1/*
2 * Copyright (c) 2017-2018 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 * File : ecore_spq.c
29 */
30#include <sys/cdefs.h>
31__FBSDID("$FreeBSD$");
32
33#include "bcm_osal.h"
34#include "reg_addr.h"
35#include "ecore_gtt_reg_addr.h"
36#include "ecore_hsi_common.h"
37#include "ecore.h"
38#include "ecore_sp_api.h"
39#include "ecore_spq.h"
40#include "ecore_iro.h"
41#include "ecore_init_fw_funcs.h"
42#include "ecore_cxt.h"
43#include "ecore_int.h"
44#include "ecore_dev_api.h"
45#include "ecore_mcp.h"
46#ifdef CONFIG_ECORE_RDMA
47#include "ecore_rdma.h"
48#endif
49#include "ecore_hw.h"
50#include "ecore_sriov.h"
51#ifdef CONFIG_ECORE_ISCSI
52#include "ecore_iscsi.h"
53#include "ecore_ooo.h"
54#endif
55
56#ifdef _NTDDK_
57#pragma warning(push)
58#pragma warning(disable : 28167)
59#pragma warning(disable : 28123)
60#endif
61
62/***************************************************************************
63 * Structures & Definitions
64 ***************************************************************************/
65
66#define SPQ_HIGH_PRI_RESERVE_DEFAULT	(1)
67
68#define SPQ_BLOCK_DELAY_MAX_ITER	(10)
69#define SPQ_BLOCK_DELAY_US		(10)
70#define SPQ_BLOCK_SLEEP_MAX_ITER	(200)
71#define SPQ_BLOCK_SLEEP_MS		(5)
72
73#ifndef REMOVE_DBG
74/***************************************************************************
75 * Debug [iSCSI] tool
76 ***************************************************************************/
77static void ecore_iscsi_eq_dump(struct ecore_hwfn *p_hwfn,
78				struct event_ring_entry *p_eqe)
79{
80	if (p_eqe->opcode >= MAX_ISCSI_EQE_OPCODE) {
81		DP_NOTICE(p_hwfn, false, "Unknown iSCSI EQ: %x\n",
82			  p_eqe->opcode);
83	}
84
85	switch (p_eqe->opcode) {
86	case ISCSI_EVENT_TYPE_INIT_FUNC:
87	case ISCSI_EVENT_TYPE_DESTROY_FUNC:
88		/* NOPE */
89		break;
90	case ISCSI_EVENT_TYPE_OFFLOAD_CONN:
91	case ISCSI_EVENT_TYPE_TERMINATE_CONN:
92		DP_VERBOSE(p_hwfn, ECORE_MSG_STORAGE,
93			   "iSCSI EQE: Port %x, Op %x, echo %x, FWret %x, CID %x, ConnID %x, ERR %x\n",
94			   p_hwfn->port_id, p_eqe->opcode,
95			   OSAL_LE16_TO_CPU(p_eqe->echo),
96			   p_eqe->fw_return_code,
97			   OSAL_LE16_TO_CPU(p_eqe->data.iscsi_info.icid),
98			   OSAL_LE16_TO_CPU(p_eqe->data.iscsi_info.conn_id),
99			   p_eqe->data.iscsi_info.error_code);
100		break;
101	case ISCSI_EVENT_TYPE_UPDATE_CONN:
102	case ISCSI_EVENT_TYPE_CLEAR_SQ:
103	case ISCSI_EVENT_TYPE_ASYN_CONNECT_COMPLETE:
104	case ISCSI_EVENT_TYPE_ASYN_TERMINATE_DONE:
105	case ISCSI_EVENT_TYPE_ASYN_ABORT_RCVD:
106	case ISCSI_EVENT_TYPE_ASYN_CLOSE_RCVD:
107	case ISCSI_EVENT_TYPE_ASYN_SYN_RCVD:
108	case ISCSI_EVENT_TYPE_ASYN_MAX_RT_TIME:
109	case ISCSI_EVENT_TYPE_ASYN_MAX_RT_CNT:
110	case ISCSI_EVENT_TYPE_ASYN_MAX_KA_PROBES_CNT:
111	case ISCSI_EVENT_TYPE_ASYN_FIN_WAIT2:
112	case ISCSI_EVENT_TYPE_ISCSI_CONN_ERROR:
113	case ISCSI_EVENT_TYPE_TCP_CONN_ERROR:
114	default:
115		/* NOPE */
116		break;
117	}
118}
119#endif
120
121/***************************************************************************
122 * Blocking Imp. (BLOCK/EBLOCK mode)
123 ***************************************************************************/
124static void ecore_spq_blocking_cb(struct ecore_hwfn *p_hwfn, void *cookie,
125				  union event_ring_data OSAL_UNUSED *data,
126				  u8 fw_return_code)
127{
128	struct ecore_spq_comp_done *comp_done;
129
130	comp_done = (struct ecore_spq_comp_done *)cookie;
131
132	comp_done->done = 0x1;
133	comp_done->fw_return_code = fw_return_code;
134
135	/* make update visible to waiting thread */
136	OSAL_SMP_WMB(p_hwfn->p_dev);
137}
138
139static enum _ecore_status_t __ecore_spq_block(struct ecore_hwfn *p_hwfn,
140					      struct ecore_spq_entry *p_ent,
141					      u8 *p_fw_ret,
142					      bool sleep_between_iter)
143{
144	struct ecore_spq_comp_done *comp_done;
145	u32 iter_cnt;
146
147	comp_done = (struct ecore_spq_comp_done *)p_ent->comp_cb.cookie;
148	iter_cnt = sleep_between_iter ? SPQ_BLOCK_SLEEP_MAX_ITER
149				      : SPQ_BLOCK_DELAY_MAX_ITER;
150#ifndef ASIC_ONLY
151	if (CHIP_REV_IS_EMUL(p_hwfn->p_dev) && sleep_between_iter)
152		iter_cnt *= 5;
153#endif
154
155	while (iter_cnt--) {
156		OSAL_POLL_MODE_DPC(p_hwfn);
157		OSAL_SMP_RMB(p_hwfn->p_dev);
158		if (comp_done->done == 1) {
159			if (p_fw_ret)
160				*p_fw_ret = comp_done->fw_return_code;
161			return ECORE_SUCCESS;
162		}
163
164		if (sleep_between_iter) {
165			OSAL_MSLEEP(SPQ_BLOCK_SLEEP_MS);
166		} else {
167			OSAL_UDELAY(SPQ_BLOCK_DELAY_US);
168		}
169	}
170
171	return ECORE_TIMEOUT;
172}
173
174static enum _ecore_status_t ecore_spq_block(struct ecore_hwfn *p_hwfn,
175					    struct ecore_spq_entry *p_ent,
176					    u8 *p_fw_ret, bool skip_quick_poll)
177{
178	struct ecore_spq_comp_done *comp_done;
179	struct ecore_ptt *p_ptt;
180	enum _ecore_status_t rc;
181
182	/* A relatively short polling period w/o sleeping, to allow the FW to
183	 * complete the ramrod and thus possibly to avoid the following sleeps.
