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 #include <linux/rbtree.h>
42 #include <linux/notifier.h>
43
44 #include <asm/atomic64.h>
45
46 #include <rdma/ib_verbs.h>
47 #include <rdma/ib_umem.h>
48 #include <rdma/ib_mad.h>
49 #include <rdma/ib_sa.h>
50
51 #include <dev/mlx4/device.h>
52 #include <dev/mlx4/doorbell.h>
53
54 #define MLX4_IB_DRV_NAME "mlx4_ib"
55
56 #ifdef pr_fmt
57 #undef pr_fmt
58 #endif
59 #define pr_fmt(fmt) "<" MLX4_IB_DRV_NAME "> %s: " fmt, __func__
60
61 #define mlx4_ib_warn(ibdev, format, arg...) \
62 dev_warn((ibdev)->dma_device, MLX4_IB_DRV_NAME ": " format, ## arg)
63
64 enum {
65 MLX4_IB_SQ_MIN_WQE_SHIFT = 6,
66 MLX4_IB_MAX_HEADROOM = 2048
67 };
68
69 #define MLX4_IB_SQ_HEADROOM(shift) ((MLX4_IB_MAX_HEADROOM >> (shift)) + 1)
70 #define MLX4_IB_SQ_MAX_SPARE (MLX4_IB_SQ_HEADROOM(MLX4_IB_SQ_MIN_WQE_SHIFT))
71
72 /*module param to indicate if SM assigns the alias_GUID*/
73 extern int mlx4_ib_sm_guid_assign;
74 extern struct proc_dir_entry *mlx4_mrs_dir_entry;
75
76 #define MLX4_IB_UC_STEER_QPN_ALIGN 1
77 #define MLX4_IB_UC_MAX_NUM_QPS 256
78
79 enum hw_bar_type {
80 HW_BAR_BF,
81 HW_BAR_DB,
82 HW_BAR_CLOCK,
83 HW_BAR_COUNT
84 };
85
86 struct mlx4_ib_vma_private_data {
87 struct vm_area_struct *vma;
88 };
89
90 struct mlx4_ib_ucontext {
91 struct ib_ucontext ibucontext;
92 struct mlx4_uar uar;
93 struct list_head db_page_list;
94 struct mutex db_page_mutex;
95 struct mlx4_ib_vma_private_data hw_bar_info[HW_BAR_COUNT];
96 };
97
98 struct mlx4_ib_pd {
99 struct ib_pd ibpd;
100 u32 pdn;
101 };
102
103 struct mlx4_ib_xrcd {
104 struct ib_xrcd ibxrcd;
105 u32 xrcdn;
106 struct ib_pd *pd;
107 struct ib_cq *cq;
108 };
109
110 struct mlx4_ib_cq_buf {
111 struct mlx4_buf buf;
112 struct mlx4_mtt mtt;
113 int entry_size;
114 };
115
116 struct mlx4_ib_cq_resize {
117 struct mlx4_ib_cq_buf buf;
118 int cqe;
119 };
120
121 struct mlx4_ib_cq {
122 struct ib_cq ibcq;
123 struct mlx4_cq mcq;
124 struct mlx4_ib_cq_buf buf;
125 struct mlx4_ib_cq_resize *resize_buf;
126 struct mlx4_db db;
127 spinlock_t lock;
128 struct mutex resize_mutex;
129 struct ib_umem *umem;
130 struct ib_umem *resize_umem;
131 int create_flags;
132 /* List of qps that it serves.*/
133 struct list_head send_qp_list;
134 struct list_head recv_qp_list;
135 };
136
137 #define MLX4_MR_PAGES_ALIGN 0x40
138
139 struct mlx4_ib_mr {
140 struct ib_mr ibmr;
141 __be64 *pages;
142 dma_addr_t page_map;
143 u32 npages;
144 u32 max_pages;
145 struct mlx4_mr mmr;
146 struct ib_umem *umem;
147 size_t page_map_size;
148 };
149
150 struct mlx4_ib_mw {
151 struct ib_mw ibmw;
152 struct mlx4_mw mmw;
153 };
154
155 struct mlx4_ib_fmr {
156 struct ib_fmr ibfmr;
157 struct mlx4_fmr mfmr;
158 };
159
160 #define MAX_REGS_PER_FLOW 2
161
162 struct mlx4_flow_reg_id {
163 u64 id;
164 u64 mirror;
165 };
166
167 struct mlx4_ib_flow {
168 struct ib_flow ibflow;
169 /* translating DMFS verbs sniffer rule to FW API requires two reg IDs */
170 struct mlx4_flow_reg_id reg_id[MAX_REGS_PER_FLOW];
171 };
172
173 struct mlx4_ib_wq {
174 u64 *wrid;
175 spinlock_t lock;
176 int wqe_cnt;
177 int max_post;
178 int max_gs;
179 int offset;
180 int wqe_shift;
181 unsigned head;
182 unsigned tail;
183 };
184
185 enum {
186 MLX4_IB_QP_CREATE_ROCE_V2_GSI = IB_QP_CREATE_RESERVED_START
187 };
