xref: /freebsd/sys/dev/qlnx/qlnxe/ecore_roce.c (revision 1f474190)
1 /*
2  * Copyright (c) 2018-2019 Cavium, Inc.
3  * All rights reserved.
4  *
5  *  Redistribution and use in source and binary forms, with or without
6  *  modification, are permitted provided that the following conditions
7  *  are met:
8  *
9  *  1. Redistributions of source code must retain the above copyright
10  *     notice, this list of conditions and the following disclaimer.
11  *  2. Redistributions in binary form must reproduce the above copyright
12  *     notice, this list of conditions and the following disclaimer in the
13  *     documentation and/or other materials provided with the distribution.
14  *
15  *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16  *  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17  *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18  *  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
19  *  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
20  *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
21  *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
22  *  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
23  *  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
24  *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
25  *  POSSIBILITY OF SUCH DAMAGE.
26  */
27 
28 /*
29  * File : ecore_roce.c
30  */
31 #include <sys/cdefs.h>
32 __FBSDID("$FreeBSD$");
33 
34 #include "bcm_osal.h"
35 #include "ecore.h"
36 #include "ecore_status.h"
37 #include "ecore_sp_commands.h"
38 #include "ecore_cxt.h"
39 #include "ecore_rdma.h"
40 #include "reg_addr.h"
41 #include "ecore_rt_defs.h"
42 #include "ecore_init_ops.h"
43 #include "ecore_hw.h"
44 #include "ecore_mcp.h"
45 #include "ecore_init_fw_funcs.h"
46 #include "ecore_int.h"
47 #include "pcics_reg_driver.h"
48 #include "ecore_iro.h"
49 #include "ecore_gtt_reg_addr.h"
50 #ifndef LINUX_REMOVE
51 #include "ecore_tcp_ip.h"
52 #endif
53 
54 #ifdef _NTDDK_
55 #pragma warning(push)
56 #pragma warning(disable : 28167)
57 #pragma warning(disable : 28123)
58 #pragma warning(disable : 28182)
59 #pragma warning(disable : 6011)
60 #endif
61 
62 static void ecore_roce_free_icid(struct ecore_hwfn *p_hwfn, u16 icid);
63 
64 static enum _ecore_status_t
65 ecore_roce_async_event(struct ecore_hwfn *p_hwfn,
66 		       u8 fw_event_code,
67 		       u16 OSAL_UNUSED echo,
68 		       union event_ring_data *data,
69 		       u8 OSAL_UNUSED fw_return_code)
70 {
71 	if (fw_event_code == ROCE_ASYNC_EVENT_DESTROY_QP_DONE) {
72 		u16 icid = (u16)OSAL_LE32_TO_CPU(
73 				data->rdma_data.rdma_destroy_qp_data.cid);
74 
75 		/* icid release in this async event can occur only if the icid
76 		 * was offloaded to the FW. In case it wasn't offloaded this is
77 		 * handled in ecore_roce_sp_destroy_qp.
78 		 */
79 		ecore_roce_free_icid(p_hwfn, icid);
80 	} else
81 		p_hwfn->p_rdma_info->events.affiliated_event(
82 			p_hwfn->p_rdma_info->events.context,
83 			fw_event_code,
84 			(void *)&data->rdma_data.async_handle);
85 
86 	return ECORE_SUCCESS;
87 }
88 
89 #ifdef CONFIG_DCQCN
90 static enum _ecore_status_t ecore_roce_start_rl(
91 	struct ecore_hwfn *p_hwfn,
92 	struct ecore_roce_dcqcn_params *dcqcn_params)
93 {
94 	struct ecore_rl_update_params params;
95 
96 	DP_VERBOSE(p_hwfn, ECORE_MSG_RDMA, "\n");
97 	OSAL_MEMSET(&params, 0, sizeof(params));
98 
99 	params.rl_id_first = (u8)RESC_START(p_hwfn, ECORE_RL);
100 	params.rl_id_last = RESC_START(p_hwfn, ECORE_RL) +
101 		ecore_init_qm_get_num_pf_rls(p_hwfn);
102 	params.dcqcn_update_param_flg = 1;
103 	params.rl_init_flg = 1;
104 	params.rl_start_flg = 1;
105 	params.rl_stop_flg = 0;
106 	params.rl_dc_qcn_flg = 1;
107 
108 	params.rl_bc_rate = dcqcn_params->rl_bc_rate;
109 	params.rl_max_rate = dcqcn_params->rl_max_rate;
110 	params.rl_r_ai = dcqcn_params->rl_r_ai;
111 	params.rl_r_hai = dcqcn_params->rl_r_hai;
112 	params.dcqcn_gd = dcqcn_params->dcqcn_gd;
113 	params.dcqcn_k_us = dcqcn_params->dcqcn_k_us;
114 	params.dcqcn_timeuot_us = dcqcn_params->dcqcn_timeout_us;
115 
116 	return ecore_sp_rl_update(p_hwfn, &params);
117 }
118 
119 enum _ecore_status_t ecore_roce_stop_rl(struct ecore_hwfn *p_hwfn)
120 {
121 	struct ecore_rl_update_params params;
122 
123 	if (!p_hwfn->p_rdma_info->roce.dcqcn_reaction_point)
124 		return ECORE_SUCCESS;
125 
126 	OSAL_MEMSET(&params, 0, sizeof(params));
127 	DP_VERBOSE(p_hwfn, ECORE_MSG_RDMA, "\n");
128 
129 	params.rl_id_first = (u8)RESC_START(p_hwfn, ECORE_RL);
130 	params.rl_id_last = RESC_START(p_hwfn, ECORE_RL) +
131 		ecore_init_qm_get_num_pf_rls(p_hwfn);
132 	params.rl_stop_flg = 1;
133 
134 	return ecore_sp_rl_update(p_hwfn, &params);
135 }
136 
137 #define NIG_REG_ROCE_DUPLICATE_TO_HOST_BTH 2
138 #define NIG_REG_ROCE_DUPLICATE_TO_HOST_ECN 1
139 
140 enum _ecore_status_t ecore_roce_dcqcn_cfg(
141 	struct ecore_hwfn			*p_hwfn,
142 	struct ecore_roce_dcqcn_params		*params,
143 	struct roce_init_func_ramrod_data	*p_ramrod,
144 	struct ecore_ptt			*p_ptt)
145 {
146 	u32 val = 0;
147 	enum _ecore_status_t rc = ECORE_SUCCESS;
148 
149 	if (!p_hwfn->pf_params.rdma_pf_params.enable_dcqcn ||
150 	    p_hwfn->p_rdma_info->proto == PROTOCOLID_IWARP)
151 		return rc;
152 
153 	p_hwfn->p_rdma_info->roce.dcqcn_enabled = 0;
154 	if (params->notification_point) {
155 		DP_VERBOSE(p_hwfn, ECORE_MSG_RDMA,
156 			   "Configuring dcqcn notification point: timeout = 0x%x\n",
157 			   params->cnp_send_timeout);
158 		p_ramrod->roce.cnp_send_timeout = params->cnp_send_timeout;
159 		p_hwfn->p_rdma_info->roce.dcqcn_enabled = 1;
160 		/* Configure NIG to duplicate to host and storm when:
161 		 *  - (ECN == 2'b11 (notification point)
162 		 */
163 		val |= 1 << NIG_REG_ROCE_DUPLICATE_TO_HOST_ECN;
164 	}
165 
166 	if (params->reaction_point) {
167 		DP_VERBOSE(p_hwfn, ECORE_MSG_RDMA,
168 			   "Configuring dcqcn reaction point\n");
169 		p_hwfn->p_rdma_info->roce.dcqcn_enabled = 1;
170 		p_hwfn->p_rdma_info->roce.dcqcn_reaction_point = 1;
171 		/* Configure NIG to duplicate to host and storm when:
172 		 * - BTH opcode equals bth_hdr_flow_ctrl_opcode_2
173 		 * (reaction point)
174 		 */
175 		val |= 1 << NIG_REG_ROCE_DUPLICATE_TO_HOST_BTH;
176 
177 		rc = ecore_roce_start_rl(p_hwfn, params);
178 	}
179 
180 	if (rc)
181 		return rc;
182 
183 	p_ramrod->roce.cnp_dscp = params->cnp_dscp;
184 	p_ramrod->roce.cnp_vlan_priority = params->cnp_vlan_priority;
185 
186 	ecore_wr(p_hwfn,
187 		 p_ptt,
188 		 NIG_REG_ROCE_DUPLICATE_TO_HOST,
189 		 val);
190 
191 	return rc;
192 }
193 #endif
194 
195 enum _ecore_status_t ecore_roce_stop(struct ecore_hwfn *p_hwfn)
196 {
197 	struct ecore_bmap *cid_map = &p_hwfn->p_rdma_info->cid_map;
198 	int wait_count = 0;
199 
200 	/* when destroying a_RoCE QP the control is returned to the
201 	 * user after the synchronous part. The asynchronous part may
202 	 * take a little longer. We delay for a short while if an
203 	 * asyn destroy QP is still expected. Beyond the added delay
204 	 * we clear the bitmap anyway.
205 	 */
206 	while (OSAL_BITMAP_WEIGHT(cid_map->bitmap, cid_map->max_count)) {
207 		OSAL_MSLEEP(100);
208 		if (wait_count++ > 20) {
209 			DP_NOTICE(p_hwfn, false,
210 				  "cid bitmap wait timed out\n");
211 			break;
212 		}
213 	}
214 
215 	ecore_spq_unregister_async_cb(p_hwfn, PROTOCOLID_ROCE);
216 
217 	return ECORE_SUCCESS;
218 }
219 
220 static void ecore_rdma_copy_gids(struct ecore_rdma_qp *qp, __le32 *src_gid,
221 				 __le32 *dst_gid) {
222 	u32 i;
223 
224 	if (qp->roce_mode == ROCE_V2_IPV4) {
225 		/* The IPv4 addresses shall be aligned to the highest word.
