xref: /openbmc/linux/include/linux/qed/qed_rdma_if.h (revision 31af04cd)
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 #define QED_RDMA_MAX_CNQ_SIZE               (0xFFFF)
43 
44 /* rdma interface */
45 
46 enum qed_roce_qp_state {
47 	QED_ROCE_QP_STATE_RESET,
48 	QED_ROCE_QP_STATE_INIT,
49 	QED_ROCE_QP_STATE_RTR,
50 	QED_ROCE_QP_STATE_RTS,
51 	QED_ROCE_QP_STATE_SQD,
52 	QED_ROCE_QP_STATE_ERR,
53 	QED_ROCE_QP_STATE_SQE
54 };
55 
56 enum qed_rdma_tid_type {
57 	QED_RDMA_TID_REGISTERED_MR,
58 	QED_RDMA_TID_FMR,
59 	QED_RDMA_TID_MW
60 };
61 
62 struct qed_rdma_events {
63 	void *context;
64 	void (*affiliated_event)(void *context, u8 fw_event_code,
65 				 void *fw_handle);
66 	void (*unaffiliated_event)(void *context, u8 event_code);
67 };
68 
69 struct qed_rdma_device {
70 	u32 vendor_id;
71 	u32 vendor_part_id;
72 	u32 hw_ver;
73 	u64 fw_ver;
74 
75 	u64 node_guid;
76 	u64 sys_image_guid;
77 
78 	u8 max_cnq;
79 	u8 max_sge;
80 	u8 max_srq_sge;
81 	u16 max_inline;
82 	u32 max_wqe;
83 	u32 max_srq_wqe;
84 	u8 max_qp_resp_rd_atomic_resc;
85 	u8 max_qp_req_rd_atomic_resc;
86 	u64 max_dev_resp_rd_atomic_resc;
87 	u32 max_cq;
88 	u32 max_qp;
89 	u32 max_srq;
90 	u32 max_mr;
91 	u64 max_mr_size;
92 	u32 max_cqe;
93 	u32 max_mw;
94 	u32 max_fmr;
95 	u32 max_mr_mw_fmr_pbl;
96 	u64 max_mr_mw_fmr_size;
97 	u32 max_pd;
98 	u32 max_ah;
99 	u8 max_pkey;
100 	u16 max_srq_wr;
101 	u8 max_stats_queues;
102 	u32 dev_caps;
103 
104 	/* Abilty to support RNR-NAK generation */
105 
106 #define QED_RDMA_DEV_CAP_RNR_NAK_MASK                           0x1
107 #define QED_RDMA_DEV_CAP_RNR_NAK_SHIFT                  0
108 	/* Abilty to support shutdown port */
109 #define QED_RDMA_DEV_CAP_SHUTDOWN_PORT_MASK                     0x1
110 #define QED_RDMA_DEV_CAP_SHUTDOWN_PORT_SHIFT                    1
111 	/* Abilty to support port active event */
112 #define QED_RDMA_DEV_CAP_PORT_ACTIVE_EVENT_MASK         0x1
113 #define QED_RDMA_DEV_CAP_PORT_ACTIVE_EVENT_SHIFT                2
114 	/* Abilty to support port change event */
115 #define QED_RDMA_DEV_CAP_PORT_CHANGE_EVENT_MASK         0x1
116 #define QED_RDMA_DEV_CAP_PORT_CHANGE_EVENT_SHIFT                3
117 	/* Abilty to support system image GUID */
118 #define QED_RDMA_DEV_CAP_SYS_IMAGE_MASK                 0x1
119 #define QED_RDMA_DEV_CAP_SYS_IMAGE_SHIFT                        4
120 	/* Abilty to support bad P_Key counter support */
121 #define QED_RDMA_DEV_CAP_BAD_PKEY_CNT_MASK                      0x1
122 #define QED_RDMA_DEV_CAP_BAD_PKEY_CNT_SHIFT                     5
123 	/* Abilty to support atomic operations */
124 #define QED_RDMA_DEV_CAP_ATOMIC_OP_MASK                 0x1
125 #define QED_RDMA_DEV_CAP_ATOMIC_OP_SHIFT                        6
