xref: /linux/drivers/net/ethernet/emulex/benet/be_cmds.c (revision c4ee0af3fa0dc65f690fc908f02b8355f9576ea0)
1 /*
2  * Copyright (C) 2005 - 2013 Emulex
3  * All rights reserved.
4  *
5  * This program is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU General Public License version 2
7  * as published by the Free Software Foundation.  The full GNU General
8  * Public License is included in this distribution in the file called COPYING.
9  *
10  * Contact Information:
11  * linux-drivers@emulex.com
12  *
13  * Emulex
14  * 3333 Susan Street
15  * Costa Mesa, CA 92626
16  */
17 
18 #include <linux/module.h>
19 #include "be.h"
20 #include "be_cmds.h"
21 
22 static struct be_cmd_priv_map cmd_priv_map[] = {
23 	{
24 		OPCODE_ETH_ACPI_WOL_MAGIC_CONFIG,
25 		CMD_SUBSYSTEM_ETH,
26 		BE_PRIV_LNKMGMT | BE_PRIV_VHADM |
27 		BE_PRIV_DEVCFG | BE_PRIV_DEVSEC
28 	},
29 	{
30 		OPCODE_COMMON_GET_FLOW_CONTROL,
31 		CMD_SUBSYSTEM_COMMON,
32 		BE_PRIV_LNKQUERY | BE_PRIV_VHADM |
33 		BE_PRIV_DEVCFG | BE_PRIV_DEVSEC
34 	},
35 	{
36 		OPCODE_COMMON_SET_FLOW_CONTROL,
37 		CMD_SUBSYSTEM_COMMON,
38 		BE_PRIV_LNKMGMT | BE_PRIV_VHADM |
39 		BE_PRIV_DEVCFG | BE_PRIV_DEVSEC
40 	},
41 	{
42 		OPCODE_ETH_GET_PPORT_STATS,
43 		CMD_SUBSYSTEM_ETH,
44 		BE_PRIV_LNKMGMT | BE_PRIV_VHADM |
45 		BE_PRIV_DEVCFG | BE_PRIV_DEVSEC
46 	},
47 	{
48 		OPCODE_COMMON_GET_PHY_DETAILS,
49 		CMD_SUBSYSTEM_COMMON,
50 		BE_PRIV_LNKMGMT | BE_PRIV_VHADM |
51 		BE_PRIV_DEVCFG | BE_PRIV_DEVSEC
52 	}
53 };
54 
55 static bool be_cmd_allowed(struct be_adapter *adapter, u8 opcode,
56 			   u8 subsystem)
57 {
58 	int i;
59 	int num_entries = sizeof(cmd_priv_map)/sizeof(struct be_cmd_priv_map);
60 	u32 cmd_privileges = adapter->cmd_privileges;
61 
62 	for (i = 0; i < num_entries; i++)
63 		if (opcode == cmd_priv_map[i].opcode &&
64 		    subsystem == cmd_priv_map[i].subsystem)
65 			if (!(cmd_privileges & cmd_priv_map[i].priv_mask))
66 				return false;
67 
68 	return true;
69 }
70 
71 static inline void *embedded_payload(struct be_mcc_wrb *wrb)
72 {
73 	return wrb->payload.embedded_payload;
74 }
75 
76 static void be_mcc_notify(struct be_adapter *adapter)
77 {
78 	struct be_queue_info *mccq = &adapter->mcc_obj.q;
79 	u32 val = 0;
80 
81 	if (be_error(adapter))
82 		return;
83 
84 	val |= mccq->id & DB_MCCQ_RING_ID_MASK;
85 	val |= 1 << DB_MCCQ_NUM_POSTED_SHIFT;
86 
87 	wmb();
88 	iowrite32(val, adapter->db + DB_MCCQ_OFFSET);
89 }
90 
91 /* To check if valid bit is set, check the entire word as we don't know
92  * the endianness of the data (old entry is host endian while a new entry is
93  * little endian) */
94 static inline bool be_mcc_compl_is_new(struct be_mcc_compl *compl)
95 {
96 	u32 flags;
97 
98 	if (compl->flags != 0) {
99 		flags = le32_to_cpu(compl->flags);
100 		if (flags & CQE_FLAGS_VALID_MASK) {
101 			compl->flags = flags;
102 			return true;
103 		}
104 	}
105 	return false;
106 }
107 
108 /* Need to reset the entire word that houses the valid bit */
109 static inline void be_mcc_compl_use(struct be_mcc_compl *compl)
110 {
111 	compl->flags = 0;
112 }
113 
114 static struct be_cmd_resp_hdr *be_decode_resp_hdr(u32 tag0, u32 tag1)
115 {
116 	unsigned long addr;
117 
118 	addr = tag1;
119 	addr = ((addr << 16) << 16) | tag0;
120 	return (void *)addr;
121 }
122 
123 static int be_mcc_compl_process(struct be_adapter *adapter,
124 				struct be_mcc_compl *compl)
125 {
126 	u16 compl_status, extd_status;
127 	struct be_cmd_resp_hdr *resp_hdr;
128 	u8 opcode = 0, subsystem = 0;
129 
130 	/* Just swap the status to host endian; mcc tag is opaquely copied
131 	 * from mcc_wrb */
132 	be_dws_le_to_cpu(compl, 4);
133 
134 	compl_status = (compl->status >> CQE_STATUS_COMPL_SHIFT) &
135 				CQE_STATUS_COMPL_MASK;
136 
137 	resp_hdr = be_decode_resp_hdr(compl->tag0, compl->tag1);
138 
139 	if (resp_hdr) {
140 		opcode = resp_hdr->opcode;
141 		subsystem = resp_hdr->subsystem;
142 	}
143 
144 	if (((opcode == OPCODE_COMMON_WRITE_FLASHROM) ||
145 	     (opcode == OPCODE_COMMON_WRITE_OBJECT)) &&
146 	    (subsystem == CMD_SUBSYSTEM_COMMON)) {
147 		adapter->flash_status = compl_status;
148 		complete(&adapter->flash_compl);
149 	}
150 
151 	if (compl_status == MCC_STATUS_SUCCESS) {
152 		if (((opcode == OPCODE_ETH_GET_STATISTICS) ||
153 		     (opcode == OPCODE_ETH_GET_PPORT_STATS)) &&
154 		    (subsystem == CMD_SUBSYSTEM_ETH)) {
155 			be_parse_stats(adapter);
156 			adapter->stats_cmd_sent = false;
157 		}
158 		if (opcode == OPCODE_COMMON_GET_CNTL_ADDITIONAL_ATTRIBUTES &&
159 		    subsystem == CMD_SUBSYSTEM_COMMON) {
160 			struct be_cmd_resp_get_cntl_addnl_attribs *resp =
161 				(void *)resp_hdr;
162 			adapter->drv_stats.be_on_die_temperature =
163 				resp->on_die_temperature;
164 		}
165 	} else {
166 		if (opcode == OPCODE_COMMON_GET_CNTL_ADDITIONAL_ATTRIBUTES)
167 			adapter->be_get_temp_freq = 0;
168 
169 		if (compl_status == MCC_STATUS_NOT_SUPPORTED ||
170 			compl_status == MCC_STATUS_ILLEGAL_REQUEST)
171 			goto done;
172 
173 		if (compl_status == MCC_STATUS_UNAUTHORIZED_REQUEST) {
174 			dev_warn(&adapter->pdev->dev,
175 				 "VF is not privileged to issue opcode %d-%d\n",
176 				 opcode, subsystem);
177 		} else {
178 			extd_status = (compl->status >> CQE_STATUS_EXTD_SHIFT) &
179 					CQE_STATUS_EXTD_MASK;
180 			dev_err(&adapter->pdev->dev,
181 				"opcode %d-%d failed:status %d-%d\n",
182 				opcode, subsystem, compl_status, extd_status);
183 
184 			if (extd_status == MCC_ADDL_STS_INSUFFICIENT_RESOURCES)
185 				return extd_status;
186 		}
187 	}
188 done:
189 	return compl_status;
190 }
191 
192 /* Link state evt is a string of bytes; no need for endian swapping */
193 static void be_async_link_state_process(struct be_adapter *adapter,
194 		struct be_async_event_link_state *evt)
195 {
196 	/* When link status changes, link speed must be re-queried from FW */
197 	adapter->phy.link_speed = -1;
198 
199 	/* Ignore physical link event */
200 	if (lancer_chip(adapter) &&
201 	    !(evt->port_link_status & LOGICAL_LINK_STATUS_MASK))
202 		return;
203 
204 	/* For the initial link status do not rely on the ASYNC event as
205 	 * it may not be received in some cases.
206 	 */
207 	if (adapter->flags & BE_FLAGS_LINK_STATUS_INIT)
208 		be_link_status_update(adapter, evt->port_link_status);
209 }
210 
211 /* Grp5 CoS Priority evt */
212 static void be_async_grp5_cos_priority_process(struct be_adapter *adapter,
213 		struct be_async_event_grp5_cos_priority *evt)
214 {
215 	if (evt->valid) {
216 		adapter->vlan_prio_bmap = evt->available_priority_bmap;
217 		adapter->recommended_prio &= ~VLAN_PRIO_MASK;
218 		adapter->recommended_prio =
219 			evt->reco_default_priority << VLAN_PRIO_SHIFT;
220 	}
221 }
222 
223 /* Grp5 QOS Speed evt: qos_link_speed is in units of 10 Mbps */
224 static void be_async_grp5_qos_speed_process(struct be_adapter *adapter,
225 		struct be_async_event_grp5_qos_link_speed *evt)
226 {
227 	if (adapter->phy.link_speed >= 0 &&
228 	    evt->physical_port == adapter->port_num)
229 		adapter->phy.link_speed = le16_to_cpu(evt->qos_link_speed) * 10;
230 }
231 
232 /*Grp5 PVID evt*/
233 static void be_async_grp5_pvid_state_process(struct be_adapter *adapter,
234 		struct be_async_event_grp5_pvid_state *evt)
235 {
236 	if (evt->enabled)
237 		adapter->pvid = le16_to_cpu(evt->tag) & VLAN_VID_MASK;
238 	else
239 		adapter->pvid = 0;
240 }
241 
242 static void be_async_grp5_evt_process(struct be_adapter *adapter,
243 		u32 trailer, struct be_mcc_compl *evt)
244 {
245 	u8 event_type = 0;
246 
247 	event_type = (trailer >> ASYNC_TRAILER_EVENT_TYPE_SHIFT) &
248 		ASYNC_TRAILER_EVENT_TYPE_MASK;
249 
250 	switch (event_type) {
251 	case ASYNC_EVENT_COS_PRIORITY:
252 		be_async_grp5_cos_priority_process(adapter,
253 		(struct be_async_event_grp5_cos_priority *)evt);
254 	break;
255 	case ASYNC_EVENT_QOS_SPEED:
256 		be_async_grp5_qos_speed_process(adapter,
257 		(struct be_async_event_grp5_qos_link_speed *)evt);
258 	break;
259 	case ASYNC_EVENT_PVID_STATE:
260 		be_async_grp5_pvid_state_process(adapter,
261 		(struct be_async_event_grp5_pvid_state *)evt);
262 	break;
263 	default:
264 		dev_warn(&adapter->pdev->dev, "Unknown grp5 event 0x%x!\n",
265 			 event_type);
266 		break;
267 	}
268 }
269 
270 static void be_async_dbg_evt_process(struct be_adapter *adapter,
271 		u32 trailer, struct be_mcc_compl *cmp)
272 {
273 	u8 event_type = 0;
274 	struct be_async_event_qnq *evt = (struct be_async_event_qnq *) cmp;
275 
276 	event_type = (trailer >> ASYNC_TRAILER_EVENT_TYPE_SHIFT) &
277 		ASYNC_TRAILER_EVENT_TYPE_MASK;
278 
279 	switch (event_type) {
280 	case ASYNC_DEBUG_EVENT_TYPE_QNQ:
281 		if (evt->valid)
282 			adapter->qnq_vid = le16_to_cpu(evt->vlan_tag);
283 		adapter->flags |= BE_FLAGS_QNQ_ASYNC_EVT_RCVD;
284 	break;
285 	default:
286 		dev_warn(&adapter->pdev->dev, "Unknown debug event 0x%x!\n",
287 			 event_type);
288 	break;
289 	}
290 }
291 
292 static inline bool is_link_state_evt(u32 trailer)
293 {
294 	return ((trailer >> ASYNC_TRAILER_EVENT_CODE_SHIFT) &
295 		ASYNC_TRAILER_EVENT_CODE_MASK) ==
296 				ASYNC_EVENT_CODE_LINK_STATE;
297 }
298 
299 static inline bool is_grp5_evt(u32 trailer)
300 {
301 	return (((trailer >> ASYNC_TRAILER_EVENT_CODE_SHIFT) &
302 		ASYNC_TRAILER_EVENT_CODE_MASK) ==
303 				ASYNC_EVENT_CODE_GRP_5);
304 }
305 
306 static inline bool is_dbg_evt(u32 trailer)
307 {
308 	return (((trailer >> ASYNC_TRAILER_EVENT_CODE_SHIFT) &
309 		ASYNC_TRAILER_EVENT_CODE_MASK) ==
310 				ASYNC_EVENT_CODE_QNQ);
311 }
312 
313 static struct be_mcc_compl *be_mcc_compl_get(struct be_adapter *adapter)
314 {
315 	struct be_queue_info *mcc_cq = &adapter->mcc_obj.cq;
316 	struct be_mcc_compl *compl = queue_tail_node(mcc_cq);
317 
318 	if (be_mcc_compl_is_new(compl)) {
319 		queue_tail_inc(mcc_cq);
320 		return compl;
321 	}
322 	return NULL;
323 }
324 
325 void be_async_mcc_enable(struct be_adapter *adapter)
326 {
327 	spin_lock_bh(&adapter->mcc_cq_lock);
328 
329 	be_cq_notify(adapter, adapter->mcc_obj.cq.id, true, 0);
330 	adapter->mcc_obj.rearm_cq = true;
331 
332 	spin_unlock_bh(&adapter->mcc_cq_lock);
333 }
334 
335 void be_async_mcc_disable(struct be_adapter *adapter)
336 {
337 	spin_lock_bh(&adapter->mcc_cq_lock);
338 
339 	adapter->mcc_obj.rearm_cq = false;
340 	be_cq_notify(adapter, adapter->mcc_obj.cq.id, false, 0);
341 
342 	spin_unlock_bh(&adapter->mcc_cq_lock);
343 }
344 
345 int be_process_mcc(struct be_adapter *adapter)
346 {
347 	struct be_mcc_compl *compl;
348 	int num = 0, status = 0;
349 	struct be_mcc_obj *mcc_obj = &adapter->mcc_obj;
350 
351 	spin_lock(&adapter->mcc_cq_lock);
352 	while ((compl = be_mcc_compl_get(adapter))) {
353 		if (compl->flags & CQE_FLAGS_ASYNC_MASK) {
354 			/* Interpret flags as an async trailer */
355 			if (is_link_state_evt(compl->flags))
356 				be_async_link_state_process(adapter,
357 				(struct be_async_event_link_state *) compl);
358 			else if (is_grp5_evt(compl->flags))
359 				be_async_grp5_evt_process(adapter,
360 				compl->flags, compl);
361 			else if (is_dbg_evt(compl->flags))
362 				be_async_dbg_evt_process(adapter,
363 				compl->flags, compl);
364 		} else if (compl->flags & CQE_FLAGS_COMPLETED_MASK) {
365 				status = be_mcc_compl_process(adapter, compl);
366 				atomic_dec(&mcc_obj->q.used);
367 		}
368 		be_mcc_compl_use(compl);
369 		num++;
370 	}
371 
372 	if (num)
373 		be_cq_notify(adapter, mcc_obj->cq.id, mcc_obj->rearm_cq, num);
374 
375 	spin_unlock(&adapter->mcc_cq_lock);
376 	return status;
377 }
378 
379 /* Wait till no more pending mcc requests are present */
380 static int be_mcc_wait_compl(struct be_adapter *adapter)
381 {
382 #define mcc_timeout		120000 /* 12s timeout */
383 	int i, status = 0;
384 	struct be_mcc_obj *mcc_obj = &adapter->mcc_obj;
385 
386 	for (i = 0; i < mcc_timeout; i++) {
387 		if (be_error(adapter))
388 			return -EIO;
389 
390 		local_bh_disable();
391 		status = be_process_mcc(adapter);
392 		local_bh_enable();
393 
394 		if (atomic_read(&mcc_obj->q.used) == 0)
395 			break;
396 		udelay(100);
397 	}
398 	if (i == mcc_timeout) {
399 		dev_err(&adapter->pdev->dev, "FW not responding\n");
400 		adapter->fw_timeout = true;
401 		return -EIO;
402 	}
403 	return status;
404 }
405 
406 /* Notify MCC requests and wait for completion */
407 static int be_mcc_notify_wait(struct be_adapter *adapter)
408 {
409 	int status;
410 	struct be_mcc_wrb *wrb;
411 	struct be_mcc_obj *mcc_obj = &adapter->mcc_obj;
412 	u16 index = mcc_obj->q.head;
413 	struct be_cmd_resp_hdr *resp;
414 
415 	index_dec(&index, mcc_obj->q.len);
416 	wrb = queue_index_node(&mcc_obj->q, index);
417 
418 	resp = be_decode_resp_hdr(wrb->tag0, wrb->tag1);
419 
420 	be_mcc_notify(adapter);
421 
422 	status = be_mcc_wait_compl(adapter);
423 	if (status == -EIO)
424 		goto out;
425 
426 	status = resp->status;
427 out:
428 	return status;
429 }
430 
431 static int be_mbox_db_ready_wait(struct be_adapter *adapter, void __iomem *db)
432 {
433 	int msecs = 0;
434 	u32 ready;
435 
436 	do {
437 		if (be_error(adapter))
438 			return -EIO;
439 
440 		ready = ioread32(db);
441 		if (ready == 0xffffffff)
442 			return -1;
443 
444 		ready &= MPU_MAILBOX_DB_RDY_MASK;
445 		if (ready)
446 			break;
447 
448 		if (msecs > 4000) {
449 			dev_err(&adapter->pdev->dev, "FW not responding\n");
450 			adapter->fw_timeout = true;
451 			be_detect_error(adapter);
452 			return -1;
453 		}
454 
455 		msleep(1);
456 		msecs++;
457 	} while (true);
458 
459 	return 0;
460 }
461 
462 /*
463  * Insert the mailbox address into the doorbell in two steps
464  * Polls on the mbox doorbell till a command completion (or a timeout) occurs
465  */
466 static int be_mbox_notify_wait(struct be_adapter *adapter)
467 {
468 	int status;
469 	u32 val = 0;
470 	void __iomem *db = adapter->db + MPU_MAILBOX_DB_OFFSET;
471 	struct be_dma_mem *mbox_mem = &adapter->mbox_mem;
472 	struct be_mcc_mailbox *mbox = mbox_mem->va;
473 	struct be_mcc_compl *compl = &mbox->compl;
474 
475 	/* wait for ready to be set */
476 	status = be_mbox_db_ready_wait(adapter, db);
477 	if (status != 0)
478 		return status;
479 
480 	val |= MPU_MAILBOX_DB_HI_MASK;
481 	/* at bits 2 - 31 place mbox dma addr msb bits 34 - 63 */
482 	val |= (upper_32_bits(mbox_mem->dma) >> 2) << 2;
483 	iowrite32(val, db);
484 
485 	/* wait for ready to be set */
486 	status = be_mbox_db_ready_wait(adapter, db);
487 	if (status != 0)
488 		return status;
489 
490 	val = 0;
491 	/* at bits 2 - 31 place mbox dma addr lsb bits 4 - 33 */
492 	val |= (u32)(mbox_mem->dma >> 4) << 2;
493 	iowrite32(val, db);
494 
495 	status = be_mbox_db_ready_wait(adapter, db);
496 	if (status != 0)
497 		return status;
498 
499 	/* A cq entry has been made now */
500 	if (be_mcc_compl_is_new(compl)) {
501 		status = be_mcc_compl_process(adapter, &mbox->compl);
502 		be_mcc_compl_use(compl);
503 		if (status)
504 			return status;
505 	} else {
