xref: /freebsd/sys/dev/qlnx/qlnxe/ecore_roce.c (revision 5ca8e32633c4ffbbcd6762e5888b6a4ba0708c6c)
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 #include "bcm_osal.h"
33 #include "ecore.h"
34 #include "ecore_status.h"
35 #include "ecore_sp_commands.h"
36 #include "ecore_cxt.h"
37 #include "ecore_rdma.h"
38 #include "reg_addr.h"
39 #include "ecore_rt_defs.h"
40 #include "ecore_init_ops.h"
41 #include "ecore_hw.h"
42 #include "ecore_mcp.h"
43 #include "ecore_init_fw_funcs.h"
44 #include "ecore_int.h"
45 #include "pcics_reg_driver.h"
46 #include "ecore_iro.h"
47 #include "ecore_gtt_reg_addr.h"
48 #ifndef LINUX_REMOVE
49 #include "ecore_tcp_ip.h"
50 #endif
51 
52 #ifdef _NTDDK_
53 #pragma warning(push)
54 #pragma warning(disable : 28167)
55 #pragma warning(disable : 28123)
56 #pragma warning(disable : 28182)
57 #pragma warning(disable : 6011)
58 #endif
59 
60 static void ecore_roce_free_icid(struct ecore_hwfn *p_hwfn, u16 icid);
61 
62 static enum _ecore_status_t
63 ecore_roce_async_event(struct ecore_hwfn *p_hwfn,
64 		       u8 fw_event_code,
65 		       u16 OSAL_UNUSED echo,
66 		       union event_ring_data *data,
67 		       u8 OSAL_UNUSED fw_return_code)
68 {
69 	if (fw_event_code == ROCE_ASYNC_EVENT_DESTROY_QP_DONE) {
70 		u16 icid = (u16)OSAL_LE32_TO_CPU(
71 				data->rdma_data.rdma_destroy_qp_data.cid);
72 
73 		/* icid release in this async event can occur only if the icid
74 		 * was offloaded to the FW. In case it wasn't offloaded this is
75 		 * handled in ecore_roce_sp_destroy_qp.
76 		 */
77 		ecore_roce_free_icid(p_hwfn, icid);
78 	} else
79 		p_hwfn->p_rdma_info->events.affiliated_event(
80 			p_hwfn->p_rdma_info->events.context,
81 			fw_event_code,
82 			(void *)&data->rdma_data.async_handle);
83 
84 	return ECORE_SUCCESS;
85 }
86 
87 #ifdef CONFIG_DCQCN
88 static enum _ecore_status_t ecore_roce_start_rl(
89 	struct ecore_hwfn *p_hwfn,
90 	struct ecore_roce_dcqcn_params *dcqcn_params)
91 {
92 	struct ecore_rl_update_params params;
93 
94 	DP_VERBOSE(p_hwfn, ECORE_MSG_RDMA, "\n");
95 	OSAL_MEMSET(&params, 0, sizeof(params));
96 
97 	params.rl_id_first = (u8)RESC_START(p_hwfn, ECORE_RL);
98 	params.rl_id_last = RESC_START(p_hwfn, ECORE_RL) +
99 		ecore_init_qm_get_num_pf_rls(p_hwfn);
100 	params.dcqcn_update_param_flg = 1;
101 	params.rl_init_flg = 1;
102 	params.rl_start_flg = 1;
103 	params.rl_stop_flg = 0;
104 	params.rl_dc_qcn_flg = 1;
105 
106 	params.rl_bc_rate = dcqcn_params->rl_bc_rate;
107 	params.rl_max_rate = dcqcn_params->rl_max_rate;
108 	params.rl_r_ai = dcqcn_params->rl_r_ai;
109 	params.rl_r_hai = dcqcn_params->rl_r_hai;
110 	params.dcqcn_gd = dcqcn_params->dcqcn_gd;
111 	params.dcqcn_k_us = dcqcn_params->dcqcn_k_us;
112 	params.dcqcn_timeuot_us = dcqcn_params->dcqcn_timeout_us;
113 
114 	return ecore_sp_rl_update(p_hwfn, &params);
115 }
116 
117 enum _ecore_status_t ecore_roce_stop_rl(struct ecore_hwfn *p_hwfn)
118 {
119 	struct ecore_rl_update_params params;
120 
121 	if (!p_hwfn->p_rdma_info->roce.dcqcn_reaction_point)
122 		return ECORE_SUCCESS;
123 
124 	OSAL_MEMSET(&params, 0, sizeof(params));
125 	DP_VERBOSE(p_hwfn, ECORE_MSG_RDMA, "\n");
126 
127 	params.rl_id_first = (u8)RESC_START(p_hwfn, ECORE_RL);
128 	params.rl_id_last = RESC_START(p_hwfn, ECORE_RL) +
129 		ecore_init_qm_get_num_pf_rls(p_hwfn);
130 	params.rl_stop_flg = 1;
131 
132 	return ecore_sp_rl_update(p_hwfn, &params);
133 }
134 
135 #define NIG_REG_ROCE_DUPLICATE_TO_HOST_BTH 2
136 #define NIG_REG_ROCE_DUPLICATE_TO_HOST_ECN 1
137 
138 enum _ecore_status_t ecore_roce_dcqcn_cfg(
139 	struct ecore_hwfn			*p_hwfn,
140 	struct ecore_roce_dcqcn_params		*params,
141 	struct roce_init_func_ramrod_data	*p_ramrod,
142 	struct ecore_ptt			*p_ptt)
143 {
144 	u32 val = 0;
145 	enum _ecore_status_t rc = ECORE_SUCCESS;
146 
147 	if (!p_hwfn->pf_params.rdma_pf_params.enable_dcqcn ||
148 	    p_hwfn->p_rdma_info->proto == PROTOCOLID_IWARP)
149 		return rc;
150 
151 	p_hwfn->p_rdma_info->roce.dcqcn_enabled = 0;
152 	if (params->notification_point) {
153 		DP_VERBOSE(p_hwfn, ECORE_MSG_RDMA,
154 			   "Configuring dcqcn notification point: timeout = 0x%x\n",
155 			   params->cnp_send_timeout);
156 		p_ramrod->roce.cnp_send_timeout = params->cnp_send_timeout;
157 		p_hwfn->p_rdma_info->roce.dcqcn_enabled = 1;
158 		/* Configure NIG to duplicate to host and storm when:
159 		 *  - (ECN == 2'b11 (notification point)
160 		 */
161 		val |= 1 << NIG_REG_ROCE_DUPLICATE_TO_HOST_ECN;
162 	}
163 
164 	if (params->reaction_point) {
165 		DP_VERBOSE(p_hwfn, ECORE_MSG_RDMA,
166 			   "Configuring dcqcn reaction point\n");
167 		p_hwfn->p_rdma_info->roce.dcqcn_enabled = 1;
168 		p_hwfn->p_rdma_info->roce.dcqcn_reaction_point = 1;
169 		/* Configure NIG to duplicate to host and storm when:
170 		 * - BTH opcode equals bth_hdr_flow_ctrl_opcode_2
171 		 * (reaction point)
172 		 */
173 		val |= 1 << NIG_REG_ROCE_DUPLICATE_TO_HOST_BTH;
174 
175 		rc = ecore_roce_start_rl(p_hwfn, params);
176 	}
177 
178 	if (rc)
179 		return rc;
180 
181 	p_ramrod->roce.cnp_dscp = params->cnp_dscp;
182 	p_ramrod->roce.cnp_vlan_priority = params->cnp_vlan_priority;
183 
184 	ecore_wr(p_hwfn,
185 		 p_ptt,
186 		 NIG_REG_ROCE_DUPLICATE_TO_HOST,
187 		 val);
188 
189 	return rc;
190 }
191 #endif
192 
193 enum _ecore_status_t ecore_roce_stop(struct ecore_hwfn *p_hwfn)
194 {
195 	struct ecore_bmap *cid_map = &p_hwfn->p_rdma_info->cid_map;
196 	int wait_count = 0;
197 
198 	/* when destroying a_RoCE QP the control is returned to the
199 	 * user after the synchronous part. The asynchronous part may
200 	 * take a little longer. We delay for a short while if an
201 	 * asyn destroy QP is still expected. Beyond the added delay
202 	 * we clear the bitmap anyway.
203 	 */
204 	while (OSAL_BITMAP_WEIGHT(cid_map->bitmap, cid_map->max_count)) {
205 		OSAL_MSLEEP(100);
206 		if (wait_count++ > 20) {
207 			DP_NOTICE(p_hwfn, false,
208 				  "cid bitmap wait timed out\n");
209 			break;
210 		}
211 	}
212 
213 	ecore_spq_unregister_async_cb(p_hwfn, PROTOCOLID_ROCE);
214 
215 	return ECORE_SUCCESS;
216 }
217 
218 static void ecore_rdma_copy_gids(struct ecore_rdma_qp *qp, __le32 *src_gid,
219 				 __le32 *dst_gid) {
220 	u32 i;
221 
222 	if (qp->roce_mode == ROCE_V2_IPV4) {
223 		/* The IPv4 addresses shall be aligned to the highest word.
224 		 * The lower words must be zero.