226 		 * The lower words must be zero.
227 		 */
228 		OSAL_MEMSET(src_gid, 0, sizeof(union ecore_gid));
229 		OSAL_MEMSET(dst_gid, 0, sizeof(union ecore_gid));
230 		src_gid[3] = OSAL_CPU_TO_LE32(qp->sgid.ipv4_addr);
231 		dst_gid[3] = OSAL_CPU_TO_LE32(qp->dgid.ipv4_addr);
232 	} else {
233 		/* RoCE, and RoCE v2 - IPv6: GIDs and IPv6 addresses coincide in
234 		 * location and size
235 		 */
236 		for (i = 0; i < OSAL_ARRAY_SIZE(qp->sgid.dwords); i++) {
237 			src_gid[i] = OSAL_CPU_TO_LE32(qp->sgid.dwords[i]);
238 			dst_gid[i] = OSAL_CPU_TO_LE32(qp->dgid.dwords[i]);
239 		}
240 	}
241 }
242 
243 static enum roce_flavor ecore_roce_mode_to_flavor(enum roce_mode roce_mode)
244 {
245 	enum roce_flavor flavor;
246 
247 	switch (roce_mode) {
248 	case ROCE_V1:
249 		flavor = PLAIN_ROCE;
250 		break;
251 	case ROCE_V2_IPV4:
252 		flavor = RROCE_IPV4;
253 		break;
254 	case ROCE_V2_IPV6:
255 		flavor = (enum roce_flavor)ROCE_V2_IPV6;
256 		break;
257 	default:
258 		flavor = (enum roce_flavor)MAX_ROCE_MODE;
259 		break;
260 	}
261 	return flavor;
262 }
263 
264 #if 0
265 static void ecore_roce_free_cid_pair(struct ecore_hwfn *p_hwfn, u16 cid)
266 {
267 	OSAL_SPIN_LOCK(&p_hwfn->p_rdma_info->lock);
268 	ecore_bmap_release_id(p_hwfn, &p_hwfn->p_rdma_info->qp_map, cid);
269 	ecore_bmap_release_id(p_hwfn, &p_hwfn->p_rdma_info->qp_map, cid + 1);
270 	OSAL_SPIN_UNLOCK(&p_hwfn->p_rdma_info->lock);
271 }
272 #endif
273 
274 static void ecore_roce_free_qp(struct ecore_hwfn *p_hwfn, u16 qp_idx)
275 {
276 	OSAL_SPIN_LOCK(&p_hwfn->p_rdma_info->lock);
277 	ecore_bmap_release_id(p_hwfn, &p_hwfn->p_rdma_info->qp_map, qp_idx);
278 	OSAL_SPIN_UNLOCK(&p_hwfn->p_rdma_info->lock);
279 }
280 
281 #define ECORE_ROCE_CREATE_QP_ATTEMPTS		(20)
282 #define ECORE_ROCE_CREATE_QP_MSLEEP		(10)
283 
284 static enum _ecore_status_t ecore_roce_wait_free_cids(struct ecore_hwfn *p_hwfn, u32 qp_idx)
285 {
286 	struct ecore_rdma_info *p_rdma_info = p_hwfn->p_rdma_info;
287 	bool cids_free = false;
288 	u32 icid, iter = 0;
289 	int req, resp;
290 
291 	icid = ECORE_ROCE_QP_TO_ICID(qp_idx);
292 
293 	/* Make sure that the cids that were used by the QP index are free.
294 	 * This is necessary because the destroy flow returns to the user before
295 	 * the device finishes clean up.
296 	 * It can happen in the following flows:
297 	 * (1) ib_destroy_qp followed by an ib_create_qp
298 	 * (2) ib_modify_qp to RESET followed (not immediately), by an
299 	 *     ib_modify_qp to RTR
300 	 */
301 
302 	do {
303 		OSAL_SPIN_LOCK(&p_rdma_info->lock);
304 		resp = ecore_bmap_test_id(p_hwfn, &p_rdma_info->cid_map, icid);
305 		req = ecore_bmap_test_id(p_hwfn, &p_rdma_info->cid_map, icid + 1);
306 		if (!resp && !req)
307 			cids_free = true;
308 
309 		OSAL_SPIN_UNLOCK(&p_rdma_info->lock);
310 
311 		if (!cids_free) {
312 			OSAL_MSLEEP(ECORE_ROCE_CREATE_QP_MSLEEP);
313 			iter++;
314 		}
315 	} while (!cids_free && iter < ECORE_ROCE_CREATE_QP_ATTEMPTS);
316 
317 	if (!cids_free) {
318 		DP_ERR(p_hwfn->p_dev,
319 		       "responder and/or requester CIDs are still in use. resp=%d, req=%d\n",
320 		       resp, req);
321 		return ECORE_AGAIN;
322 	}
323 
324 	return ECORE_SUCCESS;
325 }
326 
327 enum _ecore_status_t ecore_roce_alloc_qp_idx(
328 		struct ecore_hwfn *p_hwfn, u16 *qp_idx16)
329 {
330 	struct ecore_rdma_info *p_rdma_info = p_hwfn->p_rdma_info;
331 	u32 start_cid, icid, cid, qp_idx;
332 	enum _ecore_status_t rc;
333 
334 	OSAL_SPIN_LOCK(&p_rdma_info->lock);
335 	rc = ecore_rdma_bmap_alloc_id(p_hwfn, &p_rdma_info->qp_map, &qp_idx);
336 	if (rc != ECORE_SUCCESS) {
337 		DP_NOTICE(p_hwfn, false, "failed to allocate qp\n");
338 		OSAL_SPIN_UNLOCK(&p_rdma_info->lock);
339 		return rc;
340 	}
341 
342 	OSAL_SPIN_UNLOCK(&p_rdma_info->lock);
343 
344 	/* Verify the cid bits that of this qp index are clear */
345 	rc = ecore_roce_wait_free_cids(p_hwfn, qp_idx);
346 	if (rc) {
347 		rc = ECORE_UNKNOWN_ERROR;
348 		goto err;
349 	}
350 
351 	/* Allocate a DMA-able context for an ILT page, if not existing, for the
352 	 * associated iids.
353 	 * Note: If second allocation fails there's no need to free the first as
354 	 *       it will be used in the future.
355 	 */
356 	icid = ECORE_ROCE_QP_TO_ICID(qp_idx);
357 	start_cid = ecore_cxt_get_proto_cid_start(p_hwfn, p_rdma_info->proto);
358 	cid = start_cid + icid;
359 
360 	rc = ecore_cxt_dynamic_ilt_alloc(p_hwfn, ECORE_ELEM_CXT, cid);
361 	if (rc != ECORE_SUCCESS)
362 		goto err;
363 
364 	rc = ecore_cxt_dynamic_ilt_alloc(p_hwfn, ECORE_ELEM_CXT, cid + 1);
365 	if (rc != ECORE_SUCCESS)
366 		goto err;
367 
368 	/* qp index is under 2^16 */
369 	*qp_idx16 = (u16)qp_idx;
370 
371 	return ECORE_SUCCESS;
372 
373 err:
374 	ecore_roce_free_qp(p_hwfn, (u16)qp_idx);
375 
376 	DP_VERBOSE(p_hwfn, ECORE_MSG_RDMA, "rc = %d\n", rc);
377 
378 	return rc;
379 }
380 
381 static void ecore_roce_set_cid(struct ecore_hwfn *p_hwfn,
382 			     u32 cid)
383 {
384 	OSAL_SPIN_LOCK(&p_hwfn->p_rdma_info->lock);
385 	ecore_bmap_set_id(p_hwfn,
386 			  &p_hwfn->p_rdma_info->cid_map,
387 			  cid);
388 	OSAL_SPIN_UNLOCK(&p_hwfn->p_rdma_info->lock);
389 }
390 
391 static enum _ecore_status_t ecore_roce_sp_create_responder(
392 	struct ecore_hwfn    *p_hwfn,
393 	struct ecore_rdma_qp *qp)
394 {
395 	struct roce_create_qp_resp_ramrod_data *p_ramrod;
396 	u16 regular_latency_queue, low_latency_queue;
397 	struct ecore_sp_init_data init_data;
398 	enum roce_flavor roce_flavor;
399 	struct ecore_spq_entry *p_ent;
400 	enum _ecore_status_t rc;
401 	u32 cid_start;
402 	u16 fw_srq_id;
403 	bool is_xrc;
404 
405 	if (!qp->has_resp)
406 		return ECORE_SUCCESS;
407 
408 	DP_VERBOSE(p_hwfn, ECORE_MSG_RDMA, "qp_idx = %08x\n", qp->qp_idx);
409 
410 	/* Allocate DMA-able memory for IRQ */
411 	qp->irq_num_pages = 1;
412 	qp->irq = OSAL_DMA_ALLOC_COHERENT(p_hwfn->p_dev,
413 					  &qp->irq_phys_addr,
414 					  RDMA_RING_PAGE_SIZE);
415 	if (!qp->irq) {
416 		rc = ECORE_NOMEM;
417 		DP_NOTICE(p_hwfn, false,
418 			  "ecore create responder failed: cannot allocate memory (irq). rc = %d\n",
419 			  rc);
420 		return rc;
421 	}
422 
423 	/* Get SPQ entry */
424 	OSAL_MEMSET(&init_data, 0, sizeof(init_data));
425 	init_data.cid = qp->icid;
426 	init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
427 	init_data.comp_mode = ECORE_SPQ_MODE_EBLOCK;
428 
429 	rc = ecore_sp_init_request(p_hwfn, &p_ent, ROCE_RAMROD_CREATE_QP,