506 		dev_err(&adapter->pdev->dev, "invalid mailbox completion\n");
507 		return -1;
508 	}
509 	return 0;
510 }
511 
512 static u16 be_POST_stage_get(struct be_adapter *adapter)
513 {
514 	u32 sem;
515 
516 	if (BEx_chip(adapter))
517 		sem  = ioread32(adapter->csr + SLIPORT_SEMAPHORE_OFFSET_BEx);
518 	else
519 		pci_read_config_dword(adapter->pdev,
520 				      SLIPORT_SEMAPHORE_OFFSET_SH, &sem);
521 
522 	return sem & POST_STAGE_MASK;
523 }
524 
525 static int lancer_wait_ready(struct be_adapter *adapter)
526 {
527 #define SLIPORT_READY_TIMEOUT 30
528 	u32 sliport_status;
529 	int status = 0, i;
530 
531 	for (i = 0; i < SLIPORT_READY_TIMEOUT; i++) {
532 		sliport_status = ioread32(adapter->db + SLIPORT_STATUS_OFFSET);
533 		if (sliport_status & SLIPORT_STATUS_RDY_MASK)
534 			break;
535 
536 		msleep(1000);
537 	}
538 
539 	if (i == SLIPORT_READY_TIMEOUT)
540 		status = -1;
541 
542 	return status;
543 }
544 
545 static bool lancer_provisioning_error(struct be_adapter *adapter)
546 {
547 	u32 sliport_status = 0, sliport_err1 = 0, sliport_err2 = 0;
548 	sliport_status = ioread32(adapter->db + SLIPORT_STATUS_OFFSET);
549 	if (sliport_status & SLIPORT_STATUS_ERR_MASK) {
550 		sliport_err1 = ioread32(adapter->db +
551 					SLIPORT_ERROR1_OFFSET);
552 		sliport_err2 = ioread32(adapter->db +
553 					SLIPORT_ERROR2_OFFSET);
554 
555 		if (sliport_err1 == SLIPORT_ERROR_NO_RESOURCE1 &&
556 		    sliport_err2 == SLIPORT_ERROR_NO_RESOURCE2)
557 			return true;
558 	}
559 	return false;
560 }
561 
562 int lancer_test_and_set_rdy_state(struct be_adapter *adapter)
563 {
564 	int status;
565 	u32 sliport_status, err, reset_needed;
566 	bool resource_error;
567 
568 	resource_error = lancer_provisioning_error(adapter);
569 	if (resource_error)
570 		return -EAGAIN;
571 
572 	status = lancer_wait_ready(adapter);
573 	if (!status) {
574 		sliport_status = ioread32(adapter->db + SLIPORT_STATUS_OFFSET);
575 		err = sliport_status & SLIPORT_STATUS_ERR_MASK;
576 		reset_needed = sliport_status & SLIPORT_STATUS_RN_MASK;
577 		if (err && reset_needed) {
578 			iowrite32(SLI_PORT_CONTROL_IP_MASK,
579 				  adapter->db + SLIPORT_CONTROL_OFFSET);
580 
581 			/* check adapter has corrected the error */
582 			status = lancer_wait_ready(adapter);
583 			sliport_status = ioread32(adapter->db +
584 						  SLIPORT_STATUS_OFFSET);
585 			sliport_status &= (SLIPORT_STATUS_ERR_MASK |
586 						SLIPORT_STATUS_RN_MASK);
587 			if (status || sliport_status)
588 				status = -1;
589 		} else if (err || reset_needed) {
590 			status = -1;
591 		}
592 	}
593 	/* Stop error recovery if error is not recoverable.
594 	 * No resource error is temporary errors and will go away
595 	 * when PF provisions resources.
596 	 */
597 	resource_error = lancer_provisioning_error(adapter);
598 	if (resource_error)
599 		status = -EAGAIN;
600 
601 	return status;
602 }
603 
604 int be_fw_wait_ready(struct be_adapter *adapter)
605 {
606 	u16 stage;
607 	int status, timeout = 0;
608 	struct device *dev = &adapter->pdev->dev;
609 
610 	if (lancer_chip(adapter)) {
611 		status = lancer_wait_ready(adapter);
612 		return status;
613 	}
614 
615 	do {
616 		stage = be_POST_stage_get(adapter);
617 		if (stage == POST_STAGE_ARMFW_RDY)
618 			return 0;
619 
620 		dev_info(dev, "Waiting for POST, %ds elapsed\n",
621 			 timeout);
622 		if (msleep_interruptible(2000)) {
623 			dev_err(dev, "Waiting for POST aborted\n");
624 			return -EINTR;
625 		}
626 		timeout += 2;
627 	} while (timeout < 60);
628 
629 	dev_err(dev, "POST timeout; stage=0x%x\n", stage);
630 	return -1;
631 }
632 
633 
634 static inline struct be_sge *nonembedded_sgl(struct be_mcc_wrb *wrb)
635 {
636 	return &wrb->payload.sgl[0];
637 }
638 
639 static inline void fill_wrb_tags(struct be_mcc_wrb *wrb,
640 				 unsigned long addr)
641 {
642 	wrb->tag0 = addr & 0xFFFFFFFF;
643 	wrb->tag1 = upper_32_bits(addr);
644 }
645 
646 /* Don't touch the hdr after it's prepared */
647 /* mem will be NULL for embedded commands */
648 static void be_wrb_cmd_hdr_prepare(struct be_cmd_req_hdr *req_hdr,
649 				u8 subsystem, u8 opcode, int cmd_len,
650 				struct be_mcc_wrb *wrb, struct be_dma_mem *mem)
651 {
652 	struct be_sge *sge;
653 
654 	req_hdr->opcode = opcode;
655 	req_hdr->subsystem = subsystem;
656 	req_hdr->request_length = cpu_to_le32(cmd_len - sizeof(*req_hdr));
657 	req_hdr->version = 0;
658 	fill_wrb_tags(wrb, (ulong) req_hdr);
659 	wrb->payload_length = cmd_len;
660 	if (mem) {
661 		wrb->embedded |= (1 & MCC_WRB_SGE_CNT_MASK) <<
662 			MCC_WRB_SGE_CNT_SHIFT;
663 		sge = nonembedded_sgl(wrb);
664 		sge->pa_hi = cpu_to_le32(upper_32_bits(mem->dma));
665 		sge->pa_lo = cpu_to_le32(mem->dma & 0xFFFFFFFF);
666 		sge->len = cpu_to_le32(mem->size);
667 	} else
668 		wrb->embedded |= MCC_WRB_EMBEDDED_MASK;
669 	be_dws_cpu_to_le(wrb, 8);
670 }
671 
672 static void be_cmd_page_addrs_prepare(struct phys_addr *pages, u32 max_pages,
673 			struct be_dma_mem *mem)
674 {
675 	int i, buf_pages = min(PAGES_4K_SPANNED(mem->va, mem->size), max_pages);
676 	u64 dma = (u64)mem->dma;
677 
678 	for (i = 0; i < buf_pages; i++) {
679 		pages[i].lo = cpu_to_le32(dma & 0xFFFFFFFF);
680 		pages[i].hi = cpu_to_le32(upper_32_bits(dma));
681 		dma += PAGE_SIZE_4K;
682 	}
683 }
684 
685 static inline struct be_mcc_wrb *wrb_from_mbox(struct be_adapter *adapter)
686 {
687 	struct be_dma_mem *mbox_mem = &adapter->mbox_mem;
688 	struct be_mcc_wrb *wrb
689 		= &((struct be_mcc_mailbox *)(mbox_mem->va))->wrb;
690 	memset(wrb, 0, sizeof(*wrb));
691 	return wrb;
692 }
693 
694 static struct be_mcc_wrb *wrb_from_mccq(struct be_adapter *adapter)
695 {
696 	struct be_queue_info *mccq = &adapter->mcc_obj.q;
697 	struct be_mcc_wrb *wrb;
698 
699 	if (!mccq->created)
700 		return NULL;
701 
702 	if (atomic_read(&mccq->used) >= mccq->len)
703 		return NULL;
704 
705 	wrb = queue_head_node(mccq);
706 	queue_head_inc(mccq);
707 	atomic_inc(&mccq->used);
708 	memset(wrb, 0, sizeof(*wrb));
709 	return wrb;
710 }
711 
712 static bool use_mcc(struct be_adapter *adapter)
713 {
714 	return adapter->mcc_obj.q.created;
715 }
716 
717 /* Must be used only in process context */
718 static int be_cmd_lock(struct be_adapter *adapter)
719 {
720 	if (use_mcc(adapter)) {
721 		spin_lock_bh(&adapter->mcc_lock);
722 		return 0;
723 	} else {
724 		return mutex_lock_interruptible(&adapter->mbox_lock);
725 	}
726 }
727 
728 /* Must be used only in process context */
729 static void be_cmd_unlock(struct be_adapter *adapter)
730 {
731 	if (use_mcc(adapter))
732 		spin_unlock_bh(&adapter->mcc_lock);
733 	else
734 		return mutex_unlock(&adapter->mbox_lock);
735 }
736 
737 static struct be_mcc_wrb *be_cmd_copy(struct be_adapter *adapter,
738 				      struct be_mcc_wrb *wrb)
739 {
740 	struct be_mcc_wrb *dest_wrb;
741 
742 	if (use_mcc(adapter)) {
743 		dest_wrb = wrb_from_mccq(adapter);
744 		if (!dest_wrb)
745 			return NULL;
746 	} else {
747 		dest_wrb = wrb_from_mbox(adapter);
748 	}
749 
750 	memcpy(dest_wrb, wrb, sizeof(*wrb));
751 	if (wrb->embedded & cpu_to_le32(MCC_WRB_EMBEDDED_MASK))
752 		fill_wrb_tags(dest_wrb, (ulong) embedded_payload(wrb));
753 
754 	return dest_wrb;
755 }
756 
757 /* Must be used only in process context */
758 static int be_cmd_notify_wait(struct be_adapter *adapter,
759 			      struct be_mcc_wrb *wrb)
760 {
761 	struct be_mcc_wrb *dest_wrb;
762 	int status;
763 
764 	status = be_cmd_lock(adapter);
765 	if (status)
766 		return status;
767 
768 	dest_wrb = be_cmd_copy(adapter, wrb);
769 	if (!dest_wrb)
770 		return -EBUSY;
771 
772 	if (use_mcc(adapter))
773 		status = be_mcc_notify_wait(adapter);
774 	else
775 		status = be_mbox_notify_wait(adapter);
776 
777 	if (!status)
778 		memcpy(wrb, dest_wrb, sizeof(*wrb));
779 
780 	be_cmd_unlock(adapter);
781 	return status;
782 }
783 
784 /* Tell fw we're about to start firing cmds by writing a
785  * special pattern across the wrb hdr; uses mbox
786  */
787 int be_cmd_fw_init(struct be_adapter *adapter)
788 {
789 	u8 *wrb;
790 	int status;
791 
792 	if (lancer_chip(adapter))
793 		return 0;
794 
795 	if (mutex_lock_interruptible(&adapter->mbox_lock))
796 		return -1;
797 
798 	wrb = (u8 *)wrb_from_mbox(adapter);
799 	*wrb++ = 0xFF;
800 	*wrb++ = 0x12;
801 	*wrb++ = 0x34;
802 	*wrb++ = 0xFF;
803 	*wrb++ = 0xFF;
804 	*wrb++ = 0x56;
805 	*wrb++ = 0x78;
806 	*wrb = 0xFF;
807 
808 	status = be_mbox_notify_wait(adapter);
809 
810 	mutex_unlock(&adapter->mbox_lock);
811 	return status;
812 }
813 
814 /* Tell fw we're done with firing cmds by writing a
815  * special pattern across the wrb hdr; uses mbox
816  */
817 int be_cmd_fw_clean(struct be_adapter *adapter)
818 {
819 	u8 *wrb;
820 	int status;
821 
822 	if (lancer_chip(adapter))
823 		return 0;
824 
825 	if (mutex_lock_interruptible(&adapter->mbox_lock))
826 		return -1;
827 
828 	wrb = (u8 *)wrb_from_mbox(adapter);
829 	*wrb++ = 0xFF;
830 	*wrb++ = 0xAA;
831 	*wrb++ = 0xBB;
832 	*wrb++ = 0xFF;
833 	*wrb++ = 0xFF;
834 	*wrb++ = 0xCC;
835 	*wrb++ = 0xDD;
836 	*wrb = 0xFF;
837 
838 	status = be_mbox_notify_wait(adapter);
839 
840 	mutex_unlock(&adapter->mbox_lock);
841 	return status;
842 }
843 
844 int be_cmd_eq_create(struct be_adapter *adapter, struct be_eq_obj *eqo)
845 {
846 	struct be_mcc_wrb *wrb;
847 	struct be_cmd_req_eq_create *req;
848 	struct be_dma_mem *q_mem = &eqo->q.dma_mem;
849 	int status, ver = 0;
850 
851 	if (mutex_lock_interruptible(&adapter->mbox_lock))
852 		return -1;
853 
854 	wrb = wrb_from_mbox(adapter);
855 	req = embedded_payload(wrb);
856 
857 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
858 		OPCODE_COMMON_EQ_CREATE, sizeof(*req), wrb, NULL);
859 
860 	/* Support for EQ_CREATEv2 available only SH-R onwards */
861 	if (!(BEx_chip(adapter) || lancer_chip(adapter)))
862 		ver = 2;
863 
864 	req->hdr.version = ver;
865 	req->num_pages =  cpu_to_le16(PAGES_4K_SPANNED(q_mem->va, q_mem->size));
866 
867 	AMAP_SET_BITS(struct amap_eq_context, valid, req->context, 1);
868 	/* 4byte eqe*/
869 	AMAP_SET_BITS(struct amap_eq_context, size, req->context, 0);
870 	AMAP_SET_BITS(struct amap_eq_context, count, req->context,
871 		      __ilog2_u32(eqo->q.len / 256));
872 	be_dws_cpu_to_le(req->context, sizeof(req->context));
873 
874 	be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);
875 
876 	status = be_mbox_notify_wait(adapter);
877 	if (!status) {
878 		struct be_cmd_resp_eq_create *resp = embedded_payload(wrb);
879 		eqo->q.id = le16_to_cpu(resp->eq_id);
880 		eqo->msix_idx =
881 			(ver == 2) ? le16_to_cpu(resp->msix_idx) : eqo->idx;
882 		eqo->q.created = true;
883 	}
884 
885 	mutex_unlock(&adapter->mbox_lock);
886 	return status;
887 }
888 
889 /* Use MCC */
890 int be_cmd_mac_addr_query(struct be_adapter *adapter, u8 *mac_addr,
891 			  bool permanent, u32 if_handle, u32 pmac_id)
892 {
893 	struct be_mcc_wrb *wrb;
894 	struct be_cmd_req_mac_query *req;
895 	int status;
896 
897 	spin_lock_bh(&adapter->mcc_lock);
898 
899 	wrb = wrb_from_mccq(adapter);
900 	if (!wrb) {
901 		status = -EBUSY;
902 		goto err;
903 	}
904 	req = embedded_payload(wrb);
905 
906 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
907 		OPCODE_COMMON_NTWK_MAC_QUERY, sizeof(*req), wrb, NULL);
908 	req->type = MAC_ADDRESS_TYPE_NETWORK;
909 	if (permanent) {
910 		req->permanent = 1;
911 	} else {
912 		req->if_id = cpu_to_le16((u16) if_handle);
913 		req->pmac_id = cpu_to_le32(pmac_id);
914 		req->permanent = 0;
915 	}
916 
917 	status = be_mcc_notify_wait(adapter);
918 	if (!status) {
919 		struct be_cmd_resp_mac_query *resp = embedded_payload(wrb);
920 		memcpy(mac_addr, resp->mac.addr, ETH_ALEN);
921 	}
922 
923 err:
924 	spin_unlock_bh(&adapter->mcc_lock);
925 	return status;
926 }
927 
928 /* Uses synchronous MCCQ */
929 int be_cmd_pmac_add(struct be_adapter *adapter, u8 *mac_addr,
930 		u32 if_id, u32 *pmac_id, u32 domain)
931 {
932 	struct be_mcc_wrb *wrb;
933 	struct be_cmd_req_pmac_add *req;
934 	int status;
935 
936 	spin_lock_bh(&adapter->mcc_lock);
937 
938 	wrb = wrb_from_mccq(adapter);
939 	if (!wrb) {
940 		status = -EBUSY;
941 		goto err;
942 	}
943 	req = embedded_payload(wrb);
944 
945 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
946 		OPCODE_COMMON_NTWK_PMAC_ADD, sizeof(*req), wrb, NULL);
947 
948 	req->hdr.domain = domain;
949 	req->if_id = cpu_to_le32(if_id);
950 	memcpy(req->mac_address, mac_addr, ETH_ALEN);
951 
952 	status = be_mcc_notify_wait(adapter);
953 	if (!status) {
954 		struct be_cmd_resp_pmac_add *resp = embedded_payload(wrb);
955 		*pmac_id = le32_to_cpu(resp->pmac_id);
956 	}
957 
958 err:
959 	spin_unlock_bh(&adapter->mcc_lock);
960 
961 	 if (status == MCC_STATUS_UNAUTHORIZED_REQUEST)
962 		status = -EPERM;
963 
964 	return status;
965 }
966 
967 /* Uses synchronous MCCQ */
968 int be_cmd_pmac_del(struct be_adapter *adapter, u32 if_id, int pmac_id, u32 dom)
969 {
970 	struct be_mcc_wrb *wrb;
971 	struct be_cmd_req_pmac_del *req;
972 	int status;
973 
974 	if (pmac_id == -1)
975 		return 0;
976 
977 	spin_lock_bh(&adapter->mcc_lock);
978 
979 	wrb = wrb_from_mccq(adapter);
980 	if (!wrb) {
981 		status = -EBUSY;
982 		goto err;
983 	}
984 	req = embedded_payload(wrb);
985 
986 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
987 		OPCODE_COMMON_NTWK_PMAC_DEL, sizeof(*req), wrb, NULL);
988 
989 	req->hdr.domain = dom;
990 	req->if_id = cpu_to_le32(if_id);
991 	req->pmac_id = cpu_to_le32(pmac_id);
992 
993 	status = be_mcc_notify_wait(adapter);
994 
995 err:
996 	spin_unlock_bh(&adapter->mcc_lock);
997 	return status;
998 }
999 
1000 /* Uses Mbox */
1001 int be_cmd_cq_create(struct be_adapter *adapter, struct be_queue_info *cq,
1002 		struct be_queue_info *eq, bool no_delay, int coalesce_wm)
1003 {
1004 	struct be_mcc_wrb *wrb;
1005 	struct be_cmd_req_cq_create *req;
1006 	struct be_dma_mem *q_mem = &cq->dma_mem;
1007 	void *ctxt;
1008 	int status;
1009 
1010 	if (mutex_lock_interruptible(&adapter->mbox_lock))
1011 		return -1;
1012 
1013 	wrb = wrb_from_mbox(adapter);
1014 	req = embedded_payload(wrb);
1015 	ctxt = &req->context;
1016 
1017 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1018 		OPCODE_COMMON_CQ_CREATE, sizeof(*req), wrb, NULL);
1019 
1020 	req->num_pages =  cpu_to_le16(PAGES_4K_SPANNED(q_mem->va, q_mem->size));
1021 
1022 	if (BEx_chip(adapter)) {
1023 		AMAP_SET_BITS(struct amap_cq_context_be, coalescwm, ctxt,
1024 								coalesce_wm);
1025 		AMAP_SET_BITS(struct amap_cq_context_be, nodelay,
1026 								ctxt, no_delay);
1027 		AMAP_SET_BITS(struct amap_cq_context_be, count, ctxt,
1028 						__ilog2_u32(cq->len/256));
1029 		AMAP_SET_BITS(struct amap_cq_context_be, valid, ctxt, 1);
1030 		AMAP_SET_BITS(struct amap_cq_context_be, eventable, ctxt, 1);
1031 		AMAP_SET_BITS(struct amap_cq_context_be, eqid, ctxt, eq->id);
1032 	} else {
1033 		req->hdr.version = 2;
1034 		req->page_size = 1; /* 1 for 4K */
1035 
1036 		/* coalesce-wm field in this cmd is not relevant to Lancer.
