1 /* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
2 /* QLogic qed NIC Driver
3  * Copyright (c) 2015-2017  QLogic Corporation
4  * Copyright (c) 2019-2020 Marvell International Ltd.
5  */
6 
7 #ifndef _QED_RDMA_IF_H
8 #define _QED_RDMA_IF_H
9 #include <linux/types.h>
10 #include <linux/delay.h>
11 #include <linux/list.h>
12 #include <linux/slab.h>
13 #include <linux/qed/qed_if.h>
14 #include <linux/qed/qed_ll2_if.h>
15 #include <linux/qed/rdma_common.h>
16 
17 #define QED_RDMA_MAX_CNQ_SIZE               (0xFFFF)
18 
19 /* rdma interface */
20 
21 enum qed_roce_qp_state {
22 	QED_ROCE_QP_STATE_RESET,
23 	QED_ROCE_QP_STATE_INIT,
24 	QED_ROCE_QP_STATE_RTR,
25 	QED_ROCE_QP_STATE_RTS,
26 	QED_ROCE_QP_STATE_SQD,
27 	QED_ROCE_QP_STATE_ERR,
28 	QED_ROCE_QP_STATE_SQE
29 };
30 
31 enum qed_rdma_qp_type {
32 	QED_RDMA_QP_TYPE_RC,
33 	QED_RDMA_QP_TYPE_XRC_INI,
34 	QED_RDMA_QP_TYPE_XRC_TGT,
35 	QED_RDMA_QP_TYPE_INVAL = 0xffff,
36 };
37 
38 enum qed_rdma_tid_type {
39 	QED_RDMA_TID_REGISTERED_MR,
40 	QED_RDMA_TID_FMR,
41 	QED_RDMA_TID_MW
42 };
43 
44 struct qed_rdma_events {
45 	void *context;
46 	void (*affiliated_event)(void *context, u8 fw_event_code,
47 				 void *fw_handle);
48 	void (*unaffiliated_event)(void *context, u8 event_code);
49 };
50 
51 struct qed_rdma_device {
52 	u32 vendor_id;
53 	u32 vendor_part_id;
54 	u32 hw_ver;
55 	u64 fw_ver;
56 
57 	u64 node_guid;
58 	u64 sys_image_guid;
59 
60 	u8 max_cnq;
61 	u8 max_sge;
62 	u8 max_srq_sge;
63 	u16 max_inline;
64 	u32 max_wqe;
65 	u32 max_srq_wqe;
66 	u8 max_qp_resp_rd_atomic_resc;
67 	u8 max_qp_req_rd_atomic_resc;
68 	u64 max_dev_resp_rd_atomic_resc;
69 	u32 max_cq;
70 	u32 max_qp;
71 	u32 max_srq;
72 	u32 max_mr;
73 	u64 max_mr_size;
74 	u32 max_cqe;
75 	u32 max_mw;
76 	u32 max_mr_mw_fmr_pbl;
77 	u64 max_mr_mw_fmr_size;
78 	u32 max_pd;
79 	u32 max_ah;
80 	u8 max_pkey;
81 	u16 max_srq_wr;
82 	u8 max_stats_queues;
83 	u32 dev_caps;
84 
85 	/* Abilty to support RNR-NAK generation */
86 
87 #define QED_RDMA_DEV_CAP_RNR_NAK_MASK                           0x1
88 #define QED_RDMA_DEV_CAP_RNR_NAK_SHIFT                  0
89 	/* Abilty to support shutdown port */
90 #define QED_RDMA_DEV_CAP_SHUTDOWN_PORT_MASK                     0x1
91 #define QED_RDMA_DEV_CAP_SHUTDOWN_PORT_SHIFT                    1
92 	/* Abilty to support port active event */
93 #define QED_RDMA_DEV_CAP_PORT_ACTIVE_EVENT_MASK         0x1
94 #define QED_RDMA_DEV_CAP_PORT_ACTIVE_EVENT_SHIFT                2
95 	/* Abilty to support port change event */
96 #define QED_RDMA_DEV_CAP_PORT_CHANGE_EVENT_MASK         0x1
97 #define QED_RDMA_DEV_CAP_PORT_CHANGE_EVENT_SHIFT                3
98 	/* Abilty to support system image GUID */
99 #define QED_RDMA_DEV_CAP_SYS_IMAGE_MASK                 0x1
100 #define QED_RDMA_DEV_CAP_SYS_IMAGE_SHIFT                        4
101 	/* Abilty to support bad P_Key counter support */
102 #define QED_RDMA_DEV_CAP_BAD_PKEY_CNT_MASK                      0x1
