1 /*
2  * Copyright (C) 2005 - 2015 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 char *be_port_misconfig_evt_desc[] = {
23 	"A valid SFP module detected",
24 	"Optics faulted/ incorrectly installed/ not installed.",
25 	"Optics of two types installed.",
26 	"Incompatible optics.",
27 	"Unknown port SFP status"
28 };
29 
30 static char *be_port_misconfig_remedy_desc[] = {
31 	"",
32 	"Reseat optics. If issue not resolved, replace",
33 	"Remove one optic or install matching pair of optics",
34 	"Replace with compatible optics for card to function",
35 	""
36 };
37 
38 static struct be_cmd_priv_map cmd_priv_map[] = {
39 	{
40 		OPCODE_ETH_ACPI_WOL_MAGIC_CONFIG,
41 		CMD_SUBSYSTEM_ETH,
42 		BE_PRIV_LNKMGMT | BE_PRIV_VHADM |
43 		BE_PRIV_DEVCFG | BE_PRIV_DEVSEC
44 	},
45 	{
46 		OPCODE_COMMON_GET_FLOW_CONTROL,
47 		CMD_SUBSYSTEM_COMMON,
48 		BE_PRIV_LNKQUERY | BE_PRIV_VHADM |
49 		BE_PRIV_DEVCFG | BE_PRIV_DEVSEC
50 	},
51 	{
52 		OPCODE_COMMON_SET_FLOW_CONTROL,
53 		CMD_SUBSYSTEM_COMMON,
54 		BE_PRIV_LNKMGMT | BE_PRIV_VHADM |
55 		BE_PRIV_DEVCFG | BE_PRIV_DEVSEC
56 	},
57 	{
58 		OPCODE_ETH_GET_PPORT_STATS,
59 		CMD_SUBSYSTEM_ETH,
60 		BE_PRIV_LNKMGMT | BE_PRIV_VHADM |
61 		BE_PRIV_DEVCFG | BE_PRIV_DEVSEC
62 	},
63 	{
64 		OPCODE_COMMON_GET_PHY_DETAILS,
65 		CMD_SUBSYSTEM_COMMON,
66 		BE_PRIV_LNKMGMT | BE_PRIV_VHADM |
67 		BE_PRIV_DEVCFG | BE_PRIV_DEVSEC
68 	}
69 };
70 
71 static bool be_cmd_allowed(struct be_adapter *adapter, u8 opcode, u8 subsystem)
72 {
73 	int i;
74 	int num_entries = sizeof(cmd_priv_map)/sizeof(struct be_cmd_priv_map);
75 	u32 cmd_privileges = adapter->cmd_privileges;
76 
77 	for (i = 0; i < num_entries; i++)
78 		if (opcode == cmd_priv_map[i].opcode &&
79 		    subsystem == cmd_priv_map[i].subsystem)
80 			if (!(cmd_privileges & cmd_priv_map[i].priv_mask))
81 				return false;
82 
83 	return true;
84 }
85 
86 static inline void *embedded_payload(struct be_mcc_wrb *wrb)
87 {
88 	return wrb->payload.embedded_payload;
89 }
90 
91 static int be_mcc_notify(struct be_adapter *adapter)
92 {
93 	struct be_queue_info *mccq = &adapter->mcc_obj.q;
94 	u32 val = 0;
95 
96 	if (be_check_error(adapter, BE_ERROR_ANY))
97 		return -EIO;
98 
99 	val |= mccq->id & DB_MCCQ_RING_ID_MASK;
100 	val |= 1 << DB_MCCQ_NUM_POSTED_SHIFT;
101 
102 	wmb();
103 	iowrite32(val, adapter->db + DB_MCCQ_OFFSET);
104 
105 	return 0;
106 }
107 
108 /* To check if valid bit is set, check the entire word as we don't know
109  * the endianness of the data (old entry is host endian while a new entry is
110  * little endian) */
111 static inline bool be_mcc_compl_is_new(struct be_mcc_compl *compl)
112 {
113 	u32 flags;
114 
115 	if (compl->flags != 0) {
116 		flags = le32_to_cpu(compl->flags);
117 		if (flags & CQE_FLAGS_VALID_MASK) {
118 			compl->flags = flags;
119 			return true;
120 		}
121 	}
122 	return false;
123 }
124 
125 /* Need to reset the entire word that houses the valid bit */
126 static inline void be_mcc_compl_use(struct be_mcc_compl *compl)
127 {
128 	compl->flags = 0;
129 }
130 
131 static struct be_cmd_resp_hdr *be_decode_resp_hdr(u32 tag0, u32 tag1)
132 {
133 	unsigned long addr;
134 
135 	addr = tag1;
136 	addr = ((addr << 16) << 16) | tag0;
137 	return (void *)addr;
138 }
139 
140 static bool be_skip_err_log(u8 opcode, u16 base_status, u16 addl_status)
141 {
142 	if (base_status == MCC_STATUS_NOT_SUPPORTED ||
143 	    base_status == MCC_STATUS_ILLEGAL_REQUEST ||
144 	    addl_status == MCC_ADDL_STATUS_TOO_MANY_INTERFACES ||
145 	    addl_status == MCC_ADDL_STATUS_INSUFFICIENT_VLANS ||
146 	    (opcode == OPCODE_COMMON_WRITE_FLASHROM &&
147 	    (base_status == MCC_STATUS_ILLEGAL_FIELD ||
148 	     addl_status == MCC_ADDL_STATUS_FLASH_IMAGE_CRC_MISMATCH)))
149 		return true;
150 	else
151 		return false;
152 }
153 
154 /* Place holder for all the async MCC cmds wherein the caller is not in a busy
155  * loop (has not issued be_mcc_notify_wait())
156  */
157 static void be_async_cmd_process(struct be_adapter *adapter,
158 				 struct be_mcc_compl *compl,
159 				 struct be_cmd_resp_hdr *resp_hdr)
160 {
161 	enum mcc_base_status base_status = base_status(compl->status);
162 	u8 opcode = 0, subsystem = 0;
163 
164 	if (resp_hdr) {
165 		opcode = resp_hdr->opcode;
166 		subsystem = resp_hdr->subsystem;
167 	}
168 
169 	if (opcode == OPCODE_LOWLEVEL_LOOPBACK_TEST &&
170 	    subsystem == CMD_SUBSYSTEM_LOWLEVEL) {
171 		complete(&adapter->et_cmd_compl);
172 		return;
173 	}
174 
175 	if (opcode == OPCODE_LOWLEVEL_SET_LOOPBACK_MODE &&
176 	    subsystem == CMD_SUBSYSTEM_LOWLEVEL) {
177 		complete(&adapter->et_cmd_compl);
178 		return;
179 	}
180 
181 	if ((opcode == OPCODE_COMMON_WRITE_FLASHROM ||
182 	     opcode == OPCODE_COMMON_WRITE_OBJECT) &&
183 	    subsystem == CMD_SUBSYSTEM_COMMON) {
184 		adapter->flash_status = compl->status;
185 		complete(&adapter->et_cmd_compl);
186 		return;
187 	}
188 
189 	if ((opcode == OPCODE_ETH_GET_STATISTICS ||
190 	     opcode == OPCODE_ETH_GET_PPORT_STATS) &&
191 	    subsystem == CMD_SUBSYSTEM_ETH &&
192 	    base_status == MCC_STATUS_SUCCESS) {
193 		be_parse_stats(adapter);
194 		adapter->stats_cmd_sent = false;
195 		return;
196 	}
197 
198 	if (opcode == OPCODE_COMMON_GET_CNTL_ADDITIONAL_ATTRIBUTES &&
199 	    subsystem == CMD_SUBSYSTEM_COMMON) {
200 		if (base_status == MCC_STATUS_SUCCESS) {
201 			struct be_cmd_resp_get_cntl_addnl_attribs *resp =
202 							(void *)resp_hdr;
203 			adapter->hwmon_info.be_on_die_temp =
204 						resp->on_die_temperature;
205 		} else {
206 			adapter->be_get_temp_freq = 0;
207 			adapter->hwmon_info.be_on_die_temp =
208 						BE_INVALID_DIE_TEMP;
209 		}
210 		return;
211 	}
212 }
213 
214 static int be_mcc_compl_process(struct be_adapter *adapter,
215 				struct be_mcc_compl *compl)
216 {
217 	enum mcc_base_status base_status;
218 	enum mcc_addl_status addl_status;
219 	struct be_cmd_resp_hdr *resp_hdr;
220 	u8 opcode = 0, subsystem = 0;
221 
222 	/* Just swap the status to host endian; mcc tag is opaquely copied
223 	 * from mcc_wrb */
224 	be_dws_le_to_cpu(compl, 4);
225 
226 	base_status = base_status(compl->status);
227 	addl_status = addl_status(compl->status);
228 
229 	resp_hdr = be_decode_resp_hdr(compl->tag0, compl->tag1);
230 	if (resp_hdr) {
231 		opcode = resp_hdr->opcode;
232 		subsystem = resp_hdr->subsystem;
233 	}
234 
235 	be_async_cmd_process(adapter, compl, resp_hdr);
236 
237 	if (base_status != MCC_STATUS_SUCCESS &&
238 	    !be_skip_err_log(opcode, base_status, addl_status)) {
239 		if (base_status == MCC_STATUS_UNAUTHORIZED_REQUEST) {
240 			dev_warn(&adapter->pdev->dev,
241 				 "VF is not privileged to issue opcode %d-%d\n",
242 				 opcode, subsystem);
243 		} else {
244 			dev_err(&adapter->pdev->dev,
245 				"opcode %d-%d failed:status %d-%d\n",
246 				opcode, subsystem, base_status, addl_status);
247 		}
248 	}
249 	return compl->status;
250 }
251 
252 /* Link state evt is a string of bytes; no need for endian swapping */
253 static void be_async_link_state_process(struct be_adapter *adapter,
254 					struct be_mcc_compl *compl)
255 {
256 	struct be_async_event_link_state *evt =
257 			(struct be_async_event_link_state *)compl;
258 
259 	/* When link status changes, link speed must be re-queried from FW */
260 	adapter->phy.link_speed = -1;
261 
262 	/* On BEx the FW does not send a separate link status
263 	 * notification for physical and logical link.
264 	 * On other chips just process the logical link
265 	 * status notification
266 	 */
267 	if (!BEx_chip(adapter) &&
268 	    !(evt->port_link_status & LOGICAL_LINK_STATUS_MASK))
269 		return;
270 
271 	/* For the initial link status do not rely on the ASYNC event as
272 	 * it may not be received in some cases.
273 	 */
274 	if (adapter->flags & BE_FLAGS_LINK_STATUS_INIT)
275 		be_link_status_update(adapter,
276 				      evt->port_link_status & LINK_STATUS_MASK);
277 }
278 
279 static void be_async_port_misconfig_event_process(struct be_adapter *adapter,
280 						  struct be_mcc_compl *compl)
281 {
282 	struct be_async_event_misconfig_port *evt =
283 			(struct be_async_event_misconfig_port *)compl;
284 	u32 sfp_mismatch_evt = le32_to_cpu(evt->event_data_word1);
285 	struct device *dev = &adapter->pdev->dev;
286 	u8 port_misconfig_evt;
287 
288 	port_misconfig_evt =
289 		((sfp_mismatch_evt >> (adapter->hba_port_num * 8)) & 0xff);
290 
291 	/* Log an error message that would allow a user to determine
292 	 * whether the SFPs have an issue
293 	 */
294 	dev_info(dev, "Port %c: %s %s", adapter->port_name,
295 		 be_port_misconfig_evt_desc[port_misconfig_evt],
296 		 be_port_misconfig_remedy_desc[port_misconfig_evt]);
297 
298 	if (port_misconfig_evt == INCOMPATIBLE_SFP)
299 		adapter->flags |= BE_FLAGS_EVT_INCOMPATIBLE_SFP;
300 }
301 
302 /* Grp5 CoS Priority evt */
303 static void be_async_grp5_cos_priority_process(struct be_adapter *adapter,
304 					       struct be_mcc_compl *compl)
305 {
306 	struct be_async_event_grp5_cos_priority *evt =
307 			(struct be_async_event_grp5_cos_priority *)compl;
308 
309 	if (evt->valid) {
310 		adapter->vlan_prio_bmap = evt->available_priority_bmap;
311 		adapter->recommended_prio &= ~VLAN_PRIO_MASK;
312 		adapter->recommended_prio =
313 			evt->reco_default_priority << VLAN_PRIO_SHIFT;
314 	}
315 }
316 
317 /* Grp5 QOS Speed evt: qos_link_speed is in units of 10 Mbps */
318 static void be_async_grp5_qos_speed_process(struct be_adapter *adapter,
319 					    struct be_mcc_compl *compl)
320 {
321 	struct be_async_event_grp5_qos_link_speed *evt =
322 			(struct be_async_event_grp5_qos_link_speed *)compl;
323 
324 	if (adapter->phy.link_speed >= 0 &&
325 	    evt->physical_port == adapter->port_num)
326 		adapter->phy.link_speed = le16_to_cpu(evt->qos_link_speed) * 10;
327 }
328 
329 /*Grp5 PVID evt*/
330 static void be_async_grp5_pvid_state_process(struct be_adapter *adapter,
331 					     struct be_mcc_compl *compl)
332 {
333 	struct be_async_event_grp5_pvid_state *evt =
334 			(struct be_async_event_grp5_pvid_state *)compl;
335 
336 	if (evt->enabled) {
337 		adapter->pvid = le16_to_cpu(evt->tag) & VLAN_VID_MASK;
338 		dev_info(&adapter->pdev->dev, "LPVID: %d\n", adapter->pvid);
339 	} else {
340 		adapter->pvid = 0;
341 	}
342 }
343 
344 #define MGMT_ENABLE_MASK	0x4
345 static void be_async_grp5_fw_control_process(struct be_adapter *adapter,
346 					     struct be_mcc_compl *compl)
347 {
348 	struct be_async_fw_control *evt = (struct be_async_fw_control *)compl;
349 	u32 evt_dw1 = le32_to_cpu(evt->event_data_word1);
350 
351 	if (evt_dw1 & MGMT_ENABLE_MASK) {
352 		adapter->flags |= BE_FLAGS_OS2BMC;
353 		adapter->bmc_filt_mask = le32_to_cpu(evt->event_data_word2);
354 	} else {
355 		adapter->flags &= ~BE_FLAGS_OS2BMC;
356 	}
357 }
358 
359 static void be_async_grp5_evt_process(struct be_adapter *adapter,
360 				      struct be_mcc_compl *compl)
361 {
362 	u8 event_type = (compl->flags >> ASYNC_EVENT_TYPE_SHIFT) &
363 				ASYNC_EVENT_TYPE_MASK;
364 
365 	switch (event_type) {
366 	case ASYNC_EVENT_COS_PRIORITY:
367 		be_async_grp5_cos_priority_process(adapter, compl);
368 		break;
369 	case ASYNC_EVENT_QOS_SPEED:
370 		be_async_grp5_qos_speed_process(adapter, compl);
371 		break;
372 	case ASYNC_EVENT_PVID_STATE:
373 		be_async_grp5_pvid_state_process(adapter, compl);
374 		break;
375 	/* Async event to disable/enable os2bmc and/or mac-learning */
376 	case ASYNC_EVENT_FW_CONTROL:
377 		be_async_grp5_fw_control_process(adapter, compl);
378 		break;
379 	default:
380 		break;
381 	}
382 }
383 
384 static void be_async_dbg_evt_process(struct be_adapter *adapter,
385 				     struct be_mcc_compl *cmp)
386 {
387 	u8 event_type = 0;
388 	struct be_async_event_qnq *evt = (struct be_async_event_qnq *)cmp;
389 
390 	event_type = (cmp->flags >> ASYNC_EVENT_TYPE_SHIFT) &
391 			ASYNC_EVENT_TYPE_MASK;
392 
393 	switch (event_type) {
394 	case ASYNC_DEBUG_EVENT_TYPE_QNQ:
395 		if (evt->valid)
396 			adapter->qnq_vid = le16_to_cpu(evt->vlan_tag);
397 		adapter->flags |= BE_FLAGS_QNQ_ASYNC_EVT_RCVD;
398 	break;
399 	default:
400 		dev_warn(&adapter->pdev->dev, "Unknown debug event 0x%x!\n",
401 			 event_type);
402 	break;
403 	}
404 }
405 
406 static void be_async_sliport_evt_process(struct be_adapter *adapter,
407 					 struct be_mcc_compl *cmp)
408 {
409 	u8 event_type = (cmp->flags >> ASYNC_EVENT_TYPE_SHIFT) &
410 			ASYNC_EVENT_TYPE_MASK;
411 
412 	if (event_type == ASYNC_EVENT_PORT_MISCONFIG)
413 		be_async_port_misconfig_event_process(adapter, cmp);
414 }
415 
416 static inline bool is_link_state_evt(u32 flags)
417 {
418 	return ((flags >> ASYNC_EVENT_CODE_SHIFT) & ASYNC_EVENT_CODE_MASK) ==
419 			ASYNC_EVENT_CODE_LINK_STATE;
420 }
421 
422 static inline bool is_grp5_evt(u32 flags)
423 {
424 	return ((flags >> ASYNC_EVENT_CODE_SHIFT) & ASYNC_EVENT_CODE_MASK) ==
425 			ASYNC_EVENT_CODE_GRP_5;
426 }
427 
428 static inline bool is_dbg_evt(u32 flags)
429 {
430 	return ((flags >> ASYNC_EVENT_CODE_SHIFT) & ASYNC_EVENT_CODE_MASK) ==
431 			ASYNC_EVENT_CODE_QNQ;
432 }
433 
434 static inline bool is_sliport_evt(u32 flags)
435 {
436 	return ((flags >> ASYNC_EVENT_CODE_SHIFT) & ASYNC_EVENT_CODE_MASK) ==
437 		ASYNC_EVENT_CODE_SLIPORT;
438 }
439 
440 static void be_mcc_event_process(struct be_adapter *adapter,
441 				 struct be_mcc_compl *compl)
442 {
443 	if (is_link_state_evt(compl->flags))
444 		be_async_link_state_process(adapter, compl);
445 	else if (is_grp5_evt(compl->flags))
446 		be_async_grp5_evt_process(adapter, compl);
447 	else if (is_dbg_evt(compl->flags))
448 		be_async_dbg_evt_process(adapter, compl);
449 	else if (is_sliport_evt(compl->flags))
450 		be_async_sliport_evt_process(adapter, compl);
451 }
452 
453 static struct be_mcc_compl *be_mcc_compl_get(struct be_adapter *adapter)
454 {
455 	struct be_queue_info *mcc_cq = &adapter->mcc_obj.cq;
456 	struct be_mcc_compl *compl = queue_tail_node(mcc_cq);
457 
458 	if (be_mcc_compl_is_new(compl)) {
459 		queue_tail_inc(mcc_cq);
460 		return compl;
461 	}
462 	return NULL;
463 }
464 
465 void be_async_mcc_enable(struct be_adapter *adapter)
466 {
467 	spin_lock_bh(&adapter->mcc_cq_lock);
468 
469 	be_cq_notify(adapter, adapter->mcc_obj.cq.id, true, 0);
470 	adapter->mcc_obj.rearm_cq = true;
471 
472 	spin_unlock_bh(&adapter->mcc_cq_lock);
473 }
474 
475 void be_async_mcc_disable(struct be_adapter *adapter)
476 {
477 	spin_lock_bh(&adapter->mcc_cq_lock);
478 
479 	adapter->mcc_obj.rearm_cq = false;
480 	be_cq_notify(adapter, adapter->mcc_obj.cq.id, false, 0);
481 
482 	spin_unlock_bh(&adapter->mcc_cq_lock);
483 }
484 
485 int be_process_mcc(struct be_adapter *adapter)
486 {
487 	struct be_mcc_compl *compl;
488 	int num = 0, status = 0;
489 	struct be_mcc_obj *mcc_obj = &adapter->mcc_obj;
490 
491 	spin_lock(&adapter->mcc_cq_lock);
492 
493 	while ((compl = be_mcc_compl_get(adapter))) {
494 		if (compl->flags & CQE_FLAGS_ASYNC_MASK) {
495 			be_mcc_event_process(adapter, compl);
496 		} else if (compl->flags & CQE_FLAGS_COMPLETED_MASK) {
497 			status = be_mcc_compl_process(adapter, compl);
498 			atomic_dec(&mcc_obj->q.used);
499 		}
500 		be_mcc_compl_use(compl);
501 		num++;
502 	}
503 
504 	if (num)
505 		be_cq_notify(adapter, mcc_obj->cq.id, mcc_obj->rearm_cq, num);
506 
507 	spin_unlock(&adapter->mcc_cq_lock);
508 	return status;
509 }
510 
511 /* Wait till no more pending mcc requests are present */
512 static int be_mcc_wait_compl(struct be_adapter *adapter)
513 {
514 #define mcc_timeout		120000 /* 12s timeout */
515 	int i, status = 0;
516 	struct be_mcc_obj *mcc_obj = &adapter->mcc_obj;
517 
518 	for (i = 0; i < mcc_timeout; i++) {
519 		if (be_check_error(adapter, BE_ERROR_ANY))
520 			return -EIO;
521 
522 		local_bh_disable();
523 		status = be_process_mcc(adapter);
524 		local_bh_enable();
525 
526 		if (atomic_read(&mcc_obj->q.used) == 0)
527 			break;
528 		udelay(100);
529 	}
530 	if (i == mcc_timeout) {
531 		dev_err(&adapter->pdev->dev, "FW not responding\n");
532 		be_set_error(adapter, BE_ERROR_FW);
533 		return -EIO;
534 	}
535 	return status;
536 }
537 
538 /* Notify MCC requests and wait for completion */
539 static int be_mcc_notify_wait(struct be_adapter *adapter)
540 {
541 	int status;
542 	struct be_mcc_wrb *wrb;