225 		 */
226 		OSAL_MEMSET(src_gid, 0, sizeof(union ecore_gid));
227 		OSAL_MEMSET(dst_gid, 0, sizeof(union ecore_gid));
228 		src_gid[3] = OSAL_CPU_TO_LE32(qp->sgid.ipv4_addr);
229 		dst_gid[3] = OSAL_CPU_TO_LE32(qp->dgid.ipv4_addr);
230 	} else {
231 		/* RoCE, and RoCE v2 - IPv6: GIDs and IPv6 addresses coincide in
232 		 * location and size
233 		 */
234 		for (i = 0; i < OSAL_ARRAY_SIZE(qp->sgid.dwords); i++) {
235 			src_gid[i] = OSAL_CPU_TO_LE32(qp->sgid.dwords[i]);
236 			dst_gid[i] = OSAL_CPU_TO_LE32(qp->dgid.dwords[i]);
237 		}
238 	}
239 }
240 
241 static enum roce_flavor ecore_roce_mode_to_flavor(enum roce_mode roce_mode)
242 {
243 	enum roce_flavor flavor;
244 
245 	switch (roce_mode) {
246 	case ROCE_V1:
247 		flavor = PLAIN_ROCE;
248 		break;
249 	case ROCE_V2_IPV4:
250 		flavor = RROCE_IPV4;
251 		break;
252 	case ROCE_V2_IPV6:
253 		flavor = (enum roce_flavor)ROCE_V2_IPV6;
254 		break;
255 	default:
256 		flavor = (enum roce_flavor)MAX_ROCE_MODE;
257 		break;
258 	}
259 	return flavor;
260 }
261 
262 #if 0
263 static void ecore_roce_free_cid_pair(struct ecore_hwfn *p_hwfn, u16 cid)
264 {
265 	OSAL_SPIN_LOCK(&p_hwfn->p_rdma_info->lock);
266 	ecore_bmap_release_id(p_hwfn, &p_hwfn->p_rdma_info->qp_map, cid);
267 	ecore_bmap_release_id(p_hwfn, &p_hwfn->p_rdma_info->qp_map, cid + 1);
268 	OSAL_SPIN_UNLOCK(&p_hwfn->p_rdma_info->lock);
269 }
270 #endif
271 
272 static void ecore_roce_free_qp(struct ecore_hwfn *p_hwfn, u16 qp_idx)
273 {
274 	OSAL_SPIN_LOCK(&p_hwfn->p_rdma_info->lock);
275 	ecore_bmap_release_id(p_hwfn, &p_hwfn->p_rdma_info->qp_map, qp_idx);
276 	OSAL_SPIN_UNLOCK(&p_hwfn->p_rdma_info->lock);
277 }
278 
279 #define ECORE_ROCE_CREATE_QP_ATTEMPTS		(20)
280 #define ECORE_ROCE_CREATE_QP_MSLEEP		(10)
281 
282 static enum _ecore_status_t ecore_roce_wait_free_cids(struct ecore_hwfn *p_hwfn, u32 qp_idx)
283 {
284 	struct ecore_rdma_info *p_rdma_info = p_hwfn->p_rdma_info;
285 	bool cids_free = false;
286 	u32 icid, iter = 0;
287 	int req, resp;
288 
289 	icid = ECORE_ROCE_QP_TO_ICID(qp_idx);
290 
291 	/* Make sure that the cids that were used by the QP index are free.
292 	 * This is necessary because the destroy flow returns to the user before
293 	 * the device finishes clean up.
294 	 * It can happen in the following flows:
295 	 * (1) ib_destroy_qp followed by an ib_create_qp
296 	 * (2) ib_modify_qp to RESET followed (not immediately), by an
297 	 *     ib_modify_qp to RTR
298 	 */
299 
300 	do {
301 		OSAL_SPIN_LOCK(&p_rdma_info->lock);
302 		resp = ecore_bmap_test_id(p_hwfn, &p_rdma_info->cid_map, icid);
303 		req = ecore_bmap_test_id(p_hwfn, &p_rdma_info->cid_map, icid + 1);
304 		if (!resp && !req)
305 			cids_free = true;
306 
307 		OSAL_SPIN_UNLOCK(&p_rdma_info->lock);
308 
309 		if (!cids_free) {
310 			OSAL_MSLEEP(ECORE_ROCE_CREATE_QP_MSLEEP);
311 			iter++;
312 		}
313 	} while (!cids_free && iter < ECORE_ROCE_CREATE_QP_ATTEMPTS);
314 
315 	if (!cids_free) {
316 		DP_ERR(p_hwfn->p_dev,
317 		       "responder and/or requester CIDs are still in use. resp=%d, req=%d\n",
318 		       resp, req);
319 		return ECORE_AGAIN;
320 	}
321 
322 	return ECORE_SUCCESS;
323 }
324 
325 enum _ecore_status_t ecore_roce_alloc_qp_idx(
326 		struct ecore_hwfn *p_hwfn, u16 *qp_idx16)
327 {
328 	struct ecore_rdma_info *p_rdma_info = p_hwfn->p_rdma_info;
329 	u32 start_cid, icid, cid, qp_idx;
330 	enum _ecore_status_t rc;
331 
332 	OSAL_SPIN_LOCK(&p_rdma_info->lock);
333 	rc = ecore_rdma_bmap_alloc_id(p_hwfn, &p_rdma_info->qp_map, &qp_idx);
334 	if (rc != ECORE_SUCCESS) {
335 		DP_NOTICE(p_hwfn, false, "failed to allocate qp\n");
336 		OSAL_SPIN_UNLOCK(&p_rdma_info->lock);
337 		return rc;
338 	}
339 
340 	OSAL_SPIN_UNLOCK(&p_rdma_info->lock);
341 
342 	/* Verify the cid bits that of this qp index are clear */
343 	rc = ecore_roce_wait_free_cids(p_hwfn, qp_idx);
344 	if (rc) {
345 		rc = ECORE_UNKNOWN_ERROR;
346 		goto err;
347 	}
348 
349 	/* Allocate a DMA-able context for an ILT page, if not existing, for the
350 	 * associated iids.
351 	 * Note: If second allocation fails there's no need to free the first as
352 	 *       it will be used in the future.
353 	 */
354 	icid = ECORE_ROCE_QP_TO_ICID(qp_idx);
355 	start_cid = ecore_cxt_get_proto_cid_start(p_hwfn, p_rdma_info->proto);
356 	cid = start_cid + icid;
357 
358 	rc = ecore_cxt_dynamic_ilt_alloc(p_hwfn, ECORE_ELEM_CXT, cid);
359 	if (rc != ECORE_SUCCESS)
360 		goto err;
361 
362 	rc = ecore_cxt_dynamic_ilt_alloc(p_hwfn, ECORE_ELEM_CXT, cid + 1);
363 	if (rc != ECORE_SUCCESS)
364 		goto err;
365 
366 	/* qp index is under 2^16 */
367 	*qp_idx16 = (u16)qp_idx;
368 
369 	return ECORE_SUCCESS;
370 
371 err:
372 	ecore_roce_free_qp(p_hwfn, (u16)qp_idx);
373 
374 	DP_VERBOSE(p_hwfn, ECORE_MSG_RDMA, "rc = %d\n", rc);
375 
376 	return rc;
377 }
378 
379 static void ecore_roce_set_cid(struct ecore_hwfn *p_hwfn,
380 			     u32 cid)
381 {
382 	OSAL_SPIN_LOCK(&p_hwfn->p_rdma_info->lock);
383 	ecore_bmap_set_id(p_hwfn,
384 			  &p_hwfn->p_rdma_info->cid_map,
385 			  cid);
386 	OSAL_SPIN_UNLOCK(&p_hwfn->p_rdma_info->lock);
387 }
388 
389 static enum _ecore_status_t ecore_roce_sp_create_responder(
390 	struct ecore_hwfn    *p_hwfn,
391 	struct ecore_rdma_qp *qp)
392 {
393 	struct roce_create_qp_resp_ramrod_data *p_ramrod;
394 	u16 regular_latency_queue, low_latency_queue;
395 	struct ecore_sp_init_data init_data;
396 	enum roce_flavor roce_flavor;
397 	struct ecore_spq_entry *p_ent;
398 	enum _ecore_status_t rc;
399 	u32 cid_start;
400 	u16 fw_srq_id;
401 	bool is_xrc;
402 
403 	if (!qp->has_resp)
404 		return ECORE_SUCCESS;
405 
406 	DP_VERBOSE(p_hwfn, ECORE_MSG_RDMA, "qp_idx = %08x\n", qp->qp_idx);
407 
408 	/* Allocate DMA-able memory for IRQ */
409 	qp->irq_num_pages = 1;
410 	qp->irq = OSAL_DMA_ALLOC_COHERENT(p_hwfn->p_dev,
411 					  &qp->irq_phys_addr,
412 					  RDMA_RING_PAGE_SIZE);
413 	if (!qp->irq) {
414 		rc = ECORE_NOMEM;
415 		DP_NOTICE(p_hwfn, false,
416 			  "ecore create responder failed: cannot allocate memory (irq). rc = %d\n",
417 			  rc);
418 		return rc;
419 	}
420 
421 	/* Get SPQ entry */
422 	OSAL_MEMSET(&init_data, 0, sizeof(init_data));
423 	init_data.cid = qp->icid;
424 	init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
425 	init_data.comp_mode = ECORE_SPQ_MODE_EBLOCK;
426 
427 	rc = ecore_sp_init_request(p_hwfn, &p_ent, ROCE_RAMROD_CREATE_QP,
428 				   PROTOCOLID_ROCE, &init_data);