184	 */
185	if (!skip_quick_poll) {
186		rc = __ecore_spq_block(p_hwfn, p_ent, p_fw_ret, false);
187		if (rc == ECORE_SUCCESS)
188			return ECORE_SUCCESS;
189	}
190
191	/* Move to polling with a sleeping period between iterations */
192	rc = __ecore_spq_block(p_hwfn, p_ent, p_fw_ret, true);
193	if (rc == ECORE_SUCCESS)
194		return ECORE_SUCCESS;
195
196	p_ptt = ecore_ptt_acquire(p_hwfn);
197	if (!p_ptt)
198		return ECORE_AGAIN;
199
200	DP_INFO(p_hwfn, "Ramrod is stuck, requesting MCP drain\n");
201	rc = ecore_mcp_drain(p_hwfn, p_ptt);
202	ecore_ptt_release(p_hwfn, p_ptt);
203	if (rc != ECORE_SUCCESS) {
204		DP_NOTICE(p_hwfn, true, "MCP drain failed\n");
205		goto err;
206	}
207
208	/* Retry after drain */
209	rc = __ecore_spq_block(p_hwfn, p_ent, p_fw_ret, true);
210	if (rc == ECORE_SUCCESS)
211		return ECORE_SUCCESS;
212
213	comp_done = (struct ecore_spq_comp_done *)p_ent->comp_cb.cookie;
214	if (comp_done->done == 1) {
215		if (p_fw_ret)
216			*p_fw_ret = comp_done->fw_return_code;
217		return ECORE_SUCCESS;
218	}
219err:
220	DP_NOTICE(p_hwfn, true,
221		  "Ramrod is stuck [CID %08x cmd %02x protocol %02x echo %04x]\n",
222		  OSAL_LE32_TO_CPU(p_ent->elem.hdr.cid),
223		  p_ent->elem.hdr.cmd_id, p_ent->elem.hdr.protocol_id,
224		  OSAL_LE16_TO_CPU(p_ent->elem.hdr.echo));
225
226	ecore_hw_err_notify(p_hwfn, ECORE_HW_ERR_RAMROD_FAIL);
227
228	return ECORE_BUSY;
229}
230
231/***************************************************************************
232 * SPQ entries inner API
233 ***************************************************************************/
234static enum _ecore_status_t ecore_spq_fill_entry(struct ecore_hwfn *p_hwfn,
235						 struct ecore_spq_entry *p_ent)
236{
237	p_ent->flags = 0;
238
239	switch (p_ent->comp_mode) {
240	case ECORE_SPQ_MODE_EBLOCK:
241	case ECORE_SPQ_MODE_BLOCK:
242		p_ent->comp_cb.function = ecore_spq_blocking_cb;
243		break;
244	case ECORE_SPQ_MODE_CB:
245		break;
246	default:
247		DP_NOTICE(p_hwfn, true, "Unknown SPQE completion mode %d\n",
248			  p_ent->comp_mode);
249		return ECORE_INVAL;
250	}
251
252	DP_VERBOSE(p_hwfn, ECORE_MSG_SPQ,
253		   "Ramrod header: [CID 0x%08x CMD 0x%02x protocol 0x%02x] Data pointer: [%08x:%08x] Completion Mode: %s\n",
254		   p_ent->elem.hdr.cid, p_ent->elem.hdr.cmd_id,
255		   p_ent->elem.hdr.protocol_id,
256		   p_ent->elem.data_ptr.hi, p_ent->elem.data_ptr.lo,
257		   D_TRINE(p_ent->comp_mode, ECORE_SPQ_MODE_EBLOCK,
258			   ECORE_SPQ_MODE_BLOCK, "MODE_EBLOCK", "MODE_BLOCK",
259			   "MODE_CB"));
260
261	return ECORE_SUCCESS;
262}
263
264/***************************************************************************
265 * HSI access
266 ***************************************************************************/
267static void ecore_spq_hw_initialize(struct ecore_hwfn *p_hwfn,
268				    struct ecore_spq  *p_spq)
269{
270	struct e4_core_conn_context *p_cxt;
271	struct ecore_cxt_info cxt_info;
272	u16 physical_q;
273	enum _ecore_status_t rc;
274
275	cxt_info.iid = p_spq->cid;
276
277	rc = ecore_cxt_get_cid_info(p_hwfn, &cxt_info);
278
279	if (rc < 0) {
280		DP_NOTICE(p_hwfn, true, "Cannot find context info for cid=%d\n",
281			  p_spq->cid);
282		return;
283	}
284
285	p_cxt = cxt_info.p_cxt;
286
287	/* @@@TBD we zero the context until we have ilt_reset implemented. */
288	OSAL_MEM_ZERO(p_cxt, sizeof(*p_cxt));
289
290	if (ECORE_IS_BB(p_hwfn->p_dev) || ECORE_IS_AH(p_hwfn->p_dev)) {
291		SET_FIELD(p_cxt->xstorm_ag_context.flags10,
292			  E4_XSTORM_CORE_CONN_AG_CTX_DQ_CF_EN, 1);
293		SET_FIELD(p_cxt->xstorm_ag_context.flags1,
294			  E4_XSTORM_CORE_CONN_AG_CTX_DQ_CF_ACTIVE, 1);
295		/*SET_FIELD(p_cxt->xstorm_ag_context.flags10,
296			  E4_XSTORM_CORE_CONN_AG_CTX_SLOW_PATH_EN, 1);*/
297		SET_FIELD(p_cxt->xstorm_ag_context.flags9,
298			  E4_XSTORM_CORE_CONN_AG_CTX_CONSOLID_PROD_CF_EN, 1);
299	} else { /* E5 */
300		ECORE_E5_MISSING_CODE;
301	}
302
303	/* CDU validation - FIXME currently disabled */
304
305	/* QM physical queue */
306	physical_q = ecore_get_cm_pq_idx(p_hwfn, PQ_FLAGS_LB);