103 #define QED_RDMA_DEV_CAP_BAD_PKEY_CNT_SHIFT                     5
104 	/* Abilty to support atomic operations */
105 #define QED_RDMA_DEV_CAP_ATOMIC_OP_MASK                 0x1
106 #define QED_RDMA_DEV_CAP_ATOMIC_OP_SHIFT                        6
107 #define QED_RDMA_DEV_CAP_RESIZE_CQ_MASK                 0x1
108 #define QED_RDMA_DEV_CAP_RESIZE_CQ_SHIFT                        7
109 	/* Abilty to support modifying the maximum number of
110 	 * outstanding work requests per QP
111 	 */
112 #define QED_RDMA_DEV_CAP_RESIZE_MAX_WR_MASK                     0x1
113 #define QED_RDMA_DEV_CAP_RESIZE_MAX_WR_SHIFT                    8
114 	/* Abilty to support automatic path migration */
115 #define QED_RDMA_DEV_CAP_AUTO_PATH_MIG_MASK                     0x1
116 #define QED_RDMA_DEV_CAP_AUTO_PATH_MIG_SHIFT                    9
117 	/* Abilty to support the base memory management extensions */
118 #define QED_RDMA_DEV_CAP_BASE_MEMORY_EXT_MASK                   0x1
119 #define QED_RDMA_DEV_CAP_BASE_MEMORY_EXT_SHIFT          10
120 #define QED_RDMA_DEV_CAP_BASE_QUEUE_EXT_MASK                    0x1
121 #define QED_RDMA_DEV_CAP_BASE_QUEUE_EXT_SHIFT                   11
122 	/* Abilty to support multipile page sizes per memory region */
123 #define QED_RDMA_DEV_CAP_MULTI_PAGE_PER_MR_EXT_MASK             0x1
124 #define QED_RDMA_DEV_CAP_MULTI_PAGE_PER_MR_EXT_SHIFT            12
125 	/* Abilty to support block list physical buffer list */
126 #define QED_RDMA_DEV_CAP_BLOCK_MODE_MASK                        0x1
127 #define QED_RDMA_DEV_CAP_BLOCK_MODE_SHIFT                       13
128 	/* Abilty to support zero based virtual addresses */
129 #define QED_RDMA_DEV_CAP_ZBVA_MASK                              0x1
130 #define QED_RDMA_DEV_CAP_ZBVA_SHIFT                             14
131 	/* Abilty to support local invalidate fencing */
132 #define QED_RDMA_DEV_CAP_LOCAL_INV_FENCE_MASK                   0x1
133 #define QED_RDMA_DEV_CAP_LOCAL_INV_FENCE_SHIFT          15
134 	/* Abilty to support Loopback on QP */
135 #define QED_RDMA_DEV_CAP_LB_INDICATOR_MASK                      0x1
136 #define QED_RDMA_DEV_CAP_LB_INDICATOR_SHIFT                     16
137 	u64 page_size_caps;
138 	u8 dev_ack_delay;
139 	u32 reserved_lkey;
140 	u32 bad_pkey_counter;
141 	struct qed_rdma_events events;
142 };
143 
144 enum qed_port_state {
145 	QED_RDMA_PORT_UP,
146 	QED_RDMA_PORT_DOWN,
147 };
148 
149 enum qed_roce_capability {
150 	QED_ROCE_V1 = 1 << 0,
151 	QED_ROCE_V2 = 1 << 1,
152 };
153 
154 struct qed_rdma_port {
155 	enum qed_port_state port_state;
156 	int link_speed;
157 	u64 max_msg_size;
158 	u8 source_gid_table_len;
159 	void *source_gid_table_ptr;
160 	u8 pkey_table_len;
161 	void *pkey_table_ptr;
162 	u32 pkey_bad_counter;
163 	enum qed_roce_capability capability;
164 };
165 
166 struct qed_rdma_cnq_params {
167 	u8 num_pbl_pages;
168 	u64 pbl_ptr;
169 };
170 
171 /* The CQ Mode affects the CQ doorbell transaction size.
