xref: /linux/drivers/net/ethernet/emulex/benet/be_cmds.c (revision 6fdcba32711044c35c0e1b094cbd8f3f0b4472c9)
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * Copyright (C) 2005 - 2016 Broadcom
4  * All rights reserved.
5  *
6  * Contact Information:
7  * linux-drivers@emulex.com
8  *
9  * Emulex
10  * 3333 Susan Street
11  * Costa Mesa, CA 92626
12  */
13 
14 #include <linux/module.h>
15 #include "be.h"
16 #include "be_cmds.h"
17 
18 const char * const be_misconfig_evt_port_state[] = {
19 	"Physical Link is functional",
20 	"Optics faulted/incorrectly installed/not installed - Reseat optics. If issue not resolved, replace.",
21 	"Optics of two types installed – Remove one optic or install matching pair of optics.",
22 	"Incompatible optics – Replace with compatible optics for card to function.",
23 	"Unqualified optics – Replace with Avago optics for Warranty and Technical Support.",
24 	"Uncertified optics – Replace with Avago-certified optics to enable link operation."
25 };
26 
27 static char *be_port_misconfig_evt_severity[] = {
28 	"KERN_WARN",
29 	"KERN_INFO",
30 	"KERN_ERR",
31 	"KERN_WARN"
32 };
33 
34 static char *phy_state_oper_desc[] = {
35 	"Link is non-operational",
36 	"Link is operational",
37 	""
38 };
39 
40 static struct be_cmd_priv_map cmd_priv_map[] = {
41 	{
42 		OPCODE_ETH_ACPI_WOL_MAGIC_CONFIG,
43 		CMD_SUBSYSTEM_ETH,
44 		BE_PRIV_LNKMGMT | BE_PRIV_VHADM |
45 		BE_PRIV_DEVCFG | BE_PRIV_DEVSEC
46 	},
47 	{
48 		OPCODE_COMMON_GET_FLOW_CONTROL,
49 		CMD_SUBSYSTEM_COMMON,
50 		BE_PRIV_LNKQUERY | BE_PRIV_VHADM |
51 		BE_PRIV_DEVCFG | BE_PRIV_DEVSEC
52 	},
53 	{
54 		OPCODE_COMMON_SET_FLOW_CONTROL,
55 		CMD_SUBSYSTEM_COMMON,
56 		BE_PRIV_LNKMGMT | BE_PRIV_VHADM |
57 		BE_PRIV_DEVCFG | BE_PRIV_DEVSEC
58 	},
59 	{
60 		OPCODE_ETH_GET_PPORT_STATS,
61 		CMD_SUBSYSTEM_ETH,
62 		BE_PRIV_LNKMGMT | BE_PRIV_VHADM |
63 		BE_PRIV_DEVCFG | BE_PRIV_DEVSEC
64 	},
65 	{
66 		OPCODE_COMMON_GET_PHY_DETAILS,
67 		CMD_SUBSYSTEM_COMMON,
68 		BE_PRIV_LNKMGMT | BE_PRIV_VHADM |
69 		BE_PRIV_DEVCFG | BE_PRIV_DEVSEC
70 	},
71 	{
72 		OPCODE_LOWLEVEL_HOST_DDR_DMA,
73 		CMD_SUBSYSTEM_LOWLEVEL,
74 		BE_PRIV_DEVCFG | BE_PRIV_DEVSEC
75 	},
76 	{
77 		OPCODE_LOWLEVEL_LOOPBACK_TEST,
78 		CMD_SUBSYSTEM_LOWLEVEL,
79 		BE_PRIV_DEVCFG | BE_PRIV_DEVSEC
80 	},
81 	{
82 		OPCODE_LOWLEVEL_SET_LOOPBACK_MODE,
83 		CMD_SUBSYSTEM_LOWLEVEL,
84 		BE_PRIV_DEVCFG | BE_PRIV_DEVSEC
85 	},
86 	{
87 		OPCODE_COMMON_SET_HSW_CONFIG,
88 		CMD_SUBSYSTEM_COMMON,
89 		BE_PRIV_DEVCFG | BE_PRIV_VHADM |
90 		BE_PRIV_DEVSEC
91 	},
92 	{
93 		OPCODE_COMMON_GET_EXT_FAT_CAPABILITIES,
94 		CMD_SUBSYSTEM_COMMON,
95 		BE_PRIV_DEVCFG
96 	}
97 };
98 
99 static bool be_cmd_allowed(struct be_adapter *adapter, u8 opcode, u8 subsystem)
100 {
101 	int i;
102 	int num_entries = ARRAY_SIZE(cmd_priv_map);
103 	u32 cmd_privileges = adapter->cmd_privileges;
104 
105 	for (i = 0; i < num_entries; i++)
106 		if (opcode == cmd_priv_map[i].opcode &&
107 		    subsystem == cmd_priv_map[i].subsystem)
108 			if (!(cmd_privileges & cmd_priv_map[i].priv_mask))
109 				return false;
110 
111 	return true;
112 }
113 
114 static inline void *embedded_payload(struct be_mcc_wrb *wrb)
115 {
116 	return wrb->payload.embedded_payload;
117 }
118 
119 static int be_mcc_notify(struct be_adapter *adapter)
120 {
121 	struct be_queue_info *mccq = &adapter->mcc_obj.q;
122 	u32 val = 0;
123 
124 	if (be_check_error(adapter, BE_ERROR_ANY))
125 		return -EIO;
126 
127 	val |= mccq->id & DB_MCCQ_RING_ID_MASK;
128 	val |= 1 << DB_MCCQ_NUM_POSTED_SHIFT;
129 
130 	wmb();
131 	iowrite32(val, adapter->db + DB_MCCQ_OFFSET);
132 
133 	return 0;
134 }
135 
136 /* To check if valid bit is set, check the entire word as we don't know
137  * the endianness of the data (old entry is host endian while a new entry is
138  * little endian) */
139 static inline bool be_mcc_compl_is_new(struct be_mcc_compl *compl)
140 {
141 	u32 flags;
142 
143 	if (compl->flags != 0) {
144 		flags = le32_to_cpu(compl->flags);
145 		if (flags & CQE_FLAGS_VALID_MASK) {
146 			compl->flags = flags;
147 			return true;
148 		}
149 	}
150 	return false;
151 }
152 
153 /* Need to reset the entire word that houses the valid bit */
154 static inline void be_mcc_compl_use(struct be_mcc_compl *compl)
155 {
156 	compl->flags = 0;
157 }
158 
159 static struct be_cmd_resp_hdr *be_decode_resp_hdr(u32 tag0, u32 tag1)
160 {
161 	unsigned long addr;
162 
163 	addr = tag1;
164 	addr = ((addr << 16) << 16) | tag0;
165 	return (void *)addr;
166 }
167 
168 static bool be_skip_err_log(u8 opcode, u16 base_status, u16 addl_status)
169 {
170 	if (base_status == MCC_STATUS_NOT_SUPPORTED ||
171 	    base_status == MCC_STATUS_ILLEGAL_REQUEST ||
172 	    addl_status == MCC_ADDL_STATUS_TOO_MANY_INTERFACES ||
173 	    addl_status == MCC_ADDL_STATUS_INSUFFICIENT_VLANS ||
174 	    (opcode == OPCODE_COMMON_WRITE_FLASHROM &&
175 	    (base_status == MCC_STATUS_ILLEGAL_FIELD ||
176 	     addl_status == MCC_ADDL_STATUS_FLASH_IMAGE_CRC_MISMATCH)))
177 		return true;
178 	else
179 		return false;
180 }
181 
182 /* Place holder for all the async MCC cmds wherein the caller is not in a busy
183  * loop (has not issued be_mcc_notify_wait())
184  */
185 static void be_async_cmd_process(struct be_adapter *adapter,
186 				 struct be_mcc_compl *compl,
187 				 struct be_cmd_resp_hdr *resp_hdr)
188 {
189 	enum mcc_base_status base_status = base_status(compl->status);
190 	u8 opcode = 0, subsystem = 0;
191 
192 	if (resp_hdr) {
193 		opcode = resp_hdr->opcode;
194 		subsystem = resp_hdr->subsystem;
195 	}
196 
197 	if (opcode == OPCODE_LOWLEVEL_LOOPBACK_TEST &&
198 	    subsystem == CMD_SUBSYSTEM_LOWLEVEL) {
199 		complete(&adapter->et_cmd_compl);
200 		return;
201 	}
202 
203 	if (opcode == OPCODE_LOWLEVEL_SET_LOOPBACK_MODE &&
204 	    subsystem == CMD_SUBSYSTEM_LOWLEVEL) {
205 		complete(&adapter->et_cmd_compl);
206 		return;
207 	}
208 
209 	if ((opcode == OPCODE_COMMON_WRITE_FLASHROM ||
210 	     opcode == OPCODE_COMMON_WRITE_OBJECT) &&
211 	    subsystem == CMD_SUBSYSTEM_COMMON) {
212 		adapter->flash_status = compl->status;
213 		complete(&adapter->et_cmd_compl);
214 		return;
215 	}
216 
217 	if ((opcode == OPCODE_ETH_GET_STATISTICS ||
218 	     opcode == OPCODE_ETH_GET_PPORT_STATS) &&
219 	    subsystem == CMD_SUBSYSTEM_ETH &&
220 	    base_status == MCC_STATUS_SUCCESS) {
221 		be_parse_stats(adapter);
222 		adapter->stats_cmd_sent = false;
223 		return;
224 	}
225 
226 	if (opcode == OPCODE_COMMON_GET_CNTL_ADDITIONAL_ATTRIBUTES &&
227 	    subsystem == CMD_SUBSYSTEM_COMMON) {
228 		if (base_status == MCC_STATUS_SUCCESS) {
229 			struct be_cmd_resp_get_cntl_addnl_attribs *resp =
230 							(void *)resp_hdr;
231 			adapter->hwmon_info.be_on_die_temp =
232 						resp->on_die_temperature;
233 		} else {
234 			adapter->be_get_temp_freq = 0;
235 			adapter->hwmon_info.be_on_die_temp =
236 						BE_INVALID_DIE_TEMP;
237 		}
238 		return;
239 	}
240 }
241 
242 static int be_mcc_compl_process(struct be_adapter *adapter,
243 				struct be_mcc_compl *compl)
244 {
245 	enum mcc_base_status base_status;
246 	enum mcc_addl_status addl_status;
247 	struct be_cmd_resp_hdr *resp_hdr;
248 	u8 opcode = 0, subsystem = 0;
249 
250 	/* Just swap the status to host endian; mcc tag is opaquely copied
251 	 * from mcc_wrb */
252 	be_dws_le_to_cpu(compl, 4);
253 
254 	base_status = base_status(compl->status);
255 	addl_status = addl_status(compl->status);
256 
257 	resp_hdr = be_decode_resp_hdr(compl->tag0, compl->tag1);
258 	if (resp_hdr) {
259 		opcode = resp_hdr->opcode;
260 		subsystem = resp_hdr->subsystem;
261 	}
262 
263 	be_async_cmd_process(adapter, compl, resp_hdr);
264 
265 	if (base_status != MCC_STATUS_SUCCESS &&
266 	    !be_skip_err_log(opcode, base_status, addl_status)) {
267 		if (base_status == MCC_STATUS_UNAUTHORIZED_REQUEST ||
268 		    addl_status == MCC_ADDL_STATUS_INSUFFICIENT_PRIVILEGES) {
269 			dev_warn(&adapter->pdev->dev,
270 				 "VF is not privileged to issue opcode %d-%d\n",
271 				 opcode, subsystem);
272 		} else {
273 			dev_err(&adapter->pdev->dev,
274 				"opcode %d-%d failed:status %d-%d\n",
275 				opcode, subsystem, base_status, addl_status);
276 		}
277 	}
278 	return compl->status;
279 }
280 
281 /* Link state evt is a string of bytes; no need for endian swapping */
282 static void be_async_link_state_process(struct be_adapter *adapter,
283 					struct be_mcc_compl *compl)
284 {
285 	struct be_async_event_link_state *evt =
286 			(struct be_async_event_link_state *)compl;
287 
288 	/* When link status changes, link speed must be re-queried from FW */
289 	adapter->phy.link_speed = -1;
290 
291 	/* On BEx the FW does not send a separate link status
292 	 * notification for physical and logical link.
293 	 * On other chips just process the logical link
294 	 * status notification
295 	 */
296 	if (!BEx_chip(adapter) &&
297 	    !(evt->port_link_status & LOGICAL_LINK_STATUS_MASK))
298 		return;
299 
300 	/* For the initial link status do not rely on the ASYNC event as
301 	 * it may not be received in some cases.
302 	 */
303 	if (adapter->flags & BE_FLAGS_LINK_STATUS_INIT)
304 		be_link_status_update(adapter,
305 				      evt->port_link_status & LINK_STATUS_MASK);
306 }
307 
308 static void be_async_port_misconfig_event_process(struct be_adapter *adapter,
309 						  struct be_mcc_compl *compl)
310 {
311 	struct be_async_event_misconfig_port *evt =
312 			(struct be_async_event_misconfig_port *)compl;
313 	u32 sfp_misconfig_evt_word1 = le32_to_cpu(evt->event_data_word1);
314 	u32 sfp_misconfig_evt_word2 = le32_to_cpu(evt->event_data_word2);
315 	u8 phy_oper_state = PHY_STATE_OPER_MSG_NONE;
316 	struct device *dev = &adapter->pdev->dev;
317 	u8 msg_severity = DEFAULT_MSG_SEVERITY;
318 	u8 phy_state_info;
319 	u8 new_phy_state;
320 
321 	new_phy_state =
322 		(sfp_misconfig_evt_word1 >> (adapter->hba_port_num * 8)) & 0xff;
323 
324 	if (new_phy_state == adapter->phy_state)
325 		return;
326 
327 	adapter->phy_state = new_phy_state;
328 
329 	/* for older fw that doesn't populate link effect data */
330 	if (!sfp_misconfig_evt_word2)
331 		goto log_message;
332 
333 	phy_state_info =
334 		(sfp_misconfig_evt_word2 >> (adapter->hba_port_num * 8)) & 0xff;
335 
336 	if (phy_state_info & PHY_STATE_INFO_VALID) {
337 		msg_severity = (phy_state_info & PHY_STATE_MSG_SEVERITY) >> 1;
338 
339 		if (be_phy_unqualified(new_phy_state))
340 			phy_oper_state = (phy_state_info & PHY_STATE_OPER);
341 	}
342 
343 log_message:
344 	/* Log an error message that would allow a user to determine
345 	 * whether the SFPs have an issue
346 	 */
347 	if (be_phy_state_unknown(new_phy_state))
348 		dev_printk(be_port_misconfig_evt_severity[msg_severity], dev,
349 			   "Port %c: Unrecognized Optics state: 0x%x. %s",
350 			   adapter->port_name,
351 			   new_phy_state,
352 			   phy_state_oper_desc[phy_oper_state]);
353 	else
354 		dev_printk(be_port_misconfig_evt_severity[msg_severity], dev,
355 			   "Port %c: %s %s",
356 			   adapter->port_name,
357 			   be_misconfig_evt_port_state[new_phy_state],
358 			   phy_state_oper_desc[phy_oper_state]);
359 
360 	/* Log Vendor name and part no. if a misconfigured SFP is detected */
361 	if (be_phy_misconfigured(new_phy_state))
362 		adapter->flags |= BE_FLAGS_PHY_MISCONFIGURED;
363 }
364 
365 /* Grp5 CoS Priority evt */
366 static void be_async_grp5_cos_priority_process(struct be_adapter *adapter,
367 					       struct be_mcc_compl *compl)
368 {
369 	struct be_async_event_grp5_cos_priority *evt =
370 			(struct be_async_event_grp5_cos_priority *)compl;
371 
372 	if (evt->valid) {
373 		adapter->vlan_prio_bmap = evt->available_priority_bmap;
374 		adapter->recommended_prio_bits =
375 			evt->reco_default_priority << VLAN_PRIO_SHIFT;
376 	}
377 }
378 
379 /* Grp5 QOS Speed evt: qos_link_speed is in units of 10 Mbps */
380 static void be_async_grp5_qos_speed_process(struct be_adapter *adapter,
381 					    struct be_mcc_compl *compl)
382 {
383 	struct be_async_event_grp5_qos_link_speed *evt =
384 			(struct be_async_event_grp5_qos_link_speed *)compl;
385 
386 	if (adapter->phy.link_speed >= 0 &&
387 	    evt->physical_port == adapter->port_num)
388 		adapter->phy.link_speed = le16_to_cpu(evt->qos_link_speed) * 10;
389 }
390 
391 /*Grp5 PVID evt*/
392 static void be_async_grp5_pvid_state_process(struct be_adapter *adapter,
393 					     struct be_mcc_compl *compl)
394 {
395 	struct be_async_event_grp5_pvid_state *evt =
396 			(struct be_async_event_grp5_pvid_state *)compl;
397 
398 	if (evt->enabled) {
399 		adapter->pvid = le16_to_cpu(evt->tag) & VLAN_VID_MASK;
400 		dev_info(&adapter->pdev->dev, "LPVID: %d\n", adapter->pvid);
401 	} else {
402 		adapter->pvid = 0;
403 	}
404 }
405 
406 #define MGMT_ENABLE_MASK	0x4
407 static void be_async_grp5_fw_control_process(struct be_adapter *adapter,
408 					     struct be_mcc_compl *compl)
409 {
410 	struct be_async_fw_control *evt = (struct be_async_fw_control *)compl;
411 	u32 evt_dw1 = le32_to_cpu(evt->event_data_word1);
412 
413 	if (evt_dw1 & MGMT_ENABLE_MASK) {
414 		adapter->flags |= BE_FLAGS_OS2BMC;
415 		adapter->bmc_filt_mask = le32_to_cpu(evt->event_data_word2);
416 	} else {
417 		adapter->flags &= ~BE_FLAGS_OS2BMC;
418 	}
419 }
420 
421 static void be_async_grp5_evt_process(struct be_adapter *adapter,
422 				      struct be_mcc_compl *compl)
423 {
424 	u8 event_type = (compl->flags >> ASYNC_EVENT_TYPE_SHIFT) &
425 				ASYNC_EVENT_TYPE_MASK;
426 
427 	switch (event_type) {
428 	case ASYNC_EVENT_COS_PRIORITY:
429 		be_async_grp5_cos_priority_process(adapter, compl);
430 		break;
431 	case ASYNC_EVENT_QOS_SPEED:
432 		be_async_grp5_qos_speed_process(adapter, compl);
433 		break;
434 	case ASYNC_EVENT_PVID_STATE:
435 		be_async_grp5_pvid_state_process(adapter, compl);
436 		break;
437 	/* Async event to disable/enable os2bmc and/or mac-learning */
438 	case ASYNC_EVENT_FW_CONTROL:
439 		be_async_grp5_fw_control_process(adapter, compl);
440 		break;
441 	default:
442 		break;
443 	}
444 }
445 
446 static void be_async_dbg_evt_process(struct be_adapter *adapter,
447 				     struct be_mcc_compl *cmp)
448 {
449 	u8 event_type = 0;
450 	struct be_async_event_qnq *evt = (struct be_async_event_qnq *)cmp;
451 
452 	event_type = (cmp->flags >> ASYNC_EVENT_TYPE_SHIFT) &
453 			ASYNC_EVENT_TYPE_MASK;
454 
455 	switch (event_type) {
456 	case ASYNC_DEBUG_EVENT_TYPE_QNQ:
457 		if (evt->valid)
458 			adapter->qnq_vid = le16_to_cpu(evt->vlan_tag);
459 		adapter->flags |= BE_FLAGS_QNQ_ASYNC_EVT_RCVD;
460 	break;
461 	default:
462 		dev_warn(&adapter->pdev->dev, "Unknown debug event 0x%x!\n",
463 			 event_type);
464 	break;
465 	}
466 }
467 
468 static void be_async_sliport_evt_process(struct be_adapter *adapter,
469 					 struct be_mcc_compl *cmp)
470 {
471 	u8 event_type = (cmp->flags >> ASYNC_EVENT_TYPE_SHIFT) &
472 			ASYNC_EVENT_TYPE_MASK;
473 
474 	if (event_type == ASYNC_EVENT_PORT_MISCONFIG)
475 		be_async_port_misconfig_event_process(adapter, cmp);
476 }
477 
478 static inline bool is_link_state_evt(u32 flags)
479 {
480 	return ((flags >> ASYNC_EVENT_CODE_SHIFT) & ASYNC_EVENT_CODE_MASK) ==
481 			ASYNC_EVENT_CODE_LINK_STATE;
482 }
483 
484 static inline bool is_grp5_evt(u32 flags)
485 {
486 	return ((flags >> ASYNC_EVENT_CODE_SHIFT) & ASYNC_EVENT_CODE_MASK) ==
487 			ASYNC_EVENT_CODE_GRP_5;
488 }
489 
490 static inline bool is_dbg_evt(u32 flags)
491 {
492 	return ((flags >> ASYNC_EVENT_CODE_SHIFT) & ASYNC_EVENT_CODE_MASK) ==
493 			ASYNC_EVENT_CODE_QNQ;
494 }
495 
496 static inline bool is_sliport_evt(u32 flags)
497 {
498 	return ((flags >> ASYNC_EVENT_CODE_SHIFT) & ASYNC_EVENT_CODE_MASK) ==
499 		ASYNC_EVENT_CODE_SLIPORT;
500 }
501 
502 static void be_mcc_event_process(struct be_adapter *adapter,
503 				 struct be_mcc_compl *compl)
504 {
505 	if (is_link_state_evt(compl->flags))
506 		be_async_link_state_process(adapter, compl);
507 	else if (is_grp5_evt(compl->flags))
508 		be_async_grp5_evt_process(adapter, compl);
509 	else if (is_dbg_evt(compl->flags))
510 		be_async_dbg_evt_process(adapter, compl);
511 	else if (is_sliport_evt(compl->flags))
512 		be_async_sliport_evt_process(adapter, compl);
513 }
514 
515 static struct be_mcc_compl *be_mcc_compl_get(struct be_adapter *adapter)
516 {
517 	struct be_queue_info *mcc_cq = &adapter->mcc_obj.cq;
518 	struct be_mcc_compl *compl = queue_tail_node(mcc_cq);
519 
520 	if (be_mcc_compl_is_new(compl)) {
521 		queue_tail_inc(mcc_cq);
522 		return compl;
523 	}
524 	return NULL;
525 }
526 
527 void be_async_mcc_enable(struct be_adapter *adapter)
528 {
529 	spin_lock_bh(&adapter->mcc_cq_lock);
530 
531 	be_cq_notify(adapter, adapter->mcc_obj.cq.id, true, 0);
532 	adapter->mcc_obj.rearm_cq = true;
533 
534 	spin_unlock_bh(&adapter->mcc_cq_lock);
535 }
536 
537 void be_async_mcc_disable(struct be_adapter *adapter)
538 {
539 	spin_lock_bh(&adapter->mcc_cq_lock);
540 
541 	adapter->mcc_obj.rearm_cq = false;
542 	be_cq_notify(adapter, adapter->mcc_obj.cq.id, false, 0);
543 
544 	spin_unlock_bh(&adapter->mcc_cq_lock);
545 }
546 
547 int be_process_mcc(struct be_adapter *adapter)
548 {
549 	struct be_mcc_compl *compl;
550 	int num = 0, status = 0;
551 	struct be_mcc_obj *mcc_obj = &adapter->mcc_obj;
552 
553 	spin_lock_bh(&adapter->mcc_cq_lock);
554 
555 	while ((compl = be_mcc_compl_get(adapter))) {
556 		if (compl->flags & CQE_FLAGS_ASYNC_MASK) {
557 			be_mcc_event_process(adapter, compl);
558 		} else if (compl->flags & CQE_FLAGS_COMPLETED_MASK) {
