1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3 * Copyright (c) 2022 Microsoft Corporation. All rights reserved.
4 */
5
6 #ifndef _MANA_IB_H_
7 #define _MANA_IB_H_
8
9 #include <rdma/ib_verbs.h>
10 #include <rdma/ib_mad.h>
11 #include <rdma/ib_umem.h>
12 #include <rdma/mana-abi.h>
13 #include <rdma/uverbs_ioctl.h>
14 #include <linux/dmapool.h>
15
16 #include <net/mana/mana.h>
17 #include "shadow_queue.h"
18 #include "counters.h"
19
20 #define PAGE_SZ_BM \
21 (SZ_4K | SZ_8K | SZ_16K | SZ_32K | SZ_64K | SZ_128K | SZ_256K | \
22 SZ_512K | SZ_1M | SZ_2M)
23
24 /* MANA doesn't have any limit for MR size */
25 #define MANA_IB_MAX_MR_SIZE U64_MAX
26
27 /* Send queue ID mask */
28 #define MANA_SENDQ_MASK BIT(31)
29
30 /*
31 * The hardware limit of number of MRs is greater than maximum number of MRs
32 * that can possibly represent in 24 bits
33 */
34 #define MANA_IB_MAX_MR 0xFFFFFFu
35
36 /*
37 * The CA timeout is approx. 260ms (4us * 2^(DELAY))
38 */
39 #define MANA_CA_ACK_DELAY 16
40
41 /*
42 * The buffer used for writing AV
43 */
44 #define MANA_AV_BUFFER_SIZE 64
45
46 struct mana_ib_adapter_caps {
47 u32 max_sq_id;
48 u32 max_rq_id;
49 u32 max_cq_id;
50 u32 max_qp_count;
51 u32 max_cq_count;
52 u32 max_mr_count;
53 u32 max_pd_count;
54 u32 max_inbound_read_limit;
55 u32 max_outbound_read_limit;
56 u32 mw_count;
57 u32 max_srq_count;
58 u32 max_qp_wr;
59 u32 max_send_sge_count;
60 u32 max_recv_sge_count;
61 u32 max_inline_data_size;
62 u64 feature_flags;
63 u64 page_size_cap;
64 };
65
66 struct mana_ib_queue {
67 struct ib_umem *umem;
68 struct gdma_queue *kmem;
69 u64 gdma_region;
70 u64 id;
71 };
72
73 struct mana_ib_dev {
74 struct ib_device ib_dev;
75 struct gdma_dev *gdma_dev;
76 mana_handle_t adapter_handle;
77 struct gdma_queue *fatal_err_eq;
78 struct gdma_queue **eqs;
79 struct xarray qp_table_wq;
80 struct mana_ib_adapter_caps adapter_caps;
81 struct dma_pool *av_pool;
82 netdevice_tracker dev_tracker;
83 struct notifier_block nb;
84 };
85
86 struct mana_ib_wq {
87 struct ib_wq ibwq;
88 struct mana_ib_queue queue;
89 int wqe;
90 u32 wq_buf_size;
91 mana_handle_t rx_object;
92 };
93
94 struct mana_ib_pd {
95 struct ib_pd ibpd;
96 u32 pdn;
97 mana_handle_t pd_handle;
98
99 /* Mutex for sharing access to vport_use_count */
100 struct mutex vport_mutex;
101 int vport_use_count;
102
103 bool tx_shortform_allowed;
104 u32 tx_vp_offset;
105 };
106
107 struct mana_ib_av {
108 u8 dest_ip[16];
109 u8 dest_mac[ETH_ALEN];
110 u16 udp_src_port;
111 u8 src_ip[16];
112 u32 hop_limit : 8;
113 u32 reserved1 : 12;
114 u32 dscp : 6;
115 u32 reserved2 : 5;
116 u32 is_ipv6 : 1;
117 u32 reserved3 : 32;
118 };
119
120 struct mana_ib_ah {
121 struct ib_ah ibah;
122 struct mana_ib_av *av;
123 dma_addr_t dma_handle;