188
189 enum mlx4_ib_qp_flags {
190 MLX4_IB_QP_LSO = IB_QP_CREATE_IPOIB_UD_LSO,
191 MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK = IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK,
192 MLX4_IB_QP_NETIF = IB_QP_CREATE_NETIF_QP,
193 MLX4_IB_QP_CREATE_USE_GFP_NOIO = IB_QP_CREATE_USE_GFP_NOIO,
194
195 /* Mellanox specific flags start from IB_QP_CREATE_RESERVED_START */
196 MLX4_IB_ROCE_V2_GSI_QP = MLX4_IB_QP_CREATE_ROCE_V2_GSI,
197 MLX4_IB_SRIOV_TUNNEL_QP = 1 << 30,
198 MLX4_IB_SRIOV_SQP = 1U << 31,
199 };
200
201 struct mlx4_ib_gid_entry {
202 struct list_head list;
203 union ib_gid gid;
204 int added;
205 u8 port;
206 };
207
208 enum mlx4_ib_qp_type {
209 /*
210 * IB_QPT_SMI and IB_QPT_GSI have to be the first two entries
211 * here (and in that order) since the MAD layer uses them as
212 * indices into a 2-entry table.
213 */
214 MLX4_IB_QPT_SMI = IB_QPT_SMI,
215 MLX4_IB_QPT_GSI = IB_QPT_GSI,
216
217 MLX4_IB_QPT_RC = IB_QPT_RC,
218 MLX4_IB_QPT_UC = IB_QPT_UC,
219 MLX4_IB_QPT_UD = IB_QPT_UD,
220 MLX4_IB_QPT_RAW_IPV6 = IB_QPT_RAW_IPV6,
221 MLX4_IB_QPT_RAW_ETHERTYPE = IB_QPT_RAW_ETHERTYPE,
222 MLX4_IB_QPT_RAW_PACKET = IB_QPT_RAW_PACKET,
223 MLX4_IB_QPT_XRC_INI = IB_QPT_XRC_INI,
224 MLX4_IB_QPT_XRC_TGT = IB_QPT_XRC_TGT,
225
226 MLX4_IB_QPT_PROXY_SMI_OWNER = 1 << 16,
227 MLX4_IB_QPT_PROXY_SMI = 1 << 17,
228 MLX4_IB_QPT_PROXY_GSI = 1 << 18,
229 MLX4_IB_QPT_TUN_SMI_OWNER = 1 << 19,
230 MLX4_IB_QPT_TUN_SMI = 1 << 20,
231 MLX4_IB_QPT_TUN_GSI = 1 << 21,
232 };
233
234 #define MLX4_IB_QPT_ANY_SRIOV (MLX4_IB_QPT_PROXY_SMI_OWNER | \
235 MLX4_IB_QPT_PROXY_SMI | MLX4_IB_QPT_PROXY_GSI | MLX4_IB_QPT_TUN_SMI_OWNER | \
236 MLX4_IB_QPT_TUN_SMI | MLX4_IB_QPT_TUN_GSI)
237
238 enum mlx4_ib_mad_ifc_flags {
239 MLX4_MAD_IFC_IGNORE_MKEY = 1,
240 MLX4_MAD_IFC_IGNORE_BKEY = 2,
241 MLX4_MAD_IFC_IGNORE_KEYS = (MLX4_MAD_IFC_IGNORE_MKEY |
242 MLX4_MAD_IFC_IGNORE_BKEY),
243 MLX4_MAD_IFC_NET_VIEW = 4,
244 };
245
246 enum {
247 MLX4_NUM_TUNNEL_BUFS = 256,
248 };
249
250 struct mlx4_ib_tunnel_header {
251 struct mlx4_av av;
252 __be32 remote_qpn;
253 __be32 qkey;
254 __be16 vlan;
255 u8 mac[6];
256 __be16 pkey_index;
257 u8 reserved[6];
258 };
259
260 struct mlx4_ib_buf {
261 void *addr;
262 dma_addr_t map;
263 };
264
265 struct mlx4_rcv_tunnel_hdr {
266 __be32 flags_src_qp; /* flags[6:5] is defined for VLANs:
267 * 0x0 - no vlan was in the packet
268 * 0x01 - C-VLAN was in the packet */
269 u8 g_ml_path; /* gid bit stands for ipv6/4 header in RoCE */
270 u8 reserved;
271 __be16 pkey_index;
272 __be16 sl_vid;
273 __be16 slid_mac_47_32;
274 __be32 mac_31_0;
275 };
276
277 struct mlx4_ib_proxy_sqp_hdr {
278 struct ib_grh grh;
279 struct mlx4_rcv_tunnel_hdr tun;
280 } __packed;
281
282 struct mlx4_roce_smac_vlan_info {
283 u64 smac;
284 int smac_index;
285 int smac_port;
286 u64 candidate_smac;
287 int candidate_smac_index;
288 int candidate_smac_port;
289 u16 vid;
290 int vlan_index;
291 int vlan_port;
292 u16 candidate_vid;
293 int candidate_vlan_index;
294 int candidate_vlan_port;
295 int update_vid;
296 };
297
298 struct mlx4_ib_qp {
299 struct ib_qp ibqp;
300 struct mlx4_qp mqp;
301 struct mlx4_buf buf;
302
303 struct mlx4_db db;
304 struct mlx4_ib_wq rq;
305
306 u32 doorbell_qpn;
307 __be32 sq_signal_bits;
308 unsigned sq_next_wqe;