559 			status = be_mcc_compl_process(adapter, compl);
560 			atomic_dec(&mcc_obj->q.used);
561 		}
562 		be_mcc_compl_use(compl);
563 		num++;
564 	}
565 
566 	if (num)
567 		be_cq_notify(adapter, mcc_obj->cq.id, mcc_obj->rearm_cq, num);
568 
569 	spin_unlock_bh(&adapter->mcc_cq_lock);
570 	return status;
571 }
572 
573 /* Wait till no more pending mcc requests are present */
574 static int be_mcc_wait_compl(struct be_adapter *adapter)
575 {
576 #define mcc_timeout		12000 /* 12s timeout */
577 	int i, status = 0;
578 	struct be_mcc_obj *mcc_obj = &adapter->mcc_obj;
579 
580 	for (i = 0; i < mcc_timeout; i++) {
581 		if (be_check_error(adapter, BE_ERROR_ANY))
582 			return -EIO;
583 
584 		status = be_process_mcc(adapter);
585 
586 		if (atomic_read(&mcc_obj->q.used) == 0)
587 			break;
588 		usleep_range(500, 1000);
589 	}
590 	if (i == mcc_timeout) {
591 		dev_err(&adapter->pdev->dev, "FW not responding\n");
592 		be_set_error(adapter, BE_ERROR_FW);
593 		return -EIO;
594 	}
595 	return status;
596 }
597 
598 /* Notify MCC requests and wait for completion */
599 static int be_mcc_notify_wait(struct be_adapter *adapter)
600 {
601 	int status;
602 	struct be_mcc_wrb *wrb;
603 	struct be_mcc_obj *mcc_obj = &adapter->mcc_obj;
604 	u32 index = mcc_obj->q.head;
605 	struct be_cmd_resp_hdr *resp;
606 
607 	index_dec(&index, mcc_obj->q.len);
608 	wrb = queue_index_node(&mcc_obj->q, index);
609 
610 	resp = be_decode_resp_hdr(wrb->tag0, wrb->tag1);
611 
612 	status = be_mcc_notify(adapter);
613 	if (status)
614 		goto out;
615 
616 	status = be_mcc_wait_compl(adapter);
617 	if (status == -EIO)
618 		goto out;
619 
620 	status = (resp->base_status |
621 		  ((resp->addl_status & CQE_ADDL_STATUS_MASK) <<
622 		   CQE_ADDL_STATUS_SHIFT));
623 out:
624 	return status;
625 }
626 
627 static int be_mbox_db_ready_wait(struct be_adapter *adapter, void __iomem *db)
628 {
629 	int msecs = 0;
630 	u32 ready;
631 
632 	do {
633 		if (be_check_error(adapter, BE_ERROR_ANY))
634 			return -EIO;
635 
636 		ready = ioread32(db);
637 		if (ready == 0xffffffff)
638 			return -1;
639 
640 		ready &= MPU_MAILBOX_DB_RDY_MASK;
641 		if (ready)
642 			break;
643 
644 		if (msecs > 4000) {
645 			dev_err(&adapter->pdev->dev, "FW not responding\n");
646 			be_set_error(adapter, BE_ERROR_FW);
647 			be_detect_error(adapter);
648 			return -1;
649 		}
650 
651 		msleep(1);
652 		msecs++;
653 	} while (true);
654 
655 	return 0;
656 }
657 
658 /*
659  * Insert the mailbox address into the doorbell in two steps
660  * Polls on the mbox doorbell till a command completion (or a timeout) occurs
661  */
662 static int be_mbox_notify_wait(struct be_adapter *adapter)
663 {
664 	int status;
665 	u32 val = 0;
666 	void __iomem *db = adapter->db + MPU_MAILBOX_DB_OFFSET;
667 	struct be_dma_mem *mbox_mem = &adapter->mbox_mem;
668 	struct be_mcc_mailbox *mbox = mbox_mem->va;
669 	struct be_mcc_compl *compl = &mbox->compl;
670 
671 	/* wait for ready to be set */
672 	status = be_mbox_db_ready_wait(adapter, db);
673 	if (status != 0)
674 		return status;
675 
676 	val |= MPU_MAILBOX_DB_HI_MASK;
677 	/* at bits 2 - 31 place mbox dma addr msb bits 34 - 63 */
678 	val |= (upper_32_bits(mbox_mem->dma) >> 2) << 2;
679 	iowrite32(val, db);
680 
681 	/* wait for ready to be set */
682 	status = be_mbox_db_ready_wait(adapter, db);
683 	if (status != 0)
684 		return status;
685 
686 	val = 0;
687 	/* at bits 2 - 31 place mbox dma addr lsb bits 4 - 33 */
688 	val |= (u32)(mbox_mem->dma >> 4) << 2;
689 	iowrite32(val, db);
690 
691 	status = be_mbox_db_ready_wait(adapter, db);
692 	if (status != 0)
693 		return status;
694 
695 	/* A cq entry has been made now */
696 	if (be_mcc_compl_is_new(compl)) {
697 		status = be_mcc_compl_process(adapter, &mbox->compl);
698 		be_mcc_compl_use(compl);
699 		if (status)
700 			return status;
701 	} else {
702 		dev_err(&adapter->pdev->dev, "invalid mailbox completion\n");
703 		return -1;
704 	}
705 	return 0;
706 }
707 
708 u16 be_POST_stage_get(struct be_adapter *adapter)
709 {
710 	u32 sem;
711 
712 	if (BEx_chip(adapter))
713 		sem  = ioread32(adapter->csr + SLIPORT_SEMAPHORE_OFFSET_BEx);
714 	else
715 		pci_read_config_dword(adapter->pdev,
716 				      SLIPORT_SEMAPHORE_OFFSET_SH, &sem);
717 
718 	return sem & POST_STAGE_MASK;
719 }
720 
721 static int lancer_wait_ready(struct be_adapter *adapter)
722 {
723 #define SLIPORT_READY_TIMEOUT 30
724 	u32 sliport_status;
725 	int i;
726 
727 	for (i = 0; i < SLIPORT_READY_TIMEOUT; i++) {
728 		sliport_status = ioread32(adapter->db + SLIPORT_STATUS_OFFSET);
729 		if (sliport_status & SLIPORT_STATUS_RDY_MASK)
730 			return 0;
731 
732 		if (sliport_status & SLIPORT_STATUS_ERR_MASK &&
733 		    !(sliport_status & SLIPORT_STATUS_RN_MASK))
734 			return -EIO;
735 
736 		msleep(1000);
737 	}
738 
739 	return sliport_status ? : -1;
740 }
741 
742 int be_fw_wait_ready(struct be_adapter *adapter)
743 {
744 	u16 stage;
745 	int status, timeout = 0;
746 	struct device *dev = &adapter->pdev->dev;
747 
748 	if (lancer_chip(adapter)) {
749 		status = lancer_wait_ready(adapter);
750 		if (status) {
751 			stage = status;
752 			goto err;
753 		}
754 		return 0;
755 	}
756 
757 	do {
758 		/* There's no means to poll POST state on BE2/3 VFs */
759 		if (BEx_chip(adapter) && be_virtfn(adapter))
760 			return 0;
761 
762 		stage = be_POST_stage_get(adapter);
763 		if (stage == POST_STAGE_ARMFW_RDY)
764 			return 0;
765 
766 		dev_info(dev, "Waiting for POST, %ds elapsed\n", timeout);
767 		if (msleep_interruptible(2000)) {
768 			dev_err(dev, "Waiting for POST aborted\n");
769 			return -EINTR;
770 		}
771 		timeout += 2;
772 	} while (timeout < 60);
773 
774 err:
775 	dev_err(dev, "POST timeout; stage=%#x\n", stage);
776 	return -ETIMEDOUT;
777 }
778 
779 static inline struct be_sge *nonembedded_sgl(struct be_mcc_wrb *wrb)
780 {
781 	return &wrb->payload.sgl[0];
782 }
783 
784 static inline void fill_wrb_tags(struct be_mcc_wrb *wrb, unsigned long addr)
785 {
786 	wrb->tag0 = addr & 0xFFFFFFFF;
787 	wrb->tag1 = upper_32_bits(addr);
788 }
789 
790 /* Don't touch the hdr after it's prepared */
791 /* mem will be NULL for embedded commands */
792 static void be_wrb_cmd_hdr_prepare(struct be_cmd_req_hdr *req_hdr,
793 				   u8 subsystem, u8 opcode, int cmd_len,
794 				   struct be_mcc_wrb *wrb,
795 				   struct be_dma_mem *mem)
796 {
797 	struct be_sge *sge;
798 
799 	req_hdr->opcode = opcode;
800 	req_hdr->subsystem = subsystem;
801 	req_hdr->request_length = cpu_to_le32(cmd_len - sizeof(*req_hdr));
802 	req_hdr->version = 0;
803 	fill_wrb_tags(wrb, (ulong) req_hdr);
804 	wrb->payload_length = cmd_len;
805 	if (mem) {
806 		wrb->embedded |= (1 & MCC_WRB_SGE_CNT_MASK) <<
807 			MCC_WRB_SGE_CNT_SHIFT;
808 		sge = nonembedded_sgl(wrb);
809 		sge->pa_hi = cpu_to_le32(upper_32_bits(mem->dma));
810 		sge->pa_lo = cpu_to_le32(mem->dma & 0xFFFFFFFF);
811 		sge->len = cpu_to_le32(mem->size);
812 	} else
813 		wrb->embedded |= MCC_WRB_EMBEDDED_MASK;
814 	be_dws_cpu_to_le(wrb, 8);
815 }
816 
817 static void be_cmd_page_addrs_prepare(struct phys_addr *pages, u32 max_pages,
818 				      struct be_dma_mem *mem)
819 {
820 	int i, buf_pages = min(PAGES_4K_SPANNED(mem->va, mem->size), max_pages);
821 	u64 dma = (u64)mem->dma;
822 
823 	for (i = 0; i < buf_pages; i++) {
824 		pages[i].lo = cpu_to_le32(dma & 0xFFFFFFFF);
825 		pages[i].hi = cpu_to_le32(upper_32_bits(dma));
826 		dma += PAGE_SIZE_4K;
827 	}
828 }
829 
830 static inline struct be_mcc_wrb *wrb_from_mbox(struct be_adapter *adapter)
831 {
832 	struct be_dma_mem *mbox_mem = &adapter->mbox_mem;
833 	struct be_mcc_wrb *wrb
834 		= &((struct be_mcc_mailbox *)(mbox_mem->va))->wrb;
835 	memset(wrb, 0, sizeof(*wrb));
836 	return wrb;
837 }
838 
839 static struct be_mcc_wrb *wrb_from_mccq(struct be_adapter *adapter)
840 {
841 	struct be_queue_info *mccq = &adapter->mcc_obj.q;
842 	struct be_mcc_wrb *wrb;
843 
844 	if (!mccq->created)
845 		return NULL;
846 
847 	if (atomic_read(&mccq->used) >= mccq->len)
848 		return NULL;
849 
850 	wrb = queue_head_node(mccq);
851 	queue_head_inc(mccq);
852 	atomic_inc(&mccq->used);
853 	memset(wrb, 0, sizeof(*wrb));
854 	return wrb;
855 }
856 
857 static bool use_mcc(struct be_adapter *adapter)
858 {
859 	return adapter->mcc_obj.q.created;
860 }
861 
862 /* Must be used only in process context */
863 static int be_cmd_lock(struct be_adapter *adapter)
864 {
865 	if (use_mcc(adapter)) {
866 		mutex_lock(&adapter->mcc_lock);
867 		return 0;
868 	} else {
869 		return mutex_lock_interruptible(&adapter->mbox_lock);
870 	}
871 }
872 
873 /* Must be used only in process context */
874 static void be_cmd_unlock(struct be_adapter *adapter)
875 {
876 	if (use_mcc(adapter))
877 		return mutex_unlock(&adapter->mcc_lock);
878 	else
879 		return mutex_unlock(&adapter->mbox_lock);
880 }
881 
882 static struct be_mcc_wrb *be_cmd_copy(struct be_adapter *adapter,
883 				      struct be_mcc_wrb *wrb)
884 {
885 	struct be_mcc_wrb *dest_wrb;
886 
887 	if (use_mcc(adapter)) {
888 		dest_wrb = wrb_from_mccq(adapter);
889 		if (!dest_wrb)
890 			return NULL;
891 	} else {
892 		dest_wrb = wrb_from_mbox(adapter);
893 	}
894 
895 	memcpy(dest_wrb, wrb, sizeof(*wrb));
896 	if (wrb->embedded & cpu_to_le32(MCC_WRB_EMBEDDED_MASK))
897 		fill_wrb_tags(dest_wrb, (ulong) embedded_payload(wrb));
898 
899 	return dest_wrb;
900 }
901 
902 /* Must be used only in process context */
903 static int be_cmd_notify_wait(struct be_adapter *adapter,
904 			      struct be_mcc_wrb *wrb)
905 {
906 	struct be_mcc_wrb *dest_wrb;
907 	int status;
908 
909 	status = be_cmd_lock(adapter);
910 	if (status)
911 		return status;
912 
913 	dest_wrb = be_cmd_copy(adapter, wrb);
914 	if (!dest_wrb) {
915 		status = -EBUSY;
916 		goto unlock;
917 	}
918 
919 	if (use_mcc(adapter))
920 		status = be_mcc_notify_wait(adapter);
921 	else
922 		status = be_mbox_notify_wait(adapter);
923 
924 	if (!status)
925 		memcpy(wrb, dest_wrb, sizeof(*wrb));
926 
927 unlock:
928 	be_cmd_unlock(adapter);
929 	return status;
930 }
931 
932 /* Tell fw we're about to start firing cmds by writing a
933  * special pattern across the wrb hdr; uses mbox
934  */
935 int be_cmd_fw_init(struct be_adapter *adapter)
936 {
937 	u8 *wrb;
938 	int status;
939 
940 	if (lancer_chip(adapter))
941 		return 0;
942 
943 	if (mutex_lock_interruptible(&adapter->mbox_lock))
944 		return -1;
945 
946 	wrb = (u8 *)wrb_from_mbox(adapter);
947 	*wrb++ = 0xFF;
948 	*wrb++ = 0x12;
949 	*wrb++ = 0x34;
950 	*wrb++ = 0xFF;
951 	*wrb++ = 0xFF;
952 	*wrb++ = 0x56;
953 	*wrb++ = 0x78;
954 	*wrb = 0xFF;
955 
956 	status = be_mbox_notify_wait(adapter);
957 
958 	mutex_unlock(&adapter->mbox_lock);
959 	return status;
960 }
961 
962 /* Tell fw we're done with firing cmds by writing a
963  * special pattern across the wrb hdr; uses mbox
964  */
965 int be_cmd_fw_clean(struct be_adapter *adapter)
966 {
967 	u8 *wrb;
968 	int status;
969 
970 	if (lancer_chip(adapter))
971 		return 0;
972 
973 	if (mutex_lock_interruptible(&adapter->mbox_lock))
974 		return -1;
975 
976 	wrb = (u8 *)wrb_from_mbox(adapter);
977 	*wrb++ = 0xFF;
978 	*wrb++ = 0xAA;
979 	*wrb++ = 0xBB;
980 	*wrb++ = 0xFF;
981 	*wrb++ = 0xFF;
982 	*wrb++ = 0xCC;
983 	*wrb++ = 0xDD;
984 	*wrb = 0xFF;
985 
986 	status = be_mbox_notify_wait(adapter);
987 
988 	mutex_unlock(&adapter->mbox_lock);
989 	return status;
990 }
991 
992 int be_cmd_eq_create(struct be_adapter *adapter, struct be_eq_obj *eqo)
993 {
994 	struct be_mcc_wrb *wrb;
995 	struct be_cmd_req_eq_create *req;
996 	struct be_dma_mem *q_mem = &eqo->q.dma_mem;
997 	int status, ver = 0;
998 
999 	if (mutex_lock_interruptible(&adapter->mbox_lock))
1000 		return -1;
1001 
1002 	wrb = wrb_from_mbox(adapter);
1003 	req = embedded_payload(wrb);
1004 
1005 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1006 			       OPCODE_COMMON_EQ_CREATE, sizeof(*req), wrb,
1007 			       NULL);
1008 
1009 	/* Support for EQ_CREATEv2 available only SH-R onwards */
1010 	if (!(BEx_chip(adapter) || lancer_chip(adapter)))
1011 		ver = 2;
1012 
1013 	req->hdr.version = ver;
1014 	req->num_pages =  cpu_to_le16(PAGES_4K_SPANNED(q_mem->va, q_mem->size));
1015 
1016 	AMAP_SET_BITS(struct amap_eq_context, valid, req->context, 1);
1017 	/* 4byte eqe*/
1018 	AMAP_SET_BITS(struct amap_eq_context, size, req->context, 0);
1019 	AMAP_SET_BITS(struct amap_eq_context, count, req->context,
1020 		      __ilog2_u32(eqo->q.len / 256));
1021 	be_dws_cpu_to_le(req->context, sizeof(req->context));
1022 
1023 	be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);
1024 
1025 	status = be_mbox_notify_wait(adapter);
1026 	if (!status) {
1027 		struct be_cmd_resp_eq_create *resp = embedded_payload(wrb);
1028 
1029 		eqo->q.id = le16_to_cpu(resp->eq_id);
1030 		eqo->msix_idx =
1031 			(ver == 2) ? le16_to_cpu(resp->msix_idx) : eqo->idx;
1032 		eqo->q.created = true;
1033 	}
1034 
1035 	mutex_unlock(&adapter->mbox_lock);
1036 	return status;
1037 }
1038 
1039 /* Use MCC */
1040 int be_cmd_mac_addr_query(struct be_adapter *adapter, u8 *mac_addr,
1041 			  bool permanent, u32 if_handle, u32 pmac_id)
1042 {
1043 	struct be_mcc_wrb *wrb;
1044 	struct be_cmd_req_mac_query *req;
1045 	int status;
1046 
1047 	mutex_lock(&adapter->mcc_lock);
1048 
1049 	wrb = wrb_from_mccq(adapter);
1050 	if (!wrb) {
1051 		status = -EBUSY;
1052 		goto err;
1053 	}
1054 	req = embedded_payload(wrb);
1055 
1056 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1057 			       OPCODE_COMMON_NTWK_MAC_QUERY, sizeof(*req), wrb,
1058 			       NULL);
1059 	req->type = MAC_ADDRESS_TYPE_NETWORK;
1060 	if (permanent) {
1061 		req->permanent = 1;
1062 	} else {
1063 		req->if_id = cpu_to_le16((u16)if_handle);
1064 		req->pmac_id = cpu_to_le32(pmac_id);
1065 		req->permanent = 0;
1066 	}
1067 
1068 	status = be_mcc_notify_wait(adapter);
1069 	if (!status) {
1070 		struct be_cmd_resp_mac_query *resp = embedded_payload(wrb);
1071 
1072 		memcpy(mac_addr, resp->mac.addr, ETH_ALEN);
1073 	}
1074 
1075 err:
1076 	mutex_unlock(&adapter->mcc_lock);
1077 	return status;
1078 }
1079 
1080 /* Uses synchronous MCCQ */
1081 int be_cmd_pmac_add(struct be_adapter *adapter, u8 *mac_addr,
1082 		    u32 if_id, u32 *pmac_id, u32 domain)
1083 {
1084 	struct be_mcc_wrb *wrb;
1085 	struct be_cmd_req_pmac_add *req;
1086 	int status;
1087 
1088 	mutex_lock(&adapter->mcc_lock);
1089 
1090 	wrb = wrb_from_mccq(adapter);
1091 	if (!wrb) {
1092 		status = -EBUSY;
1093 		goto err;
1094 	}
1095 	req = embedded_payload(wrb);
1096 
1097 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1098 			       OPCODE_COMMON_NTWK_PMAC_ADD, sizeof(*req), wrb,
1099 			       NULL);
1100 
1101 	req->hdr.domain = domain;
1102 	req->if_id = cpu_to_le32(if_id);
1103 	memcpy(req->mac_address, mac_addr, ETH_ALEN);
1104 
1105 	status = be_mcc_notify_wait(adapter);
1106 	if (!status) {
1107 		struct be_cmd_resp_pmac_add *resp = embedded_payload(wrb);
1108 
1109 		*pmac_id = le32_to_cpu(resp->pmac_id);
1110 	}
1111 
1112 err:
1113 	mutex_unlock(&adapter->mcc_lock);
1114 
1115 	 if (base_status(status) == MCC_STATUS_UNAUTHORIZED_REQUEST)
1116 		status = -EPERM;
1117 
1118 	return status;
1119 }
1120 
1121 /* Uses synchronous MCCQ */
1122 int be_cmd_pmac_del(struct be_adapter *adapter, u32 if_id, int pmac_id, u32 dom)
1123 {
1124 	struct be_mcc_wrb *wrb;
1125 	struct be_cmd_req_pmac_del *req;
1126 	int status;
1127 
1128 	if (pmac_id == -1)
1129 		return 0;
1130 
1131 	mutex_lock(&adapter->mcc_lock);
1132 
1133 	wrb = wrb_from_mccq(adapter);
1134 	if (!wrb) {
1135 		status = -EBUSY;
1136 		goto err;
1137 	}
1138 	req = embedded_payload(wrb);
1139 
1140 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1141 			       OPCODE_COMMON_NTWK_PMAC_DEL, sizeof(*req),
1142 			       wrb, NULL);
1143 
1144 	req->hdr.domain = dom;
1145 	req->if_id = cpu_to_le32(if_id);
1146 	req->pmac_id = cpu_to_le32(pmac_id);
1147 
1148 	status = be_mcc_notify_wait(adapter);
1149 
1150 err:
1151 	mutex_unlock(&adapter->mcc_lock);
1152 	return status;
1153 }
1154 
1155 /* Uses Mbox */
1156 int be_cmd_cq_create(struct be_adapter *adapter, struct be_queue_info *cq,
1157 		     struct be_queue_info *eq, bool no_delay, int coalesce_wm)
1158 {
1159 	struct be_mcc_wrb *wrb;
1160 	struct be_cmd_req_cq_create *req;
1161 	struct be_dma_mem *q_mem = &cq->dma_mem;
1162 	void *ctxt;
1163 	int status;
1164 
1165 	if (mutex_lock_interruptible(&adapter->mbox_lock))
1166 		return -1;
1167 
1168 	wrb = wrb_from_mbox(adapter);
1169 	req = embedded_payload(wrb);
1170 	ctxt = &req->context;
1171 
1172 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1173 			       OPCODE_COMMON_CQ_CREATE, sizeof(*req), wrb,
1174 			       NULL);
1175 
1176 	req->num_pages =  cpu_to_le16(PAGES_4K_SPANNED(q_mem->va, q_mem->size));
1177 
1178 	if (BEx_chip(adapter)) {
1179 		AMAP_SET_BITS(struct amap_cq_context_be, coalescwm, ctxt,
1180 			      coalesce_wm);
1181 		AMAP_SET_BITS(struct amap_cq_context_be, nodelay,
1182 			      ctxt, no_delay);
1183 		AMAP_SET_BITS(struct amap_cq_context_be, count, ctxt,
1184 			      __ilog2_u32(cq->len / 256));
1185 		AMAP_SET_BITS(struct amap_cq_context_be, valid, ctxt, 1);
1186 		AMAP_SET_BITS(struct amap_cq_context_be, eventable, ctxt, 1);
1187 		AMAP_SET_BITS(struct amap_cq_context_be, eqid, ctxt, eq->id);
1188 	} else {
1189 		req->hdr.version = 2;
1190 		req->page_size = 1; /* 1 for 4K */
1191 
1192 		/* coalesce-wm field in this cmd is not relevant to Lancer.
