xref: /freebsd/sys/dev/qlnx/qlnxe/ecore_ooo.c (revision b0d29bc47dba79f6f38e67eabadfb4b32ffd9390)
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_ooo.c
30  */
31 #include <sys/cdefs.h>
32 __FBSDID("$FreeBSD$");
33 
34 #include "bcm_osal.h"
35 
36 #include "ecore.h"
37 #include "ecore_status.h"
38 #include "ecore_ll2.h"
39 #include "ecore_ooo.h"
40 #include "ecore_iscsi.h"
41 #include "ecore_cxt.h"
42 /*
43  * Static OOO functions
44  */
45 
46 static struct ecore_ooo_archipelago *
47 ecore_ooo_seek_archipelago(struct ecore_ooo_info *p_ooo_info, u32 cid)
48 {
49 	u32 idx = (cid & 0xffff) - p_ooo_info->cid_base;
50 	struct ecore_ooo_archipelago *p_archipelago;
51 
52 	if (idx >= p_ooo_info->max_num_archipelagos)
53 		return OSAL_NULL;
54 
55 	p_archipelago = &p_ooo_info->p_archipelagos_mem[idx];
56 
57 	if (OSAL_LIST_IS_EMPTY(&p_archipelago->isles_list))
58 		return OSAL_NULL;
59 
60 	return p_archipelago;
61 }
62 
63 static struct ecore_ooo_isle *ecore_ooo_seek_isle(struct ecore_hwfn *p_hwfn,
64 						  struct ecore_ooo_info *p_ooo_info,
65 						  u32 cid, u8 isle)
66 {
67 	struct ecore_ooo_archipelago *p_archipelago = OSAL_NULL;
68 	struct ecore_ooo_isle *p_isle = OSAL_NULL;
69 	u8 the_num_of_isle = 1;
70 
71 	p_archipelago = ecore_ooo_seek_archipelago(p_ooo_info, cid);
72 	if (!p_archipelago) {
73 		DP_NOTICE(p_hwfn, true,
74 			 "Connection %d is not found in OOO list\n", cid);
75 		return OSAL_NULL;
76 	}
77 
78 	OSAL_LIST_FOR_EACH_ENTRY(p_isle,
79 				 &p_archipelago->isles_list,
80 				 list_entry, struct ecore_ooo_isle) {
81 		if (the_num_of_isle == isle)
82 			return p_isle;
83 		the_num_of_isle++;
84 	}
85 
86 	return OSAL_NULL;
87 }
88 
89 void ecore_ooo_save_history_entry(struct ecore_ooo_info *p_ooo_info,
90 				  struct ooo_opaque *p_cqe)
91 {
92 	struct ecore_ooo_history *p_history = &p_ooo_info->ooo_history;
93 
94 	if (p_history->head_idx == p_history->num_of_cqes)
95 			p_history->head_idx = 0;
96 	p_history->p_cqes[p_history->head_idx] = *p_cqe;
97 	p_history->head_idx++;
98 }
99 
100 //#ifdef CONFIG_ECORE_ISCSI
101 #if defined(CONFIG_ECORE_ISCSI) || defined(CONFIG_ECORE_IWARP)
102 enum _ecore_status_t ecore_ooo_alloc(struct ecore_hwfn *p_hwfn)
103 {
104 	u16 max_num_archipelagos = 0, cid_base;
105 	struct ecore_ooo_info *p_ooo_info;
106 	u16 max_num_isles = 0;
107 	u32 i;
108 
109 	switch (p_hwfn->hw_info.personality) {
110 	case ECORE_PCI_ISCSI:
111 		max_num_archipelagos =
112 			p_hwfn->pf_params.iscsi_pf_params.num_cons;
113 		cid_base =(u16)ecore_cxt_get_proto_cid_start(p_hwfn,
114 							     PROTOCOLID_ISCSI);
115 		break;
116 	case ECORE_PCI_ETH_RDMA:
117 	case ECORE_PCI_ETH_IWARP:
118 		max_num_archipelagos =
119 			(u16)ecore_cxt_get_proto_cid_count(p_hwfn,
120 							   PROTOCOLID_IWARP,
121 							   OSAL_NULL);
122 		cid_base = (u16)ecore_cxt_get_proto_cid_start(p_hwfn,
123 							      PROTOCOLID_IWARP);
124 		break;
125 	default:
126 		DP_NOTICE(p_hwfn, true,
127 			  "Failed to allocate ecore_ooo_info: unknown personalization\n");
128 		return ECORE_INVAL;
129 	}
130 
131 	max_num_isles = ECORE_MAX_NUM_ISLES + max_num_archipelagos;
132 
133 	if (!max_num_archipelagos) {
134 		DP_NOTICE(p_hwfn, true,
135 			  "Failed to allocate ecore_ooo_info: unknown amount of connections\n");
136 		return ECORE_INVAL;
137 	}
138 
139 	p_ooo_info = OSAL_ZALLOC(p_hwfn->p_dev, GFP_KERNEL,
140 				 sizeof(*p_ooo_info));
141 	if (!p_ooo_info) {
142 		DP_NOTICE(p_hwfn, true, "Failed to allocate ecore_ooo_info\n");
143 		return ECORE_NOMEM;
144 	}
145 	p_ooo_info->cid_base = cid_base; /* We look only at the icid */
146 	p_ooo_info->max_num_archipelagos = max_num_archipelagos;
147 
148 	OSAL_LIST_INIT(&p_ooo_info->free_buffers_list);
149 	OSAL_LIST_INIT(&p_ooo_info->ready_buffers_list);
150 	OSAL_LIST_INIT(&p_ooo_info->free_isles_list);
151 
152 	p_ooo_info->p_isles_mem =
153 		OSAL_ZALLOC(p_hwfn->p_dev, GFP_KERNEL,
154 			    sizeof(struct ecore_ooo_isle) *
155 			    max_num_isles);
156 	if (!p_ooo_info->p_isles_mem) {
157 		DP_NOTICE(p_hwfn,true,
158 			  "Failed to allocate ecore_ooo_info (isles)\n");
159 		goto no_isles_mem;
160 	}
161 
162 	for (i = 0; i < max_num_isles; i++) {
163 		OSAL_LIST_INIT(&p_ooo_info->p_isles_mem[i].buffers_list);
164 		OSAL_LIST_PUSH_TAIL(&p_ooo_info->p_isles_mem[i].list_entry,
165 				    &p_ooo_info->free_isles_list);
166 	}
167 
168 	p_ooo_info->p_archipelagos_mem =
169 		OSAL_ZALLOC(p_hwfn->p_dev, GFP_KERNEL,
170 			    sizeof(struct ecore_ooo_archipelago) *
171 			    max_num_archipelagos);
172 	if (!p_ooo_info->p_archipelagos_mem) {
173 		DP_NOTICE(p_hwfn,true,
174 			 "Failed to allocate ecore_ooo_info(archpelagos)\n");
175 		goto no_archipelagos_mem;
176 	}
177 
178 	for (i = 0; i < max_num_archipelagos; i++) {
179 		OSAL_LIST_INIT(&p_ooo_info->p_archipelagos_mem[i].isles_list);
180 	}
181 
182 	p_ooo_info->ooo_history.p_cqes =
183 		OSAL_ZALLOC(p_hwfn->p_dev, GFP_KERNEL,
184 			    sizeof(struct ooo_opaque) *
185 			    ECORE_MAX_NUM_OOO_HISTORY_ENTRIES);
186 	if (!p_ooo_info->ooo_history.p_cqes) {
187 		DP_NOTICE(p_hwfn,true,
188 			  "Failed to allocate ecore_ooo_info(history)\n");
189 		goto no_history_mem;
190 	}
191 	p_ooo_info->ooo_history.num_of_cqes =
192 		ECORE_MAX_NUM_OOO_HISTORY_ENTRIES;
193 
194 	p_hwfn->p_ooo_info = p_ooo_info;