309 int sq_max_wqes_per_wr;
310 int sq_spare_wqes;
311 struct mlx4_ib_wq sq;
312
313 enum mlx4_ib_qp_type mlx4_ib_qp_type;
314 struct ib_umem *umem;
315 struct mlx4_mtt mtt;
316 int buf_size;
317 struct mutex mutex;
318 u16 xrcdn;
319 u32 flags;
320 u8 port;
321 u8 alt_port;
322 u8 atomic_rd_en;
323 u8 resp_depth;
324 u8 sq_no_prefetch;
325 u8 state;
326 int mlx_type;
327 struct list_head gid_list;
328 struct list_head steering_rules;
329 struct mlx4_ib_buf *sqp_proxy_rcv;
330 struct mlx4_roce_smac_vlan_info pri;
331 struct mlx4_roce_smac_vlan_info alt;
332 u64 reg_id;
333 struct list_head qps_list;
334 struct list_head cq_recv_list;
335 struct list_head cq_send_list;
336 struct counter_index *counter_index;
337 };
338
339 struct mlx4_ib_srq {
340 struct ib_srq ibsrq;
341 struct mlx4_srq msrq;
342 struct mlx4_buf buf;
343 struct mlx4_db db;
344 u64 *wrid;
345 spinlock_t lock;
346 int head;
347 int tail;
348 u16 wqe_ctr;
349 struct ib_umem *umem;
350 struct mlx4_mtt mtt;
351 struct mutex mutex;
352 };
353
354 struct mlx4_ib_ah {
355 struct ib_ah ibah;
356 union mlx4_ext_av av;
357 };
358
359 /****************************************/
360 /* alias guid support */
361 /****************************************/
362 #define NUM_PORT_ALIAS_GUID 2
363 #define NUM_ALIAS_GUID_IN_REC 8
364 #define NUM_ALIAS_GUID_REC_IN_PORT 16
365 #define GUID_REC_SIZE 8
366 #define NUM_ALIAS_GUID_PER_PORT 128
367 #define MLX4_NOT_SET_GUID (0x00LL)
368 #define MLX4_GUID_FOR_DELETE_VAL (~(0x00LL))
369
370 enum mlx4_guid_alias_rec_status {
371 MLX4_GUID_INFO_STATUS_IDLE,
372 MLX4_GUID_INFO_STATUS_SET,
373 };
374
375 #define GUID_STATE_NEED_PORT_INIT 0x01
376
377 enum mlx4_guid_alias_rec_method {
378 MLX4_GUID_INFO_RECORD_SET = IB_MGMT_METHOD_SET,
379 MLX4_GUID_INFO_RECORD_DELETE = IB_SA_METHOD_DELETE,
380 };
381
382 struct mlx4_sriov_alias_guid_info_rec_det {
383 u8 all_recs[GUID_REC_SIZE * NUM_ALIAS_GUID_IN_REC];
384 ib_sa_comp_mask guid_indexes; /*indicates what from the 8 records are valid*/
385 enum mlx4_guid_alias_rec_status status; /*indicates the administraively status of the record.*/
386 unsigned int guids_retry_schedule[NUM_ALIAS_GUID_IN_REC];
387 u64 time_to_run;
388 };
389
390 struct mlx4_sriov_alias_guid_port_rec_det {
391 struct mlx4_sriov_alias_guid_info_rec_det all_rec_per_port[NUM_ALIAS_GUID_REC_IN_PORT];
392 struct workqueue_struct *wq;
393 struct delayed_work alias_guid_work;
394 u8 port;
395 u32 state_flags;
396 struct mlx4_sriov_alias_guid *parent;
397 struct list_head cb_list;
398 };
399
400 struct mlx4_sriov_alias_guid {
401 struct mlx4_sriov_alias_guid_port_rec_det ports_guid[MLX4_MAX_PORTS];
402 spinlock_t ag_work_lock;
403 struct ib_sa_client *sa_client;
404 };
405
406 struct mlx4_ib_demux_work {
407 struct work_struct work;
408 struct mlx4_ib_dev *dev;
409 int slave;
410 int do_init;
411 u8 port;
412
413 };
414
415 struct mlx4_ib_tun_tx_buf {
416 struct mlx4_ib_buf buf;
417 struct ib_ah *ah;
418 };
419
420 struct mlx4_ib_demux_pv_qp {
421 struct ib_qp *qp;
422 enum ib_qp_type proxy_qpt;
423 struct mlx4_ib_buf *ring;
424 struct mlx4_ib_tun_tx_buf *tx_ring;
425 spinlock_t tx_lock;
426 unsigned tx_ix_head;
427 unsigned tx_ix_tail;
428 };
429
430 enum mlx4_ib_demux_pv_state {
431 DEMUX_PV_STATE_DOWN,
432 DEMUX_PV_STATE_STARTING,
433 DEMUX_PV_STATE_ACTIVE,