126 #define QED_RDMA_DEV_CAP_RESIZE_CQ_MASK                 0x1
127 #define QED_RDMA_DEV_CAP_RESIZE_CQ_SHIFT                        7
128 	/* Abilty to support modifying the maximum number of
129 	 * outstanding work requests per QP
130 	 */
131 #define QED_RDMA_DEV_CAP_RESIZE_MAX_WR_MASK                     0x1
132 #define QED_RDMA_DEV_CAP_RESIZE_MAX_WR_SHIFT                    8
133 	/* Abilty to support automatic path migration */
134 #define QED_RDMA_DEV_CAP_AUTO_PATH_MIG_MASK                     0x1
135 #define QED_RDMA_DEV_CAP_AUTO_PATH_MIG_SHIFT                    9
136 	/* Abilty to support the base memory management extensions */
137 #define QED_RDMA_DEV_CAP_BASE_MEMORY_EXT_MASK                   0x1
138 #define QED_RDMA_DEV_CAP_BASE_MEMORY_EXT_SHIFT          10
139 #define QED_RDMA_DEV_CAP_BASE_QUEUE_EXT_MASK                    0x1
140 #define QED_RDMA_DEV_CAP_BASE_QUEUE_EXT_SHIFT                   11
141 	/* Abilty to support multipile page sizes per memory region */
142 #define QED_RDMA_DEV_CAP_MULTI_PAGE_PER_MR_EXT_MASK             0x1
143 #define QED_RDMA_DEV_CAP_MULTI_PAGE_PER_MR_EXT_SHIFT            12
144 	/* Abilty to support block list physical buffer list */
145 #define QED_RDMA_DEV_CAP_BLOCK_MODE_MASK                        0x1
146 #define QED_RDMA_DEV_CAP_BLOCK_MODE_SHIFT                       13
147 	/* Abilty to support zero based virtual addresses */
148 #define QED_RDMA_DEV_CAP_ZBVA_MASK                              0x1
149 #define QED_RDMA_DEV_CAP_ZBVA_SHIFT                             14
150 	/* Abilty to support local invalidate fencing */
151 #define QED_RDMA_DEV_CAP_LOCAL_INV_FENCE_MASK                   0x1
152 #define QED_RDMA_DEV_CAP_LOCAL_INV_FENCE_SHIFT          15
153 	/* Abilty to support Loopback on QP */
154 #define QED_RDMA_DEV_CAP_LB_INDICATOR_MASK                      0x1
155 #define QED_RDMA_DEV_CAP_LB_INDICATOR_SHIFT                     16
156 	u64 page_size_caps;
157 	u8 dev_ack_delay;
158 	u32 reserved_lkey;
159 	u32 bad_pkey_counter;
160 	struct qed_rdma_events events;
161 };
162 
163 enum qed_port_state {
164 	QED_RDMA_PORT_UP,
165 	QED_RDMA_PORT_DOWN,
166 };
167 
168 enum qed_roce_capability {
169 	QED_ROCE_V1 = 1 << 0,
170 	QED_ROCE_V2 = 1 << 1,
171 };
172 
173 struct qed_rdma_port {
174 	enum qed_port_state port_state;
175 	int link_speed;
176 	u64 max_msg_size;
177 	u8 source_gid_table_len;
178 	void *source_gid_table_ptr;
179 	u8 pkey_table_len;
180 	void *pkey_table_ptr;
181 	u32 pkey_bad_counter;
182 	enum qed_roce_capability capability;
183 };
184 
185 struct qed_rdma_cnq_params {
186 	u8 num_pbl_pages;
187 	u64 pbl_ptr;
188 };
189 
190 /* The CQ Mode affects the CQ doorbell transaction size.
191  * 64/32 bit machines should configure to 32/16 bits respectively.