429 	if (rc != ECORE_SUCCESS)
430 		goto err;
431 
432 	p_ramrod = &p_ent->ramrod.roce_create_qp_resp;
433 
434 	p_ramrod->flags = 0;
435 
436 	roce_flavor = ecore_roce_mode_to_flavor(qp->roce_mode);
437 	SET_FIELD(p_ramrod->flags,
438 		  ROCE_CREATE_QP_RESP_RAMROD_DATA_ROCE_FLAVOR,
439 		  roce_flavor);
440 
441 	SET_FIELD(p_ramrod->flags,
442 		  ROCE_CREATE_QP_RESP_RAMROD_DATA_RDMA_RD_EN,
443 		  qp->incoming_rdma_read_en);
444 
445 	SET_FIELD(p_ramrod->flags,
446 		  ROCE_CREATE_QP_RESP_RAMROD_DATA_RDMA_WR_EN,
447 		  qp->incoming_rdma_write_en);
448 
449 	SET_FIELD(p_ramrod->flags,
450 		  ROCE_CREATE_QP_RESP_RAMROD_DATA_ATOMIC_EN,
451 		  qp->incoming_atomic_en);
452 
453 	SET_FIELD(p_ramrod->flags,
454 		  ROCE_CREATE_QP_RESP_RAMROD_DATA_E2E_FLOW_CONTROL_EN,
455 		  qp->e2e_flow_control_en);
456 
457 	SET_FIELD(p_ramrod->flags,
458 		  ROCE_CREATE_QP_RESP_RAMROD_DATA_SRQ_FLG,
459 		  qp->use_srq);
460 
461 	SET_FIELD(p_ramrod->flags,
462 		  ROCE_CREATE_QP_RESP_RAMROD_DATA_RESERVED_KEY_EN,
463 		  qp->fmr_and_reserved_lkey);
464 
465 	SET_FIELD(p_ramrod->flags,
466 		  ROCE_CREATE_QP_RESP_RAMROD_DATA_XRC_FLAG,
467 		  ecore_rdma_is_xrc_qp(qp));
468 
469 	/* TBD: future use only
470 	 * #define ROCE_CREATE_QP_RESP_RAMROD_DATA_PRI_MASK
471 	 * #define ROCE_CREATE_QP_RESP_RAMROD_DATA_PRI_SHIFT
472 	 */
473 	SET_FIELD(p_ramrod->flags,
474 		  ROCE_CREATE_QP_RESP_RAMROD_DATA_MIN_RNR_NAK_TIMER,
475 		  qp->min_rnr_nak_timer);
476 
477 	p_ramrod->max_ird =
478 		qp->max_rd_atomic_resp;
479 	p_ramrod->traffic_class = qp->traffic_class_tos;
480 	p_ramrod->hop_limit = qp->hop_limit_ttl;
481 	p_ramrod->irq_num_pages = qp->irq_num_pages;
482 	p_ramrod->p_key = OSAL_CPU_TO_LE16(qp->pkey);
483 	p_ramrod->flow_label = OSAL_CPU_TO_LE32(qp->flow_label);
484 	p_ramrod->dst_qp_id = OSAL_CPU_TO_LE32(qp->dest_qp);
485 	p_ramrod->mtu = OSAL_CPU_TO_LE16(qp->mtu);
486 	p_ramrod->initial_psn = OSAL_CPU_TO_LE32(qp->rq_psn);
487 	p_ramrod->pd = OSAL_CPU_TO_LE16(qp->pd);
488 	p_ramrod->rq_num_pages = OSAL_CPU_TO_LE16(qp->rq_num_pages);
489 	DMA_REGPAIR_LE(p_ramrod->rq_pbl_addr, qp->rq_pbl_ptr);
490 	DMA_REGPAIR_LE(p_ramrod->irq_pbl_addr, qp->irq_phys_addr);
491 	ecore_rdma_copy_gids(qp, p_ramrod->src_gid, p_ramrod->dst_gid);
492 	p_ramrod->qp_handle_for_async.hi =
493 			OSAL_CPU_TO_LE32(qp->qp_handle_async.hi);
494 	p_ramrod->qp_handle_for_async.lo =
495 			OSAL_CPU_TO_LE32(qp->qp_handle_async.lo);
496 	p_ramrod->qp_handle_for_cqe.hi = OSAL_CPU_TO_LE32(qp->qp_handle.hi);
497 	p_ramrod->qp_handle_for_cqe.lo = OSAL_CPU_TO_LE32(qp->qp_handle.lo);
498 	p_ramrod->cq_cid = OSAL_CPU_TO_LE32((p_hwfn->hw_info.opaque_fid << 16) | qp->rq_cq_id);
499 	p_ramrod->xrc_domain = OSAL_CPU_TO_LE16(qp->xrcd_id);
500 
501 #ifdef CONFIG_DCQCN
502 	/* when dcqcn is enabled physical queues are determined accoridng to qp id */
503 	if (p_hwfn->p_rdma_info->roce.dcqcn_enabled)
504 		regular_latency_queue =
505 			ecore_get_cm_pq_idx_rl(p_hwfn,
506 					       (qp->icid >> 1) %
507 							ROCE_DCQCN_RP_MAX_QPS);
508 	else
509 #endif
510 		regular_latency_queue = ecore_get_cm_pq_idx(p_hwfn, PQ_FLAGS_OFLD);
511 	low_latency_queue = ecore_get_cm_pq_idx(p_hwfn, PQ_FLAGS_LLT);
512 
513 	p_ramrod->regular_latency_phy_queue = OSAL_CPU_TO_LE16(regular_latency_queue);
514 	p_ramrod->low_latency_phy_queue = OSAL_CPU_TO_LE16(low_latency_queue);
515 	p_ramrod->dpi = OSAL_CPU_TO_LE16(qp->dpi);
516 
517 	ecore_rdma_set_fw_mac(p_ramrod->remote_mac_addr, qp->remote_mac_addr);
518 	ecore_rdma_set_fw_mac(p_ramrod->local_mac_addr, qp->local_mac_addr);
519 
520 	p_ramrod->udp_src_port = qp->udp_src_port;
521 	p_ramrod->vlan_id = OSAL_CPU_TO_LE16(qp->vlan_id);
522 	is_xrc = ecore_rdma_is_xrc_qp(qp);
523 	fw_srq_id = ecore_rdma_get_fw_srq_id(p_hwfn, qp->srq_id, is_xrc);
524 	p_ramrod->srq_id.srq_idx = OSAL_CPU_TO_LE16(fw_srq_id);
525 	p_ramrod->srq_id.opaque_fid = OSAL_CPU_TO_LE16(p_hwfn->hw_info.opaque_fid);
526 
527 	p_ramrod->stats_counter_id = RESC_START(p_hwfn, ECORE_RDMA_STATS_QUEUE) +
528 				     qp->stats_queue;
529 
530 	rc = ecore_spq_post(p_hwfn, p_ent, OSAL_NULL);
531 
532 	DP_VERBOSE(p_hwfn, ECORE_MSG_RDMA, "rc = %d regular physical queue = 0x%x, low latency physical queue 0x%x\n",
533 		   rc, regular_latency_queue, low_latency_queue);
534 
535 	if (rc != ECORE_SUCCESS)
536 		goto err;
537 
538 	qp->resp_offloaded = true;
539 	qp->cq_prod.resp = 0;
540 
541 	cid_start = ecore_cxt_get_proto_cid_start(p_hwfn,
542 						  p_hwfn->p_rdma_info->proto);
543 	ecore_roce_set_cid(p_hwfn, qp->icid - cid_start);
544 
545 	return rc;
546 
547 err:
548 	DP_NOTICE(p_hwfn, false, "create responder - failed, rc = %d\n", rc);
549 	OSAL_DMA_FREE_COHERENT(p_hwfn->p_dev,
550 			       qp->irq,
551 			       qp->irq_phys_addr,
552 			       qp->irq_num_pages *
553 			       RDMA_RING_PAGE_SIZE);
554 
555 	return rc;
556 }
557 
558 static enum _ecore_status_t ecore_roce_sp_create_requester(
559 	struct ecore_hwfn *p_hwfn,
560 	struct ecore_rdma_qp *qp)
561 {
562 	struct roce_create_qp_req_ramrod_data *p_ramrod;
563 	u16 regular_latency_queue, low_latency_queue;
564 	struct ecore_sp_init_data init_data;
565 	enum roce_flavor roce_flavor;
566 	struct ecore_spq_entry *p_ent;
567 	enum _ecore_status_t rc;
568 	u32 cid_start;
569 
570 	if (!qp->has_req)
571 		return ECORE_SUCCESS;
572 
573 	DP_VERBOSE(p_hwfn, ECORE_MSG_RDMA, "icid = %08x\n", qp->icid);
574 
575 	/* Allocate DMA-able memory for ORQ */
576 	qp->orq_num_pages = 1;
577 	qp->orq = OSAL_DMA_ALLOC_COHERENT(p_hwfn->p_dev,
578 					  &qp->orq_phys_addr,
579 					  RDMA_RING_PAGE_SIZE);
580 	if (!qp->orq)
581 	{
582 		rc = ECORE_NOMEM;
583 		DP_NOTICE(p_hwfn, false,
584 			  "ecore create requester failed: cannot allocate memory (orq). rc = %d\n",
585 			  rc);
586 		return rc;
587 	}
588 
589 	/* Get SPQ entry */
590 	OSAL_MEMSET(&init_data, 0, sizeof(init_data));
591 	init_data.cid = qp->icid + 1;
592 	init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
593 	init_data.comp_mode = ECORE_SPQ_MODE_EBLOCK;
594 
595 	rc = ecore_sp_init_request(p_hwfn, &p_ent,
596 				   ROCE_RAMROD_CREATE_QP,
597 				   PROTOCOLID_ROCE, &init_data);
598 	if (rc != ECORE_SUCCESS)
599 		goto err;
600 
601 	p_ramrod = &p_ent->ramrod.roce_create_qp_req;
602 
603 	p_ramrod->flags = 0;
604 
605 	roce_flavor = ecore_roce_mode_to_flavor(qp->roce_mode);
606 	SET_FIELD(p_ramrod->flags,