434 DEMUX_PV_STATE_DOWNING,
435 };
436
437 struct mlx4_ib_demux_pv_ctx {
438 int port;
439 int slave;
440 enum mlx4_ib_demux_pv_state state;
441 int has_smi;
442 struct ib_device *ib_dev;
443 struct ib_cq *cq;
444 struct ib_pd *pd;
445 struct work_struct work;
446 struct workqueue_struct *wq;
447 struct mlx4_ib_demux_pv_qp qp[2];
448 };
449
450 struct mlx4_ib_demux_ctx {
451 struct ib_device *ib_dev;
452 int port;
453 struct workqueue_struct *wq;
454 struct workqueue_struct *ud_wq;
455 spinlock_t ud_lock;
456 atomic64_t subnet_prefix;
457 __be64 guid_cache[128];
458 struct mlx4_ib_dev *dev;
459 /* the following lock protects both mcg_table and mcg_mgid0_list */
460 struct mutex mcg_table_lock;
461 struct rb_root mcg_table;
462 struct list_head mcg_mgid0_list;
463 struct workqueue_struct *mcg_wq;
464 struct mlx4_ib_demux_pv_ctx **tun;
465 atomic_t tid;
466 int flushing; /* flushing the work queue */
467 };
468
469 struct mlx4_ib_sriov {
470 struct mlx4_ib_demux_ctx demux[MLX4_MAX_PORTS];
471 struct mlx4_ib_demux_pv_ctx *sqps[MLX4_MAX_PORTS];
472 /* when using this spinlock you should use "irq" because
473 * it may be called from interrupt context.*/
474 spinlock_t going_down_lock;
475 int is_going_down;
476
477 struct mlx4_sriov_alias_guid alias_guid;
478
479 /* CM paravirtualization fields */
480 struct list_head cm_list;
481 spinlock_t id_map_lock;
482 struct rb_root sl_id_map;
483 struct idr pv_id_table;
484 };
485
486 struct gid_cache_context {
487 int real_index;
488 int refcount;
489 };
490
491 struct gid_entry {
492 union ib_gid gid;
493 enum ib_gid_type gid_type;
494 struct gid_cache_context *ctx;
495 };
496
497 struct mlx4_port_gid_table {
498 struct gid_entry gids[MLX4_MAX_PORT_GIDS];
499 };
500
501 struct mlx4_ib_iboe {
502 spinlock_t lock;
503 struct ifnet *netdevs[MLX4_MAX_PORTS];
504 atomic64_t mac[MLX4_MAX_PORTS];
505 struct notifier_block nb;
506 struct mlx4_port_gid_table gids[MLX4_MAX_PORTS];
507 };
508
509 struct pkey_mgt {
510 u8 virt2phys_pkey[MLX4_MFUNC_MAX][MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS];
511 u16 phys_pkey_cache[MLX4_MAX_PORTS][MLX4_MAX_PORT_PKEYS];
512 struct list_head pkey_port_list[MLX4_MFUNC_MAX];
513 struct kobject *device_parent[MLX4_MFUNC_MAX];
514 };
515
516 struct mlx4_ib_iov_sysfs_attr {
517 void *ctx;
518 struct kobject *kobj;
519 unsigned long data;
520 u32 entry_num;
521 char name[15];
522 struct device_attribute dentry;
523 struct device *dev;
524 };
525
526 struct mlx4_ib_iov_sysfs_attr_ar {
527 struct mlx4_ib_iov_sysfs_attr dentries[3 * NUM_ALIAS_GUID_PER_PORT + 1];
528 };
529
530 struct mlx4_ib_iov_port {
531 char name[100];
532 u8 num;
533 struct mlx4_ib_dev *dev;
534 struct list_head list;
535 struct mlx4_ib_iov_sysfs_attr_ar *dentr_ar;
536 struct ib_port_attr attr;
537 struct kobject *cur_port;
538 struct kobject *admin_alias_parent;
539 struct kobject *gids_parent;
540 struct kobject *pkeys_parent;
541 struct kobject *mcgs_parent;
542 struct mlx4_ib_iov_sysfs_attr mcg_dentry;
543 };
544
545 struct counter_index {
546 struct list_head list;
547 u32 index;
548 u8 allocated;
549 };
550
551 struct mlx4_ib_counters {
552 struct list_head counters_list;
553 struct mutex mutex; /* mutex for accessing counters list */
554 u32 default_counter;
555 };
556