172  * 64/32 bit machines should configure to 32/16 bits respectively.
173  */
174 enum qed_rdma_cq_mode {
175 	QED_RDMA_CQ_MODE_16_BITS,
176 	QED_RDMA_CQ_MODE_32_BITS,
177 };
178 
179 struct qed_roce_dcqcn_params {
180 	u8 notification_point;
181 	u8 reaction_point;
182 
183 	/* fields for notification point */
184 	u32 cnp_send_timeout;
185 
186 	/* fields for reaction point */
187 	u32 rl_bc_rate;
188 	u16 rl_max_rate;
189 	u16 rl_r_ai;
190 	u16 rl_r_hai;
191 	u16 dcqcn_g;
192 	u32 dcqcn_k_us;
193 	u32 dcqcn_timeout_us;
194 };
195 
196 struct qed_rdma_start_in_params {
197 	struct qed_rdma_events *events;
198 	struct qed_rdma_cnq_params cnq_pbl_list[128];
199 	u8 desired_cnq;
200 	enum qed_rdma_cq_mode cq_mode;
201 	struct qed_roce_dcqcn_params dcqcn_params;
202 	u16 max_mtu;
203 	u8 mac_addr[ETH_ALEN];
204 	u8 iwarp_flags;
205 };
206 
207 struct qed_rdma_add_user_out_params {
208 	u16 dpi;
209 	void __iomem *dpi_addr;
210 	u64 dpi_phys_addr;
211 	u32 dpi_size;
212 	u16 wid_count;
213 };
214 
215 enum roce_mode {
216 	ROCE_V1,
217 	ROCE_V2_IPV4,
218 	ROCE_V2_IPV6,
219 	MAX_ROCE_MODE
220 };
221 
222 union qed_gid {
223 	u8 bytes[16];
224 	u16 words[8];
225 	u32 dwords[4];
226 	u64 qwords[2];
227 	u32 ipv4_addr;
228 };
229 
230 struct qed_rdma_register_tid_in_params {
231 	u32 itid;
232 	enum qed_rdma_tid_type tid_type;
233 	u8 key;
234 	u16 pd;
235 	bool local_read;
236 	bool local_write;
237 	bool remote_read;
238 	bool remote_write;
239 	bool remote_atomic;
240 	bool mw_bind;
241 	u64 pbl_ptr;
242 	bool pbl_two_level;
243 	u8 pbl_page_size_log;
244 	u8 page_size_log;
245 	u64 length;
246 	u64 vaddr;
247 	bool phy_mr;
248 	bool dma_mr;
249 
250 	bool dif_enabled;
251 	u64 dif_error_addr;
252 };
253 
254 struct qed_rdma_create_cq_in_params {
255 	u32 cq_handle_lo;
256 	u32 cq_handle_hi;
257 	u32 cq_size;
258 	u16 dpi;
259 	bool pbl_two_level;
260 	u64 pbl_ptr;
261 	u16 pbl_num_pages;
262 	u8 pbl_page_size_log;
263 	u8 cnq_id;
264 	u16 int_timeout;
265 };
266 
267 struct qed_rdma_create_srq_in_params {
268 	u64 pbl_base_addr;
269 	u64 prod_pair_addr;
270 	u16 num_pages;
271 	u16 pd_id;
272 	u16 page_size;
273 
274 	/* XRC related only */
275 	bool reserved_key_en;
276 	bool is_xrc;
277 	u32 cq_cid;
278 	u16 xrcd_id;
279 };
280 
281 struct qed_rdma_destroy_cq_in_params {
282 	u16 icid;
283 };
284 
285 struct qed_rdma_destroy_cq_out_params {
286 	u16 num_cq_notif;
287 };
288 
289 struct qed_rdma_create_qp_in_params {
290 	u32 qp_handle_lo;
291 	u32 qp_handle_hi;