1037 		 * Lancer uses COMMON_MODIFY_CQ to set this field
1038 		 */
1039 		if (!lancer_chip(adapter))
1040 			AMAP_SET_BITS(struct amap_cq_context_v2, coalescwm,
1041 				      ctxt, coalesce_wm);
1042 		AMAP_SET_BITS(struct amap_cq_context_v2, nodelay, ctxt,
1043 								no_delay);
1044 		AMAP_SET_BITS(struct amap_cq_context_v2, count, ctxt,
1045 						__ilog2_u32(cq->len/256));
1046 		AMAP_SET_BITS(struct amap_cq_context_v2, valid, ctxt, 1);
1047 		AMAP_SET_BITS(struct amap_cq_context_v2, eventable,
1048 								ctxt, 1);
1049 		AMAP_SET_BITS(struct amap_cq_context_v2, eqid,
1050 								ctxt, eq->id);
1051 	}
1052 
1053 	be_dws_cpu_to_le(ctxt, sizeof(req->context));
1054 
1055 	be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);
1056 
1057 	status = be_mbox_notify_wait(adapter);
1058 	if (!status) {
1059 		struct be_cmd_resp_cq_create *resp = embedded_payload(wrb);
1060 		cq->id = le16_to_cpu(resp->cq_id);
1061 		cq->created = true;
1062 	}
1063 
1064 	mutex_unlock(&adapter->mbox_lock);
1065 
1066 	return status;
1067 }
1068 
1069 static u32 be_encoded_q_len(int q_len)
1070 {
1071 	u32 len_encoded = fls(q_len); /* log2(len) + 1 */
1072 	if (len_encoded == 16)
1073 		len_encoded = 0;
1074 	return len_encoded;
1075 }
1076 
1077 static int be_cmd_mccq_ext_create(struct be_adapter *adapter,
1078 				struct be_queue_info *mccq,
1079 				struct be_queue_info *cq)
1080 {
1081 	struct be_mcc_wrb *wrb;
1082 	struct be_cmd_req_mcc_ext_create *req;
1083 	struct be_dma_mem *q_mem = &mccq->dma_mem;
1084 	void *ctxt;
1085 	int status;
1086 
1087 	if (mutex_lock_interruptible(&adapter->mbox_lock))
1088 		return -1;
1089 
1090 	wrb = wrb_from_mbox(adapter);
1091 	req = embedded_payload(wrb);
1092 	ctxt = &req->context;
1093 
1094 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1095 			OPCODE_COMMON_MCC_CREATE_EXT, sizeof(*req), wrb, NULL);
1096 
1097 	req->num_pages = cpu_to_le16(PAGES_4K_SPANNED(q_mem->va, q_mem->size));
1098 	if (lancer_chip(adapter)) {
1099 		req->hdr.version = 1;
1100 		req->cq_id = cpu_to_le16(cq->id);
1101 
1102 		AMAP_SET_BITS(struct amap_mcc_context_lancer, ring_size, ctxt,
1103 						be_encoded_q_len(mccq->len));
1104 		AMAP_SET_BITS(struct amap_mcc_context_lancer, valid, ctxt, 1);
1105 		AMAP_SET_BITS(struct amap_mcc_context_lancer, async_cq_id,
1106 								ctxt, cq->id);
1107 		AMAP_SET_BITS(struct amap_mcc_context_lancer, async_cq_valid,
1108 								 ctxt, 1);
1109 
1110 	} else {
1111 		AMAP_SET_BITS(struct amap_mcc_context_be, valid, ctxt, 1);
1112 		AMAP_SET_BITS(struct amap_mcc_context_be, ring_size, ctxt,
1113 						be_encoded_q_len(mccq->len));
1114 		AMAP_SET_BITS(struct amap_mcc_context_be, cq_id, ctxt, cq->id);
1115 	}
1116 
1117 	/* Subscribe to Link State and Group 5 Events(bits 1 and 5 set) */
1118 	req->async_event_bitmap[0] = cpu_to_le32(0x00000022);
1119 	req->async_event_bitmap[0] |= cpu_to_le32(1 << ASYNC_EVENT_CODE_QNQ);
1120 	be_dws_cpu_to_le(ctxt, sizeof(req->context));
1121 
1122 	be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);
1123 
1124 	status = be_mbox_notify_wait(adapter);
1125 	if (!status) {
1126 		struct be_cmd_resp_mcc_create *resp = embedded_payload(wrb);
1127 		mccq->id = le16_to_cpu(resp->id);
1128 		mccq->created = true;
1129 	}
1130 	mutex_unlock(&adapter->mbox_lock);
1131 
1132 	return status;
1133 }
1134 
1135 static int be_cmd_mccq_org_create(struct be_adapter *adapter,
1136 				struct be_queue_info *mccq,
1137 				struct be_queue_info *cq)
1138 {
1139 	struct be_mcc_wrb *wrb;
1140 	struct be_cmd_req_mcc_create *req;
1141 	struct be_dma_mem *q_mem = &mccq->dma_mem;
1142 	void *ctxt;
1143 	int status;
1144 
1145 	if (mutex_lock_interruptible(&adapter->mbox_lock))
1146 		return -1;
1147 
1148 	wrb = wrb_from_mbox(adapter);
1149 	req = embedded_payload(wrb);
1150 	ctxt = &req->context;
1151 
1152 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1153 			OPCODE_COMMON_MCC_CREATE, sizeof(*req), wrb, NULL);
1154 
1155 	req->num_pages = cpu_to_le16(PAGES_4K_SPANNED(q_mem->va, q_mem->size));
1156 
1157 	AMAP_SET_BITS(struct amap_mcc_context_be, valid, ctxt, 1);
1158 	AMAP_SET_BITS(struct amap_mcc_context_be, ring_size, ctxt,
1159 			be_encoded_q_len(mccq->len));
1160 	AMAP_SET_BITS(struct amap_mcc_context_be, cq_id, ctxt, cq->id);
1161 
1162 	be_dws_cpu_to_le(ctxt, sizeof(req->context));
1163 
1164 	be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);
1165 
1166 	status = be_mbox_notify_wait(adapter);
1167 	if (!status) {
1168 		struct be_cmd_resp_mcc_create *resp = embedded_payload(wrb);
1169 		mccq->id = le16_to_cpu(resp->id);
1170 		mccq->created = true;
1171 	}
1172 
1173 	mutex_unlock(&adapter->mbox_lock);
1174 	return status;
1175 }
1176 
1177 int be_cmd_mccq_create(struct be_adapter *adapter,
1178 			struct be_queue_info *mccq,
1179 			struct be_queue_info *cq)
1180 {
1181 	int status;
1182 
1183 	status = be_cmd_mccq_ext_create(adapter, mccq, cq);
1184 	if (status && !lancer_chip(adapter)) {
1185 		dev_warn(&adapter->pdev->dev, "Upgrade to F/W ver 2.102.235.0 "
1186 			"or newer to avoid conflicting priorities between NIC "
1187 			"and FCoE traffic");
1188 		status = be_cmd_mccq_org_create(adapter, mccq, cq);
1189 	}
1190 	return status;
1191 }
1192 
1193 int be_cmd_txq_create(struct be_adapter *adapter, struct be_tx_obj *txo)
1194 {
1195 	struct be_mcc_wrb wrb = {0};
1196 	struct be_cmd_req_eth_tx_create *req;
1197 	struct be_queue_info *txq = &txo->q;
1198 	struct be_queue_info *cq = &txo->cq;
1199 	struct be_dma_mem *q_mem = &txq->dma_mem;
1200 	int status, ver = 0;
1201 
1202 	req = embedded_payload(&wrb);
1203 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH,
1204 				OPCODE_ETH_TX_CREATE, sizeof(*req), &wrb, NULL);
1205 
1206 	if (lancer_chip(adapter)) {
1207 		req->hdr.version = 1;
1208 	} else if (BEx_chip(adapter)) {
1209 		if (adapter->function_caps & BE_FUNCTION_CAPS_SUPER_NIC)
1210 			req->hdr.version = 2;
1211 	} else { /* For SH */
1212 		req->hdr.version = 2;
1213 	}
1214 
1215 	if (req->hdr.version > 0)
1216 		req->if_id = cpu_to_le16(adapter->if_handle);
1217 	req->num_pages = PAGES_4K_SPANNED(q_mem->va, q_mem->size);
1218 	req->ulp_num = BE_ULP1_NUM;
1219 	req->type = BE_ETH_TX_RING_TYPE_STANDARD;
1220 	req->cq_id = cpu_to_le16(cq->id);
1221 	req->queue_size = be_encoded_q_len(txq->len);
1222 	be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);
1223 	ver = req->hdr.version;
1224 
1225 	status = be_cmd_notify_wait(adapter, &wrb);
1226 	if (!status) {
1227 		struct be_cmd_resp_eth_tx_create *resp = embedded_payload(&wrb);
1228 		txq->id = le16_to_cpu(resp->cid);
1229 		if (ver == 2)
1230 			txo->db_offset = le32_to_cpu(resp->db_offset);
1231 		else
1232 			txo->db_offset = DB_TXULP1_OFFSET;
1233 		txq->created = true;
1234 	}
1235 
1236 	return status;
1237 }
1238 
1239 /* Uses MCC */
1240 int be_cmd_rxq_create(struct be_adapter *adapter,
1241 		struct be_queue_info *rxq, u16 cq_id, u16 frag_size,
1242 		u32 if_id, u32 rss, u8 *rss_id)
1243 {
1244 	struct be_mcc_wrb *wrb;
1245 	struct be_cmd_req_eth_rx_create *req;
1246 	struct be_dma_mem *q_mem = &rxq->dma_mem;
1247 	int status;
1248 
1249 	spin_lock_bh(&adapter->mcc_lock);
1250 
1251 	wrb = wrb_from_mccq(adapter);
1252 	if (!wrb) {
1253 		status = -EBUSY;
1254 		goto err;
1255 	}
1256 	req = embedded_payload(wrb);
1257 
1258 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH,
1259 				OPCODE_ETH_RX_CREATE, sizeof(*req), wrb, NULL);
1260 
1261 	req->cq_id = cpu_to_le16(cq_id);
1262 	req->frag_size = fls(frag_size) - 1;
1263 	req->num_pages = 2;
1264 	be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);
1265 	req->interface_id = cpu_to_le32(if_id);
1266 	req->max_frame_size = cpu_to_le16(BE_MAX_JUMBO_FRAME_SIZE);
1267 	req->rss_queue = cpu_to_le32(rss);
1268 
1269 	status = be_mcc_notify_wait(adapter);
1270 	if (!status) {
1271 		struct be_cmd_resp_eth_rx_create *resp = embedded_payload(wrb);
1272 		rxq->id = le16_to_cpu(resp->id);
1273 		rxq->created = true;
1274 		*rss_id = resp->rss_id;
1275 	}
1276 
1277 err:
1278 	spin_unlock_bh(&adapter->mcc_lock);
1279 	return status;
1280 }
1281 
1282 /* Generic destroyer function for all types of queues
1283  * Uses Mbox
1284  */
1285 int be_cmd_q_destroy(struct be_adapter *adapter, struct be_queue_info *q,
1286 		int queue_type)
1287 {
1288 	struct be_mcc_wrb *wrb;
1289 	struct be_cmd_req_q_destroy *req;
1290 	u8 subsys = 0, opcode = 0;
1291 	int status;
1292 
1293 	if (mutex_lock_interruptible(&adapter->mbox_lock))
1294 		return -1;
1295 
1296 	wrb = wrb_from_mbox(adapter);
1297 	req = embedded_payload(wrb);
1298 
1299 	switch (queue_type) {
1300 	case QTYPE_EQ:
1301 		subsys = CMD_SUBSYSTEM_COMMON;
1302 		opcode = OPCODE_COMMON_EQ_DESTROY;
1303 		break;
1304 	case QTYPE_CQ:
1305 		subsys = CMD_SUBSYSTEM_COMMON;
1306 		opcode = OPCODE_COMMON_CQ_DESTROY;
1307 		break;
1308 	case QTYPE_TXQ:
1309 		subsys = CMD_SUBSYSTEM_ETH;
1310 		opcode = OPCODE_ETH_TX_DESTROY;
1311 		break;
1312 	case QTYPE_RXQ:
1313 		subsys = CMD_SUBSYSTEM_ETH;
1314 		opcode = OPCODE_ETH_RX_DESTROY;
1315 		break;
1316 	case QTYPE_MCCQ:
1317 		subsys = CMD_SUBSYSTEM_COMMON;
1318 		opcode = OPCODE_COMMON_MCC_DESTROY;
1319 		break;
1320 	default:
1321 		BUG();
1322 	}
1323 
1324 	be_wrb_cmd_hdr_prepare(&req->hdr, subsys, opcode, sizeof(*req), wrb,
1325 				NULL);
1326 	req->id = cpu_to_le16(q->id);
1327 
1328 	status = be_mbox_notify_wait(adapter);
1329 	q->created = false;
1330 
1331 	mutex_unlock(&adapter->mbox_lock);
1332 	return status;
1333 }
1334 
1335 /* Uses MCC */
1336 int be_cmd_rxq_destroy(struct be_adapter *adapter, struct be_queue_info *q)
1337 {
1338 	struct be_mcc_wrb *wrb;
1339 	struct be_cmd_req_q_destroy *req;
1340 	int status;
1341 
1342 	spin_lock_bh(&adapter->mcc_lock);
1343 
1344 	wrb = wrb_from_mccq(adapter);
1345 	if (!wrb) {
1346 		status = -EBUSY;
1347 		goto err;
1348 	}
1349 	req = embedded_payload(wrb);
1350 
1351 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH,
1352 			OPCODE_ETH_RX_DESTROY, sizeof(*req), wrb, NULL);
1353 	req->id = cpu_to_le16(q->id);
1354 
1355 	status = be_mcc_notify_wait(adapter);
1356 	q->created = false;
1357 
1358 err:
1359 	spin_unlock_bh(&adapter->mcc_lock);
1360 	return status;
1361 }
1362 
1363 /* Create an rx filtering policy configuration on an i/f
1364  * Will use MBOX only if MCCQ has not been created.
