xref: /openbmc/linux/include/linux/qed/qed_rdma_if.h (revision ba61bb17)
1 /* QLogic qed NIC Driver
2  * Copyright (c) 2015-2017  QLogic Corporation
3  *
4  * This software is available to you under a choice of one of two
5  * licenses.  You may choose to be licensed under the terms of the GNU
6  * General Public License (GPL) Version 2, available from the file
7  * COPYING in the main directory of this source tree, or the
8  * OpenIB.org BSD license below:
9  *
10  *     Redistribution and use in source and binary forms, with or
11  *     without modification, are permitted provided that the following
12  *     conditions are met:
13  *
14  *      - Redistributions of source code must retain the above
15  *        copyright notice, this list of conditions and the following
16  *        disclaimer.
17  *
18  *      - Redistributions in binary form must reproduce the above
19  *        copyright notice, this list of conditions and the following
20  *        disclaimer in the documentation and /or other materials
21  *        provided with the distribution.
22  *
23  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30  * SOFTWARE.
31  */
32 #ifndef _QED_RDMA_IF_H
33 #define _QED_RDMA_IF_H
34 #include <linux/types.h>
35 #include <linux/delay.h>
36 #include <linux/list.h>
37 #include <linux/slab.h>
38 #include <linux/qed/qed_if.h>
39 #include <linux/qed/qed_ll2_if.h>
40 #include <linux/qed/rdma_common.h>
41 
42 enum qed_roce_ll2_tx_dest {
43 	/* Light L2 TX Destination to the Network */
44 	QED_ROCE_LL2_TX_DEST_NW,
45 
46 	/* Light L2 TX Destination to the Loopback */
47 	QED_ROCE_LL2_TX_DEST_LB,
48 	QED_ROCE_LL2_TX_DEST_MAX
49 };
50 
51 #define QED_RDMA_MAX_CNQ_SIZE               (0xFFFF)
52 
53 /* rdma interface */
54 
55 enum qed_roce_qp_state {
56 	QED_ROCE_QP_STATE_RESET,
57 	QED_ROCE_QP_STATE_INIT,
58 	QED_ROCE_QP_STATE_RTR,
59 	QED_ROCE_QP_STATE_RTS,
60 	QED_ROCE_QP_STATE_SQD,
61 	QED_ROCE_QP_STATE_ERR,
62 	QED_ROCE_QP_STATE_SQE
63 };
64 
65 enum qed_rdma_tid_type {
66 	QED_RDMA_TID_REGISTERED_MR,
67 	QED_RDMA_TID_FMR,
68 	QED_RDMA_TID_MW
69 };
70 
71 struct qed_rdma_events {
72 	void *context;
73 	void (*affiliated_event)(void *context, u8 fw_event_code,
74 				 void *fw_handle);
75 	void (*unaffiliated_event)(void *context, u8 event_code);
76 };
77 
78 struct qed_rdma_device {
79 	u32 vendor_id;
80 	u32 vendor_part_id;
81 	u32 hw_ver;
82 	u64 fw_ver;
83 
84 	u64 node_guid;
85 	u64 sys_image_guid;
86 
87 	u8 max_cnq;
88 	u8 max_sge;
89 	u8 max_srq_sge;
90 	u16 max_inline;
91 	u32 max_wqe;
92 	u32 max_srq_wqe;
93 	u8 max_qp_resp_rd_atomic_resc;
94 	u8 max_qp_req_rd_atomic_resc;
95 	u64 max_dev_resp_rd_atomic_resc;
96 	u32 max_cq;
97 	u32 max_qp;