292 	u32 qp_handle_async_lo;
293 	u32 qp_handle_async_hi;
294 	bool use_srq;
295 	bool signal_all;
296 	bool fmr_and_reserved_lkey;
297 	u16 pd;
298 	u16 dpi;
299 	u16 sq_cq_id;
300 	u16 sq_num_pages;
301 	u64 sq_pbl_ptr;
302 	u8 max_sq_sges;
303 	u16 rq_cq_id;
304 	u16 rq_num_pages;
305 	u64 rq_pbl_ptr;
306 	u16 srq_id;
307 	u16 xrcd_id;
308 	u8 stats_queue;
309 	enum qed_rdma_qp_type qp_type;
310 	u8 flags;
311 #define QED_ROCE_EDPM_MODE_MASK      0x1
312 #define QED_ROCE_EDPM_MODE_SHIFT     0
313 };
314 
315 struct qed_rdma_create_qp_out_params {
316 	u32 qp_id;
317 	u16 icid;
318 	void *rq_pbl_virt;
319 	dma_addr_t rq_pbl_phys;
320 	void *sq_pbl_virt;
321 	dma_addr_t sq_pbl_phys;
322 };
323 
324 struct qed_rdma_modify_qp_in_params {
325 	u32 modify_flags;
326 #define QED_RDMA_MODIFY_QP_VALID_NEW_STATE_MASK               0x1
327 #define QED_RDMA_MODIFY_QP_VALID_NEW_STATE_SHIFT              0
328 #define QED_ROCE_MODIFY_QP_VALID_PKEY_MASK                    0x1
329 #define QED_ROCE_MODIFY_QP_VALID_PKEY_SHIFT                   1
330 #define QED_RDMA_MODIFY_QP_VALID_RDMA_OPS_EN_MASK             0x1
331 #define QED_RDMA_MODIFY_QP_VALID_RDMA_OPS_EN_SHIFT            2
332 #define QED_ROCE_MODIFY_QP_VALID_DEST_QP_MASK                 0x1
333 #define QED_ROCE_MODIFY_QP_VALID_DEST_QP_SHIFT                3
334 #define QED_ROCE_MODIFY_QP_VALID_ADDRESS_VECTOR_MASK          0x1
335 #define QED_ROCE_MODIFY_QP_VALID_ADDRESS_VECTOR_SHIFT         4
336 #define QED_ROCE_MODIFY_QP_VALID_RQ_PSN_MASK                  0x1
337 #define QED_ROCE_MODIFY_QP_VALID_RQ_PSN_SHIFT                 5
338 #define QED_ROCE_MODIFY_QP_VALID_SQ_PSN_MASK                  0x1
339 #define QED_ROCE_MODIFY_QP_VALID_SQ_PSN_SHIFT                 6
340 #define QED_RDMA_MODIFY_QP_VALID_MAX_RD_ATOMIC_REQ_MASK       0x1
341 #define QED_RDMA_MODIFY_QP_VALID_MAX_RD_ATOMIC_REQ_SHIFT      7
342 #define QED_RDMA_MODIFY_QP_VALID_MAX_RD_ATOMIC_RESP_MASK      0x1
343 #define QED_RDMA_MODIFY_QP_VALID_MAX_RD_ATOMIC_RESP_SHIFT     8
344 #define QED_ROCE_MODIFY_QP_VALID_ACK_TIMEOUT_MASK             0x1
345 #define QED_ROCE_MODIFY_QP_VALID_ACK_TIMEOUT_SHIFT            9
346 #define QED_ROCE_MODIFY_QP_VALID_RETRY_CNT_MASK               0x1
347 #define QED_ROCE_MODIFY_QP_VALID_RETRY_CNT_SHIFT              10
348 #define QED_ROCE_MODIFY_QP_VALID_RNR_RETRY_CNT_MASK           0x1
349 #define QED_ROCE_MODIFY_QP_VALID_RNR_RETRY_CNT_SHIFT          11
350 #define QED_ROCE_MODIFY_QP_VALID_MIN_RNR_NAK_TIMER_MASK       0x1