430 				   PROTOCOLID_ROCE, &init_data);
431 	if (rc != ECORE_SUCCESS)
432 		goto err;
433 
434 	p_ramrod = &p_ent->ramrod.roce_create_qp_resp;
435 
436 	p_ramrod->flags = 0;
437 
438 	roce_flavor = ecore_roce_mode_to_flavor(qp->roce_mode);
439 	SET_FIELD(p_ramrod->flags,
440 		  ROCE_CREATE_QP_RESP_RAMROD_DATA_ROCE_FLAVOR,
441 		  roce_flavor);
442 
443 	SET_FIELD(p_ramrod->flags,
444 		  ROCE_CREATE_QP_RESP_RAMROD_DATA_RDMA_RD_EN,
445 		  qp->incoming_rdma_read_en);
446 
447 	SET_FIELD(p_ramrod->flags,
448 		  ROCE_CREATE_QP_RESP_RAMROD_DATA_RDMA_WR_EN,
449 		  qp->incoming_rdma_write_en);
450 
451 	SET_FIELD(p_ramrod->flags,
452 		  ROCE_CREATE_QP_RESP_RAMROD_DATA_ATOMIC_EN,
453 		  qp->incoming_atomic_en);
454 
455 	SET_FIELD(p_ramrod->flags,
456 		  ROCE_CREATE_QP_RESP_RAMROD_DATA_E2E_FLOW_CONTROL_EN,
457 		  qp->e2e_flow_control_en);
458 
459 	SET_FIELD(p_ramrod->flags,
460 		  ROCE_CREATE_QP_RESP_RAMROD_DATA_SRQ_FLG,
461 		  qp->use_srq);
462 
463 	SET_FIELD(p_ramrod->flags,
464 		  ROCE_CREATE_QP_RESP_RAMROD_DATA_RESERVED_KEY_EN,
465 		  qp->fmr_and_reserved_lkey);
466 
467 	SET_FIELD(p_ramrod->flags,
468 		  ROCE_CREATE_QP_RESP_RAMROD_DATA_XRC_FLAG,
469 		  ecore_rdma_is_xrc_qp(qp));
470 
471 	/* TBD: future use only
472 	 * #define ROCE_CREATE_QP_RESP_RAMROD_DATA_PRI_MASK
473 	 * #define ROCE_CREATE_QP_RESP_RAMROD_DATA_PRI_SHIFT
474 	 */
475 	SET_FIELD(p_ramrod->flags,
476 		  ROCE_CREATE_QP_RESP_RAMROD_DATA_MIN_RNR_NAK_TIMER,
477 		  qp->min_rnr_nak_timer);
478 
479 	p_ramrod->max_ird =
480 		qp->max_rd_atomic_resp;
481 	p_ramrod->traffic_class = qp->traffic_class_tos;
482 	p_ramrod->hop_limit = qp->hop_limit_ttl;
483 	p_ramrod->irq_num_pages = qp->irq_num_pages;
484 	p_ramrod->p_key = OSAL_CPU_TO_LE16(qp->pkey);
485 	p_ramrod->flow_label = OSAL_CPU_TO_LE32(qp->flow_label);
486 	p_ramrod->dst_qp_id = OSAL_CPU_TO_LE32(qp->dest_qp);
487 	p_ramrod->mtu = OSAL_CPU_TO_LE16(qp->mtu);
488 	p_ramrod->initial_psn = OSAL_CPU_TO_LE32(qp->rq_psn);
489 	p_ramrod->pd = OSAL_CPU_TO_LE16(qp->pd);
490 	p_ramrod->rq_num_pages = OSAL_CPU_TO_LE16(qp->rq_num_pages);
491 	DMA_REGPAIR_LE(p_ramrod->rq_pbl_addr, qp->rq_pbl_ptr);
492 	DMA_REGPAIR_LE(p_ramrod->irq_pbl_addr, qp->irq_phys_addr);
493 	ecore_rdma_copy_gids(qp, p_ramrod->src_gid, p_ramrod->dst_gid);
494 	p_ramrod->qp_handle_for_async.hi =
495 			OSAL_CPU_TO_LE32(qp->qp_handle_async.hi);
496 	p_ramrod->qp_handle_for_async.lo =
497 			OSAL_CPU_TO_LE32(qp->qp_handle_async.lo);
498 	p_ramrod->qp_handle_for_cqe.hi = OSAL_CPU_TO_LE32(qp->qp_handle.hi);
499 	p_ramrod->qp_handle_for_cqe.lo = OSAL_CPU_TO_LE32(qp->qp_handle.lo);
500 	p_ramrod->cq_cid = OSAL_CPU_TO_LE32((p_hwfn->hw_info.opaque_fid << 16) | qp->rq_cq_id);
501 	p_ramrod->xrc_domain = OSAL_CPU_TO_LE16(qp->xrcd_id);
502 
503 #ifdef CONFIG_DCQCN
504 	/* when dcqcn is enabled physical queues are determined accoridng to qp id */
505 	if (p_hwfn->p_rdma_info->roce.dcqcn_enabled)
506 		regular_latency_queue =
507 			ecore_get_cm_pq_idx_rl(p_hwfn,
508 					       (qp->icid >> 1) %
509 							ROCE_DCQCN_RP_MAX_QPS);
510 	else
511 #endif
512 		regular_latency_queue = ecore_get_cm_pq_idx(p_hwfn, PQ_FLAGS_OFLD);
513 	low_latency_queue = ecore_get_cm_pq_idx(p_hwfn, PQ_FLAGS_LLT);
514 
515 	p_ramrod->regular_latency_phy_queue = OSAL_CPU_TO_LE16(regular_latency_queue);
516 	p_ramrod->low_latency_phy_queue = OSAL_CPU_TO_LE16(low_latency_queue);
517 	p_ramrod->dpi = OSAL_CPU_TO_LE16(qp->dpi);
518 
519 	ecore_rdma_set_fw_mac(p_ramrod->remote_mac_addr, qp->remote_mac_addr);
520 	ecore_rdma_set_fw_mac(p_ramrod->local_mac_addr, qp->local_mac_addr);
521 
522 	p_ramrod->udp_src_port = qp->udp_src_port;
523 	p_ramrod->vlan_id = OSAL_CPU_TO_LE16(qp->vlan_id);
524 	is_xrc = ecore_rdma_is_xrc_qp(qp);
525 	fw_srq_id = ecore_rdma_get_fw_srq_id(p_hwfn, qp->srq_id, is_xrc);
526 	p_ramrod->srq_id.srq_idx = OSAL_CPU_TO_LE16(fw_srq_id);
527 	p_ramrod->srq_id.opaque_fid = OSAL_CPU_TO_LE16(p_hwfn->hw_info.opaque_fid);
528 
529 	p_ramrod->stats_counter_id = RESC_START(p_hwfn, ECORE_RDMA_STATS_QUEUE) +
530 				     qp->stats_queue;
531 
532 	rc = ecore_spq_post(p_hwfn, p_ent, OSAL_NULL);
533 
534 	DP_VERBOSE(p_hwfn, ECORE_MSG_RDMA, "rc = %d regular physical queue = 0x%x, low latency physical queue 0x%x\n",
535 		   rc, regular_latency_queue, low_latency_queue);
536 
537 	if (rc != ECORE_SUCCESS)
538 		goto err;
539 
540 	qp->resp_offloaded = true;
541 	qp->cq_prod.resp = 0;
542 
543 	cid_start = ecore_cxt_get_proto_cid_start(p_hwfn,
544 						  p_hwfn->p_rdma_info->proto);
545 	ecore_roce_set_cid(p_hwfn, qp->icid - cid_start);
546 
547 	return rc;
548 
549 err:
550 	DP_NOTICE(p_hwfn, false, "create responder - failed, rc = %d\n", rc);
551 	OSAL_DMA_FREE_COHERENT(p_hwfn->p_dev,
552 			       qp->irq,
553 			       qp->irq_phys_addr,
554 			       qp->irq_num_pages *
555 			       RDMA_RING_PAGE_SIZE);
556 
557 	return rc;
558 }
559 
560 static enum _ecore_status_t ecore_roce_sp_create_requester(
561 	struct ecore_hwfn *p_hwfn,
562 	struct ecore_rdma_qp *qp)
563 {
564 	struct roce_create_qp_req_ramrod_data *p_ramrod;
565 	u16 regular_latency_queue, low_latency_queue;
566 	struct ecore_sp_init_data init_data;
567 	enum roce_flavor roce_flavor;
568 	struct ecore_spq_entry *p_ent;
569 	enum _ecore_status_t rc;
570 	u32 cid_start;
571 
572 	if (!qp->has_req)
573 		return ECORE_SUCCESS;
574 
575 	DP_VERBOSE(p_hwfn, ECORE_MSG_RDMA, "icid = %08x\n", qp->icid);
576 
577 	/* Allocate DMA-able memory for ORQ */
578 	qp->orq_num_pages = 1;
579 	qp->orq = OSAL_DMA_ALLOC_COHERENT(p_hwfn->p_dev,
580 					  &qp->orq_phys_addr,
581 					  RDMA_RING_PAGE_SIZE);
582 	if (!qp->orq)
583 	{
584 		rc = ECORE_NOMEM;
585 		DP_NOTICE(p_hwfn, false,
586 			  "ecore create requester failed: cannot allocate memory (orq). rc = %d\n",
587 			  rc);
588 		return rc;
589 	}
590 
591 	/* Get SPQ entry */
592 	OSAL_MEMSET(&init_data, 0, sizeof(init_data));
593 	init_data.cid = qp->icid + 1;
594 	init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
595 	init_data.comp_mode = ECORE_SPQ_MODE_EBLOCK;
596 
597 	rc = ecore_sp_init_request(p_hwfn, &p_ent,
598 				   ROCE_RAMROD_CREATE_QP,
599 				   PROTOCOLID_ROCE, &init_data);
600 	if (rc != ECORE_SUCCESS)
601 		goto err;
602 
603 	p_ramrod = &p_ent->ramrod.roce_create_qp_req;
604 
605 	p_ramrod->flags = 0;
606 
607 	roce_flavor = ecore_roce_mode_to_flavor(qp->roce_mode);
