib_mr *mlx4_ib_alloc_fast_reg_mr(struct ib_pd *pd,
599 int max_page_list_len);
600 struct ib_fast_reg_page_list *mlx4_ib_alloc_fast_reg_page_list(struct ib_device *ibdev,
601 int page_list_len);
602 void mlx4_ib_free_fast_reg_page_list(struct ib_fast_reg_page_list *page_list);
603
604 int mlx4_ib_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period);
605 int mlx4_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata);
606 struct ib_cq *mlx4_ib_create_cq(struct ib_device *ibdev, int entries, int vector,
607 struct ib_ucontext *context,
608 struct ib_udata *udata);
609 int mlx4_ib_destroy_cq(struct ib_cq *cq);
610 int mlx4_ib_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc);
611 int mlx4_ib_arm_cq(struct ib_cq *cq, enum ib_cq_notify_flags flags);
612 void __mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq);
613 void mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq);
614
615 struct ib_ah *mlx4_ib_create_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr);
616 int mlx4_ib_query_ah(struct ib_ah *ibah, struct ib_ah_attr *ah_attr);
617 int mlx4_ib_destroy_ah(struct ib_ah *ah);
618
619 struct ib_srq *mlx4_ib_create_srq(struct ib_pd *pd,
620 struct ib_srq_init_attr *init_attr,
621 struct ib_udata *udata);
622 int mlx4_ib_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
623 enum ib_srq_attr_mask attr_mask, struct ib_udata *udata);
624 int mlx4_ib_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr);
625 int mlx4_ib_destroy_srq(struct ib_srq *srq);
626 void mlx4_ib_free_srq_wqe(struct mlx4_ib_srq *srq, int wqe_index);
627 int mlx4_ib_post_srq_recv(struct ib_srq *ibsrq, struct ib_recv_wr *wr,
628 struct ib_recv_wr **bad_wr);
629
630 struct ib_qp *mlx4_ib_create_qp(struct ib_pd *pd,
631 struct ib_qp_init_attr *init_attr,
632 struct ib_udata *udata);
633 int mlx4_ib_destroy_qp(struct ib_qp *qp);
634 int mlx4_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
635 int attr_mask, struct ib_udata *udata);
636 int mlx4_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr_mask,
637 struct ib_qp_init_attr *qp_init_attr);
638 int mlx4_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
639 struct ib_send_wr **bad_wr);
640 int mlx4_ib_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *wr,
641 struct ib_recv_wr **bad_wr);
642
643 int mlx4_MAD_IFC(struct mlx4_ib_dev *dev, int mad_ifc_flags,
644 int port, struct ib_wc *in_wc, struct ib_grh *in_grh,
645 void *in_mad, void *response_mad);
646 int mlx4_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
647 struct ib_wc *in_wc, struct ib_grh *in_grh,
648 struct ib_mad *in_mad, struct ib_mad *out_mad);
649 int mlx4_ib_mad_init(struct mlx4_ib_dev *dev);
650 void mlx4_ib_mad_cleanup(struct mlx4_ib_dev *dev);
651
652 struct ib_fmr *mlx4_ib_fmr_alloc(struct ib_pd *pd, int mr_access_flags,
653 struct ib_fmr_attr *fmr_attr);
654 int mlx4_ib_map_phys_fmr(struct ib_fmr *ibfmr, u64 *page_list, int npages,
655 u64 iova);
656 int mlx4_ib_unmap_fmr(struct list_head *fmr_list);
657 int mlx4_ib_fmr_dealloc(struct ib_fmr *fmr);
658 int __mlx4_ib_query_port(struct ib_device *ibdev, u8 port,
659 struct ib_port_attr *props, int netw_view);
660 int __mlx4_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index,
661 u16 *pkey, int netw_view);
662