351 #define QED_ROCE_MODIFY_QP_VALID_MIN_RNR_NAK_TIMER_SHIFT      12
352 #define QED_ROCE_MODIFY_QP_VALID_E2E_FLOW_CONTROL_EN_MASK     0x1
353 #define QED_ROCE_MODIFY_QP_VALID_E2E_FLOW_CONTROL_EN_SHIFT    13
354 #define QED_ROCE_MODIFY_QP_VALID_ROCE_MODE_MASK               0x1
355 #define QED_ROCE_MODIFY_QP_VALID_ROCE_MODE_SHIFT              14
356 
357 	enum qed_roce_qp_state new_state;
358 	u16 pkey;
359 	bool incoming_rdma_read_en;
360 	bool incoming_rdma_write_en;
361 	bool incoming_atomic_en;
362 	bool e2e_flow_control_en;
363 	u32 dest_qp;
364 	bool lb_indication;
365 	u16 mtu;
366 	u8 traffic_class_tos;
367 	u8 hop_limit_ttl;
368 	u32 flow_label;
369 	union qed_gid sgid;
370 	union qed_gid dgid;
371 	u16 udp_src_port;
372 
373 	u16 vlan_id;
374 
375 	u32 rq_psn;
376 	u32 sq_psn;
377 	u8 max_rd_atomic_resp;
378 	u8 max_rd_atomic_req;
379 	u32 ack_timeout;
380 	u8 retry_cnt;
381 	u8 rnr_retry_cnt;
382 	u8 min_rnr_nak_timer;
383 	bool sqd_async;
384 	u8 remote_mac_addr[6];
385 	u8 local_mac_addr[6];
386 	bool use_local_mac;
387 	enum roce_mode roce_mode;
388 };
389 
390 struct qed_rdma_query_qp_out_params {
391 	enum qed_roce_qp_state state;
392 	u32 rq_psn;
393 	u32 sq_psn;
394 	bool draining;
395 	u16 mtu;
396 	u32 dest_qp;
397 	bool incoming_rdma_read_en;
398 	bool incoming_rdma_write_en;
399 	bool incoming_atomic_en;
400 	bool e2e_flow_control_en;
401 	union qed_gid sgid;
402 	union qed_gid dgid;
403 	u32 flow_label;
404 	u8 hop_limit_ttl;
405 	u8 traffic_class_tos;
406 	u32 timeout;
407 	u8 rnr_retry;
408 	u8 retry_cnt;
409 	u8 min_rnr_nak_timer;
410 	u16 pkey_index;
411 	u8 max_rd_atomic;
412 	u8 max_dest_rd_atomic;
413 	bool sqd_async;
414 };
415 
416 struct qed_rdma_create_srq_out_params {
417 	u16 srq_id;
418 };
419 
420 struct qed_rdma_destroy_srq_in_params {
421 	u16 srq_id;
422 	bool is_xrc;
423 };
424 
425 struct qed_rdma_modify_srq_in_params {
426 	u32 wqe_limit;
427 	u16 srq_id;
428 	bool is_xrc;
429 };
430 
431 struct qed_rdma_stats_out_params {
432 	u64 sent_bytes;
433 	u64 sent_pkts;
434 	u64 rcv_bytes;
435 	u64 rcv_pkts;
436 };
437 
438 struct qed_rdma_counters_out_params {
439 	u64 pd_count;
440 	u64 max_pd;
441 	u64 dpi_count;
442 	u64 max_dpi;
443 	u64 cq_count;
444 	u64 max_cq;
445 	u64 qp_count;
446 	u64 max_qp;
447 	u64 tid_count;
448 	u64 max_tid;
449 };
450 
451 #define QED_ROCE_TX_HEAD_FAILURE        (1)
452 #define QED_ROCE_TX_FRAG_FAILURE        (2)
453 
454 enum qed_iwarp_event_type {
455 	QED_IWARP_EVENT_MPA_REQUEST,	  /* Passive side request received */