607 		  ROCE_CREATE_QP_REQ_RAMROD_DATA_ROCE_FLAVOR,
608 		  roce_flavor);
609 
610 	SET_FIELD(p_ramrod->flags,
611 		  ROCE_CREATE_QP_REQ_RAMROD_DATA_FMR_AND_RESERVED_EN,
612 		  qp->fmr_and_reserved_lkey);
613 
614 	SET_FIELD(p_ramrod->flags,
615 		  ROCE_CREATE_QP_REQ_RAMROD_DATA_SIGNALED_COMP,
616 		  qp->signal_all);
617 
618 	/* TBD:
619 	 * future use only
620 	 * #define ROCE_CREATE_QP_REQ_RAMROD_DATA_PRI_MASK
621 	 * #define ROCE_CREATE_QP_REQ_RAMROD_DATA_PRI_SHIFT
622 	 */
623 	SET_FIELD(p_ramrod->flags,
624 		  ROCE_CREATE_QP_REQ_RAMROD_DATA_ERR_RETRY_CNT,
625 		  qp->retry_cnt);
626 
627 	SET_FIELD(p_ramrod->flags,
628 		  ROCE_CREATE_QP_REQ_RAMROD_DATA_RNR_NAK_CNT,
629 		  qp->rnr_retry_cnt);
630 
631 	SET_FIELD(p_ramrod->flags,
632 		  ROCE_CREATE_QP_REQ_RAMROD_DATA_XRC_FLAG,
633 		  ecore_rdma_is_xrc_qp(qp));
634 
635 	p_ramrod->max_ord = qp->max_rd_atomic_req;
636 	p_ramrod->traffic_class = qp->traffic_class_tos;
637 	p_ramrod->hop_limit = qp->hop_limit_ttl;
638 	p_ramrod->orq_num_pages = qp->orq_num_pages;
639 	p_ramrod->p_key = OSAL_CPU_TO_LE16(qp->pkey);
640 	p_ramrod->flow_label = OSAL_CPU_TO_LE32(qp->flow_label);
641 	p_ramrod->dst_qp_id = OSAL_CPU_TO_LE32(qp->dest_qp);
642 	p_ramrod->ack_timeout_val = OSAL_CPU_TO_LE32(qp->ack_timeout);
643 	p_ramrod->mtu = OSAL_CPU_TO_LE16(qp->mtu);
644 	p_ramrod->initial_psn = OSAL_CPU_TO_LE32(qp->sq_psn);
645 	p_ramrod->pd = OSAL_CPU_TO_LE16(qp->pd);
646 	p_ramrod->sq_num_pages = OSAL_CPU_TO_LE16(qp->sq_num_pages);
647 	DMA_REGPAIR_LE(p_ramrod->sq_pbl_addr, qp->sq_pbl_ptr);
648 	DMA_REGPAIR_LE(p_ramrod->orq_pbl_addr, qp->orq_phys_addr);
649 	ecore_rdma_copy_gids(qp, p_ramrod->src_gid, p_ramrod->dst_gid);
650 	p_ramrod->qp_handle_for_async.hi =
651 			OSAL_CPU_TO_LE32(qp->qp_handle_async.hi);
652 	p_ramrod->qp_handle_for_async.lo =
653 			OSAL_CPU_TO_LE32(qp->qp_handle_async.lo);
654 	p_ramrod->qp_handle_for_cqe.hi = OSAL_CPU_TO_LE32(qp->qp_handle.hi);
655 	p_ramrod->qp_handle_for_cqe.lo = OSAL_CPU_TO_LE32(qp->qp_handle.lo);
656 	p_ramrod->cq_cid = OSAL_CPU_TO_LE32((p_hwfn->hw_info.opaque_fid << 16) |
657 				       qp->sq_cq_id);
658 
659 #ifdef CONFIG_DCQCN
660 	/* when dcqcn is enabled physical queues are determined accoridng to qp id */
661 	if (p_hwfn->p_rdma_info->roce.dcqcn_enabled)
662 		regular_latency_queue =
663 			ecore_get_cm_pq_idx_rl(p_hwfn,
664 					       (qp->icid >> 1) %
665 							ROCE_DCQCN_RP_MAX_QPS);
666 	else
667 #endif
668 		regular_latency_queue = ecore_get_cm_pq_idx(p_hwfn, PQ_FLAGS_OFLD);
669 	low_latency_queue = ecore_get_cm_pq_idx(p_hwfn, PQ_FLAGS_LLT);
670 
671 	p_ramrod->regular_latency_phy_queue = OSAL_CPU_TO_LE16(regular_latency_queue);
672 	p_ramrod->low_latency_phy_queue = OSAL_CPU_TO_LE16(low_latency_queue);
673 	p_ramrod->dpi = OSAL_CPU_TO_LE16(qp->dpi);
674 
675 	ecore_rdma_set_fw_mac(p_ramrod->remote_mac_addr, qp->remote_mac_addr);
676 	ecore_rdma_set_fw_mac(p_ramrod->local_mac_addr, qp->local_mac_addr);
677 
678 	p_ramrod->udp_src_port = qp->udp_src_port;
679 	p_ramrod->vlan_id = OSAL_CPU_TO_LE16(qp->vlan_id);
680 	p_ramrod->stats_counter_id = RESC_START(p_hwfn, ECORE_RDMA_STATS_QUEUE) +
681 				     qp->stats_queue;
682 
683 	rc = ecore_spq_post(p_hwfn, p_ent, OSAL_NULL);
684 
685 	DP_VERBOSE(p_hwfn, ECORE_MSG_RDMA, "rc = %d\n", rc);
686 
687 	if (rc != ECORE_SUCCESS)
688 		goto err;
689 
690 	qp->req_offloaded = true;
691 	qp->cq_prod.req = 0;
692 
693 	cid_start = ecore_cxt_get_proto_cid_start(p_hwfn,
694 						  p_hwfn->p_rdma_info->proto);
695 	ecore_roce_set_cid(p_hwfn, qp->icid + 1 - cid_start);
696 
697 	return rc;
698 
699 err:
700 	DP_NOTICE(p_hwfn, false, "Create requested - failed, rc = %d\n", rc);
701 	OSAL_DMA_FREE_COHERENT(p_hwfn->p_dev,
702 			       qp->orq,
703 			       qp->orq_phys_addr,
704 			       qp->orq_num_pages *
705 			       RDMA_RING_PAGE_SIZE);
706 	return rc;
707 }
708 
709 static enum _ecore_status_t ecore_roce_sp_modify_responder(
710 	struct ecore_hwfn	*p_hwfn,
711 	struct ecore_rdma_qp	*qp,
712 	bool			move_to_err,
713 	u32			modify_flags)
714 {
715 	struct roce_modify_qp_resp_ramrod_data	*p_ramrod;
716 	struct ecore_sp_init_data		init_data;
717 	struct ecore_spq_entry			*p_ent;
718 	enum _ecore_status_t			rc;
719 
720 	if (!qp->has_resp)
721 		return ECORE_SUCCESS;
722 
723 	DP_VERBOSE(p_hwfn, ECORE_MSG_RDMA, "icid = %08x\n", qp->icid);
724 
725 	if (move_to_err && !qp->resp_offloaded)
726 		return ECORE_SUCCESS;
727 
728 	/* Get SPQ entry */
729 	OSAL_MEMSET(&init_data, 0, sizeof(init_data));
730 	init_data.cid = qp->icid;
731 	init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
732 	init_data.comp_mode = ECORE_SPQ_MODE_EBLOCK;
733 
734 	rc = ecore_sp_init_request(p_hwfn, &p_ent,
735 				   ROCE_EVENT_MODIFY_QP,
736 				   PROTOCOLID_ROCE, &init_data);
737 	if (rc != ECORE_SUCCESS)
738 	{
739 		DP_NOTICE(p_hwfn, false, "rc = %d\n", rc);
740 		return rc;
741 	}
742 
743 	p_ramrod = &p_ent->ramrod.roce_modify_qp_resp;
744 
745 	p_ramrod->flags = 0;
746 
747 	SET_FIELD(p_ramrod->flags,
748 		  ROCE_MODIFY_QP_RESP_RAMROD_DATA_MOVE_TO_ERR_FLG,
749 		  move_to_err);
750 
751 	SET_FIELD(p_ramrod->flags,
752 		  ROCE_MODIFY_QP_RESP_RAMROD_DATA_RDMA_RD_EN,
753 		  qp->incoming_rdma_read_en);
754 
755 	SET_FIELD(p_ramrod->flags,
756 		  ROCE_MODIFY_QP_RESP_RAMROD_DATA_RDMA_WR_EN,
757 		  qp->incoming_rdma_write_en);
758 
759 	SET_FIELD(p_ramrod->flags,
760 		  ROCE_MODIFY_QP_RESP_RAMROD_DATA_ATOMIC_EN,
761 		  qp->incoming_atomic_en);
762 
763 	SET_FIELD(p_ramrod->flags,
764 		  ROCE_CREATE_QP_RESP_RAMROD_DATA_E2E_FLOW_CONTROL_EN,
765 		  qp->e2e_flow_control_en);
766 
767 	SET_FIELD(p_ramrod->flags,
768 		  ROCE_MODIFY_QP_RESP_RAMROD_DATA_RDMA_OPS_EN_FLG,
769 		  GET_FIELD(modify_flags,
770 			    ECORE_RDMA_MODIFY_QP_VALID_RDMA_OPS_EN));
771 
772 	SET_FIELD(p_ramrod->flags,
773 		  ROCE_MODIFY_QP_RESP_RAMROD_DATA_P_KEY_FLG,
774 		  GET_FIELD(modify_flags, ECORE_ROCE_MODIFY_QP_VALID_PKEY));
775 
776 	SET_FIELD(p_ramrod->flags,
777 		  ROCE_MODIFY_QP_RESP_RAMROD_DATA_ADDRESS_VECTOR_FLG,
778 		  GET_FIELD(modify_flags,
779 			    ECORE_ROCE_MODIFY_QP_VALID_ADDRESS_VECTOR));
780 
781 	SET_FIELD(p_ramrod->flags,
782 		  ROCE_MODIFY_QP_RESP_RAMROD_DATA_MAX_IRD_FLG,
783 		  GET_FIELD(modify_flags,
784 			    ECORE_RDMA_MODIFY_QP_VALID_MAX_RD_ATOMIC_RESP));
785 
786 	/* TBD: future use only
787 	 * #define ROCE_MODIFY_QP_RESP_RAMROD_DATA_PRI_FLG_MASK