307	p_cxt->xstorm_ag_context.physical_q0 = OSAL_CPU_TO_LE16(physical_q);
308
309	p_cxt->xstorm_st_context.spq_base_lo =
310		DMA_LO_LE(p_spq->chain.p_phys_addr);
311	p_cxt->xstorm_st_context.spq_base_hi =
312		DMA_HI_LE(p_spq->chain.p_phys_addr);
313
314	DMA_REGPAIR_LE(p_cxt->xstorm_st_context.consolid_base_addr,
315		       p_hwfn->p_consq->chain.p_phys_addr);
316}
317
318static enum _ecore_status_t ecore_spq_hw_post(struct ecore_hwfn		*p_hwfn,
319					      struct ecore_spq		*p_spq,
320					      struct ecore_spq_entry	*p_ent)
321{
322	struct ecore_chain *p_chain = &p_hwfn->p_spq->chain;
323	struct core_db_data *p_db_data = &p_spq->db_data;
324	u16 echo = ecore_chain_get_prod_idx(p_chain);
325	struct slow_path_element *elem;
326
327	p_ent->elem.hdr.echo = OSAL_CPU_TO_LE16(echo);
328	elem = ecore_chain_produce(p_chain);
329	if (!elem) {
330		DP_NOTICE(p_hwfn, true, "Failed to produce from SPQ chain\n");
331		return ECORE_INVAL;
332	}
333
334	*elem = p_ent->elem; /* Struct assignment */
335
336	p_db_data->spq_prod =
337		OSAL_CPU_TO_LE16(ecore_chain_get_prod_idx(p_chain));
338
339	/* Make sure the SPQE is updated before the doorbell */
340	OSAL_WMB(p_hwfn->p_dev);
341
342	DOORBELL(p_hwfn, p_spq->db_addr_offset, *(u32 *)p_db_data);
343
344	/* Make sure doorbell was rung */
345	OSAL_WMB(p_hwfn->p_dev);
346
347	DP_VERBOSE(p_hwfn, ECORE_MSG_SPQ,
348		   "Doorbelled [0x%08x, CID 0x%08x] with Flags: %02x agg_params: %02x, prod: %04x\n",
349		   p_spq->db_addr_offset, p_spq->cid, p_db_data->params,
350		   p_db_data->agg_flags, ecore_chain_get_prod_idx(p_chain));
351
352	return ECORE_SUCCESS;
353}
354
355/***************************************************************************
356 * Asynchronous events
357 ***************************************************************************/
358
359static enum _ecore_status_t
360ecore_async_event_completion(struct ecore_hwfn *p_hwfn,
361			     struct event_ring_entry *p_eqe)
362{
363	ecore_spq_async_comp_cb cb;
364
365	if (!p_hwfn->p_spq || (p_eqe->protocol_id >= MAX_PROTOCOL_TYPE)) {
366		return ECORE_INVAL;
367	}
368
369	cb = p_hwfn->p_spq->async_comp_cb[p_eqe->protocol_id];
370	if (cb) {
371		return cb(p_hwfn, p_eqe->opcode, p_eqe->echo,
372			  &p_eqe->data, p_eqe->fw_return_code);
373	} else {
374		DP_NOTICE(p_hwfn,
375			  true, "Unknown Async completion for protocol: %d\n",
376			  p_eqe->protocol_id);
377		return ECORE_INVAL;
378	}
379}
380
381enum _ecore_status_t
382ecore_spq_register_async_cb(struct ecore_hwfn *p_hwfn,
383			    enum protocol_type protocol_id,
384			    ecore_spq_async_comp_cb cb)
385{
386	if (!p_hwfn->p_spq || (protocol_id >= MAX_PROTOCOL_TYPE)) {
387		return ECORE_INVAL;
388	}
389
390	p_hwfn->p_spq->async_comp_cb[protocol_id] = cb;
391	return ECORE_SUCCESS;
392}
393
394void
395ecore_spq_unregister_async_cb(struct ecore_hwfn *p_hwfn,
396			      enum protocol_type protocol_id)
397{
398	if (!p_hwfn->p_spq || (protocol_id >= MAX_PROTOCOL_TYPE)) {
399		return;
400	}
401
402	p_hwfn->p_spq->async_comp_cb[protocol_id] = OSAL_NULL;
403}
404
405/***************************************************************************
406 * EQ API
407 ***************************************************************************/
408void ecore_eq_prod_update(struct ecore_hwfn	*p_hwfn,
409			  u16			prod)
410{
411	u32 addr = GTT_BAR0_MAP_REG_USDM_RAM +
412		USTORM_EQE_CONS_OFFSET(p_hwfn->rel_pf_id);
413
414	REG_WR16(p_hwfn, addr, prod);
415
416	/* keep prod updates ordered */
417	OSAL_MMIOWB(p_hwfn->p_dev);
418}
419
420enum _ecore_status_t ecore_eq_completion(struct ecore_hwfn	*p_hwfn,
421					 void                   *cookie)
422
423{
424	struct ecore_eq    *p_eq    = cookie;
425	struct ecore_chain *p_chain = &p_eq->chain;
426	enum _ecore_status_t rc = 0;
427
428	/* take a snapshot of the FW consumer */
429	u16 fw_cons_idx = OSAL_LE16_TO_CPU(*p_eq->p_fw_cons);
430
431	DP_VERBOSE(p_hwfn, ECORE_MSG_SPQ, "fw_cons_idx %x\n", fw_cons_idx);
432
433	/* Need to guarantee the fw_cons index we use points to a usuable