98 	u32 max_srq;
99 	u32 max_mr;
100 	u64 max_mr_size;
101 	u32 max_cqe;
102 	u32 max_mw;
103 	u32 max_fmr;
104 	u32 max_mr_mw_fmr_pbl;
105 	u64 max_mr_mw_fmr_size;
106 	u32 max_pd;
107 	u32 max_ah;
108 	u8 max_pkey;
109 	u16 max_srq_wr;
110 	u8 max_stats_queues;
111 	u32 dev_caps;
112 
113 	/* Abilty to support RNR-NAK generation */
114 
115 #define QED_RDMA_DEV_CAP_RNR_NAK_MASK                           0x1
116 #define QED_RDMA_DEV_CAP_RNR_NAK_SHIFT                  0
117 	/* Abilty to support shutdown port */
118 #define QED_RDMA_DEV_CAP_SHUTDOWN_PORT_MASK                     0x1
119 #define QED_RDMA_DEV_CAP_SHUTDOWN_PORT_SHIFT                    1
120 	/* Abilty to support port active event */
121 #define QED_RDMA_DEV_CAP_PORT_ACTIVE_EVENT_MASK         0x1
122 #define QED_RDMA_DEV_CAP_PORT_ACTIVE_EVENT_SHIFT                2
123 	/* Abilty to support port change event */
124 #define QED_RDMA_DEV_CAP_PORT_CHANGE_EVENT_MASK         0x1
125 #define QED_RDMA_DEV_CAP_PORT_CHANGE_EVENT_SHIFT                3
126 	/* Abilty to support system image GUID */
127 #define QED_RDMA_DEV_CAP_SYS_IMAGE_MASK                 0x1
128 #define QED_RDMA_DEV_CAP_SYS_IMAGE_SHIFT                        4
129 	/* Abilty to support bad P_Key counter support */
130 #define QED_RDMA_DEV_CAP_BAD_PKEY_CNT_MASK                      0x1
131 #define QED_RDMA_DEV_CAP_BAD_PKEY_CNT_SHIFT                     5
132 	/* Abilty to support atomic operations */
133 #define QED_RDMA_DEV_CAP_ATOMIC_OP_MASK                 0x1
134 #define QED_RDMA_DEV_CAP_ATOMIC_OP_SHIFT                        6
135 #define QED_RDMA_DEV_CAP_RESIZE_CQ_MASK                 0x1
136 #define QED_RDMA_DEV_CAP_RESIZE_CQ_SHIFT                        7
137 	/* Abilty to support modifying the maximum number of
138 	 * outstanding work requests per QP
139 	 */
140 #define QED_RDMA_DEV_CAP_RESIZE_MAX_WR_MASK                     0x1
141 #define QED_RDMA_DEV_CAP_RESIZE_MAX_WR_SHIFT                    8
142 	/* Abilty to support automatic path migration */
143 #define QED_RDMA_DEV_CAP_AUTO_PATH_MIG_MASK                     0x1
144 #define QED_RDMA_DEV_CAP_AUTO_PATH_MIG_SHIFT                    9
145 	/* Abilty to support the base memory management extensions */
146 #define QED_RDMA_DEV_CAP_BASE_MEMORY_EXT_MASK                   0x1
147 #define QED_RDMA_DEV_CAP_BASE_MEMORY_EXT_SHIFT          10
148 #define QED_RDMA_DEV_CAP_BASE_QUEUE_EXT_MASK                    0x1
149 #define QED_RDMA_DEV_CAP_BASE_QUEUE_EXT_SHIFT                   11
150 	/* Abilty to support multipile page sizes per memory region */
151 #define QED_RDMA_DEV_CAP_MULTI_PAGE_PER_MR_EXT_MASK             0x1
152 #define QED_RDMA_DEV_CAP_MULTI_PAGE_PER_MR_EXT_SHIFT            12