1193 		 * Lancer uses COMMON_MODIFY_CQ to set this field
1194 		 */
1195 		if (!lancer_chip(adapter))
1196 			AMAP_SET_BITS(struct amap_cq_context_v2, coalescwm,
1197 				      ctxt, coalesce_wm);
1198 		AMAP_SET_BITS(struct amap_cq_context_v2, nodelay, ctxt,
1199 			      no_delay);
1200 		AMAP_SET_BITS(struct amap_cq_context_v2, count, ctxt,
1201 			      __ilog2_u32(cq->len / 256));
1202 		AMAP_SET_BITS(struct amap_cq_context_v2, valid, ctxt, 1);
1203 		AMAP_SET_BITS(struct amap_cq_context_v2, eventable, ctxt, 1);
1204 		AMAP_SET_BITS(struct amap_cq_context_v2, eqid, ctxt, eq->id);
1205 	}
1206 
1207 	be_dws_cpu_to_le(ctxt, sizeof(req->context));
1208 
1209 	be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);
1210 
1211 	status = be_mbox_notify_wait(adapter);
1212 	if (!status) {
1213 		struct be_cmd_resp_cq_create *resp = embedded_payload(wrb);
1214 
1215 		cq->id = le16_to_cpu(resp->cq_id);
1216 		cq->created = true;
1217 	}
1218 
1219 	mutex_unlock(&adapter->mbox_lock);
1220 
1221 	return status;
1222 }
1223 
1224 static u32 be_encoded_q_len(int q_len)
1225 {
1226 	u32 len_encoded = fls(q_len); /* log2(len) + 1 */
1227 
1228 	if (len_encoded == 16)
1229 		len_encoded = 0;
1230 	return len_encoded;
1231 }
1232 
1233 static int be_cmd_mccq_ext_create(struct be_adapter *adapter,
1234 				  struct be_queue_info *mccq,
1235 				  struct be_queue_info *cq)
1236 {
1237 	struct be_mcc_wrb *wrb;
1238 	struct be_cmd_req_mcc_ext_create *req;
1239 	struct be_dma_mem *q_mem = &mccq->dma_mem;
1240 	void *ctxt;
1241 	int status;
1242 
1243 	if (mutex_lock_interruptible(&adapter->mbox_lock))
1244 		return -1;
1245 
1246 	wrb = wrb_from_mbox(adapter);
1247 	req = embedded_payload(wrb);
1248 	ctxt = &req->context;
1249 
1250 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1251 			       OPCODE_COMMON_MCC_CREATE_EXT, sizeof(*req), wrb,
1252 			       NULL);
1253 
1254 	req->num_pages = cpu_to_le16(PAGES_4K_SPANNED(q_mem->va, q_mem->size));
1255 	if (BEx_chip(adapter)) {
1256 		AMAP_SET_BITS(struct amap_mcc_context_be, valid, ctxt, 1);
1257 		AMAP_SET_BITS(struct amap_mcc_context_be, ring_size, ctxt,
1258 			      be_encoded_q_len(mccq->len));
1259 		AMAP_SET_BITS(struct amap_mcc_context_be, cq_id, ctxt, cq->id);
1260 	} else {
1261 		req->hdr.version = 1;
1262 		req->cq_id = cpu_to_le16(cq->id);
1263 
1264 		AMAP_SET_BITS(struct amap_mcc_context_v1, ring_size, ctxt,
1265 			      be_encoded_q_len(mccq->len));
1266 		AMAP_SET_BITS(struct amap_mcc_context_v1, valid, ctxt, 1);
1267 		AMAP_SET_BITS(struct amap_mcc_context_v1, async_cq_id,
1268 			      ctxt, cq->id);
1269 		AMAP_SET_BITS(struct amap_mcc_context_v1, async_cq_valid,
1270 			      ctxt, 1);
1271 	}
1272 
1273 	/* Subscribe to Link State, Sliport Event and Group 5 Events
1274 	 * (bits 1, 5 and 17 set)
1275 	 */
1276 	req->async_event_bitmap[0] =
1277 			cpu_to_le32(BIT(ASYNC_EVENT_CODE_LINK_STATE) |
1278 				    BIT(ASYNC_EVENT_CODE_GRP_5) |
1279 				    BIT(ASYNC_EVENT_CODE_QNQ) |
1280 				    BIT(ASYNC_EVENT_CODE_SLIPORT));
1281 
1282 	be_dws_cpu_to_le(ctxt, sizeof(req->context));
1283 
1284 	be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);
1285 
1286 	status = be_mbox_notify_wait(adapter);
1287 	if (!status) {
1288 		struct be_cmd_resp_mcc_create *resp = embedded_payload(wrb);
1289 
1290 		mccq->id = le16_to_cpu(resp->id);
1291 		mccq->created = true;
1292 	}
1293 	mutex_unlock(&adapter->mbox_lock);
1294 
1295 	return status;
1296 }
1297 
1298 static int be_cmd_mccq_org_create(struct be_adapter *adapter,
1299 				  struct be_queue_info *mccq,
1300 				  struct be_queue_info *cq)
1301 {
1302 	struct be_mcc_wrb *wrb;
1303 	struct be_cmd_req_mcc_create *req;
1304 	struct be_dma_mem *q_mem = &mccq->dma_mem;
1305 	void *ctxt;
1306 	int status;
1307 
1308 	if (mutex_lock_interruptible(&adapter->mbox_lock))
1309 		return -1;
1310 
1311 	wrb = wrb_from_mbox(adapter);
1312 	req = embedded_payload(wrb);
1313 	ctxt = &req->context;
1314 
1315 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1316 			       OPCODE_COMMON_MCC_CREATE, sizeof(*req), wrb,
1317 			       NULL);
1318 
1319 	req->num_pages = cpu_to_le16(PAGES_4K_SPANNED(q_mem->va, q_mem->size));
1320 
1321 	AMAP_SET_BITS(struct amap_mcc_context_be, valid, ctxt, 1);
1322 	AMAP_SET_BITS(struct amap_mcc_context_be, ring_size, ctxt,
1323 		      be_encoded_q_len(mccq->len));
1324 	AMAP_SET_BITS(struct amap_mcc_context_be, cq_id, ctxt, cq->id);
1325 
1326 	be_dws_cpu_to_le(ctxt, sizeof(req->context));
1327 
1328 	be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);
1329 
1330 	status = be_mbox_notify_wait(adapter);
1331 	if (!status) {
1332 		struct be_cmd_resp_mcc_create *resp = embedded_payload(wrb);
1333 
1334 		mccq->id = le16_to_cpu(resp->id);
1335 		mccq->created = true;
1336 	}
1337 
1338 	mutex_unlock(&adapter->mbox_lock);
1339 	return status;
1340 }
1341 
1342 int be_cmd_mccq_create(struct be_adapter *adapter,
1343 		       struct be_queue_info *mccq, struct be_queue_info *cq)
1344 {
1345 	int status;
1346 
1347 	status = be_cmd_mccq_ext_create(adapter, mccq, cq);
1348 	if (status && BEx_chip(adapter)) {
1349 		dev_warn(&adapter->pdev->dev, "Upgrade to F/W ver 2.102.235.0 "
1350 			"or newer to avoid conflicting priorities between NIC "
1351 			"and FCoE traffic");
1352 		status = be_cmd_mccq_org_create(adapter, mccq, cq);
1353 	}
1354 	return status;
1355 }
1356 
1357 int be_cmd_txq_create(struct be_adapter *adapter, struct be_tx_obj *txo)
1358 {
1359 	struct be_mcc_wrb wrb = {0};
1360 	struct be_cmd_req_eth_tx_create *req;
1361 	struct be_queue_info *txq = &txo->q;
1362 	struct be_queue_info *cq = &txo->cq;
1363 	struct be_dma_mem *q_mem = &txq->dma_mem;
1364 	int status, ver = 0;
1365 
1366 	req = embedded_payload(&wrb);
1367 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH,
1368 			       OPCODE_ETH_TX_CREATE, sizeof(*req), &wrb, NULL);
1369 
1370 	if (lancer_chip(adapter)) {
1371 		req->hdr.version = 1;
1372 	} else if (BEx_chip(adapter)) {
1373 		if (adapter->function_caps & BE_FUNCTION_CAPS_SUPER_NIC)
1374 			req->hdr.version = 2;
1375 	} else { /* For SH */
1376 		req->hdr.version = 2;
1377 	}
1378 
1379 	if (req->hdr.version > 0)
1380 		req->if_id = cpu_to_le16(adapter->if_handle);
1381 	req->num_pages = PAGES_4K_SPANNED(q_mem->va, q_mem->size);
1382 	req->ulp_num = BE_ULP1_NUM;
1383 	req->type = BE_ETH_TX_RING_TYPE_STANDARD;
1384 	req->cq_id = cpu_to_le16(cq->id);
1385 	req->queue_size = be_encoded_q_len(txq->len);
1386 	be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);
1387 	ver = req->hdr.version;
1388 
1389 	status = be_cmd_notify_wait(adapter, &wrb);
1390 	if (!status) {
1391 		struct be_cmd_resp_eth_tx_create *resp = embedded_payload(&wrb);
1392 
1393 		txq->id = le16_to_cpu(resp->cid);
1394 		if (ver == 2)
1395 			txo->db_offset = le32_to_cpu(resp->db_offset);
1396 		else
1397 			txo->db_offset = DB_TXULP1_OFFSET;
1398 		txq->created = true;
1399 	}
1400 
1401 	return status;
1402 }
1403 
1404 /* Uses MCC */
1405 int be_cmd_rxq_create(struct be_adapter *adapter,
1406 		      struct be_queue_info *rxq, u16 cq_id, u16 frag_size,
1407 		      u32 if_id, u32 rss, u8 *rss_id)
1408 {
1409 	struct be_mcc_wrb *wrb;
1410 	struct be_cmd_req_eth_rx_create *req;
1411 	struct be_dma_mem *q_mem = &rxq->dma_mem;
1412 	int status;
1413 
1414 	mutex_lock(&adapter->mcc_lock);
1415 
1416 	wrb = wrb_from_mccq(adapter);
1417 	if (!wrb) {
1418 		status = -EBUSY;
1419 		goto err;
1420 	}
1421 	req = embedded_payload(wrb);
1422 
1423 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH,
1424 			       OPCODE_ETH_RX_CREATE, sizeof(*req), wrb, NULL);
1425 
1426 	req->cq_id = cpu_to_le16(cq_id);
1427 	req->frag_size = fls(frag_size) - 1;
1428 	req->num_pages = 2;
1429 	be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);
1430 	req->interface_id = cpu_to_le32(if_id);
1431 	req->max_frame_size = cpu_to_le16(BE_MAX_JUMBO_FRAME_SIZE);
1432 	req->rss_queue = cpu_to_le32(rss);
1433 
1434 	status = be_mcc_notify_wait(adapter);
1435 	if (!status) {
1436 		struct be_cmd_resp_eth_rx_create *resp = embedded_payload(wrb);
1437 
1438 		rxq->id = le16_to_cpu(resp->id);
1439 		rxq->created = true;
1440 		*rss_id = resp->rss_id;
1441 	}
1442 
1443 err:
1444 	mutex_unlock(&adapter->mcc_lock);
1445 	return status;
1446 }
1447 
1448 /* Generic destroyer function for all types of queues
1449  * Uses Mbox
1450  */
1451 int be_cmd_q_destroy(struct be_adapter *adapter, struct be_queue_info *q,
1452 		     int queue_type)
1453 {
1454 	struct be_mcc_wrb *wrb;
1455 	struct be_cmd_req_q_destroy *req;
1456 	u8 subsys = 0, opcode = 0;
1457 	int status;
1458 
1459 	if (mutex_lock_interruptible(&adapter->mbox_lock))
1460 		return -1;
1461 
1462 	wrb = wrb_from_mbox(adapter);
1463 	req = embedded_payload(wrb);
1464 
1465 	switch (queue_type) {
1466 	case QTYPE_EQ:
1467 		subsys = CMD_SUBSYSTEM_COMMON;
1468 		opcode = OPCODE_COMMON_EQ_DESTROY;
1469 		break;
1470 	case QTYPE_CQ:
1471 		subsys = CMD_SUBSYSTEM_COMMON;
1472 		opcode = OPCODE_COMMON_CQ_DESTROY;
1473 		break;
1474 	case QTYPE_TXQ:
1475 		subsys = CMD_SUBSYSTEM_ETH;
1476 		opcode = OPCODE_ETH_TX_DESTROY;
1477 		break;
1478 	case QTYPE_RXQ:
1479 		subsys = CMD_SUBSYSTEM_ETH;
1480 		opcode = OPCODE_ETH_RX_DESTROY;
1481 		break;
1482 	case QTYPE_MCCQ:
1483 		subsys = CMD_SUBSYSTEM_COMMON;
1484 		opcode = OPCODE_COMMON_MCC_DESTROY;
1485 		break;
1486 	default:
1487 		BUG();
1488 	}
1489 
1490 	be_wrb_cmd_hdr_prepare(&req->hdr, subsys, opcode, sizeof(*req), wrb,
1491 			       NULL);
1492 	req->id = cpu_to_le16(q->id);
1493 
1494 	status = be_mbox_notify_wait(adapter);
1495 	q->created = false;
1496 
1497 	mutex_unlock(&adapter->mbox_lock);
1498 	return status;
1499 }
1500 
1501 /* Uses MCC */
1502 int be_cmd_rxq_destroy(struct be_adapter *adapter, struct be_queue_info *q)
1503 {
1504 	struct be_mcc_wrb *wrb;
1505 	struct be_cmd_req_q_destroy *req;
1506 	int status;
1507 
1508 	mutex_lock(&adapter->mcc_lock);
1509 
1510 	wrb = wrb_from_mccq(adapter);
1511 	if (!wrb) {
1512 		status = -EBUSY;
1513 		goto err;
1514 	}
1515 	req = embedded_payload(wrb);
1516 
1517 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH,
1518 			       OPCODE_ETH_RX_DESTROY, sizeof(*req), wrb, NULL);
1519 	req->id = cpu_to_le16(q->id);
1520 
1521 	status = be_mcc_notify_wait(adapter);
1522 	q->created = false;
1523 
1524 err:
1525 	mutex_unlock(&adapter->mcc_lock);
1526 	return status;
1527 }
1528 
1529 /* Create an rx filtering policy configuration on an i/f
1530  * Will use MBOX only if MCCQ has not been created.
1531  */
1532 int be_cmd_if_create(struct be_adapter *adapter, u32 cap_flags, u32 en_flags,
1533 		     u32 *if_handle, u32 domain)
1534 {
1535 	struct be_mcc_wrb wrb = {0};
1536 	struct be_cmd_req_if_create *req;
1537 	int status;
1538 
1539 	req = embedded_payload(&wrb);
1540 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1541 			       OPCODE_COMMON_NTWK_INTERFACE_CREATE,
1542 			       sizeof(*req), &wrb, NULL);
1543 	req->hdr.domain = domain;
1544 	req->capability_flags = cpu_to_le32(cap_flags);
1545 	req->enable_flags = cpu_to_le32(en_flags);
1546 	req->pmac_invalid = true;
1547 
1548 	status = be_cmd_notify_wait(adapter, &wrb);
1549 	if (!status) {
1550 		struct be_cmd_resp_if_create *resp = embedded_payload(&wrb);
1551 
1552 		*if_handle = le32_to_cpu(resp->interface_id);
1553 
1554 		/* Hack to retrieve VF's pmac-id on BE3 */
1555 		if (BE3_chip(adapter) && be_virtfn(adapter))
1556 			adapter->pmac_id[0] = le32_to_cpu(resp->pmac_id);
1557 	}
1558 	return status;
1559 }
1560 
1561 /* Uses MCCQ if available else MBOX */
1562 int be_cmd_if_destroy(struct be_adapter *adapter, int interface_id, u32 domain)
1563 {
1564 	struct be_mcc_wrb wrb = {0};
1565 	struct be_cmd_req_if_destroy *req;
1566 	int status;
1567 
1568 	if (interface_id == -1)
1569 		return 0;
1570 
1571 	req = embedded_payload(&wrb);
1572 
1573 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1574 			       OPCODE_COMMON_NTWK_INTERFACE_DESTROY,
1575 			       sizeof(*req), &wrb, NULL);
1576 	req->hdr.domain = domain;
1577 	req->interface_id = cpu_to_le32(interface_id);
1578 
1579 	status = be_cmd_notify_wait(adapter, &wrb);
1580 	return status;
1581 }
1582 
1583 /* Get stats is a non embedded command: the request is not embedded inside
1584  * WRB but is a separate dma memory block
1585  * Uses asynchronous MCC
1586  */
1587 int be_cmd_get_stats(struct be_adapter *adapter, struct be_dma_mem *nonemb_cmd)
1588 {
1589 	struct be_mcc_wrb *wrb;
1590 	struct be_cmd_req_hdr *hdr;
1591 	int status = 0;
1592 
1593 	mutex_lock(&adapter->mcc_lock);
1594 
1595 	wrb = wrb_from_mccq(adapter);
1596 	if (!wrb) {
1597 		status = -EBUSY;
1598 		goto err;
1599 	}
1600 	hdr = nonemb_cmd->va;
1601 
1602 	be_wrb_cmd_hdr_prepare(hdr, CMD_SUBSYSTEM_ETH,
1603 			       OPCODE_ETH_GET_STATISTICS, nonemb_cmd->size, wrb,
1604 			       nonemb_cmd);
1605 
1606 	/* version 1 of the cmd is not supported only by BE2 */
1607 	if (BE2_chip(adapter))
1608 		hdr->version = 0;
1609 	if (BE3_chip(adapter) || lancer_chip(adapter))
1610 		hdr->version = 1;
1611 	else
1612 		hdr->version = 2;
1613 
1614 	status = be_mcc_notify(adapter);
1615 	if (status)
1616 		goto err;
1617 
1618 	adapter->stats_cmd_sent = true;
1619 
1620 err:
1621 	mutex_unlock(&adapter->mcc_lock);
1622 	return status;
1623 }
1624 
1625 /* Lancer Stats */
1626 int lancer_cmd_get_pport_stats(struct be_adapter *adapter,
1627 			       struct be_dma_mem *nonemb_cmd)
1628 {
1629 	struct be_mcc_wrb *wrb;
1630 	struct lancer_cmd_req_pport_stats *req;
1631 	int status = 0;
1632 
1633 	if (!be_cmd_allowed(adapter, OPCODE_ETH_GET_PPORT_STATS,
1634 			    CMD_SUBSYSTEM_ETH))
1635 		return -EPERM;
1636 
1637 	mutex_lock(&adapter->mcc_lock);
1638 
1639 	wrb = wrb_from_mccq(adapter);
1640 	if (!wrb) {
1641 		status = -EBUSY;
1642 		goto err;
1643 	}
1644 	req = nonemb_cmd->va;
1645 
1646 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH,
1647 			       OPCODE_ETH_GET_PPORT_STATS, nonemb_cmd->size,
1648 			       wrb, nonemb_cmd);
1649 
1650 	req->cmd_params.params.pport_num = cpu_to_le16(adapter->hba_port_num);
1651 	req->cmd_params.params.reset_stats = 0;
1652 
1653 	status = be_mcc_notify(adapter);
1654 	if (status)
1655 		goto err;
1656 
1657 	adapter->stats_cmd_sent = true;
1658 
1659 err:
1660 	mutex_unlock(&adapter->mcc_lock);
1661 	return status;
1662 }
1663 
1664 static int be_mac_to_link_speed(int mac_speed)
1665 {
1666 	switch (mac_speed) {
1667 	case PHY_LINK_SPEED_ZERO:
1668 		return 0;
1669 	case PHY_LINK_SPEED_10MBPS:
1670 		return 10;
1671 	case PHY_LINK_SPEED_100MBPS:
1672 		return 100;
1673 	case PHY_LINK_SPEED_1GBPS:
1674 		return 1000;
1675 	case PHY_LINK_SPEED_10GBPS:
1676 		return 10000;
1677 	case PHY_LINK_SPEED_20GBPS:
1678 		return 20000;
1679 	case PHY_LINK_SPEED_25GBPS:
1680 		return 25000;
1681 	case PHY_LINK_SPEED_40GBPS:
1682 		return 40000;
1683 	}
1684 	return 0;
1685 }
1686 
1687 /* Uses synchronous mcc
1688  * Returns link_speed in Mbps
1689  */
1690 int be_cmd_link_status_query(struct be_adapter *adapter, u16 *link_speed,
1691 			     u8 *link_status, u32 dom)
1692 {
1693 	struct be_mcc_wrb *wrb;
1694 	struct be_cmd_req_link_status *req;
1695 	int status;
1696 
1697 	mutex_lock(&adapter->mcc_lock);
1698 
1699 	if (link_status)
1700 		*link_status = LINK_DOWN;
1701 
1702 	wrb = wrb_from_mccq(adapter);
1703 	if (!wrb) {
1704 		status = -EBUSY;
1705 		goto err;
1706 	}
1707 	req = embedded_payload(wrb);
1708 
1709 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1710 			       OPCODE_COMMON_NTWK_LINK_STATUS_QUERY,
1711 			       sizeof(*req), wrb, NULL);
1712 
1713 	/* version 1 of the cmd is not supported only by BE2 */
1714 	if (!BE2_chip(adapter))
1715 		req->hdr.version = 1;
1716 
1717 	req->hdr.domain = dom;
1718 
1719 	status = be_mcc_notify_wait(adapter);
1720 	if (!status) {
1721 		struct be_cmd_resp_link_status *resp = embedded_payload(wrb);
1722 
1723 		if (link_speed) {
1724 			*link_speed = resp->link_speed ?
1725 				      le16_to_cpu(resp->link_speed) * 10 :
1726 				      be_mac_to_link_speed(resp->mac_speed);
1727 
1728 			if (!resp->logical_link_status)
1729 				*link_speed = 0;
1730 		}
1731 		if (link_status)
1732 			*link_status = resp->logical_link_status;
1733 	}
1734 
1735 err:
1736 	mutex_unlock(&adapter->mcc_lock);
1737 	return status;
1738 }
1739 
1740 /* Uses synchronous mcc */
1741 int be_cmd_get_die_temperature(struct be_adapter *adapter)
1742 {
1743 	struct be_mcc_wrb *wrb;
1744 	struct be_cmd_req_get_cntl_addnl_attribs *req;
1745 	int status = 0;
1746 
1747 	mutex_lock(&adapter->mcc_lock);
1748 
1749 	wrb = wrb_from_mccq(adapter);
1750 	if (!wrb) {
1751 		status = -EBUSY;
1752 		goto err;
1753 	}
1754 	req = embedded_payload(wrb);
1755 
1756 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1757 			       OPCODE_COMMON_GET_CNTL_ADDITIONAL_ATTRIBUTES,
1758 			       sizeof(*req), wrb, NULL);
1759 
1760 	status = be_mcc_notify(adapter);
1761 err:
1762 	mutex_unlock(&adapter->mcc_lock);
1763 	return status;
1764 }
1765 
1766 /* Uses synchronous mcc */
1767 int be_cmd_get_fat_dump_len(struct be_adapter *adapter, u32 *dump_size)
1768 {
1769 	struct be_mcc_wrb wrb = {0};
1770 	struct be_cmd_req_get_fat *req;
1771 	int status;
1772 
1773 	req = embedded_payload(&wrb);
1774 
1775 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1776 			       OPCODE_COMMON_MANAGE_FAT, sizeof(*req),
1777 			       &wrb, NULL);
1778 	req->fat_operation = cpu_to_le32(QUERY_FAT);
1779 	status = be_cmd_notify_wait(adapter, &wrb);
1780 	if (!status) {
1781 		struct be_cmd_resp_get_fat *resp = embedded_payload(&wrb);
1782 
1783 		if (dump_size && resp->log_size)
1784 			*dump_size = le32_to_cpu(resp->log_size) -
1785 					sizeof(u32);
1786 	}
1787 	return status;
1788 }
1789 
1790 int be_cmd_get_fat_dump(struct be_adapter *adapter, u32 buf_len, void *buf)
1791 {
1792 	struct be_dma_mem get_fat_cmd;
1793 	struct be_mcc_wrb *wrb;
1794 	struct be_cmd_req_get_fat *req;
1795 	u32 offset = 0, total_size, buf_size,
1796 				log_offset = sizeof(u32), payload_len;
1797 	int status;
1798 
1799 	if (buf_len == 0)
1800 		return 0;
1801 
1802 	total_size = buf_len;
1803 
1804 	get_fat_cmd.size = sizeof(struct be_cmd_req_get_fat) + 60*1024;
1805 	get_fat_cmd.va = dma_alloc_coherent(&adapter->pdev->dev,
1806 					    get_fat_cmd.size,
1807 					    &get_fat_cmd.dma, GFP_ATOMIC);
1808 	if (!get_fat_cmd.va)
1809 		return -ENOMEM;
1810 
1811 	mutex_lock(&adapter->mcc_lock);
1812 
1813 	while (total_size) {
1814 		buf_size = min(total_size, (u32)60*1024);
1815 		total_size -= buf_size;
1816 
1817 		wrb = wrb_from_mccq(adapter);
1818 		if (!wrb) {
1819 			status = -EBUSY;
1820 			goto err;
1821 		}
1822 		req = get_fat_cmd.va;
1823 
1824 		payload_len = sizeof(struct be_cmd_req_get_fat) + buf_size;
1825 		be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1826 				       OPCODE_COMMON_MANAGE_FAT, payload_len,
1827 				       wrb, &get_fat_cmd);
1828 
1829 		req->fat_operation = cpu_to_le32(RETRIEVE_FAT);
1830 		req->read_log_offset = cpu_to_le32(log_offset);
1831 		req->read_log_length = cpu_to_le32(buf_size);
1832 		req->data_buffer_size = cpu_to_le32(buf_size);
1833 
1834 		status = be_mcc_notify_wait(adapter);
1835 		if (!status) {
1836 			struct be_cmd_resp_get_fat *resp = get_fat_cmd.va;
1837 
1838 			memcpy(buf + offset,
1839 			       resp->data_buffer,
1840 			       le32_to_cpu(resp->read_log_length));
1841 		} else {
1842 			dev_err(&adapter->pdev->dev, "FAT Table Retrieve error\n");
1843 			goto err;
1844 		}
1845 		offset += buf_size;
1846 		log_offset += buf_size;
1847 	}
1848 err:
1849 	dma_free_coherent(&adapter->pdev->dev, get_fat_cmd.size,
1850 			  get_fat_cmd.va, get_fat_cmd.dma);
