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 #define MLX4_IB_UC_STEER_QPN_ALIGN 1
72 #define MLX4_IB_UC_MAX_NUM_QPS 256
73 struct mlx4_ib_ucontext {
74 struct ib_ucontext ibucontext;
75 struct mlx4_uar uar;
76 struct list_head db_page_list;
77 struct mutex db_page_mutex;
78 };
79
80 struct mlx4_ib_pd {
81 struct ib_pd ibpd;
82 u32 pdn;
83 };
84
85 struct mlx4_ib_xrcd {
86 struct ib_xrcd ibxrcd;
87 u32 xrcdn;
88 struct ib_pd *pd;
89 struct ib_cq *cq;
90 };
91
92 struct mlx4_ib_cq_buf {
93 struct mlx4_buf buf;
94 struct mlx4_mtt mtt;
95 int entry_size;
96 };
97
98 struct mlx4_ib_cq_resize {
99 struct mlx4_ib_cq_buf buf;
100 int cqe;
101 };
102
103 struct mlx4_ib_cq {
104 struct ib_cq ibcq;
105 struct mlx4_cq mcq;
106 struct mlx4_ib_cq_buf buf;
107 struct mlx4_ib_cq_resize *resize_buf;
108 struct mlx4_db db;
109 spinlock_t lock;
110 struct mutex resize_mutex;
111 struct ib_umem *umem;
112 struct ib_umem *resize_umem;
113 /* List of qps that it serves.*/
114 struct list_head send_qp_list;
115 struct list_head recv_qp_list;
116 };
117
118 struct mlx4_ib_mr {
119 struct ib_mr ibmr;
120 struct mlx4_mr mmr;
121 struct ib_umem *umem;
122 };
123
124 struct mlx4_ib_mw {
125 struct ib_mw ibmw;
126 struct mlx4_mw mmw;
127 };
128
129 struct mlx4_ib_fast_reg_page_list {
130 struct ib_fast_reg_page_list ibfrpl;
131 __be64 *mapped_page_list;
132 dma_addr_t map;
133 };
134
135 struct mlx4_ib_fmr {
136 struct ib_fmr ibfmr;
137 struct mlx4_fmr mfmr;
138 };
139
140 #define MAX_REGS_PER_FLOW 2
141
142 struct mlx4_flow_reg_id {
143 u64 id;
144 u64 mirror;
145 };
146
147 struct mlx4_ib_flow {
148 struct ib_flow ibflow;
149 /* translating DMFS verbs sniffer rule to FW API requires two reg IDs */
150 struct mlx4_flow_reg_id reg_id[MAX_REGS_PER_FLOW];
151 };
152
153 struct mlx4_ib_wq {
154 u64 *wrid;
155 spinlock_t lock;
156 int wqe_cnt;
157 int max_post;
158 int max_gs;
159 int offset;
160 int wqe_shift;
161 unsigned head;
162 unsigned tail;
163 };
164
165 enum mlx4_ib_qp_flags {
166 MLX4_IB_QP_LSO = IB_QP_CREATE_IPOIB_UD_LSO,
167 MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK = IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK,
168 MLX4_IB_QP_NETIF = IB_QP_CREATE_NETIF_QP,
169 MLX4_IB_QP_CREATE_USE_GFP_NOIO = IB_QP_CREATE_USE_GFP_NOIO,
170 MLX4_IB_SRIOV_TUNNEL_QP = 1 << 30,
171 MLX4_IB_SRIOV_SQP = 1 << 31,
172 };
173
174 struct mlx4_ib_gid_entry {
175 struct list_head list;
176 union ib_gid gid;
177 int added;
178 u8 port;
179 };
180
181 enum mlx4_ib_qp_type {
182 /*
183 * IB_QPT_SMI and IB_QPT_GSI have to be the first two entries
184 * here (and in that order) since the MAD layer uses them as
185 * indices into a 2-entry table.