434	 * element (to comply with our chain), so our macros would comply
435	 */
436	if ((fw_cons_idx & ecore_chain_get_usable_per_page(p_chain)) ==
437	    ecore_chain_get_usable_per_page(p_chain)) {
438		fw_cons_idx += ecore_chain_get_unusable_per_page(p_chain);
439	}
440
441	/* Complete current segment of eq entries */
442	while (fw_cons_idx != ecore_chain_get_cons_idx(p_chain)) {
443		struct event_ring_entry *p_eqe = ecore_chain_consume(p_chain);
444		if (!p_eqe) {
445			rc = ECORE_INVAL;
446			break;
447		}
448
449		DP_VERBOSE(p_hwfn,
450			   ECORE_MSG_SPQ,
451			   "op %x prot %x res0 %x echo %x fwret %x flags %x\n",
452			   p_eqe->opcode,	     /* Event Opcode */
453			   p_eqe->protocol_id,	     /* Event Protocol ID */
454			   p_eqe->reserved0,	     /* Reserved */
455			   OSAL_LE16_TO_CPU(p_eqe->echo),/* Echo value from
456							ramrod data on the host
457						      */
458			   p_eqe->fw_return_code,    /* FW return code for SP
459							ramrods
460						      */
461			   p_eqe->flags);
462#ifndef REMOVE_DBG
463		if (p_eqe->protocol_id == PROTOCOLID_ISCSI)
464			ecore_iscsi_eq_dump(p_hwfn, p_eqe);
465#endif
466
467		if (GET_FIELD(p_eqe->flags, EVENT_RING_ENTRY_ASYNC)) {
468			if (ecore_async_event_completion(p_hwfn, p_eqe))
469				rc = ECORE_INVAL;
470		} else if (ecore_spq_completion(p_hwfn,
471						p_eqe->echo,
472						p_eqe->fw_return_code,
473						&p_eqe->data)) {
474			rc = ECORE_INVAL;
475		}
476
477		ecore_chain_recycle_consumed(p_chain);
478	}
479
480	ecore_eq_prod_update(p_hwfn, ecore_chain_get_prod_idx(p_chain));
481
482	/* Attempt to post pending requests */
483	OSAL_SPIN_LOCK(&p_hwfn->p_spq->lock);
484	rc = ecore_spq_pend_post(p_hwfn);
485	OSAL_SPIN_UNLOCK(&p_hwfn->p_spq->lock);
486
487	return rc;
488}
489
490enum _ecore_status_t ecore_eq_alloc(struct ecore_hwfn *p_hwfn, u16 num_elem)
491{
492	struct ecore_eq	*p_eq;
493
494	/* Allocate EQ struct */
495	p_eq = OSAL_ZALLOC(p_hwfn->p_dev, GFP_KERNEL, sizeof(*p_eq));
496	if (!p_eq) {
497		DP_NOTICE(p_hwfn, false,
498			  "Failed to allocate `struct ecore_eq'\n");
499		return ECORE_NOMEM;
500	}
501
502	/* Allocate and initialize EQ chain*/
503	if (ecore_chain_alloc(p_hwfn->p_dev,
504			      ECORE_CHAIN_USE_TO_PRODUCE,
505			      ECORE_CHAIN_MODE_PBL,
506			      ECORE_CHAIN_CNT_TYPE_U16,
507			      num_elem,
508			      sizeof(union event_ring_element),
509			      &p_eq->chain, OSAL_NULL) != ECORE_SUCCESS) {
510		DP_NOTICE(p_hwfn, false, "Failed to allocate eq chain\n");
511		goto eq_allocate_fail;
512	}
513
514	/* register EQ completion on the SP SB */
515	ecore_int_register_cb(p_hwfn, ecore_eq_completion,
516			      p_eq, &p_eq->eq_sb_index, &p_eq->p_fw_cons);
517
518	p_hwfn->p_eq = p_eq;
519	return ECORE_SUCCESS;
520
521eq_allocate_fail:
522	OSAL_FREE(p_hwfn->p_dev, p_eq);
523	return ECORE_NOMEM;
524}
525
526void ecore_eq_setup(struct ecore_hwfn *p_hwfn)
527{
528	ecore_chain_reset(&p_hwfn->p_eq->chain);
529}
530
531void ecore_eq_free(struct ecore_hwfn *p_hwfn)
532{
533	if (!p_hwfn->p_eq)
534		return;
535
536	ecore_chain_free(p_hwfn->p_dev, &p_hwfn->p_eq->chain);
537
538	OSAL_FREE(p_hwfn->p_dev, p_hwfn->p_eq);
539	p_hwfn->p_eq = OSAL_NULL;
540}
541
542/***************************************************************************
543* CQE API - manipulate EQ functionallity
544***************************************************************************/
545static enum _ecore_status_t ecore_cqe_completion(struct ecore_hwfn *p_hwfn,
546						 struct eth_slow_path_rx_cqe *cqe,
547						 enum protocol_type protocol)
548{
549	if (IS_VF(p_hwfn->p_dev))
550		return OSAL_VF_CQE_COMPLETION(p_hwfn, cqe, protocol);
551
552	/* @@@tmp - it's possible we'll eventually want to handle some
553	 * actual commands that can arrive here, but for now this is only
554	 * used to complete the ramrod using the echo value on the cqe
555	 */
556	return ecore_spq_completion(p_hwfn, cqe->echo, 0, OSAL_NULL);
557}
558
559enum _ecore_status_t ecore_eth_cqe_completion(struct ecore_hwfn *p_hwfn,