1851 	mutex_unlock(&adapter->mcc_lock);
1852 	return status;
1853 }
1854 
1855 /* Uses synchronous mcc */
1856 int be_cmd_get_fw_ver(struct be_adapter *adapter)
1857 {
1858 	struct be_mcc_wrb *wrb;
1859 	struct be_cmd_req_get_fw_version *req;
1860 	int status;
1861 
1862 	mutex_lock(&adapter->mcc_lock);
1863 
1864 	wrb = wrb_from_mccq(adapter);
1865 	if (!wrb) {
1866 		status = -EBUSY;
1867 		goto err;
1868 	}
1869 
1870 	req = embedded_payload(wrb);
1871 
1872 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1873 			       OPCODE_COMMON_GET_FW_VERSION, sizeof(*req), wrb,
1874 			       NULL);
1875 	status = be_mcc_notify_wait(adapter);
1876 	if (!status) {
1877 		struct be_cmd_resp_get_fw_version *resp = embedded_payload(wrb);
1878 
1879 		strlcpy(adapter->fw_ver, resp->firmware_version_string,
1880 			sizeof(adapter->fw_ver));
1881 		strlcpy(adapter->fw_on_flash, resp->fw_on_flash_version_string,
1882 			sizeof(adapter->fw_on_flash));
1883 	}
1884 err:
1885 	mutex_unlock(&adapter->mcc_lock);
1886 	return status;
1887 }
1888 
1889 /* set the EQ delay interval of an EQ to specified value
1890  * Uses async mcc
1891  */
1892 static int __be_cmd_modify_eqd(struct be_adapter *adapter,
1893 			       struct be_set_eqd *set_eqd, int num)
1894 {
1895 	struct be_mcc_wrb *wrb;
1896 	struct be_cmd_req_modify_eq_delay *req;
1897 	int status = 0, i;
1898 
1899 	mutex_lock(&adapter->mcc_lock);
1900 
1901 	wrb = wrb_from_mccq(adapter);
1902 	if (!wrb) {
1903 		status = -EBUSY;
1904 		goto err;
1905 	}
1906 	req = embedded_payload(wrb);
1907 
1908 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1909 			       OPCODE_COMMON_MODIFY_EQ_DELAY, sizeof(*req), wrb,
1910 			       NULL);
1911 
1912 	req->num_eq = cpu_to_le32(num);
1913 	for (i = 0; i < num; i++) {
1914 		req->set_eqd[i].eq_id = cpu_to_le32(set_eqd[i].eq_id);
1915 		req->set_eqd[i].phase = 0;
1916 		req->set_eqd[i].delay_multiplier =
1917 				cpu_to_le32(set_eqd[i].delay_multiplier);
1918 	}
1919 
1920 	status = be_mcc_notify(adapter);
1921 err:
1922 	mutex_unlock(&adapter->mcc_lock);
1923 	return status;
1924 }
1925 
1926 int be_cmd_modify_eqd(struct be_adapter *adapter, struct be_set_eqd *set_eqd,
1927 		      int num)
1928 {
1929 	int num_eqs, i = 0;
1930 
1931 	while (num) {
1932 		num_eqs = min(num, 8);
1933 		__be_cmd_modify_eqd(adapter, &set_eqd[i], num_eqs);
1934 		i += num_eqs;
1935 		num -= num_eqs;
1936 	}
1937 
1938 	return 0;
1939 }
1940 
1941 /* Uses sycnhronous mcc */
1942 int be_cmd_vlan_config(struct be_adapter *adapter, u32 if_id, u16 *vtag_array,
1943 		       u32 num, u32 domain)
1944 {
1945 	struct be_mcc_wrb *wrb;
1946 	struct be_cmd_req_vlan_config *req;
1947 	int status;
1948 
1949 	mutex_lock(&adapter->mcc_lock);
1950 
1951 	wrb = wrb_from_mccq(adapter);
1952 	if (!wrb) {
1953 		status = -EBUSY;
1954 		goto err;
1955 	}
1956 	req = embedded_payload(wrb);
1957 
1958 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1959 			       OPCODE_COMMON_NTWK_VLAN_CONFIG, sizeof(*req),
1960 			       wrb, NULL);
1961 	req->hdr.domain = domain;
1962 
1963 	req->interface_id = if_id;
1964 	req->untagged = BE_IF_FLAGS_UNTAGGED & be_if_cap_flags(adapter) ? 1 : 0;
1965 	req->num_vlan = num;
1966 	memcpy(req->normal_vlan, vtag_array,
1967 	       req->num_vlan * sizeof(vtag_array[0]));
1968 
1969 	status = be_mcc_notify_wait(adapter);
1970 err:
1971 	mutex_unlock(&adapter->mcc_lock);
1972 	return status;
1973 }
1974 
1975 static int __be_cmd_rx_filter(struct be_adapter *adapter, u32 flags, u32 value)
1976 {
1977 	struct be_mcc_wrb *wrb;
1978 	struct be_dma_mem *mem = &adapter->rx_filter;
1979 	struct be_cmd_req_rx_filter *req = mem->va;
1980 	int status;
1981 
1982 	mutex_lock(&adapter->mcc_lock);
1983 
1984 	wrb = wrb_from_mccq(adapter);
1985 	if (!wrb) {
1986 		status = -EBUSY;
1987 		goto err;
1988 	}
1989 	memset(req, 0, sizeof(*req));
1990 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
1991 			       OPCODE_COMMON_NTWK_RX_FILTER, sizeof(*req),
1992 			       wrb, mem);
1993 
1994 	req->if_id = cpu_to_le32(adapter->if_handle);
1995 	req->if_flags_mask = cpu_to_le32(flags);
1996 	req->if_flags = (value == ON) ? req->if_flags_mask : 0;
1997 
1998 	if (flags & BE_IF_FLAGS_MULTICAST) {
1999 		int i;
2000 
2001 		/* Reset mcast promisc mode if already set by setting mask
2002 		 * and not setting flags field
2003 		 */
2004 		req->if_flags_mask |=
2005 			cpu_to_le32(BE_IF_FLAGS_MCAST_PROMISCUOUS &
2006 				    be_if_cap_flags(adapter));
2007 		req->mcast_num = cpu_to_le32(adapter->mc_count);
2008 		for (i = 0; i < adapter->mc_count; i++)
2009 			ether_addr_copy(req->mcast_mac[i].byte,
2010 					adapter->mc_list[i].mac);
2011 	}
2012 
2013 	status = be_mcc_notify_wait(adapter);
2014 err:
2015 	mutex_unlock(&adapter->mcc_lock);
2016 	return status;
2017 }
2018 
2019 int be_cmd_rx_filter(struct be_adapter *adapter, u32 flags, u32 value)
2020 {
2021 	struct device *dev = &adapter->pdev->dev;
2022 
2023 	if ((flags & be_if_cap_flags(adapter)) != flags) {
2024 		dev_warn(dev, "Cannot set rx filter flags 0x%x\n", flags);
2025 		dev_warn(dev, "Interface is capable of 0x%x flags only\n",
2026 			 be_if_cap_flags(adapter));
2027 	}
2028 	flags &= be_if_cap_flags(adapter);
2029 	if (!flags)
2030 		return -ENOTSUPP;
2031 
2032 	return __be_cmd_rx_filter(adapter, flags, value);
2033 }
2034 
2035 /* Uses synchrounous mcc */
2036 int be_cmd_set_flow_control(struct be_adapter *adapter, u32 tx_fc, u32 rx_fc)
2037 {
2038 	struct be_mcc_wrb *wrb;
2039 	struct be_cmd_req_set_flow_control *req;
2040 	int status;
2041 
2042 	if (!be_cmd_allowed(adapter, OPCODE_COMMON_SET_FLOW_CONTROL,
2043 			    CMD_SUBSYSTEM_COMMON))
2044 		return -EPERM;
2045 
2046 	mutex_lock(&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_SET_FLOW_CONTROL, sizeof(*req),
2057 			       wrb, NULL);
2058 
2059 	req->hdr.version = 1;
2060 	req->tx_flow_control = cpu_to_le16((u16)tx_fc);
2061 	req->rx_flow_control = cpu_to_le16((u16)rx_fc);
2062 
2063 	status = be_mcc_notify_wait(adapter);
2064 
2065 err:
2066 	mutex_unlock(&adapter->mcc_lock);
2067 
2068 	if (base_status(status) == MCC_STATUS_FEATURE_NOT_SUPPORTED)
2069 		return  -EOPNOTSUPP;
2070 
2071 	return status;
2072 }
2073 
2074 /* Uses sycn mcc */
2075 int be_cmd_get_flow_control(struct be_adapter *adapter, u32 *tx_fc, u32 *rx_fc)
2076 {
2077 	struct be_mcc_wrb *wrb;
2078 	struct be_cmd_req_get_flow_control *req;
2079 	int status;
2080 
2081 	if (!be_cmd_allowed(adapter, OPCODE_COMMON_GET_FLOW_CONTROL,
2082 			    CMD_SUBSYSTEM_COMMON))
2083 		return -EPERM;
2084 
2085 	mutex_lock(&adapter->mcc_lock);
2086 
2087 	wrb = wrb_from_mccq(adapter);
2088 	if (!wrb) {
2089 		status = -EBUSY;
2090 		goto err;
2091 	}
2092 	req = embedded_payload(wrb);
2093 
2094 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
2095 			       OPCODE_COMMON_GET_FLOW_CONTROL, sizeof(*req),
2096 			       wrb, NULL);
2097 
2098 	status = be_mcc_notify_wait(adapter);
2099 	if (!status) {
2100 		struct be_cmd_resp_get_flow_control *resp =
2101 						embedded_payload(wrb);
2102 
2103 		*tx_fc = le16_to_cpu(resp->tx_flow_control);
2104 		*rx_fc = le16_to_cpu(resp->rx_flow_control);
2105 	}
2106 
2107 err:
2108 	mutex_unlock(&adapter->mcc_lock);
2109 	return status;
2110 }
2111 
2112 /* Uses mbox */
2113 int be_cmd_query_fw_cfg(struct be_adapter *adapter)
2114 {
2115 	struct be_mcc_wrb *wrb;
2116 	struct be_cmd_req_query_fw_cfg *req;
2117 	int status;
2118 
2119 	if (mutex_lock_interruptible(&adapter->mbox_lock))
2120 		return -1;
2121 
2122 	wrb = wrb_from_mbox(adapter);
2123 	req = embedded_payload(wrb);
2124 
2125 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
2126 			       OPCODE_COMMON_QUERY_FIRMWARE_CONFIG,
2127 			       sizeof(*req), wrb, NULL);
2128 
2129 	status = be_mbox_notify_wait(adapter);
2130 	if (!status) {
2131 		struct be_cmd_resp_query_fw_cfg *resp = embedded_payload(wrb);
2132 
2133 		adapter->port_num = le32_to_cpu(resp->phys_port);
2134 		adapter->function_mode = le32_to_cpu(resp->function_mode);
2135 		adapter->function_caps = le32_to_cpu(resp->function_caps);
2136 		adapter->asic_rev = le32_to_cpu(resp->asic_revision) & 0xFF;
2137 		dev_info(&adapter->pdev->dev,
2138 			 "FW config: function_mode=0x%x, function_caps=0x%x\n",
2139 			 adapter->function_mode, adapter->function_caps);
2140 	}
2141 
2142 	mutex_unlock(&adapter->mbox_lock);
2143 	return status;
2144 }
2145 
2146 /* Uses mbox */
2147 int be_cmd_reset_function(struct be_adapter *adapter)
2148 {
2149 	struct be_mcc_wrb *wrb;
2150 	struct be_cmd_req_hdr *req;
2151 	int status;
2152 
2153 	if (lancer_chip(adapter)) {
2154 		iowrite32(SLI_PORT_CONTROL_IP_MASK,
2155 			  adapter->db + SLIPORT_CONTROL_OFFSET);
2156 		status = lancer_wait_ready(adapter);
2157 		if (status)
2158 			dev_err(&adapter->pdev->dev,
2159 				"Adapter in non recoverable error\n");
2160 		return status;
2161 	}
2162 
2163 	if (mutex_lock_interruptible(&adapter->mbox_lock))
2164 		return -1;
2165 
2166 	wrb = wrb_from_mbox(adapter);
2167 	req = embedded_payload(wrb);
2168 
2169 	be_wrb_cmd_hdr_prepare(req, CMD_SUBSYSTEM_COMMON,
2170 			       OPCODE_COMMON_FUNCTION_RESET, sizeof(*req), wrb,
2171 			       NULL);
2172 
2173 	status = be_mbox_notify_wait(adapter);
2174 
2175 	mutex_unlock(&adapter->mbox_lock);
2176 	return status;
2177 }
2178 
2179 int be_cmd_rss_config(struct be_adapter *adapter, u8 *rsstable,
2180 		      u32 rss_hash_opts, u16 table_size, const u8 *rss_hkey)
2181 {
2182 	struct be_mcc_wrb *wrb;
2183 	struct be_cmd_req_rss_config *req;
2184 	int status;
2185 
2186 	if (!(be_if_cap_flags(adapter) & BE_IF_FLAGS_RSS))
2187 		return 0;
2188 
2189 	mutex_lock(&adapter->mcc_lock);
2190 
2191 	wrb = wrb_from_mccq(adapter);
2192 	if (!wrb) {
2193 		status = -EBUSY;
2194 		goto err;
2195 	}
2196 	req = embedded_payload(wrb);
2197 
2198 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH,
2199 			       OPCODE_ETH_RSS_CONFIG, sizeof(*req), wrb, NULL);
2200 
2201 	req->if_id = cpu_to_le32(adapter->if_handle);
2202 	req->enable_rss = cpu_to_le16(rss_hash_opts);
2203 	req->cpu_table_size_log2 = cpu_to_le16(fls(table_size) - 1);
2204 
2205 	if (!BEx_chip(adapter))
2206 		req->hdr.version = 1;
2207 
2208 	memcpy(req->cpu_table, rsstable, table_size);
2209 	memcpy(req->hash, rss_hkey, RSS_HASH_KEY_LEN);
2210 	be_dws_cpu_to_le(req->hash, sizeof(req->hash));
2211 
2212 	status = be_mcc_notify_wait(adapter);
2213 err:
2214 	mutex_unlock(&adapter->mcc_lock);
2215 	return status;
2216 }
2217 
2218 /* Uses sync mcc */
2219 int be_cmd_set_beacon_state(struct be_adapter *adapter, u8 port_num,
2220 			    u8 bcn, u8 sts, u8 state)
2221 {
2222 	struct be_mcc_wrb *wrb;
2223 	struct be_cmd_req_enable_disable_beacon *req;
2224 	int status;
2225 
2226 	mutex_lock(&adapter->mcc_lock);
2227 
2228 	wrb = wrb_from_mccq(adapter);
2229 	if (!wrb) {
2230 		status = -EBUSY;
2231 		goto err;
2232 	}
2233 	req = embedded_payload(wrb);
2234 
2235 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
2236 			       OPCODE_COMMON_ENABLE_DISABLE_BEACON,
2237 			       sizeof(*req), wrb, NULL);
2238 
2239 	req->port_num = port_num;
2240 	req->beacon_state = state;
2241 	req->beacon_duration = bcn;
2242 	req->status_duration = sts;
2243 
2244 	status = be_mcc_notify_wait(adapter);
2245 
2246 err:
2247 	mutex_unlock(&adapter->mcc_lock);
2248 	return status;
2249 }
2250 
2251 /* Uses sync mcc */
2252 int be_cmd_get_beacon_state(struct be_adapter *adapter, u8 port_num, u32 *state)
2253 {
2254 	struct be_mcc_wrb *wrb;
2255 	struct be_cmd_req_get_beacon_state *req;
2256 	int status;
2257 
2258 	mutex_lock(&adapter->mcc_lock);
2259 
2260 	wrb = wrb_from_mccq(adapter);
2261 	if (!wrb) {
2262 		status = -EBUSY;
2263 		goto err;
2264 	}
2265 	req = embedded_payload(wrb);
2266 
2267 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
2268 			       OPCODE_COMMON_GET_BEACON_STATE, sizeof(*req),
2269 			       wrb, NULL);
2270 
2271 	req->port_num = port_num;
2272 
2273 	status = be_mcc_notify_wait(adapter);
2274 	if (!status) {
2275 		struct be_cmd_resp_get_beacon_state *resp =
2276 						embedded_payload(wrb);
2277 
2278 		*state = resp->beacon_state;
2279 	}
2280 
2281 err:
2282 	mutex_unlock(&adapter->mcc_lock);
2283 	return status;
2284 }
2285 
2286 /* Uses sync mcc */
2287 int be_cmd_read_port_transceiver_data(struct be_adapter *adapter,
2288 				      u8 page_num, u8 *data)
2289 {
2290 	struct be_dma_mem cmd;
2291 	struct be_mcc_wrb *wrb;
2292 	struct be_cmd_req_port_type *req;
2293 	int status;
2294 
2295 	if (page_num > TR_PAGE_A2)
2296 		return -EINVAL;
2297 
2298 	cmd.size = sizeof(struct be_cmd_resp_port_type);
2299 	cmd.va = dma_alloc_coherent(&adapter->pdev->dev, cmd.size, &cmd.dma,
2300 				    GFP_ATOMIC);
2301 	if (!cmd.va) {
2302 		dev_err(&adapter->pdev->dev, "Memory allocation failed\n");
2303 		return -ENOMEM;
2304 	}
2305 
2306 	mutex_lock(&adapter->mcc_lock);
2307 
2308 	wrb = wrb_from_mccq(adapter);
2309 	if (!wrb) {
2310 		status = -EBUSY;
2311 		goto err;
2312 	}
2313 	req = cmd.va;
2314 
2315 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
2316 			       OPCODE_COMMON_READ_TRANSRECV_DATA,
2317 			       cmd.size, wrb, &cmd);
2318 
2319 	req->port = cpu_to_le32(adapter->hba_port_num);
2320 	req->page_num = cpu_to_le32(page_num);
2321 	status = be_mcc_notify_wait(adapter);
2322 	if (!status) {
2323 		struct be_cmd_resp_port_type *resp = cmd.va;
2324 
2325 		memcpy(data, resp->page_data, PAGE_DATA_LEN);
2326 	}
2327 err:
2328 	mutex_unlock(&adapter->mcc_lock);
2329 	dma_free_coherent(&adapter->pdev->dev, cmd.size, cmd.va, cmd.dma);
2330 	return status;
2331 }
2332 
2333 static int lancer_cmd_write_object(struct be_adapter *adapter,
2334 				   struct be_dma_mem *cmd, u32 data_size,
2335 				   u32 data_offset, const char *obj_name,
2336 				   u32 *data_written, u8 *change_status,
2337 				   u8 *addn_status)
2338 {
2339 	struct be_mcc_wrb *wrb;
2340 	struct lancer_cmd_req_write_object *req;
2341 	struct lancer_cmd_resp_write_object *resp;
2342 	void *ctxt = NULL;
2343 	int status;
2344 
2345 	mutex_lock(&adapter->mcc_lock);
2346 	adapter->flash_status = 0;
2347 
2348 	wrb = wrb_from_mccq(adapter);
2349 	if (!wrb) {
2350 		status = -EBUSY;
2351 		goto err_unlock;
2352 	}
2353 
2354 	req = embedded_payload(wrb);
2355 
2356 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
2357 			       OPCODE_COMMON_WRITE_OBJECT,
2358 			       sizeof(struct lancer_cmd_req_write_object), wrb,
2359 			       NULL);
2360 
2361 	ctxt = &req->context;
2362 	AMAP_SET_BITS(struct amap_lancer_write_obj_context,
2363 		      write_length, ctxt, data_size);
2364 
2365 	if (data_size == 0)
2366 		AMAP_SET_BITS(struct amap_lancer_write_obj_context,
2367 			      eof, ctxt, 1);
2368 	else
2369 		AMAP_SET_BITS(struct amap_lancer_write_obj_context,
2370 			      eof, ctxt, 0);
2371 
2372 	be_dws_cpu_to_le(ctxt, sizeof(req->context));
2373 	req->write_offset = cpu_to_le32(data_offset);
2374 	strlcpy(req->object_name, obj_name, sizeof(req->object_name));
2375 	req->descriptor_count = cpu_to_le32(1);
2376 	req->buf_len = cpu_to_le32(data_size);
2377 	req->addr_low = cpu_to_le32((cmd->dma +
2378 				     sizeof(struct lancer_cmd_req_write_object))
2379 				    & 0xFFFFFFFF);
2380 	req->addr_high = cpu_to_le32(upper_32_bits(cmd->dma +
2381 				sizeof(struct lancer_cmd_req_write_object)));
2382 
2383 	status = be_mcc_notify(adapter);
2384 	if (status)
2385 		goto err_unlock;
2386 
2387 	mutex_unlock(&adapter->mcc_lock);
2388 
2389 	if (!wait_for_completion_timeout(&adapter->et_cmd_compl,
2390 					 msecs_to_jiffies(60000)))
2391 		status = -ETIMEDOUT;
2392 	else
2393 		status = adapter->flash_status;
2394 
2395 	resp = embedded_payload(wrb);
2396 	if (!status) {
2397 		*data_written = le32_to_cpu(resp->actual_write_len);
2398 		*change_status = resp->change_status;
2399 	} else {
2400 		*addn_status = resp->additional_status;
2401 	}
2402 
2403 	return status;
2404 
2405 err_unlock:
2406 	mutex_unlock(&adapter->mcc_lock);
2407 	return status;
2408 }
2409 
2410 int be_cmd_query_cable_type(struct be_adapter *adapter)
2411 {
2412 	u8 page_data[PAGE_DATA_LEN];
2413 	int status;
2414 
2415 	status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A0,
2416 						   page_data);
2417 	if (!status) {
2418 		switch (adapter->phy.interface_type) {
2419 		case PHY_TYPE_QSFP:
2420 			adapter->phy.cable_type =
2421 				page_data[QSFP_PLUS_CABLE_TYPE_OFFSET];
2422 			break;
2423 		case PHY_TYPE_SFP_PLUS_10GB:
2424 			adapter->phy.cable_type =
2425 				page_data[SFP_PLUS_CABLE_TYPE_OFFSET];
2426 			break;
2427 		default:
2428 			adapter->phy.cable_type = 0;
2429 			break;
2430 		}
2431 	}
2432 	return status;
2433 }
2434 
2435 int be_cmd_query_sfp_info(struct be_adapter *adapter)
2436 {
2437 	u8 page_data[PAGE_DATA_LEN];
2438 	int status;
2439 
2440 	status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A0,
2441 						   page_data);
2442 	if (!status) {
2443 		strlcpy(adapter->phy.vendor_name, page_data +
2444 			SFP_VENDOR_NAME_OFFSET, SFP_VENDOR_NAME_LEN - 1);
2445 		strlcpy(adapter->phy.vendor_pn,
2446 			page_data + SFP_VENDOR_PN_OFFSET,
2447 			SFP_VENDOR_NAME_LEN - 1);
2448 	}
2449 
2450 	return status;
2451 }
2452 
2453 static int lancer_cmd_delete_object(struct be_adapter *adapter,
2454 				    const char *obj_name)
2455 {
2456 	struct lancer_cmd_req_delete_object *req;
2457 	struct be_mcc_wrb *wrb;
2458 	int status;
2459 
2460 	mutex_lock(&adapter->mcc_lock);
2461 
2462 	wrb = wrb_from_mccq(adapter);
2463 	if (!wrb) {
2464 		status = -EBUSY;
2465 		goto err;
2466 	}
2467 
2468 	req = embedded_payload(wrb);
2469 
2470 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
2471 			       OPCODE_COMMON_DELETE_OBJECT,
2472 			       sizeof(*req), wrb, NULL);
2473 
2474 	strlcpy(req->object_name, obj_name, sizeof(req->object_name));
2475 
2476 	status = be_mcc_notify_wait(adapter);
2477 err:
2478 	mutex_unlock(&adapter->mcc_lock);
2479 	return status;
2480 }
2481 
2482 int lancer_cmd_read_object(struct be_adapter *adapter, struct be_dma_mem *cmd,
2483 			   u32 data_size, u32 data_offset, const char *obj_name,
2484 			   u32 *data_read, u32 *eof, u8 *addn_status)
2485 {
2486 	struct be_mcc_wrb *wrb;
2487 	struct lancer_cmd_req_read_object *req;
2488 	struct lancer_cmd_resp_read_object *resp;
2489 	int status;
2490 
2491 	mutex_lock(&adapter->mcc_lock);
2492 
2493 	wrb = wrb_from_mccq(adapter);
2494 	if (!wrb) {
2495 		status = -EBUSY;
2496 		goto err_unlock;
2497 	}
2498 
2499 	req = embedded_payload(wrb);
2500 
2501 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
2502 			       OPCODE_COMMON_READ_OBJECT,
2503 			       sizeof(struct lancer_cmd_req_read_object), wrb,
2504 			       NULL);
2505 
2506 	req->desired_read_len = cpu_to_le32(data_size);
2507 	req->read_offset = cpu_to_le32(data_offset);
2508 	strcpy(req->object_name, obj_name);
2509 	req->descriptor_count = cpu_to_le32(1);
2510 	req->buf_len = cpu_to_le32(data_size);
2511 	req->addr_low = cpu_to_le32((cmd->dma & 0xFFFFFFFF));
2512 	req->addr_high = cpu_to_le32(upper_32_bits(cmd->dma));
2513 
2514 	status = be_mcc_notify_wait(adapter);
2515 
2516 	resp = embedded_payload(wrb);
2517 	if (!status) {
2518 		*data_read = le32_to_cpu(resp->actual_read_len);
2519 		*eof = le32_to_cpu(resp->eof);
2520 	} else {
2521 		*addn_status = resp->additional_status;
2522 	}
2523 
2524 err_unlock:
2525 	mutex_unlock(&adapter->mcc_lock);
2526 	return status;
2527 }
2528 
2529 static int be_cmd_write_flashrom(struct be_adapter *adapter,
2530 				 struct be_dma_mem *cmd, u32 flash_type,
2531 				 u32 flash_opcode, u32 img_offset, u32 buf_size)
2532 {
2533 	struct be_mcc_wrb *wrb;
2534 	struct be_cmd_write_flashrom *req;
2535 	int status;
2536 
2537 	mutex_lock(&adapter->mcc_lock);