543 	struct be_mcc_obj *mcc_obj = &adapter->mcc_obj;
544 	u16 index = mcc_obj->q.head;
545 	struct be_cmd_resp_hdr *resp;
546 
547 	index_dec(&index, mcc_obj->q.len);
548 	wrb = queue_index_node(&mcc_obj->q, index);
549 
550 	resp = be_decode_resp_hdr(wrb->tag0, wrb->tag1);
551 
552 	status = be_mcc_notify(adapter);
553 	if (status)
554 		goto out;
555 
556 	status = be_mcc_wait_compl(adapter);
557 	if (status == -EIO)
558 		goto out;
559 
560 	status = (resp->base_status |
561 		  ((resp->addl_status & CQE_ADDL_STATUS_MASK) <<
562 		   CQE_ADDL_STATUS_SHIFT));
563 out:
564 	return status;
565 }
566 
567 static int be_mbox_db_ready_wait(struct be_adapter *adapter, void __iomem *db)
568 {
569 	int msecs = 0;
570 	u32 ready;
571 
572 	do {
573 		if (be_check_error(adapter, BE_ERROR_ANY))
574 			return -EIO;
575 
576 		ready = ioread32(db);
577 		if (ready == 0xffffffff)
578 			return -1;
579 
580 		ready &= MPU_MAILBOX_DB_RDY_MASK;
581 		if (ready)
582 			break;
583 
584 		if (msecs > 4000) {
585 			dev_err(&adapter->pdev->dev, "FW not responding\n");
586 			be_set_error(adapter, BE_ERROR_FW);
587 			be_detect_error(adapter);
588 			return -1;
589 		}
590 
591 		msleep(1);
592 		msecs++;
593 	} while (true);
594 
595 	return 0;
596 }
597 
598 /*
599  * Insert the mailbox address into the doorbell in two steps
600  * Polls on the mbox doorbell till a command completion (or a timeout) occurs
601  */
602 static int be_mbox_notify_wait(struct be_adapter *adapter)
603 {
604 	int status;
605 	u32 val = 0;
606 	void __iomem *db = adapter->db + MPU_MAILBOX_DB_OFFSET;
607 	struct be_dma_mem *mbox_mem = &adapter->mbox_mem;
608 	struct be_mcc_mailbox *mbox = mbox_mem->va;
609 	struct be_mcc_compl *compl = &mbox->compl;
610 
611 	/* wait for ready to be set */
612 	status = be_mbox_db_ready_wait(adapter, db);
613 	if (status != 0)
614 		return status;
615 
616 	val |= MPU_MAILBOX_DB_HI_MASK;
617 	/* at bits 2 - 31 place mbox dma addr msb bits 34 - 63 */
618 	val |= (upper_32_bits(mbox_mem->dma) >> 2) << 2;
619 	iowrite32(val, db);
620 
621 	/* wait for ready to be set */
622 	status = be_mbox_db_ready_wait(adapter, db);
623 	if (status != 0)
624 		return status;
625 
626 	val = 0;
627 	/* at bits 2 - 31 place mbox dma addr lsb bits 4 - 33 */
628 	val |= (u32)(mbox_mem->dma >> 4) << 2;
629 	iowrite32(val, db);
630 
631 	status = be_mbox_db_ready_wait(adapter, db);
632 	if (status != 0)
633 		return status;
634 
635 	/* A cq entry has been made now */
636 	if (be_mcc_compl_is_new(compl)) {
637 		status = be_mcc_compl_process(adapter, &mbox->compl);
638 		be_mcc_compl_use(compl);
639 		if (status)
640 			return status;
641 	} else {
642 		dev_err(&adapter->pdev->dev, "invalid mailbox completion\n");
643 		return -1;
644 	}
645 	return 0;
646 }
647 
648 static u16 be_POST_stage_get(struct be_adapter *adapter)
649 {
650 	u32 sem;
651 
652 	if (BEx_chip(adapter))
653 		sem  = ioread32(adapter->csr + SLIPORT_SEMAPHORE_OFFSET_BEx);
654 	else
655 		pci_read_config_dword(adapter->pdev,
656 				      SLIPORT_SEMAPHORE_OFFSET_SH, &sem);
657 
658 	return sem & POST_STAGE_MASK;
659 }
660 
661 static int lancer_wait_ready(struct be_adapter *adapter)
662 {
663 #define SLIPORT_READY_TIMEOUT 30
664 	u32 sliport_status;
665 	int i;
666 
667 	for (i = 0; i < SLIPORT_READY_TIMEOUT; i++) {
668 		sliport_status = ioread32(adapter->db + SLIPORT_STATUS_OFFSET);
669 		if (sliport_status & SLIPORT_STATUS_RDY_MASK)
670 			return 0;
671 
672 		if (sliport_status & SLIPORT_STATUS_ERR_MASK &&
673 		    !(sliport_status & SLIPORT_STATUS_RN_MASK))
674 			return -EIO;
675 
676 		msleep(1000);
677 	}
678 
679 	return sliport_status ? : -1;
680 }
681 
682 int be_fw_wait_ready(struct be_adapter *adapter)
683 {
684 	u16 stage;
685 	int status, timeout = 0;
686 	struct device *dev = &adapter->pdev->dev;
687 
688 	if (lancer_chip(adapter)) {
689 		status = lancer_wait_ready(adapter);
690 		if (status) {
691 			stage = status;
692 			goto err;
693 		}
694 		return 0;
695 	}
696 
697 	do {
698 		/* There's no means to poll POST state on BE2/3 VFs */
699 		if (BEx_chip(adapter) && be_virtfn(adapter))
700 			return 0;
701 
702 		stage = be_POST_stage_get(adapter);
703 		if (stage == POST_STAGE_ARMFW_RDY)
704 			return 0;
705 
706 		dev_info(dev, "Waiting for POST, %ds elapsed\n", timeout);
707 		if (msleep_interruptible(2000)) {
708 			dev_err(dev, "Waiting for POST aborted\n");
709 			return -EINTR;
710 		}
711 		timeout += 2;
712 	} while (timeout < 60);
713 
714 err:
715 	dev_err(dev, "POST timeout; stage=%#x\n", stage);
716 	return -ETIMEDOUT;
717 }
718 
719 static inline struct be_sge *nonembedded_sgl(struct be_mcc_wrb *wrb)
720 {
721 	return &wrb->payload.sgl[0];
722 }
723 
724 static inline void fill_wrb_tags(struct be_mcc_wrb *wrb, unsigned long addr)
725 {
726 	wrb->tag0 = addr & 0xFFFFFFFF;
727 	wrb->tag1 = upper_32_bits(addr);
728 }
729 
730 /* Don't touch the hdr after it's prepared */
731 /* mem will be NULL for embedded commands */
732 static void be_wrb_cmd_hdr_prepare(struct be_cmd_req_hdr *req_hdr,
733 				   u8 subsystem, u8 opcode, int cmd_len,
734 				   struct be_mcc_wrb *wrb,
735 				   struct be_dma_mem *mem)
736 {
737 	struct be_sge *sge;
738 
739 	req_hdr->opcode = opcode;
740 	req_hdr->subsystem = subsystem;
741 	req_hdr->request_length = cpu_to_le32(cmd_len - sizeof(*req_hdr));
742 	req_hdr->version = 0;
743 	fill_wrb_tags(wrb, (ulong) req_hdr);
744 	wrb->payload_length = cmd_len;
745 	if (mem) {
746 		wrb->embedded |= (1 & MCC_WRB_SGE_CNT_MASK) <<
747 			MCC_WRB_SGE_CNT_SHIFT;
748 		sge = nonembedded_sgl(wrb);
749 		sge->pa_hi = cpu_to_le32(upper_32_bits(mem->dma));
750 		sge->pa_lo = cpu_to_le32(mem->dma & 0xFFFFFFFF);
751 		sge->len = cpu_to_le32(mem->size);
752 	} else
753 		wrb->embedded |= MCC_WRB_EMBEDDED_MASK;
754 	be_dws_cpu_to_le(wrb, 8);
755 }
756 
757 static void be_cmd_page_addrs_prepare(struct phys_addr *pages, u32 max_pages,
758 				      struct be_dma_mem *mem)
759 {
760 	int i, buf_pages = min(PAGES_4K_SPANNED(mem->va, mem->size), max_pages);
761 	u64 dma = (u64)mem->dma;
762 
763 	for (i = 0; i < buf_pages; i++) {
764 		pages[i].lo = cpu_to_le32(dma & 0xFFFFFFFF);
765 		pages[i].hi = cpu_to_le32(upper_32_bits(dma));
766 		dma += PAGE_SIZE_4K;
767 	}
768 }
769 
770 static inline struct be_mcc_wrb *wrb_from_mbox(struct be_adapter *adapter)
771 {
772 	struct be_dma_mem *mbox_mem = &adapter->mbox_mem;
773 	struct be_mcc_wrb *wrb
774 		= &((struct be_mcc_mailbox *)(mbox_mem->va))->wrb;
775 	memset(wrb, 0, sizeof(*wrb));
776 	return wrb;
777 }
778 
779 static struct be_mcc_wrb *wrb_from_mccq(struct be_adapter *adapter)
780 {
781 	struct be_queue_info *mccq = &adapter->mcc_obj.q;
782 	struct be_mcc_wrb *wrb;
783 
784 	if (!mccq->created)
785 		return NULL;
786 
787 	if (atomic_read(&mccq->used) >= mccq->len)
788 		return NULL;
789 
790 	wrb = queue_head_node(mccq);
791 	queue_head_inc(mccq);
792 	atomic_inc(&mccq->used);
793 	memset(wrb, 0, sizeof(*wrb));
794 	return wrb;
795 }
796 
797 static bool use_mcc(struct be_adapter *adapter)
798 {
799 	return adapter->mcc_obj.q.created;
800 }
801 
802 /* Must be used only in process context */
803 static int be_cmd_lock(struct be_adapter *adapter)
804 {
805 	if (use_mcc(adapter)) {
806 		spin_lock_bh(&adapter->mcc_lock);
807 		return 0;
808 	} else {
809 		return mutex_lock_interruptible(&adapter->mbox_lock);
810 	}
811 }
812 
813 /* Must be used only in process context */
814 static void be_cmd_unlock(struct be_adapter *adapter)
815 {
816 	if (use_mcc(adapter))
817 		spin_unlock_bh(&adapter->mcc_lock);
818 	else
819 		return mutex_unlock(&adapter->mbox_lock);
820 }
821 
822 static struct be_mcc_wrb *be_cmd_copy(struct be_adapter *adapter,
823 				      struct be_mcc_wrb *wrb)
824 {
825 	struct be_mcc_wrb *dest_wrb;
826 
827 	if (use_mcc(adapter)) {
828 		dest_wrb = wrb_from_mccq(adapter);
829 		if (!dest_wrb)
830 			return NULL;
831 	} else {
832 		dest_wrb = wrb_from_mbox(adapter);
833 	}
834 
835 	memcpy(dest_wrb, wrb, sizeof(*wrb));
836 	if (wrb->embedded & cpu_to_le32(MCC_WRB_EMBEDDED_MASK))
837 		fill_wrb_tags(dest_wrb, (ulong) embedded_payload(wrb));
838 
839 	return dest_wrb;
840 }
841 
842 /* Must be used only in process context */
843 static int be_cmd_notify_wait(struct be_adapter *adapter,
844 			      struct be_mcc_wrb *wrb)
845 {
846 	struct be_mcc_wrb *dest_wrb;
847 	int status;
848 
849 	status = be_cmd_lock(adapter);
850 	if (status)
851 		return status;
852 
853 	dest_wrb = be_cmd_copy(adapter, wrb);
854 	if (!dest_wrb) {
855 		status = -EBUSY;
856 		goto unlock;
857 	}
858 
859 	if (use_mcc(adapter))
860 		status = be_mcc_notify_wait(adapter);
861 	else
862 		status = be_mbox_notify_wait(adapter);
863 
864 	if (!status)
865 		memcpy(wrb, dest_wrb, sizeof(*wrb));
866 
867 unlock:
868 	be_cmd_unlock(adapter);
869 	return status;
870 }
871 
872 /* Tell fw we're about to start firing cmds by writing a
873  * special pattern across the wrb hdr; uses mbox
874  */
875 int be_cmd_fw_init(struct be_adapter *adapter)
876 {
877 	u8 *wrb;
878 	int status;
879 
880 	if (lancer_chip(adapter))
881 		return 0;
882 
883 	if (mutex_lock_interruptible(&adapter->mbox_lock))
884 		return -1;
885 
886 	wrb = (u8 *)wrb_from_mbox(adapter);
887 	*wrb++ = 0xFF;
888 	*wrb++ = 0x12;
889 	*wrb++ = 0x34;
890 	*wrb++ = 0xFF;
891 	*wrb++ = 0xFF;
892 	*wrb++ = 0x56;
893 	*wrb++ = 0x78;
894 	*wrb = 0xFF;
895 
896 	status = be_mbox_notify_wait(adapter);
897 
898 	mutex_unlock(&adapter->mbox_lock);
899 	return status;
900 }
901 
902 /* Tell fw we're done with firing cmds by writing a
903  * special pattern across the wrb hdr; uses mbox
904  */
905 int be_cmd_fw_clean(struct be_adapter *adapter)
906 {
907 	u8 *wrb;
908 	int status;
909 
910 	if (lancer_chip(adapter))
911 		return 0;
912 
913 	if (mutex_lock_interruptible(&adapter->mbox_lock))
914 		return -1;
915 
916 	wrb = (u8 *)wrb_from_mbox(adapter);
917 	*wrb++ = 0xFF;
918 	*wrb++ = 0xAA;
919 	*wrb++ = 0xBB;
920 	*wrb++ = 0xFF;
921 	*wrb++ = 0xFF;
922 	*wrb++ = 0xCC;
923 	*wrb++ = 0xDD;
924 	*wrb = 0xFF;
925 
926 	status = be_mbox_notify_wait(adapter);
927 
928 	mutex_unlock(&adapter->mbox_lock);
929 	return status;
930 }
931 
932 int be_cmd_eq_create(struct be_adapter *adapter, struct be_eq_obj *eqo)
933 {
934 	struct be_mcc_wrb *wrb;
935 	struct be_cmd_req_eq_create *req;
936 	struct be_dma_mem *q_mem = &eqo->q.dma_mem;
937 	int status, ver = 0;
938 
939 	if (mutex_lock_interruptible(&adapter->mbox_lock))
940 		return -1;
941 
942 	wrb = wrb_from_mbox(adapter);
943 	req = embedded_payload(wrb);
944 
945 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
946 			       OPCODE_COMMON_EQ_CREATE, sizeof(*req), wrb,
947 			       NULL);
948 
949 	/* Support for EQ_CREATEv2 available only SH-R onwards */
950 	if (!(BEx_chip(adapter) || lancer_chip(adapter)))
951 		ver = 2;
952 
953 	req->hdr.version = ver;
954 	req->num_pages =  cpu_to_le16(PAGES_4K_SPANNED(q_mem->va, q_mem->size));
955 
956 	AMAP_SET_BITS(struct amap_eq_context, valid, req->context, 1);
957 	/* 4byte eqe*/
958 	AMAP_SET_BITS(struct amap_eq_context, size, req->context, 0);
959 	AMAP_SET_BITS(struct amap_eq_context, count, req->context,
960 		      __ilog2_u32(eqo->q.len / 256));
961 	be_dws_cpu_to_le(req->context, sizeof(req->context));
962 
963 	be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);
964 
965 	status = be_mbox_notify_wait(adapter);
966 	if (!status) {
967 		struct be_cmd_resp_eq_create *resp = embedded_payload(wrb);
968 
969 		eqo->q.id = le16_to_cpu(resp->eq_id);
970 		eqo->msix_idx =
971 			(ver == 2) ? le16_to_cpu(resp->msix_idx) : eqo->idx;
972 		eqo->q.created = true;
973 	}
974 
975 	mutex_unlock(&adapter->mbox_lock);
976 	return status;
977 }
978 
979 /* Use MCC */
980 int be_cmd_mac_addr_query(struct be_adapter *adapter, u8 *mac_addr,
981 			  bool permanent, u32 if_handle, u32 pmac_id)
982 {
983 	struct be_mcc_wrb *wrb;
984 	struct be_cmd_req_mac_query *req;
985 	int status;
986 
987 	spin_lock_bh(&adapter->mcc_lock);
988 
989 	wrb = wrb_from_mccq(adapter);
990 	if (!wrb) {
991 		status = -EBUSY;
992 		goto err;
993 	}
994 	req = embedded_payload(wrb);
995 
996 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
997 			       OPCODE_COMMON_NTWK_MAC_QUERY, sizeof(*req), wrb,
998 			       NULL);
999 	req->type = MAC_ADDRESS_TYPE_NETWORK;
1000 	if (permanent) {
1001 		req->permanent = 1;
1002 	} else {
1003 		req->if_id = cpu_to_le16((u16)if_handle);
1004 		req->pmac_id = cpu_to_le32(pmac_id);
1005 		req->permanent = 0;
1006 	}
1007 
1008 	status = be_mcc_notify_wait(adapter);
1009 	if (!status) {
1010 		struct be_cmd_resp_mac_query *resp = embedded_payload(wrb);
1011 
1012 		memcpy(mac_addr, resp->mac.addr, ETH_ALEN);
1013 	}
1014 
1015 err:
1016 	spin_unlock_bh(&adapter->mcc_lock);
1017 	return status;
1018 }
1019 
1020 /* Uses synchronous MCCQ */
1021 int be_cmd_pmac_add(struct be_adapter *adapter, u8 *mac_addr,
1022 		    u32 if_id, u32 *pmac_id, u32 domain)
1023 {
1024 	struct be_mcc_wrb *wrb;
1025 	struct be_cmd_req_pmac_add *req;
1026 	int status;
1027 
1028 	spin_lock_bh(&adapter->mcc_lock);
1029 
1030 	wrb = wrb_from_mccq(adapter);
1031 	if (!wrb) {
1032 		status = -EBUSY;
1033 		goto err;
1034 	}
1035 	req = embedded_payload(wrb);
1036 
1037 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1038 			       OPCODE_COMMON_NTWK_PMAC_ADD, sizeof(*req), wrb,
1039 			       NULL);
1040 
1041 	req->hdr.domain = domain;
1042 	req->if_id = cpu_to_le32(if_id);
1043 	memcpy(req->mac_address, mac_addr, ETH_ALEN);
1044 
1045 	status = be_mcc_notify_wait(adapter);
1046 	if (!status) {
1047 		struct be_cmd_resp_pmac_add *resp = embedded_payload(wrb);
1048 
1049 		*pmac_id = le32_to_cpu(resp->pmac_id);
1050 	}
1051 
1052 err:
1053 	spin_unlock_bh(&adapter->mcc_lock);
1054 
1055 	 if (status == MCC_STATUS_UNAUTHORIZED_REQUEST)
1056 		status = -EPERM;
1057 
1058 	return status;
1059 }
1060 
1061 /* Uses synchronous MCCQ */
1062 int be_cmd_pmac_del(struct be_adapter *adapter, u32 if_id, int pmac_id, u32 dom)
1063 {
1064 	struct be_mcc_wrb *wrb;
1065 	struct be_cmd_req_pmac_del *req;
1066 	int status;
1067 
1068 	if (pmac_id == -1)
1069 		return 0;
1070 
1071 	spin_lock_bh(&adapter->mcc_lock);
1072 
1073 	wrb = wrb_from_mccq(adapter);
1074 	if (!wrb) {
1075 		status = -EBUSY;
1076 		goto err;
1077 	}
1078 	req = embedded_payload(wrb);
1079 
1080 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1081 			       OPCODE_COMMON_NTWK_PMAC_DEL, sizeof(*req),
1082 			       wrb, NULL);
1083 
1084 	req->hdr.domain = dom;
1085 	req->if_id = cpu_to_le32(if_id);
1086 	req->pmac_id = cpu_to_le32(pmac_id);
1087 
1088 	status = be_mcc_notify_wait(adapter);
1089 
1090 err:
1091 	spin_unlock_bh(&adapter->mcc_lock);
1092 	return status;
1093 }
1094 
1095 /* Uses Mbox */
1096 int be_cmd_cq_create(struct be_adapter *adapter, struct be_queue_info *cq,
1097 		     struct be_queue_info *eq, bool no_delay, int coalesce_wm)
1098 {
1099 	struct be_mcc_wrb *wrb;
1100 	struct be_cmd_req_cq_create *req;
1101 	struct be_dma_mem *q_mem = &cq->dma_mem;
1102 	void *ctxt;
1103 	int status;
1104 
1105 	if (mutex_lock_interruptible(&adapter->mbox_lock))
1106 		return -1;
1107 
1108 	wrb = wrb_from_mbox(adapter);
1109 	req = embedded_payload(wrb);
1110 	ctxt = &req->context;
1111 
1112 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1113 			       OPCODE_COMMON_CQ_CREATE, sizeof(*req), wrb,
1114 			       NULL);
1115 
1116 	req->num_pages =  cpu_to_le16(PAGES_4K_SPANNED(q_mem->va, q_mem->size));
1117 
1118 	if (BEx_chip(adapter)) {
1119 		AMAP_SET_BITS(struct amap_cq_context_be, coalescwm, ctxt,
1120 			      coalesce_wm);
1121 		AMAP_SET_BITS(struct amap_cq_context_be, nodelay,
1122 			      ctxt, no_delay);
1123 		AMAP_SET_BITS(struct amap_cq_context_be, count, ctxt,
1124 			      __ilog2_u32(cq->len / 256));
1125 		AMAP_SET_BITS(struct amap_cq_context_be, valid, ctxt, 1);
1126 		AMAP_SET_BITS(struct amap_cq_context_be, eventable, ctxt, 1);
1127 		AMAP_SET_BITS(struct amap_cq_context_be, eqid, ctxt, eq->id);
1128 	} else {
1129 		req->hdr.version = 2;
1130 		req->page_size = 1; /* 1 for 4K */
1131 
1132 		/* coalesce-wm field in this cmd is not relevant to Lancer.