1365  */
1366 int be_cmd_if_create(struct be_adapter *adapter, u32 cap_flags, u32 en_flags,
1367 		     u32 *if_handle, u32 domain)
1368 {
1369 	struct be_mcc_wrb wrb = {0};
1370 	struct be_cmd_req_if_create *req;
1371 	int status;
1372 
1373 	req = embedded_payload(&wrb);
1374 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1375 		OPCODE_COMMON_NTWK_INTERFACE_CREATE, sizeof(*req), &wrb, NULL);
1376 	req->hdr.domain = domain;
1377 	req->capability_flags = cpu_to_le32(cap_flags);
1378 	req->enable_flags = cpu_to_le32(en_flags);
1379 	req->pmac_invalid = true;
1380 
1381 	status = be_cmd_notify_wait(adapter, &wrb);
1382 	if (!status) {
1383 		struct be_cmd_resp_if_create *resp = embedded_payload(&wrb);
1384 		*if_handle = le32_to_cpu(resp->interface_id);
1385 
1386 		/* Hack to retrieve VF's pmac-id on BE3 */
1387 		if (BE3_chip(adapter) && !be_physfn(adapter))
1388 			adapter->pmac_id[0] = le32_to_cpu(resp->pmac_id);
1389 	}
1390 	return status;
1391 }
1392 
1393 /* Uses MCCQ */
1394 int be_cmd_if_destroy(struct be_adapter *adapter, int interface_id, u32 domain)
1395 {
1396 	struct be_mcc_wrb *wrb;
1397 	struct be_cmd_req_if_destroy *req;
1398 	int status;
1399 
1400 	if (interface_id == -1)
1401 		return 0;
1402 
1403 	spin_lock_bh(&adapter->mcc_lock);
1404 
1405 	wrb = wrb_from_mccq(adapter);
1406 	if (!wrb) {
1407 		status = -EBUSY;
1408 		goto err;
1409 	}
1410 	req = embedded_payload(wrb);
1411 
1412 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1413 		OPCODE_COMMON_NTWK_INTERFACE_DESTROY, sizeof(*req), wrb, NULL);
1414 	req->hdr.domain = domain;
1415 	req->interface_id = cpu_to_le32(interface_id);
1416 
1417 	status = be_mcc_notify_wait(adapter);
1418 err:
1419 	spin_unlock_bh(&adapter->mcc_lock);
1420 	return status;
1421 }
1422 
1423 /* Get stats is a non embedded command: the request is not embedded inside
1424  * WRB but is a separate dma memory block
1425  * Uses asynchronous MCC
1426  */
1427 int be_cmd_get_stats(struct be_adapter *adapter, struct be_dma_mem *nonemb_cmd)
1428 {
1429 	struct be_mcc_wrb *wrb;
1430 	struct be_cmd_req_hdr *hdr;
1431 	int status = 0;
1432 
1433 	spin_lock_bh(&adapter->mcc_lock);
1434 
1435 	wrb = wrb_from_mccq(adapter);
1436 	if (!wrb) {
1437 		status = -EBUSY;
1438 		goto err;
1439 	}
1440 	hdr = nonemb_cmd->va;
1441 
1442 	be_wrb_cmd_hdr_prepare(hdr, CMD_SUBSYSTEM_ETH,
1443 		OPCODE_ETH_GET_STATISTICS, nonemb_cmd->size, wrb, nonemb_cmd);
1444 
1445 	/* version 1 of the cmd is not supported only by BE2 */
1446 	if (BE2_chip(adapter))
1447 		hdr->version = 0;
1448 	if (BE3_chip(adapter) || lancer_chip(adapter))
1449 		hdr->version = 1;
1450 	else
1451 		hdr->version = 2;
1452 
1453 	be_mcc_notify(adapter);
1454 	adapter->stats_cmd_sent = true;
1455 
1456 err:
1457 	spin_unlock_bh(&adapter->mcc_lock);
1458 	return status;
1459 }
1460 
1461 /* Lancer Stats */
1462 int lancer_cmd_get_pport_stats(struct be_adapter *adapter,
1463 				struct be_dma_mem *nonemb_cmd)
1464 {
1465 
1466 	struct be_mcc_wrb *wrb;
1467 	struct lancer_cmd_req_pport_stats *req;
1468 	int status = 0;
1469 
1470 	if (!be_cmd_allowed(adapter, OPCODE_ETH_GET_PPORT_STATS,
1471 			    CMD_SUBSYSTEM_ETH))
1472 		return -EPERM;
1473 
1474 	spin_lock_bh(&adapter->mcc_lock);
1475 
1476 	wrb = wrb_from_mccq(adapter);
1477 	if (!wrb) {
1478 		status = -EBUSY;
1479 		goto err;
1480 	}
1481 	req = nonemb_cmd->va;
1482 
1483 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH,
1484 			OPCODE_ETH_GET_PPORT_STATS, nonemb_cmd->size, wrb,
1485 			nonemb_cmd);
1486 
1487 	req->cmd_params.params.pport_num = cpu_to_le16(adapter->hba_port_num);
1488 	req->cmd_params.params.reset_stats = 0;
1489 
1490 	be_mcc_notify(adapter);
1491 	adapter->stats_cmd_sent = true;
1492 
1493 err:
1494 	spin_unlock_bh(&adapter->mcc_lock);
1495 	return status;
1496 }
1497 
1498 static int be_mac_to_link_speed(int mac_speed)
1499 {
1500 	switch (mac_speed) {
1501 	case PHY_LINK_SPEED_ZERO:
1502 		return 0;
1503 	case PHY_LINK_SPEED_10MBPS:
1504 		return 10;
1505 	case PHY_LINK_SPEED_100MBPS:
1506 		return 100;
1507 	case PHY_LINK_SPEED_1GBPS:
1508 		return 1000;
1509 	case PHY_LINK_SPEED_10GBPS:
1510 		return 10000;
1511 	case PHY_LINK_SPEED_20GBPS:
1512 		return 20000;
1513 	case PHY_LINK_SPEED_25GBPS:
1514 		return 25000;
1515 	case PHY_LINK_SPEED_40GBPS:
1516 		return 40000;
1517 	}
1518 	return 0;
1519 }
1520 
1521 /* Uses synchronous mcc
1522  * Returns link_speed in Mbps
1523  */
1524 int be_cmd_link_status_query(struct be_adapter *adapter, u16 *link_speed,
1525 			     u8 *link_status, u32 dom)
1526 {
1527 	struct be_mcc_wrb *wrb;
1528 	struct be_cmd_req_link_status *req;
1529 	int status;
1530 
1531 	spin_lock_bh(&adapter->mcc_lock);
1532 
1533 	if (link_status)
1534 		*link_status = LINK_DOWN;
1535 
1536 	wrb = wrb_from_mccq(adapter);
1537 	if (!wrb) {
1538 		status = -EBUSY;
1539 		goto err;
1540 	}
1541 	req = embedded_payload(wrb);
1542 
1543 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1544 		OPCODE_COMMON_NTWK_LINK_STATUS_QUERY, sizeof(*req), wrb, NULL);
1545 
1546 	/* version 1 of the cmd is not supported only by BE2 */
1547 	if (!BE2_chip(adapter))
1548 		req->hdr.version = 1;
1549 
1550 	req->hdr.domain = dom;
1551 
1552 	status = be_mcc_notify_wait(adapter);
1553 	if (!status) {
1554 		struct be_cmd_resp_link_status *resp = embedded_payload(wrb);
1555 		if (link_speed) {
1556 			*link_speed = resp->link_speed ?
1557 				      le16_to_cpu(resp->link_speed) * 10 :
1558 				      be_mac_to_link_speed(resp->mac_speed);
1559 
1560 			if (!resp->logical_link_status)
1561 				*link_speed = 0;
1562 		}
1563 		if (link_status)
1564 			*link_status = resp->logical_link_status;
1565 	}
1566 
1567 err:
1568 	spin_unlock_bh(&adapter->mcc_lock);
1569 	return status;
1570 }
1571 
1572 /* Uses synchronous mcc */
1573 int be_cmd_get_die_temperature(struct be_adapter *adapter)
1574 {
1575 	struct be_mcc_wrb *wrb;
1576 	struct be_cmd_req_get_cntl_addnl_attribs *req;
1577 	int status = 0;
1578 
1579 	spin_lock_bh(&adapter->mcc_lock);
1580 
1581 	wrb = wrb_from_mccq(adapter);
1582 	if (!wrb) {
1583 		status = -EBUSY;
1584 		goto err;
1585 	}
1586 	req = embedded_payload(wrb);
1587 
1588 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1589 		OPCODE_COMMON_GET_CNTL_ADDITIONAL_ATTRIBUTES, sizeof(*req),
1590 		wrb, NULL);
1591 
1592 	be_mcc_notify(adapter);
1593 
1594 err:
1595 	spin_unlock_bh(&adapter->mcc_lock);
1596 	return status;
1597 }
1598 
1599 /* Uses synchronous mcc */
1600 int be_cmd_get_reg_len(struct be_adapter *adapter, u32 *log_size)
1601 {
1602 	struct be_mcc_wrb *wrb;
1603 	struct be_cmd_req_get_fat *req;
1604 	int status;
1605 
1606 	spin_lock_bh(&adapter->mcc_lock);
1607 
1608 	wrb = wrb_from_mccq(adapter);
1609 	if (!wrb) {
1610 		status = -EBUSY;
1611 		goto err;
1612 	}
1613 	req = embedded_payload(wrb);
1614 
1615 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1616 		OPCODE_COMMON_MANAGE_FAT, sizeof(*req), wrb, NULL);
1617 	req->fat_operation = cpu_to_le32(QUERY_FAT);
1618 	status = be_mcc_notify_wait(adapter);
1619 	if (!status) {
1620 		struct be_cmd_resp_get_fat *resp = embedded_payload(wrb);
1621 		if (log_size && resp->log_size)
1622 			*log_size = le32_to_cpu(resp->log_size) -
1623 					sizeof(u32);
1624 	}
1625 err:
1626 	spin_unlock_bh(&adapter->mcc_lock);
1627 	return status;
1628 }
1629 
1630 void be_cmd_get_regs(struct be_adapter *adapter, u32 buf_len, void *buf)
1631 {
1632 	struct be_dma_mem get_fat_cmd;
1633 	struct be_mcc_wrb *wrb;
1634 	struct be_cmd_req_get_fat *req;
1635 	u32 offset = 0, total_size, buf_size,
1636 				log_offset = sizeof(u32), payload_len;
1637 	int status;
1638 
1639 	if (buf_len == 0)
1640 		return;
1641 
1642 	total_size = buf_len;
1643 
1644 	get_fat_cmd.size = sizeof(struct be_cmd_req_get_fat) + 60*1024;
1645 	get_fat_cmd.va = pci_alloc_consistent(adapter->pdev,
1646 			get_fat_cmd.size,
1647 			&get_fat_cmd.dma);
1648 	if (!get_fat_cmd.va) {
1649 		status = -ENOMEM;
1650 		dev_err(&adapter->pdev->dev,
1651 		"Memory allocation failure while retrieving FAT data\n");
1652 		return;
1653 	}
1654 
1655 	spin_lock_bh(&adapter->mcc_lock);
1656 
1657 	while (total_size) {
1658 		buf_size = min(total_size, (u32)60*1024);
1659 		total_size -= buf_size;
1660 
1661 		wrb = wrb_from_mccq(adapter);
1662 		if (!wrb) {
1663 			status = -EBUSY;
1664 			goto err;
1665 		}
1666 		req = get_fat_cmd.va;
1667 
1668 		payload_len = sizeof(struct be_cmd_req_get_fat) + buf_size;
1669 		be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1670 				OPCODE_COMMON_MANAGE_FAT, payload_len, wrb,
1671 				&get_fat_cmd);
1672 
1673 		req->fat_operation = cpu_to_le32(RETRIEVE_FAT);
1674 		req->read_log_offset = cpu_to_le32(log_offset);
1675 		req->read_log_length = cpu_to_le32(buf_size);
1676 		req->data_buffer_size = cpu_to_le32(buf_size);
1677 
1678 		status = be_mcc_notify_wait(adapter);
1679 		if (!status) {
1680 			struct be_cmd_resp_get_fat *resp = get_fat_cmd.va;
1681 			memcpy(buf + offset,
1682 				resp->data_buffer,
1683 				le32_to_cpu(resp->read_log_length));
1684 		} else {
1685 			dev_err(&adapter->pdev->dev, "FAT Table Retrieve error\n");
1686 			goto err;
1687 		}
1688 		offset += buf_size;
1689 		log_offset += buf_size;
1690 	}
1691 err:
1692 	pci_free_consistent(adapter->pdev, get_fat_cmd.size,
1693 			get_fat_cmd.va,
1694 			get_fat_cmd.dma);
1695 	spin_unlock_bh(&adapter->mcc_lock);
1696 }
1697 
1698 /* Uses synchronous mcc */
1699 int be_cmd_get_fw_ver(struct be_adapter *adapter, char *fw_ver,
1700 			char *fw_on_flash)
1701 {
1702 	struct be_mcc_wrb *wrb;
1703 	struct be_cmd_req_get_fw_version *req;
1704 	int status;
1705 
1706 	spin_lock_bh(&adapter->mcc_lock);
1707 
1708 	wrb = wrb_from_mccq(adapter);
1709 	if (!wrb) {
1710 		status = -EBUSY;
1711 		goto err;
1712 	}
1713 
1714 	req = embedded_payload(wrb);
1715 
1716 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1717 		OPCODE_COMMON_GET_FW_VERSION, sizeof(*req), wrb, NULL);
1718 	status = be_mcc_notify_wait(adapter);
1719 	if (!status) {
1720 		struct be_cmd_resp_get_fw_version *resp = embedded_payload(wrb);
1721 		strcpy(fw_ver, resp->firmware_version_string);
1722 		if (fw_on_flash)
1723 			strcpy(fw_on_flash, resp->fw_on_flash_version_string);
1724 	}
1725 err:
1726 	spin_unlock_bh(&adapter->mcc_lock);
1727 	return status;
1728 }
1729 
1730 /* set the EQ delay interval of an EQ to specified value
1731  * Uses async mcc
1732  */
1733 int be_cmd_modify_eqd(struct be_adapter *adapter, struct be_set_eqd *set_eqd,
1734 		      int num)
1735 {
1736 	struct be_mcc_wrb *wrb;
1737 	struct be_cmd_req_modify_eq_delay *req;
1738 	int status = 0, i;
1739 
1740 	spin_lock_bh(&adapter->mcc_lock);
1741 
1742 	wrb = wrb_from_mccq(adapter);
1743 	if (!wrb) {
1744 		status = -EBUSY;
1745 		goto err;
1746 	}
1747 	req = embedded_payload(wrb);
1748 
1749 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1750 		OPCODE_COMMON_MODIFY_EQ_DELAY, sizeof(*req), wrb, NULL);
1751 
1752 	req->num_eq = cpu_to_le32(num);
1753 	for (i = 0; i < num; i++) {
1754 		req->set_eqd[i].eq_id = cpu_to_le32(set_eqd[i].eq_id);
1755 		req->set_eqd[i].phase = 0;
1756 		req->set_eqd[i].delay_multiplier =
1757 				cpu_to_le32(set_eqd[i].delay_multiplier);
1758 	}
1759 
1760 	be_mcc_notify(adapter);
1761 err:
1762 	spin_unlock_bh(&adapter->mcc_lock);
1763 	return status;
1764 }
1765 
1766 /* Uses sycnhronous mcc */
1767 int be_cmd_vlan_config(struct be_adapter *adapter, u32 if_id, u16 *vtag_array,
1768 		       u32 num, bool promiscuous)
1769 {
1770 	struct be_mcc_wrb *wrb;
1771 	struct be_cmd_req_vlan_config *req;
1772 	int status;
1773 
1774 	spin_lock_bh(&adapter->mcc_lock);
1775 
1776 	wrb = wrb_from_mccq(adapter);
1777 	if (!wrb) {
1778 		status = -EBUSY;
1779 		goto err;
1780 	}
1781 	req = embedded_payload(wrb);
1782 
1783 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1784 		OPCODE_COMMON_NTWK_VLAN_CONFIG, sizeof(*req), wrb, NULL);
1785 
1786 	req->interface_id = if_id;
1787 	req->promiscuous = promiscuous;
1788 	req->untagged = BE_IF_FLAGS_UNTAGGED & be_if_cap_flags(adapter) ? 1 : 0;
1789 	req->num_vlan = num;
1790 	if (!promiscuous) {
1791 		memcpy(req->normal_vlan, vtag_array,
1792 			req->num_vlan * sizeof(vtag_array[0]));
1793 	}
1794 
1795 	status = be_mcc_notify_wait(adapter);
1796 
1797 err:
1798 	spin_unlock_bh(&adapter->mcc_lock);
1799 	return status;
1800 }
1801 
1802 int be_cmd_rx_filter(struct be_adapter *adapter, u32 flags, u32 value)
1803 {
1804 	struct be_mcc_wrb *wrb;
1805 	struct be_dma_mem *mem = &adapter->rx_filter;
1806 	struct be_cmd_req_rx_filter *req = mem->va;
1807 	int status;
1808 
1809 	spin_lock_bh(&adapter->mcc_lock);
1810 
1811 	wrb = wrb_from_mccq(adapter);
1812 	if (!wrb) {
1813 		status = -EBUSY;
1814 		goto err;
1815 	}
1816 	memset(req, 0, sizeof(*req));
1817 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1818 				OPCODE_COMMON_NTWK_RX_FILTER, sizeof(*req),
1819 				wrb, mem);
1820 
1821 	req->if_id = cpu_to_le32(adapter->if_handle);
1822 	if (flags & IFF_PROMISC) {
1823 		req->if_flags_mask = cpu_to_le32(BE_IF_FLAGS_PROMISCUOUS |
1824 					BE_IF_FLAGS_VLAN_PROMISCUOUS |