663 int __mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index,
664 union ib_gid *gid, int netw_view);
665
666 int mlx4_ib_resolve_grh(struct mlx4_ib_dev *dev, const struct ib_ah_attr *ah_attr,
667 u8 *mac, int *is_mcast, u8 port);
668
669 static inline bool mlx4_ib_ah_grh_present(struct mlx4_ib_ah *ah)
670 {
671 u8 port = be32_to_cpu(ah->av.ib.port_pd) >> 24 & 3;
672
673 if (rdma_port_get_link_layer(ah->ibah.device, port) == IB_LINK_LAYER_ETHERNET)
674 return true;
675
676 return !!(ah->av.ib.g_slid & 0x80);
677 }
678
679 int mlx4_ib_mcg_port_init(struct mlx4_ib_demux_ctx *ctx);
680 void mlx4_ib_mcg_port_cleanup(struct mlx4_ib_demux_ctx *ctx, int destroy_wq);
681 void clean_vf_mcast(struct mlx4_ib_demux_ctx *ctx, int slave);
682 int mlx4_ib_mcg_init(void);
683 void mlx4_ib_mcg_destroy(void);
684
685 int mlx4_ib_find_real_gid(struct ib_device *ibdev, u8 port, __be64 guid);
686
687 int mlx4_ib_mcg_multiplex_handler(struct ib_device *ibdev, int port, int slave,
688 struct ib_sa_mad *sa_mad);
689 int mlx4_ib_mcg_demux_handler(struct ib_device *ibdev, int port, int slave,
690 struct ib_sa_mad *mad);
691
692 int mlx4_ib_add_mc(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp,
693 union ib_gid *gid);
694
695 void mlx4_ib_dispatch_event(struct mlx4_ib_dev *dev, u8 port_num,
696 enum ib_event_type type);
697
698 void mlx4_ib_tunnels_update_work(struct work_struct *work);
699
700 int mlx4_ib_send_to_slave(struct mlx4_ib_dev *dev, int slave, u8 port,
701 enum ib_qp_type qpt, struct ib_wc *wc,
702 struct ib_grh *grh, struct ib_mad *mad);
703 int mlx4_ib_send_to_wire(struct mlx4_ib_dev *dev, int slave, u8 port,
704 enum ib_qp_type dest_qpt, u16 pkey_index, u32 remote_qpn,
705 u32 qkey, struct ib_ah_attr *attr, struct ib_mad *mad);
706 __be64 mlx4_ib_get_new_demux_tid(struct mlx4_ib_demux_ctx *ctx);
707
708 int mlx4_ib_demux_cm_handler(struct ib_device *ibdev, int port, int *slave,
709 struct ib_mad *mad);
710
711 int mlx4_ib_multiplex_cm_handler(struct ib_device *ibdev, int port, int slave_id,
712 struct ib_mad *mad);
713
714 void mlx4_ib_cm_paravirt_init(struct mlx4_ib_dev *dev);
715 void mlx4_ib_cm_paravirt_clean(struct mlx4_ib_dev *dev, int slave_id);
716
717 /* alias guid support */
718 void mlx4_ib_init_alias_guid_work(struct mlx4_ib_dev *dev, int port);
719 int mlx4_ib_init_alias_guid_service(struct mlx4_ib_dev *dev);
720 void mlx4_ib_destroy_alias_guid_service(struct mlx4_ib_dev *dev);
721 void mlx4_ib_invalidate_all_guid_record(struct mlx4_ib_dev *dev, int port);
722
723 void mlx4_ib_notify_slaves_on_guid_change(struct mlx4_ib_dev *dev,
724 int block_num,
725 u8 port_num, u8 *p_data);
726
727 void mlx4_ib_update_cache_on_guid_change(struct mlx4_ib_dev *dev,
728 int block_num, u8 port_num,
729 u8 *p_data);
730
731 int add_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num,
732 struct attribute *attr);
733 void del_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num,
734 struct attribute *attr);
735 ib_sa_comp_mask mlx4_ib_get_aguid_comp_mask_from_ix(int index);
736
737 int mlx4_ib_device_register_sysfs(struct mlx4_ib_dev *device) ;
738
739 void mlx4_ib_device_unregister_sysfs(struct mlx4_ib_dev *device);
740
741 __be64 mlx4_ib_gen_node_guid(void);
742
743
744 #endif /* MLX4_IB_H */
CRIS linux kernel tree