560					      struct eth_slow_path_rx_cqe *cqe)
561{
562	enum _ecore_status_t rc;
563
564	rc = ecore_cqe_completion(p_hwfn, cqe, PROTOCOLID_ETH);
565	if (rc) {
566		DP_NOTICE(p_hwfn, true,
567			  "Failed to handle RXQ CQE [cmd 0x%02x]\n",
568			  cqe->ramrod_cmd_id);
569	}
570
571	return rc;
572}
573
574/***************************************************************************
575 * Slow hwfn Queue (spq)
576 ***************************************************************************/
577void ecore_spq_setup(struct ecore_hwfn *p_hwfn)
578{
579	struct ecore_spq *p_spq = p_hwfn->p_spq;
580	struct ecore_spq_entry *p_virt = OSAL_NULL;
581	struct core_db_data *p_db_data;
582	void OSAL_IOMEM *db_addr;
583	dma_addr_t p_phys = 0;
584	u32 i, capacity;
585	enum _ecore_status_t rc;
586
587	OSAL_LIST_INIT(&p_spq->pending);
588	OSAL_LIST_INIT(&p_spq->completion_pending);
589	OSAL_LIST_INIT(&p_spq->free_pool);
590	OSAL_LIST_INIT(&p_spq->unlimited_pending);
591	OSAL_SPIN_LOCK_INIT(&p_spq->lock);
592
593	/* SPQ empty pool */
594	p_phys = p_spq->p_phys + OFFSETOF(struct ecore_spq_entry, ramrod);
595	p_virt = p_spq->p_virt;
596
597	capacity = ecore_chain_get_capacity(&p_spq->chain);
598	for (i = 0; i < capacity; i++) {
599		DMA_REGPAIR_LE(p_virt->elem.data_ptr, p_phys);
600
601		OSAL_LIST_PUSH_TAIL(&p_virt->list, &p_spq->free_pool);
602
603		p_virt++;
604		p_phys += sizeof(struct ecore_spq_entry);
605	}
606
607	/* Statistics */
608	p_spq->normal_count		= 0;
609	p_spq->comp_count		= 0;
610	p_spq->comp_sent_count		= 0;
611	p_spq->unlimited_pending_count	= 0;
612
613	OSAL_MEM_ZERO(p_spq->p_comp_bitmap,
614		      SPQ_COMP_BMAP_SIZE * sizeof(unsigned long));
615	p_spq->comp_bitmap_idx = 0;
616
617	/* SPQ cid, cannot fail */
618	ecore_cxt_acquire_cid(p_hwfn, PROTOCOLID_CORE, &p_spq->cid);
619	ecore_spq_hw_initialize(p_hwfn, p_spq);
620
621	/* reset the chain itself */
622	ecore_chain_reset(&p_spq->chain);
623
624	/* Initialize the address/data of the SPQ doorbell */
625	p_spq->db_addr_offset = DB_ADDR(p_spq->cid, DQ_DEMS_LEGACY);
626	p_db_data = &p_spq->db_data;
627	OSAL_MEM_ZERO(p_db_data, sizeof(*p_db_data));
628	SET_FIELD(p_db_data->params, CORE_DB_DATA_DEST, DB_DEST_XCM);
629	SET_FIELD(p_db_data->params, CORE_DB_DATA_AGG_CMD, DB_AGG_CMD_MAX);
630	SET_FIELD(p_db_data->params, CORE_DB_DATA_AGG_VAL_SEL,
631		  DQ_XCM_CORE_SPQ_PROD_CMD);
632	p_db_data->agg_flags = DQ_XCM_CORE_DQ_CF_CMD;
633
634	/* Register the SPQ doorbell with the doorbell recovery mechanism */
635	db_addr = (void *)((u8 *)p_hwfn->doorbells + p_spq->db_addr_offset);
636	rc = ecore_db_recovery_add(p_hwfn->p_dev, db_addr, &p_spq->db_data,
637				   DB_REC_WIDTH_32B, DB_REC_KERNEL);
638	if (rc != ECORE_SUCCESS)
639		DP_INFO(p_hwfn,
640			"Failed to register the SPQ doorbell with the doorbell recovery mechanism\n");
641}
642
643enum _ecore_status_t ecore_spq_alloc(struct ecore_hwfn *p_hwfn)
644{
645	struct ecore_spq_entry *p_virt = OSAL_NULL;
646	struct ecore_spq *p_spq = OSAL_NULL;
647	dma_addr_t p_phys = 0;
648	u32 capacity;
649
650	/* SPQ struct */
651	p_spq =
652	    OSAL_ZALLOC(p_hwfn->p_dev, GFP_KERNEL, sizeof(struct ecore_spq));
653	if (!p_spq) {
654		DP_NOTICE(p_hwfn, false, "Failed to allocate `struct ecore_spq'\n");
655		return ECORE_NOMEM;
656	}
657
658	/* SPQ ring  */
659	if (ecore_chain_alloc(p_hwfn->p_dev,
660			      ECORE_CHAIN_USE_TO_PRODUCE,
661			      ECORE_CHAIN_MODE_SINGLE,
662			      ECORE_CHAIN_CNT_TYPE_U16,
663			      0, /* N/A when the mode is SINGLE */
664			      sizeof(struct slow_path_element),
665			      &p_spq->chain, OSAL_NULL)) {
666		DP_NOTICE(p_hwfn, false, "Failed to allocate spq chain\n");
667		goto spq_allocate_fail;
668	}
669
670	/* allocate and fill the SPQ elements (incl. ramrod data list) */
671	capacity = ecore_chain_get_capacity(&p_spq->chain);
672	p_virt = OSAL_DMA_ALLOC_COHERENT(p_hwfn->p_dev, &p_phys,
673					 capacity *
674					 sizeof(struct ecore_spq_entry));
675	if (!p_virt) {
676		goto spq_allocate_fail;
677	}
678
679	p_spq->p_virt = p_virt;