195 	return ECORE_SUCCESS;
196 
197 no_history_mem:
198 	OSAL_FREE(p_hwfn->p_dev, p_ooo_info->p_archipelagos_mem);
199 no_archipelagos_mem:
200 	OSAL_FREE(p_hwfn->p_dev, p_ooo_info->p_isles_mem);
201 no_isles_mem:
202 	OSAL_FREE(p_hwfn->p_dev, p_ooo_info);
203 	return ECORE_NOMEM;
204 }
205 #endif
206 
207 void ecore_ooo_release_connection_isles(struct ecore_ooo_info *p_ooo_info,
208 					u32 cid)
209 {
210 	struct ecore_ooo_archipelago *p_archipelago;
211 	struct ecore_ooo_buffer *p_buffer;
212 	struct ecore_ooo_isle *p_isle;
213 
214 	p_archipelago = ecore_ooo_seek_archipelago(p_ooo_info, cid);
215 	if (!p_archipelago)
216 		return;
217 
218 	while (!OSAL_LIST_IS_EMPTY(&p_archipelago->isles_list)) {
219 		p_isle = OSAL_LIST_FIRST_ENTRY(
220 				&p_archipelago->isles_list,
221 				struct ecore_ooo_isle, list_entry);
222 
223 #if defined(_NTDDK_)
224 #pragma warning(suppress : 6011 28182)
225 #endif
226 		OSAL_LIST_REMOVE_ENTRY(&p_isle->list_entry,
227 				       &p_archipelago->isles_list);
228 
229 		while (!OSAL_LIST_IS_EMPTY(&p_isle->buffers_list)) {
230 			p_buffer =
231 				OSAL_LIST_FIRST_ENTRY(
232 				&p_isle->buffers_list ,
233 				struct ecore_ooo_buffer, list_entry);
234 
235 			if (p_buffer == OSAL_NULL)
236 				break;
237 #if defined(_NTDDK_)
238 #pragma warning(suppress : 6011 28182)
239 #endif
240 			OSAL_LIST_REMOVE_ENTRY(&p_buffer->list_entry,
241 				      	       &p_isle->buffers_list);
242 				OSAL_LIST_PUSH_TAIL(&p_buffer->list_entry,
243 						&p_ooo_info->free_buffers_list);
244 			}
245 			OSAL_LIST_PUSH_TAIL(&p_isle->list_entry,
246 					&p_ooo_info->free_isles_list);
247 		}
248 
249 }
250 
251 void ecore_ooo_release_all_isles(struct ecore_ooo_info *p_ooo_info)
252 {
253 	struct ecore_ooo_archipelago *p_archipelago;
254 	struct ecore_ooo_buffer *p_buffer;
255 	struct ecore_ooo_isle *p_isle;
256 	u32 i;
257 
258 	for (i = 0; i < p_ooo_info->max_num_archipelagos; i++) {
259 		p_archipelago = &(p_ooo_info->p_archipelagos_mem[i]);
260 
261 #if defined(_NTDDK_)
262 #pragma warning(suppress : 6011 28182)
263 #endif
264 		while (!OSAL_LIST_IS_EMPTY(&p_archipelago->isles_list)) {
265 			p_isle = OSAL_LIST_FIRST_ENTRY(
266 					&p_archipelago->isles_list,
267 					struct ecore_ooo_isle, list_entry);
268 
269 #if defined(_NTDDK_)
270 #pragma warning(suppress : 6011 28182)
271 #endif
272 			OSAL_LIST_REMOVE_ENTRY(&p_isle->list_entry,
273 					       &p_archipelago->isles_list);
274 
275 			while (!OSAL_LIST_IS_EMPTY(&p_isle->buffers_list)) {
276 				p_buffer =
277 					OSAL_LIST_FIRST_ENTRY(
278 					&p_isle->buffers_list ,
279 					struct ecore_ooo_buffer, list_entry);
280 
281 				if (p_buffer == OSAL_NULL)