608 	SET_FIELD(p_ramrod->flags,
609 		  ROCE_CREATE_QP_REQ_RAMROD_DATA_ROCE_FLAVOR,
610 		  roce_flavor);
611 
612 	SET_FIELD(p_ramrod->flags,
613 		  ROCE_CREATE_QP_REQ_RAMROD_DATA_FMR_AND_RESERVED_EN,
614 		  qp->fmr_and_reserved_lkey);
615 
616 	SET_FIELD(p_ramrod->flags,
617 		  ROCE_CREATE_QP_REQ_RAMROD_DATA_SIGNALED_COMP,
618 		  qp->signal_all);
619 
620 	/* TBD:
621 	 * future use only
622 	 * #define ROCE_CREATE_QP_REQ_RAMROD_DATA_PRI_MASK
623 	 * #define ROCE_CREATE_QP_REQ_RAMROD_DATA_PRI_SHIFT
624 	 */
625 	SET_FIELD(p_ramrod->flags,
626 		  ROCE_CREATE_QP_REQ_RAMROD_DATA_ERR_RETRY_CNT,
627 		  qp->retry_cnt);
628 
629 	SET_FIELD(p_ramrod->flags,
630 		  ROCE_CREATE_QP_REQ_RAMROD_DATA_RNR_NAK_CNT,
631 		  qp->rnr_retry_cnt);
632 
633 	SET_FIELD(p_ramrod->flags,
634 		  ROCE_CREATE_QP_REQ_RAMROD_DATA_XRC_FLAG,
635 		  ecore_rdma_is_xrc_qp(qp));
636 
637 	p_ramrod->max_ord = qp->max_rd_atomic_req;
638 	p_ramrod->traffic_class = qp->traffic_class_tos;
639 	p_ramrod->hop_limit = qp->hop_limit_ttl;
640 	p_ramrod->orq_num_pages = qp->orq_num_pages;
641 	p_ramrod->p_key = OSAL_CPU_TO_LE16(qp->pkey);
642 	p_ramrod->flow_label = OSAL_CPU_TO_LE32(qp->flow_label);
643 	p_ramrod->dst_qp_id = OSAL_CPU_TO_LE32(qp->dest_qp);
644 	p_ramrod->ack_timeout_val = OSAL_CPU_TO_LE32(qp->ack_timeout);
645 	p_ramrod->mtu = OSAL_CPU_TO_LE16(qp->mtu);
646 	p_ramrod->initial_psn = OSAL_CPU_TO_LE32(qp->sq_psn);
647 	p_ramrod->pd = OSAL_CPU_TO_LE16(qp->pd);
648 	p_ramrod->sq_num_pages = OSAL_CPU_TO_LE16(qp->sq_num_pages);
649 	DMA_REGPAIR_LE(p_ramrod->sq_pbl_addr, qp->sq_pbl_ptr);
650 	DMA_REGPAIR_LE(p_ramrod->orq_pbl_addr, qp->orq_phys_addr);
651 	ecore_rdma_copy_gids(qp, p_ramrod->src_gid, p_ramrod->dst_gid);
652 	p_ramrod->qp_handle_for_async.hi =
653 			OSAL_CPU_TO_LE32(qp->qp_handle_async.hi);
654 	p_ramrod->qp_handle_for_async.lo =
655 			OSAL_CPU_TO_LE32(qp->qp_handle_async.lo);
656 	p_ramrod->qp_handle_for_cqe.hi = OSAL_CPU_TO_LE32(qp->qp_handle.hi);
657 	p_ramrod->qp_handle_for_cqe.lo = OSAL_CPU_TO_LE32(qp->qp_handle.lo);
658 	p_ramrod->cq_cid = OSAL_CPU_TO_LE32((p_hwfn->hw_info.opaque_fid << 16) |
659 				       qp->sq_cq_id);
660 
661 #ifdef CONFIG_DCQCN
662 	/* when dcqcn is enabled physical queues are determined accoridng to qp id */
663 	if (p_hwfn->p_rdma_info->roce.dcqcn_enabled)
664 		regular_latency_queue =
665 			ecore_get_cm_pq_idx_rl(p_hwfn,
666 					       (qp->icid >> 1) %
667 							ROCE_DCQCN_RP_MAX_QPS);
668 	else
669 #endif
670 		regular_latency_queue = ecore_get_cm_pq_idx(p_hwfn, PQ_FLAGS_OFLD);
671 	low_latency_queue = ecore_get_cm_pq_idx(p_hwfn, PQ_FLAGS_LLT);
672 
673 	p_ramrod->regular_latency_phy_queue = OSAL_CPU_TO_LE16(regular_latency_queue);
674 	p_ramrod->low_latency_phy_queue = OSAL_CPU_TO_LE16(low_latency_queue);
675 	p_ramrod->dpi = OSAL_CPU_TO_LE16(qp->dpi);
676 
677 	ecore_rdma_set_fw_mac(p_ramrod->remote_mac_addr, qp->remote_mac_addr);
678 	ecore_rdma_set_fw_mac(p_ramrod->local_mac_addr, qp->local_mac_addr);
679 
680 	p_ramrod->udp_src_port = qp->udp_src_port;
681 	p_ramrod->vlan_id = OSAL_CPU_TO_LE16(qp->vlan_id);
682 	p_ramrod->stats_counter_id = RESC_START(p_hwfn, ECORE_RDMA_STATS_QUEUE) +
683 				     qp->stats_queue;
684 
685 	rc = ecore_spq_post(p_hwfn, p_ent, OSAL_NULL);
686 
687 	DP_VERBOSE(p_hwfn, ECORE_MSG_RDMA, "rc = %d\n", rc);
688 
689 	if (rc != ECORE_SUCCESS)
690 		goto err;
691 
692 	qp->req_offloaded = true;
693 	qp->cq_prod.req = 0;
694 
695 	cid_start = ecore_cxt_get_proto_cid_start(p_hwfn,
696 						  p_hwfn->p_rdma_info->proto);
697 	ecore_roce_set_cid(p_hwfn, qp->icid + 1 - cid_start);
698 
699 	return rc;
700 
701 err:
702 	DP_NOTICE(p_hwfn, false, "Create requested - failed, rc = %d\n", rc);
703 	OSAL_DMA_FREE_COHERENT(p_hwfn->p_dev,
704 			       qp->orq,
705 			       qp->orq_phys_addr,
706 			       qp->orq_num_pages *
707 			       RDMA_RING_PAGE_SIZE);
708 	return rc;
709 }
710 
711 static enum _ecore_status_t ecore_roce_sp_modify_responder(
712 	struct ecore_hwfn	*p_hwfn,
713 	struct ecore_rdma_qp	*qp,
714 	bool			move_to_err,
715 	u32			modify_flags)
716 {
717 	struct roce_modify_qp_resp_ramrod_data	*p_ramrod;
718 	struct ecore_sp_init_data		init_data;
719 	struct ecore_spq_entry			*p_ent;
720 	enum _ecore_status_t			rc;
721 
722 	if (!qp->has_resp)
723 		return ECORE_SUCCESS;
724 
725 	DP_VERBOSE(p_hwfn, ECORE_MSG_RDMA, "icid = %08x\n", qp->icid);
726 
727 	if (move_to_err && !qp->resp_offloaded)
728 		return ECORE_SUCCESS;
729 
730 	/* Get SPQ entry */
731 	OSAL_MEMSET(&init_data, 0, sizeof(init_data));
732 	init_data.cid = qp->icid;
733 	init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
734 	init_data.comp_mode = ECORE_SPQ_MODE_EBLOCK;
735 
736 	rc = ecore_sp_init_request(p_hwfn, &p_ent,
737 				   ROCE_EVENT_MODIFY_QP,
738 				   PROTOCOLID_ROCE, &init_data);
739 	if (rc != ECORE_SUCCESS)
740 	{
741 		DP_NOTICE(p_hwfn, false, "rc = %d\n", rc);
742 		return rc;
743 	}
744 
745 	p_ramrod = &p_ent->ramrod.roce_modify_qp_resp;
746 
747 	p_ramrod->flags = 0;
748 
749 	SET_FIELD(p_ramrod->flags,
750 		  ROCE_MODIFY_QP_RESP_RAMROD_DATA_MOVE_TO_ERR_FLG,
751 		  move_to_err);
752 
753 	SET_FIELD(p_ramrod->flags,
754 		  ROCE_MODIFY_QP_RESP_RAMROD_DATA_RDMA_RD_EN,
755 		  qp->incoming_rdma_read_en);
756 
757 	SET_FIELD(p_ramrod->flags,
758 		  ROCE_MODIFY_QP_RESP_RAMROD_DATA_RDMA_WR_EN,
759 		  qp->incoming_rdma_write_en);
760 
761 	SET_FIELD(p_ramrod->flags,
762 		  ROCE_MODIFY_QP_RESP_RAMROD_DATA_ATOMIC_EN,
763 		  qp->incoming_atomic_en);
764 
765 	SET_FIELD(p_ramrod->flags,
766 		  ROCE_CREATE_QP_RESP_RAMROD_DATA_E2E_FLOW_CONTROL_EN,
767 		  qp->e2e_flow_control_en);
768 
769 	SET_FIELD(p_ramrod->flags,
770 		  ROCE_MODIFY_QP_RESP_RAMROD_DATA_RDMA_OPS_EN_FLG,
771 		  GET_FIELD(modify_flags,
772 			    ECORE_RDMA_MODIFY_QP_VALID_RDMA_OPS_EN));
773 
774 	SET_FIELD(p_ramrod->flags,
775 		  ROCE_MODIFY_QP_RESP_RAMROD_DATA_P_KEY_FLG,
776 		  GET_FIELD(modify_flags, ECORE_ROCE_MODIFY_QP_VALID_PKEY));
777 
778 	SET_FIELD(p_ramrod->flags,
779 		  ROCE_MODIFY_QP_RESP_RAMROD_DATA_ADDRESS_VECTOR_FLG,
780 		  GET_FIELD(modify_flags,
781 			    ECORE_ROCE_MODIFY_QP_VALID_ADDRESS_VECTOR));
782 
783 	SET_FIELD(p_ramrod->flags,
784 		  ROCE_MODIFY_QP_RESP_RAMROD_DATA_MAX_IRD_FLG,
785 		  GET_FIELD(modify_flags,
786 			    ECORE_RDMA_MODIFY_QP_VALID_MAX_RD_ATOMIC_RESP));
787 
788 	/* TBD: future use only