124 };
125
126 struct mana_ib_mr {
127 struct ib_mr ibmr;
128 struct ib_umem *umem;
129 mana_handle_t mr_handle;
130 };
131
132 struct mana_ib_cq {
133 struct ib_cq ibcq;
134 struct mana_ib_queue queue;
135 /* protects CQ polling */
136 spinlock_t cq_lock;
137 struct list_head list_send_qp;
138 struct list_head list_recv_qp;
139 int cqe;
140 u32 comp_vector;
141 mana_handle_t cq_handle;
142 };
143
144 enum mana_rc_queue_type {
145 MANA_RC_SEND_QUEUE_REQUESTER = 0,
146 MANA_RC_SEND_QUEUE_RESPONDER,
147 MANA_RC_SEND_QUEUE_FMR,
148 MANA_RC_RECV_QUEUE_REQUESTER,
149 MANA_RC_RECV_QUEUE_RESPONDER,
150 MANA_RC_QUEUE_TYPE_MAX,
151 };
152
153 struct mana_ib_rc_qp {
154 struct mana_ib_queue queues[MANA_RC_QUEUE_TYPE_MAX];
155 };
156
157 enum mana_ud_queue_type {
158 MANA_UD_SEND_QUEUE = 0,
159 MANA_UD_RECV_QUEUE,
160 MANA_UD_QUEUE_TYPE_MAX,
161 };
162
163 struct mana_ib_ud_qp {
164 struct mana_ib_queue queues[MANA_UD_QUEUE_TYPE_MAX];
165 u32 sq_psn;
166 };
167
168 struct mana_ib_qp {
169 struct ib_qp ibqp;
170
171 mana_handle_t qp_handle;
172 union {
173 struct mana_ib_queue raw_sq;
174 struct mana_ib_rc_qp rc_qp;
175 struct mana_ib_ud_qp ud_qp;
176 };
177
178 /* The port on the IB device, starting with 1 */
179 u32 port;
180
181 struct list_head cq_send_list;
182 struct list_head cq_recv_list;
183 struct shadow_queue shadow_rq;
184 struct shadow_queue shadow_sq;
185
186 refcount_t refcount;
187 struct completion free;
188 };
189
190 struct mana_ib_ucontext {
191 struct ib_ucontext ibucontext;
192 u32 doorbell;
193 };
194
195 struct mana_ib_rwq_ind_table {
196 struct ib_rwq_ind_table ib_ind_table;
197 };
198
199 enum mana_ib_command_code {
200 MANA_IB_GET_ADAPTER_CAP = 0x30001,
201 MANA_IB_CREATE_ADAPTER = 0x30002,
202 MANA_IB_DESTROY_ADAPTER = 0x30003,
203 MANA_IB_CONFIG_IP_ADDR = 0x30004,
204 MANA_IB_CONFIG_MAC_ADDR = 0x30005,
205 MANA_IB_CREATE_UD_QP = 0x30006,
206 MANA_IB_DESTROY_UD_QP = 0x30007,
207 MANA_IB_CREATE_CQ = 0x30008,
208 MANA_IB_DESTROY_CQ = 0x30009,
209 MANA_IB_CREATE_RC_QP = 0x3000a,
210 MANA_IB_DESTROY_RC_QP = 0x3000b,
211 MANA_IB_SET_QP_STATE = 0x3000d,
212 MANA_IB_QUERY_VF_COUNTERS = 0x30022,
213 };
214
215 struct mana_ib_query_adapter_caps_req {
216 struct gdma_req_hdr hdr;
217 }; /*HW Data */
218
219 enum mana_ib_adapter_features {
220 MANA_IB_FEATURE_CLIENT_ERROR_CQE_SUPPORT = BIT(4),
221 };
222
223 struct mana_ib_query_adapter_caps_resp {
224 struct gdma_resp_hdr hdr;
225 u32 max_sq_id;
226 u32 max_rq_id;
227 u32 max_cq_id;
228 u32 max_qp_count;
229 u32 max_cq_count;
230 u32 max_mr_count;
231 u32 max_pd_count;
232 u32 max_inbound_read_limit;
233 u32 max_outbound_read_limit;
234 u32 mw_count;
235 u32 max_srq_count;
236 u32 max_requester_sq_size;
237 u32 max_responder_sq_size;