282 					break;
283 #if defined(_NTDDK_)
284 #pragma warning(suppress : 6011 28182)
285 #endif
286 				OSAL_LIST_REMOVE_ENTRY(&p_buffer->list_entry,
287 						      &p_isle->buffers_list);
288 				OSAL_LIST_PUSH_TAIL(&p_buffer->list_entry,
289 					&p_ooo_info->free_buffers_list);
290 			}
291 			OSAL_LIST_PUSH_TAIL(&p_isle->list_entry,
292 				&p_ooo_info->free_isles_list);
293 		}
294 	}
295 	if (!OSAL_LIST_IS_EMPTY(&p_ooo_info->ready_buffers_list)) {
296 		OSAL_LIST_SPLICE_TAIL_INIT(&p_ooo_info->ready_buffers_list,
297 					  &p_ooo_info->free_buffers_list);
298 	}
299 }
300 
301 //#ifdef CONFIG_ECORE_ISCSI
302 #if defined(CONFIG_ECORE_ISCSI) || defined(CONFIG_ECORE_IWARP)
303 void ecore_ooo_setup(struct ecore_hwfn *p_hwfn)
304 {
305 	ecore_ooo_release_all_isles(p_hwfn->p_ooo_info);
306 	OSAL_MEM_ZERO(p_hwfn->p_ooo_info->ooo_history.p_cqes,
307 		      p_hwfn->p_ooo_info->ooo_history.num_of_cqes *
308 		      sizeof(struct ooo_opaque));
309 	p_hwfn->p_ooo_info->ooo_history.head_idx = 0;
310 }
311 
312 void ecore_ooo_free(struct ecore_hwfn *p_hwfn)
313 {
314 	struct ecore_ooo_info *p_ooo_info = p_hwfn->p_ooo_info;
315 	struct ecore_ooo_buffer *p_buffer;
316 
317 	if (!p_ooo_info)
318 		return;
319 
320 	ecore_ooo_release_all_isles(p_ooo_info);
321 	while (!OSAL_LIST_IS_EMPTY(&p_ooo_info->free_buffers_list)) {
322 		p_buffer = OSAL_LIST_FIRST_ENTRY(&p_ooo_info->
323 						 free_buffers_list,
324 						 struct ecore_ooo_buffer,
325 						 list_entry);
326 		if (p_buffer == OSAL_NULL)
327 			break;
328 #if defined(_NTDDK_)
329 #pragma warning(suppress : 6011 28182)
330 #endif
331 		OSAL_LIST_REMOVE_ENTRY(&p_buffer->list_entry,
332 				       &p_ooo_info->free_buffers_list);
333 		OSAL_DMA_FREE_COHERENT(p_hwfn->p_dev,
334 				       p_buffer->rx_buffer_virt_addr,
335 				       p_buffer->rx_buffer_phys_addr,
336 				       p_buffer->rx_buffer_size);
337 		OSAL_FREE(p_hwfn->p_dev, p_buffer);
338 	}
339 
340 	OSAL_FREE(p_hwfn->p_dev, p_ooo_info->p_isles_mem);
341 	OSAL_FREE(p_hwfn->p_dev, p_ooo_info->p_archipelagos_mem);
342 	OSAL_FREE(p_hwfn->p_dev, p_ooo_info->ooo_history.p_cqes);
343 	OSAL_FREE(p_hwfn->p_dev, p_ooo_info);
344 	p_hwfn->p_ooo_info = OSAL_NULL;
345 }
346 #endif
347 
348 void ecore_ooo_put_free_buffer(struct ecore_ooo_info *p_ooo_info,
349 			       struct ecore_ooo_buffer *p_buffer)
350 {
351 	OSAL_LIST_PUSH_TAIL(&p_buffer->list_entry,
352 			    &p_ooo_info->free_buffers_list);
353 }
354 
355 struct ecore_ooo_buffer *
356 ecore_ooo_get_free_buffer(struct ecore_ooo_info *p_ooo_info)
357 {
358 	struct ecore_ooo_buffer	*p_buffer = OSAL_NULL;
359 
360 	if (!OSAL_LIST_IS_EMPTY(&p_ooo_info->free_buffers_list)) {