789 	 * #define ROCE_MODIFY_QP_RESP_RAMROD_DATA_PRI_FLG_MASK
790 	 * #define ROCE_MODIFY_QP_RESP_RAMROD_DATA_PRI_FLG_SHIFT
791 	 */
792 
793 	SET_FIELD(p_ramrod->flags,
794 		  ROCE_MODIFY_QP_RESP_RAMROD_DATA_MIN_RNR_NAK_TIMER_FLG,
795 		  GET_FIELD(modify_flags,
796 			    ECORE_ROCE_MODIFY_QP_VALID_MIN_RNR_NAK_TIMER));
797 
798 	p_ramrod->fields = 0;
799 	SET_FIELD(p_ramrod->fields,
800 		  ROCE_MODIFY_QP_RESP_RAMROD_DATA_MIN_RNR_NAK_TIMER,
801 		  qp->min_rnr_nak_timer);
802 
803 	p_ramrod->max_ird = qp->max_rd_atomic_resp;
804 	p_ramrod->traffic_class = qp->traffic_class_tos;
805 	p_ramrod->hop_limit = qp->hop_limit_ttl;
806 	p_ramrod->p_key = OSAL_CPU_TO_LE16(qp->pkey);
807 	p_ramrod->flow_label = OSAL_CPU_TO_LE32(qp->flow_label);
808 	p_ramrod->mtu = OSAL_CPU_TO_LE16(qp->mtu);
809 	ecore_rdma_copy_gids(qp, p_ramrod->src_gid, p_ramrod->dst_gid);
810 	rc = ecore_spq_post(p_hwfn, p_ent, OSAL_NULL);
811 
812 	DP_VERBOSE(p_hwfn, ECORE_MSG_RDMA, "Modify responder, rc = %d\n", rc);
813 	return rc;
814 }
815 
816 static enum _ecore_status_t ecore_roce_sp_modify_requester(
817 	struct ecore_hwfn	*p_hwfn,
818 	struct ecore_rdma_qp	*qp,
819 	bool			move_to_sqd,
820 	bool			move_to_err,
821 	u32			modify_flags)
822 {
823 	struct roce_modify_qp_req_ramrod_data	*p_ramrod;
824 	struct ecore_sp_init_data		init_data;
825 	struct ecore_spq_entry			*p_ent;
826 	enum _ecore_status_t			rc;
827 
828 	if (!qp->has_req)
829 		return ECORE_SUCCESS;
830 
831 	DP_VERBOSE(p_hwfn, ECORE_MSG_RDMA, "icid = %08x\n", qp->icid);
832 
833 	if (move_to_err && !(qp->req_offloaded))
834 		return ECORE_SUCCESS;
835 
836 	/* Get SPQ entry */
837 	OSAL_MEMSET(&init_data, 0, sizeof(init_data));
838 	init_data.cid = qp->icid + 1;
839 	init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
840 	init_data.comp_mode = ECORE_SPQ_MODE_EBLOCK;
841 
842 	rc = ecore_sp_init_request(p_hwfn, &p_ent,
843 				   ROCE_EVENT_MODIFY_QP,
844 				   PROTOCOLID_ROCE, &init_data);
845 	if (rc != ECORE_SUCCESS) {
846 		DP_NOTICE(p_hwfn, false, "rc = %d\n", rc);
847 		return rc;
848 	}
849 
850 	p_ramrod = &p_ent->ramrod.roce_modify_qp_req;
851 
852 	p_ramrod->flags = 0;
853 
854 	SET_FIELD(p_ramrod->flags,
855 		  ROCE_MODIFY_QP_REQ_RAMROD_DATA_MOVE_TO_ERR_FLG,
856 		  move_to_err);
857 
858 	SET_FIELD(p_ramrod->flags,
859 		  ROCE_MODIFY_QP_REQ_RAMROD_DATA_MOVE_TO_SQD_FLG,
860 		  move_to_sqd);
861 
862 	SET_FIELD(p_ramrod->flags,
863 		  ROCE_MODIFY_QP_REQ_RAMROD_DATA_EN_SQD_ASYNC_NOTIFY,
864 		  qp->sqd_async);
865 
866 	SET_FIELD(p_ramrod->flags,
867 		  ROCE_MODIFY_QP_REQ_RAMROD_DATA_P_KEY_FLG,
868 		  GET_FIELD(modify_flags, ECORE_ROCE_MODIFY_QP_VALID_PKEY));
869 
870 	SET_FIELD(p_ramrod->flags,
871 		  ROCE_MODIFY_QP_REQ_RAMROD_DATA_ADDRESS_VECTOR_FLG,
872 		  GET_FIELD(modify_flags,
873 			    ECORE_ROCE_MODIFY_QP_VALID_ADDRESS_VECTOR));
874 
875 	SET_FIELD(p_ramrod->flags,
876 		  ROCE_MODIFY_QP_REQ_RAMROD_DATA_MAX_ORD_FLG,
877 		  GET_FIELD(modify_flags,
878 			    ECORE_RDMA_MODIFY_QP_VALID_MAX_RD_ATOMIC_REQ));
879 
880 	SET_FIELD(p_ramrod->flags,
881 		  ROCE_MODIFY_QP_REQ_RAMROD_DATA_RNR_NAK_CNT_FLG,
882 		  GET_FIELD(modify_flags,
883 			    ECORE_ROCE_MODIFY_QP_VALID_RNR_RETRY_CNT));
884 
885 	SET_FIELD(p_ramrod->flags,
886 		  ROCE_MODIFY_QP_REQ_RAMROD_DATA_ERR_RETRY_CNT_FLG,
887 		  GET_FIELD(modify_flags,
888 			    ECORE_ROCE_MODIFY_QP_VALID_RETRY_CNT));
889 
890 	SET_FIELD(p_ramrod->flags,
891 		  ROCE_MODIFY_QP_REQ_RAMROD_DATA_ACK_TIMEOUT_FLG,
892 		  GET_FIELD(modify_flags,
893 			    ECORE_ROCE_MODIFY_QP_VALID_ACK_TIMEOUT));
894 
895 	/* TBD: future use only
896 	 * #define ROCE_MODIFY_QP_REQ_RAMROD_DATA_PRI_FLG_MASK
897 	 * #define ROCE_MODIFY_QP_REQ_RAMROD_DATA_PRI_FLG_SHIFT
898 	 */
899 
900 	p_ramrod->fields = 0;
901 	SET_FIELD(p_ramrod->fields,
902 		  ROCE_MODIFY_QP_REQ_RAMROD_DATA_ERR_RETRY_CNT,
903 		  qp->retry_cnt);
904 
905 	SET_FIELD(p_ramrod->fields,
906 		  ROCE_MODIFY_QP_REQ_RAMROD_DATA_RNR_NAK_CNT,
907 		  qp->rnr_retry_cnt);
908 
909 	p_ramrod->max_ord = qp->max_rd_atomic_req;
910 	p_ramrod->traffic_class = qp->traffic_class_tos;
911 	p_ramrod->hop_limit = qp->hop_limit_ttl;
912 	p_ramrod->p_key = OSAL_CPU_TO_LE16(qp->pkey);
913 	p_ramrod->flow_label = OSAL_CPU_TO_LE32(qp->flow_label);
914 	p_ramrod->ack_timeout_val = OSAL_CPU_TO_LE32(qp->ack_timeout);
915 	p_ramrod->mtu = OSAL_CPU_TO_LE16(qp->mtu);
916 	ecore_rdma_copy_gids(qp, p_ramrod->src_gid, p_ramrod->dst_gid);
917 	rc = ecore_spq_post(p_hwfn, p_ent, OSAL_NULL);
918 
919 	DP_VERBOSE(p_hwfn, ECORE_MSG_RDMA, "Modify requester, rc = %d\n", rc);
920 	return rc;
921 }
922 
923 static enum _ecore_status_t ecore_roce_sp_destroy_qp_responder(
924 	struct ecore_hwfn    *p_hwfn,
925 	struct ecore_rdma_qp *qp,
926 	u32                  *num_invalidated_mw,
927 	u32                  *cq_prod)
928 {
929 	struct roce_destroy_qp_resp_output_params	*p_ramrod_res;
930 	struct roce_destroy_qp_resp_ramrod_data *p_ramrod;
931 	struct ecore_sp_init_data		init_data;
932 	struct ecore_spq_entry			*p_ent;
933 	dma_addr_t				ramrod_res_phys;
934 	enum _ecore_status_t			rc;
935 
936 	if (!qp->has_resp) {
937 		*num_invalidated_mw = 0;
938 		*cq_prod = 0;
939 		return ECORE_SUCCESS;
940 	}
941 
942 	DP_VERBOSE(p_hwfn, ECORE_MSG_RDMA, "icid = %08x\n", qp->icid);
943 
944 	*num_invalidated_mw = 0;
945 
946 	if (!qp->resp_offloaded) {
947 		*cq_prod = qp->cq_prod.resp;
948 		return ECORE_SUCCESS;
949 	}
950 
951 	/* Get SPQ entry */
952 	OSAL_MEMSET(&init_data, 0, sizeof(init_data));
953 	init_data.cid = qp->icid;
954 	init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
955 	init_data.comp_mode = ECORE_SPQ_MODE_EBLOCK;
956 
957 	rc = ecore_sp_init_request(p_hwfn, &p_ent,
958 				   ROCE_RAMROD_DESTROY_QP,
959 				   PROTOCOLID_ROCE, &init_data);
960 	if (rc != ECORE_SUCCESS)
961 		return rc;
962 
963 	p_ramrod = &p_ent->ramrod.roce_destroy_qp_resp;
964 
965 	p_ramrod_res = (struct roce_destroy_qp_resp_output_params *)OSAL_DMA_ALLOC_COHERENT(p_hwfn->p_dev,
966 		&ramrod_res_phys, sizeof(*p_ramrod_res));
967 
968 	if (!p_ramrod_res)
969 	{
970 		rc = ECORE_NOMEM;
971 		DP_NOTICE(p_hwfn, false,
972 			  "ecore destroy responder failed: cannot allocate memory (ramrod). rc = %d\n",
973 			  rc);
974 		return rc;
975 	}
976 
977 	DMA_REGPAIR_LE(p_ramrod->output_params_addr, ramrod_res_phys);
978 
979 	rc = ecore_spq_post(p_hwfn, p_ent, OSAL_NULL);
980 	if (rc != ECORE_SUCCESS)