153 	/* Abilty to support block list physical buffer list */
154 #define QED_RDMA_DEV_CAP_BLOCK_MODE_MASK                        0x1
155 #define QED_RDMA_DEV_CAP_BLOCK_MODE_SHIFT                       13
156 	/* Abilty to support zero based virtual addresses */
157 #define QED_RDMA_DEV_CAP_ZBVA_MASK                              0x1
158 #define QED_RDMA_DEV_CAP_ZBVA_SHIFT                             14
159 	/* Abilty to support local invalidate fencing */
160 #define QED_RDMA_DEV_CAP_LOCAL_INV_FENCE_MASK                   0x1
161 #define QED_RDMA_DEV_CAP_LOCAL_INV_FENCE_SHIFT          15
162 	/* Abilty to support Loopback on QP */
163 #define QED_RDMA_DEV_CAP_LB_INDICATOR_MASK                      0x1
164 #define QED_RDMA_DEV_CAP_LB_INDICATOR_SHIFT                     16
165 	u64 page_size_caps;
166 	u8 dev_ack_delay;
167 	u32 reserved_lkey;
168 	u32 bad_pkey_counter;
169 	struct qed_rdma_events events;
170 };
171 
172 enum qed_port_state {
173 	QED_RDMA_PORT_UP,
174 	QED_RDMA_PORT_DOWN,
175 };
176 
177 enum qed_roce_capability {
178 	QED_ROCE_V1 = 1 << 0,
179 	QED_ROCE_V2 = 1 << 1,
180 };
181 
182 struct qed_rdma_port {
183 	enum qed_port_state port_state;
184 	int link_speed;
185 	u64 max_msg_size;
186 	u8 source_gid_table_len;
187 	void *source_gid_table_ptr;
188 	u8 pkey_table_len;
189 	void *pkey_table_ptr;
190 	u32 pkey_bad_counter;
191 	enum qed_roce_capability capability;
192 };
193 
194 struct qed_rdma_cnq_params {
195 	u8 num_pbl_pages;
196 	u64 pbl_ptr;
197 };
198 
199 /* The CQ Mode affects the CQ doorbell transaction size.
200  * 64/32 bit machines should configure to 32/16 bits respectively.
201  */
202 enum qed_rdma_cq_mode {
203 	QED_RDMA_CQ_MODE_16_BITS,
204 	QED_RDMA_CQ_MODE_32_BITS,
205 };
206 
207 struct qed_roce_dcqcn_params {
208 	u8 notification_point;
209 	u8 reaction_point;
210 
211 	/* fields for notification point */
212 	u32 cnp_send_timeout;
213 
214 	/* fields for reaction point */
215 	u32 rl_bc_rate;
216 	u16 rl_max_rate;
217 	u16 rl_r_ai;
218 	u16 rl_r_hai;
219 	u16 dcqcn_g;
220 	u32 dcqcn_k_us;
221 	u32 dcqcn_timeout_us;
222 };
223 
224 struct qed_rdma_start_in_params {
225 	struct qed_rdma_events *events;
226 	struct qed_rdma_cnq_params cnq_pbl_list[128];
227 	u8 desired_cnq;
228 	enum qed_rdma_cq_mode cq_mode;
229 	struct qed_roce_dcqcn_params dcqcn_params;
230 	u16 max_mtu;
231 	u8 mac_addr[ETH_ALEN];
232 	u8 iwarp_flags;
233 };
234 
235 struct qed_rdma_add_user_out_params {
236 	u16 dpi;
237 	u64 dpi_addr;
238 	u64 dpi_phys_addr;
239 	u32 dpi_size;
240 	u16 wid_count;
241 };
242 
243 enum roce_mode {
244 	ROCE_V1,
245 	ROCE_V2_IPV4,
246 	ROCE_V2_IPV6,
247 	MAX_ROCE_MODE
248 };
249 
250 union qed_gid {