238 u32 max_requester_rq_size;
239 u32 max_responder_rq_size;
240 u32 max_send_sge_count;
241 u32 max_recv_sge_count;
242 u32 max_inline_data_size;
243 u64 feature_flags;
244 }; /* HW Data */
245
246 enum mana_ib_adapter_features_request {
247 MANA_IB_FEATURE_CLIENT_ERROR_CQE_REQUEST = BIT(1),
248 }; /*HW Data */
249
250 struct mana_rnic_create_adapter_req {
251 struct gdma_req_hdr hdr;
252 u32 notify_eq_id;
253 u32 reserved;
254 u64 feature_flags;
255 }; /*HW Data */
256
257 struct mana_rnic_create_adapter_resp {
258 struct gdma_resp_hdr hdr;
259 mana_handle_t adapter;
260 }; /* HW Data */
261
262 struct mana_rnic_destroy_adapter_req {
263 struct gdma_req_hdr hdr;
264 mana_handle_t adapter;
265 }; /*HW Data */
266
267 struct mana_rnic_destroy_adapter_resp {
268 struct gdma_resp_hdr hdr;
269 }; /* HW Data */
270
271 enum mana_ib_addr_op {
272 ADDR_OP_ADD = 1,
273 ADDR_OP_REMOVE = 2,
274 };
275
276 enum sgid_entry_type {
277 SGID_TYPE_IPV4 = 1,
278 SGID_TYPE_IPV6 = 2,
279 };
280
281 struct mana_rnic_config_addr_req {
282 struct gdma_req_hdr hdr;
283 mana_handle_t adapter;
284 enum mana_ib_addr_op op;
285 enum sgid_entry_type sgid_type;
286 u8 ip_addr[16];
287 }; /* HW Data */
288
289 struct mana_rnic_config_addr_resp {
290 struct gdma_resp_hdr hdr;
291 }; /* HW Data */
292
293 struct mana_rnic_config_mac_addr_req {
294 struct gdma_req_hdr hdr;
295 mana_handle_t adapter;
296 enum mana_ib_addr_op op;
297 u8 mac_addr[ETH_ALEN];
298 u8 reserved[6];
299 }; /* HW Data */
300
301 struct mana_rnic_config_mac_addr_resp {
302 struct gdma_resp_hdr hdr;
303 }; /* HW Data */
304
305 struct mana_rnic_create_cq_req {
306 struct gdma_req_hdr hdr;
307 mana_handle_t adapter;
308 u64 gdma_region;
309 u32 eq_id;
310 u32 doorbell_page;
311 }; /* HW Data */
312
313 struct mana_rnic_create_cq_resp {
314 struct gdma_resp_hdr hdr;
315 mana_handle_t cq_handle;
316 u32 cq_id;
317 u32 reserved;
318 }; /* HW Data */
319
320 struct mana_rnic_destroy_cq_req {
321 struct gdma_req_hdr hdr;
322 mana_handle_t adapter;
323 mana_handle_t cq_handle;
324 }; /* HW Data */
325
326 struct mana_rnic_destroy_cq_resp {
327 struct gdma_resp_hdr hdr;
328 }; /* HW Data */
329
330 enum mana_rnic_create_rc_flags {
331 MANA_RC_FLAG_NO_FMR = 2,
332 };
333
334 struct mana_rnic_create_qp_req {
335 struct gdma_req_hdr hdr;
336 mana_handle_t adapter;
337 mana_handle_t pd_handle;
338 mana_handle_t send_cq_handle;
339 mana_handle_t recv_cq_handle;
340 u64 dma_region[MANA_RC_QUEUE_TYPE_MAX];
341 u64 deprecated[2];
342 u64 flags;
343 u32 doorbell_page;
344 u32 max_send_wr;
345 u32 max_recv_wr;
346 u32 max_send_sge;
347 u32 max_recv_sge;
348 u32 reserved;
349 }; /* HW Data */
350
351 struct mana_rnic_create_qp_resp {
352 struct gdma_resp_hdr hdr;
353 mana_handle_t rc_qp_handle;