981 		goto err;
982 
983 	*num_invalidated_mw
984 		= OSAL_LE32_TO_CPU(p_ramrod_res->num_invalidated_mw);
985 	*cq_prod = OSAL_LE32_TO_CPU(p_ramrod_res->cq_prod);
986 	qp->cq_prod.resp = *cq_prod;
987 
988 	/* Free IRQ - only if ramrod succeeded, in case FW is still using it */
989 	OSAL_DMA_FREE_COHERENT(p_hwfn->p_dev,
990 			       qp->irq,
991 			       qp->irq_phys_addr,
992 			       qp->irq_num_pages *
993 			       RDMA_RING_PAGE_SIZE);
994 
995 	qp->resp_offloaded = false;
996 
997 	DP_VERBOSE(p_hwfn, ECORE_MSG_RDMA, "Destroy responder, rc = %d\n", rc);
998 
999 	/* "fall through" */
1000 
1001 err:
1002 	OSAL_DMA_FREE_COHERENT(p_hwfn->p_dev, p_ramrod_res, ramrod_res_phys,
1003 		sizeof(*p_ramrod_res));
1004 
1005 	return rc;
1006 }
1007 
1008 static enum _ecore_status_t ecore_roce_sp_destroy_qp_requester(
1009 	struct ecore_hwfn    *p_hwfn,
1010 	struct ecore_rdma_qp *qp,
1011 	u32                  *num_bound_mw,
1012 	u32                  *cq_prod)
1013 {
1014 	struct roce_destroy_qp_req_output_params	*p_ramrod_res;
1015 	struct roce_destroy_qp_req_ramrod_data	*p_ramrod;
1016 	struct ecore_sp_init_data		init_data;
1017 	struct ecore_spq_entry			*p_ent;
1018 	dma_addr_t				ramrod_res_phys;
1019 	enum _ecore_status_t			rc;
1020 
1021 	if (!qp->has_req) {
1022 		*num_bound_mw = 0;
1023 		*cq_prod = 0;
1024 		return ECORE_SUCCESS;
1025 	}
1026 
1027 	DP_VERBOSE(p_hwfn, ECORE_MSG_RDMA, "icid = %08x\n", qp->icid);
1028 
1029 	if (!qp->req_offloaded) {
1030 		*cq_prod = qp->cq_prod.req;
1031 		return ECORE_SUCCESS;
1032 	}
1033 
1034 	p_ramrod_res = (struct roce_destroy_qp_req_output_params *)
1035 			OSAL_DMA_ALLOC_COHERENT(p_hwfn->p_dev, &ramrod_res_phys,
1036 				sizeof(*p_ramrod_res));
1037 	if (!p_ramrod_res)
1038 	{
1039 		DP_NOTICE(p_hwfn, false,
1040 			  "ecore destroy requester failed: cannot allocate memory (ramrod)\n");
1041 		return ECORE_NOMEM;
1042 	}
1043 
1044 	/* Get SPQ entry */
1045 	OSAL_MEMSET(&init_data, 0, sizeof(init_data));
1046 	init_data.cid = qp->icid + 1;
1047 	init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
1048 	init_data.comp_mode = ECORE_SPQ_MODE_EBLOCK;
1049 
1050 	rc = ecore_sp_init_request(p_hwfn, &p_ent, ROCE_RAMROD_DESTROY_QP,
1051 				   PROTOCOLID_ROCE, &init_data);
1052 	if (rc != ECORE_SUCCESS)
1053 		goto err;
1054 
1055 	p_ramrod = &p_ent->ramrod.roce_destroy_qp_req;
1056 	DMA_REGPAIR_LE(p_ramrod->output_params_addr, ramrod_res_phys);
1057 
1058 	rc = ecore_spq_post(p_hwfn, p_ent, OSAL_NULL);
1059 	if (rc != ECORE_SUCCESS)
1060 		goto err;
1061 
1062 	*num_bound_mw = OSAL_LE32_TO_CPU(p_ramrod_res->num_bound_mw);
1063 	*cq_prod = OSAL_LE32_TO_CPU(p_ramrod_res->cq_prod);
1064 	qp->cq_prod.req = *cq_prod;
1065 
1066 	/* Free ORQ - only if ramrod succeeded, in case FW is still using it */
1067 	OSAL_DMA_FREE_COHERENT(p_hwfn->p_dev,
1068 			       qp->orq,
1069 			       qp->orq_phys_addr,
1070 			       qp->orq_num_pages *
1071 			       RDMA_RING_PAGE_SIZE);
1072 
1073 	qp->req_offloaded = false;
1074 
1075 	DP_VERBOSE(p_hwfn, ECORE_MSG_RDMA, "Destroy requester, rc = %d\n", rc);
1076 
1077 	/* "fall through" */
1078 
1079 err:
1080 	OSAL_DMA_FREE_COHERENT(p_hwfn->p_dev, p_ramrod_res, ramrod_res_phys,
1081 			       sizeof(*p_ramrod_res));
1082 
1083 	return rc;
1084 }
1085 
1086 static OSAL_INLINE enum _ecore_status_t ecore_roce_sp_query_responder(
1087 	struct ecore_hwfn *p_hwfn,
1088 	struct ecore_rdma_qp *qp,
1089 	struct ecore_rdma_query_qp_out_params *out_params)
1090 {
1091 	struct roce_query_qp_resp_output_params	*p_resp_ramrod_res;
1092 	struct roce_query_qp_resp_ramrod_data	*p_resp_ramrod;
1093 	struct ecore_sp_init_data		init_data;
1094 	dma_addr_t				resp_ramrod_res_phys;
1095 	struct ecore_spq_entry			*p_ent;
1096 	enum _ecore_status_t			rc = ECORE_SUCCESS;
1097 	bool					error_flag;
1098 
1099 	if (!qp->resp_offloaded) {
1100 		/* Don't send query qp for the responder */
1101 		out_params->rq_psn = qp->rq_psn;
1102 
1103 		return  ECORE_SUCCESS;
1104 	}
1105 
1106 	/* Send a query responder ramrod to the FW */
1107 	p_resp_ramrod_res = (struct roce_query_qp_resp_output_params *)
1108 		OSAL_DMA_ALLOC_COHERENT(p_hwfn->p_dev, &resp_ramrod_res_phys,
1109 					sizeof(*p_resp_ramrod_res));
1110 	if (!p_resp_ramrod_res)
1111 	{
1112 		DP_NOTICE(p_hwfn, false,
1113 			  "ecore query qp failed: cannot allocate memory (ramrod)\n");
1114 		return ECORE_NOMEM;
1115 	}
1116 
1117 	/* Get SPQ entry */
1118 	OSAL_MEMSET(&init_data, 0, sizeof(init_data));
1119 	init_data.cid = qp->icid;
1120 	init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
1121 	init_data.comp_mode = ECORE_SPQ_MODE_EBLOCK;
1122 	rc = ecore_sp_init_request(p_hwfn, &p_ent, ROCE_RAMROD_QUERY_QP,
1123 				   PROTOCOLID_ROCE, &init_data);
1124 	if (rc != ECORE_SUCCESS)
1125 		goto err;
1126 
1127 	p_resp_ramrod = &p_ent->ramrod.roce_query_qp_resp;
1128 	DMA_REGPAIR_LE(p_resp_ramrod->output_params_addr, resp_ramrod_res_phys);
1129 
1130 	rc = ecore_spq_post(p_hwfn, p_ent, OSAL_NULL);
1131 	if (rc != ECORE_SUCCESS)
1132 		goto err;
1133 
1134 	out_params->rq_psn = OSAL_LE32_TO_CPU(p_resp_ramrod_res->psn);
1135 	error_flag = GET_FIELD(
1136 			OSAL_LE32_TO_CPU(p_resp_ramrod_res->err_flag),
1137 			ROCE_QUERY_QP_RESP_OUTPUT_PARAMS_ERROR_FLG);
1138 	if (error_flag)
1139 		qp->cur_state = ECORE_ROCE_QP_STATE_ERR;
1140 
1141 err:
1142 	OSAL_DMA_FREE_COHERENT(p_hwfn->p_dev, p_resp_ramrod_res,
1143 			       resp_ramrod_res_phys,
1144 			       sizeof(*p_resp_ramrod_res));
1145 
1146 	return rc;
1147 }
1148 
1149 static OSAL_INLINE enum _ecore_status_t ecore_roce_sp_query_requester(
1150 	struct ecore_hwfn *p_hwfn,
1151 	struct ecore_rdma_qp *qp,
1152 	struct ecore_rdma_query_qp_out_params *out_params,
1153 	bool *sq_draining)
1154 {
1155 	struct roce_query_qp_req_output_params	*p_req_ramrod_res;
1156 	struct roce_query_qp_req_ramrod_data	*p_req_ramrod;
1157 	struct ecore_sp_init_data		init_data;
1158 	dma_addr_t				req_ramrod_res_phys;
1159 	struct ecore_spq_entry			*p_ent;
1160 	enum _ecore_status_t			rc = ECORE_SUCCESS;
1161 	bool					error_flag;
1162 
1163 	if (!qp->req_offloaded)
1164 	{
1165 		/* Don't send query qp for the requester */
1166 		out_params->sq_psn = qp->sq_psn;
1167 		out_params->draining = false;
1168 
1169 		*sq_draining = 0;
1170 
1171 		return ECORE_SUCCESS;
1172 	}
1173 
1174 	/* Send a query requester ramrod to the FW */