557 #define MLX4_DIAG_COUNTERS_TYPES 2
558
559 struct mlx4_ib_diag_counters {
560 const char **name;
561 u32 *offset;
562 u32 num_counters;
563 };
564
565 struct mlx4_ib_dev {
566 struct ib_device ib_dev;
567 struct mlx4_dev *dev;
568 int num_ports;
569 void __iomem *uar_map;
570
571 struct mlx4_uar priv_uar;
572 u32 priv_pdn;
573 MLX4_DECLARE_DOORBELL_LOCK(uar_lock);
574
575 struct ib_mad_agent *send_agent[MLX4_MAX_PORTS][2];
576 struct ib_ah *sm_ah[MLX4_MAX_PORTS];
577 spinlock_t sm_lock;
578 atomic64_t sl2vl[MLX4_MAX_PORTS];
579 struct mlx4_ib_sriov sriov;
580
581 struct mutex cap_mask_mutex;
582 bool ib_active;
583 struct mlx4_ib_iboe iboe;
584 struct mlx4_ib_counters counters_table[MLX4_MAX_PORTS];
585 int *eq_table;
586 struct kobject *iov_parent;
587 struct kobject *ports_parent;
588 struct kobject *dev_ports_parent[MLX4_MFUNC_MAX];
589 struct mlx4_ib_iov_port iov_ports[MLX4_MAX_PORTS];
590 struct pkey_mgt pkeys;
591 unsigned long *ib_uc_qpns_bitmap;
592 int steer_qpn_count;
593 int steer_qpn_base;
594 int steering_support;
595 struct mlx4_ib_qp *qp1_proxy[MLX4_MAX_PORTS];
596 /* lock when destroying qp1_proxy and getting netdev events */
597 struct mutex qp1_proxy_lock[MLX4_MAX_PORTS];
598 u8 bond_next_port;
599 /* protect resources needed as part of reset flow */
600 spinlock_t reset_flow_resource_lock;
601 struct list_head qp_list;
602 struct mlx4_ib_diag_counters diag_counters[MLX4_DIAG_COUNTERS_TYPES];
603 };
604
605 struct ib_event_work {
606 struct work_struct work;
607 struct mlx4_ib_dev *ib_dev;
608 struct mlx4_eqe ib_eqe;
609 int port;
610 };
611
612 struct mlx4_ib_qp_tunnel_init_attr {
613 struct ib_qp_init_attr init_attr;
614 int slave;
615 enum ib_qp_type proxy_qp_type;
616 u8 port;
617 };
618
619 struct mlx4_uverbs_ex_query_device {
620 __u32 comp_mask;
621 __u32 reserved;
622 };
623
624 enum query_device_resp_mask {
625 QUERY_DEVICE_RESP_MASK_TIMESTAMP = 1UL << 0,
626 };
627
628 struct mlx4_uverbs_ex_query_device_resp {
629 __u32 comp_mask;
630 __u32 response_length;
631 __u64 hca_core_clock_offset;
632 };
633
to_mdev(struct ib_device * ibdev)634 static inline struct mlx4_ib_dev *to_mdev(struct ib_device *ibdev)
635 {
636 return container_of(ibdev, struct mlx4_ib_dev, ib_dev);
637 }
638
to_mucontext(struct ib_ucontext * ibucontext)639 static inline struct mlx4_ib_ucontext *to_mucontext(struct ib_ucontext *ibucontext)
640 {
641 return container_of(ibucontext, struct mlx4_ib_ucontext, ibucontext);
642 }
643
to_mpd(struct ib_pd * ibpd)644 static inline struct mlx4_ib_pd *to_mpd(struct ib_pd *ibpd)
645 {
646 return container_of(ibpd, struct mlx4_ib_pd, ibpd);
647 }
648
to_mxrcd(struct ib_xrcd * ibxrcd)649 static inline struct mlx4_ib_xrcd *to_mxrcd(struct ib_xrcd *ibxrcd)
650 {
651 return container_of(ibxrcd, struct mlx4_ib_xrcd, ibxrcd);
652 }
653
to_mcq(struct ib_cq * ibcq)654 static inline struct mlx4_ib_cq *to_mcq(struct ib_cq *ibcq)
655 {
656 return container_of(ibcq, struct mlx4_ib_cq, ibcq);
657 }
658
to_mibcq(struct mlx4_cq * mcq)659 static inline struct mlx4_ib_cq *to_mibcq(struct mlx4_cq *mcq)
660 {
661 return container_of(mcq, struct mlx4_ib_cq, mcq);
662 }
663
to_mmr(struct ib_mr * ibmr)664 static inline struct mlx4_ib_mr *to_mmr(struct ib_mr *ibmr)
665 {
666 return container_of(ibmr, struct mlx4_ib_mr, ibmr);