186 */
187 MLX4_IB_QPT_SMI = IB_QPT_SMI,
188 MLX4_IB_QPT_GSI = IB_QPT_GSI,
189
190 MLX4_IB_QPT_RC = IB_QPT_RC,
191 MLX4_IB_QPT_UC = IB_QPT_UC,
192 MLX4_IB_QPT_UD = IB_QPT_UD,
193 MLX4_IB_QPT_RAW_IPV6 = IB_QPT_RAW_IPV6,
194 MLX4_IB_QPT_RAW_ETHERTYPE = IB_QPT_RAW_ETHERTYPE,
195 MLX4_IB_QPT_RAW_PACKET = IB_QPT_RAW_PACKET,
196 MLX4_IB_QPT_XRC_INI = IB_QPT_XRC_INI,
197 MLX4_IB_QPT_XRC_TGT = IB_QPT_XRC_TGT,
198
199 MLX4_IB_QPT_PROXY_SMI_OWNER = 1 << 16,
200 MLX4_IB_QPT_PROXY_SMI = 1 << 17,
201 MLX4_IB_QPT_PROXY_GSI = 1 << 18,
202 MLX4_IB_QPT_TUN_SMI_OWNER = 1 << 19,
203 MLX4_IB_QPT_TUN_SMI = 1 << 20,
204 MLX4_IB_QPT_TUN_GSI = 1 << 21,
205 };
206
207 #define MLX4_IB_QPT_ANY_SRIOV (MLX4_IB_QPT_PROXY_SMI_OWNER | \
208 MLX4_IB_QPT_PROXY_SMI | MLX4_IB_QPT_PROXY_GSI | MLX4_IB_QPT_TUN_SMI_OWNER | \
209 MLX4_IB_QPT_TUN_SMI | MLX4_IB_QPT_TUN_GSI)
210
211 enum mlx4_ib_mad_ifc_flags {
212 MLX4_MAD_IFC_IGNORE_MKEY = 1,
213 MLX4_MAD_IFC_IGNORE_BKEY = 2,
214 MLX4_MAD_IFC_IGNORE_KEYS = (MLX4_MAD_IFC_IGNORE_MKEY |
215 MLX4_MAD_IFC_IGNORE_BKEY),
216 MLX4_MAD_IFC_NET_VIEW = 4,
217 };
218
219 enum {
220 MLX4_NUM_TUNNEL_BUFS = 256,
221 };
222
223 struct mlx4_ib_tunnel_header {
224 struct mlx4_av av;
225 __be32 remote_qpn;
226 __be32 qkey;
227 __be16 vlan;
228 u8 mac[6];
229 __be16 pkey_index;
230 u8 reserved[6];
231 };
232
233 struct mlx4_ib_buf {
234 void *addr;
235 dma_addr_t map;
236 };
237
238 struct mlx4_rcv_tunnel_hdr {
239 __be32 flags_src_qp; /* flags[6:5] is defined for VLANs:
240 * 0x0 - no vlan was in the packet
241 * 0x01 - C-VLAN was in the packet */
242 u8 g_ml_path; /* gid bit stands for ipv6/4 header in RoCE */
243 u8 reserved;
244 __be16 pkey_index;
245 __be16 sl_vid;
246 __be16 slid_mac_47_32;
247 __be32 mac_31_0;
248 };
249
250 struct mlx4_ib_proxy_sqp_hdr {
251 struct ib_grh grh;
252 struct mlx4_rcv_tunnel_hdr tun;
253 } __packed;
254
255 struct mlx4_roce_smac_vlan_info {
256 u64 smac;
257 int smac_index;
258 int smac_port;
259 u64 candidate_smac;
260 int candidate_smac_index;
261 int candidate_smac_port;
262 u16 vid;
263 int vlan_index;
264 int vlan_port;
265 u16 candidate_vid;
266 int candidate_vlan_index;
267 int candidate_vlan_port;
268 int update_vid;
269 };
270
271 struct mlx4_ib_qp {
272 struct ib_qp ibqp;
273 struct mlx4_qp mqp;
274 struct mlx4_buf buf;
275
276 struct mlx4_db db;
277 struct mlx4_ib_wq rq;
278
279 u32 doorbell_qpn;
280 __be32 sq_signal_bits;
281 unsigned sq_next_wqe;
282 int sq_max_wqes_per_wr;
283 int sq_spare_wqes;
284 struct mlx4_ib_wq sq;
285
286 enum mlx4_ib_qp_type mlx4_ib_qp_type;
287 struct ib_umem *umem;
288 struct mlx4_mtt mtt;
289 int buf_size;
290 struct mutex mutex;
291 u16 xrcdn;
292 u32 flags;
293 u8 port;
294 u8 alt_port;
295 u8 atomic_rd_en;
296 u8 resp_depth;
297 u8 sq_no_prefetch;
298 u8 state;
299 int mlx_type;
300 struct list_head gid_list;
301 struct list_head steering_rules;
302 struct mlx4_ib_buf *sqp_proxy_rcv;
303 struct mlx4_roce_smac_vlan_info pri;
304 struct mlx4_roce_smac_vlan_info alt;
305 u64 reg_id;