456 	QED_IWARP_EVENT_PASSIVE_COMPLETE, /* ack on mpa response */
457 	QED_IWARP_EVENT_ACTIVE_COMPLETE,  /* Active side reply received */
458 	QED_IWARP_EVENT_DISCONNECT,
459 	QED_IWARP_EVENT_CLOSE,
460 	QED_IWARP_EVENT_IRQ_FULL,
461 	QED_IWARP_EVENT_RQ_EMPTY,
462 	QED_IWARP_EVENT_LLP_TIMEOUT,
463 	QED_IWARP_EVENT_REMOTE_PROTECTION_ERROR,
464 	QED_IWARP_EVENT_CQ_OVERFLOW,
465 	QED_IWARP_EVENT_QP_CATASTROPHIC,
466 	QED_IWARP_EVENT_ACTIVE_MPA_REPLY,
467 	QED_IWARP_EVENT_LOCAL_ACCESS_ERROR,
468 	QED_IWARP_EVENT_REMOTE_OPERATION_ERROR,
469 	QED_IWARP_EVENT_TERMINATE_RECEIVED,
470 	QED_IWARP_EVENT_SRQ_LIMIT,
471 	QED_IWARP_EVENT_SRQ_EMPTY,
472 };
473 
474 enum qed_tcp_ip_version {
475 	QED_TCP_IPV4,
476 	QED_TCP_IPV6,
477 };
478 
479 struct qed_iwarp_cm_info {
480 	enum qed_tcp_ip_version ip_version;
481 	u32 remote_ip[4];
482 	u32 local_ip[4];
483 	u16 remote_port;
484 	u16 local_port;
485 	u16 vlan;
486 	u8 ord;
487 	u8 ird;
488 	u16 private_data_len;
489 	const void *private_data;
490 };
491 
492 struct qed_iwarp_cm_event_params {
493 	enum qed_iwarp_event_type event;
494 	const struct qed_iwarp_cm_info *cm_info;
495 	void *ep_context;	/* To be passed to accept call */
496 	int status;
497 };
498 
499 typedef int (*iwarp_event_handler) (void *context,
500 				    struct qed_iwarp_cm_event_params *event);
501 
502 struct qed_iwarp_connect_in {
503 	iwarp_event_handler event_cb;
504 	void *cb_context;
505 	struct qed_rdma_qp *qp;
506 	struct qed_iwarp_cm_info cm_info;
507 	u16 mss;
508 	u8 remote_mac_addr[ETH_ALEN];
509 	u8 local_mac_addr[ETH_ALEN];
510 };
511 
512 struct qed_iwarp_connect_out {
513 	void *ep_context;
514 };
515 
516 struct qed_iwarp_listen_in {
517 	iwarp_event_handler event_cb;
518 	void *cb_context;	/* passed to event_cb */
519 	u32 max_backlog;
520 	enum qed_tcp_ip_version ip_version;
521 	u32 ip_addr[4];
522 	u16 port;
523 	u16 vlan;
524 };
525 
526 struct qed_iwarp_listen_out {
527 	void *handle;
528 };
529 
530 struct qed_iwarp_accept_in {
531 	void *ep_context;
532 	void *cb_context;
533 	struct qed_rdma_qp *qp;
534 	const void *private_data;
535 	u16 private_data_len;
536 	u8 ord;
537 	u8 ird;
538 };
539 
540 struct qed_iwarp_reject_in {
541 	void *ep_context;
542 	void *cb_context;
543 	const void *private_data;
544 	u16 private_data_len;
545 };
546 
547 struct qed_iwarp_send_rtr_in {
548 	void *ep_context;
549 };
550 
551 struct qed_roce_ll2_header {
552 	void *vaddr;
553 	dma_addr_t baddr;
554 	size_t len;
555 };
556 
557 struct qed_roce_ll2_buffer {