354 u32 queue_ids[MANA_RC_QUEUE_TYPE_MAX];
355 u32 reserved;
356 }; /* HW Data*/
357
358 struct mana_rnic_destroy_rc_qp_req {
359 struct gdma_req_hdr hdr;
360 mana_handle_t adapter;
361 mana_handle_t rc_qp_handle;
362 }; /* HW Data */
363
364 struct mana_rnic_destroy_rc_qp_resp {
365 struct gdma_resp_hdr hdr;
366 }; /* HW Data */
367
368 struct mana_rnic_create_udqp_req {
369 struct gdma_req_hdr hdr;
370 mana_handle_t adapter;
371 mana_handle_t pd_handle;
372 mana_handle_t send_cq_handle;
373 mana_handle_t recv_cq_handle;
374 u64 dma_region[MANA_UD_QUEUE_TYPE_MAX];
375 u32 qp_type;
376 u32 doorbell_page;
377 u32 max_send_wr;
378 u32 max_recv_wr;
379 u32 max_send_sge;
380 u32 max_recv_sge;
381 }; /* HW Data */
382
383 struct mana_rnic_create_udqp_resp {
384 struct gdma_resp_hdr hdr;
385 mana_handle_t qp_handle;
386 u32 queue_ids[MANA_UD_QUEUE_TYPE_MAX];
387 }; /* HW Data*/
388
389 struct mana_rnic_destroy_udqp_req {
390 struct gdma_req_hdr hdr;
391 mana_handle_t adapter;
392 mana_handle_t qp_handle;
393 }; /* HW Data */
394
395 struct mana_rnic_destroy_udqp_resp {
396 struct gdma_resp_hdr hdr;
397 }; /* HW Data */
398
399 struct mana_ib_ah_attr {
400 u8 src_addr[16];
401 u8 dest_addr[16];
402 u8 src_mac[ETH_ALEN];
403 u8 dest_mac[ETH_ALEN];
404 u8 src_addr_type;
405 u8 dest_addr_type;
406 u8 hop_limit;
407 u8 traffic_class;
408 u16 src_port;
409 u16 dest_port;
410 u32 reserved;
411 };
412
413 struct mana_rnic_set_qp_state_req {
414 struct gdma_req_hdr hdr;
415 mana_handle_t adapter;
416 mana_handle_t qp_handle;
417 u64 attr_mask;
418 u32 qp_state;
419 u32 path_mtu;
420 u32 rq_psn;
421 u32 sq_psn;
422 u32 dest_qpn;
423 u32 max_dest_rd_atomic;
424 u32 retry_cnt;
425 u32 rnr_retry;
426 u32 min_rnr_timer;
427 u32 reserved;
428 struct mana_ib_ah_attr ah_attr;
429 }; /* HW Data */
430
431 struct mana_rnic_set_qp_state_resp {
432 struct gdma_resp_hdr hdr;
433 }; /* HW Data */
434
435 enum WQE_OPCODE_TYPES {
436 WQE_TYPE_UD_SEND = 0,
437 WQE_TYPE_UD_RECV = 8,
438 }; /* HW DATA */
439
440 struct rdma_send_oob {
441 u32 wqe_type : 5;
442 u32 fence : 1;
443 u32 signaled : 1;
444 u32 solicited : 1;
445 u32 psn : 24;
446
447 u32 ssn_or_rqpn : 24;
448 u32 reserved1 : 8;
449 union {
450 struct {
451 u32 remote_qkey;
452 u32 immediate;
453 u32 reserved1;
454 u32 reserved2;
455 } ud_send;
456 };
457 }; /* HW DATA */
458
459 struct mana_rdma_cqe {
460 union {
461 struct {
462 u8 cqe_type;
463 u8 data[GDMA_COMP_DATA_SIZE - 1];
464 };
465 struct {
466 u32 cqe_type : 8;
467 u32 vendor_error : 9;
468 u32 reserved1 : 15;
469 u32 sge_offset : 5;
470 u32 tx_wqe_offset : 27;
471 } ud_send;
472 struct {
473 u32 cqe_type : 8;
474 u32 reserved1 : 24;
475 u32 msg_len;
476 u32 src_qpn : 24;
477 u32 reserved2 : 8;