192  */
193 enum qed_rdma_cq_mode {
194 	QED_RDMA_CQ_MODE_16_BITS,
195 	QED_RDMA_CQ_MODE_32_BITS,
196 };
197 
198 struct qed_roce_dcqcn_params {
199 	u8 notification_point;
200 	u8 reaction_point;
201 
202 	/* fields for notification point */
203 	u32 cnp_send_timeout;
204 
205 	/* fields for reaction point */
206 	u32 rl_bc_rate;
207 	u16 rl_max_rate;
208 	u16 rl_r_ai;
209 	u16 rl_r_hai;
210 	u16 dcqcn_g;
211 	u32 dcqcn_k_us;
212 	u32 dcqcn_timeout_us;
213 };
214 
215 struct qed_rdma_start_in_params {
216 	struct qed_rdma_events *events;
217 	struct qed_rdma_cnq_params cnq_pbl_list[128];
218 	u8 desired_cnq;
219 	enum qed_rdma_cq_mode cq_mode;
220 	struct qed_roce_dcqcn_params dcqcn_params;
221 	u16 max_mtu;
222 	u8 mac_addr[ETH_ALEN];
223 	u8 iwarp_flags;
224 };
225 
226 struct qed_rdma_add_user_out_params {
227 	u16 dpi;
228 	u64 dpi_addr;
229 	u64 dpi_phys_addr;
230 	u32 dpi_size;
231 	u16 wid_count;
232 };
233 
234 enum roce_mode {
235 	ROCE_V1,
236 	ROCE_V2_IPV4,
237 	ROCE_V2_IPV6,
238 	MAX_ROCE_MODE
239 };
240 
241 union qed_gid {
242 	u8 bytes[16];
243 	u16 words[8];
244 	u32 dwords[4];
245 	u64 qwords[2];
246 	u32 ipv4_addr;
247 };
248 
249 struct qed_rdma_register_tid_in_params {
250 	u32 itid;
251 	enum qed_rdma_tid_type tid_type;
252 	u8 key;
253 	u16 pd;
254 	bool local_read;
255 	bool local_write;
256 	bool remote_read;
257 	bool remote_write;
258 	bool remote_atomic;
259 	bool mw_bind;
260 	u64 pbl_ptr;
261 	bool pbl_two_level;
262 	u8 pbl_page_size_log;
263 	u8 page_size_log;
264 	u32 fbo;
265 	u64 length;
266 	u64 vaddr;
267 	bool zbva;
268 	bool phy_mr;
269 	bool dma_mr;
270 
271 	bool dif_enabled;
272 	u64 dif_error_addr;
273 };
274 
275 struct qed_rdma_create_cq_in_params {
276 	u32 cq_handle_lo;
277 	u32 cq_handle_hi;
278 	u32 cq_size;
279 	u16 dpi;
280 	bool pbl_two_level;
281 	u64 pbl_ptr;
282 	u16 pbl_num_pages;
283 	u8 pbl_page_size_log;
284 	u8 cnq_id;
285 	u16 int_timeout;
286 };
287 
288 struct qed_rdma_create_srq_in_params {
289 	u64 pbl_base_addr;
290 	u64 prod_pair_addr;
291 	u16 num_pages;
292 	u16 pd_id;
293 	u16 page_size;
294 };
295 
296 struct qed_rdma_destroy_cq_in_params {
297 	u16 icid;
298 };
299 
300 struct qed_rdma_destroy_cq_out_params {
301 	u16 num_cq_notif;
302 };
303 
304 struct qed_rdma_create_qp_in_params {
305 	u32 qp_handle_lo;
306 	u32 qp_handle_hi;
307 	u32 qp_handle_async_lo;
308 	u32 qp_handle_async_hi;
309 	bool use_srq;
310 	bool signal_all;
311 	bool fmr_and_reserved_lkey;
312 	u16 pd;
313 	u16 dpi;
314 	u16 sq_cq_id;
315 	u16 sq_num_pages;
316 	u64 sq_pbl_ptr;
317 	u8 max_sq_sges;
318 	u16 rq_cq_id;
319 	u16 rq_num_pages;
320 	u64 rq_pbl_ptr;
321 	u16 srq_id;
322 	u8 stats_queue;
323 };
324 
325 struct qed_rdma_create_qp_out_params {
326 	u32 qp_id;
327 	u16 icid;
328 	void *rq_pbl_virt;
329 	dma_addr_t rq_pbl_phys;
330 	void *sq_pbl_virt;
331 	dma_addr_t sq_pbl_phys;
332 };
333 