251 	u8 bytes[16];
252 	u16 words[8];
253 	u32 dwords[4];
254 	u64 qwords[2];
255 	u32 ipv4_addr;
256 };
257 
258 struct qed_rdma_register_tid_in_params {
259 	u32 itid;
260 	enum qed_rdma_tid_type tid_type;
261 	u8 key;
262 	u16 pd;
263 	bool local_read;
264 	bool local_write;
265 	bool remote_read;
266 	bool remote_write;
267 	bool remote_atomic;
268 	bool mw_bind;
269 	u64 pbl_ptr;
270 	bool pbl_two_level;
271 	u8 pbl_page_size_log;
272 	u8 page_size_log;
273 	u32 fbo;
274 	u64 length;
275 	u64 vaddr;
276 	bool zbva;
277 	bool phy_mr;
278 	bool dma_mr;
279 
280 	bool dif_enabled;
281 	u64 dif_error_addr;
282 };
283 
284 struct qed_rdma_create_cq_in_params {
285 	u32 cq_handle_lo;
286 	u32 cq_handle_hi;
287 	u32 cq_size;
288 	u16 dpi;
289 	bool pbl_two_level;
290 	u64 pbl_ptr;
291 	u16 pbl_num_pages;
292 	u8 pbl_page_size_log;
293 	u8 cnq_id;
294 	u16 int_timeout;
295 };
296 
297 struct qed_rdma_create_srq_in_params {
298 	u64 pbl_base_addr;
299 	u64 prod_pair_addr;
300 	u16 num_pages;
301 	u16 pd_id;
302 	u16 page_size;
303 };
304 
305 struct qed_rdma_destroy_cq_in_params {
306 	u16 icid;
307 };
308 
309 struct qed_rdma_destroy_cq_out_params {
310 	u16 num_cq_notif;
311 };
312 
313 struct qed_rdma_create_qp_in_params {
314 	u32 qp_handle_lo;
315 	u32 qp_handle_hi;
316 	u32 qp_handle_async_lo;
317 	u32 qp_handle_async_hi;
318 	bool use_srq;
319 	bool signal_all;
320 	bool fmr_and_reserved_lkey;
321 	u16 pd;
322 	u16 dpi;
323 	u16 sq_cq_id;
324 	u16 sq_num_pages;
325 	u64 sq_pbl_ptr;
326 	u8 max_sq_sges;
327 	u16 rq_cq_id;
328 	u16 rq_num_pages;
329 	u64 rq_pbl_ptr;
330 	u16 srq_id;
331 	u8 stats_queue;
332 };
333 
334 struct qed_rdma_create_qp_out_params {
335 	u32 qp_id;
336 	u16 icid;
337 	void *rq_pbl_virt;
338 	dma_addr_t rq_pbl_phys;
339 	void *sq_pbl_virt;
340 	dma_addr_t sq_pbl_phys;
341 };
342 
343 struct qed_rdma_modify_qp_in_params {
344 	u32 modify_flags;
345 #define QED_RDMA_MODIFY_QP_VALID_NEW_STATE_MASK               0x1
346 #define QED_RDMA_MODIFY_QP_VALID_NEW_STATE_SHIFT              0
347 #define QED_ROCE_MODIFY_QP_VALID_PKEY_MASK                    0x1
348 #define QED_ROCE_MODIFY_QP_VALID_PKEY_SHIFT                   1
349 #define QED_RDMA_MODIFY_QP_VALID_RDMA_OPS_EN_MASK             0x1
350 #define QED_RDMA_MODIFY_QP_VALID_RDMA_OPS_EN_SHIFT            2
351 #define QED_ROCE_MODIFY_QP_VALID_DEST_QP_MASK                 0x1
352 #define QED_ROCE_MODIFY_QP_VALID_DEST_QP_SHIFT                3
353 #define QED_ROCE_MODIFY_QP_VALID_ADDRESS_VECTOR_MASK          0x1
354 #define QED_ROCE_MODIFY_QP_VALID_ADDRESS_VECTOR_SHIFT         4
355 #define QED_ROCE_MODIFY_QP_VALID_RQ_PSN_MASK                  0x1
356 #define QED_ROCE_MODIFY_QP_VALID_RQ_PSN_SHIFT                 5