667 }
668
to_mmw(struct ib_mw * ibmw)669 static inline struct mlx4_ib_mw *to_mmw(struct ib_mw *ibmw)
670 {
671 return container_of(ibmw, struct mlx4_ib_mw, ibmw);
672 }
673
to_mfmr(struct ib_fmr * ibfmr)674 static inline struct mlx4_ib_fmr *to_mfmr(struct ib_fmr *ibfmr)
675 {
676 return container_of(ibfmr, struct mlx4_ib_fmr, ibfmr);
677 }
678
to_mflow(struct ib_flow * ibflow)679 static inline struct mlx4_ib_flow *to_mflow(struct ib_flow *ibflow)
680 {
681 return container_of(ibflow, struct mlx4_ib_flow, ibflow);
682 }
683
to_mqp(struct ib_qp * ibqp)684 static inline struct mlx4_ib_qp *to_mqp(struct ib_qp *ibqp)
685 {
686 return container_of(ibqp, struct mlx4_ib_qp, ibqp);
687 }
688
to_mibqp(struct mlx4_qp * mqp)689 static inline struct mlx4_ib_qp *to_mibqp(struct mlx4_qp *mqp)
690 {
691 return container_of(mqp, struct mlx4_ib_qp, mqp);
692 }
693
to_msrq(struct ib_srq * ibsrq)694 static inline struct mlx4_ib_srq *to_msrq(struct ib_srq *ibsrq)
695 {
696 return container_of(ibsrq, struct mlx4_ib_srq, ibsrq);
697 }
698
to_mibsrq(struct mlx4_srq * msrq)699 static inline struct mlx4_ib_srq *to_mibsrq(struct mlx4_srq *msrq)
700 {
701 return container_of(msrq, struct mlx4_ib_srq, msrq);
702 }
703
to_mah(struct ib_ah * ibah)704 static inline struct mlx4_ib_ah *to_mah(struct ib_ah *ibah)
705 {
706 return container_of(ibah, struct mlx4_ib_ah, ibah);
707 }
708
mlx4_ib_bond_next_port(struct mlx4_ib_dev * dev)709 static inline u8 mlx4_ib_bond_next_port(struct mlx4_ib_dev *dev)
710 {
711 dev->bond_next_port = (dev->bond_next_port + 1) % dev->num_ports;
712
713 return dev->bond_next_port + 1;
714 }
715
716 int mlx4_ib_init_sriov(struct mlx4_ib_dev *dev);
717 void mlx4_ib_close_sriov(struct mlx4_ib_dev *dev);
718
719 int mlx4_ib_db_map_user(struct mlx4_ib_ucontext *context, unsigned long virt,
720 struct mlx4_db *db);
721 void mlx4_ib_db_unmap_user(struct mlx4_ib_ucontext *context, struct mlx4_db *db);
722
723 struct ib_mr *mlx4_ib_get_dma_mr(struct ib_pd *pd, int acc);
724 int mlx4_ib_umem_write_mtt(struct mlx4_ib_dev *dev, struct mlx4_mtt *mtt,
725 struct ib_umem *umem);
726 struct ib_mr *mlx4_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
727 u64 virt_addr, int access_flags,
728 struct ib_udata *udata);
729 int mlx4_ib_dereg_mr(struct ib_mr *mr);
730 struct ib_mw *mlx4_ib_alloc_mw(struct ib_pd *pd, enum ib_mw_type type,
731 struct ib_udata *udata);
732 int mlx4_ib_dealloc_mw(struct ib_mw *mw);
733 struct ib_mr *mlx4_ib_alloc_mr(struct ib_pd *pd,
734 enum ib_mr_type mr_type,
735 u32 max_num_sg);
736 int mlx4_ib_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg, int sg_nents,
737 unsigned int *sg_offset);
738 int mlx4_ib_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period);
739 int mlx4_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata);
740 struct ib_cq *mlx4_ib_create_cq(struct ib_device *ibdev,
741 const struct ib_cq_init_attr *attr,
742 struct ib_ucontext *context,
743 struct ib_udata *udata);
744 int mlx4_ib_destroy_cq(struct ib_cq *cq);
745 int mlx4_ib_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc);
746 int mlx4_ib_arm_cq(struct ib_cq *cq, enum ib_cq_notify_flags flags);
747 void __mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq);
748 void mlx4_ib_cq_clean(struct mlx4_ib_cq *cq, u32 qpn, struct mlx4_ib_srq *srq);