306 struct list_head qps_list;
307 struct list_head cq_recv_list;
308 struct list_head cq_send_list;
309 };
310
311 struct mlx4_ib_srq {
312 struct ib_srq ibsrq;
313 struct mlx4_srq msrq;
314 struct mlx4_buf buf;
315 struct mlx4_db db;
316 u64 *wrid;
317 spinlock_t lock;
318 int head;
319 int tail;
320 u16 wqe_ctr;
321 struct ib_umem *umem;
322 struct mlx4_mtt mtt;
323 struct mutex mutex;
324 };
325
326 struct mlx4_ib_ah {
327 struct ib_ah ibah;
328 union mlx4_ext_av av;
329 };
330
331 /****************************************/
332 /* alias guid support */
333 /****************************************/
334 #define NUM_PORT_ALIAS_GUID 2
335 #define NUM_ALIAS_GUID_IN_REC 8
336 #define NUM_ALIAS_GUID_REC_IN_PORT 16
337 #define GUID_REC_SIZE 8
338 #define NUM_ALIAS_GUID_PER_PORT 128
339 #define MLX4_NOT_SET_GUID (0x00LL)
340 #define MLX4_GUID_FOR_DELETE_VAL (~(0x00LL))
341
342 enum mlx4_guid_alias_rec_status {
343 MLX4_GUID_INFO_STATUS_IDLE,
344 MLX4_GUID_INFO_STATUS_SET,
345 };
346
347 #define GUID_STATE_NEED_PORT_INIT 0x01
348
349 enum mlx4_guid_alias_rec_method {
350 MLX4_GUID_INFO_RECORD_SET = IB_MGMT_METHOD_SET,
351 MLX4_GUID_INFO_RECORD_DELETE = IB_SA_METHOD_DELETE,
352 };
353
354 struct mlx4_sriov_alias_guid_info_rec_det {
355 u8 all_recs[GUID_REC_SIZE * NUM_ALIAS_GUID_IN_REC];
356 ib_sa_comp_mask guid_indexes; /*indicates what from the 8 records are valid*/
357 enum mlx4_guid_alias_rec_status status; /*indicates the administraively status of the record.*/
358 unsigned int guids_retry_schedule[NUM_ALIAS_GUID_IN_REC];
359 u64 time_to_run;
360 };
361
362 struct mlx4_sriov_alias_guid_port_rec_det {
363 struct mlx4_sriov_alias_guid_info_rec_det all_rec_per_port[NUM_ALIAS_GUID_REC_IN_PORT];
364 struct workqueue_struct *wq;
365 struct delayed_work alias_guid_work;
366 u8 port;
367 u32 state_flags;
368 struct mlx4_sriov_alias_guid *parent;
369 struct list_head cb_list;
370 };
371
372 struct mlx4_sriov_alias_guid {
373 struct mlx4_sriov_alias_guid_port_rec_det ports_guid[MLX4_MAX_PORTS];
374 spinlock_t ag_work_lock;
375 struct ib_sa_client *sa_client;
376 };
377
378 struct mlx4_ib_demux_work {
379 struct work_struct work;
380 struct mlx4_ib_dev *dev;
381 int slave;
382 int do_init;
383 u8 port;
384
385 };
386
387 struct mlx4_ib_tun_tx_buf {
388 struct mlx4_ib_buf buf;
389 struct ib_ah *ah;
390 };
391
392 struct mlx4_ib_demux_pv_qp {
393 struct ib_qp *qp;
394 enum ib_qp_type proxy_qpt;
395 struct mlx4_ib_buf *ring;
396 struct mlx4_ib_tun_tx_buf *tx_ring;
397 spinlock_t tx_lock;
398 unsigned tx_ix_head;
399 unsigned tx_ix_tail;
400 };
401
402 enum mlx4_ib_demux_pv_state {
403 DEMUX_PV_STATE_DOWN,
404 DEMUX_PV_STATE_STARTING,
405 DEMUX_PV_STATE_ACTIVE,
406 DEMUX_PV_STATE_DOWNING,
407 };
408
409 struct mlx4_ib_demux_pv_ctx {
410 int port;
411 int slave;
412 enum mlx4_ib_demux_pv_state state;
413 int has_smi;
414 struct ib_device *ib_dev;
415 struct ib_cq *cq;
416 struct ib_pd *pd;
417 struct ib_mr *mr;
418 struct work_struct work;
419 struct workqueue_struct *wq;