357 #define QED_ROCE_MODIFY_QP_VALID_SQ_PSN_MASK                  0x1
358 #define QED_ROCE_MODIFY_QP_VALID_SQ_PSN_SHIFT                 6
359 #define QED_RDMA_MODIFY_QP_VALID_MAX_RD_ATOMIC_REQ_MASK       0x1
360 #define QED_RDMA_MODIFY_QP_VALID_MAX_RD_ATOMIC_REQ_SHIFT      7
361 #define QED_RDMA_MODIFY_QP_VALID_MAX_RD_ATOMIC_RESP_MASK      0x1
362 #define QED_RDMA_MODIFY_QP_VALID_MAX_RD_ATOMIC_RESP_SHIFT     8
363 #define QED_ROCE_MODIFY_QP_VALID_ACK_TIMEOUT_MASK             0x1
364 #define QED_ROCE_MODIFY_QP_VALID_ACK_TIMEOUT_SHIFT            9
365 #define QED_ROCE_MODIFY_QP_VALID_RETRY_CNT_MASK               0x1
366 #define QED_ROCE_MODIFY_QP_VALID_RETRY_CNT_SHIFT              10
367 #define QED_ROCE_MODIFY_QP_VALID_RNR_RETRY_CNT_MASK           0x1
368 #define QED_ROCE_MODIFY_QP_VALID_RNR_RETRY_CNT_SHIFT          11
369 #define QED_ROCE_MODIFY_QP_VALID_MIN_RNR_NAK_TIMER_MASK       0x1
370 #define QED_ROCE_MODIFY_QP_VALID_MIN_RNR_NAK_TIMER_SHIFT      12
371 #define QED_ROCE_MODIFY_QP_VALID_E2E_FLOW_CONTROL_EN_MASK     0x1
372 #define QED_ROCE_MODIFY_QP_VALID_E2E_FLOW_CONTROL_EN_SHIFT    13
373 #define QED_ROCE_MODIFY_QP_VALID_ROCE_MODE_MASK               0x1
374 #define QED_ROCE_MODIFY_QP_VALID_ROCE_MODE_SHIFT              14
375 
376 	enum qed_roce_qp_state new_state;
377 	u16 pkey;
378 	bool incoming_rdma_read_en;
379 	bool incoming_rdma_write_en;
380 	bool incoming_atomic_en;
381 	bool e2e_flow_control_en;
382 	u32 dest_qp;
383 	bool lb_indication;
384 	u16 mtu;
385 	u8 traffic_class_tos;
386 	u8 hop_limit_ttl;
387 	u32 flow_label;
388 	union qed_gid sgid;
389 	union qed_gid dgid;
390 	u16 udp_src_port;
391 
392 	u16 vlan_id;
393 
394 	u32 rq_psn;
395 	u32 sq_psn;
396 	u8 max_rd_atomic_resp;
397 	u8 max_rd_atomic_req;
398 	u32 ack_timeout;
399 	u8 retry_cnt;
400 	u8 rnr_retry_cnt;
401 	u8 min_rnr_nak_timer;
402 	bool sqd_async;
403 	u8 remote_mac_addr[6];
404 	u8 local_mac_addr[6];
405 	bool use_local_mac;
406 	enum roce_mode roce_mode;
407 };
408 
409 struct qed_rdma_query_qp_out_params {
410 	enum qed_roce_qp_state state;
411 	u32 rq_psn;
412 	u32 sq_psn;
413 	bool draining;
414 	u16 mtu;
415 	u32 dest_qp;
416 	bool incoming_rdma_read_en;
417 	bool incoming_rdma_write_en;
418 	bool incoming_atomic_en;
419 	bool e2e_flow_control_en;
420 	union qed_gid sgid;
421 	union qed_gid dgid;
422 	u32 flow_label;
423 	u8 hop_limit_ttl;
424 	u8 traffic_class_tos;
425 	u32 timeout;
426 	u8 rnr_retry;
427 	u8 retry_cnt;
428 	u8 min_rnr_nak_timer;
429 	u16 pkey_index;
430 	u8 max_rd_atomic;
431 	u8 max_dest_rd_atomic;
432 	bool sqd_async;
433 };
434 
435 struct qed_rdma_create_srq_out_params {
436 	u16 srq_id;
437 };
438 