2538 	adapter->flash_status = 0;
2539 
2540 	wrb = wrb_from_mccq(adapter);
2541 	if (!wrb) {
2542 		status = -EBUSY;
2543 		goto err_unlock;
2544 	}
2545 	req = cmd->va;
2546 
2547 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
2548 			       OPCODE_COMMON_WRITE_FLASHROM, cmd->size, wrb,
2549 			       cmd);
2550 
2551 	req->params.op_type = cpu_to_le32(flash_type);
2552 	if (flash_type == OPTYPE_OFFSET_SPECIFIED)
2553 		req->params.offset = cpu_to_le32(img_offset);
2554 
2555 	req->params.op_code = cpu_to_le32(flash_opcode);
2556 	req->params.data_buf_size = cpu_to_le32(buf_size);
2557 
2558 	status = be_mcc_notify(adapter);
2559 	if (status)
2560 		goto err_unlock;
2561 
2562 	mutex_unlock(&adapter->mcc_lock);
2563 
2564 	if (!wait_for_completion_timeout(&adapter->et_cmd_compl,
2565 					 msecs_to_jiffies(40000)))
2566 		status = -ETIMEDOUT;
2567 	else
2568 		status = adapter->flash_status;
2569 
2570 	return status;
2571 
2572 err_unlock:
2573 	mutex_unlock(&adapter->mcc_lock);
2574 	return status;
2575 }
2576 
2577 static int be_cmd_get_flash_crc(struct be_adapter *adapter, u8 *flashed_crc,
2578 				u16 img_optype, u32 img_offset, u32 crc_offset)
2579 {
2580 	struct be_cmd_read_flash_crc *req;
2581 	struct be_mcc_wrb *wrb;
2582 	int status;
2583 
2584 	mutex_lock(&adapter->mcc_lock);
2585 
2586 	wrb = wrb_from_mccq(adapter);
2587 	if (!wrb) {
2588 		status = -EBUSY;
2589 		goto err;
2590 	}
2591 	req = embedded_payload(wrb);
2592 
2593 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
2594 			       OPCODE_COMMON_READ_FLASHROM, sizeof(*req),
2595 			       wrb, NULL);
2596 
2597 	req->params.op_type = cpu_to_le32(img_optype);
2598 	if (img_optype == OPTYPE_OFFSET_SPECIFIED)
2599 		req->params.offset = cpu_to_le32(img_offset + crc_offset);
2600 	else
2601 		req->params.offset = cpu_to_le32(crc_offset);
2602 
2603 	req->params.op_code = cpu_to_le32(FLASHROM_OPER_REPORT);
2604 	req->params.data_buf_size = cpu_to_le32(0x4);
2605 
2606 	status = be_mcc_notify_wait(adapter);
2607 	if (!status)
2608 		memcpy(flashed_crc, req->crc, 4);
2609 
2610 err:
2611 	mutex_unlock(&adapter->mcc_lock);
2612 	return status;
2613 }
2614 
2615 static char flash_cookie[2][16] = {"*** SE FLAS", "H DIRECTORY *** "};
2616 
2617 static bool phy_flashing_required(struct be_adapter *adapter)
2618 {
2619 	return (adapter->phy.phy_type == PHY_TYPE_TN_8022 &&
2620 		adapter->phy.interface_type == PHY_TYPE_BASET_10GB);
2621 }
2622 
2623 static bool is_comp_in_ufi(struct be_adapter *adapter,
2624 			   struct flash_section_info *fsec, int type)
2625 {
2626 	int i = 0, img_type = 0;
2627 	struct flash_section_info_g2 *fsec_g2 = NULL;
2628 
2629 	if (BE2_chip(adapter))
2630 		fsec_g2 = (struct flash_section_info_g2 *)fsec;
2631 
2632 	for (i = 0; i < MAX_FLASH_COMP; i++) {
2633 		if (fsec_g2)
2634 			img_type = le32_to_cpu(fsec_g2->fsec_entry[i].type);
2635 		else
2636 			img_type = le32_to_cpu(fsec->fsec_entry[i].type);
2637 
2638 		if (img_type == type)
2639 			return true;
2640 	}
2641 	return false;
2642 }
2643 
2644 static struct flash_section_info *get_fsec_info(struct be_adapter *adapter,
2645 						int header_size,
2646 						const struct firmware *fw)
2647 {
2648 	struct flash_section_info *fsec = NULL;
2649 	const u8 *p = fw->data;
2650 
2651 	p += header_size;
2652 	while (p < (fw->data + fw->size)) {
2653 		fsec = (struct flash_section_info *)p;
2654 		if (!memcmp(flash_cookie, fsec->cookie, sizeof(flash_cookie)))
2655 			return fsec;
2656 		p += 32;
2657 	}
2658 	return NULL;
2659 }
2660 
2661 static int be_check_flash_crc(struct be_adapter *adapter, const u8 *p,
2662 			      u32 img_offset, u32 img_size, int hdr_size,
2663 			      u16 img_optype, bool *crc_match)
2664 {
2665 	u32 crc_offset;
2666 	int status;
2667 	u8 crc[4];
2668 
2669 	status = be_cmd_get_flash_crc(adapter, crc, img_optype, img_offset,
2670 				      img_size - 4);
2671 	if (status)
2672 		return status;
2673 
2674 	crc_offset = hdr_size + img_offset + img_size - 4;
2675 
2676 	/* Skip flashing, if crc of flashed region matches */
2677 	if (!memcmp(crc, p + crc_offset, 4))
2678 		*crc_match = true;
2679 	else
2680 		*crc_match = false;
2681 
2682 	return status;
2683 }
2684 
2685 static int be_flash(struct be_adapter *adapter, const u8 *img,
2686 		    struct be_dma_mem *flash_cmd, int optype, int img_size,
2687 		    u32 img_offset)
2688 {
2689 	u32 flash_op, num_bytes, total_bytes = img_size, bytes_sent = 0;
2690 	struct be_cmd_write_flashrom *req = flash_cmd->va;
2691 	int status;
2692 
2693 	while (total_bytes) {
2694 		num_bytes = min_t(u32, 32 * 1024, total_bytes);
2695 
2696 		total_bytes -= num_bytes;
2697 
2698 		if (!total_bytes) {
2699 			if (optype == OPTYPE_PHY_FW)
2700 				flash_op = FLASHROM_OPER_PHY_FLASH;
2701 			else
2702 				flash_op = FLASHROM_OPER_FLASH;
2703 		} else {
2704 			if (optype == OPTYPE_PHY_FW)
2705 				flash_op = FLASHROM_OPER_PHY_SAVE;
2706 			else
2707 				flash_op = FLASHROM_OPER_SAVE;
2708 		}
2709 
2710 		memcpy(req->data_buf, img, num_bytes);
2711 		img += num_bytes;
2712 		status = be_cmd_write_flashrom(adapter, flash_cmd, optype,
2713 					       flash_op, img_offset +
2714 					       bytes_sent, num_bytes);
2715 		if (base_status(status) == MCC_STATUS_ILLEGAL_REQUEST &&
2716 		    optype == OPTYPE_PHY_FW)
2717 			break;
2718 		else if (status)
2719 			return status;
2720 
2721 		bytes_sent += num_bytes;
2722 	}
2723 	return 0;
2724 }
2725 
2726 #define NCSI_UPDATE_LOG	"NCSI section update is not supported in FW ver %s\n"
2727 static bool be_fw_ncsi_supported(char *ver)
2728 {
2729 	int v1[4] = {3, 102, 148, 0}; /* Min ver that supports NCSI FW */
2730 	int v2[4];
2731 	int i;
2732 
2733 	if (sscanf(ver, "%d.%d.%d.%d", &v2[0], &v2[1], &v2[2], &v2[3]) != 4)
2734 		return false;
2735 
2736 	for (i = 0; i < 4; i++) {
2737 		if (v1[i] < v2[i])
2738 			return true;
2739 		else if (v1[i] > v2[i])
2740 			return false;
2741 	}
2742 
2743 	return true;
2744 }
2745 
2746 /* For BE2, BE3 and BE3-R */
2747 static int be_flash_BEx(struct be_adapter *adapter,
2748 			const struct firmware *fw,
2749 			struct be_dma_mem *flash_cmd, int num_of_images)
2750 {
2751 	int img_hdrs_size = (num_of_images * sizeof(struct image_hdr));
2752 	struct device *dev = &adapter->pdev->dev;
2753 	struct flash_section_info *fsec = NULL;
2754 	int status, i, filehdr_size, num_comp;
2755 	const struct flash_comp *pflashcomp;
2756 	bool crc_match;
2757 	const u8 *p;
2758 
2759 	static const struct flash_comp gen3_flash_types[] = {
2760 		{ BE3_ISCSI_PRIMARY_IMAGE_START, OPTYPE_ISCSI_ACTIVE,
2761 			BE3_COMP_MAX_SIZE, IMAGE_FIRMWARE_ISCSI},
2762 		{ BE3_REDBOOT_START, OPTYPE_REDBOOT,
2763 			BE3_REDBOOT_COMP_MAX_SIZE, IMAGE_BOOT_CODE},
2764 		{ BE3_ISCSI_BIOS_START, OPTYPE_BIOS,
2765 			BE3_BIOS_COMP_MAX_SIZE, IMAGE_OPTION_ROM_ISCSI},
2766 		{ BE3_PXE_BIOS_START, OPTYPE_PXE_BIOS,
2767 			BE3_BIOS_COMP_MAX_SIZE, IMAGE_OPTION_ROM_PXE},
2768 		{ BE3_FCOE_BIOS_START, OPTYPE_FCOE_BIOS,
2769 			BE3_BIOS_COMP_MAX_SIZE, IMAGE_OPTION_ROM_FCOE},
2770 		{ BE3_ISCSI_BACKUP_IMAGE_START, OPTYPE_ISCSI_BACKUP,
2771 			BE3_COMP_MAX_SIZE, IMAGE_FIRMWARE_BACKUP_ISCSI},
2772 		{ BE3_FCOE_PRIMARY_IMAGE_START, OPTYPE_FCOE_FW_ACTIVE,
2773 			BE3_COMP_MAX_SIZE, IMAGE_FIRMWARE_FCOE},
2774 		{ BE3_FCOE_BACKUP_IMAGE_START, OPTYPE_FCOE_FW_BACKUP,
2775 			BE3_COMP_MAX_SIZE, IMAGE_FIRMWARE_BACKUP_FCOE},
2776 		{ BE3_NCSI_START, OPTYPE_NCSI_FW,
2777 			BE3_NCSI_COMP_MAX_SIZE, IMAGE_NCSI},
2778 		{ BE3_PHY_FW_START, OPTYPE_PHY_FW,
2779 			BE3_PHY_FW_COMP_MAX_SIZE, IMAGE_FIRMWARE_PHY}
2780 	};
2781 
2782 	static const struct flash_comp gen2_flash_types[] = {
2783 		{ BE2_ISCSI_PRIMARY_IMAGE_START, OPTYPE_ISCSI_ACTIVE,
2784 			BE2_COMP_MAX_SIZE, IMAGE_FIRMWARE_ISCSI},
2785 		{ BE2_REDBOOT_START, OPTYPE_REDBOOT,
2786 			BE2_REDBOOT_COMP_MAX_SIZE, IMAGE_BOOT_CODE},
2787 		{ BE2_ISCSI_BIOS_START, OPTYPE_BIOS,
2788 			BE2_BIOS_COMP_MAX_SIZE, IMAGE_OPTION_ROM_ISCSI},
2789 		{ BE2_PXE_BIOS_START, OPTYPE_PXE_BIOS,
2790 			BE2_BIOS_COMP_MAX_SIZE, IMAGE_OPTION_ROM_PXE},
2791 		{ BE2_FCOE_BIOS_START, OPTYPE_FCOE_BIOS,
2792 			BE2_BIOS_COMP_MAX_SIZE, IMAGE_OPTION_ROM_FCOE},
2793 		{ BE2_ISCSI_BACKUP_IMAGE_START, OPTYPE_ISCSI_BACKUP,
2794 			BE2_COMP_MAX_SIZE, IMAGE_FIRMWARE_BACKUP_ISCSI},
2795 		{ BE2_FCOE_PRIMARY_IMAGE_START, OPTYPE_FCOE_FW_ACTIVE,
2796 			BE2_COMP_MAX_SIZE, IMAGE_FIRMWARE_FCOE},
2797 		{ BE2_FCOE_BACKUP_IMAGE_START, OPTYPE_FCOE_FW_BACKUP,
2798 			 BE2_COMP_MAX_SIZE, IMAGE_FIRMWARE_BACKUP_FCOE}
2799 	};
2800 
2801 	if (BE3_chip(adapter)) {
2802 		pflashcomp = gen3_flash_types;
2803 		filehdr_size = sizeof(struct flash_file_hdr_g3);
2804 		num_comp = ARRAY_SIZE(gen3_flash_types);
2805 	} else {
2806 		pflashcomp = gen2_flash_types;
2807 		filehdr_size = sizeof(struct flash_file_hdr_g2);
2808 		num_comp = ARRAY_SIZE(gen2_flash_types);
2809 		img_hdrs_size = 0;
2810 	}
2811 
2812 	/* Get flash section info*/
2813 	fsec = get_fsec_info(adapter, filehdr_size + img_hdrs_size, fw);
2814 	if (!fsec) {
2815 		dev_err(dev, "Invalid Cookie. FW image may be corrupted\n");
2816 		return -1;
2817 	}
2818 	for (i = 0; i < num_comp; i++) {
2819 		if (!is_comp_in_ufi(adapter, fsec, pflashcomp[i].img_type))
2820 			continue;
2821 
2822 		if ((pflashcomp[i].optype == OPTYPE_NCSI_FW) &&
2823 		    !be_fw_ncsi_supported(adapter->fw_ver)) {
2824 			dev_info(dev, NCSI_UPDATE_LOG, adapter->fw_ver);
2825 			continue;
2826 		}
2827 
2828 		if (pflashcomp[i].optype == OPTYPE_PHY_FW  &&
2829 		    !phy_flashing_required(adapter))
2830 			continue;
2831 
2832 		if (pflashcomp[i].optype == OPTYPE_REDBOOT) {
2833 			status = be_check_flash_crc(adapter, fw->data,
2834 						    pflashcomp[i].offset,
2835 						    pflashcomp[i].size,
2836 						    filehdr_size +
2837 						    img_hdrs_size,
2838 						    OPTYPE_REDBOOT, &crc_match);
2839 			if (status) {
2840 				dev_err(dev,
2841 					"Could not get CRC for 0x%x region\n",
2842 					pflashcomp[i].optype);
2843 				continue;
2844 			}
2845 
2846 			if (crc_match)
2847 				continue;
2848 		}
2849 
2850 		p = fw->data + filehdr_size + pflashcomp[i].offset +
2851 			img_hdrs_size;
2852 		if (p + pflashcomp[i].size > fw->data + fw->size)
2853 			return -1;
2854 
2855 		status = be_flash(adapter, p, flash_cmd, pflashcomp[i].optype,
2856 				  pflashcomp[i].size, 0);
2857 		if (status) {
2858 			dev_err(dev, "Flashing section type 0x%x failed\n",
2859 				pflashcomp[i].img_type);
2860 			return status;
2861 		}
2862 	}
2863 	return 0;
2864 }
2865 
2866 static u16 be_get_img_optype(struct flash_section_entry fsec_entry)
2867 {
2868 	u32 img_type = le32_to_cpu(fsec_entry.type);
2869 	u16 img_optype = le16_to_cpu(fsec_entry.optype);
2870 
2871 	if (img_optype != 0xFFFF)
2872 		return img_optype;
2873 
2874 	switch (img_type) {
2875 	case IMAGE_FIRMWARE_ISCSI:
2876 		img_optype = OPTYPE_ISCSI_ACTIVE;
2877 		break;
2878 	case IMAGE_BOOT_CODE:
2879 		img_optype = OPTYPE_REDBOOT;
2880 		break;
2881 	case IMAGE_OPTION_ROM_ISCSI:
2882 		img_optype = OPTYPE_BIOS;
2883 		break;
2884 	case IMAGE_OPTION_ROM_PXE:
2885 		img_optype = OPTYPE_PXE_BIOS;
2886 		break;
2887 	case IMAGE_OPTION_ROM_FCOE:
2888 		img_optype = OPTYPE_FCOE_BIOS;
2889 		break;
2890 	case IMAGE_FIRMWARE_BACKUP_ISCSI:
2891 		img_optype = OPTYPE_ISCSI_BACKUP;
2892 		break;
2893 	case IMAGE_NCSI:
2894 		img_optype = OPTYPE_NCSI_FW;
2895 		break;
2896 	case IMAGE_FLASHISM_JUMPVECTOR:
2897 		img_optype = OPTYPE_FLASHISM_JUMPVECTOR;
2898 		break;
2899 	case IMAGE_FIRMWARE_PHY:
2900 		img_optype = OPTYPE_SH_PHY_FW;
2901 		break;
2902 	case IMAGE_REDBOOT_DIR:
2903 		img_optype = OPTYPE_REDBOOT_DIR;
2904 		break;
2905 	case IMAGE_REDBOOT_CONFIG:
2906 		img_optype = OPTYPE_REDBOOT_CONFIG;
2907 		break;
2908 	case IMAGE_UFI_DIR:
2909 		img_optype = OPTYPE_UFI_DIR;
2910 		break;
2911 	default:
2912 		break;
2913 	}
2914 
2915 	return img_optype;
2916 }
2917 
2918 static int be_flash_skyhawk(struct be_adapter *adapter,
2919 			    const struct firmware *fw,
2920 			    struct be_dma_mem *flash_cmd, int num_of_images)
2921 {
2922 	int img_hdrs_size = num_of_images * sizeof(struct image_hdr);
2923 	bool crc_match, old_fw_img, flash_offset_support = true;
2924 	struct device *dev = &adapter->pdev->dev;
2925 	struct flash_section_info *fsec = NULL;
2926 	u32 img_offset, img_size, img_type;
2927 	u16 img_optype, flash_optype;
2928 	int status, i, filehdr_size;
2929 	const u8 *p;
2930 
2931 	filehdr_size = sizeof(struct flash_file_hdr_g3);
2932 	fsec = get_fsec_info(adapter, filehdr_size + img_hdrs_size, fw);
2933 	if (!fsec) {
2934 		dev_err(dev, "Invalid Cookie. FW image may be corrupted\n");
2935 		return -EINVAL;
2936 	}
2937 
2938 retry_flash:
2939 	for (i = 0; i < le32_to_cpu(fsec->fsec_hdr.num_images); i++) {
2940 		img_offset = le32_to_cpu(fsec->fsec_entry[i].offset);
2941 		img_size   = le32_to_cpu(fsec->fsec_entry[i].pad_size);
2942 		img_type   = le32_to_cpu(fsec->fsec_entry[i].type);
2943 		img_optype = be_get_img_optype(fsec->fsec_entry[i]);
2944 		old_fw_img = fsec->fsec_entry[i].optype == 0xFFFF;
2945 
2946 		if (img_optype == 0xFFFF)
2947 			continue;
2948 
2949 		if (flash_offset_support)
2950 			flash_optype = OPTYPE_OFFSET_SPECIFIED;
2951 		else
2952 			flash_optype = img_optype;
2953 
2954 		/* Don't bother verifying CRC if an old FW image is being
2955 		 * flashed
2956 		 */
2957 		if (old_fw_img)
2958 			goto flash;
2959 
2960 		status = be_check_flash_crc(adapter, fw->data, img_offset,
2961 					    img_size, filehdr_size +
2962 					    img_hdrs_size, flash_optype,
2963 					    &crc_match);
2964 		if (base_status(status) == MCC_STATUS_ILLEGAL_REQUEST ||
2965 		    base_status(status) == MCC_STATUS_ILLEGAL_FIELD) {
2966 			/* The current FW image on the card does not support
2967 			 * OFFSET based flashing. Retry using older mechanism
2968 			 * of OPTYPE based flashing
2969 			 */
2970 			if (flash_optype == OPTYPE_OFFSET_SPECIFIED) {
2971 				flash_offset_support = false;
2972 				goto retry_flash;
2973 			}
2974 
2975 			/* The current FW image on the card does not recognize
2976 			 * the new FLASH op_type. The FW download is partially
2977 			 * complete. Reboot the server now to enable FW image
2978 			 * to recognize the new FLASH op_type. To complete the
2979 			 * remaining process, download the same FW again after
2980 			 * the reboot.
2981 			 */
2982 			dev_err(dev, "Flash incomplete. Reset the server\n");
2983 			dev_err(dev, "Download FW image again after reset\n");
2984 			return -EAGAIN;
2985 		} else if (status) {
2986 			dev_err(dev, "Could not get CRC for 0x%x region\n",
2987 				img_optype);
2988 			return -EFAULT;
2989 		}
2990 
2991 		if (crc_match)
2992 			continue;
2993 
2994 flash:
2995 		p = fw->data + filehdr_size + img_offset + img_hdrs_size;
2996 		if (p + img_size > fw->data + fw->size)
2997 			return -1;
2998 
2999 		status = be_flash(adapter, p, flash_cmd, flash_optype, img_size,
3000 				  img_offset);
3001 
3002 		/* The current FW image on the card does not support OFFSET
3003 		 * based flashing. Retry using older mechanism of OPTYPE based
3004 		 * flashing
3005 		 */
3006 		if (base_status(status) == MCC_STATUS_ILLEGAL_FIELD &&
3007 		    flash_optype == OPTYPE_OFFSET_SPECIFIED) {
3008 			flash_offset_support = false;
3009 			goto retry_flash;
3010 		}
3011 
3012 		/* For old FW images ignore ILLEGAL_FIELD error or errors on
3013 		 * UFI_DIR region
3014 		 */
3015 		if (old_fw_img &&
3016 		    (base_status(status) == MCC_STATUS_ILLEGAL_FIELD ||
3017 		     (img_optype == OPTYPE_UFI_DIR &&
3018 		      base_status(status) == MCC_STATUS_FAILED))) {
3019 			continue;
3020 		} else if (status) {
3021 			dev_err(dev, "Flashing section type 0x%x failed\n",
3022 				img_type);
3023 
3024 			switch (addl_status(status)) {
3025 			case MCC_ADDL_STATUS_MISSING_SIGNATURE:
3026 				dev_err(dev,
3027 					"Digital signature missing in FW\n");
3028 				return -EINVAL;
3029 			case MCC_ADDL_STATUS_INVALID_SIGNATURE:
3030 				dev_err(dev,
3031 					"Invalid digital signature in FW\n");
3032 				return -EINVAL;
3033 			default:
3034 				return -EFAULT;
3035 			}
3036 		}
3037 	}
3038 	return 0;
3039 }
3040 
3041 int lancer_fw_download(struct be_adapter *adapter,
3042 		       const struct firmware *fw)
3043 {
3044 	struct device *dev = &adapter->pdev->dev;
3045 	struct be_dma_mem flash_cmd;
3046 	const u8 *data_ptr = NULL;
3047 	u8 *dest_image_ptr = NULL;
3048 	size_t image_size = 0;
3049 	u32 chunk_size = 0;
3050 	u32 data_written = 0;
3051 	u32 offset = 0;
3052 	int status = 0;
3053 	u8 add_status = 0;
3054 	u8 change_status;
3055 
3056 	if (!IS_ALIGNED(fw->size, sizeof(u32))) {
3057 		dev_err(dev, "FW image size should be multiple of 4\n");
3058 		return -EINVAL;
3059 	}
3060 
3061 	flash_cmd.size = sizeof(struct lancer_cmd_req_write_object)
3062 				+ LANCER_FW_DOWNLOAD_CHUNK;
3063 	flash_cmd.va = dma_alloc_coherent(dev, flash_cmd.size, &flash_cmd.dma,
3064 					  GFP_KERNEL);
3065 	if (!flash_cmd.va)
3066 		return -ENOMEM;
3067 
3068 	dest_image_ptr = flash_cmd.va +
3069 				sizeof(struct lancer_cmd_req_write_object);
3070 	image_size = fw->size;
3071 	data_ptr = fw->data;
3072 
3073 	while (image_size) {
3074 		chunk_size = min_t(u32, image_size, LANCER_FW_DOWNLOAD_CHUNK);
3075 
3076 		/* Copy the image chunk content. */
3077 		memcpy(dest_image_ptr, data_ptr, chunk_size);
3078 
3079 		status = lancer_cmd_write_object(adapter, &flash_cmd,
3080 						 chunk_size, offset,
3081 						 LANCER_FW_DOWNLOAD_LOCATION,
3082 						 &data_written, &change_status,
3083 						 &add_status);
3084 		if (status)
3085 			break;
3086 
3087 		offset += data_written;
3088 		data_ptr += data_written;
3089 		image_size -= data_written;
3090 	}
3091 
3092 	if (!status) {
3093 		/* Commit the FW written */
3094 		status = lancer_cmd_write_object(adapter, &flash_cmd,
3095 						 0, offset,
3096 						 LANCER_FW_DOWNLOAD_LOCATION,
3097 						 &data_written, &change_status,
3098 						 &add_status);
3099 	}
3100 
3101 	dma_free_coherent(dev, flash_cmd.size, flash_cmd.va, flash_cmd.dma);
3102 	if (status) {
3103 		dev_err(dev, "Firmware load error\n");
3104 		return be_cmd_status(status);
3105 	}
3106 
3107 	dev_info(dev, "Firmware flashed successfully\n");
3108 
3109 	if (change_status == LANCER_FW_RESET_NEEDED) {
3110 		dev_info(dev, "Resetting adapter to activate new FW\n");
3111 		status = lancer_physdev_ctrl(adapter,
3112 					     PHYSDEV_CONTROL_FW_RESET_MASK);
3113 		if (status) {
3114 			dev_err(dev, "Adapter busy, could not reset FW\n");
3115 			dev_err(dev, "Reboot server to activate new FW\n");
3116 		}
3117 	} else if (change_status != LANCER_NO_RESET_NEEDED) {
3118 		dev_info(dev, "Reboot server to activate new FW\n");
3119 	}
3120 
3121 	return 0;
3122 }
3123 
3124 /* Check if the flash image file is compatible with the adapter that
3125  * is being flashed.
3126  */
3127 static bool be_check_ufi_compatibility(struct be_adapter *adapter,
3128 				       struct flash_file_hdr_g3 *fhdr)
3129 {
3130 	if (!fhdr) {
3131 		dev_err(&adapter->pdev->dev, "Invalid FW UFI file");
3132 		return false;
3133 	}
3134 
3135 	/* First letter of the build version is used to identify
3136 	 * which chip this image file is meant for.
3137 	 */
3138 	switch (fhdr->build[0]) {
3139 	case BLD_STR_UFI_TYPE_SH:
3140 		if (!skyhawk_chip(adapter))
3141 			return false;
3142 		break;
3143 	case BLD_STR_UFI_TYPE_BE3:
3144 		if (!BE3_chip(adapter))
3145 			return false;
3146 		break;
3147 	case BLD_STR_UFI_TYPE_BE2:
3148 		if (!BE2_chip(adapter))
3149 			return false;
3150 		break;
3151 	default:
3152 		return false;
3153 	}
3154 
3155 	/* In BE3 FW images the "asic_type_rev" field doesn't track the
3156 	 * asic_rev of the chips it is compatible with.