680	p_spq->p_phys = p_phys;
681
682#ifdef CONFIG_ECORE_LOCK_ALLOC
683	if (OSAL_SPIN_LOCK_ALLOC(p_hwfn, &p_spq->lock))
684		goto spq_allocate_fail;
685#endif
686
687	p_hwfn->p_spq = p_spq;
688	return ECORE_SUCCESS;
689
690spq_allocate_fail:
691	ecore_chain_free(p_hwfn->p_dev, &p_spq->chain);
692	OSAL_FREE(p_hwfn->p_dev, p_spq);
693	return ECORE_NOMEM;
694}
695
696void ecore_spq_free(struct ecore_hwfn *p_hwfn)
697{
698	struct ecore_spq *p_spq = p_hwfn->p_spq;
699	void OSAL_IOMEM *db_addr;
700	u32 capacity;
701
702	if (!p_spq)
703		return;
704
705	/* Delete the SPQ doorbell from the doorbell recovery mechanism */
706	db_addr = (void *)((u8 *)p_hwfn->doorbells + p_spq->db_addr_offset);
707	ecore_db_recovery_del(p_hwfn->p_dev, db_addr, &p_spq->db_data);
708
709	if (p_spq->p_virt) {
710		capacity = ecore_chain_get_capacity(&p_spq->chain);
711		OSAL_DMA_FREE_COHERENT(p_hwfn->p_dev,
712				       p_spq->p_virt,
713				       p_spq->p_phys,
714				       capacity *
715				       sizeof(struct ecore_spq_entry));
716	}
717
718	ecore_chain_free(p_hwfn->p_dev, &p_spq->chain);
719#ifdef CONFIG_ECORE_LOCK_ALLOC
720	OSAL_SPIN_LOCK_DEALLOC(&p_spq->lock);
721#endif
722
723	OSAL_FREE(p_hwfn->p_dev, p_spq);
724	p_hwfn->p_spq = OSAL_NULL;
725}
726
727enum _ecore_status_t ecore_spq_get_entry(struct ecore_hwfn *p_hwfn,
728					 struct ecore_spq_entry **pp_ent)
729{
730	struct ecore_spq *p_spq = p_hwfn->p_spq;
731	struct ecore_spq_entry *p_ent = OSAL_NULL;
732	enum _ecore_status_t rc = ECORE_SUCCESS;
733
734	OSAL_SPIN_LOCK(&p_spq->lock);
735
736	if (OSAL_LIST_IS_EMPTY(&p_spq->free_pool)) {
737		p_ent = OSAL_ZALLOC(p_hwfn->p_dev, GFP_ATOMIC, sizeof(*p_ent));
738		if (!p_ent) {
739			DP_NOTICE(p_hwfn, false, "Failed to allocate an SPQ entry for a pending ramrod\n");
740			rc = ECORE_NOMEM;
741			goto out_unlock;
742		}
743		p_ent->queue = &p_spq->unlimited_pending;
744	} else {
745		p_ent = OSAL_LIST_FIRST_ENTRY(&p_spq->free_pool,
746					      struct ecore_spq_entry,
747					      list);
748		OSAL_LIST_REMOVE_ENTRY(&p_ent->list, &p_spq->free_pool);
749		p_ent->queue = &p_spq->pending;
750	}
751
752	*pp_ent = p_ent;
753
754out_unlock:
755	OSAL_SPIN_UNLOCK(&p_spq->lock);
756	return rc;
757}
758
759/* Locked variant; Should be called while the SPQ lock is taken */
760static void __ecore_spq_return_entry(struct ecore_hwfn *p_hwfn,
761			      struct ecore_spq_entry *p_ent)
762{
763	OSAL_LIST_PUSH_TAIL(&p_ent->list, &p_hwfn->p_spq->free_pool);
764}
765
766void ecore_spq_return_entry(struct ecore_hwfn *p_hwfn,
767			    struct ecore_spq_entry *p_ent)
768{
769	OSAL_SPIN_LOCK(&p_hwfn->p_spq->lock);
770	__ecore_spq_return_entry(p_hwfn, p_ent);
771	OSAL_SPIN_UNLOCK(&p_hwfn->p_spq->lock);
772}
773
774/**
775 * @brief ecore_spq_add_entry - adds a new entry to the pending
776 *        list. Should be used while lock is being held.
777 *
778 * Addes an entry to the pending list is there is room (en empty
779 * element is avaliable in the free_pool), or else places the
780 * entry in the unlimited_pending pool.
781 *
782 * @param p_hwfn
783 * @param p_ent
784 * @param priority
785 *
786 * @return enum _ecore_status_t
787 */
788static enum _ecore_status_t ecore_spq_add_entry(struct ecore_hwfn *p_hwfn,
789						struct ecore_spq_entry *p_ent,
790						enum spq_priority priority)
791{
792	struct ecore_spq	*p_spq	= p_hwfn->p_spq;
793
794	if (p_ent->queue == &p_spq->unlimited_pending) {
795		if (OSAL_LIST_IS_EMPTY(&p_spq->free_pool)) {
796			OSAL_LIST_PUSH_TAIL(&p_ent->list,
797					    &p_spq->unlimited_pending);
798			p_spq->unlimited_pending_count++;
799
800			return ECORE_SUCCESS;
801
802		} else {
803			struct ecore_spq_entry *p_en2;
804
805			p_en2 = OSAL_LIST_FIRST_ENTRY(&p_spq->free_pool,
806						     struct ecore_spq_entry,
807						     list);
808			OSAL_LIST_REMOVE_ENTRY(&p_en2->list, &p_spq->free_pool);
809
810			/* Copy the ring element physical pointer to the new
811			 * entry, since we are about to override the entire ring
812			 * entry and don't want to lose the pointer.