334 struct qed_rdma_modify_qp_in_params {
335 	u32 modify_flags;
336 #define QED_RDMA_MODIFY_QP_VALID_NEW_STATE_MASK               0x1
337 #define QED_RDMA_MODIFY_QP_VALID_NEW_STATE_SHIFT              0
338 #define QED_ROCE_MODIFY_QP_VALID_PKEY_MASK                    0x1
339 #define QED_ROCE_MODIFY_QP_VALID_PKEY_SHIFT                   1
340 #define QED_RDMA_MODIFY_QP_VALID_RDMA_OPS_EN_MASK             0x1
341 #define QED_RDMA_MODIFY_QP_VALID_RDMA_OPS_EN_SHIFT            2
342 #define QED_ROCE_MODIFY_QP_VALID_DEST_QP_MASK                 0x1
343 #define QED_ROCE_MODIFY_QP_VALID_DEST_QP_SHIFT                3
344 #define QED_ROCE_MODIFY_QP_VALID_ADDRESS_VECTOR_MASK          0x1
345 #define QED_ROCE_MODIFY_QP_VALID_ADDRESS_VECTOR_SHIFT         4
346 #define QED_ROCE_MODIFY_QP_VALID_RQ_PSN_MASK                  0x1
347 #define QED_ROCE_MODIFY_QP_VALID_RQ_PSN_SHIFT                 5
348 #define QED_ROCE_MODIFY_QP_VALID_SQ_PSN_MASK                  0x1
349 #define QED_ROCE_MODIFY_QP_VALID_SQ_PSN_SHIFT                 6
350 #define QED_RDMA_MODIFY_QP_VALID_MAX_RD_ATOMIC_REQ_MASK       0x1
351 #define QED_RDMA_MODIFY_QP_VALID_MAX_RD_ATOMIC_REQ_SHIFT      7
352 #define QED_RDMA_MODIFY_QP_VALID_MAX_RD_ATOMIC_RESP_MASK      0x1
353 #define QED_RDMA_MODIFY_QP_VALID_MAX_RD_ATOMIC_RESP_SHIFT     8
354 #define QED_ROCE_MODIFY_QP_VALID_ACK_TIMEOUT_MASK             0x1
355 #define QED_ROCE_MODIFY_QP_VALID_ACK_TIMEOUT_SHIFT            9
356 #define QED_ROCE_MODIFY_QP_VALID_RETRY_CNT_MASK               0x1
357 #define QED_ROCE_MODIFY_QP_VALID_RETRY_CNT_SHIFT              10
358 #define QED_ROCE_MODIFY_QP_VALID_RNR_RETRY_CNT_MASK           0x1
359 #define QED_ROCE_MODIFY_QP_VALID_RNR_RETRY_CNT_SHIFT          11
360 #define QED_ROCE_MODIFY_QP_VALID_MIN_RNR_NAK_TIMER_MASK       0x1
361 #define QED_ROCE_MODIFY_QP_VALID_MIN_RNR_NAK_TIMER_SHIFT      12
362 #define QED_ROCE_MODIFY_QP_VALID_E2E_FLOW_CONTROL_EN_MASK     0x1
363 #define QED_ROCE_MODIFY_QP_VALID_E2E_FLOW_CONTROL_EN_SHIFT    13
364 #define QED_ROCE_MODIFY_QP_VALID_ROCE_MODE_MASK               0x1
365 #define QED_ROCE_MODIFY_QP_VALID_ROCE_MODE_SHIFT              14
366 
367 	enum qed_roce_qp_state new_state;
368 	u16 pkey;
369 	bool incoming_rdma_read_en;
370 	bool incoming_rdma_write_en;
371 	bool incoming_atomic_en;
372 	bool e2e_flow_control_en;
373 	u32 dest_qp;
374 	bool lb_indication;
375 	u16 mtu;
376 	u8 traffic_class_tos;
377 	u8 hop_limit_ttl;
378 	u32 flow_label;
379 	union qed_gid sgid;
380 	union qed_gid dgid;
381 	u16 udp_src_port;
382 
383 	u16 vlan_id;
384 
385 	u32 rq_psn;
386 	u32 sq_psn;
387 	u8 max_rd_atomic_resp;
388 	u8 max_rd_atomic_req;
389 	u32 ack_timeout;
390 	u8 retry_cnt;
391 	u8 rnr_retry_cnt;
392 	u8 min_rnr_nak_timer;
393 	bool sqd_async;
394 	u8 remote_mac_addr[6];
395 	u8 local_mac_addr[6];
396 	bool use_local_mac;
397 	enum roce_mode roce_mode;
398 };
399 
400 struct qed_rdma_query_qp_out_params {