361 		p_buffer =
362 			OSAL_LIST_FIRST_ENTRY(
363 			&p_ooo_info->free_buffers_list,
364 			struct ecore_ooo_buffer, list_entry);
365 
366 		OSAL_LIST_REMOVE_ENTRY(&p_buffer->list_entry,
367 				      &p_ooo_info->free_buffers_list);
368 	}
369 
370 	return p_buffer;
371 }
372 
373 void ecore_ooo_put_ready_buffer(struct ecore_ooo_info *p_ooo_info,
374 				struct ecore_ooo_buffer *p_buffer, u8 on_tail)
375 {
376 	if (on_tail) {
377 		OSAL_LIST_PUSH_TAIL(&p_buffer->list_entry,
378 				   &p_ooo_info->ready_buffers_list);
379 	} else {
380 		OSAL_LIST_PUSH_HEAD(&p_buffer->list_entry,
381 				   &p_ooo_info->ready_buffers_list);
382 	}
383 }
384 
385 struct ecore_ooo_buffer *
386 ecore_ooo_get_ready_buffer(struct ecore_ooo_info *p_ooo_info)
387 {
388 	struct ecore_ooo_buffer	*p_buffer = OSAL_NULL;
389 
390 	if (!OSAL_LIST_IS_EMPTY(&p_ooo_info->ready_buffers_list)) {
391 		p_buffer =
392 			OSAL_LIST_FIRST_ENTRY(
393 			&p_ooo_info->ready_buffers_list,
394 			struct ecore_ooo_buffer, list_entry);
395 
396 		OSAL_LIST_REMOVE_ENTRY(&p_buffer->list_entry,
397 				      &p_ooo_info->ready_buffers_list);
398 	}
399 
400 	return p_buffer;
401 }
402 
403 void ecore_ooo_delete_isles(struct ecore_hwfn *p_hwfn,
404 			   struct ecore_ooo_info *p_ooo_info,
405 			   u32 cid,
406 			   u8 drop_isle,
407 			   u8 drop_size)
408 {
409 	struct ecore_ooo_archipelago *p_archipelago = OSAL_NULL;
410 	struct ecore_ooo_isle *p_isle = OSAL_NULL;
411 	u8 isle_idx;
412 
413 	p_archipelago = ecore_ooo_seek_archipelago(p_ooo_info, cid);
414 	for (isle_idx = 0; isle_idx < drop_size; isle_idx++) {
415 		p_isle = ecore_ooo_seek_isle(p_hwfn, p_ooo_info,
416 					    cid, drop_isle);
417 		if (!p_isle) {
418 			DP_NOTICE(p_hwfn, true,
419 				 "Isle %d is not found(cid %d)\n",
420 				 drop_isle, cid);
421 			return;
422 		}
423 		if (OSAL_LIST_IS_EMPTY(&p_isle->buffers_list)) {
424 			DP_NOTICE(p_hwfn, true,
425 				 "Isle %d is empty(cid %d)\n",
426 				 drop_isle, cid);
427 		} else {
428 			OSAL_LIST_SPLICE_TAIL_INIT(&p_isle->buffers_list,
429 					&p_ooo_info->free_buffers_list);
430 		}
431 #if defined(_NTDDK_)
432 #pragma warning(suppress : 6011)
433 #endif
434 		OSAL_LIST_REMOVE_ENTRY(&p_isle->list_entry,
435 				      &p_archipelago->isles_list);
436 		p_ooo_info->cur_isles_number--;
437 		OSAL_LIST_PUSH_HEAD(&p_isle->list_entry,
438 				   &p_ooo_info->free_isles_list);
439 	}
440 }
441 
442 void ecore_ooo_add_new_isle(struct ecore_hwfn *p_hwfn,
443 			   struct ecore_ooo_info *p_ooo_info,
444 			   u32 cid, u8 ooo_isle,
445 			   struct ecore_ooo_buffer *p_buffer)
446 {
447 	struct ecore_ooo_archipelago *p_archipelago = OSAL_NULL;