813			 */
814			p_ent->elem.data_ptr = p_en2->elem.data_ptr;
815
816			*p_en2 = *p_ent;
817
818			/* EBLOCK responsible to free the allocated p_ent */
819			if (p_ent->comp_mode != ECORE_SPQ_MODE_EBLOCK)
820				OSAL_FREE(p_hwfn->p_dev, p_ent);
821
822			p_ent = p_en2;
823		}
824	}
825
826	/* entry is to be placed in 'pending' queue */
827	switch (priority) {
828	case ECORE_SPQ_PRIORITY_NORMAL:
829		OSAL_LIST_PUSH_TAIL(&p_ent->list, &p_spq->pending);
830		p_spq->normal_count++;
831		break;
832	case ECORE_SPQ_PRIORITY_HIGH:
833		OSAL_LIST_PUSH_HEAD(&p_ent->list, &p_spq->pending);
834		p_spq->high_count++;
835		break;
836	default:
837		return ECORE_INVAL;
838	}
839
840	return ECORE_SUCCESS;
841}
842
843/***************************************************************************
844 * Accessor
845 ***************************************************************************/
846
847u32 ecore_spq_get_cid(struct ecore_hwfn *p_hwfn)
848{
849	if (!p_hwfn->p_spq) {
850		return 0xffffffff;	/* illegal */
851	}
852	return p_hwfn->p_spq->cid;
853}
854
855/***************************************************************************
856 * Posting new Ramrods
857 ***************************************************************************/
858
859static enum _ecore_status_t ecore_spq_post_list(struct ecore_hwfn *p_hwfn,
860						osal_list_t	  *head,
861						u32		  keep_reserve)
862{
863	struct ecore_spq	*p_spq = p_hwfn->p_spq;
864	enum _ecore_status_t	rc;
865
866	/* TODO - implementation might be wasteful; will always keep room
867	 * for an additional high priority ramrod (even if one is already
868	 * pending FW)
869	 */
870	while (ecore_chain_get_elem_left(&p_spq->chain) > keep_reserve &&
871	       !OSAL_LIST_IS_EMPTY(head)) {
872		struct ecore_spq_entry  *p_ent =
873		    OSAL_LIST_FIRST_ENTRY(head, struct ecore_spq_entry, list);
874		if (p_ent != OSAL_NULL) {
875#if defined(_NTDDK_)
876#pragma warning(suppress : 6011 28182)
877#endif
878			OSAL_LIST_REMOVE_ENTRY(&p_ent->list, head);
879			OSAL_LIST_PUSH_TAIL(&p_ent->list, &p_spq->completion_pending);
880			p_spq->comp_sent_count++;
881
882			rc = ecore_spq_hw_post(p_hwfn, p_spq, p_ent);
883			if (rc) {
884				OSAL_LIST_REMOVE_ENTRY(&p_ent->list,
885									&p_spq->completion_pending);
886				__ecore_spq_return_entry(p_hwfn, p_ent);
887				return rc;
888			}
889		}
890	}
891
892	return ECORE_SUCCESS;
893}
894
895enum _ecore_status_t ecore_spq_pend_post(struct ecore_hwfn *p_hwfn)
896{
897	struct ecore_spq *p_spq = p_hwfn->p_spq;
898	struct ecore_spq_entry *p_ent = OSAL_NULL;
899
900	while (!OSAL_LIST_IS_EMPTY(&p_spq->free_pool))
901	{
902		if (OSAL_LIST_IS_EMPTY(&p_spq->unlimited_pending))
903			break;
904
905		p_ent = OSAL_LIST_FIRST_ENTRY(&p_spq->unlimited_pending,
906					      struct ecore_spq_entry,
907					      list);
908		if (!p_ent)
909			return ECORE_INVAL;
910
911#if defined(_NTDDK_)
912#pragma warning(suppress : 6011)
913#endif
914		OSAL_LIST_REMOVE_ENTRY(&p_ent->list, &p_spq->unlimited_pending);
915
916		ecore_spq_add_entry(p_hwfn, p_ent, p_ent->priority);
917	}
918
919	return ecore_spq_post_list(p_hwfn, &p_spq->pending,
920				   SPQ_HIGH_PRI_RESERVE_DEFAULT);
921}
922
923enum _ecore_status_t ecore_spq_post(struct ecore_hwfn		*p_hwfn,
924				    struct ecore_spq_entry	*p_ent,
925				    u8                          *fw_return_code)
926{
927	enum _ecore_status_t	rc = ECORE_SUCCESS;
928	struct ecore_spq	*p_spq = p_hwfn ? p_hwfn->p_spq : OSAL_NULL;
929	bool			b_ret_ent = true;
930
931	if (!p_hwfn)
932		return ECORE_INVAL;
933
934	if (!p_ent) {
935		DP_NOTICE(p_hwfn, true, "Got a NULL pointer\n");
936		return ECORE_INVAL;
937	}
938
939	if (p_hwfn->p_dev->recov_in_prog) {
940		DP_VERBOSE(p_hwfn, ECORE_MSG_SPQ,
941			   "Recovery is in progress -> skip spq post [cmd %02x protocol %02x]\n",
942			   p_ent->elem.hdr.cmd_id, p_ent->elem.hdr.protocol_id);
943		/* Return success to let the flows to be completed successfully
944		 * w/o any error handling.
945		 */
946		return ECORE_SUCCESS;
947	}
948
949	OSAL_SPIN_LOCK(&p_spq->lock);
950
951	/* Complete the entry */
952	rc = ecore_spq_fill_entry(p_hwfn, p_ent);
953
954	/* Check return value after LOCK is taken for cleaner error flow */
955	if (rc)
956		goto spq_post_fail;
957
958	/* Add the request to the pending queue */
959	rc = ecore_spq_add_entry(p_hwfn, p_ent, p_ent->priority);
960	if (rc)
961		goto spq_post_fail;
962
963	rc = ecore_spq_pend_post(p_hwfn);
964	if (rc) {
965		/* Since it's possible that pending failed for a different
966		 * entry [although unlikely], the failed entry was already
967		 * dealt with; No need to return it here.
968		 */
969		b_ret_ent = false;
970		goto spq_post_fail;
971	}
972
973	OSAL_SPIN_UNLOCK(&p_spq->lock);
974
975	if (p_ent->comp_mode == ECORE_SPQ_MODE_EBLOCK) {
976		/* For entries in ECORE BLOCK mode, the completion code cannot
977		 * perform the necessary cleanup - if it did, we couldn't
978		 * access p_ent here to see whether it's successful or not.
979		 * Thus, after gaining the answer perform the cleanup here.
980		 */
981		rc = ecore_spq_block(p_hwfn, p_ent, fw_return_code,
982				     p_ent->queue == &p_spq->unlimited_pending);
983
984		if (p_ent->queue == &p_spq->unlimited_pending) {
985			/* This is an allocated p_ent which does not need to
986			 * return to pool.