420 struct mlx4_ib_demux_pv_qp qp[2];
421 };
422
423 struct mlx4_ib_demux_ctx {
424 struct ib_device *ib_dev;
425 int port;
426 struct workqueue_struct *wq;
427 struct workqueue_struct *ud_wq;
428 spinlock_t ud_lock;
429 __be64 subnet_prefix;
430 __be64 guid_cache[128];
431 struct mlx4_ib_dev *dev;
432 /* the following lock protects both mcg_table and mcg_mgid0_list */
433 struct mutex mcg_table_lock;
434 struct rb_root mcg_table;
435 struct list_head mcg_mgid0_list;
436 struct workqueue_struct *mcg_wq;
437 struct mlx4_ib_demux_pv_ctx **tun;
438 atomic_t tid;
439 int flushing; /* flushing the work queue */
440 };
441
442 struct mlx4_ib_sriov {
443 struct mlx4_ib_demux_ctx demux[MLX4_MAX_PORTS];
444 struct mlx4_ib_demux_pv_ctx *sqps[MLX4_MAX_PORTS];
445 /* when using this spinlock you should use "irq" because
446 * it may be called from interrupt context.*/
447 spinlock_t going_down_lock;
448 int is_going_down;
449
450 struct mlx4_sriov_alias_guid alias_guid;
451
452 /* CM paravirtualization fields */
453 struct list_head cm_list;
454 spinlock_t id_map_lock;
455 struct rb_root sl_id_map;
456 struct idr pv_id_table;
457 };
458
459 struct mlx4_ib_iboe {
460 spinlock_t lock;
461 struct net_device *netdevs[MLX4_MAX_PORTS];
462 struct net_device *masters[MLX4_MAX_PORTS];
463 atomic64_t mac[MLX4_MAX_PORTS];
464 struct notifier_block nb;
465 struct notifier_block nb_inet;
466 struct notifier_block nb_inet6;
467 union ib_gid gid_table[MLX4_MAX_PORTS][128];
468 };
469
470 struct pkey_mgt {
471 u8 virt2phys_pkey[MLX4_MFUNC_MAX][MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS];
472 u16 phys_pkey_cache[MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS];
473 struct list_head pkey_port_list[MLX4_MFUNC_MAX];
474 struct kobject *device_parent[MLX4_MFUNC_MAX];
475 };
476
477 struct mlx4_ib_iov_sysfs_attr {
478 void *ctx;
479 struct kobject *kobj;
480 unsigned long data;
481 u32 entry_num;
482 char name[15];
483 struct device_attribute dentry;
484 struct device *dev;
485 };
486
487 struct mlx4_ib_iov_sysfs_attr_ar {
488 struct mlx4_ib_iov_sysfs_attr dentries[3 * NUM_ALIAS_GUID_PER_PORT + 1];
489 };
490
491 struct mlx4_ib_iov_port {
492 char name[100];
493 u8 num;
494 struct mlx4_ib_dev *dev;
495 struct list_head list;
496 struct mlx4_ib_iov_sysfs_attr_ar *dentr_ar;
497 struct ib_port_attr attr;
498 struct kobject *cur_port;
499 struct kobject *admin_alias_parent;
500 struct kobject *gids_parent;
501 struct kobject *pkeys_parent;
502 struct kobject *mcgs_parent;
503 struct mlx4_ib_iov_sysfs_attr mcg_dentry;
504 };
505
506 struct mlx4_ib_dev {
507 struct ib_device ib_dev;
508 struct mlx4_dev *dev;
509 int num_ports;
510 void __iomem *uar_map;
511
512 struct mlx4_uar priv_uar;
513 u32 priv_pdn;
514 MLX4_DECLARE_DOORBELL_LOCK(uar_lock);
515
516 struct ib_mad_agent *send_agent[MLX4_MAX_PORTS][2];
517 struct ib_ah *sm_ah[MLX4_MAX_PORTS];
518 spinlock_t sm_lock;
519 struct mlx4_ib_sriov sriov;
520
521 struct mutex cap_mask_mutex;
522 bool ib_active;