448 	struct ecore_ooo_isle *p_prev_isle = OSAL_NULL;
449 	struct ecore_ooo_isle *p_isle = OSAL_NULL;
450 
451 	if (ooo_isle > 1) {
452 		p_prev_isle = ecore_ooo_seek_isle(p_hwfn, p_ooo_info, cid, ooo_isle - 1);
453 		if (!p_prev_isle) {
454 			DP_NOTICE(p_hwfn, true,
455 				 "Isle %d is not found(cid %d)\n",
456 				 ooo_isle - 1, cid);
457 			return;
458 		}
459 	}
460 	p_archipelago = ecore_ooo_seek_archipelago(p_ooo_info, cid);
461 	if (!p_archipelago && (ooo_isle != 1)) {
462 		DP_NOTICE(p_hwfn, true,
463 			 "Connection %d is not found in OOO list\n", cid);
464 		return;
465 	}
466 
467 	if (!OSAL_LIST_IS_EMPTY(&p_ooo_info->free_isles_list)) {
468 		p_isle =
469 			OSAL_LIST_FIRST_ENTRY(
470 			&p_ooo_info->free_isles_list,
471 			struct ecore_ooo_isle, list_entry);
472 
473 		OSAL_LIST_REMOVE_ENTRY(&p_isle->list_entry,
474 				      &p_ooo_info->free_isles_list);
475 		if (!OSAL_LIST_IS_EMPTY(&p_isle->buffers_list)) {
476 			DP_NOTICE(p_hwfn, true, "Free isle is not empty\n");
477 			OSAL_LIST_INIT(&p_isle->buffers_list);
478 		}
479 	} else {
480 		DP_NOTICE(p_hwfn, true, "No more free isles\n");
481 		return;
482 	}
483 
484 	if (!p_archipelago) {
485 		u32 idx = (cid & 0xffff) - p_ooo_info->cid_base;
486 
487 		p_archipelago = &p_ooo_info->p_archipelagos_mem[idx];
488 	}
489 	OSAL_LIST_PUSH_HEAD(&p_buffer->list_entry, &p_isle->buffers_list);
490 	p_ooo_info->cur_isles_number++;
491 	p_ooo_info->gen_isles_number++;
492 	if (p_ooo_info->cur_isles_number > p_ooo_info->max_isles_number)
493 		p_ooo_info->max_isles_number = p_ooo_info->cur_isles_number;
494 	if (!p_prev_isle) {
495 		OSAL_LIST_PUSH_HEAD(&p_isle->list_entry, &p_archipelago->isles_list);
496 	} else {
497 		OSAL_LIST_INSERT_ENTRY_AFTER(&p_isle->list_entry,
498 			                    &p_prev_isle->list_entry,
499 					    &p_archipelago->isles_list);
500 	}
501 }
502 
503 void ecore_ooo_add_new_buffer(struct ecore_hwfn	*p_hwfn,
504 			     struct ecore_ooo_info *p_ooo_info,
505 			     u32 cid,
506 			     u8 ooo_isle,
507 			     struct ecore_ooo_buffer *p_buffer,
508 		             u8 buffer_side)
509 {
510 	struct ecore_ooo_isle	* p_isle = OSAL_NULL;
511 	p_isle = ecore_ooo_seek_isle(p_hwfn, p_ooo_info, cid, ooo_isle);
512 	if (!p_isle) {
513 		DP_NOTICE(p_hwfn, true,
514 			 "Isle %d is not found(cid %d)\n",
515 			 ooo_isle, cid);
516 		return;
517 	}
518 	if (buffer_side == ECORE_OOO_LEFT_BUF) {
519 		OSAL_LIST_PUSH_HEAD(&p_buffer->list_entry,
520 				   &p_isle->buffers_list);
521 	} else {
522 		OSAL_LIST_PUSH_TAIL(&p_buffer->list_entry,
523 				   &p_isle->buffers_list);
524 	}
525 }
526 