478 u32 imm_data;
479 u32 rx_wqe_offset;
480 } ud_recv;
481 };
482 }; /* HW DATA */
483
484 struct mana_rnic_query_vf_cntrs_req {
485 struct gdma_req_hdr hdr;
486 mana_handle_t adapter;
487 }; /* HW Data */
488
489 struct mana_rnic_query_vf_cntrs_resp {
490 struct gdma_resp_hdr hdr;
491 u64 requester_timeout;
492 u64 requester_oos_nak;
493 u64 requester_rnr_nak;
494 u64 responder_rnr_nak;
495 u64 responder_oos;
496 u64 responder_dup_request;
497 u64 requester_implicit_nak;
498 u64 requester_readresp_psn_mismatch;
499 u64 nak_inv_req;
500 u64 nak_access_err;
501 u64 nak_opp_err;
502 u64 nak_inv_read;
503 u64 responder_local_len_err;
504 u64 requestor_local_prot_err;
505 u64 responder_rem_access_err;
506 u64 responder_local_qp_err;
507 u64 responder_malformed_wqe;
508 u64 general_hw_err;
509 u64 requester_rnr_nak_retries_exceeded;
510 u64 requester_retries_exceeded;
511 u64 total_fatal_err;
512 u64 received_cnps;
513 u64 num_qps_congested;
514 u64 rate_inc_events;
515 u64 num_qps_recovered;
516 u64 current_rate;
517 }; /* HW Data */
518
mdev_to_gc(struct mana_ib_dev * mdev)519 static inline struct gdma_context *mdev_to_gc(struct mana_ib_dev *mdev)
520 {
521 return mdev->gdma_dev->gdma_context;
522 }
523
mana_get_qp_ref(struct mana_ib_dev * mdev,u32 qid,bool is_sq)524 static inline struct mana_ib_qp *mana_get_qp_ref(struct mana_ib_dev *mdev,
525 u32 qid, bool is_sq)
526 {
527 struct mana_ib_qp *qp;
528 unsigned long flag;
529
530 if (is_sq)
531 qid |= MANA_SENDQ_MASK;
532
533 xa_lock_irqsave(&mdev->qp_table_wq, flag);
534 qp = xa_load(&mdev->qp_table_wq, qid);
535 if (qp)
536 refcount_inc(&qp->refcount);
537 xa_unlock_irqrestore(&mdev->qp_table_wq, flag);
538 return qp;
539 }
540
mana_put_qp_ref(struct mana_ib_qp * qp)541 static inline void mana_put_qp_ref(struct mana_ib_qp *qp)
542 {
543 if (refcount_dec_and_test(&qp->refcount))
544 complete(&qp->free);
545 }
546
mana_ib_is_rnic(struct mana_ib_dev * mdev)547 static inline bool mana_ib_is_rnic(struct mana_ib_dev *mdev)
548 {
549 return mdev->gdma_dev->dev_id.type == GDMA_DEVICE_MANA_IB;
550 }
551
mana_ib_get_netdev(struct ib_device * ibdev,u32 port)552 static inline struct net_device *mana_ib_get_netdev(struct ib_device *ibdev, u32 port)
553 {
554 struct mana_ib_dev *mdev = container_of(ibdev, struct mana_ib_dev, ib_dev);
555 struct gdma_context *gc = mdev_to_gc(mdev);
556 struct mana_context *mc = gc->mana.driver_data;
557
558 if (port < 1 || port > mc->num_ports)
559 return NULL;
560 return mc->ports[port - 1];
561 }
562
copy_in_reverse(u8 * dst,const u8 * src,u32 size)563 static inline void copy_in_reverse(u8 *dst, const u8 *src, u32 size)
564 {
565 u32 i;
566
567 for (i = 0; i < size; i++)
568 dst[size - 1 - i] = src[i];
569 }
570