523 struct mlx4_ib_iboe iboe;
524 int counters[MLX4_MAX_PORTS];
525 int *eq_table;
526 int eq_added;
527 struct kobject *iov_parent;
528 struct kobject *ports_parent;
529 struct kobject *dev_ports_parent[MLX4_MFUNC_MAX];
530 struct mlx4_ib_iov_port iov_ports[MLX4_MAX_PORTS];
531 struct pkey_mgt pkeys;
532 unsigned long *ib_uc_qpns_bitmap;
533 int steer_qpn_count;
534 int steer_qpn_base;
535 int steering_support;
536 struct mlx4_ib_qp *qp1_proxy[MLX4_MAX_PORTS];
537 /* lock when destroying qp1_proxy and getting netdev events */
538 struct mutex qp1_proxy_lock[MLX4_MAX_PORTS];
539 u8 bond_next_port;
540 /* protect resources needed as part of reset flow */
541 spinlock_t reset_flow_resource_lock;
542 struct list_head qp_list;
543 };
544
545 struct ib_event_work {
546 struct work_struct work;
547 struct mlx4_ib_dev *ib_dev;
548 struct mlx4_eqe ib_eqe;
549 };
550
551 struct mlx4_ib_qp_tunnel_init_attr {
552 struct ib_qp_init_attr init_attr;
553 int slave;
554 enum ib_qp_type proxy_qp_type;
555 u8 port;
556 };
557
to_mdev(struct ib_device * ibdev)558 static inline struct mlx4_ib_dev *to_mdev(struct ib_device *ibdev)
559 {
560 return container_of(ibdev, struct mlx4_ib_dev, ib_dev);
561 }
562
to_mucontext(struct ib_ucontext * ibucontext)563 static inline struct mlx4_ib_ucontext *to_mucontext(struct ib_ucontext *ibucontext)
564 {
565 return container_of(ibucontext, struct mlx4_ib_ucontext, ibucontext);
566 }
567
to_mpd(struct ib_pd * ibpd)568 static inline struct mlx4_ib_pd *to_mpd(struct ib_pd *ibpd)
569 {
570 return container_of(ibpd, struct mlx4_ib_pd, ibpd);
571 }
572
to_mxrcd(struct ib_xrcd * ibxrcd)573 static inline struct mlx4_ib_xrcd *to_mxrcd(struct ib_xrcd *ibxrcd)
574 {
575 return container_of(ibxrcd, struct mlx4_ib_xrcd, ibxrcd);
576 }
577
to_mcq(struct ib_cq * ibcq)578 static inline struct mlx4_ib_cq *to_mcq(struct ib_cq *ibcq)
579 {
580 return container_of(ibcq, struct mlx4_ib_cq, ibcq);
581 }
582
to_mibcq(struct mlx4_cq * mcq)583 static inline struct mlx4_ib_cq *to_mibcq(struct mlx4_cq *mcq)
584 {
585 return container_of(mcq, struct mlx4_ib_cq, mcq);
586 }
587
to_mmr(struct ib_mr * ibmr)588 static inline struct mlx4_ib_mr *to_mmr(struct ib_mr *ibmr)
589 {
590 return container_of(ibmr, struct mlx4_ib_mr, ibmr);
591 }
592
to_mmw(struct ib_mw * ibmw)593 static inline struct mlx4_ib_mw *to_mmw(struct ib_mw *ibmw)
594 {
595 return container_of(ibmw, struct mlx4_ib_mw, ibmw);
596 }
597
to_mfrpl(struct ib_fast_reg_page_list * ibfrpl)598 static inline struct mlx4_ib_fast_reg_page_list *to_mfrpl(struct ib_fast_reg_page_list *ibfrpl)
599 {
600 return container_of(ibfrpl, struct mlx4_ib_fast_reg_page_list, ibfrpl);
601 }
602
to_mfmr(struct ib_fmr * ibfmr)603 static inline struct mlx4_ib_fmr *to_mfmr(struct ib_fmr *ibfmr)
604 {
605 return container_of(ibfmr, struct mlx4_ib_fmr, ibfmr);
606 }
607
to_mflow(struct ib_flow * ibflow)608 static inline struct mlx4_ib_flow *to_mflow(struct ib_flow *ibflow)
609 {
610 return container_of(ibflow, struct mlx4_ib_flow, ibflow);