439 struct qed_rdma_destroy_srq_in_params {
440 	u16 srq_id;
441 };
442 
443 struct qed_rdma_modify_srq_in_params {
444 	u32 wqe_limit;
445 	u16 srq_id;
446 };
447 
448 struct qed_rdma_stats_out_params {
449 	u64 sent_bytes;
450 	u64 sent_pkts;
451 	u64 rcv_bytes;
452 	u64 rcv_pkts;
453 };
454 
455 struct qed_rdma_counters_out_params {
456 	u64 pd_count;
457 	u64 max_pd;
458 	u64 dpi_count;
459 	u64 max_dpi;
460 	u64 cq_count;
461 	u64 max_cq;
462 	u64 qp_count;
463 	u64 max_qp;
464 	u64 tid_count;
465 	u64 max_tid;
466 };
467 
468 #define QED_ROCE_TX_HEAD_FAILURE        (1)
469 #define QED_ROCE_TX_FRAG_FAILURE        (2)
470 
471 enum qed_iwarp_event_type {
472 	QED_IWARP_EVENT_MPA_REQUEST,	  /* Passive side request received */
473 	QED_IWARP_EVENT_PASSIVE_COMPLETE, /* ack on mpa response */
474 	QED_IWARP_EVENT_ACTIVE_COMPLETE,  /* Active side reply received */
475 	QED_IWARP_EVENT_DISCONNECT,
476 	QED_IWARP_EVENT_CLOSE,
477 	QED_IWARP_EVENT_IRQ_FULL,
478 	QED_IWARP_EVENT_RQ_EMPTY,
479 	QED_IWARP_EVENT_LLP_TIMEOUT,
480 	QED_IWARP_EVENT_REMOTE_PROTECTION_ERROR,
481 	QED_IWARP_EVENT_CQ_OVERFLOW,
482 	QED_IWARP_EVENT_QP_CATASTROPHIC,
483 	QED_IWARP_EVENT_ACTIVE_MPA_REPLY,
484 	QED_IWARP_EVENT_LOCAL_ACCESS_ERROR,
485 	QED_IWARP_EVENT_REMOTE_OPERATION_ERROR,
486 	QED_IWARP_EVENT_TERMINATE_RECEIVED,
487 	QED_IWARP_EVENT_SRQ_LIMIT,
488 	QED_IWARP_EVENT_SRQ_EMPTY,
489 };
490 
491 enum qed_tcp_ip_version {
492 	QED_TCP_IPV4,
493 	QED_TCP_IPV6,
494 };
495 
496 struct qed_iwarp_cm_info {
497 	enum qed_tcp_ip_version ip_version;
498 	u32 remote_ip[4];
499 	u32 local_ip[4];
500 	u16 remote_port;
501 	u16 local_port;
502 	u16 vlan;
503 	u8 ord;
504 	u8 ird;
505 	u16 private_data_len;
506 	const void *private_data;
507 };
508 
509 struct qed_iwarp_cm_event_params {
510 	enum qed_iwarp_event_type event;
511 	const struct qed_iwarp_cm_info *cm_info;
512 	void *ep_context;	/* To be passed to accept call */
513 	int status;
514 };
515 
516 typedef int (*iwarp_event_handler) (void *context,
517 				    struct qed_iwarp_cm_event_params *event);
518 
519 struct qed_iwarp_connect_in {
520 	iwarp_event_handler event_cb;
521 	void *cb_context;
522 	struct qed_rdma_qp *qp;
523 	struct qed_iwarp_cm_info cm_info;
524 	u16 mss;
525 	u8 remote_mac_addr[ETH_ALEN];
526 	u8 local_mac_addr[ETH_ALEN];
527 };
528 
529 struct qed_iwarp_connect_out {
530 	void *ep_context;
531 };
532 
533 struct qed_iwarp_listen_in {
534 	iwarp_event_handler event_cb;
535 	void *cb_context;	/* passed to event_cb */
536 	u32 max_backlog;
537 	enum qed_tcp_ip_version ip_version;
538 	u32 ip_addr[4];
539 	u16 port;
540 	u16 vlan;
541 };
542 
543 struct qed_iwarp_listen_out {
544 	void *handle;
545 };
546 