1825 					BE_IF_FLAGS_MCAST_PROMISCUOUS);
1826 		if (value == ON)
1827 			req->if_flags = cpu_to_le32(BE_IF_FLAGS_PROMISCUOUS |
1828 						BE_IF_FLAGS_VLAN_PROMISCUOUS |
1829 						BE_IF_FLAGS_MCAST_PROMISCUOUS);
1830 	} else if (flags & IFF_ALLMULTI) {
1831 		req->if_flags_mask = req->if_flags =
1832 				cpu_to_le32(BE_IF_FLAGS_MCAST_PROMISCUOUS);
1833 	} else if (flags & BE_FLAGS_VLAN_PROMISC) {
1834 		req->if_flags_mask = cpu_to_le32(BE_IF_FLAGS_VLAN_PROMISCUOUS);
1835 
1836 		if (value == ON)
1837 			req->if_flags =
1838 				cpu_to_le32(BE_IF_FLAGS_VLAN_PROMISCUOUS);
1839 	} else {
1840 		struct netdev_hw_addr *ha;
1841 		int i = 0;
1842 
1843 		req->if_flags_mask = req->if_flags =
1844 				cpu_to_le32(BE_IF_FLAGS_MULTICAST);
1845 
1846 		/* Reset mcast promisc mode if already set by setting mask
1847 		 * and not setting flags field
1848 		 */
1849 		req->if_flags_mask |=
1850 			cpu_to_le32(BE_IF_FLAGS_MCAST_PROMISCUOUS &
1851 				    be_if_cap_flags(adapter));
1852 		req->mcast_num = cpu_to_le32(netdev_mc_count(adapter->netdev));
1853 		netdev_for_each_mc_addr(ha, adapter->netdev)
1854 			memcpy(req->mcast_mac[i++].byte, ha->addr, ETH_ALEN);
1855 	}
1856 
1857 	if ((req->if_flags_mask & cpu_to_le32(be_if_cap_flags(adapter))) !=
1858 	     req->if_flags_mask) {
1859 		dev_warn(&adapter->pdev->dev,
1860 			 "Cannot set rx filter flags 0x%x\n",
1861 			 req->if_flags_mask);
1862 		dev_warn(&adapter->pdev->dev,
1863 			 "Interface is capable of 0x%x flags only\n",
1864 			 be_if_cap_flags(adapter));
1865 	}
1866 	req->if_flags_mask &= cpu_to_le32(be_if_cap_flags(adapter));
1867 
1868 	status = be_mcc_notify_wait(adapter);
1869 
1870 err:
1871 	spin_unlock_bh(&adapter->mcc_lock);
1872 	return status;
1873 }
1874 
1875 /* Uses synchrounous mcc */
1876 int be_cmd_set_flow_control(struct be_adapter *adapter, u32 tx_fc, u32 rx_fc)
1877 {
1878 	struct be_mcc_wrb *wrb;
1879 	struct be_cmd_req_set_flow_control *req;
1880 	int status;
1881 
1882 	if (!be_cmd_allowed(adapter, OPCODE_COMMON_SET_FLOW_CONTROL,
1883 			    CMD_SUBSYSTEM_COMMON))
1884 		return -EPERM;
1885 
1886 	spin_lock_bh(&adapter->mcc_lock);
1887 
1888 	wrb = wrb_from_mccq(adapter);
1889 	if (!wrb) {
1890 		status = -EBUSY;
1891 		goto err;
1892 	}
1893 	req = embedded_payload(wrb);
1894 
1895 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1896 		OPCODE_COMMON_SET_FLOW_CONTROL, sizeof(*req), wrb, NULL);
1897 
1898 	req->tx_flow_control = cpu_to_le16((u16)tx_fc);
1899 	req->rx_flow_control = cpu_to_le16((u16)rx_fc);
1900 
1901 	status = be_mcc_notify_wait(adapter);
1902 
1903 err:
1904 	spin_unlock_bh(&adapter->mcc_lock);
1905 	return status;
1906 }
1907 
1908 /* Uses sycn mcc */
1909 int be_cmd_get_flow_control(struct be_adapter *adapter, u32 *tx_fc, u32 *rx_fc)
1910 {
1911 	struct be_mcc_wrb *wrb;
1912 	struct be_cmd_req_get_flow_control *req;
1913 	int status;
1914 
1915 	if (!be_cmd_allowed(adapter, OPCODE_COMMON_GET_FLOW_CONTROL,
1916 			    CMD_SUBSYSTEM_COMMON))
1917 		return -EPERM;
1918 
1919 	spin_lock_bh(&adapter->mcc_lock);
1920 
1921 	wrb = wrb_from_mccq(adapter);
1922 	if (!wrb) {
1923 		status = -EBUSY;
1924 		goto err;
1925 	}
1926 	req = embedded_payload(wrb);
1927 
1928 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1929 		OPCODE_COMMON_GET_FLOW_CONTROL, sizeof(*req), wrb, NULL);
1930 
1931 	status = be_mcc_notify_wait(adapter);
1932 	if (!status) {
1933 		struct be_cmd_resp_get_flow_control *resp =
1934 						embedded_payload(wrb);
1935 		*tx_fc = le16_to_cpu(resp->tx_flow_control);
1936 		*rx_fc = le16_to_cpu(resp->rx_flow_control);
1937 	}
1938 
1939 err:
1940 	spin_unlock_bh(&adapter->mcc_lock);
1941 	return status;
1942 }
1943 
1944 /* Uses mbox */
1945 int be_cmd_query_fw_cfg(struct be_adapter *adapter, u32 *port_num,
1946 			u32 *mode, u32 *caps, u16 *asic_rev)
1947 {
1948 	struct be_mcc_wrb *wrb;
1949 	struct be_cmd_req_query_fw_cfg *req;
1950 	int status;
1951 
1952 	if (mutex_lock_interruptible(&adapter->mbox_lock))
1953 		return -1;
1954 
1955 	wrb = wrb_from_mbox(adapter);
1956 	req = embedded_payload(wrb);
1957 
1958 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1959 		OPCODE_COMMON_QUERY_FIRMWARE_CONFIG, sizeof(*req), wrb, NULL);
1960 
1961 	status = be_mbox_notify_wait(adapter);
1962 	if (!status) {
1963 		struct be_cmd_resp_query_fw_cfg *resp = embedded_payload(wrb);
1964 		*port_num = le32_to_cpu(resp->phys_port);
1965 		*mode = le32_to_cpu(resp->function_mode);
1966 		*caps = le32_to_cpu(resp->function_caps);
1967 		*asic_rev = le32_to_cpu(resp->asic_revision) & 0xFF;
1968 	}
1969 
1970 	mutex_unlock(&adapter->mbox_lock);
1971 	return status;
1972 }
1973 
1974 /* Uses mbox */
1975 int be_cmd_reset_function(struct be_adapter *adapter)
1976 {
1977 	struct be_mcc_wrb *wrb;
1978 	struct be_cmd_req_hdr *req;
1979 	int status;
1980 
1981 	if (lancer_chip(adapter)) {
1982 		status = lancer_wait_ready(adapter);
1983 		if (!status) {
1984 			iowrite32(SLI_PORT_CONTROL_IP_MASK,
1985 				  adapter->db + SLIPORT_CONTROL_OFFSET);
1986 			status = lancer_test_and_set_rdy_state(adapter);
1987 		}
1988 		if (status) {
1989 			dev_err(&adapter->pdev->dev,
1990 				"Adapter in non recoverable error\n");
1991 		}
1992 		return status;
1993 	}
1994 
1995 	if (mutex_lock_interruptible(&adapter->mbox_lock))
1996 		return -1;
1997 
1998 	wrb = wrb_from_mbox(adapter);
1999 	req = embedded_payload(wrb);
2000 
2001 	be_wrb_cmd_hdr_prepare(req, CMD_SUBSYSTEM_COMMON,
2002 		OPCODE_COMMON_FUNCTION_RESET, sizeof(*req), wrb, NULL);
2003 
2004 	status = be_mbox_notify_wait(adapter);
2005 
2006 	mutex_unlock(&adapter->mbox_lock);
2007 	return status;
2008 }
2009 
2010 int be_cmd_rss_config(struct be_adapter *adapter, u8 *rsstable,
2011 			u32 rss_hash_opts, u16 table_size)
2012 {
2013 	struct be_mcc_wrb *wrb;
2014 	struct be_cmd_req_rss_config *req;
2015 	u32 myhash[10] = {0x15d43fa5, 0x2534685a, 0x5f87693a, 0x5668494e,
2016 			0x33cf6a53, 0x383334c6, 0x76ac4257, 0x59b242b2,
2017 			0x3ea83c02, 0x4a110304};
2018 	int status;
2019 
2020 	if (mutex_lock_interruptible(&adapter->mbox_lock))
2021 		return -1;
2022 
2023 	wrb = wrb_from_mbox(adapter);
2024 	req = embedded_payload(wrb);
2025 
2026 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH,
2027 		OPCODE_ETH_RSS_CONFIG, sizeof(*req), wrb, NULL);
2028 
2029 	req->if_id = cpu_to_le32(adapter->if_handle);
2030 	req->enable_rss = cpu_to_le16(rss_hash_opts);
2031 	req->cpu_table_size_log2 = cpu_to_le16(fls(table_size) - 1);
2032 
2033 	if (lancer_chip(adapter) || skyhawk_chip(adapter))
2034 		req->hdr.version = 1;
2035 
2036 	memcpy(req->cpu_table, rsstable, table_size);
2037 	memcpy(req->hash, myhash, sizeof(myhash));
2038 	be_dws_cpu_to_le(req->hash, sizeof(req->hash));
2039 
2040 	status = be_mbox_notify_wait(adapter);
2041 
2042 	mutex_unlock(&adapter->mbox_lock);
2043 	return status;
2044 }
2045 
2046 /* Uses sync mcc */
2047 int be_cmd_set_beacon_state(struct be_adapter *adapter, u8 port_num,
2048 			u8 bcn, u8 sts, u8 state)
2049 {
2050 	struct be_mcc_wrb *wrb;
2051 	struct be_cmd_req_enable_disable_beacon *req;
2052 	int status;
2053 
2054 	spin_lock_bh(&adapter->mcc_lock);
2055 
2056 	wrb = wrb_from_mccq(adapter);
2057 	if (!wrb) {
2058 		status = -EBUSY;
2059 		goto err;
2060 	}
2061 	req = embedded_payload(wrb);
2062 
2063 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
2064 		OPCODE_COMMON_ENABLE_DISABLE_BEACON, sizeof(*req), wrb, NULL);
2065 
2066 	req->port_num = port_num;
2067 	req->beacon_state = state;
2068 	req->beacon_duration = bcn;
2069 	req->status_duration = sts;
2070 
2071 	status = be_mcc_notify_wait(adapter);
2072 
2073 err:
2074 	spin_unlock_bh(&adapter->mcc_lock);
2075 	return status;
2076 }
2077 
2078 /* Uses sync mcc */
2079 int be_cmd_get_beacon_state(struct be_adapter *adapter, u8 port_num, u32 *state)
2080 {
2081 	struct be_mcc_wrb *wrb;
2082 	struct be_cmd_req_get_beacon_state *req;
2083 	int status;
2084 
2085 	spin_lock_bh(&adapter->mcc_lock);
2086 
2087 	wrb = wrb_from_mccq(adapter);
2088 	if (!wrb) {
2089 		status = -EBUSY;
2090 		goto err;
2091 	}
2092 	req = embedded_payload(wrb);
2093 
2094 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
2095 		OPCODE_COMMON_GET_BEACON_STATE, sizeof(*req), wrb, NULL);
2096 
2097 	req->port_num = port_num;
2098 
2099 	status = be_mcc_notify_wait(adapter);
2100 	if (!status) {
2101 		struct be_cmd_resp_get_beacon_state *resp =
2102 						embedded_payload(wrb);
2103 		*state = resp->beacon_state;
2104 	}
2105 
2106 err:
2107 	spin_unlock_bh(&adapter->mcc_lock);
2108 	return status;
2109 }
2110 
2111 int lancer_cmd_write_object(struct be_adapter *adapter, struct be_dma_mem *cmd,
2112 			    u32 data_size, u32 data_offset,
2113 			    const char *obj_name, u32 *data_written,
2114 			    u8 *change_status, u8 *addn_status)
2115 {
2116 	struct be_mcc_wrb *wrb;
2117 	struct lancer_cmd_req_write_object *req;
2118 	struct lancer_cmd_resp_write_object *resp;
2119 	void *ctxt = NULL;
2120 	int status;
2121 
2122 	spin_lock_bh(&adapter->mcc_lock);
2123 	adapter->flash_status = 0;
2124 
2125 	wrb = wrb_from_mccq(adapter);
2126 	if (!wrb) {
2127 		status = -EBUSY;
2128 		goto err_unlock;
2129 	}
2130 
2131 	req = embedded_payload(wrb);
2132 
2133 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
2134 				OPCODE_COMMON_WRITE_OBJECT,
2135 				sizeof(struct lancer_cmd_req_write_object), wrb,
2136 				NULL);
2137 
2138 	ctxt = &req->context;
2139 	AMAP_SET_BITS(struct amap_lancer_write_obj_context,
2140 			write_length, ctxt, data_size);
2141 
2142 	if (data_size == 0)
2143 		AMAP_SET_BITS(struct amap_lancer_write_obj_context,
2144 				eof, ctxt, 1);
2145 	else
2146 		AMAP_SET_BITS(struct amap_lancer_write_obj_context,
2147 				eof, ctxt, 0);
2148 
2149 	be_dws_cpu_to_le(ctxt, sizeof(req->context));
2150 	req->write_offset = cpu_to_le32(data_offset);
2151 	strcpy(req->object_name, obj_name);
2152 	req->descriptor_count = cpu_to_le32(1);
2153 	req->buf_len = cpu_to_le32(data_size);
2154 	req->addr_low = cpu_to_le32((cmd->dma +
2155 				sizeof(struct lancer_cmd_req_write_object))
2156 				& 0xFFFFFFFF);
2157 	req->addr_high = cpu_to_le32(upper_32_bits(cmd->dma +
2158 				sizeof(struct lancer_cmd_req_write_object)));
2159 
2160 	be_mcc_notify(adapter);
2161 	spin_unlock_bh(&adapter->mcc_lock);
2162 
2163 	if (!wait_for_completion_timeout(&adapter->flash_compl,
2164 					 msecs_to_jiffies(60000)))
2165 		status = -1;
2166 	else
2167 		status = adapter->flash_status;
2168 
2169 	resp = embedded_payload(wrb);
2170 	if (!status) {
2171 		*data_written = le32_to_cpu(resp->actual_write_len);
2172 		*change_status = resp->change_status;
2173 	} else {
2174 		*addn_status = resp->additional_status;
2175 	}
2176 
2177 	return status;
2178 
2179 err_unlock:
2180 	spin_unlock_bh(&adapter->mcc_lock);
2181 	return status;
2182 }
2183 
2184 int lancer_cmd_read_object(struct be_adapter *adapter, struct be_dma_mem *cmd,
2185 		u32 data_size, u32 data_offset, const char *obj_name,
2186 		u32 *data_read, u32 *eof, u8 *addn_status)
2187 {
2188 	struct be_mcc_wrb *wrb;
2189 	struct lancer_cmd_req_read_object *req;
2190 	struct lancer_cmd_resp_read_object *resp;
2191 	int status;
2192 
2193 	spin_lock_bh(&adapter->mcc_lock);
2194 
2195 	wrb = wrb_from_mccq(adapter);
2196 	if (!wrb) {
2197 		status = -EBUSY;
2198 		goto err_unlock;
2199 	}
2200 
2201 	req = embedded_payload(wrb);
2202 
2203 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
2204 			OPCODE_COMMON_READ_OBJECT,
2205 			sizeof(struct lancer_cmd_req_read_object), wrb,
2206 			NULL);
2207 
2208 	req->desired_read_len = cpu_to_le32(data_size);
2209 	req->read_offset = cpu_to_le32(data_offset);
2210 	strcpy(req->object_name, obj_name);
2211 	req->descriptor_count = cpu_to_le32(1);
2212 	req->buf_len = cpu_to_le32(data_size);
2213 	req->addr_low = cpu_to_le32((cmd->dma & 0xFFFFFFFF));
2214 	req->addr_high = cpu_to_le32(upper_32_bits(cmd->dma));
2215 
2216 	status = be_mcc_notify_wait(adapter);
2217 
2218 	resp = embedded_payload(wrb);
2219 	if (!status) {
2220 		*data_read = le32_to_cpu(resp->actual_read_len);
2221 		*eof = le32_to_cpu(resp->eof);
2222 	} else {
2223 		*addn_status = resp->additional_status;
2224 	}
2225 
2226 err_unlock:
2227 	spin_unlock_bh(&adapter->mcc_lock);
2228 	return status;
2229 }
2230 
2231 int be_cmd_write_flashrom(struct be_adapter *adapter, struct be_dma_mem *cmd,
2232 			u32 flash_type, u32 flash_opcode, u32 buf_size)
2233 {
2234 	struct be_mcc_wrb *wrb;
2235 	struct be_cmd_write_flashrom *req;
2236 	int status;
2237 
2238 	spin_lock_bh(&adapter->mcc_lock);
2239 	adapter->flash_status = 0;
2240 
2241 	wrb = wrb_from_mccq(adapter);
2242 	if (!wrb) {
2243 		status = -EBUSY;
2244 		goto err_unlock;
2245 	}
2246 	req = cmd->va;
2247 
2248 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
2249 		OPCODE_COMMON_WRITE_FLASHROM, cmd->size, wrb, cmd);
2250 
2251 	req->params.op_type = cpu_to_le32(flash_type);
2252 	req->params.op_code = cpu_to_le32(flash_opcode);
2253 	req->params.data_buf_size = cpu_to_le32(buf_size);
2254 
2255 	be_mcc_notify(adapter);
2256 	spin_unlock_bh(&adapter->mcc_lock);
2257 