401 	enum qed_roce_qp_state state;
402 	u32 rq_psn;
403 	u32 sq_psn;
404 	bool draining;
405 	u16 mtu;
406 	u32 dest_qp;
407 	bool incoming_rdma_read_en;
408 	bool incoming_rdma_write_en;
409 	bool incoming_atomic_en;
410 	bool e2e_flow_control_en;
411 	union qed_gid sgid;
412 	union qed_gid dgid;
413 	u32 flow_label;
414 	u8 hop_limit_ttl;
415 	u8 traffic_class_tos;
416 	u32 timeout;
417 	u8 rnr_retry;
418 	u8 retry_cnt;
419 	u8 min_rnr_nak_timer;
420 	u16 pkey_index;
421 	u8 max_rd_atomic;
422 	u8 max_dest_rd_atomic;
423 	bool sqd_async;
424 };
425 
426 struct qed_rdma_create_srq_out_params {
427 	u16 srq_id;
428 };
429 
430 struct qed_rdma_destroy_srq_in_params {
431 	u16 srq_id;
432 };
433 
434 struct qed_rdma_modify_srq_in_params {
435 	u32 wqe_limit;
436 	u16 srq_id;
437 };
438 
439 struct qed_rdma_stats_out_params {
440 	u64 sent_bytes;
441 	u64 sent_pkts;
442 	u64 rcv_bytes;
443 	u64 rcv_pkts;
444 };
445 
446 struct qed_rdma_counters_out_params {
447 	u64 pd_count;
448 	u64 max_pd;
449 	u64 dpi_count;
450 	u64 max_dpi;
451 	u64 cq_count;
452 	u64 max_cq;
453 	u64 qp_count;
454 	u64 max_qp;
455 	u64 tid_count;
456 	u64 max_tid;
457 };
458 
459 #define QED_ROCE_TX_HEAD_FAILURE        (1)
460 #define QED_ROCE_TX_FRAG_FAILURE        (2)
461 
462 enum qed_iwarp_event_type {
463 	QED_IWARP_EVENT_MPA_REQUEST,	  /* Passive side request received */
464 	QED_IWARP_EVENT_PASSIVE_COMPLETE, /* ack on mpa response */
465 	QED_IWARP_EVENT_ACTIVE_COMPLETE,  /* Active side reply received */
466 	QED_IWARP_EVENT_DISCONNECT,
467 	QED_IWARP_EVENT_CLOSE,
468 	QED_IWARP_EVENT_IRQ_FULL,
469 	QED_IWARP_EVENT_RQ_EMPTY,
470 	QED_IWARP_EVENT_LLP_TIMEOUT,
471 	QED_IWARP_EVENT_REMOTE_PROTECTION_ERROR,
472 	QED_IWARP_EVENT_CQ_OVERFLOW,
473 	QED_IWARP_EVENT_QP_CATASTROPHIC,
474 	QED_IWARP_EVENT_ACTIVE_MPA_REPLY,
475 	QED_IWARP_EVENT_LOCAL_ACCESS_ERROR,
476 	QED_IWARP_EVENT_REMOTE_OPERATION_ERROR,
477 	QED_IWARP_EVENT_TERMINATE_RECEIVED,
478 	QED_IWARP_EVENT_SRQ_LIMIT,
479 	QED_IWARP_EVENT_SRQ_EMPTY,
480 };
481 
482 enum qed_tcp_ip_version {
483 	QED_TCP_IPV4,
484 	QED_TCP_IPV6,
485 };
486 
487 struct qed_iwarp_cm_info {
488 	enum qed_tcp_ip_version ip_version;
489 	u32 remote_ip[4];
490 	u32 local_ip[4];
491 	u16 remote_port;
492 	u16 local_port;
493 	u16 vlan;
494 	u8 ord;
495 	u8 ird;
496 	u16 private_data_len;
497 	const void *private_data;
498 };
499 
500 struct qed_iwarp_cm_event_params {
501 	enum qed_iwarp_event_type event;
502 	const struct qed_iwarp_cm_info *cm_info;
503 	void *ep_context;	/* To be passed to accept call */
504 	int status;
505 };
506 
507 typedef int (*iwarp_event_handler) (void *context,
508 				    struct qed_iwarp_cm_event_params *event);
509 
510 struct qed_iwarp_connect_in {
511 	iwarp_event_handler event_cb;
512 	void *cb_context;
513 	struct qed_rdma_qp *qp;
514 	struct qed_iwarp_cm_info cm_info;
515 	u16 mss;
516 	u8 remote_mac_addr[ETH_ALEN];