788 	 * #define ROCE_MODIFY_QP_RESP_RAMROD_DATA_PRI_FLG_SHIFT
789 	 */
790 
791 	SET_FIELD(p_ramrod->flags,
792 		  ROCE_MODIFY_QP_RESP_RAMROD_DATA_MIN_RNR_NAK_TIMER_FLG,
793 		  GET_FIELD(modify_flags,
794 			    ECORE_ROCE_MODIFY_QP_VALID_MIN_RNR_NAK_TIMER));
795 
796 	p_ramrod->fields = 0;
797 	SET_FIELD(p_ramrod->fields,
798 		  ROCE_MODIFY_QP_RESP_RAMROD_DATA_MIN_RNR_NAK_TIMER,
799 		  qp->min_rnr_nak_timer);
800 
801 	p_ramrod->max_ird = qp->max_rd_atomic_resp;
802 	p_ramrod->traffic_class = qp->traffic_class_tos;
803 	p_ramrod->hop_limit = qp->hop_limit_ttl;
804 	p_ramrod->p_key = OSAL_CPU_TO_LE16(qp->pkey);
805 	p_ramrod->flow_label = OSAL_CPU_TO_LE32(qp->flow_label);
806 	p_ramrod->mtu = OSAL_CPU_TO_LE16(qp->mtu);
807 	ecore_rdma_copy_gids(qp, p_ramrod->src_gid, p_ramrod->dst_gid);
808 	rc = ecore_spq_post(p_hwfn, p_ent, OSAL_NULL);
809 
810 	DP_VERBOSE(p_hwfn, ECORE_MSG_RDMA, "Modify responder, rc = %d\n", rc);
811 	return rc;
812 }
813 
814 static enum _ecore_status_t ecore_roce_sp_modify_requester(
815 	struct ecore_hwfn	*p_hwfn,
816 	struct ecore_rdma_qp	*qp,
817 	bool			move_to_sqd,
818 	bool			move_to_err,
819 	u32			modify_flags)
820 {
821 	struct roce_modify_qp_req_ramrod_data	*p_ramrod;
822 	struct ecore_sp_init_data		init_data;
823 	struct ecore_spq_entry			*p_ent;
824 	enum _ecore_status_t			rc;
825 
826 	if (!qp->has_req)
827 		return ECORE_SUCCESS;
828 
829 	DP_VERBOSE(p_hwfn, ECORE_MSG_RDMA, "icid = %08x\n", qp->icid);
830 
831 	if (move_to_err && !(qp->req_offloaded))
832 		return ECORE_SUCCESS;
833 
834 	/* Get SPQ entry */
835 	OSAL_MEMSET(&init_data, 0, sizeof(init_data));
836 	init_data.cid = qp->icid + 1;
837 	init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
838 	init_data.comp_mode = ECORE_SPQ_MODE_EBLOCK;
839 
840 	rc = ecore_sp_init_request(p_hwfn, &p_ent,
841 				   ROCE_EVENT_MODIFY_QP,
842 				   PROTOCOLID_ROCE, &init_data);
843 	if (rc != ECORE_SUCCESS) {
844 		DP_NOTICE(p_hwfn, false, "rc = %d\n", rc);
845 		return rc;
846 	}
847 
848 	p_ramrod = &p_ent->ramrod.roce_modify_qp_req;
849 
850 	p_ramrod->flags = 0;
851 
852 	SET_FIELD(p_ramrod->flags,
853 		  ROCE_MODIFY_QP_REQ_RAMROD_DATA_MOVE_TO_ERR_FLG,
854 		  move_to_err);
855 
856 	SET_FIELD(p_ramrod->flags,
857 		  ROCE_MODIFY_QP_REQ_RAMROD_DATA_MOVE_TO_SQD_FLG,
858 		  move_to_sqd);
859 
860 	SET_FIELD(p_ramrod->flags,
861 		  ROCE_MODIFY_QP_REQ_RAMROD_DATA_EN_SQD_ASYNC_NOTIFY,
862 		  qp->sqd_async);
863 
864 	SET_FIELD(p_ramrod->flags,
865 		  ROCE_MODIFY_QP_REQ_RAMROD_DATA_P_KEY_FLG,
866 		  GET_FIELD(modify_flags, ECORE_ROCE_MODIFY_QP_VALID_PKEY));
867 
868 	SET_FIELD(p_ramrod->flags,
869 		  ROCE_MODIFY_QP_REQ_RAMROD_DATA_ADDRESS_VECTOR_FLG,
870 		  GET_FIELD(modify_flags,
871 			    ECORE_ROCE_MODIFY_QP_VALID_ADDRESS_VECTOR));
872 
873 	SET_FIELD(p_ramrod->flags,
874 		  ROCE_MODIFY_QP_REQ_RAMROD_DATA_MAX_ORD_FLG,
875 		  GET_FIELD(modify_flags,
876 			    ECORE_RDMA_MODIFY_QP_VALID_MAX_RD_ATOMIC_REQ));
877 
878 	SET_FIELD(p_ramrod->flags,
879 		  ROCE_MODIFY_QP_REQ_RAMROD_DATA_RNR_NAK_CNT_FLG,
880 		  GET_FIELD(modify_flags,
881 			    ECORE_ROCE_MODIFY_QP_VALID_RNR_RETRY_CNT));
882 
883 	SET_FIELD(p_ramrod->flags,
884 		  ROCE_MODIFY_QP_REQ_RAMROD_DATA_ERR_RETRY_CNT_FLG,
885 		  GET_FIELD(modify_flags,
886 			    ECORE_ROCE_MODIFY_QP_VALID_RETRY_CNT));
887 
888 	SET_FIELD(p_ramrod->flags,
889 		  ROCE_MODIFY_QP_REQ_RAMROD_DATA_ACK_TIMEOUT_FLG,
890 		  GET_FIELD(modify_flags,
891 			    ECORE_ROCE_MODIFY_QP_VALID_ACK_TIMEOUT));
892 
893 	/* TBD: future use only
894 	 * #define ROCE_MODIFY_QP_REQ_RAMROD_DATA_PRI_FLG_MASK
895 	 * #define ROCE_MODIFY_QP_REQ_RAMROD_DATA_PRI_FLG_SHIFT
896 	 */
897 
898 	p_ramrod->fields = 0;
899 	SET_FIELD(p_ramrod->fields,
900 		  ROCE_MODIFY_QP_REQ_RAMROD_DATA_ERR_RETRY_CNT,
901 		  qp->retry_cnt);
902 
903 	SET_FIELD(p_ramrod->fields,
904 		  ROCE_MODIFY_QP_REQ_RAMROD_DATA_RNR_NAK_CNT,
905 		  qp->rnr_retry_cnt);
906 
907 	p_ramrod->max_ord = qp->max_rd_atomic_req;
908 	p_ramrod->traffic_class = qp->traffic_class_tos;
909 	p_ramrod->hop_limit = qp->hop_limit_ttl;
910 	p_ramrod->p_key = OSAL_CPU_TO_LE16(qp->pkey);
911 	p_ramrod->flow_label = OSAL_CPU_TO_LE32(qp->flow_label);
912 	p_ramrod->ack_timeout_val = OSAL_CPU_TO_LE32(qp->ack_timeout);
913 	p_ramrod->mtu = OSAL_CPU_TO_LE16(qp->mtu);
914 	ecore_rdma_copy_gids(qp, p_ramrod->src_gid, p_ramrod->dst_gid);
915 	rc = ecore_spq_post(p_hwfn, p_ent, OSAL_NULL);
916 
917 	DP_VERBOSE(p_hwfn, ECORE_MSG_RDMA, "Modify requester, rc = %d\n", rc);
918 	return rc;
919 }
920 
921 static enum _ecore_status_t ecore_roce_sp_destroy_qp_responder(
922 	struct ecore_hwfn    *p_hwfn,
923 	struct ecore_rdma_qp *qp,
924 	u32                  *num_invalidated_mw,
925 	u32                  *cq_prod)
926 {
927 	struct roce_destroy_qp_resp_output_params	*p_ramrod_res;
928 	struct roce_destroy_qp_resp_ramrod_data *p_ramrod;
929 	struct ecore_sp_init_data		init_data;
930 	struct ecore_spq_entry			*p_ent;
931 	dma_addr_t				ramrod_res_phys;
932 	enum _ecore_status_t			rc;
933 
934 	if (!qp->has_resp) {
935 		*num_invalidated_mw = 0;
936 		*cq_prod = 0;
937 		return ECORE_SUCCESS;
938 	}
939 
940 	DP_VERBOSE(p_hwfn, ECORE_MSG_RDMA, "icid = %08x\n", qp->icid);
941 
942 	*num_invalidated_mw = 0;
943 
944 	if (!qp->resp_offloaded) {
945 		*cq_prod = qp->cq_prod.resp;
946 		return ECORE_SUCCESS;
947 	}
948 
949 	/* Get SPQ entry */
950 	OSAL_MEMSET(&init_data, 0, sizeof(init_data));
951 	init_data.cid = qp->icid;
952 	init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
953 	init_data.comp_mode = ECORE_SPQ_MODE_EBLOCK;
954 
955 	rc = ecore_sp_init_request(p_hwfn, &p_ent,
956 				   ROCE_RAMROD_DESTROY_QP,
957 				   PROTOCOLID_ROCE, &init_data);
958 	if (rc != ECORE_SUCCESS)
959 		return rc;
960 
961 	p_ramrod = &p_ent->ramrod.roce_destroy_qp_resp;
962 
963 	p_ramrod_res = (struct roce_destroy_qp_resp_output_params *)OSAL_DMA_ALLOC_COHERENT(p_hwfn->p_dev,
964 		&ramrod_res_phys, sizeof(*p_ramrod_res));
965 
966 	if (!p_ramrod_res)
967 	{
968 		rc = ECORE_NOMEM;
969 		DP_NOTICE(p_hwfn, false,
970 			  "ecore destroy responder failed: cannot allocate memory (ramrod). rc = %d\n",
971 			  rc);
972 		return rc;
973 	}
974 
975 	DMA_REGPAIR_LE(p_ramrod->output_params_addr, ramrod_res_phys);
976 
977 	rc = ecore_spq_post(p_hwfn, p_ent, OSAL_NULL);
978 	if (rc != ECORE_SUCCESS)