558 	dma_addr_t baddr;
559 	size_t len;
560 };
561 
562 struct qed_roce_ll2_packet {
563 	struct qed_roce_ll2_header header;
564 	int n_seg;
565 	struct qed_roce_ll2_buffer payload[RDMA_MAX_SGE_PER_SQ_WQE];
566 	int roce_mode;
567 	enum qed_ll2_tx_dest tx_dest;
568 };
569 
570 enum qed_rdma_type {
571 	QED_RDMA_TYPE_ROCE,
572 	QED_RDMA_TYPE_IWARP
573 };
574 
575 struct qed_dev_rdma_info {
576 	struct qed_dev_info common;
577 	enum qed_rdma_type rdma_type;
578 	u8 user_dpm_enabled;
579 };
580 
581 struct qed_rdma_ops {
582 	const struct qed_common_ops *common;
583 
584 	int (*fill_dev_info)(struct qed_dev *cdev,
585 			     struct qed_dev_rdma_info *info);
586 	void *(*rdma_get_rdma_ctx)(struct qed_dev *cdev);
587 
588 	int (*rdma_init)(struct qed_dev *dev,
589 			 struct qed_rdma_start_in_params *iparams);
590 
591 	int (*rdma_add_user)(void *rdma_cxt,
592 			     struct qed_rdma_add_user_out_params *oparams);
593 
594 	void (*rdma_remove_user)(void *rdma_cxt, u16 dpi);
595 	int (*rdma_stop)(void *rdma_cxt);
596 	struct qed_rdma_device* (*rdma_query_device)(void *rdma_cxt);
597 	struct qed_rdma_port* (*rdma_query_port)(void *rdma_cxt);
598 	int (*rdma_get_start_sb)(struct qed_dev *cdev);
599 	int (*rdma_get_min_cnq_msix)(struct qed_dev *cdev);
600 	void (*rdma_cnq_prod_update)(void *rdma_cxt, u8 cnq_index, u16 prod);
601 	int (*rdma_get_rdma_int)(struct qed_dev *cdev,
602 				 struct qed_int_info *info);
603 	int (*rdma_set_rdma_int)(struct qed_dev *cdev, u16 cnt);
604 	int (*rdma_alloc_pd)(void *rdma_cxt, u16 *pd);
605 	void (*rdma_dealloc_pd)(void *rdma_cxt, u16 pd);
606 	int (*rdma_alloc_xrcd)(void *rdma_cxt, u16 *xrcd);
607 	void (*rdma_dealloc_xrcd)(void *rdma_cxt, u16 xrcd);
608 	int (*rdma_create_cq)(void *rdma_cxt,
609 			      struct qed_rdma_create_cq_in_params *params,
610 			      u16 *icid);
611 	int (*rdma_destroy_cq)(void *rdma_cxt,
612 			       struct qed_rdma_destroy_cq_in_params *iparams,
613 			       struct qed_rdma_destroy_cq_out_params *oparams);
614 	struct qed_rdma_qp *
615 	(*rdma_create_qp)(void *rdma_cxt,
616 			  struct qed_rdma_create_qp_in_params *iparams,
617 			  struct qed_rdma_create_qp_out_params *oparams);
618 
619 	int (*rdma_modify_qp)(void *roce_cxt, struct qed_rdma_qp *qp,
620 			      struct qed_rdma_modify_qp_in_params *iparams);
621 
622 	int (*rdma_query_qp)(void *rdma_cxt, struct qed_rdma_qp *qp,
623 			     struct qed_rdma_query_qp_out_params *oparams);
624 	int (*rdma_destroy_qp)(void *rdma_cxt, struct qed_rdma_qp *qp);
625 
626 	int