3157 	 * When asic_type_rev is 0 the image is compatible only with
3158 	 * pre-BE3-R chips (asic_rev < 0x10)
3159 	 */
3160 	if (BEx_chip(adapter) && fhdr->asic_type_rev == 0)
3161 		return adapter->asic_rev < 0x10;
3162 	else
3163 		return (fhdr->asic_type_rev >= adapter->asic_rev);
3164 }
3165 
3166 int be_fw_download(struct be_adapter *adapter, const struct firmware *fw)
3167 {
3168 	struct device *dev = &adapter->pdev->dev;
3169 	struct flash_file_hdr_g3 *fhdr3;
3170 	struct image_hdr *img_hdr_ptr;
3171 	int status = 0, i, num_imgs;
3172 	struct be_dma_mem flash_cmd;
3173 
3174 	fhdr3 = (struct flash_file_hdr_g3 *)fw->data;
3175 	if (!be_check_ufi_compatibility(adapter, fhdr3)) {
3176 		dev_err(dev, "Flash image is not compatible with adapter\n");
3177 		return -EINVAL;
3178 	}
3179 
3180 	flash_cmd.size = sizeof(struct be_cmd_write_flashrom);
3181 	flash_cmd.va = dma_alloc_coherent(dev, flash_cmd.size, &flash_cmd.dma,
3182 					  GFP_KERNEL);
3183 	if (!flash_cmd.va)
3184 		return -ENOMEM;
3185 
3186 	num_imgs = le32_to_cpu(fhdr3->num_imgs);
3187 	for (i = 0; i < num_imgs; i++) {
3188 		img_hdr_ptr = (struct image_hdr *)(fw->data +
3189 				(sizeof(struct flash_file_hdr_g3) +
3190 				 i * sizeof(struct image_hdr)));
3191 		if (!BE2_chip(adapter) &&
3192 		    le32_to_cpu(img_hdr_ptr->imageid) != 1)
3193 			continue;
3194 
3195 		if (skyhawk_chip(adapter))
3196 			status = be_flash_skyhawk(adapter, fw, &flash_cmd,
3197 						  num_imgs);
3198 		else
3199 			status = be_flash_BEx(adapter, fw, &flash_cmd,
3200 					      num_imgs);
3201 	}
3202 
3203 	dma_free_coherent(dev, flash_cmd.size, flash_cmd.va, flash_cmd.dma);
3204 	if (!status)
3205 		dev_info(dev, "Firmware flashed successfully\n");
3206 
3207 	return status;
3208 }
3209 
3210 int be_cmd_enable_magic_wol(struct be_adapter *adapter, u8 *mac,
3211 			    struct be_dma_mem *nonemb_cmd)
3212 {
3213 	struct be_mcc_wrb *wrb;
3214 	struct be_cmd_req_acpi_wol_magic_config *req;
3215 	int status;
3216 
3217 	mutex_lock(&adapter->mcc_lock);
3218 
3219 	wrb = wrb_from_mccq(adapter);
3220 	if (!wrb) {
3221 		status = -EBUSY;
3222 		goto err;
3223 	}
3224 	req = nonemb_cmd->va;
3225 
3226 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH,
3227 			       OPCODE_ETH_ACPI_WOL_MAGIC_CONFIG, sizeof(*req),
3228 			       wrb, nonemb_cmd);
3229 	memcpy(req->magic_mac, mac, ETH_ALEN);
3230 
3231 	status = be_mcc_notify_wait(adapter);
3232 
3233 err:
3234 	mutex_unlock(&adapter->mcc_lock);
3235 	return status;
3236 }
3237 
3238 int be_cmd_set_loopback(struct be_adapter *adapter, u8 port_num,
3239 			u8 loopback_type, u8 enable)
3240 {
3241 	struct be_mcc_wrb *wrb;
3242 	struct be_cmd_req_set_lmode *req;
3243 	int status;
3244 
3245 	if (!be_cmd_allowed(adapter, OPCODE_LOWLEVEL_SET_LOOPBACK_MODE,
3246 			    CMD_SUBSYSTEM_LOWLEVEL))
3247 		return -EPERM;
3248 
3249 	mutex_lock(&adapter->mcc_lock);
3250 
3251 	wrb = wrb_from_mccq(adapter);
3252 	if (!wrb) {
3253 		status = -EBUSY;
3254 		goto err_unlock;
3255 	}
3256 
3257 	req = embedded_payload(wrb);
3258 
3259 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_LOWLEVEL,
3260 			       OPCODE_LOWLEVEL_SET_LOOPBACK_MODE, sizeof(*req),
3261 			       wrb, NULL);
3262 
3263 	req->src_port = port_num;
3264 	req->dest_port = port_num;
3265 	req->loopback_type = loopback_type;
3266 	req->loopback_state = enable;
3267 
3268 	status = be_mcc_notify(adapter);
3269 	if (status)
3270 		goto err_unlock;
3271 
3272 	mutex_unlock(&adapter->mcc_lock);
3273 
3274 	if (!wait_for_completion_timeout(&adapter->et_cmd_compl,
3275 					 msecs_to_jiffies(SET_LB_MODE_TIMEOUT)))
3276 		status = -ETIMEDOUT;
3277 
3278 	return status;
3279 
3280 err_unlock:
3281 	mutex_unlock(&adapter->mcc_lock);
3282 	return status;
3283 }
3284 
3285 int be_cmd_loopback_test(struct be_adapter *adapter, u32 port_num,
3286 			 u32 loopback_type, u32 pkt_size, u32 num_pkts,
3287 			 u64 pattern)
3288 {
3289 	struct be_mcc_wrb *wrb;
3290 	struct be_cmd_req_loopback_test *req;
3291 	struct be_cmd_resp_loopback_test *resp;
3292 	int status;
3293 
3294 	if (!be_cmd_allowed(adapter, OPCODE_LOWLEVEL_LOOPBACK_TEST,
3295 			    CMD_SUBSYSTEM_LOWLEVEL))
3296 		return -EPERM;
3297 
3298 	mutex_lock(&adapter->mcc_lock);
3299 
3300 	wrb = wrb_from_mccq(adapter);
3301 	if (!wrb) {
3302 		status = -EBUSY;
3303 		goto err;
3304 	}
3305 
3306 	req = embedded_payload(wrb);
3307 
3308 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_LOWLEVEL,
3309 			       OPCODE_LOWLEVEL_LOOPBACK_TEST, sizeof(*req), wrb,
3310 			       NULL);
3311 
3312 	req->hdr.timeout = cpu_to_le32(15);
3313 	req->pattern = cpu_to_le64(pattern);
3314 	req->src_port = cpu_to_le32(port_num);
3315 	req->dest_port = cpu_to_le32(port_num);
3316 	req->pkt_size = cpu_to_le32(pkt_size);
3317 	req->num_pkts = cpu_to_le32(num_pkts);
3318 	req->loopback_type = cpu_to_le32(loopback_type);
3319 
3320 	status = be_mcc_notify(adapter);
3321 	if (status)
3322 		goto err;
3323 
3324 	mutex_unlock(&adapter->mcc_lock);
3325 
3326 	wait_for_completion(&adapter->et_cmd_compl);
3327 	resp = embedded_payload(wrb);
3328 	status = le32_to_cpu(resp->status);
3329 
3330 	return status;
3331 err:
3332 	mutex_unlock(&adapter->mcc_lock);
3333 	return status;
3334 }
3335 
3336 int be_cmd_ddr_dma_test(struct be_adapter *adapter, u64 pattern,
3337 			u32 byte_cnt, struct be_dma_mem *cmd)
3338 {
3339 	struct be_mcc_wrb *wrb;
3340 	struct be_cmd_req_ddrdma_test *req;
3341 	int status;
3342 	int i, j = 0;
3343 
3344 	if (!be_cmd_allowed(adapter, OPCODE_LOWLEVEL_HOST_DDR_DMA,
3345 			    CMD_SUBSYSTEM_LOWLEVEL))
3346 		return -EPERM;
3347 
3348 	mutex_lock(&adapter->mcc_lock);
3349 
3350 	wrb = wrb_from_mccq(adapter);
3351 	if (!wrb) {
3352 		status = -EBUSY;
3353 		goto err;
3354 	}
3355 	req = cmd->va;
3356 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_LOWLEVEL,
3357 			       OPCODE_LOWLEVEL_HOST_DDR_DMA, cmd->size, wrb,
3358 			       cmd);
3359 
3360 	req->pattern = cpu_to_le64(pattern);
3361 	req->byte_count = cpu_to_le32(byte_cnt);
3362 	for (i = 0; i < byte_cnt; i++) {
3363 		req->snd_buff[i] = (u8)(pattern >> (j*8));
3364 		j++;
3365 		if (j > 7)
3366 			j = 0;
3367 	}
3368 
3369 	status = be_mcc_notify_wait(adapter);
3370 
3371 	if (!status) {
3372 		struct be_cmd_resp_ddrdma_test *resp;
3373 
3374 		resp = cmd->va;
3375 		if ((memcmp(resp->rcv_buff, req->snd_buff, byte_cnt) != 0) ||
3376 		    resp->snd_err) {
3377 			status = -1;
3378 		}
3379 	}
3380 
3381 err:
3382 	mutex_unlock(&adapter->mcc_lock);
3383 	return status;
3384 }
3385 
3386 int be_cmd_get_seeprom_data(struct be_adapter *adapter,
3387 			    struct be_dma_mem *nonemb_cmd)
3388 {
3389 	struct be_mcc_wrb *wrb;
3390 	struct be_cmd_req_seeprom_read *req;
3391 	int status;
3392 
3393 	mutex_lock(&adapter->mcc_lock);
3394 
3395 	wrb = wrb_from_mccq(adapter);
3396 	if (!wrb) {
3397 		status = -EBUSY;
3398 		goto err;
3399 	}
3400 	req = nonemb_cmd->va;
3401 
3402 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
3403 			       OPCODE_COMMON_SEEPROM_READ, sizeof(*req), wrb,
3404 			       nonemb_cmd);
3405 
3406 	status = be_mcc_notify_wait(adapter);
3407 
3408 err:
3409 	mutex_unlock(&adapter->mcc_lock);
3410 	return status;
3411 }
3412 
3413 int be_cmd_get_phy_info(struct be_adapter *adapter)
3414 {
3415 	struct be_mcc_wrb *wrb;
3416 	struct be_cmd_req_get_phy_info *req;
3417 	struct be_dma_mem cmd;
3418 	int status;
3419 
3420 	if (!be_cmd_allowed(adapter, OPCODE_COMMON_GET_PHY_DETAILS,
3421 			    CMD_SUBSYSTEM_COMMON))
3422 		return -EPERM;
3423 
3424 	mutex_lock(&adapter->mcc_lock);
3425 
3426 	wrb = wrb_from_mccq(adapter);
3427 	if (!wrb) {
3428 		status = -EBUSY;
3429 		goto err;
3430 	}
3431 	cmd.size = sizeof(struct be_cmd_req_get_phy_info);
3432 	cmd.va = dma_alloc_coherent(&adapter->pdev->dev, cmd.size, &cmd.dma,
3433 				    GFP_ATOMIC);
3434 	if (!cmd.va) {
3435 		dev_err(&adapter->pdev->dev, "Memory alloc failure\n");
3436 		status = -ENOMEM;
3437 		goto err;
3438 	}
3439 
3440 	req = cmd.va;
3441 
3442 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
3443 			       OPCODE_COMMON_GET_PHY_DETAILS, sizeof(*req),
3444 			       wrb, &cmd);
3445 
3446 	status = be_mcc_notify_wait(adapter);
3447 	if (!status) {
3448 		struct be_phy_info *resp_phy_info =
3449 				cmd.va + sizeof(struct be_cmd_req_hdr);
3450 
3451 		adapter->phy.phy_type = le16_to_cpu(resp_phy_info->phy_type);
3452 		adapter->phy.interface_type =
3453 			le16_to_cpu(resp_phy_info->interface_type);
3454 		adapter->phy.auto_speeds_supported =
3455 			le16_to_cpu(resp_phy_info->auto_speeds_supported);
3456 		adapter->phy.fixed_speeds_supported =
3457 			le16_to_cpu(resp_phy_info->fixed_speeds_supported);
3458 		adapter->phy.misc_params =
3459 			le32_to_cpu(resp_phy_info->misc_params);
3460 
3461 		if (BE2_chip(adapter)) {
3462 			adapter->phy.fixed_speeds_supported =
3463 				BE_SUPPORTED_SPEED_10GBPS |
3464 				BE_SUPPORTED_SPEED_1GBPS;
3465 		}
3466 	}
3467 	dma_free_coherent(&adapter->pdev->dev, cmd.size, cmd.va, cmd.dma);
3468 err:
3469 	mutex_unlock(&adapter->mcc_lock);
3470 	return status;
3471 }
3472 
3473 static int be_cmd_set_qos(struct be_adapter *adapter, u32 bps, u32 domain)
3474 {
3475 	struct be_mcc_wrb *wrb;
3476 	struct be_cmd_req_set_qos *req;
3477 	int status;
3478 
3479 	mutex_lock(&adapter->mcc_lock);
3480 
3481 	wrb = wrb_from_mccq(adapter);
3482 	if (!wrb) {
3483 		status = -EBUSY;
3484 		goto err;
3485 	}
3486 
3487 	req = embedded_payload(wrb);
3488 
3489 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
3490 			       OPCODE_COMMON_SET_QOS, sizeof(*req), wrb, NULL);
3491 
3492 	req->hdr.domain = domain;
3493 	req->valid_bits = cpu_to_le32(BE_QOS_BITS_NIC);
3494 	req->max_bps_nic = cpu_to_le32(bps);
3495 
3496 	status = be_mcc_notify_wait(adapter);
3497 
3498 err:
3499 	mutex_unlock(&adapter->mcc_lock);
3500 	return status;
3501 }
3502 
3503 int be_cmd_get_cntl_attributes(struct be_adapter *adapter)
3504 {
3505 	struct be_mcc_wrb *wrb;
3506 	struct be_cmd_req_cntl_attribs *req;
3507 	struct be_cmd_resp_cntl_attribs *resp;
3508 	int status, i;
3509 	int payload_len = max(sizeof(*req), sizeof(*resp));
3510 	struct mgmt_controller_attrib *attribs;
3511 	struct be_dma_mem attribs_cmd;
3512 	u32 *serial_num;
3513 
3514 	if (mutex_lock_interruptible(&adapter->mbox_lock))
3515 		return -1;
3516 
3517 	memset(&attribs_cmd, 0, sizeof(struct be_dma_mem));
3518 	attribs_cmd.size = sizeof(struct be_cmd_resp_cntl_attribs);
3519 	attribs_cmd.va = dma_alloc_coherent(&adapter->pdev->dev,
3520 					    attribs_cmd.size,
3521 					    &attribs_cmd.dma, GFP_ATOMIC);
3522 	if (!attribs_cmd.va) {
3523 		dev_err(&adapter->pdev->dev, "Memory allocation failure\n");
3524 		status = -ENOMEM;
3525 		goto err;
3526 	}
3527 
3528 	wrb = wrb_from_mbox(adapter);
3529 	if (!wrb) {
3530 		status = -EBUSY;
3531 		goto err;
3532 	}
3533 	req = attribs_cmd.va;
3534 
3535 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
3536 			       OPCODE_COMMON_GET_CNTL_ATTRIBUTES, payload_len,
3537 			       wrb, &attribs_cmd);
3538 
3539 	status = be_mbox_notify_wait(adapter);
3540 	if (!status) {
3541 		attribs = attribs_cmd.va + sizeof(struct be_cmd_resp_hdr);
3542 		adapter->hba_port_num = attribs->hba_attribs.phy_port;
3543 		serial_num = attribs->hba_attribs.controller_serial_number;
3544 		for (i = 0; i < CNTL_SERIAL_NUM_WORDS; i++)
3545 			adapter->serial_num[i] = le32_to_cpu(serial_num[i]) &
3546 				(BIT_MASK(16) - 1);
3547 		/* For BEx, since GET_FUNC_CONFIG command is not
3548 		 * supported, we read funcnum here as a workaround.
3549 		 */
3550 		if (BEx_chip(adapter))
3551 			adapter->pf_num = attribs->hba_attribs.pci_funcnum;
3552 	}
3553 
3554 err:
3555 	mutex_unlock(&adapter->mbox_lock);
3556 	if (attribs_cmd.va)
3557 		dma_free_coherent(&adapter->pdev->dev, attribs_cmd.size,
3558 				  attribs_cmd.va, attribs_cmd.dma);
3559 	return status;
3560 }
3561 
3562 /* Uses mbox */
3563 int be_cmd_req_native_mode(struct be_adapter *adapter)
3564 {
3565 	struct be_mcc_wrb *wrb;
3566 	struct be_cmd_req_set_func_cap *req;
3567 	int status;
3568 
3569 	if (mutex_lock_interruptible(&adapter->mbox_lock))
3570 		return -1;
3571 
3572 	wrb = wrb_from_mbox(adapter);
3573 	if (!wrb) {
3574 		status = -EBUSY;
3575 		goto err;
3576 	}
3577 
3578 	req = embedded_payload(wrb);
3579 
3580 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
3581 			       OPCODE_COMMON_SET_DRIVER_FUNCTION_CAP,
3582 			       sizeof(*req), wrb, NULL);
3583 
3584 	req->valid_cap_flags = cpu_to_le32(CAPABILITY_SW_TIMESTAMPS |
3585 				CAPABILITY_BE3_NATIVE_ERX_API);
3586 	req->cap_flags = cpu_to_le32(CAPABILITY_BE3_NATIVE_ERX_API);
3587 
3588 	status = be_mbox_notify_wait(adapter);
3589 	if (!status) {
3590 		struct be_cmd_resp_set_func_cap *resp = embedded_payload(wrb);
3591 
3592 		adapter->be3_native = le32_to_cpu(resp->cap_flags) &
3593 					CAPABILITY_BE3_NATIVE_ERX_API;
3594 		if (!adapter->be3_native)
3595 			dev_warn(&adapter->pdev->dev,
3596 				 "adapter not in advanced mode\n");
3597 	}
3598 err:
3599 	mutex_unlock(&adapter->mbox_lock);
3600 	return status;
3601 }
3602 
3603 /* Get privilege(s) for a function */
3604 int be_cmd_get_fn_privileges(struct be_adapter *adapter, u32 *privilege,
3605 			     u32 domain)
3606 {
3607 	struct be_mcc_wrb *wrb;
3608 	struct be_cmd_req_get_fn_privileges *req;
3609 	int status;
3610 
3611 	mutex_lock(&adapter->mcc_lock);
3612 
3613 	wrb = wrb_from_mccq(adapter);
3614 	if (!wrb) {
3615 		status = -EBUSY;
3616 		goto err;
3617 	}
3618 
3619 	req = embedded_payload(wrb);
3620 
3621 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
3622 			       OPCODE_COMMON_GET_FN_PRIVILEGES, sizeof(*req),
3623 			       wrb, NULL);
3624 
3625 	req->hdr.domain = domain;
3626 
3627 	status = be_mcc_notify_wait(adapter);
3628 	if (!status) {
3629 		struct be_cmd_resp_get_fn_privileges *resp =
3630 						embedded_payload(wrb);
3631 
3632 		*privilege = le32_to_cpu(resp->privilege_mask);
3633 
3634 		/* In UMC mode FW does not return right privileges.
3635 		 * Override with correct privilege equivalent to PF.
3636 		 */
3637 		if (BEx_chip(adapter) && be_is_mc(adapter) &&
3638 		    be_physfn(adapter))
3639 			*privilege = MAX_PRIVILEGES;
3640 	}
3641 
3642 err:
3643 	mutex_unlock(&adapter->mcc_lock);
3644 	return status;
3645 }
3646 
3647 /* Set privilege(s) for a function */
3648 int be_cmd_set_fn_privileges(struct be_adapter *adapter, u32 privileges,
3649 			     u32 domain)
3650 {
3651 	struct be_mcc_wrb *wrb;
3652 	struct be_cmd_req_set_fn_privileges *req;
3653 	int status;
3654 
3655 	mutex_lock(&adapter->mcc_lock);
3656 
3657 	wrb = wrb_from_mccq(adapter);
3658 	if (!wrb) {
3659 		status = -EBUSY;
3660 		goto err;
3661 	}
3662 
3663 	req = embedded_payload(wrb);
3664 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
3665 			       OPCODE_COMMON_SET_FN_PRIVILEGES, sizeof(*req),
3666 			       wrb, NULL);
3667 	req->hdr.domain = domain;
3668 	if (lancer_chip(adapter))
3669 		req->privileges_lancer = cpu_to_le32(privileges);
3670 	else
3671 		req->privileges = cpu_to_le32(privileges);
3672 
3673 	status = be_mcc_notify_wait(adapter);
3674 err:
3675 	mutex_unlock(&adapter->mcc_lock);
3676 	return status;
3677 }
3678 
3679 /* pmac_id_valid: true => pmac_id is supplied and MAC address is requested.
3680  * pmac_id_valid: false => pmac_id or MAC address is requested.
3681  *		  If pmac_id is returned, pmac_id_valid is returned as true
3682  */
3683 int be_cmd_get_mac_from_list(struct be_adapter *adapter, u8 *mac,
3684 			     bool *pmac_id_valid, u32 *pmac_id, u32 if_handle,
3685 			     u8 domain)
3686 {
3687 	struct be_mcc_wrb *wrb;
3688 	struct be_cmd_req_get_mac_list *req;
3689 	int status;
3690 	int mac_count;
3691 	struct be_dma_mem get_mac_list_cmd;
3692 	int i;
3693 
3694 	memset(&get_mac_list_cmd, 0, sizeof(struct be_dma_mem));
3695 	get_mac_list_cmd.size = sizeof(struct be_cmd_resp_get_mac_list);
3696 	get_mac_list_cmd.va = dma_alloc_coherent(&adapter->pdev->dev,
3697 						 get_mac_list_cmd.size,
3698 						 &get_mac_list_cmd.dma,
3699 						 GFP_ATOMIC);
3700 
3701 	if (!get_mac_list_cmd.va) {
3702 		dev_err(&adapter->pdev->dev,
3703 			"Memory allocation failure during GET_MAC_LIST\n");
3704 		return -ENOMEM;
3705 	}
3706 
3707 	mutex_lock(&adapter->mcc_lock);
3708 
3709 	wrb = wrb_from_mccq(adapter);
3710 	if (!wrb) {
3711 		status = -EBUSY;
3712 		goto out;
3713 	}
3714 
3715 	req = get_mac_list_cmd.va;
3716 
3717 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
3718 			       OPCODE_COMMON_GET_MAC_LIST,
3719 			       get_mac_list_cmd.size, wrb, &get_mac_list_cmd);
3720 	req->hdr.domain = domain;
3721 	req->mac_type = MAC_ADDRESS_TYPE_NETWORK;
3722 	if (*pmac_id_valid) {
3723 		req->mac_id = cpu_to_le32(*pmac_id);
3724 		req->iface_id = cpu_to_le16(if_handle);
3725 		req->perm_override = 0;
3726 	} else {
3727 		req->perm_override = 1;
3728 	}
3729 
3730 	status = be_mcc_notify_wait(adapter);
3731 	if (!status) {
3732 		struct be_cmd_resp_get_mac_list *resp =
3733 						get_mac_list_cmd.va;
3734 
3735 		if (*pmac_id_valid) {
3736 			memcpy(mac, resp->macid_macaddr.mac_addr_id.macaddr,
3737 			       ETH_ALEN);
3738 			goto out;
3739 		}
3740 
3741 		mac_count = resp->true_mac_count + resp->pseudo_mac_count;
3742 		/* Mac list returned could contain one or more active mac_ids
3743 		 * or one or more true or pseudo permanent mac addresses.
3744 		 * If an active mac_id is present, return first active mac_id
3745 		 * found.
3746 		 */
3747 		for (i = 0; i < mac_count; i++) {
3748 			struct get_list_macaddr *mac_entry;
3749 			u16 mac_addr_size;
3750 			u32 mac_id;
3751 
3752 			mac_entry = &resp->macaddr_list[i];
3753 			mac_addr_size = le16_to_cpu(mac_entry->mac_addr_size);
3754 			/* mac_id is a 32 bit value and mac_addr size
3755 			 * is 6 bytes
3756 			 */
3757 			if (mac_addr_size == sizeof(u32)) {
3758 				*pmac_id_valid = true;
3759 				mac_id = mac_entry->mac_addr_id.s_mac_id.mac_id;
3760 				*pmac_id = le32_to_cpu(mac_id);
3761 				goto out;
3762 			}
3763 		}
3764 		/* If no active mac_id found, return first mac addr */
3765 		*pmac_id_valid = false;
3766 		memcpy(mac, resp->macaddr_list[0].mac_addr_id.macaddr,
3767 		       ETH_ALEN);
3768 	}
3769 
3770 out:
3771 	mutex_unlock(&adapter->mcc_lock);
3772 	dma_free_coherent(&adapter->pdev->dev, get_mac_list_cmd.size,
3773 			  get_mac_list_cmd.va, get_mac_list_cmd.dma);
3774 	return status;
3775 }
3776 
3777 int be_cmd_get_active_mac(struct be_adapter *adapter, u32 curr_pmac_id,
3778 			  u8 *mac, u32 if_handle, bool active, u32 domain)
3779 {
3780 	if (!active)
3781 		be_cmd_get_mac_from_list(adapter, mac, &active, &curr_pmac_id,
3782 					 if_handle, domain);
3783 	if (BEx_chip(adapter))
3784 		return be_cmd_mac_addr_query(adapter, mac, false,
3785 					     if_handle, curr_pmac_id);
3786 	else
3787 		/* Fetch the MAC address using pmac_id */
3788 		return be_cmd_get_mac_from_list(adapter, mac, &active,
3789 						&curr_pmac_id,
3790 						if_handle, domain);
3791 }
3792 
3793 int be_cmd_get_perm_mac(struct be_adapter *adapter, u8 *mac)
3794 {
3795 	int status;
3796 	bool pmac_valid = false;
3797 
3798 	eth_zero_addr(mac);
3799 
3800 	if (BEx_chip(adapter)) {
3801 		if (be_physfn(adapter))
3802 			status = be_cmd_mac_addr_query(adapter, mac, true, 0,
3803 						       0);
3804 		else
3805 			status = be_cmd_mac_addr_query(adapter, mac, false,
3806 						       adapter->if_handle, 0);
3807 	} else {
3808 		status = be_cmd_get_mac_from_list(adapter, mac, &pmac_valid,
3809 						  NULL, adapter->if_handle, 0);
3810 	}
3811 
3812 	return status;
3813 }
3814 
3815 /* Uses synchronous MCCQ */
3816 int be_cmd_set_mac_list(struct be_adapter *adapter, u8 *mac_array,
3817 			u8 mac_count, u32 domain)
3818 {
3819 	struct be_mcc_wrb *wrb;
3820 	struct be_cmd_req_set_mac_list *req;
3821 	int status;
3822 	struct be_dma_mem cmd;
3823 
3824 	memset(&cmd, 0, sizeof(struct be_dma_mem));
3825 	cmd.size = sizeof(struct be_cmd_req_set_mac_list);
3826 	cmd.va = dma_alloc_coherent(&adapter->pdev->dev, cmd.size, &cmd.dma,
3827 				    GFP_KERNEL);
3828 	if (!cmd.va)
3829 		return -ENOMEM;
3830 
3831 	mutex_lock(&adapter->mcc_lock);
3832 
3833 	wrb = wrb_from_mccq(adapter);
3834 	if (!wrb) {
3835 		status = -EBUSY;
3836 		goto err;
3837 	}
3838 
3839 	req = cmd.va;
3840 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
3841 			       OPCODE_COMMON_SET_MAC_LIST, sizeof(*req),
3842 			       wrb, &cmd);
3843 
3844 	req->hdr.domain = domain;
3845 	req->mac_count = mac_count;
3846 	if (mac_count)
3847 		memcpy(req->mac, mac_array, ETH_ALEN*mac_count);
3848 
3849 	status = be_mcc_notify_wait(adapter);
3850 
3851 err:
3852 	dma_free_coherent(&adapter->pdev->dev, cmd.size, cmd.va, cmd.dma);
3853 	mutex_unlock(&adapter->mcc_lock);
3854 	return status;
3855 }
3856 
3857 /* Wrapper to delete any active MACs and provision the new mac.
3858  * Changes to MAC_LIST are allowed iff none of the MAC addresses in the
3859  * current list are active.