527 void ecore_ooo_join_isles(struct ecore_hwfn *p_hwfn,
528 			  struct ecore_ooo_info *p_ooo_info,
529 			  u32 cid, u8 left_isle)
530 {
531 	struct ecore_ooo_archipelago *p_archipelago = OSAL_NULL;
532 	struct ecore_ooo_isle *p_right_isle = OSAL_NULL;
533 	struct ecore_ooo_isle *p_left_isle = OSAL_NULL;
534 
535 	p_right_isle = ecore_ooo_seek_isle(p_hwfn, p_ooo_info, cid,
536 					  left_isle + 1);
537 	if (!p_right_isle) {
538 		DP_NOTICE(p_hwfn, true,
539 			 "Right isle %d is not found(cid %d)\n",
540 			 left_isle + 1, cid);
541 		return;
542 	}
543 	p_archipelago = ecore_ooo_seek_archipelago(p_ooo_info, cid);
544 	OSAL_LIST_REMOVE_ENTRY(&p_right_isle->list_entry,
545 			      &p_archipelago->isles_list);
546 	p_ooo_info->cur_isles_number--;
547 	if (left_isle) {
548 		p_left_isle = ecore_ooo_seek_isle(p_hwfn, p_ooo_info, cid,
549 						 left_isle);
550 		if (!p_left_isle) {
551 			DP_NOTICE(p_hwfn, true,
552 				 "Left isle %d is not found(cid %d)\n",
553 				 left_isle, cid);
554 			return;
555 		}
556 		OSAL_LIST_SPLICE_TAIL_INIT(&p_right_isle->buffers_list,
557 					  &p_left_isle->buffers_list);
558 	} else {
559 		OSAL_LIST_SPLICE_TAIL_INIT(&p_right_isle->buffers_list,
560 					  &p_ooo_info->ready_buffers_list);
561 	}
562 	OSAL_LIST_PUSH_TAIL(&p_right_isle->list_entry,
563 			   &p_ooo_info->free_isles_list);
564 }
565 
566 void ecore_ooo_dump_rx_event(struct ecore_hwfn	*p_hwfn,
567 			     struct ooo_opaque *iscsi_ooo,
568 			     struct ecore_ooo_buffer *p_buffer)
569 {
570 	int i;
571 	u32 dp_module = ECORE_MSG_OOO;
572 	u32 ph_hi, ph_lo;
573 	u8 *packet_buffer = 0;
574 
575 	if (p_hwfn->dp_level > ECORE_LEVEL_VERBOSE)
576 		return;
577 	if (!(p_hwfn->dp_module & dp_module))
578 		return;
579 
580 	packet_buffer = (u8 *)p_buffer->rx_buffer_virt_addr +
581 		p_buffer->placement_offset;
582 	DP_VERBOSE(p_hwfn, dp_module,
583 		   "******************************************************\n");
584 	ph_hi = DMA_HI(p_buffer->rx_buffer_phys_addr);
585 	ph_lo = DMA_LO(p_buffer->rx_buffer_phys_addr);
586 	DP_VERBOSE(p_hwfn, dp_module,
587 		   "0x%x-%x: CID 0x%x, OP 0x%x, ISLE 0x%x\n",
588 		   ph_hi, ph_lo,
589 		   iscsi_ooo->cid, iscsi_ooo->ooo_opcode, iscsi_ooo->ooo_isle);
590 	for (i = 0; i < 64; i = i + 8) {
591 		DP_VERBOSE(p_hwfn, dp_module,
592 			   "0x%x-%x:  0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n",
593 			   ph_hi, ph_lo,
594 			   packet_buffer[i],
595 			   packet_buffer[i + 1],
596 			   packet_buffer[i + 2],
597 			   packet_buffer[i + 3],
598 			   packet_buffer[i + 4],
599 			   packet_buffer[i + 5],
600 			   packet_buffer[i + 6],
601 			   packet_buffer[i + 7]);
602 	}
603 }
604