2258 	if (!wait_for_completion_timeout(&adapter->flash_compl,
2259 			msecs_to_jiffies(40000)))
2260 		status = -1;
2261 	else
2262 		status = adapter->flash_status;
2263 
2264 	return status;
2265 
2266 err_unlock:
2267 	spin_unlock_bh(&adapter->mcc_lock);
2268 	return status;
2269 }
2270 
2271 int be_cmd_get_flash_crc(struct be_adapter *adapter, u8 *flashed_crc,
2272 			 int offset)
2273 {
2274 	struct be_mcc_wrb *wrb;
2275 	struct be_cmd_read_flash_crc *req;
2276 	int status;
2277 
2278 	spin_lock_bh(&adapter->mcc_lock);
2279 
2280 	wrb = wrb_from_mccq(adapter);
2281 	if (!wrb) {
2282 		status = -EBUSY;
2283 		goto err;
2284 	}
2285 	req = embedded_payload(wrb);
2286 
2287 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
2288 			       OPCODE_COMMON_READ_FLASHROM, sizeof(*req),
2289 			       wrb, NULL);
2290 
2291 	req->params.op_type = cpu_to_le32(OPTYPE_REDBOOT);
2292 	req->params.op_code = cpu_to_le32(FLASHROM_OPER_REPORT);
2293 	req->params.offset = cpu_to_le32(offset);
2294 	req->params.data_buf_size = cpu_to_le32(0x4);
2295 
2296 	status = be_mcc_notify_wait(adapter);
2297 	if (!status)
2298 		memcpy(flashed_crc, req->crc, 4);
2299 
2300 err:
2301 	spin_unlock_bh(&adapter->mcc_lock);
2302 	return status;
2303 }
2304 
2305 int be_cmd_enable_magic_wol(struct be_adapter *adapter, u8 *mac,
2306 				struct be_dma_mem *nonemb_cmd)
2307 {
2308 	struct be_mcc_wrb *wrb;
2309 	struct be_cmd_req_acpi_wol_magic_config *req;
2310 	int status;
2311 
2312 	spin_lock_bh(&adapter->mcc_lock);
2313 
2314 	wrb = wrb_from_mccq(adapter);
2315 	if (!wrb) {
2316 		status = -EBUSY;
2317 		goto err;
2318 	}
2319 	req = nonemb_cmd->va;
2320 
2321 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH,
2322 		OPCODE_ETH_ACPI_WOL_MAGIC_CONFIG, sizeof(*req), wrb,
2323 		nonemb_cmd);
2324 	memcpy(req->magic_mac, mac, ETH_ALEN);
2325 
2326 	status = be_mcc_notify_wait(adapter);
2327 
2328 err:
2329 	spin_unlock_bh(&adapter->mcc_lock);
2330 	return status;
2331 }
2332 
2333 int be_cmd_set_loopback(struct be_adapter *adapter, u8 port_num,
2334 			u8 loopback_type, u8 enable)
2335 {
2336 	struct be_mcc_wrb *wrb;
2337 	struct be_cmd_req_set_lmode *req;
2338 	int status;
2339 
2340 	spin_lock_bh(&adapter->mcc_lock);
2341 
2342 	wrb = wrb_from_mccq(adapter);
2343 	if (!wrb) {
2344 		status = -EBUSY;
2345 		goto err;
2346 	}
2347 
2348 	req = embedded_payload(wrb);
2349 
2350 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_LOWLEVEL,
2351 			OPCODE_LOWLEVEL_SET_LOOPBACK_MODE, sizeof(*req), wrb,
2352 			NULL);
2353 
2354 	req->src_port = port_num;
2355 	req->dest_port = port_num;
2356 	req->loopback_type = loopback_type;
2357 	req->loopback_state = enable;
2358 
2359 	status = be_mcc_notify_wait(adapter);
2360 err:
2361 	spin_unlock_bh(&adapter->mcc_lock);
2362 	return status;
2363 }
2364 
2365 int be_cmd_loopback_test(struct be_adapter *adapter, u32 port_num,
2366 		u32 loopback_type, u32 pkt_size, u32 num_pkts, u64 pattern)
2367 {
2368 	struct be_mcc_wrb *wrb;
2369 	struct be_cmd_req_loopback_test *req;
2370 	int status;
2371 
2372 	spin_lock_bh(&adapter->mcc_lock);
2373 
2374 	wrb = wrb_from_mccq(adapter);
2375 	if (!wrb) {
2376 		status = -EBUSY;
2377 		goto err;
2378 	}
2379 
2380 	req = embedded_payload(wrb);
2381 
2382 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_LOWLEVEL,
2383 			OPCODE_LOWLEVEL_LOOPBACK_TEST, sizeof(*req), wrb, NULL);
2384 	req->hdr.timeout = cpu_to_le32(4);
2385 
2386 	req->pattern = cpu_to_le64(pattern);
2387 	req->src_port = cpu_to_le32(port_num);
2388 	req->dest_port = cpu_to_le32(port_num);
2389 	req->pkt_size = cpu_to_le32(pkt_size);
2390 	req->num_pkts = cpu_to_le32(num_pkts);
2391 	req->loopback_type = cpu_to_le32(loopback_type);
2392 
2393 	status = be_mcc_notify_wait(adapter);
2394 	if (!status) {
2395 		struct be_cmd_resp_loopback_test *resp = embedded_payload(wrb);
2396 		status = le32_to_cpu(resp->status);
2397 	}
2398 
2399 err:
2400 	spin_unlock_bh(&adapter->mcc_lock);
2401 	return status;
2402 }
2403 
2404 int be_cmd_ddr_dma_test(struct be_adapter *adapter, u64 pattern,
2405 				u32 byte_cnt, struct be_dma_mem *cmd)
2406 {
2407 	struct be_mcc_wrb *wrb;
2408 	struct be_cmd_req_ddrdma_test *req;
2409 	int status;
2410 	int i, j = 0;
2411 
2412 	spin_lock_bh(&adapter->mcc_lock);
2413 
2414 	wrb = wrb_from_mccq(adapter);
2415 	if (!wrb) {
2416 		status = -EBUSY;
2417 		goto err;
2418 	}
2419 	req = cmd->va;
2420 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_LOWLEVEL,
2421 			OPCODE_LOWLEVEL_HOST_DDR_DMA, cmd->size, wrb, cmd);
2422 
2423 	req->pattern = cpu_to_le64(pattern);
2424 	req->byte_count = cpu_to_le32(byte_cnt);
2425 	for (i = 0; i < byte_cnt; i++) {
2426 		req->snd_buff[i] = (u8)(pattern >> (j*8));
2427 		j++;
2428 		if (j > 7)
2429 			j = 0;
2430 	}
2431 
2432 	status = be_mcc_notify_wait(adapter);
2433 
2434 	if (!status) {
2435 		struct be_cmd_resp_ddrdma_test *resp;
2436 		resp = cmd->va;
2437 		if ((memcmp(resp->rcv_buff, req->snd_buff, byte_cnt) != 0) ||
2438 				resp->snd_err) {
2439 			status = -1;
2440 		}
2441 	}
2442 
2443 err:
2444 	spin_unlock_bh(&adapter->mcc_lock);
2445 	return status;
2446 }
2447 
2448 int be_cmd_get_seeprom_data(struct be_adapter *adapter,
2449 				struct be_dma_mem *nonemb_cmd)
2450 {
2451 	struct be_mcc_wrb *wrb;
2452 	struct be_cmd_req_seeprom_read *req;
2453 	int status;
2454 
2455 	spin_lock_bh(&adapter->mcc_lock);
2456 
2457 	wrb = wrb_from_mccq(adapter);
2458 	if (!wrb) {
2459 		status = -EBUSY;
2460 		goto err;
2461 	}
2462 	req = nonemb_cmd->va;
2463 
2464 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
2465 			OPCODE_COMMON_SEEPROM_READ, sizeof(*req), wrb,
2466 			nonemb_cmd);
2467 
2468 	status = be_mcc_notify_wait(adapter);
2469 
2470 err:
2471 	spin_unlock_bh(&adapter->mcc_lock);
2472 	return status;
2473 }
2474 
2475 int be_cmd_get_phy_info(struct be_adapter *adapter)
2476 {
2477 	struct be_mcc_wrb *wrb;
2478 	struct be_cmd_req_get_phy_info *req;
2479 	struct be_dma_mem cmd;
2480 	int status;
2481 
2482 	if (!be_cmd_allowed(adapter, OPCODE_COMMON_GET_PHY_DETAILS,
2483 			    CMD_SUBSYSTEM_COMMON))
2484 		return -EPERM;
2485 
2486 	spin_lock_bh(&adapter->mcc_lock);
2487 
2488 	wrb = wrb_from_mccq(adapter);
2489 	if (!wrb) {
2490 		status = -EBUSY;
2491 		goto err;
2492 	}
2493 	cmd.size = sizeof(struct be_cmd_req_get_phy_info);
2494 	cmd.va = pci_alloc_consistent(adapter->pdev, cmd.size,
2495 					&cmd.dma);
2496 	if (!cmd.va) {
2497 		dev_err(&adapter->pdev->dev, "Memory alloc failure\n");
2498 		status = -ENOMEM;
2499 		goto err;
2500 	}
2501 
2502 	req = cmd.va;
2503 
2504 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
2505 			OPCODE_COMMON_GET_PHY_DETAILS, sizeof(*req),
2506 			wrb, &cmd);
2507 
2508 	status = be_mcc_notify_wait(adapter);
2509 	if (!status) {
2510 		struct be_phy_info *resp_phy_info =
2511 				cmd.va + sizeof(struct be_cmd_req_hdr);
2512 		adapter->phy.phy_type = le16_to_cpu(resp_phy_info->phy_type);
2513 		adapter->phy.interface_type =
2514 			le16_to_cpu(resp_phy_info->interface_type);
2515 		adapter->phy.auto_speeds_supported =
2516 			le16_to_cpu(resp_phy_info->auto_speeds_supported);
2517 		adapter->phy.fixed_speeds_supported =
2518 			le16_to_cpu(resp_phy_info->fixed_speeds_supported);
2519 		adapter->phy.misc_params =
2520 			le32_to_cpu(resp_phy_info->misc_params);
2521 
2522 		if (BE2_chip(adapter)) {
2523 			adapter->phy.fixed_speeds_supported =
2524 				BE_SUPPORTED_SPEED_10GBPS |
2525 				BE_SUPPORTED_SPEED_1GBPS;
2526 		}
2527 	}
2528 	pci_free_consistent(adapter->pdev, cmd.size,
2529 				cmd.va, cmd.dma);
2530 err:
2531 	spin_unlock_bh(&adapter->mcc_lock);
2532 	return status;
2533 }
2534 
2535 int be_cmd_set_qos(struct be_adapter *adapter, u32 bps, u32 domain)
2536 {
2537 	struct be_mcc_wrb *wrb;
2538 	struct be_cmd_req_set_qos *req;
2539 	int status;
2540 
2541 	spin_lock_bh(&adapter->mcc_lock);
2542 
2543 	wrb = wrb_from_mccq(adapter);
2544 	if (!wrb) {
2545 		status = -EBUSY;
2546 		goto err;
2547 	}
2548 
2549 	req = embedded_payload(wrb);
2550 
2551 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
2552 			OPCODE_COMMON_SET_QOS, sizeof(*req), wrb, NULL);
2553 
2554 	req->hdr.domain = domain;
2555 	req->valid_bits = cpu_to_le32(BE_QOS_BITS_NIC);
2556 	req->max_bps_nic = cpu_to_le32(bps);
2557 
2558 	status = be_mcc_notify_wait(adapter);
2559 
2560 err:
2561 	spin_unlock_bh(&adapter->mcc_lock);
2562 	return status;
2563 }
2564 
2565 int be_cmd_get_cntl_attributes(struct be_adapter *adapter)
2566 {
2567 	struct be_mcc_wrb *wrb;
2568 	struct be_cmd_req_cntl_attribs *req;
2569 	struct be_cmd_resp_cntl_attribs *resp;
2570 	int status;
2571 	int payload_len = max(sizeof(*req), sizeof(*resp));
2572 	struct mgmt_controller_attrib *attribs;
2573 	struct be_dma_mem attribs_cmd;
2574 
2575 	if (mutex_lock_interruptible(&adapter->mbox_lock))
2576 		return -1;
2577 
2578 	memset(&attribs_cmd, 0, sizeof(struct be_dma_mem));
2579 	attribs_cmd.size = sizeof(struct be_cmd_resp_cntl_attribs);
2580 	attribs_cmd.va = pci_alloc_consistent(adapter->pdev, attribs_cmd.size,
2581 						&attribs_cmd.dma);
2582 	if (!attribs_cmd.va) {
2583 		dev_err(&adapter->pdev->dev,
2584 				"Memory allocation failure\n");
2585 		status = -ENOMEM;
2586 		goto err;
2587 	}
2588 
2589 	wrb = wrb_from_mbox(adapter);
2590 	if (!wrb) {
2591 		status = -EBUSY;
2592 		goto err;
2593 	}
2594 	req = attribs_cmd.va;
2595 
2596 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
2597 			 OPCODE_COMMON_GET_CNTL_ATTRIBUTES, payload_len, wrb,
2598 			&attribs_cmd);
2599 
2600 	status = be_mbox_notify_wait(adapter);
2601 	if (!status) {
2602 		attribs = attribs_cmd.va + sizeof(struct be_cmd_resp_hdr);
2603 		adapter->hba_port_num = attribs->hba_attribs.phy_port;
2604 	}
2605 
2606 err:
2607 	mutex_unlock(&adapter->mbox_lock);
2608 	if (attribs_cmd.va)
2609 		pci_free_consistent(adapter->pdev, attribs_cmd.size,
2610 				    attribs_cmd.va, attribs_cmd.dma);
2611 	return status;
2612 }
2613 
2614 /* Uses mbox */
2615 int be_cmd_req_native_mode(struct be_adapter *adapter)
2616 {
2617 	struct be_mcc_wrb *wrb;
2618 	struct be_cmd_req_set_func_cap *req;
2619 	int status;
2620 
2621 	if (mutex_lock_interruptible(&adapter->mbox_lock))
2622 		return -1;
2623 
2624 	wrb = wrb_from_mbox(adapter);
2625 	if (!wrb) {
2626 		status = -EBUSY;
2627 		goto err;
2628 	}
2629 
2630 	req = embedded_payload(wrb);
2631 
2632 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
2633 		OPCODE_COMMON_SET_DRIVER_FUNCTION_CAP, sizeof(*req), wrb, NULL);
2634 
2635 	req->valid_cap_flags = cpu_to_le32(CAPABILITY_SW_TIMESTAMPS |
2636 				CAPABILITY_BE3_NATIVE_ERX_API);
2637 	req->cap_flags = cpu_to_le32(CAPABILITY_BE3_NATIVE_ERX_API);
2638 
2639 	status = be_mbox_notify_wait(adapter);
2640 	if (!status) {
2641 		struct be_cmd_resp_set_func_cap *resp = embedded_payload(wrb);
2642 		adapter->be3_native = le32_to_cpu(resp->cap_flags) &
2643 					CAPABILITY_BE3_NATIVE_ERX_API;
2644 		if (!adapter->be3_native)
2645 			dev_warn(&adapter->pdev->dev,
2646 				 "adapter not in advanced mode\n");
2647 	}
2648 err:
2649 	mutex_unlock(&adapter->mbox_lock);
2650 	return status;
2651 }
2652 
2653 /* Get privilege(s) for a function */
2654 int be_cmd_get_fn_privileges(struct be_adapter *adapter, u32 *privilege,
2655 			     u32 domain)
2656 {
2657 	struct be_mcc_wrb *wrb;
2658 	struct be_cmd_req_get_fn_privileges *req;
2659 	int status;
2660 
2661 	spin_lock_bh(&adapter->mcc_lock);
2662 
2663 	wrb = wrb_from_mccq(adapter);
2664 	if (!wrb) {
2665 		status = -EBUSY;
2666 		goto err;
2667 	}
2668 
2669 	req = embedded_payload(wrb);
2670 
2671 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
2672 			       OPCODE_COMMON_GET_FN_PRIVILEGES, sizeof(*req),
2673 			       wrb, NULL);
2674 
2675 	req->hdr.domain = domain;
2676 
2677 	status = be_mcc_notify_wait(adapter);
2678 	if (!status) {
2679 		struct be_cmd_resp_get_fn_privileges *resp =
2680 						embedded_payload(wrb);
2681 		*privilege = le32_to_cpu(resp->privilege_mask);
2682 	}
2683 
2684 err:
2685 	spin_unlock_bh(&adapter->mcc_lock);
2686 	return status;
2687 }
2688 
2689 /* Set privilege(s) for a function */
2690 int be_cmd_set_fn_privileges(struct be_adapter *adapter, u32 privileges,
2691 			     u32 domain)
2692 {
2693 	struct be_mcc_wrb *wrb;
2694 	struct be_cmd_req_set_fn_privileges *req;
2695 	int status;
2696 
2697 	spin_lock_bh(&adapter->mcc_lock);
2698 
2699 	wrb = wrb_from_mccq(adapter);
2700 	if (!wrb) {
2701 		status = -EBUSY;
2702 		goto err;
2703 	}
2704 
2705 	req = embedded_payload(wrb);
2706 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
2707 			       OPCODE_COMMON_SET_FN_PRIVILEGES, sizeof(*req),
2708 			       wrb, NULL);
2709 	req->hdr.domain = domain;
2710 	if (lancer_chip(adapter))
2711 		req->privileges_lancer = cpu_to_le32(privileges);
2712 	else
2713 		req->privileges = cpu_to_le32(privileges);
2714 
2715 	status = be_mcc_notify_wait(adapter);
2716 err:
2717 	spin_unlock_bh(&adapter->mcc_lock);
2718 	return status;
2719 }
2720 
2721 /* pmac_id_valid: true => pmac_id is supplied and MAC address is requested.
2722  * pmac_id_valid: false => pmac_id or MAC address is requested.