3860  */
3861 int be_cmd_set_mac(struct be_adapter *adapter, u8 *mac, int if_id, u32 dom)
3862 {
3863 	bool active_mac = false;
3864 	u8 old_mac[ETH_ALEN];
3865 	u32 pmac_id;
3866 	int status;
3867 
3868 	status = be_cmd_get_mac_from_list(adapter, old_mac, &active_mac,
3869 					  &pmac_id, if_id, dom);
3870 
3871 	if (!status && active_mac)
3872 		be_cmd_pmac_del(adapter, if_id, pmac_id, dom);
3873 
3874 	return be_cmd_set_mac_list(adapter, mac, mac ? 1 : 0, dom);
3875 }
3876 
3877 int be_cmd_set_hsw_config(struct be_adapter *adapter, u16 pvid,
3878 			  u32 domain, u16 intf_id, u16 hsw_mode, u8 spoofchk)
3879 {
3880 	struct be_mcc_wrb *wrb;
3881 	struct be_cmd_req_set_hsw_config *req;
3882 	void *ctxt;
3883 	int status;
3884 
3885 	if (!be_cmd_allowed(adapter, OPCODE_COMMON_SET_HSW_CONFIG,
3886 			    CMD_SUBSYSTEM_COMMON))
3887 		return -EPERM;
3888 
3889 	mutex_lock(&adapter->mcc_lock);
3890 
3891 	wrb = wrb_from_mccq(adapter);
3892 	if (!wrb) {
3893 		status = -EBUSY;
3894 		goto err;
3895 	}
3896 
3897 	req = embedded_payload(wrb);
3898 	ctxt = &req->context;
3899 
3900 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
3901 			       OPCODE_COMMON_SET_HSW_CONFIG, sizeof(*req), wrb,
3902 			       NULL);
3903 
3904 	req->hdr.domain = domain;
3905 	AMAP_SET_BITS(struct amap_set_hsw_context, interface_id, ctxt, intf_id);
3906 	if (pvid) {
3907 		AMAP_SET_BITS(struct amap_set_hsw_context, pvid_valid, ctxt, 1);
3908 		AMAP_SET_BITS(struct amap_set_hsw_context, pvid, ctxt, pvid);
3909 	}
3910 	if (hsw_mode) {
3911 		AMAP_SET_BITS(struct amap_set_hsw_context, interface_id,
3912 			      ctxt, adapter->hba_port_num);
3913 		AMAP_SET_BITS(struct amap_set_hsw_context, pport, ctxt, 1);
3914 		AMAP_SET_BITS(struct amap_set_hsw_context, port_fwd_type,
3915 			      ctxt, hsw_mode);
3916 	}
3917 
3918 	/* Enable/disable both mac and vlan spoof checking */
3919 	if (!BEx_chip(adapter) && spoofchk) {
3920 		AMAP_SET_BITS(struct amap_set_hsw_context, mac_spoofchk,
3921 			      ctxt, spoofchk);
3922 		AMAP_SET_BITS(struct amap_set_hsw_context, vlan_spoofchk,
3923 			      ctxt, spoofchk);
3924 	}
3925 
3926 	be_dws_cpu_to_le(req->context, sizeof(req->context));
3927 	status = be_mcc_notify_wait(adapter);
3928 
3929 err:
3930 	mutex_unlock(&adapter->mcc_lock);
3931 	return status;
3932 }
3933 
3934 /* Get Hyper switch config */
3935 int be_cmd_get_hsw_config(struct be_adapter *adapter, u16 *pvid,
3936 			  u32 domain, u16 intf_id, u8 *mode, bool *spoofchk)
3937 {
3938 	struct be_mcc_wrb *wrb;
3939 	struct be_cmd_req_get_hsw_config *req;
3940 	void *ctxt;
3941 	int status;
3942 	u16 vid;
3943 
3944 	mutex_lock(&adapter->mcc_lock);
3945 
3946 	wrb = wrb_from_mccq(adapter);
3947 	if (!wrb) {
3948 		status = -EBUSY;
3949 		goto err;
3950 	}
3951 
3952 	req = embedded_payload(wrb);
3953 	ctxt = &req->context;
3954 
3955 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
3956 			       OPCODE_COMMON_GET_HSW_CONFIG, sizeof(*req), wrb,
3957 			       NULL);
3958 
3959 	req->hdr.domain = domain;
3960 	AMAP_SET_BITS(struct amap_get_hsw_req_context, interface_id,
3961 		      ctxt, intf_id);
3962 	AMAP_SET_BITS(struct amap_get_hsw_req_context, pvid_valid, ctxt, 1);
3963 
3964 	if (!BEx_chip(adapter) && mode) {
3965 		AMAP_SET_BITS(struct amap_get_hsw_req_context, interface_id,
3966 			      ctxt, adapter->hba_port_num);
3967 		AMAP_SET_BITS(struct amap_get_hsw_req_context, pport, ctxt, 1);
3968 	}
3969 	be_dws_cpu_to_le(req->context, sizeof(req->context));
3970 
3971 	status = be_mcc_notify_wait(adapter);
3972 	if (!status) {
3973 		struct be_cmd_resp_get_hsw_config *resp =
3974 						embedded_payload(wrb);
3975 
3976 		be_dws_le_to_cpu(&resp->context, sizeof(resp->context));
3977 		vid = AMAP_GET_BITS(struct amap_get_hsw_resp_context,
3978 				    pvid, &resp->context);
3979 		if (pvid)
3980 			*pvid = le16_to_cpu(vid);
3981 		if (mode)
3982 			*mode = AMAP_GET_BITS(struct amap_get_hsw_resp_context,
3983 					      port_fwd_type, &resp->context);
3984 		if (spoofchk)
3985 			*spoofchk =
3986 				AMAP_GET_BITS(struct amap_get_hsw_resp_context,
3987 					      spoofchk, &resp->context);
3988 	}
3989 
3990 err:
3991 	mutex_unlock(&adapter->mcc_lock);
3992 	return status;
3993 }
3994 
3995 static bool be_is_wol_excluded(struct be_adapter *adapter)
3996 {
3997 	struct pci_dev *pdev = adapter->pdev;
3998 
3999 	if (be_virtfn(adapter))
4000 		return true;
4001 
4002 	switch (pdev->subsystem_device) {
4003 	case OC_SUBSYS_DEVICE_ID1:
4004 	case OC_SUBSYS_DEVICE_ID2:
4005 	case OC_SUBSYS_DEVICE_ID3:
4006 	case OC_SUBSYS_DEVICE_ID4:
4007 		return true;
4008 	default:
4009 		return false;
4010 	}
4011 }
4012 
4013 int be_cmd_get_acpi_wol_cap(struct be_adapter *adapter)
4014 {
4015 	struct be_mcc_wrb *wrb;
4016 	struct be_cmd_req_acpi_wol_magic_config_v1 *req;
4017 	int status = 0;
4018 	struct be_dma_mem cmd;
4019 
4020 	if (!be_cmd_allowed(adapter, OPCODE_ETH_ACPI_WOL_MAGIC_CONFIG,
4021 			    CMD_SUBSYSTEM_ETH))
4022 		return -EPERM;
4023 
4024 	if (be_is_wol_excluded(adapter))
4025 		return status;
4026 
4027 	if (mutex_lock_interruptible(&adapter->mbox_lock))
4028 		return -1;
4029 
4030 	memset(&cmd, 0, sizeof(struct be_dma_mem));
4031 	cmd.size = sizeof(struct be_cmd_resp_acpi_wol_magic_config_v1);
4032 	cmd.va = dma_alloc_coherent(&adapter->pdev->dev, cmd.size, &cmd.dma,
4033 				    GFP_ATOMIC);
4034 	if (!cmd.va) {
4035 		dev_err(&adapter->pdev->dev, "Memory allocation failure\n");
4036 		status = -ENOMEM;
4037 		goto err;
4038 	}
4039 
4040 	wrb = wrb_from_mbox(adapter);
4041 	if (!wrb) {
4042 		status = -EBUSY;
4043 		goto err;
4044 	}
4045 
4046 	req = cmd.va;
4047 
4048 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ETH,
4049 			       OPCODE_ETH_ACPI_WOL_MAGIC_CONFIG,
4050 			       sizeof(*req), wrb, &cmd);
4051 
4052 	req->hdr.version = 1;
4053 	req->query_options = BE_GET_WOL_CAP;
4054 
4055 	status = be_mbox_notify_wait(adapter);
4056 	if (!status) {
4057 		struct be_cmd_resp_acpi_wol_magic_config_v1 *resp;
4058 
4059 		resp = (struct be_cmd_resp_acpi_wol_magic_config_v1 *)cmd.va;
4060 
4061 		adapter->wol_cap = resp->wol_settings;
4062 
4063 		/* Non-zero macaddr indicates WOL is enabled */
4064 		if (adapter->wol_cap & BE_WOL_CAP &&
4065 		    !is_zero_ether_addr(resp->magic_mac))
4066 			adapter->wol_en = true;
4067 	}
4068 err:
4069 	mutex_unlock(&adapter->mbox_lock);
4070 	if (cmd.va)
4071 		dma_free_coherent(&adapter->pdev->dev, cmd.size, cmd.va,
4072 				  cmd.dma);
4073 	return status;
4074 
4075 }
4076 
4077 int be_cmd_set_fw_log_level(struct be_adapter *adapter, u32 level)
4078 {
4079 	struct be_dma_mem extfat_cmd;
4080 	struct be_fat_conf_params *cfgs;
4081 	int status;
4082 	int i, j;
4083 
4084 	memset(&extfat_cmd, 0, sizeof(struct be_dma_mem));
4085 	extfat_cmd.size = sizeof(struct be_cmd_resp_get_ext_fat_caps);
4086 	extfat_cmd.va = dma_alloc_coherent(&adapter->pdev->dev,
4087 					   extfat_cmd.size, &extfat_cmd.dma,
4088 					   GFP_ATOMIC);
4089 	if (!extfat_cmd.va)
4090 		return -ENOMEM;
4091 
4092 	status = be_cmd_get_ext_fat_capabilites(adapter, &extfat_cmd);
4093 	if (status)
4094 		goto err;
4095 
4096 	cfgs = (struct be_fat_conf_params *)
4097 			(extfat_cmd.va + sizeof(struct be_cmd_resp_hdr));
4098 	for (i = 0; i < le32_to_cpu(cfgs->num_modules); i++) {
4099 		u32 num_modes = le32_to_cpu(cfgs->module[i].num_modes);
4100 
4101 		for (j = 0; j < num_modes; j++) {
4102 			if (cfgs->module[i].trace_lvl[j].mode == MODE_UART)
4103 				cfgs->module[i].trace_lvl[j].dbg_lvl =
4104 							cpu_to_le32(level);
4105 		}
4106 	}
4107 
4108 	status = be_cmd_set_ext_fat_capabilites(adapter, &extfat_cmd, cfgs);
4109 err:
4110 	dma_free_coherent(&adapter->pdev->dev, extfat_cmd.size, extfat_cmd.va,
4111 			  extfat_cmd.dma);
4112 	return status;
4113 }
4114 
4115 int be_cmd_get_fw_log_level(struct be_adapter *adapter)
4116 {
4117 	struct be_dma_mem extfat_cmd;
4118 	struct be_fat_conf_params *cfgs;
4119 	int status, j;
4120 	int level = 0;
4121 
4122 	memset(&extfat_cmd, 0, sizeof(struct be_dma_mem));
4123 	extfat_cmd.size = sizeof(struct be_cmd_resp_get_ext_fat_caps);
4124 	extfat_cmd.va = dma_alloc_coherent(&adapter->pdev->dev,
4125 					   extfat_cmd.size, &extfat_cmd.dma,
4126 					   GFP_ATOMIC);
4127 
4128 	if (!extfat_cmd.va) {
4129 		dev_err(&adapter->pdev->dev, "%s: Memory allocation failure\n",
4130 			__func__);
4131 		goto err;
4132 	}
4133 
4134 	status = be_cmd_get_ext_fat_capabilites(adapter, &extfat_cmd);
4135 	if (!status) {
4136 		cfgs = (struct be_fat_conf_params *)(extfat_cmd.va +
4137 						sizeof(struct be_cmd_resp_hdr));
4138 
4139 		for (j = 0; j < le32_to_cpu(cfgs->module[0].num_modes); j++) {
4140 			if (cfgs->module[0].trace_lvl[j].mode == MODE_UART)
4141 				level = cfgs->module[0].trace_lvl[j].dbg_lvl;
4142 		}
4143 	}
4144 	dma_free_coherent(&adapter->pdev->dev, extfat_cmd.size, extfat_cmd.va,
4145 			  extfat_cmd.dma);
4146 err:
4147 	return level;
4148 }
4149 
4150 int be_cmd_get_ext_fat_capabilites(struct be_adapter *adapter,
4151 				   struct be_dma_mem *cmd)
4152 {
4153 	struct be_mcc_wrb *wrb;
4154 	struct be_cmd_req_get_ext_fat_caps *req;
4155 	int status;
4156 
4157 	if (!be_cmd_allowed(adapter, OPCODE_COMMON_GET_EXT_FAT_CAPABILITIES,
4158 			    CMD_SUBSYSTEM_COMMON))
4159 		return -EPERM;
4160 
4161 	if (mutex_lock_interruptible(&adapter->mbox_lock))
4162 		return -1;
4163 
4164 	wrb = wrb_from_mbox(adapter);
4165 	if (!wrb) {
4166 		status = -EBUSY;
4167 		goto err;
4168 	}
4169 
4170 	req = cmd->va;
4171 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
4172 			       OPCODE_COMMON_GET_EXT_FAT_CAPABILITIES,
4173 			       cmd->size, wrb, cmd);
4174 	req->parameter_type = cpu_to_le32(1);
4175 
4176 	status = be_mbox_notify_wait(adapter);
4177 err:
4178 	mutex_unlock(&adapter->mbox_lock);
4179 	return status;
4180 }
4181 
4182 int be_cmd_set_ext_fat_capabilites(struct be_adapter *adapter,
4183 				   struct be_dma_mem *cmd,
4184 				   struct be_fat_conf_params *configs)
4185 {
4186 	struct be_mcc_wrb *wrb;
4187 	struct be_cmd_req_set_ext_fat_caps *req;
4188 	int status;
4189 
4190 	mutex_lock(&adapter->mcc_lock);
4191 
4192 	wrb = wrb_from_mccq(adapter);
4193 	if (!wrb) {
4194 		status = -EBUSY;
4195 		goto err;
4196 	}
4197 
4198 	req = cmd->va;
4199 	memcpy(&req->set_params, configs, sizeof(struct be_fat_conf_params));
4200 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
4201 			       OPCODE_COMMON_SET_EXT_FAT_CAPABILITIES,
4202 			       cmd->size, wrb, cmd);
4203 
4204 	status = be_mcc_notify_wait(adapter);
4205 err:
4206 	mutex_unlock(&adapter->mcc_lock);
4207 	return status;
4208 }
4209 
4210 int be_cmd_query_port_name(struct be_adapter *adapter)
4211 {
4212 	struct be_cmd_req_get_port_name *req;
4213 	struct be_mcc_wrb *wrb;
4214 	int status;
4215 
4216 	if (mutex_lock_interruptible(&adapter->mbox_lock))
4217 		return -1;
4218 
4219 	wrb = wrb_from_mbox(adapter);
4220 	req = embedded_payload(wrb);
4221 
4222 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
4223 			       OPCODE_COMMON_GET_PORT_NAME, sizeof(*req), wrb,
4224 			       NULL);
4225 	if (!BEx_chip(adapter))
4226 		req->hdr.version = 1;
4227 
4228 	status = be_mbox_notify_wait(adapter);
4229 	if (!status) {
4230 		struct be_cmd_resp_get_port_name *resp = embedded_payload(wrb);
4231 
4232 		adapter->port_name = resp->port_name[adapter->hba_port_num];
4233 	} else {
4234 		adapter->port_name = adapter->hba_port_num + '0';
4235 	}
4236 
4237 	mutex_unlock(&adapter->mbox_lock);
4238 	return status;
4239 }
4240 
4241 /* When more than 1 NIC descriptor is present in the descriptor list,
4242  * the caller must specify the pf_num to obtain the NIC descriptor
4243  * corresponding to its pci function.
4244  * get_vft must be true when the caller wants the VF-template desc of the
4245  * PF-pool.
4246  * The pf_num should be set to PF_NUM_IGNORE when the caller knows
4247  * that only it's NIC descriptor is present in the descriptor list.
4248  */
4249 static struct be_nic_res_desc *be_get_nic_desc(u8 *buf, u32 desc_count,
4250 					       bool get_vft, u8 pf_num)
4251 {
4252 	struct be_res_desc_hdr *hdr = (struct be_res_desc_hdr *)buf;
4253 	struct be_nic_res_desc *nic;
4254 	int i;
4255 
4256 	for (i = 0; i < desc_count; i++) {
4257 		if (hdr->desc_type == NIC_RESOURCE_DESC_TYPE_V0 ||
4258 		    hdr->desc_type == NIC_RESOURCE_DESC_TYPE_V1) {
4259 			nic = (struct be_nic_res_desc *)hdr;
4260 
4261 			if ((pf_num == PF_NUM_IGNORE ||
4262 			     nic->pf_num == pf_num) &&
4263 			    (!get_vft || nic->flags & BIT(VFT_SHIFT)))
4264 				return nic;
4265 		}
4266 		hdr->desc_len = hdr->desc_len ? : RESOURCE_DESC_SIZE_V0;
4267 		hdr = (void *)hdr + hdr->desc_len;
4268 	}
4269 	return NULL;
4270 }
4271 
4272 static struct be_nic_res_desc *be_get_vft_desc(u8 *buf, u32 desc_count,
4273 					       u8 pf_num)
4274 {
4275 	return be_get_nic_desc(buf, desc_count, true, pf_num);
4276 }
4277 
4278 static struct be_nic_res_desc *be_get_func_nic_desc(u8 *buf, u32 desc_count,
4279 						    u8 pf_num)
4280 {
4281 	return be_get_nic_desc(buf, desc_count, false, pf_num);
4282 }
4283 
4284 static struct be_pcie_res_desc *be_get_pcie_desc(u8 *buf, u32 desc_count,
4285 						 u8 pf_num)
4286 {
4287 	struct be_res_desc_hdr *hdr = (struct be_res_desc_hdr *)buf;
4288 	struct be_pcie_res_desc *pcie;
4289 	int i;
4290 
4291 	for (i = 0; i < desc_count; i++) {
4292 		if (hdr->desc_type == PCIE_RESOURCE_DESC_TYPE_V0 ||
4293 		    hdr->desc_type == PCIE_RESOURCE_DESC_TYPE_V1) {
4294 			pcie = (struct be_pcie_res_desc *)hdr;
4295 			if (pcie->pf_num == pf_num)
4296 				return pcie;
4297 		}
4298 
4299 		hdr->desc_len = hdr->desc_len ? : RESOURCE_DESC_SIZE_V0;
4300 		hdr = (void *)hdr + hdr->desc_len;
4301 	}
4302 	return NULL;
4303 }
4304 
4305 static struct be_port_res_desc *be_get_port_desc(u8 *buf, u32 desc_count)
4306 {
4307 	struct be_res_desc_hdr *hdr = (struct be_res_desc_hdr *)buf;
4308 	int i;
4309 
4310 	for (i = 0; i < desc_count; i++) {
4311 		if (hdr->desc_type == PORT_RESOURCE_DESC_TYPE_V1)
4312 			return (struct be_port_res_desc *)hdr;
4313 
4314 		hdr->desc_len = hdr->desc_len ? : RESOURCE_DESC_SIZE_V0;
4315 		hdr = (void *)hdr + hdr->desc_len;
4316 	}
4317 	return NULL;
4318 }
4319 
4320 static void be_copy_nic_desc(struct be_resources *res,
4321 			     struct be_nic_res_desc *desc)
4322 {
4323 	res->max_uc_mac = le16_to_cpu(desc->unicast_mac_count);
4324 	res->max_vlans = le16_to_cpu(desc->vlan_count);
4325 	res->max_mcast_mac = le16_to_cpu(desc->mcast_mac_count);
4326 	res->max_tx_qs = le16_to_cpu(desc->txq_count);
4327 	res->max_rss_qs = le16_to_cpu(desc->rssq_count);
4328 	res->max_rx_qs = le16_to_cpu(desc->rq_count);
4329 	res->max_evt_qs = le16_to_cpu(desc->eq_count);
4330 	res->max_cq_count = le16_to_cpu(desc->cq_count);
4331 	res->max_iface_count = le16_to_cpu(desc->iface_count);
4332 	res->max_mcc_count = le16_to_cpu(desc->mcc_count);
4333 	/* Clear flags that driver is not interested in */
4334 	res->if_cap_flags = le32_to_cpu(desc->cap_flags) &
4335 				BE_IF_CAP_FLAGS_WANT;
4336 }
4337 
4338 /* Uses Mbox */
4339 int be_cmd_get_func_config(struct be_adapter *adapter, struct be_resources *res)
4340 {
4341 	struct be_mcc_wrb *wrb;
4342 	struct be_cmd_req_get_func_config *req;
4343 	int status;
4344 	struct be_dma_mem cmd;
4345 
4346 	if (mutex_lock_interruptible(&adapter->mbox_lock))
4347 		return -1;
4348 
4349 	memset(&cmd, 0, sizeof(struct be_dma_mem));
4350 	cmd.size = sizeof(struct be_cmd_resp_get_func_config);
4351 	cmd.va = dma_alloc_coherent(&adapter->pdev->dev, cmd.size, &cmd.dma,
4352 				    GFP_ATOMIC);
4353 	if (!cmd.va) {
4354 		dev_err(&adapter->pdev->dev, "Memory alloc failure\n");
4355 		status = -ENOMEM;
4356 		goto err;
4357 	}
4358 
4359 	wrb = wrb_from_mbox(adapter);
4360 	if (!wrb) {
4361 		status = -EBUSY;
4362 		goto err;
4363 	}
4364 
4365 	req = cmd.va;
4366 
4367 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
4368 			       OPCODE_COMMON_GET_FUNC_CONFIG,
4369 			       cmd.size, wrb, &cmd);
4370 
4371 	if (skyhawk_chip(adapter))
4372 		req->hdr.version = 1;
4373 
4374 	status = be_mbox_notify_wait(adapter);
4375 	if (!status) {
4376 		struct be_cmd_resp_get_func_config *resp = cmd.va;
4377 		u32 desc_count = le32_to_cpu(resp->desc_count);
4378 		struct be_nic_res_desc *desc;
4379 
4380 		/* GET_FUNC_CONFIG returns resource descriptors of the
4381 		 * current function only. So, pf_num should be set to
4382 		 * PF_NUM_IGNORE.
4383 		 */
4384 		desc = be_get_func_nic_desc(resp->func_param, desc_count,
4385 					    PF_NUM_IGNORE);
4386 		if (!desc) {
4387 			status = -EINVAL;
4388 			goto err;
4389 		}
4390 
4391 		/* Store pf_num & vf_num for later use in GET_PROFILE_CONFIG */
4392 		adapter->pf_num = desc->pf_num;
4393 		adapter->vf_num = desc->vf_num;
4394 
4395 		if (res)
4396 			be_copy_nic_desc(res, desc);
4397 	}
4398 err:
4399 	mutex_unlock(&adapter->mbox_lock);
4400 	if (cmd.va)
4401 		dma_free_coherent(&adapter->pdev->dev, cmd.size, cmd.va,
4402 				  cmd.dma);
4403 	return status;
4404 }
4405 
4406 /* This routine returns a list of all the NIC PF_nums in the adapter */
4407 static u16 be_get_nic_pf_num_list(u8 *buf, u32 desc_count, u16 *nic_pf_nums)
4408 {
4409 	struct be_res_desc_hdr *hdr = (struct be_res_desc_hdr *)buf;
4410 	struct be_pcie_res_desc *pcie = NULL;
4411 	int i;
4412 	u16 nic_pf_count = 0;
4413 
4414 	for (i = 0; i < desc_count; i++) {
4415 		if (hdr->desc_type == PCIE_RESOURCE_DESC_TYPE_V0 ||
4416 		    hdr->desc_type == PCIE_RESOURCE_DESC_TYPE_V1) {
4417 			pcie = (struct be_pcie_res_desc *)hdr;
4418 			if (pcie->pf_state && (pcie->pf_type == MISSION_NIC ||
4419 					       pcie->pf_type == MISSION_RDMA)) {
4420 				nic_pf_nums[nic_pf_count++] = pcie->pf_num;
4421 			}
4422 		}
4423 
4424 		hdr->desc_len = hdr->desc_len ? : RESOURCE_DESC_SIZE_V0;
4425 		hdr = (void *)hdr + hdr->desc_len;
4426 	}
4427 	return nic_pf_count;
4428 }
4429 
4430 /* Will use MBOX only if MCCQ has not been created */
4431 int be_cmd_get_profile_config(struct be_adapter *adapter,
4432 			      struct be_resources *res,
4433 			      struct be_port_resources *port_res,
4434 			      u8 profile_type, u8 query, u8 domain)
4435 {
4436 	struct be_cmd_resp_get_profile_config *resp;
4437 	struct be_cmd_req_get_profile_config *req;
4438 	struct be_nic_res_desc *vf_res;
4439 	struct be_pcie_res_desc *pcie;
4440 	struct be_port_res_desc *port;
4441 	struct be_nic_res_desc *nic;
4442 	struct be_mcc_wrb wrb = {0};
4443 	struct be_dma_mem cmd;
4444 	u16 desc_count;
4445 	int status;
4446 
4447 	memset(&cmd, 0, sizeof(struct be_dma_mem));
4448 	cmd.size = sizeof(struct be_cmd_resp_get_profile_config);
4449 	cmd.va = dma_alloc_coherent(&adapter->pdev->dev, cmd.size, &cmd.dma,
4450 				    GFP_ATOMIC);
4451 	if (!cmd.va)
4452 		return -ENOMEM;
4453 
4454 	req = cmd.va;
4455 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
4456 			       OPCODE_COMMON_GET_PROFILE_CONFIG,
4457 			       cmd.size, &wrb, &cmd);
4458 
4459 	if (!lancer_chip(adapter))
4460 		req->hdr.version = 1;
4461 	req->type = profile_type;
4462 	req->hdr.domain = domain;
4463 
4464 	/* When QUERY_MODIFIABLE_FIELDS_TYPE bit is set, cmd returns the
4465 	 * descriptors with all bits set to "1" for the fields which can be
4466 	 * modified using SET_PROFILE_CONFIG cmd.