1133 		 * Lancer uses COMMON_MODIFY_CQ to set this field
1134 		 */
1135 		if (!lancer_chip(adapter))
1136 			AMAP_SET_BITS(struct amap_cq_context_v2, coalescwm,
1137 				      ctxt, coalesce_wm);
1138 		AMAP_SET_BITS(struct amap_cq_context_v2, nodelay, ctxt,
1139 			      no_delay);
1140 		AMAP_SET_BITS(struct amap_cq_context_v2, count, ctxt,
1141 			      __ilog2_u32(cq->len / 256));
1142 		AMAP_SET_BITS(struct amap_cq_context_v2, valid, ctxt, 1);
1143 		AMAP_SET_BITS(struct amap_cq_context_v2, eventable, ctxt, 1);
1144 		AMAP_SET_BITS(struct amap_cq_context_v2, eqid, ctxt, eq->id);
1145 	}
1146 
1147 	be_dws_cpu_to_le(ctxt, sizeof(req->context));
1148 
1149 	be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);
1150 
1151 	status = be_mbox_notify_wait(adapter);
1152 	if (!status) {
1153 		struct be_cmd_resp_cq_create *resp = embedded_payload(wrb);
1154 
1155 		cq->id = le16_to_cpu(resp->cq_id);
1156 		cq->created = true;
1157 	}
1158 
1159 	mutex_unlock(&adapter->mbox_lock);
1160 
1161 	return status;
1162 }
1163 
1164 static u32 be_encoded_q_len(int q_len)
1165 {
1166 	u32 len_encoded = fls(q_len); /* log2(len) + 1 */
1167 
1168 	if (len_encoded == 16)
1169 		len_encoded = 0;
1170 	return len_encoded;
1171 }
1172 
1173 static int be_cmd_mccq_ext_create(struct be_adapter *adapter,
1174 				  struct be_queue_info *mccq,
1175 				  struct be_queue_info *cq)
1176 {
1177 	struct be_mcc_wrb *wrb;
1178 	struct be_cmd_req_mcc_ext_create *req;
1179 	struct be_dma_mem *q_mem = &mccq->dma_mem;
1180 	void *ctxt;
1181 	int status;
1182 
1183 	if (mutex_lock_interruptible(&adapter->mbox_lock))
1184 		return -1;
1185 
1186 	wrb = wrb_from_mbox(adapter);
1187 	req = embedded_payload(wrb);
1188 	ctxt = &req->context;
1189 
1190 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1191 			       OPCODE_COMMON_MCC_CREATE_EXT, sizeof(*req), wrb,
1192 			       NULL);
1193 
1194 	req->num_pages = cpu_to_le16(PAGES_4K_SPANNED(q_mem->va, q_mem->size));
1195 	if (BEx_chip(adapter)) {
1196 		AMAP_SET_BITS(struct amap_mcc_context_be, valid, ctxt, 1);
1197 		AMAP_SET_BITS(struct amap_mcc_context_be, ring_size, ctxt,
1198 			      be_encoded_q_len(mccq->len));
1199 		AMAP_SET_BITS(struct amap_mcc_context_be, cq_id, ctxt, cq->id);
1200 	} else {
1201 		req->hdr.version = 1;
1202 		req->cq_id = cpu_to_le16(cq->id);
1203 
1204 		AMAP_SET_BITS(struct amap_mcc_context_v1, ring_size, ctxt,
1205 			      be_encoded_q_len(mccq->len));
1206 		AMAP_SET_BITS(struct amap_mcc_context_v1, valid, ctxt, 1);
1207 		AMAP_SET_BITS(struct amap_mcc_context_v1, async_cq_id,
1208 			      ctxt, cq->id);
1209 		AMAP_SET_BITS(struct amap_mcc_context_v1, async_cq_valid,
1210 			      ctxt, 1);
1211 	}
1212 
1213 	/* Subscribe to Link State, Sliport Event and Group 5 Events
1214 	 * (bits 1, 5 and 17 set)
1215 	 */
1216 	req->async_event_bitmap[0] =
1217 			cpu_to_le32(BIT(ASYNC_EVENT_CODE_LINK_STATE) |
1218 				    BIT(ASYNC_EVENT_CODE_GRP_5) |
1219 				    BIT(ASYNC_EVENT_CODE_QNQ) |
1220 				    BIT(ASYNC_EVENT_CODE_SLIPORT));
1221 
1222 	be_dws_cpu_to_le(ctxt, sizeof(req->context));
1223 
1224 	be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);
1225 
1226 	status = be_mbox_notify_wait(adapter);
1227 	if (!status) {
1228 		struct be_cmd_resp_mcc_create *resp = embedded_payload(wrb);
1229 
1230 		mccq->id = le16_to_cpu(resp->id);
1231 		mccq->created = true;
1232 	}
1233 	mutex_unlock(&adapter->mbox_lock);
1234 
1235 	return status;
1236 }
1237 
1238 static int be_cmd_mccq_org_create(struct be_adapter *adapter,
1239 				  struct be_queue_info *mccq,
1240 				  struct be_queue_info *cq)
1241 {
1242 	struct be_mcc_wrb *wrb;
1243 	struct be_cmd_req_mcc_create *req;
1244 	struct be_dma_mem *q_mem = &mccq->dma_mem;
1245 	void *ctxt;
1246 	int status;
1247 
1248 	if (mutex_lock_interruptible(&adapter->mbox_lock))
1249 		return -1;
1250 
1251 	wrb = wrb_from_mbox(adapter);
1252 	req = embedded_payload(wrb);
1253 	ctxt = &req->context;
1254 
1255 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1256 			       OPCODE_COMMON_MCC_CREATE, sizeof(*req), wrb,
1257 			       NULL);
1258 
1259 	req->num_pages = cpu_to_le16(PAGES_4K_SPANNED(q_mem->va, q_mem->size));
1260 
1261 	AMAP_SET_BITS(struct amap_mcc_context_be, valid, ctxt, 1);
1262 	AMAP_SET_BITS(struct amap_mcc_context_be, ring_size, ctxt,
1263 		      be_encoded_q_len(mccq->len));
1264 	AMAP_SET_BITS(struct amap_mcc_context_be, cq_id, ctxt, cq->id);
1265 
1266 	be_dws_cpu_to_le(ctxt, sizeof(req->context));
1267 
1268 	be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);
1269 
1270 	status = be_mbox_notify_wait(adapter);
1271 	if (!status) {
1272 		struct be_cmd_resp_mcc_create *resp = embedded_payload(wrb);
1273 
1274 		mccq->id = le16_to_cpu(resp->id);
1275 		mccq->created = true;
1276 	}
1277 
1278 	mutex_unlock(&adapter->mbox_lock);
1279 	return status;
1280 }
1281 
1282 int be_cmd_mccq_create(struct be_adapter *adapter,
1283 		       struct be_queue_info *mccq, struct be_queue_info *cq)
1284 {
1285 	int status;
1286 
1287 	status = be_cmd_mccq_ext_create(adapter, mccq, cq);
1288 	if (status && BEx_chip(adapter)) {
1289 		dev_warn(&adapter->pdev->dev, "Upgrade to F/W ver 2.102.235.0 "
1290 			"or newer to avoid conflicting priorities between NIC "
1291 			"and FCoE traffic");
1292 		status = be_cmd_mccq_org_create(adapter, mccq, cq);
1293 	}
1294 	return status;
1295 }
1296 
1297 int be_cmd_txq_create(struct be_adapter *adapter, struct be_tx_obj *txo)
1298 {
1299 	struct be_mcc_wrb wrb = {0};
1300 	struct be_cmd_req_eth_tx_create *req;
1301 	struct be_queue_info *txq = &txo->q;
1302 	struct be_queue_info *cq = &txo->cq;
1303 	struct be_dma_mem *q_mem = &txq->dma_mem;
1304 	int status, ver = 0;
1305 
1306 	req = embedded_payload(&wrb);
1307 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH,
1308 			       OPCODE_ETH_TX_CREATE, sizeof(*req), &wrb, NULL);
1309 
1310 	if (lancer_chip(adapter)) {
1311 		req->hdr.version = 1;
1312 	} else if (BEx_chip(adapter)) {
1313 		if (adapter->function_caps & BE_FUNCTION_CAPS_SUPER_NIC)
1314 			req->hdr.version = 2;
1315 	} else { /* For SH */
1316 		req->hdr.version = 2;
1317 	}
1318 
1319 	if (req->hdr.version > 0)
1320 		req->if_id = cpu_to_le16(adapter->if_handle);
1321 	req->num_pages = PAGES_4K_SPANNED(q_mem->va, q_mem->size);
1322 	req->ulp_num = BE_ULP1_NUM;
1323 	req->type = BE_ETH_TX_RING_TYPE_STANDARD;
1324 	req->cq_id = cpu_to_le16(cq->id);
1325 	req->queue_size = be_encoded_q_len(txq->len);
1326 	be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);
1327 	ver = req->hdr.version;
1328 
1329 	status = be_cmd_notify_wait(adapter, &wrb);
1330 	if (!status) {
1331 		struct be_cmd_resp_eth_tx_create *resp = embedded_payload(&wrb);
1332 
1333 		txq->id = le16_to_cpu(resp->cid);
1334 		if (ver == 2)
1335 			txo->db_offset = le32_to_cpu(resp->db_offset);
1336 		else
1337 			txo->db_offset = DB_TXULP1_OFFSET;
1338 		txq->created = true;
1339 	}
1340 
1341 	return status;
1342 }
1343 
1344 /* Uses MCC */
1345 int be_cmd_rxq_create(struct be_adapter *adapter,
1346 		      struct be_queue_info *rxq, u16 cq_id, u16 frag_size,
1347 		      u32 if_id, u32 rss, u8 *rss_id)
1348 {
1349 	struct be_mcc_wrb *wrb;
1350 	struct be_cmd_req_eth_rx_create *req;
1351 	struct be_dma_mem *q_mem = &rxq->dma_mem;
1352 	int status;
1353 
1354 	spin_lock_bh(&adapter->mcc_lock);
1355 
1356 	wrb = wrb_from_mccq(adapter);
1357 	if (!wrb) {
1358 		status = -EBUSY;
1359 		goto err;
1360 	}
1361 	req = embedded_payload(wrb);
1362 
1363 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH,
1364 			       OPCODE_ETH_RX_CREATE, sizeof(*req), wrb, NULL);
1365 
1366 	req->cq_id = cpu_to_le16(cq_id);
1367 	req->frag_size = fls(frag_size) - 1;
1368 	req->num_pages = 2;
1369 	be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);
1370 	req->interface_id = cpu_to_le32(if_id);
1371 	req->max_frame_size = cpu_to_le16(BE_MAX_JUMBO_FRAME_SIZE);
1372 	req->rss_queue = cpu_to_le32(rss);
1373 
1374 	status = be_mcc_notify_wait(adapter);
1375 	if (!status) {
1376 		struct be_cmd_resp_eth_rx_create *resp = embedded_payload(wrb);
1377 
1378 		rxq->id = le16_to_cpu(resp->id);
1379 		rxq->created = true;
1380 		*rss_id = resp->rss_id;
1381 	}
1382 
1383 err:
1384 	spin_unlock_bh(&adapter->mcc_lock);
1385 	return status;
1386 }
1387 
1388 /* Generic destroyer function for all types of queues
1389  * Uses Mbox
1390  */
1391 int be_cmd_q_destroy(struct be_adapter *adapter, struct be_queue_info *q,
1392 		     int queue_type)
1393 {
1394 	struct be_mcc_wrb *wrb;
1395 	struct be_cmd_req_q_destroy *req;
1396 	u8 subsys = 0, opcode = 0;
1397 	int status;
1398 
1399 	if (mutex_lock_interruptible(&adapter->mbox_lock))
1400 		return -1;
1401 
1402 	wrb = wrb_from_mbox(adapter);
1403 	req = embedded_payload(wrb);
1404 
1405 	switch (queue_type) {
1406 	case QTYPE_EQ:
1407 		subsys = CMD_SUBSYSTEM_COMMON;
1408 		opcode = OPCODE_COMMON_EQ_DESTROY;
1409 		break;
1410 	case QTYPE_CQ:
1411 		subsys = CMD_SUBSYSTEM_COMMON;
1412 		opcode = OPCODE_COMMON_CQ_DESTROY;
1413 		break;
1414 	case QTYPE_TXQ:
1415 		subsys = CMD_SUBSYSTEM_ETH;
1416 		opcode = OPCODE_ETH_TX_DESTROY;
1417 		break;
1418 	case QTYPE_RXQ:
1419 		subsys = CMD_SUBSYSTEM_ETH;
1420 		opcode = OPCODE_ETH_RX_DESTROY;
1421 		break;
1422 	case QTYPE_MCCQ:
1423 		subsys = CMD_SUBSYSTEM_COMMON;
1424 		opcode = OPCODE_COMMON_MCC_DESTROY;
1425 		break;
1426 	default:
1427 		BUG();
1428 	}
1429 
1430 	be_wrb_cmd_hdr_prepare(&req->hdr, subsys, opcode, sizeof(*req), wrb,
1431 			       NULL);
1432 	req->id = cpu_to_le16(q->id);
1433 
1434 	status = be_mbox_notify_wait(adapter);
1435 	q->created = false;
1436 
1437 	mutex_unlock(&adapter->mbox_lock);
1438 	return status;
1439 }
1440 
1441 /* Uses MCC */
1442 int be_cmd_rxq_destroy(struct be_adapter *adapter, struct be_queue_info *q)
1443 {
1444 	struct be_mcc_wrb *wrb;
1445 	struct be_cmd_req_q_destroy *req;
1446 	int status;
1447 
1448 	spin_lock_bh(&adapter->mcc_lock);
1449 
1450 	wrb = wrb_from_mccq(adapter);
1451 	if (!wrb) {
1452 		status = -EBUSY;
1453 		goto err;
1454 	}
1455 	req = embedded_payload(wrb);
1456 
1457 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH,
1458 			       OPCODE_ETH_RX_DESTROY, sizeof(*req), wrb, NULL);
1459 	req->id = cpu_to_le16(q->id);
1460 
1461 	status = be_mcc_notify_wait(adapter);
1462 	q->created = false;
1463 
1464 err:
1465 	spin_unlock_bh(&adapter->mcc_lock);
1466 	return status;
1467 }
1468 
1469 /* Create an rx filtering policy configuration on an i/f
1470  * Will use MBOX only if MCCQ has not been created.
1471  */
1472 int be_cmd_if_create(struct be_adapter *adapter, u32 cap_flags, u32 en_flags,
1473 		     u32 *if_handle, u32 domain)
1474 {
1475 	struct be_mcc_wrb wrb = {0};
1476 	struct be_cmd_req_if_create *req;
1477 	int status;
1478 
1479 	req = embedded_payload(&wrb);
1480 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1481 			       OPCODE_COMMON_NTWK_INTERFACE_CREATE,
1482 			       sizeof(*req), &wrb, NULL);
1483 	req->hdr.domain = domain;
1484 	req->capability_flags = cpu_to_le32(cap_flags);
1485 	req->enable_flags = cpu_to_le32(en_flags);
1486 	req->pmac_invalid = true;
1487 
1488 	status = be_cmd_notify_wait(adapter, &wrb);
1489 	if (!status) {
1490 		struct be_cmd_resp_if_create *resp = embedded_payload(&wrb);
1491 
1492 		*if_handle = le32_to_cpu(resp->interface_id);
1493 
1494 		/* Hack to retrieve VF's pmac-id on BE3 */
1495 		if (BE3_chip(adapter) && be_virtfn(adapter))
1496 			adapter->pmac_id[0] = le32_to_cpu(resp->pmac_id);
1497 	}
1498 	return status;
1499 }
1500 
1501 /* Uses MCCQ */
1502 int be_cmd_if_destroy(struct be_adapter *adapter, int interface_id, u32 domain)
1503 {
1504 	struct be_mcc_wrb *wrb;
1505 	struct be_cmd_req_if_destroy *req;
1506 	int status;
1507 
1508 	if (interface_id == -1)
1509 		return 0;
1510 
1511 	spin_lock_bh(&adapter->mcc_lock);
1512 
1513 	wrb = wrb_from_mccq(adapter);
1514 	if (!wrb) {
1515 		status = -EBUSY;
1516 		goto err;
1517 	}
1518 	req = embedded_payload(wrb);
1519 
1520 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1521 			       OPCODE_COMMON_NTWK_INTERFACE_DESTROY,
1522 			       sizeof(*req), wrb, NULL);
1523 	req->hdr.domain = domain;
1524 	req->interface_id = cpu_to_le32(interface_id);
1525 
1526 	status = be_mcc_notify_wait(adapter);
1527 err:
1528 	spin_unlock_bh(&adapter->mcc_lock);
1529 	return status;
1530 }
1531 
1532 /* Get stats is a non embedded command: the request is not embedded inside
1533  * WRB but is a separate dma memory block
1534  * Uses asynchronous MCC
1535  */
1536 int be_cmd_get_stats(struct be_adapter *adapter, struct be_dma_mem *nonemb_cmd)
1537 {
1538 	struct be_mcc_wrb *wrb;
1539 	struct be_cmd_req_hdr *hdr;
1540 	int status = 0;
1541 
1542 	spin_lock_bh(&adapter->mcc_lock);
1543 
1544 	wrb = wrb_from_mccq(adapter);
1545 	if (!wrb) {
1546 		status = -EBUSY;
1547 		goto err;
1548 	}
1549 	hdr = nonemb_cmd->va;
1550 
1551 	be_wrb_cmd_hdr_prepare(hdr, CMD_SUBSYSTEM_ETH,
1552 			       OPCODE_ETH_GET_STATISTICS, nonemb_cmd->size, wrb,
1553 			       nonemb_cmd);
1554 
1555 	/* version 1 of the cmd is not supported only by BE2 */
1556 	if (BE2_chip(adapter))
1557 		hdr->version = 0;
1558 	if (BE3_chip(adapter) || lancer_chip(adapter))
1559 		hdr->version = 1;
1560 	else
1561 		hdr->version = 2;
1562 
1563 	status = be_mcc_notify(adapter);
1564 	if (status)
1565 		goto err;
1566 
1567 	adapter->stats_cmd_sent = true;
1568 
1569 err:
1570 	spin_unlock_bh(&adapter->mcc_lock);
1571 	return status;
1572 }
1573 
1574 /* Lancer Stats */
1575 int lancer_cmd_get_pport_stats(struct be_adapter *adapter,
1576 			       struct be_dma_mem *nonemb_cmd)
1577 {
1578 	struct be_mcc_wrb *wrb;
1579 	struct lancer_cmd_req_pport_stats *req;
1580 	int status = 0;
1581 
1582 	if (!be_cmd_allowed(adapter, OPCODE_ETH_GET_PPORT_STATS,
1583 			    CMD_SUBSYSTEM_ETH))
1584 		return -EPERM;
1585 
1586 	spin_lock_bh(&adapter->mcc_lock);
1587 
1588 	wrb = wrb_from_mccq(adapter);
1589 	if (!wrb) {
1590 		status = -EBUSY;
1591 		goto err;
1592 	}
1593 	req = nonemb_cmd->va;
1594 
1595 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH,
1596 			       OPCODE_ETH_GET_PPORT_STATS, nonemb_cmd->size,
1597 			       wrb, nonemb_cmd);
1598 
1599 	req->cmd_params.params.pport_num = cpu_to_le16(adapter->hba_port_num);
1600 	req->cmd_params.params.reset_stats = 0;
1601 
1602 	status = be_mcc_notify(adapter);
1603 	if (status)
1604 		goto err;
1605 
1606 	adapter->stats_cmd_sent = true;
1607 
1608 err:
1609 	spin_unlock_bh(&adapter->mcc_lock);
1610 	return status;
1611 }
1612 
1613 static int be_mac_to_link_speed(int mac_speed)
1614 {
1615 	switch (mac_speed) {
1616 	case PHY_LINK_SPEED_ZERO:
1617 		return 0;
1618 	case PHY_LINK_SPEED_10MBPS:
1619 		return 10;
1620 	case PHY_LINK_SPEED_100MBPS:
1621 		return 100;
1622 	case PHY_LINK_SPEED_1GBPS:
1623 		return 1000;
1624 	case PHY_LINK_SPEED_10GBPS:
1625 		return 10000;
1626 	case PHY_LINK_SPEED_20GBPS:
1627 		return 20000;
1628 	case PHY_LINK_SPEED_25GBPS:
1629 		return 25000;
1630 	case PHY_LINK_SPEED_40GBPS:
1631 		return 40000;
1632 	}
1633 	return 0;
1634 }
1635 
1636 /* Uses synchronous mcc
1637  * Returns link_speed in Mbps
1638  */
1639 int be_cmd_link_status_query(struct be_adapter *adapter, u16 *link_speed,
1640 			     u8 *link_status, u32 dom)
1641 {
1642 	struct be_mcc_wrb *wrb;
1643 	struct be_cmd_req_link_status *req;
1644 	int status;
1645 
1646 	spin_lock_bh(&adapter->mcc_lock);
1647 
1648 	if (link_status)
1649 		*link_status = LINK_DOWN;
1650 
1651 	wrb = wrb_from_mccq(adapter);
1652 	if (!wrb) {
1653 		status = -EBUSY;
1654 		goto err;
1655 	}
1656 	req = embedded_payload(wrb);
1657 
1658 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1659 			       OPCODE_COMMON_NTWK_LINK_STATUS_QUERY,
1660 			       sizeof(*req), wrb, NULL);
1661 
1662 	/* version 1 of the cmd is not supported only by BE2 */
1663 	if (!BE2_chip(adapter))
1664 		req->hdr.version = 1;
1665 
1666 	req->hdr.domain = dom;
1667 
1668 	status = be_mcc_notify_wait(adapter);
1669 	if (!status) {
1670 		struct be_cmd_resp_link_status *resp = embedded_payload(wrb);
1671 
1672 		if (link_speed) {
1673 			*link_speed = resp->link_speed ?