749
750 struct ib_ah *mlx4_ib_create_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr,
751 struct ib_udata *udata);
752 int mlx4_ib_query_ah(struct ib_ah *ibah, struct ib_ah_attr *ah_attr);
753 int mlx4_ib_destroy_ah(struct ib_ah *ah);
754
755 struct ib_srq *mlx4_ib_create_srq(struct ib_pd *pd,
756 struct ib_srq_init_attr *init_attr,
757 struct ib_udata *udata);
758 int mlx4_ib_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
759 enum ib_srq_attr_mask attr_mask, struct ib_udata *udata);
760 int mlx4_ib_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr);
761 int mlx4_ib_destroy_srq(struct ib_srq *srq);
762 void mlx4_ib_free_srq_wqe(struct mlx4_ib_srq *srq, int wqe_index);
763 int mlx4_ib_post_srq_recv(struct ib_srq *ibsrq, const struct ib_recv_wr *wr,
764 const struct ib_recv_wr **bad_wr);
765
766 struct ib_qp *mlx4_ib_create_qp(struct ib_pd *pd,
767 struct ib_qp_init_attr *init_attr,
768 struct ib_udata *udata);
769 int mlx4_ib_destroy_qp(struct ib_qp *qp);
770 int mlx4_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
771 int attr_mask, struct ib_udata *udata);
772 int mlx4_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr_mask,
773 struct ib_qp_init_attr *qp_init_attr);
774 int mlx4_ib_post_send(struct ib_qp *ibqp, const struct ib_send_wr *wr,
775 const struct ib_send_wr **bad_wr);
776 int mlx4_ib_post_recv(struct ib_qp *ibqp, const struct ib_recv_wr *wr,
777 const struct ib_recv_wr **bad_wr);
778
779 int mlx4_MAD_IFC(struct mlx4_ib_dev *dev, int mad_ifc_flags,
780 int port, const struct ib_wc *in_wc, const struct ib_grh *in_grh,
781 const void *in_mad, void *response_mad);
782 int mlx4_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
783 const struct ib_wc *in_wc, const struct ib_grh *in_grh,
784 const struct ib_mad_hdr *in, size_t in_mad_size,
785 struct ib_mad_hdr *out, size_t *out_mad_size,
786 u16 *out_mad_pkey_index);
787 int mlx4_ib_mad_init(struct mlx4_ib_dev *dev);
788 void mlx4_ib_mad_cleanup(struct mlx4_ib_dev *dev);
789
790 struct ib_fmr *mlx4_ib_fmr_alloc(struct ib_pd *pd, int mr_access_flags,
791 struct ib_fmr_attr *fmr_attr);
792 int mlx4_ib_map_phys_fmr(struct ib_fmr *ibfmr, u64 *page_list, int npages,
793 u64 iova);
794 int mlx4_ib_unmap_fmr(struct list_head *fmr_list);
795 int mlx4_ib_fmr_dealloc(struct ib_fmr *fmr);
796 int __mlx4_ib_query_port(struct ib_device *ibdev, u8 port,
797 struct ib_port_attr *props, int netw_view);
798 int __mlx4_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index,
799 u16 *pkey, int netw_view);
800
801 int __mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index,
802 union ib_gid *gid, int netw_view);
803
mlx4_ib_ah_grh_present(struct mlx4_ib_ah * ah)804 static inline bool mlx4_ib_ah_grh_present(struct mlx4_ib_ah *ah)
805 {
806 u8 port = be32_to_cpu(ah->av.ib.port_pd) >> 24 & 3;
807
808 if (rdma_port_get_link_layer(ah->ibah.device, port) == IB_LINK_LAYER_ETHERNET)
809 return true;
810
811 return !!(ah->av.ib.g_slid & 0x80);
812 }
813
814 int mlx4_ib_mcg_port_init(struct mlx4_ib_demux_ctx *ctx);
815 void mlx4_ib_mcg_port_cleanup(struct mlx4_ib_demux_ctx *ctx, int destroy_wq);
816 void clean_vf_mcast(struct mlx4_ib_demux_ctx *ctx, int slave);
817 int mlx4_ib_mcg_init(void);
818 void mlx4_ib_mcg_destroy(void);