979 		goto err;
980 
981 	*num_invalidated_mw
982 		= OSAL_LE32_TO_CPU(p_ramrod_res->num_invalidated_mw);
983 	*cq_prod = OSAL_LE32_TO_CPU(p_ramrod_res->cq_prod);
984 	qp->cq_prod.resp = *cq_prod;
985 
986 	/* Free IRQ - only if ramrod succeeded, in case FW is still using it */
987 	OSAL_DMA_FREE_COHERENT(p_hwfn->p_dev,
988 			       qp->irq,
989 			       qp->irq_phys_addr,
990 			       qp->irq_num_pages *
991 			       RDMA_RING_PAGE_SIZE);
992 
993 	qp->resp_offloaded = false;
994 
995 	DP_VERBOSE(p_hwfn, ECORE_MSG_RDMA, "Destroy responder, rc = %d\n", rc);
996 
997 	/* "fall through" */
998 
999 err:
1000 	OSAL_DMA_FREE_COHERENT(p_hwfn->p_dev, p_ramrod_res, ramrod_res_phys,
1001 		sizeof(*p_ramrod_res));
1002 
1003 	return rc;
1004 }
1005 
1006 static enum _ecore_status_t ecore_roce_sp_destroy_qp_requester(
1007 	struct ecore_hwfn    *p_hwfn,
1008 	struct ecore_rdma_qp *qp,
1009 	u32                  *num_bound_mw,
1010 	u32                  *cq_prod)
1011 {
1012 	struct roce_destroy_qp_req_output_params	*p_ramrod_res;
1013 	struct roce_destroy_qp_req_ramrod_data	*p_ramrod;
1014 	struct ecore_sp_init_data		init_data;
1015 	struct ecore_spq_entry			*p_ent;
1016 	dma_addr_t				ramrod_res_phys;
1017 	enum _ecore_status_t			rc;
1018 
1019 	if (!qp->has_req) {
1020 		*num_bound_mw = 0;
1021 		*cq_prod = 0;
1022 		return ECORE_SUCCESS;
1023 	}
1024 
1025 	DP_VERBOSE(p_hwfn, ECORE_MSG_RDMA, "icid = %08x\n", qp->icid);
1026 
1027 	if (!qp->req_offloaded) {
1028 		*cq_prod = qp->cq_prod.req;
1029 		return ECORE_SUCCESS;
1030 	}
1031 
1032 	p_ramrod_res = (struct roce_destroy_qp_req_output_params *)
1033 			OSAL_DMA_ALLOC_COHERENT(p_hwfn->p_dev, &ramrod_res_phys,
1034 				sizeof(*p_ramrod_res));
1035 	if (!p_ramrod_res)
1036 	{
1037 		DP_NOTICE(p_hwfn, false,
1038 			  "ecore destroy requester failed: cannot allocate memory (ramrod)\n");
1039 		return ECORE_NOMEM;
1040 	}
1041 
1042 	/* Get SPQ entry */
1043 	OSAL_MEMSET(&init_data, 0, sizeof(init_data));
1044 	init_data.cid = qp->icid + 1;
1045 	init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
1046 	init_data.comp_mode = ECORE_SPQ_MODE_EBLOCK;
1047 
1048 	rc = ecore_sp_init_request(p_hwfn, &p_ent, ROCE_RAMROD_DESTROY_QP,
1049 				   PROTOCOLID_ROCE, &init_data);
1050 	if (rc != ECORE_SUCCESS)
1051 		goto err;
1052 
1053 	p_ramrod = &p_ent->ramrod.roce_destroy_qp_req;
1054 	DMA_REGPAIR_LE(p_ramrod->output_params_addr, ramrod_res_phys);
1055 
1056 	rc = ecore_spq_post(p_hwfn, p_ent, OSAL_NULL);
1057 	if (rc != ECORE_SUCCESS)
1058 		goto err;
1059 
1060 	*num_bound_mw = OSAL_LE32_TO_CPU(p_ramrod_res->num_bound_mw);
1061 	*cq_prod = OSAL_LE32_TO_CPU(p_ramrod_res->cq_prod);
1062 	qp->cq_prod.req = *cq_prod;
1063 
1064 	/* Free ORQ - only if ramrod succeeded, in case FW is still using it */
1065 	OSAL_DMA_FREE_COHERENT(p_hwfn->p_dev,
1066 			       qp->orq,
1067 			       qp->orq_phys_addr,
1068 			       qp->orq_num_pages *
1069 			       RDMA_RING_PAGE_SIZE);
1070 
1071 	qp->req_offloaded = false;
1072 
1073 	DP_VERBOSE(p_hwfn, ECORE_MSG_RDMA, "Destroy requester, rc = %d\n", rc);
1074 
1075 	/* "fall through" */
1076 
1077 err:
1078 	OSAL_DMA_FREE_COHERENT(p_hwfn->p_dev, p_ramrod_res, ramrod_res_phys,
1079 			       sizeof(*p_ramrod_res));
1080 
1081 	return rc;
1082 }
1083 
1084 static OSAL_INLINE enum _ecore_status_t ecore_roce_sp_query_responder(
1085 	struct ecore_hwfn *p_hwfn,
1086 	struct ecore_rdma_qp *qp,
1087 	struct ecore_rdma_query_qp_out_params *out_params)
1088 {
1089 	struct roce_query_qp_resp_output_params	*p_resp_ramrod_res;
1090 	struct roce_query_qp_resp_ramrod_data	*p_resp_ramrod;
1091 	struct ecore_sp_init_data		init_data;
1092 	dma_addr_t				resp_ramrod_res_phys;
1093 	struct ecore_spq_entry			*p_ent;
1094 	enum _ecore_status_t			rc = ECORE_SUCCESS;
1095 	bool					error_flag;
1096 
1097 	if (!qp->resp_offloaded) {
1098 		/* Don't send query qp for the responder */
1099 		out_params->rq_psn = qp->rq_psn;
1100 
1101 		return  ECORE_SUCCESS;
1102 	}
1103 
1104 	/* Send a query responder ramrod to the FW */
1105 	p_resp_ramrod_res = (struct roce_query_qp_resp_output_params *)
1106 		OSAL_DMA_ALLOC_COHERENT(p_hwfn->p_dev, &resp_ramrod_res_phys,
1107 					sizeof(*p_resp_ramrod_res));
1108 	if (!p_resp_ramrod_res)
1109 	{
1110 		DP_NOTICE(p_hwfn, false,
1111 			  "ecore query qp failed: cannot allocate memory (ramrod)\n");
1112 		return ECORE_NOMEM;
1113 	}
1114 
1115 	/* Get SPQ entry */
1116 	OSAL_MEMSET(&init_data, 0, sizeof(init_data));
1117 	init_data.cid = qp->icid;
1118 	init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
1119 	init_data.comp_mode = ECORE_SPQ_MODE_EBLOCK;
1120 	rc = ecore_sp_init_request(p_hwfn, &p_ent, ROCE_RAMROD_QUERY_QP,
1121 				   PROTOCOLID_ROCE, &init_data);
1122 	if (rc != ECORE_SUCCESS)
1123 		goto err;
1124 
1125 	p_resp_ramrod = &p_ent->ramrod.roce_query_qp_resp;
1126 	DMA_REGPAIR_LE(p_resp_ramrod->output_params_addr, resp_ramrod_res_phys);
1127 
1128 	rc = ecore_spq_post(p_hwfn, p_ent, OSAL_NULL);
1129 	if (rc != ECORE_SUCCESS)
1130 		goto err;
1131 
1132 	out_params->rq_psn = OSAL_LE32_TO_CPU(p_resp_ramrod_res->psn);
1133 	error_flag = GET_FIELD(
1134 			OSAL_LE32_TO_CPU(p_resp_ramrod_res->err_flag),
1135 			ROCE_QUERY_QP_RESP_OUTPUT_PARAMS_ERROR_FLG);
1136 	if (error_flag)
1137 		qp->cur_state = ECORE_ROCE_QP_STATE_ERR;
1138 
1139 err:
1140 	OSAL_DMA_FREE_COHERENT(p_hwfn->p_dev, p_resp_ramrod_res,
1141 			       resp_ramrod_res_phys,
1142 			       sizeof(*p_resp_ramrod_res));
1143 
1144 	return rc;
1145 }
1146 
1147 static OSAL_INLINE enum _ecore_status_t ecore_roce_sp_query_requester(
1148 	struct ecore_hwfn *p_hwfn,
1149 	struct ecore_rdma_qp *qp,
1150 	struct ecore_rdma_query_qp_out_params *out_params,
1151 	bool *sq_draining)
1152 {
1153 	struct roce_query_qp_req_output_params	*p_req_ramrod_res;
1154 	struct roce_query_qp_req_ramrod_data	*p_req_ramrod;
1155 	struct ecore_sp_init_data		init_data;
1156 	dma_addr_t				req_ramrod_res_phys;
1157 	struct ecore_spq_entry			*p_ent;
1158 	enum _ecore_status_t			rc = ECORE_SUCCESS;
1159 	bool					error_flag;
1160 
1161 	if (!qp->req_offloaded)
1162 	{
1163 		/* Don't send query qp for the requester */
1164 		out_params->sq_psn = qp->sq_psn;
1165 		out_params->draining = false;
1166 
1167 		*sq_draining = 0;
1168 
1169 		return ECORE_SUCCESS;
1170 	}
1171 
1172 	/* Send a query requester ramrod to the FW */