1674 				      le16_to_cpu(resp->link_speed) * 10 :
1675 				      be_mac_to_link_speed(resp->mac_speed);
1676 
1677 			if (!resp->logical_link_status)
1678 				*link_speed = 0;
1679 		}
1680 		if (link_status)
1681 			*link_status = resp->logical_link_status;
1682 	}
1683 
1684 err:
1685 	spin_unlock_bh(&adapter->mcc_lock);
1686 	return status;
1687 }
1688 
1689 /* Uses synchronous mcc */
1690 int be_cmd_get_die_temperature(struct be_adapter *adapter)
1691 {
1692 	struct be_mcc_wrb *wrb;
1693 	struct be_cmd_req_get_cntl_addnl_attribs *req;
1694 	int status = 0;
1695 
1696 	spin_lock_bh(&adapter->mcc_lock);
1697 
1698 	wrb = wrb_from_mccq(adapter);
1699 	if (!wrb) {
1700 		status = -EBUSY;
1701 		goto err;
1702 	}
1703 	req = embedded_payload(wrb);
1704 
1705 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1706 			       OPCODE_COMMON_GET_CNTL_ADDITIONAL_ATTRIBUTES,
1707 			       sizeof(*req), wrb, NULL);
1708 
1709 	status = be_mcc_notify(adapter);
1710 err:
1711 	spin_unlock_bh(&adapter->mcc_lock);
1712 	return status;
1713 }
1714 
1715 /* Uses synchronous mcc */
1716 int be_cmd_get_reg_len(struct be_adapter *adapter, u32 *log_size)
1717 {
1718 	struct be_mcc_wrb *wrb;
1719 	struct be_cmd_req_get_fat *req;
1720 	int status;
1721 
1722 	spin_lock_bh(&adapter->mcc_lock);
1723 
1724 	wrb = wrb_from_mccq(adapter);
1725 	if (!wrb) {
1726 		status = -EBUSY;
1727 		goto err;
1728 	}
1729 	req = embedded_payload(wrb);
1730 
1731 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1732 			       OPCODE_COMMON_MANAGE_FAT, sizeof(*req), wrb,
1733 			       NULL);
1734 	req->fat_operation = cpu_to_le32(QUERY_FAT);
1735 	status = be_mcc_notify_wait(adapter);
1736 	if (!status) {
1737 		struct be_cmd_resp_get_fat *resp = embedded_payload(wrb);
1738 
1739 		if (log_size && resp->log_size)
1740 			*log_size = le32_to_cpu(resp->log_size) -
1741 					sizeof(u32);
1742 	}
1743 err:
1744 	spin_unlock_bh(&adapter->mcc_lock);
1745 	return status;
1746 }
1747 
1748 int be_cmd_get_regs(struct be_adapter *adapter, u32 buf_len, void *buf)
1749 {
1750 	struct be_dma_mem get_fat_cmd;
1751 	struct be_mcc_wrb *wrb;
1752 	struct be_cmd_req_get_fat *req;
1753 	u32 offset = 0, total_size, buf_size,
1754 				log_offset = sizeof(u32), payload_len;
1755 	int status = 0;
1756 
1757 	if (buf_len == 0)
1758 		return -EIO;
1759 
1760 	total_size = buf_len;
1761 
1762 	get_fat_cmd.size = sizeof(struct be_cmd_req_get_fat) + 60*1024;
1763 	get_fat_cmd.va = dma_zalloc_coherent(&adapter->pdev->dev,
1764 					     get_fat_cmd.size,
1765 					     &get_fat_cmd.dma, GFP_ATOMIC);
1766 	if (!get_fat_cmd.va) {
1767 		dev_err(&adapter->pdev->dev,
1768 			"Memory allocation failure while reading FAT data\n");
1769 		return -ENOMEM;
1770 	}
1771 
1772 	spin_lock_bh(&adapter->mcc_lock);
1773 
1774 	while (total_size) {
1775 		buf_size = min(total_size, (u32)60*1024);
1776 		total_size -= buf_size;
1777 
1778 		wrb = wrb_from_mccq(adapter);
1779 		if (!wrb) {
1780 			status = -EBUSY;
1781 			goto err;
1782 		}
1783 		req = get_fat_cmd.va;
1784 
1785 		payload_len = sizeof(struct be_cmd_req_get_fat) + buf_size;
1786 		be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1787 				       OPCODE_COMMON_MANAGE_FAT, payload_len,
1788 				       wrb, &get_fat_cmd);
1789 
1790 		req->fat_operation = cpu_to_le32(RETRIEVE_FAT);
1791 		req->read_log_offset = cpu_to_le32(log_offset);
1792 		req->read_log_length = cpu_to_le32(buf_size);
1793 		req->data_buffer_size = cpu_to_le32(buf_size);
1794 
1795 		status = be_mcc_notify_wait(adapter);
1796 		if (!status) {
1797 			struct be_cmd_resp_get_fat *resp = get_fat_cmd.va;
1798 
1799 			memcpy(buf + offset,
1800 			       resp->data_buffer,
1801 			       le32_to_cpu(resp->read_log_length));
1802 		} else {
1803 			dev_err(&adapter->pdev->dev, "FAT Table Retrieve error\n");
1804 			goto err;
1805 		}
1806 		offset += buf_size;
1807 		log_offset += buf_size;
1808 	}
1809 err:
1810 	dma_free_coherent(&adapter->pdev->dev, get_fat_cmd.size,
1811 			  get_fat_cmd.va, get_fat_cmd.dma);
1812 	spin_unlock_bh(&adapter->mcc_lock);
1813 	return status;
1814 }
1815 
1816 /* Uses synchronous mcc */
1817 int be_cmd_get_fw_ver(struct be_adapter *adapter)
1818 {
1819 	struct be_mcc_wrb *wrb;
1820 	struct be_cmd_req_get_fw_version *req;
1821 	int status;
1822 
1823 	spin_lock_bh(&adapter->mcc_lock);
1824 
1825 	wrb = wrb_from_mccq(adapter);
1826 	if (!wrb) {
1827 		status = -EBUSY;
1828 		goto err;
1829 	}
1830 
1831 	req = embedded_payload(wrb);
1832 
1833 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1834 			       OPCODE_COMMON_GET_FW_VERSION, sizeof(*req), wrb,
1835 			       NULL);
1836 	status = be_mcc_notify_wait(adapter);
1837 	if (!status) {
1838 		struct be_cmd_resp_get_fw_version *resp = embedded_payload(wrb);
1839 
1840 		strlcpy(adapter->fw_ver, resp->firmware_version_string,
1841 			sizeof(adapter->fw_ver));
1842 		strlcpy(adapter->fw_on_flash, resp->fw_on_flash_version_string,
1843 			sizeof(adapter->fw_on_flash));
1844 	}
1845 err:
1846 	spin_unlock_bh(&adapter->mcc_lock);
1847 	return status;
1848 }
1849 
1850 /* set the EQ delay interval of an EQ to specified value
1851  * Uses async mcc
1852  */
1853 static int __be_cmd_modify_eqd(struct be_adapter *adapter,
1854 			       struct be_set_eqd *set_eqd, int num)
1855 {
1856 	struct be_mcc_wrb *wrb;
1857 	struct be_cmd_req_modify_eq_delay *req;
1858 	int status = 0, i;
1859 
1860 	spin_lock_bh(&adapter->mcc_lock);
1861 
1862 	wrb = wrb_from_mccq(adapter);
1863 	if (!wrb) {
1864 		status = -EBUSY;
1865 		goto err;
1866 	}
1867 	req = embedded_payload(wrb);
1868 
1869 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1870 			       OPCODE_COMMON_MODIFY_EQ_DELAY, sizeof(*req), wrb,
1871 			       NULL);
1872 
1873 	req->num_eq = cpu_to_le32(num);
1874 	for (i = 0; i < num; i++) {
1875 		req->set_eqd[i].eq_id = cpu_to_le32(set_eqd[i].eq_id);
1876 		req->set_eqd[i].phase = 0;
1877 		req->set_eqd[i].delay_multiplier =
1878 				cpu_to_le32(set_eqd[i].delay_multiplier);
1879 	}
1880 
1881 	status = be_mcc_notify(adapter);
1882 err:
1883 	spin_unlock_bh(&adapter->mcc_lock);
1884 	return status;
1885 }
1886 
1887 int be_cmd_modify_eqd(struct be_adapter *adapter, struct be_set_eqd *set_eqd,
1888 		      int num)
1889 {
1890 	int num_eqs, i = 0;
1891 
1892 	while (num) {
1893 		num_eqs = min(num, 8);
1894 		__be_cmd_modify_eqd(adapter, &set_eqd[i], num_eqs);
1895 		i += num_eqs;
1896 		num -= num_eqs;
1897 	}
1898 
1899 	return 0;
1900 }
1901 
1902 /* Uses sycnhronous mcc */
1903 int be_cmd_vlan_config(struct be_adapter *adapter, u32 if_id, u16 *vtag_array,
1904 		       u32 num, u32 domain)
1905 {
1906 	struct be_mcc_wrb *wrb;
1907 	struct be_cmd_req_vlan_config *req;
1908 	int status;
1909 
1910 	spin_lock_bh(&adapter->mcc_lock);
1911 
1912 	wrb = wrb_from_mccq(adapter);
1913 	if (!wrb) {
1914 		status = -EBUSY;
1915 		goto err;
1916 	}
1917 	req = embedded_payload(wrb);
1918 
1919 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1920 			       OPCODE_COMMON_NTWK_VLAN_CONFIG, sizeof(*req),
1921 			       wrb, NULL);
1922 	req->hdr.domain = domain;
1923 
1924 	req->interface_id = if_id;
1925 	req->untagged = BE_IF_FLAGS_UNTAGGED & be_if_cap_flags(adapter) ? 1 : 0;
1926 	req->num_vlan = num;
1927 	memcpy(req->normal_vlan, vtag_array,
1928 	       req->num_vlan * sizeof(vtag_array[0]));
1929 
1930 	status = be_mcc_notify_wait(adapter);
1931 err:
1932 	spin_unlock_bh(&adapter->mcc_lock);
1933 	return status;
1934 }
1935 
1936 static int __be_cmd_rx_filter(struct be_adapter *adapter, u32 flags, u32 value)
1937 {
1938 	struct be_mcc_wrb *wrb;
1939 	struct be_dma_mem *mem = &adapter->rx_filter;
1940 	struct be_cmd_req_rx_filter *req = mem->va;
1941 	int status;
1942 
1943 	spin_lock_bh(&adapter->mcc_lock);
1944 
1945 	wrb = wrb_from_mccq(adapter);
1946 	if (!wrb) {
1947 		status = -EBUSY;
1948 		goto err;
1949 	}
1950 	memset(req, 0, sizeof(*req));
1951 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1952 			       OPCODE_COMMON_NTWK_RX_FILTER, sizeof(*req),
1953 			       wrb, mem);
1954 
1955 	req->if_id = cpu_to_le32(adapter->if_handle);
1956 	req->if_flags_mask = cpu_to_le32(flags);
1957 	req->if_flags = (value == ON) ? req->if_flags_mask : 0;
1958 
1959 	if (flags & BE_IF_FLAGS_MULTICAST) {
1960 		struct netdev_hw_addr *ha;
1961 		int i = 0;
1962 
1963 		/* Reset mcast promisc mode if already set by setting mask
1964 		 * and not setting flags field
1965 		 */
1966 		req->if_flags_mask |=
1967 			cpu_to_le32(BE_IF_FLAGS_MCAST_PROMISCUOUS &
1968 				    be_if_cap_flags(adapter));
1969 		req->mcast_num = cpu_to_le32(netdev_mc_count(adapter->netdev));
1970 		netdev_for_each_mc_addr(ha, adapter->netdev)
1971 			memcpy(req->mcast_mac[i++].byte, ha->addr, ETH_ALEN);
1972 	}
1973 
1974 	status = be_mcc_notify_wait(adapter);
1975 err:
1976 	spin_unlock_bh(&adapter->mcc_lock);
1977 	return status;
1978 }
1979 
1980 int be_cmd_rx_filter(struct be_adapter *adapter, u32 flags, u32 value)
1981 {
1982 	struct device *dev = &adapter->pdev->dev;
1983 
1984 	if ((flags & be_if_cap_flags(adapter)) != flags) {
1985 		dev_warn(dev, "Cannot set rx filter flags 0x%x\n", flags);
1986 		dev_warn(dev, "Interface is capable of 0x%x flags only\n",
1987 			 be_if_cap_flags(adapter));
1988 	}
1989 	flags &= be_if_cap_flags(adapter);
1990 	if (!flags)
1991 		return -ENOTSUPP;
1992 
1993 	return __be_cmd_rx_filter(adapter, flags, value);
1994 }
1995 
1996 /* Uses synchrounous mcc */
1997 int be_cmd_set_flow_control(struct be_adapter *adapter, u32 tx_fc, u32 rx_fc)
1998 {
1999 	struct be_mcc_wrb *wrb;
2000 	struct be_cmd_req_set_flow_control *req;
2001 	int status;
2002 
2003 	if (!be_cmd_allowed(adapter, OPCODE_COMMON_SET_FLOW_CONTROL,
2004 			    CMD_SUBSYSTEM_COMMON))
2005 		return -EPERM;
2006 
2007 	spin_lock_bh(&adapter->mcc_lock);
2008 
2009 	wrb = wrb_from_mccq(adapter);
2010 	if (!wrb) {
2011 		status = -EBUSY;
2012 		goto err;
2013 	}
2014 	req = embedded_payload(wrb);
2015 
2016 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
2017 			       OPCODE_COMMON_SET_FLOW_CONTROL, sizeof(*req),
2018 			       wrb, NULL);
2019 
2020 	req->hdr.version = 1;
2021 	req->tx_flow_control = cpu_to_le16((u16)tx_fc);
2022 	req->rx_flow_control = cpu_to_le16((u16)rx_fc);
2023 
2024 	status = be_mcc_notify_wait(adapter);
2025 
2026 err:
2027 	spin_unlock_bh(&adapter->mcc_lock);
2028 
2029 	if (base_status(status) == MCC_STATUS_FEATURE_NOT_SUPPORTED)
2030 		return  -EOPNOTSUPP;
2031 
2032 	return status;
2033 }
2034 
2035 /* Uses sycn mcc */
2036 int be_cmd_get_flow_control(struct be_adapter *adapter, u32 *tx_fc, u32 *rx_fc)
2037 {
2038 	struct be_mcc_wrb *wrb;
2039 	struct be_cmd_req_get_flow_control *req;
2040 	int status;
2041 
2042 	if (!be_cmd_allowed(adapter, OPCODE_COMMON_GET_FLOW_CONTROL,
2043 			    CMD_SUBSYSTEM_COMMON))
2044 		return -EPERM;
2045 
2046 	spin_lock_bh(&adapter->mcc_lock);
2047 
2048 	wrb = wrb_from_mccq(adapter);
2049 	if (!wrb) {
2050 		status = -EBUSY;
2051 		goto err;
2052 	}
2053 	req = embedded_payload(wrb);
2054 
2055 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
2056 			       OPCODE_COMMON_GET_FLOW_CONTROL, sizeof(*req),
2057 			       wrb, NULL);
2058 
2059 	status = be_mcc_notify_wait(adapter);
2060 	if (!status) {
2061 		struct be_cmd_resp_get_flow_control *resp =
2062 						embedded_payload(wrb);
2063 
2064 		*tx_fc = le16_to_cpu(resp->tx_flow_control);
2065 		*rx_fc = le16_to_cpu(resp->rx_flow_control);
2066 	}
2067 
2068 err:
2069 	spin_unlock_bh(&adapter->mcc_lock);
2070 	return status;
2071 }
2072 
2073 /* Uses mbox */
2074 int be_cmd_query_fw_cfg(struct be_adapter *adapter)
2075 {
2076 	struct be_mcc_wrb *wrb;
2077 	struct be_cmd_req_query_fw_cfg *req;
2078 	int status;
2079 
2080 	if (mutex_lock_interruptible(&adapter->mbox_lock))
2081 		return -1;
2082 
2083 	wrb = wrb_from_mbox(adapter);
2084 	req = embedded_payload(wrb);
2085 
2086 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
2087 			       OPCODE_COMMON_QUERY_FIRMWARE_CONFIG,
2088 			       sizeof(*req), wrb, NULL);
2089 
2090 	status = be_mbox_notify_wait(adapter);
2091 	if (!status) {
2092 		struct be_cmd_resp_query_fw_cfg *resp = embedded_payload(wrb);
2093 
2094 		adapter->port_num = le32_to_cpu(resp->phys_port);
2095 		adapter->function_mode = le32_to_cpu(resp->function_mode);
2096 		adapter->function_caps = le32_to_cpu(resp->function_caps);
2097 		adapter->asic_rev = le32_to_cpu(resp->asic_revision) & 0xFF;
2098 		dev_info(&adapter->pdev->dev,
2099 			 "FW config: function_mode=0x%x, function_caps=0x%x\n",
2100 			 adapter->function_mode, adapter->function_caps);
2101 	}
2102 
2103 	mutex_unlock(&adapter->mbox_lock);
2104 	return status;
2105 }
2106 
2107 /* Uses mbox */
2108 int be_cmd_reset_function(struct be_adapter *adapter)
2109 {
2110 	struct be_mcc_wrb *wrb;
2111 	struct be_cmd_req_hdr *req;
2112 	int status;
2113 
2114 	if (lancer_chip(adapter)) {
2115 		iowrite32(SLI_PORT_CONTROL_IP_MASK,
2116 			  adapter->db + SLIPORT_CONTROL_OFFSET);
2117 		status = lancer_wait_ready(adapter);
2118 		if (status)
2119 			dev_err(&adapter->pdev->dev,
2120 				"Adapter in non recoverable error\n");
2121 		return status;
2122 	}
2123 
2124 	if (mutex_lock_interruptible(&adapter->mbox_lock))
2125 		return -1;
2126 
2127 	wrb = wrb_from_mbox(adapter);
2128 	req = embedded_payload(wrb);
2129 
2130 	be_wrb_cmd_hdr_prepare(req, CMD_SUBSYSTEM_COMMON,
2131 			       OPCODE_COMMON_FUNCTION_RESET, sizeof(*req), wrb,
2132 			       NULL);
2133 
2134 	status = be_mbox_notify_wait(adapter);
2135 
2136 	mutex_unlock(&adapter->mbox_lock);
2137 	return status;
2138 }
2139 
2140 int be_cmd_rss_config(struct be_adapter *adapter, u8 *rsstable,
2141 		      u32 rss_hash_opts, u16 table_size, const u8 *rss_hkey)
2142 {
2143 	struct be_mcc_wrb *wrb;
2144 	struct be_cmd_req_rss_config *req;
2145 	int status;
2146 
2147 	if (!(be_if_cap_flags(adapter) & BE_IF_FLAGS_RSS))
2148 		return 0;
2149 
2150 	spin_lock_bh(&adapter->mcc_lock);
2151 
2152 	wrb = wrb_from_mccq(adapter);
2153 	if (!wrb) {
2154 		status = -EBUSY;
2155 		goto err;
2156 	}
2157 	req = embedded_payload(wrb);
2158 
2159 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH,
2160 			       OPCODE_ETH_RSS_CONFIG, sizeof(*req), wrb, NULL);
2161 
2162 	req->if_id = cpu_to_le32(adapter->if_handle);
2163 	req->enable_rss = cpu_to_le16(rss_hash_opts);
2164 	req->cpu_table_size_log2 = cpu_to_le16(fls(table_size) - 1);
2165 
2166 	if (!BEx_chip(adapter))
2167 		req->hdr.version = 1;
2168 
2169 	memcpy(req->cpu_table, rsstable, table_size);
2170 	memcpy(req->hash, rss_hkey, RSS_HASH_KEY_LEN);
2171 	be_dws_cpu_to_le(req->hash, sizeof(req->hash));
2172 
2173 	status = be_mcc_notify_wait(adapter);
2174 err:
2175 	spin_unlock_bh(&adapter->mcc_lock);
2176 	return status;
2177 }
2178 
2179 /* Uses sync mcc */
2180 int be_cmd_set_beacon_state(struct be_adapter *adapter, u8 port_num,
2181 			    u8 bcn, u8 sts, u8 state)
2182 {
2183 	struct be_mcc_wrb *wrb;