611 }
612
to_mqp(struct ib_qp * ibqp)613 static inline struct mlx4_ib_qp *to_mqp(struct ib_qp *ibqp)
614 {
615 return container_of(ibqp, struct mlx4_ib_qp, ibqp);
616 }
617
to_mibqp(struct mlx4_qp * mqp)618 static inline struct mlx4_ib_qp *to_mibqp(struct mlx4_qp *mqp)
619 {
620 return container_of(mqp, struct mlx4_ib_qp, mqp);
621 }
622
to_msrq(struct ib_srq * ibsrq)623 static inline struct mlx4_ib_srq *to_msrq(struct ib_srq *ibsrq)
624 {
625 return container_of(ibsrq, struct mlx4_ib_srq, ibsrq);
626 }
627
to_mibsrq(struct mlx4_srq * msrq)628 static inline struct mlx4_ib_srq *to_mibsrq(struct mlx4_srq *msrq)
629 {
630 return container_of(msrq, struct mlx4_ib_srq, msrq);
631 }
632
to_mah(struct ib_ah * ibah)633 static inline struct mlx4_ib_ah *to_mah(struct ib_ah *ibah)
634 {
635 return container_of(ibah, struct mlx4_ib_ah, ibah);
636 }
637
mlx4_ib_bond_next_port(struct mlx4_ib_dev * dev)638 static inline u8 mlx4_ib_bond_next_port(struct mlx4_ib_dev *dev)
639 {
640 dev->bond_next_port = (dev->bond_next_port + 1) % dev->num_ports;
641
642 return dev->bond_next_port + 1;
643 }
644
645 int mlx4_ib_init_sriov(struct mlx4_ib_dev *dev);
646 void mlx4_ib_close_sriov(struct mlx4_ib_dev *dev);
647
648 int mlx4_ib_db_map_user(struct mlx4_ib_ucontext *context, unsigned long virt,
649 struct mlx4_db *db);
650 void mlx4_ib_db_unmap_user(struct mlx4_ib_ucontext *context, struct mlx4_db *db);
651
652 struct ib_mr *mlx4_ib_get_dma_mr(struct ib_pd *pd, int acc);
653 int mlx4_ib_umem_write_mtt(struct mlx4_ib_dev *dev, struct mlx4_mtt *mtt,
654 struct ib_umem *umem);
655 struct ib_mr *mlx4_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
656 u64 virt_addr, int access_flags,
657 struct ib_udata *udata);
658 int mlx4_ib_dereg_mr(struct ib_mr *mr);
659 struct ib_mw *mlx4_ib_alloc_mw(struct ib_pd *pd, enum ib_mw_type type);
660 int mlx4_ib_bind_mw(struct ib_qp *qp, struct ib_mw *mw,
661 struct ib_mw_bind *mw_bind);
662 int mlx4_ib_dealloc_mw(struct ib_mw *mw);
663 struct ib_mr *mlx4_ib_alloc_fast_reg_mr(struct ib_pd *pd,
664 int max_page_list_len);
665 struct ib_fast_reg_page_list *mlx4_ib_alloc_fast_reg_page_list(struct ib_device *ibdev,
666 int page_list_len);
667 void mlx4_ib_free_fast_reg_page_list(struct ib_fast_reg_page_list *page_list);
668
669 int mlx4_ib_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period);
670 int mlx4_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata);
671 struct ib_cq *mlx4_ib_create_cq(struct ib_device *ibdev, int entries, int vector,
672 struct ib_ucontext *context,
673 struct ib_udata *udata);
674 int mlx4_ib_destroy_cq(struct ib_cq *cq);
675 int mlx4_ib_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc);
676 int mlx4_ib_arm_cq(struct ib_cq *cq, enum ib_cq_notify_flags flags);
677 void __mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq);
678 void mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq);
679
680 struct ib_ah *mlx4_ib_create_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr);