819
820 int mlx4_ib_find_real_gid(struct ib_device *ibdev, u8 port, __be64 guid);
821
822 int mlx4_ib_mcg_multiplex_handler(struct ib_device *ibdev, int port, int slave,
823 struct ib_sa_mad *sa_mad);
824 int mlx4_ib_mcg_demux_handler(struct ib_device *ibdev, int port, int slave,
825 struct ib_sa_mad *mad);
826
827 int mlx4_ib_add_mc(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp,
828 union ib_gid *gid);
829
830 void mlx4_ib_dispatch_event(struct mlx4_ib_dev *dev, u8 port_num,
831 enum ib_event_type type);
832
833 void mlx4_ib_tunnels_update_work(struct work_struct *work);
834
835 int mlx4_ib_send_to_slave(struct mlx4_ib_dev *dev, int slave, u8 port,
836 enum ib_qp_type qpt, struct ib_wc *wc,
837 struct ib_grh *grh, struct ib_mad *mad);
838
839 int mlx4_ib_send_to_wire(struct mlx4_ib_dev *dev, int slave, u8 port,
840 enum ib_qp_type dest_qpt, u16 pkey_index, u32 remote_qpn,
841 u32 qkey, struct ib_ah_attr *attr, u8 *s_mac,
842 u16 vlan_id, struct ib_mad *mad);
843
844 __be64 mlx4_ib_get_new_demux_tid(struct mlx4_ib_demux_ctx *ctx);
845
846 int mlx4_ib_demux_cm_handler(struct ib_device *ibdev, int port, int *slave,
847 struct ib_mad *mad);
848
849 int mlx4_ib_multiplex_cm_handler(struct ib_device *ibdev, int port, int slave_id,
850 struct ib_mad *mad);
851
852 void mlx4_ib_cm_paravirt_init(struct mlx4_ib_dev *dev);
853 void mlx4_ib_cm_paravirt_clean(struct mlx4_ib_dev *dev, int slave_id);
854
855 /* alias guid support */
856 void mlx4_ib_init_alias_guid_work(struct mlx4_ib_dev *dev, int port);
857 int mlx4_ib_init_alias_guid_service(struct mlx4_ib_dev *dev);
858 void mlx4_ib_destroy_alias_guid_service(struct mlx4_ib_dev *dev);
859 void mlx4_ib_invalidate_all_guid_record(struct mlx4_ib_dev *dev, int port);
860
861 void mlx4_ib_notify_slaves_on_guid_change(struct mlx4_ib_dev *dev,
862 int block_num,
863 u8 port_num, u8 *p_data);
864
865 void mlx4_ib_update_cache_on_guid_change(struct mlx4_ib_dev *dev,
866 int block_num, u8 port_num,
867 u8 *p_data);
868
869 int add_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num,
870 struct attribute *attr);
871 void del_sysfs_port_mcg_attr(struct mlx4_ib_dev *device, int port_num,
872 struct attribute *attr);
873 ib_sa_comp_mask mlx4_ib_get_aguid_comp_mask_from_ix(int index);
874 void mlx4_ib_slave_alias_guid_event(struct mlx4_ib_dev *dev, int slave,
875 int port, int slave_init);
876
877 int mlx4_ib_device_register_sysfs(struct mlx4_ib_dev *device) ;
878
879 void mlx4_ib_device_unregister_sysfs(struct mlx4_ib_dev *device);
880
881 __be64 mlx4_ib_gen_node_guid(void);
882
883 int mlx4_ib_steer_qp_alloc(struct mlx4_ib_dev *dev, int count, int *qpn);
884 void mlx4_ib_steer_qp_free(struct mlx4_ib_dev *dev, u32 qpn, int count);
885 int mlx4_ib_steer_qp_reg(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp,
886 int is_attach);
887 int mlx4_ib_rereg_user_mr(struct ib_mr *mr, int flags,
888 u64 start, u64 length, u64 virt_addr,
889 int mr_access_flags, struct ib_pd *pd,
890 struct ib_udata *udata);
891 int mlx4_ib_gid_index_to_real_index(struct mlx4_ib_dev *ibdev,
892 u8 port_num, int index);
893
894 void mlx4_sched_ib_sl2vl_update_work(struct mlx4_ib_dev *ibdev,
895 int port);
896
897 void mlx4_ib_sl2vl_update(struct mlx4_ib_dev *mdev, int port);
898
899 #endif /* MLX4_IB_H */
900