2184 	struct be_cmd_req_enable_disable_beacon *req;
2185 	int status;
2186 
2187 	spin_lock_bh(&adapter->mcc_lock);
2188 
2189 	wrb = wrb_from_mccq(adapter);
2190 	if (!wrb) {
2191 		status = -EBUSY;
2192 		goto err;
2193 	}
2194 	req = embedded_payload(wrb);
2195 
2196 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
2197 			       OPCODE_COMMON_ENABLE_DISABLE_BEACON,
2198 			       sizeof(*req), wrb, NULL);
2199 
2200 	req->port_num = port_num;
2201 	req->beacon_state = state;
2202 	req->beacon_duration = bcn;
2203 	req->status_duration = sts;
2204 
2205 	status = be_mcc_notify_wait(adapter);
2206 
2207 err:
2208 	spin_unlock_bh(&adapter->mcc_lock);
2209 	return status;
2210 }
2211 
2212 /* Uses sync mcc */
2213 int be_cmd_get_beacon_state(struct be_adapter *adapter, u8 port_num, u32 *state)
2214 {
2215 	struct be_mcc_wrb *wrb;
2216 	struct be_cmd_req_get_beacon_state *req;
2217 	int status;
2218 
2219 	spin_lock_bh(&adapter->mcc_lock);
2220 
2221 	wrb = wrb_from_mccq(adapter);
2222 	if (!wrb) {
2223 		status = -EBUSY;
2224 		goto err;
2225 	}
2226 	req = embedded_payload(wrb);
2227 
2228 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
2229 			       OPCODE_COMMON_GET_BEACON_STATE, sizeof(*req),
2230 			       wrb, NULL);
2231 
2232 	req->port_num = port_num;
2233 
2234 	status = be_mcc_notify_wait(adapter);
2235 	if (!status) {
2236 		struct be_cmd_resp_get_beacon_state *resp =
2237 						embedded_payload(wrb);
2238 
2239 		*state = resp->beacon_state;
2240 	}
2241 
2242 err:
2243 	spin_unlock_bh(&adapter->mcc_lock);
2244 	return status;
2245 }
2246 
2247 /* Uses sync mcc */
2248 int be_cmd_read_port_transceiver_data(struct be_adapter *adapter,
2249 				      u8 page_num, u8 *data)
2250 {
2251 	struct be_dma_mem cmd;
2252 	struct be_mcc_wrb *wrb;
2253 	struct be_cmd_req_port_type *req;
2254 	int status;
2255 
2256 	if (page_num > TR_PAGE_A2)
2257 		return -EINVAL;
2258 
2259 	cmd.size = sizeof(struct be_cmd_resp_port_type);
2260 	cmd.va = dma_zalloc_coherent(&adapter->pdev->dev, cmd.size, &cmd.dma,
2261 				     GFP_ATOMIC);
2262 	if (!cmd.va) {
2263 		dev_err(&adapter->pdev->dev, "Memory allocation failed\n");
2264 		return -ENOMEM;
2265 	}
2266 
2267 	spin_lock_bh(&adapter->mcc_lock);
2268 
2269 	wrb = wrb_from_mccq(adapter);
2270 	if (!wrb) {
2271 		status = -EBUSY;
2272 		goto err;
2273 	}
2274 	req = cmd.va;
2275 
2276 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
2277 			       OPCODE_COMMON_READ_TRANSRECV_DATA,
2278 			       cmd.size, wrb, &cmd);
2279 
2280 	req->port = cpu_to_le32(adapter->hba_port_num);
2281 	req->page_num = cpu_to_le32(page_num);
2282 	status = be_mcc_notify_wait(adapter);
2283 	if (!status) {
2284 		struct be_cmd_resp_port_type *resp = cmd.va;
2285 
2286 		memcpy(data, resp->page_data, PAGE_DATA_LEN);
2287 	}
2288 err:
2289 	spin_unlock_bh(&adapter->mcc_lock);
2290 	dma_free_coherent(&adapter->pdev->dev, cmd.size, cmd.va, cmd.dma);
2291 	return status;
2292 }
2293 
2294 int lancer_cmd_write_object(struct be_adapter *adapter, struct be_dma_mem *cmd,
2295 			    u32 data_size, u32 data_offset,
2296 			    const char *obj_name, u32 *data_written,
2297 			    u8 *change_status, u8 *addn_status)
2298 {
2299 	struct be_mcc_wrb *wrb;
2300 	struct lancer_cmd_req_write_object *req;
2301 	struct lancer_cmd_resp_write_object *resp;
2302 	void *ctxt = NULL;
2303 	int status;
2304 
2305 	spin_lock_bh(&adapter->mcc_lock);
2306 	adapter->flash_status = 0;
2307 
2308 	wrb = wrb_from_mccq(adapter);
2309 	if (!wrb) {
2310 		status = -EBUSY;
2311 		goto err_unlock;
2312 	}
2313 
2314 	req = embedded_payload(wrb);
2315 
2316 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
2317 			       OPCODE_COMMON_WRITE_OBJECT,
2318 			       sizeof(struct lancer_cmd_req_write_object), wrb,
2319 			       NULL);
2320 
2321 	ctxt = &req->context;
2322 	AMAP_SET_BITS(struct amap_lancer_write_obj_context,
2323 		      write_length, ctxt, data_size);
2324 
2325 	if (data_size == 0)
2326 		AMAP_SET_BITS(struct amap_lancer_write_obj_context,
2327 			      eof, ctxt, 1);
2328 	else
2329 		AMAP_SET_BITS(struct amap_lancer_write_obj_context,
2330 			      eof, ctxt, 0);
2331 
2332 	be_dws_cpu_to_le(ctxt, sizeof(req->context));
2333 	req->write_offset = cpu_to_le32(data_offset);
2334 	strlcpy(req->object_name, obj_name, sizeof(req->object_name));
2335 	req->descriptor_count = cpu_to_le32(1);
2336 	req->buf_len = cpu_to_le32(data_size);
2337 	req->addr_low = cpu_to_le32((cmd->dma +
2338 				     sizeof(struct lancer_cmd_req_write_object))
2339 				    & 0xFFFFFFFF);
2340 	req->addr_high = cpu_to_le32(upper_32_bits(cmd->dma +
2341 				sizeof(struct lancer_cmd_req_write_object)));
2342 
2343 	status = be_mcc_notify(adapter);
2344 	if (status)
2345 		goto err_unlock;
2346 
2347 	spin_unlock_bh(&adapter->mcc_lock);
2348 
2349 	if (!wait_for_completion_timeout(&adapter->et_cmd_compl,
2350 					 msecs_to_jiffies(60000)))
2351 		status = -ETIMEDOUT;
2352 	else
2353 		status = adapter->flash_status;
2354 
2355 	resp = embedded_payload(wrb);
2356 	if (!status) {
2357 		*data_written = le32_to_cpu(resp->actual_write_len);
2358 		*change_status = resp->change_status;
2359 	} else {
2360 		*addn_status = resp->additional_status;
2361 	}
2362 
2363 	return status;
2364 
2365 err_unlock:
2366 	spin_unlock_bh(&adapter->mcc_lock);
2367 	return status;
2368 }
2369 
2370 int be_cmd_query_cable_type(struct be_adapter *adapter)
2371 {
2372 	u8 page_data[PAGE_DATA_LEN];
2373 	int status;
2374 
2375 	status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A0,
2376 						   page_data);
2377 	if (!status) {
2378 		switch (adapter->phy.interface_type) {
2379 		case PHY_TYPE_QSFP:
2380 			adapter->phy.cable_type =
2381 				page_data[QSFP_PLUS_CABLE_TYPE_OFFSET];
2382 			break;
2383 		case PHY_TYPE_SFP_PLUS_10GB:
2384 			adapter->phy.cable_type =
2385 				page_data[SFP_PLUS_CABLE_TYPE_OFFSET];
2386 			break;
2387 		default:
2388 			adapter->phy.cable_type = 0;
2389 			break;
2390 		}
2391 	}
2392 	return status;
2393 }
2394 
2395 int be_cmd_query_sfp_info(struct be_adapter *adapter)
2396 {
2397 	u8 page_data[PAGE_DATA_LEN];
2398 	int status;
2399 
2400 	status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A0,
2401 						   page_data);
2402 	if (!status) {
2403 		strlcpy(adapter->phy.vendor_name, page_data +
2404 			SFP_VENDOR_NAME_OFFSET, SFP_VENDOR_NAME_LEN - 1);
2405 		strlcpy(adapter->phy.vendor_pn,
2406 			page_data + SFP_VENDOR_PN_OFFSET,
2407 			SFP_VENDOR_NAME_LEN - 1);
2408 	}
2409 
2410 	return status;
2411 }
2412 
2413 int lancer_cmd_delete_object(struct be_adapter *adapter, const char *obj_name)
2414 {
2415 	struct lancer_cmd_req_delete_object *req;
2416 	struct be_mcc_wrb *wrb;
2417 	int status;
2418 
2419 	spin_lock_bh(&adapter->mcc_lock);
2420 
2421 	wrb = wrb_from_mccq(adapter);
2422 	if (!wrb) {
2423 		status = -EBUSY;
2424 		goto err;
2425 	}
2426 
2427 	req = embedded_payload(wrb);
2428 
2429 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
2430 			       OPCODE_COMMON_DELETE_OBJECT,
2431 			       sizeof(*req), wrb, NULL);
2432 
2433 	strlcpy(req->object_name, obj_name, sizeof(req->object_name));
2434 
2435 	status = be_mcc_notify_wait(adapter);
2436 err:
2437 	spin_unlock_bh(&adapter->mcc_lock);
2438 	return status;
2439 }
2440 
2441 int lancer_cmd_read_object(struct be_adapter *adapter, struct be_dma_mem *cmd,
2442 			   u32 data_size, u32 data_offset, const char *obj_name,
2443 			   u32 *data_read, u32 *eof, u8 *addn_status)
2444 {
2445 	struct be_mcc_wrb *wrb;
2446 	struct lancer_cmd_req_read_object *req;
2447 	struct lancer_cmd_resp_read_object *resp;
2448 	int status;
2449 
2450 	spin_lock_bh(&adapter->mcc_lock);
2451 
2452 	wrb = wrb_from_mccq(adapter);
2453 	if (!wrb) {
2454 		status = -EBUSY;
2455 		goto err_unlock;
2456 	}
2457 
2458 	req = embedded_payload(wrb);
2459 
2460 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
2461 			       OPCODE_COMMON_READ_OBJECT,
2462 			       sizeof(struct lancer_cmd_req_read_object), wrb,
2463 			       NULL);
2464 
2465 	req->desired_read_len = cpu_to_le32(data_size);
2466 	req->read_offset = cpu_to_le32(data_offset);
2467 	strcpy(req->object_name, obj_name);
2468 	req->descriptor_count = cpu_to_le32(1);
2469 	req->buf_len = cpu_to_le32(data_size);
2470 	req->addr_low = cpu_to_le32((cmd->dma & 0xFFFFFFFF));
2471 	req->addr_high = cpu_to_le32(upper_32_bits(cmd->dma));
2472 
2473 	status = be_mcc_notify_wait(adapter);
2474 
2475 	resp = embedded_payload(wrb);
2476 	if (!status) {
2477 		*data_read = le32_to_cpu(resp->actual_read_len);
2478 		*eof = le32_to_cpu(resp->eof);
2479 	} else {
2480 		*addn_status = resp->additional_status;
2481 	}
2482 
2483 err_unlock:
2484 	spin_unlock_bh(&adapter->mcc_lock);
2485 	return status;
2486 }
2487 
2488 int be_cmd_write_flashrom(struct be_adapter *adapter, struct be_dma_mem *cmd,
2489 			  u32 flash_type, u32 flash_opcode, u32 img_offset,
2490 			  u32 buf_size)
2491 {
2492 	struct be_mcc_wrb *wrb;
2493 	struct be_cmd_write_flashrom *req;
2494 	int status;
2495 
2496 	spin_lock_bh(&adapter->mcc_lock);
2497 	adapter->flash_status = 0;
2498 
2499 	wrb = wrb_from_mccq(adapter);
2500 	if (!wrb) {
2501 		status = -EBUSY;
2502 		goto err_unlock;
2503 	}
2504 	req = cmd->va;
2505 
2506 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
2507 			       OPCODE_COMMON_WRITE_FLASHROM, cmd->size, wrb,
2508 			       cmd);
2509 
2510 	req->params.op_type = cpu_to_le32(flash_type);
2511 	if (flash_type == OPTYPE_OFFSET_SPECIFIED)
2512 		req->params.offset = cpu_to_le32(img_offset);
2513 
2514 	req->params.op_code = cpu_to_le32(flash_opcode);
2515 	req->params.data_buf_size = cpu_to_le32(buf_size);
2516 
2517 	status = be_mcc_notify(adapter);
2518 	if (status)
2519 		goto err_unlock;
2520 
2521 	spin_unlock_bh(&adapter->mcc_lock);
2522 
2523 	if (!wait_for_completion_timeout(&adapter->et_cmd_compl,
2524 					 msecs_to_jiffies(40000)))
2525 		status = -ETIMEDOUT;
2526 	else
2527 		status = adapter->flash_status;
2528 
2529 	return status;
2530 
2531 err_unlock:
2532 	spin_unlock_bh(&adapter->mcc_lock);
2533 	return status;
2534 }
2535 
2536 int be_cmd_get_flash_crc(struct be_adapter *adapter, u8 *flashed_crc,
2537 			 u16 img_optype, u32 img_offset, u32 crc_offset)
2538 {
2539 	struct be_cmd_read_flash_crc *req;
2540 	struct be_mcc_wrb *wrb;
2541 	int status;
2542 
2543 	spin_lock_bh(&adapter->mcc_lock);
2544 
2545 	wrb = wrb_from_mccq(adapter);
2546 	if (!wrb) {
2547 		status = -EBUSY;
2548 		goto err;
2549 	}
2550 	req = embedded_payload(wrb);
2551 
2552 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
2553 			       OPCODE_COMMON_READ_FLASHROM, sizeof(*req),
2554 			       wrb, NULL);
2555 
2556 	req->params.op_type = cpu_to_le32(img_optype);
2557 	if (img_optype == OPTYPE_OFFSET_SPECIFIED)
2558 		req->params.offset = cpu_to_le32(img_offset + crc_offset);
2559 	else
2560 		req->params.offset = cpu_to_le32(crc_offset);
2561 
2562 	req->params.op_code = cpu_to_le32(FLASHROM_OPER_REPORT);
2563 	req->params.data_buf_size = cpu_to_le32(0x4);
2564 
2565 	status = be_mcc_notify_wait(adapter);
2566 	if (!status)
2567 		memcpy(flashed_crc, req->crc, 4);
2568 
2569 err:
2570 	spin_unlock_bh(&adapter->mcc_lock);
2571 	return status;
2572 }
2573 
2574 int be_cmd_enable_magic_wol(struct be_adapter *adapter, u8 *mac,
2575 			    struct be_dma_mem *nonemb_cmd)
2576 {
2577 	struct be_mcc_wrb *wrb;
2578 	struct be_cmd_req_acpi_wol_magic_config *req;
2579 	int status;
2580 
2581 	spin_lock_bh(&adapter->mcc_lock);
2582 
2583 	wrb = wrb_from_mccq(adapter);
2584 	if (!wrb) {
2585 		status = -EBUSY;
2586 		goto err;
2587 	}
2588 	req = nonemb_cmd->va;
2589 
2590 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH,
2591 			       OPCODE_ETH_ACPI_WOL_MAGIC_CONFIG, sizeof(*req),
2592 			       wrb, nonemb_cmd);
2593 	memcpy(req->magic_mac, mac, ETH_ALEN);
2594 
2595 	status = be_mcc_notify_wait(adapter);
2596 
2597 err:
2598 	spin_unlock_bh(&adapter->mcc_lock);
2599 	return status;
2600 }
2601 
2602 int be_cmd_set_loopback(struct be_adapter *adapter, u8 port_num,
2603 			u8 loopback_type, u8 enable)
2604 {
2605 	struct be_mcc_wrb *wrb;
2606 	struct be_cmd_req_set_lmode *req;
2607 	int status;
2608 
2609 	spin_lock_bh(&adapter->mcc_lock);
2610 
2611 	wrb = wrb_from_mccq(adapter);
2612 	if (!wrb) {
2613 		status = -EBUSY;
2614 		goto err_unlock;
2615 	}
2616 
2617 	req = embedded_payload(wrb);
2618 
2619 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_LOWLEVEL,
2620 			       OPCODE_LOWLEVEL_SET_LOOPBACK_MODE, sizeof(*req),
2621 			       wrb, NULL);
2622 
2623 	req->src_port = port_num;
2624 	req->dest_port = port_num;
2625 	req->loopback_type = loopback_type;
2626 	req->loopback_state = enable;
2627 
2628 	status = be_mcc_notify(adapter);
2629 	if (status)
2630 		goto err_unlock;
2631 
2632 	spin_unlock_bh(&adapter->mcc_lock);
2633 
2634 	if (!wait_for_completion_timeout(&adapter->et_cmd_compl,
2635 					 msecs_to_jiffies(SET_LB_MODE_TIMEOUT)))
2636 		status = -ETIMEDOUT;
2637 
2638 	return status;
2639 
2640 err_unlock:
2641 	spin_unlock_bh(&adapter->mcc_lock);
2642 	return status;
2643 }
2644 
2645 int be_cmd_loopback_test(struct be_adapter *adapter, u32 port_num,
2646 			 u32 loopback_type, u32 pkt_size, u32 num_pkts,
2647 			 u64 pattern)
2648 {
2649 	struct be_mcc_wrb *wrb;
2650 	struct be_cmd_req_loopback_test *req;
2651 	struct be_cmd_resp_loopback_test *resp;
2652 	int status;
2653 
2654 	spin_lock_bh(&adapter->mcc_lock);
2655 
2656 	wrb = wrb_from_mccq(adapter);
2657 	if (!wrb) {
2658 		status = -EBUSY;
2659 		goto err;
2660 	}
2661 
2662 	req = embedded_payload(wrb);
2663 
2664 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_LOWLEVEL,
2665 			       OPCODE_LOWLEVEL_LOOPBACK_TEST, sizeof(*req), wrb,
2666 			       NULL);
2667 
2668 	req->hdr.timeout = cpu_to_le32(15);
2669 	req->pattern = cpu_to_le64(pattern);
2670 	req->src_port = cpu_to_le32(port_num);
2671 	req->dest_port = cpu_to_le32(port_num);
2672 	req->pkt_size = cpu_to_le32(pkt_size);
2673 	req->num_pkts = cpu_to_le32(num_pkts);
2674 	req->loopback_type = cpu_to_le32(loopback_type);
2675 
2676 	status = be_mcc_notify(adapter);
2677 	if (status)
2678 		goto err;
2679 
2680 	spin_unlock_bh(&adapter->mcc_lock);
2681 
2682 	wait_for_completion(&adapter->et_cmd_compl);
2683 	resp = embedded_payload(wrb);
2684 	status = le32_to_cpu(resp->status);
2685 
2686 	return status;
2687 err:
2688 	spin_unlock_bh(&adapter->mcc_lock);
2689 	return status;
2690 }
2691 
2692 int be_cmd_ddr_dma_test(struct be_adapter *adapter, u64 pattern,
2693 			u32 byte_cnt, struct be_dma_mem *cmd)
2694 {
2695 	struct be_mcc_wrb *wrb;
2696 	struct be_cmd_req_ddrdma_test *req;
2697 	int status;
2698 	int i, j = 0;
2699 
2700 	spin_lock_bh(&adapter->mcc_lock);
2701 
2702 	wrb = wrb_from_mccq(adapter);
2703 	if (!wrb) {
2704 		status = -EBUSY;
2705 		goto err;
2706 	}
2707 	req = cmd->va;
2708 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_LOWLEVEL,
2709 			       OPCODE_LOWLEVEL_HOST_DDR_DMA, cmd->size, wrb,