681 int mlx4_ib_query_ah(struct ib_ah *ibah, struct ib_ah_attr *ah_attr);
682 int mlx4_ib_destroy_ah(struct ib_ah *ah);
683
684 struct ib_srq *mlx4_ib_create_srq(struct ib_pd *pd,
685 struct ib_srq_init_attr *init_attr,
686 struct ib_udata *udata);
687 int mlx4_ib_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
688 enum ib_srq_attr_mask attr_mask, struct ib_udata *udata);
689 int mlx4_ib_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr);
690 int mlx4_ib_destroy_srq(struct ib_srq *srq);
691 void mlx4_ib_free_srq_wqe(struct mlx4_ib_srq *srq, int wqe_index);
692 int mlx4_ib_post_srq_recv(struct ib_srq *ibsrq, struct ib_recv_wr *wr,
693 struct ib_recv_wr **bad_wr);
694
695 struct ib_qp *mlx4_ib_create_qp(struct ib_pd *pd,
696 struct ib_qp_init_attr *init_attr,
697 struct ib_udata *udata);
698 int mlx4_ib_destroy_qp(struct ib_qp *qp);
699 int mlx4_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
700 int attr_mask, struct ib_udata *udata);
701 int mlx4_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr_mask,
702 struct ib_qp_init_attr *qp_init_attr);
703 int mlx4_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
704 struct ib_send_wr **bad_wr);
705 int mlx4_ib_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *wr,
706 struct ib_recv_wr **bad_wr);
707
708 int mlx4_MAD_IFC(struct mlx4_ib_dev *dev, int mad_ifc_flags,
709 int port, struct ib_wc *in_wc, struct ib_grh *in_grh,
710 void *in_mad, void *response_mad);
711 int mlx4_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
712 struct ib_wc *in_wc, struct ib_grh *in_grh,
713 struct ib_mad *in_mad, struct ib_mad *out_mad);
714 int mlx4_ib_mad_init(struct mlx4_ib_dev *dev);
715 void mlx4_ib_mad_cleanup(struct mlx4_ib_dev *dev);
716
717 struct ib_fmr *mlx4_ib_fmr_alloc(struct ib_pd *pd, int mr_access_flags,
718 struct ib_fmr_attr *fmr_attr);
719 int mlx4_ib_map_phys_fmr(struct ib_fmr *ibfmr, u64 *page_list, int npages,
720 u64 iova);
721 int mlx4_ib_unmap_fmr(struct list_head *fmr_list);
722 int mlx4_ib_fmr_dealloc(struct ib_fmr *fmr);
723 int __mlx4_ib_query_port(struct ib_device *ibdev, u8 port,
724 struct ib_port_attr *props, int netw_view);
725 int __mlx4_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index,
726 u16 *pkey, int netw_view);
727
728 int __mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index,
729 union ib_gid *gid, int netw_view);
730
mlx4_ib_ah_grh_present(struct mlx4_ib_ah * ah)731 static inline bool mlx4_ib_ah_grh_present(struct mlx4_ib_ah *ah)
732 {
733 u8 port = be32_to_cpu(ah->av.ib.port_pd) >> 24 & 3;
734
735 if (rdma_port_get_link_layer(ah->ibah.device, port) == IB_LINK_LAYER_ETHERNET)
736 return true;
737
738 return !!(ah->av.ib.g_slid & 0x80);
739 }
740
741 int mlx4_ib_mcg_port_init(struct mlx4_ib_demux_ctx *ctx);
742 void mlx4_ib_mcg_port_cleanup(struct mlx4_ib_demux_ctx *ctx, int destroy_wq);
743 void clean_vf_mcast(struct mlx4_ib_demux_ctx *ctx, int slave);
744 int mlx4_ib_mcg_init(void);
745 void mlx4_ib_mcg_destroy(void);
746