627 	(*rdma_register_tid)(void *rdma_cxt,
628 			     struct qed_rdma_register_tid_in_params *iparams);
629 
630 	int (*rdma_deregister_tid)(void *rdma_cxt, u32 itid);
631 	int (*rdma_alloc_tid)(void *rdma_cxt, u32 *itid);
632 	void (*rdma_free_tid)(void *rdma_cxt, u32 itid);
633 
634 	int (*rdma_create_srq)(void *rdma_cxt,
635 			       struct qed_rdma_create_srq_in_params *iparams,
636 			       struct qed_rdma_create_srq_out_params *oparams);
637 	int (*rdma_destroy_srq)(void *rdma_cxt,
638 				struct qed_rdma_destroy_srq_in_params *iparams);
639 	int (*rdma_modify_srq)(void *rdma_cxt,
640 			       struct qed_rdma_modify_srq_in_params *iparams);
641 
642 	int (*ll2_acquire_connection)(void *rdma_cxt,
643 				      struct qed_ll2_acquire_data *data);
644 
645 	int (*ll2_establish_connection)(void *rdma_cxt, u8 connection_handle);
646 	int (*ll2_terminate_connection)(void *rdma_cxt, u8 connection_handle);
647 	void (*ll2_release_connection)(void *rdma_cxt, u8 connection_handle);
648 
649 	int (*ll2_prepare_tx_packet)(void *rdma_cxt,
650 				     u8 connection_handle,
651 				     struct qed_ll2_tx_pkt_info *pkt,
652 				     bool notify_fw);
653 
654 	int (*ll2_set_fragment_of_tx_packet)(void *rdma_cxt,
655 					     u8 connection_handle,
656 					     dma_addr_t addr,
657 					     u16 nbytes);
658 	int (*ll2_post_rx_buffer)(void *rdma_cxt, u8 connection_handle,
659 				  dma_addr_t addr, u16 buf_len, void *cookie,
660 				  u8 notify_fw);
661 	int (*ll2_get_stats)(void *rdma_cxt,
662 			     u8 connection_handle,
663 			     struct qed_ll2_stats *p_stats);
664 	int (*ll2_set_mac_filter)(struct qed_dev *cdev,
665 				  u8 *old_mac_address, u8 *new_mac_address);
666 
667 	int (*iwarp_set_engine_affin)(struct qed_dev *cdev, bool b_reset);
668 
669 	int (*iwarp_connect)(void *rdma_cxt,
670 			     struct qed_iwarp_connect_in *iparams,
671 			     struct qed_iwarp_connect_out *oparams);
672 
673 	int (*iwarp_create_listen)(void *rdma_cxt,
674 				   struct qed_iwarp_listen_in *iparams,
675 				   struct qed_iwarp_listen_out *oparams);
676 
677 	int (*iwarp_accept)(void *rdma_cxt,
678 			    struct qed_iwarp_accept_in *iparams);
679 
680 	int (*iwarp_reject)(void *rdma_cxt,
681 			    struct qed_iwarp_reject_in *iparams);
682 
683 	int (*iwarp_destroy_listen)(void *rdma_cxt, void *handle);
684 
685 	int (*iwarp_send_rtr)(void *rdma_cxt,
686 			      struct qed_iwarp_send_rtr_in *iparams);
687 };
688 
689 const struct qed_rdma_ops *qed_get_rdma_ops(void);
690 
691 #endif
692