1175 	p_req_ramrod_res = (struct roce_query_qp_req_output_params *)
1176 		OSAL_DMA_ALLOC_COHERENT(p_hwfn->p_dev, &req_ramrod_res_phys,
1177 					sizeof(*p_req_ramrod_res));
1178 	if (!p_req_ramrod_res)
1179 	{
1180 		DP_NOTICE(p_hwfn, false,
1181 			  "ecore query qp failed: cannot allocate memory (ramrod). rc = %d\n",
1182 			  rc);
1183 		return ECORE_NOMEM;
1184 	}
1185 
1186 	/* Get SPQ entry */
1187 	init_data.cid = qp->icid + 1;
1188 	rc = ecore_sp_init_request(p_hwfn, &p_ent, ROCE_RAMROD_QUERY_QP,
1189 				   PROTOCOLID_ROCE, &init_data);
1190 	if (rc != ECORE_SUCCESS)
1191 		goto err;
1192 
1193 	p_req_ramrod = &p_ent->ramrod.roce_query_qp_req;
1194 	DMA_REGPAIR_LE(p_req_ramrod->output_params_addr, req_ramrod_res_phys);
1195 
1196 	rc = ecore_spq_post(p_hwfn, p_ent, OSAL_NULL);
1197 	if (rc != ECORE_SUCCESS)
1198 		goto err;
1199 
1200 	out_params->sq_psn = OSAL_LE32_TO_CPU(p_req_ramrod_res->psn);
1201 	error_flag = GET_FIELD(OSAL_LE32_TO_CPU(p_req_ramrod_res->flags),
1202 			       ROCE_QUERY_QP_REQ_OUTPUT_PARAMS_ERR_FLG);
1203 	if (error_flag)
1204 		qp->cur_state = ECORE_ROCE_QP_STATE_ERR;
1205 	else
1206 		*sq_draining = GET_FIELD(
1207 			OSAL_LE32_TO_CPU(p_req_ramrod_res->flags),
1208 			ROCE_QUERY_QP_REQ_OUTPUT_PARAMS_SQ_DRAINING_FLG);
1209 
1210 err:
1211 	OSAL_DMA_FREE_COHERENT(p_hwfn->p_dev, p_req_ramrod_res,
1212 			       req_ramrod_res_phys, sizeof(*p_req_ramrod_res));
1213 
1214 	return rc;
1215 }
1216 
1217 enum _ecore_status_t ecore_roce_query_qp(
1218 	struct ecore_hwfn *p_hwfn,
1219 	struct ecore_rdma_qp *qp,
1220 	struct ecore_rdma_query_qp_out_params *out_params)
1221 {
1222 	enum _ecore_status_t	rc;
1223 
1224 	rc = ecore_roce_sp_query_responder(p_hwfn, qp, out_params);
1225 	if (rc)
1226 		return rc;
1227 
1228 	rc = ecore_roce_sp_query_requester(p_hwfn, qp, out_params,
1229 					   &out_params->draining);
1230 	if (rc)
1231 		return rc;
1232 
1233 	out_params->state = qp->cur_state;
1234 
1235 	return ECORE_SUCCESS;
1236 }
1237 
1238 enum _ecore_status_t ecore_roce_destroy_qp(struct ecore_hwfn *p_hwfn,
1239 					   struct ecore_rdma_qp *qp,
1240 					   struct ecore_rdma_destroy_qp_out_params *out_params)
1241 {
1242 	u32 cq_prod_resp = qp->cq_prod.resp, cq_prod_req = qp->cq_prod.req;
1243 	u32 num_invalidated_mw = 0;
1244 	u32 num_bound_mw = 0;
1245 	enum _ecore_status_t rc;
1246 
1247 	/* Destroys the specified QP
1248 	 * Note: if qp state != RESET/ERR/INIT then upper driver first need to
1249 	 * call modify qp to move the qp to ERR state
1250 	 */
1251 	if ((qp->cur_state != ECORE_ROCE_QP_STATE_RESET) &&
1252 	    (qp->cur_state != ECORE_ROCE_QP_STATE_ERR) &&
1253 	    (qp->cur_state != ECORE_ROCE_QP_STATE_INIT))
1254 	{
1255 		DP_NOTICE(p_hwfn,
1256 			  true,
1257 		   "QP must be in error, reset or init state before destroying it\n");
1258 		return ECORE_INVAL;
1259 	}
1260 
1261 	if (qp->cur_state != ECORE_ROCE_QP_STATE_RESET) {
1262 		rc = ecore_roce_sp_destroy_qp_responder(p_hwfn,
1263 							qp,
1264 							&num_invalidated_mw,
1265 							&cq_prod_resp);
1266 		if (rc != ECORE_SUCCESS)
1267 			return rc;
1268 
1269 		/* Send destroy requester ramrod */
1270 		rc = ecore_roce_sp_destroy_qp_requester(p_hwfn, qp,
1271 							&num_bound_mw,
1272 							&cq_prod_req);
1273 		if (rc != ECORE_SUCCESS)
1274 			return rc;
1275 
1276 		/* resp_ofload was true, num_invalidated_mw is valid */
1277 		if (num_invalidated_mw != num_bound_mw) {
1278 			DP_NOTICE(p_hwfn,
1279 				  true,
1280 				  "number of invalidate memory windows is different from bounded ones\n");
1281 			return ECORE_INVAL;
1282 		}
1283 	}
1284 
1285 	ecore_roce_free_qp(p_hwfn, qp->qp_idx);
1286 
1287 	out_params->rq_cq_prod = cq_prod_resp;
1288 	out_params->sq_cq_prod = cq_prod_req;
1289 
1290 	return ECORE_SUCCESS;
1291 }
1292 
1293 enum _ecore_status_t ecore_roce_destroy_ud_qp(void *rdma_cxt, u16 cid)
1294 {
1295 	struct ecore_hwfn *p_hwfn = (struct ecore_hwfn *)rdma_cxt;
1296 	struct ecore_sp_init_data init_data;
1297 	struct ecore_spq_entry *p_ent;
1298 	enum _ecore_status_t rc;
1299 
1300 	if (!rdma_cxt) {
1301 		DP_ERR(p_hwfn->p_dev,
1302 		       "destroy ud qp failed due to NULL rdma_cxt\n");
1303 		return ECORE_INVAL;
1304 	}
1305 
1306 	/* Get SPQ entry */
1307 	OSAL_MEMSET(&init_data, 0, sizeof(init_data));
1308 	init_data.cid = cid;
1309 	init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
1310 	init_data.comp_mode = ECORE_SPQ_MODE_EBLOCK;
1311 	rc = ecore_sp_init_request(p_hwfn, &p_ent, ROCE_RAMROD_DESTROY_UD_QP,
1312 				   PROTOCOLID_ROCE, &init_data);
1313 	if (rc != ECORE_SUCCESS)
1314 		goto err;
1315 
1316 	rc = ecore_spq_post(p_hwfn, p_ent, OSAL_NULL);
1317 	if (rc != ECORE_SUCCESS)
1318 		goto err;
1319 
1320 	ecore_roce_free_qp(p_hwfn, ECORE_ROCE_ICID_TO_QP(cid));
1321 
1322 	DP_VERBOSE(p_hwfn, ECORE_MSG_RDMA, "freed a ud qp with cid=%d\n", cid);
1323 
1324 	return ECORE_SUCCESS;
1325 
1326 err:
1327 	DP_ERR(p_hwfn, "failed destroying a ud qp with cid=%d\n", cid);
1328 
1329 	return rc;
1330 }
1331 
1332 enum _ecore_status_t ecore_roce_create_ud_qp(void		*rdma_cxt,
1333 			struct ecore_rdma_create_qp_out_params	*out_params)
1334 {
1335 	struct ecore_hwfn *p_hwfn = (struct ecore_hwfn *)rdma_cxt;
1336 	struct ecore_sp_init_data init_data;
1337 	struct ecore_spq_entry *p_ent;
1338 	enum _ecore_status_t rc;
1339 	u16 icid, qp_idx;
1340 
1341 	if (!rdma_cxt || !out_params) {
1342 		DP_ERR(p_hwfn->p_dev,
1343 		       "ecore roce create ud qp failed due to NULL entry (rdma_cxt=%p, out=%p)\n",
1344 		       rdma_cxt, out_params);
1345 		return ECORE_INVAL;
1346 	}
1347 
1348 	rc = ecore_roce_alloc_qp_idx(p_hwfn, &qp_idx);
1349 	if (rc != ECORE_SUCCESS)
1350 		goto err;
1351 
1352 	icid = ECORE_ROCE_QP_TO_ICID(qp_idx);
1353 
1354 	/* Get SPQ entry */
1355 	OSAL_MEMSET(&init_data, 0, sizeof(init_data));
1356 	init_data.cid = icid;
1357 	init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
1358 	init_data.comp_mode = ECORE_SPQ_MODE_EBLOCK;
1359 	rc = ecore_sp_init_request(p_hwfn, &p_ent, ROCE_RAMROD_CREATE_UD_QP,
1360 				   PROTOCOLID_ROCE, &init_data);
1361 	if (rc != ECORE_SUCCESS)
1362 		goto err1;
1363 
1364 	rc = ecore_spq_post(p_hwfn, p_ent, OSAL_NULL);
1365 	if (rc != ECORE_SUCCESS)
1366 		goto err1;
1367 
1368 	out_params->icid = icid;
1369 	out_params->qp_id = ((0xFF << 16) | icid);
1370 