2710 			       cmd);
2711 
2712 	req->pattern = cpu_to_le64(pattern);
2713 	req->byte_count = cpu_to_le32(byte_cnt);
2714 	for (i = 0; i < byte_cnt; i++) {
2715 		req->snd_buff[i] = (u8)(pattern >> (j*8));
2716 		j++;
2717 		if (j > 7)
2718 			j = 0;
2719 	}
2720 
2721 	status = be_mcc_notify_wait(adapter);
2722 
2723 	if (!status) {
2724 		struct be_cmd_resp_ddrdma_test *resp;
2725 
2726 		resp = cmd->va;
2727 		if ((memcmp(resp->rcv_buff, req->snd_buff, byte_cnt) != 0) ||
2728 		    resp->snd_err) {
2729 			status = -1;
2730 		}
2731 	}
2732 
2733 err:
2734 	spin_unlock_bh(&adapter->mcc_lock);
2735 	return status;
2736 }
2737 
2738 int be_cmd_get_seeprom_data(struct be_adapter *adapter,
2739 			    struct be_dma_mem *nonemb_cmd)
2740 {
2741 	struct be_mcc_wrb *wrb;
2742 	struct be_cmd_req_seeprom_read *req;
2743 	int status;
2744 
2745 	spin_lock_bh(&adapter->mcc_lock);
2746 
2747 	wrb = wrb_from_mccq(adapter);
2748 	if (!wrb) {
2749 		status = -EBUSY;
2750 		goto err;
2751 	}
2752 	req = nonemb_cmd->va;
2753 
2754 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
2755 			       OPCODE_COMMON_SEEPROM_READ, sizeof(*req), wrb,
2756 			       nonemb_cmd);
2757 
2758 	status = be_mcc_notify_wait(adapter);
2759 
2760 err:
2761 	spin_unlock_bh(&adapter->mcc_lock);
2762 	return status;
2763 }
2764 
2765 int be_cmd_get_phy_info(struct be_adapter *adapter)
2766 {
2767 	struct be_mcc_wrb *wrb;
2768 	struct be_cmd_req_get_phy_info *req;
2769 	struct be_dma_mem cmd;
2770 	int status;
2771 
2772 	if (!be_cmd_allowed(adapter, OPCODE_COMMON_GET_PHY_DETAILS,
2773 			    CMD_SUBSYSTEM_COMMON))
2774 		return -EPERM;
2775 
2776 	spin_lock_bh(&adapter->mcc_lock);
2777 
2778 	wrb = wrb_from_mccq(adapter);
2779 	if (!wrb) {
2780 		status = -EBUSY;
2781 		goto err;
2782 	}
2783 	cmd.size = sizeof(struct be_cmd_req_get_phy_info);
2784 	cmd.va = dma_zalloc_coherent(&adapter->pdev->dev, cmd.size, &cmd.dma,
2785 				     GFP_ATOMIC);
2786 	if (!cmd.va) {
2787 		dev_err(&adapter->pdev->dev, "Memory alloc failure\n");
2788 		status = -ENOMEM;
2789 		goto err;
2790 	}
2791 
2792 	req = cmd.va;
2793 
2794 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
2795 			       OPCODE_COMMON_GET_PHY_DETAILS, sizeof(*req),
2796 			       wrb, &cmd);
2797 
2798 	status = be_mcc_notify_wait(adapter);
2799 	if (!status) {
2800 		struct be_phy_info *resp_phy_info =
2801 				cmd.va + sizeof(struct be_cmd_req_hdr);
2802 
2803 		adapter->phy.phy_type = le16_to_cpu(resp_phy_info->phy_type);
2804 		adapter->phy.interface_type =
2805 			le16_to_cpu(resp_phy_info->interface_type);
2806 		adapter->phy.auto_speeds_supported =
2807 			le16_to_cpu(resp_phy_info->auto_speeds_supported);
2808 		adapter->phy.fixed_speeds_supported =
2809 			le16_to_cpu(resp_phy_info->fixed_speeds_supported);
2810 		adapter->phy.misc_params =
2811 			le32_to_cpu(resp_phy_info->misc_params);
2812 
2813 		if (BE2_chip(adapter)) {
2814 			adapter->phy.fixed_speeds_supported =
2815 				BE_SUPPORTED_SPEED_10GBPS |
2816 				BE_SUPPORTED_SPEED_1GBPS;
2817 		}
2818 	}
2819 	dma_free_coherent(&adapter->pdev->dev, cmd.size, cmd.va, cmd.dma);
2820 err:
2821 	spin_unlock_bh(&adapter->mcc_lock);
2822 	return status;
2823 }
2824 
2825 static int be_cmd_set_qos(struct be_adapter *adapter, u32 bps, u32 domain)
2826 {
2827 	struct be_mcc_wrb *wrb;
2828 	struct be_cmd_req_set_qos *req;
2829 	int status;
2830 
2831 	spin_lock_bh(&adapter->mcc_lock);
2832 
2833 	wrb = wrb_from_mccq(adapter);
2834 	if (!wrb) {
2835 		status = -EBUSY;
2836 		goto err;
2837 	}
2838 
2839 	req = embedded_payload(wrb);
2840 
2841 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
2842 			       OPCODE_COMMON_SET_QOS, sizeof(*req), wrb, NULL);
2843 
2844 	req->hdr.domain = domain;
2845 	req->valid_bits = cpu_to_le32(BE_QOS_BITS_NIC);
2846 	req->max_bps_nic = cpu_to_le32(bps);
2847 
2848 	status = be_mcc_notify_wait(adapter);
2849 
2850 err:
2851 	spin_unlock_bh(&adapter->mcc_lock);
2852 	return status;
2853 }
2854 
2855 int be_cmd_get_cntl_attributes(struct be_adapter *adapter)
2856 {
2857 	struct be_mcc_wrb *wrb;
2858 	struct be_cmd_req_cntl_attribs *req;
2859 	struct be_cmd_resp_cntl_attribs *resp;
2860 	int status, i;
2861 	int payload_len = max(sizeof(*req), sizeof(*resp));
2862 	struct mgmt_controller_attrib *attribs;
2863 	struct be_dma_mem attribs_cmd;
2864 	u32 *serial_num;
2865 
2866 	if (mutex_lock_interruptible(&adapter->mbox_lock))
2867 		return -1;
2868 
2869 	memset(&attribs_cmd, 0, sizeof(struct be_dma_mem));
2870 	attribs_cmd.size = sizeof(struct be_cmd_resp_cntl_attribs);
2871 	attribs_cmd.va = dma_zalloc_coherent(&adapter->pdev->dev,
2872 					     attribs_cmd.size,
2873 					     &attribs_cmd.dma, GFP_ATOMIC);
2874 	if (!attribs_cmd.va) {
2875 		dev_err(&adapter->pdev->dev, "Memory allocation failure\n");
2876 		status = -ENOMEM;
2877 		goto err;
2878 	}
2879 
2880 	wrb = wrb_from_mbox(adapter);
2881 	if (!wrb) {
2882 		status = -EBUSY;
2883 		goto err;
2884 	}
2885 	req = attribs_cmd.va;
2886 
2887 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
2888 			       OPCODE_COMMON_GET_CNTL_ATTRIBUTES, payload_len,
2889 			       wrb, &attribs_cmd);
2890 
2891 	status = be_mbox_notify_wait(adapter);
2892 	if (!status) {
2893 		attribs = attribs_cmd.va + sizeof(struct be_cmd_resp_hdr);
2894 		adapter->hba_port_num = attribs->hba_attribs.phy_port;
2895 		adapter->pci_func_num = attribs->pci_func_num;
2896 		serial_num = attribs->hba_attribs.controller_serial_number;
2897 		for (i = 0; i < CNTL_SERIAL_NUM_WORDS; i++)
2898 			adapter->serial_num[i] = le32_to_cpu(serial_num[i]) &
2899 				(BIT_MASK(16) - 1);
2900 	}
2901 
2902 err:
2903 	mutex_unlock(&adapter->mbox_lock);
2904 	if (attribs_cmd.va)
2905 		dma_free_coherent(&adapter->pdev->dev, attribs_cmd.size,
2906 				  attribs_cmd.va, attribs_cmd.dma);
2907 	return status;
2908 }
2909 
2910 /* Uses mbox */
2911 int be_cmd_req_native_mode(struct be_adapter *adapter)
2912 {
2913 	struct be_mcc_wrb *wrb;
2914 	struct be_cmd_req_set_func_cap *req;
2915 	int status;
2916 
2917 	if (mutex_lock_interruptible(&adapter->mbox_lock))
2918 		return -1;
2919 
2920 	wrb = wrb_from_mbox(adapter);
2921 	if (!wrb) {
2922 		status = -EBUSY;
2923 		goto err;
2924 	}
2925 
2926 	req = embedded_payload(wrb);
2927 
2928 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
2929 			       OPCODE_COMMON_SET_DRIVER_FUNCTION_CAP,
2930 			       sizeof(*req), wrb, NULL);
2931 
2932 	req->valid_cap_flags = cpu_to_le32(CAPABILITY_SW_TIMESTAMPS |
2933 				CAPABILITY_BE3_NATIVE_ERX_API);
2934 	req->cap_flags = cpu_to_le32(CAPABILITY_BE3_NATIVE_ERX_API);
2935 
2936 	status = be_mbox_notify_wait(adapter);
2937 	if (!status) {
2938 		struct be_cmd_resp_set_func_cap *resp = embedded_payload(wrb);
2939 
2940 		adapter->be3_native = le32_to_cpu(resp->cap_flags) &
2941 					CAPABILITY_BE3_NATIVE_ERX_API;
2942 		if (!adapter->be3_native)
2943 			dev_warn(&adapter->pdev->dev,
2944 				 "adapter not in advanced mode\n");
2945 	}
2946 err:
2947 	mutex_unlock(&adapter->mbox_lock);
2948 	return status;
2949 }
2950 
2951 /* Get privilege(s) for a function */
2952 int be_cmd_get_fn_privileges(struct be_adapter *adapter, u32 *privilege,
2953 			     u32 domain)
2954 {
2955 	struct be_mcc_wrb *wrb;
2956 	struct be_cmd_req_get_fn_privileges *req;
2957 	int status;
2958 
2959 	spin_lock_bh(&adapter->mcc_lock);
2960 
2961 	wrb = wrb_from_mccq(adapter);
2962 	if (!wrb) {
2963 		status = -EBUSY;
2964 		goto err;
2965 	}
2966 
2967 	req = embedded_payload(wrb);
2968 
2969 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
2970 			       OPCODE_COMMON_GET_FN_PRIVILEGES, sizeof(*req),
2971 			       wrb, NULL);
2972 
2973 	req->hdr.domain = domain;
2974 
2975 	status = be_mcc_notify_wait(adapter);
2976 	if (!status) {
2977 		struct be_cmd_resp_get_fn_privileges *resp =
2978 						embedded_payload(wrb);
2979 
2980 		*privilege = le32_to_cpu(resp->privilege_mask);
2981 
2982 		/* In UMC mode FW does not return right privileges.
2983 		 * Override with correct privilege equivalent to PF.
2984 		 */
2985 		if (BEx_chip(adapter) && be_is_mc(adapter) &&
2986 		    be_physfn(adapter))
2987 			*privilege = MAX_PRIVILEGES;
2988 	}
2989 
2990 err:
2991 	spin_unlock_bh(&adapter->mcc_lock);
2992 	return status;
2993 }
2994 
2995 /* Set privilege(s) for a function */
2996 int be_cmd_set_fn_privileges(struct be_adapter *adapter, u32 privileges,
2997 			     u32 domain)
2998 {
2999 	struct be_mcc_wrb *wrb;
3000 	struct be_cmd_req_set_fn_privileges *req;
3001 	int status;
3002 
3003 	spin_lock_bh(&adapter->mcc_lock);
3004 
3005 	wrb = wrb_from_mccq(adapter);
3006 	if (!wrb) {
3007 		status = -EBUSY;
3008 		goto err;
3009 	}
3010 
3011 	req = embedded_payload(wrb);
3012 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
3013 			       OPCODE_COMMON_SET_FN_PRIVILEGES, sizeof(*req),
3014 			       wrb, NULL);
3015 	req->hdr.domain = domain;
3016 	if (lancer_chip(adapter))
3017 		req->privileges_lancer = cpu_to_le32(privileges);
3018 	else
3019 		req->privileges = cpu_to_le32(privileges);
3020 
3021 	status = be_mcc_notify_wait(adapter);
3022 err:
3023 	spin_unlock_bh(&adapter->mcc_lock);
3024 	return status;
3025 }
3026 
3027 /* pmac_id_valid: true => pmac_id is supplied and MAC address is requested.
3028  * pmac_id_valid: false => pmac_id or MAC address is requested.
3029  *		  If pmac_id is returned, pmac_id_valid is returned as true
3030  */
3031 int be_cmd_get_mac_from_list(struct be_adapter *adapter, u8 *mac,
3032 			     bool *pmac_id_valid, u32 *pmac_id, u32 if_handle,
3033 			     u8 domain)
3034 {
3035 	struct be_mcc_wrb *wrb;
3036 	struct be_cmd_req_get_mac_list *req;
3037 	int status;
3038 	int mac_count;
3039 	struct be_dma_mem get_mac_list_cmd;
3040 	int i;
3041 
3042 	memset(&get_mac_list_cmd, 0, sizeof(struct be_dma_mem));
3043 	get_mac_list_cmd.size = sizeof(struct be_cmd_resp_get_mac_list);
3044 	get_mac_list_cmd.va = dma_zalloc_coherent(&adapter->pdev->dev,
3045 						  get_mac_list_cmd.size,
3046 						  &get_mac_list_cmd.dma,
3047 						  GFP_ATOMIC);
3048 
3049 	if (!get_mac_list_cmd.va) {
3050 		dev_err(&adapter->pdev->dev,
3051 			"Memory allocation failure during GET_MAC_LIST\n");
3052 		return -ENOMEM;
3053 	}
3054 
3055 	spin_lock_bh(&adapter->mcc_lock);
3056 
3057 	wrb = wrb_from_mccq(adapter);
3058 	if (!wrb) {
3059 		status = -EBUSY;
3060 		goto out;
3061 	}
3062 
3063 	req = get_mac_list_cmd.va;
3064 
3065 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
3066 			       OPCODE_COMMON_GET_MAC_LIST,
3067 			       get_mac_list_cmd.size, wrb, &get_mac_list_cmd);
3068 	req->hdr.domain = domain;
3069 	req->mac_type = MAC_ADDRESS_TYPE_NETWORK;
3070 	if (*pmac_id_valid) {
3071 		req->mac_id = cpu_to_le32(*pmac_id);
3072 		req->iface_id = cpu_to_le16(if_handle);
3073 		req->perm_override = 0;
3074 	} else {
3075 		req->perm_override = 1;
3076 	}
3077 
3078 	status = be_mcc_notify_wait(adapter);
3079 	if (!status) {
3080 		struct be_cmd_resp_get_mac_list *resp =
3081 						get_mac_list_cmd.va;
3082 
3083 		if (*pmac_id_valid) {
3084 			memcpy(mac, resp->macid_macaddr.mac_addr_id.macaddr,
3085 			       ETH_ALEN);
3086 			goto out;
3087 		}
3088 
3089 		mac_count = resp->true_mac_count + resp->pseudo_mac_count;
3090 		/* Mac list returned could contain one or more active mac_ids
3091 		 * or one or more true or pseudo permanent mac addresses.
3092 		 * If an active mac_id is present, return first active mac_id
3093 		 * found.
3094 		 */
3095 		for (i = 0; i < mac_count; i++) {
3096 			struct get_list_macaddr *mac_entry;
3097 			u16 mac_addr_size;
3098 			u32 mac_id;
3099 
3100 			mac_entry = &resp->macaddr_list[i];
3101 			mac_addr_size = le16_to_cpu(mac_entry->mac_addr_size);
3102 			/* mac_id is a 32 bit value and mac_addr size
3103 			 * is 6 bytes
3104 			 */
3105 			if (mac_addr_size == sizeof(u32)) {
3106 				*pmac_id_valid = true;
3107 				mac_id = mac_entry->mac_addr_id.s_mac_id.mac_id;
3108 				*pmac_id = le32_to_cpu(mac_id);
3109 				goto out;
3110 			}
3111 		}
3112 		/* If no active mac_id found, return first mac addr */
3113 		*pmac_id_valid = false;
3114 		memcpy(mac, resp->macaddr_list[0].mac_addr_id.macaddr,
3115 		       ETH_ALEN);
3116 	}
3117 
3118 out:
3119 	spin_unlock_bh(&adapter->mcc_lock);
3120 	dma_free_coherent(&adapter->pdev->dev, get_mac_list_cmd.size,
3121 			  get_mac_list_cmd.va, get_mac_list_cmd.dma);
3122 	return status;
3123 }
3124 
3125 int be_cmd_get_active_mac(struct be_adapter *adapter, u32 curr_pmac_id,
3126 			  u8 *mac, u32 if_handle, bool active, u32 domain)
3127 {
3128 	if (!active)
3129 		be_cmd_get_mac_from_list(adapter, mac, &active, &curr_pmac_id,
3130 					 if_handle, domain);
3131 	if (BEx_chip(adapter))
3132 		return be_cmd_mac_addr_query(adapter, mac, false,
3133 					     if_handle, curr_pmac_id);
3134 	else
3135 		/* Fetch the MAC address using pmac_id */
3136 		return be_cmd_get_mac_from_list(adapter, mac, &active,
3137 						&curr_pmac_id,
3138 						if_handle, domain);
3139 }
3140 
3141 int be_cmd_get_perm_mac(struct be_adapter *adapter, u8 *mac)
3142 {
3143 	int status;
3144 	bool pmac_valid = false;
3145 
3146 	eth_zero_addr(mac);
3147 
3148 	if (BEx_chip(adapter)) {
3149 		if (be_physfn(adapter))
3150 			status = be_cmd_mac_addr_query(adapter, mac, true, 0,
3151 						       0);
3152 		else
3153 			status = be_cmd_mac_addr_query(adapter, mac, false,
3154 						       adapter->if_handle, 0);
3155 	} else {
3156 		status = be_cmd_get_mac_from_list(adapter, mac, &pmac_valid,
3157 						  NULL, adapter->if_handle, 0);
3158 	}
3159 
3160 	return status;
3161 }
3162 
3163 /* Uses synchronous MCCQ */
3164 int be_cmd_set_mac_list(struct be_adapter *adapter, u8 *mac_array,
3165 			u8 mac_count, u32 domain)
3166 {
3167 	struct be_mcc_wrb *wrb;
3168 	struct be_cmd_req_set_mac_list *req;
3169 	int status;
3170 	struct be_dma_mem cmd;
3171 
3172 	memset(&cmd, 0, sizeof(struct be_dma_mem));
3173 	cmd.size = sizeof(struct be_cmd_req_set_mac_list);
3174 	cmd.va = dma_zalloc_coherent(&adapter->pdev->dev, cmd.size, &cmd.dma,
3175 				     GFP_KERNEL);
3176 	if (!cmd.va)
3177 		return -ENOMEM;
3178 
3179 	spin_lock_bh(&adapter->mcc_lock);
3180 
3181 	wrb = wrb_from_mccq(adapter);
3182 	if (!wrb) {
3183 		status = -EBUSY;
3184 		goto err;
3185 	}
3186 
3187 	req = cmd.va;
3188 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
3189 			       OPCODE_COMMON_SET_MAC_LIST, sizeof(*req),
3190 			       wrb, &cmd);
3191 
3192 	req->hdr.domain = domain;
3193 	req->mac_count = mac_count;
3194 	if (mac_count)
3195 		memcpy(req->mac, mac_array, ETH_ALEN*mac_count);
3196 
3197 	status = be_mcc_notify_wait(adapter);
3198 
3199 err:
3200 	dma_free_coherent(&adapter->pdev->dev, cmd.size, cmd.va, cmd.dma);
3201 	spin_unlock_bh(&adapter->mcc_lock);
3202 	return status;
3203 }
3204 
3205 /* Wrapper to delete any active MACs and provision the new mac.
3206  * Changes to MAC_LIST are allowed iff none of the MAC addresses in the
3207  * current list are active.