1173 	p_req_ramrod_res = (struct roce_query_qp_req_output_params *)
1174 		OSAL_DMA_ALLOC_COHERENT(p_hwfn->p_dev, &req_ramrod_res_phys,
1175 					sizeof(*p_req_ramrod_res));
1176 	if (!p_req_ramrod_res)
1177 	{
1178 		DP_NOTICE(p_hwfn, false,
1179 			  "ecore query qp failed: cannot allocate memory (ramrod). rc = %d\n",
1180 			  rc);
1181 		return ECORE_NOMEM;
1182 	}
1183 
1184 	/* Get SPQ entry */
1185 	init_data.cid = qp->icid + 1;
1186 	rc = ecore_sp_init_request(p_hwfn, &p_ent, ROCE_RAMROD_QUERY_QP,
1187 				   PROTOCOLID_ROCE, &init_data);
1188 	if (rc != ECORE_SUCCESS)
1189 		goto err;
1190 
1191 	p_req_ramrod = &p_ent->ramrod.roce_query_qp_req;
1192 	DMA_REGPAIR_LE(p_req_ramrod->output_params_addr, req_ramrod_res_phys);
1193 
1194 	rc = ecore_spq_post(p_hwfn, p_ent, OSAL_NULL);
1195 	if (rc != ECORE_SUCCESS)
1196 		goto err;
1197 
1198 	out_params->sq_psn = OSAL_LE32_TO_CPU(p_req_ramrod_res->psn);
1199 	error_flag = GET_FIELD(OSAL_LE32_TO_CPU(p_req_ramrod_res->flags),
1200 			       ROCE_QUERY_QP_REQ_OUTPUT_PARAMS_ERR_FLG);
1201 	if (error_flag)
1202 		qp->cur_state = ECORE_ROCE_QP_STATE_ERR;
1203 	else
1204 		*sq_draining = GET_FIELD(
1205 			OSAL_LE32_TO_CPU(p_req_ramrod_res->flags),
1206 			ROCE_QUERY_QP_REQ_OUTPUT_PARAMS_SQ_DRAINING_FLG);
1207 
1208 err:
1209 	OSAL_DMA_FREE_COHERENT(p_hwfn->p_dev, p_req_ramrod_res,
1210 			       req_ramrod_res_phys, sizeof(*p_req_ramrod_res));
1211 
1212 	return rc;
1213 }
1214 
1215 enum _ecore_status_t ecore_roce_query_qp(
1216 	struct ecore_hwfn *p_hwfn,
1217 	struct ecore_rdma_qp *qp,
1218 	struct ecore_rdma_query_qp_out_params *out_params)
1219 {
1220 	enum _ecore_status_t	rc;
1221 
1222 	rc = ecore_roce_sp_query_responder(p_hwfn, qp, out_params);
1223 	if (rc)
1224 		return rc;
1225 
1226 	rc = ecore_roce_sp_query_requester(p_hwfn, qp, out_params,
1227 					   &out_params->draining);
1228 	if (rc)
1229 		return rc;
1230 
1231 	out_params->state = qp->cur_state;
1232 
1233 	return ECORE_SUCCESS;
1234 }
1235 
1236 enum _ecore_status_t ecore_roce_destroy_qp(struct ecore_hwfn *p_hwfn,
1237 					   struct ecore_rdma_qp *qp,
1238 					   struct ecore_rdma_destroy_qp_out_params *out_params)
1239 {
1240 	u32 cq_prod_resp = qp->cq_prod.resp, cq_prod_req = qp->cq_prod.req;
1241 	u32 num_invalidated_mw = 0;
1242 	u32 num_bound_mw = 0;
1243 	enum _ecore_status_t rc;
1244 
1245 	/* Destroys the specified QP
1246 	 * Note: if qp state != RESET/ERR/INIT then upper driver first need to
1247 	 * call modify qp to move the qp to ERR state
1248 	 */
1249 	if ((qp->cur_state != ECORE_ROCE_QP_STATE_RESET) &&
1250 	    (qp->cur_state != ECORE_ROCE_QP_STATE_ERR) &&
1251 	    (qp->cur_state != ECORE_ROCE_QP_STATE_INIT))
1252 	{
1253 		DP_NOTICE(p_hwfn,
1254 			  true,
1255 		   "QP must be in error, reset or init state before destroying it\n");
1256 		return ECORE_INVAL;
1257 	}
1258 
1259 	if (qp->cur_state != ECORE_ROCE_QP_STATE_RESET) {
1260 		rc = ecore_roce_sp_destroy_qp_responder(p_hwfn,
1261 							qp,
1262 							&num_invalidated_mw,
1263 							&cq_prod_resp);
1264 		if (rc != ECORE_SUCCESS)
1265 			return rc;
1266 
1267 		/* Send destroy requester ramrod */
1268 		rc = ecore_roce_sp_destroy_qp_requester(p_hwfn, qp,
1269 							&num_bound_mw,
1270 							&cq_prod_req);
1271 		if (rc != ECORE_SUCCESS)
1272 			return rc;
1273 
1274 		/* resp_ofload was true, num_invalidated_mw is valid */
1275 		if (num_invalidated_mw != num_bound_mw) {
1276 			DP_NOTICE(p_hwfn,
1277 				  true,
1278 				  "number of invalidate memory windows is different from bounded ones\n");
1279 			return ECORE_INVAL;
1280 		}
1281 	}
1282 
1283 	ecore_roce_free_qp(p_hwfn, qp->qp_idx);
1284 
1285 	out_params->rq_cq_prod = cq_prod_resp;
1286 	out_params->sq_cq_prod = cq_prod_req;
1287 
1288 	return ECORE_SUCCESS;
1289 }
1290 
1291 enum _ecore_status_t ecore_roce_destroy_ud_qp(void *rdma_cxt, u16 cid)
1292 {
1293 	struct ecore_hwfn *p_hwfn = (struct ecore_hwfn *)rdma_cxt;
1294 	struct ecore_sp_init_data init_data;
1295 	struct ecore_spq_entry *p_ent;
1296 	enum _ecore_status_t rc;
1297 
1298 	if (!rdma_cxt) {
1299 		DP_ERR(p_hwfn->p_dev,
1300 		       "destroy ud qp failed due to NULL rdma_cxt\n");
1301 		return ECORE_INVAL;
1302 	}
1303 
1304 	/* Get SPQ entry */
1305 	OSAL_MEMSET(&init_data, 0, sizeof(init_data));
1306 	init_data.cid = cid;
1307 	init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
1308 	init_data.comp_mode = ECORE_SPQ_MODE_EBLOCK;
1309 	rc = ecore_sp_init_request(p_hwfn, &p_ent, ROCE_RAMROD_DESTROY_UD_QP,
1310 				   PROTOCOLID_ROCE, &init_data);
1311 	if (rc != ECORE_SUCCESS)
1312 		goto err;
1313 
1314 	rc = ecore_spq_post(p_hwfn, p_ent, OSAL_NULL);
1315 	if (rc != ECORE_SUCCESS)
1316 		goto err;
1317 
1318 	ecore_roce_free_qp(p_hwfn, ECORE_ROCE_ICID_TO_QP(cid));
1319 
1320 	DP_VERBOSE(p_hwfn, ECORE_MSG_RDMA, "freed a ud qp with cid=%d\n", cid);
1321 
1322 	return ECORE_SUCCESS;
1323 
1324 err:
1325 	DP_ERR(p_hwfn, "failed destroying a ud qp with cid=%d\n", cid);
1326 
1327 	return rc;
1328 }
1329 
1330 enum _ecore_status_t ecore_roce_create_ud_qp(void		*rdma_cxt,
1331 			struct ecore_rdma_create_qp_out_params	*out_params)
1332 {
1333 	struct ecore_hwfn *p_hwfn = (struct ecore_hwfn *)rdma_cxt;
1334 	struct ecore_sp_init_data init_data;
1335 	struct ecore_spq_entry *p_ent;
1336 	enum _ecore_status_t rc;
1337 	u16 icid, qp_idx;
1338 
1339 	if (!rdma_cxt || !out_params) {
1340 		DP_ERR(p_hwfn->p_dev,
1341 		       "ecore roce create ud qp failed due to NULL entry (rdma_cxt=%p, out=%p)\n",
1342 		       rdma_cxt, out_params);
1343 		return ECORE_INVAL;
1344 	}
1345 
1346 	rc = ecore_roce_alloc_qp_idx(p_hwfn, &qp_idx);
1347 	if (rc != ECORE_SUCCESS)
1348 		goto err;
1349 
1350 	icid = ECORE_ROCE_QP_TO_ICID(qp_idx);
1351 
1352 	/* Get SPQ entry */
1353 	OSAL_MEMSET(&init_data, 0, sizeof(init_data));
1354 	init_data.cid = icid;
1355 	init_data.opaque_fid = p_hwfn->hw_info.opaque_fid;
1356 	init_data.comp_mode = ECORE_SPQ_MODE_EBLOCK;
1357 	rc = ecore_sp_init_request(p_hwfn, &p_ent, ROCE_RAMROD_CREATE_UD_QP,
1358 				   PROTOCOLID_ROCE, &init_data);
1359 	if (rc != ECORE_SUCCESS)
1360 		goto err1;
1361 
1362 	rc = ecore_spq_post(p_hwfn, p_ent, OSAL_NULL);
1363 	if (rc != ECORE_SUCCESS)
1364 		goto err1;
1365 
1366 	out_params->icid = icid;
1367 	out_params->qp_id = ((0xFF << 16) | icid);
1368 
1369 	DP_VERBOSE(p_hwfn, ECORE_MSG_RDMA, "created a ud qp with icid=%d\n",