987			 */
988			OSAL_FREE(p_hwfn->p_dev, p_ent);
989
990			/* TBD: handle error flow and remove p_ent from
991			 * completion pending
992			 */
993			return rc;
994		}
995
996		if (rc)
997			goto spq_post_fail2;
998
999		/* return to pool */
1000		ecore_spq_return_entry(p_hwfn, p_ent);
1001	}
1002	return rc;
1003
1004spq_post_fail2:
1005	OSAL_SPIN_LOCK(&p_spq->lock);
1006	OSAL_LIST_REMOVE_ENTRY(&p_ent->list, &p_spq->completion_pending);
1007	ecore_chain_return_produced(&p_spq->chain);
1008
1009spq_post_fail:
1010	/* return to the free pool */
1011	if (b_ret_ent)
1012		__ecore_spq_return_entry(p_hwfn, p_ent);
1013	OSAL_SPIN_UNLOCK(&p_spq->lock);
1014
1015	return rc;
1016}
1017
1018enum _ecore_status_t ecore_spq_completion(struct ecore_hwfn *p_hwfn,
1019					  __le16 echo,
1020					  u8 fw_return_code,
1021					  union event_ring_data	*p_data)
1022{
1023	struct ecore_spq	*p_spq;
1024	struct ecore_spq_entry	*p_ent = OSAL_NULL;
1025	struct ecore_spq_entry	*tmp;
1026	struct ecore_spq_entry	*found = OSAL_NULL;
1027
1028	if (!p_hwfn) {
1029		return ECORE_INVAL;
1030	}
1031
1032	p_spq = p_hwfn->p_spq;
1033	if (!p_spq) {
1034		return ECORE_INVAL;
1035	}
1036
1037	OSAL_SPIN_LOCK(&p_spq->lock);
1038	OSAL_LIST_FOR_EACH_ENTRY_SAFE(p_ent,
1039				      tmp,
1040				      &p_spq->completion_pending,
1041				      list,
1042				      struct ecore_spq_entry) {
1043		if (p_ent->elem.hdr.echo == echo) {
1044			OSAL_LIST_REMOVE_ENTRY(&p_ent->list,
1045					       &p_spq->completion_pending);
1046
1047			/* Avoid overriding of SPQ entries when getting
1048			 * out-of-order completions, by marking the completions
1049			 * in a bitmap and increasing the chain consumer only
1050			 * for the first successive completed entries.
1051			 */
1052			SPQ_COMP_BMAP_SET_BIT(p_spq, echo);
1053			while (SPQ_COMP_BMAP_TEST_BIT(p_spq,
1054						      p_spq->comp_bitmap_idx)) {
1055				SPQ_COMP_BMAP_CLEAR_BIT(p_spq,
1056							p_spq->comp_bitmap_idx);
1057				p_spq->comp_bitmap_idx++;
1058				ecore_chain_return_produced(&p_spq->chain);
1059			}
1060
1061			p_spq->comp_count++;
1062			found = p_ent;
1063			break;
1064		}
1065
1066		/* This is debug and should be relatively uncommon - depends
1067		 * on scenarios which have mutliple per-PF sent ramrods.
1068		 */
1069		DP_VERBOSE(p_hwfn, ECORE_MSG_SPQ,
1070			   "Got completion for echo %04x - doesn't match echo %04x in completion pending list\n",
1071			   OSAL_LE16_TO_CPU(echo),
1072			   OSAL_LE16_TO_CPU(p_ent->elem.hdr.echo));
1073	}
1074
1075	/* Release lock before callback, as callback may post
1076	 * an additional ramrod.
1077	 */
1078	OSAL_SPIN_UNLOCK(&p_spq->lock);
1079
1080	if (!found) {
1081		DP_NOTICE(p_hwfn, true,
1082			  "Failed to find an entry this EQE [echo %04x] completes\n",
1083			  OSAL_LE16_TO_CPU(echo));
1084		return ECORE_EXISTS;
1085	}
1086
1087	DP_VERBOSE(p_hwfn, ECORE_MSG_SPQ,
1088		   "Complete EQE [echo %04x]: func %p cookie %p)\n",
1089		   OSAL_LE16_TO_CPU(echo),
1090		   p_ent->comp_cb.function, p_ent->comp_cb.cookie);
1091	if (found->comp_cb.function)
1092		found->comp_cb.function(p_hwfn, found->comp_cb.cookie, p_data,
1093					fw_return_code);
1094	else
1095		DP_VERBOSE(p_hwfn, ECORE_MSG_SPQ, "Got a completion without a callback function\n");
1096
1097	if ((found->comp_mode != ECORE_SPQ_MODE_EBLOCK) ||
1098	    (found->queue == &p_spq->unlimited_pending))
1099		/* EBLOCK  is responsible for returning its own entry into the
1100		 * free list, unless it originally added the entry into the
1101		 * unlimited pending list.
1102		 */
1103		ecore_spq_return_entry(p_hwfn, found);
1104
1105	return ECORE_SUCCESS;
1106}
1107
1108enum _ecore_status_t ecore_consq_alloc(struct ecore_hwfn *p_hwfn)
1109{
1110	struct ecore_consq *p_consq;
1111
1112	/* Allocate ConsQ struct */
1113	p_consq = OSAL_ZALLOC(p_hwfn->p_dev, GFP_KERNEL, sizeof(*p_consq));
1114	if (!p_consq) {
1115		DP_NOTICE(p_hwfn, false,
1116			  "Failed to allocate `struct ecore_consq'\n");
1117		return ECORE_NOMEM;
1118	}
1119
1120	/* Allocate and initialize EQ chain*/
1121	if (ecore_chain_alloc(p_hwfn->p_dev,
1122			      ECORE_CHAIN_USE_TO_PRODUCE,
1123			      ECORE_CHAIN_MODE_PBL,
1124			      ECORE_CHAIN_CNT_TYPE_U16,
1125			      ECORE_CHAIN_PAGE_SIZE/0x80,
1126			      0x80,
1127			      &p_consq->chain, OSAL_NULL) != ECORE_SUCCESS) {
1128		DP_NOTICE(p_hwfn, false, "Failed to allocate consq chain");
1129		goto consq_allocate_fail;
1130	}
1131
1132	p_hwfn->p_consq = p_consq;
1133	return ECORE_SUCCESS;
1134
1135consq_allocate_fail:
1136	OSAL_FREE(p_hwfn->p_dev, p_consq);
1137	return ECORE_NOMEM;
1138}
1139
1140void ecore_consq_setup(struct ecore_hwfn *p_hwfn)
1141{
1142	ecore_chain_reset(&p_hwfn->p_consq->chain);
1143}
1144
1145void ecore_consq_free(struct ecore_hwfn *p_hwfn)
1146{
1147	if (!p_hwfn->p_consq)
1148		return;
1149
1150	ecore_chain_free(p_hwfn->p_dev, &p_hwfn->p_consq->chain);
1151
1152	OSAL_FREE(p_hwfn->p_dev, p_hwfn->p_consq);
1153	p_hwfn->p_consq = OSAL_NULL;
1154}
1155
1156#ifdef _NTDDK_
1157#pragma warning(pop)
1158#endif
1159