3208  */
3209 int be_cmd_set_mac(struct be_adapter *adapter, u8 *mac, int if_id, u32 dom)
3210 {
3211 	bool active_mac = false;
3212 	u8 old_mac[ETH_ALEN];
3213 	u32 pmac_id;
3214 	int status;
3215 
3216 	status = be_cmd_get_mac_from_list(adapter, old_mac, &active_mac,
3217 					  &pmac_id, if_id, dom);
3218 
3219 	if (!status && active_mac)
3220 		be_cmd_pmac_del(adapter, if_id, pmac_id, dom);
3221 
3222 	return be_cmd_set_mac_list(adapter, mac, mac ? 1 : 0, dom);
3223 }
3224 
3225 int be_cmd_set_hsw_config(struct be_adapter *adapter, u16 pvid,
3226 			  u32 domain, u16 intf_id, u16 hsw_mode, u8 spoofchk)
3227 {
3228 	struct be_mcc_wrb *wrb;
3229 	struct be_cmd_req_set_hsw_config *req;
3230 	void *ctxt;
3231 	int status;
3232 
3233 	spin_lock_bh(&adapter->mcc_lock);
3234 
3235 	wrb = wrb_from_mccq(adapter);
3236 	if (!wrb) {
3237 		status = -EBUSY;
3238 		goto err;
3239 	}
3240 
3241 	req = embedded_payload(wrb);
3242 	ctxt = &req->context;
3243 
3244 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
3245 			       OPCODE_COMMON_SET_HSW_CONFIG, sizeof(*req), wrb,
3246 			       NULL);
3247 
3248 	req->hdr.domain = domain;
3249 	AMAP_SET_BITS(struct amap_set_hsw_context, interface_id, ctxt, intf_id);
3250 	if (pvid) {
3251 		AMAP_SET_BITS(struct amap_set_hsw_context, pvid_valid, ctxt, 1);
3252 		AMAP_SET_BITS(struct amap_set_hsw_context, pvid, ctxt, pvid);
3253 	}
3254 	if (!BEx_chip(adapter) && hsw_mode) {
3255 		AMAP_SET_BITS(struct amap_set_hsw_context, interface_id,
3256 			      ctxt, adapter->hba_port_num);
3257 		AMAP_SET_BITS(struct amap_set_hsw_context, pport, ctxt, 1);
3258 		AMAP_SET_BITS(struct amap_set_hsw_context, port_fwd_type,
3259 			      ctxt, hsw_mode);
3260 	}
3261 
3262 	/* Enable/disable both mac and vlan spoof checking */
3263 	if (!BEx_chip(adapter) && spoofchk) {
3264 		AMAP_SET_BITS(struct amap_set_hsw_context, mac_spoofchk,
3265 			      ctxt, spoofchk);
3266 		AMAP_SET_BITS(struct amap_set_hsw_context, vlan_spoofchk,
3267 			      ctxt, spoofchk);
3268 	}
3269 
3270 	be_dws_cpu_to_le(req->context, sizeof(req->context));
3271 	status = be_mcc_notify_wait(adapter);
3272 
3273 err:
3274 	spin_unlock_bh(&adapter->mcc_lock);
3275 	return status;
3276 }
3277 
3278 /* Get Hyper switch config */
3279 int be_cmd_get_hsw_config(struct be_adapter *adapter, u16 *pvid,
3280 			  u32 domain, u16 intf_id, u8 *mode, bool *spoofchk)
3281 {
3282 	struct be_mcc_wrb *wrb;
3283 	struct be_cmd_req_get_hsw_config *req;
3284 	void *ctxt;
3285 	int status;
3286 	u16 vid;
3287 
3288 	spin_lock_bh(&adapter->mcc_lock);
3289 
3290 	wrb = wrb_from_mccq(adapter);
3291 	if (!wrb) {
3292 		status = -EBUSY;
3293 		goto err;
3294 	}
3295 
3296 	req = embedded_payload(wrb);
3297 	ctxt = &req->context;
3298 
3299 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
3300 			       OPCODE_COMMON_GET_HSW_CONFIG, sizeof(*req), wrb,
3301 			       NULL);
3302 
3303 	req->hdr.domain = domain;
3304 	AMAP_SET_BITS(struct amap_get_hsw_req_context, interface_id,
3305 		      ctxt, intf_id);
3306 	AMAP_SET_BITS(struct amap_get_hsw_req_context, pvid_valid, ctxt, 1);
3307 
3308 	if (!BEx_chip(adapter) && mode) {
3309 		AMAP_SET_BITS(struct amap_get_hsw_req_context, interface_id,
3310 			      ctxt, adapter->hba_port_num);
3311 		AMAP_SET_BITS(struct amap_get_hsw_req_context, pport, ctxt, 1);
3312 	}
3313 	be_dws_cpu_to_le(req->context, sizeof(req->context));
3314 
3315 	status = be_mcc_notify_wait(adapter);
3316 	if (!status) {
3317 		struct be_cmd_resp_get_hsw_config *resp =
3318 						embedded_payload(wrb);
3319 
3320 		be_dws_le_to_cpu(&resp->context, sizeof(resp->context));
3321 		vid = AMAP_GET_BITS(struct amap_get_hsw_resp_context,
3322 				    pvid, &resp->context);
3323 		if (pvid)
3324 			*pvid = le16_to_cpu(vid);
3325 		if (mode)
3326 			*mode = AMAP_GET_BITS(struct amap_get_hsw_resp_context,
3327 					      port_fwd_type, &resp->context);
3328 		if (spoofchk)
3329 			*spoofchk =
3330 				AMAP_GET_BITS(struct amap_get_hsw_resp_context,
3331 					      spoofchk, &resp->context);
3332 	}
3333 
3334 err:
3335 	spin_unlock_bh(&adapter->mcc_lock);
3336 	return status;
3337 }
3338 
3339 static bool be_is_wol_excluded(struct be_adapter *adapter)
3340 {
3341 	struct pci_dev *pdev = adapter->pdev;
3342 
3343 	if (be_virtfn(adapter))
3344 		return true;
3345 
3346 	switch (pdev->subsystem_device) {
3347 	case OC_SUBSYS_DEVICE_ID1:
3348 	case OC_SUBSYS_DEVICE_ID2:
3349 	case OC_SUBSYS_DEVICE_ID3:
3350 	case OC_SUBSYS_DEVICE_ID4:
3351 		return true;
3352 	default:
3353 		return false;
3354 	}
3355 }
3356 
3357 int be_cmd_get_acpi_wol_cap(struct be_adapter *adapter)
3358 {
3359 	struct be_mcc_wrb *wrb;
3360 	struct be_cmd_req_acpi_wol_magic_config_v1 *req;
3361 	int status = 0;
3362 	struct be_dma_mem cmd;
3363 
3364 	if (!be_cmd_allowed(adapter, OPCODE_ETH_ACPI_WOL_MAGIC_CONFIG,
3365 			    CMD_SUBSYSTEM_ETH))
3366 		return -EPERM;
3367 
3368 	if (be_is_wol_excluded(adapter))
3369 		return status;
3370 
3371 	if (mutex_lock_interruptible(&adapter->mbox_lock))
3372 		return -1;
3373 
3374 	memset(&cmd, 0, sizeof(struct be_dma_mem));
3375 	cmd.size = sizeof(struct be_cmd_resp_acpi_wol_magic_config_v1);
3376 	cmd.va = dma_zalloc_coherent(&adapter->pdev->dev, cmd.size, &cmd.dma,
3377 				     GFP_ATOMIC);
3378 	if (!cmd.va) {
3379 		dev_err(&adapter->pdev->dev, "Memory allocation failure\n");
3380 		status = -ENOMEM;
3381 		goto err;
3382 	}
3383 
3384 	wrb = wrb_from_mbox(adapter);
3385 	if (!wrb) {
3386 		status = -EBUSY;
3387 		goto err;
3388 	}
3389 
3390 	req = cmd.va;
3391 
3392 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH,
3393 			       OPCODE_ETH_ACPI_WOL_MAGIC_CONFIG,
3394 			       sizeof(*req), wrb, &cmd);
3395 
3396 	req->hdr.version = 1;
3397 	req->query_options = BE_GET_WOL_CAP;
3398 
3399 	status = be_mbox_notify_wait(adapter);
3400 	if (!status) {
3401 		struct be_cmd_resp_acpi_wol_magic_config_v1 *resp;
3402 
3403 		resp = (struct be_cmd_resp_acpi_wol_magic_config_v1 *)cmd.va;
3404 
3405 		adapter->wol_cap = resp->wol_settings;
3406 		if (adapter->wol_cap & BE_WOL_CAP)
3407 			adapter->wol_en = true;
3408 	}
3409 err:
3410 	mutex_unlock(&adapter->mbox_lock);
3411 	if (cmd.va)
3412 		dma_free_coherent(&adapter->pdev->dev, cmd.size, cmd.va,
3413 				  cmd.dma);
3414 	return status;
3415 
3416 }
3417 
3418 int be_cmd_set_fw_log_level(struct be_adapter *adapter, u32 level)
3419 {
3420 	struct be_dma_mem extfat_cmd;
3421 	struct be_fat_conf_params *cfgs;
3422 	int status;
3423 	int i, j;
3424 
3425 	memset(&extfat_cmd, 0, sizeof(struct be_dma_mem));
3426 	extfat_cmd.size = sizeof(struct be_cmd_resp_get_ext_fat_caps);
3427 	extfat_cmd.va = dma_zalloc_coherent(&adapter->pdev->dev,
3428 					    extfat_cmd.size, &extfat_cmd.dma,
3429 					    GFP_ATOMIC);
3430 	if (!extfat_cmd.va)
3431 		return -ENOMEM;
3432 
3433 	status = be_cmd_get_ext_fat_capabilites(adapter, &extfat_cmd);
3434 	if (status)
3435 		goto err;
3436 
3437 	cfgs = (struct be_fat_conf_params *)
3438 			(extfat_cmd.va + sizeof(struct be_cmd_resp_hdr));
3439 	for (i = 0; i < le32_to_cpu(cfgs->num_modules); i++) {
3440 		u32 num_modes = le32_to_cpu(cfgs->module[i].num_modes);
3441 
3442 		for (j = 0; j < num_modes; j++) {
3443 			if (cfgs->module[i].trace_lvl[j].mode == MODE_UART)
3444 				cfgs->module[i].trace_lvl[j].dbg_lvl =
3445 							cpu_to_le32(level);
3446 		}
3447 	}
3448 
3449 	status = be_cmd_set_ext_fat_capabilites(adapter, &extfat_cmd, cfgs);
3450 err:
3451 	dma_free_coherent(&adapter->pdev->dev, extfat_cmd.size, extfat_cmd.va,
3452 			  extfat_cmd.dma);
3453 	return status;
3454 }
3455 
3456 int be_cmd_get_fw_log_level(struct be_adapter *adapter)
3457 {
3458 	struct be_dma_mem extfat_cmd;
3459 	struct be_fat_conf_params *cfgs;
3460 	int status, j;
3461 	int level = 0;
3462 
3463 	memset(&extfat_cmd, 0, sizeof(struct be_dma_mem));
3464 	extfat_cmd.size = sizeof(struct be_cmd_resp_get_ext_fat_caps);
3465 	extfat_cmd.va = dma_zalloc_coherent(&adapter->pdev->dev,
3466 					    extfat_cmd.size, &extfat_cmd.dma,
3467 					    GFP_ATOMIC);
3468 
3469 	if (!extfat_cmd.va) {
3470 		dev_err(&adapter->pdev->dev, "%s: Memory allocation failure\n",
3471 			__func__);
3472 		goto err;
3473 	}
3474 
3475 	status = be_cmd_get_ext_fat_capabilites(adapter, &extfat_cmd);
3476 	if (!status) {
3477 		cfgs = (struct be_fat_conf_params *)(extfat_cmd.va +
3478 						sizeof(struct be_cmd_resp_hdr));
3479 
3480 		for (j = 0; j < le32_to_cpu(cfgs->module[0].num_modes); j++) {
3481 			if (cfgs->module[0].trace_lvl[j].mode == MODE_UART)
3482 				level = cfgs->module[0].trace_lvl[j].dbg_lvl;
3483 		}
3484 	}
3485 	dma_free_coherent(&adapter->pdev->dev, extfat_cmd.size, extfat_cmd.va,
3486 			  extfat_cmd.dma);
3487 err:
3488 	return level;
3489 }
3490 
3491 int be_cmd_get_ext_fat_capabilites(struct be_adapter *adapter,
3492 				   struct be_dma_mem *cmd)
3493 {
3494 	struct be_mcc_wrb *wrb;
3495 	struct be_cmd_req_get_ext_fat_caps *req;
3496 	int status;
3497 
3498 	if (mutex_lock_interruptible(&adapter->mbox_lock))
3499 		return -1;
3500 
3501 	wrb = wrb_from_mbox(adapter);
3502 	if (!wrb) {
3503 		status = -EBUSY;
3504 		goto err;
3505 	}
3506 
3507 	req = cmd->va;
3508 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
3509 			       OPCODE_COMMON_GET_EXT_FAT_CAPABILITES,
3510 			       cmd->size, wrb, cmd);
3511 	req->parameter_type = cpu_to_le32(1);
3512 
3513 	status = be_mbox_notify_wait(adapter);
3514 err:
3515 	mutex_unlock(&adapter->mbox_lock);
3516 	return status;
3517 }
3518 
3519 int be_cmd_set_ext_fat_capabilites(struct be_adapter *adapter,
3520 				   struct be_dma_mem *cmd,
3521 				   struct be_fat_conf_params *configs)
3522 {
3523 	struct be_mcc_wrb *wrb;
3524 	struct be_cmd_req_set_ext_fat_caps *req;
3525 	int status;
3526 
3527 	spin_lock_bh(&adapter->mcc_lock);
3528 
3529 	wrb = wrb_from_mccq(adapter);
3530 	if (!wrb) {
3531 		status = -EBUSY;
3532 		goto err;
3533 	}
3534 
3535 	req = cmd->va;
3536 	memcpy(&req->set_params, configs, sizeof(struct be_fat_conf_params));
3537 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
3538 			       OPCODE_COMMON_SET_EXT_FAT_CAPABILITES,
3539 			       cmd->size, wrb, cmd);
3540 
3541 	status = be_mcc_notify_wait(adapter);
3542 err:
3543 	spin_unlock_bh(&adapter->mcc_lock);
3544 	return status;
3545 }
3546 
3547 int be_cmd_query_port_name(struct be_adapter *adapter)
3548 {
3549 	struct be_cmd_req_get_port_name *req;
3550 	struct be_mcc_wrb *wrb;
3551 	int status;
3552 
3553 	if (mutex_lock_interruptible(&adapter->mbox_lock))
3554 		return -1;
3555 
3556 	wrb = wrb_from_mbox(adapter);
3557 	req = embedded_payload(wrb);
3558 
3559 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
3560 			       OPCODE_COMMON_GET_PORT_NAME, sizeof(*req), wrb,
3561 			       NULL);
3562 	if (!BEx_chip(adapter))
3563 		req->hdr.version = 1;
3564 
3565 	status = be_mbox_notify_wait(adapter);
3566 	if (!status) {
3567 		struct be_cmd_resp_get_port_name *resp = embedded_payload(wrb);
3568 
3569 		adapter->port_name = resp->port_name[adapter->hba_port_num];
3570 	} else {
3571 		adapter->port_name = adapter->hba_port_num + '0';
3572 	}
3573 
3574 	mutex_unlock(&adapter->mbox_lock);
3575 	return status;
3576 }
3577 
3578 /* Descriptor type */
3579 enum {
3580 	FUNC_DESC = 1,
3581 	VFT_DESC = 2
3582 };
3583 
3584 static struct be_nic_res_desc *be_get_nic_desc(u8 *buf, u32 desc_count,
3585 					       int desc_type)
3586 {
3587 	struct be_res_desc_hdr *hdr = (struct be_res_desc_hdr *)buf;
3588 	struct be_nic_res_desc *nic;
3589 	int i;
3590 
3591 	for (i = 0; i < desc_count; i++) {
3592 		if (hdr->desc_type == NIC_RESOURCE_DESC_TYPE_V0 ||
3593 		    hdr->desc_type == NIC_RESOURCE_DESC_TYPE_V1) {
3594 			nic = (struct be_nic_res_desc *)hdr;
3595 			if (desc_type == FUNC_DESC ||
3596 			    (desc_type == VFT_DESC &&
3597 			     nic->flags & (1 << VFT_SHIFT)))
3598 				return nic;
3599 		}
3600 
3601 		hdr->desc_len = hdr->desc_len ? : RESOURCE_DESC_SIZE_V0;
3602 		hdr = (void *)hdr + hdr->desc_len;
3603 	}
3604 	return NULL;
3605 }
3606 
3607 static struct be_nic_res_desc *be_get_vft_desc(u8 *buf, u32 desc_count)
3608 {
3609 	return be_get_nic_desc(buf, desc_count, VFT_DESC);
3610 }
3611 
3612 static struct be_nic_res_desc *be_get_func_nic_desc(u8 *buf, u32 desc_count)
3613 {
3614 	return be_get_nic_desc(buf, desc_count, FUNC_DESC);
3615 }
3616 
3617 static struct be_pcie_res_desc *be_get_pcie_desc(u8 devfn, u8 *buf,
3618 						 u32 desc_count)
3619 {
3620 	struct be_res_desc_hdr *hdr = (struct be_res_desc_hdr *)buf;
3621 	struct be_pcie_res_desc *pcie;
3622 	int i;
3623 
3624 	for (i = 0; i < desc_count; i++) {
3625 		if ((hdr->desc_type == PCIE_RESOURCE_DESC_TYPE_V0 ||
3626 		     hdr->desc_type == PCIE_RESOURCE_DESC_TYPE_V1)) {
3627 			pcie = (struct be_pcie_res_desc	*)hdr;
3628 			if (pcie->pf_num == devfn)
3629 				return pcie;
3630 		}
3631 
3632 		hdr->desc_len = hdr->desc_len ? : RESOURCE_DESC_SIZE_V0;
3633 		hdr = (void *)hdr + hdr->desc_len;
3634 	}
3635 	return NULL;
3636 }
3637 
3638 static struct be_port_res_desc *be_get_port_desc(u8 *buf, u32 desc_count)
3639 {
3640 	struct be_res_desc_hdr *hdr = (struct be_res_desc_hdr *)buf;
3641 	int i;
3642 
3643 	for (i = 0; i < desc_count; i++) {
3644 		if (hdr->desc_type == PORT_RESOURCE_DESC_TYPE_V1)
3645 			return (struct be_port_res_desc *)hdr;
3646 
3647 		hdr->desc_len = hdr->desc_len ? : RESOURCE_DESC_SIZE_V0;
3648 		hdr = (void *)hdr + hdr->desc_len;
3649 	}
3650 	return NULL;
3651 }
3652 
3653 static void be_copy_nic_desc(struct be_resources *res,
3654 			     struct be_nic_res_desc *desc)
3655 {
3656 	res->max_uc_mac = le16_to_cpu(desc->unicast_mac_count);
3657 	res->max_vlans = le16_to_cpu(desc->vlan_count);
3658 	res->max_mcast_mac = le16_to_cpu(desc->mcast_mac_count);
3659 	res->max_tx_qs = le16_to_cpu(desc->txq_count);
3660 	res->max_rss_qs = le16_to_cpu(desc->rssq_count);
3661 	res->max_rx_qs = le16_to_cpu(desc->rq_count);
3662 	res->max_evt_qs = le16_to_cpu(desc->eq_count);
3663 	res->max_cq_count = le16_to_cpu(desc->cq_count);
3664 	res->max_iface_count = le16_to_cpu(desc->iface_count);
3665 	res->max_mcc_count = le16_to_cpu(desc->mcc_count);
3666 	/* Clear flags that driver is not interested in */
3667 	res->if_cap_flags = le32_to_cpu(desc->cap_flags) &
3668 				BE_IF_CAP_FLAGS_WANT;
3669 }
3670 
3671 /* Uses Mbox */
3672 int be_cmd_get_func_config(struct be_adapter *adapter, struct be_resources *res)
3673 {
3674 	struct be_mcc_wrb *wrb;
3675 	struct be_cmd_req_get_func_config *req;
3676 	int status;
3677 	struct be_dma_mem cmd;
3678 
3679 	if (mutex_lock_interruptible(&adapter->mbox_lock))
3680 		return -1;
3681 
3682 	memset(&cmd, 0, sizeof(struct be_dma_mem));
3683 	cmd.size = sizeof(struct be_cmd_resp_get_func_config);
3684 	cmd.va = dma_zalloc_coherent(&adapter->pdev->dev, cmd.size, &cmd.dma,
3685 				     GFP_ATOMIC);
3686 	if (!cmd.va) {
3687 		dev_err(&adapter->pdev->dev, "Memory alloc failure\n");
3688 		status = -ENOMEM;
3689 		goto err;
3690 	}
3691 
3692 	wrb = wrb_from_mbox(adapter);
3693 	if (!wrb) {
3694 		status = -EBUSY;
3695 		goto err;
3696 	}
3697 
3698 	req = cmd.va;
3699 
3700 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
3701 			       OPCODE_COMMON_GET_FUNC_CONFIG,
3702 			       cmd.size, wrb, &cmd);
3703 
3704 	if (skyhawk_chip(adapter))
3705 		req->hdr.version = 1;
3706 
3707 	status = be_mbox_notify_wait(adapter);
3708 	if (!status) {
3709 		struct be_cmd_resp_get_func_config *resp = cmd.va;
3710 		u32 desc_count = le32_to_cpu(resp->desc_count);
3711 		struct be_nic_res_desc *desc;
3712 
3713 		desc = be_get_func_nic_desc(resp->func_param, desc_count);
3714 		if (!desc) {
3715 			status = -EINVAL;
3716 			goto err;
3717 		}
3718 		adapter->pf_number = desc->pf_num;
3719 		be_copy_nic_desc(res, desc);
3720 	}
3721 err:
3722 	mutex_unlock(&adapter->mbox_lock);
3723 	if (cmd.va)
3724 		dma_free_coherent(&adapter->pdev->dev, cmd.size, cmd.va,
3725 				  cmd.dma);
3726 	return status;
3727 }
3728 
3729 /* Will use MBOX only if MCCQ has not been created
3730  * non-zero domain => a PF is querying this on behalf of a VF
3731  * zero domain => a PF or a VF is querying this for itself
3732  */
3733 int be_cmd_get_profile_config(struct be_adapter *adapter,
3734 			      struct be_resources *res, u8 query, u8 domain)
3735 {
3736 	struct be_cmd_resp_get_profile_config *resp;
3737 	struct be_cmd_req_get_profile_config *req;
3738 	struct be_nic_res_desc *vf_res;
3739 	struct be_pcie_res_desc *pcie;
3740 	struct be_port_res_desc *port;
3741 	struct be_nic_res_desc *nic;
3742 	struct be_mcc_wrb wrb = {0};
3743 	struct be_dma_mem cmd;
3744 	u16 desc_count;
3745 	int status;
3746 
3747 	memset(&cmd, 0, sizeof(struct be_dma_mem));
3748 	cmd.size = sizeof(struct be_cmd_resp_get_profile_config);
3749 	cmd.va = dma_zalloc_coherent(&adapter->pdev->dev, cmd.size, &cmd.dma,
3750 				     GFP_ATOMIC);
3751 	if (!cmd.va)
3752 		return -ENOMEM;
3753 
3754 	req = cmd.va;
3755 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
3756 			       OPCODE_COMMON_GET_PROFILE_CONFIG,
3757 			       cmd.size, &wrb, &cmd);
3758 
3759 	if (!lancer_chip(adapter))
3760 		req->hdr.version = 1;
3761 	req->type = ACTIVE_PROFILE_TYPE;
3762 	/* When a function is querying profile information relating to
3763 	 * itself hdr.pf_number must be set to it's pci_func_num + 1
3764 	 */
3765 	req->hdr.domain = domain;
3766 	if (domain == 0)
3767 		req->hdr.pf_num = adapter->pci_func_num + 1;
3768 
3769 	/* When QUERY_MODIFIABLE_FIELDS_TYPE bit is set, cmd returns the
3770 	 * descriptors with all bits set to "1" for the fields which can be
3771 	 * modified using SET_PROFILE_CONFIG cmd.