571 int mana_ib_install_cq_cb(struct mana_ib_dev *mdev, struct mana_ib_cq *cq);
572 void mana_ib_remove_cq_cb(struct mana_ib_dev *mdev, struct mana_ib_cq *cq);
573
574 int mana_ib_create_zero_offset_dma_region(struct mana_ib_dev *dev, struct ib_umem *umem,
575 mana_handle_t *gdma_region);
576
577 int mana_ib_create_dma_region(struct mana_ib_dev *dev, struct ib_umem *umem,
578 mana_handle_t *gdma_region, u64 virt);
579
580 int mana_ib_gd_destroy_dma_region(struct mana_ib_dev *dev,
581 mana_handle_t gdma_region);
582
583 int mana_ib_create_kernel_queue(struct mana_ib_dev *mdev, u32 size, enum gdma_queue_type type,
584 struct mana_ib_queue *queue);
585 int mana_ib_create_queue(struct mana_ib_dev *mdev, u64 addr, u32 size,
586 struct mana_ib_queue *queue);
587 void mana_ib_destroy_queue(struct mana_ib_dev *mdev, struct mana_ib_queue *queue);
588
589 struct ib_wq *mana_ib_create_wq(struct ib_pd *pd,
590 struct ib_wq_init_attr *init_attr,
591 struct ib_udata *udata);
592
593 int mana_ib_modify_wq(struct ib_wq *wq, struct ib_wq_attr *wq_attr,
594 u32 wq_attr_mask, struct ib_udata *udata);
595
596 int mana_ib_destroy_wq(struct ib_wq *ibwq, struct ib_udata *udata);
597
598 int mana_ib_create_rwq_ind_table(struct ib_rwq_ind_table *ib_rwq_ind_table,
599 struct ib_rwq_ind_table_init_attr *init_attr,
600 struct ib_udata *udata);
601
602 int mana_ib_destroy_rwq_ind_table(struct ib_rwq_ind_table *ib_rwq_ind_tbl);
603
604 struct ib_mr *mana_ib_get_dma_mr(struct ib_pd *ibpd, int access_flags);
605
606 struct ib_mr *mana_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
607 u64 iova, int access_flags,
608 struct ib_udata *udata);
609
610 int mana_ib_dereg_mr(struct ib_mr *ibmr, struct ib_udata *udata);
611
612 int mana_ib_create_qp(struct ib_qp *qp, struct ib_qp_init_attr *qp_init_attr,
613 struct ib_udata *udata);
614
615 int mana_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
616 int attr_mask, struct ib_udata *udata);
617
618 int mana_ib_destroy_qp(struct ib_qp *ibqp, struct ib_udata *udata);
619
620 int mana_ib_cfg_vport(struct mana_ib_dev *dev, u32 port_id,
621 struct mana_ib_pd *pd, u32 doorbell_id);
622 void mana_ib_uncfg_vport(struct mana_ib_dev *dev, struct mana_ib_pd *pd,
623 u32 port);
624
625 int mana_ib_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr,
626 struct uverbs_attr_bundle *attrs);
627
628 int mana_ib_destroy_cq(struct ib_cq *ibcq, struct ib_udata *udata);
629
630 int mana_ib_alloc_pd(struct ib_pd *ibpd, struct ib_udata *udata);
631 int mana_ib_dealloc_pd(struct ib_pd *ibpd, struct ib_udata *udata);
632
633 int mana_ib_alloc_ucontext(struct ib_ucontext *ibcontext,
634 struct ib_udata *udata);
635 void mana_ib_dealloc_ucontext(struct ib_ucontext *ibcontext);
636