2723  *		  If pmac_id is returned, pmac_id_valid is returned as true
2724  */
2725 int be_cmd_get_mac_from_list(struct be_adapter *adapter, u8 *mac,
2726 			     bool *pmac_id_valid, u32 *pmac_id, u8 domain)
2727 {
2728 	struct be_mcc_wrb *wrb;
2729 	struct be_cmd_req_get_mac_list *req;
2730 	int status;
2731 	int mac_count;
2732 	struct be_dma_mem get_mac_list_cmd;
2733 	int i;
2734 
2735 	memset(&get_mac_list_cmd, 0, sizeof(struct be_dma_mem));
2736 	get_mac_list_cmd.size = sizeof(struct be_cmd_resp_get_mac_list);
2737 	get_mac_list_cmd.va = pci_alloc_consistent(adapter->pdev,
2738 			get_mac_list_cmd.size,
2739 			&get_mac_list_cmd.dma);
2740 
2741 	if (!get_mac_list_cmd.va) {
2742 		dev_err(&adapter->pdev->dev,
2743 				"Memory allocation failure during GET_MAC_LIST\n");
2744 		return -ENOMEM;
2745 	}
2746 
2747 	spin_lock_bh(&adapter->mcc_lock);
2748 
2749 	wrb = wrb_from_mccq(adapter);
2750 	if (!wrb) {
2751 		status = -EBUSY;
2752 		goto out;
2753 	}
2754 
2755 	req = get_mac_list_cmd.va;
2756 
2757 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
2758 			       OPCODE_COMMON_GET_MAC_LIST,
2759 			       get_mac_list_cmd.size, wrb, &get_mac_list_cmd);
2760 	req->hdr.domain = domain;
2761 	req->mac_type = MAC_ADDRESS_TYPE_NETWORK;
2762 	if (*pmac_id_valid) {
2763 		req->mac_id = cpu_to_le32(*pmac_id);
2764 		req->iface_id = cpu_to_le16(adapter->if_handle);
2765 		req->perm_override = 0;
2766 	} else {
2767 		req->perm_override = 1;
2768 	}
2769 
2770 	status = be_mcc_notify_wait(adapter);
2771 	if (!status) {
2772 		struct be_cmd_resp_get_mac_list *resp =
2773 						get_mac_list_cmd.va;
2774 
2775 		if (*pmac_id_valid) {
2776 			memcpy(mac, resp->macid_macaddr.mac_addr_id.macaddr,
2777 			       ETH_ALEN);
2778 			goto out;
2779 		}
2780 
2781 		mac_count = resp->true_mac_count + resp->pseudo_mac_count;
2782 		/* Mac list returned could contain one or more active mac_ids
2783 		 * or one or more true or pseudo permanant mac addresses.
2784 		 * If an active mac_id is present, return first active mac_id
2785 		 * found.
2786 		 */
2787 		for (i = 0; i < mac_count; i++) {
2788 			struct get_list_macaddr *mac_entry;
2789 			u16 mac_addr_size;
2790 			u32 mac_id;
2791 
2792 			mac_entry = &resp->macaddr_list[i];
2793 			mac_addr_size = le16_to_cpu(mac_entry->mac_addr_size);
2794 			/* mac_id is a 32 bit value and mac_addr size
2795 			 * is 6 bytes
2796 			 */
2797 			if (mac_addr_size == sizeof(u32)) {
2798 				*pmac_id_valid = true;
2799 				mac_id = mac_entry->mac_addr_id.s_mac_id.mac_id;
2800 				*pmac_id = le32_to_cpu(mac_id);
2801 				goto out;
2802 			}
2803 		}
2804 		/* If no active mac_id found, return first mac addr */
2805 		*pmac_id_valid = false;
2806 		memcpy(mac, resp->macaddr_list[0].mac_addr_id.macaddr,
2807 								ETH_ALEN);
2808 	}
2809 
2810 out:
2811 	spin_unlock_bh(&adapter->mcc_lock);
2812 	pci_free_consistent(adapter->pdev, get_mac_list_cmd.size,
2813 			get_mac_list_cmd.va, get_mac_list_cmd.dma);
2814 	return status;
2815 }
2816 
2817 int be_cmd_get_active_mac(struct be_adapter *adapter, u32 curr_pmac_id, u8 *mac)
2818 {
2819 	bool active = true;
2820 
2821 	if (BEx_chip(adapter))
2822 		return be_cmd_mac_addr_query(adapter, mac, false,
2823 					     adapter->if_handle, curr_pmac_id);
2824 	else
2825 		/* Fetch the MAC address using pmac_id */
2826 		return be_cmd_get_mac_from_list(adapter, mac, &active,
2827 						&curr_pmac_id, 0);
2828 }
2829 
2830 int be_cmd_get_perm_mac(struct be_adapter *adapter, u8 *mac)
2831 {
2832 	int status;
2833 	bool pmac_valid = false;
2834 
2835 	memset(mac, 0, ETH_ALEN);
2836 
2837 	if (BEx_chip(adapter)) {
2838 		if (be_physfn(adapter))
2839 			status = be_cmd_mac_addr_query(adapter, mac, true, 0,
2840 						       0);
2841 		else
2842 			status = be_cmd_mac_addr_query(adapter, mac, false,
2843 						       adapter->if_handle, 0);
2844 	} else {
2845 		status = be_cmd_get_mac_from_list(adapter, mac, &pmac_valid,
2846 						  NULL, 0);
2847 	}
2848 
2849 	return status;
2850 }
2851 
2852 /* Uses synchronous MCCQ */
2853 int be_cmd_set_mac_list(struct be_adapter *adapter, u8 *mac_array,
2854 			u8 mac_count, u32 domain)
2855 {
2856 	struct be_mcc_wrb *wrb;
2857 	struct be_cmd_req_set_mac_list *req;
2858 	int status;
2859 	struct be_dma_mem cmd;
2860 
2861 	memset(&cmd, 0, sizeof(struct be_dma_mem));
2862 	cmd.size = sizeof(struct be_cmd_req_set_mac_list);
2863 	cmd.va = dma_alloc_coherent(&adapter->pdev->dev, cmd.size,
2864 			&cmd.dma, GFP_KERNEL);
2865 	if (!cmd.va)
2866 		return -ENOMEM;
2867 
2868 	spin_lock_bh(&adapter->mcc_lock);
2869 
2870 	wrb = wrb_from_mccq(adapter);
2871 	if (!wrb) {
2872 		status = -EBUSY;
2873 		goto err;
2874 	}
2875 
2876 	req = cmd.va;
2877 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
2878 				OPCODE_COMMON_SET_MAC_LIST, sizeof(*req),
2879 				wrb, &cmd);
2880 
2881 	req->hdr.domain = domain;
2882 	req->mac_count = mac_count;
2883 	if (mac_count)
2884 		memcpy(req->mac, mac_array, ETH_ALEN*mac_count);
2885 
2886 	status = be_mcc_notify_wait(adapter);
2887 
2888 err:
2889 	dma_free_coherent(&adapter->pdev->dev, cmd.size,
2890 				cmd.va, cmd.dma);
2891 	spin_unlock_bh(&adapter->mcc_lock);
2892 	return status;
2893 }
2894 
2895 /* Wrapper to delete any active MACs and provision the new mac.
2896  * Changes to MAC_LIST are allowed iff none of the MAC addresses in the
2897  * current list are active.
2898  */
2899 int be_cmd_set_mac(struct be_adapter *adapter, u8 *mac, int if_id, u32 dom)
2900 {
2901 	bool active_mac = false;
2902 	u8 old_mac[ETH_ALEN];
2903 	u32 pmac_id;
2904 	int status;
2905 
2906 	status = be_cmd_get_mac_from_list(adapter, old_mac, &active_mac,
2907 					  &pmac_id, dom);
2908 	if (!status && active_mac)
2909 		be_cmd_pmac_del(adapter, if_id, pmac_id, dom);
2910 
2911 	return be_cmd_set_mac_list(adapter, mac, mac ? 1 : 0, dom);
2912 }
2913 
2914 int be_cmd_set_hsw_config(struct be_adapter *adapter, u16 pvid,
2915 			  u32 domain, u16 intf_id, u16 hsw_mode)
2916 {
2917 	struct be_mcc_wrb *wrb;
2918 	struct be_cmd_req_set_hsw_config *req;
2919 	void *ctxt;
2920 	int status;
2921 
2922 	spin_lock_bh(&adapter->mcc_lock);
2923 
2924 	wrb = wrb_from_mccq(adapter);
2925 	if (!wrb) {
2926 		status = -EBUSY;
2927 		goto err;
2928 	}
2929 
2930 	req = embedded_payload(wrb);
2931 	ctxt = &req->context;
2932 
2933 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
2934 			OPCODE_COMMON_SET_HSW_CONFIG, sizeof(*req), wrb, NULL);
2935 
2936 	req->hdr.domain = domain;
2937 	AMAP_SET_BITS(struct amap_set_hsw_context, interface_id, ctxt, intf_id);
2938 	if (pvid) {
2939 		AMAP_SET_BITS(struct amap_set_hsw_context, pvid_valid, ctxt, 1);
2940 		AMAP_SET_BITS(struct amap_set_hsw_context, pvid, ctxt, pvid);
2941 	}
2942 	if (!BEx_chip(adapter) && hsw_mode) {
2943 		AMAP_SET_BITS(struct amap_set_hsw_context, interface_id,
2944 			      ctxt, adapter->hba_port_num);
2945 		AMAP_SET_BITS(struct amap_set_hsw_context, pport, ctxt, 1);
2946 		AMAP_SET_BITS(struct amap_set_hsw_context, port_fwd_type,
2947 			      ctxt, hsw_mode);
2948 	}
2949 
2950 	be_dws_cpu_to_le(req->context, sizeof(req->context));
2951 	status = be_mcc_notify_wait(adapter);
2952 
2953 err:
2954 	spin_unlock_bh(&adapter->mcc_lock);
2955 	return status;
2956 }
2957 
2958 /* Get Hyper switch config */
2959 int be_cmd_get_hsw_config(struct be_adapter *adapter, u16 *pvid,
2960 			  u32 domain, u16 intf_id, u8 *mode)
2961 {
2962 	struct be_mcc_wrb *wrb;
2963 	struct be_cmd_req_get_hsw_config *req;
2964 	void *ctxt;
2965 	int status;
2966 	u16 vid;
2967 
2968 	spin_lock_bh(&adapter->mcc_lock);
2969 
2970 	wrb = wrb_from_mccq(adapter);
2971 	if (!wrb) {
2972 		status = -EBUSY;
2973 		goto err;
2974 	}
2975 
2976 	req = embedded_payload(wrb);
2977 	ctxt = &req->context;
2978 
2979 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
2980 			OPCODE_COMMON_GET_HSW_CONFIG, sizeof(*req), wrb, NULL);
2981 
2982 	req->hdr.domain = domain;
2983 	AMAP_SET_BITS(struct amap_get_hsw_req_context, interface_id,
2984 		      ctxt, intf_id);
2985 	AMAP_SET_BITS(struct amap_get_hsw_req_context, pvid_valid, ctxt, 1);
2986 
2987 	if (!BEx_chip(adapter)) {
2988 		AMAP_SET_BITS(struct amap_get_hsw_req_context, interface_id,
2989 			      ctxt, adapter->hba_port_num);
2990 		AMAP_SET_BITS(struct amap_get_hsw_req_context, pport, ctxt, 1);
2991 	}
2992 	be_dws_cpu_to_le(req->context, sizeof(req->context));
2993 
2994 	status = be_mcc_notify_wait(adapter);
2995 	if (!status) {
2996 		struct be_cmd_resp_get_hsw_config *resp =
2997 						embedded_payload(wrb);
2998 		be_dws_le_to_cpu(&resp->context,
2999 						sizeof(resp->context));
3000 		vid = AMAP_GET_BITS(struct amap_get_hsw_resp_context,
3001 							pvid, &resp->context);
3002 		if (pvid)
3003 			*pvid = le16_to_cpu(vid);
3004 		if (mode)
3005 			*mode = AMAP_GET_BITS(struct amap_get_hsw_resp_context,
3006 					      port_fwd_type, &resp->context);
3007 	}
3008 
3009 err:
3010 	spin_unlock_bh(&adapter->mcc_lock);
3011 	return status;
3012 }
3013 
3014 int be_cmd_get_acpi_wol_cap(struct be_adapter *adapter)
3015 {
3016 	struct be_mcc_wrb *wrb;
3017 	struct be_cmd_req_acpi_wol_magic_config_v1 *req;
3018 	int status;
3019 	int payload_len = sizeof(*req);
3020 	struct be_dma_mem cmd;
3021 
3022 	if (!be_cmd_allowed(adapter, OPCODE_ETH_ACPI_WOL_MAGIC_CONFIG,
3023 			    CMD_SUBSYSTEM_ETH))
3024 		return -EPERM;
3025 
3026 	if (mutex_lock_interruptible(&adapter->mbox_lock))
3027 		return -1;
3028 
3029 	memset(&cmd, 0, sizeof(struct be_dma_mem));
3030 	cmd.size = sizeof(struct be_cmd_resp_acpi_wol_magic_config_v1);
3031 	cmd.va = pci_alloc_consistent(adapter->pdev, cmd.size,
3032 					       &cmd.dma);
3033 	if (!cmd.va) {
3034 		dev_err(&adapter->pdev->dev,
3035 				"Memory allocation failure\n");
3036 		status = -ENOMEM;
3037 		goto err;
3038 	}
3039 
3040 	wrb = wrb_from_mbox(adapter);
3041 	if (!wrb) {
3042 		status = -EBUSY;
3043 		goto err;
3044 	}
3045 
3046 	req = cmd.va;
3047 
3048 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH,
3049 			       OPCODE_ETH_ACPI_WOL_MAGIC_CONFIG,
3050 			       payload_len, wrb, &cmd);
3051 
3052 	req->hdr.version = 1;
3053 	req->query_options = BE_GET_WOL_CAP;
3054 
3055 	status = be_mbox_notify_wait(adapter);
3056 	if (!status) {
3057 		struct be_cmd_resp_acpi_wol_magic_config_v1 *resp;
3058 		resp = (struct be_cmd_resp_acpi_wol_magic_config_v1 *) cmd.va;
3059 
3060 		/* the command could succeed misleadingly on old f/w
3061 		 * which is not aware of the V1 version. fake an error. */
3062 		if (resp->hdr.response_length < payload_len) {
3063 			status = -1;
3064 			goto err;
3065 		}
3066 		adapter->wol_cap = resp->wol_settings;
3067 	}
3068 err:
3069 	mutex_unlock(&adapter->mbox_lock);
3070 	if (cmd.va)
3071 		pci_free_consistent(adapter->pdev, cmd.size, cmd.va, cmd.dma);
3072 	return status;
3073 
3074 }
3075 int be_cmd_get_ext_fat_capabilites(struct be_adapter *adapter,
3076 				   struct be_dma_mem *cmd)
3077 {
3078 	struct be_mcc_wrb *wrb;
3079 	struct be_cmd_req_get_ext_fat_caps *req;
3080 	int status;
3081 
3082 	if (mutex_lock_interruptible(&adapter->mbox_lock))
3083 		return -1;
3084 
3085 	wrb = wrb_from_mbox(adapter);
3086 	if (!wrb) {
3087 		status = -EBUSY;
3088 		goto err;
3089 	}
3090 
3091 	req = cmd->va;
3092 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
3093 			       OPCODE_COMMON_GET_EXT_FAT_CAPABILITES,
3094 			       cmd->size, wrb, cmd);
3095 	req->parameter_type = cpu_to_le32(1);
3096 
3097 	status = be_mbox_notify_wait(adapter);
3098 err:
3099 	mutex_unlock(&adapter->mbox_lock);
3100 	return status;
3101 }
3102 
3103 int be_cmd_set_ext_fat_capabilites(struct be_adapter *adapter,
3104 				   struct be_dma_mem *cmd,
3105 				   struct be_fat_conf_params *configs)
3106 {
3107 	struct be_mcc_wrb *wrb;
3108 	struct be_cmd_req_set_ext_fat_caps *req;
3109 	int status;
3110 
3111 	spin_lock_bh(&adapter->mcc_lock);
3112 
3113 	wrb = wrb_from_mccq(adapter);
3114 	if (!wrb) {
3115 		status = -EBUSY;
3116 		goto err;
3117 	}
3118 
3119 	req = cmd->va;
3120 	memcpy(&req->set_params, configs, sizeof(struct be_fat_conf_params));
3121 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
3122 			       OPCODE_COMMON_SET_EXT_FAT_CAPABILITES,
3123 			       cmd->size, wrb, cmd);
3124 
3125 	status = be_mcc_notify_wait(adapter);
3126 err:
3127 	spin_unlock_bh(&adapter->mcc_lock);
3128 	return status;
3129 }
3130 
3131 int be_cmd_query_port_name(struct be_adapter *adapter, u8 *port_name)
3132 {
3133 	struct be_mcc_wrb *wrb;
3134 	struct be_cmd_req_get_port_name *req;
3135 	int status;
3136 
3137 	if (!lancer_chip(adapter)) {
3138 		*port_name = adapter->hba_port_num + '0';
3139 		return 0;
3140 	}
3141 
3142 	spin_lock_bh(&adapter->mcc_lock);
3143 
3144 	wrb = wrb_from_mccq(adapter);
3145 	if (!wrb) {
3146 		status = -EBUSY;
3147 		goto err;
3148 	}
3149 
3150 	req = embedded_payload(wrb);
3151 
3152 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
3153 			       OPCODE_COMMON_GET_PORT_NAME, sizeof(*req), wrb,
3154 			       NULL);
3155 	req->hdr.version = 1;
3156 
3157 	status = be_mcc_notify_wait(adapter);
3158 	if (!status) {
3159 		struct be_cmd_resp_get_port_name *resp = embedded_payload(wrb);
3160 		*port_name = resp->port_name[adapter->hba_port_num];
3161 	} else {
3162 		*port_name = adapter->hba_port_num + '0';
3163 	}
3164 err:
3165 	spin_unlock_bh(&adapter->mcc_lock);
3166 	return status;
3167 }
3168 
3169 static struct be_nic_res_desc *be_get_nic_desc(u8 *buf, u32 desc_count)
3170 {
3171 	struct be_res_desc_hdr *hdr = (struct be_res_desc_hdr *)buf;
3172 	int i;
3173 
3174 	for (i = 0; i < desc_count; i++) {