547 struct qed_iwarp_accept_in {
548 	void *ep_context;
549 	void *cb_context;
550 	struct qed_rdma_qp *qp;
551 	const void *private_data;
552 	u16 private_data_len;
553 	u8 ord;
554 	u8 ird;
555 };
556 
557 struct qed_iwarp_reject_in {
558 	void *ep_context;
559 	void *cb_context;
560 	const void *private_data;
561 	u16 private_data_len;
562 };
563 
564 struct qed_iwarp_send_rtr_in {
565 	void *ep_context;
566 };
567 
568 struct qed_roce_ll2_header {
569 	void *vaddr;
570 	dma_addr_t baddr;
571 	size_t len;
572 };
573 
574 struct qed_roce_ll2_buffer {
575 	dma_addr_t baddr;
576 	size_t len;
577 };
578 
579 struct qed_roce_ll2_packet {
580 	struct qed_roce_ll2_header header;
581 	int n_seg;
582 	struct qed_roce_ll2_buffer payload[RDMA_MAX_SGE_PER_SQ_WQE];
583 	int roce_mode;
584 	enum qed_roce_ll2_tx_dest tx_dest;
585 };
586 
587 enum qed_rdma_type {
588 	QED_RDMA_TYPE_ROCE,
589 	QED_RDMA_TYPE_IWARP
590 };
591 
592 struct qed_dev_rdma_info {
593 	struct qed_dev_info common;
594 	enum qed_rdma_type rdma_type;
595 	u8 user_dpm_enabled;
596 };
597 
598 struct qed_rdma_ops {
599 	const struct qed_common_ops *common;
600 
601 	int (*fill_dev_info)(struct qed_dev *cdev,
602 			     struct qed_dev_rdma_info *info);
603 	void *(*rdma_get_rdma_ctx)(struct qed_dev *cdev);
604 
605 	int (*rdma_init)(struct qed_dev *dev,
606 			 struct qed_rdma_start_in_params *iparams);
607 
608 	int (*rdma_add_user)(void *rdma_cxt,
609 			     struct qed_rdma_add_user_out_params *oparams);
610 
611 	void (*rdma_remove_user)(void *rdma_cxt, u16 dpi);
612 	int (*rdma_stop)(void *rdma_cxt);
613 	struct qed_rdma_device* (*rdma_query_device)(void *rdma_cxt);
614 	struct qed_rdma_port* (*rdma_query_port)(void *rdma_cxt);
615 	int (*rdma_get_start_sb)(struct qed_dev *cdev);
616 	int (*rdma_get_min_cnq_msix)(struct qed_dev *cdev);
617 	void (*rdma_cnq_prod_update)(void *rdma_cxt, u8 cnq_index, u16 prod);
618 	int (*rdma_get_rdma_int)(struct qed_dev *cdev,
619 				 struct qed_int_info *info);
620 	int (*rdma_set_rdma_int)(struct qed_dev *cdev, u16 cnt);
621 	int (*rdma_alloc_pd)(void *rdma_cxt, u16 *pd);
622 	void (*rdma_dealloc_pd)(void *rdma_cxt, u16 pd);
623 	int (*rdma_create_cq)(void *rdma_cxt,
624 			      struct qed_rdma_create_cq_in_params *params,
625 			      u16 *icid);
626 	int (*rdma_destroy_cq)(void *rdma_cxt,
627 			       struct qed_rdma_destroy_cq_in_params *iparams,
628 			       struct qed_rdma_destroy_cq_out_params *oparams);
629 	struct qed_rdma_qp *
630 	(*rdma_create_qp)(void *rdma_cxt,
631 			  struct qed_rdma_create_qp_in_params *iparams,
632 			  struct qed_rdma_create_qp_out_params *oparams);
633 
634 	int (*rdma_modify_qp)(void *roce_cxt, struct qed_rdma_qp *qp,