3772 	 */
3773 	if (query == RESOURCE_MODIFIABLE)
3774 		req->type |= QUERY_MODIFIABLE_FIELDS_TYPE;
3775 
3776 	status = be_cmd_notify_wait(adapter, &wrb);
3777 	if (status)
3778 		goto err;
3779 
3780 	resp = cmd.va;
3781 	desc_count = le16_to_cpu(resp->desc_count);
3782 
3783 	pcie = be_get_pcie_desc(adapter->pdev->devfn, resp->func_param,
3784 				desc_count);
3785 	if (pcie)
3786 		res->max_vfs = le16_to_cpu(pcie->num_vfs);
3787 
3788 	port = be_get_port_desc(resp->func_param, desc_count);
3789 	if (port)
3790 		adapter->mc_type = port->mc_type;
3791 
3792 	nic = be_get_func_nic_desc(resp->func_param, desc_count);
3793 	if (nic)
3794 		be_copy_nic_desc(res, nic);
3795 
3796 	vf_res = be_get_vft_desc(resp->func_param, desc_count);
3797 	if (vf_res)
3798 		res->vf_if_cap_flags = vf_res->cap_flags;
3799 err:
3800 	if (cmd.va)
3801 		dma_free_coherent(&adapter->pdev->dev, cmd.size, cmd.va,
3802 				  cmd.dma);
3803 	return status;
3804 }
3805 
3806 /* Will use MBOX only if MCCQ has not been created */
3807 static int be_cmd_set_profile_config(struct be_adapter *adapter, void *desc,
3808 				     int size, int count, u8 version, u8 domain)
3809 {
3810 	struct be_cmd_req_set_profile_config *req;
3811 	struct be_mcc_wrb wrb = {0};
3812 	struct be_dma_mem cmd;
3813 	int status;
3814 
3815 	memset(&cmd, 0, sizeof(struct be_dma_mem));
3816 	cmd.size = sizeof(struct be_cmd_req_set_profile_config);
3817 	cmd.va = dma_zalloc_coherent(&adapter->pdev->dev, cmd.size, &cmd.dma,
3818 				     GFP_ATOMIC);
3819 	if (!cmd.va)
3820 		return -ENOMEM;
3821 
3822 	req = cmd.va;
3823 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
3824 			       OPCODE_COMMON_SET_PROFILE_CONFIG, cmd.size,
3825 			       &wrb, &cmd);
3826 	req->hdr.version = version;
3827 	req->hdr.domain = domain;
3828 	req->desc_count = cpu_to_le32(count);
3829 	memcpy(req->desc, desc, size);
3830 
3831 	status = be_cmd_notify_wait(adapter, &wrb);
3832 
3833 	if (cmd.va)
3834 		dma_free_coherent(&adapter->pdev->dev, cmd.size, cmd.va,
3835 				  cmd.dma);
3836 	return status;
3837 }
3838 
3839 /* Mark all fields invalid */
3840 static void be_reset_nic_desc(struct be_nic_res_desc *nic)
3841 {
3842 	memset(nic, 0, sizeof(*nic));
3843 	nic->unicast_mac_count = 0xFFFF;
3844 	nic->mcc_count = 0xFFFF;
3845 	nic->vlan_count = 0xFFFF;
3846 	nic->mcast_mac_count = 0xFFFF;
3847 	nic->txq_count = 0xFFFF;
3848 	nic->rq_count = 0xFFFF;
3849 	nic->rssq_count = 0xFFFF;
3850 	nic->lro_count = 0xFFFF;
3851 	nic->cq_count = 0xFFFF;
3852 	nic->toe_conn_count = 0xFFFF;
3853 	nic->eq_count = 0xFFFF;
3854 	nic->iface_count = 0xFFFF;
3855 	nic->link_param = 0xFF;
3856 	nic->channel_id_param = cpu_to_le16(0xF000);
3857 	nic->acpi_params = 0xFF;
3858 	nic->wol_param = 0x0F;
3859 	nic->tunnel_iface_count = 0xFFFF;
3860 	nic->direct_tenant_iface_count = 0xFFFF;
3861 	nic->bw_min = 0xFFFFFFFF;
3862 	nic->bw_max = 0xFFFFFFFF;
3863 }
3864 
3865 /* Mark all fields invalid */
3866 static void be_reset_pcie_desc(struct be_pcie_res_desc *pcie)
3867 {
3868 	memset(pcie, 0, sizeof(*pcie));
3869 	pcie->sriov_state = 0xFF;
3870 	pcie->pf_state = 0xFF;
3871 	pcie->pf_type = 0xFF;
3872 	pcie->num_vfs = 0xFFFF;
3873 }
3874 
3875 int be_cmd_config_qos(struct be_adapter *adapter, u32 max_rate, u16 link_speed,
3876 		      u8 domain)
3877 {
3878 	struct be_nic_res_desc nic_desc;
3879 	u32 bw_percent;
3880 	u16 version = 0;
3881 
3882 	if (BE3_chip(adapter))
3883 		return be_cmd_set_qos(adapter, max_rate / 10, domain);
3884 
3885 	be_reset_nic_desc(&nic_desc);
3886 	nic_desc.pf_num = adapter->pf_number;
3887 	nic_desc.vf_num = domain;
3888 	nic_desc.bw_min = 0;
3889 	if (lancer_chip(adapter)) {
3890 		nic_desc.hdr.desc_type = NIC_RESOURCE_DESC_TYPE_V0;
3891 		nic_desc.hdr.desc_len = RESOURCE_DESC_SIZE_V0;
3892 		nic_desc.flags = (1 << QUN_SHIFT) | (1 << IMM_SHIFT) |
3893 					(1 << NOSV_SHIFT);
3894 		nic_desc.bw_max = cpu_to_le32(max_rate / 10);
3895 	} else {
3896 		version = 1;
3897 		nic_desc.hdr.desc_type = NIC_RESOURCE_DESC_TYPE_V1;
3898 		nic_desc.hdr.desc_len = RESOURCE_DESC_SIZE_V1;
3899 		nic_desc.flags = (1 << IMM_SHIFT) | (1 << NOSV_SHIFT);
3900 		bw_percent = max_rate ? (max_rate * 100) / link_speed : 100;
3901 		nic_desc.bw_max = cpu_to_le32(bw_percent);
3902 	}
3903 
3904 	return be_cmd_set_profile_config(adapter, &nic_desc,
3905 					 nic_desc.hdr.desc_len,
3906 					 1, version, domain);
3907 }
3908 
3909 static void be_fill_vf_res_template(struct be_adapter *adapter,
3910 				    struct be_resources pool_res,
3911 				    u16 num_vfs, u16 num_vf_qs,
3912 				    struct be_nic_res_desc *nic_vft)
3913 {
3914 	u32 vf_if_cap_flags = pool_res.vf_if_cap_flags;
3915 	struct be_resources res_mod = {0};
3916 
3917 	/* Resource with fields set to all '1's by GET_PROFILE_CONFIG cmd,
3918 	 * which are modifiable using SET_PROFILE_CONFIG cmd.
3919 	 */
3920 	be_cmd_get_profile_config(adapter, &res_mod, RESOURCE_MODIFIABLE, 0);
3921 
3922 	/* If RSS IFACE capability flags are modifiable for a VF, set the
3923 	 * capability flag as valid and set RSS and DEFQ_RSS IFACE flags if
3924 	 * more than 1 RSSQ is available for a VF.
3925 	 * Otherwise, provision only 1 queue pair for VF.
3926 	 */
3927 	if (res_mod.vf_if_cap_flags & BE_IF_FLAGS_RSS) {
3928 		nic_vft->flags |= BIT(IF_CAPS_FLAGS_VALID_SHIFT);
3929 		if (num_vf_qs > 1) {
3930 			vf_if_cap_flags |= BE_IF_FLAGS_RSS;
3931 			if (pool_res.if_cap_flags & BE_IF_FLAGS_DEFQ_RSS)
3932 				vf_if_cap_flags |= BE_IF_FLAGS_DEFQ_RSS;
3933 		} else {
3934 			vf_if_cap_flags &= ~(BE_IF_FLAGS_RSS |
3935 					     BE_IF_FLAGS_DEFQ_RSS);
3936 		}
3937 	} else {
3938 		num_vf_qs = 1;
3939 	}
3940 
3941 	if (res_mod.vf_if_cap_flags & BE_IF_FLAGS_VLAN_PROMISCUOUS) {
3942 		nic_vft->flags |= BIT(IF_CAPS_FLAGS_VALID_SHIFT);
3943 		vf_if_cap_flags &= ~BE_IF_FLAGS_VLAN_PROMISCUOUS;
3944 	}
3945 
3946 	nic_vft->cap_flags = cpu_to_le32(vf_if_cap_flags);
3947 	nic_vft->rq_count = cpu_to_le16(num_vf_qs);
3948 	nic_vft->txq_count = cpu_to_le16(num_vf_qs);
3949 	nic_vft->rssq_count = cpu_to_le16(num_vf_qs);
3950 	nic_vft->cq_count = cpu_to_le16(pool_res.max_cq_count /
3951 					(num_vfs + 1));
3952 
3953 	/* Distribute unicast MACs, VLANs, IFACE count and MCCQ count equally
3954 	 * among the PF and it's VFs, if the fields are changeable
3955 	 */
3956 	if (res_mod.max_uc_mac == FIELD_MODIFIABLE)
3957 		nic_vft->unicast_mac_count = cpu_to_le16(pool_res.max_uc_mac /
3958 							 (num_vfs + 1));
3959 
3960 	if (res_mod.max_vlans == FIELD_MODIFIABLE)
3961 		nic_vft->vlan_count = cpu_to_le16(pool_res.max_vlans /
3962 						  (num_vfs + 1));
3963 
3964 	if (res_mod.max_iface_count == FIELD_MODIFIABLE)
3965 		nic_vft->iface_count = cpu_to_le16(pool_res.max_iface_count /
3966 						   (num_vfs + 1));
3967 
3968 	if (res_mod.max_mcc_count == FIELD_MODIFIABLE)
3969 		nic_vft->mcc_count = cpu_to_le16(pool_res.max_mcc_count /
3970 						 (num_vfs + 1));
3971 }
3972 
3973 int be_cmd_set_sriov_config(struct be_adapter *adapter,
3974 			    struct be_resources pool_res, u16 num_vfs,
3975 			    u16 num_vf_qs)
3976 {
3977 	struct {
3978 		struct be_pcie_res_desc pcie;
3979 		struct be_nic_res_desc nic_vft;
3980 	} __packed desc;
3981 
3982 	/* PF PCIE descriptor */
3983 	be_reset_pcie_desc(&desc.pcie);
3984 	desc.pcie.hdr.desc_type = PCIE_RESOURCE_DESC_TYPE_V1;
3985 	desc.pcie.hdr.desc_len = RESOURCE_DESC_SIZE_V1;
3986 	desc.pcie.flags = BIT(IMM_SHIFT) | BIT(NOSV_SHIFT);
3987 	desc.pcie.pf_num = adapter->pdev->devfn;
3988 	desc.pcie.sriov_state = num_vfs ? 1 : 0;
3989 	desc.pcie.num_vfs = cpu_to_le16(num_vfs);
3990 
3991 	/* VF NIC Template descriptor */
3992 	be_reset_nic_desc(&desc.nic_vft);
3993 	desc.nic_vft.hdr.desc_type = NIC_RESOURCE_DESC_TYPE_V1;
3994 	desc.nic_vft.hdr.desc_len = RESOURCE_DESC_SIZE_V1;
3995 	desc.nic_vft.flags = BIT(VFT_SHIFT) | BIT(IMM_SHIFT) | BIT(NOSV_SHIFT);
3996 	desc.nic_vft.pf_num = adapter->pdev->devfn;
3997 	desc.nic_vft.vf_num = 0;
3998 
3999 	be_fill_vf_res_template(adapter, pool_res, num_vfs, num_vf_qs,
4000 				&desc.nic_vft);
4001 
4002 	return be_cmd_set_profile_config(adapter, &desc,
4003 					 2 * RESOURCE_DESC_SIZE_V1, 2, 1, 0);
4004 }
4005 
4006 int be_cmd_manage_iface(struct be_adapter *adapter, u32 iface, u8 op)
4007 {
4008 	struct be_mcc_wrb *wrb;
4009 	struct be_cmd_req_manage_iface_filters *req;
4010 	int status;
4011 
4012 	if (iface == 0xFFFFFFFF)
4013 		return -1;
4014 
4015 	spin_lock_bh(&adapter->mcc_lock);
4016 
4017 	wrb = wrb_from_mccq(adapter);
4018 	if (!wrb) {
4019 		status = -EBUSY;
4020 		goto err;
4021 	}
4022 	req = embedded_payload(wrb);
4023 
4024 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
4025 			       OPCODE_COMMON_MANAGE_IFACE_FILTERS, sizeof(*req),
4026 			       wrb, NULL);
4027 	req->op = op;
4028 	req->target_iface_id = cpu_to_le32(iface);
4029 
4030 	status = be_mcc_notify_wait(adapter);
4031 err:
4032 	spin_unlock_bh(&adapter->mcc_lock);
4033 	return status;
4034 }
4035 
4036 int be_cmd_set_vxlan_port(struct be_adapter *adapter, __be16 port)
4037 {
4038 	struct be_port_res_desc port_desc;
4039 
4040 	memset(&port_desc, 0, sizeof(port_desc));
4041 	port_desc.hdr.desc_type = PORT_RESOURCE_DESC_TYPE_V1;
4042 	port_desc.hdr.desc_len = RESOURCE_DESC_SIZE_V1;
4043 	port_desc.flags = (1 << IMM_SHIFT) | (1 << NOSV_SHIFT);
4044 	port_desc.link_num = adapter->hba_port_num;
4045 	if (port) {
4046 		port_desc.nv_flags = NV_TYPE_VXLAN | (1 << SOCVID_SHIFT) |
4047 					(1 << RCVID_SHIFT);
4048 		port_desc.nv_port = swab16(port);
4049 	} else {
4050 		port_desc.nv_flags = NV_TYPE_DISABLED;
4051 		port_desc.nv_port = 0;
4052 	}
4053 
4054 	return be_cmd_set_profile_config(adapter, &port_desc,
4055 					 RESOURCE_DESC_SIZE_V1, 1, 1, 0);
4056 }
4057 
4058 int be_cmd_get_if_id(struct be_adapter *adapter, struct be_vf_cfg *vf_cfg,
4059 		     int vf_num)
4060 {
4061 	struct be_mcc_wrb *wrb;
4062 	struct be_cmd_req_get_iface_list *req;
4063 	struct be_cmd_resp_get_iface_list *resp;
4064 	int status;
4065 
4066 	spin_lock_bh(&adapter->mcc_lock);
4067 
4068 	wrb = wrb_from_mccq(adapter);
4069 	if (!wrb) {
4070 		status = -EBUSY;
4071 		goto err;
4072 	}
4073 	req = embedded_payload(wrb);
4074 
4075 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
4076 			       OPCODE_COMMON_GET_IFACE_LIST, sizeof(*resp),
4077 			       wrb, NULL);
4078 	req->hdr.domain = vf_num + 1;
4079 
4080 	status = be_mcc_notify_wait(adapter);
4081 	if (!status) {
4082 		resp = (struct be_cmd_resp_get_iface_list *)req;
4083 		vf_cfg->if_handle = le32_to_cpu(resp->if_desc.if_id);
4084 	}
4085 
4086 err:
4087 	spin_unlock_bh(&adapter->mcc_lock);
4088 	return status;
4089 }
4090 
4091 static int lancer_wait_idle(struct be_adapter *adapter)
4092 {
4093 #define SLIPORT_IDLE_TIMEOUT 30
4094 	u32 reg_val;
4095 	int status = 0, i;
4096 
4097 	for (i = 0; i < SLIPORT_IDLE_TIMEOUT; i++) {
4098 		reg_val = ioread32(adapter->db + PHYSDEV_CONTROL_OFFSET);
4099 		if ((reg_val & PHYSDEV_CONTROL_INP_MASK) == 0)
4100 			break;
4101 
4102 		ssleep(1);
4103 	}
4104 
4105 	if (i == SLIPORT_IDLE_TIMEOUT)
4106 		status = -1;
4107 
4108 	return status;
4109 }
4110 
4111 int lancer_physdev_ctrl(struct be_adapter *adapter, u32 mask)
4112 {
4113 	int status = 0;
4114 
4115 	status = lancer_wait_idle(adapter);
4116 	if (status)
4117 		return status;
4118 
4119 	iowrite32(mask, adapter->db + PHYSDEV_CONTROL_OFFSET);
4120 
4121 	return status;
4122 }
4123 
4124 /* Routine to check whether dump image is present or not */
4125 bool dump_present(struct be_adapter *adapter)
4126 {
4127 	u32 sliport_status = 0;
4128 
4129 	sliport_status = ioread32(adapter->db + SLIPORT_STATUS_OFFSET);
4130 	return !!(sliport_status & SLIPORT_STATUS_DIP_MASK);
4131 }
4132 
4133 int lancer_initiate_dump(struct be_adapter *adapter)
4134 {
4135 	struct device *dev = &adapter->pdev->dev;
4136 	int status;
4137 
4138 	if (dump_present(adapter)) {
4139 		dev_info(dev, "Previous dump not cleared, not forcing dump\n");
4140 		return -EEXIST;
4141 	}
4142 
4143 	/* give firmware reset and diagnostic dump */
4144 	status = lancer_physdev_ctrl(adapter, PHYSDEV_CONTROL_FW_RESET_MASK |
4145 				     PHYSDEV_CONTROL_DD_MASK);
4146 	if (status < 0) {
4147 		dev_err(dev, "FW reset failed\n");
4148 		return status;
4149 	}
4150 
4151 	status = lancer_wait_idle(adapter);
4152 	if (status)
4153 		return status;
4154 
4155 	if (!dump_present(adapter)) {
4156 		dev_err(dev, "FW dump not generated\n");
4157 		return -EIO;
4158 	}
4159 
4160 	return 0;
4161 }
4162 
4163 int lancer_delete_dump(struct be_adapter *adapter)
4164 {
4165 	int status;
4166 
4167 	status = lancer_cmd_delete_object(adapter, LANCER_FW_DUMP_FILE);
4168 	return be_cmd_status(status);
4169 }
4170 
4171 /* Uses sync mcc */
4172 int be_cmd_enable_vf(struct be_adapter *adapter, u8 domain)
4173 {
4174 	struct be_mcc_wrb *wrb;
4175 	struct be_cmd_enable_disable_vf *req;
4176 	int status;
4177 
4178 	if (BEx_chip(adapter))
4179 		return 0;
4180 
4181 	spin_lock_bh(&adapter->mcc_lock);
4182 
4183 	wrb = wrb_from_mccq(adapter);
4184 	if (!wrb) {
4185 		status = -EBUSY;
4186 		goto err;
4187 	}
4188 
4189 	req = embedded_payload(wrb);
4190 
4191 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
4192 			       OPCODE_COMMON_ENABLE_DISABLE_VF, sizeof(*req),
4193 			       wrb, NULL);
4194 
4195 	req->hdr.domain = domain;
4196 	req->enable = 1;
4197 	status = be_mcc_notify_wait(adapter);
4198 err:
4199 	spin_unlock_bh(&adapter->mcc_lock);
4200 	return status;
4201 }
4202 
4203 int be_cmd_intr_set(struct be_adapter *adapter, bool intr_enable)
4204 {
4205 	struct be_mcc_wrb *wrb;
4206 	struct be_cmd_req_intr_set *req;
4207 	int status;
4208 
4209 	if (mutex_lock_interruptible(&adapter->mbox_lock))
4210 		return -1;
4211 
4212 	wrb = wrb_from_mbox(adapter);
4213 
4214 	req = embedded_payload(wrb);
4215 
4216 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
4217 			       OPCODE_COMMON_SET_INTERRUPT_ENABLE, sizeof(*req),
4218 			       wrb, NULL);
4219 
4220 	req->intr_enabled = intr_enable;
4221 
4222 	status = be_mbox_notify_wait(adapter);
4223 
4224 	mutex_unlock(&adapter->mbox_lock);
4225 	return status;
4226 }
4227 
4228 /* Uses MBOX */
4229 int be_cmd_get_active_profile(struct be_adapter *adapter, u16 *profile_id)
4230 {
4231 	struct be_cmd_req_get_active_profile *req;
4232 	struct be_mcc_wrb *wrb;
4233 	int status;
4234 
4235 	if (mutex_lock_interruptible(&adapter->mbox_lock))
4236 		return -1;
4237 
4238 	wrb = wrb_from_mbox(adapter);
4239 	if (!wrb) {
4240 		status = -EBUSY;
4241 		goto err;
4242 	}
4243 
4244 	req = embedded_payload(wrb);
4245 
4246 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
4247 			       OPCODE_COMMON_GET_ACTIVE_PROFILE, sizeof(*req),
4248 			       wrb, NULL);
4249 
4250 	status = be_mbox_notify_wait(adapter);
4251 	if (!status) {
4252 		struct be_cmd_resp_get_active_profile *resp =
4253 							embedded_payload(wrb);
4254 
4255 		*profile_id = le16_to_cpu(resp->active_profile_id);
4256 	}
4257 
4258 err:
4259 	mutex_unlock(&adapter->mbox_lock);
4260 	return status;
4261 }
4262 
4263 int be_cmd_set_logical_link_config(struct be_adapter *adapter,
4264 				   int link_state, u8 domain)
4265 {
4266 	struct be_mcc_wrb *wrb;
4267 	struct be_cmd_req_set_ll_link *req;
4268 	int status;
4269 
4270 	if (BEx_chip(adapter) || lancer_chip(adapter))
4271 		return -EOPNOTSUPP;
4272 
4273 	spin_lock_bh(&adapter->mcc_lock);
4274 
4275 	wrb = wrb_from_mccq(adapter);
4276 	if (!wrb) {
4277 		status = -EBUSY;
4278 		goto err;
4279 	}
4280 
4281 	req = embedded_payload(wrb);
4282 
4283 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
4284 			       OPCODE_COMMON_SET_LOGICAL_LINK_CONFIG,
4285 			       sizeof(*req), wrb, NULL);
4286 
4287 	req->hdr.version = 1;
4288 	req->hdr.domain = domain;
4289 
4290 	if (link_state == IFLA_VF_LINK_STATE_ENABLE)
4291 		req->link_config |= 1;
4292 
4293 	if (link_state == IFLA_VF_LINK_STATE_AUTO)
4294 		req->link_config |= 1 << PLINK_TRACK_SHIFT;
4295 
4296 	status = be_mcc_notify_wait(adapter);
4297 err:
4298 	spin_unlock_bh(&adapter->mcc_lock);
4299 	return status;
4300 }
4301 
4302 int be_roce_mcc_cmd(void *netdev_handle, void *wrb_payload,
4303 		    int wrb_payload_size, u16 *cmd_status, u16 *ext_status)
4304 {
4305 	struct be_adapter *adapter = netdev_priv(netdev_handle);
4306 	struct be_mcc_wrb *wrb;
4307 	struct be_cmd_req_hdr *hdr = (struct be_cmd_req_hdr *)wrb_payload;
4308 	struct be_cmd_req_hdr *req;
4309 	struct be_cmd_resp_hdr *resp;
4310 	int status;
4311 
4312 	spin_lock_bh(&adapter->mcc_lock);
4313 
4314 	wrb = wrb_from_mccq(adapter);
4315 	if (!wrb) {
4316 		status = -EBUSY;
4317 		goto err;
4318 	}
4319 	req = embedded_payload(wrb);
4320 	resp = embedded_payload(wrb);
4321 
4322 	be_wrb_cmd_hdr_prepare(req, hdr->subsystem,
4323 			       hdr->opcode, wrb_payload_size, wrb, NULL);
4324 	memcpy(req, wrb_payload, wrb_payload_size);
4325 	be_dws_cpu_to_le(req, wrb_payload_size);
4326 
4327 	status = be_mcc_notify_wait(adapter);
4328 	if (cmd_status)
4329 		*cmd_status = (status & 0xffff);
4330 	if (ext_status)
4331 		*ext_status = 0;
4332 	memcpy(wrb_payload, resp, sizeof(*resp) + resp->response_length);
4333 	be_dws_le_to_cpu(wrb_payload, sizeof(*resp) + resp->response_length);
4334 err:
4335 	spin_unlock_bh(&adapter->mcc_lock);
4336 	return status;
4337 }
4338 EXPORT_SYMBOL(be_roce_mcc_cmd);
4339