517 	u8 local_mac_addr[ETH_ALEN];
518 };
519 
520 struct qed_iwarp_connect_out {
521 	void *ep_context;
522 };
523 
524 struct qed_iwarp_listen_in {
525 	iwarp_event_handler event_cb;
526 	void *cb_context;	/* passed to event_cb */
527 	u32 max_backlog;
528 	enum qed_tcp_ip_version ip_version;
529 	u32 ip_addr[4];
530 	u16 port;
531 	u16 vlan;
532 };
533 
534 struct qed_iwarp_listen_out {
535 	void *handle;
536 };
537 
538 struct qed_iwarp_accept_in {
539 	void *ep_context;
540 	void *cb_context;
541 	struct qed_rdma_qp *qp;
542 	const void *private_data;
543 	u16 private_data_len;
544 	u8 ord;
545 	u8 ird;
546 };
547 
548 struct qed_iwarp_reject_in {
549 	void *ep_context;
550 	void *cb_context;
551 	const void *private_data;
552 	u16 private_data_len;
553 };
554 
555 struct qed_iwarp_send_rtr_in {
556 	void *ep_context;
557 };
558 
559 struct qed_roce_ll2_header {
560 	void *vaddr;
561 	dma_addr_t baddr;
562 	size_t len;
563 };
564 
565 struct qed_roce_ll2_buffer {
566 	dma_addr_t baddr;
567 	size_t len;
568 };
569 
570 struct qed_roce_ll2_packet {
571 	struct qed_roce_ll2_header header;
572 	int n_seg;
573 	struct qed_roce_ll2_buffer payload[RDMA_MAX_SGE_PER_SQ_WQE];
574 	int roce_mode;
575 	enum qed_ll2_tx_dest tx_dest;
576 };
577 
578 enum qed_rdma_type {
579 	QED_RDMA_TYPE_ROCE,
580 	QED_RDMA_TYPE_IWARP
581 };
582 
583 struct qed_dev_rdma_info {
584 	struct qed_dev_info common;
585 	enum qed_rdma_type rdma_type;
586 	u8 user_dpm_enabled;
587 };
588 
589 struct qed_rdma_ops {
590 	const struct qed_common_ops *common;
591 
592 	int (*fill_dev_info)(struct qed_dev *cdev,
593 			     struct qed_dev_rdma_info *info);
594 	void *(*rdma_get_rdma_ctx)(struct qed_dev *cdev);
595 
596 	int (*rdma_init)(struct qed_dev *dev,
597 			 struct qed_rdma_start_in_params *iparams);
598 
599 	int (*rdma_add_user)(void *rdma_cxt,
600 			     struct qed_rdma_add_user_out_params *oparams);
601 
602 	void (*rdma_remove_user)(void *rdma_cxt, u16 dpi);
603 	int (*rdma_stop)(void *rdma_cxt);
604 	struct qed_rdma_device* (*rdma_query_device)(void *rdma_cxt);
605 	struct qed_rdma_port* (*rdma_query_port)(void *rdma_cxt);
606 	int (*rdma_get_start_sb)(struct qed_dev *cdev);
607 	int (*rdma_get_min_cnq_msix)(struct qed_dev *cdev);
608 	void (*rdma_cnq_prod_update)(void *rdma_cxt, u8 cnq_index, u16 prod);
609 	int (*rdma_get_rdma_int)(struct qed_dev *cdev,
610 				 struct qed_int_info *info);
611 	int (*rdma_set_rdma_int)(struct qed_dev *cdev, u16 cnt);
612 	int (*rdma_alloc_pd)(void *rdma_cxt, u16 *pd);
613 	void (*rdma_dealloc_pd)(void *rdma_cxt, u16 pd);
614 	int (*rdma_create_cq)(void *rdma_cxt,
615 			      struct qed_rdma_create_cq_in_params *params,
616 			      u16 *icid);
617 	int (*rdma_destroy_cq)(void *rdma_cxt,
618 			       struct qed_rdma_destroy_cq_in_params *iparams,
619 			       struct qed_rdma_destroy_cq_out_params *oparams);
620 	struct qed_rdma_qp *
621 	(*rdma_create_qp)(void *rdma_cxt,