3175 		if (hdr->desc_type == NIC_RESOURCE_DESC_TYPE_V0 ||
3176 		    hdr->desc_type == NIC_RESOURCE_DESC_TYPE_V1)
3177 			return (struct be_nic_res_desc *)hdr;
3178 
3179 		hdr->desc_len = hdr->desc_len ? : RESOURCE_DESC_SIZE_V0;
3180 		hdr = (void *)hdr + hdr->desc_len;
3181 	}
3182 	return NULL;
3183 }
3184 
3185 static struct be_pcie_res_desc *be_get_pcie_desc(u8 devfn, u8 *buf,
3186 						 u32 desc_count)
3187 {
3188 	struct be_res_desc_hdr *hdr = (struct be_res_desc_hdr *)buf;
3189 	struct be_pcie_res_desc *pcie;
3190 	int i;
3191 
3192 	for (i = 0; i < desc_count; i++) {
3193 		if ((hdr->desc_type == PCIE_RESOURCE_DESC_TYPE_V0 ||
3194 		     hdr->desc_type == PCIE_RESOURCE_DESC_TYPE_V1)) {
3195 			pcie = (struct be_pcie_res_desc	*)hdr;
3196 			if (pcie->pf_num == devfn)
3197 				return pcie;
3198 		}
3199 
3200 		hdr->desc_len = hdr->desc_len ? : RESOURCE_DESC_SIZE_V0;
3201 		hdr = (void *)hdr + hdr->desc_len;
3202 	}
3203 	return NULL;
3204 }
3205 
3206 static void be_copy_nic_desc(struct be_resources *res,
3207 			     struct be_nic_res_desc *desc)
3208 {
3209 	res->max_uc_mac = le16_to_cpu(desc->unicast_mac_count);
3210 	res->max_vlans = le16_to_cpu(desc->vlan_count);
3211 	res->max_mcast_mac = le16_to_cpu(desc->mcast_mac_count);
3212 	res->max_tx_qs = le16_to_cpu(desc->txq_count);
3213 	res->max_rss_qs = le16_to_cpu(desc->rssq_count);
3214 	res->max_rx_qs = le16_to_cpu(desc->rq_count);
3215 	res->max_evt_qs = le16_to_cpu(desc->eq_count);
3216 	/* Clear flags that driver is not interested in */
3217 	res->if_cap_flags = le32_to_cpu(desc->cap_flags) &
3218 				BE_IF_CAP_FLAGS_WANT;
3219 	/* Need 1 RXQ as the default RXQ */
3220 	if (res->max_rss_qs && res->max_rss_qs == res->max_rx_qs)
3221 		res->max_rss_qs -= 1;
3222 }
3223 
3224 /* Uses Mbox */
3225 int be_cmd_get_func_config(struct be_adapter *adapter, struct be_resources *res)
3226 {
3227 	struct be_mcc_wrb *wrb;
3228 	struct be_cmd_req_get_func_config *req;
3229 	int status;
3230 	struct be_dma_mem cmd;
3231 
3232 	if (mutex_lock_interruptible(&adapter->mbox_lock))
3233 		return -1;
3234 
3235 	memset(&cmd, 0, sizeof(struct be_dma_mem));
3236 	cmd.size = sizeof(struct be_cmd_resp_get_func_config);
3237 	cmd.va = pci_alloc_consistent(adapter->pdev, cmd.size,
3238 				      &cmd.dma);
3239 	if (!cmd.va) {
3240 		dev_err(&adapter->pdev->dev, "Memory alloc failure\n");
3241 		status = -ENOMEM;
3242 		goto err;
3243 	}
3244 
3245 	wrb = wrb_from_mbox(adapter);
3246 	if (!wrb) {
3247 		status = -EBUSY;
3248 		goto err;
3249 	}
3250 
3251 	req = cmd.va;
3252 
3253 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
3254 			       OPCODE_COMMON_GET_FUNC_CONFIG,
3255 			       cmd.size, wrb, &cmd);
3256 
3257 	if (skyhawk_chip(adapter))
3258 		req->hdr.version = 1;
3259 
3260 	status = be_mbox_notify_wait(adapter);
3261 	if (!status) {
3262 		struct be_cmd_resp_get_func_config *resp = cmd.va;
3263 		u32 desc_count = le32_to_cpu(resp->desc_count);
3264 		struct be_nic_res_desc *desc;
3265 
3266 		desc = be_get_nic_desc(resp->func_param, desc_count);
3267 		if (!desc) {
3268 			status = -EINVAL;
3269 			goto err;
3270 		}
3271 
3272 		adapter->pf_number = desc->pf_num;
3273 		be_copy_nic_desc(res, desc);
3274 	}
3275 err:
3276 	mutex_unlock(&adapter->mbox_lock);
3277 	if (cmd.va)
3278 		pci_free_consistent(adapter->pdev, cmd.size, cmd.va, cmd.dma);
3279 	return status;
3280 }
3281 
3282 /* Uses mbox */
3283 static int be_cmd_get_profile_config_mbox(struct be_adapter *adapter,
3284 					u8 domain, struct be_dma_mem *cmd)
3285 {
3286 	struct be_mcc_wrb *wrb;
3287 	struct be_cmd_req_get_profile_config *req;
3288 	int status;
3289 
3290 	if (mutex_lock_interruptible(&adapter->mbox_lock))
3291 		return -1;
3292 	wrb = wrb_from_mbox(adapter);
3293 
3294 	req = cmd->va;
3295 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
3296 			       OPCODE_COMMON_GET_PROFILE_CONFIG,
3297 			       cmd->size, wrb, cmd);
3298 
3299 	req->type = ACTIVE_PROFILE_TYPE;
3300 	req->hdr.domain = domain;
3301 	if (!lancer_chip(adapter))
3302 		req->hdr.version = 1;
3303 
3304 	status = be_mbox_notify_wait(adapter);
3305 
3306 	mutex_unlock(&adapter->mbox_lock);
3307 	return status;
3308 }
3309 
3310 /* Uses sync mcc */
3311 static int be_cmd_get_profile_config_mccq(struct be_adapter *adapter,
3312 					u8 domain, struct be_dma_mem *cmd)
3313 {
3314 	struct be_mcc_wrb *wrb;
3315 	struct be_cmd_req_get_profile_config *req;
3316 	int status;
3317 
3318 	spin_lock_bh(&adapter->mcc_lock);
3319 
3320 	wrb = wrb_from_mccq(adapter);
3321 	if (!wrb) {
3322 		status = -EBUSY;
3323 		goto err;
3324 	}
3325 
3326 	req = cmd->va;
3327 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
3328 			       OPCODE_COMMON_GET_PROFILE_CONFIG,
3329 			       cmd->size, wrb, cmd);
3330 
3331 	req->type = ACTIVE_PROFILE_TYPE;
3332 	req->hdr.domain = domain;
3333 	if (!lancer_chip(adapter))
3334 		req->hdr.version = 1;
3335 
3336 	status = be_mcc_notify_wait(adapter);
3337 
3338 err:
3339 	spin_unlock_bh(&adapter->mcc_lock);
3340 	return status;
3341 }
3342 
3343 /* Uses sync mcc, if MCCQ is already created otherwise mbox */
3344 int be_cmd_get_profile_config(struct be_adapter *adapter,
3345 			      struct be_resources *res, u8 domain)
3346 {
3347 	struct be_cmd_resp_get_profile_config *resp;
3348 	struct be_pcie_res_desc *pcie;
3349 	struct be_nic_res_desc *nic;
3350 	struct be_queue_info *mccq = &adapter->mcc_obj.q;
3351 	struct be_dma_mem cmd;
3352 	u32 desc_count;
3353 	int status;
3354 
3355 	memset(&cmd, 0, sizeof(struct be_dma_mem));
3356 	cmd.size = sizeof(struct be_cmd_resp_get_profile_config);
3357 	cmd.va = pci_alloc_consistent(adapter->pdev, cmd.size, &cmd.dma);
3358 	if (!cmd.va)
3359 		return -ENOMEM;
3360 
3361 	if (!mccq->created)
3362 		status = be_cmd_get_profile_config_mbox(adapter, domain, &cmd);
3363 	else
3364 		status = be_cmd_get_profile_config_mccq(adapter, domain, &cmd);
3365 	if (status)
3366 		goto err;
3367 
3368 	resp = cmd.va;
3369 	desc_count = le32_to_cpu(resp->desc_count);
3370 
3371 	pcie =  be_get_pcie_desc(adapter->pdev->devfn, resp->func_param,
3372 				 desc_count);
3373 	if (pcie)
3374 		res->max_vfs = le16_to_cpu(pcie->num_vfs);
3375 
3376 	nic = be_get_nic_desc(resp->func_param, desc_count);
3377 	if (nic)
3378 		be_copy_nic_desc(res, nic);
3379 
3380 err:
3381 	if (cmd.va)
3382 		pci_free_consistent(adapter->pdev, cmd.size, cmd.va, cmd.dma);
3383 	return status;
3384 }
3385 
3386 /* Currently only Lancer uses this command and it supports version 0 only
3387  * Uses sync mcc
3388  */
3389 int be_cmd_set_profile_config(struct be_adapter *adapter, u32 bps,
3390 			      u8 domain)
3391 {
3392 	struct be_mcc_wrb *wrb;
3393 	struct be_cmd_req_set_profile_config *req;
3394 	int status;
3395 
3396 	spin_lock_bh(&adapter->mcc_lock);
3397 
3398 	wrb = wrb_from_mccq(adapter);
3399 	if (!wrb) {
3400 		status = -EBUSY;
3401 		goto err;
3402 	}
3403 
3404 	req = embedded_payload(wrb);
3405 
3406 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
3407 			       OPCODE_COMMON_SET_PROFILE_CONFIG, sizeof(*req),
3408 			       wrb, NULL);
3409 	req->hdr.domain = domain;
3410 	req->desc_count = cpu_to_le32(1);
3411 	req->nic_desc.hdr.desc_type = NIC_RESOURCE_DESC_TYPE_V0;
3412 	req->nic_desc.hdr.desc_len = RESOURCE_DESC_SIZE_V0;
3413 	req->nic_desc.flags = (1 << QUN) | (1 << IMM) | (1 << NOSV);
3414 	req->nic_desc.pf_num = adapter->pf_number;
3415 	req->nic_desc.vf_num = domain;
3416 
3417 	/* Mark fields invalid */
3418 	req->nic_desc.unicast_mac_count = 0xFFFF;
3419 	req->nic_desc.mcc_count = 0xFFFF;
3420 	req->nic_desc.vlan_count = 0xFFFF;
3421 	req->nic_desc.mcast_mac_count = 0xFFFF;
3422 	req->nic_desc.txq_count = 0xFFFF;
3423 	req->nic_desc.rq_count = 0xFFFF;
3424 	req->nic_desc.rssq_count = 0xFFFF;
3425 	req->nic_desc.lro_count = 0xFFFF;
3426 	req->nic_desc.cq_count = 0xFFFF;
3427 	req->nic_desc.toe_conn_count = 0xFFFF;
3428 	req->nic_desc.eq_count = 0xFFFF;
3429 	req->nic_desc.link_param = 0xFF;
3430 	req->nic_desc.bw_min = 0xFFFFFFFF;
3431 	req->nic_desc.acpi_params = 0xFF;
3432 	req->nic_desc.wol_param = 0x0F;
3433 
3434 	/* Change BW */
3435 	req->nic_desc.bw_min = cpu_to_le32(bps);
3436 	req->nic_desc.bw_max = cpu_to_le32(bps);
3437 	status = be_mcc_notify_wait(adapter);
3438 err:
3439 	spin_unlock_bh(&adapter->mcc_lock);
3440 	return status;
3441 }
3442 
3443 int be_cmd_get_if_id(struct be_adapter *adapter, struct be_vf_cfg *vf_cfg,
3444 		     int vf_num)
3445 {
3446 	struct be_mcc_wrb *wrb;
3447 	struct be_cmd_req_get_iface_list *req;
3448 	struct be_cmd_resp_get_iface_list *resp;
3449 	int status;
3450 
3451 	spin_lock_bh(&adapter->mcc_lock);
3452 
3453 	wrb = wrb_from_mccq(adapter);
3454 	if (!wrb) {
3455 		status = -EBUSY;
3456 		goto err;
3457 	}
3458 	req = embedded_payload(wrb);
3459 
3460 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
3461 			       OPCODE_COMMON_GET_IFACE_LIST, sizeof(*resp),
3462 			       wrb, NULL);
3463 	req->hdr.domain = vf_num + 1;
3464 
3465 	status = be_mcc_notify_wait(adapter);
3466 	if (!status) {
3467 		resp = (struct be_cmd_resp_get_iface_list *)req;
3468 		vf_cfg->if_handle = le32_to_cpu(resp->if_desc.if_id);
3469 	}
3470 
3471 err:
3472 	spin_unlock_bh(&adapter->mcc_lock);
3473 	return status;
3474 }
3475 
3476 static int lancer_wait_idle(struct be_adapter *adapter)
3477 {
3478 #define SLIPORT_IDLE_TIMEOUT 30
3479 	u32 reg_val;
3480 	int status = 0, i;
3481 
3482 	for (i = 0; i < SLIPORT_IDLE_TIMEOUT; i++) {
3483 		reg_val = ioread32(adapter->db + PHYSDEV_CONTROL_OFFSET);
3484 		if ((reg_val & PHYSDEV_CONTROL_INP_MASK) == 0)
3485 			break;
3486 
3487 		ssleep(1);
3488 	}
3489 
3490 	if (i == SLIPORT_IDLE_TIMEOUT)
3491 		status = -1;
3492 
3493 	return status;
3494 }
3495 
3496 int lancer_physdev_ctrl(struct be_adapter *adapter, u32 mask)
3497 {
3498 	int status = 0;
3499 
3500 	status = lancer_wait_idle(adapter);
3501 	if (status)
3502 		return status;
3503 
3504 	iowrite32(mask, adapter->db + PHYSDEV_CONTROL_OFFSET);
3505 
3506 	return status;
3507 }
3508 
3509 /* Routine to check whether dump image is present or not */
3510 bool dump_present(struct be_adapter *adapter)
3511 {
3512 	u32 sliport_status = 0;
3513 
3514 	sliport_status = ioread32(adapter->db + SLIPORT_STATUS_OFFSET);
3515 	return !!(sliport_status & SLIPORT_STATUS_DIP_MASK);
3516 }
3517 
3518 int lancer_initiate_dump(struct be_adapter *adapter)
3519 {
3520 	int status;
3521 
3522 	/* give firmware reset and diagnostic dump */
3523 	status = lancer_physdev_ctrl(adapter, PHYSDEV_CONTROL_FW_RESET_MASK |
3524 				     PHYSDEV_CONTROL_DD_MASK);
3525 	if (status < 0) {
3526 		dev_err(&adapter->pdev->dev, "Firmware reset failed\n");
3527 		return status;
3528 	}
3529 
3530 	status = lancer_wait_idle(adapter);
3531 	if (status)
3532 		return status;
3533 
3534 	if (!dump_present(adapter)) {
3535 		dev_err(&adapter->pdev->dev, "Dump image not present\n");
3536 		return -1;
3537 	}
3538 
3539 	return 0;
3540 }
3541 
3542 /* Uses sync mcc */
3543 int be_cmd_enable_vf(struct be_adapter *adapter, u8 domain)
3544 {
3545 	struct be_mcc_wrb *wrb;
3546 	struct be_cmd_enable_disable_vf *req;
3547 	int status;
3548 
3549 	if (BEx_chip(adapter))
3550 		return 0;
3551 
3552 	spin_lock_bh(&adapter->mcc_lock);
3553 
3554 	wrb = wrb_from_mccq(adapter);
3555 	if (!wrb) {
3556 		status = -EBUSY;
3557 		goto err;
3558 	}
3559 
3560 	req = embedded_payload(wrb);
3561 
3562 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
3563 			       OPCODE_COMMON_ENABLE_DISABLE_VF, sizeof(*req),
3564 			       wrb, NULL);
3565 
3566 	req->hdr.domain = domain;
3567 	req->enable = 1;
3568 	status = be_mcc_notify_wait(adapter);
3569 err:
3570 	spin_unlock_bh(&adapter->mcc_lock);
3571 	return status;
3572 }
3573 
3574 int be_cmd_intr_set(struct be_adapter *adapter, bool intr_enable)
3575 {
3576 	struct be_mcc_wrb *wrb;
3577 	struct be_cmd_req_intr_set *req;
3578 	int status;
3579 
3580 	if (mutex_lock_interruptible(&adapter->mbox_lock))
3581 		return -1;
3582 
3583 	wrb = wrb_from_mbox(adapter);
3584 
3585 	req = embedded_payload(wrb);
3586 
3587 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
3588 			       OPCODE_COMMON_SET_INTERRUPT_ENABLE, sizeof(*req),
3589 			       wrb, NULL);
3590 
3591 	req->intr_enabled = intr_enable;
3592 
3593 	status = be_mbox_notify_wait(adapter);
3594 
3595 	mutex_unlock(&adapter->mbox_lock);
3596 	return status;
3597 }
3598 
3599 int be_roce_mcc_cmd(void *netdev_handle, void *wrb_payload,
3600 			int wrb_payload_size, u16 *cmd_status, u16 *ext_status)
3601 {
3602 	struct be_adapter *adapter = netdev_priv(netdev_handle);
3603 	struct be_mcc_wrb *wrb;
3604 	struct be_cmd_req_hdr *hdr = (struct be_cmd_req_hdr *) wrb_payload;
3605 	struct be_cmd_req_hdr *req;
3606 	struct be_cmd_resp_hdr *resp;
3607 	int status;
3608 
3609 	spin_lock_bh(&adapter->mcc_lock);
3610 
3611 	wrb = wrb_from_mccq(adapter);
3612 	if (!wrb) {
3613 		status = -EBUSY;
3614 		goto err;
3615 	}
3616 	req = embedded_payload(wrb);
3617 	resp = embedded_payload(wrb);
3618 
3619 	be_wrb_cmd_hdr_prepare(req, hdr->subsystem,
3620 			       hdr->opcode, wrb_payload_size, wrb, NULL);
3621 	memcpy(req, wrb_payload, wrb_payload_size);
3622 	be_dws_cpu_to_le(req, wrb_payload_size);
3623 
3624 	status = be_mcc_notify_wait(adapter);
3625 	if (cmd_status)
3626 		*cmd_status = (status & 0xffff);
3627 	if (ext_status)
3628 		*ext_status = 0;
3629 	memcpy(wrb_payload, resp, sizeof(*resp) + resp->response_length);
3630 	be_dws_le_to_cpu(wrb_payload, sizeof(*resp) + resp->response_length);
3631 err:
3632 	spin_unlock_bh(&adapter->mcc_lock);
3633 	return status;
3634 }
3635 EXPORT_SYMBOL(be_roce_mcc_cmd);
3636