637 int mana_ib_mmap(struct ib_ucontext *ibcontext, struct vm_area_struct *vma);
638
639 int mana_ib_get_port_immutable(struct ib_device *ibdev, u32 port_num,
640 struct ib_port_immutable *immutable);
641 int mana_ib_query_device(struct ib_device *ibdev, struct ib_device_attr *props,
642 struct ib_udata *uhw);
643 int mana_ib_query_port(struct ib_device *ibdev, u32 port,
644 struct ib_port_attr *props);
645 int mana_ib_query_gid(struct ib_device *ibdev, u32 port, int index,
646 union ib_gid *gid);
647
648 void mana_ib_disassociate_ucontext(struct ib_ucontext *ibcontext);
649
650 int mana_ib_gd_query_adapter_caps(struct mana_ib_dev *mdev);
651 int mana_eth_query_adapter_caps(struct mana_ib_dev *mdev);
652
653 int mana_ib_create_eqs(struct mana_ib_dev *mdev);
654
655 void mana_ib_destroy_eqs(struct mana_ib_dev *mdev);
656
657 int mana_ib_gd_create_rnic_adapter(struct mana_ib_dev *mdev);
658
659 int mana_ib_gd_destroy_rnic_adapter(struct mana_ib_dev *mdev);
660
661 int mana_ib_query_pkey(struct ib_device *ibdev, u32 port, u16 index, u16 *pkey);
662
663 enum rdma_link_layer mana_ib_get_link_layer(struct ib_device *device, u32 port_num);
664
665 int mana_ib_gd_add_gid(const struct ib_gid_attr *attr, void **context);
666
667 int mana_ib_gd_del_gid(const struct ib_gid_attr *attr, void **context);
668
669 int mana_ib_gd_config_mac(struct mana_ib_dev *mdev, enum mana_ib_addr_op op, u8 *mac);
670
671 int mana_ib_gd_create_cq(struct mana_ib_dev *mdev, struct mana_ib_cq *cq, u32 doorbell);
672
673 int mana_ib_gd_destroy_cq(struct mana_ib_dev *mdev, struct mana_ib_cq *cq);
674
675 int mana_ib_gd_create_rc_qp(struct mana_ib_dev *mdev, struct mana_ib_qp *qp,
676 struct ib_qp_init_attr *attr, u32 doorbell, u64 flags);
677 int mana_ib_gd_destroy_rc_qp(struct mana_ib_dev *mdev, struct mana_ib_qp *qp);
678
679 int mana_ib_gd_create_ud_qp(struct mana_ib_dev *mdev, struct mana_ib_qp *qp,
680 struct ib_qp_init_attr *attr, u32 doorbell, u32 type);
681 int mana_ib_gd_destroy_ud_qp(struct mana_ib_dev *mdev, struct mana_ib_qp *qp);
682
683 int mana_ib_create_ah(struct ib_ah *ibah, struct rdma_ah_init_attr *init_attr,
684 struct ib_udata *udata);
685 int mana_ib_destroy_ah(struct ib_ah *ah, u32 flags);
686
687 int mana_ib_post_recv(struct ib_qp *ibqp, const struct ib_recv_wr *wr,
688 const struct ib_recv_wr **bad_wr);
689 int mana_ib_post_send(struct ib_qp *ibqp, const struct ib_send_wr *wr,
690 const struct ib_send_wr **bad_wr);
691
692 int mana_ib_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc);
693 int mana_ib_arm_cq(struct ib_cq *ibcq, enum ib_cq_notify_flags flags);
694
695 struct ib_mr *mana_ib_reg_user_mr_dmabuf(struct ib_pd *ibpd, u64 start, u64 length,
696 u64 iova, int fd, int mr_access_flags,
697 struct uverbs_attr_bundle *attrs);
698 #endif
699