747 int mlx4_ib_find_real_gid(struct ib_device *ibdev, u8 port, __be64 guid);
748
749 int mlx4_ib_mcg_multiplex_handler(struct ib_device *ibdev, int port, int slave,
750 struct ib_sa_mad *sa_mad);
751 int mlx4_ib_mcg_demux_handler(struct ib_device *ibdev, int port, int slave,
752 struct ib_sa_mad *mad);
753
754 int mlx4_ib_add_mc(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp,
755 union ib_gid *gid);
756
757 void mlx4_ib_dispatch_event(struct mlx4_ib_dev *dev, u8 port_num,
758 enum ib_event_type type);
759
760 void mlx4_ib_tunnels_update_work(struct work_struct *work);
761
762 int mlx4_ib_send_to_slave(struct mlx4_ib_dev *dev, int slave, u8 port,
763 enum ib_qp_type qpt, struct ib_wc *wc,
764 struct ib_grh *grh, struct ib_mad *mad);
765
766 int mlx4_ib_send_to_wire(struct mlx4_ib_dev *dev, int slave, u8 port,
767 enum ib_qp_type dest_qpt, u16 pkey_index, u32 remote_qpn,
768 u32 qkey, struct ib_ah_attr *attr, u8 *s_mac,
769 struct ib_mad *mad);
770
771 __be64 mlx4_ib_get_new_demux_tid(struct mlx4_ib_demux_ctx *ctx);
772
773 int mlx4_ib_demux_cm_handler(struct ib_device *ibdev, int port, int *slave,
774 struct ib_mad *mad);
775
776 int mlx4_ib_multiplex_cm_handler(struct ib_device *ibdev, int port, int slave_id,
777 struct ib_mad *mad);
778
779 void mlx4_ib_cm_paravirt_init(struct mlx4_ib_dev *dev);
780 void mlx4_ib_cm_paravirt_clean(struct mlx4_ib_dev *dev, int slave_id);
781
782 /* alias guid support */
783 void mlx4_ib_init_alias_guid_work(struct mlx4_ib_dev *dev, int port);
784 int mlx4_ib_init_alias_guid_service(struct mlx4_ib_dev *dev);
785 void mlx4_ib_destroy_alias_guid_service(struct mlx4_ib_dev *dev);
786 void mlx4_ib_invalidate_all_guid_record(struct mlx4_ib_dev *dev, int port);
787
788 void mlx4_ib_notify_slaves_on_guid_change(struct mlx4_ib_dev *dev,
789 int block_num,
790 u8 port_num, u8 *p_data);
791
792 void mlx4_ib_update_cache_on_guid_change(struct mlx4_ib_dev *dev,
793 int block_num, u8 port_num,
794 u8 *p_data);
795
796 int add_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num,
797 struct attribute *attr);
798 void del_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num,
799 struct attribute *attr);
800 ib_sa_comp_mask mlx4_ib_get_aguid_comp_mask_from_ix(int index);
801 void mlx4_ib_slave_alias_guid_event(struct mlx4_ib_dev *dev, int slave,
802 int port, int slave_init);
803
804 int mlx4_ib_device_register_sysfs(struct mlx4_ib_dev *device) ;
805
806 void mlx4_ib_device_unregister_sysfs(struct mlx4_ib_dev *device);
807
808 __be64 mlx4_ib_gen_node_guid(void);
809
810 int mlx4_ib_steer_qp_alloc(struct mlx4_ib_dev *dev, int count, int *qpn);
811 void mlx4_ib_steer_qp_free(struct mlx4_ib_dev *dev, u32 qpn, int count);
812 int mlx4_ib_steer_qp_reg(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp,
813 int is_attach);
814 int mlx4_ib_rereg_user_mr(struct ib_mr *mr, int flags,
815 u64 start, u64 length, u64 virt_addr,
816 int mr_access_flags, struct ib_pd *pd,
817 struct ib_udata *udata);
818
819 #endif /* MLX4_IB_H */
820