1371 	DP_VERBOSE(p_hwfn, ECORE_MSG_RDMA, "created a ud qp with icid=%d\n",
1372 		   icid);
1373 
1374 	return ECORE_SUCCESS;
1375 
1376 err1:
1377 	ecore_roce_free_qp(p_hwfn, qp_idx);
1378 
1379 err:
1380 	DP_VERBOSE(p_hwfn, ECORE_MSG_RDMA, "failed creating a ud qp\n");
1381 
1382 	return rc;
1383 }
1384 
1385 enum _ecore_status_t
1386 ecore_roce_modify_qp(struct ecore_hwfn *p_hwfn,
1387 		     struct ecore_rdma_qp *qp,
1388 		     enum ecore_roce_qp_state prev_state,
1389 		     struct ecore_rdma_modify_qp_in_params *params)
1390 {
1391 	u32 num_invalidated_mw = 0, num_bound_mw = 0;
1392 	enum _ecore_status_t rc = ECORE_SUCCESS;
1393 
1394 	/* Perform additional operations according to the current state and the
1395 	 * next state
1396 	 */
1397 	if (((prev_state == ECORE_ROCE_QP_STATE_INIT) ||
1398 	     (prev_state == ECORE_ROCE_QP_STATE_RESET)) &&
1399 	    (qp->cur_state == ECORE_ROCE_QP_STATE_RTR))
1400 	{
1401 		/* Init->RTR or Reset->RTR */
1402 
1403 		/* Verify the cid bits that of this qp index are clear */
1404 		rc = ecore_roce_wait_free_cids(p_hwfn, qp->qp_idx);
1405 		if (rc)
1406 			return rc;
1407 
1408 		rc = ecore_roce_sp_create_responder(p_hwfn, qp);
1409 		return rc;
1410 
1411 	} else if ((prev_state == ECORE_ROCE_QP_STATE_RTR) &&
1412 		   (qp->cur_state == ECORE_ROCE_QP_STATE_RTS))
1413 	{
1414 		/* RTR-> RTS */
1415 		rc = ecore_roce_sp_create_requester(p_hwfn, qp);
1416 		if (rc != ECORE_SUCCESS)
1417 			return rc;
1418 
1419 		/* Send modify responder ramrod */
1420 		rc = ecore_roce_sp_modify_responder(p_hwfn, qp, false,
1421 						    params->modify_flags);
1422 		return rc;
1423 
1424 	} else if ((prev_state == ECORE_ROCE_QP_STATE_RTS) &&
1425 		   (qp->cur_state == ECORE_ROCE_QP_STATE_RTS))
1426 	{
1427 		/* RTS->RTS */
1428 		rc = ecore_roce_sp_modify_responder(p_hwfn, qp, false,
1429 						    params->modify_flags);
1430 		if (rc != ECORE_SUCCESS)
1431 			return rc;
1432 
1433 		rc = ecore_roce_sp_modify_requester(p_hwfn, qp, false, false,
1434 						    params->modify_flags);
1435 		return rc;
1436 
1437 	} else if ((prev_state == ECORE_ROCE_QP_STATE_RTS) &&
1438 		   (qp->cur_state == ECORE_ROCE_QP_STATE_SQD))
1439 	{
1440 		/* RTS->SQD */
1441 		rc = ecore_roce_sp_modify_requester(p_hwfn, qp, true, false,
1442 						    params->modify_flags);
1443 		return rc;
1444 
1445 	} else if ((prev_state == ECORE_ROCE_QP_STATE_SQD) &&
1446 		   (qp->cur_state == ECORE_ROCE_QP_STATE_SQD))
1447 	{
1448 		/* SQD->SQD */
1449 		rc = ecore_roce_sp_modify_responder(p_hwfn, qp, false,
1450 						    params->modify_flags);
1451 		if (rc != ECORE_SUCCESS)
1452 			return rc;
1453 
1454 		rc = ecore_roce_sp_modify_requester(p_hwfn,  qp, false, false,
1455 						    params->modify_flags);
1456 		return rc;
1457 
1458 	} else if ((prev_state == ECORE_ROCE_QP_STATE_SQD) &&
1459 		 (qp->cur_state == ECORE_ROCE_QP_STATE_RTS))
1460 	{
1461 		/* SQD->RTS */
1462 		rc = ecore_roce_sp_modify_responder(p_hwfn,  qp, false,
1463 						    params->modify_flags);
1464 		if (rc != ECORE_SUCCESS)
1465 			return rc;
1466 
1467 		rc = ecore_roce_sp_modify_requester(p_hwfn,  qp, false, false,
1468 						    params->modify_flags);
1469 
1470 		return rc;
1471 	} else if (qp->cur_state == ECORE_ROCE_QP_STATE_ERR) {
1472 		/* ->ERR */
1473 		rc = ecore_roce_sp_modify_responder(p_hwfn, qp, true,
1474 						    params->modify_flags);
1475 		if (rc != ECORE_SUCCESS)
1476 			return rc;
1477 
1478 		rc = ecore_roce_sp_modify_requester(p_hwfn, qp, false, true,
1479 						    params->modify_flags);
1480 		return rc;
1481 
1482 	} else if (qp->cur_state == ECORE_ROCE_QP_STATE_RESET) {
1483 		/* Any state -> RESET */
1484 
1485 		/* Send destroy responder ramrod */
1486 		rc = ecore_roce_sp_destroy_qp_responder(p_hwfn, qp,
1487 							&num_invalidated_mw,
1488 							&qp->cq_prod.resp);
1489 
1490 		if (rc != ECORE_SUCCESS)
1491 			return rc;
1492 
1493 		rc = ecore_roce_sp_destroy_qp_requester(p_hwfn, qp,
1494 							&num_bound_mw,
1495 							&qp->cq_prod.req);
1496 
1497 		if (rc != ECORE_SUCCESS)
1498 			return rc;
1499 
1500 		if (num_invalidated_mw != num_bound_mw) {
1501 			DP_NOTICE(p_hwfn,
1502 				  true,
1503 				  "number of invalidate memory windows is different from bounded ones\n");
1504 			return ECORE_INVAL;
1505 		}
1506 	} else {
1507 		DP_VERBOSE(p_hwfn, ECORE_MSG_RDMA, "ECORE_SUCCESS\n");
1508 	}
1509 
1510 	return rc;
1511 }
1512 
1513 static void ecore_roce_free_icid(struct ecore_hwfn *p_hwfn, u16 icid)
1514 {
1515 	struct ecore_rdma_info *p_rdma_info = p_hwfn->p_rdma_info;
1516 	u32 start_cid, cid;
1517 
1518 	start_cid = ecore_cxt_get_proto_cid_start(p_hwfn, p_rdma_info->proto);
1519 	cid = icid - start_cid;
1520 
1521 	OSAL_SPIN_LOCK(&p_rdma_info->lock);
1522 
1523 	ecore_bmap_release_id(p_hwfn, &p_rdma_info->cid_map, cid);
1524 
1525 	OSAL_SPIN_UNLOCK(&p_hwfn->p_rdma_info->lock);
1526 }
1527 
1528 static void ecore_rdma_dpm_conf(struct ecore_hwfn *p_hwfn,
1529 				struct ecore_ptt *p_ptt)
1530 {
1531 	u32 val;
1532 
1533 	val = (p_hwfn->dcbx_no_edpm || p_hwfn->db_bar_no_edpm) ? 0 : 1;
1534 
1535 	ecore_wr(p_hwfn, p_ptt, DORQ_REG_PF_DPM_ENABLE, val);
1536 	DP_VERBOSE(p_hwfn, (ECORE_MSG_DCB | ECORE_MSG_RDMA),
1537 		   "Changing DPM_EN state to %d (DCBX=%d, DB_BAR=%d)\n",
1538 		   val, p_hwfn->dcbx_no_edpm, p_hwfn->db_bar_no_edpm);
1539 }
1540 
1541 /* This function disables EDPM due to DCBx considerations */
1542 void ecore_roce_dpm_dcbx(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt)
1543 {
1544 	u8 val;
1545 
1546 	/* if any QPs are already active, we want to disable DPM, since their
1547 	 * context information contains information from before the latest DCBx
1548 	 * update. Otherwise enable it.
1549 	 */
1550 	val = (ecore_rdma_allocated_qps(p_hwfn)) ? true : false;
1551 	p_hwfn->dcbx_no_edpm = (u8)val;
1552 
1553 	ecore_rdma_dpm_conf(p_hwfn, p_ptt);
1554 }
1555 
1556 /* This function disables EDPM due to doorbell bar considerations */
1557 void ecore_rdma_dpm_bar(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt)
1558 {
1559 	p_hwfn->db_bar_no_edpm = true;
1560 
1561 	ecore_rdma_dpm_conf(p_hwfn, p_ptt);
1562 }
1563 
1564 enum _ecore_status_t ecore_roce_setup(struct ecore_hwfn *p_hwfn)
1565 {
1566 	return ecore_spq_register_async_cb(p_hwfn, PROTOCOLID_ROCE,
1567 					   ecore_roce_async_event);
1568 }
1569 
1570 #ifdef _NTDDK_
1571 #pragma warning(pop)
1572 #endif
1573