622 			  struct qed_rdma_create_qp_in_params *iparams,
623 			  struct qed_rdma_create_qp_out_params *oparams);
624 
625 	int (*rdma_modify_qp)(void *roce_cxt, struct qed_rdma_qp *qp,
626 			      struct qed_rdma_modify_qp_in_params *iparams);
627 
628 	int (*rdma_query_qp)(void *rdma_cxt, struct qed_rdma_qp *qp,
629 			     struct qed_rdma_query_qp_out_params *oparams);
630 	int (*rdma_destroy_qp)(void *rdma_cxt, struct qed_rdma_qp *qp);
631 
632 	int
633 	(*rdma_register_tid)(void *rdma_cxt,
634 			     struct qed_rdma_register_tid_in_params *iparams);
635 
636 	int (*rdma_deregister_tid)(void *rdma_cxt, u32 itid);
637 	int (*rdma_alloc_tid)(void *rdma_cxt, u32 *itid);
638 	void (*rdma_free_tid)(void *rdma_cxt, u32 itid);
639 
640 	int (*rdma_create_srq)(void *rdma_cxt,
641 			       struct qed_rdma_create_srq_in_params *iparams,
642 			       struct qed_rdma_create_srq_out_params *oparams);
643 	int (*rdma_destroy_srq)(void *rdma_cxt,
644 				struct qed_rdma_destroy_srq_in_params *iparams);
645 	int (*rdma_modify_srq)(void *rdma_cxt,
646 			       struct qed_rdma_modify_srq_in_params *iparams);
647 
648 	int (*ll2_acquire_connection)(void *rdma_cxt,
649 				      struct qed_ll2_acquire_data *data);
650 
651 	int (*ll2_establish_connection)(void *rdma_cxt, u8 connection_handle);
652 	int (*ll2_terminate_connection)(void *rdma_cxt, u8 connection_handle);
653 	void (*ll2_release_connection)(void *rdma_cxt, u8 connection_handle);
654 
655 	int (*ll2_prepare_tx_packet)(void *rdma_cxt,
656 				     u8 connection_handle,
657 				     struct qed_ll2_tx_pkt_info *pkt,
658 				     bool notify_fw);
659 
660 	int (*ll2_set_fragment_of_tx_packet)(void *rdma_cxt,
661 					     u8 connection_handle,
662 					     dma_addr_t addr,
663 					     u16 nbytes);
664 	int (*ll2_post_rx_buffer)(void *rdma_cxt, u8 connection_handle,
665 				  dma_addr_t addr, u16 buf_len, void *cookie,
666 				  u8 notify_fw);
667 	int (*ll2_get_stats)(void *rdma_cxt,
668 			     u8 connection_handle,
669 			     struct qed_ll2_stats *p_stats);
670 	int (*ll2_set_mac_filter)(struct qed_dev *cdev,
671 				  u8 *old_mac_address, u8 *new_mac_address);
672 
673 	int (*iwarp_connect)(void *rdma_cxt,
674 			     struct qed_iwarp_connect_in *iparams,
675 			     struct qed_iwarp_connect_out *oparams);
676 
677 	int (*iwarp_create_listen)(void *rdma_cxt,
678 				   struct qed_iwarp_listen_in *iparams,
679 				   struct qed_iwarp_listen_out *oparams);
680 
681 	int (*iwarp_accept)(void *rdma_cxt,
682 			    struct qed_iwarp_accept_in *iparams);
683 
684 	int (*iwarp_reject)(void *rdma_cxt,
685 			    struct qed_iwarp_reject_in *iparams);
686 
687 	int (*iwarp_destroy_listen)(void *rdma_cxt, void *handle);
688 
689 	int (*iwarp_send_rtr)(void *rdma_cxt,
690 			      struct qed_iwarp_send_rtr_in *iparams);
691 };
692 
693 const struct qed_rdma_ops *qed_get_rdma_ops(void);
694 
695 #endif
696