4467 	 */
4468 	if (query == RESOURCE_MODIFIABLE)
4469 		req->type |= QUERY_MODIFIABLE_FIELDS_TYPE;
4470 
4471 	status = be_cmd_notify_wait(adapter, &wrb);
4472 	if (status)
4473 		goto err;
4474 
4475 	resp = cmd.va;
4476 	desc_count = le16_to_cpu(resp->desc_count);
4477 
4478 	if (port_res) {
4479 		u16 nic_pf_cnt = 0, i;
4480 		u16 nic_pf_num_list[MAX_NIC_FUNCS];
4481 
4482 		nic_pf_cnt = be_get_nic_pf_num_list(resp->func_param,
4483 						    desc_count,
4484 						    nic_pf_num_list);
4485 
4486 		for (i = 0; i < nic_pf_cnt; i++) {
4487 			nic = be_get_func_nic_desc(resp->func_param, desc_count,
4488 						   nic_pf_num_list[i]);
4489 			if (nic->link_param == adapter->port_num) {
4490 				port_res->nic_pfs++;
4491 				pcie = be_get_pcie_desc(resp->func_param,
4492 							desc_count,
4493 							nic_pf_num_list[i]);
4494 				port_res->max_vfs += le16_to_cpu(pcie->num_vfs);
4495 			}
4496 		}
4497 		goto err;
4498 	}
4499 
4500 	pcie = be_get_pcie_desc(resp->func_param, desc_count,
4501 				adapter->pf_num);
4502 	if (pcie)
4503 		res->max_vfs = le16_to_cpu(pcie->num_vfs);
4504 
4505 	port = be_get_port_desc(resp->func_param, desc_count);
4506 	if (port)
4507 		adapter->mc_type = port->mc_type;
4508 
4509 	nic = be_get_func_nic_desc(resp->func_param, desc_count,
4510 				   adapter->pf_num);
4511 	if (nic)
4512 		be_copy_nic_desc(res, nic);
4513 
4514 	vf_res = be_get_vft_desc(resp->func_param, desc_count,
4515 				 adapter->pf_num);
4516 	if (vf_res)
4517 		res->vf_if_cap_flags = vf_res->cap_flags;
4518 err:
4519 	if (cmd.va)
4520 		dma_free_coherent(&adapter->pdev->dev, cmd.size, cmd.va,
4521 				  cmd.dma);
4522 	return status;
4523 }
4524 
4525 /* Will use MBOX only if MCCQ has not been created */
4526 static int be_cmd_set_profile_config(struct be_adapter *adapter, void *desc,
4527 				     int size, int count, u8 version, u8 domain)
4528 {
4529 	struct be_cmd_req_set_profile_config *req;
4530 	struct be_mcc_wrb wrb = {0};
4531 	struct be_dma_mem cmd;
4532 	int status;
4533 
4534 	memset(&cmd, 0, sizeof(struct be_dma_mem));
4535 	cmd.size = sizeof(struct be_cmd_req_set_profile_config);
4536 	cmd.va = dma_alloc_coherent(&adapter->pdev->dev, cmd.size, &cmd.dma,
4537 				    GFP_ATOMIC);
4538 	if (!cmd.va)
4539 		return -ENOMEM;
4540 
4541 	req = cmd.va;
4542 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
4543 			       OPCODE_COMMON_SET_PROFILE_CONFIG, cmd.size,
4544 			       &wrb, &cmd);
4545 	req->hdr.version = version;
4546 	req->hdr.domain = domain;
4547 	req->desc_count = cpu_to_le32(count);
4548 	memcpy(req->desc, desc, size);
4549 
4550 	status = be_cmd_notify_wait(adapter, &wrb);
4551 
4552 	if (cmd.va)
4553 		dma_free_coherent(&adapter->pdev->dev, cmd.size, cmd.va,
4554 				  cmd.dma);
4555 	return status;
4556 }
4557 
4558 /* Mark all fields invalid */
4559 static void be_reset_nic_desc(struct be_nic_res_desc *nic)
4560 {
4561 	memset(nic, 0, sizeof(*nic));
4562 	nic->unicast_mac_count = 0xFFFF;
4563 	nic->mcc_count = 0xFFFF;
4564 	nic->vlan_count = 0xFFFF;
4565 	nic->mcast_mac_count = 0xFFFF;
4566 	nic->txq_count = 0xFFFF;
4567 	nic->rq_count = 0xFFFF;
4568 	nic->rssq_count = 0xFFFF;
4569 	nic->lro_count = 0xFFFF;
4570 	nic->cq_count = 0xFFFF;
4571 	nic->toe_conn_count = 0xFFFF;
4572 	nic->eq_count = 0xFFFF;
4573 	nic->iface_count = 0xFFFF;
4574 	nic->link_param = 0xFF;
4575 	nic->channel_id_param = cpu_to_le16(0xF000);
4576 	nic->acpi_params = 0xFF;
4577 	nic->wol_param = 0x0F;
4578 	nic->tunnel_iface_count = 0xFFFF;
4579 	nic->direct_tenant_iface_count = 0xFFFF;
4580 	nic->bw_min = 0xFFFFFFFF;
4581 	nic->bw_max = 0xFFFFFFFF;
4582 }
4583 
4584 /* Mark all fields invalid */
4585 static void be_reset_pcie_desc(struct be_pcie_res_desc *pcie)
4586 {
4587 	memset(pcie, 0, sizeof(*pcie));
4588 	pcie->sriov_state = 0xFF;
4589 	pcie->pf_state = 0xFF;
4590 	pcie->pf_type = 0xFF;
4591 	pcie->num_vfs = 0xFFFF;
4592 }
4593 
4594 int be_cmd_config_qos(struct be_adapter *adapter, u32 max_rate, u16 link_speed,
4595 		      u8 domain)
4596 {
4597 	struct be_nic_res_desc nic_desc;
4598 	u32 bw_percent;
4599 	u16 version = 0;
4600 
4601 	if (BE3_chip(adapter))
4602 		return be_cmd_set_qos(adapter, max_rate / 10, domain);
4603 
4604 	be_reset_nic_desc(&nic_desc);
4605 	nic_desc.pf_num = adapter->pf_num;
4606 	nic_desc.vf_num = domain;
4607 	nic_desc.bw_min = 0;
4608 	if (lancer_chip(adapter)) {
4609 		nic_desc.hdr.desc_type = NIC_RESOURCE_DESC_TYPE_V0;
4610 		nic_desc.hdr.desc_len = RESOURCE_DESC_SIZE_V0;
4611 		nic_desc.flags = (1 << QUN_SHIFT) | (1 << IMM_SHIFT) |
4612 					(1 << NOSV_SHIFT);
4613 		nic_desc.bw_max = cpu_to_le32(max_rate / 10);
4614 	} else {
4615 		version = 1;
4616 		nic_desc.hdr.desc_type = NIC_RESOURCE_DESC_TYPE_V1;
4617 		nic_desc.hdr.desc_len = RESOURCE_DESC_SIZE_V1;
4618 		nic_desc.flags = (1 << IMM_SHIFT) | (1 << NOSV_SHIFT);
4619 		bw_percent = max_rate ? (max_rate * 100) / link_speed : 100;
4620 		nic_desc.bw_max = cpu_to_le32(bw_percent);
4621 	}
4622 
4623 	return be_cmd_set_profile_config(adapter, &nic_desc,
4624 					 nic_desc.hdr.desc_len,
4625 					 1, version, domain);
4626 }
4627 
4628 int be_cmd_set_sriov_config(struct be_adapter *adapter,
4629 			    struct be_resources pool_res, u16 num_vfs,
4630 			    struct be_resources *vft_res)
4631 {
4632 	struct {
4633 		struct be_pcie_res_desc pcie;
4634 		struct be_nic_res_desc nic_vft;
4635 	} __packed desc;
4636 
4637 	/* PF PCIE descriptor */
4638 	be_reset_pcie_desc(&desc.pcie);
4639 	desc.pcie.hdr.desc_type = PCIE_RESOURCE_DESC_TYPE_V1;
4640 	desc.pcie.hdr.desc_len = RESOURCE_DESC_SIZE_V1;
4641 	desc.pcie.flags = BIT(IMM_SHIFT) | BIT(NOSV_SHIFT);
4642 	desc.pcie.pf_num = adapter->pdev->devfn;
4643 	desc.pcie.sriov_state = num_vfs ? 1 : 0;
4644 	desc.pcie.num_vfs = cpu_to_le16(num_vfs);
4645 
4646 	/* VF NIC Template descriptor */
4647 	be_reset_nic_desc(&desc.nic_vft);
4648 	desc.nic_vft.hdr.desc_type = NIC_RESOURCE_DESC_TYPE_V1;
4649 	desc.nic_vft.hdr.desc_len = RESOURCE_DESC_SIZE_V1;
4650 	desc.nic_vft.flags = vft_res->flags | BIT(VFT_SHIFT) |
4651 			     BIT(IMM_SHIFT) | BIT(NOSV_SHIFT);
4652 	desc.nic_vft.pf_num = adapter->pdev->devfn;
4653 	desc.nic_vft.vf_num = 0;
4654 	desc.nic_vft.cap_flags = cpu_to_le32(vft_res->vf_if_cap_flags);
4655 	desc.nic_vft.rq_count = cpu_to_le16(vft_res->max_rx_qs);
4656 	desc.nic_vft.txq_count = cpu_to_le16(vft_res->max_tx_qs);
4657 	desc.nic_vft.rssq_count = cpu_to_le16(vft_res->max_rss_qs);
4658 	desc.nic_vft.cq_count = cpu_to_le16(vft_res->max_cq_count);
4659 
4660 	if (vft_res->max_uc_mac)
4661 		desc.nic_vft.unicast_mac_count =
4662 					cpu_to_le16(vft_res->max_uc_mac);
4663 	if (vft_res->max_vlans)
4664 		desc.nic_vft.vlan_count = cpu_to_le16(vft_res->max_vlans);
4665 	if (vft_res->max_iface_count)
4666 		desc.nic_vft.iface_count =
4667 				cpu_to_le16(vft_res->max_iface_count);
4668 	if (vft_res->max_mcc_count)
4669 		desc.nic_vft.mcc_count = cpu_to_le16(vft_res->max_mcc_count);
4670 
4671 	return be_cmd_set_profile_config(adapter, &desc,
4672 					 2 * RESOURCE_DESC_SIZE_V1, 2, 1, 0);
4673 }
4674 
4675 int be_cmd_manage_iface(struct be_adapter *adapter, u32 iface, u8 op)
4676 {
4677 	struct be_mcc_wrb *wrb;
4678 	struct be_cmd_req_manage_iface_filters *req;
4679 	int status;
4680 
4681 	if (iface == 0xFFFFFFFF)
4682 		return -1;
4683 
4684 	mutex_lock(&adapter->mcc_lock);
4685 
4686 	wrb = wrb_from_mccq(adapter);
4687 	if (!wrb) {
4688 		status = -EBUSY;
4689 		goto err;
4690 	}
4691 	req = embedded_payload(wrb);
4692 
4693 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
4694 			       OPCODE_COMMON_MANAGE_IFACE_FILTERS, sizeof(*req),
4695 			       wrb, NULL);
4696 	req->op = op;
4697 	req->target_iface_id = cpu_to_le32(iface);
4698 
4699 	status = be_mcc_notify_wait(adapter);
4700 err:
4701 	mutex_unlock(&adapter->mcc_lock);
4702 	return status;
4703 }
4704 
4705 int be_cmd_set_vxlan_port(struct be_adapter *adapter, __be16 port)
4706 {
4707 	struct be_port_res_desc port_desc;
4708 
4709 	memset(&port_desc, 0, sizeof(port_desc));
4710 	port_desc.hdr.desc_type = PORT_RESOURCE_DESC_TYPE_V1;
4711 	port_desc.hdr.desc_len = RESOURCE_DESC_SIZE_V1;
4712 	port_desc.flags = (1 << IMM_SHIFT) | (1 << NOSV_SHIFT);
4713 	port_desc.link_num = adapter->hba_port_num;
4714 	if (port) {
4715 		port_desc.nv_flags = NV_TYPE_VXLAN | (1 << SOCVID_SHIFT) |
4716 					(1 << RCVID_SHIFT);
4717 		port_desc.nv_port = swab16(port);
4718 	} else {
4719 		port_desc.nv_flags = NV_TYPE_DISABLED;
4720 		port_desc.nv_port = 0;
4721 	}
4722 
4723 	return be_cmd_set_profile_config(adapter, &port_desc,
4724 					 RESOURCE_DESC_SIZE_V1, 1, 1, 0);
4725 }
4726 
4727 int be_cmd_get_if_id(struct be_adapter *adapter, struct be_vf_cfg *vf_cfg,
4728 		     int vf_num)
4729 {
4730 	struct be_mcc_wrb *wrb;
4731 	struct be_cmd_req_get_iface_list *req;
4732 	struct be_cmd_resp_get_iface_list *resp;
4733 	int status;
4734 
4735 	mutex_lock(&adapter->mcc_lock);
4736 
4737 	wrb = wrb_from_mccq(adapter);
4738 	if (!wrb) {
4739 		status = -EBUSY;
4740 		goto err;
4741 	}
4742 	req = embedded_payload(wrb);
4743 
4744 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
4745 			       OPCODE_COMMON_GET_IFACE_LIST, sizeof(*resp),
4746 			       wrb, NULL);
4747 	req->hdr.domain = vf_num + 1;
4748 
4749 	status = be_mcc_notify_wait(adapter);
4750 	if (!status) {
4751 		resp = (struct be_cmd_resp_get_iface_list *)req;
4752 		vf_cfg->if_handle = le32_to_cpu(resp->if_desc.if_id);
4753 	}
4754 
4755 err:
4756 	mutex_unlock(&adapter->mcc_lock);
4757 	return status;
4758 }
4759 
4760 static int lancer_wait_idle(struct be_adapter *adapter)
4761 {
4762 #define SLIPORT_IDLE_TIMEOUT 30
4763 	u32 reg_val;
4764 	int status = 0, i;
4765 
4766 	for (i = 0; i < SLIPORT_IDLE_TIMEOUT; i++) {
4767 		reg_val = ioread32(adapter->db + PHYSDEV_CONTROL_OFFSET);
4768 		if ((reg_val & PHYSDEV_CONTROL_INP_MASK) == 0)
4769 			break;
4770 
4771 		ssleep(1);
4772 	}
4773 
4774 	if (i == SLIPORT_IDLE_TIMEOUT)
4775 		status = -1;
4776 
4777 	return status;
4778 }
4779 
4780 int lancer_physdev_ctrl(struct be_adapter *adapter, u32 mask)
4781 {
4782 	int status = 0;
4783 
4784 	status = lancer_wait_idle(adapter);
4785 	if (status)
4786 		return status;
4787 
4788 	iowrite32(mask, adapter->db + PHYSDEV_CONTROL_OFFSET);
4789 
4790 	return status;
4791 }
4792 
4793 /* Routine to check whether dump image is present or not */
4794 bool dump_present(struct be_adapter *adapter)
4795 {
4796 	u32 sliport_status = 0;
4797 
4798 	sliport_status = ioread32(adapter->db + SLIPORT_STATUS_OFFSET);
4799 	return !!(sliport_status & SLIPORT_STATUS_DIP_MASK);
4800 }
4801 
4802 int lancer_initiate_dump(struct be_adapter *adapter)
4803 {
4804 	struct device *dev = &adapter->pdev->dev;
4805 	int status;
4806 
4807 	if (dump_present(adapter)) {
4808 		dev_info(dev, "Previous dump not cleared, not forcing dump\n");
4809 		return -EEXIST;
4810 	}
4811 
4812 	/* give firmware reset and diagnostic dump */
4813 	status = lancer_physdev_ctrl(adapter, PHYSDEV_CONTROL_FW_RESET_MASK |
4814 				     PHYSDEV_CONTROL_DD_MASK);
4815 	if (status < 0) {
4816 		dev_err(dev, "FW reset failed\n");
4817 		return status;
4818 	}
4819 
4820 	status = lancer_wait_idle(adapter);
4821 	if (status)
4822 		return status;
4823 
4824 	if (!dump_present(adapter)) {
4825 		dev_err(dev, "FW dump not generated\n");
4826 		return -EIO;
4827 	}
4828 
4829 	return 0;
4830 }
4831 
4832 int lancer_delete_dump(struct be_adapter *adapter)
4833 {
4834 	int status;
4835 
4836 	status = lancer_cmd_delete_object(adapter, LANCER_FW_DUMP_FILE);
4837 	return be_cmd_status(status);
4838 }
4839 
4840 /* Uses sync mcc */
4841 int be_cmd_enable_vf(struct be_adapter *adapter, u8 domain)
4842 {
4843 	struct be_mcc_wrb *wrb;
4844 	struct be_cmd_enable_disable_vf *req;
4845 	int status;
4846 
4847 	if (BEx_chip(adapter))
4848 		return 0;
4849 
4850 	mutex_lock(&adapter->mcc_lock);
4851 
4852 	wrb = wrb_from_mccq(adapter);
4853 	if (!wrb) {
4854 		status = -EBUSY;
4855 		goto err;
4856 	}
4857 
4858 	req = embedded_payload(wrb);
4859 
4860 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
4861 			       OPCODE_COMMON_ENABLE_DISABLE_VF, sizeof(*req),
4862 			       wrb, NULL);
4863 
4864 	req->hdr.domain = domain;
4865 	req->enable = 1;
4866 	status = be_mcc_notify_wait(adapter);
4867 err:
4868 	mutex_unlock(&adapter->mcc_lock);
4869 	return status;
4870 }
4871 
4872 int be_cmd_intr_set(struct be_adapter *adapter, bool intr_enable)
4873 {
4874 	struct be_mcc_wrb *wrb;
4875 	struct be_cmd_req_intr_set *req;
4876 	int status;
4877 
4878 	if (mutex_lock_interruptible(&adapter->mbox_lock))
4879 		return -1;
4880 
4881 	wrb = wrb_from_mbox(adapter);
4882 
4883 	req = embedded_payload(wrb);
4884 
4885 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
4886 			       OPCODE_COMMON_SET_INTERRUPT_ENABLE, sizeof(*req),
4887 			       wrb, NULL);
4888 
4889 	req->intr_enabled = intr_enable;
4890 
4891 	status = be_mbox_notify_wait(adapter);
4892 
4893 	mutex_unlock(&adapter->mbox_lock);
4894 	return status;
4895 }
4896 
4897 /* Uses MBOX */
4898 int be_cmd_get_active_profile(struct be_adapter *adapter, u16 *profile_id)
4899 {
4900 	struct be_cmd_req_get_active_profile *req;
4901 	struct be_mcc_wrb *wrb;
4902 	int status;
4903 
4904 	if (mutex_lock_interruptible(&adapter->mbox_lock))
4905 		return -1;
4906 
4907 	wrb = wrb_from_mbox(adapter);
4908 	if (!wrb) {
4909 		status = -EBUSY;
4910 		goto err;
4911 	}
4912 
4913 	req = embedded_payload(wrb);
4914 
4915 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
4916 			       OPCODE_COMMON_GET_ACTIVE_PROFILE, sizeof(*req),
4917 			       wrb, NULL);
4918 
4919 	status = be_mbox_notify_wait(adapter);
4920 	if (!status) {
4921 		struct be_cmd_resp_get_active_profile *resp =
4922 							embedded_payload(wrb);
4923 
4924 		*profile_id = le16_to_cpu(resp->active_profile_id);
4925 	}
4926 
4927 err:
4928 	mutex_unlock(&adapter->mbox_lock);
4929 	return status;
4930 }
4931 
4932 static int
4933 __be_cmd_set_logical_link_config(struct be_adapter *adapter,
4934 				 int link_state, int version, u8 domain)
4935 {
4936 	struct be_cmd_req_set_ll_link *req;
4937 	struct be_mcc_wrb *wrb;
4938 	u32 link_config = 0;
4939 	int status;
4940 
4941 	mutex_lock(&adapter->mcc_lock);
4942 
4943 	wrb = wrb_from_mccq(adapter);
4944 	if (!wrb) {
4945 		status = -EBUSY;
4946 		goto err;
4947 	}
4948 
4949 	req = embedded_payload(wrb);
4950 
4951 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
4952 			       OPCODE_COMMON_SET_LOGICAL_LINK_CONFIG,
4953 			       sizeof(*req), wrb, NULL);
4954 
4955 	req->hdr.version = version;
4956 	req->hdr.domain = domain;
4957 
4958 	if (link_state == IFLA_VF_LINK_STATE_ENABLE ||
4959 	    link_state == IFLA_VF_LINK_STATE_AUTO)
4960 		link_config |= PLINK_ENABLE;
4961 
4962 	if (link_state == IFLA_VF_LINK_STATE_AUTO)
4963 		link_config |= PLINK_TRACK;
4964 
4965 	req->link_config = cpu_to_le32(link_config);
4966 
4967 	status = be_mcc_notify_wait(adapter);
4968 err:
4969 	mutex_unlock(&adapter->mcc_lock);
4970 	return status;
4971 }
4972 
4973 int be_cmd_set_logical_link_config(struct be_adapter *adapter,
4974 				   int link_state, u8 domain)
4975 {
4976 	int status;
4977 
4978 	if (BE2_chip(adapter))
4979 		return -EOPNOTSUPP;
4980 
4981 	status = __be_cmd_set_logical_link_config(adapter, link_state,
4982 						  2, domain);
4983 
4984 	/* Version 2 of the command will not be recognized by older FW.
4985 	 * On such a failure issue version 1 of the command.
4986 	 */
4987 	if (base_status(status) == MCC_STATUS_ILLEGAL_REQUEST)
4988 		status = __be_cmd_set_logical_link_config(adapter, link_state,
4989 							  1, domain);
4990 	return status;
4991 }
4992 
4993 int be_cmd_set_features(struct be_adapter *adapter)
4994 {
4995 	struct be_cmd_resp_set_features *resp;
4996 	struct be_cmd_req_set_features *req;
4997 	struct be_mcc_wrb *wrb;
4998 	int status;
4999 
5000 	if (mutex_lock_interruptible(&adapter->mcc_lock))
5001 		return -1;
5002 
5003 	wrb = wrb_from_mccq(adapter);
5004 	if (!wrb) {
5005 		status = -EBUSY;
5006 		goto err;
5007 	}
5008 
5009 	req = embedded_payload(wrb);
5010 
5011 	be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
5012 			       OPCODE_COMMON_SET_FEATURES,
5013 			       sizeof(*req), wrb, NULL);
5014 
5015 	req->features = cpu_to_le32(BE_FEATURE_UE_RECOVERY);
5016 	req->parameter_len = cpu_to_le32(sizeof(struct be_req_ue_recovery));
5017 	req->parameter.req.uer = cpu_to_le32(BE_UE_RECOVERY_UER_MASK);
5018 
5019 	status = be_mcc_notify_wait(adapter);
5020 	if (status)
5021 		goto err;
5022 
5023 	resp = embedded_payload(wrb);
5024 
5025 	adapter->error_recovery.ue_to_poll_time =
5026 		le16_to_cpu(resp->parameter.resp.ue2rp);
5027 	adapter->error_recovery.ue_to_reset_time =
5028 		le16_to_cpu(resp->parameter.resp.ue2sr);
5029 	adapter->error_recovery.recovery_supported = true;
5030 err:
5031 	/* Checking "MCC_STATUS_INVALID_LENGTH" for SKH as FW
5032 	 * returns this error in older firmware versions
5033 	 */
5034 	if (base_status(status) == MCC_STATUS_ILLEGAL_REQUEST ||
5035 	    base_status(status) == MCC_STATUS_INVALID_LENGTH)
5036 		dev_info(&adapter->pdev->dev,
5037 			 "Adapter does not support HW error recovery\n");
5038 
5039 	mutex_unlock(&adapter->mcc_lock);
5040 	return status;
5041 }
5042 
5043 int be_roce_mcc_cmd(void *netdev_handle, void *wrb_payload,
5044 		    int wrb_payload_size, u16 *cmd_status, u16 *ext_status)
5045 {
5046 	struct be_adapter *adapter = netdev_priv(netdev_handle);
5047 	struct be_mcc_wrb *wrb;
5048 	struct be_cmd_req_hdr *hdr = (struct be_cmd_req_hdr *)wrb_payload;
5049 	struct be_cmd_req_hdr *req;
5050 	struct be_cmd_resp_hdr *resp;
5051 	int status;
5052 
5053 	mutex_lock(&adapter->mcc_lock);
5054 
5055 	wrb = wrb_from_mccq(adapter);
5056 	if (!wrb) {
5057 		status = -EBUSY;
5058 		goto err;
5059 	}
5060 	req = embedded_payload(wrb);
5061 	resp = embedded_payload(wrb);
5062 
5063 	be_wrb_cmd_hdr_prepare(req, hdr->subsystem,
5064 			       hdr->opcode, wrb_payload_size, wrb, NULL);
5065 	memcpy(req, wrb_payload, wrb_payload_size);
5066 	be_dws_cpu_to_le(req, wrb_payload_size);
5067 
5068 	status = be_mcc_notify_wait(adapter);
5069 	if (cmd_status)
5070 		*cmd_status = (status & 0xffff);
5071 	if (ext_status)
5072 		*ext_status = 0;
5073 	memcpy(wrb_payload, resp, sizeof(*resp) + resp->response_length);
5074 	be_dws_le_to_cpu(wrb_payload, sizeof(*resp) + resp->response_length);
5075 err:
5076 	mutex_unlock(&adapter->mcc_lock);
5077 	return status;
5078 }
5079 EXPORT_SYMBOL(be_roce_mcc_cmd);
5080