635 			      struct qed_rdma_modify_qp_in_params *iparams);
636 
637 	int (*rdma_query_qp)(void *rdma_cxt, struct qed_rdma_qp *qp,
638 			     struct qed_rdma_query_qp_out_params *oparams);
639 	int (*rdma_destroy_qp)(void *rdma_cxt, struct qed_rdma_qp *qp);
640 
641 	int
642 	(*rdma_register_tid)(void *rdma_cxt,
643 			     struct qed_rdma_register_tid_in_params *iparams);
644 
645 	int (*rdma_deregister_tid)(void *rdma_cxt, u32 itid);
646 	int (*rdma_alloc_tid)(void *rdma_cxt, u32 *itid);
647 	void (*rdma_free_tid)(void *rdma_cxt, u32 itid);
648 
649 	int (*rdma_create_srq)(void *rdma_cxt,
650 			       struct qed_rdma_create_srq_in_params *iparams,
651 			       struct qed_rdma_create_srq_out_params *oparams);
652 	int (*rdma_destroy_srq)(void *rdma_cxt,
653 				struct qed_rdma_destroy_srq_in_params *iparams);
654 	int (*rdma_modify_srq)(void *rdma_cxt,
655 			       struct qed_rdma_modify_srq_in_params *iparams);
656 
657 	int (*ll2_acquire_connection)(void *rdma_cxt,
658 				      struct qed_ll2_acquire_data *data);
659 
660 	int (*ll2_establish_connection)(void *rdma_cxt, u8 connection_handle);
661 	int (*ll2_terminate_connection)(void *rdma_cxt, u8 connection_handle);
662 	void (*ll2_release_connection)(void *rdma_cxt, u8 connection_handle);
663 
664 	int (*ll2_prepare_tx_packet)(void *rdma_cxt,
665 				     u8 connection_handle,
666 				     struct qed_ll2_tx_pkt_info *pkt,
667 				     bool notify_fw);
668 
669 	int (*ll2_set_fragment_of_tx_packet)(void *rdma_cxt,
670 					     u8 connection_handle,
671 					     dma_addr_t addr,
672 					     u16 nbytes);
673 	int (*ll2_post_rx_buffer)(void *rdma_cxt, u8 connection_handle,
674 				  dma_addr_t addr, u16 buf_len, void *cookie,
675 				  u8 notify_fw);
676 	int (*ll2_get_stats)(void *rdma_cxt,
677 			     u8 connection_handle,
678 			     struct qed_ll2_stats *p_stats);
679 	int (*ll2_set_mac_filter)(struct qed_dev *cdev,
680 				  u8 *old_mac_address, u8 *new_mac_address);
681 
682 	int (*iwarp_connect)(void *rdma_cxt,
683 			     struct qed_iwarp_connect_in *iparams,
684 			     struct qed_iwarp_connect_out *oparams);
685 
686 	int (*iwarp_create_listen)(void *rdma_cxt,
687 				   struct qed_iwarp_listen_in *iparams,
688 				   struct qed_iwarp_listen_out *oparams);
689 
690 	int (*iwarp_accept)(void *rdma_cxt,
691 			    struct qed_iwarp_accept_in *iparams);
692 
693 	int (*iwarp_reject)(void *rdma_cxt,
694 			    struct qed_iwarp_reject_in *iparams);
695 
696 	int (*iwarp_destroy_listen)(void *rdma_cxt, void *handle);
697 
698 	int (*iwarp_send_rtr)(void *rdma_cxt,
699 			      struct qed_iwarp_send_rtr_in *iparams);
700 };
701 
702 const struct qed_rdma_ops *qed_get_rdma_ops(void);
703 
704 #endif
705