1370 		   icid);
1371 
1372 	return ECORE_SUCCESS;
1373 
1374 err1:
1375 	ecore_roce_free_qp(p_hwfn, qp_idx);
1376 
1377 err:
1378 	DP_VERBOSE(p_hwfn, ECORE_MSG_RDMA, "failed creating a ud qp\n");
1379 
1380 	return rc;
1381 }
1382 
1383 enum _ecore_status_t
1384 ecore_roce_modify_qp(struct ecore_hwfn *p_hwfn,
1385 		     struct ecore_rdma_qp *qp,
1386 		     enum ecore_roce_qp_state prev_state,
1387 		     struct ecore_rdma_modify_qp_in_params *params)
1388 {
1389 	u32 num_invalidated_mw = 0, num_bound_mw = 0;
1390 	enum _ecore_status_t rc = ECORE_SUCCESS;
1391 
1392 	/* Perform additional operations according to the current state and the
1393 	 * next state
1394 	 */
1395 	if (((prev_state == ECORE_ROCE_QP_STATE_INIT) ||
1396 	     (prev_state == ECORE_ROCE_QP_STATE_RESET)) &&
1397 	    (qp->cur_state == ECORE_ROCE_QP_STATE_RTR))
1398 	{
1399 		/* Init->RTR or Reset->RTR */
1400 
1401 		/* Verify the cid bits that of this qp index are clear */
1402 		rc = ecore_roce_wait_free_cids(p_hwfn, qp->qp_idx);
1403 		if (rc)
1404 			return rc;
1405 
1406 		rc = ecore_roce_sp_create_responder(p_hwfn, qp);
1407 		return rc;
1408 
1409 	} else if ((prev_state == ECORE_ROCE_QP_STATE_RTR) &&
1410 		   (qp->cur_state == ECORE_ROCE_QP_STATE_RTS))
1411 	{
1412 		/* RTR-> RTS */
1413 		rc = ecore_roce_sp_create_requester(p_hwfn, qp);
1414 		if (rc != ECORE_SUCCESS)
1415 			return rc;
1416 
1417 		/* Send modify responder ramrod */
1418 		rc = ecore_roce_sp_modify_responder(p_hwfn, qp, false,
1419 						    params->modify_flags);
1420 		return rc;
1421 
1422 	} else if ((prev_state == ECORE_ROCE_QP_STATE_RTS) &&
1423 		   (qp->cur_state == ECORE_ROCE_QP_STATE_RTS))
1424 	{
1425 		/* RTS->RTS */
1426 		rc = ecore_roce_sp_modify_responder(p_hwfn, qp, false,
1427 						    params->modify_flags);
1428 		if (rc != ECORE_SUCCESS)
1429 			return rc;
1430 
1431 		rc = ecore_roce_sp_modify_requester(p_hwfn, qp, false, false,
1432 						    params->modify_flags);
1433 		return rc;
1434 
1435 	} else if ((prev_state == ECORE_ROCE_QP_STATE_RTS) &&
1436 		   (qp->cur_state == ECORE_ROCE_QP_STATE_SQD))
1437 	{
1438 		/* RTS->SQD */
1439 		rc = ecore_roce_sp_modify_requester(p_hwfn, qp, true, false,
1440 						    params->modify_flags);
1441 		return rc;
1442 
1443 	} else if ((prev_state == ECORE_ROCE_QP_STATE_SQD) &&
1444 		   (qp->cur_state == ECORE_ROCE_QP_STATE_SQD))
1445 	{
1446 		/* SQD->SQD */
1447 		rc = ecore_roce_sp_modify_responder(p_hwfn, qp, false,
1448 						    params->modify_flags);
1449 		if (rc != ECORE_SUCCESS)
1450 			return rc;
1451 
1452 		rc = ecore_roce_sp_modify_requester(p_hwfn,  qp, false, false,
1453 						    params->modify_flags);
1454 		return rc;
1455 
1456 	} else if ((prev_state == ECORE_ROCE_QP_STATE_SQD) &&
1457 		 (qp->cur_state == ECORE_ROCE_QP_STATE_RTS))
1458 	{
1459 		/* SQD->RTS */
1460 		rc = ecore_roce_sp_modify_responder(p_hwfn,  qp, false,
1461 						    params->modify_flags);
1462 		if (rc != ECORE_SUCCESS)
1463 			return rc;
1464 
1465 		rc = ecore_roce_sp_modify_requester(p_hwfn,  qp, false, false,
1466 						    params->modify_flags);
1467 
1468 		return rc;
1469 	} else if (qp->cur_state == ECORE_ROCE_QP_STATE_ERR) {
1470 		/* ->ERR */
1471 		rc = ecore_roce_sp_modify_responder(p_hwfn, qp, true,
1472 						    params->modify_flags);
1473 		if (rc != ECORE_SUCCESS)
1474 			return rc;
1475 
1476 		rc = ecore_roce_sp_modify_requester(p_hwfn, qp, false, true,
1477 						    params->modify_flags);
1478 		return rc;
1479 
1480 	} else if (qp->cur_state == ECORE_ROCE_QP_STATE_RESET) {
1481 		/* Any state -> RESET */
1482 
1483 		/* Send destroy responder ramrod */
1484 		rc = ecore_roce_sp_destroy_qp_responder(p_hwfn, qp,
1485 							&num_invalidated_mw,
1486 							&qp->cq_prod.resp);
1487 
1488 		if (rc != ECORE_SUCCESS)
1489 			return rc;
1490 
1491 		rc = ecore_roce_sp_destroy_qp_requester(p_hwfn, qp,
1492 							&num_bound_mw,
1493 							&qp->cq_prod.req);
1494 
1495 		if (rc != ECORE_SUCCESS)
1496 			return rc;
1497 
1498 		if (num_invalidated_mw != num_bound_mw) {
1499 			DP_NOTICE(p_hwfn,
1500 				  true,
1501 				  "number of invalidate memory windows is different from bounded ones\n");
1502 			return ECORE_INVAL;
1503 		}
1504 	} else {
1505 		DP_VERBOSE(p_hwfn, ECORE_MSG_RDMA, "ECORE_SUCCESS\n");
1506 	}
1507 
1508 	return rc;
1509 }
1510 
1511 static void ecore_roce_free_icid(struct ecore_hwfn *p_hwfn, u16 icid)
1512 {
1513 	struct ecore_rdma_info *p_rdma_info = p_hwfn->p_rdma_info;
1514 	u32 start_cid, cid;
1515 
1516 	start_cid = ecore_cxt_get_proto_cid_start(p_hwfn, p_rdma_info->proto);
1517 	cid = icid - start_cid;
1518 
1519 	OSAL_SPIN_LOCK(&p_rdma_info->lock);
1520 
1521 	ecore_bmap_release_id(p_hwfn, &p_rdma_info->cid_map, cid);
1522 
1523 	OSAL_SPIN_UNLOCK(&p_hwfn->p_rdma_info->lock);
1524 }
1525 
1526 static void ecore_rdma_dpm_conf(struct ecore_hwfn *p_hwfn,
1527 				struct ecore_ptt *p_ptt)
1528 {
1529 	u32 val;
1530 
1531 	val = (p_hwfn->dcbx_no_edpm || p_hwfn->db_bar_no_edpm) ? 0 : 1;
1532 
1533 	ecore_wr(p_hwfn, p_ptt, DORQ_REG_PF_DPM_ENABLE, val);
1534 	DP_VERBOSE(p_hwfn, (ECORE_MSG_DCB | ECORE_MSG_RDMA),
1535 		   "Changing DPM_EN state to %d (DCBX=%d, DB_BAR=%d)\n",
1536 		   val, p_hwfn->dcbx_no_edpm, p_hwfn->db_bar_no_edpm);
1537 }
1538 
1539 /* This function disables EDPM due to DCBx considerations */
1540 void ecore_roce_dpm_dcbx(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt)
1541 {
1542 	u8 val;
1543 
1544 	/* if any QPs are already active, we want to disable DPM, since their
1545 	 * context information contains information from before the latest DCBx
1546 	 * update. Otherwise enable it.
1547 	 */
1548 	val = (ecore_rdma_allocated_qps(p_hwfn)) ? true : false;
1549 	p_hwfn->dcbx_no_edpm = (u8)val;
1550 
1551 	ecore_rdma_dpm_conf(p_hwfn, p_ptt);
1552 }
1553 
1554 /* This function disables EDPM due to doorbell bar considerations */
1555 void ecore_rdma_dpm_bar(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt)
1556 {
1557 	p_hwfn->db_bar_no_edpm = true;
1558 
1559 	ecore_rdma_dpm_conf(p_hwfn, p_ptt);
1560 }
1561 
1562 enum _ecore_status_t ecore_roce_setup(struct ecore_hwfn *p_hwfn)
1563 {
1564 	return ecore_spq_register_async_cb(p_hwfn, PROTOCOLID_ROCE,
1565 					   ecore_roce_async_event);
1566 }
1567 
1568 #ifdef _NTDDK_
1569 #pragma warning(pop)
1570 #endif
1571